Mercurial > dwindows
view template/dw.c @ 1261:61d0c5f84644
Initial attempt at adding dw_draw_arc() support on all platforms.
This code doesn't yet work... will probably require a bunch of fixes...
but I wanted to get the code committed while doing research on it.
author | bsmith@81767d24-ef19-dc11-ae90-00e081727c95 |
---|---|
date | Tue, 25 Oct 2011 10:51:59 +0000 |
parents | 70dca53cb071 |
children | 0b34e2cf0706 |
line wrap: on
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/* * Dynamic Windows: * A GTK like GUI implementation template. * * (C) 2011 Brian Smith <brian@dbsoft.org> * (C) 2011 Mark Hessling <mark@rexx.org> * */ #include "dw.h" #include <stdlib.h> #include <string.h> /* Implement these to get and set the Box* pointer on the widget handle */ void *_dw_get_window_pointer(HWND handle) { return NULL; } void _dw_set_window_pointer(HWND handle, Box *box) { } /* 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); #if 0 /* If there are containers which have built-in padding like * groupboxes.. calculate the padding size and add it to the layout. */ if(thisbox->grouphwnd) { char *text = dw_window_get_text(thisbox->grouphwnd); thisbox->grouppady = 0; if(text) { dw_font_text_extents_get(thisbox->grouphwnd, 0, text, NULL, &thisbox->grouppady); dw_free(text); } if(thisbox->grouppady) thisbox->grouppady += 3; else thisbox->grouppady = 6; thisbox->grouppadx = 6; (*usedx) += thisbox->grouppadx; (*usedpadx) += thisbox->grouppadx; (*usedy) += thisbox->grouppady; (*usedpady) += thisbox->grouppady; } #endif for(z=0;z<thisbox->count;z++) { if(thisbox->items[z].type == TYPEBOX) { int initialx, initialy; Box *tmp = (Box *)_dw_get_window_pointer(thisbox->items[z].hwnd); 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) { int tmppad = (thisbox->items[z].pad*2)+(tmp->pad*2)+tmp->grouppady; if((thisbox->items[z].width - tmppad)!=0) tmp->xratio = ((float)((thisbox->items[z].width * thisbox->xratio)-tmppad))/((float)(thisbox->items[z].width-tmppad)); } 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) { int tmppad = (thisbox->items[z].pad*2)+(tmp->pad*2)+tmp->grouppadx; if((thisbox->items[z].height-tmppad)!=0) tmp->yratio = ((float)((thisbox->items[z].height * thisbox->yratio)-tmppad))/((float)(thisbox->items[z].height-tmppad)); } 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) { int tmppad = (thisbox->items[z].pad*2)+(thisbox->parentpad*2)+thisbox->grouppadx; if((thisbox->minwidth-tmppad) == 0) thisbox->items[z].xratio = 1.0; else thisbox->items[z].xratio = ((float)((thisbox->width * thisbox->parentxratio)-tmppad))/((float)(thisbox->minwidth-tmppad)); } 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) { int tmppad = (thisbox->items[z].pad*2)+(thisbox->parentpad*2)+thisbox->grouppady; if((thisbox->minheight-tmppad) == 0) thisbox->items[z].yratio = 1.0; else thisbox->items[z].yratio = ((float)((thisbox->height * thisbox->parentyratio)-tmppad))/((float)(thisbox->minheight-tmppad)); } 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 *)_dw_get_window_pointer(thisbox->items[z].hwnd); 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) { int itemwidth = (thisbox->items[z].pad*2) + thisbox->items[z].width; if(itemwidth > uxmax) uxmax = itemwidth; if(thisbox->items[z].hsize != SIZEEXPAND) { if(itemwidth > upxmax) upxmax = itemwidth; } 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) { int itemheight = (thisbox->items[z].pad*2) + thisbox->items[z].height; if(itemheight > uymax) uymax = itemheight; if(thisbox->items[z].vsize != SIZEEXPAND) { if(itemheight > upymax) upymax = itemheight; } 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; if(thisbox->grouphwnd) { currentx += 3; currenty += thisbox->grouppady - 3; } /* 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 *)_dw_get_window_pointer(thisbox->items[z].hwnd); if(tmp) { if(*depth > 0) { float calcval; if(thisbox->type == DW_VERT) { calcval = (float)(tmp->minwidth-((thisbox->items[z].pad*2)+(thisbox->pad*2))); if(calcval == 0.0) tmp->xratio = thisbox->xratio; else tmp->xratio = ((float)((thisbox->items[z].width * thisbox->xratio)-((thisbox->items[z].pad*2)+(thisbox->pad*2))))/calcval; tmp->width = thisbox->items[z].width; } if(thisbox->type == DW_HORZ) { calcval = (float)(tmp->minheight-((thisbox->items[z].pad*2)+(thisbox->pad*2))); if(calcval == 0.0) tmp->yratio = thisbox->yratio; else tmp->yratio = ((float)((thisbox->items[z].height * thisbox->yratio)-((thisbox->items[z].pad*2)+(thisbox->pad*2))))/calcval; 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; #if 0 /* Here you put your platform specific placement widget placement code */ PlaceWidget(handle, currentx + pad, currenty + pad, width + vectorx, height + vectory); /* If any special handling needs to be done... like diving into * controls that have sub-layouts... like notebooks or splitbars... * do that here. Figure out the sub-layout size and call _do_resize(). */ #endif if(thisbox->type == DW_HORZ) currentx += width + vectorx + (pad * 2); if(thisbox->type == DW_VERT) currenty += height + vectory + (pad * 2); } } } return 0; } /* This is a convenience function used in the window's resize event * to relayout the controls in the window. */ 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); } } } /* * Runs a message loop for Dynamic Windows. */ void API dw_main(void) { } /* * 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) { } /* * Processes a single message iteration and returns. */ void API dw_main_iteration(void) { } /* * 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); } /* * 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); } /* * Returns a pointer to a static buffer which contains the * current user directory. Or the root directory if it could * not be determined. */ char *dw_user_dir(void) { static char _user_dir[1024] = ""; if(!