mutter/src/compositor/clutter/compositor-clutter.c

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#define _GNU_SOURCE
#define _XOPEN_SOURCE 500 /* for usleep() */
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <unistd.h>
#include <gdk/gdk.h>
#include "display.h"
#include "screen.h"
#include "frame.h"
#include "errors.h"
#include "window.h"
#include "compositor-private.h"
#include "compositor-clutter.h"
#include "compositor-clutter-plugin-manager.h"
#include "tidy-texture-frame.h"
#include "xprops.h"
#include "shaped-texture.h"
#include "tidy-texture-frame.h"
#include <X11/Xatom.h>
#include <X11/Xlibint.h>
#include <X11/extensions/shape.h>
#include <X11/extensions/Xcomposite.h>
#include <X11/extensions/Xdamage.h>
#include <X11/extensions/Xfixes.h>
#include <X11/extensions/Xrender.h>
#include <clutter/clutter.h>
#include <clutter/clutter-group.h>
#include <clutter/x11/clutter-x11.h>
#ifdef HAVE_GLX_TEXTURE_PIXMAP
#include <clutter/glx/clutter-glx.h>
#endif /* HAVE_GLX_TEXTURE_PIXMAP */
#include <cogl/cogl.h>
#define SHADOW_RADIUS 8
#define SHADOW_OPACITY 0.9
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#define SHADOW_OFFSET_X (SHADOW_RADIUS)
#define SHADOW_OFFSET_Y (SHADOW_RADIUS)
#define MAX_TILE_SZ 8 /* Must be <= shaddow radius */
#define TILE_WIDTH (3*MAX_TILE_SZ)
#define TILE_HEIGHT (3*MAX_TILE_SZ)
/*
* Register GType wrapper for XWindowAttributes, so we do not have to
* query window attributes in the MetaCompWindow constructor but can pass
* them as a property to the constructor (so we can gracefully handle the case
* where no attributes can be retrieved).
*
* NB -- we only need a subset of the attributes; at some point we might want
* to just store the relevant values rather than the whole struct.
*/
#define META_TYPE_XATTRS (meta_xattrs_get_type ())
GType meta_xattrs_get_type (void) G_GNUC_CONST;
static XWindowAttributes *
meta_xattrs_copy (const XWindowAttributes *attrs)
{
XWindowAttributes *result;
g_return_val_if_fail (attrs != NULL, NULL);
result = (XWindowAttributes*) Xmalloc (sizeof (XWindowAttributes));
*result = *attrs;
return result;
}
static void
meta_xattrs_free (XWindowAttributes *attrs)
{
g_return_if_fail (attrs != NULL);
XFree (attrs);
}
GType
meta_xattrs_get_type (void)
{
static GType our_type = 0;
if (!our_type)
our_type = g_boxed_type_register_static ("XWindowAttributes",
(GBoxedCopyFunc) meta_xattrs_copy,
(GBoxedFreeFunc) meta_xattrs_free);
return our_type;
}
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static unsigned char* shadow_gaussian_make_tile (void);
#ifdef HAVE_COMPOSITE_EXTENSIONS
static inline gboolean
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composite_at_least_version (MetaDisplay *display, int maj, int min)
{
static int major = -1;
static int minor = -1;
if (major == -1)
meta_display_get_compositor_version (display, &major, &minor);
return (major > maj || (major == maj && minor >= min));
}
#endif
typedef struct _MetaCompositorClutter
{
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MetaCompositor compositor;
MetaDisplay *display;
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Atom atom_x_root_pixmap;
Atom atom_x_set_root;
Atom atom_net_wm_window_opacity;
ClutterActor *shadow_src;
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gboolean show_redraw : 1;
gboolean debug : 1;
} MetaCompositorClutter;
typedef struct _MetaCompScreen
{
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MetaScreen *screen;
ClutterActor *stage, *window_group, *overlay_group;
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GList *windows;
GHashTable *windows_by_xid;
MetaWindow *focus_window;
Window output;
GSList *dock_windows;
gint switch_workspace_in_progress;
MetaCompositorClutterPluginManager *plugin_mgr;
} MetaCompScreen;
/*
* MetaCompWindow implementation
*/
struct _MetaCompWindowPrivate
{
XWindowAttributes attrs;
MetaWindow *window;
Window xwindow;
MetaScreen *screen;
ClutterActor *actor;
ClutterActor *shadow;
Pixmap back_pixmap;
MetaCompWindowType type;
Damage damage;
guint8 opacity;
/*
* These need to be counters rather than flags, since more plugins
* can implement same effect; the practicality of stacking effects
* might be dubious, but we have to at least handle it correctly.
*/
gint minimize_in_progress;
gint maximize_in_progress;
gint unmaximize_in_progress;
gint map_in_progress;
gint destroy_in_progress;
gboolean needs_shadow : 1;
gboolean shaped : 1;
gboolean destroy_pending : 1;
gboolean argb32 : 1;
gboolean disposed : 1;
gboolean is_minimized : 1;
/* Desktop switching flags */
gboolean needs_map : 1;
gboolean needs_unmap : 1;
gboolean needs_repair : 1;
};
enum
{
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PROP_MCW_META_WINDOW = 1,
PROP_MCW_META_SCREEN,
PROP_MCW_X_WINDOW,
PROP_MCW_X_WINDOW_ATTRIBUTES
};
static void meta_comp_window_class_init (MetaCompWindowClass *klass);
static void meta_comp_window_init (MetaCompWindow *self);
static void meta_comp_window_dispose (GObject *object);
static void meta_comp_window_finalize (GObject *object);
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static void meta_comp_window_constructed (GObject *object);
static void meta_comp_window_set_property (GObject *object,
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guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void meta_comp_window_get_property (GObject *object,
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guint prop_id,
GValue *value,
GParamSpec *pspec);
static void meta_comp_window_query_window_type (MetaCompWindow *self);
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static void meta_comp_window_detach (MetaCompWindow *self);
G_DEFINE_TYPE (MetaCompWindow, meta_comp_window, CLUTTER_TYPE_GROUP);
static void
meta_comp_window_class_init (MetaCompWindowClass *klass)
{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
GParamSpec *pspec;
g_type_class_add_private (klass, sizeof (MetaCompWindowPrivate));
object_class->dispose = meta_comp_window_dispose;
object_class->finalize = meta_comp_window_finalize;
object_class->set_property = meta_comp_window_set_property;
object_class->get_property = meta_comp_window_get_property;
object_class->constructed = meta_comp_window_constructed;
pspec = g_param_spec_pointer ("meta-window",
"MetaWindow",
"MetaWindow",
G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
g_object_class_install_property (object_class,
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PROP_MCW_META_WINDOW,
pspec);
pspec = g_param_spec_pointer ("meta-screen",
"MetaScreen",
"MetaScreen",
G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
g_object_class_install_property (object_class,
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PROP_MCW_META_SCREEN,
pspec);
pspec = g_param_spec_ulong ("x-window",
"Window",
"Window",
0,
G_MAXULONG,
0,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
g_object_class_install_property (object_class,
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PROP_MCW_X_WINDOW,
pspec);
pspec = g_param_spec_boxed ("x-window-attributes",
"XWindowAttributes",
"XWindowAttributes",
META_TYPE_XATTRS,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
g_object_class_install_property (object_class,
PROP_MCW_X_WINDOW_ATTRIBUTES,
pspec);
}
static void
meta_comp_window_init (MetaCompWindow *self)
{
MetaCompWindowPrivate *priv;
priv = self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
META_TYPE_COMP_WINDOW,
MetaCompWindowPrivate);
priv->opacity = 0xff;
}
static gboolean is_shaped (MetaDisplay *display, Window xwindow);
static gboolean meta_comp_window_has_shadow (MetaCompWindow *self);
static void update_shape (MetaCompositorClutter *compositor,
MetaCompWindow *cw);
static void
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meta_comp_window_constructed (GObject *object)
{
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MetaCompWindow *self = META_COMP_WINDOW (object);
MetaCompWindowPrivate *priv = self->priv;
MetaScreen *screen = priv->screen;
MetaDisplay *display = meta_screen_get_display (screen);
Window xwindow = priv->xwindow;
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Display *xdisplay = meta_display_get_xdisplay (display);
XRenderPictFormat *format;
meta_comp_window_query_window_type (self);
#ifdef HAVE_SHAPE
/* Listen for ShapeNotify events on the window */
if (meta_display_has_shape (display))
XShapeSelectInput (xdisplay, xwindow, ShapeNotifyMask);
#endif
priv->shaped = is_shaped (display, xwindow);
if (priv->attrs.class == InputOnly)
priv->damage = None;
else
