Mercurial > dwindows
view win/dw.c @ 377:d8176c73a081
Fixes for drawing of the combobox on OS/2. It now queries the entryfield
size when calculating the area to fill. Also, it checks the color set
by the user on the parent box to use the correct fill color.
author | bsmith@81767d24-ef19-dc11-ae90-00e081727c95 |
---|---|
date | Sun, 27 Apr 2003 23:00:35 +0000 |
parents | e856f80e0520 |
children | 6b573770f446 |
line wrap: on
line source
/* /* * Dynamic Windows: * A GTK like implementation of the Win32 GUI * * (C) 2000-2003 Brian Smith <dbsoft@technologist.com> * (C) 2003 Mark Hessling <m.hessling@qut.edu.au> * */ #define _WIN32_IE 0x0500 #define WINVER 0x400 #include <windows.h> #include <windowsx.h> #include <commctrl.h> #include <shlwapi.h> #include <stdlib.h> #include <string.h> #include <stdio.h> #include <process.h> #include <time.h> #include "dw.h" HWND popup = (HWND)NULL, hwndBubble = (HWND)NULL, hwndBubbleLast, DW_HWND_OBJECT = (HWND)NULL; HINSTANCE DWInstance = NULL; DWORD dwVersion = 0, dwComctlVer = 0; DWTID _dwtid = -1; #define PACKVERSION(major,minor) MAKELONG(minor,major) #define IS_IE5PLUS (dwComctlVer >= PACKVERSION(5,80)) #ifndef MIN #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #endif int main(int argc, char *argv[]); #define ICON_INDEX_LIMIT 200 HICON lookup[200]; HIMAGELIST hSmall = 0, hLarge = 0; /* Special flag used for internal tracking */ #define DW_CFA_RESERVED (1 << 30) #define THREAD_LIMIT 128 COLORREF _foreground[THREAD_LIMIT]; COLORREF _background[THREAD_LIMIT]; HPEN _hPen[THREAD_LIMIT]; HBRUSH _hBrush[THREAD_LIMIT]; BYTE _red[] = { 0x00, 0xbb, 0x00, 0xaa, 0x00, 0xbb, 0x00, 0xaa, 0x77, 0xff, 0x00, 0xee, 0x00, 0xff, 0x00, 0xff, 0xaa, 0x00 }; BYTE _green[] = { 0x00, 0x00, 0xbb, 0xaa, 0x00, 0x00, 0xbb, 0xaa, 0x77, 0x00, 0xff, 0xee, 0x00, 0x00, 0xee, 0xff, 0xaa, 0x00 }; BYTE _blue[] = { 0x00, 0x00, 0x00, 0x00, 0xcc, 0xbb, 0xbb, 0xaa, 0x77, 0x00, 0x00, 0x00, 0xff, 0xff, 0xee, 0xff, 0xaa, 0x00}; HBRUSH _colors[18]; void _resize_notebook_page(HWND handle, int pageid); void _handle_splitbar_resize(HWND hwnd, float percent, int type, int x, int y); int _lookup_icon(HWND handle, HICON hicon, int type); HFONT _acquire_font(HWND handle, char *fontname); typedef struct _sighandler { struct _sighandler *next; ULONG message; HWND window; int id; void *signalfunction; void *data; } SignalHandler; SignalHandler *Root = NULL; int _index; typedef struct { ULONG message; char name[30]; } SignalList; static int in_checkbox_handler = 0; /* List of signals and their equivilent Win32 message */ #define SIGNALMAX 15 SignalList SignalTranslate[SIGNALMAX] = { { WM_SIZE, DW_SIGNAL_CONFIGURE }, { WM_CHAR, DW_SIGNAL_KEY_PRESS }, { WM_LBUTTONDOWN, DW_SIGNAL_BUTTON_PRESS }, { WM_LBUTTONUP, DW_SIGNAL_BUTTON_PRESS }, { WM_MOUSEMOVE, DW_SIGNAL_MOTION_NOTIFY }, { WM_CLOSE, DW_SIGNAL_DELETE }, { WM_PAINT, DW_SIGNAL_EXPOSE }, { WM_COMMAND, DW_SIGNAL_CLICKED }, { NM_DBLCLK, DW_SIGNAL_ITEM_ENTER }, { NM_RCLICK, DW_SIGNAL_ITEM_CONTEXT }, { LBN_SELCHANGE, DW_SIGNAL_LIST_SELECT }, { TVN_SELCHANGED, DW_SIGNAL_ITEM_SELECT }, { WM_SETFOCUS, DW_SIGNAL_SET_FOCUS }, { WM_VSCROLL, DW_SIGNAL_VALUE_CHANGED }, { TCN_SELCHANGE, DW_SIGNAL_SWITCH_PAGE } }; #ifdef BUILD_DLL void Win32_Set_Instance(HINSTANCE hInstance) { DWInstance = hInstance; } #else char **_convertargs(int *count, char *start) { char *tmp, *argstart, **argv; int loc = 0, inquotes = 0; (*count) = 1; tmp = start; /* Count the number of entries */ if(*start) { (*count)++; while(*tmp) { if(*tmp == '"' && inquotes) inquotes = 0; else if(*tmp == '"' && !inquotes) inquotes = 1; else if(*tmp == ' ' && !inquotes) { /* Push past any white space */ while(*(tmp+1) == ' ') tmp++; /* If we aren't at the end of the command * line increment the count. */ if(*(tmp+1)) (*count)++; } tmp++; } } argv = (char **)malloc(sizeof(char *) * ((*count)+1)); argv[0] = malloc(260); GetModuleFileName(DWInstance, argv[0], 260); argstart = tmp = start; if(*start) { loc = 1; while(*tmp) { if(*tmp == '"' && inquotes) { *tmp = 0; inquotes = 0; } else if(*tmp == '"' && !inquotes) { argstart = tmp+1; inquotes = 1; } else if(*tmp == ' ' && !inquotes) { *tmp = 0; argv[loc] = strdup(argstart); /* Push past any white space */ while(*(tmp+1) == ' ') tmp++; /* Move the start pointer */ argstart = tmp+1; /* If we aren't at the end of the command * line increment the count. */ if(*(tmp+1)) loc++; } tmp++; } if(*argstart) argv[loc] = strdup(argstart); } argv[loc+1] = NULL; return argv; } /* Ok this is a really big hack but what the hell ;) */ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { char **argv; int argc; DWInstance = hInstance; argv = _convertargs(&argc, lpCmdLine); return main(argc, argv); } #endif /* This should return true for WinNT/2K/XP and false on Win9x */ int IsWinNT(void) { static int isnt = -1; if(isnt == -1) { if (GetVersion() < 0x80000000) isnt = 1; else isnt = 0; } return isnt; } DWORD GetDllVersion(LPCTSTR lpszDllName) { HINSTANCE hinstDll; DWORD dwVersion = 0; hinstDll = LoadLibrary(lpszDllName); if(hinstDll) { DLLGETVERSIONPROC pDllGetVersion; pDllGetVersion = (DLLGETVERSIONPROC) GetProcAddress(hinstDll, "DllGetVersion"); /* Because some DLLs might not implement this function, you * must test for it explicitly. Depending on the particular * DLL, the lack of a DllGetVersion function can be a useful * indicator of the version. */ if(pDllGetVersion) { DLLVERSIONINFO dvi; HRESULT hr; ZeroMemory(&dvi, sizeof(dvi)); dvi.cbSize = sizeof(dvi); hr = (*pDllGetVersion)(&dvi); if(SUCCEEDED(hr)) { dwVersion = PACKVERSION(dvi.dwMajorVersion, dvi.dwMinorVersion); } } FreeLibrary(hinstDll); } return dwVersion; } /* This function adds a signal handler callback into the linked list. */ void _new_signal(ULONG message, HWND window, int id, void *signalfunction, void *data) { SignalHandler *new = malloc(sizeof(SignalHandler)); if(message == WM_COMMAND) dw_signal_disconnect_by_window(window); new->message = message; new->window = window; new->id = id; new->signalfunction = signalfunction; new->data = data; new->next = NULL; if (!Root) Root = new; else { SignalHandler *prev = NULL, *tmp = Root; while(tmp) { if(tmp->message == message && tmp->window == window && tmp->signalfunction == signalfunction) { tmp->data = data; free(new); return; } prev = tmp; tmp = tmp->next; } if(prev) prev->next = new; else Root = new; } } /* Finds the message number for a given signal name */ ULONG _findsigmessage(char *signame) { int z; for(z=0;z<SIGNALMAX;z++) { if(stricmp(signame, SignalTranslate[z].name) == 0) return SignalTranslate[z].message; } return 0L; } /* This function removes and handlers on windows and frees * the user memory allocated to it. */ BOOL CALLBACK _free_window_memory(HWND handle, LPARAM lParam) { ColorInfo *thiscinfo = (ColorInfo *)GetWindowLong(handle, GWL_USERDATA); HFONT oldfont = (HFONT)SendMessage(handle, WM_GETFONT, 0, 0); HICON oldicon = (HICON)SendMessage(handle, WM_GETICON, 0, 0); char tmpbuf[100]; /* Delete font, icon and bitmap GDI objects in use */ if(oldfont) DeleteObject(oldfont); if(oldicon) DeleteObject(oldicon); GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, STATICCLASSNAME, strlen(STATICCLASSNAME)+1)==0) { HBITMAP oldbitmap = (HBITMAP)SendMessage(handle, STM_GETIMAGE, IMAGE_BITMAP, 0); if(oldbitmap) DeleteObject(oldbitmap); } if(strnicmp(tmpbuf, BUTTONCLASSNAME, strlen(BUTTONCLASSNAME)+1)==0) { HBITMAP oldbitmap = (HBITMAP)SendMessage(handle, BM_GETIMAGE, IMAGE_BITMAP, 0); if(oldbitmap) DeleteObject(oldbitmap); } else if(strnicmp(tmpbuf, FRAMECLASSNAME, strlen(FRAMECLASSNAME)+1)==0) { Box *box = (Box *)thiscinfo; if(box->count && box->items) free(box->items); } else if(strnicmp(tmpbuf, SplitbarClassName, strlen(SplitbarClassName)+1)==0) { void *data = dw_window_get_data(handle, "_dw_percent"); if(data) free(data); } else if(strnicmp(tmpbuf, WC_TREEVIEW, strlen(WC_TREEVIEW)+1)==0) { dw_tree_clear(handle); } else if(strnicmp(tmpbuf, WC_TABCONTROL, strlen(WC_TABCONTROL)+1)==0) /* Notebook */ { NotebookPage **array = (NotebookPage **)dw_window_get_data(handle, "_dw_array"); if(array) { int z, refid = -1; for(z=0;z<256;z++) { if(array[z]) { _free_window_memory(array[z]->hwnd, 0); EnumChildWindows(array[z]->hwnd, _free_window_memory, 0); DestroyWindow(array[z]->hwnd); free(array[z]); } } free(array); } } dw_signal_disconnect_by_window(handle); if(thiscinfo) { SubclassWindow(handle, thiscinfo->pOldProc); /* Delete the brush so as not to leak GDI objects */ if(thiscinfo->hbrush) DeleteObject(thiscinfo->hbrush); /* Free user data linked list memory */ if(thiscinfo->root) dw_window_set_data(handle, NULL, NULL); SetWindowLong(handle, GWL_USERDATA, 0); free(thiscinfo); } return TRUE; } /* Convert to our internal color scheme */ ULONG _internal_color(ULONG color) { if(color == DW_CLR_DEFAULT) return DW_RGB_TRANSPARENT; if(color < 18) return DW_RGB(_red[color], _green[color], _blue[color]); return color; } /* This function returns 1 if the window (widget) handle * passed to it is a valid window that can gain input focus. */ int _validate_focus(HWND handle) { char tmpbuf[100]; if(!handle) return 0; if(!IsWindowEnabled(handle)) return 0; GetClassName(handle, tmpbuf, 99); /* These are the window classes which can * obtain input focus. */ if(strnicmp(tmpbuf, EDITCLASSNAME, strlen(EDITCLASSNAME)+1)==0 || /* Entryfield */ strnicmp(tmpbuf, BUTTONCLASSNAME, strlen(BUTTONCLASSNAME)+1)==0 || /* Button */ strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1)==0 || /* Combobox */ strnicmp(tmpbuf, LISTBOXCLASSNAME, strlen(LISTBOXCLASSNAME)+1)==0 || /* List box */ strnicmp(tmpbuf, UPDOWN_CLASS, strlen(UPDOWN_CLASS)+1)==0 || /* Spinbutton */ strnicmp(tmpbuf, TRACKBAR_CLASS, strlen(TRACKBAR_CLASS)+1)==0 || /* Slider */ strnicmp(tmpbuf, WC_LISTVIEW, strlen(WC_LISTVIEW)+1)== 0 || /* Container */ strnicmp(tmpbuf, WC_TREEVIEW, strlen(WC_TREEVIEW)+1)== 0) /* Tree */ return 1; return 0; } HWND _normalize_handle(HWND handle) { char tmpbuf[100] = ""; GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, UPDOWN_CLASS, strlen(UPDOWN_CLASS))==0) /* Spinner */ { ColorInfo *cinfo = (ColorInfo *)GetWindowLong(handle, GWL_USERDATA); if(cinfo && cinfo->buddy) return cinfo->buddy; } if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME))==0) /* Combobox */ { ColorInfo *cinfo = (ColorInfo *)GetWindowLong(handle, GWL_USERDATA); if(cinfo && cinfo->buddy) return cinfo->buddy; } return handle; } int _focus_check_box(Box *box, HWND handle, int start, HWND defaultitem) { int z; static HWND lasthwnd, firsthwnd; static int finish_searching; /* Start is 2 when we have cycled completely and * need to set the focus to the last widget we found * that was valid. */ if(start == 2) { if(lasthwnd) SetFocus(lasthwnd); return 0; } /* Start is 1 when we are entering the function * for the first time, it is zero when entering * the function recursively. */ if(start == 1) { lasthwnd = handle; finish_searching = 0; firsthwnd = 0; } for(z=box->count-1;z>-1;z--) { if(box->items[z].type == TYPEBOX) { Box *thisbox = (Box *)GetWindowLong(box->items[z].hwnd, GWL_USERDATA); if(thisbox && _focus_check_box(thisbox, handle, start == 3 ? 3 : 0, defaultitem)) return 1; } else { if(box->items[z].hwnd == handle) { if(lasthwnd == handle && firsthwnd) SetFocus(firsthwnd); else if(lasthwnd == handle && !firsthwnd) finish_searching = 1; else SetFocus(lasthwnd); /* If we aren't looking for the last handle, * return immediately. */ if(!finish_searching) return 1; } if(_validate_focus(box->items[z].hwnd)) { /* Start is 3 when we are looking for the * first valid item in the layout. */ if(start == 3) { if(!defaultitem || (defaultitem && box->items[z].hwnd == defaultitem)) { SetFocus(_normalize_handle(box->items[z].hwnd)); return 1; } } if(!firsthwnd) firsthwnd = _normalize_handle(box->items[z].hwnd); lasthwnd = _normalize_handle(box->items[z].hwnd); } else { char tmpbuf[100] = ""; GetClassName(box->items[z].hwnd, tmpbuf, 99); if(strncmp(tmpbuf, SplitbarClassName, strlen(SplitbarClassName)+1)==0) { /* Then try the bottom or right box */ HWND mybox = (HWND)dw_window_get_data(box->items[z].hwnd, "_dw_bottomright"); if(mybox) { Box *splitbox = (Box *)GetWindowLong(mybox, GWL_USERDATA); if(splitbox && _focus_check_box(splitbox, handle, start == 3 ? 3 : 0, defaultitem)) return 1; } /* Try the top or left box */ mybox = (HWND)dw_window_get_data(box->items[z].hwnd, "_dw_topleft"); if(mybox) { Box *splitbox = (Box *)GetWindowLong(mybox, GWL_USERDATA); if(splitbox && _focus_check_box(splitbox, handle, start == 3 ? 3 : 0, defaultitem)) return 1; } } else if(strnicmp(tmpbuf, WC_TABCONTROL, strlen(WC_TABCONTROL))==0) /* Notebook */ { NotebookPage **array = (NotebookPage **)dw_window_get_data(box->items[z].hwnd, "_dw_array"); int pageid = TabCtrl_GetCurSel(box->items[z].hwnd); if(pageid > -1 && array && array[pageid]) { Box *notebox; if(array[pageid]->hwnd) { notebox = (Box *)GetWindowLong(array[pageid]->hwnd, GWL_USERDATA); if(notebox && _focus_check_box(notebox, handle, start == 3 ? 3 : 0, defaultitem)) return 1; } } } } } } return 0; } int _focus_check_box_back(Box *box, HWND handle, int start, HWND defaultitem) { int z; static HWND lasthwnd, firsthwnd; static int finish_searching; /* Start is 2 when we have cycled completely and * need to set the focus to the last widget we found * that was valid. */ if(start == 2) { if(lasthwnd) SetFocus(lasthwnd); return 0; } /* Start is 1 when we are entering the function * for the first time, it is zero when entering * the function recursively. */ if(start == 1) { lasthwnd = handle; finish_searching = 0; firsthwnd = 0; } for(z=0;z<box->count;z++) { if(box->items[z].type == TYPEBOX) { Box *thisbox = (Box *)GetWindowLong(box->items[z].hwnd, GWL_USERDATA); if(thisbox && _focus_check_box_back(thisbox, handle, start == 3 ? 3 : 0, defaultitem)) return 1; } else { if(box->items[z].hwnd == handle) { if(lasthwnd == handle && firsthwnd) SetFocus(firsthwnd); else if(lasthwnd == handle && !firsthwnd) finish_searching = 1; else SetFocus(lasthwnd); /* If we aren't looking for the last handle, * return immediately. */ if(!finish_searching) return 1; } if(_validate_focus(box->items[z].hwnd)) { /* Start is 3 when we are looking for the * first valid item in the layout. */ if(start == 3) { if(!defaultitem || (defaultitem && box->items[z].hwnd == defaultitem)) { SetFocus(_normalize_handle(box->items[z].hwnd)); return 1; } } if(!firsthwnd) firsthwnd = _normalize_handle(box->items[z].hwnd); lasthwnd = _normalize_handle(box->items[z].hwnd); } else { char tmpbuf[100] = ""; GetClassName(box->items[z].hwnd, tmpbuf, 99); if(strncmp(tmpbuf, SplitbarClassName, strlen(SplitbarClassName)+1)==0) { /* Try the top or left box */ HWND mybox = (HWND)dw_window_get_data(box->items[z].hwnd, "_dw_topleft"); if(mybox) { Box *splitbox = (Box *)GetWindowLong(mybox, GWL_USERDATA); if(splitbox && _focus_check_box_back(splitbox, handle, start == 3 ? 3 : 0, defaultitem)) return 1; } /* Then try the bottom or right box */ mybox = (HWND)dw_window_get_data(box->items[z].hwnd, "_dw_bottomright"); if(mybox) { Box *splitbox = (Box *)GetWindowLong(mybox, GWL_USERDATA); if(splitbox && _focus_check_box_back(splitbox, handle, start == 3 ? 3 : 0, defaultitem)) return 1; } } else if(strnicmp(tmpbuf, WC_TABCONTROL, strlen(WC_TABCONTROL))==0) /* Notebook */ { NotebookPage **array = (NotebookPage **)dw_window_get_data(box->items[z].hwnd, "_dw_array"); int pageid = TabCtrl_GetCurSel(box->items[z].hwnd); if(pageid > -1 && array && array[pageid]) { Box *notebox; if(array[pageid]->hwnd) { notebox = (Box *)GetWindowLong(array[pageid]->hwnd, GWL_USERDATA); if(notebox && _focus_check_box_back(notebox, handle, start == 3 ? 3 : 0, defaultitem)) return 1; } } } } } } return 0; } /* This function finds the first widget in the * layout and moves the current focus to it. */ void _initial_focus(HWND handle) { Box *thisbox; char tmpbuf[100]; if(!handle) return; GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, ClassName, strlen(ClassName))!=0) return; if(handle) thisbox = (Box *)GetWindowLong(handle, GWL_USERDATA); if(thisbox) { _focus_check_box(thisbox, handle, 3, thisbox->defaultitem); } } HWND _toplevel_window(HWND handle) { HWND box, lastbox = GetParent(handle); /* Find the toplevel window */ while((box = GetParent(lastbox))) { lastbox = box; } if(lastbox) return lastbox; return handle; } /* This function finds the current widget in the * layout and moves the current focus to the next item. */ void _shift_focus(HWND handle) { Box *thisbox; HWND box, lastbox = GetParent(handle); /* Find the toplevel window */ while((box = GetParent(lastbox))) { lastbox = box; } thisbox = (Box *)GetWindowLong(lastbox, GWL_USERDATA); if(thisbox) { if(_focus_check_box(thisbox, handle, 1, 0) == 0) _focus_check_box(thisbox, handle, 2, 0); } } /* This function finds the current widget in the * layout and moves the current focus to the next item. */ void _shift_focus_back(HWND handle) { Box *thisbox; HWND box, lastbox = GetParent(handle); /* Find the toplevel window */ while((box = GetParent(lastbox))) { lastbox = box; } thisbox = (Box *)GetWindowLong(lastbox, GWL_USERDATA); if(thisbox) { if(_focus_check_box_back(thisbox, handle, 1, 0) == 0) _focus_check_box_back(thisbox, handle, 2, 0); } } /* ResetWindow: * Resizes window to the exact same size to trigger * recalculation of frame. */ void _ResetWindow(HWND hwndFrame) { RECT rcl; GetWindowRect(hwndFrame, &rcl); SetWindowPos(hwndFrame, HWND_TOP, 0, 0, rcl.right - rcl.left, rcl.bottom - rcl.top - 1, SWP_NOMOVE | SWP_NOZORDER); SetWindowPos(hwndFrame, HWND_TOP, 0, 0, rcl.right - rcl.left, rcl.bottom - rcl.top, SWP_NOMOVE | SWP_NOZORDER); } /* This function calculates how much space the widgets and boxes require * and does expansion as necessary. */ int _resize_box(Box *thisbox, int *depth, int x, int y, int *usedx, int *usedy, int pass, int *usedpadx, int *usedpady) { int z, currentx = 0, currenty = 0; int uymax = 0, uxmax = 0; int upymax = 0, upxmax = 0; /* Used for the SIZEEXPAND */ int nux = *usedx, nuy = *usedy; int nupx = *usedpadx, nupy = *usedpady; (*usedx) += (thisbox->pad * 2); (*usedy) += (thisbox->pad * 2); for(z=0;z<thisbox->count;z++) { if(thisbox->items[z].type == TYPEBOX) { int initialx, initialy; Box *tmp = (Box *)GetWindowLong(thisbox->items[z].hwnd, GWL_USERDATA); initialx = x - (*usedx); initialy = y - (*usedy); if(tmp) { int newx, newy; int nux = *usedx, nuy = *usedy; int upx = *usedpadx + (tmp->pad*2), upy = *usedpady + (tmp->pad*2); /* On the second pass we know how big the box needs to be and how * much space we have, so we can calculate a ratio for the new box. */ if(pass == 2) { int deep = *depth + 1; _resize_box(tmp, &deep, x, y, &nux, &nuy, 1, &upx, &upy); tmp->upx = upx - *usedpadx; tmp->upy = upy - *usedpady; newx = x - nux; newy = y - nuy; tmp->width = thisbox->items[z].width = initialx - newx; tmp->height = thisbox->items[z].height = initialy - newy; tmp->parentxratio = thisbox->xratio; tmp->parentyratio = thisbox->yratio; tmp->parentpad = tmp->pad; /* Just in case */ tmp->xratio = thisbox->xratio; tmp->yratio = thisbox->yratio; if(thisbox->type == DW_VERT) { if((thisbox->items[z].width-((thisbox->items[z].pad*2)+(tmp->pad*2)))!=0) tmp->xratio = ((float)((thisbox->items[z].width * thisbox->xratio)-((thisbox->items[z].pad*2)+(tmp->pad*2))))/((float)(thisbox->items[z].width-((thisbox->items[z].pad*2)+(tmp->pad*2)))); } else { if((thisbox->items[z].width-tmp->upx)!=0) tmp->xratio = ((float)((thisbox->items[z].width * thisbox->xratio)-tmp->upx))/((float)(thisbox->items[z].width-tmp->upx)); } if(thisbox->type == DW_HORZ) { if((thisbox->items[z].height-((thisbox->items[z].pad*2)+(tmp->pad*2)))!=0) tmp->yratio = ((float)((thisbox->items[z].height * thisbox->yratio)-((thisbox->items[z].pad*2)+(tmp->pad*2))))/((float)(thisbox->items[z].height-((thisbox->items[z].pad*2)+(tmp->pad*2)))); } else { if((thisbox->items[z].height-tmp->upy)!