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Allow csd for override-redirect windows

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This commit makes it possible to use client-side decorations for
override-redirect windows by calling _gtk_window_request_csd()
before realizing the window. Since the wm won't do interactive
resizing for us in this case anyway, don't bother creating
the border windows we use for this purpose on regular toplevels.

To make this accessible to themes, we set a "csd" style class
on client-side decorated windows. With this, .window-frame.csd.menu
can be used to define the shadow for csd menus, and .menu can be
used to define a border for menus under non-composited wms.

https://bugzilla.gnome.org/show_bug.cgi?id=731187
This commit is contained in:
Matthias Clasen 2014-06-06 17:59:38 -04:00
parent 60cd7076cf
commit bde4e86357
2 changed files with 20 additions and 1 deletions
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19
gtk/gtkwindow.c
View File

@ -224,6 +224,7 @@ struct _GtkWindowPrivate
* grip-visible" notification
*/
guint gravity : 5; /* GdkGravity */
guint csd_requested : 1;
guint client_decorated : 1; /* Decorations drawn client-side */
guint custom_title : 1; /* app-provided titlebar if CSD can't
* be enabled */
@ -3817,6 +3818,7 @@ gtk_window_enable_csd (GtkWindow *window)
gtk_widget_set_visual (widget, visual);
priv->client_decorated = TRUE;
gtk_style_context_add_class (gtk_widget_get_style_context (widget), GTK_STYLE_CLASS_CSD);
}
static void
@ -3874,6 +3876,7 @@ gtk_window_set_titlebar (GtkWindow *window,
{
priv->custom_title = FALSE;
priv->client_decorated = FALSE;
gtk_style_context_remove_class (gtk_widget_get_style_context (widget), GTK_STYLE_CLASS_CSD);
return;
}
@ -5545,12 +5548,23 @@ create_titlebar (GtkWindow *window)
return titlebar;
}
void
_gtk_window_request_csd (GtkWindow *window)
{
GtkWindowPrivate *priv = window->priv;
priv->csd_requested = TRUE;
}
static gboolean
gtk_window_should_use_csd (GtkWindow *window)
{
GtkWindowPrivate *priv = window->priv;
const gchar *csd_env;
if (priv->csd_requested)
return TRUE;
if (!priv->decorated)
return FALSE;
@ -5584,6 +5598,9 @@ create_decoration (GtkWidget *widget)
gtk_window_enable_csd (window);
if (priv->type == GTK_WINDOW_POPUP)
return;
if (priv->title_box == NULL)
{
priv->titlebar = create_titlebar (window);
@ -6319,7 +6336,7 @@ gtk_window_realize (GtkWidget *widget)
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
if (priv->client_decorated)
if (priv->client_decorated && priv->type == GTK_WINDOW_TOPLEVEL)
{
GdkCursorType cursor_type[8] = {
GDK_TOP_LEFT_CORNER,

2
gtk/gtkwindowprivate.h
View File

@ -93,6 +93,8 @@ void _gtk_window_get_shadow_width (GtkWindow *window,
void _gtk_window_toggle_maximized (GtkWindow *window);
void _gtk_window_request_csd (GtkWindow *window);
/* Window groups */
GtkWindowGroup *_gtk_window_get_window_group (GtkWindow *window);