priv->damage = XDamageCreate (xdisplay, xwindow, XDamageReportNonEmpty);
format = XRenderFindVisualFormat (xdisplay, priv->attrs.visual);
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if (format && format->type == PictTypeDirect && format->direct.alphaMask)
priv->argb32 = TRUE;
if (meta_comp_window_has_shadow (self))
{
MetaCompositorClutter *compositor =
(MetaCompositorClutter*)meta_display_get_compositor (display);
priv->shadow =
tidy_texture_frame_new (CLUTTER_TEXTURE (compositor->shadow_src),
MAX_TILE_SZ,
MAX_TILE_SZ,
MAX_TILE_SZ,
MAX_TILE_SZ);
clutter_actor_set_position (priv->shadow,
SHADOW_OFFSET_X , SHADOW_OFFSET_Y);
clutter_container_add_actor (CLUTTER_CONTAINER (self), priv->shadow);
}
priv->actor = meta_shaped_texture_new ();
clutter_container_add_actor (CLUTTER_CONTAINER (self), priv->actor);
update_shape ((MetaCompositorClutter *)
meta_display_get_compositor (display),
self);
}
static void
meta_comp_window_dispose (GObject *object)
{
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MetaCompWindow *self = META_COMP_WINDOW (object);
MetaCompWindowPrivate *priv = self->priv;
MetaScreen *screen;
MetaDisplay *display;
Display *xdisplay;
MetaCompScreen *info;
if (priv->disposed)
return;
priv->disposed = TRUE;
screen = priv->screen;
display = meta_screen_get_display (screen);
xdisplay = meta_display_get_xdisplay (display);
info = meta_screen_get_compositor_data (screen);
meta_comp_window_detach (self);
if (priv->damage != None)
{
meta_error_trap_push (display);
XDamageDestroy (xdisplay, priv->damage);
meta_error_trap_pop (display, FALSE);
priv->damage = None;
}
/*
* Check we are not in the dock list -- FIXME (do this in a cleaner way)
*/
if (priv->type == META_COMP_WINDOW_DOCK)
info->dock_windows = g_slist_remove (info->dock_windows, self);
info->windows = g_list_remove (info->windows, (gconstpointer) self);
g_hash_table_remove (info->windows_by_xid, (gpointer) priv->xwindow);
G_OBJECT_CLASS (meta_comp_window_parent_class)->dispose (object);
}
static void
meta_comp_window_finalize (GObject *object)
{
G_OBJECT_CLASS (meta_comp_window_parent_class)->finalize (object);
}
static void
meta_comp_window_set_property (GObject *object,
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guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
MetaCompWindowPrivate *priv = META_COMP_WINDOW (object)->priv;
switch (prop_id)
{
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case PROP_MCW_META_WINDOW:
priv->window = g_value_get_pointer (value);
break;
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case PROP_MCW_META_SCREEN:
priv->screen = g_value_get_pointer (value);
break;
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case PROP_MCW_X_WINDOW:
priv->xwindow = g_value_get_ulong (value);
break;
case PROP_MCW_X_WINDOW_ATTRIBUTES:
priv->attrs = *((XWindowAttributes*)g_value_get_boxed (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
meta_comp_window_get_property (GObject *object,
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guint prop_id,
GValue *value,
GParamSpec *pspec)
{
MetaCompWindowPrivate *priv = META_COMP_WINDOW (object)->priv;
switch (prop_id)
{
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case PROP_MCW_META_WINDOW:
g_value_set_pointer (value, priv->window);
break;
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case PROP_MCW_META_SCREEN:
g_value_set_pointer (value, priv->screen);
break;
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case PROP_MCW_X_WINDOW:
g_value_set_ulong (value, priv->xwindow);
break;
case PROP_MCW_X_WINDOW_ATTRIBUTES:
g_value_set_boxed (value, &priv->attrs);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static MetaCompWindow*
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find_window_for_screen (MetaScreen *screen, Window xwindow)
{
MetaCompScreen *info = meta_screen_get_compositor_data (screen);
if (info == NULL)
return NULL;
return g_hash_table_lookup (info->windows_by_xid, (gpointer) xwindow);
}
static MetaCompWindow *
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find_window_in_display (MetaDisplay *display, Window xwindow)
{
GSList *index;
for (index = meta_display_get_screens (display);
index;
index = index->next)
{
MetaCompWindow *cw = find_window_for_screen (index->data, xwindow);
if (cw != NULL)
return cw;
}
return NULL;
}
static MetaCompWindow *
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find_window_for_child_window_in_display (MetaDisplay *display, Window xwindow)
{
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Window ignored1, *ignored2, parent;
guint ignored_children;
XQueryTree (meta_display_get_xdisplay (display), xwindow, &ignored1,
&parent, &ignored2, &ignored_children);
if (parent != None)
return find_window_in_display (display, parent);
return NULL;
}
static void
meta_comp_window_query_window_type (MetaCompWindow *self)
{
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MetaCompWindowPrivate *priv = self->priv;
MetaScreen *screen = priv->screen;
MetaDisplay *display = meta_screen_get_display (screen);
Window xwindow = priv->xwindow;
gint n_atoms;
Atom *atoms;
gint i;
if (priv->attrs.override_redirect)
{
priv->type = META_COMP_WINDOW_OVERRIDE;
return;
}
/*
* If the window is managed by the WM, get the type from the WM,
* otherwise do it the hard way.
*/
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if (priv->window && meta_window_get_type_atom (priv->window) != None)
{
priv->type = (MetaCompWindowType) meta_window_get_type (priv->window);
return;
}
n_atoms = 0;
atoms = NULL;
/*
* Assume normal
*/
priv->type = META_COMP_WINDOW_NORMAL;
meta_prop_get_atom_list (display, xwindow,
meta_display_get_atom (display,
META_ATOM__NET_WM_WINDOW_TYPE),
&atoms, &n_atoms);
for (i = 0; i < n_atoms; i++)
{
if (atoms[i] ==
meta_display_get_atom (display,
META_ATOM__NET_WM_WINDOW_TYPE_DND))
{
priv->type = META_COMP_WINDOW_DND;
break;
}
else if (atoms[i] ==
meta_display_get_atom (display,
META_ATOM__NET_WM_WINDOW_TYPE_DESKTOP))
{
priv->type = META_COMP_WINDOW_DESKTOP;
break;
}
else if (atoms[i] ==
meta_display_get_atom (display,
META_ATOM__NET_WM_WINDOW_TYPE_DOCK))
{
priv->type = META_COMP_WINDOW_DOCK;
break;
}
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else if (atoms[i] ==
meta_display_get_atom (display,
META_ATOM__NET_WM_WINDOW_TYPE_TOOLBAR) ||
atoms[i] ==
meta_display_get_atom (display,
META_ATOM__NET_WM_WINDOW_TYPE_MENU) ||
atoms[i] ==
meta_display_get_atom (display,
META_ATOM__NET_WM_WINDOW_TYPE_DIALOG) ||
atoms[i] ==
meta_display_get_atom (display,
META_ATOM__NET_WM_WINDOW_TYPE_NORMAL) ||
atoms[i] ==
meta_display_get_atom (display,
META_ATOM__NET_WM_WINDOW_TYPE_UTILITY) ||
atoms[i] ==
meta_display_get_atom (display,
META_ATOM__NET_WM_WINDOW_TYPE_SPLASH))
{
priv->type = META_COMP_WINDOW_NORMAL;
break;
}
}
meta_XFree (atoms);
}
static gboolean
is_shaped (MetaDisplay *display, Window xwindow)
{
Display *xdisplay = meta_display_get_xdisplay (display);
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gint xws, yws, xbs, ybs;
guint wws, hws, wbs, hbs;
gint bounding_shaped, clip_shaped;
if (meta_display_has_shape (display))
{
XShapeQueryExtents (xdisplay, xwindow, &bounding_shaped,
&xws, &yws, &wws, &hws, &clip_shaped,
&xbs, &ybs, &wbs, &hbs);
return (bounding_shaped != 0);
}
return FALSE;
}
static gboolean
meta_comp_window_has_shadow (MetaCompWindow *self)
{
MetaCompWindowPrivate * priv = self->priv;
/*
* Do not add shadows to ARGB windows (since they are probably transparent)
*/
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if (priv->argb32 || priv->opacity != 0xff)
{
meta_verbose ("Window 0x%x has no shadow as it is ARGB\n",
(guint)priv->xwindow);
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return FALSE;
}
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/*
* Always put a shadow around windows with a frame - This should override
* the restriction about not putting a shadow around shaped windows
* as the frame might be the reason the window is shaped
*/
if (priv->window)
{
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if (meta_window_get_frame (priv->window))
{
meta_verbose ("Window 0x%x has shadow because it has a frame\n",
(guint)priv->xwindow);
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return TRUE;
}
}
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/*
* Never put a shadow around shaped windows
*/
if (priv->shaped)
{
meta_verbose ("Window 0x%x has no shadow as it is shaped\n",
(guint)priv->xwindow);
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return FALSE;
}
/*
* Add shadows to override redirect windows (e.g., Gtk menus).
