/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ #define _GNU_SOURCE #define _XOPEN_SOURCE 500 /* for usleep() */ #include #include #include #include #include #include #include "../../core/window-private.h" #include "display.h" #include "screen.h" #include "frame.h" #include "errors.h" #include "window.h" #include "compositor-private.h" #include "compositor-mutter.h" #include "mutter-plugin-manager.h" #include "tidy/tidy-texture-frame.h" #include "xprops.h" #include "prefs.h" #include "mutter-shaped-texture.h" #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_GLX_TEXTURE_PIXMAP #include #endif /* HAVE_GLX_TEXTURE_PIXMAP */ #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) #define CHECK_LIST_INTEGRITY_START(list) \ {int len2__; int len__ = g_list_length(list); #define CHECK_LIST_INTEGRITY_END(list) \ len2__ = g_list_length(list); \ if (len__ != len2__) \ g_warning ("Integrity check of list failed at %s:%d\n", \ __FILE__, __LINE__); } /* * Register GType wrapper for XWindowAttributes, so we do not have to * query window attributes in the MutterWindow 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 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 _Mutter { 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; } Mutter; typedef struct _MetaCompScreen { MetaScreen *screen; ClutterActor *stage, *window_group, *overlay_group; GList *windows; GHashTable *windows_by_xid; MetaWindow *focus_window; Window output; GSList *dock_windows; gint switch_workspace_in_progress; MutterPluginManager *plugin_mgr; } MetaCompScreen; /* * MutterWindow implementation */ struct _MutterWindowPrivate { 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 mutter_window_class_init (MutterWindowClass *klass); static void mutter_window_init (MutterWindow *self); static void mutter_window_dispose (GObject *object); static void mutter_window_finalize (GObject *object); static void mutter_window_constructed (GObject *object); static void mutter_window_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void mutter_window_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static void mutter_window_query_window_type (MutterWindow *self); static void mutter_window_detach (MutterWindow *self); G_DEFINE_TYPE (MutterWindow, mutter_window, CLUTTER_TYPE_GROUP); static void mutter_window_class_init (MutterWindowClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GParamSpec *pspec; g_type_class_add_private (klass, sizeof (MutterWindowPrivate)); object_class->dispose = mutter_window_dispose; object_class->finalize = mutter_window_finalize; object_class->set_property = mutter_window_set_property; object_class->get_property = mutter_window_get_property; object_class->constructed = mutter_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 mutter_window_init (MutterWindow *self) { MutterWindowPrivate *priv; priv = self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, MUTTER_TYPE_COMP_WINDOW, MutterWindowPrivate); priv->opacity = 0xff; } static gboolean is_shaped (MetaDisplay *display, Window xwindow); static gboolean mutter_window_has_shadow (MutterWindow *self); static void update_shape (Mutter *compositor, MutterWindow *cw); static void mutter_window_constructed (GObject *object) { MutterWindow *self = MUTTER_WINDOW (object); MutterWindowPrivate *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; mutter_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); if (format && format->type == PictTypeDirect && format->direct.alphaMask) priv->argb32 = TRUE; if (mutter_window_has_shadow (self)) { Mutter *compositor = (Mutter*)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 = mutter_shaped_texture_new (); clutter_container_add_actor (CLUTTER_CONTAINER (self), priv->actor); update_shape ((Mutter *) meta_display_get_compositor (display), self); } static void mutter_window_dispose (GObject *object) { MutterWindow *self = MUTTER_WINDOW (object); MutterWindowPrivate *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); mutter_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 (mutter_window_parent_class)->dispose (object); } static void mutter_window_finalize (GObject *object) { G_OBJECT_CLASS (mutter_window_parent_class)->finalize (object); } static void mutter_window_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { MutterWindowPrivate *priv = MUTTER_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 mutter_window_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { MutterWindowPrivate *priv = MUTTER_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 MutterWindow* 