[mutter/configurable-shadows: 7/13] Make window shadows globally configurable
- From: Owen Taylor <otaylor src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [mutter/configurable-shadows: 7/13] Make window shadows globally configurable
- Date: Sat, 13 Nov 2010 16:52:03 +0000 (UTC)
commit 5bbbac65d63ca3346a651658fbdaaf8e3876c1db
Author: Owen W. Taylor <otaylor fishsoup net>
Date: Thu Nov 11 16:24:43 2010 -0500
Make window shadows globally configurable
Instead of setting shadow parameters on individual windows, add the
idea of a "shadow class". Windows have default shadow classes based
on their frame and window type, which can be overriden by setting
the shadow-class property.
Each shadow class has separably configurable parameters for the
focused and unfocused state. New shadow classes can be defined with
arbitrary names.
https://bugzilla.gnome.org/show_bug.cgi?id=592382
src/compositor/compositor.c | 26 ++
src/compositor/meta-shadow-factory-private.h | 12 +-
src/compositor/meta-shadow-factory.c | 207 ++++++++++++++++--
src/compositor/meta-window-actor-private.h | 2 +
src/compositor/meta-window-actor.c | 314 +++++++++++++-------------
src/include/meta-shadow-factory.h | 34 +++
6 files changed, 411 insertions(+), 184 deletions(-)
---
diff --git a/src/compositor/compositor.c b/src/compositor/compositor.c
index fc13b61..ad964b6 100644
--- a/src/compositor/compositor.c
+++ b/src/compositor/compositor.c
@@ -11,6 +11,7 @@
#include "compositor-mutter.h"
#include "xprops.h"
#include "prefs.h"
+#include "meta-shadow-factory.h"
#include "meta-window-actor-private.h"
#include "meta-window-group.h"
#include "../core/window-private.h" /* to check window->hidden */
@@ -1017,6 +1018,26 @@ meta_repaint_func (gpointer data)
return TRUE;
}
+static void
+on_shadow_factory_changed (MetaShadowFactory *factory,
+ MetaCompositor *compositor)
+{
+ GSList *screens = meta_display_get_screens (compositor->display);
+ GList *l;
+ GSList *sl;
+
+ for (sl = screens; sl; sl = sl->next)
+ {
+ MetaScreen *screen = sl->data;
+ MetaCompScreen *info = meta_screen_get_compositor_data (screen);
+ if (!info)
+ continue;
+
+ for (l = info->windows; l; l = l->next)
+ meta_window_actor_invalidate_shadow (l->data);
+ }
+}
+
/**
* meta_compositor_new: (skip)
*
@@ -1047,6 +1068,11 @@ meta_compositor_new (MetaDisplay *display)
XInternAtoms (xdisplay, atom_names, G_N_ELEMENTS (atom_names),
False, atoms);
+ g_signal_connect (meta_shadow_factory_get_default (),
+ "changed",
+ G_CALLBACK (on_shadow_factory_changed),
+ compositor);
+
compositor->atom_x_root_pixmap = atoms[0];
compositor->atom_x_set_root = atoms[1];
compositor->atom_net_wm_window_opacity = atoms[2];
diff --git a/src/compositor/meta-shadow-factory-private.h b/src/compositor/meta-shadow-factory-private.h
index 2a05212..70a6623 100644
--- a/src/compositor/meta-shadow-factory-private.h
+++ b/src/compositor/meta-shadow-factory-private.h
@@ -54,11 +54,11 @@ void meta_shadow_get_bounds (MetaShadow *shadow,
int window_height,
cairo_rectangle_int_t *bounds);
-MetaShadow * meta_shadow_factory_get_shadow (MetaShadowFactory *factory,
- MetaWindowShape *shape,
- int width,
- int height,
- int radius,
- int top_fade);
+MetaShadow *meta_shadow_factory_get_shadow (MetaShadowFactory *factory,
+ MetaWindowShape *shape,
+ int width,
+ int height,
+ const char *class_name,
+ gboolean focused);
#endif /* __META_SHADOW_FACTORY_PRIVATE_H__ */
diff --git a/src/compositor/meta-shadow-factory.c b/src/compositor/meta-shadow-factory.c
index 935c8bc..ead49fb 100644
--- a/src/compositor/meta-shadow-factory.c
+++ b/src/compositor/meta-shadow-factory.c
@@ -48,7 +48,8 @@
* - We approximate the 1D gaussian blur as 3 successive box filters.