* This must have lower priority than window shape test.
*/
if (priv->attrs.override_redirect)
{
meta_verbose ("Window 0x%x has shadow because it is override redirect.\n",
(guint)priv->xwindow);
return TRUE;
}
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/*
* Don't put shadow around DND icon windows
*/
if (priv->type == META_COMP_WINDOW_DND ||
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priv->type == META_COMP_WINDOW_DESKTOP)
{
meta_verbose ("Window 0x%x has no shadow as it is DND or Desktop\n",
(guint)priv->xwindow);
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return FALSE;
}
if (priv->type == META_COMP_WINDOW_MENU
#if 0
|| priv->type == META_COMP_WINDOW_DROP_DOWN_MENU
#endif
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)
{
meta_verbose ("Window 0x%x has shadow as it is a menu\n",
(guint)priv->xwindow);
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return TRUE;
}
#if 0
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if (priv->type == META_COMP_WINDOW_TOOLTIP)
{
meta_verbose ("Window 0x%x has shadow as it is a tooltip\n",
(guint)priv->xwindow);
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return TRUE;
}
#endif
meta_verbose ("Window 0x%x has no shadow as it fell through\n",
(guint)priv->xwindow);
return FALSE;
}
Window
meta_comp_window_get_x_window (MetaCompWindow *mcw)
{
if (!mcw)
return None;
return mcw->priv->xwindow;
}
MetaCompWindowType
meta_comp_window_get_window_type (MetaCompWindow *mcw)
{
if (!mcw)
return 0;
return mcw->priv->type;
}
gint
meta_comp_window_get_workspace (MetaCompWindow *mcw)
{
MetaCompWindowPrivate *priv;
MetaWorkspace *workspace;
if (!mcw)
return -1;
priv = mcw->priv;
if (!priv->window || meta_window_is_on_all_workspaces (priv->window))
return -1;
workspace = meta_window_get_workspace (priv->window);
return meta_workspace_index (workspace);
}
static void repair_win (MetaCompWindow *cw);
static void map_win (MetaCompWindow *cw);
static void unmap_win (MetaCompWindow *cw);
static void
meta_compositor_clutter_finish_workspace_switch (MetaCompScreen *info)
{
GList *last = g_list_last (info->windows);
GList *l = last;
while (l)
{
MetaCompWindow *cw = l->data;
MetaCompWindowPrivate *priv = cw->priv;
if (priv->needs_map && !priv->needs_unmap)
{
map_win (cw);
}
if (priv->needs_unmap)
{
unmap_win (cw);
}
l = l->prev;
}
/*
* Now fix up stacking order in case the plugin messed it up.
*/
l = last;
while (l)
{
ClutterActor *a = l->data;
GList *prev = l->prev;
if (prev)
{
ClutterActor *above_me = prev->data;
clutter_actor_raise (above_me, a);
}
else
{
ClutterActor *a = l->data;
clutter_actor_raise_top (a);
}
l = prev;
}
}
void
meta_compositor_clutter_window_effect_completed (MetaCompWindow *cw,
gulong event)
{
MetaCompWindowPrivate *priv = cw->priv;
MetaScreen *screen = priv->screen;
MetaCompScreen *info = meta_screen_get_compositor_data (screen);
ClutterActor *actor = CLUTTER_ACTOR (cw);
switch (event)
{
case META_COMPOSITOR_CLUTTER_PLUGIN_MINIMIZE:
{
ClutterActor *a = CLUTTER_ACTOR (cw);
gint height = clutter_actor_get_height (a);
priv->minimize_in_progress--;
if (priv->minimize_in_progress < 0)
{
g_warning ("Error in minimize accounting.");
priv->minimize_in_progress = 0;
}
if (!priv->minimize_in_progress)
{
priv->is_minimized = TRUE;
clutter_actor_set_position (a, 0, -height);
}
}
break;
case META_COMPOSITOR_CLUTTER_PLUGIN_MAP:
/*
* Make sure that the actor is at the correct place in case
* the plugin fscked.
*/
priv->map_in_progress--;
if (priv->map_in_progress < 0)
{
g_warning ("Error in map accounting.");
priv->map_in_progress = 0;
}
if (!priv->map_in_progress)
{
priv->is_minimized = FALSE;
clutter_actor_set_anchor_point (actor, 0, 0);
clutter_actor_set_position (actor, priv->attrs.x, priv->attrs.y);
clutter_actor_show_all (actor);
}
break;
case META_COMPOSITOR_CLUTTER_PLUGIN_DESTROY:
priv->destroy_in_progress--;
if (priv->destroy_in_progress < 0)
{
g_warning ("Error in destroy accounting.");
priv->destroy_in_progress = 0;
}
if (!priv->destroy_in_progress)
{
clutter_actor_destroy (actor);
}
break;
case META_COMPOSITOR_CLUTTER_PLUGIN_UNMAXIMIZE:
priv->unmaximize_in_progress--;
if (priv->unmaximize_in_progress < 0)
{
g_warning ("Error in unmaximize accounting.");
priv->unmaximize_in_progress = 0;
}
if (!priv->unmaximize_in_progress)
{
clutter_actor_set_position (actor, priv->attrs.x, priv->attrs.y);
meta_comp_window_detach (cw);
repair_win (cw);
}
break;
case META_COMPOSITOR_CLUTTER_PLUGIN_MAXIMIZE:
priv->maximize_in_progress--;
if (priv->maximize_in_progress < 0)
{
g_warning ("Error in maximize accounting.");
priv->maximize_in_progress = 0;
}
if (!priv->maximize_in_progress)
{
clutter_actor_set_position (actor, priv->attrs.x, priv->attrs.y);
meta_comp_window_detach (cw);
repair_win (cw);
}
break;
case META_COMPOSITOR_CLUTTER_PLUGIN_SWITCH_WORKSPACE:
/* FIXME -- must redo stacking order */
info->switch_workspace_in_progress--;
if (info->switch_workspace_in_progress < 0)
{
g_warning ("Error in workspace_switch accounting!");
info->switch_workspace_in_progress = 0;
}
if (!info->switch_workspace_in_progress)
meta_compositor_clutter_finish_workspace_switch (info);
break;
default: ;
}
}
static void
clutter_cmp_destroy (MetaCompositor *compositor)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
#endif
}
/*
* If force is TRUE, free the back pixmap; if FALSE, only free it if the
* backing pixmap has actually changed.
*/
static void
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meta_comp_window_detach (MetaCompWindow *self)
{
MetaCompWindowPrivate *priv = self->priv;
MetaScreen *screen = priv->screen;
MetaDisplay *display = meta_screen_get_display (screen);
Display *xdisplay = meta_display_get_xdisplay (display);
if (!priv->back_pixmap)
return;
XFreePixmap (xdisplay, priv->back_pixmap);
priv->back_pixmap = None;
}
static void
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destroy_win (MetaDisplay *display, Window xwindow)
{
MetaCompWindow *cw;
cw = find_window_in_display (display, xwindow);
if (cw == NULL)
return;
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clutter_actor_destroy (CLUTTER_ACTOR (cw));
}
static void
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restack_win (MetaCompWindow *cw, Window above)
{
MetaCompWindowPrivate *priv = cw->priv;
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MetaScreen *screen = priv->screen;
MetaCompScreen *info = meta_screen_get_compositor_data (screen);
Window previous_above;
GList *sibling, *next;
sibling = g_list_find (info->windows, (gconstpointer) cw);
next = g_list_next (sibling);
previous_above = None;
if (next)
{
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MetaCompWindow *ncw = next->data;
previous_above = ncw->priv->xwindow;
}
/* If above is set to None, the window whose state was changed is on
* the bottom of the stack with respect to sibling.