=0) tmp->yratio = ((float)((thisbox->items[z].height * thisbox->yratio)-tmp->upy))/((float)(thisbox->items[z].height-tmp->upy)); } nux = *usedx; nuy = *usedy; upx = *usedpadx + (tmp->pad*2); upy = *usedpady + (tmp->pad*2); } (*depth)++; _resize_box(tmp, depth, x, y, &nux, &nuy, pass, &upx, &upy); (*depth)--; newx = x - nux; newy = y - nuy; tmp->minwidth = thisbox->items[z].width = initialx - newx; tmp->minheight = thisbox->items[z].height = initialy - newy; } } if(pass > 1 && *depth > 0) { if(thisbox->type == DW_VERT) { if((thisbox->minwidth-((thisbox->items[z].pad*2)+(thisbox->parentpad*2))) == 0) thisbox->items[z].xratio = 1.0; else thisbox->items[z].xratio = ((float)((thisbox->width * thisbox->parentxratio)-((thisbox->items[z].pad*2)+(thisbox->parentpad*2))))/((float)(thisbox->minwidth-((thisbox->items[z].pad*2)+(thisbox->parentpad*2)))); } else { if(thisbox->minwidth-thisbox->upx == 0) thisbox->items[z].xratio = 1.0; else thisbox->items[z].xratio = ((float)((thisbox->width * thisbox->parentxratio)-thisbox->upx))/((float)(thisbox->minwidth-thisbox->upx)); } if(thisbox->type == DW_HORZ) { if((thisbox->minheight-((thisbox->items[z].pad*2)+(thisbox->parentpad*2))) == 0) thisbox->items[z].yratio = 1.0; else thisbox->items[z].yratio = ((float)((thisbox->height * thisbox->parentyratio)-((thisbox->items[z].pad*2)+(thisbox->parentpad*2))))/((float)(thisbox->minheight-((thisbox->items[z].pad*2)+(thisbox->parentpad*2)))); } else { if(thisbox->minheight-thisbox->upy == 0) thisbox->items[z].yratio = 1.0; else thisbox->items[z].yratio = ((float)((thisbox->height * thisbox->parentyratio)-thisbox->upy))/((float)(thisbox->minheight-thisbox->upy)); } if(thisbox->items[z].type == TYPEBOX) { Box *tmp = (Box *)GetWindowLong(thisbox->items[z].hwnd, GWL_USERDATA); if(tmp) { tmp->parentxratio = thisbox->items[z].xratio; tmp->parentyratio = thisbox->items[z].yratio; } } } else { thisbox->items[z].xratio = thisbox->xratio; thisbox->items[z].yratio = thisbox->yratio; } if(thisbox->type == DW_VERT) { if((thisbox->items[z].width + (thisbox->items[z].pad*2)) > uxmax) uxmax = (thisbox->items[z].width + (thisbox->items[z].pad*2)); if(thisbox->items[z].hsize != SIZEEXPAND) { if(((thisbox->items[z].pad*2) + thisbox->items[z].width) > upxmax) upxmax = (thisbox->items[z].pad*2) + thisbox->items[z].width; } else { if(thisbox->items[z].pad*2 > upxmax) upxmax = thisbox->items[z].pad*2; } } else { if(thisbox->items[z].width == -1) { /* figure out how much space this item requires */ /* thisbox->items[z].width = */ } else { (*usedx) += thisbox->items[z].width + (thisbox->items[z].pad*2); if(thisbox->items[z].hsize != SIZEEXPAND) (*usedpadx) += (thisbox->items[z].pad*2) + thisbox->items[z].width; else (*usedpadx) += thisbox->items[z].pad*2; } } if(thisbox->type == DW_HORZ) { if((thisbox->items[z].height + (thisbox->items[z].pad*2)) > uymax) uymax = (thisbox->items[z].height + (thisbox->items[z].pad*2)); if(thisbox->items[z].vsize != SIZEEXPAND) { if(((thisbox->items[z].pad*2) + thisbox->items[z].height) > upymax) upymax = (thisbox->items[z].pad*2) + thisbox->items[z].height; } else { if(thisbox->items[z].pad*2 > upymax) upymax = thisbox->items[z].pad*2; } } else { if(thisbox->items[z].height == -1) { /* figure out how much space this item requires */ /* thisbox->items[z].height = */ } else { (*usedy) += thisbox->items[z].height + (thisbox->items[z].pad*2); if(thisbox->items[z].vsize != SIZEEXPAND) (*usedpady) += (thisbox->items[z].pad*2) + thisbox->items[z].height; else (*usedpady) += thisbox->items[z].pad*2; } } } (*usedx) += uxmax; (*usedy) += uymax; (*usedpadx) += upxmax; (*usedpady) += upymax; currentx += thisbox->pad; currenty += thisbox->pad; /* The second pass is for expansion and actual placement. */ if(pass > 1) { /* Any SIZEEXPAND items should be set to uxmax/uymax */ for(z=0;z<thisbox->count;z++) { if(thisbox->items[z].hsize == SIZEEXPAND && thisbox->type == DW_VERT) thisbox->items[z].width = uxmax-(thisbox->items[z].pad*2); if(thisbox->items[z].vsize == SIZEEXPAND && thisbox->type == DW_HORZ) thisbox->items[z].height = uymax-(thisbox->items[z].pad*2); /* Run this code segment again to finalize the sized after setting uxmax/uymax values. */ if(thisbox->items[z].type == TYPEBOX) { Box *tmp = (Box *)GetWindowLong(thisbox->items[z].hwnd, GWL_USERDATA); if(tmp) { if(*depth > 0) { if(thisbox->type == DW_VERT) { tmp->xratio = ((float)((thisbox->items[z].width * thisbox->xratio)-((thisbox->items[z].pad*2)+(thisbox->pad*2))))/((float)(tmp->minwidth-((thisbox->items[z].pad*2)+(thisbox->pad*2)))); tmp->width = thisbox->items[z].width; } if(thisbox->type == DW_HORZ) { tmp->yratio = ((float)((thisbox->items[z].height * thisbox->yratio)-((thisbox->items[z].pad*2)+(thisbox->pad*2))))/((float)(tmp->minheight-((thisbox->items[z].pad*2)+(thisbox->pad*2)))); tmp->height = thisbox->items[z].height; } } (*depth)++; _resize_box(tmp, depth, x, y, &nux, &nuy, 3, &nupx, &nupy); (*depth)--; } } } for(z=0;z<(thisbox->count);z++) { int height = thisbox->items[z].height; int width = thisbox->items[z].width; int pad = thisbox->items[z].pad; HWND handle = thisbox->items[z].hwnd; int vectorx, vectory; /* When upxmax != pad*2 then ratios are incorrect. */ vectorx = (int)((width*thisbox->items[z].xratio)-width); vectory = (int)((height*thisbox->items[z].yratio)-height); if(width > 0 && height > 0) { char tmpbuf[100]; /* This is a hack to fix rounding of the sizing */ if(*depth == 0) { vectorx++; vectory++; } /* If this item isn't going to expand... reset the vectors to 0 */ if(thisbox->items[z].vsize != SIZEEXPAND) vectory = 0; if(thisbox->items[z].hsize != SIZEEXPAND) vectorx = 0; GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1)==0) { /* Handle special case Combobox */ MoveWindow(handle, currentx + pad, currenty + pad, width + vectorx, (height + vectory) + 400, FALSE); } else if(strnicmp(tmpbuf, UPDOWN_CLASS, strlen(UPDOWN_CLASS)+1)==0) { /* Handle special case Spinbutton */ ColorInfo *cinfo = (ColorInfo *)GetWindowLong(handle, GWL_USERDATA); MoveWindow(handle, currentx + pad + ((width + vectorx) - 20), currenty + pad, 20, height + vectory, FALSE); if(cinfo) { MoveWindow(cinfo->buddy, currentx + pad, currenty + pad, (width + vectorx) - 20, height + vectory, FALSE); } } else if(strncmp(tmpbuf, SplitbarClassName, strlen(SplitbarClassName)+1)==0) { /* Then try the bottom or right box */ float *percent = (float *)dw_window_get_data(handle, "_dw_percent"); int type = (int)dw_window_get_data(handle, "_dw_type"); int cx = width + vectorx; int cy = height + vectory; MoveWindow(handle, currentx + pad, currenty + pad, cx, cy, FALSE); if(cx > 0 && cy > 0 && percent) _handle_splitbar_resize(handle, *percent, type, cx, cy); } else if(strnicmp(tmpbuf, STATICCLASSNAME, strlen(STATICCLASSNAME)+1)==0) { /* Handle special case Vertically Center static text */ ColorInfo *cinfo = (ColorInfo *)GetWindowLong(handle, GWL_USERDATA); if(cinfo && cinfo->vcenter) { /* We are centered so calculate a new position */ char tmpbuf[1024]; int textheight, diff, total = height + vectory; GetWindowText(handle, tmpbuf, 1023); /* Figure out how big the text is */ dw_font_text_extents(handle, 0, tmpbuf, 0, &textheight); diff = (total - textheight) / 2; MoveWindow(handle, currentx + pad, currenty + pad + diff, width + vectorx, height + vectory - diff, FALSE); } else { MoveWindow(handle, currentx + pad, currenty + pad, width + vectorx, height + vectory, FALSE); } } else { /* Everything else */ MoveWindow(handle, currentx + pad, currenty + pad, width + vectorx, height + vectory, FALSE); if(thisbox->items[z].type == TYPEBOX) { Box *boxinfo = (Box *)GetWindowLong(handle, GWL_USERDATA); if(boxinfo && boxinfo->grouphwnd) MoveWindow(boxinfo->grouphwnd, 0, 0, width + vectorx, height + vectory, FALSE); } } /* Notebook dialog requires additional processing */ if(strncmp(tmpbuf, WC_TABCONTROL, strlen(WC_TABCONTROL))==0) { RECT rect; NotebookPage **array = (NotebookPage **)dw_window_get_data(handle, "_dw_array"); int pageid = TabCtrl_GetCurSel(handle); if(pageid > -1 && array && array[pageid]) { GetClientRect(handle,&rect); TabCtrl_AdjustRect(handle,FALSE,&rect); MoveWindow(array[pageid]->hwnd, rect.left, rect.top, rect.right - rect.left, rect.bottom-rect.top, FALSE); } } if(thisbox->type == DW_HORZ) currentx += width + vectorx + (pad * 2); if(thisbox->type == DW_VERT) currenty += height + vectory + (pad * 2); } } } return 0; } void _do_resize(Box *thisbox, int x, int y) { if(x != 0 && y != 0) { if(thisbox) { int usedx = 0, usedy = 0, depth = 0, usedpadx = 0, usedpady = 0; _resize_box(thisbox, &depth, x, y, &usedx, &usedy, 1, &usedpadx, &usedpady); if(usedx-usedpadx == 0 || usedy-usedpady == 0) return; thisbox->xratio = ((float)(x-usedpadx))/((float)(usedx-usedpadx)); thisbox->yratio = ((float)(y-usedpady))/((float)(usedy-usedpady)); usedpadx = usedpady = usedx = usedy = depth = 0; _resize_box(thisbox, &depth, x, y, &usedx, &usedy, 2, &usedpadx, &usedpady); } } } int _HandleScroller(HWND handle, int pos, int which) { SCROLLINFO si; si.cbSize = sizeof(SCROLLINFO); si.fMask = SIF_ALL; SendMessage(handle, SBM_GETSCROLLINFO, 0, (LPARAM)&si); switch(which) { case SB_THUMBTRACK: return pos; /*case SB_PAGEDOWN:*/ case SB_PAGELEFT: pos = si.nPos - si.nPage; if(pos < si.nMin) pos = si.nMin; return pos; /*case SB_PAGEUP:*/ case SB_PAGERIGHT: pos = si.nPos + si.nPage; if(pos > (si.nMax - si.nPage) + 1) pos = (si.nMax - si.nPage) + 1; return pos; /*case SB_LINEDOWN:*/ case SB_LINELEFT: pos = si.nPos - 1; if(pos < si.nMin) pos = si.nMin; return pos; /*case SB_LINEUP:*/ case SB_LINERIGHT: pos = si.nPos + 1; if(pos > (si.nMax - si.nPage) + 1) pos = (si.nMax - si.nPage) + 1; return pos; } return -1; } /* The main window procedure for Dynamic Windows, all the resizing code is done here. */ BOOL CALLBACK _wndproc(HWND hWnd, UINT msg, WPARAM mp1, LPARAM mp2) { int result = -1; static int command_active = 0; SignalHandler *tmp = Root; void (*windowfunc)(PVOID); ULONG origmsg = msg; /* Deal with translating some messages */ if(msg == WM_RBUTTONDOWN || msg == WM_MBUTTONDOWN) msg = WM_LBUTTONDOWN; else if(msg == WM_RBUTTONUP || msg == WM_MBUTTONUP) msg = WM_LBUTTONUP; else if(msg == WM_HSCROLL) msg = WM_VSCROLL; else if(msg == WM_KEYDOWN && mp1 >= VK_F1 && mp1 <= VK_F24) msg = WM_CHAR; if(result == -1) { /* Avoid infinite recursion */ command_active = 1; /* Find any callbacks for this function */ while(tmp) { if(tmp->message == msg || msg == WM_COMMAND || msg == WM_NOTIFY || tmp->message == WM_USER+1) { switch(msg) { case WM_TIMER: { int (*timerfunc)(void *) = tmp->signalfunction; if(tmp->id == (int)mp1) { if(!timerfunc(tmp->data)) dw_timer_disconnect(tmp->id); tmp = NULL; } result = 0; } break; case WM_SETFOCUS: { int (*setfocusfunc)(HWND, void *) = (int (*)(HWND, void *))tmp->signalfunction; if(hWnd == tmp->window) { result = setfocusfunc(tmp->window, tmp->data); tmp = NULL; } } break; case WM_SIZE: { int (*sizefunc)(HWND, int, int, void *) = tmp->signalfunction; if(hWnd == tmp->window) { result = sizefunc(tmp->window, LOWORD(mp2), HIWORD(mp2), tmp->data); tmp = NULL; } } break; case WM_LBUTTONDOWN: { POINTS pts = MAKEPOINTS(mp2); int (*buttonfunc)(HWND, int, int, int, void *) = (int (*)(HWND, int, int, int, void *))tmp->signalfunction; if(hWnd == tmp->window) { int button; switch(origmsg) { case WM_LBUTTONDOWN: button = 1; break; case WM_RBUTTONDOWN: button = 2; break; case WM_MBUTTONDOWN: button = 3; break; } result = buttonfunc(tmp->window, pts.x, pts.y, button, tmp->data); tmp = NULL; } } break; case WM_LBUTTONUP: { POINTS pts = MAKEPOINTS(mp2); int (*buttonfunc)(HWND, int, int, int, void *) = (int (*)(HWND, int, int, int, void *))tmp->signalfunction; if(hWnd == tmp->window) { int button; switch(origmsg) { case WM_LBUTTONUP: button = 1; break; case WM_RBUTTONUP: button = 2; break; case WM_MBUTTONUP: button = 3; break; } result = buttonfunc(tmp->window, pts.x, pts.y, button, tmp->data); tmp = NULL; } } break; case WM_MOUSEMOVE: { POINTS pts = MAKEPOINTS(mp2); int (*motionfunc)(HWND, int, int, int, void *) = (int (*)(HWND, int, int, int, void *))tmp->signalfunction; if(hWnd == tmp->window) { int keys = 0; if (mp1 & MK_LBUTTON) keys = DW_BUTTON1_MASK; if (mp1 & MK_RBUTTON) keys |= DW_BUTTON2_MASK; if (mp1 & MK_MBUTTON) keys |= DW_BUTTON3_MASK; result = motionfunc(tmp->window, pts.x, pts.y, keys, tmp->data); tmp = NULL; } } break; case WM_CHAR: { int (*keypressfunc)(HWND, char, int, int, void *) = tmp->signalfunction; if(hWnd == tmp->window || _toplevel_window(hWnd) == tmp->window) { int special = 0; char ch = 0; if(GetAsyncKeyState(VK_SHIFT) & 0x8000) special |= KC_SHIFT; if(GetAsyncKeyState(VK_CONTROL) & 0x8000) special |= KC_CTRL; if(mp2 & (1 << 29)) special |= KC_ALT; if(origmsg == WM_CHAR && mp1 < 128) ch = (char)mp1; result = keypressfunc(tmp->window, ch, mp1, special, tmp->data); tmp = NULL; } } break; case WM_CLOSE: { int (*closefunc)(HWND, void *) = tmp->signalfunction; if(hWnd == tmp->window) { result = closefunc(tmp->window, tmp->data); tmp = NULL; } } break; case WM_PAINT: { PAINTSTRUCT ps; DWExpose exp; int (*exposefunc)(HWND, DWExpose *, void *) = tmp->signalfunction; if(hWnd == tmp->window) { BeginPaint(hWnd, &ps); exp.x = ps.rcPaint.left; exp.y = ps.rcPaint.top; exp.width = ps.rcPaint.right - ps.rcPaint.left; exp.height = ps.rcPaint.bottom - ps.rcPaint.top; result = exposefunc(hWnd, &exp, tmp->data); EndPaint(hWnd, &ps); } } break; case WM_NOTIFY: { if(tmp->message == TVN_SELCHANGED || tmp->message == NM_RCLICK) { NMTREEVIEW FAR *tem=(NMTREEVIEW FAR *)mp2; char tmpbuf[100]; GetClassName(tem->hdr.hwndFrom, tmpbuf, 99); if(strnicmp(tmpbuf, WC_TREEVIEW, strlen(WC_TREEVIEW))==0) { if(tem->hdr.code == TVN_SELCHANGED && tmp->message == TVN_SELCHANGED) { if(tmp->window == tem->hdr.hwndFrom && !dw_window_get_data(tmp->window, "_dw_select_item")) { int (*treeselectfunc)(HWND, HWND, char *, void *, void *) = tmp->signalfunction; TVITEM tvi; void **ptrs; tvi.mask = TVIF_HANDLE; tvi.hItem = tem->itemNew.hItem; TreeView_GetItem(tmp->window, &tvi); ptrs = (void **)tvi.lParam; if(ptrs) result = treeselectfunc(tmp->window, (HWND)tem->itemNew.hItem, (char *)ptrs[0], tmp->data, (void *)ptrs[1]); tmp = NULL; } } else if(tem->hdr.code == NM_RCLICK && tmp->message == NM_RCLICK) { if(tmp->window == tem->hdr.hwndFrom) { int (*containercontextfunc)(HWND, char *, int, int, void *, void *) = tmp->signalfunction; HTREEITEM hti, last; TVITEM tvi; TVHITTESTINFO thi; void **ptrs = NULL; LONG x, y; dw_pointer_query_pos(&x, &y); thi.pt.x = x; thi.pt.y = y; MapWindowPoints(HWND_DESKTOP, tmp->window, &thi.pt, 1); last = TreeView_GetSelection(tmp->window); hti = TreeView_HitTest(tmp->window, &thi); if(hti) { tvi.mask = TVIF_HANDLE; tvi.hItem = hti; TreeView_GetItem(tmp->window, &tvi); TreeView_SelectItem(tmp->window, hti); ptrs = (void **)tvi.lParam; } containercontextfunc(tmp->window, ptrs ? (char *)ptrs[0] : NULL, x, y, tmp->data, ptrs ? ptrs[1] : NULL); tmp = NULL; } } } else if(strnicmp(tmpbuf, WC_LISTVIEW, strlen(WC_LISTVIEW)+1)==0) { if(tem->hdr.code == LVN_ITEMCHANGED && tmp->message == TVN_SELCHANGED) { if(tmp->window == tem->hdr.hwndFrom) { LV_ITEM lvi; int iItem; iItem = ListView_GetNextItem(tmp->window, -1, LVNI_SELECTED); memset(&lvi, 0, sizeof(LV_ITEM)); if(iItem > -1) { int (*treeselectfunc)(HWND, HWND, char *, void *, void *) = tmp->signalfunction; lvi.iItem = iItem; lvi.mask = LVIF_PARAM; ListView_GetItem(tmp->window, &lvi); /* Seems to be having lParam as 1 which really sucks */ if(lvi.lParam < 100) lvi.lParam = 0; treeselectfunc(tmp->window, 0, (char *)lvi.lParam, tmp->data, 0); tmp = NULL; } } } } } else if(tmp->message == TCN_SELCHANGE) { NMHDR FAR *tem=(NMHDR FAR *)mp2; if(tmp->window == tem->hwndFrom && tem->code == tmp->message) { int (*switchpagefunc)(HWND, unsigned long, void *) = tmp->signalfunction; unsigned long num=dw_notebook_page_query(tem->hwndFrom); result = switchpagefunc(tem->hwndFrom, num, tmp->data); tmp = NULL; } } } break; case WM_COMMAND: { int (*clickfunc)(HWND, void *) = tmp->signalfunction; HWND command; ULONG passthru = (ULONG)LOWORD(mp1); ULONG message = HIWORD(mp1); command = (HWND)passthru; if(message == LBN_SELCHANGE || message == CBN_SELCHANGE) { int (*listboxselectfunc)(HWND, int, void *) = tmp->signalfunction; if(tmp->message == LBN_SELCHANGE && tmp->window == (HWND)mp2) { result = listboxselectfunc(tmp->window, dw_listbox_selected(tmp->window), tmp->data); tmp = NULL; } } /* Make sure it's the right window, and the right ID */ else if(tmp->window < (HWND)65536 && command == tmp->window) { result = clickfunc(popup ? popup : tmp->window, tmp->data); tmp = NULL; } } break; case WM_HSCROLL: case WM_VSCROLL: { char tmpbuf[100]; HWND handle = (HWND)mp2; int (*valuechangefunc)(HWND, int, void *) = tmp->signalfunction; GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, TRACKBAR_CLASS, strlen(TRACKBAR_CLASS)+1)==0) { if(handle == tmp->window) { int value = (int)SendMessage(handle, TBM_GETPOS, 0, 0); int max = (int)SendMessage(handle, TBM_GETRANGEMAX, 0, 0); ULONG currentstyle = GetWindowLong(handle, GWL_STYLE); if(currentstyle & TBS_VERT) result = valuechangefunc(tmp->window, max - value, tmp->data); else result = valuechangefunc(tmp->window, value, tmp->data); tmp = NULL; } } else if(strnicmp(tmpbuf, SCROLLBARCLASSNAME, strlen(SCROLLBARCLASSNAME)+1)==0) { if(handle == tmp->window) { int value = _HandleScroller(handle, (int)HIWORD(mp1), (int)LOWORD(mp1)); if(value > -1) { dw_scrollbar_set_pos(tmp->window, value); result = valuechangefunc(tmp->window, value, tmp->data); } tmp = NULL; msg = 0; } } } break; } } if(tmp) tmp = tmp->next; } command_active = 0; } /* Now that any handlers are done... do normal processing */ switch( msg ) { case WM_PAINT: { PAINTSTRUCT ps; BeginPaint(hWnd, &ps); EndPaint(hWnd, &ps); } break; case WM_SIZE: { static int lastx = -1, lasty = -1; static HWND lasthwnd = 0; if(lastx != LOWORD(mp2) || lasty != HIWORD(mp2) || lasthwnd != hWnd) { Box *mybox = (Box *)GetWindowLong(hWnd, GWL_USERDATA); if(mybox && mybox->count) { lastx = LOWORD(mp2); lasty = HIWORD(mp2); lasthwnd = hWnd; ShowWindow(mybox->items[0].hwnd, SW_HIDE); _do_resize(mybox,LOWORD(mp2),HIWORD(mp2)); ShowWindow(mybox->items[0].hwnd, SW_SHOW); return 0; } } } break; case WM_CHAR: if(LOWORD(mp1) == '\t') { if(GetAsyncKeyState(VK_SHIFT) & 0x8000) _shift_focus_back(hWnd); else _shift_focus(hWnd); return TRUE; } break; case WM_USER: windowfunc = (void *)mp1; if(windowfunc) windowfunc((void *)mp2); break; case WM_NOTIFY: { NMHDR FAR *tem=(NMHDR FAR *)mp2; if(tem->code == TCN_SELCHANGING) { int num=TabCtrl_GetCurSel(tem->hwndFrom); NotebookPage **array = (NotebookPage **)dw_window_get_data(tem->hwndFrom, "_dw_array"); if(num > -1 && array && array[num]) SetParent(array[num]->hwnd, DW_HWND_OBJECT); } else if(tem->code == TCN_SELCHANGE) { int num=TabCtrl_GetCurSel(tem->hwndFrom); NotebookPage **array = (NotebookPage **)dw_window_get_data(tem->hwndFrom, "_dw_array"); if(num > -1 && array && array[num]) SetParent(array[num]->hwnd, tem->hwndFrom); _resize_notebook_page(tem->hwndFrom, num); } } break; case WM_HSCROLL: case WM_VSCROLL: { HWND handle = (HWND)mp2; if(dw_window_get_data(handle, "_dw_scrollbar")) { int value = _HandleScroller(handle, (int)HIWORD(mp1), (int)LOWORD(mp1)); if(value > -1) dw_scrollbar_set_pos(handle, value); } } break; case WM_GETMINMAXINFO: { MINMAXINFO *info = (MINMAXINFO *)mp2; info->ptMinTrackSize.x = 8; info->ptMinTrackSize.y = 8; return 0; } break; case WM_DESTROY: /* Free memory before destroying */ _free_window_memory(hWnd, 0); EnumChildWindows(hWnd, _free_window_memory, 0); break; case WM_CTLCOLORSTATIC: case WM_CTLCOLORLISTBOX: case WM_CTLCOLORBTN: case WM_CTLCOLOREDIT: case WM_CTLCOLORMSGBOX: case WM_CTLCOLORSCROLLBAR: case WM_CTLCOLORDLG: { ColorInfo *thiscinfo = (ColorInfo *)GetWindowLong((HWND)mp2, GWL_USERDATA); if(thiscinfo && thiscinfo->fore != -1 && thiscinfo->back != -1) { /* Handle foreground */ if(thiscinfo->fore > -1 && thiscinfo->fore < 18) { if(thiscinfo->fore != DW_CLR_DEFAULT) { SetTextColor((HDC)mp1, RGB(_red[thiscinfo->fore], _green[thiscinfo->fore], _blue[thiscinfo->fore])); } } else if((thiscinfo->fore & DW_RGB_COLOR) == DW_RGB_COLOR) { SetTextColor((HDC)mp1, RGB(DW_RED_VALUE(thiscinfo->fore), DW_GREEN_VALUE(thiscinfo->fore), DW_BLUE_VALUE(thiscinfo->fore))); } /* Handle background */ if(thiscinfo->back > -1 && thiscinfo->back < 18) { if(thiscinfo->back == DW_CLR_DEFAULT) { HBRUSH hbr = GetSysColorBrush(COLOR_3DFACE); SelectObject((HDC)mp1, hbr); return (LONG)hbr; } else { SetBkColor((HDC)mp1, RGB(_red[thiscinfo->back], _green[thiscinfo->back], _blue[thiscinfo->back])); if(thiscinfo->hbrush) DeleteObject(thiscinfo->hbrush); thiscinfo->hbrush = CreateSolidBrush(RGB(_red[thiscinfo->back], _green[thiscinfo->back], _blue[thiscinfo->back])); SelectObject((HDC)mp1, thiscinfo->hbrush); } return (LONG)thiscinfo->hbrush; } else if((thiscinfo->back & DW_RGB_COLOR) == DW_RGB_COLOR) { SetBkColor((HDC)mp1, RGB(DW_RED_VALUE(thiscinfo->back), DW_GREEN_VALUE(thiscinfo->back), DW_BLUE_VALUE(thiscinfo->back))); if(thiscinfo->hbrush) DeleteObject(thiscinfo->hbrush); thiscinfo->hbrush = CreateSolidBrush(RGB(DW_RED_VALUE(thiscinfo->back), DW_GREEN_VALUE(thiscinfo->back), DW_BLUE_VALUE(thiscinfo->back))); SelectObject((HDC)mp1, thiscinfo->hbrush); return (LONG)thiscinfo->hbrush; } } } break; } if(result != -1) return result; else return DefWindowProc(hWnd, msg, mp1, mp2); } BOOL CALLBACK _framewndproc(HWND hWnd, UINT msg, WPARAM mp1, LPARAM mp2) { switch( msg ) { case WM_LBUTTONDOWN: case WM_MBUTTONDOWN: case WM_RBUTTONDOWN: SetActiveWindow(hWnd); SetFocus(hWnd); break; case WM_COMMAND: case WM_NOTIFY: _wndproc(hWnd, msg, mp1, mp2); break; #if 0 case WM_ERASEBKGND: { ColorInfo *thiscinfo = (ColorInfo *)GetWindowLong(hWnd, GWL_USERDATA); if(thiscinfo && thiscinfo->fore != -1 && thiscinfo->back != -1) return FALSE; } break; #endif case WM_PAINT: { ColorInfo *thiscinfo = (ColorInfo *)GetWindowLong(hWnd, GWL_USERDATA); if(thiscinfo && thiscinfo->fore != -1 && thiscinfo->back != -1) { PAINTSTRUCT ps; HDC hdcPaint = BeginPaint(hWnd, &ps); int success = FALSE; if(thiscinfo && thiscinfo->fore != -1 && thiscinfo->back != -1) { /* Handle foreground */ if(thiscinfo->fore > -1 && thiscinfo->fore < 18) { if(thiscinfo->fore != DW_CLR_DEFAULT) { SetTextColor((HDC)mp1, RGB(_red[thiscinfo->fore], _green[thiscinfo->fore], _blue[thiscinfo->fore])); } } else if((thiscinfo->fore & DW_RGB_COLOR) == DW_RGB_COLOR) { SetTextColor((HDC)mp1, RGB(DW_RED_VALUE(thiscinfo->fore), DW_GREEN_VALUE(thiscinfo->fore), DW_BLUE_VALUE(thiscinfo->fore))); } /* Handle background */ if(thiscinfo->back > -1 && thiscinfo->back < 18) { if(thiscinfo->back != DW_CLR_DEFAULT) { SetBkColor((HDC)mp1, RGB(_red[thiscinfo->back], _green[thiscinfo->back], _blue[thiscinfo->back])); if(thiscinfo->hbrush) DeleteObject(thiscinfo->hbrush); thiscinfo->hbrush = CreateSolidBrush(RGB(_red[thiscinfo->back], _green[thiscinfo->back], _blue[thiscinfo->back])); SelectObject(hdcPaint, thiscinfo->hbrush); Rectangle(hdcPaint, ps.rcPaint.left - 1, ps.rcPaint.top - 1, ps.rcPaint.right + 1, ps.rcPaint.bottom + 1); success = TRUE; } } else if((thiscinfo->back & DW_RGB_COLOR) == DW_RGB_COLOR) { SetBkColor((HDC)mp1, RGB(DW_RED_VALUE(thiscinfo->back), DW_GREEN_VALUE(thiscinfo->back), DW_BLUE_VALUE(thiscinfo->back))); if(thiscinfo->hbrush) DeleteObject(thiscinfo->hbrush); thiscinfo->hbrush = CreateSolidBrush(RGB(DW_RED_VALUE(thiscinfo->back), DW_GREEN_VALUE(thiscinfo->back), DW_BLUE_VALUE(thiscinfo->back))); SelectObject(hdcPaint, thiscinfo->hbrush); Rectangle(hdcPaint, ps.rcPaint.left - 1, ps.rcPaint.top - 1, ps.rcPaint.right + 1, ps.rcPaint.bottom + 1); success = TRUE; } } EndPaint(hWnd, &ps); if(success) return FALSE; } } break; } return DefWindowProc(hWnd, msg, mp1, mp2); } BOOL CALLBACK _rendwndproc(HWND hWnd, UINT msg, WPARAM mp1, LPARAM mp2) { switch( msg ) { case WM_LBUTTONDOWN: case WM_MBUTTONDOWN: case WM_RBUTTONDOWN: SetFocus(hWnd); _wndproc(hWnd, msg, mp1, mp2); break; case WM_LBUTTONUP: case WM_MBUTTONUP: case WM_RBUTTONUP: case WM_MOUSEMOVE: case WM_PAINT: case WM_SIZE: case WM_COMMAND: case WM_CHAR: case WM_KEYDOWN: _wndproc(hWnd, msg, mp1, mp2); break; } return DefWindowProc(hWnd, msg, mp1, mp2); } BOOL CALLBACK _spinnerwndproc(HWND hWnd, UINT msg, WPARAM mp1, LPARAM mp2) { ColorInfo *cinfo; cinfo = (ColorInfo *)GetWindowLong(hWnd, GWL_USERDATA); if(cinfo) { switch( msg ) { case WM_LBUTTONDOWN: case WM_MBUTTONDOWN: case WM_RBUTTONDOWN: case WM_KEYDOWN: { BOOL ret; if(!cinfo || !cinfo->pOldProc) ret = DefWindowProc(hWnd, msg, mp1, mp2); ret = CallWindowProc(cinfo->pOldProc, hWnd, msg, mp1, mp2); /* Tell the edit control that a buttonpress has * occured and to update it's window title. */ if(cinfo && cinfo->buddy) SendMessage(cinfo->buddy, WM_USER+10, 0, 0); SetTimer(hWnd, 100, 100, (TIMERPROC)NULL); return ret; } break; case WM_LBUTTONUP: case WM_MBUTTONUP: case WM_RBUTTONUP: case WM_KEYUP: { BOOL ret; if(!cinfo || !cinfo->pOldProc) ret = DefWindowProc(hWnd, msg, mp1, mp2); ret = CallWindowProc(cinfo->pOldProc, hWnd, msg, mp1, mp2); /* Tell the edit control that a buttonpress has * occured and to update it's window title. */ if(cinfo && cinfo->buddy) SendMessage(cinfo->buddy, WM_USER+10, 0, 0); KillTimer(hWnd, 100); return ret; } break; case WM_TIMER: { if(mp1 == 100) { BOOL ret; if(cinfo && cinfo->buddy) SendMessage(cinfo->buddy, WM_USER+10, 0, 0); if(!cinfo || !cinfo->pOldProc) ret = DefWindowProc(hWnd, msg, mp1, mp2); ret = CallWindowProc(cinfo->pOldProc, hWnd, msg, mp1, mp2); /* Tell the edit control that a buttonpress has * occured and to update it's window title. */ if(cinfo && cinfo->buddy) SendMessage(cinfo->buddy, WM_USER+10, 0, 0); return ret; } } break; case WM_USER+10: { if(cinfo->buddy) { char tempbuf[100] = ""; long position; GetWindowText(cinfo->buddy, tempbuf, 99); position = atol(tempbuf); if(IS_IE5PLUS) SendMessage(hWnd, UDM_SETPOS32, 0, (LPARAM)position); else SendMessage(hWnd, UDM_SETPOS, 0, (LPARAM)MAKELONG((short)position, 0)); } } break; } } if(!cinfo || !cinfo->pOldProc) return DefWindowProc(hWnd, msg, mp1, mp2); return CallWindowProc(cinfo->pOldProc, hWnd, msg, mp1, mp2); } void _click_default(HWND handle) { char tmpbuf[100]; GetClassName(handle, tmpbuf, 99); /* These are the window classes which can * obtain input focus. */ if(strnicmp(tmpbuf, BUTTONCLASSNAME, strlen(BUTTONCLASSNAME))==0) { /* Generate click on default item */ SignalHandler *tmp = Root; /* Find any callbacks for this function */ while(tmp) { if(tmp->message == WM_COMMAND) { int (*clickfunc)(HWND, void *) = tmp->signalfunction; /* Make sure it's the right window, and the right ID */ if(tmp->window == handle) { clickfunc(tmp->window, tmp->data); tmp = NULL; } } if(tmp) tmp= tmp->next; } } else SetFocus(handle); } BOOL CALLBACK _colorwndproc(HWND hWnd, UINT msg, WPARAM mp1, LPARAM mp2) { ColorInfo *cinfo; char tmpbuf[100]; WNDPROC pOldProc = 0; cinfo = (ColorInfo *)GetWindowLong(hWnd, GWL_USERDATA); GetClassName(hWnd, tmpbuf, 99); if(strcmp(tmpbuf, FRAMECLASSNAME) == 0) cinfo = &(((Box *)cinfo)->cinfo); if(cinfo) { pOldProc = cinfo->pOldProc; switch( msg ) { case WM_SETFOCUS: if(cinfo->combo) _wndproc(cinfo->combo, msg, mp1, mp2); else _wndproc(hWnd, msg, mp1, mp2); break; case WM_VSCROLL: case WM_HSCROLL: _wndproc(hWnd, msg, mp1, mp2); break; case WM_KEYDOWN: case WM_KEYUP: { if(mp1 == VK_UP || mp1 == VK_DOWN) { BOOL ret; if(!cinfo || !cinfo->pOldProc) ret = DefWindowProc(hWnd, msg, mp1, mp2); ret = CallWindowProc(cinfo->pOldProc, hWnd, msg, mp1, mp2); /* Tell the spinner control that a keypress has * occured and to update it's internal value. */ if(cinfo && cinfo->buddy && !cinfo->combo) PostMessage(hWnd, WM_USER+10, 0, 0); if(msg == WM_KEYDOWN) SetTimer(hWnd, 101, 100, (TIMERPROC)NULL); else KillTimer(hWnd, 101); return ret; } } break; case WM_TIMER: { if(mp1 == 101) { BOOL ret; if(!cinfo || !cinfo->pOldProc) ret = DefWindowProc(hWnd, msg, mp1, mp2); ret = CallWindowProc(cinfo->pOldProc, hWnd, msg, mp1, mp2); /* Tell the spinner control that a keypress has * occured and to update it's internal value. */ if(cinfo && cinfo->buddy && !cinfo->combo) PostMessage(hWnd, WM_USER+10, 0, 0); return ret; } } break; case WM_CHAR: _wndproc(hWnd, msg, mp1, mp2); if(LOWORD(mp1) == '\t') { if(GetAsyncKeyState(VK_SHIFT) & 0x8000) { if(cinfo->combo) _shift_focus_back(cinfo->combo); else if(cinfo->buddy) _shift_focus_back(cinfo->buddy); else _shift_focus_back(hWnd); } else { if(cinfo->combo) _shift_focus(cinfo->combo); else if(cinfo->buddy) _shift_focus(cinfo->buddy); else _shift_focus(hWnd); } return FALSE; } else if(LOWORD(mp1) == '\r') { if(cinfo->clickdefault) _click_default(cinfo->clickdefault); } /* Tell the spinner control that a keypress has * occured and to update it's internal value. */ if(cinfo->buddy && !cinfo->combo) { if(IsWinNT()) PostMessage(cinfo->buddy, WM_USER+10, 0, 0); else SendMessage(cinfo->buddy, WM_USER+10, 0, 0); } break; case WM_USER+10: { if(cinfo->buddy) { long val; if(IS_IE5PLUS) val = (long)SendMessage(cinfo->buddy, UDM_GETPOS32, 0, 0); else val = (long)SendMessage(cinfo->buddy, UDM_GETPOS, 0, 0); sprintf(tmpbuf, "%d", val); SetWindowText(hWnd, tmpbuf); } } break; case WM_CTLCOLORSTATIC: case WM_CTLCOLORLISTBOX: case WM_CTLCOLORBTN: case WM_CTLCOLOREDIT: case WM_CTLCOLORMSGBOX: case WM_CTLCOLORSCROLLBAR: case WM_CTLCOLORDLG: { ColorInfo *thiscinfo = (ColorInfo *)GetWindowLong((HWND)mp2, GWL_USERDATA); if(thiscinfo && thiscinfo->fore != -1 && thiscinfo->back != -1) { /* Handle foreground */ if(thiscinfo->fore > -1 && thiscinfo->fore < 18) { if(thiscinfo->fore != DW_CLR_DEFAULT) { SetTextColor((HDC)mp1, RGB(_red[thiscinfo->fore], _green[thiscinfo->fore], _blue[thiscinfo->fore])); } } else if((thiscinfo->fore & DW_RGB_COLOR) == DW_RGB_COLOR) { SetTextColor((HDC)mp1, RGB(DW_RED_VALUE(thiscinfo->fore), DW_GREEN_VALUE(thiscinfo->fore), DW_BLUE_VALUE(thiscinfo->fore))); } /* Handle background */ if(thiscinfo->back > -1 && thiscinfo->back < 18) { if(thiscinfo->back == DW_CLR_DEFAULT) { HBRUSH hbr = GetSysColorBrush(COLOR_3DFACE); SetBkColor((HDC)mp1, GetSysColor(COLOR_3DFACE)); SelectObject((HDC)mp1, hbr); return (LONG)hbr; } else { SetBkColor((HDC)mp1, RGB(_red[thiscinfo->back], _green[thiscinfo->back], _blue[thiscinfo->back])); if(thiscinfo->hbrush) DeleteObject(thiscinfo->hbrush); thiscinfo->hbrush = CreateSolidBrush(RGB(_red[thiscinfo->back], _green[thiscinfo->back], _blue[thiscinfo->back])); SelectObject((HDC)mp1, thiscinfo->hbrush); } return (LONG)thiscinfo->hbrush; } else if((thiscinfo->back & DW_RGB_COLOR) == DW_RGB_COLOR) { SetBkColor((HDC)mp1, RGB(DW_RED_VALUE(thiscinfo->back), DW_GREEN_VALUE(thiscinfo->back), DW_BLUE_VALUE(thiscinfo->back))); if(thiscinfo->hbrush) DeleteObject(thiscinfo->hbrush); thiscinfo->hbrush = CreateSolidBrush(RGB(DW_RED_VALUE(thiscinfo->back), DW_GREEN_VALUE(thiscinfo->back), DW_BLUE_VALUE(thiscinfo->back))); SelectObject((HDC)mp1, thiscinfo->hbrush); return (LONG)thiscinfo->hbrush; } } } break; } } if(!pOldProc) return DefWindowProc(hWnd, msg, mp1, mp2); return CallWindowProc(pOldProc, hWnd, msg, mp1, mp2); } BOOL CALLBACK _containerwndproc(HWND hWnd, UINT msg, WPARAM mp1, LPARAM mp2) { ContainerInfo *cinfo; cinfo = (ContainerInfo *)GetWindowLong(hWnd, GWL_USERDATA); switch( msg ) { case WM_COMMAND: case WM_NOTIFY: _wndproc(hWnd, msg, mp1, mp2); break; case WM_LBUTTONDBLCLK: case WM_CHAR: { LV_ITEM lvi; int iItem; if(LOWORD(mp1) == '\t') { if(GetAsyncKeyState(VK_SHIFT) & 0x8000) _shift_focus_back(hWnd); else _shift_focus(hWnd); return FALSE; } if(msg == WM_CHAR && (char)mp1 != '\r') break; iItem = ListView_GetNextItem(hWnd, -1, LVNI_FOCUSED); memset(&lvi, 0, sizeof(LV_ITEM)); if(iItem > -1) { lvi.iItem = iItem; lvi.mask = LVIF_PARAM; ListView_GetItem(hWnd, &lvi); } { SignalHandler *tmp = Root; while(tmp) { if(tmp->message == NM_DBLCLK && tmp->window == hWnd) { int (*containerselectfunc)(HWND, char *, void *) = tmp->signalfunction; /* Seems to be having lParam as 1 which really sucks */ if(lvi.lParam < 100) lvi.lParam = 0; containerselectfunc(tmp->window, (char *)lvi.lParam, tmp->data); tmp = NULL; } if(tmp) tmp = tmp->next; } } } break; case WM_CONTEXTMENU: { SignalHandler *tmp = Root; while(tmp) { if(tmp->message == NM_RCLICK && tmp->window == hWnd) { int (*containercontextfunc)(HWND, char *, int, int, void *, void *) = tmp->signalfunction; LONG x,y; LV_ITEM lvi; int iItem; LVHITTESTINFO lhi; dw_pointer_query_pos(&x, &y); lhi.pt.x = x; lhi.pt.y = y; MapWindowPoints(HWND_DESKTOP, tmp->window, &lhi.pt, 1); iItem = ListView_HitTest(tmp->window, &lhi); memset(&lvi, 0, sizeof(LV_ITEM)); if(iItem > -1) { lvi.iItem = iItem; lvi.mask = LVIF_PARAM; ListView_GetItem(tmp->window, &lvi); ListView_SetSelectionMark(tmp->window, iItem); } /* Seems to be having lParam as 1 which really sucks */ if(lvi.lParam < 100) lvi.lParam = 0; containercontextfunc(tmp->window, (char *)lvi.lParam, x, y, tmp->data, NULL); tmp = NULL; } if(tmp) tmp = tmp->next; } } break; } if(!cinfo || !cinfo->pOldProc) return DefWindowProc(hWnd, msg, mp1, mp2); return CallWindowProc(cinfo->pOldProc, hWnd, msg, mp1, mp2); } BOOL CALLBACK _treewndproc(HWND hWnd, UINT msg, WPARAM mp1, LPARAM mp2) { ContainerInfo *cinfo; cinfo = (ContainerInfo *)GetWindowLong(hWnd, GWL_USERDATA); switch( msg ) { case WM_CHAR: if(LOWORD(mp1) == '\t') { if(GetAsyncKeyState(VK_SHIFT) & 0x8000) _shift_focus_back(hWnd); else _shift_focus(hWnd); return FALSE; } break; } if(!cinfo || !cinfo->pOldProc) return DefWindowProc(hWnd, msg, mp1, mp2); return CallWindowProc(cinfo->pOldProc, hWnd, msg, mp1, mp2); } void _changebox(Box *thisbox, int percent, int type) { int z; for(z=0;z<thisbox->count;z++) { if(thisbox->items[z].type == TYPEBOX) { Box *tmp = (Box*)GetWindowLong(thisbox->items[z].hwnd, GWL_USERDATA); _changebox(tmp, percent, type); } else { if(type == DW_HORZ) { if(thisbox->items[z].hsize == SIZEEXPAND) thisbox->items[z].width = (int)(((float)thisbox->items[z].origwidth) * (((float)percent)/((float)100.0))); } else { if(thisbox->items[z].vsize == SIZEEXPAND) thisbox->items[z].height = (int)(((float)thisbox->items[z].origheight) * (((float)percent)/((float)100.0))); } } } } void _handle_splitbar_resize(HWND hwnd, float percent, int type, int x, int y) { if(type == DW_HORZ) { int newx = x; float ratio = (float)percent/(float)100.0; HWND handle1 = (HWND)dw_window_get_data(hwnd, "_dw_topleft"); HWND handle2 = (HWND)dw_window_get_data(hwnd, "_dw_bottomright"); Box *tmp = (Box *)GetWindowLong(handle1, GWL_USERDATA); newx = (int)((float)newx * ratio) - (SPLITBAR_WIDTH/2); ShowWindow(handle1, SW_HIDE); ShowWindow(handle2, SW_HIDE); MoveWindow(handle1, 0, 0, newx, y, FALSE); _do_resize(tmp, newx - 1, y - 1); tmp = (Box *)GetWindowLong(handle2, GWL_USERDATA); newx = x - newx - SPLITBAR_WIDTH; MoveWindow(handle2, x - newx, 0, newx, y, FALSE); _do_resize(tmp, newx - 1, y - 1); ShowWindow(handle1, SW_SHOW); ShowWindow(handle2, SW_SHOW); dw_window_set_data(hwnd, "_dw_start", (void *)newx); } else { int newy = y; float ratio = (float)(100.0-percent)/(float)100.0; HWND handle1 = (HWND)dw_window_get_data(hwnd, "_dw_bottomright"); HWND handle2 = (HWND)dw_window_get_data(hwnd, "_dw_topleft"); Box *tmp = (Box *)GetWindowLong(handle1, GWL_USERDATA); newy = (int)((float)newy * ratio) - (SPLITBAR_WIDTH/2); ShowWindow(handle1, SW_HIDE); ShowWindow(handle2, SW_HIDE); MoveWindow(handle1, 0, y - newy, x, newy, FALSE); _do_resize(tmp, x - 1, newy - 1); tmp = (Box *)GetWindowLong(handle2, GWL_USERDATA); newy = y - newy - SPLITBAR_WIDTH; MoveWindow(handle2, 0, 0, x, newy, FALSE); _do_resize(tmp, x - 1, newy - 1); ShowWindow(handle1, SW_SHOW); ShowWindow(handle2, SW_SHOW); dw_window_set_data(hwnd, "_dw_start", (void *)newy); } } /* This handles any activity on the splitbars (sizers) */ BOOL CALLBACK _splitwndproc(HWND hwnd, UINT msg, WPARAM mp1, LPARAM mp2) { float *percent = (float *)dw_window_get_data(hwnd, "_dw_percent"); int type = (int)dw_window_get_data(hwnd, "_dw_type"); int start = (int)dw_window_get_data(hwnd, "_dw_start"); switch (msg) { case WM_ACTIVATE: case WM_SETFOCUS: return FALSE; case WM_PAINT: { PAINTSTRUCT ps; HDC hdcPaint; BeginPaint(hwnd, &ps); if((hdcPaint = GetDC(hwnd)) != NULL) { int cx, cy; HBRUSH oldBrush = SelectObject(hdcPaint, GetSysColorBrush(COLOR_3DFACE)); HPEN oldPen = SelectObject(hdcPaint, CreatePen(PS_SOLID, 1, GetSysColor(COLOR_3DFACE))); dw_window_get_pos_size(hwnd, NULL, NULL, &cx, &cy); if(type == DW_HORZ) Rectangle(hdcPaint, cx - start - SPLITBAR_WIDTH, 0, cx - start, cy); else Rectangle(hdcPaint, 0, start, cx, start + SPLITBAR_WIDTH); SelectObject(hdcPaint, oldBrush); DeleteObject(SelectObject(hdcPaint, oldPen)); ReleaseDC(hwnd, hdcPaint); } EndPaint(hwnd, &ps); } break; case WM_LBUTTONDOWN: { SetCapture(hwnd); break; } case WM_LBUTTONUP: { if(GetCapture() == hwnd) ReleaseCapture(); } break; case WM_MOUSEMOVE: { if(type == DW_HORZ) SetCursor(LoadCursor(NULL, IDC_SIZEWE)); else SetCursor(LoadCursor(NULL, IDC_SIZENS)); if(GetCapture() == hwnd && percent) { POINT point; RECT rect; static POINT lastpoint; GetCursorPos(&point); GetWindowRect(hwnd, &rect); if(memcmp(&point, &lastpoint, sizeof(POINT))) { if(PtInRect(&rect, point)) { int width = (rect.right - rect.left); int height = (rect.bottom - rect.top); if(type == DW_HORZ) { start = point.x - rect.left; if(width - SPLITBAR_WIDTH > 1 && start < width - SPLITBAR_WIDTH) *percent = ((float)start / (float)(width - SPLITBAR_WIDTH)) * 100.0; } else { start = point.y - rect.top; if(height - SPLITBAR_WIDTH > 1 && start < height - SPLITBAR_WIDTH) *percent = ((float)start / (float)(height - SPLITBAR_WIDTH)) * 100.0; } _handle_splitbar_resize(hwnd, *percent, type, width, height); } memcpy(&lastpoint, &point, sizeof(POINT)); } } break; } } return DefWindowProc(hwnd, msg, mp1, mp2); } /* This handles drawing the status text areas */ BOOL CALLBACK _statuswndproc(HWND hwnd, UINT msg, WPARAM mp1, LPARAM mp2) { switch (msg) { case WM_SETTEXT: { /* Make sure the control redraws when there is a text change */ int ret = (int)DefWindowProc(hwnd, msg, mp1, mp2); InvalidateRgn(hwnd, NULL, TRUE); return ret; } case WM_PAINT: { HDC hdcPaint; PAINTSTRUCT ps; RECT rc; unsigned long cx, cy; int threadid = dw_thread_id(); char tempbuf[1024] = ""; ColorInfo *cinfo = (ColorInfo *)GetWindowLong(hwnd, GWL_USERDATA); HFONT hfont = _acquire_font(hwnd, cinfo ? cinfo->fontname : NULL); HFONT oldfont = (HFONT)SendMessage(hwnd, WM_GETFONT, 0, 0); dw_window_get_pos_size(hwnd, NULL, NULL, &cx, &cy); GetWindowText(hwnd, tempbuf, 1024); hdcPaint = BeginPaint(hwnd, &ps); if(hfont) oldfont = (HFONT)SelectObject(hdcPaint, hfont); rc.top = rc.left = 0; rc.right = cx; rc.bottom = cy; DrawStatusText(hdcPaint, &rc, tempbuf, 0); if(hfont && oldfont) SelectObject(hdcPaint, oldfont); if(hfont) DeleteObject(hfont); EndPaint(hwnd, &ps); } return FALSE; } return DefWindowProc(hwnd, msg, mp1, mp2); } /* Function: _BtProc * Abstract: Subclass procedure for buttons */ BOOL CALLBACK _BtProc(HWND hwnd, ULONG msg, WPARAM mp1, LPARAM mp2) { BubbleButton *bubble; static int bMouseOver = 0; POINT point; RECT rect; WNDPROC pOldProc; bubble = (BubbleButton *)GetWindowLong(hwnd, GWL_USERDATA); if(!bubble) return DefWindowProc(hwnd, msg, mp1, mp2); /* We must save a pointer to the old * window procedure because if a signal * handler attached here destroys this * window it will then be invalid. */ pOldProc = bubble->pOldProc; switch(msg) { case WM_CTLCOLORSTATIC: case WM_CTLCOLORLISTBOX: case WM_CTLCOLORBTN: case WM_CTLCOLOREDIT: case WM_CTLCOLORMSGBOX: case WM_CTLCOLORSCROLLBAR: case WM_CTLCOLORDLG: _wndproc(hwnd, msg, mp1, mp2); break; case WM_SETFOCUS: _wndproc(hwnd, msg, mp1, mp2); break; case WM_LBUTTONUP: { SignalHandler *tmp = Root; /* Find any callbacks for this function */ while(tmp) { if(tmp->message == WM_COMMAND) { int (*clickfunc)(HWND, void *) = tmp->signalfunction; /* Make sure it's the right window, and the right ID */ if(tmp->window == hwnd) { if(bubble->checkbox) in_checkbox_handler = 1; clickfunc(tmp->window, tmp->data); if(bubble->checkbox) in_checkbox_handler = 0; tmp = NULL; } } if(tmp) tmp= tmp->next; } } break; case WM_CHAR: { /* A button press should also occur for an ENTER or SPACE press * while the button has the active input focus. */ if(LOWORD(mp1) == '\r' || LOWORD(mp1) == ' ') { SignalHandler *tmp = Root; /* Find any callbacks for this function */ while(tmp) { if(tmp->message == WM_COMMAND) { int (*clickfunc)(HWND, void *) = tmp->signalfunction; /* Make sure it's the right window, and the right ID */ if(tmp->window == hwnd) { clickfunc(tmp->window, tmp->data); tmp = NULL; } } if(tmp) tmp= tmp->next; } } if(LOWORD(mp1) == '\t') { if(GetAsyncKeyState(VK_SHIFT) & 0x8000) _shift_focus_back(hwnd); else _shift_focus(hwnd); return FALSE; } } break; case WM_KEYDOWN: if(mp1 == VK_LEFT || mp1 == VK_UP) _shift_focus_back(hwnd); if(mp1 == VK_RIGHT || mp1 == VK_DOWN) _shift_focus(hwnd); break; case WM_TIMER: if (hwndBubble) { _free_window_memory(hwndBubble, 0); DestroyWindow(hwndBubble); hwndBubble = 0; KillTimer(hwnd, 1); } break; case WM_MOUSEMOVE: GetCursorPos(&point); GetWindowRect(hwnd, &rect); if(PtInRect(&rect, point)) { if(hwnd != GetCapture()) { SetCapture(hwnd); } if(!bMouseOver) { bMouseOver = 1; if(!*bubble->bubbletext) break; if(hwndBubble) { _free_window_memory(hwndBubble, 0); DestroyWindow(hwndBubble); hwndBubble = 0; KillTimer(hwndBubbleLast, 1); } if(!hwndBubble) { POINTL ptlWork = {0,0}; ULONG ulColor = DW_CLR_YELLOW; SIZE size; HFONT hFont, oldFont = (HFONT)0; HDC hdc; RECT rect; void *oldproc; /* Use the WS_EX_TOOLWINDOW extended style * so the window doesn't get listed in the * taskbar. */ hwndBubble = CreateWindowEx(WS_EX_TOOLWINDOW, STATICCLASSNAME, bubble->bubbletext, BS_TEXT | WS_POPUP | WS_BORDER | SS_CENTER, 0,0,50,20, HWND_DESKTOP, NULL, DWInstance, NULL); dw_window_set_font(hwndBubble, DefaultFont); dw_window_set_color(hwndBubble, DW_CLR_BLACK, DW_CLR_YELLOW); hwndBubbleLast = hwnd; SetTimer(hwnd, 1, 3000, NULL); hFont = (HFONT)SendMessage(hwndBubble, WM_GETFONT, 0, 0); hdc = GetDC(hwndBubble); if(hFont) oldFont = (HFONT)SelectObject(hdc, hFont); GetTextExtentPoint32(hdc, bubble->bubbletext, strlen(bubble->bubbletext), &size); if(hFont) SelectObject(hdc, oldFont); MapWindowPoints(hwnd, HWND_DESKTOP, (LPPOINT)&ptlWork, 1); GetWindowRect(hwnd, &rect); SetWindowPos(hwndBubble, HWND_TOP, ptlWork.x, ptlWork.y + (rect.bottom-rect.top) + 1, size.cx + 8, size.cy + 2, SWP_NOACTIVATE | SWP_SHOWWINDOW); ReleaseDC(hwndBubble, hdc); } } } else{ /* Calling ReleaseCapture in Win95 also causes WM_CAPTURECHANGED * to be sent. Be sure to account for that. */ ReleaseCapture(); if(bMouseOver) { bMouseOver = 0; _free_window_memory(hwndBubble, 0); DestroyWindow(hwndBubble); hwndBubble = 0; KillTimer(hwndBubbleLast, 1); } } break; case WM_CAPTURECHANGED: /* This message means we are losing the capture for some reason * Either because we intentionally lost it or another window * stole it */ if(bMouseOver) { bMouseOver = 0; _free_window_memory(hwndBubble, 0); DestroyWindow(hwndBubble); hwndBubble = 0; KillTimer(hwndBubbleLast, 1); } break; } if(!pOldProc) return DefWindowProc(hwnd, msg, mp1, mp2); return CallWindowProc(pOldProc, hwnd, msg, mp1, mp2); } /* This function recalculates a notebook page for example * during switching of notebook pages. */ void _resize_notebook_page(HWND handle, int pageid) { RECT rect; NotebookPage **array = (NotebookPage **)dw_window_get_data(handle, "_dw_array"); if(array && array[pageid]) { Box *box = (Box *)GetWindowLong(array[pageid]->hwnd, GWL_USERDATA); GetClientRect(handle,&rect); TabCtrl_AdjustRect(handle,FALSE,&rect); MoveWindow(array[pageid]->hwnd, rect.left, rect.top, rect.right - rect.left, rect.bottom-rect.top, TRUE); if(box && box->count) { ShowWindow(box->items[0].hwnd, SW_HIDE); _do_resize(box, rect.right - rect.left, rect.bottom - rect.top); ShowWindow(box->items[0].hwnd, SW_SHOW); } ShowWindow(array[pageid]->hwnd, SW_SHOWNORMAL); } } /* * Initializes the Dynamic Windows engine. * Parameters: * newthread: True if this is the only thread. * False if there is already a message loop running. */ int API dw_init(int newthread, int argc, char *argv[]) { WNDCLASS wc; int z; INITCOMMONCONTROLSEX icc; icc.dwSize = sizeof(INITCOMMONCONTROLSEX); icc.dwICC = ICC_WIN95_CLASSES; InitCommonControlsEx(&icc); memset(lookup, 0, sizeof(HICON) * ICON_INDEX_LIMIT); /* Register the generic Dynamic Windows class */ memset(&wc, 0, sizeof(WNDCLASS)); wc.style = CS_DBLCLKS; wc.lpfnWndProc = (WNDPROC)_wndproc; wc.cbClsExtra = 0; wc.cbWndExtra = 32; wc.hbrBackground = NULL; wc.lpszMenuName = NULL; wc.lpszClassName = ClassName; RegisterClass(&wc); /* Register the splitbar control */ memset(&wc, 0, sizeof(WNDCLASS)); wc.