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 MutterWindow * find_window_in_display (MetaDisplay *display, Window xwindow) { GSList *index; for (index = meta_display_get_screens (display); index; index = index->next) { MutterWindow *cw = find_window_for_screen (index->data, xwindow); if (cw != NULL) return cw; } return NULL; } static MutterWindow * 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 mutter_window_query_window_type (MutterWindow *self) { MutterWindowPrivate *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 mutter_window_has_shadow (MutterWindow *self) { MutterWindowPrivate * priv = self->priv; /* * 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 0x%x has shadow because it has a frame\n", (guint)priv->xwindow); return TRUE; } } /* * Do not add shadows to ARGB windows (since they are probably transparent) */ if (priv->argb32 || priv->opacity != 0xff) { meta_verbose ("Window 0x%x has no shadow as it is ARGB\n", (guint)priv->xwindow); return FALSE; } /* * 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); 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; } /* * Don't put shadow around DND icon windows */ if (priv->type == META_COMP_WINDOW_DND || priv->type == META_COMP_WINDOW_DESKTOP) { meta_verbose ("Window 0x%x has no shadow as it is DND or Desktop\n", (guint)priv->xwindow); return FALSE; } if (priv->type == META_COMP_WINDOW_MENU #if 0 || priv->type == META_COMP_WINDOW_DROP_DOWN_MENU #endif ) { meta_verbose ("Window 0x%x has shadow as it is a menu\n", (guint)priv->xwindow); return TRUE; } #if 0 if (priv->type == META_COMP_WINDOW_TOOLTIP) { meta_verbose ("Window 0x%x has shadow as it is a tooltip\n", (guint)priv->xwindow); return TRUE; } #endif meta_verbose ("Window 0x%x has no shadow as it fell through\n", (guint)priv->xwindow); return FALSE; } Window mutter_window_get_x_window (MutterWindow *mcw) { if (!mcw) return None; return mcw->priv->xwindow; } MetaWindow * mutter_window_get_meta_window (MutterWindow *mcw) { return mcw->priv->window; } ClutterActor * mutter_window_get_texture (MutterWindow *mcw) { return mcw->priv->actor; } MetaCompWindowType mutter_window_get_window_type (MutterWindow *mcw) { if (!mcw) return 0; return mcw->priv->type; } gboolean mutter_window_is_override_redirect (MutterWindow *mcw) { if (!mcw->priv->window) return TRUE; return FALSE; } gint mutter_window_get_workspace (MutterWindow *mcw) { MutterWindowPrivate *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); } gboolean mutter_window_is_hidden (MutterWindow *mcw) { MutterWindowPrivate *priv; if (!mcw) return TRUE; priv = mcw->priv; if (!priv->window) return FALSE; return meta_window_is_hidden (priv->window); } static void repair_win (MutterWindow *cw); static void map_win (MutterWindow *cw); static void unmap_win (MutterWindow *cw); static void mutter_finish_workspace_switch (MetaCompScreen *info) { GList *last = g_list_last (info->windows); GList *l; /* printf ("FINISHING DESKTOP SWITCH\n"); */ if (!meta_prefs_get_live_hidden_windows ()) { /* When running in the traditional mode where hidden windows get * unmapped, we need to fix up the map status for each window, since * we are ignoring unmap requests during the effect. */ l = last; while (l) { MutterWindow *cw = l->data; MutterWindowPrivate *priv = cw->priv; if (priv->needs_map && !priv->needs_unmap) { map_win (cw); } if (priv->needs_unmap) { unmap_win (cw); } l = l->prev; } } /* * Fix up stacking order in case the plugin messed it up. */ l = last; while (l) { ClutterActor *a = l->data; MutterWindow *mw = l->data; MetaWindow *window = mw->priv->window; /* * If this window is not marked as hidden, we raise it. * If it has no MetaWindow associated (i.e., override redirect), we * raise it too. Everything else we push to the bottom. */ if (!window || !meta_window_is_hidden (window)) { #if 0 printf ("raising %p [0x%x] (%s) to top\n", a, (guint)mw->priv->xwindow, mw->priv->window ? mw->priv->window->desc : "unknown"); #endif clutter_actor_raise_top (a); } else { #if 0 printf ("lowering %p [0x%x] (%s) to bottom\n", a, (guint)mw->priv->xwindow, mw->priv->window ? mw->priv->window->desc : "unknown"); #endif clutter_actor_lower_bottom (a); } l = l->prev; } /* printf ("... FINISHED DESKTOP SWITCH\n"); */ } void mutter_window_effect_completed (MutterWindow *cw, gulong event) { MutterWindowPrivate *priv = cw->priv; MetaScreen *screen = priv->screen; MetaCompScreen *info = meta_screen_get_compositor_data (screen); ClutterActor *actor = CLUTTER_ACTOR (cw); switch (event) { case MUTTER_PLUGIN_MINIMIZE: { ClutterActor *a = CLUTTER_ACTOR (cw); 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; /* * We must ensure that the minimized actor is pushed down the stack * (the XConfigureEvent has 'above' semantics, i.e., when a window * is lowered, we get a bunch of 'raise' notifications, but might * not get any notification for the window that has been lowered. */ clutter_actor_lower_bottom (a); /* Make sure that after the effect finishes, the actor is * made visible for sake of live previews. */ clutter_actor_show (a); } } break; case MUTTER_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 MUTTER_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 MUTTER_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); mutter_window_detach (cw); repair_win (cw); } break; case MUTTER_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); mutter_window_detach (cw); repair_win (cw); } break; case MUTTER_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) mutter_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 mutter_window_detach (MutterWindow *self) { MutterWindowPrivate *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 (MutterWindow *cw, gboolean no_effect) { MetaCompScreen *info; MutterWindowPrivate *priv; MetaScreen *screen; if (!cw) return; priv = cw->priv; screen = priv->screen; info = meta_screen_get_compositor_data (screen); /* * 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)priv->xwindow); if (no_effect || priv->type == META_COMP_WINDOW_OVERRIDE) { /* * No effects, just kill it. */ clutter_actor_destroy (CLUTTER_ACTOR (cw)); return; } /* * 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 || !mutter_plugin_manager_event_simple (info->plugin_mgr, cw, MUTTER_PLUGIN_DESTROY)) { priv->destroy_in_progress--; clutter_actor_destroy (CLUTTER_ACTOR (cw)); } } static void restack_win (MutterWindow *cw, Window above) { MutterWindowPrivate *priv = cw->priv; MetaScreen *screen = priv->screen; MetaCompScreen *info = meta_screen_get_compositor_data (screen); Window previous_above; GList *sibling, *next; gboolean hide = FALSE; gboolean live_mode; live_mode = meta_prefs_get_live_hidden_windows (); if (priv->window && meta_window_is_hidden (priv->window)) hide = TRUE; sibling = g_list_find (info->windows, (gconstpointer) cw); next = g_list_next (sibling); previous_above = None; if (next) { MutterWindow *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) { #if 0 printf ("Raising to top %p [0x%x] (%s)\n", cw, (guint) priv->xwindow, priv->window ? priv->window->desc : "unknown"); #endif /* Insert at bottom of window stack */ CHECK_LIST_INTEGRITY_START(info->windows) info->windows = g_list_delete_link (info->windows, sibling); info->windows = g_list_append (info->windows, cw); CHECK_LIST_INTEGRITY_END(info->windows) if (!info->switch_workspace_in_progress) { clutter_actor_raise_top (CLUTTER_ACTOR (cw)); } } else if (previous_above != above) { GList *index; /* Find the window that matches 'above'; if the window is hidden (i.e., * minimized, on a different desktop) find the first window above it tha * is not and use it instead; if we cannot find any such window then * fallback to raise to top (without this, we end up stacking up the act * in the wrong place, and it probably will not be visible at all). */ for (index = info->windows; index; index = index->next) { MutterWindow *cw2 = (MutterWindow *) index->data; if (cw2->priv->xwindow == above) { if (live_mode && !hide && cw2->priv->window && meta_window_is_hidden (cw2->priv->window)) { index = index->prev; while (index) { MutterWindow *prev = index->data; if (!prev->priv->window || !meta_window_is_hidden (prev->priv->window)) { break; } index = index->prev; } } break; } } if (index != NULL) { if (index != sibling) { ClutterActor *above_win = index->data; MutterWindow *cw2 = index->data; CHECK_LIST_INTEGRITY_START(info->windows) info->windows = g_list_delete_link (info->windows, sibling); info->windows = g_list_insert_before (info->windows, index, cw); CHECK_LIST_INTEGRITY_END(info->windows) #if 0 printf ("Raising %p [0x%x] (%s) hidden %d, above %p [0x%x] (%s)\n", cw, (guint) priv->xwindow, priv->window ? priv->window->desc : "unknown", hide, cw2, (guint) cw2->priv->xwindow, cw2->priv->window ? cw2->priv->window->desc : "unknown"); #endif if (!info->switch_workspace_in_progress) { clutter_actor_raise (CLUTTER_ACTOR (cw), above_win); } } } else if (live_mode) { if (!hide) { #if 0 printf ("Raising to top as fallback %p [0x%x] (%s)\n", cw, (guint) priv->xwindow, priv->window ? priv->window->desc : "unknown"); #endif /* Insert at bottom of window