/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ /* Metacity X screen handler */ /* * Copyright (C) 2001, 2002 Havoc Pennington * Copyright (C) 2002, 2003 Red Hat Inc. * Some ICCCM manager selection code derived from fvwm2, * Copyright (C) 2001 Dominik Vogt, Matthias Clasen, and fvwm2 team * Copyright (C) 2003 Rob Adams * Copyright (C) 2004-2006 Elijah Newren * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . */ #include "config.h" #include "screen-private.h" #include "util.h" #include "errors.h" #include "window-private.h" #include "frame-private.h" #include "prefs.h" #include "workspace.h" #include "keybindings.h" #include "stack.h" #include "xprops.h" #include "meta-compositor.h" #ifdef HAVE_XINERAMA #include #endif #include #include #include #include static char* get_screen_name (MetaDisplay *display, int number); static void update_num_workspaces (MetaScreen *screen, guint32 timestamp); static void update_focus_mode (MetaScreen *screen); static void set_workspace_names (MetaScreen *screen); static void prefs_changed_callback (MetaPreference pref, gpointer data); static void set_desktop_geometry_hint (MetaScreen *screen); static void set_desktop_viewport_hint (MetaScreen *screen); #ifdef HAVE_STARTUP_NOTIFICATION static void meta_screen_sn_event (SnMonitorEvent *event, void *user_data); #endif static int set_wm_check_hint (MetaScreen *screen) { unsigned long data[1]; g_return_val_if_fail (screen->display->leader_window != None, 0); data[0] = screen->display->leader_window; XChangeProperty (screen->display->xdisplay, screen->xroot, screen->display->atom__NET_SUPPORTING_WM_CHECK, XA_WINDOW, 32, PropModeReplace, (guchar*) data, 1); return Success; } static void unset_wm_check_hint (MetaScreen *screen) { XDeleteProperty (screen->display->xdisplay, screen->xroot, screen->display->atom__NET_SUPPORTING_WM_CHECK); } static int set_supported_hint (MetaScreen *screen) { Atom atoms[] = { #define EWMH_ATOMS_ONLY #define item(x) screen->display->atom_##x, #include "atomnames.h" #undef item #undef EWMH_ATOMS_ONLY screen->display->atom__GTK_FRAME_EXTENTS, screen->display->atom__GTK_SHOW_WINDOW_MENU, screen->display->atom__GTK_WORKAREAS }; XChangeProperty (screen->display->xdisplay, screen->xroot, screen->display->atom__NET_SUPPORTED, XA_ATOM, 32, PropModeReplace, (guchar*) atoms, G_N_ELEMENTS(atoms)); return Success; } static int set_wm_icon_size_hint (MetaScreen *screen) { #define N_VALS 6 gulong vals[N_VALS]; /* We've bumped the real icon size up to 96x96, but * we really should not add these sorts of constraints * on clients still using the legacy WM_HINTS interface. */ #define LEGACY_ICON_SIZE 32 /* min width, min height, max w, max h, width inc, height inc */ vals[0] = LEGACY_ICON_SIZE; vals[1] = LEGACY_ICON_SIZE; vals[2] = LEGACY_ICON_SIZE; vals[3] = LEGACY_ICON_SIZE; vals[4] = 0; vals[5] = 0; #undef LEGACY_ICON_SIZE XChangeProperty (screen->display->xdisplay, screen->xroot, screen->display->atom_WM_ICON_SIZE, XA_CARDINAL, 32, PropModeReplace, (guchar*) vals, N_VALS); return Success; #undef N_VALS } static void reload_monitor_infos (MetaScreen *screen) { { GList *tmp; tmp = screen->workspaces; while (tmp != NULL) { MetaWorkspace *space = tmp->data; meta_workspace_invalidate_work_area (space); tmp = tmp->next; } } if (screen->monitor_infos) g_free (screen->monitor_infos); screen->monitor_infos = NULL; screen->n_monitor_infos = 0; screen->last_monitor_index = 0; screen->display->monitor_cache_invalidated = TRUE; #ifdef HAVE_XINERAMA if (XineramaIsActive (screen->display->xdisplay)) { XineramaScreenInfo *infos; int n_infos; int i; n_infos = 0; infos = XineramaQueryScreens (screen->display->xdisplay, &n_infos); meta_topic (META_DEBUG_XINERAMA, "Found %d monitors on display %s\n", n_infos, screen->display->name); if (n_infos > 0) { screen->monitor_infos = g_new (MetaMonitorInfo, n_infos); screen->n_monitor_infos = n_infos; i = 0; while (i < n_infos) { screen->monitor_infos[i].number = infos[i].screen_number; screen->monitor_infos[i].rect.x = infos[i].x_org; screen->monitor_infos[i].rect.y = infos[i].y_org; screen->monitor_infos[i].rect.width = infos[i].width; screen->monitor_infos[i].rect.height = infos[i].height; meta_topic (META_DEBUG_XINERAMA, "Monitor %d is %d,%d %d x %d\n", screen->monitor_infos[i].number, screen->monitor_infos[i].rect.x, screen->monitor_infos[i].rect.y, screen->monitor_infos[i].rect.width, screen->monitor_infos[i].rect.height); ++i; } } meta_XFree (infos); } else { meta_topic (META_DEBUG_XINERAMA, "No Xinerama extension or Xinerama inactive on display %s\n", screen->display->name); } #else meta_topic (META_DEBUG_XINERAMA, "Metacity compiled without Xinerama support\n"); #endif /* HAVE_XINERAMA */ /* If no Xinerama, fill in the single screen info so * we can use the field unconditionally */ if (screen->n_monitor_infos == 0) { if (g_getenv ("METACITY_DEBUG_XINERAMA")) { meta_topic (META_DEBUG_XINERAMA, "Pretending a single screen has two monitors\n"); screen->monitor_infos = g_new (MetaMonitorInfo, 2); screen->n_monitor_infos = 2; screen->monitor_infos[0].number = 0; screen->monitor_infos[0].rect = screen->rect; screen->monitor_infos[0].rect.width = screen->rect.width / 2; screen->monitor_infos[1].number = 1; screen->monitor_infos[1].rect = screen->rect; screen->monitor_infos[1].rect.x = screen->rect.width / 2; screen->monitor_infos[1].rect.width = screen->rect.width / 2; } else { meta_topic (META_DEBUG_XINERAMA, "No monitors, using default screen info\n"); screen->monitor_infos = g_new (MetaMonitorInfo, 1); screen->n_monitor_infos = 1; screen->monitor_infos[0].number = 0; screen->monitor_infos[0].rect = screen->rect; } } g_assert (screen->n_monitor_infos > 0); g_assert (screen->monitor_infos != NULL); } MetaScreen* meta_screen_new (MetaDisplay *display, int number, guint32 timestamp) { MetaScreen *screen; Window xroot; Display *xdisplay; XWindowAttributes attr; Window new_wm_sn_owner; Window current_wm_sn_owner; gboolean replace_current_wm; Atom wm_sn_atom; char buf[128]; guint32 manager_timestamp; gulong current_workspace; replace_current_wm = meta_get_replace_current_wm (); /* Only display->name, display->xdisplay, and display->error_traps * can really be used in this function, since normally screens are * created from the MetaDisplay constructor */ xdisplay = display->xdisplay; meta_verbose ("Trying screen %d on display '%s'\n", number, display->name); xroot = RootWindow (xdisplay, number); /* FVWM checks for None here, I don't know if this * ever actually happens */ if (xroot == None) { g_warning ("Screen %d on display '%s' is invalid", number, display->name); return NULL; } sprintf (buf, "WM_S%d", number); wm_sn_atom = XInternAtom (xdisplay, buf, False); current_wm_sn_owner = XGetSelectionOwner (xdisplay, wm_sn_atom); if (current_wm_sn_owner != None) { XSetWindowAttributes attrs; if (!replace_current_wm) { g_warning ("Screen %d on display \"%s\" already has a window " "manager; try