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xenocara/xserver/hw/xwin/winmultiwindowwindow.c
matthieu 4f58590a42 Update to xserver 1.16.1. 
Tested by naddy@, jsg@ & kettenis@
2014-09-27 17:52:59 +00:00

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/*
*Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
*Copyright (C) Colin Harrison 2005-2008
*
*Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
*"Software"), to deal in the Software without restriction, including
*without limitation the rights to use, copy, modify, merge, publish,
*distribute, sublicense, and/or sell copies of the Software, and to
*permit persons to whom the Software is furnished to do so, subject to
*the following conditions:
*
*The above copyright notice and this permission notice shall be
*included in all copies or substantial portions of the Software.
*
*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
*EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
*MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
*NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*Except as contained in this notice, the name of the XFree86 Project
*shall not be used in advertising or otherwise to promote the sale, use
*or other dealings in this Software without prior written authorization
*from the XFree86 Project.
*
* Authors: Kensuke Matsuzaki
* Earle F. Philhower, III
* Harold L Hunt II
* Colin Harrison
*/
#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "win.h"
#include "dixevents.h"
#include "winmultiwindowclass.h"
/*
* Prototypes for local functions
*/
void
winCreateWindowsWindow(WindowPtr pWin);
static void
winDestroyWindowsWindow(WindowPtr pWin);
static void
winUpdateWindowsWindow(WindowPtr pWin);
static void
winFindWindow(void *value, XID id, void *cdata);
static
void
winInitMultiWindowClass(void)
{
static wATOM atomXWinClass = 0;
WNDCLASSEX wcx;
if (atomXWinClass == 0) {
HICON hIcon, hIconSmall;
/* Load the default icons */
winSelectIcons(&hIcon, &hIconSmall);
/* Setup our window class */
wcx.cbSize = sizeof(WNDCLASSEX);
wcx.style = CS_HREDRAW | CS_VREDRAW | (g_fNativeGl ? CS_OWNDC : 0);
wcx.lpfnWndProc = winTopLevelWindowProc;
wcx.cbClsExtra = 0;
wcx.cbWndExtra = 0;
wcx.hInstance = g_hInstance;
wcx.hIcon = hIcon;
wcx.hCursor = 0;
wcx.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
wcx.lpszMenuName = NULL;
wcx.lpszClassName = WINDOW_CLASS_X;
wcx.hIconSm = hIconSmall;
#if CYGMULTIWINDOW_DEBUG
ErrorF("winCreateWindowsWindow - Creating class: %s\n", WINDOW_CLASS_X);
#endif
atomXWinClass = RegisterClassEx(&wcx);
}
}
/*
* CreateWindow - See Porting Layer Definition - p. 37
*/
Bool
winCreateWindowMultiWindow(WindowPtr pWin)
{
Bool fResult = TRUE;
ScreenPtr pScreen = pWin->drawable.pScreen;
winWindowPriv(pWin);
winScreenPriv(pScreen);
#if CYGMULTIWINDOW_DEBUG
winTrace("winCreateWindowMultiWindow - pWin: %p\n", pWin);
#endif
WIN_UNWRAP(CreateWindow);
fResult = (*pScreen->CreateWindow) (pWin);
WIN_WRAP(CreateWindow, winCreateWindowMultiWindow);
/* Initialize some privates values */
pWinPriv->hRgn = NULL;
pWinPriv->hWnd = NULL;
pWinPriv->pScreenPriv = winGetScreenPriv(pWin->drawable.pScreen);
pWinPriv->fXKilled = FALSE;
#ifdef XWIN_GLX_WINDOWS
pWinPriv->fWglUsed = FALSE;
#endif
return fResult;
}
/*
* DestroyWindow - See Porting Layer Definition - p. 37
*/
Bool
winDestroyWindowMultiWindow(WindowPtr pWin)
{
Bool fResult = TRUE;
ScreenPtr pScreen = pWin->drawable.pScreen;
winWindowPriv(pWin);
winScreenPriv(pScreen);
#if CYGMULTIWINDOW_DEBUG
ErrorF("winDestroyWindowMultiWindow - pWin: %p\n", pWin);
#endif
WIN_UNWRAP(DestroyWindow);
fResult = (*pScreen->DestroyWindow) (pWin);
WIN_WRAP(DestroyWindow, winDestroyWindowMultiWindow);
/* Flag that the window has been destroyed */
pWinPriv->fXKilled = TRUE;
/* Kill the MS Windows window associated with this window */
winDestroyWindowsWindow(pWin);
return fResult;
}
/*
* PositionWindow - See Porting Layer Definition - p. 37
*
* This function adjusts the position and size of Windows window
* with respect to the underlying X window. This is the inverse
* of winAdjustXWindow, which adjusts X window to Windows window.
