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mutter/src/core/display-private.h
Armin Krezović e8171ccdc1 Use MetaMonitorManager insted of MetaDisplay where possible 
This drops display's monitors-changed signal and makes all
the code rely on MetaMonitorManager.

https://bugzilla.gnome.org/show_bug.cgi?id=759538
2018-07-06 19:47:17 +02:00

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* Mutter X display handler */
/*
* Copyright (C) 2001 Havoc Pennington
* Copyright (C) 2002 Red Hat, Inc.
* Copyright (C) 2003 Rob Adams
* Copyright (C) 2004-2006 Elijah Newren
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef META_DISPLAY_PRIVATE_H
#define META_DISPLAY_PRIVATE_H
#ifndef PACKAGE
#error "config.h not included"
#endif
#include <glib.h>
#include <X11/Xlib.h>
#include <meta/common.h>
#include <meta/boxes.h>
#include <meta/display.h>
#include "keybindings-private.h"
#include "startup-notification-private.h"
#include "meta-gesture-tracker-private.h"
#include "stack-tracker.h"
#include <meta/prefs.h>
#include <meta/barrier.h>
#include <clutter/clutter.h>
#ifdef HAVE_STARTUP_NOTIFICATION
#include <libsn/sn.h>
#endif
#include <X11/extensions/sync.h>
typedef struct _MetaBell MetaBell;
typedef struct _MetaStack MetaStack;
typedef struct _MetaUISlave MetaUISlave;
typedef struct MetaEdgeResistanceData MetaEdgeResistanceData;
typedef enum {
META_LIST_DEFAULT = 0, /* normal windows */
META_LIST_INCLUDE_OVERRIDE_REDIRECT = 1 << 0, /* normal and O-R */
META_LIST_SORTED = 1 << 1, /* sort list by mru */
} MetaListWindowsFlags;
#define _NET_WM_STATE_REMOVE 0 /* remove/unset property */
#define _NET_WM_STATE_ADD 1 /* add/set property */
#define _NET_WM_STATE_TOGGLE 2 /* toggle property */
/* This is basically a bogus number, just has to be large enough
* to handle the expected case of the alt+tab operation, where
* we want to ignore serials from UnmapNotify on the tab popup,
* and the LeaveNotify/EnterNotify from the pointer ungrab. It
* also has to be big enough to hold ignored serials from the point
* where we reshape the stage to the point where we get events back.
*/
#define N_IGNORED_CROSSING_SERIALS 10
typedef enum {
META_TILE_NONE,
META_TILE_LEFT,
META_TILE_RIGHT,
META_TILE_MAXIMIZED
} MetaTileMode;
typedef enum {
/* Normal interaction where you're interacting with windows.
* Events go to windows normally. */
META_EVENT_ROUTE_NORMAL,
/* In a window operation like moving or resizing. All events
* goes to MetaWindow, but not to the actual client window. */
META_EVENT_ROUTE_WINDOW_OP,
/* In a compositor grab operation. All events go to the
* compositor plugin. */
META_EVENT_ROUTE_COMPOSITOR_GRAB,
/* A Wayland application has a popup open. All events go to
* the Wayland application. */
META_EVENT_ROUTE_WAYLAND_POPUP,
/* The user is clicking on a window button. */
META_EVENT_ROUTE_FRAME_BUTTON,
} MetaEventRoute;
typedef void (* MetaDisplayWindowFunc) (MetaWindow *window,
gpointer user_data);
struct _MetaDisplay
{
GObject parent_instance;
MetaX11Display *x11_display;
int clutter_event_filter;
/* Our best guess as to the "currently" focused window (that is, the
* window that we expect will be focused at the point when the X
* server processes our next request), and the serial of the request
* or event that caused this.