*/
if (above == None)
{
/* Insert at bottom of window stack */
info->windows = g_list_delete_link (info->windows, sibling);
info->windows = g_list_append (info->windows, cw);
if (!info->switch_workspace_in_progress)
clutter_actor_raise_top (CLUTTER_ACTOR (cw));
}
else if (previous_above != above)
{
GList *index;
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for (index = info->windows; index; index = index->next)
{
MetaCompWindow *cw2 = (MetaCompWindow *) index->data;
if (cw2->priv->xwindow == above)
break;
}
if (index != NULL)
{
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ClutterActor *above_win = index->data;
info->windows = g_list_delete_link (info->windows, sibling);
info->windows = g_list_insert_before (info->windows, index, cw);
if (!info->switch_workspace_in_progress)
clutter_actor_raise (CLUTTER_ACTOR (cw), above_win);
}
}
}
static void
resize_win (MetaCompWindow *cw,
int x,
int y,
int width,
int height,
int border_width,
gboolean override_redirect)
{
MetaCompWindowPrivate *priv = cw->priv;
if (priv->attrs.width != width || priv->attrs.height != height)
meta_comp_window_detach (cw);
priv->attrs.width = width;
priv->attrs.height = height;
priv->attrs.x = x;
priv->attrs.y = y;
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priv->attrs.border_width = border_width;
priv->attrs.override_redirect = override_redirect;
if (priv->maximize_in_progress ||
priv->unmaximize_in_progress ||
priv->map_in_progress)
return;
clutter_actor_set_position (CLUTTER_ACTOR (cw), x, y);
}
static void
map_win (MetaCompWindow *cw)
{
MetaCompWindowPrivate *priv;
MetaCompScreen *info;
if (cw == NULL)
return;
priv = cw->priv;
info = meta_screen_get_compositor_data (priv->screen);
if (priv->attrs.map_state == IsViewable)
return;
priv->attrs.map_state = IsViewable;
/*
* Now repair the window; this ensures that the actor is correctly sized
* before we run any effects on it.
*/
priv->needs_map = FALSE;
meta_comp_window_detach (cw);
repair_win (cw);
/*
* Make sure the position is set correctly (we might have got moved while
* unmapped.
*/
if (!info->switch_workspace_in_progress)
{
clutter_actor_set_anchor_point (CLUTTER_ACTOR (cw), 0, 0);
clutter_actor_set_position (CLUTTER_ACTOR (cw),
cw->priv->attrs.x, cw->priv->attrs.y);
}
priv->map_in_progress++;
/*
* If a plugin manager is present, try to run an effect; if no effect of this
* type is present, destroy the actor.
*/
if (info->switch_workspace_in_progress || !info->plugin_mgr ||
!meta_compositor_clutter_plugin_manager_event_simple (info->plugin_mgr,
cw,
META_COMPOSITOR_CLUTTER_PLUGIN_MAP))
{
clutter_actor_show_all (CLUTTER_ACTOR (cw));
priv->map_in_progress--;
priv->is_minimized = FALSE;
}
}
static void
unmap_win (MetaCompWindow *cw)
{
MetaCompWindowPrivate *priv;
MetaCompScreen *info;
if (cw == NULL)
return;
priv = cw->priv;
info = meta_screen_get_compositor_data (priv->screen);
/*
* If the needs_unmap flag is set, we carry on even if the winow is
* already marked as unmapped; this is necessary so windows temporarily
* shown during an effect (like desktop switch) are properly hidden again.
*/
if (priv->attrs.map_state == IsUnmapped && !priv->needs_unmap)
return;
if (priv->window && priv->window == info->focus_window)
info->focus_window = NULL;
if (info->switch_workspace_in_progress)
{
/*
* Cannot unmap windows while switching desktops effect is in progress.
*/
priv->needs_unmap = TRUE;
return;
}
priv->attrs.map_state = IsUnmapped;
if (!priv->minimize_in_progress)
{
ClutterActor *a = CLUTTER_ACTOR (cw);
clutter_actor_hide (a);
}
priv->needs_unmap = FALSE;
priv->needs_map = FALSE;
}
static void
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add_win (MetaScreen *screen, MetaWindow *window, Window xwindow)
{
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MetaDisplay *display = meta_screen_get_display (screen);
MetaCompScreen *info = meta_screen_get_compositor_data (screen);
MetaCompWindow *cw;
MetaCompWindowPrivate *priv;
Display *xdisplay = meta_display_get_xdisplay (display);
XWindowAttributes attrs;
if (info == NULL)
return;
if (xwindow == info->output)
return;
if (!XGetWindowAttributes (xdisplay, xwindow, &attrs))
return;
/*
* If Metacity has decided not to manage this window then the input events
* won't have been set on the window
*/
if (!(attrs.your_event_mask & PropertyChangeMask))
{
gulong event_mask;
event_mask = attrs.your_event_mask | PropertyChangeMask;
XSelectInput (xdisplay, xwindow, event_mask);
}
meta_verbose ("add window: Meta %p, xwin 0x%x\n", window, (guint) xwindow);
cw = g_object_new (META_TYPE_COMP_WINDOW,
"meta-window", window,
"x-window", xwindow,
"meta-screen", screen,
"x-window-attributes", &attrs,
NULL);
priv = cw->priv;
clutter_actor_set_position (CLUTTER_ACTOR (cw),
priv->attrs.x, priv->attrs.y);
clutter_container_add_actor (CLUTTER_CONTAINER (info->window_group),
CLUTTER_ACTOR (cw));
clutter_actor_hide (CLUTTER_ACTOR (cw));
if (priv->type == META_COMP_WINDOW_DOCK)
{
meta_verbose ("Appending 0x%x to dock windows\n", (guint)xwindow);
info->dock_windows = g_slist_append (info->dock_windows, cw);
}
#if 0
printf ("added 0x%x (%p) type:", (guint)xwindow, cw);
switch (cw->type)
{
case META_COMP_WINDOW_NORMAL:
printf("normal"); break;
case META_COMP_WINDOW_DND:
printf("dnd"); break;
case META_COMP_WINDOW_DESKTOP:
printf("desktop"); break;
case META_COMP_WINDOW_DOCK:
printf("dock"); break;
case META_COMP_WINDOW_MENU:
printf("menu"); break;
case META_COMP_WINDOW_DROP_DOWN_MENU:
printf("menu"); break;
case META_COMP_WINDOW_TOOLTIP:
printf("tooltip"); break;
default:
printf("unknown");
break;
}
if (window && meta_window_get_frame (window))
printf(" *HAS FRAME* ");
printf("\n");
#endif
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/*
* Add this to the list at the top of the stack before it is mapped so that
* map_win can find it again
*/
info->windows = g_list_prepend (info->windows, cw);
g_hash_table_insert (info->windows_by_xid, (gpointer) xwindow, cw);
if (priv->attrs.map_state == IsViewable)
{
/* Need to reset the map_state for map_win() to work */
priv->attrs.map_state = IsUnmapped;
map_win (cw);
}
}
static void
repair_win (MetaCompWindow *cw)
{
MetaCompWindowPrivate *priv = cw->priv;
MetaScreen *screen = priv->screen;
MetaDisplay *display = meta_screen_get_display (screen);
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Display *xdisplay = meta_display_get_xdisplay (display);
MetaCompScreen *info = meta_screen_get_compositor_data (screen);
Window xwindow = priv->xwindow;
gboolean full = FALSE;
if (xwindow == meta_screen_get_xroot (screen) ||
xwindow == clutter_x11_get_stage_window (CLUTTER_STAGE (info->stage)))
return;
meta_error_trap_push (display);
if (priv->back_pixmap == None)
{
gint pxm_width, pxm_height;
XWindowAttributes attr;
meta_error_trap_push (display);
XGrabServer (xdisplay);
XGetWindowAttributes (xdisplay, xwindow, &attr);
if (attr.map_state == IsViewable)
priv->back_pixmap = XCompositeNameWindowPixmap (xdisplay, xwindow);
else
{
priv->back_pixmap = None;
}
XUngrabServer (xdisplay);
meta_error_trap_pop (display, FALSE);
if (priv->back_pixmap == None)
{
meta_verbose ("Unable to get named pixmap for %p\n", cw);
return;
}
clutter_x11_texture_pixmap_set_pixmap
(CLUTTER_X11_TEXTURE_PIXMAP (priv->actor),
priv->back_pixmap);
g_object_get (priv->actor,
"pixmap-width", &pxm_width,
"pixmap-height", &pxm_height,
NULL);
clutter_actor_set_size (priv->actor, pxm_width, pxm_height);
if (priv->shadow)
clutter_actor_set_size (priv->shadow, pxm_width, pxm_height);
full = TRUE;
}
/*
* TODO -- on some gfx hardware updating the whole texture instead of
* the individual rectangles is actually quicker, so we might want to
* make this a configurable option (on desktop HW with multiple pipelines
* it is usually quicker to just update the damaged parts).