*/
Bool
winPositionWindowMultiWindow(WindowPtr pWin, int x, int y)
{
Bool fResult = TRUE;
int iX, iY, iWidth, iHeight;
ScreenPtr pScreen = pWin->drawable.pScreen;
winWindowPriv(pWin);
winScreenPriv(pScreen);
HWND hWnd = pWinPriv->hWnd;
RECT rcNew;
RECT rcOld;
#if CYGMULTIWINDOW_DEBUG
RECT rcClient;
RECT *lpRc;
#endif
DWORD dwExStyle;
DWORD dwStyle;
#if CYGMULTIWINDOW_DEBUG
winTrace("winPositionWindowMultiWindow - pWin: %p\n", pWin);
#endif
WIN_UNWRAP(PositionWindow);
fResult = (*pScreen->PositionWindow) (pWin, x, y);
WIN_WRAP(PositionWindow, winPositionWindowMultiWindow);
#if CYGWINDOWING_DEBUG
ErrorF("winPositionWindowMultiWindow: (x, y) = (%d, %d)\n", x, y);
#endif
/* Bail out if the Windows window handle is bad */
if (!hWnd) {
#if CYGWINDOWING_DEBUG
ErrorF("\timmediately return since hWnd is NULL\n");
#endif
return fResult;
}
/* Get the Windows window style and extended style */
dwExStyle = GetWindowLongPtr(hWnd, GWL_EXSTYLE);
dwStyle = GetWindowLongPtr(hWnd, GWL_STYLE);
/* Get the X and Y location of the X window */
iX = pWin->drawable.x + GetSystemMetrics(SM_XVIRTUALSCREEN);
iY = pWin->drawable.y + GetSystemMetrics(SM_YVIRTUALSCREEN);
/* Get the height and width of the X window */
iWidth = pWin->drawable.width;
iHeight = pWin->drawable.height;
/* Store the origin, height, and width in a rectangle structure */
SetRect(&rcNew, iX, iY, iX + iWidth, iY + iHeight);
#if CYGMULTIWINDOW_DEBUG
lpRc = &rcNew;
ErrorF("winPositionWindowMultiWindow - (%d ms)drawable (%d, %d)-(%d, %d)\n",
GetTickCount(), lpRc->left, lpRc->top, lpRc->right, lpRc->bottom);
#endif
/*
* Calculate the required size of the Windows window rectangle,
* given the size of the Windows window client area.
