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Set _MUTTER_SHADOW_SHAPE

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This tells mutter to draw its shadow along the rounded corners of
our outline.
This commit is contained in:
Matthias Clasen
2013-07-18 01:03:15 -04:00
committed by Jasper St. Pierre
parent 06430f0e67
commit 2a3c167dbe
1 changed files with 70 additions and 2 deletions
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72
gtk/gtkwindow.c
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@@ -406,6 +406,7 @@ static void gtk_window_real_activate_focus (GtkWindow *window);
static void gtk_window_keys_changed (GtkWindow *window);
static gint gtk_window_draw (GtkWidget *widget,
cairo_t *cr);
static void update_shape (GtkWindow *window);
static void gtk_window_unset_transient_for (GtkWindow *window);
static void gtk_window_transient_parent_realized (GtkWidget *parent,
GtkWidget *window);
@@ -3552,7 +3553,7 @@ gtk_window_set_decorated (GtkWindow *window,
if (priv->client_decorated)
gdk_window_set_decorations (gdk_window, 0);
else if (priv->custom_title)
gdk_window_set_decorations (gdk_window, GDK_DECOR_BORDER);
gdk_window_set_decorations (gdk_window, 0);
else
gdk_window_set_decorations (gdk_window, GDK_DECOR_ALL);
}
@@ -5858,7 +5859,7 @@ gtk_window_realize (GtkWidget *widget)
if (!priv->decorated || priv->client_decorated)
gdk_window_set_decorations (gdk_window, 0);
else if (priv->custom_title)
gdk_window_set_decorations (gdk_window, GDK_DECOR_BORDER);
gdk_window_set_decorations (gdk_window, 0);
if (!priv->deletable)
gdk_window_set_functions (gdk_window, GDK_FUNC_ALL | GDK_FUNC_CLOSE);
@@ -5916,6 +5917,8 @@ gtk_window_realize (GtkWidget *widget)
priv->scale = gtk_widget_get_scale_factor (widget);
if (old_scale != priv->scale)
_gtk_widget_scale_changed (widget);
update_shape (window);
}
static void
@@ -6634,6 +6637,7 @@ gtk_window_state_changed (GtkWidget *widget,
GtkWindow *window = GTK_WINDOW (widget);
update_grip_visibility (window);
update_shape (window);
}
static void
@@ -6661,6 +6665,8 @@ gtk_window_style_updated (GtkWidget *widget)
&transparent);
gtk_widget_queue_resize (widget);
}
update_shape (window);
}
static void
@@ -8911,6 +8917,68 @@ gtk_window_compute_hints (GtkWindow *window,
* Redrawing functions *
***********************/
static void
update_shape (GtkWindow *window)
{
#ifdef GDK_WINDOWING_X11
GtkWidget *widget = GTK_WIDGET (window);
GdkWindow *w;
if (!gtk_widget_get_realized (widget))
return;
if (window->priv->client_decorated)
return;
w = gtk_widget_get_window (widget);
if (GDK_IS_X11_WINDOW (w))
{
cairo_surface_t *surface;
cairo_t *cr;
cairo_region_t *region;
Atom mutter_shadow_shape, cardinal;
int num_rectangles, i;
gulong *data;
cairo_rectangle_int_t rectangle;
surface = gdk_window_create_similar_surface (w,
CAIRO_CONTENT_COLOR_ALPHA,
gdk_window_get_width (w),
gdk_window_get_height (w));
cr = cairo_create (surface);
gtk_window_draw (widget, cr);
cairo_destroy (cr);
region = gdk_cairo_region_create_from_surface (surface);
num_rectangles = cairo_region_num_rectangles (region);
data = g_new (gulong, 4 * num_rectangles);
for (i = 0; i < num_rectangles; i++)
{
cairo_region_get_rectangle (region, i, &rectangle);
data[4*i] = rectangle.x;
data[4*i+1] = rectangle.y;
data[4*i+2] = rectangle.width;
data[4*i+3] = rectangle.height;
}
mutter_shadow_shape = gdk_x11_get_xatom_by_name_for_display (gdk_window_get_display (w),
"_MUTTER_SHADOW_SHAPE");
cardinal = gdk_x11_get_xatom_by_name_for_display (gdk_window_get_display (w),
"CARDINAL");
XChangeProperty (GDK_WINDOW_XDISPLAY (w),
GDK_WINDOW_XID (w),
mutter_shadow_shape, cardinal,
32, PropModeReplace,
(guchar *)data, 4 * num_rectangles);
g_free (data);
cairo_surface_destroy (surface);
cairo_region_destroy (region);
}
#endif
}
static gboolean
gtk_window_draw (GtkWidget *widget,
cairo_t *cr)