*
* If we are using TFP we update the whole texture (this simply trigers
* the texture rebind).
*/
if (full
#ifdef HAVE_GLX_TEXTURE_PIXMAP
|| (CLUTTER_GLX_IS_TEXTURE_PIXMAP (priv->actor) &&
clutter_glx_texture_pixmap_using_extension
(CLUTTER_GLX_TEXTURE_PIXMAP (priv->actor)))
#endif /* HAVE_GLX_TEXTURE_PIXMAP */
)
{
XDamageSubtract (xdisplay, priv->damage, None, None);
clutter_x11_texture_pixmap_update_area
(CLUTTER_X11_TEXTURE_PIXMAP (priv->actor),
0,
0,
clutter_actor_get_width (priv->actor),
clutter_actor_get_height (priv->actor));
}
else
{
XRectangle *r_damage;
XRectangle r_bounds;
XserverRegion parts;
int i, r_count;
parts = XFixesCreateRegion (xdisplay, 0, 0);
XDamageSubtract (xdisplay, priv->damage, None, parts);
r_damage = XFixesFetchRegionAndBounds (xdisplay,
parts,
&r_count,
&r_bounds);
if (r_damage)
{
for (i = 0; i < r_count; ++i)
{
clutter_x11_texture_pixmap_update_area
(CLUTTER_X11_TEXTURE_PIXMAP (priv->actor),
r_damage[i].x,
r_damage[i].y,
r_damage[i].width,
r_damage[i].height);
}
}
XFree (r_damage);
XFixesDestroyRegion (xdisplay, parts);
}
meta_error_trap_pop (display, FALSE);
priv->needs_repair = FALSE;
}
static void
process_create (MetaCompositorClutter *compositor,
XCreateWindowEvent *event,
MetaWindow *window)
{
MetaScreen *screen;
screen = meta_display_screen_for_root (compositor->display, event->parent);
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if (screen == NULL)
return;
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/*
* This is quite silly as we end up creating windows as then immediatly
* destroying them as they (likely) become framed and thus reparented.
2008-08-20 04:33:39 -04:00
*/
if (!find_window_in_display (compositor->display, event->window))
add_win (screen, window, event->window);
}
static void
process_reparent (MetaCompositorClutter *compositor,
XReparentEvent *event,
MetaWindow *window)
{
MetaScreen *screen;
screen = meta_display_screen_for_root (compositor->display, event->parent);
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if (screen != NULL)
{
meta_verbose ("reparent: adding a new window 0x%x\n",
(guint)event->window);
add_win (screen, window, event->window);
}
else
{
meta_verbose ("reparent: destroying a window 0%x\n",
(guint)event->window);
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destroy_win (compositor->display, event->window);
}
}
static void
process_destroy (MetaCompositorClutter *compositor,
XDestroyWindowEvent *event)
{
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destroy_win (compositor->display, event->window);
}
static void
process_damage (MetaCompositorClutter *compositor,
XDamageNotifyEvent *event)
{
XEvent next;
Display *dpy = event->display;
Drawable drawable = event->drawable;
MetaCompWindowPrivate *priv;
MetaCompWindow *cw = find_window_in_display (compositor->display, drawable);
if (!cw)
return;
priv = cw->priv;
if (priv->destroy_pending ||
priv->maximize_in_progress ||
priv->unmaximize_in_progress)
{
priv->needs_repair = TRUE;
return;
}
/*
* Check if the event queue does not already contain DetstroyNotify for this
* window -- if it does, we need to stop updating the pixmap (to avoid damage
* notifications that come from the window teardown), and process the destroy
* immediately.
*/
if (XCheckTypedWindowEvent (dpy, drawable, DestroyNotify, &next))
{
priv->destroy_pending = TRUE;
process_destroy (compositor, (XDestroyWindowEvent *) &next);
return;
}
repair_win (cw);
}
static void
update_shape (MetaCompositorClutter *compositor,
MetaCompWindow *cw)
{
MetaCompWindowPrivate *priv = cw->priv;
meta_shaped_texture_clear_rectangles (META_SHAPED_TEXTURE (priv->actor));
#ifdef HAVE_SHAPE
if (priv->shaped)
{
Display *xdisplay = meta_display_get_xdisplay (compositor->display);
XRectangle *rects;
int n_rects, ordering;
rects = XShapeGetRectangles (xdisplay,
priv->xwindow,
ShapeBounding,
&n_rects,
&ordering);
if (rects)
{
meta_shaped_texture_add_rectangles (META_SHAPED_TEXTURE (priv->actor),
n_rects, rects);
XFree (rects);
}
}
#endif
}
#ifdef HAVE_SHAPE
static void
process_shape (MetaCompositorClutter *compositor,
XShapeEvent *event)
{
MetaCompWindow *cw = find_window_in_display (compositor->display,
event->window);
MetaCompWindowPrivate *priv = cw->priv;
if (cw == NULL)
return;
if (event->kind == ShapeBounding)
{
priv->shaped = event->shaped;
update_shape (compositor, cw);
}
}
#endif
static void
process_configure_notify (MetaCompositorClutter *compositor,
XConfigureEvent *event)
{
MetaDisplay *display = compositor->display;
MetaCompWindow *cw = find_window_in_display (display, event->window);
if (cw)
{
restack_win (cw, event->above);
resize_win (cw,
event->x, event->y, event->width, event->height,
event->border_width, event->override_redirect);
}
else
{
/*
* Check for root window geometry change
*/
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GSList *l = meta_display_get_screens (display);
while (l)
{
MetaScreen *screen = l->data;
Window xroot = meta_screen_get_xroot (screen);
if (event->window == xroot)
{
gint width;
gint height;
MetaCompScreen *info = meta_screen_get_compositor_data (screen);
meta_screen_get_size (screen, &width, &height);
clutter_actor_set_size (info->stage, width, height);
meta_verbose ("Changed size for stage on screen %d to %dx%d\n",
meta_screen_get_screen_number (screen),
width, height);
break;
}
l = l->next;
}
}
}
static void
process_circulate_notify (MetaCompositorClutter *compositor,
XCirculateEvent *event)
{
MetaCompWindow *cw = find_window_in_display (compositor->display,
event->window);
MetaCompWindow *top;
MetaCompScreen *info;
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Window above;
MetaCompWindowPrivate *priv;
if (!cw)
return;
priv = cw->priv;
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info = meta_screen_get_compositor_data (priv->screen);
top = info->windows->data;
if ((event->place == PlaceOnTop) && top)
above = top->priv->xwindow;
else
above = None;
restack_win (cw, above);
}
static void
process_unmap (MetaCompositorClutter *compositor,
XUnmapEvent *event)
{
MetaCompWindow *cw;
Window xwin = event->window;
Display *dpy = event->display;
if (event->from_configure)
{
/* Ignore unmap caused by parent's resize */
return;
}
cw = find_window_in_display (compositor->display, xwin);
if (cw)
{
XEvent next;
MetaCompWindowPrivate *priv = cw->priv;
if (priv->attrs.map_state == IsUnmapped || priv->destroy_pending)
return;
if (XCheckTypedWindowEvent (dpy, xwin, DestroyNotify, &next))
{
priv->destroy_pending = TRUE;
process_destroy (compositor, (XDestroyWindowEvent *) &next);
return;
}
meta_verbose ("processing unmap of 0x%x (%p)\n", (guint)xwin, cw);
unmap_win (cw);
}
}
static void
process_map (MetaCompositorClutter *compositor,
XMapEvent *event,
MetaWindow *window)
{
MetaCompWindow *cw = find_window_in_display (compositor->display,
event->window);
if (cw)
map_win (cw);
}
static void
process_property_notify (MetaCompositorClutter *compositor,
XPropertyEvent *event)
{
MetaDisplay *display = compositor->display;
/* Check for the opacity changing */
if (event->atom == compositor->atom_net_wm_window_opacity)
{
MetaCompWindow *cw = find_window_in_display (display, event->window);
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gulong value;
if (!cw)
{
/* Applications can set this for their toplevel windows, so
* this must be propagated to the window managed by the compositor
*/
cw = find_window_for_child_window_in_display (display,
event->window);
}
if (!cw)
return;
if (meta_prop_get_cardinal (display, event->window,
compositor->atom_net_wm_window_opacity,
&value) == FALSE)
{
guint8 opacity;
opacity = (guint8)((gfloat)value * 255.0 / ((gfloat)0xffffffff));
cw->priv->opacity = opacity;
clutter_actor_set_opacity (CLUTTER_ACTOR (cw), opacity);
}
return;
}
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else if (event->atom == meta_display_get_atom (display,
META_ATOM__NET_WM_WINDOW_TYPE))
{
MetaCompWindow *cw = find_window_in_display (display, event->window);
