mutter/src/core/window-props.h
Owen W. Taylor fd27647440 Don't read most properties for override-redirect windows
Skipping handling of properties for override redirect windows has
two advantages: first it reduces the amount of work needed to get
an override-redirect window (menu, tooltip, drag icon) onto the
screen. But more importantly, it reduces the number of code-paths
for an override-redirect to get into some code portion where it
isn't expected.

* Integrate the list of properties we load initially with the
  list of property hooks; this avoids having two separate lists
  that we have to keep in sync.

* Add a flag to MetaWindowPropHooks to indicate whether the
  property should be handled for override-redirect windows;
  currently we load a) properties that identify the window -
  useful for debugging purposes b) WM_TRANSIENT_FOR (could be
  used to associate menus with toplevels.)

* For properties that aren't always loaded through window-props.c,
  add !window->override checks to places that trigger loading,
  and add g_return_if_fail(!window->override) to the load
  functions as a double-check.

http://bugzilla.gnome.org/show_bug.cgi?id=582639
2009-06-29 22:32:19 -04:00

139 lines
5.0 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/**
* \file window-props.h MetaWindow property handling
*
* A system which can inspect sets of properties of given windows
* and take appropriate action given their values.
*
* Note that all the meta_window_reload_propert* functions require a
* round trip to the server.
*/
/*
* Copyright (C) 2001, 2002 Red Hat, Inc.
*
* 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.
*/
#ifndef META_WINDOW_PROPS_H
#define META_WINDOW_PROPS_H
#include "window-private.h"
/**
* Requests the current values of a single property for a given
* window from the server, and deals with it appropriately.
* Does not return it to the caller (it's been dealt with!)
*
* \param window The window.
* \param property A single X atom.
*/
void meta_window_reload_property (MetaWindow *window,
Atom property,
gboolean initial);
/**
* Requests the current values of a set of properties for a given
* window from the server, and deals with them appropriately.
* Does not return them to the caller (they've been dealt with!)
*
* \param window The window.
* \param properties A pointer to a list of X atoms, "n_properties" long.
* \param n_properties The length of the properties list.
*/
void meta_window_reload_properties (MetaWindow *window,
const Atom *properties,
int n_properties,
gboolean initial);
/**
* Requests the current values of a single property for a given
* window from the server, and deals with it appropriately.
* Does not return it to the caller (it's been dealt with!)
*
* \param window A window on the same display as the one we're
* investigating (only used to find the display)
* \param xwindow The X handle for the window.
* \param property A single X atom.
*/
void meta_window_reload_property_from_xwindow
(MetaWindow *window,
Window xwindow,
Atom property,
gboolean initial);
/**
* Requests the current values of a set of properties for a given
* window from the server, and deals with them appropriately.
* Does not return them to the caller (they've been dealt with!)
*
* \param window A window on the same display as the one we're
* investigating (only used to find the display)
* \param xwindow The X handle for the window.
* \param properties A pointer to a list of X atoms, "n_properties" long.
* \param n_properties The length of the properties list.
*/
void meta_window_reload_properties_from_xwindow
(MetaWindow *window,
Window xwindow,
const Atom *properties,
int n_properties,
gboolean initial);
/**
* Requests the current values for standard properties for a given
* window from the server, and deals with them appropriately.
* Does not return them to the caller (they've been dealt with!)
*
* \param window The window.
*/
void meta_window_load_initial_properties (MetaWindow *window);
/**
* Initialises the hooks used for the reload_propert* functions
* on a particular display, and stores a pointer to them in the
* display.
*
* \param display The display.
*/
void meta_display_init_window_prop_hooks (MetaDisplay *display);
/**
* Frees the hooks used for the reload_propert* functions
* for a particular display.
*
* \param display The display.
*/
void meta_display_free_window_prop_hooks (MetaDisplay *display);
/**
* Sets the size hints for a window. This happens when a
* WM_NORMAL_HINTS property is set on a window, but it is public
* because the size hints are set to defaults when a window is
* created. See
* http://tronche.com/gui/x/icccm/sec-4.html#WM_NORMAL_HINTS
* for the X details.
*
* \param window The window to set the size hints on.
* \param hints Either some X size hints, or NULL for default.
*/
void meta_set_normal_hints (MetaWindow *window,
XSizeHints *hints);
#endif /* META_WINDOW_PROPS_H */