/* Metacity X screen handler */ /* * Copyright (C) 2001, 2002 Havoc Pennington * Copyright (C) 2002 Red Hat Inc. * Some ICCCM manager selection code derived from fvwm2, * Copyright (C) 2001 Dominik Vogt and fvwm2 team * * 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. */ #include #include "screen.h" #include "util.h" #include "errors.h" #include "window.h" #include "frame.h" #include "prefs.h" #include "workspace.h" #include "keybindings.h" #include "stack.h" #include "xprops.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); static void update_focus_mode (MetaScreen *screen); static void prefs_changed_callback (MetaPreference pref, gpointer data); 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); /* Legacy GNOME hint (uses cardinal, dunno why) */ /* do this after setting up window fully, to avoid races * with clients listening to property notify on root. */ XChangeProperty (screen->display->xdisplay, screen->xroot, screen->display->atom_win_supporting_wm_check, XA_CARDINAL, 32, PropModeReplace, (guchar*) data, 1); return Success; } static int set_supported_hint (MetaScreen *screen) { #define N_SUPPORTED 33 #define N_WIN_SUPPORTED 1 Atom atoms[N_SUPPORTED]; atoms[0] = screen->display->atom_net_wm_name; atoms[1] = screen->display->atom_net_close_window; atoms[2] = screen->display->atom_net_wm_state; atoms[3] = screen->display->atom_net_wm_state_shaded; atoms[4] = screen->display->atom_net_wm_state_maximized_vert; atoms[5] = screen->display->atom_net_wm_state_maximized_horz; atoms[6] = screen->display->atom_net_wm_desktop; atoms[7] = screen->display->atom_net_number_of_desktops; atoms[8] = screen->display->atom_net_current_desktop; atoms[9] = screen->display->atom_net_wm_window_type; atoms[10] = screen->display->atom_net_wm_window_type_desktop; atoms[11] = screen->display->atom_net_wm_window_type_dock; atoms[12] = screen->display->atom_net_wm_window_type_toolbar; atoms[13] = screen->display->atom_net_wm_window_type_menu; atoms[14] = screen->display->atom_net_wm_window_type_dialog; atoms[15] = screen->display->atom_net_wm_window_type_normal; atoms[16] = screen->display->atom_net_wm_state_modal; atoms[17] = screen->display->atom_net_client_list; atoms[18] = screen->display->atom_net_client_list_stacking; atoms[19] = screen->display->atom_net_wm_state_skip_taskbar; atoms[20] = screen->display->atom_net_wm_state_skip_pager; atoms[21] = screen->display->atom_net_wm_icon; atoms[22] = screen->display->atom_net_wm_moveresize; atoms[23] = screen->display->atom_net_wm_state_hidden; atoms[24] = screen->display->atom_net_wm_window_type_utility; atoms[25] = screen->display->atom_net_wm_window_type_splashscreen; atoms[26] = screen->display->atom_net_wm_state_fullscreen; atoms[27] = screen->display->atom_net_wm_ping; atoms[28] = screen->display->atom_net_active_window; atoms[29] = screen->display->atom_net_wm_workarea; atoms[30] = screen->display->atom_net_show_desktop; atoms[31] = screen->display->atom_net_desktop_layout; atoms[32] = screen->display->atom_net_desktop_names; XChangeProperty (screen->display->xdisplay, screen->xroot, screen->display->atom_net_supported, XA_ATOM, 32, PropModeReplace, (guchar*) atoms, N_SUPPORTED); /* Set legacy GNOME hints */ atoms[0] = screen->display->atom_win_layer; XChangeProperty (screen->display->xdisplay, screen->xroot, screen->display->atom_win_protocols, XA_ATOM, 32, PropModeReplace, (guchar*) atoms, N_WIN_SUPPORTED); return Success; #undef N_SUPPORTED } static int set_wm_icon_size_hint (MetaScreen *screen) { #define N_VALS 6 gulong vals[N_VALS]; /* min width, min height, max w, max h, width inc, height inc */ vals[0] = META_ICON_WIDTH; vals[1] = META_ICON_HEIGHT; vals[2] = META_ICON_WIDTH; vals[3] = META_ICON_HEIGHT; vals[4] = 0; vals[5] = 0; 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 } MetaScreen* meta_screen_new (MetaDisplay *display, int number) { 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]; Time manager_timestamp; 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) { meta_warning (_("Screen %d on display '%s' is invalid\n"), 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) { meta_warning (_("Screen %d on display \"%s\" already has a window manager; try using the --replace option to override the current window manager.