if (!cw)
return;
meta_comp_window_query_window_type (cw);
return;
}
}
static void
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show_overlay_window (MetaScreen *screen, Window cow)
{
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MetaDisplay *display = meta_screen_get_display (screen);
Display *xdisplay = meta_display_get_xdisplay (display);
XserverRegion region;
region = XFixesCreateRegion (xdisplay, NULL, 0);
XFixesSetWindowShapeRegion (xdisplay, cow, ShapeBounding, 0, 0, 0);
XFixesSetWindowShapeRegion (xdisplay, cow, ShapeInput, 0, 0, region);
XFixesDestroyRegion (xdisplay, region);
}
static Window
get_output_window (MetaScreen *screen)
{
MetaDisplay *display = meta_screen_get_display (screen);
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Display *xdisplay = meta_display_get_xdisplay (display);
Window output, xroot;
xroot = meta_screen_get_xroot (screen);
output = XCompositeGetOverlayWindow (xdisplay, xroot);
XSelectInput (xdisplay, output, ExposureMask);
return output;
}
ClutterActor *
meta_compositor_clutter_get_stage_for_screen (MetaScreen *screen)
{
MetaCompScreen *info = meta_screen_get_compositor_data (screen);
if (!info)
return NULL;
return info->stage;
}
ClutterActor *
meta_compositor_clutter_get_overlay_group_for_screen (MetaScreen *screen)
{
MetaCompScreen *info = meta_screen_get_compositor_data (screen);
if (!info)
return NULL;
return info->overlay_group;
}
static void
clutter_cmp_manage_screen (MetaCompositor *compositor,
MetaScreen *screen)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
MetaCompScreen *info;
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MetaDisplay *display = meta_screen_get_display (screen);
Display *xdisplay = meta_display_get_xdisplay (display);
int screen_number = meta_screen_get_screen_number (screen);
Window xroot = meta_screen_get_xroot (screen);
Window xwin;
gint width, height;
/* Check if the screen is already managed */
if (meta_screen_get_compositor_data (screen))
return;
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meta_error_trap_push_with_return (display);
XCompositeRedirectSubwindows (xdisplay, xroot, CompositeRedirectManual);
XSync (xdisplay, FALSE);
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if (meta_error_trap_pop_with_return (display, FALSE))
{
g_warning ("Another compositing manager is running on screen %i",
screen_number);
return;
}
info = g_new0 (MetaCompScreen, 1);
info->screen = screen;
meta_screen_set_compositor_data (screen, info);
info->output = get_output_window (screen);
info->windows = NULL;
info->windows_by_xid = g_hash_table_new (g_direct_hash, g_direct_equal);
info->focus_window = meta_display_get_focus_window (display);
XClearArea (xdisplay, info->output, 0, 0, 0, 0, TRUE);
meta_screen_set_cm_selection (screen);
info->stage = clutter_stage_get_default ();
meta_screen_get_size (screen, &width, &height);
clutter_actor_set_size (info->stage, width, height);
xwin = clutter_x11_get_stage_window (CLUTTER_STAGE (info->stage));
XReparentWindow (xdisplay, xwin, info->output, 0, 0);
info->window_group = clutter_group_new ();
info->overlay_group = clutter_group_new ();
{
ClutterActor *foo;
foo = clutter_label_new_with_text ("Sans Bold 148", "OVERLAY");
clutter_actor_set_opacity (foo, 100);
clutter_container_add_actor (CLUTTER_CONTAINER (info->overlay_group),
foo);
}
clutter_container_add (CLUTTER_CONTAINER (info->stage),
info->window_group,
info->overlay_group,
NULL);
info->plugin_mgr =
meta_compositor_clutter_plugin_manager_new (screen);
clutter_actor_show_all (info->stage);
clutter_actor_show_all (info->overlay_group);
/* Now we're up and running we can show the output if needed */
show_overlay_window (screen, info->output);
#endif
}
static void
clutter_cmp_unmanage_screen (MetaCompositor *compositor,
MetaScreen *screen)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
#endif
}
static void
clutter_cmp_add_window (MetaCompositor *compositor,
MetaWindow *window,
Window xwindow,
XWindowAttributes *attrs)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
MetaCompositorClutter *xrc = (MetaCompositorClutter *) compositor;
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MetaScreen *screen = meta_screen_for_x_screen (attrs->screen);
meta_error_trap_push (xrc->display);
add_win (screen, window, xwindow);
meta_error_trap_pop (xrc->display, FALSE);
#endif
}
static void
clutter_cmp_remove_window (MetaCompositor *compositor,
Window xwindow)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
#endif
}
static void
clutter_cmp_set_updates (MetaCompositor *compositor,
MetaWindow *window,
gboolean update)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
#endif
}
static void
clutter_cmp_process_event (MetaCompositor *compositor,
XEvent *event,
MetaWindow *window)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
MetaCompositorClutter *xrc = (MetaCompositorClutter *) compositor;
if (window)
{
MetaCompScreen *info;
MetaScreen *screen;
screen = meta_window_get_screen (window);
info = meta_screen_get_compositor_data (screen);
if (meta_compositor_clutter_plugin_manager_xevent_filter
(info->plugin_mgr,
event) == TRUE)
return;
}
/*
* This trap is so that none of the compositor functions cause
* X errors. This is really a hack, but I'm afraid I don't understand
* enough about Metacity/X to know how else you are supposed to do it
*/
meta_error_trap_push (xrc->display);
switch (event->type)
{
case CirculateNotify:
process_circulate_notify (xrc, (XCirculateEvent *) event);
break;
case ConfigureNotify:
process_configure_notify (xrc, (XConfigureEvent *) event);
break;
case PropertyNotify:
process_property_notify (xrc, (XPropertyEvent *) event);
break;
case Expose:
break;
case UnmapNotify:
process_unmap (xrc, (XUnmapEvent *) event);
break;
case MapNotify:
process_map (xrc, (XMapEvent *) event, window);
break;
case ReparentNotify:
process_reparent (xrc, (XReparentEvent *) event, window);
break;
case CreateNotify:
process_create (xrc, (XCreateWindowEvent *) event, window);
break;
case DestroyNotify:
process_destroy (xrc, (XDestroyWindowEvent *) event);
break;
default:
if (event->type == meta_display_get_damage_event_base (xrc->display) + XDamageNotify)
{
process_damage (xrc, (XDamageNotifyEvent *) event);
}
#ifdef HAVE_SHAPE
else if (event->type == meta_display_get_shape_event_base (xrc->display) + ShapeNotify)
process_shape (xrc, (XShapeEvent *) event);
#endif /* HAVE_SHAPE */
/* else
{
meta_error_trap_pop (xrc->display, FALSE);
return;
}
*/
break;
}
meta_error_trap_pop (xrc->display, FALSE);
#endif
}
static Pixmap
clutter_cmp_get_window_pixmap (MetaCompositor *compositor,
MetaWindow *window)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
return None;
#else
return None;
#endif
}
static void
clutter_cmp_set_active_window (MetaCompositor *compositor,
MetaScreen *screen,
MetaWindow *window)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
#endif
}
static void
clutter_cmp_destroy_window (MetaCompositor *compositor,
MetaWindow *window)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
MetaCompWindow *cw = NULL;
MetaScreen *screen = meta_window_get_screen (window);
MetaCompScreen *info = meta_screen_get_compositor_data (screen);
MetaFrame *f = meta_window_get_frame (window);
MetaCompWindowPrivate *priv;
/* Chances are we actually get the window frame here */
cw = find_window_for_screen (screen,
f ? meta_frame_get_xwindow (f) :
meta_window_get_xwindow (window));
if (!cw)
return;
priv = cw->priv;
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/*
* We remove the window from internal lookup hashes and thus any other
* unmap events etc fail
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*/
info->windows = g_list_remove (info->windows, (gconstpointer) cw);
g_hash_table_remove (info->windows_by_xid,
(gpointer) (f ? meta_frame_get_xwindow (f) :
meta_window_get_xwindow (window)));
/*
* If a plugin manager is present, try to run an effect; if no effect of this
* type is present, destroy the actor.