*/
-typedef struct _MetaShadowCacheKey MetaShadowCacheKey;
+typedef struct _MetaShadowCacheKey MetaShadowCacheKey;
+typedef struct _MetaShadowClassInfo MetaShadowClassInfo;
struct _MetaShadowCacheKey
{
@@ -82,6 +83,13 @@ struct _MetaShadow
guint scale_height : 1;
};
+struct _MetaShadowClassInfo
+{
+ const char *name; /* const so we can reuse for static definitions */
+ MetaShadowParams focused;
+ MetaShadowParams unfocused;
+};
+
struct _MetaShadowFactory
{
GObject parent_instance;
@@ -89,6 +97,9 @@ struct _MetaShadowFactory
/* MetaShadowCacheKey => MetaShadow; the shadows are not referenced
* by the factory, they are simply removed from the table when freed */
GHashTable *shadows;
+
+ /* class name => MetaShadowClassInfo */
+ GHashTable *shadow_classes;
};
struct _MetaShadowFactoryClass
@@ -96,6 +107,31 @@ struct _MetaShadowFactoryClass
GObjectClass parent_class;
};
+enum
+{
+ CHANGED,
+
+ LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+/* The first element in this array also defines the default parameters
+ * for newly created classes */
+MetaShadowClassInfo default_shadow_classes[] = {
+ { "normal", { 12, -1, 0, 8, 255 }, { 6, -1, 0, 4, 255 } },
+ { "dialog", { 12, -1, 0, 8, 255 }, { 6, -1, 0, 4, 255 } },
+ { "modal_dialog", { 12, -1, 0, 8, 255 }, { 6, -1, 0, 4, 255 } },
+ { "utility", { 12, -1, 0, 8, 255 }, { 6, -1, 0, 4, 255 } },
+ { "border", { 12, -1, 0, 8, 255 }, { 6, -1, 0, 4, 255 } },
+ { "menu", { 12, -1, 0, 8, 255 }, { 6, -1, 0, 4, 255 } },
+
+ { "popup-menu", { 6, -1, 0, 4, 255 }, { 6, -1, 0, 4, 255 } },
+
+ { "dropdown-menu", { 6, 25, 0, 4, 255 }, { 6, 100, 0, 4, 255 } },
+ { "attached", { 6, 25, 0, 4, 255 }, { 6, 100, 0, 4, 255 } }
+};
+
G_DEFINE_TYPE (MetaShadowFactory, meta_shadow_factory, G_TYPE_OBJECT);
static guint
@@ -263,10 +299,35 @@ meta_shadow_get_bounds (MetaShadow *shadow,
}
static void
+meta_shadow_class_info_free (MetaShadowClassInfo *class_info)
+{
+ g_free ((char *)class_info->name);
+ g_slice_free (MetaShadowClassInfo, class_info);
+}
+
+static void
meta_shadow_factory_init (MetaShadowFactory *factory)
{
+ guint i;
+
factory->shadows = g_hash_table_new (meta_shadow_cache_key_hash,
meta_shadow_cache_key_equal);
+
+ factory->shadow_classes = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ NULL,
+ (GDestroyNotify)meta_shadow_class_info_free);
+
+ for (i = 0; i < G_N_ELEMENTS (default_shadow_classes); i++)
+ {
+ MetaShadowClassInfo *class_info = g_slice_new (MetaShadowClassInfo);
+
+ *class_info = default_shadow_classes[i];
+ class_info->name = g_strdup (class_info->name);
+
+ g_hash_table_insert (factory->shadow_classes,
+ (char *)class_info->name, class_info);
+ }
}
static void
@@ -286,6 +347,7 @@ meta_shadow_factory_finalize (GObject *object)
}
g_hash_table_destroy (factory->shadows);
+ g_hash_table_destroy (factory->shadow_classes);
G_OBJECT_CLASS (meta_shadow_factory_parent_class)->finalize (object);
}
@@ -296,6 +358,15 @@ meta_shadow_factory_class_init (MetaShadowFactoryClass *klass)
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = meta_shadow_factory_finalize;
+
+ signals[CHANGED] =
+ g_signal_new ("changed",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
}
MetaShadowFactory *
@@ -657,15 +728,45 @@ make_shadow (MetaShadow *shadow,
cogl_material_set_layer (shadow->material, 0, shadow->texture);
}
+static MetaShadowParams *
+get_shadow_params (MetaShadowFactory *factory,
+ const char *class_name,
+ gboolean focused,
+ gboolean create)
+{
+ MetaShadowClassInfo *class_info = g_hash_table_lookup (factory->shadow_classes,
+ class_name);
+ if (class_info == NULL)
+ {
+ if (create)
+ {
