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91b7dedf36
This is an extremely niche feature, and conflicts with the rest of our interface being consistent about not allowing resizing while tiled or maximized.
498 lines
18 KiB
C
498 lines
18 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/* Mutter 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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* Copyright (C) 2003 Rob Adams
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* Copyright (C) 2004-2006 Elijah Newren
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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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef META_DISPLAY_PRIVATE_H
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#define META_DISPLAY_PRIVATE_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 <meta/common.h>
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#include <meta/boxes.h>
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#include <meta/display.h>
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#include "keybindings-private.h"
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#include "meta-gesture-tracker-private.h"
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#include <meta/prefs.h>
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#include <meta/barrier.h>
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#include <clutter/clutter.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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#include <X11/extensions/sync.h>
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typedef struct _MetaStack MetaStack;
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typedef struct _MetaUISlave MetaUISlave;
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typedef struct _MetaGroupPropHooks MetaGroupPropHooks;
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typedef struct _MetaWindowPropHooks MetaWindowPropHooks;
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typedef struct MetaEdgeResistanceData MetaEdgeResistanceData;
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typedef enum {
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META_LIST_DEFAULT = 0, /* normal windows */
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META_LIST_INCLUDE_OVERRIDE_REDIRECT = 1 << 0, /* normal and O-R */
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META_LIST_SORTED = 1 << 1, /* sort list by mru */
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} MetaListWindowsFlags;
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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. It
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* also has to be big enough to hold ignored serials from the point
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* where we reshape the stage to the point where we get events back.
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*/
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#define N_IGNORED_CROSSING_SERIALS 10
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typedef enum {
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META_TILE_NONE,
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META_TILE_LEFT,
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META_TILE_RIGHT,
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META_TILE_MAXIMIZED
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} MetaTileMode;
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typedef enum {
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/* Normal interaction where you're interacting with windows.
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* Events go to windows normally. */
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META_EVENT_ROUTE_NORMAL,
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/* In a window operation like moving or resizing. All events
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* goes to MetaWindow, but not to the actual client window. */
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META_EVENT_ROUTE_WINDOW_OP,
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/* In a compositor grab operation. All events go to the
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* compositor plugin. */
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META_EVENT_ROUTE_COMPOSITOR_GRAB,
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/* A Wayland application has a popup open. All events go to
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* the Wayland application. */
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META_EVENT_ROUTE_WAYLAND_POPUP,
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/* The user is clicking on a window button. */
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META_EVENT_ROUTE_FRAME_BUTTON,
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} MetaEventRoute;
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typedef gboolean (*MetaAlarmFilter) (MetaDisplay *display,
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XSyncAlarmNotifyEvent *event,
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gpointer data);
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struct _MetaDisplay
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{
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GObject parent_instance;
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char *name;
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Display *xdisplay;
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int clutter_event_filter;
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Window leader_window;
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Window timestamp_pinging_window;
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/* Pull in all the names of atoms as fields; we will intern them when the
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* class is constructed.
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*/
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#define item(x) Atom atom_##x;
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#include <x11/atomnames.h>
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#undef item
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/* The window and serial of the most recent FocusIn event. */
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Window server_focus_window;
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gulong server_focus_serial;
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/* Our best guess as to the "currently" focused window (that is, the
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* window that we expect will be focused at the point when the X
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* server processes our next request), and the serial of the request
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* or event that caused this.
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*/
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MetaWindow *focus_window;
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/* For windows we've focused that don't necessarily have an X window,
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* like the no_focus_window or the stage X window. */
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Window focus_xwindow;
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gulong focus_serial;
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/* last timestamp passed to XSetInputFocus */
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guint32 last_focus_time;
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/* last user interaction time in any app */
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guint32 last_user_time;
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/* whether we're using mousenav (only relevant for sloppy&mouse focus modes;
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* !mouse_mode means "keynav mode")
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*/
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guint mouse_mode : 1;
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/* Helper var used when focus_new_windows setting is 'strict'; only
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* relevant in 'strict' mode and if the focus window is a terminal.
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* In that case, we don't allow new windows to take focus away from
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* a terminal, but if the user explicitly did something that should
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* allow a different window to gain focus (e.g. global keybinding or
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* clicking on a dock), then we will allow the transfer.
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*/
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guint allow_terminal_deactivation : 1;
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/* If true, server->focus_serial refers to us changing the focus; in
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* this case, we can ignore focus events that have exactly focus_serial,
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* since we take care to make another request immediately afterwards.
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* But if focus is being changed by another client, we have to accept
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* multiple events with the same serial.