*/
MetaWindow *focus_window;
/* last timestamp passed to XSetInputFocus */
guint32 last_focus_time;
/* last user interaction time in any app */
guint32 last_user_time;
/* whether we're using mousenav (only relevant for sloppy&mouse focus modes;
* !mouse_mode means "keynav mode")
*/
guint mouse_mode : 1;
/* Helper var used when focus_new_windows setting is 'strict'; only
* relevant in 'strict' mode and if the focus window is a terminal.
* In that case, we don't allow new windows to take focus away from
* a terminal, but if the user explicitly did something that should
* allow a different window to gain focus (e.g. global keybinding or
* clicking on a dock), then we will allow the transfer.
*/
guint allow_terminal_deactivation : 1;
/* If true, server->focus_serial refers to us changing the focus; in
* this case, we can ignore focus events that have exactly focus_serial,
* since we take care to make another request immediately afterwards.
* But if focus is being changed by another client, we have to accept
* multiple events with the same serial.
*/
guint focused_by_us : 1;
/*< private-ish >*/
GHashTable *stamps;
GHashTable *wayland_windows;
/* serials of leave/unmap events that may
* correspond to an enter event we should
* ignore
*/
unsigned long ignored_crossing_serials[N_IGNORED_CROSSING_SERIALS];
guint32 current_time;
/* We maintain a sequence counter, incremented for each #MetaWindow
* created. This is exposed by meta_window_get_stable_sequence()
* but is otherwise not used inside mutter.
*
* It can be useful to plugins which want to sort windows in a
* stable fashion.
*/
guint32 window_sequence_counter;
/* Pings which we're waiting for a reply from */
GSList *pending_pings;
/* Pending focus change */
guint focus_timeout_id;
/* Pending autoraise */
guint autoraise_timeout_id;
MetaWindow* autoraise_window;
/* Event routing */
MetaEventRoute event_route;
/* current window operation */
MetaGrabOp grab_op;
MetaWindow *grab_window;
int grab_button;
int grab_anchor_root_x;
int grab_anchor_root_y;
MetaRectangle grab_anchor_window_pos;
MetaTileMode grab_tile_mode;
int grab_tile_monitor_number;
int grab_latest_motion_x;
int grab_latest_motion_y;
guint grab_have_pointer : 1;
guint grab_have_keyboard : 1;
guint grab_frame_action : 1;
MetaRectangle grab_initial_window_pos;
int grab_initial_x, grab_initial_y; /* These are only relevant for */
gboolean grab_threshold_movement_reached; /* raise_on_click == FALSE. */
GTimeVal grab_last_moveresize_time;
MetaEdgeResistanceData *grab_edge_resistance_data;
unsigned int grab_last_user_action_was_snap;
/* we use property updates as sentinels for certain window focus events
* to avoid some race conditions on EnterNotify events
*/
int sentinel_counter;
int grab_resize_timeout_id;
MetaKeyBindingManager key_binding_manager;
/* Monitor cache */
unsigned int monitor_cache_invalidated : 1;
/* Opening the display */
unsigned int display_opening : 1;
/* Closing down the display */
int closing;
/* Managed by compositor.c */
MetaCompositor *compositor;
MetaGestureTracker *gesture_tracker;
ClutterEventSequence *pointer_emulating_sequence;
ClutterActor *current_pad_osd;
MetaStartupNotification *startup_notification;
MetaCursor current_cursor;
MetaStack *stack;
MetaStackTracker *stack_tracker;
guint tile_preview_timeout_id;
guint preview_tile_mode : 2;
GSList *startup_sequences;
guint work_area_later;
guint check_fullscreen_later;
MetaWorkspace *active_workspace;
GList *workspaces;
int rows_of_workspaces;
int columns_of_workspaces;
MetaDisplayCorner starting_corner;
guint vertical_workspaces : 1;
guint workspace_layout_overridden : 1;
MetaBell *bell;
};
struct _MetaDisplayClass
{
GObjectClass parent_class;
};
#define XSERVER_TIME_IS_BEFORE_ASSUMING_REAL_TIMESTAMPS(time1, time2) \
( (( (time1) < (time2) ) && ( (time2) - (time1) < ((guint32)-1)/2 )) || \
(( (time1) > (time2) ) && ( (time1) - (time2) > ((guint32)-1)/2 )) \
)
/**
* XSERVER_TIME_IS_BEFORE:
*
* See the docs for meta_display_xserver_time_is_before().