*/
AdjustWindowRectEx(&rcNew, dwStyle, FALSE, dwExStyle);
/* Get a rectangle describing the old Windows window */
GetWindowRect(hWnd, &rcOld);
#if CYGMULTIWINDOW_DEBUG
/* Get a rectangle describing the Windows window client area */
GetClientRect(hWnd, &rcClient);
lpRc = &rcNew;
ErrorF("winPositionWindowMultiWindow - (%d ms)rcNew (%d, %d)-(%d, %d)\n",
GetTickCount(), lpRc->left, lpRc->top, lpRc->right, lpRc->bottom);
lpRc = &rcOld;
ErrorF("winPositionWindowMultiWindow - (%d ms)rcOld (%d, %d)-(%d, %d)\n",
GetTickCount(), lpRc->left, lpRc->top, lpRc->right, lpRc->bottom);
lpRc = &rcClient;
ErrorF("(%d ms)rcClient (%d, %d)-(%d, %d)\n",
GetTickCount(), lpRc->left, lpRc->top, lpRc->right, lpRc->bottom);
#endif
/* Check if the old rectangle and new rectangle are the same */
if (!EqualRect(&rcNew, &rcOld)) {
#if CYGMULTIWINDOW_DEBUG
ErrorF("winPositionWindowMultiWindow - Need to move\n");
#endif
#if CYGWINDOWING_DEBUG
ErrorF("\tMoveWindow to (%ld, %ld) - %ldx%ld\n", rcNew.left, rcNew.top,
rcNew.right - rcNew.left, rcNew.bottom - rcNew.top);
#endif
/* Change the position and dimensions of the Windows window */
MoveWindow(hWnd,
rcNew.left, rcNew.top,
rcNew.right - rcNew.left, rcNew.bottom - rcNew.top, TRUE);
}
else {
#if CYGMULTIWINDOW_DEBUG
ErrorF("winPositionWindowMultiWindow - Not need to move\n");
#endif
}
return fResult;
}
/*
* ChangeWindowAttributes - See Porting Layer Definition - p. 37
*/
Bool
winChangeWindowAttributesMultiWindow(WindowPtr pWin, unsigned long mask)
{
Bool fResult = TRUE;
ScreenPtr pScreen = pWin->drawable.pScreen;
winScreenPriv(pScreen);
#if CYGMULTIWINDOW_DEBUG
ErrorF("winChangeWindowAttributesMultiWindow - pWin: %08x\n", pWin);
#endif
WIN_UNWRAP(ChangeWindowAttributes);
fResult = (*pScreen->ChangeWindowAttributes) (pWin, mask);
WIN_WRAP(ChangeWindowAttributes, winChangeWindowAttributesMultiWindow);
/*
* NOTE: We do not currently need to do anything here.
*/
return fResult;
}
/*
* UnmapWindow - See Porting Layer Definition - p. 37
* Also referred to as UnrealizeWindow
*/
Bool
winUnmapWindowMultiWindow(WindowPtr pWin)
{
Bool fResult = TRUE;
ScreenPtr pScreen = pWin->drawable.pScreen;
winWindowPriv(pWin);
winScreenPriv(pScreen);
#if CYGMULTIWINDOW_DEBUG
ErrorF("winUnmapWindowMultiWindow - pWin: %08x\n", pWin);
#endif
WIN_UNWRAP(UnrealizeWindow);
fResult = (*pScreen->UnrealizeWindow) (pWin);
WIN_WRAP(UnrealizeWindow, winUnmapWindowMultiWindow);
/* Flag that the window has been killed */
pWinPriv->fXKilled = TRUE;
/* Destroy the Windows window associated with this X window */
winDestroyWindowsWindow(pWin);
return fResult;
}
/*
* MapWindow - See Porting Layer Definition - p. 37
* Also referred to as RealizeWindow
*/
Bool
winMapWindowMultiWindow(WindowPtr pWin)
{
Bool fResult = TRUE;
ScreenPtr pScreen = pWin->drawable.pScreen;
winWindowPriv(pWin);
winScreenPriv(pScreen);
#if CYGMULTIWINDOW_DEBUG
ErrorF("winMapWindowMultiWindow - pWin: %08x\n", pWin);
#endif
WIN_UNWRAP(RealizeWindow);
fResult = (*pScreen->RealizeWindow) (pWin);
WIN_WRAP(RealizeWindow, winMapWindowMultiWindow);
