#define _GNU_SOURCE #define _XOPEN_SOURCE 500 /* for usleep() */ #include #include #include #include #include #include #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 "xprops.h" #include #include #include #include #include #include #include #include #include #include #include #include #define SHADOW_RADIUS 8 #define SHADOW_OPACITY 0.9 #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; } static ClutterActor* tidy_texture_frame_new (ClutterTexture *texture, gint left, gint top, gint right, gint bottom); static unsigned char* shadow_gaussian_make_tile (void); #ifdef HAVE_COMPOSITE_EXTENSIONS static inline gboolean 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 { MetaCompositor compositor; MetaDisplay *display; Atom atom_x_root_pixmap; Atom atom_x_set_root; Atom atom_net_wm_window_opacity; ClutterActor *shadow_src; gboolean show_redraw : 1; gboolean debug : 1; } MetaCompositorClutter; typedef struct _MetaCompScreen { MetaScreen *screen; ClutterActor *stage; GList *windows; GHashTable *windows_by_xid; MetaWindow *focus_window; Window output; GSList *dock_windows; gint switch_workspace_in_progress; MetaCompositorClutterPluginManager *plugin_mgr; } MetaCompScreen; /* * MetaCompWindow object (ClutterGroup sub-class) */ #define META_TYPE_COMP_WINDOW (meta_comp_window_get_type ()) #define META_COMP_WINDOW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_COMP_WINDOW, MetaCompWindow)) #define META_COMP_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_COMP_WINDOW, MetaCompWindowClass)) #define IS_META_COMP_WINDOW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_COMP_WINDOW_TYPE)) #define META_IS_COMP_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_COMP_WINDOW)) #define META_COMP_WINDOW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), META_TYPE_COMP_WINDOW, MetaCompWindowClass)) typedef struct _MetaCompWindow MetaCompWindow; typedef struct _MetaCompWindowClass MetaCompWindowClass; typedef struct _MetaCompWindowPrivate MetaCompWindowPrivate; struct _MetaCompWindowClass { ClutterGroupClass parent_class; }; struct _MetaCompWindow { ClutterGroup parent; MetaCompWindowPrivate *priv; }; 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 { 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); static void meta_comp_window_constructed (GObject *object); static void meta_comp_window_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void meta_comp_window_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static void meta_comp_window_get_window_type (MetaCompWindow *self); static void meta_comp_window_detach (MetaCompWindow *self); GType meta_comp_window_get_type (void); G_DEFINE_TYPE (MetaCompWindow, meta_comp_window, CLUTTER_TYPE_GROUP); static void meta_comp_window_class_init (MetaCompWindowClass *klass) { 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, 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, 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, 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 meta_comp_window_constructed (GObject *object) { 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; Display *xdisplay = meta_display_get_xdisplay (display); XRenderPictFormat *format; meta_comp_window_get_window_type (self); 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); 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 = clutter_glx_texture_pixmap_new (); clutter_container_add_actor (CLUTTER_CONTAINER (self), priv->actor); } static void meta_comp_window_dispose (GObject *object) { 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, guint prop_id, const GValue *value, GParamSpec *pspec) { MetaCompWindowPrivate *priv = META_COMP_WINDOW (object)->priv; switch (prop_id) { case PROP_MCW_META_WINDOW: priv->window = g_value_get_pointer (value); break; case PROP_MCW_META_SCREEN: priv->screen = g_value_get_pointer (value); break; 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, guint prop_id, GValue *value, GParamSpec *pspec) { MetaCompWindowPrivate *priv = META_COMP_WINDOW (object)->priv; switch (prop_id) { case PROP_MCW_META_WINDOW: g_value_set_pointer (value, priv->window); break; case PROP_MCW_META_SCREEN: g_value_set_pointer (value, priv->screen); break; 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* 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 * 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 * find_window_for_child_window_in_display (MetaDisplay *display, Window xwindow) { 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_get_window_type (MetaCompWindow *self) { 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. */ 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; } 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); 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) */ if (priv->argb32 || priv->opacity != 0xff) { meta_verbose ("Window has no shadow as it is ARGB\n"); return FALSE; } /* * Add shadows to override redirect windows (e.g., Gtk menus). */ if (priv->attrs.override_redirect) { meta_verbose ("Window has shadow because it is override redirect.