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