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*/
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guint focused_by_us : 1;
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/*< private-ish >*/
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MetaScreen *screen;
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GHashTable *xids;
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GHashTable *stamps;
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GHashTable *wayland_windows;
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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_crossing_serials[N_IGNORED_CROSSING_SERIALS];
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guint32 current_time;
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/* We maintain a sequence counter, incremented for each #MetaWindow
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* created. This is exposed by meta_window_get_stable_sequence()
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* but is otherwise not used inside mutter.
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*
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* It can be useful to plugins which want to sort windows in a
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* stable fashion.
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*/
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guint32 window_sequence_counter;
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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 focus change */
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guint focus_timeout_id;
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/* Pending autoraise */
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guint autoraise_timeout_id;
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MetaWindow* autoraise_window;
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/* Event routing */
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MetaEventRoute event_route;
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/* current window operation */
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MetaGrabOp grab_op;
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MetaWindow *grab_window;
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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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MetaTileMode grab_tile_mode;
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int grab_tile_monitor_number;
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int grab_latest_motion_x;
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int grab_latest_motion_y;
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guint grab_have_pointer : 1;
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guint grab_have_keyboard : 1;
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guint grab_frame_action : 1;
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MetaRectangle grab_initial_window_pos;
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int grab_initial_x, grab_initial_y; /* These are only relevant for */
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gboolean grab_threshold_movement_reached; /* raise_on_click == FALSE. */
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GTimeVal grab_last_moveresize_time;
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MetaEdgeResistanceData *grab_edge_resistance_data;
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unsigned int grab_last_user_action_was_snap;
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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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int xkb_base_event_type;
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guint32 last_bell_time;
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int grab_resize_timeout_id;
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MetaKeyBindingManager key_binding_manager;
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/* Monitor cache */
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unsigned int monitor_cache_invalidated : 1;
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/* Opening the display */
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unsigned int display_opening : 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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/* Managed by window-props.c */
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MetaWindowPropHooks *prop_hooks_table;
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GHashTable *prop_hooks;
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int n_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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MetaGestureTracker *gesture_tracker;
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ClutterEventSequence *pointer_emulating_sequence;
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MetaAlarmFilter alarm_filter;
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gpointer alarm_filter_data;
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int composite_event_base;
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int composite_error_base;
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int composite_major_version;
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int composite_minor_version;
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int damage_event_base;
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int damage_error_base;
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int xfixes_event_base;
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int xfixes_error_base;
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int xinput_error_base;
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int xinput_event_base;
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int xinput_opcode;
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#ifdef HAVE_STARTUP_NOTIFICATION
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SnDisplay *sn_display;
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#endif
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int xsync_event_base;
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int xsync_error_base;
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int shape_event_base;
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int shape_error_base;
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unsigned int have_xsync : 1;
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#define META_DISPLAY_HAS_XSYNC(display) ((display)->have_xsync)
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unsigned int have_shape : 1;
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#define META_DISPLAY_HAS_SHAPE(display) ((display)->have_shape)
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unsigned int have_composite : 1;
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unsigned int have_damage : 1;
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#define META_DISPLAY_HAS_COMPOSITE(display) ((display)->have_composite)
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#define META_DISPLAY_HAS_DAMAGE(display) ((display)->have_damage)
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#ifdef HAVE_XI23
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gboolean have_xinput_23 : 1;
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#define META_DISPLAY_HAS_XINPUT_23(display) ((display)->have_xinput_23)
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#else
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#define META_DISPLAY_HAS_XINPUT_23(display) FALSE
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#endif /* HAVE_XI23 */
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};
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struct _MetaDisplayClass
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{
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GObjectClass parent_class;
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};
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#define XSERVER_TIME_IS_BEFORE_ASSUMING_REAL_TIMESTAMPS(time1, time2) \
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( (( (time1) < (time2) ) && ( (time2) - (time1) < ((guint32)-1)/2 )) || \
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(( (time1) > (time2) ) && ( (time1) - (time2) > ((guint32)-1)/2 )) \
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)
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/**
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* XSERVER_TIME_IS_BEFORE:
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*
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* See the docs for meta_display_xserver_time_is_before().