\n"); return TRUE; } /* * 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) { if (meta_window_get_frame (priv->window)) { meta_verbose ("Window has shadow because it has a frame\n"); return TRUE; } } /* * Never put a shadow around shaped windows */ if (priv->shaped) { meta_verbose ("Window has no shadow as it is shaped\n"); return FALSE; } /* * Don't put shadow around DND icon windows */ if (priv->type == META_COMP_WINDOW_DND || priv->type == META_COMP_WINDOW_DESKTOP) { meta_verbose ("Window has no shadow as it is DND or Desktop\n"); return FALSE; } if (priv->type == META_COMP_WINDOW_MENU #if 0 || priv->type == META_COMP_WINDOW_DROP_DOWN_MENU #endif ) { meta_verbose ("Window has shadow as it is a menu\n"); return TRUE; } #if 0 if (priv->type == META_COMP_WINDOW_TOOLTIP) { meta_verbose ("Window has shadow as it is a tooltip\n"); return TRUE; } #endif meta_verbose ("Window has no shadow as it fell through\n"); return FALSE; } 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 (ClutterActor *actor, gulong event) { MetaCompWindow *cw = META_COMP_WINDOW (actor); MetaCompWindowPrivate *priv = cw->priv; MetaScreen *screen = priv->screen; MetaCompScreen *info = meta_screen_get_compositor_data (screen); 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 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 destroy_win (MetaDisplay *display, Window xwindow) { MetaCompWindow *cw; cw = find_window_in_display (display, xwindow); if (cw == NULL) return; clutter_actor_destroy (CLUTTER_ACTOR (cw)); } static void restack_win (MetaCompWindow *cw, Window above) { MetaCompWindowPrivate *priv = cw->priv; 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) { 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; for (index = info->windows; index; index = index->next) { MetaCompWindow *cw2 = (MetaCompWindow *) index->data; if (cw2->priv->xwindow == above) break; } if (index != NULL) { 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; priv->attrs.x = x; priv->attrs.y = y; priv->attrs.width = width; priv->attrs.height = height; 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; meta_comp_window_detach (cw); 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_0 (info->plugin_mgr, CLUTTER_ACTOR (cw), META_COMPOSITOR_CLUTTER_PLUGIN_MAP, cw->priv->type, 0)) { 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 add_win (MetaScreen *screen, MetaWindow *window, Window xwindow) { 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->stage), 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 /* * 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); 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 || (CLUTTER_GLX_IS_TEXTURE_PIXMAP (priv->actor) && clutter_glx_texture_pixmap_using_extension ( CLUTTER_GLX_TEXTURE_PIXMAP (priv->actor)))) { 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); if (screen == NULL) return; /* * This is quite silly as we end up creating windows as then immediatly * destroying them as they (likely) become framed and thus reparented. */ 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); 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); destroy_win (compositor->display, event->window); } } static void process_destroy (MetaCompositorClutter *compositor, XDestroyWindowEvent *event) { 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 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 */ 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; Window above; MetaCompWindowPrivate *priv; if (!cw) return; priv = cw->priv; 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); 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; } 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_get_window_type (cw); return; } } static void show_overlay_window (MetaScreen *screen, Window cow) { 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); 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; } static void clutter_cmp_manage_screen (MetaCompositor *compositor, MetaScreen *screen) { #ifdef HAVE_COMPOSITE_EXTENSIONS MetaCompScreen *info; 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; meta_error_trap_push_with_return (display); XCompositeRedirectSubwindows (xdisplay, xroot, CompositeRedirectManual); XSync (xdisplay, FALSE); 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->plugin_mgr = meta_compositor_clutter_plugin_manager_new (screen, info->stage); clutter_actor_show_all (info->stage); /* 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; 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; /* * 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); } /* else if (event->type == meta_display_get_shape_event_base (xrc->display) + ShapeNotify) process_shape (xrc, (XShapeEvent *) event); 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; /* * We remove the window from internal lookup hashes and thus any other * unmap events etc fail */ 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_0 (info->plugin_mgr, CLUTTER_ACTOR (cw), META_COMPOSITOR_CLUTTER_PLUGIN_DESTROY, cw->priv->type, 0)) { 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_0 (info->plugin_mgr, CLUTTER_ACTOR (cw), META_COMPOSITOR_CLUTTER_PLUGIN_MINIMIZE, cw->priv->type, 0)) { 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_4i (info->plugin_mgr, CLUTTER_ACTOR (cw), META_COMPOSITOR_CLUTTER_PLUGIN_MAXIMIZE, cw->priv->type, 0, 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 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->unmaximize_in_progress++; if (!info->plugin_mgr || !meta_compositor_clutter_plugin_manager_event_4i (info->plugin_mgr, CLUTTER_ACTOR (cw), META_COMPOSITOR_CLUTTER_PLUGIN_UNMAXIMIZE, cw->priv->type, 0, 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) { #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); 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; } } /* * Attach workspace number to the actor, so the plugin can use it. */ g_object_set_data (G_OBJECT (cw), META_COMPOSITOR_CLUTTER_PLUGIN_WORKSPACE_KEY, GINT_TO_POINTER (workspace)); 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)) { 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", }; Atom atoms[G_N_ELEMENTS(atom_names)]; MetaCompositorClutter *clc; 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 } /* ------------------------------- */ /* 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; } #define TIDY_TYPE_TEXTURE_FRAME (tidy_texture_frame_get_type ()) #define TIDY_TEXTURE_FRAME(obj) \ (G_TYPE_CHECK_INSTANCE_CAST ((obj), \ TIDY_TYPE_TEXTURE_FRAME, TidyTextureFrame)) #define TIDY_TEXTURE_FRAME_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST ((klass), \ TIDY_TYPE_TEXTURE_FRAME, TidyTextureFrameClass)) #define TIDY_IS_TEXTURE_FRAME(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \ TIDY_TYPE_TEXTURE_FRAME)) #define TIDY_IS_TEXTURE_FRAME_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE ((klass), \ TIDY_TYPE_TEXTURE_FRAME)) #define TIDY_TEXTURE_FRAME_GET_CLASS(obj) \ (G_TYPE_INSTANCE_GET_CLASS ((obj), \ TIDY_TYPE_TEXTURE_FRAME, TidyTextureFrameClass)) typedef struct _TidyTextureFrame TidyTextureFrame; typedef struct _TidyTextureFramePrivate TidyTextureFramePrivate; typedef struct _TidyTextureFrameClass TidyTextureFrameClass; struct _TidyTextureFrame { ClutterCloneTexture parent; /*< priv >*/ TidyTextureFramePrivate *priv; }; struct _TidyTextureFrameClass { ClutterCloneTextureClass parent_class; /* padding for future expansion */ void (*_clutter_box_1) (void); void (*_clutter_box_2) (void); void (*_clutter_box_3) (void); void (*_clutter_box_4) (void); }; GType tidy_texture_frame_get_type (void) G_GNUC_CONST; #define TIDY_PARAM_READABLE \ (G_PARAM_READABLE | \ G_PARAM_STATIC_NICK | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB) #define TIDY_PARAM_READWRITE \ (G_PARAM_READABLE | G_PARAM_WRITABLE | \ G_PARAM_STATIC_NICK | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB) enum { PROP_0, PROP_LEFT, PROP_TOP, PROP_RIGHT, PROP_BOTTOM }; G_DEFINE_TYPE (TidyTextureFrame, tidy_texture_frame, CLUTTER_TYPE_CLONE_TEXTURE); #define TIDY_TEXTURE_FRAME_GET_PRIVATE(obj) \ (G_TYPE_INSTANCE_GET_PRIVATE ((obj), TIDY_TYPE_TEXTURE_FRAME, TidyTextureFramePrivate)) struct _TidyTextureFramePrivate { gint left, top, right, bottom; }; static void tidy_texture_frame_paint (ClutterActor *self) { TidyTextureFramePrivate *priv = TIDY_TEXTURE_FRAME (self)->priv; ClutterCloneTexture *clone_texture = CLUTTER_CLONE_TEXTURE (self); ClutterTexture *parent_texture; guint width, height; guint tex_width, tex_height; guint ex, ey; ClutterFixed tx1, ty1, tx2, ty2; ClutterColor col = { 0xff, 0xff, 0xff, 0xff }; CoglHandle cogl_texture; priv = TIDY_TEXTURE_FRAME (self)->priv; /* no need to paint