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW; wc.lpfnWndProc = (WNDPROC)_splitwndproc; wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hbrBackground = NULL; wc.lpszMenuName = NULL; wc.lpszClassName = SplitbarClassName; RegisterClass(&wc); /* Register a frame control like on OS/2 */ memset(&wc, 0, sizeof(WNDCLASS)); wc.style = CS_DBLCLKS; wc.lpfnWndProc = (WNDPROC)_framewndproc; wc.cbClsExtra = 0; wc.cbWndExtra = 32; wc.hbrBackground = (HBRUSH)GetSysColorBrush(COLOR_3DFACE); wc.hCursor = LoadCursor(NULL, IDC_ARROW); wc.lpszMenuName = NULL; wc.lpszClassName = FRAMECLASSNAME; RegisterClass(&wc); /* Create a set of brushes using the default OS/2 and DOS colors */ for(z=0;z<18;z++) _colors[z] = CreateSolidBrush(RGB(_red[z],_green[z],_blue[z])); /* Register an Object Windows class like OS/2 and Win2k+ * so similar functionality can be used on earlier releases * of Windows. */ memset(&wc, 0, sizeof(WNDCLASS)); wc.style = 0; wc.lpfnWndProc = (WNDPROC)_wndproc; wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hbrBackground = NULL; wc.hCursor = LoadCursor(NULL, IDC_ARROW); wc.lpszMenuName = NULL; wc.lpszClassName = ObjectClassName; RegisterClass(&wc); /* Since Windows 95/98/NT don't have a HWND_OBJECT class * also known as a input only window, I will create a * temporary window that isn't visible and really does nothing * except temporarily hold the child windows before they are * packed into their correct parent. */ DW_HWND_OBJECT = CreateWindow(ObjectClassName, "", 0, 0, 0, 0, 0, HWND_DESKTOP, NULL, DWInstance, NULL); if(!DW_HWND_OBJECT) { dw_messagebox("Dynamic Windows", "Could not initialize the object window. error code %d", GetLastError()); exit(1); } /* We need the version to check capability like up-down controls */ dwVersion = GetVersion(); dwComctlVer = GetDllVersion(TEXT("comctl32.dll")); for(z=0;z<THREAD_LIMIT;z++) { _foreground[z] = RGB(128,128,128); _background[z] = DW_RGB_TRANSPARENT; _hPen[z] = CreatePen(PS_SOLID, 1, _foreground[z]); _hBrush[z] = CreateSolidBrush(_foreground[z]); } return 0; } /* * Runs a message loop for Dynamic Windows. */ void API dw_main(void) { MSG msg; _dwtid = dw_thread_id(); while(GetMessage(&msg, NULL, 0, 0)) { if(msg.hwnd == NULL && msg.message == WM_TIMER) _wndproc(msg.hwnd, msg.message, msg.wParam, msg.lParam); TranslateMessage(&msg); DispatchMessage(&msg); } } /* * Runs a message loop for Dynamic Windows, for a period of milliseconds. * Parameters: * milliseconds: Number of milliseconds to run the loop for. */ void API dw_main_sleep(int milliseconds) { MSG msg; double start = (double)clock(); while(((clock() - start) / (CLOCKS_PER_SEC/1000)) <= milliseconds) { if(PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE)) { GetMessage(&msg, NULL, 0, 0); if(msg.hwnd == NULL && msg.message == WM_TIMER) _wndproc(msg.hwnd, msg.message, msg.wParam, msg.lParam); TranslateMessage(&msg); DispatchMessage(&msg); } else Sleep(1); } } /* * Processes a single message iteration and returns. */ void API dw_main_iteration(void) { MSG msg; _dwtid = dw_thread_id(); if(GetMessage(&msg, NULL, 0, 0)) { if(msg.hwnd == NULL && msg.message == WM_TIMER) _wndproc(msg.hwnd, msg.message, msg.wParam, msg.lParam); TranslateMessage(&msg); DispatchMessage(&msg); } } /* * Free's memory allocated by dynamic windows. * Parameters: * ptr: Pointer to dynamic windows allocated * memory to be free()'d. */ void API dw_free(void *ptr) { free(ptr); } /* * Allocates and initializes a dialog struct. * Parameters: * data: User defined data to be passed to functions. */ DWDialog * API dw_dialog_new(void *data) { DWDialog *tmp = malloc(sizeof(DWDialog)); tmp->eve = dw_event_new(); dw_event_reset(tmp->eve); tmp->data = data; tmp->done = FALSE; tmp->result = NULL; return tmp; } /* * Accepts a dialog struct and returns the given data to the * initial called of dw_dialog_wait(). * Parameters: * dialog: Pointer to a dialog struct aquired by dw_dialog_new). * result: Data to be returned by dw_dialog_wait(). */ int API dw_dialog_dismiss(DWDialog *dialog, void *result) { dialog->result = result; dw_event_post(dialog->eve); dialog->done = TRUE; return 0; } /* * Accepts a dialog struct waits for dw_dialog_dismiss() to be * called by a signal handler with the given dialog struct. * Parameters: * dialog: Pointer to a dialog struct aquired by dw_dialog_new). */ void * API dw_dialog_wait(DWDialog *dialog) { MSG msg; void *tmp; while (GetMessage(&msg,NULL,0,0)) { if(msg.hwnd == NULL && msg.message == WM_TIMER) _wndproc(msg.hwnd, msg.message, msg.wParam, msg.lParam); TranslateMessage(&msg); DispatchMessage(&msg); if(dialog->done) break; } dw_event_close(&dialog->eve); tmp = dialog->result; free(dialog); return tmp; } /* * Displays a Message Box with given text and title.. * Parameters: * title: The title of the message box. * format: printf style format string. * ...: Additional variables for use in the format. */ int API dw_messagebox(char *title, char *format, ...) { va_list args; char outbuf[256]; va_start(args, format); vsprintf(outbuf, format, args); va_end(args); MessageBox(HWND_DESKTOP, outbuf, title, MB_OK); return strlen(outbuf); } /* * Displays a Message Box with given text and title.. * Parameters: * title: The title of the message box. * text: The text to display in the box. * Returns: * True if YES False of NO. */ int API dw_yesno(char *title, char *text) { if(MessageBox(HWND_DESKTOP, text, title, MB_YESNO) == IDYES) return TRUE; return FALSE; } /* * Minimizes or Iconifies a top-level window. * Parameters: * handle: The window handle to minimize. */ int API dw_window_minimize(HWND handle) { return ShowWindow(handle, SW_MINIMIZE); } /* * Makes the window topmost. * Parameters: * handle: The window handle to make topmost. */ int API dw_window_raise(HWND handle) { return SetWindowPos(handle, HWND_TOP, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); } /* * Makes the window bottommost. * Parameters: * handle: The window handle to make bottommost. */ int API dw_window_lower(HWND handle) { return SetWindowPos(handle, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); } /* * Makes the window visible. * Parameters: * handle: The window handle to make visible. */ int API dw_window_show(HWND handle) { int rc = ShowWindow(handle, SW_SHOW); SetFocus(handle); _initial_focus(handle); return rc; } /* * Makes the window invisible. * Parameters: * handle: The window handle to make visible. */ int API dw_window_hide(HWND handle) { return ShowWindow(handle, SW_HIDE); } /* * Destroys a window and all of it's children. * Parameters: * handle: The window handle to destroy. */ int API dw_window_destroy(HWND handle) { HWND parent = GetParent(handle); Box *thisbox = (Box *)GetWindowLong(parent, GWL_USERDATA); if(parent != HWND_DESKTOP && thisbox && thisbox->count) { int z, index = -1; Item *tmpitem, *thisitem = thisbox->items; for(z=0;z<thisbox->count;z++) { if(thisitem[z].hwnd == handle) index = z; } if(index == -1) return 0; tmpitem = malloc(sizeof(Item)*(thisbox->count-1)); /* Copy all but the current entry to the new list */ for(z=0;z<index;z++) { tmpitem[z] = thisitem[z]; } for(z=index+1;z<thisbox->count;z++) { tmpitem[z-1] = thisitem[z]; } thisbox->items = tmpitem; free(thisitem); thisbox->count--; _free_window_memory(handle, 0); EnumChildWindows(handle, _free_window_memory, 0); } return DestroyWindow(handle); } /* Causes entire window to be invalidated and redrawn. * Parameters: * handle: Toplevel window handle to be redrawn. */ void API dw_window_redraw(HWND handle) { Box *mybox = (Box *)GetWindowLong(handle, GWL_USERDATA); if(mybox) { RECT rect; int istoplevel = (GetParent(handle) == HWND_DESKTOP); GetClientRect(handle, &rect); ShowWindow(istoplevel ? mybox->items[0].hwnd : handle, SW_HIDE); _do_resize(mybox, rect.right - rect.left, rect.bottom - rect.top); ShowWindow(istoplevel ? mybox->items[0].hwnd : handle, SW_SHOW); } } /* * Changes a window's parent to newparent. * Parameters: * handle: The window handle to destroy. * newparent: The window's new parent window. */ void API dw_window_reparent(HWND handle, HWND newparent) { SetParent(handle, newparent); } HFONT _acquire_font(HWND handle, char *fontname) { HFONT hfont; int z, size = 9; LOGFONT lf; if(fontname == DefaultFont || !fontname[0]) hfont = GetStockObject(DEFAULT_GUI_FONT); else { #if 0 HDC hDC = GetDC(handle); #endif for(z=0;z<strlen(fontname);z++) { if(fontname[z]=='.') break; } size = atoi(fontname) + 5; #if 0 lf.lfHeight = -MulDiv(size, GetDeviceCaps(hDC, LOGPIXELSY), 72); #endif lf.lfHeight = size; lf.lfWidth = 0; lf.lfEscapement = 0; lf.lfOrientation = 0; lf.lfItalic = 0; lf.lfUnderline = 0; lf.lfStrikeOut = 0; lf.lfWeight = FW_NORMAL; lf.lfCharSet = DEFAULT_CHARSET; lf.lfOutPrecision = 0; lf.lfClipPrecision = 0; lf.lfQuality = DEFAULT_QUALITY; lf.lfPitchAndFamily = DEFAULT_PITCH | FW_DONTCARE; strcpy(lf.lfFaceName, &fontname[z+1]); hfont = CreateFontIndirect(&lf); #if 0 ReleaseDC(handle, hDC); #endif } return hfont; } /* * Sets the font used by a specified window (widget) handle. * Parameters: * handle: The window (widget) handle. * fontname: Name and size of the font in the form "size.fontname" */ int API dw_window_set_font(HWND handle, char *fontname) { HFONT oldfont = (HFONT)SendMessage(handle, WM_GETFONT, 0, 0); HFONT hfont = _acquire_font(handle, fontname); ColorInfo *cinfo; cinfo = (ColorInfo *)GetWindowLong(handle, GWL_USERDATA); if(fontname) { if(cinfo) { strcpy(cinfo->fontname, fontname); } else { cinfo = calloc(1, sizeof(ColorInfo)); cinfo->fore = cinfo->back = -1; strcpy(cinfo->fontname, fontname); cinfo->pOldProc = SubclassWindow(handle, _colorwndproc); SetWindowLong(handle, GWL_USERDATA, (ULONG)cinfo); } } SendMessage(handle, WM_SETFONT, (WPARAM)hfont, (LPARAM)TRUE); if(oldfont) DeleteObject(oldfont); return 0; } /* * Sets the colors used by a specified window (widget) handle. * Parameters: * handle: The window (widget) handle. * fore: Foreground color in RGB format. * back: Background color in RGB format. */ int API dw_window_set_color(HWND handle, ULONG fore, ULONG back) { ColorInfo *cinfo; char tmpbuf[100]; cinfo = (ColorInfo *)GetWindowLong(handle, GWL_USERDATA); GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, WC_LISTVIEW, strlen(WC_LISTVIEW))==0) { fore = _internal_color(fore); back = _internal_color(back); ListView_SetTextColor(handle, RGB(DW_RED_VALUE(fore), DW_GREEN_VALUE(fore), DW_BLUE_VALUE(fore))); ListView_SetTextBkColor(handle, RGB(DW_RED_VALUE(back), DW_GREEN_VALUE(back), DW_BLUE_VALUE(back))); ListView_SetBkColor(handle, RGB(DW_RED_VALUE(back), DW_GREEN_VALUE(back), DW_BLUE_VALUE(back))); InvalidateRgn(handle, NULL, TRUE); return TRUE; } if(cinfo) { cinfo->fore = fore; cinfo->back = back; } else { cinfo = calloc(1, sizeof(ColorInfo)); cinfo->fore = fore; cinfo->back = back; cinfo->pOldProc = SubclassWindow(handle, _colorwndproc); SetWindowLong(handle, GWL_USERDATA, (ULONG)cinfo); } InvalidateRgn(handle, NULL, TRUE); return TRUE; } /* * Sets the font used by a specified window (widget) handle. * Parameters: * handle: The window (widget) handle. * border: Size of the window border in pixels. */ int API dw_window_set_border(HWND handle, int border) { return 0; } /* * Captures the mouse input to this window. * Parameters: * handle: Handle to receive mouse input. */ void API dw_window_capture(HWND handle) { SetCapture(handle); } /* * Releases previous mouse capture. */ void API dw_window_release(void) { ReleaseCapture(); } /* * Changes the appearance of the mouse pointer. * Parameters: * handle: Handle to widget for which to change. * cursortype: ID of the pointer you want. */ void API dw_window_pointer(HWND handle, int pointertype) { SetCursor(pointertype < 65536 ? LoadCursor(NULL, MAKEINTRESOURCE(pointertype)) : (HCURSOR)pointertype); } /* * Create a new Window Frame. * Parameters: * owner: The Owner's window handle or HWND_DESKTOP. * title: The Window title. * flStyle: Style flags, see the DW reference. */ HWND API dw_window_new(HWND hwndOwner, char *title, ULONG flStyle) { HWND hwndframe; Box *newbox = calloc(sizeof(Box), 1); ULONG flStyleEx = 0; newbox->pad = 0; newbox->type = DW_VERT; newbox->count = 0; newbox->cinfo.fore = newbox->cinfo.back = -1; if(hwndOwner) flStyleEx |= WS_EX_MDICHILD; if(!(flStyle & WS_CAPTION)) flStyle |= WS_POPUPWINDOW; if(flStyle & DW_FCF_TASKLIST) { ULONG newflags = (flStyle | WS_CLIPCHILDREN) & ~DW_FCF_TASKLIST; hwndframe = CreateWindowEx(flStyleEx, ClassName, title, newflags, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, hwndOwner, NULL, DWInstance, NULL); } else { flStyleEx |= WS_EX_TOOLWINDOW; hwndframe = CreateWindowEx(flStyleEx, ClassName, title, flStyle | WS_CLIPCHILDREN, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, hwndOwner, NULL, DWInstance, NULL); } SetWindowLong(hwndframe, GWL_USERDATA, (ULONG)newbox); #if 0 if(hwndOwner) SetParent(hwndframe, hwndOwner); #endif return hwndframe; } /* * Create a new Box to be packed. * Parameters: * type: Either DW_VERT (vertical) or DW_HORZ (horizontal). * pad: Number of pixels to pad around the box. */ HWND API dw_box_new(int type, int pad) { Box *newbox = calloc(sizeof(Box), 1); HWND hwndframe; newbox->pad = pad; newbox->type = type; newbox->count = 0; newbox->grouphwnd = (HWND)NULL; newbox->cinfo.fore = newbox->cinfo.back = -1; hwndframe = CreateWindow(FRAMECLASSNAME, "", WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, NULL, DWInstance, NULL); newbox->cinfo.pOldProc = SubclassWindow(hwndframe, _colorwndproc); newbox->cinfo.fore = newbox->cinfo.back = -1; SetWindowLong(hwndframe, GWL_USERDATA, (ULONG)newbox); return hwndframe; } /* * Create a new Group Box to be packed. * Parameters: * type: Either DW_VERT (vertical) or DW_HORZ (horizontal). * pad: Number of pixels to pad around the box. * title: Text to be displayined in the group outline. */ HWND API dw_groupbox_new(int type, int pad, char *title) { Box *newbox = calloc(sizeof(Box), 1); HWND hwndframe; newbox->pad = pad; newbox->type = type; newbox->count = 0; newbox->cinfo.fore = newbox->cinfo.back = -1; hwndframe = CreateWindow(FRAMECLASSNAME, "", WS_VISIBLE | WS_CHILD, 0,0,2000,1000, DW_HWND_OBJECT, NULL, DWInstance, NULL); newbox->grouphwnd = CreateWindow(BUTTONCLASSNAME, title, WS_CHILD | BS_GROUPBOX | WS_VISIBLE | WS_CLIPCHILDREN, 0,0,2000,1000, hwndframe, NULL, DWInstance, NULL); SetWindowLong(hwndframe, GWL_USERDATA, (ULONG)newbox); dw_window_set_font(newbox->grouphwnd, DefaultFont); return hwndframe; } /* * Create a new MDI Frame to be packed. * Parameters: * id: An ID to be used with dw_window_from_id or 0L. */ HWND API dw_mdi_new(unsigned long id) { CLIENTCREATESTRUCT ccs; HWND hwndframe; ccs.hWindowMenu = NULL; ccs.idFirstChild = 0; hwndframe = CreateWindow("MDICLIENT", "", WS_VISIBLE | WS_CHILD | WS_CLIPSIBLINGS, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, &ccs); return hwndframe; } /* * Create a bitmap object to be packed. * Parameters: * id: An ID to be used with dw_window_from_id or 0L. */ HWND API dw_bitmap_new(ULONG id) { return CreateWindow(STATICCLASSNAME, "", SS_BITMAP | WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); } /* * Create a notebook object to be packed. * Parameters: * id: An ID to be used for getting the resource from the * resource file. */ HWND API dw_notebook_new(ULONG id, int top) { ULONG flags = 0; HWND tmp; NotebookPage **array = calloc(256, sizeof(NotebookPage *)); if(!top) flags = TCS_BOTTOM; tmp = CreateWindow(WC_TABCONTROL, "", WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); dw_window_set_data(tmp, "_dw_array", (void *)array); dw_window_set_font(tmp, DefaultFont); return tmp; } /* * Create a menu object to be popped up. * Parameters: * id: An ID to be used for getting the resource from the * resource file. */ HMENUI API dw_menu_new(ULONG id) { return (HMENUI)CreatePopupMenu(); } /* * Create a menubar on a window. * Parameters: * location: Handle of a window frame to be attached to. */ HMENUI API dw_menubar_new(HWND location) { HMENUI tmp; tmp = (HMENUI)CreateMenu(); dw_window_set_data(location, "_dw_menu", (void *)tmp); SetMenu(location, (HMENU)tmp); return location; } /* * Destroys a menu created with dw_menubar_new or dw_menu_new. * Parameters: * menu: Handle of a menu. */ void API dw_menu_destroy(HMENUI *menu) { if(menu) { HMENU mymenu = (HMENU)*menu; if(IsWindow((HWND)mymenu) && !IsMenu(mymenu)) mymenu = (HMENU)dw_window_get_data((HWND)mymenu, "_dw_menu"); if(IsMenu(mymenu)) DestroyMenu(mymenu); } } /* * Adds a menuitem or submenu to an existing menu. * Parameters: * menu: The handle the the existing menu. * title: The title text on the menu item to be added. * id: An ID to be used for message passing. * end: If TRUE memu is positioned at the end of the menu. * check: If TRUE menu is "check"able. * flags: Extended attributes to set on the menu. * submenu: Handle to an existing menu to be a submenu or NULL. */ HWND API dw_menu_append_item(HMENUI menux, char *title, ULONG id, ULONG flags, int end, int check, HMENUI submenu) { MENUITEMINFO mii; HMENU mymenu = (HMENU)menux; if(IsWindow(menux) && !IsMenu(mymenu)) mymenu = (HMENU)dw_window_get_data(menux, "_dw_menu"); mii.cbSize = sizeof(MENUITEMINFO); mii.fMask = MIIM_ID | MIIM_SUBMENU | MIIM_TYPE; /* Convert from OS/2 style accellerators to Win32 style */ if(title) { char *tmp = title; while(*tmp) { if(*tmp == '~') *tmp = '&'; tmp++; } } if(title && *title) mii.fType = MFT_STRING; else mii.fType = MFT_SEPARATOR; mii.wID = id; if(IsMenu((HMENU)submenu)) mii.hSubMenu = (HMENU)submenu; else mii.hSubMenu = 0; mii.dwTypeData = title; mii.cch = strlen(title); InsertMenuItem(mymenu, 65535, TRUE, &mii); if(IsWindow(menux) && !IsMenu((HMENU)menux)) DrawMenuBar(menux); return (HWND)id; } /* * Sets the state of a menu item check. * Parameters: * menu: The handle the the existing menu. * id: Menuitem id. * check: TRUE for checked FALSE for not checked. */ void API dw_menu_item_set_check(HMENUI menux, unsigned long id, int check) { MENUITEMINFO mii; HMENU mymenu = (HMENU)menux; if(IsWindow(menux) && !IsMenu(mymenu)) mymenu = (HMENU)dw_window_get_data(menux, "_dw_menu"); mii.cbSize = sizeof(MENUITEMINFO); mii.fMask = MIIM_STATE; if(check) mii.fState = MFS_CHECKED; else mii.fState = MFS_UNCHECKED; SetMenuItemInfo(mymenu, id, FALSE, &mii); } /* * Pops up a context menu at given x and y coordinates. * Parameters: * menu: The handle the the existing menu. * parent: Handle to the window initiating the popup. * x: X coordinate. * y: Y coordinate. */ void API dw_menu_popup(HMENUI *menu, HWND parent, int x, int y) { if(menu) { HMENU mymenu = (HMENU)*menu; if(IsWindow(*menu) && !IsMenu(mymenu)) mymenu = (HMENU)dw_window_get_data(*menu, "_dw_menu"); popup = parent; TrackPopupMenu(mymenu, 0, x, y, 0, parent, NULL); DestroyMenu(mymenu); } } /* * Create a container object to be packed. * Parameters: * id: An ID to be used for getting the resource from the * resource file. */ HWND API dw_container_new(ULONG id, int multi) { HWND tmp = CreateWindow(WC_LISTVIEW, "", WS_VISIBLE | WS_CHILD | (multi ? 