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mutter/src/core/core.h
Florian Müllner 4a10c95e76 core: Replace lower_beneath_focus_window() 
The code assumed that the focus window was always the one at the
top of the window stack, which is not true if an unfocused window
has the above hint set.

Rather than fixing this assumption, rename the function to
lower_beneath_grab_window() and use the display's grab window - the
function is only used for displaying the tile previews, which means
that we want the grab window anyway.

https://bugzilla.gnome.org/show_bug.cgi?id=650661
2011-07-09 01:08:58 +02:00

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* Mutter interface used by GTK+ UI to talk to core */
/*
* Copyright (C) 2001 Havoc Pennington
* Copyright (C) 2005 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef META_CORE_H
#define META_CORE_H
/* Don't include core headers here */
#include <gdk/gdkx.h>
#include <meta/common.h>
typedef enum
{
META_CORE_GET_END = 0,
META_CORE_WINDOW_HAS_FRAME,
META_CORE_GET_CLIENT_WIDTH,
META_CORE_GET_CLIENT_HEIGHT,
META_CORE_GET_CLIENT_XWINDOW,
META_CORE_GET_FRAME_FLAGS,
META_CORE_GET_FRAME_TYPE,
META_CORE_GET_MINI_ICON,
META_CORE_GET_ICON,
META_CORE_GET_X,
META_CORE_GET_Y,
META_CORE_GET_FRAME_WORKSPACE,
META_CORE_GET_FRAME_X,
META_CORE_GET_FRAME_Y,
META_CORE_GET_FRAME_WIDTH,
META_CORE_GET_FRAME_HEIGHT,
META_CORE_GET_THEME_VARIANT,
META_CORE_GET_SCREEN_WIDTH,
META_CORE_GET_SCREEN_HEIGHT,
} MetaCoreGetType;
/* General information function about the given window. Pass in a sequence of
* pairs of MetaCoreGetTypes and pointers to variables; the variables will be
* filled with the requested values. End the list with META_CORE_GET_END.
* For example:
*
* meta_core_get (my_display, my_window,
* META_CORE_GET_X, &x,
* META_CORE_GET_Y, &y,
* META_CORE_GET_END);
*
* If the window doesn't have a frame, this will raise a meta_bug. To suppress
* this behaviour, ask META_CORE_WINDOW_HAS_FRAME as the *first* question in
* the list. If the window has no frame, the answer to this question will be
* False, and anything else you asked will be undefined. Otherwise, the answer
* will be True. The answer will necessarily be True if you ask the question
* in any other position. The positions of all other questions don't matter.
*
* The reason for this function is that some parts of the program don't know
* about MetaWindows. But they *can* see core.h. So we used to have a whole
* load of functions which took a display and an X window, looked up the
* relevant MetaWindow, and returned information about it. The trouble with
* that is that looking up the MetaWindow is a nontrivial operation, and
* consolidating the calls in this way makes (for example) frame exposes
* 33% faster, according to valgrind.
*
* This function would perhaps be slightly better if the questions were
* represented by pointers, perhaps gchar*s, because then we could take
* advantage of gcc's automatic sentinel checking. On the other hand, this
* immediately suggests string comparison, and that's slow.
*
* Another possible improvement is that core.h still has a bunch of
* functions which can't be described by the formula "give a display and
* an X window, get a single value" (meta_core_user_move, for example), but
* which could theoretically be handled by this function if we relaxed the
* requirement that all questions should have exactly one argument.
*/
void meta_core_get (Display *xdisplay,
Window window,
...);
void meta_core_queue_frame_resize (Display *xdisplay,
Window frame_xwindow);
/* Move as a result of user operation */
void meta_core_user_move (Display *xdisplay,
Window frame_xwindow,
int x,
int y);
void meta_core_user_resize (Display *xdisplay,
Window frame_xwindow,
int gravity,
int width,
int height);
void meta_core_user_raise (Display *xdisplay,
Window frame_xwindow);
void meta_core_user_lower_and_unfocus (Display *xdisplay,
Window frame_xwindow,
guint32 timestamp);
void meta_core_user_focus (Display *xdisplay,
Window frame_xwindow,
guint32 timestamp);
void meta_core_lower_beneath_grab_window (Display *xdisplay,
Window xwindow,
guint32 timestamp);
void meta_core_minimize (Display *xdisplay,
Window frame_xwindow);
void meta_core_toggle_maximize (Display *xdisplay,
Window frame_xwindow);
void meta_core_toggle_maximize_horizontally (Display *xdisplay,
Window frame_xwindow);
void meta_core_toggle_maximize_vertically (Display *xdisplay,
Window frame_xwindow);
void meta_core_unmaximize (Display *xdisplay,
Window frame_xwindow);
void meta_core_maximize (Display *xdisplay,
Window frame_xwindow);
void meta_core_delete (Display *xdisplay,
Window frame_xwindow,
guint32 timestamp);
void meta_core_unshade (Display *xdisplay,
Window frame_xwindow,
guint32 timestamp);
void meta_core_shade (Display *xdisplay,
Window frame_xwindow,
guint32 timestamp);
void meta_core_unstick (Display *xdisplay,
Window frame_xwindow);
void meta_core_stick (Display *xdisplay,
Window frame_xwindow);
void meta_core_unmake_above (Display *xdisplay,
Window frame_xwindow);
void meta_core_make_above (Display *xdisplay,
Window frame_xwindow);
void meta_core_change_workspace (Display *xdisplay,
Window frame_xwindow,
int new_workspace);
int meta_core_get_num_workspaces (Screen *xscreen);
int meta_core_get_active_workspace (Screen *xscreen);
int meta_core_get_frame_workspace (Display *xdisplay,
Window frame_xwindow);
const char* meta_core_get_workspace_name_with_index (Display *xdisplay,
Window xroot,
int index);
void meta_core_show_window_menu (Display *xdisplay,
Window frame_xwindow,
int root_x,
int root_y,
int button,
guint32 timestamp);
void meta_core_get_menu_accelerator (MetaMenuOp menu_op,
int workspace,
unsigned int *keysym,
MetaVirtualModifier *modifiers);
gboolean meta_core_begin_grab_op (Display *xdisplay,
Window frame_xwindow,
MetaGrabOp op,
gboolean pointer_already_grabbed,
gboolean frame_action,
int button,
gulong modmask,
guint32 timestamp,
int root_x,
int root_y);
void meta_core_end_grab_op (Display *xdisplay,
guint32 timestamp);
MetaGrabOp meta_core_get_grab_op (Display *xdisplay);
Window meta_core_get_grab_frame (Display *xdisplay);
int meta_core_get_grab_button (Display *xdisplay);
void meta_core_grab_buttons (Display *xdisplay,
Window frame_xwindow);
void meta_core_set_screen_cursor (Display *xdisplay,
Window frame_on_screen,
MetaCursor cursor);
/* Used because we ignore EnterNotify when a window is unmapped that
* really shouldn't cause focus changes, by comparing the event serial
* of the EnterNotify and the UnmapNotify.
*/
void meta_core_increment_event_serial (Display *display);
void meta_invalidate_default_icons (void);
#endif
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