115 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright © 2013 Keith Packard
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|  *
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|  * Permission to use, copy, modify, distribute, and sell this software and its
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|  * documentation for any purpose is hereby granted without fee, provided that
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|  * the above copyright notice appear in all copies and that both that copyright
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|  * notice and this permission notice appear in supporting documentation, and
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|  * that the name of the copyright holders not be used in advertising or
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|  * publicity pertaining to distribution of the software without specific,
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|  * written prior permission.  The copyright holders make no representations
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|  * about the suitability of this software for any purpose.  It is provided "as
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|  * is" without express or implied warranty.
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|  *
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|  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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|  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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|  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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|  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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|  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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|  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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|  * OF THIS SOFTWARE.
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|  */
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| 
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| #ifdef HAVE_XORG_CONFIG_H
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| #include <xorg-config.h>
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| #endif
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| 
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| #include "present_priv.h"
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| 
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| /*
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|  * Mark all pending notifies for 'window' as invalid when
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|  * the window is destroyed
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|  */
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| 
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| void
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| present_clear_window_notifies(WindowPtr window)
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| {
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|     present_notify_ptr          notify;
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|     present_window_priv_ptr     window_priv = present_window_priv(window);
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| 
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|     if (!window_priv)
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|         return;
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| 
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|     xorg_list_for_each_entry(notify, &window_priv->notifies, window_list) {
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|         notify->window = NULL;
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|     }
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| }
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| 
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| /*
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|  * 'notify' is being freed; remove it from the window's notify list
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|  */
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| 
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| void
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| present_free_window_notify(present_notify_ptr notify)
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| {
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|     xorg_list_del(¬ify->window_list);
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| }
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| 
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| /*
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|  * 'notify' is new; add it to the specified window
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|  */
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| 
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| int
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| present_add_window_notify(present_notify_ptr notify)
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| {
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|     WindowPtr                   window = notify->window;
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|     present_window_priv_ptr     window_priv = present_get_window_priv(window, TRUE);
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| 
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|     if (!window_priv)
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|         return BadAlloc;
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| 
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|     xorg_list_add(¬ify->window_list, &window_priv->notifies);
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|     return Success;
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| }
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| 
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| int
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| present_create_notifies(ClientPtr client, int num_notifies, xPresentNotify *x_notifies, present_notify_ptr *p_notifies)
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| {
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|     present_notify_ptr  notifies;
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|     int                 i;
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|     int                 added = 0;
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|     int                 status;
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| 
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|     notifies = calloc (num_notifies, sizeof (present_notify_rec));
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|     if (!notifies)
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|         return BadAlloc;
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| 
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|     for (i = 0; i < num_notifies; i++) {
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|         status = dixLookupWindow(¬ifies[i].window, x_notifies[i].window, client, DixGetAttrAccess);
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|         if (status != Success)
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|             goto bail;
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| 
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|         notifies[i].serial = x_notifies[i].serial;
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|         status = present_add_window_notify(¬ifies[i]);
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|         if (status != Success)
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|             goto bail;
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| 
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|         added = i;
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|     }
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|     return Success;
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| 
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| bail:
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|     present_destroy_notifies(notifies, added);
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|     return status;
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| }
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| 
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| void
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| present_destroy_notifies(present_notify_ptr notifies, int num_notifies)
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| {
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|     int i;
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|     for (i = 0; i < num_notifies; i++)
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|         present_free_window_notify(¬ifies[i]);
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| 
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|     free(notifies);
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| }
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