_user_dir[0]) { char *home = getenv("HOME"); if(home) strcpy(_user_dir, home); else strcpy(_user_dir, "/"); } return _user_dir; } /* * Displays a Message Box with given text and title.. * Parameters: * title: The title of the message box. * flags: flags to indicate buttons and icon * format: printf style format string. * ...: Additional variables for use in the format. * Returns: * DW_MB_RETURN_YES, DW_MB_RETURN_NO, DW_MB_RETURN_OK, * or DW_MB_RETURN_CANCEL based on flags and user response. */ int API dw_messagebox(char *title, int flags, char *format, ...) { return 0; } /* * 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) { return NULL; } /* * Gets the contents of the default clipboard as text. * Parameters: * None. * Returns: * Pointer to an allocated string of text or NULL if clipboard empty or contents could not * be converted to text. */ char *dw_clipboard_get_text() { return NULL; } /* * Sets the contents of the default clipboard to the supplied text. * Parameters: * str: Text to put on the clipboard. * len: Length of the text. */ void dw_clipboard_set_text(char *str, int len) { } /* * Allocates and initializes a dialog struct. * Parameters: * data: User defined data to be passed to functions. * Returns: * A handle to a dialog or NULL on failure. */ DWDialog * API dw_dialog_new(void *data) { #if 0 DWDialog *tmp = malloc(sizeof(DWDialog)); if(tmp) { tmp->eve = dw_event_new(); dw_event_reset(tmp->eve); tmp->data = data; tmp->done = FALSE; tmp->result = NULL; } return tmp; #endif return NULL; } /* * 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(). * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_dialog_dismiss(DWDialog *dialog, void *result) { #if 0 dialog->result = result; dw_event_post(dialog->eve); dialog->done = TRUE; #endif return DW_ERROR_GENERAL; } /* * 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). * Returns: * The data passed to dw_dialog_dismiss(). */ void * API dw_dialog_wait(DWDialog *dialog) { void *tmp = NULL; #if 0 while(!dialog->done) { dw_main_iteration(); } dw_event_close(&dialog->eve); tmp = dialog->result; free(dialog); #endif return tmp; } /* * 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. * Returns: * A handle to a box or NULL on failure. */ HWND API dw_box_new(int type, int pad) { return 0; } /* * 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. * Returns: * A handle to a groupbox window or NULL on failure. */ HWND API dw_groupbox_new(int type, int pad, char *title) { return 0; } /* * Create a new scrollable Box to be packed. * Parameters: * type: Either DW_VERT (vertical) or DW_HORZ (horizontal). * pad: Number of pixels to pad around the box. * Returns: * A handle to a scrollbox or NULL on failure. */ HWND API dw_scrollbox_new( int type, int pad ) { return 0; } /* * Returns the position of the scrollbar in the scrollbox. * Parameters: * handle: Handle to the scrollbox to be queried. * orient: The vertical or horizontal scrollbar. * Returns: * The vertical or horizontal position in the scrollbox. */ int API dw_scrollbox_get_pos(HWND handle, int orient) { return 0; } /* * Gets the range for the scrollbar in the scrollbox. * Parameters: * handle: Handle to the scrollbox to be queried. * orient: The vertical or horizontal scrollbar. * Returns: * The vertical or horizontal range of the scrollbox. */ int API dw_scrollbox_get_range(HWND handle, int orient) { return 0; } /* Internal box packing function called by the other 3 functions */ void _dw_box_pack(HWND box, HWND item, int index, int width, int height, int hsize, int vsize, int pad, char *funcname) { Box *thisbox; int z, x = 0; Item *tmpitem, *thisitem; thisbox = _dw_get_window_pointer(box); thisitem = thisbox->items; /* Do some sanity bounds checking */ if(index < 0) index = 0; if(index > thisbox->count) index = thisbox->count; /* Duplicate the existing data */ tmpitem = malloc(sizeof(Item)*(thisbox->count+1)); for(z=0;z<thisbox->count;z++) { if(z == index) x++; tmpitem[x] = thisitem[z]; x++; } /* Sanity checks */ if(vsize && !height) height = 1; if(hsize && !width) width = 1; /* Fill in the item data appropriately */ if(0 /* Test to see if "item" is a box */) tmpitem[index].type = TYPEBOX; else tmpitem[index].type = TYPEITEM; tmpitem[index].hwnd = item; tmpitem[index].origwidth = tmpitem[index].width = width; tmpitem[index].origheight = tmpitem[index].height = height; tmpitem[index].pad = pad; if(hsize) tmpitem[index].hsize = SIZEEXPAND; else tmpitem[index].hsize = SIZESTATIC; if(vsize) tmpitem[index].vsize = SIZEEXPAND; else tmpitem[index].vsize = SIZESTATIC; thisbox->items = tmpitem; /* Update the item count */ thisbox->count++; /* Add the item to the box */ #if 0 /* Platform specific code to add item to box */ BoxAdd(box, item); #endif /* Free the old data */ if(thisbox->count) free(thisitem); } /* * Pack windows (widgets) into a box at an arbitrary location. * Parameters: * box: Window handle of the box to be packed into. * item: Window handle of the item to be back. * index: 0 based index of packed items. * 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_at_index(HWND box, HWND item, int index, int width, int height, int hsize, int vsize, int pad) { _dw_box_pack(box, item, index, width, height, hsize, vsize, pad, "dw_box_pack_at_index()"); } /* * 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) { /* 65536 is the table limit on GTK... * seems like a high enough value we will never hit it here either. */ _dw_box_pack(box, item, 65536, width, height, hsize, vsize, pad, "dw_box_pack_start()"); } /* * 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) { _dw_box_pack(box, item, 0, width, height, hsize, vsize, pad, "dw_box_pack_end()"); } /* * 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. * Returns: * A handle to a button window or NULL on failure. */ HWND API dw_button_new(char *text, ULONG cid) { return 0; } /* * 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. * Returns: * A handle to an entryfield window or NULL on failure. */ HWND API dw_entryfield_new(char *text, ULONG cid) { return 0; } /* * Create a new Entryfield (password) 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. * Returns: * A handle to an entryfield password window or NULL on failure. */ HWND API dw_entryfield_password_new(char *text, ULONG cid) { return 0; } /* * 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) { } /* * 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. * Returns: * A handle to a bitmap button window or NULL on failure. */ HWND API dw_bitmapbutton_new(char *text, ULONG resid) { return 0; } /* * 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) * Returns: * A handle to a bitmap button window or NULL on failure. */ HWND API dw_bitmapbutton_new_from_file(char *text, unsigned long cid, char *filename) { return 0; } /* * Create a new bitmap button window (widget) to be packed from data. * Parameters: * text: Bubble help text to be displayed. * id: An ID to be used with dw_window_from_id() or 0L. * data: The contents of the image * (BMP or ICO on OS/2 or Windows, XPM on Unix) * len: length of str * Returns: * A handle to a bitmap button window or NULL on failure. */ HWND API dw_bitmapbutton_new_from_data(char *text, unsigned long cid, char *data, int len) { return 0; } /* * 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. * Returns: * A handle to a spinbutton window or NULL on failure. */ HWND API dw_spinbutton_new(char *text, ULONG cid) { return 0; } /* * 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) { } /* * Sets the spinbutton limits. * Parameters: * handle: Handle to the spinbutton to be set. * upper: Upper limit. * lower: Lower limit. */ void API dw_spinbutton_set_limits(HWND handle, long upper, long lower) { } /* * Returns the current value of the spinbutton. * Parameters: * handle: Handle to the spinbutton to be queried. * Returns: * Number value displayed in the spinbutton. */ long API dw_spinbutton_get_pos(HWND handle) { return 0; } /* * 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. * Returns: * A handle to a radio button window or NULL on failure. */ HWND API dw_radiobutton_new(char *text, ULONG cid) { return 0; } /* * 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. * Returns: * A handle to a slider window or NULL on failure. */ HWND API dw_slider_new(int vertical, int increments, ULONG cid) { return 0; } /* * Returns the position of the slider. * Parameters: * handle: Handle to the slider to be queried. * Returns: * Position of the slider in the set range. */ unsigned int API dw_slider_get_pos(HWND handle) { return 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) { } /* * Create a new scrollbar window (widget) to be packed. * Parameters: * vertical: TRUE or FALSE if scrollbar is vertical. * id: An ID to be used with dw_window_from_id() or 0L. * Returns: * A handle to a scrollbar window or NULL on failure. */ HWND API dw_scrollbar_new(int vertical, ULONG cid) { return 0; } /* * Returns the position of the scrollbar. * Parameters: * handle: Handle to the scrollbar to be queried. * Returns: * Position of the scrollbar in the set range. */ unsigned int API dw_scrollbar_get_pos(HWND handle) { return 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) { } /* * 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) { } /* * Create a new percent bar window (widget) to be packed. * Parameters: * id: An ID to be used with dw_window_from_id() or 0L. * Returns: * A handle to a percent bar window or NULL on failure. */ HWND API dw_percent_new(ULONG cid) { return 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) { } /* * 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. * Returns: * A handle to a checkbox window or NULL on failure. */ HWND API dw_checkbox_new(char *text, ULONG cid) { return 0; } /* * Returns the state of the checkbox. * Parameters: * handle: Handle to the checkbox to be queried. * Returns: * State of checkbox (TRUE or FALSE). */ int API dw_checkbox_get(HWND handle) { return FALSE; } /* * 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) { } /* * 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. * Returns: * A handle to a listbox window or NULL on failure. */ HWND API dw_listbox_new(ULONG cid, int multi) { return 0; } /* * 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) { } /* * Inserts the specified text into the listbox's (or combobox) entry list. * Parameters: * handle: Handle to the listbox to be inserted into. * text: Text to insert into listbox. * pos: 0-based position to insert text */ void API dw_listbox_insert(HWND handle, char *text, int pos) { } /* * Appends the specified text items to the listbox's (or combobox) entry list. * Parameters: * handle: Handle to the listbox to be appended to. * text: Text strings to append into listbox. * count: Number of text strings to append */ void API dw_listbox_list_append(HWND handle, char **text, int count) { } /* * 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) { } /* * Returns the listbox's item count. * Parameters: * handle: Handle to the listbox to be counted. * Returns: * The number of items in the listbox. */ int API dw_listbox_count(HWND handle) { return 0; } /* * 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) { } /* * 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_get_text(HWND handle, unsigned int index, char *buffer, unsigned int length) { } /* * 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) { } /* * Returns the index to the item in the list currently selected. * Parameters: * handle: Handle to the listbox to be queried. * Returns: * The selected item index or DW_ERROR_UNKNOWN (-1) on error. */ int API dw_listbox_selected(HWND handle) { return DW_ERROR_UNKNOWN; } /* * 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. * Returns: * The next selected item or DW_ERROR_UNKNOWN (-1) on error. */ int API dw_listbox_selected_multi(HWND handle, int where) { return DW_ERROR_UNKNOWN; } /* * 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) { } /* * 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) { } /* * 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. * Returns: * A handle to a combobox window or NULL on failure. */ HWND API dw_combobox_new(char *text, ULONG cid) { return 0; } /* * Create a new Multiline Editbox window (widget) to be packed. * Parameters: * id: An ID to be used with dw_window_from_id() or 0L. * Returns: * A handle to a MLE window or NULL on failure. */ HWND API dw_mle_new(ULONG cid) { return 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. * Returns: * Current position in the buffer. */ unsigned int API dw_mle_import(HWND handle, char *buffer, int startpoint) { return 0; } /* * 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) { } /* * 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_get_size(HWND handle, unsigned long *bytes, unsigned long *lines) { *bytes = 0; *lines = 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) { } /* * Clears all text from an MLE box. * Parameters: * handle: Handle to the MLE to be cleared. */ void API dw_mle_clear(HWND handle) { } /* * Sets the visible line of an MLE box. * Parameters: * handle: Handle to the MLE to be positioned. * line: Line to be visible. */ void API dw_mle_set_visible(HWND handle, int line) { } /* * 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) { } /* * 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) { } /* * 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_cursor(HWND handle, int point) { } /* * 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. * Returns: * Position in buffer or DW_ERROR_UNKNOWN (-1) on error. */ int API dw_mle_search(HWND handle, char *text, int point, unsigned long flags) { return DW_ERROR_UNKNOWN; } /* * 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) { } /* * 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. * Returns: * A handle to a status text window or NULL on failure. */ HWND API dw_status_text_new(char *text, ULONG cid) { return 0; } /* * 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. * Returns: * A handle to a text window or NULL on failure. */ HWND API dw_text_new(char *text, ULONG cid) { return 0; } /* * 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 cid) { return 