/* Flag that this window has not been destroyed */
pWinPriv->fXKilled = FALSE;
/* Refresh/redisplay the Windows window associated with this X window */
winUpdateWindowsWindow(pWin);
/* Update the Windows window's shape */
winReshapeMultiWindow(pWin);
winUpdateRgnMultiWindow(pWin);
return fResult;
}
/*
* ReparentWindow - See Porting Layer Definition - p. 42
*/
void
winReparentWindowMultiWindow(WindowPtr pWin, WindowPtr pPriorParent)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
winScreenPriv(pScreen);
winDebug
("winReparentMultiWindow - pWin:%08x XID:0x%x, reparent from pWin:%08x XID:0x%x to pWin:%08x XID:0x%x\n",
pWin, pWin->drawable.id, pPriorParent, pPriorParent->drawable.id,
pWin->parent, pWin->parent->drawable.id);
WIN_UNWRAP(ReparentWindow);
if (pScreen->ReparentWindow)
(*pScreen->ReparentWindow) (pWin, pPriorParent);
WIN_WRAP(ReparentWindow, winReparentWindowMultiWindow);
/* Update the Windows window associated with this X window */
winUpdateWindowsWindow(pWin);
}
/*
* RestackWindow - Shuffle the z-order of a window
*/
void
winRestackWindowMultiWindow(WindowPtr pWin, WindowPtr pOldNextSib)
{
#if 0
WindowPtr pPrevWin;
UINT uFlags;
HWND hInsertAfter;
HWND hWnd = NULL;
#endif
ScreenPtr pScreen = pWin->drawable.pScreen;
winScreenPriv(pScreen);
#if CYGMULTIWINDOW_DEBUG || CYGWINDOWING_DEBUG
winTrace("winRestackMultiWindow - %08x\n", pWin);
#endif
WIN_UNWRAP(RestackWindow);
if (pScreen->RestackWindow)
(*pScreen->RestackWindow) (pWin, pOldNextSib);
WIN_WRAP(RestackWindow, winRestackWindowMultiWindow);
#if 1
/*
* Calling winReorderWindowsMultiWindow here means our window manager
* (i.e. Windows Explorer) has initiative to determine Z order.
*/
if (pWin->nextSib != pOldNextSib)
winReorderWindowsMultiWindow();
#else
/* Bail out if no window privates or window handle is invalid */
if (!pWinPriv || !pWinPriv->hWnd)
return;
/* Get a pointer to our previous sibling window */
pPrevWin = pWin->prevSib;
/*
* Look for a sibling window with
* valid privates and window handle
*/
while (pPrevWin && !winGetWindowPriv(pPrevWin)
&& !winGetWindowPriv(pPrevWin)->hWnd)
pPrevWin = pPrevWin->prevSib;
/* Check if we found a valid sibling */
if (pPrevWin) {
/* Valid sibling - get handle to insert window after */
hInsertAfter = winGetWindowPriv(pPrevWin)->hWnd;
uFlags = SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE;
hWnd = GetNextWindow(pWinPriv->hWnd, GW_HWNDPREV);
do {
if (GetProp(hWnd, WIN_WINDOW_PROP)) {
if (hWnd == winGetWindowPriv(pPrevWin)->hWnd) {
uFlags |= SWP_NOZORDER;
}
break;
}
hWnd = GetNextWindow(hWnd, GW_HWNDPREV);
}
while (hWnd);
}
else {
/* No valid sibling - make this window the top window */
hInsertAfter = HWND_TOP;
uFlags = SWP_NOMOVE | SWP_NOSIZE;
}
/* Perform the restacking operation in Windows */
SetWindowPos(pWinPriv->hWnd, hInsertAfter, 0, 0, 0, 0, uFlags);
#endif
}
/*
* winCreateWindowsWindow - Create a Windows window associated with an X window
*/
void
winCreateWindowsWindow(WindowPtr pWin)
{
int iX, iY;
int iWidth;
int iHeight;
HWND hWnd;
HWND hFore = NULL;
winWindowPriv(pWin);