stack */ CHECK_LIST_INTEGRITY_START(info->windows) info->windows = g_list_delete_link (info->windows, sibling); info->windows = g_list_append (info->windows, cw); CHECK_LIST_INTEGRITY_END(info->windows) if (!info->switch_workspace_in_progress) { clutter_actor_raise_top (CLUTTER_ACTOR (cw)); } } else { #if 0 printf ("Lowering to bottom as fallback %p [0x%x] (%s)\n", cw, (guint) priv->xwindow, priv->window ? priv->window->desc : "unknown"); #endif /* Insert at bottom of window stack */ CHECK_LIST_INTEGRITY_START(info->windows) info->windows = g_list_delete_link (info->windows, sibling); info->windows = g_list_prepend (info->windows, cw); CHECK_LIST_INTEGRITY_END(info->windows) if (!info->switch_workspace_in_progress) { clutter_actor_lower_bottom (CLUTTER_ACTOR (cw)); } } } } } static void resize_win (MutterWindow *cw, int x, int y, int width, int height, int border_width, gboolean override_redirect) { MutterWindowPrivate *priv = cw->priv; if (priv->attrs.width != width || priv->attrs.height != height) mutter_window_detach (cw); priv->attrs.width = width; priv->attrs.height = height; priv->attrs.x = x; priv->attrs.y = y; 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 (MutterWindow *cw) { MutterWindowPrivate *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; mutter_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 || !mutter_plugin_manager_event_simple (info->plugin_mgr, cw, MUTTER_PLUGIN_MAP)) { clutter_actor_show_all (CLUTTER_ACTOR (cw)); priv->map_in_progress--; priv->is_minimized = FALSE; } } static void unmap_win (MutterWindow *cw) { MutterWindowPrivate *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; priv->needs_unmap = FALSE; priv->needs_map = FALSE; if (!priv->minimize_in_progress && (!meta_prefs_get_live_hidden_windows () || priv->type == META_COMP_WINDOW_OVERRIDE)) { clutter_actor_hide (CLUTTER_ACTOR (cw)); } } 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); MutterWindow *cw; MutterWindowPrivate *priv; Display *xdisplay = meta_display_get_xdisplay (display); XWindowAttributes attrs; gulong events_needed; 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 */ events_needed = PropertyChangeMask | SubstructureNotifyMask | StructureNotifyMask; if (!(attrs.your_event_mask & PropertyChangeMask) || !(attrs.your_event_mask & StructureNotifyMask) || !(attrs.your_event_mask & SubstructureNotifyMask)) { gulong event_mask; event_mask = attrs.your_event_mask | events_needed; XSelectInput (xdisplay, xwindow, event_mask); } meta_verbose ("add window: Meta %p, xwin 0x%x\n", window, (guint) xwindow); cw = g_object_new (MUTTER_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); if (!window) printf ("!!! override 0x%x at %d, %d\n", (guint)xwindow, 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); } meta_verbose ("added 0x%x (%p) type:", (guint)xwindow, cw); #if 0 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 (MutterWindow *cw) { MutterWindowPrivate *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 #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 (Mutter *compositor, XCreateWindowEvent *event, MetaWindow *window) { MetaScreen *screen; Window xwindow = event->window; MutterWindow *mw; 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. */ mw = find_window_for_screen (screen, xwindow); if (!mw && window) { xwindow = meta_window_get_xwindow (window); mw = find_window_for_screen (screen, xwindow); } if (mw) { destroy_win (mw, TRUE); } add_win (screen, window, event->window); } static void process_reparent (Mutter *compositor, XReparentEvent *event, MetaWindow *window) { MetaScreen *screen; MutterWindow *mw; Window xwindow = event->window; gboolean viewable = FALSE; screen = meta_display_screen_for_root (compositor->display, event->parent); if (!screen) return; mw = find_window_for_screen (screen, xwindow); if (!mw && window) { xwindow = meta_window_get_xwindow (window); mw = find_window_for_screen (screen, xwindow); } if (!mw && window) { xwindow = meta_window_get_xwindow (window); mw = find_window_for_screen (screen, xwindow); } if (mw) { viewable = (mw->priv->attrs.map_state == IsViewable); destroy_win (mw, TRUE); } add_win (screen, window, event->window); } static void process_destroy (Mutter *compositor, XDestroyWindowEvent *event) { MutterWindow *cw = find_window_in_display (compositor->display, event->window); if (!cw) return; destroy_win (cw, FALSE); } static void process_damage (Mutter *compositor, XDamageNotifyEvent *event) { XEvent next; Display *dpy = event->display; Drawable drawable = event->drawable; MutterWindowPrivate *priv; MutterWindow *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; destroy_win (cw, FALSE); return; } repair_win (cw); } static void update_shape (Mutter *compositor, MutterWindow *cw) { MutterWindowPrivate *priv = cw->priv; mutter_shaped_texture_clear_rectangles (MUTTER_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) { mutter_shaped_texture_add_rectangles (MUTTER_SHAPED_TEXTURE (priv->actor), n_rects, rects); XFree (rects); } } #endif } #ifdef HAVE_SHAPE static void process_shape (Mutter *compositor, XShapeEvent *event) { MutterWindow *cw = find_window_in_display (compositor->display, event->window); MutterWindowPrivate *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 (Mutter *compositor, XConfigureEvent *event) { MetaDisplay *display = compositor->display; MutterWindow *cw; /* * We get each configure event twice; once through the WM solicitation of the * events on the root window, and once through solicitation on the window * itself -- we will only handle the latter, in which case the event and * window members of the config event are identical. */ if (event->event != event->window) return; 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 (Mutter *compositor, XCirculateEvent *event) { MutterWindow *cw = find_window_in_display (compositor->display, event->window); MutterWindow *top; MetaCompScreen *info; Window above; MutterWindowPrivate *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 (Mutter *compositor, XUnmapEvent *event) { MutterWindow *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; MutterWindowPrivate *priv = cw->priv; if (priv->attrs.map_state == IsUnmapped || priv->destroy_pending) return; if (XCheckTypedWindowEvent (dpy, xwin, DestroyNotify, &next)) { priv->destroy_pending = TRUE; destroy_win (cw, FALSE); return; } unmap_win (cw); } } static void process_map (Mutter *compositor, XMapEvent *event, MetaWindow *window) { MutterWindow *cw; Window xwindow = event->window; cw = find_window_in_display (compositor->display, xwindow); if (cw) { map_win (cw); } } static void process_property_notify (Mutter *compositor, XPropertyEvent *event) { MetaDisplay *display = compositor->display; /* Check for the opacity changing */ if (event->atom == compositor->atom_net_wm_window_opacity) { MutterWindow *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)) { MutterWindow *cw = find_window_in_display (display, event->window); if (!cw) return; mutter_window_query_window_type (cw); return; } } static void show_overlay_window (Display *xdisplay, Window xstage, Window xoverlay) { XserverRegion region; region = XFixesCreateRegion (xdisplay, NULL, 0); XFixesSetWindowShapeRegion (xdisplay, xoverlay, ShapeBounding, 0, 0, 0); XFixesSetWindowShapeRegion (xdisplay, xoverlay, ShapeInput, 0, 0, region); XFixesSetWindowShapeRegion (xdisplay, xstage, 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, FocusChangeMask | ExposureMask | PointerMotionMask | PropertyChangeMask | ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask); return output; } ClutterActor * mutter_get_stage_for_screen (MetaScreen *screen) { MetaCompScreen *info = meta_screen_get_compositor_data (screen); if (!info) return NULL; return info->stage; } ClutterActor * mutter_get_overlay_group_for_screen (MetaScreen *screen) { MetaCompScreen *info = meta_screen_get_compositor_data (screen); if (!info) return NULL; return info->overlay_group; } ClutterActor * mutter_get_window_group_for_screen (MetaScreen *screen) { MetaCompScreen *info = meta_screen_get_compositor_data (screen); if (!info) return NULL; return info->window_group; } GList * mutter_get_windows (MetaScreen *screen) { MetaCompScreen *info = meta_screen_get_compositor_data (screen); if (!info) return NULL; return info->windows; } 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); XSelectInput (xdisplay, xwin, FocusChangeMask | ExposureMask | PointerMotionMask | PropertyChangeMask | ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask); info->window_group = clutter_group_new (); info->overlay_group = clutter_group_new (); { ClutterActor *foo; foo = clutter_label_new_with_text ("Sans Bold 48px", "Yessir. The compositor is running."); clutter_actor_set_opacity (foo, 100); clutter_actor_set_position (foo, 20, height - 50); clutter_container_add_actor (CLUTTER_CONTAINER (info->overlay_group), foo); } clutter_container_add (CLUTTER_CONTAINER (info->stage), info->window_group, info->overlay_group, NULL); /* * Must do this *before* creating the plugin manager, in case any of the * plugins need to adjust the screen shape regions. */ show_overlay_window (xdisplay, xwin, info->output); info->plugin_mgr = mutter_plugin_manager_new (screen); clutter_actor_show_all (info->stage); clutter_actor_show_all (info->overlay_group); #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 Mutter *xrc = (Mutter *) 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 Mutter *xrc = (Mutter *) compositor; if (window) { MetaCompScreen *info; MetaScreen *screen; screen = meta_window_get_screen (window); info = meta_screen_get_compositor_data (screen); if (mutter_plugin_manager_xevent_filter (info->plugin_mgr, event) == TRUE) return; } else { GSList *l; Mutter *clc = (Mutter*)compositor; l = meta_display_get_screens (clc->display); while (l) { MetaScreen *screen = l->data; MetaCompScreen *info; info = meta_screen_get_compositor_data (screen); if (mutter_plugin_manager_xevent_filter (info->plugin_mgr, event) == TRUE) { return; } l = l->next; } } /* * 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 MutterWindow *cw = NULL; MetaScreen *screen = meta_window_get_screen (window); MetaFrame *f = meta_window_get_frame (window); Window xwindow; /* Chances are we actually get the window frame here */ xwindow = f ? meta_frame_get_xwindow (f) : meta_window_get_xwindow (window); cw = find_window_for_screen (screen, xwindow); if (!cw) return; destroy_win (cw, FALSE); #endif } static void clutter_cmp_minimize_window (MetaCompositor *compositor, MetaWindow *window) { #ifdef HAVE_COMPOSITE_EXTENSIONS MutterWindow *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 || !mutter_plugin_manager_event_simple (info->plugin_mgr, cw, MUTTER_PLUGIN_MINIMIZE)) { cw->priv->is_minimized = TRUE; cw->priv->minimize_in_progress--; } #endif } static void clutter_cmp_maximize_window (MetaCompositor *compositor, MetaWindow *window, gint x, gint y, gint width, gint height) { #ifdef HAVE_COMPOSITE_EXTENSIONS MutterWindow *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 || !mutter_plugin_manager_event_maximize (info->plugin_mgr, cw, MUTTER_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 MutterWindow *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 || !mutter_plugin_manager_event_maximize (info->plugin_mgr, cw, MUTTER_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; MutterPluginManager *mgr; info = meta_screen_get_compositor_data (screen); mgr = info->plugin_mgr; if (!mgr || !workspace) return; mutter_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; gint to_indx, from_indx; info = meta_screen_get_compositor_data (screen); to_indx = meta_workspace_index (to); from_indx = meta_workspace_index (from); if (!meta_prefs_get_live_hidden_windows ()) { /* * We are in the traditional mode where hidden windows get unmapped, * we need to pre-calculate the map status of each window so that once * the effect finishes we can put everything into proper order * (we need to ignore the map notifications during the effect so that * actors do not just disappear while the effect is running). */ GList *l = info->windows; while (l) { MutterWindow *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 || !mutter_plugin_manager_switch_workspace (info->plugin_mgr, (const GList **)&info->windows, from_indx, to_indx, direction)) { info->switch_workspace_in_progress--; /* We have to explicitely call this to fix up stacking order of the * actors; this is because the abs stacking position of actors does not * necessarily change during the window hiding/unhiding, only their * relative position toward the destkop window. */ mutter_finish_workspace_switch (info); } #endif } static void clutter_cmp_ensure_stack_order (MetaCompositor *compositor, MetaScreen *screen) { MetaCompScreen *info = meta_screen_get_compositor_data (screen); GList *l = g_list_last (info->windows); while (l) { ClutterActor *a = l->data; MutterWindow *mw = l->data; MetaWindow *window = mw->priv->window; /* * If this window is not marked as hidden, we raise it. * If it has no MetaWindow associated (i.e., override redirect), we * raise it too. Everything else we push to the bottom. */ if (!window || !meta_window_is_hidden (window)) { clutter_actor_raise_top (a); } else { clutter_actor_lower_bottom (a); } l = l->prev; } } 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, clutter_cmp_ensure_stack_order, }; MetaCompositor * mutter_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)]; Mutter *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 (Mutter, 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 mutter_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 = 0; } return data; }