0; } /* 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) { } /* 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) { } /* Allows the user to choose a color using the system's color chooser dialog. * Parameters: * value: current color * Returns: * The selected color or the current color if cancelled. */ unsigned long API dw_color_choose(unsigned long value) { return 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) { } /* 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) { } /* 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) { } /* 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_get(HWND handle, HPIXMAP pixmap, char *text, int *width, int *height) { } /* Draw a polygon on a window (preferably a render window). * Parameters: * handle: Handle to the window. * pixmap: Handle to the pixmap. (choose only one of these) * fill: Fill box TRUE or FALSE. * npoints: Number of points passed in. * x: Pointer to array of X coordinates. * y: Pointer to array of Y coordinates. */ void API dw_draw_polygon( HWND handle, HPIXMAP pixmap, int fill, int npoints, int *x, int *y ) { } /* 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) * fill: Fill box TRUE or FALSE. * 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) { } /* Draw an arc on a window (preferably a render window). * Parameters: * handle: Handle to the window. * pixmap: Handle to the pixmap. (choose only one of these) * flags: For future use. * xorigin: X coordinate of center of arc. * yorigin: Y coordinate of center of arc. * x1: X coordinate of first segment of arc. * y1: Y coordinate of first segment of arc. * x2: X coordinate of second segment of arc. * y2: Y coordinate of second segment of arc. */ void API dw_draw_arc(HWND handle, HPIXMAP pixmap, int flags, int xorigin, int yorigin, int x1, int y1, int x2, int y2) { } /* * Create a tree object to be packed. * Parameters: * id: An ID to be used for getting the resource from the * resource file. * Returns: * A handle to a tree window or NULL on failure. */ HWND API dw_tree_new(ULONG cid) { return 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. * Returns: * A handle to a tree item or NULL on failure. */ HTREEITEM API dw_tree_insert_after(HWND handle, HTREEITEM item, char *title, HICN icon, HTREEITEM parent, void *itemdata) { return 0; } /* * 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. * Returns: * A handle to a tree item or NULL on failure. */ HTREEITEM API dw_tree_insert(HWND handle, char *title, HICN icon, HTREEITEM parent, void *itemdata) { return 0; } /* * Gets the text an item in a tree window (widget). * Parameters: * handle: Handle to the tree containing the item. * item: Handle of the item to be modified. * Returns: * A malloc()ed buffer of item text to be dw_free()ed or NULL on error. */ char * API dw_tree_get_title(HWND handle, HTREEITEM item) { return NULL; } /* * Gets the text an item in a tree window (widget). * Parameters: * handle: Handle to the tree containing the item. * item: Handle of the item to be modified. * Returns: * A handle to a tree item or NULL on failure. */ HTREEITEM API dw_tree_get_parent(HWND handle, HTREEITEM item) { return 0; } /* * 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_item_change(HWND handle, HTREEITEM item, char *title, HICN icon) { } /* * 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_item_set_data(HWND handle, HTREEITEM item, void *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. * Returns: * A pointer to tree item data or NULL on failure. */ void * API dw_tree_item_get_data(HWND handle, HTREEITEM item) { 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) { } /* * Removes all nodes from a tree. * Parameters: * handle: Handle to the window (widget) to be cleared. */ void API dw_tree_clear(HWND handle) { } /* * 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_item_expand(HWND handle, HTREEITEM item) { } /* * 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_item_collapse(HWND handle, HTREEITEM item) { } /* * 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_item_delete(HWND handle, HTREEITEM item) { } /* * Create a container object to be packed. * Parameters: * id: An ID to be used for getting the resource from the * resource file. * Returns: * A handle to a container window or NULL on failure. */ HWND API dw_container_new(ULONG cid, int multi) { return 0; } /* * 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. * (this item may only be used in OS/2) * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_container_setup(HWND handle, unsigned long *flags, char **titles, int count, int separator) { return DW_ERROR_GENERAL; } /* * 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). * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_filesystem_setup(HWND handle, unsigned long *flags, char **titles, int count) { return DW_ERROR_GENERAL; } /* * Allocates memory used to populate a container. * Parameters: * handle: Handle to the container window (widget). * rowcount: The number of items to be populated. * Returns: * Handle to container items allocated or NULL on error. */ void * API dw_container_alloc(HWND handle, int rowcount) { return NULL; } /* * 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) { } /* * 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) { } /* * 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_filesystem_change_item(HWND handle, int column, int row, void *data) { } /* * Changes 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_change_file(HWND handle, int row, char *filename, HICN icon) { } /* * 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, HICN icon) { } /* * 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) { } /* * Gets column type for a container column. * Parameters: * handle: Handle to the container window (widget). * column: Zero based column. * Returns: * Constant identifying the the column type. */ int API dw_container_get_column_type(HWND handle, int column) { return 0; } /* * Gets column type for a filesystem container column. * Parameters: * handle: Handle to the container window (widget). * column: Zero based column. * Returns: * Constant identifying the the column type. */ int API dw_filesystem_get_column_type(HWND handle, int column) { return 0; } /* * Sets the alternating row colors for container window (widget) handle. * Parameters: * handle: The window (widget) handle. * oddcolor: Odd row background color in DW_RGB format or a default color index. * evencolor: Even row background color in DW_RGB format or a default color index. * DW_RGB_TRANSPARENT will disable coloring rows. * DW_CLR_DEFAULT will use the system default alternating row colors. */ void