+ class_info = g_slice_new0 (MetaShadowClassInfo);
+ *class_info = default_shadow_classes[0];
+ class_info->name = g_strdup (class_info->name);
+
+ g_hash_table_insert (factory->shadow_classes,
+ (char *)class_info->name, class_info);
+ }
+ else
+ {
+ class_info = &default_shadow_classes[0];
+ }
+ }
+
+ if (focused)
+ return &class_info->focused;
+ else
+ return &class_info->unfocused;
+}
+
/**
* meta_shadow_factory_get_shadow:
* @factory: a #MetaShadowFactory
* @shape: the size-invariant shape of the window's region
* @width: the actual width of the window's region
- * @width: the actual height of the window's region
- * @radius: the radius (gaussian standard deviation) of the shadow
- * @top_fade: if >= 0, the shadow doesn't extend above the top
- * of the shape, and fades out over the given number of pixels
+ * @height: the actual height of the window's region
+ * @class_name: name of the class of window shadows
+ * @focused: whether the shadow is for a focused window
*
* Gets the appropriate shadow object for drawing shadows for the
* specified window shape. The region that we are shadowing is specified
@@ -677,13 +778,14 @@ make_shadow (MetaShadow *shadow,
* meta_shadow_unref()
*/
MetaShadow *
-meta_shadow_factory_get_shadow (MetaShadowFactory *factory,
- MetaWindowShape *shape,
- int width,
- int height,
- int radius,
- int top_fade)
+meta_shadow_factory_get_shadow (MetaShadowFactory *factory,
+ MetaWindowShape *shape,
+ int width,
+ int height,
+ const char *class_name,
+ gboolean focused)
{
+ MetaShadowParams *params;
MetaShadowCacheKey key;
MetaShadow *shadow;
cairo_region_t *region;
@@ -721,15 +823,18 @@ meta_shadow_factory_get_shadow (MetaShadowFactory *factory,
* In the case where we are fading a the top, that also has to fit
* within the top unscaled border.
*/
- spread = get_shadow_spread (radius);
+
+ params = get_shadow_params (factory, class_name, focused, FALSE);
+
+ spread = get_shadow_spread (params->radius);
meta_window_shape_get_borders (shape,
&shape_border_top,
&shape_border_right,
&shape_border_bottom,
&shape_border_left);
- inner_border_top = MAX (shape_border_top + spread, top_fade);
- outer_border_top = top_fade >= 0 ? 0 : spread;
+ inner_border_top = MAX (shape_border_top + spread, params->top_fade);
+ outer_border_top = params->top_fade >= 0 ? 0 : spread;
inner_border_right = shape_border_right + spread;
outer_border_right = spread;
inner_border_bottom = shape_border_bottom + spread;
@@ -744,8 +849,8 @@ meta_shadow_factory_get_shadow (MetaShadowFactory *factory,
if (cacheable)
{
key.shape = shape;
- key.radius = radius;
- key.top_fade = top_fade;
+ key.radius = params->radius;
+ key.top_fade = params->top_fade;
shadow = g_hash_table_lookup (factory->shadows, &key);
if (shadow)
@@ -757,8 +862,8 @@ meta_shadow_factory_get_shadow (MetaShadowFactory *factory,
shadow->ref_count = 1;
shadow->factory = factory;
shadow->key.shape = meta_window_shape_ref (shape);
- shadow->key.radius = radius;
- shadow->key.top_fade = top_fade;
+ shadow->key.radius = params->radius;
+ shadow->key.top_fade = params->top_fade;
shadow->outer_border_top = outer_border_top;
shadow->inner_border_top = inner_border_top;
@@ -793,3 +898,69 @@ meta_shadow_factory_get_shadow (MetaShadowFactory *factory,
return shadow;
}
+
+/**
+ * meta_shadow_factory_set_params:
+ * @factory: a #MetaShadowFactory
+ * @class_name: name of the class of shadow to set the params for.
+ * the default shadow classes are the names of the different
+ * theme frame types (normal, dialog, modal_dialog, utility,
+ * border, menu, attached) and in addition, popup-menu
+ * and dropdown-menu.
