1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
Index: src/eggtrayicon.c
===================================================================
--- src/eggtrayicon.c (revision 248)
+++ src/eggtrayicon.c (working copy)
@@ -66,6 +66,8 @@
static void egg_tray_icon_realize (GtkWidget *widget);
static void egg_tray_icon_unrealize (GtkWidget *widget);
+static void egg_tray_icon_add (GtkContainer *container,
+ GtkWidget *widget);
#ifdef GDK_WINDOWING_X11
static void egg_tray_icon_update_manager_window (EggTrayIcon *icon,
@@ -113,6 +115,7 @@
{
GObjectClass *gobject_class = (GObjectClass *)klass;
GtkWidgetClass *widget_class = (GtkWidgetClass *)klass;
+ GtkContainerClass *container_class = (GtkContainerClass *)klass;
parent_class = g_type_class_peek_parent (klass);
@@ -121,6 +124,8 @@
widget_class->realize = egg_tray_icon_realize;
widget_class->unrealize = egg_tray_icon_unrealize;
+ container_class->add = egg_tray_icon_add;
+
g_object_class_install_property (gobject_class,
PROP_ORIENTATION,
g_param_spec_enum ("orientation",
@@ -159,8 +164,37 @@
}
#ifdef GDK_WINDOWING_X11
+static gboolean
+transparent_expose_event (GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
+{
+ gdk_window_clear_area (widget->window, event->area.x, event->area.y,
+ event->area.width, event->area.height);
+ return FALSE;
+}
static void
+make_transparent_again (GtkWidget *widget, GtkStyle *previous_style,
+ gpointer user_data)
+{
+ gdk_window_set_back_pixmap(widget->window, NULL, TRUE);
+}
+
+static void
+make_transparent (GtkWidget *widget, gpointer user_data)
+{
+ if (GTK_WIDGET_NO_WINDOW (widget) || GTK_WIDGET_APP_PAINTABLE (widget))
+ return;
+
+ gtk_widget_set_app_paintable (widget, TRUE);
+ gtk_widget_set_double_buffered (widget, FALSE);
+ gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
+ g_signal_connect (widget, "expose_event",
+ G_CALLBACK (transparent_expose_event), NULL);
+ g_signal_connect_after (widget, "style_set",
+ G_CALLBACK (make_transparent_again), NULL);
+}
+
+static void
egg_tray_icon_get_orientation_property (EggTrayIcon *icon)
{
Display *xdisplay;
@@ -238,10 +272,22 @@
}
return GDK_FILTER_CONTINUE;
}
-
+#else
+static void
+make_transparent (GtkWidget *widget, gpointer user_data)
+{
+}
#endif
static void
+egg_tray_icon_add (GtkContainer *container, GtkWidget *widget)
+{
+ g_signal_connect (widget, "realize",
+ G_CALLBACK (make_transparent), NULL);
+ GTK_CONTAINER_CLASS (parent_class)->add (container, widget);
+}
+
+static void
egg_tray_icon_unrealize (GtkWidget *widget)
{
#ifdef GDK_WINDOWING_X11
@@ -381,6 +427,8 @@
if (GTK_WIDGET_CLASS (parent_class)->realize)
GTK_WIDGET_CLASS (parent_class)->realize (widget);
+ make_transparent (widget, NULL);
+
screen = gtk_widget_get_screen (widget);
display = gdk_screen_get_display (screen);
xdisplay = gdk_x11_display_get_xdisplay (display);
|
