static void
na_tray_child_realize (GtkWidget *widget)
{
NaTrayChild *child = NA_TRAY_CHILD (widget);
GdkVisual *visual = gtk_widget_get_visual (widget);
GdkWindow *window;
GTK_WIDGET_CLASS (na_tray_child_parent_class)->realize (widget);
window = gtk_widget_get_window (widget);
if (child->has_alpha)
{
/* We have real transparency with an ARGB visual and the Composite
* extension. */
/* Set a transparent background */
GdkColor transparent = { 0, 0, 0, 0 }; /* only pixel=0 matters */
gdk_window_set_background (window, &transparent);
gdk_window_set_composited (window, TRUE);
child->parent_relative_bg = FALSE;
}
#if GTK_CHECK_VERSION(3, 0, 0)
else if (visual == gdk_window_get_visual(gdk_window_get_parent(window)))
#else
else if (visual == gdk_drawable_get_visual(GDK_DRAWABLE(gdk_window_get_parent(window))))
#endif
{
/* Otherwise, if the visual matches the visual of the parent window, we
* can use a parent-relative background and fake transparency. */
gdk_window_set_back_pixmap (window, NULL, TRUE);
child->parent_relative_bg = TRUE;
}
else
{
/* Nothing to do; the icon will sit on top of an ugly gray box */
child->parent_relative_bg = FALSE;
}
gdk_window_set_composited (window, child->composited);
gtk_widget_set_app_paintable (GTK_WIDGET (child),
child->parent_relative_bg || child->has_alpha);
/* Double-buffering will interfere with the parent-relative-background fake
* transparency, since the double-buffer code doesn't know how to fill in the
* background of the double-buffer correctly.
*/
gtk_widget_set_double_buffered (GTK_WIDGET (child),
child->parent_relative_bg);
}
static void
na_tray_child_realize (GtkWidget *widget)
{
NaTrayChild *child = NA_TRAY_CHILD (widget);
GdkVisual *visual = gtk_widget_get_visual (widget);
GdkWindow *window;
GTK_WIDGET_CLASS (na_tray_child_parent_class)->realize (widget);
window = gtk_widget_get_window (widget);
if (child->has_alpha)
{
/* We have real transparency with an ARGB visual and the Composite
* extension. */
/* Set a transparent background */
cairo_pattern_t *transparent = cairo_pattern_create_rgba (0, 0, 0, 0);
gdk_window_set_background_pattern (window, transparent);
gdk_window_set_composited (window, TRUE);
cairo_pattern_destroy (transparent);
child->parent_relative_bg = FALSE;
}
else if (visual == gdk_window_get_visual (gdk_window_get_parent (window)))
{
/* Otherwise, if the visual matches the visual of the parent window, we
* can use a parent-relative background and fake transparency. */
gdk_window_set_background_pattern (window, NULL);
child->parent_relative_bg = TRUE;
}
else
{
/* Nothing to do; the icon will sit on top of an ugly gray box */
child->parent_relative_bg = FALSE;
}
gdk_window_set_composited (window, child->composited);
gtk_widget_set_app_paintable (GTK_WIDGET (child),
child->parent_relative_bg || child->has_alpha);
/* Double-buffering will interfere with the parent-relative-background fake
* transparency, since the double-buffer code doesn't know how to fill in the
* background of the double-buffer correctly.
*/
gtk_widget_set_double_buffered (GTK_WIDGET (child),
child->parent_relative_bg);
}
void tray_icon_added (NaTrayManager *manager, Window child, GtkWidget* container)
{
GdkWindow* wrapper = create_wrapper(gtk_widget_get_window(container), child);
if (wrapper == NULL)
return;
GdkWindow* icon = get_icon_window(wrapper);
g_assert(icon != NULL);
gdk_window_reparent(wrapper, gtk_widget_get_window(container), 0, gdk_screen_height() - DOCK_HEIGHT);
//add this mask so, gdk can handle GDK_SELECTION_CLEAR event to destroy this gdkwindow.
gdk_window_set_events(icon, GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_VISIBILITY_NOTIFY_MASK);
gdk_window_add_filter(icon, (GdkFilterFunc)monitor_icon_event, wrapper);
gdk_window_set_composited(wrapper, TRUE);
gdk_window_show(wrapper);
char *re_class = NULL;
get_wmclass(icon, &re_class, NULL);
if (g_strcmp0(re_class, DEEPIN_TRAY_ICON) == 0) {
_deepin_tray = wrapper;
_deepin_tray_width = CLAMP_WIDTH(gdk_window_get_width(icon));
_update_deepin_try_position();
} else if (g_strcmp0(re_class, FCITX_TRAY_ICON) == 0) {
_fcitx_tray = wrapper;
_fcitx_tray_width = CLAMP_WIDTH(gdk_window_get_width(icon));
_update_fcitx_try_position();
} else {
int width = gdk_window_get_width(icon) * 1.0 / gdk_window_get_height(icon) * DEFAULT_HEIGHT;
gdk_window_resize(icon, width, DEFAULT_HEIGHT);
g_hash_table_insert(_icons, wrapper, GINT_TO_POINTER(CLAMP_WIDTH(width)));
}
g_free(re_class);
_update_notify_area_width();
}
/**
* na_tray_child_set_composited;
* @child: a #NaTrayChild
* @composited: %TRUE if the child's window should be redirected
*
* Sets whether the #GdkWindow of the child should be set redirected
* using gdk_window_set_composited(). By default this is based off of
* na_tray_child_has_alpha(), but it may be useful to override it in
* certain circumstances; for example, if the #NaTrayChild is added
* to a parent window and that parent window is composited against the
* background.
*/
void
na_tray_child_set_composited (NaTrayChild *child,
gboolean composited)
{
g_return_if_fail (NA_IS_TRAY_CHILD (child));
child->composited = composited;
if (GTK_WIDGET_REALIZED (child))
gdk_window_set_composited (GTK_WIDGET (child)->window, composited);
}
/**
* na_tray_child_set_composited;
* @child: a #NaTrayChild
* @composited: %TRUE if the child's window should be redirected
*
* Sets whether the #GdkWindow of the child should be set redirected
* using gdk_window_set_composited(). By default this is based off of
* na_tray_child_has_alpha(), but it may be useful to override it in
* certain circumstances; for example, if the #NaTrayChild is added
* to a parent window and that parent window is composited against the
* background.
*/
void
na_tray_child_set_composited (NaTrayChild *child,
gboolean composited)
{
g_return_if_fail (NA_IS_TRAY_CHILD (child));
if (child->composited == composited)
return;
child->composited = composited;
if (gtk_widget_get_realized (GTK_WIDGET (child)))
gdk_window_set_composited (gtk_widget_get_window (GTK_WIDGET (child)),
composited);
}
BackgroundInfo* create_background_info(GtkWidget* container, GtkWidget* child)
{
g_message("[%s]\n", __func__);
BackgroundInfo* info = g_new0(BackgroundInfo, 1);
g_mutex_init(&info->m);
info->alpha = 1;
info->container = container;
if (child != NULL) {
gtk_widget_realize (child);
gdk_window_set_composited(gtk_widget_get_window(child), TRUE);
}
g_signal_connect(container, "draw",
G_CALLBACK(background_info_draw_callback), info);
gtk_widget_realize (container);
GdkRGBA color = {0,0,0,0};
gdk_window_set_background_rgba(gtk_widget_get_window(container), &color);
return info;
}
static VALUE
gdkwin_set_composited(VALUE self, VALUE composited)
{
gdk_window_set_composited(_SELF(self), RVAL2CBOOL(composited));
return self;
}
