nixpkgs/pkgs/applications/virtualization/qemu/revert-ui-cocoa-use-the-standard-about-panel.patch

diff --git a/ui/cocoa.m b/ui/cocoa.m
index 25e0db9dd0..4af0712036 100644
--- a/ui/cocoa.m
+++ b/ui/cocoa.m
@@ -93,6 +93,7 @@ static void cocoa_switch(DisplayChangeListener *dcl,
 
 static void cocoa_refresh(DisplayChangeListener *dcl);
 
+static NSWindow *about_window;
 static const DisplayChangeListenerOps dcl_ops = {
     .dpy_name          = "cocoa",
     .dpy_gfx_update = cocoa_update,
@@ -1180,6 +1181,7 @@ - (void)changeDeviceMedia:(id)sender;
 - (BOOL)verifyQuit;
 - (void)openDocumentation:(NSString *)filename;
 - (IBAction) do_about_menu_item: (id) sender;
+- (void)make_about_window;
 - (void)adjustSpeed:(id)sender;
 @end
 
@@ -1227,6 +1229,8 @@ - (id) init
         [pauseLabel setFont: [NSFont fontWithName: @"Helvetica" size: 90]];
         [pauseLabel setTextColor: [NSColor blackColor]];
         [pauseLabel sizeToFit];
+
+        [self make_about_window];
     }
     return self;
 }
@@ -1549,29 +1553,92 @@ - (BOOL)verifyQuit
 /* The action method for the About menu item */
 - (IBAction) do_about_menu_item: (id) sender
 {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-    char *icon_path_c = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/512x512/apps/qemu.png");
-    NSString *icon_path = [NSString stringWithUTF8String:icon_path_c];
-    g_free(icon_path_c);
-    NSImage *icon = [[NSImage alloc] initWithContentsOfFile:icon_path];
-    NSString *version = @"QEMU emulator version " QEMU_FULL_VERSION;
-    NSString *copyright = @QEMU_COPYRIGHT;
-    NSDictionary *options;
-    if (icon) {
-        options = @{
-            NSAboutPanelOptionApplicationIcon : icon,
-            NSAboutPanelOptionApplicationVersion : version,
-            @"Copyright" : copyright,
-        };
-        [icon release];
-    } else {
-        options = @{
-            NSAboutPanelOptionApplicationVersion : version,
-            @"Copyright" : copyright,
-        };
-    }
-    [NSApp orderFrontStandardAboutPanelWithOptions:options];
-    [pool release];
+    [about_window makeKeyAndOrderFront: nil];
+}
+
+/* Create and display the about dialog */
+- (void)make_about_window
+{
+    /* Make the window */
+    int x = 0, y = 0, about_width = 400, about_height = 200;
+    NSRect window_rect = NSMakeRect(x, y, about_width, about_height);
+    about_window = [[NSWindow alloc] initWithContentRect:window_rect
+                    styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable |
+                    NSWindowStyleMaskMiniaturizable
+                    backing:NSBackingStoreBuffered
+                    defer:NO];
+    [about_window setTitle: @"About"];
+    [about_window setReleasedWhenClosed: NO];
+    [about_window center];
+    NSView *superView = [about_window contentView];
+
+    /* Create the dimensions of the picture */
+    int picture_width = 80, picture_height = 80;
+    x = (about_width - picture_width)/2;
+    y = about_height - picture_height - 10;
+    NSRect picture_rect = NSMakeRect(x, y, picture_width, picture_height);
+
+    /* Make the picture of QEMU */
+    NSImageView *picture_view = [[NSImageView alloc] initWithFrame:
+                                                     picture_rect];
+    char *qemu_image_path_c = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/512x512/apps/qemu.png");
+    NSString *qemu_image_path = [NSString stringWithUTF8String:qemu_image_path_c];
+    g_free(qemu_image_path_c);
+    NSImage *qemu_image = [[NSImage alloc] initWithContentsOfFile:qemu_image_path];
+    [picture_view setImage: qemu_image];
+    [picture_view setImageScaling: NSImageScaleProportionallyUpOrDown];
+    [superView addSubview: picture_view];
+
+    /* Make the name label */
+    NSBundle *bundle = [NSBundle mainBundle];
+    if (bundle) {
+        x = 0;
+        y = y - 25;
+        int name_width = about_width, name_height = 20;
+        NSRect name_rect = NSMakeRect(x, y, name_width, name_height);
+        NSTextField *name_label = [[NSTextField alloc] initWithFrame: name_rect];
+        [name_label setEditable: NO];
+        [name_label setBezeled: NO];
+        [name_label setDrawsBackground: NO];
+        [name_label setAlignment: NSTextAlignmentCenter];
+        NSString *qemu_name = [[bundle executablePath] lastPathComponent];
+        [name_label setStringValue: qemu_name];
+        [superView addSubview: name_label];
+    }
+
+    /* Set the version label's attributes */
+    x = 0;
+    y = 50;
+    int version_width = about_width, version_height = 20;
+    NSRect version_rect = NSMakeRect(x, y, version_width, version_height);
+    NSTextField *version_label = [[NSTextField alloc] initWithFrame:
+                                                      version_rect];
+    [version_label setEditable: NO];
+    [version_label setBezeled: NO];
+    [version_label setAlignment: NSTextAlignmentCenter];
+    [version_label setDrawsBackground: NO];
+
+    /* Create the version string*/
+    NSString *version_string;
+    version_string = [[NSString alloc] initWithFormat:
+    @"QEMU emulator version %s", QEMU_FULL_VERSION];
+    [version_label setStringValue: version_string];
+    [superView addSubview: version_label];
+
+    /* Make copyright label */
+    x = 0;
+    y = 35;
+    int copyright_width = about_width, copyright_height = 20;
+    NSRect copyright_rect = NSMakeRect(x, y, copyright_width, copyright_height);
+    NSTextField *copyright_label = [[NSTextField alloc] initWithFrame:
+                                                        copyright_rect];
+    [copyright_label setEditable: NO];
+    [copyright_label setBezeled: NO];
+    [copyright_label setDrawsBackground: NO];
+    [copyright_label setAlignment: NSTextAlignmentCenter];
+    [copyright_label setStringValue: [NSString stringWithFormat: @"%s",
+                                     QEMU_COPYRIGHT]];
+    [superView addSubview: copyright_label];
 }
 
 /* Used by the Speed menu items */