winPrivScreenPtr pScreenPriv = pWinPriv->pScreenPriv;
WinXSizeHints hints;
Window daddyId;
DWORD dwStyle, dwExStyle;
RECT rc;
winInitMultiWindowClass();
winDebug("winCreateWindowsTopLevelWindow - pWin:%08x XID:0x%x \n", pWin,
pWin->drawable.id);
iX = pWin->drawable.x + GetSystemMetrics(SM_XVIRTUALSCREEN);
iY = pWin->drawable.y + GetSystemMetrics(SM_YVIRTUALSCREEN);
iWidth = pWin->drawable.width;
iHeight = pWin->drawable.height;
/* If it's an InputOutput window, and so is going to end up being made visible,
make sure the window actually ends up somewhere where it will be visible */
if (pWin->drawable.class != InputOnly) {
if ((iX < GetSystemMetrics(SM_XVIRTUALSCREEN)) ||
(iX > GetSystemMetrics(SM_CXVIRTUALSCREEN)))
iX = CW_USEDEFAULT;
if ((iY < GetSystemMetrics(SM_YVIRTUALSCREEN)) ||
(iY > GetSystemMetrics(SM_CYVIRTUALSCREEN)))
iY = CW_USEDEFAULT;
}
winDebug("winCreateWindowsWindow - %dx%d @ %dx%d\n", iWidth, iHeight, iX,
iY);
if (winMultiWindowGetTransientFor(pWin, &daddyId)) {
if (daddyId) {
hFore = GetForegroundWindow();
if (hFore && (daddyId != (Window) (INT_PTR) GetProp(hFore, WIN_WID_PROP)))
hFore = NULL;
}
}
else {
/* Default positions if none specified */
if (!winMultiWindowGetWMNormalHints(pWin, &hints))
hints.flags = 0;
if (!(hints.flags & (USPosition | PPosition)) &&
!pWin->overrideRedirect) {
iX = CW_USEDEFAULT;
iY = CW_USEDEFAULT;
}
}
/* Make it WS_OVERLAPPED in create call since WS_POPUP doesn't support */
/* CW_USEDEFAULT, change back to popup after creation */
dwStyle = WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
dwExStyle = WS_EX_TOOLWINDOW;
/*
Calculate the window coordinates containing the requested client area,
being careful to preseve CW_USEDEFAULT
*/
rc.top = (iY != CW_USEDEFAULT) ? iY : 0;
rc.left = (iX != CW_USEDEFAULT) ? iX : 0;
rc.bottom = rc.top + iHeight;
rc.right = rc.left + iWidth;
AdjustWindowRectEx(&rc, dwStyle, FALSE, dwExStyle);
if (iY != CW_USEDEFAULT)
iY = rc.top;
if (iX != CW_USEDEFAULT)
iX = rc.left;
iHeight = rc.bottom - rc.top;
iWidth = rc.right - rc.left;
winDebug("winCreateWindowsWindow - %dx%d @ %dx%d\n", iWidth, iHeight, iX,
iY);
/* Create the window */
hWnd = CreateWindowExA(dwExStyle, /* Extended styles */
WINDOW_CLASS_X, /* Class name */
WINDOW_TITLE_X, /* Window name */
dwStyle, /* Styles */
iX, /* Horizontal position */
iY, /* Vertical position */
iWidth, /* Right edge */
iHeight, /* Bottom edge */
hFore, /* Null or Parent window if transient */
(HMENU) NULL, /* No menu */
GetModuleHandle(NULL), /* Instance handle */
pWin); /* ScreenPrivates */
if (hWnd == NULL) {
ErrorF("winCreateWindowsWindow - CreateWindowExA () failed: %d\n",
(int) GetLastError());
}
pWinPriv->hWnd = hWnd;
/* Change style back to popup, already placed... */
SetWindowLongPtr(hWnd, GWL_STYLE,
WS_POPUP | WS_CLIPCHILDREN | WS_CLIPSIBLINGS);
SetWindowPos(hWnd, 0, 0, 0, 0, 0,
SWP_FRAMECHANGED | SWP_NOZORDER | SWP_NOMOVE | SWP_NOSIZE |
SWP_NOACTIVATE);
/* Adjust the X window to match the window placement we actually got... */
winAdjustXWindow(pWin, hWnd);
/* Make sure it gets the proper system menu for a WS_POPUP, too */