stuff if we don't have a texture */ parent_texture = clutter_clone_texture_get_parent_texture (clone_texture); if (!parent_texture) return; /* parent texture may have been hidden, so need to make sure it gets * realized */ if (!CLUTTER_ACTOR_IS_REALIZED (parent_texture)) clutter_actor_realize (CLUTTER_ACTOR (parent_texture)); cogl_texture = clutter_texture_get_cogl_texture (parent_texture); if (cogl_texture == COGL_INVALID_HANDLE) return; cogl_push_matrix (); tex_width = cogl_texture_get_width (cogl_texture); tex_height = cogl_texture_get_height (cogl_texture); clutter_actor_get_size (self, &width, &height); tx1 = CLUTTER_INT_TO_FIXED (priv->left) / tex_width; tx2 = CLUTTER_INT_TO_FIXED (tex_width - priv->right) / tex_width; ty1 = CLUTTER_INT_TO_FIXED (priv->top) / tex_height; ty2 = CLUTTER_INT_TO_FIXED (tex_height - priv->bottom) / tex_height; col.alpha = clutter_actor_get_paint_opacity (self); cogl_color (&col); ex = width - priv->right; if (ex < 0) ex = priv->right; /* FIXME ? */ ey = height - priv->bottom; if (ey < 0) ey = priv->bottom; /* FIXME ? */ #define FX(x) CLUTTER_INT_TO_FIXED(x) /* top left corner */ cogl_texture_rectangle (cogl_texture, 0, 0, FX(priv->left), /* FIXME: clip if smaller */ FX(priv->top), 0, 0, tx1, ty1); /* top middle */ cogl_texture_rectangle (cogl_texture, FX(priv->left), FX(priv->top), FX(ex), 0, tx1, 0, tx2, ty1); /* top right */ cogl_texture_rectangle (cogl_texture, FX(ex), 0, FX(width), FX(priv->top), tx2, 0, CFX_ONE, ty1); /* mid left */ cogl_texture_rectangle (cogl_texture, 0, FX(priv->top), FX(priv->left), FX(ey), 0, ty1, tx1, ty2); /* center */ cogl_texture_rectangle (cogl_texture, FX(priv->left), FX(priv->top), FX(ex), FX(ey), tx1, ty1, tx2, ty2); /* mid right */ cogl_texture_rectangle (cogl_texture, FX(ex), FX(priv->top), FX(width), FX(ey), tx2, ty1, CFX_ONE, ty2); /* bottom left */ cogl_texture_rectangle (cogl_texture, 0, FX(ey), FX(priv->left), FX(height), 0, ty2, tx1, CFX_ONE); /* bottom center */ cogl_texture_rectangle (cogl_texture, FX(priv->left), FX(ey), FX(ex), FX(height), tx1, ty2, tx2, CFX_ONE); /* bottom right */ cogl_texture_rectangle (cogl_texture, FX(ex), FX(ey), FX(width), FX(height), tx2, ty2, CFX_ONE, CFX_ONE); cogl_pop_matrix (); } static void tidy_texture_frame_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { TidyTextureFrame *ctexture = TIDY_TEXTURE_FRAME (object); TidyTextureFramePrivate *priv = ctexture->priv; switch (prop_id) { case PROP_LEFT: priv->left = g_value_get_int (value); break; case PROP_TOP: priv->top = g_value_get_int (value); break; case PROP_RIGHT: priv->right = g_value_get_int (value); break; case PROP_BOTTOM: priv->bottom = g_value_get_int (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void tidy_texture_frame_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { TidyTextureFrame *ctexture = TIDY_TEXTURE_FRAME (object); TidyTextureFramePrivate *priv = ctexture->priv; switch (prop_id) { case PROP_LEFT: g_value_set_int (value, priv->left); break; case PROP_TOP: g_value_set_int (value, priv->top); break; case PROP_RIGHT: g_value_set_int (value, priv->right); break; case PROP_BOTTOM: g_value_set_int (value, priv->bottom); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void tidy_texture_frame_class_init (TidyTextureFrameClass *klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass); actor_class->paint = tidy_texture_frame_paint; gobject_class->set_property = tidy_texture_frame_set_property; gobject_class->get_property = tidy_texture_frame_get_property; g_object_class_install_property (gobject_class, PROP_LEFT, g_param_spec_int ("left", "left", "", 0, G_MAXINT, 0, TIDY_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_TOP, g_param_spec_int ("top", "top", "", 0, G_MAXINT, 0, TIDY_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_BOTTOM, g_param_spec_int ("bottom", "bottom", "", 0, G_MAXINT, 0, TIDY_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_RIGHT, g_param_spec_int ("right", "right", "", 0, G_MAXINT, 0, TIDY_PARAM_READWRITE)); g_type_class_add_private (gobject_class, sizeof (TidyTextureFramePrivate)); } static void tidy_texture_frame_init (TidyTextureFrame *self) { TidyTextureFramePrivate *priv; self->priv = priv = TIDY_TEXTURE_FRAME_GET_PRIVATE (self); } static ClutterActor* tidy_texture_frame_new (ClutterTexture *texture, gint left, gint top, gint right, gint bottom) { g_return_val_if_fail (texture == NULL || CLUTTER_IS_TEXTURE (texture), NULL); return g_object_new (TIDY_TYPE_TEXTURE_FRAME, "parent-texture", texture, "left", left, "top", top, "right", right, "bottom", bottom, NULL); }