xserver/dix/screen_hooks.c

81 lines
2.1 KiB
C

/* SPDX-License-Identifier: MIT OR X11
*
* Copyright © 2024 Enrico Weigelt, metux IT consult <info@metux.net>
*/
#include <dix-config.h>
#include "dix/dix_priv.h"
#include "dix/screen_hooks_priv.h"
#include "include/dix.h"
#include "include/os.h"
#include "include/scrnintstr.h"
#include "include/windowstr.h"
#define DECLARE_HOOK_PROC(NAME, FIELD, TYPE) \
void dixScreenHook##NAME(ScreenPtr pScreen, TYPE func) \
{ \
AddCallback(&pScreen->FIELD, (CallbackProcPtr)func, pScreen); \
} \
\
void dixScreenUnhook##NAME(ScreenPtr pScreen, TYPE func) \
{ \
DeleteCallback(&pScreen->FIELD, (CallbackProcPtr)func, pScreen); \
}
DECLARE_HOOK_PROC(WindowDestroy, hookWindowDestroy, XorgScreenWindowDestroyProcPtr);
DECLARE_HOOK_PROC(WindowPosition, hookWindowPosition, XorgScreenWindowPositionProcPtr);
DECLARE_HOOK_PROC(Close, hookClose, XorgScreenCloseProcPtr);
DECLARE_HOOK_PROC(PixmapDestroy, hookPixmapDestroy, XorgScreenPixmapDestroyProcPtr);
int dixScreenRaiseWindowDestroy(WindowPtr pWin)
{
if (!pWin)
return Success;
ScreenPtr pScreen = pWin->drawable.pScreen;
CallCallbacks(&pScreen->hookWindowDestroy, pWin);
return (pScreen->DestroyWindow ? pScreen->DestroyWindow(pWin) : Success);
}
void dixScreenRaiseWindowPosition(WindowPtr pWin, uint32_t x, uint32_t y)
{
if (!pWin)
return;
ScreenPtr pScreen = pWin->drawable.pScreen;
XorgScreenWindowPositionParamRec param = {
.window = pWin,
.x = x,
.y = y,
};
CallCallbacks(&pScreen->hookWindowPosition, &param);
if (pScreen->PositionWindow)
pScreen->PositionWindow(pWin, x, y);
}
void dixScreenRaiseClose(ScreenPtr pScreen) {
if (!pScreen)
return;
CallCallbacks(&pScreen->hookClose, NULL);
if (pScreen->CloseScreen)
pScreen->CloseScreen(pScreen);
}
void dixScreenRaisePixmapDestroy(PixmapPtr pPixmap)
{
if (!pPixmap)
return;
ScreenPtr pScreen = pPixmap->drawable.pScreen;
CallCallbacks(&pScreen->hookPixmapDestroy, pPixmap);
/* we must not call the original ScreenRec->DestroyPixmap() here */
}