Bug 36640 – [GTK] Crash when viewing Flash when GtkWindow has an RGBA colormap

• Component: Plug-ins
• Status: RESOLVED INVALID

Provided the link above the right click functions doesn't work (minor issue).
Another thing is, when loading it with my webkitgtk app with "transparency enabled" crashes with these message:

[root@development mywebkit]# ./test
The program 'test' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadMatch (invalid parameter attributes)'.
  (Details: serial 1010 error_code 8 request_code 140 minor_code 3)
  (Note to programmers: normally, X errors are reported asynchronously;
   that is, you will receive the error a while after causing it.
   To debug your program, run it with the --sync command line
   option to change this behavior. You can then get a meaningful
   backtrace from your debugger if you break on the gdk_x_error() function.)

//////////////////// snippet start here //////////////////////////

	GdkScreen *screen = gtk_widget_get_screen(main_window);
/* -- commented to avoid crashing the app --
	GdkColormap *rgba = gdk_screen_get_rgba_colormap(screen);
	if (rgba && gdk_screen_is_composited (screen))
	{
		gtk_widget_set_default_colormap(rgba);
		gtk_widget_set_colormap(GTK_WIDGET(main_window), rgba);
	}
*/

	// Create a WebView, set it transparent, add it to the window
	//WebKitWebView* web_view = WEBKIT_WEB_VIEW(webkit_web_view_new());
	webkit_web_view_set_transparent(WEBKIT_WEB_VIEW(web_view), TRUE);

//////////////////// snippet end here //////////////////////////

as you can see I commented the app transparency to avoid the crashing
is this fixable?

Thanks and Regards,
Philip B.

[Martin Robinson]

Is it possible for you to get a stack trace for this crash?

[zaheer]

I dont see the crash on the trunk - 66582

The crash still occurs, im using trunk 67940

How to reproduce the crash:

Create a simple application with compositing enable, for alpha blending.
Plugin: adobe flash player 10 for linux


//////////////////// snippet start here //////////////////////////

....

	GdkScreen *screen = gtk_widget_get_screen(main_window);

	GdkColormap *rgba = gdk_screen_get_rgba_colormap(screen);
	if (rgba && gdk_screen_is_composited (screen))
	{
		gtk_widget_set_default_colormap(rgba);
		gtk_widget_set_colormap(GTK_WIDGET(main_window), rgba);
	}

	webkit_web_view_set_transparent(WEBKIT_WEB_VIEW(web_view), TRUE);

	// fullscreen
	gint width = gdk_screen_get_width(screen);
	gint height = gdk_screen_get_height(screen);
	gtk_window_set_default_size(GTK_WINDOW(main_window), width, height);

    gchar* uri = (gchar*) (argc > 1 ? argv[1] : "http://www.kirupa.com/developer/mx/transparency.htm");
    webkit_web_view_load_uri (web_view, uri);

....

//////////////////// snippet end here //////////////////////////

Note: It will load normal pages without flash content.


Regards,
Philip B.

I figured out what causes the crash, adobe flash player doesn't use RGBA colormap.

[Martin Robinson]

The GTK+ port of WebKit1 has been removed. Please reopen if this is still an issue with WebKit2.