90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
--- src/eggtrayicon.c.orig Fri May 12 10:54:17 2006
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+++ src/eggtrayicon.c Mon Jan 1 12:46:03 2007
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@@ -61,6 +61,9 @@
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static void egg_tray_icon_realize(GtkWidget * widget);
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static void egg_tray_icon_unrealize(GtkWidget * widget);
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+static void egg_tray_icon_add (GtkContainer *container,
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+ GtkWidget *widget);
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+
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static void egg_tray_icon_update_manager_window(EggTrayIcon * icon,
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gboolean dock_if_realized);
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static void egg_tray_icon_manager_window_destroyed(EggTrayIcon * icon);
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@@ -101,6 +104,7 @@
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{
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GObjectClass *gobject_class = (GObjectClass *) klass;
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GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
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+ GtkContainerClass *container_class = (GtkContainerClass *)klass;
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parent_class = g_type_class_peek_parent(klass);
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@@ -109,6 +113,8 @@
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widget_class->realize = egg_tray_icon_realize;
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widget_class->unrealize = egg_tray_icon_unrealize;
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+ container_class->add = egg_tray_icon_add;
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+
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g_object_class_install_property(gobject_class,
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PROP_ORIENTATION,
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g_param_spec_enum("orientation",
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@@ -298,6 +304,36 @@
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}
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}
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+static gboolean
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+transparent_expose_event (GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
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+{
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+ gdk_window_clear_area (widget->window, event->area.x, event->area.y,
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+ event->area.width, event->area.height);
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+ return FALSE;
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+}
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+
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+static void
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+make_transparent_again (GtkWidget *widget, GtkStyle *previous_style,
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+ gpointer user_data)
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+{
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+ gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
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+}
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+
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+static void
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+make_transparent (GtkWidget *widget, gpointer user_data)
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+{
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+ if (GTK_WIDGET_NO_WINDOW (widget) || GTK_WIDGET_APP_PAINTABLE (widget))
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+ return;
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+
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+ gtk_widget_set_app_paintable (widget, TRUE);
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+ gtk_widget_set_double_buffered (widget, FALSE);
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+ gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
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+ g_signal_connect (widget, "expose_event",
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+ G_CALLBACK (transparent_expose_event), NULL);
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+ g_signal_connect_after (widget, "style_set",
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+ G_CALLBACK (make_transparent_again), NULL);
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+}
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+
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static void egg_tray_icon_manager_window_destroyed(EggTrayIcon * icon)
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{
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GdkWindow *gdkwin;
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@@ -327,6 +363,8 @@
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if (GTK_WIDGET_CLASS(parent_class)->realize)
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GTK_WIDGET_CLASS(parent_class)->realize(widget);
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+ make_transparent (widget, NULL);
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+
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screen = gtk_widget_get_screen(widget);
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display = gdk_screen_get_display(screen);
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xdisplay = gdk_x11_display_get_xdisplay(display);
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@@ -352,6 +390,14 @@
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/* Add a root window filter so that we get changes on MANAGER */
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gdk_window_add_filter(root_window, egg_tray_icon_manager_filter, icon);
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+}
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+
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+static void
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+egg_tray_icon_add (GtkContainer *container, GtkWidget *widget)
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+{
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+ g_signal_connect (widget, "realize",
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+ G_CALLBACK (make_transparent), NULL);
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+ GTK_CONTAINER_CLASS (parent_class)->add (container, widget);
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}
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EggTrayIcon *egg_tray_icon_new_for_screen(GdkScreen * screen, const char *name)
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