\n"), 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 (display) != Success) current_wm_sn_owner = None; /* don't wait for it to die later on */ } new_wm_sn_owner = meta_create_offscreen_window (xdisplay, xroot); { /* Generate a timestamp */ XSetWindowAttributes attrs; XEvent event; attrs.event_mask = PropertyChangeMask; XChangeWindowAttributes (xdisplay, new_wm_sn_owner, CWEventMask, &attrs); XChangeProperty (xdisplay, new_wm_sn_owner, XA_WM_CLASS, XA_STRING, 8, PropModeAppend, NULL, 0); XWindowEvent (xdisplay, new_wm_sn_owner, PropertyChangeMask, &event); attrs.event_mask = NoEventMask; XChangeWindowAttributes (display->xdisplay, new_wm_sn_owner, CWEventMask, &attrs); manager_timestamp = event.xproperty.time; } XSetSelectionOwner (xdisplay, wm_sn_atom, new_wm_sn_owner, manager_timestamp); if (XGetSelectionOwner (xdisplay, wm_sn_atom) != new_wm_sn_owner) { meta_warning (_("Could not acquire window manager selection on screen %d display \"%s\"\n"), 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 | ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask | FocusChangeMask | attr.your_event_mask); if (meta_error_trap_pop (display) != Success) { meta_warning (_("Screen %d on display \"%s\" already has a window manager\n"), number, display->name); XDestroyWindow (xdisplay, new_wm_sn_owner); return NULL; } screen = g_new (MetaScreen, 1); screen->display = display; screen->number = number; screen->screen_name = get_screen_name (display, number); screen->xscreen = ScreenOfDisplay (xdisplay, number); screen->xroot = xroot; screen->width = WidthOfScreen (screen->xscreen); screen->height = HeightOfScreen (screen->xscreen); screen->current_cursor = -1; /* invalid/unset */ screen->default_xvisual = DefaultVisualOfScreen (screen->xscreen); screen->default_depth = DefaultDepthOfScreen (screen->xscreen); 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->rows_of_workspaces = 1; screen->columns_of_workspaces = -1; screen->vertical_workspaces = FALSE; screen->xinerama_infos = NULL; screen->n_xinerama_infos = 0; screen->last_xinerama_index = 0; #ifdef HAVE_XINERAMA if (XineramaIsActive (display->xdisplay)) { XineramaScreenInfo *infos; int n_infos; int i; n_infos = 0; infos = XineramaQueryScreens (display->xdisplay, &n_infos); meta_topic (META_DEBUG_XINERAMA, "Found %d Xinerama screens on display %s\n", n_infos, display->name); if (n_infos > 0) { screen->xinerama_infos = g_new (MetaXineramaScreenInfo, n_infos); screen->n_xinerama_infos = n_infos; i = 0; while (i < n_infos) { screen->xinerama_infos[i].number = infos[i].screen_number; screen->xinerama_infos[i].x_origin = infos[i].x_org; screen->xinerama_infos[i].y_origin = infos[i].y_org; screen->xinerama_infos[i].width = infos[i].width; screen->xinerama_infos[i].height = infos[i].height; meta_topic (META_DEBUG_XINERAMA, "Xinerama %d is %d,%d %d x %d\n", screen->xinerama_infos[i].number, screen->xinerama_infos[i].x_origin, screen->xinerama_infos[i].y_origin, screen->xinerama_infos[i].width, screen->xinerama_infos[i].height); ++i; } } meta_XFree (infos); } else { meta_topic (META_DEBUG_XINERAMA, "No Xinerama extension or Xinerama inactive on display %s\n", display->name); } #else meta_topic (META_DEBUG_XINERAMA, "Metacity compiled without Xinerama