*/
#define XSERVER_TIME_IS_BEFORE(time1, time2) \
( (time1) == 0 || \
(XSERVER_TIME_IS_BEFORE_ASSUMING_REAL_TIMESTAMPS(time1, time2) && \
(time2) != 0) \
)
gboolean meta_display_open (void);
void meta_display_close (MetaDisplay *display,
guint32 timestamp);
void meta_display_manage_all_windows (MetaDisplay *display);
void meta_display_unmanage_windows (MetaDisplay *display,
guint32 timestamp);
/* Utility function to compare the stacking of two windows */
int meta_display_stack_cmp (const void *a,
const void *b);
/* Each MetaWindow is uniquely identified by a 64-bit "stamp"; unlike a
* a MetaWindow *, a stamp will never be recycled
*/
MetaWindow* meta_display_lookup_stamp (MetaDisplay *display,
guint64 stamp);
void meta_display_register_stamp (MetaDisplay *display,
guint64 *stampp,
MetaWindow *window);
void meta_display_unregister_stamp (MetaDisplay *display,
guint64 stamp);
/* A "stack id" is a XID or a stamp */
#define META_STACK_ID_IS_X11(id) ((id) < G_GUINT64_CONSTANT(0x100000000))
MetaWindow* meta_display_lookup_stack_id (MetaDisplay *display,
guint64 stack_id);
/* for debug logging only; returns a human-description of the stack
* ID - a small number of buffers are recycled, so the result must
* be used immediately or copied */
const char *meta_display_describe_stack_id (MetaDisplay *display,
guint64 stack_id);
void meta_display_register_wayland_window (MetaDisplay *display,
MetaWindow *window);
void meta_display_unregister_wayland_window (MetaDisplay *display,
MetaWindow *window);
void meta_display_notify_window_created (MetaDisplay *display,
MetaWindow *window);
GSList* meta_display_list_windows (MetaDisplay *display,
MetaListWindowsFlags flags);
MetaDisplay* meta_display_for_x_display (Display *xdisplay);
MetaDisplay* meta_get_display (void);
void meta_display_reload_cursor (MetaDisplay *display);
void meta_display_update_cursor (MetaDisplay *display);
void meta_display_check_threshold_reached (MetaDisplay *display,
int x,
int y);
void meta_display_grab_window_buttons (MetaDisplay *display,
Window xwindow);
void meta_display_ungrab_window_buttons (MetaDisplay *display,
Window xwindow);
void meta_display_grab_focus_window_button (MetaDisplay *display,
MetaWindow *window);
void meta_display_ungrab_focus_window_button (MetaDisplay *display,
MetaWindow *window);
/* Next function is defined in edge-resistance.c */
void meta_display_cleanup_edges (MetaDisplay *display);
/* utility goo */
const char* meta_event_mode_to_string (int m);
const char* meta_event_detail_to_string (int d);
void meta_display_queue_retheme_all_windows (MetaDisplay *display);
void meta_display_retheme_all (void);
void meta_display_ping_window (MetaWindow *window,
guint32 serial);
void meta_display_pong_for_serial (MetaDisplay *display,
guint32 serial);
int meta_resize_gravity_from_grab_op (MetaGrabOp op);
gboolean meta_grab_op_is_moving (MetaGrabOp op);
gboolean meta_grab_op_is_resizing (MetaGrabOp op);
gboolean meta_grab_op_is_mouse (MetaGrabOp op);
gboolean meta_grab_op_is_keyboard (MetaGrabOp op);
void meta_display_increment_focus_sentinel (MetaDisplay *display);
void meta_display_decrement_focus_sentinel (MetaDisplay *display);
gboolean meta_display_focus_sentinel_clear (MetaDisplay *display);
void meta_display_queue_autoraise_callback (MetaDisplay *display,
MetaWindow *window);
