456 lines
15 KiB
C
456 lines
15 KiB
C
/* Metacity X display handler */
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/*
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* Copyright (C) 2001 Havoc Pennington
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* Copyright (C) 2002 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef META_DISPLAY_H
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#define META_DISPLAY_H
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#ifndef PACKAGE
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#error "config.h not included"
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#endif
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#include <glib.h>
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#include <X11/Xlib.h>
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#include "eventqueue.h"
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#include "common.h"
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#ifdef HAVE_STARTUP_NOTIFICATION
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#include <libsn/sn.h>
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#endif
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#ifdef HAVE_XSYNC
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#include <X11/extensions/sync.h>
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#endif
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#define meta_XFree(p) do { if ((p)) XFree ((p)); } while (0)
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/* this doesn't really belong here, oh well. */
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typedef struct _MetaRectangle MetaRectangle;
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struct _MetaRectangle
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{
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int x;
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int y;
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int width;
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int height;
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};
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typedef struct MetaCompositor MetaCompositor;
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typedef struct _MetaDisplay MetaDisplay;
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typedef struct _MetaFrame MetaFrame;
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typedef struct _MetaKeyBinding MetaKeyBinding;
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typedef struct _MetaScreen MetaScreen;
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typedef struct _MetaStack MetaStack;
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typedef struct _MetaUISlave MetaUISlave;
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typedef struct _MetaWindow MetaWindow;
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typedef struct _MetaWorkspace MetaWorkspace;
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typedef struct _MetaWindowPropHooks MetaWindowPropHooks;
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typedef struct _MetaGroupPropHooks MetaGroupPropHooks;
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typedef void (* MetaWindowPingFunc) (MetaDisplay *display,
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Window xwindow,
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gpointer user_data);
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#define _NET_WM_STATE_REMOVE 0 /* remove/unset property */
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#define _NET_WM_STATE_ADD 1 /* add/set property */
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#define _NET_WM_STATE_TOGGLE 2 /* toggle property */
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/* This is basically a bogus number, just has to be large enough
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* to handle the expected case of the alt+tab operation, where
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* we want to ignore serials from UnmapNotify on the tab popup,
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* and the LeaveNotify/EnterNotify from the pointer ungrab
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*/
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#define N_IGNORED_SERIALS 4
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struct _MetaDisplay
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{
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char *name;
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Display *xdisplay;
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Window leader_window;
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Atom atom_net_wm_name;
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Atom atom_wm_protocols;
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Atom atom_wm_take_focus;
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Atom atom_wm_delete_window;
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Atom atom_wm_state;
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Atom atom_net_close_window;
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Atom atom_net_wm_state;
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Atom atom_motif_wm_hints;
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Atom atom_net_wm_state_shaded;
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Atom atom_net_wm_state_maximized_horz;
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Atom atom_net_wm_state_maximized_vert;
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Atom atom_net_wm_desktop;
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Atom atom_net_number_of_desktops;
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Atom atom_wm_change_state;
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Atom atom_sm_client_id;
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Atom atom_wm_client_leader;
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Atom atom_wm_window_role;
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Atom atom_net_current_desktop;
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Atom atom_net_supporting_wm_check;
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Atom atom_net_supported;
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Atom atom_net_wm_window_type;
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Atom atom_net_wm_window_type_desktop;
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Atom atom_net_wm_window_type_dock;
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Atom atom_net_wm_window_type_toolbar;
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Atom atom_net_wm_window_type_menu;
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Atom atom_net_wm_window_type_dialog;
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Atom atom_net_wm_window_type_normal;
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Atom atom_net_wm_state_modal;
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Atom atom_net_client_list;
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Atom atom_net_client_list_stacking;
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Atom atom_net_wm_state_skip_taskbar;
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Atom atom_net_wm_state_skip_pager;
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Atom atom_net_wm_icon_name;
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Atom atom_net_wm_icon;
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Atom atom_net_wm_icon_geometry;
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Atom atom_utf8_string;
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Atom atom_wm_icon_size;
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Atom atom_kwm_win_icon;
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Atom atom_net_wm_moveresize;
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Atom atom_net_active_window;
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Atom atom_metacity_restart_message;
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Atom atom_net_wm_strut;
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Atom atom_metacity_reload_theme_message;
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Atom atom_metacity_set_keybindings_message;
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Atom atom_net_wm_state_hidden;
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Atom atom_net_wm_window_type_utility;
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Atom atom_net_wm_window_type_splash;
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Atom atom_net_wm_ping;
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Atom atom_net_wm_pid;
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Atom atom_wm_client_machine;
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Atom atom_net_wm_state_fullscreen;
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Atom atom_net_workarea;
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Atom atom_net_showing_desktop;
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Atom atom_net_desktop_layout;
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Atom atom_manager;
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Atom atom_targets;
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Atom atom_multiple;
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Atom atom_timestamp;
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Atom atom_version;
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Atom atom_atom_pair;
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Atom atom_net_desktop_names;
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Atom atom_net_wm_allowed_actions;
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Atom atom_net_wm_action_move;
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Atom atom_net_wm_action_resize;
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Atom atom_net_wm_action_fullscreen;
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Atom atom_net_wm_action_minimize;
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Atom atom_net_wm_action_shade;
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Atom atom_net_wm_action_stick;
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Atom atom_net_wm_action_maximize_horz;
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Atom atom_net_wm_action_maximize_vert;
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Atom atom_net_wm_action_change_desktop;
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Atom atom_net_wm_action_close;
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Atom atom_net_wm_state_above;
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Atom atom_net_wm_state_below;
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Atom atom_net_startup_id;
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Atom atom_metacity_toggle_verbose;
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Atom atom_metacity_update_counter;
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Atom atom_sync_counter;
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Atom atom_gnome_panel_action;
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Atom atom_gnome_panel_action_main_menu;
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Atom atom_gnome_panel_action_run_dialog;
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Atom atom_metacity_sentinel;