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*/
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#define XSERVER_TIME_IS_BEFORE(time1, time2) \
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( (time1) == 0 || \
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(XSERVER_TIME_IS_BEFORE_ASSUMING_REAL_TIMESTAMPS(time1, time2) && \
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(time2) != 0) \
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)
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gboolean meta_display_open (void);
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void meta_display_close (MetaDisplay *display,
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guint32 timestamp);
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void meta_display_unmanage_windows_for_screen (MetaDisplay *display,
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MetaScreen *screen,
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guint32 timestamp);
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/* Utility function to compare the stacking of two windows */
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int meta_display_stack_cmp (const void *a,
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const void *b);
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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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/* Each MetaWindow is uniquely identified by a 64-bit "stamp"; unlike a
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* a MetaWindow *, a stamp will never be recycled
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*/
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MetaWindow* meta_display_lookup_stamp (MetaDisplay *display,
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guint64 stamp);
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void meta_display_register_stamp (MetaDisplay *display,
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guint64 *stampp,
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MetaWindow *window);
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void meta_display_unregister_stamp (MetaDisplay *display,
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guint64 stamp);
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/* A "stack id" is a XID or a stamp */
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#define META_STACK_ID_IS_X11(id) ((id) < G_GUINT64_CONSTANT(0x100000000))
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MetaWindow* meta_display_lookup_stack_id (MetaDisplay *display,
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guint64 stack_id);
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/* for debug logging only; returns a human-description of the stack
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* ID - a small number of buffers are recycled, so the result must
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* be used immediately or copied */
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const char *meta_display_describe_stack_id (MetaDisplay *display,
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guint64 stack_id);
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void meta_display_register_wayland_window (MetaDisplay *display,
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MetaWindow *window);
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void meta_display_unregister_wayland_window (MetaDisplay *display,
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MetaWindow *window);
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MetaWindow* meta_display_lookup_sync_alarm (MetaDisplay *display,
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XSyncAlarm alarm);
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void meta_display_register_sync_alarm (MetaDisplay *display,
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XSyncAlarm *alarmp,
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MetaWindow *window);
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void meta_display_unregister_sync_alarm (MetaDisplay *display,
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XSyncAlarm alarm);
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void meta_display_notify_window_created (MetaDisplay *display,
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MetaWindow *window);
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GSList* meta_display_list_windows (MetaDisplay *display,
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MetaListWindowsFlags flags);
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MetaDisplay* meta_display_for_x_display (Display *xdisplay);
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MetaDisplay* meta_get_display (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_update_cursor (MetaDisplay *display);
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void meta_display_check_threshold_reached (MetaDisplay *display,
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int x,
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int y);
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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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/* Next function is defined in edge-resistance.c */
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void meta_display_cleanup_edges (MetaDisplay *display);
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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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/* 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 (MetaWindow *window,
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guint32 serial);
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void meta_display_pong_for_serial (MetaDisplay *display,
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guint32 serial);
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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_grab_op_is_mouse (MetaGrabOp op);
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gboolean meta_grab_op_is_keyboard (MetaGrabOp op);
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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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void meta_display_queue_autoraise_callback (MetaDisplay *display,
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MetaWindow *window);
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void meta_display_remove_autoraise_callback (MetaDisplay *display);
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void meta_display_overlay_key_activate (MetaDisplay *display);
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void meta_display_accelerator_activate (MetaDisplay *display,
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guint action,
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ClutterKeyEvent *event);
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gboolean meta_display_modifiers_accelerator_activate (MetaDisplay *display);
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#ifdef HAVE_XI23
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gboolean meta_display_process_barrier_xevent (MetaDisplay *display,
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XIEvent *event);
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#endif /* HAVE_XI23 */
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void meta_display_set_input_focus_xwindow (MetaDisplay *display,
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MetaScreen *screen,
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Window window,
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guint32 timestamp);
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void meta_display_sync_wayland_input_focus (MetaDisplay *display);
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void meta_display_update_focus_window (MetaDisplay *display,
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MetaWindow *window,
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Window xwindow,
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gulong serial,
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gboolean focused_by_us);
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void meta_display_sanity_check_timestamps (MetaDisplay *display,
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guint32 timestamp);
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gboolean meta_display_timestamp_too_old (MetaDisplay *display,
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guint32 *timestamp);
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void meta_display_remove_pending_pings_for_window (MetaDisplay *display,
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MetaWindow *window);
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MetaGestureTracker * meta_display_get_gesture_tracker (MetaDisplay *display);
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gboolean meta_display_show_restart_message (MetaDisplay *display,
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const char *message);
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gboolean meta_display_request_restart (MetaDisplay *display);
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gboolean meta_display_show_resize_popup (MetaDisplay *display,
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gboolean show,
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MetaRectangle *rect,
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int display_w,
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int display_h);
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void meta_restart_init (void);
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void meta_restart_finish (void);
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void meta_display_cancel_touch (MetaDisplay *display);
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gboolean meta_display_windows_are_interactable (MetaDisplay *display);
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void meta_display_set_alarm_filter (MetaDisplay *display,
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MetaAlarmFilter filter,
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gpointer data);
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#endif
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