API dw_container_set_row_bg(HWND handle, unsigned long oddcolor, unsigned long evencolor) { } /* * 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) { } /* * 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) { } /* * Sets the title of a row in the container. * Parameters: * handle: Handle to window (widget) of container. * row: Zero based row of data being set. * title: String title of the item. */ void API dw_container_change_row_title(HWND handle, int row, char *title) { } /* * 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) { } /* * 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) { } /* * 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) { } /* * 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) { } /* * 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. * Returns: * Pointer to data associated with first entry or NULL on error. */ char * API dw_container_query_start(HWND handle, unsigned long flags) { return NULL; } /* * 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. * Returns: * Pointer to data associated with next entry or NULL on error or completion. */ char * API dw_container_query_next(HWND handle, unsigned long flags) { return NULL; } /* * 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) { } /* * 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) { } /* * 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) { } /* * Inserts an icon into the taskbar. * Parameters: * handle: Window handle that will handle taskbar icon messages. * icon: Icon handle to display in the taskbar. * bubbletext: Text to show when the mouse is above the icon. */ void API dw_taskbar_insert(HWND handle, HICN icon, char *bubbletext) { } /* * Deletes an icon from the taskbar. * Parameters: * handle: Window handle that was used with dw_taskbar_insert(). * icon: Icon handle that was used with dw_taskbar_insert(). */ void API dw_taskbar_delete(HWND handle, HICN icon) { } /* * 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. * Returns: * Handle to the created icon or NULL on error. */ HICN API dw_icon_load(unsigned long module, unsigned long resid) { return 0; } /* * 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) * Returns: * Handle to the created icon or NULL on error. */ HICN API dw_icon_load_from_file(char *filename) { return 0; } /* * Obtains an icon from data. * Parameters: * data: Data for the icon (ICO on OS/2 or Windows, XPM on Unix, PNG on Mac) * len: Length of the passed in data. * Returns: * Handle to the created icon or NULL on error. */ HICN API dw_icon_load_from_data(char *data, int len) { return 0; } /* * Frees a loaded icon resource. * Parameters: * handle: Handle to icon returned by dw_icon_load(). */ void API dw_icon_free(HICN handle) { } /* * Create a new MDI Frame to be packed. * Parameters: * id: An ID to be used with dw_window_from_id or 0L. * Returns: * Handle to the created MDI widget or NULL on error. */ HWND API dw_mdi_new(unsigned long cid) { return 0; } /* * 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 cid) { return 0; } /* * Sets the position of a splitbar (pecentage). * Parameters: * handle: The handle to the splitbar returned by dw_splitbar_new(). * percent: The position of the splitbar. */ void API dw_splitbar_set(HWND handle, float percent) { } /* * Gets the position of a splitbar (pecentage). * Parameters: * handle: The handle to the splitbar returned by dw_splitbar_new(). * Returns: * Position of the splitbar (percentage). */ float API dw_splitbar_get(HWND handle) { return 0; } /* * Create a bitmap object to be packed. * Parameters: * id: An ID to be used with dw_window_from_id() or 0L. * Returns: * Handle to the created bitmap widget or NULL on error. */ HWND API dw_bitmap_new(ULONG cid) { return 0; } /* * 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) { return 0; } /* * 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) { return 0; } /* * Creates a pixmap from data in memory. * Parameters: * handle: Window handle the pixmap is associated with. * data: Source of the image data * (BMP on OS/2 or Windows, XPM on Unix) * len: Length of data * Returns: * A handle to a pixmap or NULL on failure. */ HPIXMAP API dw_pixmap_new_from_data(HWND handle, char *data, int len) { return 0; } /* * Sets the transparent color for a pixmap. * Parameters: * pixmap: Handle to a pixmap returned by * dw_pixmap_new.. * color: Transparent RGB color * Note: This is only necessary on platforms that * don't handle transparency automatically */ void API dw_pixmap_set_transparent_color( HPIXMAP pixmap, ULONG color ) { } /* * 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 resid) { return 0; } /* * Sets the font used by a specified pixmap. * Normally the pixmap font is obtained from the associated window handle. * However this can be used to override that, or for pixmaps with no window. * Parameters: * pixmap: Handle to a pixmap returned by dw_pixmap_new() or * passed to the application via a callback. * fontname: Name and size of the font in the form "size.fontname" * Returns: * DW_ERROR_NONE on success and DW_ERROR_GENERAL on failure. */ int API dw_pixmap_set_font(HPIXMAP pixmap, char *fontname) { return DW_ERROR_GENERAL; } /* * Destroys an allocated pixmap. * Parameters: * pixmap: Handle to a pixmap returned by * dw_pixmap_new.. */ void API dw_pixmap_destroy(HPIXMAP 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) { } /* * Create a new calendar window (widget) to be packed. * Parameters: * id: An ID to be used with dw_window_from_id() or 0L. * Returns: * Handle to the created calendar or NULL on error. */ HWND API dw_calendar_new(ULONG cid) { return 0; } /* * Sets the current date of a calendar. * Parameters: * handle: The handle to the calendar returned by dw_calendar_new(). * year, month, day: To set the calendar to display. */ void dw_calendar_set_date(HWND handle, unsigned int year, unsigned int month, unsigned int day) { } /* * Gets the year, month and day set in the calendar widget. * Parameters: * handle: The handle to the calendar returned by dw_calendar_new(). * year: Variable to store the year or NULL. * month: Variable to store the month or NULL. * day: Variable to store the day or NULL. */ void dw_calendar_get_date(HWND handle, unsigned int *year, unsigned int *month, unsigned int *day) { } /* * Causes the embedded HTML widget to take action. * Parameters: * handle: Handle to the window. * action: One of the DW_HTML_* constants. */ void API dw_html_action(HWND handle, int action) { } /* * Render raw HTML code in the embedded HTML widget.. * Parameters: * handle: Handle to the window. * string: String buffer containt HTML code to * be