dwindows: win/dw.c comparison

comparison win/dw.c @ 578:e4c5b03c7ce8

Add support for .ico files to dw_window_set_icon() Refactor common code into single image handler

author	mhessling@81767d24-ef19-dc11-ae90-00e081727c95
date	Wed, 23 Mar 2005 09:26:36 +0000
parents	314abd650968
children	67dfd0cea50d

comparison

equal deleted inserted replaced

-:ac067e8ea2b4
+:e4c5b03c7ce8
 		ShowWindow(array[pageid]->hwnd, SW_SHOWNORMAL);
 	}
 }
+/* This function determines the handle for a supplied image filename
+*/
+int _dw_get_image_handle(char *filename, HANDLE *icon, HBITMAP *hbitmap)
+{
+	int len, windowtype = 0;
+	char *file = malloc(strlen(filename) + 5);
+	*hbitmap = 0;
+	*icon = 0;
+	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)
+	{
+		len = strlen( file );
+		if ( len < 4 )
+		{
+			free(file);
+			return 0;
+		}
+		if ( stricmp( file + len - 4, ".ico" ) == 0 )
+		{
+			*icon = LoadImage(NULL, file, IMAGE_ICON, 0, 0, LR_LOADFROMFILE);
+			windowtype = BS_ICON;
+		}
+		else if ( stricmp( file + len - 4, ".bmp" ) == 0 )
+		{
+			*hbitmap = (HBITMAP)LoadImage(NULL, file, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
+			windowtype = BS_BITMAP;
+		}
+		free(file);
+	}
+	else
+	{
+		/* Try with .ico extension first...*/
+		strcat(file, ".ico");
+		if(access(file, 04) == 0)
+		{
+			*icon = LoadImage(NULL, file, IMAGE_ICON, 0, 0, LR_LOADFROMFILE);
+			windowtype = BS_ICON;
+		}
+		else
+		{
+			strcpy(file, filename);
+			strcat(file, ".bmp");
+			if(access(file, 04) == 0)
+			{
+				*hbitmap = (HBITMAP)LoadImage(NULL, file, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
+				windowtype = BS_BITMAP;
+			}
+		}
+		free(file);
+	}
+	return windowtype;
+}
 /*
 * Initializes the Dynamic Windows engine.
 * Parameters:
 *           newthread: True if this is the only thread.
 *                      False if there is already a message loop running.
 	HWND tmp;
 	BubbleButton *bubble;
 	HBITMAP hbitmap = 0;
 	HANDLE icon = 0;
 	int windowtype = 0, len;
-	char *file = malloc(strlen(filename) + 5);
+	if(!(bubble = calloc(1, sizeof(BubbleButton))))
-	if(!file || !(bubble = calloc(1, sizeof(BubbleButton))))
-	{
-		if(file)
-			free(file);
 		return 0;
-	}
+	windowtype = _dw_get_image_handle(filename, &icon, &hbitmap);
-	strcpy(file, filename);
-	/* check if we can read from this file (it exists and read permission) */
-	if(access(file, 04) == 0)
-	{
-		len = strlen( file );
-		if ( len < 4 )
-		{
-			free(file);
-			return 0;
-		}
-		if ( stricmp( file + len - 4, ".ico" ) == 0 )
-		{
-			icon = LoadImage(NULL, file, IMAGE_ICON, 0, 0, LR_LOADFROMFILE);
-			windowtype = BS_ICON;
-		}
-		else if ( stricmp( file + len - 4, ".bmp" ) == 0 )
-		{
-			hbitmap = (HBITMAP)LoadImage(NULL, file, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
-			windowtype = BS_BITMAP;
-		}
-	}
-	else
-	{
-		/* Try with .ico extension first...*/
-		strcat(file, ".ico");
-		if(access(file, 04) == 0)
-		{
-			icon = LoadImage(NULL, file, IMAGE_ICON, 0, 0, LR_LOADFROMFILE);
-			windowtype = BS_ICON;
-		}
-		else
-		{
-			strcpy(file, filename);
-			strcat(file, ".bmp");
-			if(access(file, 04) == 0)
-			{
-				hbitmap = (HBITMAP)LoadImage(NULL, file, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
-				windowtype = BS_BITMAP;
-			}
-		}
-	}
 	tmp = CreateWindow(BUTTONCLASSNAME,
 					   "",
 					   WS_CHILD | BS_PUSHBUTTON |
 					   windowtype | WS_CLIPCHILDREN |
 	{
 		SendMessage(tmp, BM_SETIMAGE,
 					(WPARAM) IMAGE_BITMAP,
 					(LPARAM) hbitmap);
 	}
-	free(file);
 	return tmp;
 }
 /*
 * Create a new spinbutton window (widget) to be packed.
 	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,
 */
 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);
+	HICON icon;
+	HICON oldicon = (HICON)SendMessage(handle, STM_GETIMAGE, IMAGE_ICON, 0);
 	if(id)
+	{
 		hbitmap = LoadBitmap(DWInstance, MAKEINTRESOURCE(id));
+		icon = LoadImage(DWInstance, MAKEINTRESOURCE(id), IMAGE_ICON, 0, 0, LR_SHARED);
+	}
 	else if(filename)
 	{
-		char *file = malloc(strlen(filename) + 5);
+		_dw_get_image_handle(filename, &icon, &hbitmap);
+		if (icon == 0 && hbitmap == 0)
-		if (!file)
 			return;
+	}
-		strcpy(file, filename);
+	if(icon)
-		/* check if we can read from this file (it exists and read permission) */
+	{
-		if(access(file, 04) != 0)
+		SendMessage(handle, BM_SETIMAGE,
-		{
+					(WPARAM) IMAGE_ICON,
-			/* Try with .bmp extention */
+					(LPARAM) icon);
-			strcat(file, ".bmp");
+	}
-			if(access(file, 04) != 0)
+	else if(hbitmap)
-			{
+	{
-				free(file);
+		SendMessage(handle, BM_SETIMAGE,
-				return;
+					(WPARAM) IMAGE_BITMAP,
-			}
+					(LPARAM) hbitmap);
-		}
+	}
-		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);
-}
+	if(oldicon)
+		DeleteObject(oldicon);
+}
 /*
 * Sets the text used for a given window.
 * Parameters:
 *       handle: Handle to the window.
 *       handle: Handle to the window (widget) to be optimized.
 */
 void API dw_container_optimize(HWND handle)
 {
 	ContainerInfo *cinfo = (ContainerInfo *)GetWindowLongPtr(handle, GWLP_USERDATA);
 	if(cinfo && cinfo->columns == 1)
 	{
 		ListView_SetColumnWidth(handle, 0, LVSCW_AUTOSIZE);
 	}
 	else if(cinfo && cinfo->columns > 1)

Mercurial > dwindows

comparison win/dw.c @ 578:e4c5b03c7ce8