support\n"); #endif /* If no Xinerama, fill in the single screen info so * we can use the field unconditionally */ if (screen->n_xinerama_infos == 0) { if (g_getenv ("METACITY_DEBUG_XINERAMA")) { meta_topic (META_DEBUG_XINERAMA, "Pretending a single monitor has two Xinerama screens\n"); screen->xinerama_infos = g_new (MetaXineramaScreenInfo, 2); screen->n_xinerama_infos = 2; screen->xinerama_infos[0].number = 0; screen->xinerama_infos[0].x_origin = 0; screen->xinerama_infos[0].y_origin = 0; screen->xinerama_infos[0].width = screen->width / 2; screen->xinerama_infos[0].height = screen->height; screen->xinerama_infos[1].number = 1; screen->xinerama_infos[1].x_origin = screen->width / 2; screen->xinerama_infos[1].y_origin = 0; screen->xinerama_infos[1].width = screen->width / 2 + screen->width % 2; screen->xinerama_infos[1].height = screen->height; } else { meta_topic (META_DEBUG_XINERAMA, "No Xinerama screens, using default screen info\n"); screen->xinerama_infos = g_new (MetaXineramaScreenInfo, 1); screen->n_xinerama_infos = 1; screen->xinerama_infos[0].number = 0; screen->xinerama_infos[0].x_origin = 0; screen->xinerama_infos[0].y_origin = 0; screen->xinerama_infos[0].width = screen->width; screen->xinerama_infos[0].height = screen->height; } } g_assert (screen->n_xinerama_infos > 0); g_assert (screen->xinerama_infos != NULL); meta_screen_set_cursor (screen, META_CURSOR_DEFAULT); if (display->leader_window == None) display->leader_window = meta_create_offscreen_window (display->xdisplay, screen->xroot); if (display->no_focus_window == None) { display->no_focus_window = meta_create_offscreen_window (display->xdisplay, screen->xroot); XSelectInput (display->xdisplay, display->no_focus_window, FocusChangeMask | KeyPressMask | KeyReleaseMask); XMapWindow (display->xdisplay, display->no_focus_window); } set_wm_icon_size_hint (screen); set_supported_hint (screen); set_wm_check_hint (screen); meta_screen_update_workspace_layout (screen); meta_screen_update_workspace_names (screen); /* Screens must have at least one workspace at all times, * so create that required workspace. */ screen->active_workspace = meta_workspace_new (screen); update_num_workspaces (screen); screen->keys_grabbed = FALSE; meta_screen_grab_keys (screen); screen->ui = meta_ui_new (screen->display->xdisplay, screen->xscreen); screen->tab_popup = NULL; screen->stack = meta_stack_new (screen); meta_prefs_add_listener (prefs_changed_callback, screen); 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) { MetaDisplay *display; display = screen->display; meta_display_grab (display); meta_display_unmanage_windows_for_screen (display, screen); meta_prefs_remove_listener (prefs_changed_callback, screen); meta_screen_ungrab_keys (screen); meta_ui_free (screen->ui); meta_stack_free (screen->stack); meta_error_trap_push (screen->display); XSelectInput (screen->display->xdisplay, screen->xroot, 0); if (meta_error_trap_pop (screen->display) != Success) meta_warning (_("Could not release screen %d on display \"%s\"\n"), screen->number, screen->display->name); XDestroyWindow (screen->display->xdisplay, screen->wm_sn_selection_window); if (screen->work_area_idle != 0) g_source_remove (screen->work_area_idle); g_free (screen->screen_name); g_free (screen); meta_display_ungrab (display); } void meta_screen_manage_all_windows (MetaScreen *screen) { Window ignored1, ignored2; Window *children; int n_children; int i; /* Must grab server to avoid obvious race condition */ meta_display_grab (screen->display); meta_error_trap_push (screen->display); XQueryTree (screen->display->xdisplay, screen->xroot, &ignored1, &ignored2, &children, &n_children); if (meta_error_trap_pop (screen->display)) { meta_display_ungrab (screen->display); return; } meta_stack_freeze (screen->stack); i = 0; while (i < n_children) { meta_window_new (screen->display, children[i], TRUE); ++i; } meta_stack_thaw (screen->stack); meta_display_ungrab (screen->display); if (children) XFree (children); } MetaScreen* meta_screen_for_x_screen (Screen *xscreen) { MetaDisplay *display; display = meta_display_for_x_display (DisplayOfScreen (xscreen)); if (display == NULL) return NULL; return meta_display_screen_for_x_screen (display, xscreen); } static void prefs_changed_callback (MetaPreference pref, gpointer data) { MetaScreen *screen = data; if (pref == META_PREF_NUM_WORKSPACES) { update_num_workspaces (screen); } else if (pref == META_PREF_FOCUS_MODE) { update_focus_mode (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) (* 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_move_resize (window); } void meta_screen_queue_window_resizes (MetaScreen *screen) { meta_screen_foreach_window (screen, queue_resize, NULL); } int meta_screen_get_n_workspaces (MetaScreen *screen) { GList *tmp; int i; i = 0; tmp = screen->display->workspaces; while (tmp != NULL) { MetaWorkspace *w = tmp->data; if (w->screen == screen) ++i; tmp = tmp->next; } return i; } static void update_num_workspaces (MetaScreen *screen) { 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->display->workspaces; while (tmp != NULL) { MetaWorkspace *w = tmp->data; if (w->screen == screen) { ++i; if (i > new_num) extras = g_list_prepend (extras, w); else last_remaining = w; } 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); /* 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); /* Add missing workspaces. FIXME This will keep setting the * number-of-workspaces root window property on each workspace * creation, kind of a lame thing */ while (i < new_num) { meta_workspace_new (screen); ++i; } } 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); XFreeCursor (screen->display->xdisplay, xcursor); } void meta_screen_ensure_tab_popup (MetaScreen *screen, MetaTabList type) { MetaTabEntry *entries; GSList *tab_list; GSList *tmp; int len; int i; if (screen->tab_popup) return; tab_list = meta_display_get_tab_list (screen->display, type, screen, screen->active_workspace); len = g_slist_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; window = tmp->data; entries[i].key = (MetaTabEntryKey) window->xwindow; entries[i].title = window->title; entries[i].icon = window->icon; meta_window_get_outer_rect (window, &r); entries[i].x = r.x; entries[i].y = r.y; entries[i].width = r.width; entries[i].height = r.height; /* 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. */ if (window->frame) { int south = window->frame->rect.height - window->frame->child_y - window->rect.height; int east = window->frame->child_x; entries[i].inner_x = east; entries[i].inner_y = south; entries[i].inner_width = window->rect.width; entries[i].inner_height = window->frame->rect.height - south * 2; } else { /* Use an arbitrary border size */ #define OUTLINE_WIDTH 5 entries[i].inner_x = OUTLINE_WIDTH; entries[i].inner_y = OUTLINE_WIDTH; entries[i].inner_width = window->rect.width - OUTLINE_WIDTH * 2; entries[i].inner_height = window->rect.height - OUTLINE_WIDTH * 2; } ++i; tmp = tmp->next; } screen->tab_popup = meta_ui_tab_popup_new (entries, screen->number, len, 5, /* FIXME */ TRUE); g_free (entries); g_slist_free (tab_list); /* don't show tab popup, since proper window isn't selected yet */ } /* Focus top window on active workspace */ void meta_screen_focus_top_window (MetaScreen *screen, MetaWindow *not_this_one) { MetaWindow *window; if (not_this_one) meta_topic (META_DEBUG_FOCUS, "Focusing top window excluding %s\n", not_this_one->desc); window = meta_stack_get_default_focus_window (screen->stack, screen->active_workspace, not_this_one); /* FIXME