+ * @focused: whether the shadow is for a focused window
+ * @params: new parameter values
+ *
+ * Updates the shadow parameters for a particular class of shadows
+ * for either the focused or unfocused state. If the class name
+ * does not name an existing class, a new class will be created
+ * (the other focus state for that class will have default values
+ * assigned to it.)
+ */
+void
+meta_shadow_factory_set_params (MetaShadowFactory *factory,
+ const char *class_name,
+ gboolean focused,
+ MetaShadowParams *params)
+{
+ MetaShadowParams *stored_params;
+
+ g_return_if_fail (META_IS_SHADOW_FACTORY (factory));
+ g_return_if_fail (class_name != NULL);
+ g_return_if_fail (params != NULL);
+ g_return_if_fail (params->radius >= 0);
+
+ stored_params = get_shadow_params (factory, class_name, focused, TRUE);
+
+ *stored_params = *params;
+
+ g_signal_emit (factory, signals[CHANGED], 0);
+}
+
+/**
+ * meta_shadow_factory_get_params:
+ * @factory: a #MetaShadowFactory
+ * @class_name: name of the class of shadow to get the params for
+ * @focused: whether the shadow is for a focused window
+ * @params: (out caller-allocates): location to store the current parameter values
+ *
+ * Gets the shadow parameters for a particular class of shadows
+ * for either the focused or unfocused state. If the class name
+ * does not name an existing class, default values will be returned
+ * without printing an error.
+ */
+void
+meta_shadow_factory_get_params (MetaShadowFactory *factory,
+ const char *class_name,
+ gboolean focused,
+ MetaShadowParams *params)
+{
+ MetaShadowParams *stored_params;
+
+ g_return_if_fail (META_IS_SHADOW_FACTORY (factory));
+ g_return_if_fail (class_name != NULL);
+
+ stored_params = get_shadow_params (factory, class_name, focused, FALSE);
+
+ if (params)
+ *params = *stored_params;
+}
diff --git a/src/compositor/meta-window-actor-private.h b/src/compositor/meta-window-actor-private.h
index c1f7b25..23d52f8 100644
--- a/src/compositor/meta-window-actor-private.h
+++ b/src/compositor/meta-window-actor-private.h
@@ -28,6 +28,8 @@ void meta_window_actor_process_damage (MetaWindowActor *self,
XDamageNotifyEvent *event);
void meta_window_actor_pre_paint (MetaWindowActor *self);
+void meta_window_actor_invalidate_shadow (MetaWindowActor *self);
+
gboolean meta_window_actor_effect_in_progress (MetaWindowActor *self);
void meta_window_actor_sync_actor_position (MetaWindowActor *self);
void meta_window_actor_sync_visibility (MetaWindowActor *self);
diff --git a/src/compositor/meta-window-actor.c b/src/compositor/meta-window-actor.c
index 6f0496f..35f6f3d 100644
--- a/src/compositor/meta-window-actor.c
+++ b/src/compositor/meta-window-actor.c
@@ -30,7 +30,21 @@ struct _MetaWindowActorPrivate
MetaScreen *screen;
ClutterActor *actor;
- MetaShadow *shadow;
+
+ /* MetaShadowFactory only caches shadows that are actually in use;
+ * to avoid unnecessary recomputation we do two things: 1) we store
+ * both a focused and unfocused shadow for the window. If the window
+ * doesn't have different focused and unfocused shadow parameters,
+ * these will be the same. 2) when the shadow potentially changes we
+ * don't immediately unreference the old shadow, we just flag it as
+ * dirty and recompute it when we next need it (recompute_focused_shadow,
+ * recompute_unfocused_shadow.) Because of the our extraction of
+ * size-invariant window shape, we'll often find that the new shadow
+ * is the same as the old shadow.
