[Webkit-unassigned] [Bug 48986] New: [GTK] Some key-press events can't be handled by WebView

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Nov 4 03:52:00 PDT 2010


           Summary: [GTK] Some key-press events can't be handled by
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: cgarcia at igalia.com
                CC: mrobinson at webkit.org

It's easy to reproduce using GtkLauncher, for example, just press CTRL + F1, you can see a critical warning:

(GtkLauncher:6359): Gdk-CRITICAL **: gdk_window_get_device_position: assertion `GDK_IS_WINDOW (window)' failed

The problem was introduced in revision 59158, see http://trac.webkit.org/changeset/59158. In WebKit/gtk/WebCoreSupport/EditorClientGtk.cpp, EditorClient::generateEditorCommands() the line

gtk_bindings_activate_event(GTK_OBJECT(m_nativeWidget.get()), event->keyEvent()->gdkEventKey()); 

redirects the event to the native widget, a GtkTextView, so it never gets to the WebView widget. In this case, when pressing CTRL + F1, the text view handles it and runs GtkWidget::show_help() which tries to show a tooltip, but since the text view widget is not realized it fails with the critial warning. And, of course, WebView doesn't show the tooltip because it doesn't receive the event. 

Removing that line or using m_webView instead of m_nativeWidget fixes the issue, so maybe we could just call gtk_bindings_activate_event() again with m_webView when event is not handled by the text widget.

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