xserver/dix/lookup.c

43 lines
890 B
C

/* SPDX-License-Identifier: MIT OR X11
*
* Copyright © 2024 Enrico Weigelt, metux IT consult <info@metux.net>
*
* @brief DIX lookup functions
*/
#include <dix-config.h>
#include "dix/dix_priv.h"
#include "include/windowstr.h"
struct window_xid_match {
WindowPtr pWin;
Window id;
};
static int dix_match_window_xid(WindowPtr pWin, void *ptr)
{
struct window_xid_match *walk = (struct window_xid_match*) ptr;
if (walk->id == pWin->drawable.id) {
walk->pWin = pWin;
return WT_STOPWALKING;
}
else
return WT_WALKCHILDREN;
}
WindowPtr dixLookupWindowByXID(Window window)
{
struct window_xid_match walk = {
.id = window,
};
for (int i = 0; i < screenInfo.numScreens; i++) {
WalkTree(screenInfo.screens[i], dix_match_window_xid, &walk);
if (walk.pWin)
break;
}
return walk.pWin;
}