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add the missing files
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Havoc Pennington
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199
src/compositor.c
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199
src/compositor.c
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/* Metacity compositing manager */
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/*
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* Copyright (C) 2003 Red Hat, Inc.
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#include <config.h>
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#include "compositor.h"
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#ifdef HAVE_COMPOSITE_EXTENSIONS
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#include <X11/extensions/Xcomposite.h>
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#include <X11/extensions/Xdamage.h>
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#include <X11/extensions/Xrender.h>
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#endif /* HAVE_COMPOSITE_EXTENSIONS */
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/* Unlike MetaWindow, there's one of these for _all_ toplevel windows,
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* override redirect or not. We also track unmapped windows as
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* otherwise on window map we'd have to determine where the
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* newly-mapped window was in the stack. A MetaCompositorWindow may
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* correspond to a metacity window frame rather than an application
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* window.
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*/
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typedef struct
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{
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Window xwindow;
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} MetaCompositorWindow;
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typedef struct
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{
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GList *windows;
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} MetaCompositorScreen;
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struct MetaCompositor
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{
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MetaDisplay *display;
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int composite_error_base;
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int composite_event_base;
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int damage_error_base;
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int damage_event_base;
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int fixes_error_base;
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int fixes_event_base;
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int render_error_base;
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int render_event_base;
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GSList *screens;
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guint enabled : 1;
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};
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MetaCompositor*
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meta_compositor_new (MetaDisplay *display)
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{
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#ifdef HAVE_COMPOSITE_EXTENSIONS
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MetaCompositor *compositor;
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compositor = g_new0 (MetaCompositor, 1);
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compositor->display = display;
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if (!XCompositeQueryExtension (display->xdisplay,
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&compositor->composite_event_base,
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&compositor->composite_error_base))
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{
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compositor->composite_event_base = 0;
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compositor->composite_error_base = 0;
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}
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meta_verbose ("Composite extension event base %d error base %d",
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compositor->composite_event_base,
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compositor->composite_error_base);
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if (!XDamageQueryExtension (display->xdisplay,
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&compositor->damage_event_base,
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&compositor->damage_error_base))
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{
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compositor->damage_event_base = 0;
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compositor->damage_error_base = 0;
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}
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meta_verbose ("Damage extension event base %d error base %d",
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compositor->damage_event_base,
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compositor->damage_error_base);
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if (!XFixesQueryExtension (display->xdisplay,
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&compositor->fixes_event_base,
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&compositor->fixes_error_base))
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{
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compositor->fixes_event_base = 0;
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compositor->fixes_error_base = 0;
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}
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meta_verbose ("Fixes extension event base %d error base %d",
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compositor->fixes_event_base,
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compositor->fixes_error_base);
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if (!XRenderQueryExtension (display->xdisplay,
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&compositor->render_event_base,
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&compositor->render_error_base))
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{
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compositor->render_event_base = 0;
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compositor->render_error_base = 0;
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}
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meta_verbose ("Render extension event base %d error base %d",
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compositor->render_event_base,
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compositor->render_error_base);
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if (compositor->composite_event_base == 0 ||
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compositor->fixes_event_base == 0 ||
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compositor->render_event_base == 0 ||
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compositor->damage_event_base == 0)
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{
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meta_verbose ("Failed to find all extensions needed for compositing manager, disabling compositing manager\n");
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g_assert (!compositor->enabled);
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return compositor;
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}
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compositor->enabled = TRUE;
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return compositor;
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#else /* HAVE_COMPOSITE_EXTENSIONS */
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return (void*) 0xdeadbeef; /* non-NULL value */
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#endif /* HAVE_COMPOSITE_EXTENSIONS */
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}
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void
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meta_compositor_unref (MetaCompositor *compositor)
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{
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#ifdef HAVE_COMPOSITE_EXTENSIONS
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/* There isn't really a refcount at the moment since
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* there's no ref()
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*/
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g_free (compositor);
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#endif /* HAVE_COMPOSITE_EXTENSIONS */
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}
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void
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meta_compositor_process_event (MetaCompositor *compositor,
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XEvent *xevent,
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MetaWindow *window)
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{
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#ifdef HAVE_COMPOSITE_EXTENSIONS
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if (!compositor->enabled)
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return; /* no extension */
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#endif /* HAVE_COMPOSITE_EXTENSIONS */
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}
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/* This is called when metacity does its XQueryTree() on startup
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* and when a new window is created.
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*/
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void
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meta_compositor_add_window (MetaCompositor *compositor,
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Window xwindow,
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XWindowAttributes *attrs)
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{
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#ifdef HAVE_COMPOSITE_EXTENSIONS
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if (!compositor->enabled)
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return; /* no extension */
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#endif /* HAVE_COMPOSITE_EXTENSIONS */
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}
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49
src/compositor.h
Normal file
49
src/compositor.h
Normal file
@ -0,0 +1,49 @@
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/* Metacity compositing manager */
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/*
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* Copyright (C) 2003 Red Hat, Inc.
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef META_COMPOSITOR_H
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#define META_COMPOSITOR_H
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#include "util.h"
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#include "display.h"
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typedef struct MetaCompositor MetaCompositor;
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MetaCompositor* meta_compositor_new (MetaDisplay *display);
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void meta_compositor_unref (MetaCompositor *compositor);
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void meta_compositor_process_event (MetaCompositor *compositor,
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XEvent *xevent,
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MetaWindow *window);
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void meta_compositor_add_window (MetaCompositor *compositor,
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Window xwindow,
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XWindowAttributes *attrs);
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#endif /* META_COMPOSITOR_H */
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