I'm a loser on the CurrentTime front */ if (window) { meta_topic (META_DEBUG_FOCUS, "Focusing top window %s\n", window->desc); meta_window_focus (window, meta_display_get_current_time (screen->display)); } else { meta_topic (META_DEBUG_FOCUS, "No top window to focus found\n"); } } const MetaXineramaScreenInfo* meta_screen_get_xinerama_for_window (MetaScreen *screen, MetaWindow *window) { int i; int best_xinerama, xinerama_score; MetaRectangle window_rect; if (screen->n_xinerama_infos == 1) return &screen->xinerama_infos[0]; meta_window_get_outer_rect (window, &window_rect); best_xinerama = 0; xinerama_score = 0; i = 0; while (i < screen->n_xinerama_infos) { MetaRectangle dest, screen_info; screen_info.x = screen->xinerama_infos[i].x_origin; screen_info.y = screen->xinerama_infos[i].y_origin; screen_info.width = screen->xinerama_infos[i].width; screen_info.height = screen->xinerama_infos[i].height; if (meta_rectangle_intersect (&screen_info, &window_rect, &dest)) { if (dest.width * dest.height > xinerama_score) { xinerama_score = dest.width * dest.height; best_xinerama = i; } } ++i; } return &screen->xinerama_infos[best_xinerama]; } const MetaXineramaScreenInfo* meta_screen_get_current_xinerama (MetaScreen *screen) { if (screen->n_xinerama_infos == 1) return &screen->xinerama_infos[0]; /* Sadly, we have to do it this way. Yuck. */ if (screen->display->xinerama_cache_invalidated) { Window root_return, child_return; int root_x_return, root_y_return; int win_x_return, win_y_return; unsigned int mask_return; int i; screen->display->xinerama_cache_invalidated = FALSE; XQueryPointer (screen->display->xdisplay, screen->xroot, &root_return, &child_return, &root_x_return, &root_y_return, &win_x_return, &win_y_return, &mask_return); screen->last_xinerama_index = 0; i = 0; while (i < screen->n_xinerama_infos) { if ((root_x_return >= screen->xinerama_infos[i].x_origin && root_x_return < (screen->xinerama_infos[i].x_origin + screen->xinerama_infos[i].width) && root_y_return >= screen->xinerama_infos[i].y_origin && root_y_return < (screen->xinerama_infos[i].y_origin + screen->xinerama_infos[i].height))) { screen->last_xinerama_index = i; break; } ++i; } meta_topic (META_DEBUG_XINERAMA, "Rechecked current Xinerama, now %d\n", screen->last_xinerama_index); } return &screen->xinerama_infos[screen->last_xinerama_index]; } #define _NET_WM_ORIENTATION_HORZ 0 #define _NET_WM_ORIENTATION_VERT 1 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) { 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: meta_warning ("Someone set a weird orientation in _NET_DESKTOP_LAYOUT\n"); break; } rows = list[1]; cols = list[2]; if (rows <= 0 && cols <= 0) { meta_warning ("Columns = %d rows = %d in _NET_DESKTOP_LAYOUT makes no sense\n", 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; } } else { meta_warning ("Someone set _NET_DESKTOP_LAYOUT to %d integers instead of 3\n", n_items); } meta_XFree (list); } meta_verbose ("Workspace layout rows = %d cols = %d orientation = %d\n", screen->rows_of_workspaces, screen->columns_of_workspaces, screen->vertical_workspaces); } void meta_screen_update_workspace_names (MetaScreen *screen) { char **names; int n_names; int i; GList *tmp; 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; tmp = screen->display->workspaces; while (tmp != NULL && i < n_names) { MetaWorkspace *w = tmp->data; if (w->screen == screen) { meta_workspace_set_name (w, names[i]); ++i; } tmp = tmp->next; } g_strfreev (names); } Window meta_create_offscreen_window (Display *xdisplay, Window parent) { 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; return XCreateWindow (xdisplay, parent, -100, -100, 1, 1, 0, CopyFromParent, CopyFromParent, CopyFromParent, CWOverrideRedirect, &attrs); }