using the --replace option to replace the " "current window manager.", number, display->name); return NULL; } /* We want to find out when the current selection owner dies */ meta_error_trap_push (display); attrs.event_mask = StructureNotifyMask; XChangeWindowAttributes (xdisplay, current_wm_sn_owner, CWEventMask, &attrs); if (meta_error_trap_pop_with_return (display) != Success) current_wm_sn_owner = None; /* don't wait for it to die later on */ } /* We need SelectionClear and SelectionRequest events on the new_wm_sn_owner, * but those cannot be masked, so we only need NoEventMask. */ new_wm_sn_owner = meta_create_offscreen_window (xdisplay, xroot, NoEventMask); manager_timestamp = timestamp; XSetSelectionOwner (xdisplay, wm_sn_atom, new_wm_sn_owner, manager_timestamp); if (XGetSelectionOwner (xdisplay, wm_sn_atom) != new_wm_sn_owner) { g_warning ("Could not acquire window manager selection on " "screen %d display \"%s\"", number, display->name); XDestroyWindow (xdisplay, new_wm_sn_owner); return NULL; } { /* Send client message indicating that we are now the WM */ XClientMessageEvent ev; ev.type = ClientMessage; ev.window = xroot; ev.message_type = display->atom_MANAGER; ev.format = 32; ev.data.l[0] = manager_timestamp; ev.data.l[1] = wm_sn_atom; XSendEvent (xdisplay, xroot, False, StructureNotifyMask, (XEvent*)&ev); } /* Wait for old window manager to go away */ if (current_wm_sn_owner != None) { XEvent event; /* We sort of block infinitely here which is probably lame. */ meta_verbose ("Waiting for old window manager to exit\n"); do { XWindowEvent (xdisplay, current_wm_sn_owner, StructureNotifyMask, &event); } while (event.type != DestroyNotify); } /* select our root window events */ meta_error_trap_push (display); /* We need to or with the existing event mask since * gtk+ may be interested in other events. */ XGetWindowAttributes (xdisplay, xroot, &attr); XSelectInput (xdisplay, xroot, SubstructureRedirectMask | SubstructureNotifyMask | ColormapChangeMask | PropertyChangeMask | LeaveWindowMask | EnterWindowMask | KeyPressMask | KeyReleaseMask | FocusChangeMask | StructureNotifyMask | ExposureMask | attr.your_event_mask); if (meta_error_trap_pop_with_return (display) != Success) { g_warning ("Screen %d on display \"%s\" already has a window manager", number, display->name); XDestroyWindow (xdisplay, new_wm_sn_owner); return NULL; } screen = g_new (MetaScreen, 1); screen->closing = 0; screen->display = display; screen->number = number; screen->screen_name = get_screen_name (display, number); screen->xscreen = ScreenOfDisplay (xdisplay, number); screen->xroot = xroot; screen->rect.x = screen->rect.y = 0; screen->rect.width = WidthOfScreen (screen->xscreen); screen->rect.height = HeightOfScreen (screen->xscreen); screen->current_cursor = -1; /* invalid/unset */ screen->default_xvisual = DefaultVisualOfScreen (screen->xscreen); screen->default_depth = DefaultDepthOfScreen (screen->xscreen); screen->flash_window = None; screen->wm_sn_selection_window = new_wm_sn_owner; screen->wm_sn_atom = wm_sn_atom; screen->wm_sn_timestamp = manager_timestamp; screen->work_area_idle = 0; screen->active_workspace = NULL; screen->workspaces = NULL; screen->rows_of_workspaces = 1; screen->columns_of_workspaces = -1; screen->vertical_workspaces = FALSE; screen->starting_corner = META_SCREEN_TOPLEFT; screen->monitor_infos = NULL; screen->n_monitor_infos = 0; screen->last_monitor_index = 0; reload_monitor_infos (screen); meta_screen_set_cursor (screen, META_CURSOR_DEFAULT); /* Handle creating a no_focus_window for this screen */ screen->no_focus_window = meta_create_offscreen_window (display->xdisplay, screen->xroot, FocusChangeMask|KeyPressMask|KeyReleaseMask); XMapWindow (display->xdisplay, screen->no_focus_window); /* Done with no_focus_window stuff */ set_wm_icon_size_hint (screen); set_supported_hint (screen); set_wm_check_hint (screen); set_desktop_viewport_hint (screen); set_desktop_geometry_hint (screen); meta_screen_update_workspace_layout (screen); /* Get current workspace */ current_workspace = 0; if (meta_prop_get_cardinal (screen->display, screen->xroot, screen->display->atom__NET_CURRENT_DESKTOP, ¤t_workspace)) meta_verbose ("Read existing _NET_CURRENT_DESKTOP = %d\n", (int) current_workspace); else meta_verbose ("No _NET_CURRENT_DESKTOP present\n"); /* Screens must have at least one workspace at all times, * so create that required workspace. */ meta_workspace_activate (meta_workspace_new (screen), timestamp); update_num_workspaces (screen, timestamp); set_workspace_names (screen); screen->all_keys_grabbed = FALSE; screen->keys_grabbed = FALSE; meta_screen_grab_keys (screen); screen->ui = meta_ui_new (screen->display->xdisplay, FALSE); screen->tab_popup = NULL; screen->tile_preview = NULL; screen->tile_preview_timeout_id = 0; screen->stack = meta_stack_new (screen); screen->stack_tracker = meta_stack_tracker_new (screen); meta_prefs_add_listener (prefs_changed_callback, screen); #ifdef HAVE_STARTUP_NOTIFICATION screen->sn_context = sn_monitor_context_new (screen->display->sn_display, screen->number, meta_screen_sn_event, screen, NULL); screen->startup_sequences = NULL; screen->startup_sequence_timeout = 0; #endif /* Switch to the _NET_CURRENT_DESKTOP workspace */ { MetaWorkspace *space; space = meta_screen_get_workspace_by_index (screen, current_workspace); if (space != NULL) meta_workspace_activate (space, timestamp); } meta_verbose ("Added screen %d ('%s') root 0x%lx\n", screen->number, screen->screen_name, screen->xroot); return screen; } void meta_screen_free (MetaScreen *screen, guint32 timestamp) { screen->closing += 1; meta_prefs_remove_listener (prefs_changed_callback, screen); meta_screen_ungrab_keys (screen); #ifdef HAVE_STARTUP_NOTIFICATION g_slist_free_full (screen->startup_sequences, (GDestroyNotify) sn_startup_sequence_unref); screen->startup_sequences = NULL; if (screen->startup_sequence_timeout != 0) { g_source_remove (screen->startup_sequence_timeout); screen->startup_sequence_timeout = 0; } if (screen->sn_context) { sn_monitor_context_unref (screen->sn_context); screen->sn_context = NULL; } #endif meta_ui_free (screen->ui); meta_stack_free (screen->stack); meta_stack_tracker_free (screen->stack_tracker); meta_error_trap_push (screen->display); XSelectInput (screen->display->xdisplay, screen->xroot, 0); if (meta_error_trap_pop_with_return (screen->display) != Success) { g_warning ("Could not release screen %d on display \"%s\"", screen->number, screen->display->name); } unset_wm_check_hint (screen); XDestroyWindow (screen->display->xdisplay, screen->wm_sn_selection_window); if (screen->work_area_idle != 0) g_source_remove (screen->work_area_idle); if (screen->monitor_infos) g_free (screen->monitor_infos); if (screen->tile_preview_timeout_id) g_source_remove (screen->tile_preview_timeout_id); if (screen->tile_preview) meta_tile_preview_free (screen->tile_preview); g_free (screen->screen_name); g_free (screen); } void meta_screen_manage_all_windows (MetaScreen *screen) { Window *windows; int n_windows; Window *xwindows; int i; meta_stack_freeze (screen->stack); meta_stack_tracker_get_stack (screen->stack_tracker, &windows, &n_windows); /* Copy the stack as it will be modified as part of the loop */ xwindows = g_memdup2 (windows, sizeof (Window) * n_windows); for (i = 0; i < n_windows; i++) { meta_window_new (screen->display, xwindows[i], TRUE, META_EFFECT_TYPE_NONE); } g_free (xwindows); meta_stack_thaw (screen->stack); } void meta_screen_composite_all_windows (MetaScreen *screen) { MetaDisplay *display; GSList *windows, *list; display = screen->display; windows = meta_display_list_windows (display, META_LIST_INCLUDE_OVERRIDE_REDIRECT); for (list = windows; list != NULL; list = list->next) { MetaWindow *window; window = list->data; meta_compositor_add_window (display->compositor, window); } g_slist_free (windows); /* initialize the compositor's view of the stacking order */ meta_stack_tracker_sync_stack (screen->stack_tracker); } MetaScreen* meta_screen_for_x_screen (Screen *xscreen) { MetaDisplay *display; display = meta_display_for_x_display (DisplayOfScreen (xscreen)); if (display == NULL || display->screen->xscreen != xscreen) return NULL; return display->screen; } static void prefs_changed_callback (MetaPreference pref, gpointer data) { MetaScreen *screen = data; if (pref == META_PREF_NUM_WORKSPACES) { /* GSettings doesn't provide timestamps, but luckily update_num_workspaces * often doesn't need it... */ guint32 timestamp = meta_display_get_current_time_roundtrip (screen->display); update_num_workspaces (screen, timestamp); } else if (pref == META_PREF_FOCUS_MODE) { update_focus_mode (screen); } else if (pref == META_PREF_WORKSPACE_NAMES) { set_workspace_names (screen); } } static char* get_screen_name (MetaDisplay *display, int number) { char *p; char *dname; char *scr; /* DisplayString gives us a sort of canonical display, * vs. the user-entered name from XDisplayName() */ dname = g_strdup (DisplayString (display->xdisplay)); /* Change display name to specify this screen. */ p = strrchr (dname, ':'); if (p) { p = strchr (p, '.'); if (p) *p = '\0'; } scr = g_strdup_printf ("%s.%d", dname, number); g_free (dname); return scr; } static gint ptrcmp (gconstpointer a, gconstpointer b) { if (a < b) return -1; else if (a > b) return 1; else return 0; } static void listify_func (gpointer key, gpointer value, gpointer data) { GSList **listp; listp = data; *listp = g_slist_prepend (*listp, value); } void meta_screen_foreach_window (MetaScreen *screen, MetaScreenWindowFunc func, gpointer data) { GSList *winlist; GSList *tmp; /* If we end up doing this often, just keeping a list * of windows might be sensible. */ winlist = NULL; g_hash_table_foreach (screen->display->window_ids, listify_func, &winlist); winlist = g_slist_sort (winlist, ptrcmp); tmp = winlist; while (tmp != NULL) { /* If the next node doesn't contain this window * a second time, delete the window. */ if (tmp->next == NULL || (tmp->next && tmp->next->data != tmp->data)) { MetaWindow *window = tmp->data; if (window->screen == screen && !window->override_redirect) (* func) (screen, window, data); } tmp = tmp->next; } g_slist_free (winlist); } static void queue_draw (MetaScreen *screen, MetaWindow *window, gpointer data) { if (window->frame) meta_frame_queue_draw (window->frame); } void meta_screen_queue_frame_redraws (MetaScreen *screen) { meta_screen_foreach_window (screen, queue_draw, NULL); } static void queue_resize (MetaScreen *screen, MetaWindow *window, gpointer data) { meta_window_queue (window, META_QUEUE_MOVE_RESIZE); } void meta_screen_queue_window_resizes (MetaScreen *screen) { meta_screen_foreach_window (screen, queue_resize, NULL); } int meta_screen_get_n_workspaces (MetaScreen *screen) { return g_list_length (screen->workspaces); } MetaWorkspace* meta_screen_get_workspace_by_index (MetaScreen *screen, int idx) { GList *tmp; int i; /* should be robust, idx is maybe from an app */ if (idx < 0) return NULL; i = 0; tmp = screen->workspaces; while (tmp != NULL) { MetaWorkspace *w = tmp->data; if (i == idx) return w; ++i; tmp = tmp->next; } return NULL; } static void set_number_of_spaces_hint (MetaScreen *screen, int n_spaces) { unsigned long data[1]; if (screen->closing > 0) return; data[0] = n_spaces; meta_verbose ("Setting _NET_NUMBER_OF_DESKTOPS to %lu\n", data[0]); meta_error_trap_push (screen->display); XChangeProperty (screen->display->xdisplay, screen->xroot, screen->display->atom__NET_NUMBER_OF_DESKTOPS, XA_CARDINAL, 32, PropModeReplace, (guchar*) data, 1); meta_error_trap_pop (screen->display); } static void set_desktop_geometry_hint (MetaScreen *screen) { unsigned long data[2]; if (screen->closing > 0) return; data[0] = screen->rect.width; data[1] = screen->rect.height; meta_verbose ("Setting _NET_DESKTOP_GEOMETRY to %lu, %lu\n", data[0], data[1]); meta_error_trap_push (screen->display); XChangeProperty (screen->display->xdisplay, screen->xroot, screen->display->atom__NET_DESKTOP_GEOMETRY, XA_CARDINAL, 32, PropModeReplace, (guchar*) data, 2); meta_error_trap_pop (screen->display); } static void set_desktop_viewport_hint (MetaScreen *screen) { unsigned long data[2]; if (screen->closing > 0) return; /* * Metacity does not implement viewports, so this is a fixed 0,0 */ data[0] = 0; data[1] = 0; meta_verbose ("Setting _NET_DESKTOP_VIEWPORT to 0, 0\n"); meta_error_trap_push (screen->display); XChangeProperty (screen->display->xdisplay, screen->xroot, screen->display->atom__NET_DESKTOP_VIEWPORT, XA_CARDINAL, 32, PropModeReplace, (guchar*) data, 2); meta_error_trap_pop (screen->display); } static void update_num_workspaces (MetaScreen *screen, guint32 timestamp) { int new_num; GList *tmp; int i; GList *extras; MetaWorkspace *last_remaining; gboolean need_change_space; new_num = meta_prefs_get_num_workspaces (); g_assert (new_num > 0); last_remaining = NULL; extras = NULL; i = 0; tmp = screen->workspaces; while (tmp != NULL) { MetaWorkspace *w = tmp->data; if (i >= new_num) extras = g_list_prepend (extras, w); else last_remaining = w; ++i; tmp = tmp->next; } g_assert (last_remaining); /* Get rid of the extra workspaces by moving all their windows * to last_remaining, then activating last_remaining if * one of the removed workspaces was active. This will be a bit * wacky if the config tool for changing number of workspaces * is on a removed workspace ;-) */ need_change_space = FALSE; tmp = extras; while (tmp != NULL) { MetaWorkspace *w = tmp->data; meta_workspace_relocate_windows (w, last_remaining); if (w == screen->active_workspace) need_change_space = TRUE; tmp = tmp->next; } if (need_change_space) meta_workspace_activate (last_remaining, timestamp); /* Should now be safe to free the workspaces */ tmp = extras; while (tmp != NULL) { MetaWorkspace *w = tmp->data; g_assert (w->windows == NULL); meta_workspace_free (w); tmp = tmp->next; } g_list_free (extras); while (i < new_num) { meta_workspace_new (screen); ++i; } set_number_of_spaces_hint (screen, new_num); meta_screen_queue_workarea_recalc (screen); } static void update_focus_mode (MetaScreen *screen) { /* nothing to do anymore */ ; } void meta_screen_set_cursor (MetaScreen *screen, MetaCursor cursor) { Cursor xcursor; if (cursor == screen->current_cursor) return; screen->current_cursor = cursor; xcursor = meta_display_create_x_cursor (screen->display, cursor); XDefineCursor (screen->display->xdisplay, screen->xroot, xcursor); XFlush (screen->display->xdisplay); XFreeCursor (screen->display->xdisplay, xcursor); } void meta_screen_update_cursor (MetaScreen *screen) { Cursor xcursor; xcursor = meta_display_create_x_cursor (screen->display, screen->current_cursor); XDefineCursor (screen->display->xdisplay, screen->xroot, xcursor); XFlush (screen->display->xdisplay); XFreeCursor (screen->display->xdisplay, xcursor); } #define MAX_PREVIEW_SIZE 150.0 static GdkPixbuf * get_window_pixbuf (MetaWindow *window, int *width, int *height) { MetaDisplay *display; cairo_surface_t *surface; GdkPixbuf *pixbuf, *scaled; double ratio; display = window->display; surface = meta_compositor_get_window_surface (display->compositor, window); if (surface == NULL) return NULL; meta_error_trap_push (display); pixbuf = meta_ui_get_pixbuf_from_surface (surface); cairo_surface_destroy (surface); if (meta_error_trap_pop_with_return (display) != Success) g_clear_object (&pixbuf); if (pixbuf == NULL) return NULL; *width = gdk_pixbuf_get_width (pixbuf); *height = gdk_pixbuf_get_height (pixbuf); /* Scale pixbuf to max dimension MAX_PREVIEW_SIZE */ if (*width > *height) { ratio = ((double) *width) / MAX_PREVIEW_SIZE; *width = (int) MAX_PREVIEW_SIZE; *height = (int) (((double) *height) / ratio); } else { ratio = ((double) *height) / MAX_PREVIEW_SIZE; *height = (int) MAX_PREVIEW_SIZE; *width = (int) (((double) *width) / ratio); } scaled = gdk_pixbuf_scale_simple (pixbuf, *width, *height, GDK_INTERP_BILINEAR); g_object_unref (pixbuf); return scaled; } void meta_screen_ensure_tab_popup (MetaScreen *screen, MetaTabList list_type, MetaTabShowType show_type) { MetaTabEntry *entries; GList *tab_list; GList *tmp; int len; int i; if (screen->tab_popup) return; tab_list = meta_display_get_tab_list (screen->display, list_type, screen, screen->active_workspace); len = g_list_length (tab_list); entries = g_new (MetaTabEntry, len + 1); entries[len].key = NULL; entries[len].title = NULL; entries[len].icon = NULL; i = 0; tmp = tab_list; while (i < len) { MetaWindow *window; MetaRectangle r; GdkPixbuf *win_pixbuf; int width, height; window = tmp->data; entries[i].key = (MetaTabEntryKey) window->xwindow; entries[i].title = window->title; win_pixbuf = NULL; if (meta_prefs_get_alt_tab_thumbnails ()) win_pixbuf = get_window_pixbuf (window, &width, &height); if (win_pixbuf == NULL) entries[i].icon = g_object_ref (window->icon); else { GdkPixbuf *scaled; int icon_width, icon_height, t_width, t_height; #define ICON_SIZE 32 #define ICON_OFFSET 6 scaled = gdk_pixbuf_scale_simple (window->icon, ICON_SIZE, ICON_SIZE, GDK_INTERP_BILINEAR); icon_width = gdk_pixbuf_get_width (scaled); icon_height = gdk_pixbuf_get_height (scaled); t_width = width + ICON_OFFSET; t_height = height + ICON_OFFSET; entries[i].icon = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, t_width, t_height); gdk_pixbuf_fill (entries[i].icon, 0x00000000); gdk_pixbuf_copy_area (win_pixbuf, 0, 0, width, height, entries[i].icon, 0, 0); g_object_unref (win_pixbuf); gdk_pixbuf_composite (scaled, entries[i].icon, t_width - icon_width, t_height - icon_height, icon_width, icon_height, t_width - icon_width, t_height - icon_height, 1.0, 1.0, GDK_INTERP_BILINEAR, 255); g_object_unref (scaled); } entries[i].blank = FALSE; entries[i].hidden = !meta_window_showing_on_its_workspace (window); entries[i].demands_attention = window->wm_state_demands_attention; if (show_type == META_TAB_SHOW_INSTANTLY || !entries[i].hidden || !meta_window_get_icon_geometry (window, &r)) meta_window_get_outer_rect (window, &r); entries[i].rect = r; /* Find inside of highlight rectangle to be used when window is * outlined for tabbing. This should be the size of the * east/west frame, and the size of the south frame, on those * sides. On the top it should be the size of the south frame * edge. */ #define OUTLINE_WIDTH 5 /* Top side */ entries[i].inner_rect.y = OUTLINE_WIDTH; /* Bottom side */ entries[i].inner_rect.height = r.height - entries[i].inner_rect.y - OUTLINE_WIDTH; /* Left side */ entries[i].inner_rect.x = OUTLINE_WIDTH; /* Right side */ entries[i].inner_rect.width = r.width - entries[i].inner_rect.x - OUTLINE_WIDTH; ++i; tmp = tmp->next; } screen->tab_popup = meta_ui_tab_popup_new (entries, len, 5, /* FIXME */ TRUE); for (i = 0; i < len; i++) g_object_unref (entries[i].icon); g_free (entries); g_list_free (tab_list); /* don't show tab popup, since proper window isn't selected yet */ } void meta_screen_ensure_workspace_popup (MetaScreen *screen) { MetaTabEntry *entries; int len; int i; MetaWorkspaceLayout layout; int n_workspaces; int current_workspace; if (screen->tab_popup) return; current_workspace = meta_workspace_index (screen->active_workspace); n_workspaces = meta_screen_get_n_workspaces (screen); meta_screen_calc_workspace_layout (screen, n_workspaces, current_workspace, &layout); len = layout.grid_area; entries = g_new (MetaTabEntry, len + 1); entries[len].key = NULL; entries[len].title = NULL; entries[len].icon = NULL; i = 0; while (i < len) { if (layout.grid[i] >= 0) { MetaWorkspace *workspace; workspace = meta_screen_get_workspace_by_index (screen, layout.grid[i]); entries[i].key = (MetaTabEntryKey) workspace; entries[i].title = meta_workspace_get_name (workspace); entries[i].icon = NULL; entries[i].blank = FALSE; g_assert (entries[i].title != NULL); } else { entries[i].key = NULL; entries[i].title = NULL; entries[i].icon = NULL; entries[i].blank = TRUE; } entries[i].hidden = FALSE; entries[i].demands_attention = FALSE; ++i; } screen->tab_popup = meta_ui_tab_popup_new (entries, len, layout.cols, FALSE); g_free (entries); meta_screen_free_workspace_layout (&layout); /* don't show tab popup, since proper space isn't selected yet */ } static gboolean meta_screen_tile_preview_update_timeout (gpointer data) { MetaScreen *screen = data; MetaWindow *window = screen->display->grab_window; gboolean needs_preview = FALSE; screen->tile_preview_timeout_id = 0; if (!screen->tile_preview) screen->tile_preview = meta_tile_preview_new (); if (window) { switch (window->tile_mode) { case META_TILE_LEFT: case META_TILE_RIGHT: if (!META_WINDOW_TILED_SIDE_BY_SIDE (window)) needs_preview = TRUE; break; case META_TILE_MAXIMIZED: if (!META_WINDOW_MAXIMIZED (window)) needs_preview = TRUE; break; default: needs_preview = FALSE; break; } } if (needs_preview) { MetaRectangle tile_rect; meta_window_get_current_tile_area (window, &tile_rect); meta_tile_preview_show (screen->tile_preview, &tile_rect); } else meta_tile_preview_hide (screen->tile_preview); return FALSE; } #define TILE_PREVIEW_TIMEOUT_MS 200 void meta_screen_tile_preview_update (MetaScreen *screen, gboolean delay) { if (delay) { if (screen->tile_preview_timeout_id > 0) return; screen->tile_preview_timeout_id = g_timeout_add (TILE_PREVIEW_TIMEOUT_MS, meta_screen_tile_preview_update_timeout, screen); } else { if (screen->tile_preview_timeout_id > 0) g_source_remove (screen->tile_preview_timeout_id); meta_screen_tile_preview_update_timeout ((gpointer)screen); } } void meta_screen_tile_preview_hide (MetaScreen *screen) { if (screen->tile_preview_timeout_id > 0) g_source_remove (screen->tile_preview_timeout_id); screen->tile_preview_timeout_id = 0; if (screen->tile_preview) meta_tile_preview_hide (screen->tile_preview); } MetaWindow* meta_screen_get_mouse_window (MetaScreen *screen, MetaWindow *not_this_one) { MetaWindow *window; Window root_return, child_return; int root_x_return, root_y_return; int win_x_return, win_y_return; unsigned int mask_return; if (not_this_one) meta_topic (META_DEBUG_FOCUS, "Focusing mouse window excluding %s\n", not_this_one->desc); meta_error_trap_push (screen->display); XQueryPointer (screen->display->xdisplay, screen->xroot, &root_return, &child_return, &root_x_return, &root_y_return, &win_x_return, &win_y_return, &mask_return); meta_error_trap_pop (screen->display); window = meta_stack_get_default_focus_window_at_point (screen->stack, screen->active_workspace, not_this_one, root_x_return, root_y_return); return window; } const MetaMonitorInfo * meta_screen_get_monitor_for_rect (MetaScreen *screen, MetaRectangle *rect) { int i; int best_monitor, monitor_score; if (screen->n_monitor_infos == 1) return &screen->monitor_infos[0]; best_monitor = 0; monitor_score = 0; for (i = 0; i < screen->n_monitor_infos; i++) { MetaRectangle dest; if (meta_rectangle_intersect (&screen->monitor_infos[i].rect, rect, &dest)) { int cur = meta_rectangle_area (&dest); if (cur > monitor_score) { monitor_score = cur; best_monitor = i; } } } return &screen->monitor_infos[best_monitor]; } const MetaMonitorInfo * meta_screen_get_monitor_for_window (MetaScreen *screen, MetaWindow *window) { MetaRectangle window_rect; meta_window_get_outer_rect (window, &window_rect); return meta_screen_get_monitor_for_rect (screen, &window_rect); } const MetaMonitorInfo * meta_screen_get_monitor_neighbor (MetaScreen *screen, int which_monitor, MetaScreenDirection direction) { MetaMonitorInfo *input = screen->monitor_infos + which_monitor; MetaMonitorInfo *current; int i; for (i = 0; i < screen->n_monitor_infos; i++) { current = screen->monitor_infos + i; if ((direction == META_SCREEN_RIGHT && current->rect.x == input->rect.x + input->rect.width && meta_rectangle_vert_overlap(¤t->rect, &input->rect)) || (direction == META_SCREEN_LEFT && input->rect.x == current->rect.x + current->rect.width && meta_rectangle_vert_overlap(¤t->rect, &input->rect)) || (direction == META_SCREEN_UP && input->rect.y == current->rect.y + current->rect.height && meta_rectangle_horiz_overlap(¤t->rect, &input->rect)) || (direction == META_SCREEN_DOWN && current->rect.y == input->rect.y + input->rect.height && meta_rectangle_horiz_overlap(¤t->rect, &input->rect))) { return current; } } return NULL; } void meta_screen_get_natural_monitor_list (MetaScreen *screen, int** monitors_list, int* n_monitors) { const MetaMonitorInfo *current; const MetaMonitorInfo *tmp; GQueue* monitor_queue; int* visited; int cur = 0; int i; *n_monitors = screen->n_monitor_infos; *monitors_list = g_new (int, screen->n_monitor_infos); /* we calculate a natural ordering by which to choose monitors for * window placement. We start at the current monitor, and perform * a breadth-first search of the monitors starting from that monitor. * We choose preferentially left, then right, then down, then up. * The visitation order produced by this traversal is the natural * monitor ordering. */ visited = g_new (int, screen->n_monitor_infos); for (i = 0; i < screen->n_monitor_infos; i++) { visited[i] = FALSE; } current = meta_screen_get_current_monitor (screen); monitor_queue = g_queue_new (); g_queue_push_tail (monitor_queue, (gpointer) current); visited[current->number] = TRUE; while (!g_queue_is_empty (monitor_queue)) { current = (const MetaMonitorInfo *) g_queue_pop_head (monitor_queue); (*monitors_list)[cur++] = current->number; /* enqueue each of the directions */ tmp = meta_screen_get_monitor_neighbor (screen, current->number, META_SCREEN_LEFT); if (tmp && !visited[tmp->number]) { g_queue_push_tail (monitor_queue, (MetaMonitorInfo *) tmp); visited[tmp->number] = TRUE; } tmp = meta_screen_get_monitor_neighbor (screen, current->number, META_SCREEN_RIGHT); if (tmp && !visited[tmp->number]) { g_queue_push_tail (monitor_queue, (MetaMonitorInfo *) tmp); visited[tmp->number] = TRUE; } tmp = meta_screen_get_monitor_neighbor (screen, current->number, META_SCREEN_UP); if (tmp && !visited[tmp->number]) { g_queue_push_tail (monitor_queue, (MetaMonitorInfo *) tmp); visited[tmp->number] = TRUE; } tmp = meta_screen_get_monitor_neighbor (screen, current->number, META_SCREEN_DOWN); if (tmp && !visited[tmp->number]) { g_queue_push_tail (monitor_queue, (MetaMonitorInfo *) tmp); visited[tmp->number] = TRUE; } } /* in case we somehow missed some set of monitors, go through the * visited list and add in any monitors that were missed */ for (i = 0; i < screen->n_monitor_infos; i++) { if (visited[i] == FALSE) { (*monitors_list)[cur++] = i; } } g_free (visited); g_queue_free (monitor_queue); } const MetaMonitorInfo * meta_screen_get_current_monitor (MetaScreen *screen) { if (screen->n_monitor_infos == 1) return &screen->monitor_infos[0]; /* Sadly, we have to do it this way. Yuck. */ if (screen->display->monitor_cache_invalidated) { Window root_return, child_return; int win_x_return, win_y_return; unsigned int mask_return; int i; MetaRectangle pointer_position; screen->display->monitor_cache_invalidated = FALSE; pointer_position.width = pointer_position.height = 1; XQueryPointer (screen->display->xdisplay, screen->xroot, &root_return, &child_return, &pointer_position.x, &pointer_position.y, &win_x_return, &win_y_return, &mask_return); screen->last_monitor_index = 0; for (i = 0; i < screen->n_monitor_infos; i++) { if (meta_rectangle_contains_rect (&screen->monitor_infos[i].rect, &pointer_position)) { screen->last_monitor_index = i; break; } } meta_topic (META_DEBUG_XINERAMA, "Rechecked current monitor, now %d\n", screen->last_monitor_index); } return &screen->monitor_infos[screen->last_monitor_index]; } #define _NET_WM_ORIENTATION_HORZ 0 #define _NET_WM_ORIENTATION_VERT 1 #define _NET_WM_TOPLEFT 0 #define _NET_WM_TOPRIGHT 1 #define _NET_WM_BOTTOMRIGHT 2 #define _NET_WM_BOTTOMLEFT 3 void meta_screen_update_workspace_layout (MetaScreen *screen) { gulong *list; int n_items; list = NULL; n_items = 0; if (meta_prop_get_cardinal_list (screen->display, screen->xroot, screen->display->atom__NET_DESKTOP_LAYOUT, &list, &n_items)) { if (n_items == 3 || n_items == 4) { int cols, rows; switch (list[0]) { case _NET_WM_ORIENTATION_HORZ: screen->vertical_workspaces = FALSE; break; case _NET_WM_ORIENTATION_VERT: screen->vertical_workspaces = TRUE; break; default: g_warning ("Someone set a weird orientation in _NET_DESKTOP_LAYOUT"); break; } cols = list[1]; rows = list[2]; if (rows <= 0 && cols <= 0) { g_warning ("Columns = %d rows = %d in _NET_DESKTOP_LAYOUT makes no sense", rows, cols); } else { if (rows > 0) screen->rows_of_workspaces = rows; else screen->rows_of_workspaces = -1; if (cols > 0) screen->columns_of_workspaces = cols; else screen->columns_of_workspaces = -1; } if (n_items == 4) { switch (list[3]) { case _NET_WM_TOPLEFT: screen->starting_corner = META_SCREEN_TOPLEFT; break; case _NET_WM_TOPRIGHT: screen->starting_corner = META_SCREEN_TOPRIGHT; break; case _NET_WM_BOTTOMRIGHT: screen->starting_corner = META_SCREEN_BOTTOMRIGHT; break; case _NET_WM_BOTTOMLEFT: screen->starting_corner = META_SCREEN_BOTTOMLEFT; break; default: g_warning ("Someone set a weird starting corner in _NET_DESKTOP_LAYOUT"); break; } } else screen->starting_corner = META_SCREEN_TOPLEFT; } else { g_warning ("Someone set _NET_DESKTOP_LAYOUT to %d integers instead of 4 " "(3 is accepted for backwards compat)", n_items); } meta_XFree (list); } meta_verbose ("Workspace layout rows = %d cols = %d orientation = %d starting corner = %u\n", screen->rows_of_workspaces, screen->columns_of_workspaces, screen->vertical_workspaces, screen->starting_corner); } static void set_workspace_names (MetaScreen *screen) { /* This updates names on root window when the pref changes, * note we only get prefs change notify if things have * really changed. */ GString *flattened; int i; int n_spaces; /* flatten to nul-separated list */ n_spaces = meta_screen_get_n_workspaces (screen); flattened = g_string_new (""); i = 0; while (i < n_spaces) { const char *name; name = meta_prefs_get_workspace_name (i); if (name) g_string_append_len (flattened, name, strlen (name) + 1); else g_string_append_len (flattened, "", 1); ++i; } meta_error_trap_push (screen->display); XChangeProperty (screen->display->xdisplay, screen->xroot, screen->display->atom__NET_DESKTOP_NAMES, screen->display->atom_UTF8_STRING, 8, PropModeReplace, (unsigned char *)flattened->str, flattened->len); meta_error_trap_pop (screen->display); g_string_free (flattened, TRUE); } void meta_screen_update_workspace_names (MetaScreen *screen) { char **names; int n_names; int i; /* this updates names in prefs when the root window property changes, * iff the new property contents don't match what's already in prefs */ names = NULL; n_names = 0; if (!meta_prop_get_utf8_list (screen->display, screen->xroot, screen->display->atom__NET_DESKTOP_NAMES, &names, &n_names)) { meta_verbose ("Failed to get workspace names from root window %d\n", screen->number); return; } i = 0; while (i < n_names) { meta_topic (META_DEBUG_PREFS, "Setting workspace %d name to \"%s\" due to _NET_DESKTOP_NAMES change\n", i, names[i] ? names[i] : "null"); meta_prefs_change_workspace_name (i, names[i]); ++i; } g_strfreev (names); } Window meta_create_offscreen_window (Display *xdisplay, Window parent, long valuemask) { XSetWindowAttributes attrs; /* we want to be override redirect because sometimes we * create a window on a screen we aren't managing. * (but on a display we are managing at least one screen for) */ attrs.override_redirect = True; attrs.event_mask = valuemask; return XCreateWindow (xdisplay, parent, -100, -100, 1, 1, 0, CopyFromParent, CopyFromParent, (Visual *)CopyFromParent, CWOverrideRedirect | CWEventMask, &attrs); } static void set_workspace_work_area_hint (MetaWorkspace *workspace, MetaScreen *screen) { unsigned long *data; unsigned long *tmp; int i; gchar *workarea_name; Atom workarea_atom; data = g_new (unsigned long, screen->n_monitor_infos * 4); tmp = data; for (i = 0; i < screen->n_monitor_infos; i++) { MetaRectangle area; meta_workspace_get_work_area_for_monitor (workspace, i, &area); tmp[0] = area.x; tmp[1] = area.y; tmp[2] = area.width; tmp[3] = area.height; tmp += 4; } workarea_name = g_strdup_printf ("_GTK_WORKAREAS_D%d", meta_workspace_index (workspace)); workarea_atom = XInternAtom (screen->display->xdisplay, workarea_name, False); g_free (workarea_name); meta_error_trap_push (screen->display); XChangeProperty (screen->display->xdisplay, screen->xroot, workarea_atom, XA_CARDINAL, 32, PropModeReplace, (guchar*) data, screen->n_monitor_infos * 4); meta_error_trap_pop (screen->display); g_free (data); } static void set_work_area_hint (MetaScreen *screen) { int num_workspaces; GList *tmp_list; unsigned long *data, *tmp; MetaRectangle area; num_workspaces = meta_screen_get_n_workspaces (screen); data = g_new (unsigned long, num_workspaces * 4); tmp_list = screen->workspaces; tmp = data; while (tmp_list != NULL) { MetaWorkspace *workspace = tmp_list->data; if (workspace->screen == screen) { meta_workspace_get_work_area_all_monitors (workspace, &area); set_workspace_work_area_hint (workspace, screen); tmp[0] = area.x; tmp[1] = area.y; tmp[2] = area.width; tmp[3] = area.height; tmp += 4; } tmp_list = tmp_list->next; } meta_error_trap_push (screen->display); XChangeProperty (screen->display->xdisplay, screen->xroot, screen->display->atom__NET_WORKAREA, XA_CARDINAL, 32, PropModeReplace, (guchar*) data, num_workspaces*4); g_free (data); meta_error_trap_pop (screen->display); } static gboolean set_work_area_idle_func (MetaScreen *screen) { meta_topic (META_DEBUG_WORKAREA, "Running work area idle function\n"); screen->work_area_idle = 0; set_work_area_hint (screen); return FALSE; } void meta_screen_queue_workarea_recalc (MetaScreen *screen) { /* Recompute work area in an idle */ if (screen->work_area_idle == 0) { meta_topic (META_DEBUG_WORKAREA, "Adding work area hint idle function\n"); screen->work_area_idle = g_idle_add_full (META_PRIORITY_BEFORE_REDRAW, (GSourceFunc) set_work_area_idle_func, screen, NULL); } } static const gchar * meta_screen_corner_to_string (MetaScreenCorner corner) { switch (corner) { case META_SCREEN_TOPLEFT: return "TopLeft"; case META_SCREEN_TOPRIGHT: return "TopRight"; case META_SCREEN_BOTTOMLEFT: return "BottomLeft"; case META_SCREEN_BOTTOMRIGHT: return "BottomRight"; default: break; } return "Unknown"; } void meta_screen_calc_workspace_layout (MetaScreen *screen, int num_workspaces, int current_space, MetaWorkspaceLayout *layout) { int rows, cols; int grid_area; int *grid; int i, r, c; int current_row, current_col; rows = screen->rows_of_workspaces; cols = screen->columns_of_workspaces; if (rows <= 0 && cols <= 0) cols = num_workspaces; if (rows <= 0) rows = num_workspaces / cols + ((num_workspaces % cols) > 0 ? 1 : 0); if (cols <= 0) cols = num_workspaces / rows + ((num_workspaces % rows) > 0 ? 