0 : LVS_SINGLESEL) | LVS_REPORT | LVS_SHOWSELALWAYS | LVS_SHAREIMAGELISTS | WS_BORDER | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); ContainerInfo *cinfo = (ContainerInfo *)calloc(1, sizeof(ContainerInfo)); if(!cinfo) { DestroyWindow(tmp); return NULL; } cinfo->pOldProc = (WNDPROC)SubclassWindow(tmp, _containerwndproc); cinfo->cinfo.fore = cinfo->cinfo.back = -1; SetWindowLong(tmp, GWL_USERDATA, (ULONG)cinfo); dw_window_set_font(tmp, DefaultFont); return tmp; } /* * Create a tree object to be packed. * Parameters: * id: An ID to be used for getting the resource from the * resource file. */ HWND API dw_tree_new(ULONG id) { HWND tmp = CreateWindow(WC_TREEVIEW, "", WS_VISIBLE | WS_CHILD | TVS_HASLINES | TVS_SHOWSELALWAYS | TVS_HASBUTTONS | TVS_LINESATROOT | WS_BORDER | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); ContainerInfo *cinfo = (ContainerInfo *)calloc(1, sizeof(ContainerInfo)); TreeView_SetItemHeight(tmp, 16); if(!cinfo) { DestroyWindow(tmp); return NULL; } cinfo->pOldProc = (WNDPROC)SubclassWindow(tmp, _treewndproc); cinfo->cinfo.fore = cinfo->cinfo.back = -1; SetWindowLong(tmp, GWL_USERDATA, (ULONG)cinfo); dw_window_set_font(tmp, DefaultFont); return tmp; } /* * Returns the current X and Y coordinates of the mouse pointer. * Parameters: * x: Pointer to variable to store X coordinate. * y: Pointer to variable to store Y coordinate. */ void API dw_pointer_query_pos(long *x, long *y) { POINT ptl; GetCursorPos(&ptl); if(x && y) { *x = ptl.x; *y = ptl.y; } } /* * Sets the X and Y coordinates of the mouse pointer. * Parameters: * x: X coordinate. * y: Y coordinate. */ void API dw_pointer_set_pos(long x, long y) { SetCursorPos(x, y); } /* * Create a new static text window (widget) to be packed. * Parameters: * text: The text to be display by the static text widget. * id: An ID to be used with dw_window_from_id() or 0L. */ HWND API dw_text_new(char *text, ULONG id) { HWND tmp = CreateWindow(STATICCLASSNAME, text, BS_TEXT | WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); dw_window_set_font(tmp, DefaultFont); return tmp; } /* * Create a new status text window (widget) to be packed. * Parameters: * text: The text to be display by the static text widget. * id: An ID to be used with dw_window_from_id() or 0L. */ HWND API dw_status_text_new(char *text, ULONG id) { HWND tmp = CreateWindow(ObjectClassName, text, BS_TEXT | WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); dw_window_set_font(tmp, DefaultFont); SubclassWindow(tmp, _statuswndproc); return tmp; } /* * Create a new Multiline Editbox window (widget) to be packed. * Parameters: * id: An ID to be used with dw_window_from_id() or 0L. */ HWND API dw_mle_new(ULONG id) { HWND tmp = CreateWindowEx(WS_EX_CLIENTEDGE, EDITCLASSNAME, "", WS_VISIBLE | WS_BORDER | WS_VSCROLL | ES_MULTILINE | ES_WANTRETURN | WS_CHILD | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); ContainerInfo *cinfo = (ContainerInfo *)calloc(1, sizeof(ContainerInfo)); if(!cinfo) { DestroyWindow(tmp); return NULL; } cinfo->pOldProc = (WNDPROC)SubclassWindow(tmp, _treewndproc); cinfo->cinfo.fore = cinfo->cinfo.back = -1; SetWindowLong(tmp, GWL_USERDATA, (ULONG)cinfo); dw_window_set_font(tmp, DefaultFont); return tmp; } /* * Create a new Entryfield window (widget) to be packed. * Parameters: * text: The default text to be in the entryfield widget. * id: An ID to be used with dw_window_from_id() or 0L. */ HWND API dw_entryfield_new(char *text, ULONG id) { HWND tmp = CreateWindowEx(WS_EX_CLIENTEDGE, EDITCLASSNAME, text, ES_WANTRETURN | WS_CHILD | WS_BORDER | ES_AUTOHSCROLL | WS_VISIBLE | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); ColorInfo *cinfo = calloc(1, sizeof(ColorInfo)); cinfo->back = cinfo->fore = -1; cinfo->pOldProc = SubclassWindow(tmp, _colorwndproc); SetWindowLong(tmp, GWL_USERDATA, (ULONG)cinfo); dw_window_set_font(tmp, DefaultFont); return tmp; } /* * Create a new Entryfield passwird window (widget) to be packed. * Parameters: * text: The default text to be in the entryfield widget. * id: An ID to be used with dw_window_from_id() or 0L. */ HWND API dw_entryfield_password_new(char *text, ULONG id) { HWND tmp = CreateWindowEx(WS_EX_CLIENTEDGE, EDITCLASSNAME, text, ES_WANTRETURN | WS_CHILD | ES_PASSWORD | WS_BORDER | WS_VISIBLE | ES_AUTOHSCROLL | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); ColorInfo *cinfo = calloc(1, sizeof(ColorInfo)); cinfo->back = cinfo->fore = -1; cinfo->pOldProc = SubclassWindow(tmp, _colorwndproc); SetWindowLong(tmp, GWL_USERDATA, (ULONG)cinfo); dw_window_set_font(tmp, DefaultFont); return tmp; } BOOL CALLBACK _subclass_child(HWND handle, LPARAM lp) { ColorInfo *cinfo = (ColorInfo *)lp; if(cinfo) { cinfo->buddy = handle; cinfo->pOldProc = (WNDPROC)SubclassWindow(handle, _colorwndproc); SetWindowLong(handle, GWL_USERDATA, (ULONG)cinfo); } return FALSE; } /* * Create a new Combobox window (widget) to be packed. * Parameters: * text: The default text to be in the combpbox widget. * id: An ID to be used with dw_window_from_id() or 0L. */ HWND API dw_combobox_new(char *text, ULONG id) { HWND tmp = CreateWindow(COMBOBOXCLASSNAME, text, WS_CHILD | CBS_DROPDOWN | WS_VSCROLL | WS_CLIPCHILDREN | CBS_AUTOHSCROLL | WS_VISIBLE, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); ColorInfo *cinfo = (ColorInfo *)calloc(1, sizeof(ColorInfo)); ColorInfo *cinfo2 = (ColorInfo *)calloc(1, sizeof(ColorInfo)); if(!cinfo || !cinfo2) { if(cinfo) free(cinfo); if(cinfo2) free(cinfo2); DestroyWindow(tmp); return NULL; } cinfo2->fore = cinfo->fore = -1; cinfo2->back = cinfo->back = -1; cinfo2->combo = cinfo->combo = tmp; EnumChildWindows(tmp, _subclass_child, (LPARAM)cinfo2); SetWindowLong(tmp, GWL_USERDATA, (ULONG)cinfo); dw_window_set_font(tmp, DefaultFont); return tmp; } /* * Create a new button window (widget) to be packed. * Parameters: * text: The text to be display by the static text widget. * id: An ID to be used with dw_window_from_id() or 0L. */ HWND API dw_button_new(char *text, ULONG id) { BubbleButton *bubble = calloc(1, sizeof(BubbleButton)); HWND tmp = CreateWindow(BUTTONCLASSNAME, text, WS_CHILD | BS_PUSHBUTTON | WS_VISIBLE | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); bubble->id = id; bubble->bubbletext[0] = '\0'; bubble->pOldProc = (WNDPROC)SubclassWindow(tmp, _BtProc); SetWindowLong(tmp, GWL_USERDATA, (ULONG)bubble); dw_window_set_font(tmp, DefaultFont); return tmp; } /* * Create a new bitmap button window (widget) to be packed. * Parameters: * text: Bubble help text to be displayed. * id: An ID of a bitmap in the resource file. */ HWND API dw_bitmapbutton_new(char *text, ULONG id) { HWND tmp; BubbleButton *bubble = calloc(1, sizeof(BubbleButton)); HBITMAP hbitmap = LoadBitmap(DWInstance, MAKEINTRESOURCE(id)); tmp = CreateWindow(BUTTONCLASSNAME, "", WS_CHILD | BS_PUSHBUTTON | BS_BITMAP | WS_CLIPCHILDREN | WS_VISIBLE, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); bubble->id = id; strncpy(bubble->bubbletext, text, BUBBLE_HELP_MAX - 1); bubble->bubbletext[BUBBLE_HELP_MAX - 1] = '\0'; bubble->pOldProc = (WNDPROC)SubclassWindow(tmp, _BtProc); SetWindowLong(tmp, GWL_USERDATA, (ULONG)bubble); SendMessage(tmp, BM_SETIMAGE, (WPARAM) IMAGE_BITMAP, (LPARAM) hbitmap); return tmp; } /* * Create a new bitmap button window (widget) to be packed from a file. * Parameters: * text: Bubble help text to be displayed. * id: An ID to be used with dw_window_from_id() or 0L. * filename: Name of the file, omit extention to have * DW pick the appropriate file extension. * (BMP on OS/2 or Windows, XPM on Unix) */ HWND dw_bitmapbutton_new_from_file(char *text, unsigned long id, char *filename) { HWND tmp; BubbleButton *bubble; HBITMAP hbitmap = 0; char *file = malloc(strlen(filename) + 5); if(!file || !(bubble = calloc(1, sizeof(BubbleButton)))) { if(file) free(file); return 0; } tmp = CreateWindow(BUTTONCLASSNAME, "", WS_CHILD | BS_PUSHBUTTON | BS_BITMAP | WS_CLIPCHILDREN | WS_VISIBLE, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); bubble->id = id; strncpy(bubble->bubbletext, text, BUBBLE_HELP_MAX - 1); bubble->bubbletext[BUBBLE_HELP_MAX - 1] = '\0'; bubble->pOldProc = (WNDPROC)SubclassWindow(tmp, _BtProc); SetWindowLong(tmp, GWL_USERDATA, (ULONG)bubble); strcpy(file, filename); /* check if we can read from this file (it exists and read permission) */ if(access(file, 04) == 0) hbitmap = (HBITMAP)LoadImage(NULL, file, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE); else { /* Try with .bmp extention */ strcat(file, ".bmp"); if(access(file, 04) == 0) hbitmap = (HBITMAP)LoadImage(NULL, file, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE); } if(hbitmap) SendMessage(tmp, BM_SETIMAGE, (WPARAM) IMAGE_BITMAP, (LPARAM) hbitmap); free(file); return tmp; } /* * Create a new spinbutton window (widget) to be packed. * Parameters: * text: The text to be display by the static text widget. * id: An ID to be used with dw_window_from_id() or 0L. */ HWND API dw_spinbutton_new(char *text, ULONG id) { ULONG *data = malloc(sizeof(ULONG)); HWND buddy = CreateWindowEx(WS_EX_CLIENTEDGE, EDITCLASSNAME, text, WS_CHILD | WS_BORDER | WS_VISIBLE | ES_NUMBER | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, NULL, DWInstance, NULL); HWND tmp = CreateWindowEx(WS_EX_CLIENTEDGE, UPDOWN_CLASS, NULL, WS_CHILD | UDS_ALIGNRIGHT | WS_BORDER | UDS_ARROWKEYS | UDS_SETBUDDYINT | UDS_WRAP | UDS_NOTHOUSANDS | WS_VISIBLE, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); ColorInfo *cinfo = calloc(1, sizeof(ColorInfo)); SendMessage(tmp, UDM_SETBUDDY, (WPARAM)buddy, 0); cinfo->back = cinfo->fore = -1; cinfo->buddy = tmp; cinfo->pOldProc = SubclassWindow(buddy, _colorwndproc); SetWindowLong(buddy, GWL_USERDATA, (ULONG)cinfo); cinfo = calloc(1, sizeof(ColorInfo)); cinfo->buddy = buddy; cinfo->pOldProc = SubclassWindow(tmp, _spinnerwndproc); SetWindowLong(tmp, GWL_USERDATA, (ULONG)cinfo); dw_window_set_font(buddy, DefaultFont); return tmp; } /* * Create a new radiobutton window (widget) to be packed. * Parameters: * text: The text to be display by the static text widget. * id: An ID to be used with dw_window_from_id() or 0L. */ HWND API dw_radiobutton_new(char *text, ULONG id) { HWND tmp = CreateWindow(BUTTONCLASSNAME, text, WS_CHILD | BS_AUTORADIOBUTTON | WS_CLIPCHILDREN | WS_VISIBLE, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); BubbleButton *bubble = calloc(1, sizeof(BubbleButton)); bubble->id = id; bubble->pOldProc = (WNDPROC)SubclassWindow(tmp, _BtProc); bubble->cinfo.fore = -1; bubble->cinfo.back = -1; SetWindowLong(tmp, GWL_USERDATA, (ULONG)bubble); dw_window_set_font(tmp, DefaultFont); return tmp; } /* * Create a new slider window (widget) to be packed. * Parameters: * vertical: TRUE or FALSE if slider is vertical. * increments: Number of increments available. * id: An ID to be used with dw_window_from_id() or 0L. */ HWND API dw_slider_new(int vertical, int increments, ULONG id) { HWND tmp = CreateWindow(TRACKBAR_CLASS, "", WS_CHILD | WS_CLIPCHILDREN | WS_VISIBLE | (vertical ? TBS_VERT : TBS_HORZ), 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); ColorInfo *cinfo = calloc(1, sizeof(ColorInfo)); cinfo->back = cinfo->fore = -1; cinfo->pOldProc = SubclassWindow(tmp, _colorwndproc); SetWindowLong(tmp, GWL_USERDATA, (ULONG)cinfo); SendMessage(tmp, TBM_SETRANGE, (WPARAM)FALSE, (LPARAM)MAKELONG(0, increments-1)); return tmp; } /* * Create a new scrollbar window (widget) to be packed. * Parameters: * vertical: TRUE or FALSE if scrollbar is vertical. * increments: Number of increments available. * id: An ID to be used with dw_window_from_id() or 0L. */ HWND API dw_scrollbar_new(int vertical, int increments, ULONG id) { HWND tmp = CreateWindow(SCROLLBARCLASSNAME, "", WS_CHILD | WS_CLIPCHILDREN | WS_VISIBLE | (vertical ? SBS_VERT : SBS_HORZ), 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); ColorInfo *cinfo = calloc(1, sizeof(ColorInfo)); cinfo->back = cinfo->fore = -1; cinfo->pOldProc = SubclassWindow(tmp, _colorwndproc); SetWindowLong(tmp, GWL_USERDATA, (ULONG)cinfo); dw_window_set_data(tmp, "_dw_scrollbar", (void *)1); return tmp; } /* * Create a new percent bar window (widget) to be packed. * Parameters: * id: An ID to be used with dw_window_from_id() or 0L. */ HWND API dw_percent_new(ULONG id) { return CreateWindow(PROGRESS_CLASS, "", WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); } /* * Create a new checkbox window (widget) to be packed. * Parameters: * text: The text to be display by the static text widget. * id: An ID to be used with dw_window_from_id() or 0L. */ HWND API dw_checkbox_new(char *text, ULONG id) { BubbleButton *bubble = calloc(1, sizeof(BubbleButton)); HWND tmp = CreateWindow(BUTTONCLASSNAME, text, WS_CHILD | BS_AUTOCHECKBOX | BS_TEXT | WS_CLIPCHILDREN | WS_VISIBLE, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); bubble->id = id; bubble->checkbox = 1; bubble->pOldProc = (WNDPROC)SubclassWindow(tmp, _BtProc); bubble->cinfo.fore = -1; bubble->cinfo.back = -1; SetWindowLong(tmp, GWL_USERDATA, (ULONG)bubble); dw_window_set_font(tmp, DefaultFont); return tmp; } /* * Create a new listbox window (widget) to be packed. * Parameters: * id: An ID to be used with dw_window_from_id() or 0L. * multi: Multiple select TRUE or FALSE. */ HWND API dw_listbox_new(ULONG id, int multi) { HWND tmp = CreateWindowEx(WS_EX_CLIENTEDGE, LISTBOXCLASSNAME, "", WS_VISIBLE | LBS_NOINTEGRALHEIGHT | WS_CHILD | LBS_HASSTRINGS | LBS_NOTIFY | WS_BORDER | WS_CLIPCHILDREN | WS_VSCROLL | (multi ? LBS_MULTIPLESEL : 0) , 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); ContainerInfo *cinfo = (ContainerInfo *)calloc(1, sizeof(ContainerInfo)); if(!cinfo) { DestroyWindow(tmp); return NULL; } cinfo->cinfo.fore = -1; cinfo->cinfo.back = -1; cinfo->pOldProc = (WNDPROC)SubclassWindow(tmp, _containerwndproc); SetWindowLong(tmp, GWL_USERDATA, (ULONG)cinfo); dw_window_set_font(tmp, DefaultFont); return tmp; } /* * Sets the icon used for a given window. * Parameters: * handle: Handle to the window. * id: An ID to be used to specify the icon. */ void API dw_window_set_icon(HWND handle, ULONG id) { HICON hicon = id < 65536 ? LoadIcon(DWInstance, MAKEINTRESOURCE(id)) : (HICON)id; SendMessage(handle, WM_SETICON, (WPARAM) IMAGE_ICON, (LPARAM) hicon); } /* * Sets the bitmap used for a given static window. * Parameters: * handle: Handle to the window. * id: An ID to be used to specify the icon, * (pass 0 if you use the filename param) * filename: a path to a file (Bitmap on OS/2 or * Windows and a pixmap on Unix, pass * NULL if you use the id param) */ void API dw_window_set_bitmap(HWND handle, unsigned long id, char *filename) { HBITMAP hbitmap; HBITMAP oldbitmap = (HBITMAP)SendMessage(handle, STM_GETIMAGE, IMAGE_BITMAP, 0); if(id) hbitmap = LoadBitmap(DWInstance, MAKEINTRESOURCE(id)); else if(filename) { char *file = malloc(strlen(filename) + 5); if (!file) return; strcpy(file, filename); /* check if we can read from this file (it exists and read permission) */ if(access(file, 04) != 0) { /* Try with .bmp extention */ strcat(file, ".bmp"); if(access(file, 04) != 0) { free(file); return; } } hbitmap = (HBITMAP)LoadImage(NULL, file, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE); free(file); } else return; SendMessage(handle, STM_SETIMAGE, (WPARAM) IMAGE_BITMAP, (LPARAM) hbitmap); if(oldbitmap) DeleteObject(oldbitmap); } /* * Sets the text used for a given window. * Parameters: * handle: Handle to the window. * text: The text associsated with a given window. */ void API dw_window_set_text(HWND handle, char *text) { char tmpbuf[100]; GetClassName(handle, tmpbuf, 99); SetWindowText(handle, text); /* Combobox */ if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1)==0) SendMessage(handle, CB_SETEDITSEL, 0, MAKELPARAM(-1, 0)); } /* * Gets the text used for a given window. * Parameters: * handle: Handle to the window. * Returns: * text: The text associsated with a given window. */ char * API dw_window_get_text(HWND handle) { int len = GetWindowTextLength(handle); char *tempbuf = calloc(1, len + 2); GetWindowText(handle, tempbuf, len + 1); return tempbuf; } /* * Disables given window (widget). * Parameters: * handle: Handle to the window. */ void API dw_window_disable(HWND handle) { EnableWindow(handle, FALSE); } /* * Enables given window (widget). * Parameters: * handle: Handle to the window. */ void API dw_window_enable(HWND handle) { EnableWindow(handle, TRUE); } static HWND _dw_wfid_hwnd = NULL; BOOL CALLBACK _wfid(HWND handle, LPARAM lParam) { if(GetWindowLong(handle, GWL_ID) == lParam) { _dw_wfid_hwnd = handle; return FALSE; } return TRUE; } /* * Gets the child window handle with specified ID. * Parameters: * handle: Handle to the parent window. * id: Integer ID of the child. */ HWND API dw_window_from_id(HWND handle, int id) { _dw_wfid_hwnd = NULL; EnumChildWindows(handle, _wfid, (LPARAM)id); return _dw_wfid_hwnd; } /* * Pack windows (widgets) into a box from the start (or top). * Parameters: * box: Window handle of the box to be packed into. * item: Window handle of the item to be back. * width: Width in pixels of the item or -1 to be self determined. * height: Height in pixels of the item or -1 to be self determined. * hsize: TRUE if the window (widget) should expand horizontally to fill space given. * vsize: TRUE if the window (widget) should expand vertically to fill space given. * pad: Number of pixels of padding around the item. */ void API dw_box_pack_start(HWND box, HWND item, int width, int height, int hsize, int vsize, int pad) { Box *thisbox; thisbox = (Box *)GetWindowLong(box, GWL_USERDATA); if(thisbox) { int z; Item *tmpitem, *thisitem = thisbox->items; char tmpbuf[100]; tmpitem = malloc(sizeof(Item)*(thisbox->count+1)); for(z=0;z<thisbox->count;z++) { tmpitem[z] = thisitem[z]; } GetClassName(item, tmpbuf, 99); if(vsize && !height) height = 1; if(hsize && !width) width = 1; if(strnicmp(tmpbuf, FRAMECLASSNAME, 2)==0) tmpitem[thisbox->count].type = TYPEBOX; else tmpitem[thisbox->count].type = TYPEITEM; tmpitem[thisbox->count].hwnd = item; tmpitem[thisbox->count].origwidth = tmpitem[thisbox->count].width = width; tmpitem[thisbox->count].origheight = tmpitem[thisbox->count].height = height; tmpitem[thisbox->count].pad = pad; if(hsize) tmpitem[thisbox->count].hsize = SIZEEXPAND; else tmpitem[thisbox->count].hsize = SIZESTATIC; if(vsize) tmpitem[thisbox->count].vsize = SIZEEXPAND; else tmpitem[thisbox->count].vsize = SIZESTATIC; thisbox->items = tmpitem; if(thisbox->count) free(thisitem); thisbox->count++; SetParent(item, box); if(strncmp(tmpbuf, UPDOWN_CLASS, strlen(UPDOWN_CLASS))==0) { ColorInfo *cinfo = (ColorInfo *)GetWindowLong(item, GWL_USERDATA); if(cinfo) { SetParent(cinfo->buddy, box); ShowWindow(cinfo->buddy, SW_SHOW); SendMessage(item, UDM_SETBUDDY, (WPARAM)cinfo->buddy, 0); } } } } /* * Sets the size of a given window (widget). * Parameters: * handle: Window (widget) handle. * width: New width in pixels. * height: New height in pixels. */ void API dw_window_set_usize(HWND handle, ULONG width, ULONG height) { SetWindowPos(handle, (HWND)NULL, 0, 0, width, height, SWP_SHOWWINDOW | SWP_NOZORDER | SWP_NOMOVE); } /* * Returns the width of the screen. */ int API dw_screen_width(void) { return GetSystemMetrics(SM_CXSCREEN); } /* * Returns the height of the screen. */ int API dw_screen_height(void) { return GetSystemMetrics(SM_CYSCREEN); } /* This should return the current color depth */ unsigned long API dw_color_depth(void) { int bpp; HDC hdc = GetDC(HWND_DESKTOP); bpp = GetDeviceCaps(hdc, BITSPIXEL); ReleaseDC(HWND_DESKTOP, hdc); return bpp; } /* * Sets the position of a given window (widget). * Parameters: * handle: Window (widget) handle. * x: X location from the bottom left. * y: Y location from the bottom left. */ void API dw_window_set_pos(HWND handle, ULONG x, ULONG y) { SetWindowPos(handle, (HWND)NULL, x, y, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE); } /* * Sets the position and size of a given window (widget). * Parameters: * handle: Window (widget) handle. * x: X location from the bottom left. * y: Y location from the bottom left. * width: Width of the widget. * height: Height of the widget. */ void API dw_window_set_pos_size(HWND handle, ULONG x, ULONG y, ULONG width, ULONG height) { SetWindowPos(handle, (HWND)NULL, x, y, width, height, SWP_NOZORDER | SWP_SHOWWINDOW | SWP_NOACTIVATE); } /* * Gets the position and size of a given window (widget). * Parameters: * handle: Window (widget) handle. * x: X location from the bottom left. * y: Y location from the bottom left. * width: Width of the widget. * height: Height of the widget. */ void API dw_window_get_pos_size(HWND handle, ULONG *x, ULONG *y, ULONG *width, ULONG *height) { WINDOWPLACEMENT wp; wp.length = sizeof(WINDOWPLACEMENT); GetWindowPlacement(handle, &wp); if(x) *x = wp.rcNormalPosition.left; if(y) *y = wp.rcNormalPosition.top; if(width) *width = wp.rcNormalPosition.right - wp.rcNormalPosition.left; if(height) *height = wp.rcNormalPosition.bottom - wp.rcNormalPosition.top; } /* * Sets the style of a given window (widget). * Parameters: * handle: Window (widget) handle. * width: New width in pixels. * height: New height in pixels. */ void API dw_window_set_style(HWND handle, ULONG style, ULONG mask) { ULONG tmp, currentstyle = GetWindowLong(handle, GWL_STYLE); ColorInfo *cinfo = (ColorInfo *)GetWindowLong(handle, GWL_USERDATA); tmp = currentstyle | mask; tmp ^= mask; tmp |= style; /* We are using SS_NOPREFIX as a VCENTER flag */ if(tmp & SS_NOPREFIX) { if(cinfo) cinfo->vcenter = 1; else { cinfo = calloc(1, sizeof(ColorInfo)); cinfo->fore = cinfo->back = -1; cinfo->vcenter = 1; cinfo->pOldProc = SubclassWindow(handle, _colorwndproc); SetWindowLong(handle, GWL_USERDATA, (ULONG)cinfo); } } else if(cinfo) cinfo->vcenter = 0; SetWindowLong(handle, GWL_STYLE, tmp); } /* Finds the physical ID from the reference ID */ int _findnotebookid(NotebookPage **array, int pageid) { int z; for(z=0;z<256;z++) { if(array[z] && array[z]->realid == pageid) return z; } return -1; } /* * Adds a new page to specified notebook. * Parameters: * handle: Window (widget) handle. * flags: Any additional page creation flags. * front: If TRUE page is added at the beginning. */ unsigned long API dw_notebook_page_new(HWND handle, ULONG flags, int front) { NotebookPage **array = (NotebookPage **)dw_window_get_data(handle, "_dw_array"); if(array) { int z, refid = -1; for(z=0;z<256;z++) { if(_findnotebookid(array, z) == -1) { refid = z; break; } } if(refid == -1) return -1; for(z=0;z<256;z++) { if(!array[z]) { int oldpage = TabCtrl_GetCurSel(handle); array[z] = calloc(1, sizeof(NotebookPage)); array[z]->realid = refid; array[z]->item.mask = TCIF_TEXT; array[z]->item.iImage = -1; array[z]->item.pszText = ""; TabCtrl_InsertItem(handle, z, &(array[z]->item)); if(oldpage > -1 && array[oldpage]) SetParent(array[oldpage]->hwnd, DW_HWND_OBJECT); TabCtrl_SetCurSel(handle, z); return refid; } } } return -1; } /* * Sets the text on the specified notebook tab. * Parameters: * handle: Notebook handle. * pageid: Page ID of the tab to set. * text: Pointer to the text to set. */ void API dw_notebook_page_set_text(HWND handle, ULONG pageidx, char *text) { NotebookPage **array = (NotebookPage **)dw_window_get_data(handle, "_dw_array"); int pageid; if(!array) return; pageid = _findnotebookid(array, pageidx); if(pageid > -1 && array[pageid]) { array[pageid]->item.mask = TCIF_TEXT; array[pageid]->item.pszText = text; TabCtrl_SetItem(handle, pageid, &(array[pageid]->item)); _resize_notebook_page(handle, pageid); } } /* * Sets the text on the specified notebook tab status area. * Parameters: * handle: Notebook handle. * pageid: Page ID of the tab to set. * text: Pointer to the text to set. */ void API dw_notebook_page_set_status_text(HWND handle, ULONG pageid, char *text) { } /* * Packs the specified box into the notebook page. * Parameters: * handle: Handle to the notebook to be packed. * pageid: Page ID in the notebook which is being packed. * page: Box handle to be packed. */ void API dw_notebook_pack(HWND handle, ULONG pageidx, HWND page) { NotebookPage **array = (NotebookPage **)dw_window_get_data(handle, "_dw_array"); int pageid; if(!array) return; pageid = _findnotebookid(array, pageidx); if(pageid > -1 && array[pageid]) { HWND tmpbox = dw_box_new(DW_VERT, 0); dw_box_pack_start(tmpbox, page, 0, 0, TRUE, TRUE, 0); SubclassWindow(tmpbox, _wndproc); if(array[pageid]->hwnd) dw_window_destroy(array[pageid]->hwnd); array[pageid]->hwnd = tmpbox; if(pageidx == dw_notebook_page_query(handle)) { SetParent(tmpbox, handle); _resize_notebook_page(handle, pageid); } } } /* * Remove a page from a notebook. * Parameters: * handle: Handle to the notebook widget. * pageid: ID of the page to be destroyed. */ void API dw_notebook_page_destroy(HWND