+ */
+ MetaShadow *focused_shadow;
+ MetaShadow *unfocused_shadow;
+
Pixmap back_pixmap;
Damage damage;
@@ -51,10 +65,7 @@ struct _MetaWindowActorPrivate
gint freeze_count;
- gint shadow_radius;
- gint shadow_top_fade;
- gint shadow_x_offset;
- gint shadow_y_offset;
+ char * shadow_class;
/*
* These need to be counters rather than flags, since more plugins
@@ -79,7 +90,8 @@ struct _MetaWindowActorPrivate
guint needs_pixmap : 1;
guint needs_reshape : 1;
- guint recompute_shadow : 1;
+ guint recompute_focused_shadow : 1;
+ guint recompute_unfocused_shadow : 1;
guint paint_shadow : 1;
guint size_changed : 1;
@@ -97,11 +109,7 @@ enum
PROP_X_WINDOW,
PROP_X_WINDOW_ATTRIBUTES,
PROP_NO_SHADOW,
- PROP_SHADOW_RADIUS,
- PROP_SHADOW_TOP_FADE,
- PROP_SHADOW_X_OFFSET,
- PROP_SHADOW_Y_OFFSET,
- PROP_SHADOW_OPACITY
+ PROP_SHADOW_CLASS
};
#define DEFAULT_SHADOW_RADIUS 12
@@ -246,56 +254,14 @@ meta_window_actor_class_init (MetaWindowActorClass *klass)
PROP_NO_SHADOW,
pspec);
- pspec = g_param_spec_int ("shadow-radius",
- "Shadow Radius",
- "Radius (standard deviation of gaussian blur) of window's shadow",
- 0, 128, DEFAULT_SHADOW_RADIUS,
- G_PARAM_READWRITE);
-
- g_object_class_install_property (object_class,
- PROP_SHADOW_RADIUS,
- pspec);
-
- pspec = g_param_spec_int ("shadow-top-fade",
- "Shadow Top Fade",
- "If >= 0, the shadow doesn't extend above the top "
- "of the window, and fades out over the given number of pixels",
- -1, G_MAXINT, -1,
- G_PARAM_READWRITE);
-
- g_object_class_install_property (object_class,
- PROP_SHADOW_TOP_FADE,
- pspec);
-
- pspec = g_param_spec_int ("shadow-x-offset",
- "Shadow X Offset",
- "Distance shadow is offset in the horizontal direction in pixels",
- G_MININT, G_MAXINT, DEFAULT_SHADOW_X_OFFSET,
- G_PARAM_READWRITE);
+ pspec = g_param_spec_string ("shadow-class",
+ "Name of the shadow class for this window.",
+ "NULL means to use the default shadow class for this window type",
+ NULL,
+ G_PARAM_READWRITE);
g_object_class_install_property (object_class,
- PROP_SHADOW_X_OFFSET,
- pspec);
-
- pspec = g_param_spec_int ("shadow-y-offset",
- "Shadow Y Offset",
- "Distance shadow is offset in the vertical direction in piyels",
- G_MININT, G_MAXINT, DEFAULT_SHADOW_Y_OFFSET,
- G_PARAM_READWRITE);
-
- g_object_class_install_property (object_class,
- PROP_SHADOW_Y_OFFSET,
- pspec);
-
- pspec = g_param_spec_uint ("shadow-opacity",
- "Shadow Opacity",
- "Opacity of the window's shadow",
- 0, 255,
- 255,
- G_PARAM_READWRITE);
-
- g_object_class_install_property (object_class,
- PROP_SHADOW_OPACITY,
+ PROP_SHADOW_CLASS,
pspec);
}
@@ -308,11 +274,7 @@ meta_window_actor_init (MetaWindowActor *self)
META_TYPE_WINDOW_ACTOR,
MetaWindowActorPrivate);
priv->opacity = 0xff;
- priv->shadow_radius = DEFAULT_SHADOW_RADIUS;
- priv->shadow_top_fade = -1;
- priv->shadow_x_offset = DEFAULT_SHADOW_X_OFFSET;
- priv->shadow_y_offset = DEFAULT_SHADOW_Y_OFFSET;
- priv->shadow_opacity = 0xff;
+ priv->shadow_class = NULL;
priv->paint_shadow = TRUE;
}
@@ -470,10 +432,22 @@ meta_window_actor_dispose (GObject *object)
meta_window_actor_clear_shape_region (self);
meta_window_actor_clear_bounding_region (self);
- if (priv->shadow != NULL)
+ if (priv->shadow_class != NULL)
+ {
+ g_free (priv->shadow_class);
+ priv->shadow_class = NULL;
+ }
+
+ if (priv->focused_shadow != NULL)
{
- meta_shadow_unref (priv->shadow);
- priv->shadow = NULL;
+ meta_shadow_unref (priv->focused_shadow);
+ priv->focused_shadow = NULL;
+ }
+
+ if (priv->unfocused_shadow != NULL)
+ {
