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/*
* Export window information for the Windows-OpenGL GLX implementation.
*
* Authors: Alexander Gottwald
*/
#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "win.h"
#include "winpriv.h"
#include "winwindow.h"
void
winCreateWindowsWindow (WindowPtr pWin);
/**
* Return size and handles of a window.
* If pWin is NULL, then the information for the root window is requested.
*/
extern void winGetWindowInfo(WindowPtr pWin, winWindowInfoPtr pWinInfo)
{
/* Sanity check */
if (pWinInfo == NULL)
return;
winDebug("%s:%d pWin=%p\n", __FUNCTION__, __LINE__, pWin);
/* a real window was requested */
if (pWin != NULL)
{
/* Initialize the size information */
RECT rect = {
pWin->drawable.x,
pWin->drawable.y,
pWin->drawable.x + pWin->drawable.width,
pWin->drawable.y + pWin->drawable.height
}, rect_extends;
/* Get the window and screen privates */
ScreenPtr pScreen = pWin->drawable.pScreen;
winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
winScreenInfoPtr pScreenInfo = NULL;
rect_extends = rect;
OffsetRect(&rect_extends, -pWin->drawable.x, -pWin->drawable.y);
if (pWinScreen == NULL)
{
ErrorF("winGetWindowInfo: screen has no privates\n");
return;
}
pWinInfo->hwnd = pWinScreen->hwndScreen;
pWinInfo->hrgn = NULL;
pWinInfo->rect = rect;
pScreenInfo = pWinScreen->pScreenInfo;
#ifdef XWIN_MULTIWINDOW
/* check for multiwindow mode */
if (pScreenInfo->fMultiWindow)
{
winWindowPriv(pWin);
if (pWinPriv == NULL)
{
ErrorF("winGetWindowInfo: window has no privates\n");
return;
}
if (pWinPriv->hWnd == NULL)
{
winCreateWindowsWindow(pWin);
}
if (pWinPriv->hWnd != NULL) {
/* copy size and window handle */
pWinInfo->rect = rect_extends;
pWinInfo->hwnd = pWinPriv->hWnd;
/* Copy window region */
if (pWinInfo->hrgn)
DeleteObject(pWinInfo->hrgn);
pWinInfo->hrgn = CreateRectRgn(0,0,0,0);
CombineRgn(pWinInfo->hrgn, pWinPriv->hRgn, pWinPriv->hRgn,
RGN_COPY);
}
return;
}
#endif
#ifdef XWIN_MULTIWINDOWEXTWM
/* check for multiwindow external wm mode */
if (pScreenInfo->fMWExtWM)
{
win32RootlessWindowPtr pRLWinPriv
= (win32RootlessWindowPtr) RootlessFrameForWindow (pWin, FALSE);
if (pRLWinPriv == NULL) {
ErrorF("winGetWindowInfo: window has no privates\n");
return;
}
if (pRLWinPriv->hWnd != NULL)
{
/* copy size and window handle */
pWinInfo->rect = rect_extends;
pWinInfo->hwnd = pRLWinPriv->hWnd;
}
return;
}
#endif
}
else
{
RECT rect = {0, 0, 0, 0};
ScreenPtr pScreen = g_ScreenInfo[0].pScreen;
winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
pWinInfo->hwnd = NULL;
pWinInfo->hrgn = NULL;
pWinInfo->rect = rect;
if (pWinScreen == NULL)
{
ErrorF("winGetWindowInfo: screen has no privates\n");
return;
}
ErrorF("winGetWindowInfo: returning root window\n");
pWinInfo->hwnd = pWinScreen->hwndScreen;
}
return;
}
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