handle, unsigned int pageidx) { NotebookPage **array = (NotebookPage **)dw_window_get_data(handle, "_dw_array"); int newid = -1, z, pageid; if(!array) return; pageid = _findnotebookid(array, pageidx); if(pageid < 0) return; if(array[pageid]) { SetParent(array[pageid]->hwnd, DW_HWND_OBJECT); free(array[pageid]); array[pageid] = NULL; } TabCtrl_DeleteItem(handle, pageid); /* Shift the pages over 1 */ for(z=pageid;z<255;z++) array[z] = array[z+1]; array[255] = NULL; for(z=0;z<256;z++) { if(array[z]) { newid = z; break; } } if(newid > -1) { SetParent(array[newid]->hwnd, handle); _resize_notebook_page(handle, newid); dw_notebook_page_set(handle, array[newid]->realid); } } /* * Queries the currently visible page ID. * Parameters: * handle: Handle to the notebook widget. */ unsigned long API dw_notebook_page_query(HWND handle) { NotebookPage **array = (NotebookPage **)dw_window_get_data(handle, "_dw_array"); int physid = TabCtrl_GetCurSel(handle); if(physid > -1 && physid < 256 && array && array[physid]) return array[physid]->realid; return -1; } /* * Sets the currently visible page ID. * Parameters: * handle: Handle to the notebook widget. * pageid: ID of the page to be made visible. */ void API dw_notebook_page_set(HWND handle, unsigned int pageidx) { NotebookPage **array = (NotebookPage **)dw_window_get_data(handle, "_dw_array"); int pageid; if(!array) return; pageid = _findnotebookid(array, pageidx); if(pageid > -1 && pageid < 256) { int oldpage = TabCtrl_GetCurSel(handle); if(oldpage > -1 && array && array[oldpage]) SetParent(array[oldpage]->hwnd, DW_HWND_OBJECT); TabCtrl_SetCurSel(handle, pageid); SetParent(array[pageid]->hwnd, handle); _resize_notebook_page(handle, pageid); } } /* * Appends the specified text to the listbox's (or combobox) entry list. * Parameters: * handle: Handle to the listbox to be appended to. * text: Text to append into listbox. */ void API dw_listbox_append(HWND handle, char *text) { char tmpbuf[100]; GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1)==0) SendMessage(handle, CB_ADDSTRING, 0, (LPARAM)text); else SendMessage(handle, LB_ADDSTRING, 0, (LPARAM)text); } /* * Clears the listbox's (or combobox) list of all entries. * Parameters: * handle: Handle to the listbox to be cleared. */ void API dw_listbox_clear(HWND handle) { char tmpbuf[100]; GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1)==0) { char *buf = dw_window_get_text(handle); SendMessage(handle, CB_RESETCONTENT, 0L, 0L); if(buf) { dw_window_set_text(handle, buf); free(buf); } } else SendMessage(handle, LB_RESETCONTENT, 0L, 0L); } /* * Sets the text of a given listbox entry. * Parameters: * handle: Handle to the listbox to be queried. * index: Index into the list to be queried. * buffer: Buffer where text will be copied. */ void API dw_listbox_set_text(HWND handle, unsigned int index, char *buffer) { char tmpbuf[100]; GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1)==0) { SendMessage(handle, CB_DELETESTRING, (WPARAM)index, 0); SendMessage(handle, CB_INSERTSTRING, (WPARAM)index, (LPARAM)buffer); } else { unsigned int sel = (unsigned int)SendMessage(handle, LB_GETCURSEL, 0, 0); SendMessage(handle, LB_DELETESTRING, (WPARAM)index, 0); SendMessage(handle, LB_INSERTSTRING, (WPARAM)index, (LPARAM)buffer); SendMessage(handle, LB_SETCURSEL, (WPARAM)sel, 0); SendMessage(handle, LB_SETSEL, (WPARAM)TRUE, (LPARAM)sel); } } /* * Copies the given index item's text into buffer. * Parameters: * handle: Handle to the listbox to be queried. * index: Index into the list to be queried. * buffer: Buffer where text will be copied. * length: Length of the buffer (including NULL). */ void API dw_listbox_query_text(HWND handle, unsigned int index, char *buffer, unsigned int length) { char tmpbuf[100]; int len; if(!buffer || !length) return; buffer[0] = 0; GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1)==0) { len = (int)SendMessage(handle, CB_GETLBTEXTLEN, (WPARAM)index, 0); if(len < length && len != CB_ERR) SendMessage(handle, CB_GETLBTEXT, (WPARAM)index, (LPARAM)buffer); } else { len = (int)SendMessage(handle, LB_GETTEXTLEN, (WPARAM)index, 0); if(len < length && len != LB_ERR) SendMessage(handle, LB_GETTEXT, (WPARAM)index, (LPARAM)buffer); } } /* * Returns the index to the item in the list currently selected. * Parameters: * handle: Handle to the listbox to be queried. */ unsigned int API dw_listbox_selected(HWND handle) { char tmpbuf[100]; GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1)==0) return (unsigned int)SendMessage(handle, CB_GETCURSEL, 0, 0); return (unsigned int)SendMessage(handle, LB_GETCURSEL, 0, 0); } /* * Returns the index to the current selected item or -1 when done. * Parameters: * handle: Handle to the listbox to be queried. * where: Either the previous return or -1 to restart. */ int API dw_listbox_selected_multi(HWND handle, int where) { int *array, count, z; char tmpbuf[100]; GetClassName(handle, tmpbuf, 99); /* This doesn't work on comboboxes */ if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1)==0) return -1; count = (int)SendMessage(handle, LB_GETSELCOUNT, 0, 0); if(count > 0) { array = malloc(sizeof(int)*count); SendMessage(handle, LB_GETSELITEMS, (WPARAM)count, (LPARAM)array); if(where == -1) { int ret = array[0]; free(array); return ret; } for(z=0;z<count;z++) { if(array[z] == where && (z+1) < count) { int ret = array[z+1]; free(array); return ret; } } free(array); } return -1; } /* * Sets the selection state of a given index. * Parameters: * handle: Handle to the listbox to be set. * index: Item index. * state: TRUE if selected FALSE if unselected. */ void API dw_listbox_select(HWND handle, int index, int state) { char tmpbuf[100]; GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1)==0) SendMessage(handle, CB_SETCURSEL, (WPARAM)index, 0); else { SendMessage(handle, LB_SETCURSEL, (WPARAM)index, 0); SendMessage(handle, LB_SETSEL, (WPARAM)state, (LPARAM)index); } _wndproc(handle, WM_COMMAND, (WPARAM)(LBN_SELCHANGE << 16), (LPARAM)handle); } /* * Deletes the item with given index from the list. * Parameters: * handle: Handle to the listbox to be set. * index: Item index. */ void API dw_listbox_delete(HWND handle, int index) { char tmpbuf[100]; GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1)==0) SendMessage(handle, CB_DELETESTRING, (WPARAM)index, 0); else SendMessage(handle, LB_DELETESTRING, (WPARAM)index, 0); } /* * Returns the listbox's item count. * Parameters: * handle: Handle to the listbox to be cleared. */ int API dw_listbox_count(HWND handle) { char tmpbuf[100]; GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1)==0) return (int)SendMessage(handle, CB_GETCOUNT,0L, 0L); return (int)SendMessage(handle, LB_GETCOUNT,0L, 0L); } /* * Sets the topmost item in the viewport. * Parameters: * handle: Handle to the listbox to be cleared. * top: Index to the top item. */ void API dw_listbox_set_top(HWND handle, int top) { char tmpbuf[100]; GetClassName(handle, tmpbuf, 99); /* This doesn't work on comboboxes */ if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1)==0) return; SendMessage(handle, LB_SETTOPINDEX, (WPARAM)top, 0); } /* * Adds text to an MLE box and returns the current point. * Parameters: * handle: Handle to the MLE to be queried. * buffer: Text buffer to be imported. * startpoint: Point to start entering text. */ unsigned int API dw_mle_import(HWND handle, char *buffer, int startpoint) { int textlen, len = GetWindowTextLength(handle); char *tmpbuf; if((textlen = strlen(buffer)) < 1) return startpoint; startpoint++; tmpbuf = calloc(1, len + textlen + startpoint + 2); if(startpoint < 0) startpoint = 0; if(len) { char *dest, *start; int copylen = len - startpoint; GetWindowText(handle, tmpbuf, len+1); dest = &tmpbuf[startpoint+textlen-1]; start = &tmpbuf[startpoint]; if(copylen > 0) memcpy(dest, start, copylen); } memcpy(&tmpbuf[startpoint], buffer, textlen); SetWindowText(handle, tmpbuf); free(tmpbuf); return (startpoint + textlen - 1); } /* * Grabs text from an MLE box. * Parameters: * handle: Handle to the MLE to be queried. * buffer: Text buffer to be exported. * startpoint: Point to start grabbing text. * length: Amount of text to be grabbed. */ void API dw_mle_export(HWND handle, char *buffer, int startpoint, int length) { int max, len = GetWindowTextLength(handle); char *tmpbuf = calloc(1, len+2); if(len) GetWindowText(handle, tmpbuf, len+1); buffer[0] = 0; if(startpoint < len) { max = MIN(length, len - startpoint); memcpy(buffer, &tmpbuf[startpoint], max); } free(tmpbuf); } /* * Obtains information about an MLE box. * Parameters: * handle: Handle to the MLE to be queried. * bytes: A pointer to a variable to return the total bytes. * lines: A pointer to a variable to return the number of lines. */ void API dw_mle_query(HWND handle, unsigned long *bytes, unsigned long *lines) { if(bytes) *bytes = GetWindowTextLength(handle); if(lines) *lines = (unsigned long)SendMessage(handle, EM_GETLINECOUNT, 0, 0); } /* * Deletes text from an MLE box. * Parameters: * handle: Handle to the MLE to be deleted from. * startpoint: Point to start deleting text. * length: Amount of text to be deleted. */ void API dw_mle_delete(HWND handle, int startpoint, int length) { int len = GetWindowTextLength(handle); char *tmpbuf = calloc(1, len+2); GetWindowText(handle, tmpbuf, len+1); if(startpoint + length < len) { strcpy(&tmpbuf[startpoint], &tmpbuf[startpoint+length]); SetWindowText(handle, tmpbuf); } free(tmpbuf); } /* * Clears all text from an MLE box. * Parameters: * handle: Handle to the MLE to be cleared. */ void API dw_mle_clear(HWND handle) { SetWindowText(handle, ""); } /* * Sets the visible line of an MLE box. * Parameters: * handle: Handle to the MLE. * line: Line to be visible. */ void API dw_mle_set_visible(HWND handle, int line) { int point = (int)SendMessage(handle, EM_LINEINDEX, (WPARAM)line, 0); dw_mle_set(handle, point); } /* * Sets the editablity of an MLE box. * Parameters: * handle: Handle to the MLE. * state: TRUE if it can be edited, FALSE for readonly. */ void API dw_mle_set_editable(HWND handle, int state) { SendMessage(handle, EM_SETREADONLY, (WPARAM)(state ? FALSE : TRUE), 0); } /* * Sets the word wrap state of an MLE box. * Parameters: * handle: Handle to the MLE. * state: TRUE if it wraps, FALSE if it doesn't. */ void API dw_mle_set_word_wrap(HWND handle, int state) { /* If ES_AUTOHSCROLL is not set and there is not * horizontal scrollbar it word wraps. */ if(state) dw_window_set_style(handle, 0, ES_AUTOHSCROLL); else dw_window_set_style(handle, ES_AUTOHSCROLL, ES_AUTOHSCROLL); } /* * Sets the current cursor position of an MLE box. * Parameters: * handle: Handle to the MLE to be positioned. * point: Point to position cursor. */ void API dw_mle_set(HWND handle, int point) { SendMessage(handle, EM_SETSEL, (WPARAM)point, (LPARAM)point); SendMessage(handle, EM_SCROLLCARET, 0, 0); } /* * Finds text in an MLE box. * Parameters: * handle: Handle to the MLE to be cleared. * text: Text to search for. * point: Start point of search. * flags: Search specific flags. */ int API dw_mle_search(HWND handle, char *text, int point, unsigned long flags) { int len = GetWindowTextLength(handle); char *tmpbuf = calloc(1, len+2); int z, textlen, retval = 0; GetWindowText(handle, tmpbuf, len+1); textlen = strlen(text); if(flags & DW_MLE_CASESENSITIVE) { for(z=point;z<(len-textlen) && !retval;z++) { if(strncmp(&tmpbuf[z], text, textlen) == 0) retval = z + textlen; } } else { for(z=point;z<(len-textlen) && !retval;z++) { if(strnicmp(&tmpbuf[z], text, textlen) == 0) retval = z + textlen; } } if(retval) { SendMessage(handle, EM_SETSEL, (WPARAM)retval - textlen, (LPARAM)retval); SendMessage(handle, EM_SCROLLCARET, 0, 0); } free(tmpbuf); return retval; } /* * Stops redrawing of an MLE box. * Parameters: * handle: Handle to the MLE to freeze. */ void API dw_mle_freeze(HWND handle) { } /* * Resumes redrawing of an MLE box. * Parameters: * handle: Handle to the MLE to thaw. */ void API dw_mle_thaw(HWND handle) { } /* * Returns the range of the percent bar. * Parameters: * handle: Handle to the percent bar to be queried. */ unsigned int API dw_percent_query_range(HWND handle) { return (unsigned int)SendMessage(handle, PBM_GETRANGE, (WPARAM)FALSE, 0); } /* * Sets the percent bar position. * Parameters: * handle: Handle to the percent bar to be set. * position: Position of the percent bar withing the range. */ void API dw_percent_set_pos(HWND handle, unsigned int position) { SendMessage(handle, PBM_SETPOS, (WPARAM)position, 0); } /* * Returns the position of the slider. * Parameters: * handle: Handle to the slider to be queried. */ unsigned int API dw_slider_query_pos(HWND handle) { int max = (int)SendMessage(handle, TBM_GETRANGEMAX, 0, 0); ULONG currentstyle = GetWindowLong(handle, GWL_STYLE); if(currentstyle & TBS_VERT) return max - (unsigned int)SendMessage(handle, TBM_GETPOS, 0, 0); return (unsigned int)SendMessage(handle, TBM_GETPOS, 0, 0); } /* * Sets the slider position. * Parameters: * handle: Handle to the slider to be set. * position: Position of the slider withing the range. */ void API dw_slider_set_pos(HWND handle, unsigned int position) { int max = (int)SendMessage(handle, TBM_GETRANGEMAX, 0, 0); ULONG currentstyle = GetWindowLong(handle, GWL_STYLE); if(currentstyle & TBS_VERT) SendMessage(handle, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)max - position); else SendMessage(handle, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)position); } /* * Returns the position of the scrollbar. * Parameters: * handle: Handle to the scrollbar to be queried. */ unsigned int API dw_scrollbar_query_pos(HWND handle) { return (unsigned int)SendMessage(handle, SBM_GETPOS, 0, 0); } /* * Sets the scrollbar position. * Parameters: * handle: Handle to the scrollbar to be set. * position: Position of the scrollbar withing the range. */ void API dw_scrollbar_set_pos(HWND handle, unsigned int position) { dw_window_set_data(handle, "_dw_scrollbar_value", (void *)position); SendMessage(handle, SBM_SETPOS, (WPARAM)position, (LPARAM)TRUE); } /* * Sets the scrollbar range. * Parameters: * handle: Handle to the scrollbar to be set. * range: Maximum range value. * visible: Visible area relative to the range. */ void API dw_scrollbar_set_range(HWND handle, unsigned int range, unsigned int visible) { SCROLLINFO si; si.cbSize = sizeof(SCROLLINFO); si.fMask = SIF_RANGE | SIF_PAGE; si.nMin = 0; si.nMax = range - 1; si.nPage = visible; SendMessage(handle, SBM_SETSCROLLINFO, (WPARAM)TRUE, (LPARAM)&si); } /* * Sets the spinbutton value. * Parameters: * handle: Handle to the spinbutton to be set. * position: Current value of the spinbutton. */ void API dw_spinbutton_set_pos(HWND handle, long position) { char tmpbuf[100]; ColorInfo *cinfo = (ColorInfo *)GetWindowLong(handle, GWL_USERDATA); sprintf(tmpbuf, "%d", position); if(cinfo && cinfo->buddy) SetWindowText(cinfo->buddy, tmpbuf); if(IS_IE5PLUS) SendMessage(handle, UDM_SETPOS32, 0, (LPARAM)position); else SendMessage(handle, UDM_SETPOS, 0, (LPARAM)MAKELONG((short)position, 0)); } /* * Sets the spinbutton limits. * Parameters: * handle: Handle to the spinbutton to be set. * position: Current value of the spinbutton. * position: Current value of the spinbutton. */ void API dw_spinbutton_set_limits(HWND handle, long upper, long lower) { if(IS_IE5PLUS) SendMessage(handle, UDM_SETRANGE32, (WPARAM)lower,(LPARAM)upper); else SendMessage(handle, UDM_SETRANGE32, (WPARAM)((short)lower), (LPARAM)((short)upper)); } /* * Sets the entryfield character limit. * Parameters: * handle: Handle to the spinbutton to be set. * limit: Number of characters the entryfield will take. */ void API dw_entryfield_set_limit(HWND handle, ULONG limit) { SendMessage(handle, EM_SETLIMITTEXT, (WPARAM)limit, 0); } /* * Returns the current value of the spinbutton. * Parameters: * handle: Handle to the spinbutton to be queried. */ long API dw_spinbutton_query(HWND handle) { if(IS_IE5PLUS) return (long)SendMessage(handle, UDM_GETPOS32, 0, 0); else return (long)SendMessage(handle, UDM_GETPOS, 0, 0); } /* * Returns the state of the checkbox. * Parameters: * handle: Handle to the checkbox to be queried. */ int API dw_checkbox_query(HWND handle) { if(SendMessage(handle, BM_GETCHECK, 0, 0) == BST_CHECKED) return (in_checkbox_handler ? FALSE : TRUE); return (in_checkbox_handler ? TRUE : FALSE); } /* This function unchecks all radiobuttons on a box */ BOOL CALLBACK _uncheck_radios(HWND handle, LPARAM lParam) { char tmpbuf[100]; GetClassName(handle, tmpbuf, 99); if(strnicmp(tmpbuf, BUTTONCLASSNAME, strlen(BUTTONCLASSNAME)+1)==0) { BubbleButton *bubble= (BubbleButton *)GetWindowLong(handle, GWL_USERDATA); if(bubble && !bubble->checkbox) SendMessage(handle, BM_SETCHECK, 0, 0); } return TRUE; } /* * Sets the state of the checkbox. * Parameters: * handle: Handle to the checkbox to be queried. * value: TRUE for checked, FALSE for unchecked. */ void API dw_checkbox_set(HWND handle, int value) { BubbleButton *bubble= (BubbleButton *)GetWindowLong(handle, GWL_USERDATA); if(bubble && !bubble->checkbox) { HWND parent = GetParent(handle); if(parent) EnumChildWindows(parent, _uncheck_radios, 0); } SendMessage(handle, BM_SETCHECK, (WPARAM)value, 0); } /* * Inserts an item into a tree window (widget) after another item. * Parameters: * handle: Handle to the tree to be inserted. * item: Handle to the item to be positioned after. * title: The text title of the entry. * icon: Handle to coresponding icon. * parent: Parent handle or 0 if root. * itemdata: Item specific data. */ HTREEITEM API dw_tree_insert_after(HWND handle, HTREEITEM item, char *title, unsigned long icon, HTREEITEM parent, void *itemdata) { TVITEM tvi; TVINSERTSTRUCT tvins; HTREEITEM hti; void **ptrs= malloc(sizeof(void *) * 2); ptrs[0] = title; ptrs[1] = itemdata; tvi.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM; tvi.pszText = title; tvi.lParam = (LONG)ptrs; tvi.cchTextMax = strlen(title); tvi.iSelectedImage = tvi.iImage = _lookup_icon(handle, (HICON)icon, 1); tvins.item = tvi; tvins.hParent = parent; tvins.hInsertAfter = item ? item : TVI_FIRST; hti = TreeView_InsertItem(handle, &tvins); return hti; } /* * Inserts an item into a tree window (widget). * Parameters: * handle: Handle to the tree to be inserted. * title: The text title of the entry. * icon: Handle to coresponding icon. * parent: Parent handle or 0 if root. * itemdata: Item specific data. */ HTREEITEM API dw_tree_insert(HWND handle, char *title, unsigned long icon, HTREEITEM parent, void *itemdata) { TVITEM tvi; TVINSERTSTRUCT tvins; HTREEITEM hti; void **ptrs= malloc(sizeof(void *) * 2); ptrs[0] = title; ptrs[1] = itemdata; tvi.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM; tvi.pszText = title; tvi.lParam = (LONG)ptrs; tvi.cchTextMax = strlen(title); tvi.iSelectedImage = tvi.iImage = _lookup_icon(handle, (HICON)icon, 1); tvins.item = tvi; tvins.hParent = parent; tvins.hInsertAfter = TVI_LAST; hti = TreeView_InsertItem(handle, &tvins); return hti; } /* * Sets the text and icon of an item in a tree window (widget). * Parameters: * handle: Handle to the tree containing the item. * item: Handle of the item to be modified. * title: The text title of the entry. * icon: Handle to coresponding icon. */ void API dw_tree_set(HWND handle, HTREEITEM item, char *title, unsigned long icon) { TVITEM tvi; void **ptrs; tvi.mask = TVIF_HANDLE; tvi.hItem = item; if(TreeView_GetItem(handle, &tvi)) { ptrs = (void **)tvi.lParam; ptrs[0] = title; tvi.