*/
priv->destroy_in_progress++;
if (!info->plugin_mgr ||
!meta_compositor_clutter_plugin_manager_event_simple (info->plugin_mgr,
cw,
META_COMPOSITOR_CLUTTER_PLUGIN_DESTROY))
{
priv->destroy_in_progress--;
clutter_actor_destroy (CLUTTER_ACTOR (cw));
}
#endif
}
static void
clutter_cmp_minimize_window (MetaCompositor *compositor, MetaWindow *window)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
MetaCompWindow *cw;
MetaCompScreen *info;
MetaScreen *screen;
MetaFrame *f = meta_window_get_frame (window);
screen = meta_window_get_screen (window);
info = meta_screen_get_compositor_data (screen);
/* Chances are we actually get the window frame here */
cw = find_window_for_screen (screen,
f ? meta_frame_get_xwindow (f) :
meta_window_get_xwindow (window));
if (!cw)
return;
/*
* If there is a plugin manager, try to run an effect; if no effect is
* executed, hide the actor.
*/
cw->priv->minimize_in_progress++;
if (!info->plugin_mgr ||
!meta_compositor_clutter_plugin_manager_event_simple (info->plugin_mgr,
cw,
META_COMPOSITOR_CLUTTER_PLUGIN_MINIMIZE))
{
ClutterActor *a = CLUTTER_ACTOR (cw);
gint height = clutter_actor_get_height (a);
cw->priv->is_minimized = TRUE;
cw->priv->minimize_in_progress--;
clutter_actor_set_position (a, 0, -height);
}
#endif
}
static void
clutter_cmp_maximize_window (MetaCompositor *compositor, MetaWindow *window,
gint x, gint y, gint width, gint height)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
MetaCompWindow *cw;
MetaCompScreen *info;
MetaScreen *screen;
MetaFrame *f = meta_window_get_frame (window);
screen = meta_window_get_screen (window);
info = meta_screen_get_compositor_data (screen);
/* Chances are we actually get the window frame here */
cw = find_window_for_screen (screen,
f ? meta_frame_get_xwindow (f) :
meta_window_get_xwindow (window));
if (!cw)
return;
cw->priv->maximize_in_progress++;
if (!info->plugin_mgr ||
!meta_compositor_clutter_plugin_manager_event_maximize (info->plugin_mgr,
cw,
META_COMPOSITOR_CLUTTER_PLUGIN_MAXIMIZE,
x, y, width, height))
{
cw->priv->maximize_in_progress--;
}
#endif
}
static void
clutter_cmp_unmaximize_window (MetaCompositor *compositor, MetaWindow *window,
gint x, gint y, gint width, gint height)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
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MetaCompWindow *cw;
MetaCompScreen *info;
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MetaScreen *screen;
MetaFrame *f = meta_window_get_frame (window);
screen = meta_window_get_screen (window);
info = meta_screen_get_compositor_data (screen);
/* Chances are we actually get the window frame here */
cw = find_window_for_screen (screen,
f ? meta_frame_get_xwindow (f) :
meta_window_get_xwindow (window));
if (!cw)
return;
cw->priv->unmaximize_in_progress++;
if (!info->plugin_mgr ||
!meta_compositor_clutter_plugin_manager_event_maximize (info->plugin_mgr,
cw,
META_COMPOSITOR_CLUTTER_PLUGIN_UNMAXIMIZE,
x, y, width, height))
{
cw->priv->unmaximize_in_progress--;
}
#endif
}
static void
clutter_cmp_update_workspace_geometry (MetaCompositor *compositor,
MetaWorkspace *workspace)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
MetaScreen *screen = meta_workspace_get_screen (workspace);
MetaCompScreen *info;
MetaCompositorClutterPluginManager *mgr;
info = meta_screen_get_compositor_data (screen);
mgr = info->plugin_mgr;
if (!mgr || !workspace)
return;
meta_compositor_clutter_plugin_manager_update_workspace (mgr, workspace);
#endif
}
static void
clutter_cmp_switch_workspace (MetaCompositor *compositor,
MetaScreen *screen,
MetaWorkspace *from,
MetaWorkspace *to,
MetaMotionDirection direction)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
MetaCompScreen *info;
GList *l;
gint to_indx, from_indx;
info = meta_screen_get_compositor_data (screen);
to_indx = meta_workspace_index (to);
from_indx = meta_workspace_index (from);
printf ("Direction of switch %d\n", direction);
l = info->windows;
while (l)
{
MetaCompWindow *cw = l->data;
MetaWindow *mw = cw->priv->window;
gboolean sticky;
gint workspace = -1;
sticky = (!mw || meta_window_is_on_all_workspaces (mw));
if (!sticky)
{
MetaWorkspace *w;
w = meta_window_get_workspace (cw->priv->window);
workspace = meta_workspace_index (w);
/*
* If the window is not on the target workspace, mark it for
* unmap.
*/
if (to_indx != workspace)
{
cw->priv->needs_unmap = TRUE;
}
else
{
cw->priv->needs_map = TRUE;
cw->priv->needs_unmap = FALSE;
}
}
l = l->next;
}
info->switch_workspace_in_progress++;
if (!info->plugin_mgr ||
!meta_compositor_clutter_plugin_manager_switch_workspace (
info->plugin_mgr,
(const GList **)&info->windows,
from_indx,
to_indx,
direction))
{
info->switch_workspace_in_progress--;
}
#endif
}
static MetaCompositor comp_info = {
clutter_cmp_destroy,
clutter_cmp_manage_screen,
clutter_cmp_unmanage_screen,
clutter_cmp_add_window,
clutter_cmp_remove_window,
clutter_cmp_set_updates,
clutter_cmp_process_event,
clutter_cmp_get_window_pixmap,
clutter_cmp_set_active_window,
clutter_cmp_destroy_window,
clutter_cmp_minimize_window,
clutter_cmp_maximize_window,
clutter_cmp_unmaximize_window,
clutter_cmp_update_workspace_geometry,
clutter_cmp_switch_workspace
};
MetaCompositor *
meta_compositor_clutter_new (MetaDisplay *display)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
char *atom_names[] = {
"_XROOTPMAP_ID",
"_XSETROOT_ID",
"_NET_WM_WINDOW_OPACITY",
};
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Atom atoms[G_N_ELEMENTS(atom_names)];
MetaCompositorClutter *clc;
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MetaCompositor *compositor;
Display *xdisplay = meta_display_get_xdisplay (display);
guchar *data;
if (!composite_at_least_version (display, 0, 3))
return NULL;
clc = g_new0 (MetaCompositorClutter, 1);
clc->compositor = comp_info;
compositor = (MetaCompositor *) clc;
clc->display = display;
meta_verbose ("Creating %d atoms\n", (int) G_N_ELEMENTS (atom_names));
XInternAtoms (xdisplay, atom_names, G_N_ELEMENTS (atom_names),
False, atoms);
clc->atom_x_root_pixmap = atoms[0];
clc->atom_x_set_root = atoms[1];
clc->atom_net_wm_window_opacity = atoms[2];
/* Shadow setup */
data = shadow_gaussian_make_tile ();
clc->shadow_src = clutter_texture_new ();
clutter_texture_set_from_rgb_data (CLUTTER_TEXTURE (clc->shadow_src),
data,
TRUE,
TILE_WIDTH,
TILE_HEIGHT,
TILE_WIDTH*4,
4,
0,
NULL);