+ meta_shadow_unref (priv->unfocused_shadow);
+ priv->unfocused_shadow = NULL;
}
if (priv->shadow_shape != NULL)
@@ -545,65 +519,20 @@ meta_window_actor_set_property (GObject *object,
priv->no_shadow = newv;
- priv->recompute_shadow = TRUE;
- clutter_actor_queue_redraw (CLUTTER_ACTOR (self));
- }
- break;
- case PROP_SHADOW_RADIUS:
- {
- gint newv = g_value_get_int (value);
-
- if (newv == priv->shadow_radius)
- return;
-
- priv->shadow_radius = newv;
- priv->recompute_shadow = TRUE;
- clutter_actor_queue_redraw (CLUTTER_ACTOR (self));
- }
- break;
- case PROP_SHADOW_TOP_FADE:
- {
- gint newv = g_value_get_int (value);
-
- if (newv == priv->shadow_top_fade)
- return;
-
- priv->shadow_top_fade = newv;
- priv->recompute_shadow = TRUE;
- clutter_actor_queue_redraw (CLUTTER_ACTOR (self));
+ meta_window_actor_invalidate_shadow (self);
}
break;
- case PROP_SHADOW_X_OFFSET:
+ case PROP_SHADOW_CLASS:
{
- gint newv = g_value_get_int (value);
+ const char *newv = g_value_get_string (value);
- if (newv == priv->shadow_x_offset)
+ if (g_strcmp0 (newv, priv->shadow_class) == 0)
return;
- priv->shadow_x_offset = newv;
- clutter_actor_queue_redraw (CLUTTER_ACTOR (self));
- }
- break;
- case PROP_SHADOW_Y_OFFSET:
- {
- gint newv = g_value_get_int (value);
-
- if (newv == priv->shadow_y_offset)
- return;
-
- priv->shadow_y_offset = newv;
- clutter_actor_queue_redraw (CLUTTER_ACTOR (self));
- }
- break;
- case PROP_SHADOW_OPACITY:
- {
- guint newv = g_value_get_uint (value);
-
- if (newv == priv->shadow_opacity)
- return;
+ g_free (priv->shadow_class);
+ priv->shadow_class = g_strdup (newv);
- priv->shadow_opacity = newv;
- clutter_actor_queue_redraw (CLUTTER_ACTOR (self));
+ meta_window_actor_invalidate_shadow (self);
}
break;
default:
@@ -637,26 +566,53 @@ meta_window_actor_get_property (GObject *object,
case PROP_NO_SHADOW:
g_value_set_boolean (value, priv->no_shadow);
break;
- case PROP_SHADOW_RADIUS:
- g_value_set_int (value, priv->shadow_radius);
- break;
- case PROP_SHADOW_TOP_FADE:
- g_value_set_int (value, priv->shadow_top_fade);
- break;
- case PROP_SHADOW_X_OFFSET:
- g_value_set_int (value, priv->shadow_x_offset);
+ case PROP_SHADOW_CLASS:
+ g_value_set_string (value, priv->shadow_class);
break;
- case PROP_SHADOW_Y_OFFSET:
- g_value_set_int (value, priv->shadow_y_offset);
- break;
- case PROP_SHADOW_OPACITY:
- g_value_set_uint (value, priv->shadow_opacity);
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
+static const char *
+meta_window_actor_get_shadow_class (MetaWindowActor *self)
+{
+ MetaWindowActorPrivate *priv = self->priv;
+
+ if (priv->shadow_class != NULL)
+ return priv->shadow_class;
+ else
+ {
+ MetaWindowType window_type = meta_window_get_window_type (priv->window);
+
+ switch (window_type)
+ {
+ case META_WINDOW_DROPDOWN_MENU:
+ return "dropdown-menu";
+ case META_WINDOW_POPUP_MENU:
+ return "popup-menu";
+ default:
+ {
+ MetaFrameType frame_type = meta_window_get_frame_type (priv->window);
+ return meta_frame_type_to_string (frame_type);
+ }
+ }
+ }
+}
+
+static void
+meta_window_actor_get_shadow_params (MetaWindowActor *self,
+ gboolean appears_focused,
+ MetaShadowParams *params)
+{
+ const char *shadow_class = meta_window_actor_get_shadow_class (self);
+
+ meta_shadow_factory_get_params (meta_shadow_factory_get_default (),
+ shadow_class, appears_focused,
+ params);
+}
+
static void
meta_window_actor_get_shape_bounds (MetaWindowActor *self,
cairo_rectangle_int_t *bounds)
@@ -675,17 +631,26 @@ meta_window_actor_paint (ClutterActor *actor)