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE; tvi.pszText = title; tvi.cchTextMax = strlen(title); tvi.iSelectedImage = tvi.iImage = _lookup_icon(handle, (HICON)icon, 1); tvi.hItem = (HTREEITEM)item; TreeView_SetItem(handle, &tvi); } } /* * Sets the item data of a tree item. * Parameters: * handle: Handle to the tree containing the item. * item: Handle of the item to be modified. * itemdata: User defined data to be associated with item. */ void API dw_tree_set_data(HWND handle, HTREEITEM item, void *itemdata) { TVITEM tvi; void **ptrs; tvi.mask = TVIF_HANDLE; tvi.hItem = item; if(TreeView_GetItem(handle, &tvi)) { ptrs = (void **)tvi.lParam; ptrs[1] = itemdata; } } /* * Gets the item data of a tree item. * Parameters: * handle: Handle to the tree containing the item. * item: Handle of the item to be modified. */ void * API dw_tree_get_data(HWND handle, HTREEITEM item) { TVITEM tvi; void **ptrs; tvi.mask = TVIF_HANDLE; tvi.hItem = item; if(TreeView_GetItem(handle, &tvi)) { ptrs = (void **)tvi.lParam; return ptrs[1]; } return NULL; } /* * Sets this item as the active selection. * Parameters: * handle: Handle to the tree window (widget) to be selected. * item: Handle to the item to be selected. */ void API dw_tree_item_select(HWND handle, HTREEITEM item) { dw_window_set_data(handle, "_dw_select_item", (void *)1); TreeView_SelectItem(handle, item); dw_window_set_data(handle, "_dw_select_item", (void *)0); } /* Delete all tree subitems */ void _dw_tree_delete_recursive(HWND handle, HTREEITEM node) { HTREEITEM hti; hti = TreeView_GetChild(handle, node); while(hti) { HTREEITEM lastitem = hti; hti = TreeView_GetNextSibling(handle, hti); dw_tree_delete(handle, lastitem); } } /* * Removes all nodes from a tree. * Parameters: * handle: Handle to the window (widget) to be cleared. */ void API dw_tree_clear(HWND handle) { HTREEITEM hti = TreeView_GetRoot(handle); while(hti) { HTREEITEM lastitem = hti; _dw_tree_delete_recursive(handle, hti); hti = TreeView_GetNextSibling(handle, hti); dw_tree_delete(handle, lastitem); } } /* * Expands a node on a tree. * Parameters: * handle: Handle to the tree window (widget). * item: Handle to node to be expanded. */ void API dw_tree_expand(HWND handle, HTREEITEM item) { TreeView_Expand(handle, item, TVE_EXPAND); } /* * Collapses a node on a tree. * Parameters: * handle: Handle to the tree window (widget). * item: Handle to node to be collapsed. */ void API dw_tree_collapse(HWND handle, HTREEITEM item) { TreeView_Expand(handle, item, TVE_COLLAPSE); } /* * Removes a node from a tree. * Parameters: * handle: Handle to the window (widget) to be cleared. * item: Handle to node to be deleted. */ void API dw_tree_delete(HWND handle, HTREEITEM item) { TVITEM tvi; void **ptrs; if(item == TVI_ROOT || !item) return; tvi.mask = TVIF_HANDLE; tvi.hItem = item; if(TreeView_GetItem(handle, &tvi)) ptrs = (void **)tvi.lParam; _dw_tree_delete_recursive(handle, item); TreeView_DeleteItem(handle, item); if(ptrs) free(ptrs); } /* * Sets up the container columns. * Parameters: * handle: Handle to the container to be configured. * flags: An array of unsigned longs with column flags. * titles: An array of strings with column text titles. * count: The number of columns (this should match the arrays). * separator: The column number that contains the main separator. * (only used on OS/2 but must be >= 0 on all) */ int API dw_container_setup(HWND handle, unsigned long *flags, char **titles, int count, int separator) { ContainerInfo *cinfo = (ContainerInfo *)GetWindowLong(handle, GWL_USERDATA); int z, l = 0; unsigned long *tempflags = calloc(sizeof(unsigned long), count + 2); LVCOLUMN lvc; if(separator == -1) { tempflags[0] = DW_CFA_RESERVED; l = 1; } memcpy(&tempflags[l], flags, sizeof(unsigned long) * count); tempflags[count + l] = 0; cinfo->flags = tempflags; cinfo->columns = count + l; for(z=0;z<count;z++) { if(titles[z]) { lvc.mask = LVCF_TEXT | LVCF_WIDTH | LVCF_SUBITEM | LVCF_FMT; lvc.pszText = titles[z]; lvc.cchTextMax = strlen(titles[z]); if(flags[z] & DW_CFA_RIGHT) lvc.fmt = LVCFMT_RIGHT; else if(flags[z] & DW_CFA_CENTER) lvc.fmt = LVCFMT_CENTER; else lvc.fmt = LVCFMT_LEFT; lvc.cx = 75; lvc.iSubItem = count; SendMessage(handle, LVM_INSERTCOLUMN, (WPARAM)z + l, (LPARAM)&lvc); } } ListView_SetExtendedListViewStyle(handle, LVS_EX_FULLROWSELECT | LVS_EX_SUBITEMIMAGES); return TRUE; } /* * Sets up the filesystem columns, note: filesystem always has an icon/filename field. * Parameters: * handle: Handle to the container to be configured. * flags: An array of unsigned longs with column flags. * titles: An array of strings with column text titles. * count: The number of columns (this should match the arrays). */ int API dw_filesystem_setup(HWND handle, unsigned long *flags, char **titles, int count) { LV_COLUMN lvc; lvc.mask = LVCF_TEXT | LVCF_WIDTH | LVCF_SUBITEM; lvc.pszText = "Filename"; lvc.cchTextMax = 8; lvc.fmt = 0; if(!count) lvc.cx = 300; else lvc.cx = 150; lvc.iSubItem = count; SendMessage(handle, LVM_INSERTCOLUMN, (WPARAM)0, (LPARAM)&lvc); dw_container_setup(handle, flags, titles, count, -1); return TRUE; } /* * Obtains an icon from a module (or header in GTK). * Parameters: * module: Handle to module (DLL) in OS/2 and Windows. * id: A unsigned long id int the resources on OS/2 and * Windows, on GTK this is converted to a pointer * to an embedded XPM. */ unsigned long API dw_icon_load(unsigned long module, unsigned long id) { return (unsigned long)LoadIcon(DWInstance, MAKEINTRESOURCE(id)); } /* * Obtains an icon from a file. * Parameters: * filename: Name of the file, omit extention to have * DW pick the appropriate file extension. * (ICO on OS/2 or Windows, XPM on Unix) */ unsigned long API dw_icon_load_from_file(char *filename) { char *file = malloc(strlen(filename) + 5); HANDLE icon; if(!file) return 0; strcpy(file, filename); /* check if we can read from this file (it exists and read permission) */ if(access(file, 04) != 0) { /* Try with .bmp extention */ strcat(file, ".ico"); if(access(file, 04) != 0) { free(file); return 0; } } icon = LoadImage(NULL, file, IMAGE_ICON, 0, 0, LR_LOADFROMFILE); free(file); return (unsigned long)icon; } /* * Frees a loaded resource in OS/2 and Windows. * Parameters: * handle: Handle to icon returned by dw_icon_load(). */ void API dw_icon_free(unsigned long handle) { DestroyIcon((HICON)handle); } /* * Allocates memory used to populate a container. * Parameters: * handle: Handle to the container window (widget). * rowcount: The number of items to be populated. */ void * API dw_container_alloc(HWND handle, int rowcount) { LV_ITEM lvi; int z; lvi.mask = LVIF_DI_SETITEM | LVIF_TEXT | LVIF_IMAGE; lvi.iSubItem = 0; /* Insert at the end */ lvi.iItem = 1000000; lvi.pszText = ""; lvi.cchTextMax = 1; lvi.iImage = -1; ShowWindow(handle, SW_HIDE); for(z=0;z<rowcount;z++) ListView_InsertItem(handle, &lvi); return (void *)handle; } /* Finds a icon in the table, otherwise it adds it to the table * and returns the index in the table. */ int _lookup_icon(HWND handle, HICON hicon, int type) { int z; static HWND lasthwnd = NULL; if(!hSmall || !hLarge) { hSmall = ImageList_Create(16, 16, ILC_COLOR16 | ILC_MASK, ICON_INDEX_LIMIT, 0); hLarge = ImageList_Create(32, 32, ILC_COLOR16 | ILC_MASK, ICON_INDEX_LIMIT, 0); } for(z=0;z<ICON_INDEX_LIMIT;z++) { if(!lookup[z]) { lookup[z] = hicon; ImageList_AddIcon(hSmall, hicon); ImageList_AddIcon(hLarge, hicon); if(type) { TreeView_SetImageList(handle, hSmall, TVSIL_NORMAL); } else { ListView_SetImageList(handle, hSmall, LVSIL_SMALL); ListView_SetImageList(handle, hLarge, LVSIL_NORMAL); } lasthwnd = handle; return z; } if(hicon == lookup[z]) { if(lasthwnd != handle) { if(type) { TreeView_SetImageList(handle, hSmall, TVSIL_NORMAL); } else { ListView_SetImageList(handle, hSmall, LVSIL_SMALL); ListView_SetImageList(handle, hLarge, LVSIL_NORMAL); } lasthwnd = handle; } return z; } } return -1; } /* * Sets an item in specified row and column to the given data. * Parameters: * handle: Handle to the container window (widget). * pointer: Pointer to the allocated memory in dw_container_alloc(). * column: Zero based column of data being set. * row: Zero based row of data being set. * data: Pointer to the data to be added. */ void API dw_filesystem_set_file(HWND handle, void *pointer, int row, char *filename, unsigned long icon) { LV_ITEM lvi; lvi.iItem = row; lvi.iSubItem = 0; lvi.mask = LVIF_DI_SETITEM | LVIF_IMAGE | LVIF_TEXT; lvi.pszText = filename; lvi.cchTextMax = strlen(filename); lvi.iImage = _lookup_icon(handle, (HICON)icon, 0); ListView_SetItem(handle, &lvi); } /* * Sets an item in specified row and column to the given data. * Parameters: * handle: Handle to the container window (widget). * pointer: Pointer to the allocated memory in dw_container_alloc(). * column: Zero based column of data being set. * row: Zero based row of data being set. * data: Pointer to the data to be added. */ void API dw_filesystem_set_item(HWND handle, void *pointer, int column, int row, void *data) { dw_container_set_item(handle, pointer, column + 1, row, data); } /* * Sets an item in specified row and column to the given data. * Parameters: * handle: Handle to the container window (widget). * pointer: Pointer to the allocated memory in dw_container_alloc(). * column: Zero based column of data being set. * row: Zero based row of data being set. * data: Pointer to the data to be added. */ void API dw_container_set_item(HWND handle, void *pointer, int column, int row, void *data) { ContainerInfo *cinfo = (ContainerInfo *)GetWindowLong(handle, GWL_USERDATA); ULONG *flags; LV_ITEM lvi; char textbuffer[100], *destptr = textbuffer; if(!cinfo || !cinfo->flags || !data) return; flags = cinfo->flags; lvi.mask = LVIF_DI_SETITEM | LVIF_TEXT; lvi.iItem = row; lvi.iSubItem = column; if(flags[column] & DW_CFA_BITMAPORICON) { HICON hicon = *((HICON *)data); lvi.mask = LVIF_DI_SETITEM | LVIF_IMAGE; lvi.pszText = NULL; lvi.cchTextMax = 0; lvi.iImage = _lookup_icon(handle, hicon, 0); } else if(flags[column] & DW_CFA_STRING) { char *tmp = *((char **)data); if(!tmp) tmp = ""; lvi.pszText = tmp; lvi.cchTextMax = strlen(tmp); destptr = tmp; } else if(flags[column] & DW_CFA_ULONG) { ULONG tmp = *((ULONG *)data); sprintf(textbuffer, "%lu", tmp); lvi.pszText = textbuffer; lvi.cchTextMax = strlen(textbuffer); } else if(flags[column] & DW_CFA_DATE) { struct tm curtm; CDATE cdate = *((CDATE *)data); curtm.tm_mday = cdate.day; curtm.tm_mon = cdate.month - 1; curtm.tm_year = cdate.year - 1900; strftime(textbuffer, 100, "%x", &curtm); lvi.pszText = textbuffer; lvi.cchTextMax = strlen(textbuffer); } else if(flags[column] & DW_CFA_TIME) { struct tm curtm; CTIME ctime = *((CTIME *)data); curtm.tm_hour = ctime.hours; curtm.tm_min = ctime.minutes; curtm.tm_sec = ctime.seconds; strftime(textbuffer, 100, "%X", &curtm); lvi.pszText = textbuffer; lvi.cchTextMax = strlen(textbuffer); } ListView_SetItem(handle, &lvi); } /* * Changes an existing item in specified row and column to the given data. * Parameters: * handle: Handle to the container window (widget). * column: Zero based column of data being set. * row: Zero based row of data being set. * data: Pointer to the data to be added. */ void API dw_container_change_item(HWND handle, int column, int row, void *data) { dw_container_set_item(handle, NULL, column, row, data); } /* * Sets the width of a column in the container. * Parameters: * handle: Handle to window (widget) of container. * column: Zero based column of width being set. * width: Width of column in pixels. */ void API dw_container_set_column_width(HWND handle, int column, int width) { ListView_SetColumnWidth(handle, column, width); } /* * Sets the title of a row in the container. * Parameters: * pointer: Pointer to the allocated memory in dw_container_alloc(). * row: Zero based row of data being set. * title: String title of the item. */ void API dw_container_set_row_title(void *pointer, int row, char *title) { LV_ITEM lvi; HWND container = (HWND)pointer; lvi.iItem = row; lvi.iSubItem = 0; lvi.mask = LVIF_PARAM; lvi.lParam = (LPARAM)title; if(!ListView_SetItem(container, &lvi) && lvi.lParam) lvi.lParam = 0; } /* * Sets the title of a row in the container. * Parameters: * handle: Handle to the container window (widget). * pointer: Pointer to the allocated memory in dw_container_alloc(). * rowcount: The number of rows to be inserted. */ void API dw_container_insert(HWND handle, void *pointer, int rowcount) { ShowWindow(handle, SW_SHOW); } /* * Removes all rows from a container. * Parameters: * handle: Handle to the window (widget) to be cleared. * redraw: TRUE to cause the container to redraw immediately. */ void API dw_container_clear(HWND handle, int redraw) { ListView_DeleteAllItems(handle); } /* * Removes the first x rows from a container. * Parameters: * handle: Handle to the window (widget) to be deleted from. * rowcount: The number of rows to be deleted. */ void API dw_container_delete(HWND handle, int rowcount) { int z; for(z=0;z<rowcount;z++) { ListView_DeleteItem(handle, 0); } } /* * Scrolls container up or down. * Parameters: * handle: Handle to the window (widget) to be scrolled. * direction: DW_SCROLL_UP, DW_SCROLL_DOWN, DW_SCROLL_TOP or * DW_SCROLL_BOTTOM. (rows is ignored for last two) * rows: The number of rows to be scrolled. */ void API dw_container_scroll(HWND handle, int direction, long rows) { switch(direction) { case DW_SCROLL_TOP: ListView_Scroll(handle, 0, -10000000); break; case DW_SCROLL_BOTTOM: ListView_Scroll(handle, 0, 10000000); break; } } /* * Starts a new query of a container. * Parameters: * handle: Handle to the window (widget) to be queried. * flags: If this parameter is DW_CRA_SELECTED it will only * return items that are currently selected. Otherwise * it will return all records in the container. */ char * API dw_container_query_start(HWND handle, unsigned long flags) { LV_ITEM lvi; _index = ListView_GetNextItem(handle, -1, flags); if(_index == -1) return NULL; memset(&lvi, 0, sizeof(LV_ITEM)); lvi.iItem = _index; lvi.mask = LVIF_PARAM; ListView_GetItem(handle, &lvi); return (char *)lvi.lParam; } /* * Continues an existing query of a container. * Parameters: * handle: Handle to the window (widget) to be queried. * flags: If this parameter is DW_CRA_SELECTED it will only * return items that are currently selected. Otherwise * it will return all records in the container. */ char * API dw_container_query_next(HWND handle, unsigned long flags) { LV_ITEM lvi; _index = ListView_GetNextItem(handle, _index, flags); if(_index == -1) return NULL; memset(&lvi, 0, sizeof(LV_ITEM)); lvi.iItem = _index; lvi.mask = LVIF_PARAM; ListView_GetItem(handle, &lvi); return (char *)lvi.lParam; } /* * Cursors the item with the text speficied, and scrolls to that item. * Parameters: * handle: Handle to the window (widget) to be queried. * text: Text usually returned by dw_container_query(). */ void API dw_container_cursor(HWND handle, char *text) { int index = ListView_GetNextItem(handle, -1, LVNI_ALL); while(index != -1) { LV_ITEM lvi; memset(&lvi, 0, sizeof(LV_ITEM)); lvi.iItem = index; lvi.mask = LVIF_PARAM; ListView_GetItem(handle, &lvi); if((char *)lvi.lParam == text) { RECT viewport, item; ListView_SetItemState(handle, index, LVIS_FOCUSED | LVIS_SELECTED, LVIS_FOCUSED | LVIS_SELECTED); ListView_EnsureVisible(handle, index, TRUE); return; } index = ListView_GetNextItem(handle, index, LVNI_ALL); } } /* * Deletes the item with the text speficied. * Parameters: * handle: Handle to the window (widget). * text: Text usually returned by dw_container_query(). */ void API dw_container_delete_row(HWND handle, char *text) { int index = ListView_GetNextItem(handle, -1, LVNI_ALL); while(index != -1) { LV_ITEM lvi; memset(&lvi, 0, sizeof(LV_ITEM)); lvi.iItem = index; lvi.mask = LVIF_PARAM; ListView_GetItem(handle, &lvi); if((char *)lvi.lParam == text) { ListView_DeleteItem(handle, index); return; } index = ListView_GetNextItem(handle, index, LVNI_ALL); } } /* * Optimizes the column widths so that all data is visible. * Parameters: * handle: Handle to the window (widget) to be optimized. */ void API dw_container_optimize(HWND handle) { ContainerInfo *cinfo = (ContainerInfo *)GetWindowLong(handle, GWL_USERDATA); ULONG *flags; LV_ITEM lvi; if(cinfo && cinfo->columns == 1) { ListView_SetColumnWidth(handle, 0, LVSCW_AUTOSIZE); } else if(cinfo && cinfo->columns > 1) { int z, index; ULONG *flags = cinfo->flags, *columns = calloc(sizeof(ULONG), cinfo->columns); char *text = malloc(1024); /* Initialize with sizes of column labels */ for(z=0;z<cinfo->columns;z++) { if(flags[z] & DW_CFA_BITMAPORICON) columns[z] = 5; else { LVCOLUMN lvc; lvc.mask = LVCF_TEXT; lvc.cchTextMax = 1023; lvc.pszText = text; if(ListView_GetColumn(handle, z, &lvc)) columns[z] = ListView_GetStringWidth(handle, lvc.pszText); if(flags[z] & DW_CFA_RESERVED) columns[z] += 20; } } index = ListView_GetNextItem(handle, -1, LVNI_ALL); /* Query all the item texts */ while(index != -1) { for(z=0;z<cinfo->columns;z++) { LV_ITEM lvi; memset(&lvi, 0, sizeof(LV_ITEM)); lvi.iItem = index; lvi.iSubItem = z; lvi.mask = LVIF_TEXT; lvi.cchTextMax = 1023; lvi.pszText = text; if(ListView_GetItem(handle, &lvi)) { int width = ListView_GetStringWidth(handle, lvi.pszText); if(width > columns[z]) { if(z == 0) columns[z] = width + 20; else columns[z] = width; } } } index = ListView_GetNextItem(handle, index, LVNI_ALL); } /* Set the new sizes */ for(z=0;z<cinfo->columns;z++) ListView_SetColumnWidth(handle, z, columns[z] + 16); free(columns); free(text); } } /* * Creates a rendering context widget (window) to be packed. * Parameters: * id: An id to be used with dw_window_from_id. * Returns: * A handle to the widget or NULL on failure. */ HWND API dw_render_new(unsigned long id) { Box *newbox = calloc(sizeof(Box), 1); HWND tmp = CreateWindow(ObjectClassName, "", WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); newbox->pad = 0; newbox->type = 0; newbox->count = 0; newbox->grouphwnd = (HWND)NULL; newbox->cinfo.pOldProc = SubclassWindow(tmp, _rendwndproc); newbox->cinfo.fore = newbox->cinfo.back = -1; SetWindowLong(tmp, GWL_USERDATA, (ULONG)newbox); return tmp; } /* Sets the current foreground drawing color. * Parameters: * red: red value. * green: green value. * blue: blue value. */ void API dw_color_foreground_set(unsigned long value) { int threadid = dw_thread_id(); if(threadid < 0 || threadid >= THREAD_LIMIT) threadid = 0; value = _internal_color(value); DeleteObject(_hPen[threadid]); DeleteObject(_hBrush[threadid]); _foreground[threadid] = RGB(DW_RED_VALUE(value), DW_GREEN_VALUE(value), DW_BLUE_VALUE(value)); _hPen[threadid] = CreatePen(PS_SOLID, 1, _foreground[threadid]); _hBrush[threadid] = CreateSolidBrush(_foreground[threadid]); } /* Sets the current background drawing color. * Parameters: * red: red value. * green: green value. * blue: blue value. */ void API dw_color_background_set(unsigned long value) { int threadid = dw_thread_id(); if(threadid < 0 || threadid >= THREAD_LIMIT) threadid = 0; value = _internal_color(value); if(value == DW_RGB_TRANSPARENT) _background[threadid] = DW_RGB_TRANSPARENT; else _background[threadid] = RGB(DW_RED_VALUE(value), DW_GREEN_VALUE(value), DW_BLUE_VALUE(value)); } /* Draw a point on a window (preferably a render window). * Parameters: * handle: Handle to the window. * pixmap: Handle to the pixmap. (choose only one of these) * x: X coordinate. * y: Y coordinate. */ void API dw_draw_point(HWND handle, HPIXMAP pixmap, int x, int y) { HDC hdcPaint; int threadid = dw_thread_id(); if(threadid < 0 || threadid >= THREAD_LIMIT) threadid = 0; if(handle) hdcPaint = GetDC(handle); else if(pixmap) hdcPaint = pixmap->hdc; else return; SetPixel(hdcPaint, x, y, _foreground[threadid]); if(!pixmap) ReleaseDC(handle, hdcPaint); } /* Draw a line on a window (preferably a render window). * Parameters: * handle: Handle to the window. * pixmap: Handle to the pixmap. (choose only one of these) * x1: First X coordinate. * y1: First Y coordinate. * x2: Second X coordinate. * y2: Second Y coordinate. */ void API dw_draw_line(HWND handle, HPIXMAP pixmap, int x1, int y1, int x2, int y2) { HDC hdcPaint; HPEN oldPen; int threadid = dw_thread_id(); if(threadid < 0 || threadid >= THREAD_LIMIT) threadid = 0; if(handle) hdcPaint = GetDC(handle); else if(pixmap) hdcPaint = pixmap->hdc; else return; oldPen = SelectObject(hdcPaint, _hPen[threadid]); MoveToEx(hdcPaint, x1, y1, NULL); LineTo(hdcPaint, x2, y2); SelectObject(hdcPaint, oldPen); /* For some reason Win98 (at least) fails * to draw the last pixel. So I do it myself. */ SetPixel(hdcPaint, x2, y2, _foreground[threadid]); if(!pixmap) ReleaseDC(handle, hdcPaint); } /* Draw a rectangle on a window (preferably a render window). * Parameters: * handle: Handle to the window. * pixmap: Handle to the pixmap. (choose only one of these) * x: X coordinate. * y: Y coordinate. * width: Width of rectangle. * height: Height of rectangle. */ void API dw_draw_rect(HWND handle, HPIXMAP pixmap, int fill, int x, int y, int width, int height) { HDC hdcPaint; HPEN oldPen; HBRUSH oldBrush; int threadid = dw_thread_id(); if(threadid < 0 || threadid >= THREAD_LIMIT) threadid = 0; if(handle) hdcPaint = GetDC(handle); else if(pixmap) hdcPaint = pixmap->hdc; else return; oldPen = SelectObject(hdcPaint, _hPen[threadid]); oldBrush = SelectObject(hdcPaint, _hBrush[threadid]); Rectangle(hdcPaint, x, y, x + width, y + height); SelectObject(hdcPaint, oldPen); SelectObject(hdcPaint, oldBrush); if(!pixmap) ReleaseDC(handle, hdcPaint); } /* Draw text on a window (preferably a render window). * Parameters: * handle: Handle to the window. * pixmap: Handle to the pixmap. (choose only one of these) * x: X coordinate. * y: Y coordinate. * text: Text to be displayed. */ void API dw_draw_text(HWND handle, HPIXMAP pixmap, int x, int y, char *text) { HDC hdc; int size = 9, z, mustdelete = 0; HFONT hFont, oldFont; int threadid = dw_thread_id(); if(threadid < 0 || threadid >= THREAD_LIMIT) threadid = 0; if(handle) hdc = GetDC(handle); else if(pixmap) hdc = pixmap->hdc; else return; { ColorInfo *cinfo; if(handle) cinfo = (ColorInfo *)GetWindowLong(handle, GWL_USERDATA); else cinfo = (ColorInfo *)GetWindowLong(pixmap->handle, GWL_USERDATA); if(cinfo) { hFont = _acquire_font(handle, cinfo->fontname); mustdelete = 1; } } oldFont = SelectObject(hdc, hFont); SetTextColor(hdc, _foreground[threadid]); if(_background[threadid] == DW_RGB_TRANSPARENT) SetBkMode(hdc, TRANSPARENT); else { SetBkMode(hdc, OPAQUE); SetBkColor(hdc, _background[threadid]); } TextOut(hdc, x, y, text, strlen(text)); SelectObject(hdc, oldFont); if(mustdelete) DeleteObject(hFont); if(!pixmap) ReleaseDC(handle, hdc); } /* Query the width and height of a text string. * Parameters: * handle: Handle to the window. * pixmap: Handle to the pixmap. (choose only one of these) * text: Text to be queried. * width: Pointer to a variable to be filled in with the width. * height Pointer to a variable to be filled in with the height. */ void API dw_font_text_extents(HWND handle, HPIXMAP pixmap, char *text, int *width, int *height) { HDC hdc; int mustdelete = 0; HFONT hFont = NULL, oldFont; SIZE sz; if(handle) hdc = GetDC(handle); else if(pixmap) hdc = pixmap->hdc; else return; { ColorInfo *cinfo; if(handle) cinfo = (ColorInfo *)GetWindowLong(handle, GWL_USERDATA); else cinfo = (ColorInfo *)GetWindowLong(pixmap->handle, GWL_USERDATA); if(cinfo) { hFont = _acquire_font(handle, cinfo->fontname); mustdelete = 1; } } oldFont = SelectObject(hdc, hFont); GetTextExtentPoint32(hdc, text, strlen(text), &sz); if(width) *width = sz.cx; if(height) *height = sz.cy; SelectObject(hdc, oldFont); if(mustdelete) DeleteObject(hFont); if(!pixmap) ReleaseDC(handle, hdc); } /* Call this after drawing to the screen to make sure * anything you have drawn is visible. */ void API dw_flush(void) { } /* * Creates a pixmap with given parameters. * Parameters: * handle: Window handle the pixmap is associated with. * width: Width of the pixmap in pixels. * height: Height of the pixmap in pixels. * depth: Color depth of the pixmap. * Returns: * A handle to a pixmap or NULL on failure. */ HPIXMAP API dw_pixmap_new(HWND handle, unsigned long width, unsigned long height, int depth) { HPIXMAP pixmap; BITMAP bm; HDC hdc; if (!