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