1 : 0); /* paranoia */ if (rows < 1) rows = 1; if (cols < 1) cols = 1; g_assert (rows != 0 && cols != 0); grid_area = rows * cols; meta_verbose ("Getting layout rows = %d cols = %d current = %d " "num_spaces = %d vertical = %s corner = %s\n", rows, cols, current_space, num_workspaces, screen->vertical_workspaces ? "(true)" : "(false)", meta_screen_corner_to_string (screen->starting_corner)); /* ok, we want to setup the distances in the workspace array to go * in each direction. Remember, there are many ways that a workspace * array can be setup. * see http://www.freedesktop.org/standards/wm-spec/1.2/html/x109.html * and look at the _NET_DESKTOP_LAYOUT section for details. * For instance: */ /* starting_corner = META_SCREEN_TOPLEFT * vertical_workspaces = 0 vertical_workspaces=1 * 1234 1357 * 5678 2468 * * starting_corner = META_SCREEN_TOPRIGHT * vertical_workspaces = 0 vertical_workspaces=1 * 4321 7531 * 8765 8642 * * starting_corner = META_SCREEN_BOTTOMLEFT * vertical_workspaces = 0 vertical_workspaces=1 * 5678 2468 * 1234 1357 * * starting_corner = META_SCREEN_BOTTOMRIGHT * vertical_workspaces = 0 vertical_workspaces=1 * 8765 8642 * 4321 7531 * */ /* keep in mind that we could have a ragged layout, e.g. the "8" * in the above grids could be missing */ grid = g_new (int, grid_area); current_row = -1; current_col = -1; i = 0; switch (screen->starting_corner) { case META_SCREEN_TOPLEFT: if (screen->vertical_workspaces) { c = 0; while (c < cols) { r = 0; while (r < rows) { grid[r*cols+c] = i; ++i; ++r; } ++c; } } else { r = 0; while (r < rows) { c = 0; while (c < cols) { grid[r*cols+c] = i; ++i; ++c; } ++r; } } break; case META_SCREEN_TOPRIGHT: if (screen->vertical_workspaces) { c = cols - 1; while (c >= 0) { r = 0; while (r < rows) { grid[r*cols+c] = i; ++i; ++r; } --c; } } else { r = 0; while (r < rows) { c = cols - 1; while (c >= 0) { grid[r*cols+c] = i; ++i; --c; } ++r; } } break; case META_SCREEN_BOTTOMLEFT: if (screen->vertical_workspaces) { c = 0; while (c < cols) { r = rows - 1; while (r >= 0) { grid[r*cols+c] = i; ++i; --r; } ++c; } } else { r = rows - 1; while (r >= 0) { c = 0; while (c < cols) { grid[r*cols+c] = i; ++i; ++c; } --r; } } break; case META_SCREEN_BOTTOMRIGHT: if (screen->vertical_workspaces) { c = cols - 1; while (c >= 0) { r = rows - 1; while (r >= 0) { grid[r*cols+c] = i; ++i; --r; } --c; } } else { r = rows - 1; while (r >= 0) { c = cols - 1; while (c >= 0) { grid[r*cols+c] = i; ++i; --c; } --r; } } break; default: break; } if (i != grid_area) g_error ("did not fill in the whole workspace grid in %s (%d filled)", G_STRFUNC, i); current_row = 0; current_col = 0; r = 0; while (r < rows) { c = 0; while (c < cols) { if (grid[r*cols+c] == current_space) { current_row = r; current_col = c; } else if (grid[r*cols+c] >= num_workspaces) { /* flag nonexistent spaces with -1 */ grid[r*cols+c] = -1; } ++c; } ++r; } layout->rows = rows; layout->cols = cols; layout->grid = grid; layout->grid_area = grid_area; layout->current_row = current_row; layout->current_col = current_col; if (meta_check_debug_flags (META_DEBUG_VERBOSE)) { r = 0; while (r < layout->rows) { meta_verbose (" "); meta_push_no_msg_prefix (); c = 0; while (c < layout->cols) { if (r == layout->current_row && c == layout->current_col) meta_verbose ("*%2d ", layout->grid[r*layout->cols+c]); else meta_verbose ("%3d ", layout->grid[r*layout->cols+c]); ++c; } meta_verbose ("\n"); meta_pop_no_msg_prefix (); ++r; } } } void meta_screen_free_workspace_layout (MetaWorkspaceLayout *layout) { g_free (layout->grid); } static void meta_screen_resize_func (MetaScreen *screen, MetaWindow *window, void *user_data) { if (window->struts) { meta_window_update_struts (window); } meta_window_queue (window, META_QUEUE_MOVE_RESIZE); meta_window_recalc_features (window); } void meta_screen_resize (MetaScreen *screen, int width, int height) { screen->rect.width = width; screen->rect.height = height; reload_monitor_infos (screen); set_desktop_geometry_hint (screen); meta_compositor_sync_screen_size (screen->display->compositor); /* Queue a resize on all the windows */ meta_screen_foreach_window (screen, meta_screen_resize_func, 0); } void meta_screen_update_showing_desktop_hint (MetaScreen *screen) { unsigned long data[1]; data[0] = screen->active_workspace->showing_desktop ? 1 : 0; meta_error_trap_push (screen->display); XChangeProperty (screen->display->xdisplay, screen->xroot, screen->display->atom__NET_SHOWING_DESKTOP, XA_CARDINAL, 32, PropModeReplace, (guchar*) data, 1); meta_error_trap_pop (screen->display); } static void queue_windows_showing (MetaScreen *screen) { GSList *windows; GSList *tmp; /* Must operate on all windows on display instead of just on the * active_workspace's window list, because the active_workspace's * window list may not contain the on_all_workspace windows. */ windows = meta_display_list_windows (screen->display, META_LIST_DEFAULT); tmp = windows; while (tmp != NULL) { MetaWindow *w = tmp->data; if (w->screen == screen) meta_window_queue (w, META_QUEUE_CALC_SHOWING); tmp = tmp->next; } g_slist_free (windows); } void meta_screen_minimize_all_on_active_workspace_except (MetaScreen *screen, MetaWindow *keep) { GList *windows; GList *tmp; windows = screen->active_workspace->windows; tmp = windows; while (tmp != NULL) { MetaWindow *w = tmp->data; if (w->screen == screen && w->has_minimize_func && w != keep) meta_window_minimize (w); tmp = tmp->next; } } void meta_screen_show_desktop (MetaScreen *screen, guint32 timestamp) { GList *windows; if (screen->active_workspace->showing_desktop) return; screen->active_workspace->showing_desktop = TRUE; queue_windows_showing (screen); /* Focus the most recently used META_WINDOW_DESKTOP window, if there is one; * see bug 159257. */ windows = screen->active_workspace->mru_list; while (windows != NULL) { MetaWindow *w = windows->data; if (w->screen == screen && w->type == META_WINDOW_DESKTOP) { meta_window_focus (w, timestamp); break; } windows = windows->next; } meta_screen_update_showing_desktop_hint (screen); } void meta_screen_unshow_desktop (MetaScreen *screen) { if (!screen->active_workspace->showing_desktop) return; screen->active_workspace->showing_desktop = FALSE; queue_windows_showing (screen); meta_screen_update_showing_desktop_hint (screen); } #ifdef HAVE_STARTUP_NOTIFICATION static gboolean startup_sequence_timeout (void *data); static void update_startup_feedback (MetaScreen *screen) { if (screen->startup_sequences != NULL) { meta_topic (META_DEBUG_STARTUP, "Setting busy cursor\n"); meta_screen_set_cursor (screen, META_CURSOR_BUSY); } else { meta_topic (META_DEBUG_STARTUP, "Setting default cursor\n"); meta_screen_set_cursor (screen, META_CURSOR_DEFAULT); } } static void add_sequence (MetaScreen *screen, SnStartupSequence *sequence) { meta_topic (META_DEBUG_STARTUP, "Adding sequence %s\n", sn_startup_sequence_get_id (sequence)); sn_startup_sequence_ref (sequence); screen->startup_sequences = g_slist_prepend (screen->startup_sequences, sequence); /* our timeout just polls every second, instead of bothering * to compute exactly when we may next time out */ if (screen->startup_sequence_timeout == 0) screen->startup_sequence_timeout = g_timeout_add (1000, startup_sequence_timeout, screen); update_startup_feedback (screen); } static void remove_sequence (MetaScreen *screen, SnStartupSequence *sequence) { meta_topic (META_DEBUG_STARTUP, "Removing sequence %s\n", sn_startup_sequence_get_id (sequence)); screen->startup_sequences = g_slist_remove (screen->startup_sequences, sequence); sn_startup_sequence_unref (sequence); if (screen->startup_sequences == NULL && screen->startup_sequence_timeout != 0) { g_source_remove (screen->startup_sequence_timeout); screen->startup_sequence_timeout = 0; } update_startup_feedback (screen); } typedef struct { GSList *list; gint64 now; } CollectTimedOutData; /* This should be fairly long, as it should never be required unless * apps or .desktop files are buggy, and it's confusing if * OpenOffice or whatever seems to stop launching - people * might decide they need to launch it again. */ #define STARTUP_TIMEOUT 15000 static void collect_timed_out_foreach (void *element, void *data) { CollectTimedOutData *ctod = data; SnStartupSequence *sequence = element; long tv_sec, tv_usec; double elapsed; sn_startup_sequence_get_last_active_time (sequence, &tv_sec, &tv_usec); elapsed = (ctod->now - (tv_sec * G_USEC_PER_SEC + tv_usec)) / 1000.0; meta_topic (META_DEBUG_STARTUP, "Sequence used %g seconds vs. %g max: %s\n", elapsed, (double) STARTUP_TIMEOUT, sn_startup_sequence_get_id (sequence)); if (elapsed > STARTUP_TIMEOUT) ctod->list = g_slist_prepend (ctod->list, sequence); } static gboolean startup_sequence_timeout (void *data) { MetaScreen *screen = data; CollectTimedOutData ctod; GSList *tmp; ctod.list = NULL; ctod.now = g_get_real_time (); g_slist_foreach (screen->startup_sequences, collect_timed_out_foreach, &ctod); tmp = ctod.list; while (tmp != NULL) { SnStartupSequence *sequence = tmp->data; meta_topic (META_DEBUG_STARTUP, "Timed out sequence %s\n", sn_startup_sequence_get_id (sequence)); sn_startup_sequence_complete (sequence); tmp = tmp->next; } g_slist_free (ctod.list); if (screen->startup_sequences != NULL) { return TRUE; } else { /* remove */ screen->startup_sequence_timeout = 0; return FALSE; } } static void meta_screen_sn_event (SnMonitorEvent *event, void *user_data) { MetaScreen *screen; SnStartupSequence *sequence; screen = user_data; sequence = sn_monitor_event_get_startup_sequence (event); switch (sn_monitor_event_get_type (event)) { case SN_MONITOR_EVENT_INITIATED: { const char *wmclass; wmclass = sn_startup_sequence_get_wmclass (sequence); meta_topic (META_DEBUG_STARTUP, "Received startup initiated for %s wmclass %s\n", sn_startup_sequence_get_id (sequence), wmclass ? wmclass : "(unset)"); add_sequence (screen, sequence); } break; case SN_MONITOR_EVENT_COMPLETED: { meta_topic (META_DEBUG_STARTUP, "Received startup completed for %s\n", sn_startup_sequence_get_id (sequence)); remove_sequence (screen, sn_monitor_event_get_startup_sequence (event)); } break; case SN_MONITOR_EVENT_CHANGED: meta_topic (META_DEBUG_STARTUP, "Received startup changed for %s\n", sn_startup_sequence_get_id (sequence)); break; case SN_MONITOR_EVENT_CANCELED: meta_topic (META_DEBUG_STARTUP, "Received startup canceled for %s\n", sn_startup_sequence_get_id (sequence)); break; default: break; } } #endif /* Sets the initial_timestamp and initial_workspace properties * of a window according to information given us by the * startup-notification library. * * Returns TRUE if startup properties have been applied, and * FALSE if they have not (for example, if they had already * been applied.) */ gboolean meta_screen_apply_startup_properties (MetaScreen *screen, MetaWindow *window) { #ifdef HAVE_STARTUP_NOTIFICATION const char *startup_id; GSList *tmp; SnStartupSequence *sequence; /* Does the window have a startup ID stored? */ startup_id = meta_window_get_startup_id (window); meta_topic (META_DEBUG_STARTUP, "Applying startup props to %s id \"%s\"\n", window->desc, startup_id ? startup_id : "(none)"); sequence = NULL; if (startup_id == NULL) { /* No startup ID stored for the window. Let's ask the * startup-notification library whether there's anything * stored for the resource name or resource class hints. */ tmp = screen->startup_sequences; while (tmp != NULL) { const char *wmclass; wmclass = sn_startup_sequence_get_wmclass (tmp->data); if (wmclass != NULL && ((window->res_class && strcmp (wmclass, window->res_class) == 0) || (window->res_name && strcmp (wmclass, window->res_name) == 0))) { sequence = tmp->data; g_assert (window->startup_id == NULL); window->startup_id = g_strdup (sn_startup_sequence_get_id (sequence)); startup_id = window->startup_id; meta_topic (META_DEBUG_STARTUP, "Ending legacy sequence %s due to window %s\n", sn_startup_sequence_get_id (sequence), window->desc); sn_startup_sequence_complete (sequence); break; } tmp = tmp->next; } } /* Still no startup ID? Bail. */ if (startup_id == NULL) return FALSE; /* We might get this far and not know the sequence ID (if the window * already had a startup ID stored), so let's look for one if we don't * already know it. */ if (sequence == NULL) { tmp = screen->startup_sequences; while (tmp != NULL) { const char *id; id = sn_startup_sequence_get_id (tmp->data); if (strcmp (id, startup_id) == 0) { sequence = tmp->data; break; } tmp = tmp->next; } } if (sequence != NULL) { gboolean changed_something = FALSE; meta_topic (META_DEBUG_STARTUP, "Found startup sequence for window %s ID \"%s\"\n", window->desc, startup_id); if (!window->initial_workspace_set) { int space = sn_startup_sequence_get_workspace (sequence); if (space >= 0) { meta_topic (META_DEBUG_STARTUP, "Setting initial window workspace to %d based on startup info\n", space); window->initial_workspace_set = TRUE; window->initial_workspace = space; changed_something = TRUE; } } if (!window->initial_timestamp_set) { guint32 timestamp = sn_startup_sequence_get_timestamp (sequence); meta_topic (META_DEBUG_STARTUP, "Setting initial window timestamp to %u based on startup info\n", timestamp); window->initial_timestamp_set = TRUE; window->initial_timestamp = timestamp; changed_something = TRUE; } return changed_something; } else { meta_topic (META_DEBUG_STARTUP, "Did not find startup sequence for window %s ID \"%s\"\n", window->desc, startup_id); } #endif /* HAVE_STARTUP_NOTIFICATION */ return FALSE; } int meta_screen_get_screen_number (MetaScreen *screen) { return screen->number; } MetaDisplay * meta_screen_get_display (MetaScreen *screen) { return screen->display; } Window meta_screen_get_xroot (MetaScreen *screen) { return screen->xroot; } void meta_screen_get_size (MetaScreen *screen, int *width, int *height) { *width = screen->rect.width; *height = screen->rect.height; }