free (data);
return compositor;
#else
return NULL;
#endif
}
Window
meta_compositor_clutter_get_overlay_window (MetaScreen *screen)
{
MetaCompScreen *info = meta_screen_get_compositor_data (screen);
return info->output;
}
/* ------------------------------- */
/* Shadow Generation */
typedef struct GaussianMap
{
int size;
double * data;
} GaussianMap;
static double
gaussian (double r, double x, double y)
{
return ((1 / (sqrt (2 * M_PI * r))) *
exp ((- (x * x + y * y)) / (2 * r * r)));
}
static GaussianMap *
make_gaussian_map (double r)
{
GaussianMap *c;
int size = ((int) ceil ((r * 3)) + 1) & ~1;
int center = size / 2;
int x, y;
double t = 0.0;
double g;
c = malloc (sizeof (GaussianMap) + size * size * sizeof (double));
c->size = size;
c->data = (double *) (c + 1);
for (y = 0; y < size; y++)
for (x = 0; x < size; x++)
{
g = gaussian (r, (double) (x - center), (double) (y - center));
t += g;
c->data[y * size + x] = g;
}
for (y = 0; y < size; y++)
for (x = 0; x < size; x++)
c->data[y*size + x] /= t;
return c;
}
static unsigned char
sum_gaussian (GaussianMap * map, double opacity,
int x, int y, int width, int height)
{
int fx, fy;
double * g_data;
double * g_line = map->data;
int g_size = map->size;
int center = g_size / 2;
int fx_start, fx_end;
int fy_start, fy_end;
double v;
unsigned int r;
/*
* Compute set of filter values which are "in range",
* that's the set with:
* 0 <= x + (fx-center) && x + (fx-center) < width &&
* 0 <= y + (fy-center) && y + (fy-center) < height
*
* 0 <= x + (fx - center) x + fx - center < width
* center - x <= fx fx < width + center - x
*/
fx_start = center - x;
if (fx_start < 0)
fx_start = 0;
fx_end = width + center - x;
if (fx_end > g_size)
fx_end = g_size;
fy_start = center - y;
if (fy_start < 0)
fy_start = 0;
fy_end = height + center - y;
if (fy_end > g_size)
fy_end = g_size;
g_line = g_line + fy_start * g_size + fx_start;
v = 0;
for (fy = fy_start; fy < fy_end; fy++)
{
g_data = g_line;
g_line += g_size;
for (fx = fx_start; fx < fx_end; fx++)
v += *g_data++;
}
if (v > 1)
v = 1;
v *= (opacity * 255.0);
r = (unsigned int) v;
return (unsigned char) r;
}
static unsigned char *
shadow_gaussian_make_tile ()
{
unsigned char * data;
int size;
int center;
int x, y;
unsigned char d;
int pwidth, pheight;
double opacity = SHADOW_OPACITY;
static GaussianMap * gaussian_map = NULL;
struct _mypixel
{
unsigned char r;
unsigned char g;
unsigned char b;
unsigned char a;
} * _d;
if (!gaussian_map)
gaussian_map =
make_gaussian_map (SHADOW_RADIUS);
size = gaussian_map->size;
center = size / 2;
/* Top & bottom */
pwidth = MAX_TILE_SZ;
pheight = MAX_TILE_SZ;
data = g_malloc0 (4 * TILE_WIDTH * TILE_HEIGHT);
_d = (struct _mypixel*) data;
/* N */
for (y = 0; y < pheight; y++)
{
d = sum_gaussian (gaussian_map, opacity,
center, y - center,
TILE_WIDTH, TILE_HEIGHT);
for (x = 0; x < pwidth; x++)
{
_d[y*3*pwidth + x + pwidth].r = 0;
_d[y*3*pwidth + x + pwidth].g = 0;
_d[y*3*pwidth + x + pwidth].b = 0;
_d[y*3*pwidth + x + pwidth].a = d;
}
}
/* S */
pwidth = MAX_TILE_SZ;
pheight = MAX_TILE_SZ;
for (y = 0; y < pheight; y++)
{
d = sum_gaussian (gaussian_map, opacity,
center, y - center,
TILE_WIDTH, TILE_HEIGHT);
for (x = 0; x < pwidth; x++)
{
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x + pwidth].r = 0;
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x + pwidth].g = 0;
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x + pwidth].b = 0;
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x + pwidth].a = d;
}
}
/* w */
pwidth = MAX_TILE_SZ;
pheight = MAX_TILE_SZ;
for (x = 0; x < pwidth; x++)
{
d = sum_gaussian (gaussian_map, opacity,
x - center, center,
TILE_WIDTH, TILE_HEIGHT);
for (y = 0; y < pheight; y++)
{
_d[y*3*pwidth + 3*pwidth*pheight + x].r = 0;
_d[y*3*pwidth + 3*pwidth*pheight + x].g = 0;
_d[y*3*pwidth + 3*pwidth*pheight + x].b = 0;
_d[y*3*pwidth + 3*pwidth*pheight + x].a = d;
}
}
/* E */
for (x = 0; x < pwidth; x++)
{
d = sum_gaussian (gaussian_map, opacity,
x - center, center,
TILE_WIDTH, TILE_HEIGHT);
for (y = 0; y < pheight; y++)
{
_d[y*3*pwidth + 3*pwidth*pheight + (pwidth-x-1) + 2*pwidth].r = 0;
_d[y*3*pwidth + 3*pwidth*pheight + (pwidth-x-1) + 2*pwidth].g = 0;
_d[y*3*pwidth + 3*pwidth*pheight + (pwidth-x-1) + 2*pwidth].b = 0;
_d[y*3*pwidth + 3*pwidth*pheight + (pwidth-x-1) + 2*pwidth].a = d;
}
}
/* NW */
pwidth = MAX_TILE_SZ;
pheight = MAX_TILE_SZ;
for (x = 0; x < pwidth; x++)
for (y = 0; y < pheight; y++)
{
d = sum_gaussian (gaussian_map, opacity,
x-center, y-center,
TILE_WIDTH, TILE_HEIGHT);
_d[y*3*pwidth + x].r = 0;
_d[y*3*pwidth + x].g = 0;
_d[y*3*pwidth + x].b = 0;
_d[y*3*pwidth + x].a = d;
}
/* SW */
for (x = 0; x < pwidth; x++)
for (y = 0; y < pheight; y++)
{
d = sum_gaussian (gaussian_map, opacity,
x-center, y-center,
TILE_WIDTH, TILE_HEIGHT);
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x].r = 0;
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x].g = 0;
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x].b = 0;
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x].a = d;
}
/* SE */
for (x = 0; x < pwidth; x++)
for (y = 0; y < pheight; y++)
{
d = sum_gaussian (gaussian_map, opacity,
x-center, y-center,
TILE_WIDTH, TILE_HEIGHT);
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + (pwidth-x-1) +
2*pwidth].r = 0;
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + (pwidth-x-1) +
2*pwidth].g = 0;
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + (pwidth-x-1) +
2*pwidth].b = 0;
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + (pwidth-x-1) +
2*pwidth].a = d;
}
/* NE */
for (x = 0; x < pwidth; x++)
for (y = 0; y < pheight; y++)
{
d = sum_gaussian (gaussian_map, opacity,
x-center, y-center,
TILE_WIDTH, TILE_HEIGHT);
_d[y*3*pwidth + (pwidth - x - 1) + 2*pwidth].r = 0;
_d[y*3*pwidth + (pwidth - x - 1) + 2*pwidth].g = 0;
_d[y*3*pwidth + (pwidth - x - 1) + 2*pwidth].b = 0;
_d[y*3*pwidth + (pwidth - x - 1) + 2*pwidth].a = d;
}
/* center */
pwidth = MAX_TILE_SZ;
pheight = MAX_TILE_SZ;
d = sum_gaussian (gaussian_map, opacity,
center, center, TILE_WIDTH, TILE_HEIGHT);
for (x = 0; x < pwidth; x++)
for (y = 0; y < pheight; y++)
{
_d[y*3*pwidth + 3*pwidth*pheight + x + pwidth].r = 0;
_d[y*3*pwidth + 3*pwidth*pheight + x + pwidth].g = 0;
_d[y*3*pwidth + 3*pwidth*pheight + x + pwidth].b = 0;
_d[y*3*pwidth + 3*pwidth*pheight + x + pwidth].a = d;
}
return data;
}