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Atom atom_net_wm_strut_partial;
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/* This is the actual window from focus events,
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* not the one we last set
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*/
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MetaWindow *focus_window;
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/* window we are expecting a FocusIn event for
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*/
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MetaWindow *expected_focus_window;
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guint static_gravity_works : 1;
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/*< private-ish >*/
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guint error_trap_synced_at_last_pop : 1;
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MetaEventQueue *events;
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GSList *screens;
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GHashTable *window_ids;
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int error_traps;
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int (* error_trap_handler) (Display *display,
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XErrorEvent *error);
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int server_grab_count;
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/* This window holds the focus when we don't want to focus
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* any actual clients
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*/
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Window no_focus_window;
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/* for double click */
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Time last_button_time;
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Window last_button_xwindow;
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int last_button_num;
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guint is_double_click : 1;
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/* serials of leave/unmap events that may
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* correspond to an enter event we should
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* ignore
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*/
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unsigned long ignored_serials[N_IGNORED_SERIALS];
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Window ungrab_should_not_cause_focus_window;
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guint32 current_time;
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/* Pings which we're waiting for a reply from */
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GSList *pending_pings;
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/* Pending autoraise */
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guint autoraise_timeout_id;
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/* Alt+click button grabs */
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unsigned int window_grab_modifiers;
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/* current window operation */
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MetaGrabOp grab_op;
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MetaScreen *grab_screen;
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MetaWindow *grab_window;
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Window grab_xwindow;
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gulong grab_start_serial;
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int grab_button;
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int grab_anchor_root_x;
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int grab_anchor_root_y;
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MetaRectangle grab_anchor_window_pos;
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int grab_latest_motion_x;
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int grab_latest_motion_y;
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gulong grab_mask;
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guint grab_have_pointer : 1;
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guint grab_have_keyboard : 1;
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guint grab_wireframe_active : 1;
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guint grab_was_cancelled : 1;
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MetaRectangle grab_wireframe_rect;
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MetaRectangle grab_initial_window_pos;
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MetaResizePopup *grab_resize_popup;
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GTimeVal grab_last_moveresize_time;
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Time grab_motion_notify_time;
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/* we use property updates as sentinels for certain window focus events
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* to avoid some race conditions on EnterNotify events
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*/
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int sentinel_counter;
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#ifdef HAVE_XKB
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int xkb_base_event_type;
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#endif
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#ifdef HAVE_XSYNC
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/* alarm monitoring client's _METACITY_UPDATE_COUNTER */
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XSyncAlarm grab_update_alarm;
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#endif
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/* Keybindings stuff */
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MetaKeyBinding *screen_bindings;
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int n_screen_bindings;
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MetaKeyBinding *window_bindings;
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int n_window_bindings;
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unsigned int min_keycode;
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unsigned int max_keycode;
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KeySym *keymap;
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int keysyms_per_keycode;
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XModifierKeymap *modmap;
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unsigned int ignored_modifier_mask;
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unsigned int num_lock_mask;
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unsigned int scroll_lock_mask;
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unsigned int hyper_mask;
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unsigned int super_mask;
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unsigned int meta_mask;
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/* Xinerama cache */
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unsigned int xinerama_cache_invalidated : 1;
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/* Closing down the display */
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int closing;
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/* Managed by group.c */
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GHashTable *groups_by_leader;
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/* currently-active window menu if any */
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MetaWindowMenu *window_menu;
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MetaWindow *window_with_menu;
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/* Managed by window-props.c */
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MetaWindowPropHooks *prop_hooks;
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/* Managed by group-props.c */
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MetaGroupPropHooks *group_prop_hooks;
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/* Managed by compositor.c */
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MetaCompositor *compositor;
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#ifdef HAVE_STARTUP_NOTIFICATION
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SnDisplay *sn_display;
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#endif
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#ifdef HAVE_XSYNC
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int xsync_event_base;
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int xsync_error_base;
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#define META_DISPLAY_HAS_XSYNC(display) ((display)->xsync_event_base != 0)
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#else
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#define META_DISPLAY_HAS_XSYNC(display) FALSE
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#endif
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#ifdef HAVE_SHAPE
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int shape_event_base;
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int shape_error_base;
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#define META_DISPLAY_HAS_SHAPE(display) ((display)->shape_event_base != 0)
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#else
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#define META_DISPLAY_HAS_SHAPE(display) FALSE
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#endif
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};
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gboolean meta_display_open (const char *name);
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void meta_display_close (MetaDisplay *display);
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MetaScreen* meta_display_screen_for_root (MetaDisplay *display,
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Window xroot);
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MetaScreen* meta_display_screen_for_x_screen (MetaDisplay *display,
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Screen *screen);
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MetaScreen* meta_display_screen_for_xwindow (MetaDisplay *display,
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Window xindow);
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void meta_display_grab (MetaDisplay *display);
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void meta_display_ungrab (MetaDisplay *display);
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gboolean meta_display_is_double_click (MetaDisplay *display);
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void meta_display_unmanage_screen (MetaDisplay *display,
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MetaScreen *screen);
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void meta_display_unmanage_windows_for_screen (MetaDisplay *display,
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MetaScreen *screen);
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/* A given MetaWindow may have various X windows that "belong"
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* to it, such as the frame window.