rendered. * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_html_raw(HWND handle, char *string) { return DW_ERROR_GENERAL; } /* * Render file or web page in the embedded HTML widget.. * Parameters: * handle: Handle to the window. * url: Universal Resource Locator of the web or * file object to be rendered. * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_html_url(HWND handle, char *url) { return DW_ERROR_GENERAL; } /* * Create a new HTML window (widget) to be packed. * Parameters: * id: An ID to be used with dw_window_from_id() or 0L. * Returns: * Handle to the created html widget or NULL on error. */ HWND API dw_html_new(unsigned long cid) { return 0; } /* * Returns the current X and Y coordinates of the mouse pointer. * Parameters: * x: Pointer to variable to store X coordinate or NULL. * y: Pointer to variable to store Y coordinate or NULL. */ void API dw_pointer_query_pos(long *x, long *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) { } /* * Create a menu object to be popped up. * Parameters: * id: An ID to be used associated with this menu. * Returns: * Handle to the created menu or NULL on error. */ HMENUI API dw_menu_new(ULONG cid) { return 0; } /* * Create a menubar on a window. * Parameters: * location: Handle of a window frame to be attached to. * Returns: * Handle to the created menu bar or NULL on error. */ HMENUI API dw_menubar_new(HWND location) { return 0; } /* * 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) { } /* * 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) { } /* * 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. * flags: Extended attributes to set on the menu. * end: If TRUE memu is positioned at the end of the menu. * check: If TRUE menu is "check"able. * submenu: Handle to an existing menu to be a submenu or NULL. * Returns: * Handle to the created menu item or NULL on error. */ HWND API dw_menu_append_item(HMENUI menux, char *title, ULONG itemid, ULONG flags, int end, int check, HMENUI submenux) { return 0; } /* * Sets the state of a menu item check. * Deprecated; use dw_menu_item_set_state() * 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 itemid, int check) { } /* * Sets the state of a menu item. * Parameters: * menu: The handle to the existing menu. * id: Menuitem id. * flags: DW_MIS_ENABLED/DW_MIS_DISABLED * DW_MIS_CHECKED/DW_MIS_UNCHECKED */ void API dw_menu_item_set_state(HMENUI menux, unsigned long itemid, unsigned long state) { } /* * Create a notebook object to be packed. * Parameters: * id: An ID to be used for getting the resource from the * resource file. * Returns: * Handle to the created notebook or NULL on error. */ HWND API dw_notebook_new(ULONG cid, int top) { return 0; } /* * 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. * Returns: * ID of newly created notebook page. */ unsigned long API dw_notebook_page_new(HWND handle, ULONG flags, int front) { return 0; } /* * 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 pageid) { } /* * Queries the currently visible page ID. * Parameters: * handle: Handle to the notebook widget. * Returns: * ID of visible notebook page. */ unsigned long API dw_notebook_page_get(HWND handle) { return 0; } /* * 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 pageid) { } /* * 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 pageid, char *text) { } /* * 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 pageid, HWND page) { } /* * Create a new Window Frame. * Parameters: * owner: The Owner's window handle or HWND_DESKTOP. * title: The Window title. * flStyle: Style flags. * Returns: * Handle to the created window or NULL on error. */ HWND API dw_window_new(HWND hwndOwner, char *title, ULONG flStyle) { return 0; } /* * Call a function from the window (widget)'s context (typically the message loop thread). * 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) { } /* * 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_set_pointer(HWND handle, int pointertype) { } /* * Makes the window visible. * Parameters: * handle: The window handle to make visible. * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_window_show(HWND handle) { return DW_ERROR_GENERAL; } /* * Makes the window invisible. * Parameters: * handle: The window handle to hide. * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_window_hide(HWND handle) { return DW_ERROR_GENERAL; } /* * Sets the colors used by a specified window (widget) handle. * Parameters: * handle: The window (widget) handle. * fore: Foreground color in DW_RGB format or a default color index. * back: Background color in DW_RGB format or a default color index. * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_window_set_color(HWND handle, ULONG fore, ULONG back) { return DW_ERROR_GENERAL; } /* * Sets the border size of a specified window (widget) handle. * Parameters: * handle: The window (widget) handle. * border: Size of the window border in pixels. * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_window_set_border(HWND handle, int border) { return DW_ERROR_GENERAL; } /* * Sets the style of a given window (widget). * Parameters: * handle: Window (widget) handle. * style: Style features enabled or disabled. * mask: Corresponding bitmask of features to be changed. */ void API dw_window_set_style(HWND handle, ULONG style, ULONG mask) { } /* * 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 handle, HWND 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 handle, HWND next) { } /* * Captures the mouse input to this window even if it is outside the bounds. * Parameters: * handle: Handle to receive mouse input. */ void API dw_window_capture(HWND handle) { } /* * Releases previous mouse capture. */ void API dw_window_release(void) { } /* * 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) { } /* * 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" * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_window_set_font(HWND handle, char *fontname) { return DW_ERROR_GENERAL; } /* * Returns the current font for the specified window. * Parameters: * handle: The window handle from which to obtain the font. * Returns: * A malloc()ed font name string to be dw_free()ed or NULL on error. */ char * API dw_window_get_font(HWND handle) { return NULL; } /* Allows the user to choose a font using the system's font chooser dialog. * Parameters: * currfont: current font * Returns: * A malloced buffer with the selected font or NULL on error. */ char * API dw_font_choose(char *currfont) { return NULL; } /* * Sets the default font used on text based widgets. * Parameters: * fontname: Font name in Dynamic Windows format. */ void API dw_font_set_default(char *fontname) { } /* * Destroys a window and all of it's