void meta_display_remove_autoraise_callback (MetaDisplay *display);
void meta_display_overlay_key_activate (MetaDisplay *display);
void meta_display_accelerator_activate (MetaDisplay *display,
guint action,
ClutterKeyEvent *event);
gboolean meta_display_modifiers_accelerator_activate (MetaDisplay *display);
void meta_display_sync_wayland_input_focus (MetaDisplay *display);
void meta_display_update_focus_window (MetaDisplay *display,
MetaWindow *window,
Window xwindow,
gulong serial,
gboolean focused_by_us);
void meta_display_sanity_check_timestamps (MetaDisplay *display,
guint32 timestamp);
gboolean meta_display_timestamp_too_old (MetaDisplay *display,
guint32 *timestamp);
void meta_display_remove_pending_pings_for_window (MetaDisplay *display,
MetaWindow *window);
MetaGestureTracker * meta_display_get_gesture_tracker (MetaDisplay *display);
gboolean meta_display_show_restart_message (MetaDisplay *display,
const char *message);
gboolean meta_display_request_restart (MetaDisplay *display);
gboolean meta_display_show_resize_popup (MetaDisplay *display,
gboolean show,
MetaRectangle *rect,
int display_w,
int display_h);
void meta_set_is_restart (gboolean whether);
void meta_display_cancel_touch (MetaDisplay *display);
gboolean meta_display_windows_are_interactable (MetaDisplay *display);
void meta_display_show_tablet_mapping_notification (MetaDisplay *display,
ClutterInputDevice *pad,
const gchar *pretty_name);
void meta_display_notify_pad_group_switch (MetaDisplay *display,
ClutterInputDevice *pad,
const gchar *pretty_name,
guint n_group,
guint n_mode,
guint n_modes);
void meta_display_foreach_window (MetaDisplay *display,
MetaListWindowsFlags flags,
MetaDisplayWindowFunc func,
gpointer data);
void meta_display_restacked (MetaDisplay *display);
void meta_display_update_tile_preview (MetaDisplay *display,
gboolean delay);
void meta_display_hide_tile_preview (MetaDisplay *display);
gboolean meta_display_apply_startup_properties (MetaDisplay *display,
MetaWindow *window);
void meta_display_queue_workarea_recalc (MetaDisplay *display);
void meta_display_queue_check_fullscreen (MetaDisplay *display);
MetaWindow *meta_display_get_pointer_window (MetaDisplay *display,
MetaWindow *not_this_one);
void meta_display_init_workspaces (MetaDisplay *display);
void meta_display_update_workspace_layout (MetaDisplay *display,
MetaDisplayCorner starting_corner,
gboolean vertical_layout,
int n_rows,
int n_columns);
typedef struct MetaWorkspaceLayout MetaWorkspaceLayout;
struct MetaWorkspaceLayout
{
int rows;
int cols;
int *grid;
int grid_area;
int current_row;
int current_col;
};
void meta_display_calc_workspace_layout (MetaDisplay *display,
int num_workspaces,
int current_space,
MetaWorkspaceLayout *layout);
void meta_display_free_workspace_layout (MetaWorkspaceLayout *layout);
void meta_display_minimize_all_on_active_workspace_except (MetaDisplay *display,
MetaWindow *keep);
/* Show/hide the desktop (temporarily hide all windows) */
void meta_display_show_desktop (MetaDisplay *display,
guint32 timestamp);
void meta_display_unshow_desktop (MetaDisplay *display);
void meta_display_workspace_switched (MetaDisplay *display,
int from,
int to,
MetaMotionDirection direction);
void meta_display_update_num_workspaces (MetaDisplay *display,
guint32 timestamp,
int new_num);
#endif
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