dwindows: win/dw.c comparison

comparison win/dw.c @ 204:098ed34d41fb

The basics of the new scrollbar code on Windows, and dw_main_iteration().

author	bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date	Sat, 01 Feb 2003 08:00:38 +0000
parents	ae28c5f2fe0e
children	85f25e8c1b1e

comparison

equal deleted inserted replaced

-:e0beea487e8f
+:098ed34d41fb
 				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)
 						{
-							int (*valuechangefunc)(HWND, int, void *) = tmp->signalfunction;
 							if(handle == tmp->window)
 							{
 								int value = (int)SendMessage(handle, TBM_GETPOS, 0, 0);
 								int max = (int)SendMessage(handle, TBM_GETRANGEMAX, 0, 0);
 								else
 									result = valuechangefunc(tmp->window, value, tmp->data);
 								tmp = NULL;
 							}
 						}
+						else if(strnicmp(tmpbuf, SCROLLBARCLASSNAME, strlen(SCROLLBARCLASSNAME)+1)==0)
+						{
+							if(handle == tmp->window && LOWORD(mp1) == SB_THUMBTRACK)
+							{
+								int value = (int)HIWORD(mp1);
+								dw_scrollbar_set_pos(tmp->window, value);
+								result = valuechangefunc(tmp->window, value, tmp->data);
+								tmp = NULL;
+							}
+						}
 					}
 					break;
 				}
 			}
 			if(tmp)
 				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") && LOWORD(mp1) == SB_THUMBTRACK)
+			{
+				int value = (int)HIWORD(mp1);
+				dw_scrollbar_set_pos(handle, value);
 			}
 		}
 		break;
 	case WM_GETMINMAXINFO:
 		{
 {
 	MSG msg;
 	_dwtid = dw_thread_id();
-	while (GetMessage(&msg, NULL, 0, 0))
+	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);
 			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.
 		}
 		else
 		{
 			cinfo = calloc(1, sizeof(ColorInfo));
 			cinfo->fore = cinfo->back = -1;
-			cinfo->buddy = 0;
 			strcpy(cinfo->fontname, fontname);
 			cinfo->pOldProc = SubclassWindow(handle, _colorwndproc);
 			SetWindowLong(handle, GWL_USERDATA, (ULONG)cinfo);
 	{
 		cinfo = calloc(1, sizeof(ColorInfo));
 		cinfo->fore = fore;
 		cinfo->back = back;
-		cinfo->buddy = 0;
 		cinfo->pOldProc = SubclassWindow(handle, _colorwndproc);
 		SetWindowLong(handle, GWL_USERDATA, (ULONG)cinfo);
 	}
 	InvalidateRgn(handle, NULL, TRUE);
 							  DWInstance,
 							  NULL);
 	ColorInfo *cinfo = calloc(1, sizeof(ColorInfo));
 	cinfo->back = cinfo->fore = -1;
-	cinfo->buddy = 0;
 	cinfo->pOldProc = SubclassWindow(tmp, _colorwndproc);
 	SetWindowLong(tmp, GWL_USERDATA, (ULONG)cinfo);
 	dw_window_set_font(tmp, DefaultFont);
 	return tmp;
 							  DWInstance,
 							  NULL);
 	ColorInfo *cinfo = calloc(1, sizeof(ColorInfo));
 	cinfo->back = cinfo->fore = -1;
-	cinfo->buddy = 0;
 	cinfo->pOldProc = SubclassWindow(tmp, _colorwndproc);
 	SetWindowLong(tmp, GWL_USERDATA, (ULONG)cinfo);
 	dw_window_set_font(tmp, DefaultFont);
 	return tmp;
 							DWInstance,
 							NULL);
 	ColorInfo *cinfo = calloc(1, sizeof(ColorInfo));
 	cinfo->back = cinfo->fore = -1;
-	cinfo->buddy = 0;
-	cinfo->user = 0;
 	cinfo->pOldProc = SubclassWindow(tmp, _colorwndproc);
 	SetWindowLong(tmp, GWL_USERDATA, (ULONG)cinfo);
 	SendMessage(tmp, TBM_SETRANGE, (WPARAM)FALSE, (LPARAM)MAKELONG(0, increments-1));
 	return tmp;
 *       increments: Number of increments available.
 *       id: An ID to be used with WinWindowFromID() or 0L.
 */
 HWND API dw_scrollbar_new(int vertical, int increments, ULONG id)
 {
-	HWND tmp = CreateWindow("SCROLLBAR",
+	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.
 /*
 * 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)
+*/
-{
+void API dw_scrollbar_set_range(HWND handle, unsigned int range, unsigned int visible)
-	SendMessage(handle, SBM_SETRANGE, 0, (LPARAM)range);
+{
+	SCROLLINFO si;
+	si.cbSize = sizeof(SCROLLINFO);
+	si.fMask = SIF_RANGE | SIF_PAGE;
+	si.nMin = 0;
+	si.nMax = range;
+	si.nPage = visible;
+	SendMessage(handle, SBM_SETSCROLLINFO, (WPARAM)TRUE, (LPARAM)&si);
 }
 /*
 * Sets the spinbutton value.
 * Parameters:
 	{
 		if(!dataname)
 			return;
 		cinfo = calloc(1, sizeof(ColorInfo));
+		cinfo->fore = cinfo->back = -1;
 		SetWindowLong(window, GWL_USERDATA, (LONG)cinfo);
 	}
 	if(cinfo)
 	{

Mercurial > dwindows

comparison win/dw.c @ 204:098ed34d41fb