children. * Parameters: * handle: The window handle to destroy. * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_window_destroy(HWND handle) { return DW_ERROR_GENERAL; } /* * Gets the text used for a given window. * Parameters: * handle: Handle to the window. * Returns: * The text associsated with a given window or NULL on error. */ char * API dw_window_get_text(HWND handle) { return NULL; } /* * 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) { } /* * Disables given window (widget). * Parameters: * handle: Handle to the window. */ void API dw_window_disable(HWND handle) { } /* * Enables given window (widget). * Parameters: * handle: Handle to the window. */ void API dw_window_enable(HWND handle) { } /* * 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) * data: memory buffer containing image (Bitmap on OS/2 or * Windows and a pixmap on Unix, pass * NULL if you use the id param) * len: Length of data passed */ void API dw_window_set_bitmap_from_data(HWND handle, unsigned long cid, char *data, int len) { } /* * 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 resid, char *filename) { } /* * Sets the icon used for a given window. * Parameters: * handle: Handle to the window. * icon: Handle to icon to be used. */ void API dw_window_set_icon(HWND handle, HICN icon) { } /* * Gets the child window handle with specified ID. * Parameters: * handle: Handle to the parent window. * id: Integer ID of the child. * Returns: * HWND of window with ID or NULL on error. */ HWND API dw_window_from_id(HWND handle, int id) { return 0; } /* * Minimizes or Iconifies a top-level window. * Parameters: * handle: The window handle to minimize. * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_window_minimize(HWND handle) { return DW_ERROR_GENERAL; } /* Causes entire window to be invalidated and redrawn. * Parameters: * handle: Toplevel window handle to be redrawn. */ void API dw_window_redraw(HWND handle) { } /* * Makes the window topmost. * Parameters: * handle: The window handle to make topmost. * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_window_raise(HWND handle) { return DW_ERROR_GENERAL; } /* * Makes the window bottommost. * Parameters: * handle: The window handle to make bottommost. * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_window_lower(HWND handle) { return DW_ERROR_GENERAL; } /* * 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_size(HWND handle, ULONG width, ULONG height) { } /* * 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, LONG x, LONG y) { } /* * 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, LONG x, LONG y, ULONG width, ULONG height) { } /* * Gets the position and size of a given window (widget). * Parameters: * handle: Window (widget) handle. * x: X location from the bottom left or NULL. * y: Y location from the bottom left or NULL. * width: Width of the widget or NULL. * height: Height of the widget or NULL. */ void API dw_window_get_pos_size(HWND handle, LONG *x, LONG *y, ULONG *width, ULONG *height) { } /* * Returns the width of the screen. */ int API dw_screen_width(void) { return 0; } /* * Returns the height of the screen. */ int API dw_screen_height(void) { return 0; } /* This should return the current color depth. */ unsigned long API dw_color_depth_get(void) { return 0; } /* * Returns some information about the current operating environment. * Parameters: * env: Pointer to a DWEnv struct. */ void dw_environment_query(DWEnv *env) { strcpy(env->osName, "Unknown"); strcpy(env->buildDate, __DATE__); strcpy(env->buildTime, __TIME__); env->DWMajorVersion = DW_MAJOR_VERSION; env->DWMinorVersion = DW_MINOR_VERSION; env->DWSubVersion = DW_SUB_VERSION; env->MajorVersion = 0; /* Operating system major */ env->MinorVersion = 0; /* Operating system minor */ env->MajorBuild = 0; /* Build versions... if available */ env->MinorBuild = 0; } /* * Emits a beep. * Parameters: * freq: Frequency. * dur: Duration. */ void API dw_beep(int freq, int dur) { } /* Call this after drawing to the screen to make sure * anything you have drawn is visible. */ void API dw_flush(void) { } /* * Add a named user data item to a window handle. * Parameters: * window: Window handle to save data to. * dataname: A string pointer identifying which data to be saved. * data: User data to be saved to the window handle. */ void dw_window_set_data(HWND window, char *dataname, void *data) { } /* * Gets a named user data item from a window handle. * Parameters: * window: Window handle to get data from. * dataname: A string pointer identifying which data to get. * Returns: * Pointer to data or NULL if no data is available. */ void *dw_window_get_data(HWND window, char *dataname) { 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) { return 0; } /* * Removes timer callback. * Parameters: * id: Timer ID returned by dw_timer_connect(). */ void API dw_timer_disconnect(int timerid) { } /* * 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) { } /* * Removes callbacks for a given window with given name. * Parameters: * window: Window handle of callback to be removed. * signame: Signal name to be matched on window. */ void API dw_signal_disconnect_by_name(HWND window, char *signame) { } /* * 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) { } /* * 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) { } /* 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. * Returns: * DW_ERROR_NONE (0) on success. */ int dw_module_load(char *name, HMOD *handle) { return DW_ERROR_UNKNOWN; } /* 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. * Returns: * DW_ERROR_NONE (0) on success. */ int dw_module_symbol(HMOD handle, char *name, void**func) { return DW_ERROR_UNKNOWN; } /* Frees the shared library previously opened. * Parameters: * handle: Module handle returned by dw_module_load() * Returns: * DW_ERROR_NONE (0) on success. */ int dw_module_close(HMOD handle) { return DW_ERROR_GENERAL; } /* * Returns the handle to an unnamed mutex semaphore or NULL on error. */ HMTX dw_mutex_new(void) { return NULL; } /* * Closes a semaphore created by dw_mutex_new(). * Parameters: * mutex: The handle to the mutex returned by dw_mutex_new(). */ void dw_mutex_close(HMTX 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 dw_mutex_lock(HMTX mutex) { #if 0 /* We need to handle locks from the main thread differently... * since we can't stop message processing... otherwise we * will deadlock... so try to acquire the lock and continue * processing messages in between tries. */ if(_dw_thread == dw_thread_id()) { while(/* Attempt to lock the mutex */) { /* Process any pending events */ while(dw_main_iteration()) { /* Just loop */ } } } else { /* Lock the mutex */ } #endif } /* * Tries to gain access to the semaphore. * Parameters: * mutex: The handle to the mutex returned by dw_mutex_new(). * Returns: * DW_ERROR_NONE on success, DW_ERROR_TIMEOUT if it is already locked. */ int API dw_mutex_trylock(HMTX mutex) { return DW_ERROR_GENERAL; } /* * Reliquishes the access to the semaphore. * Parameters: * mutex: The handle to the mutex returned by dw_mutex_new(). */ void dw_mutex_unlock(HMTX mutex) { } /* * Returns the handle to an unnamed event semaphore or NULL on error. */ HEV dw_event_new(void) { return NULL; } /* * Resets a semaphore created by dw_event_new(). * Parameters: * eve: The handle to the event returned by dw_event_new(). * Returns: * DW_ERROR_NONE (0) on success. */ int dw_event_reset (HEV eve) { return DW_ERROR_GENERAL; } /* * 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(). * Returns: * DW_ERROR_NONE (0) on success. */ int dw_event_post (HEV eve) { return DW_ERROR_GENERAL; } /* * 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(). * timeout: Number of milliseconds before timing out * or -1 if indefinite. * Returns: * DW_ERROR_NONE (0) on success. * DW_ERROR_TIMEOUT (2) if the timeout has expired. * Other values on other error. */ int dw_event_wait(HEV eve, unsigned long timeout) { return DW_ERROR_GENERAL; } /* * Closes a semaphore created by dw_event_new(). * Parameters: * eve: The handle to the event returned by dw_event_new(). * Returns: * DW_ERROR_NONE (0) on success. */ int dw_event_close(HEV *eve) { return DW_ERROR_GENERAL; } /* Create a named event semaphore which can be * opened from other processes. * Parameters: * name: Name given to semaphore which can be opened * by other processes. * Returns: * Handle to event semaphore or NULL on error. */ HEV dw_named_event_new(char *name) { return NULL; } /* Open an already existing named event semaphore. * Parameters: * name: Name given to semaphore which can be opened * by other processes. * Returns: * Handle to event semaphore or NULL on error. */ HEV dw_named_event_get(char *name) { return NULL; } /* Resets the event semaphore so threads who call wait * on this semaphore will block. * Parameters: * eve: Handle to the semaphore obtained by * an get or new call. * Returns: * DW_ERROR_NONE (0) on success. */ int dw_named_event_reset(HEV eve) { return DW_ERROR_GENERAL; } /* Sets the posted state of an event semaphore, any threads * waiting on the semaphore will no longer block. * Parameters: * eve: Handle to the semaphore obtained by * an get or new call. * Returns: * DW_ERROR_NONE (0) on success. */ int dw_named_event_post(HEV eve) { return DW_ERROR_GENERAL; } /* Waits on the specified semaphore until it becomes * posted, or returns immediately if it already is posted. * Parameters: * eve: Handle to the semaphore obtained by * an get or new call. * timeout: Number of milliseconds before timing out * or -1 if indefinite. * Returns: * DW_ERROR_NONE (0) on success. */ int dw_named_event_wait(HEV eve, unsigned long timeout) { return DW_ERROR_UNKNOWN; } /* Release this semaphore, if there are no more open * handles on this semaphore the semaphore will be destroyed. * Parameters: * eve: Handle to the semaphore obtained by * an get or new call. * Returns: * DW_ERROR_NONE (0) on success. */ int dw_named_event_close(HEV eve) { return DW_ERROR_UNKNOWN; } /* * Initializes the Dynamic Windows engine. * Parameters: * newthread: True if this is the only thread. * False if there is already a message loop running. * argc: Passed in from main() * argv: Passed in from main() * Returns: * DW_ERROR_NONE (0) on success. */ int API dw_init(int newthread, int argc, char *argv[]) { return DW_ERROR_NONE; } /* * Allocates a shared memory region with a name. * Parameters: * dest: A pointer to a pointer to receive the memory address. * size: Size in bytes of the shared memory region to allocate. * name: A string pointer to a unique memory name. * Returns: * Handle to shared memory or NULL on error. */ HSHM dw_named_memory_new(void **dest, int size, char *name) { return NULL; } /* * Aquires shared memory region with a name. * Parameters: * dest: A pointer to a pointer to receive the memory address. * size: Size in bytes of the shared memory region to requested. * name: A string pointer to a unique memory name. * Returns: * Handle to shared memory or NULL on error. */ HSHM dw_named_memory_get(void **dest, int size, char *name) { return NULL; } /* * Frees a shared memory region previously allocated. * Parameters: * handle: Handle obtained from dw_named_memory_new(). * ptr: The memory address aquired with dw_named_memory_new(). * Returns: * DW_ERROR_NONE (0) on success or DW_ERROR_UNKNOWN (-1) on error. */ int dw_named_memory_free(HSHM handle, void *ptr) { int rc = DW_ERROR_UNKNOWN; return rc; } /* * 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). * Returns: * Thread ID on success or DW_ERROR_UNKNOWN (-1) on error. */ DWTID dw_thread_new(void *func, void *data, int stack) { return (DWTID)DW_ERROR_UNKNOWN; } /* * Ends execution of current thread immediately. */ void dw_thread_end(void) { } /* * Returns the current thread's ID. */ DWTID dw_thread_id(void) { return (DWTID)0; } /* * 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: * Process ID on success or DW_ERROR_UNKNOWN (-1) on error. */ int dw_exec(char *program, int type, char **params) { int ret = DW_ERROR_UNKNOWN; return ret; } /* * Loads a web browser pointed at the given URL. * Parameters: * url: Uniform resource locator. * Returns: * DW_ERROR_UNKNOWN (-1) on error; DW_ERROR_NONE (0) or a positive Process ID on success. */ int dw_browse(char *url) { return DW_ERROR_UNKNOWN; } /* * Creates a new print object. * Parameters: * jobname: Name of the print job to show in the queue. * flags: Flags to initially configure the print object. * pages: Number of pages to print. * drawfunc: The pointer to the function to be used as the callback. * drawdata: User data to be passed to the handler function. * Returns: * A handle to the print object or NULL on failure. */ HPRINT API dw_print_new(char *jobname, unsigned long flags, unsigned int pages, void *drawfunc, void *drawdata) { return NULL; } /* * Runs the print job, causing the draw page callbacks to fire. * Parameters: * print: Handle to the print object returned by dw_print_new(). * flags: Flags to run the print job. * Returns: * DW_ERROR_UNKNOWN on error or DW_ERROR_NONE on success. */ int API dw_print_run(HPRINT print, unsigned long flags) { return DW_ERROR_UNKNOWN; } /* * Cancels the print job, typically called from a draw page callback. * Parameters: * print: Handle to the print object returned by dw_print_new(). */ void API dw_print_cancel(HPRINT print) { }