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*/
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MetaWindow* meta_display_lookup_x_window (MetaDisplay *display,
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Window xwindow);
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void meta_display_register_x_window (MetaDisplay *display,
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Window *xwindowp,
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MetaWindow *window);
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void meta_display_unregister_x_window (MetaDisplay *display,
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Window xwindow);
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GSList* meta_display_list_windows (MetaDisplay *display);
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MetaDisplay* meta_display_for_x_display (Display *xdisplay);
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GSList* meta_displays_list (void);
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Cursor meta_display_create_x_cursor (MetaDisplay *display,
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MetaCursor cursor);
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void meta_display_set_grab_op_cursor (MetaDisplay *display,
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MetaScreen *screen,
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MetaGrabOp op,
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gboolean change_pointer,
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Window grab_xwindow,
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Time timestamp);
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gboolean meta_display_begin_grab_op (MetaDisplay *display,
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MetaScreen *screen,
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MetaWindow *window,
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MetaGrabOp op,
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gboolean pointer_already_grabbed,
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int event_serial,
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int button,
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gulong modmask,
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Time timestamp,
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int root_x,
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int root_y);
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void meta_display_end_grab_op (MetaDisplay *display,
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Time timestamp);
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void meta_display_grab_window_buttons (MetaDisplay *display,
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Window xwindow);
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void meta_display_ungrab_window_buttons (MetaDisplay *display,
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Window xwindow);
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void meta_display_grab_focus_window_button (MetaDisplay *display,
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MetaWindow *window);
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void meta_display_ungrab_focus_window_button (MetaDisplay *display,
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MetaWindow *window);
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/* make a request to ensure the event serial has changed */
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void meta_display_increment_event_serial (MetaDisplay *display);
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void meta_display_update_active_window_hint (MetaDisplay *display);
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guint32 meta_display_get_current_time (MetaDisplay *display);
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/* utility goo */
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const char* meta_event_mode_to_string (int m);
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const char* meta_event_detail_to_string (int d);
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void meta_display_queue_retheme_all_windows (MetaDisplay *display);
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void meta_display_retheme_all (void);
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void meta_display_ping_window (MetaDisplay *display,
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MetaWindow *window,
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Time timestamp,
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MetaWindowPingFunc ping_reply_func,
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MetaWindowPingFunc ping_timeout_func,
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void *user_data);
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gboolean meta_display_window_has_pending_pings (MetaDisplay *display,
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MetaWindow *window);
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typedef enum
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{
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META_TAB_LIST_NORMAL,
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META_TAB_LIST_DOCKS
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} MetaTabList;
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GList* meta_display_get_tab_list (MetaDisplay *display,
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MetaTabList type,
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MetaScreen *screen,
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MetaWorkspace *workspace);
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MetaWindow* meta_display_get_tab_next (MetaDisplay *display,
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MetaTabList type,
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MetaScreen *screen,
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MetaWorkspace *workspace,
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MetaWindow *window,
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gboolean backward);
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MetaWindow* meta_display_get_tab_current (MetaDisplay *display,
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MetaTabList type,
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MetaScreen *screen,
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MetaWorkspace *workspace);
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int meta_resize_gravity_from_grab_op (MetaGrabOp op);
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gboolean meta_grab_op_is_moving (MetaGrabOp op);
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gboolean meta_grab_op_is_resizing (MetaGrabOp op);
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gboolean meta_rectangle_intersect (MetaRectangle *src1,
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MetaRectangle *src2,
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MetaRectangle *dest);
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gboolean meta_rectangle_equal (const MetaRectangle *src1,
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const MetaRectangle *src2);
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void meta_display_devirtualize_modifiers (MetaDisplay *display,
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MetaVirtualModifier modifiers,
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unsigned int *mask);
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void meta_display_increment_focus_sentinel (MetaDisplay *display);
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void meta_display_decrement_focus_sentinel (MetaDisplay *display);
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gboolean meta_display_focus_sentinel_clear (MetaDisplay *display);
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#endif
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