MetaWindowActor *self = META_WINDOW_ACTOR (actor);
MetaWindowActorPrivate *priv = self->priv;
- if (priv->shadow != NULL && priv->paint_shadow)
+ if (priv->paint_shadow)
{
- cairo_rectangle_int_t shape_bounds;
- meta_window_actor_get_shape_bounds (self, &shape_bounds);
+ gboolean appears_focused = meta_window_appears_focused (priv->window);
+ MetaShadow *shadow = appears_focused ? priv->focused_shadow : priv->unfocused_shadow;
- meta_shadow_paint (priv->shadow,
- priv->shadow_x_offset + shape_bounds.x,
- priv->shadow_y_offset + shape_bounds.y,
- shape_bounds.width,
- shape_bounds.height,
- (clutter_actor_get_paint_opacity (actor) * priv->shadow_opacity) / 255);
+ if (shadow != NULL)
+ {
+ MetaShadowParams params;
+ cairo_rectangle_int_t shape_bounds;
+
+ meta_window_actor_get_shape_bounds (self, &shape_bounds);
+ meta_window_actor_get_shadow_params (self, appears_focused, ¶ms);
+
+ meta_shadow_paint (shadow,
+ params.x_offset + shape_bounds.x,
+ params.y_offset + shape_bounds.y,
+ shape_bounds.width,
+ shape_bounds.height,
+ (clutter_actor_get_paint_opacity (actor) * params.opacity) / 255);
+ }
}
CLUTTER_ACTOR_CLASS (meta_window_actor_parent_class)->paint (actor);
@@ -719,9 +684,6 @@ meta_window_actor_has_shadow (MetaWindowActor *self)
if (priv->no_shadow)
return FALSE;
- if (priv->shadow_radius == 0)
- return FALSE;
-
/*
* Always put a shadow around windows with a frame - This should override
* the restriction about not putting a shadow around ARGB windows.
@@ -1536,7 +1498,7 @@ meta_window_actor_update_bounding_region (MetaWindowActor *self,
* the shadow when the size changes.
*/
if (!priv->shaped)
- priv->recompute_shadow = TRUE;
+ meta_window_actor_invalidate_shadow (self);
}
static void
@@ -1666,8 +1628,10 @@ meta_window_actor_set_visible_region_beneath (MetaWindowActor *self,
{
MetaWindowActorPrivate *priv = self->priv;
- if (priv->shadow)
+ if (priv->focused_shadow)
{
+ gboolean appears_focused = meta_window_appears_focused (priv->window);
+ MetaShadowParams params;
cairo_rectangle_int_t shape_bounds;
cairo_rectangle_int_t shadow_bounds;
cairo_region_overlap_t overlap;
@@ -1679,10 +1643,11 @@ meta_window_actor_set_visible_region_beneath (MetaWindowActor *self,
* at all.
*/
meta_window_actor_get_shape_bounds (self, &shape_bounds);
+ meta_window_actor_get_shadow_params (self, appears_focused, ¶ms);
- meta_shadow_get_bounds (priv->shadow,
- priv->shadow_x_offset + shape_bounds.x,
- priv->shadow_y_offset + shape_bounds.y,
+ meta_shadow_get_bounds (appears_focused ? priv->focused_shadow : priv->unfocused_shadow,
+ params.x_offset + shape_bounds.x,
+ params.y_offset + shape_bounds.y,
shape_bounds.width,
shape_bounds.height,
&shadow_bounds);
@@ -1804,7 +1769,10 @@ check_needs_shadow (MetaWindowActor *self)
{
MetaWindowActorPrivate *priv = self->priv;
MetaShadow *old_shadow = NULL;
+ MetaShadow **shadow_location;
+ gboolean recompute_shadow;
gboolean should_have_shadow;
+ gboolean appears_focused;
if (!priv->mapped)
return;
@@ -1817,16 +1785,34 @@ check_needs_shadow (MetaWindowActor *self)
*/
should_have_shadow = meta_window_actor_has_shadow (self);
+ appears_focused = meta_window_appears_focused (priv->window);
+
+ if (appears_focused)
+ {
+ recompute_shadow = priv->recompute_focused_shadow;
+ priv->recompute_focused_shadow = FALSE;
+ shadow_location = &priv->focused_shadow;
+ }
+ else
+ {
+ recompute_shadow = priv->recompute_unfocused_shadow;
+ priv->recompute_unfocused_shadow = FALSE;
+ shadow_location = &priv->unfocused_shadow;
+ }
- if (priv->shadow != NULL && (!should_have_shadow || priv->recompute_shadow))