(pixmap = calloc(1,sizeof(struct _hpixmap)))) return NULL; hdc = GetDC(handle); pixmap->width = width; pixmap->height = height; pixmap->handle = handle; pixmap->hbm = CreateCompatibleBitmap(hdc, width, height); pixmap->hdc = CreateCompatibleDC(hdc); SelectObject(pixmap->hdc, pixmap->hbm); ReleaseDC(handle, hdc); return pixmap; } /* * Creates a pixmap from a file. * Parameters: * handle: Window handle the pixmap is associated with. * filename: Name of the file, omit extention to have * DW pick the appropriate file extension. * (BMP on OS/2 or Windows, XPM on Unix) * Returns: * A handle to a pixmap or NULL on failure. */ HPIXMAP API dw_pixmap_new_from_file(HWND handle, char *filename) { HPIXMAP pixmap; BITMAP bm; HDC hdc; char *file = malloc(strlen(filename) + 5); if (!file || !(pixmap = calloc(1,sizeof(struct _hpixmap)))) { if(file) free(file); return NULL; } strcpy(file, filename); /* check if we can read from this file (it exists and read permission) */ if(access(file, 04) != 0) { /* Try with .bmp extention */ strcat(file, ".bmp"); if(access(file, 04) != 0) { free(pixmap); free(file); return NULL; } } hdc = GetDC(handle); pixmap->handle = handle; pixmap->hbm = (HBITMAP)LoadImage(NULL, file, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE); if(!pixmap->hbm) { free(file); free(pixmap); ReleaseDC(handle, hdc); return NULL; } pixmap->hdc = CreateCompatibleDC(hdc); GetObject(pixmap->hbm, sizeof(bm), &bm); pixmap->width = bm.bmWidth; pixmap->height = bm.bmHeight; SelectObject(pixmap->hdc, pixmap->hbm); ReleaseDC(handle, hdc); free(file); return pixmap; } /* * Creates a pixmap from internal resource graphic specified by id. * Parameters: * handle: Window handle the pixmap is associated with. * id: Resource ID associated with requested pixmap. * Returns: * A handle to a pixmap or NULL on failure. */ HPIXMAP API dw_pixmap_grab(HWND handle, ULONG id) { HPIXMAP pixmap; BITMAP bm; HDC hdc; if (!(pixmap = calloc(1,sizeof(struct _hpixmap)))) return NULL; hdc = GetDC(handle); pixmap->hbm = LoadBitmap(DWInstance, MAKEINTRESOURCE(id)); pixmap->hdc = CreateCompatibleDC(hdc); GetObject(pixmap->hbm, sizeof(BITMAP), (void *)&bm); pixmap->width = bm.bmWidth; pixmap->height = bm.bmHeight; SelectObject(pixmap->hdc, pixmap->hbm); ReleaseDC(handle, hdc); return pixmap; } /* * Destroys an allocated pixmap. * Parameters: * pixmap: Handle to a pixmap returned by * dw_pixmap_new.. */ void API dw_pixmap_destroy(HPIXMAP pixmap) { if(pixmap) { DeleteDC(pixmap->hdc); DeleteObject(pixmap->hbm); free(pixmap); } } /* * Copies from one item to another. * Parameters: * dest: Destination window handle. * destp: Destination pixmap. (choose only one). * xdest: X coordinate of destination. * ydest: Y coordinate of destination. * width: Width of area to copy. * height: Height of area to copy. * src: Source window handle. * srcp: Source pixmap. (choose only one). * xsrc: X coordinate of source. * ysrc: Y coordinate of source. */ void API dw_pixmap_bitblt(HWND dest, HPIXMAP destp, int xdest, int ydest, int width, int height, HWND src, HPIXMAP srcp, int xsrc, int ysrc) { HDC hdcdest; HDC hdcsrc; if(dest) hdcdest = GetDC(dest); else if(destp) hdcdest = destp->hdc; else return; if(src) hdcsrc = GetDC(src); else if(srcp) hdcsrc = srcp->hdc; else return; BitBlt(hdcdest, xdest, ydest, width, height, hdcsrc, xsrc, ysrc, SRCCOPY); if(!destp) ReleaseDC(dest, hdcdest); if(!srcp) ReleaseDC(src, hdcsrc); } /* * Emits a beep. * Parameters: * freq: Frequency. * dur: Duration. */ void API dw_beep(int freq, int dur) { Beep(freq, dur); } /* Open a shared library and return a handle. * Parameters: * name: Base name of the shared library. * handle: Pointer to a module handle, * will be filled in with the handle. */ int API dw_module_load(char *name, HMOD *handle) { if(!handle) return -1; *handle = LoadLibrary(name); return (NULL == *handle); } /* Queries the address of a symbol within open handle. * Parameters: * handle: Module handle returned by dw_module_load() * name: Name of the symbol you want the address of. * func: A pointer to a function pointer, to obtain * the address. */ int API dw_module_symbol(HMOD handle, char *name, void**func) { if(!func || !name) return -1; if(0 == strlen(name)) return -1; *func = (void*)GetProcAddress(handle, name); return (NULL == *func); } /* Frees the shared library previously opened. * Parameters: * handle: Module handle returned by dw_module_load() */ int API dw_module_close(HMOD handle) { return FreeLibrary(handle); } /* * Returns the handle to an unnamed mutex semaphore. */ HMTX API dw_mutex_new(void) { return (HMTX)CreateMutex(NULL, FALSE, NULL); } /* * Closes a semaphore created by dw_mutex_new(). * Parameters: * mutex: The handle to the mutex returned by dw_mutex_new(). */ void API dw_mutex_close(HMTX mutex) { CloseHandle((HANDLE)mutex); } /* * Tries to gain access to the semaphore, if it can't it blocks. * Parameters: * mutex: The handle to the mutex returned by dw_mutex_new(). */ void API dw_mutex_lock(HMTX mutex) { if(_dwtid == dw_thread_id()) { int rc = WaitForSingleObject((HANDLE)mutex, 0); while(rc == WAIT_TIMEOUT) { dw_main_sleep(1); rc = WaitForSingleObject((HANDLE)mutex, 0); } } else WaitForSingleObject((HANDLE)mutex, INFINITE); } /* * Reliquishes the access to the semaphore. * Parameters: * mutex: The handle to the mutex returned by dw_mutex_new(). */ void API dw_mutex_unlock(HMTX mutex) { ReleaseMutex((HANDLE)mutex); } /* * Returns the handle to an unnamed event semaphore. */ HEV API dw_event_new(void) { return CreateEvent(NULL, TRUE, FALSE, NULL); } /* * Resets a semaphore created by dw_event_new(). * Parameters: * eve: The handle to the event returned by dw_event_new(). */ int API dw_event_reset(HEV eve) { return ResetEvent(eve); } /* * Posts a semaphore created by dw_event_new(). Causing all threads * waiting on this event in dw_event_wait to continue. * Parameters: * eve: The handle to the event returned by dw_event_new(). */ int API dw_event_post(HEV eve) { return SetEvent(eve); } /* * Waits on a semaphore created by dw_event_new(), until the * event gets posted or until the timeout expires. * Parameters: * eve: The handle to the event returned by dw_event_new(). */ int API dw_event_wait(HEV eve, unsigned long timeout) { int rc; rc = WaitForSingleObject(eve, timeout); if(rc == WAIT_OBJECT_0) return 1; if(rc == WAIT_ABANDONED) return -1; return 0; } /* * Closes a semaphore created by dw_event_new(). * Parameters: * eve: The handle to the event returned by dw_event_new(). */ int API dw_event_close(HEV *eve) { if(eve) return CloseHandle(*eve); return FALSE; } /* * Creates a new thread with a starting point of func. * Parameters: * func: Function which will be run in the new thread. * data: Parameter(s) passed to the function. * stack: Stack size of new thread (OS/2 and Windows only). */ DWTID API dw_thread_new(void *func, void *data, int stack) { #if defined(__CYGWIN__) return 0; #else return (DWTID)_beginthread((void(*)(void *))func, stack, data); #endif } /* * Ends execution of current thread immediately. */ void API dw_thread_end(void) { #if !defined(__CYGWIN__) _endthread(); #endif } /* * Returns the current thread's ID. */ DWTID API dw_thread_id(void) { #if defined(__CYGWIN__) return 0; #else return (DWTID)GetCurrentThreadId(); #endif } /* * Cleanly terminates a DW session, should be signal handler safe. * Parameters: * exitcode: Exit code reported to the operating system. */ void API dw_exit(int exitcode) { exit(exitcode); } /* * Creates a splitbar window (widget) with given parameters. * Parameters: * type: Value can be DW_VERT or DW_HORZ. * topleft: Handle to the window to be top or left. * bottomright: Handle to the window to be bottom or right. * Returns: * A handle to a splitbar window or NULL on failure. */ HWND API dw_splitbar_new(int type, HWND topleft, HWND bottomright, unsigned long id) { HWND tmp = CreateWindow(SplitbarClassName, "", WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN, 0,0,2000,1000, DW_HWND_OBJECT, (HMENU)id, DWInstance, NULL); if(tmp) { HWND tmpbox = dw_box_new(DW_VERT, 0); float *percent = (float *)malloc(sizeof(float)); dw_box_pack_start(tmpbox, topleft, 1, 1, TRUE, TRUE, 0); SetParent(tmpbox, tmp); dw_window_set_data(tmp, "_dw_topleft", (void *)tmpbox); tmpbox = dw_box_new(DW_VERT, 0); dw_box_pack_start(tmpbox, bottomright, 1, 1, TRUE, TRUE, 0); SetParent(tmpbox, tmp); dw_window_set_data(tmp, "_dw_bottomright", (void *)tmpbox); *percent = 50.0; dw_window_set_data(tmp, "_dw_percent", (void *)percent); dw_window_set_data(tmp, "_dw_type", (void *)type); } return tmp; } /* * Sets the position of a splitbar (pecentage). * Parameters: * handle: The handle to the splitbar returned by dw_splitbar_new(). */ void API dw_splitbar_set(HWND handle, float percent) { float *mypercent = (float *)dw_window_get_data(handle, "_dw_percent"); int type = (int)dw_window_get_data(handle, "_dw_type"); unsigned long width, height; if(mypercent) *mypercent = percent; dw_window_get_pos_size(handle, NULL, NULL, &width, &height); _handle_splitbar_resize(handle, percent, type, width, height); } /* * Gets the position of a splitbar (pecentage). * Parameters: * handle: The handle to the splitbar returned by dw_splitbar_new(). */ float API dw_splitbar_get(HWND handle) { float *percent = (float *)dw_window_get_data(handle, "_dw_percent"); if(percent) return *percent; return 0.0; } /* * Pack windows (widgets) into a box from the end (or bottom). * Parameters: * box: Window handle of the box to be packed into. * item: Window handle of the item to be back. * width: Width in pixels of the item or -1 to be self determined. * height: Height in pixels of the item or -1 to be self determined. * hsize: TRUE if the window (widget) should expand horizontally to fill space given. * vsize: TRUE if the window (widget) should expand vertically to fill space given. * pad: Number of pixels of padding around the item. */ void API dw_box_pack_end(HWND box, HWND item, int width, int height, int hsize, int vsize, int pad) { Box *thisbox; thisbox = (Box *)GetWindowLong(box, GWL_USERDATA); if(thisbox) { int z; Item *tmpitem, *thisitem = thisbox->items; char tmpbuf[100]; tmpitem = malloc(sizeof(Item)*(thisbox->count+1)); for(z=0;z<thisbox->count;z++) { tmpitem[z+1] = thisitem[z]; } GetClassName(item, tmpbuf, 99); if(vsize && !height) height = 1; if(hsize && !width) width = 1; if(strnicmp(tmpbuf, FRAMECLASSNAME, 2)==0) tmpitem[0].type = TYPEBOX; else tmpitem[0].type = TYPEITEM; tmpitem[0].hwnd = item; tmpitem[0].origwidth = tmpitem[0].width = width; tmpitem[0].origheight = tmpitem[0].height = height; tmpitem[0].pad = pad; if(hsize) tmpitem[0].hsize = SIZEEXPAND; else tmpitem[0].hsize = SIZESTATIC; if(vsize) tmpitem[0].vsize = SIZEEXPAND; else tmpitem[0].vsize = SIZESTATIC; thisbox->items = tmpitem; if(thisbox->count) free(thisitem); thisbox->count++; SetParent(item, box); if(strncmp(tmpbuf, UPDOWN_CLASS, strlen(UPDOWN_CLASS))==0) { ColorInfo *cinfo = (ColorInfo *)GetWindowLong(item, GWL_USERDATA); if(cinfo) { SetParent(cinfo->buddy, box); ShowWindow(cinfo->buddy, SW_SHOW); SendMessage(item, UDM_SETBUDDY, (WPARAM)cinfo->buddy, 0); } } } } /* * Sets the default focus item for a window/dialog. * Parameters: * window: Toplevel window or dialog. * defaultitem: Handle to the dialog item to be default. */ void API dw_window_default(HWND window, HWND defaultitem) { Box *thisbox = (Box *)GetWindowLong(window, GWL_USERDATA); if(thisbox) thisbox->defaultitem = defaultitem; } /* * Sets window to click the default dialog item when an ENTER is pressed. * Parameters: * window: Window (widget) to look for the ENTER press. * next: Window (widget) to move to next (or click) */ void API dw_window_click_default(HWND window, HWND next) { ColorInfo *cinfo = (ColorInfo *)GetWindowLong(window, GWL_USERDATA); if(cinfo) cinfo->clickdefault = next; } /* * Returns some information about the current operating environment. * Parameters: * env: Pointer to a DWEnv struct. */ void API dw_environment_query(DWEnv *env) { if(!env) return; /* Get the Windows version. */ env->MajorVersion = (DWORD)(LOBYTE(LOWORD(dwVersion))); env->MinorVersion = (DWORD)(HIBYTE(LOWORD(dwVersion))); /* Get the build number for Windows NT/Windows 2000. */ env->MinorBuild = 0; if (dwVersion < 0x80000000) { if(env->MajorVersion == 5 && env->MinorVersion == 1) strcpy(env->osName, "Windows XP"); else if(env->MajorVersion == 5 && env->MinorVersion == 0) strcpy(env->osName, "Windows 2000"); else strcpy(env->osName, "Windows NT"); env->MajorBuild = (DWORD)(HIWORD(dwVersion)); } else { strcpy(env->osName, "Windows 95/98/ME"); env->MajorBuild = 0; } strcpy(env->buildDate, __DATE__); strcpy(env->buildTime, __TIME__); env->DWMajorVersion = DW_MAJOR_VERSION; env->DWMinorVersion = DW_MINOR_VERSION; env->DWSubVersion = DW_SUB_VERSION; } /* * Opens a file dialog and queries user selection. * Parameters: * title: Title bar text for dialog. * defpath: The default path of the open dialog. * ext: Default file extention. * flags: DW_FILE_OPEN or DW_FILE_SAVE. * Returns: * NULL on error. A malloced buffer containing * the file path on success. * */ char * API dw_file_browse(char *title, char *defpath, char *ext, int flags) { OPENFILENAME of; char filenamebuf[1001] = ""; int rc; if(ext) { strcpy(filenamebuf, "*."); strcat(filenamebuf, ext); } memset(&of, 0, sizeof(OPENFILENAME)); of.lStructSize = sizeof(OPENFILENAME); of.hwndOwner = HWND_DESKTOP; of.hInstance = DWInstance; of.lpstrInitialDir = defpath; of.lpstrTitle = title; of.lpstrFile = filenamebuf; of.nMaxFile = 1000; of.lpstrDefExt = ext; of.Flags = 0; if(flags & DW_FILE_SAVE) rc = GetSaveFileName(&of); else rc = GetOpenFileName(&of); if(rc) return strdup(of.lpstrFile); return NULL; } /* * Execute and external program in a seperate session. * Parameters: * program: Program name with optional path. * type: Either DW_EXEC_CON or DW_EXEC_GUI. * params: An array of pointers to string arguements. * Returns: * -1 on error. */ int API dw_exec(char *program, int type, char **params) { char **newparams; int retcode, count = 0, z; while(params[count]) { count++; } newparams = (char **)malloc(sizeof(char *) * (count+1)); for(z=0;z<count;z++) { newparams[z] = malloc(strlen(params[z])+3); strcpy(newparams[z], "\""); strcat(newparams[z], params[z]); strcat(newparams[z], "\""); } newparams[count] = NULL; retcode = spawnvp(P_NOWAIT, program, newparams); for(z=0;z<count;z++) { free(newparams[z]); } free(newparams); return retcode; } /* * Loads a web browser pointed at the given URL. * Parameters: * url: Uniform resource locator. */ int API dw_browse(char *url) { char *browseurl = url; int retcode; if(strlen(url) > 7 && strncmp(url, "file://", 7) == 0) { int len, z; browseurl = &url[7]; len = strlen(browseurl); for(z=0;z<len;z++) { if(browseurl[z] == '|') browseurl[z] = ':'; if(browseurl[z] == '/') browseurl[z] = '\\'; } } retcode = (int)ShellExecute(NULL, "open", browseurl, NULL, NULL, SW_SHOWNORMAL); if(retcode<33 && retcode != 2) return -1; return 1; } /* * Returns a pointer to a static buffer which containes the * current user directory. Or the root directory (C:\ on * OS/2 and Windows). */ char * API dw_user_dir(void) { static char _user_dir[1024] = ""; if(!_user_dir[0]) { /* Figure out how to do this the "Windows way" */ char *home = getenv("HOME"); if(home) strcpy(_user_dir, home); else strcpy(_user_dir, "C:\\"); } return _user_dir; } /* * Call a function from the window (widget)'s context. * Parameters: * handle: Window handle of the widget. * function: Function pointer to be called. * data: Pointer to the data to be passed to the function. */ void API dw_window_function(HWND handle, void *function, void *data) { SendMessage(handle, WM_USER, (WPARAM)function, (LPARAM)data); } /* Functions for managing the user data lists that are associated with * a given window handle. Used in dw_window_set_data() and * dw_window_get_data(). */ UserData *_find_userdata(UserData **root, char *varname) { UserData *tmp = *root; while(tmp) { if(stricmp(tmp->varname, varname) == 0) return tmp; tmp = tmp->next; } return NULL; } int _new_userdata(UserData **root, char *varname, void *data) { UserData *new = _find_userdata(root, varname); if(new) { new->data = data; return TRUE; } else { new = malloc(sizeof(UserData)); if(new) { new->varname = strdup(varname); new->data = data; new->next = NULL; if (!*root) *root = new; else { UserData *prev = NULL, *tmp = *root; while(tmp) { prev = tmp; tmp = tmp->next; } if(prev) prev->next = new; else *root = new; } return TRUE; } } return FALSE; } int _remove_userdata(UserData **root, char *varname, int all) { UserData *prev = NULL, *tmp = *root; while(tmp) { if(all || stricmp(tmp->varname, varname) == 0) { if(!prev) { *root = tmp->next; free(tmp->varname); free(tmp); if(!all) return 0; tmp = *root; } else { /* If all is true we should * never get here. */ prev->next = tmp->next; free(tmp->varname); free(tmp); return 0; } } else { prev = tmp; tmp = tmp->next; } } return 0; } /* * Add a named user data item to a window handle. * Parameters: * window: Window handle of signal to be called back. * dataname: A string pointer identifying which signal to be hooked. * data: User data to be passed to the handler function. */ void API dw_window_set_data(HWND window, char *dataname, void *data) { ColorInfo *cinfo = (ColorInfo *)GetWindowLong(window, GWL_USERDATA); if(!cinfo) { if(!dataname) return; cinfo = calloc(1, sizeof(ColorInfo)); cinfo->fore = cinfo->back = -1; SetWindowLong(window, GWL_USERDATA, (LONG)cinfo); } if(cinfo) { if(data) _new_userdata(&(cinfo->root), dataname, data); else { if(dataname) _remove_userdata(&(cinfo->root), dataname, FALSE); else _remove_userdata(&(cinfo->root), NULL, TRUE); } } } /* * Gets a named user data item to a window handle. * Parameters: * window: Window handle of signal to be called back. * dataname: A string pointer identifying which signal to be hooked. * data: User data to be passed to the handler function. */ void * API dw_window_get_data(HWND window, char *dataname) { ColorInfo *cinfo = (ColorInfo *)GetWindowLong(window, GWL_USERDATA); if(cinfo && cinfo->root && dataname) { UserData *ud = _find_userdata(&(cinfo->root), dataname); if(ud) return ud->data; } return NULL; } /* * Add a callback to a timer event. * Parameters: * interval: Milliseconds to delay between calls. * sigfunc: The pointer to the function to be used as the callback. * data: User data to be passed to the handler function. * Returns: * Timer ID for use with dw_timer_disconnect(), 0 on error. */ int API dw_timer_connect(int interval, void *sigfunc, void *data) { if(sigfunc) { int timerid = SetTimer(NULL, 0, interval, NULL); if(timerid) { _new_signal(WM_TIMER, NULL, timerid, sigfunc, data); return timerid; } } return 0; } /* * Removes timer callback. * Parameters: * id: Timer ID returned by dw_timer_connect(). */ void API dw_timer_disconnect(int id) { SignalHandler *prev = NULL, *tmp = Root; /* 0 is an invalid timer ID */ if(!id) return; KillTimer(NULL, id); while(tmp) { if(tmp->id == id) { if(prev) { prev->next = tmp->next; free(tmp); tmp = prev->next; } else { Root = tmp->next; free(tmp); tmp = Root; } } else { prev = tmp; tmp = tmp->next; } } } /* * Add a callback to a window event. * Parameters: * window: Window handle of signal to be called back. * signame: A string pointer identifying which signal to be hooked. * sigfunc: The pointer to the function to be used as the callback. * data: User data to be passed to the handler function. */ void API dw_signal_connect(HWND window, char *signame, void *sigfunc, void *data) { ULONG message = 0L; if(window && signame && sigfunc) { if(stricmp(signame, DW_SIGNAL_SET_FOCUS) == 0) window = _normalize_handle(window); if((message = _findsigmessage(signame)) != 0) _new_signal(message, window, 0, sigfunc, data); } } /* * Removes callbacks for a given window with given name. * Parameters: * window: Window handle of callback to be removed. */ void API dw_signal_disconnect_by_name(HWND window, char *signame) { SignalHandler *prev = NULL, *tmp = Root; ULONG message; if(!window || !signame || (message = _findsigmessage(signame)) == 0) return; while(tmp) { if(tmp->window == window && tmp->message == message) { if(prev) { prev->next = tmp->next; free(tmp); tmp = prev->next; } else { Root = tmp->next; free(tmp); tmp = Root; } } else { prev = tmp; tmp = tmp->next; } } } /* * Removes all callbacks for a given window. * Parameters: * window: Window handle of callback to be removed. */ void API dw_signal_disconnect_by_window(HWND window) { SignalHandler *prev = NULL, *tmp = Root; while(tmp) { if(tmp->window == window) { if(prev) { prev->next = tmp->next; free(tmp); tmp = prev->next; } else { Root = tmp->next; free(tmp); tmp = Root; } } else { prev = tmp; tmp = tmp->next; } } } /* * Removes all callbacks for a given window with specified data. * Parameters: * window: Window handle of callback to be removed. * data: Pointer to the data to be compared against. */ void API dw_signal_disconnect_by_data(HWND window, void *data) { SignalHandler *prev = NULL, *tmp = Root; while(tmp) { if(tmp->window == window && tmp->data == data) { if(prev) { prev->next = tmp->next; free(tmp); tmp = prev->next; } else { Root = tmp->next; free(tmp); tmp = Root; } } else { prev = tmp; tmp = tmp->next; } } }