+ if (!should_have_shadow || recompute_shadow)
{
- old_shadow = priv->shadow;
- priv->shadow = NULL;
+ if (*shadow_location != NULL)
+ {
+ old_shadow = *shadow_location;
+ *shadow_location = NULL;
+ }
}
- if (priv->shadow == NULL && should_have_shadow)
+ if (*shadow_location == NULL && should_have_shadow)
{
MetaShadowFactory *factory = meta_shadow_factory_get_default ();
+ const char *shadow_class = meta_window_actor_get_shadow_class (self);
cairo_rectangle_int_t shape_bounds;
if (priv->shadow_shape == NULL)
@@ -1839,16 +1825,14 @@ check_needs_shadow (MetaWindowActor *self)
meta_window_actor_get_shape_bounds (self, &shape_bounds);
- priv->shadow = meta_shadow_factory_get_shadow (factory,
- priv->shadow_shape,
- shape_bounds.width, shape_bounds.height,
- priv->shadow_radius, priv->shadow_top_fade);
+ *shadow_location = meta_shadow_factory_get_shadow (factory,
+ priv->shadow_shape,
+ shape_bounds.width, shape_bounds.height,
+ shadow_class, appears_focused);
}
if (old_shadow != NULL)
meta_shadow_unref (old_shadow);
-
- priv->recompute_shadow = FALSE;
}
static gboolean
@@ -1949,7 +1933,7 @@ check_needs_reshape (MetaWindowActor *self)
#endif
priv->needs_reshape = FALSE;
- priv->recompute_shadow = TRUE;
+ meta_window_actor_invalidate_shadow (self);
}
void
@@ -1998,6 +1982,16 @@ meta_window_actor_pre_paint (MetaWindowActor *self)
}
void
+meta_window_actor_invalidate_shadow (MetaWindowActor *self)
+{
+ MetaWindowActorPrivate *priv = self->priv;
+
+ priv->recompute_focused_shadow = TRUE;
+ priv->recompute_unfocused_shadow = TRUE;
+ clutter_actor_queue_redraw (CLUTTER_ACTOR (self));
+}
+
+void
meta_window_actor_update_opacity (MetaWindowActor *self)
{
MetaWindowActorPrivate *priv = self->priv;
diff --git a/src/include/meta-shadow-factory.h b/src/include/meta-shadow-factory.h
index e27fc98..7b5a15d 100644
--- a/src/include/meta-shadow-factory.h
+++ b/src/include/meta-shadow-factory.h
@@ -27,6 +27,31 @@
#include <glib-object.h>
+/**
+ * MetaShadowParams:
+ * The #MetaShadowParams structure holds information about how to draw
+ * a particular style of shadow.
+ * @radius: the radius (gaussian standard deviation) of the shadow
+ * @top_fade: if >= 0, the shadow doesn't extend above the top
+ * of the shape, and fades out over the given number of pixels
+ * @x_offset: horizontal offset of the shadow with respect to the
+ * shape being shadowed, in pixels
+ * @y_offset: vertical offset of the shadow with respect to the
+ * shape being shadowed, in pixels
+ * @opacity: opacity of the shadow, from 0 to 255
+ */
+
+typedef struct _MetaShadowParams MetaShadowParams;
+
+struct _MetaShadowParams
+{
+ int radius;
+ int top_fade;
+ int x_offset;
+ int y_offset;
+ guint8 opacity;
+};
+
#define META_TYPE_SHADOW_FACTORY (meta_shadow_factory_get_type ())
#define META_SHADOW_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_SHADOW_FACTORY, MetaShadowFactory))
#define META_SHADOW_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_SHADOW_FACTORY, MetaShadowFactoryClass))
@@ -49,4 +74,13 @@ GType meta_shadow_factory_get_type (void);
MetaShadowFactory *meta_shadow_factory_new (void);
+void meta_shadow_factory_set_params (MetaShadowFactory *factory,
+ const char *class_name,
+ gboolean focused,
+ MetaShadowParams *params);
+void meta_shadow_factory_get_params (MetaShadowFactory *factory,
+ const char *class_name,
+ gboolean focused,
+ MetaShadowParams *params);
+
#endif /* __META_SHADOW_FACTORY_H__ */
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