GetSystemMenu(hWnd, TRUE);
/* Cause any .XWinrc menus to be added in main WNDPROC */
PostMessage(hWnd, WM_INIT_SYS_MENU, 0, 0);
SetProp(hWnd, WIN_WID_PROP, (HANDLE) (INT_PTR) winGetWindowID(pWin));
/* Flag that this Windows window handles its own activation */
SetProp(hWnd, WIN_NEEDMANAGE_PROP, (HANDLE) 0);
/* Call engine-specific create window procedure */
(*pScreenPriv->pwinFinishCreateWindowsWindow) (pWin);
}
Bool winInDestroyWindowsWindow = FALSE;
/*
* winDestroyWindowsWindow - Destroy a Windows window associated
* with an X window
*/
static void
winDestroyWindowsWindow(WindowPtr pWin)
{
MSG msg;
winWindowPriv(pWin);
BOOL oldstate = winInDestroyWindowsWindow;
HICON hIcon;
HICON hIconSm;
winDebug("winDestroyWindowsWindow - pWin:%08x XID:0x%x \n", pWin,
pWin->drawable.id);
/* Bail out if the Windows window handle is invalid */
if (pWinPriv->hWnd == NULL)
return;
winInDestroyWindowsWindow = TRUE;
/* Store the info we need to destroy after this window is gone */
hIcon = (HICON) SendMessage(pWinPriv->hWnd, WM_GETICON, ICON_BIG, 0);
hIconSm = (HICON) SendMessage(pWinPriv->hWnd, WM_GETICON, ICON_SMALL, 0);
/* Destroy the Windows window */
DestroyWindow(pWinPriv->hWnd);
/* Null our handle to the Window so referencing it will cause an error */
pWinPriv->hWnd = NULL;
/* Destroy any icons we created for this window */
winDestroyIcon(hIcon);
winDestroyIcon(hIconSm);
#ifdef XWIN_GLX_WINDOWS
/* No longer note WGL used on this window */
pWinPriv->fWglUsed = FALSE;
#endif
/* Process all messages on our queue */
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
if (g_hDlgDepthChange == 0 || !IsDialogMessage(g_hDlgDepthChange, &msg)) {
DispatchMessage(&msg);
}
}
winInDestroyWindowsWindow = oldstate;
winDebug("winDestroyWindowsWindow - done\n");
}
/*
* winUpdateWindowsWindow - Redisplay/redraw a Windows window
* associated with an X window
*/
static void
winUpdateWindowsWindow(WindowPtr pWin)
{
winWindowPriv(pWin);
HWND hWnd = pWinPriv->hWnd;
#if CYGMULTIWINDOW_DEBUG
ErrorF("winUpdateWindowsWindow\n");
#endif
/* Check if the Windows window's parents have been destroyed */
if (pWin->parent != NULL && pWin->parent->parent == NULL && pWin->mapped) {
/* Create the Windows window if it has been destroyed */
if (hWnd == NULL) {
winCreateWindowsWindow(pWin);
assert(pWinPriv->hWnd != NULL);
}
/* Display the window without activating it */
if (pWin->drawable.class != InputOnly)
ShowWindow(pWinPriv->hWnd, SW_SHOWNOACTIVATE);
/* Send first paint message */
UpdateWindow(pWinPriv->hWnd);
}
else if (hWnd != NULL) {
/* Destroy the Windows window if its parents are destroyed */
winDestroyWindowsWindow(pWin);
assert(pWinPriv->hWnd == NULL);
}
#if CYGMULTIWINDOW_DEBUG
ErrorF("-winUpdateWindowsWindow\n");
#endif
}
/*
* winGetWindowID -
*/
XID
winGetWindowID(WindowPtr pWin)
{
WindowIDPairRec wi = { pWin, 0 };
ClientPtr c = wClient(pWin);
/* */
FindClientResourcesByType(c, RT_WINDOW, winFindWindow, &wi);
#if CYGMULTIWINDOW_DEBUG
ErrorF("winGetWindowID - Window ID: %d\n", wi.id);
#endif
return wi.id;
}
/*
* winFindWindow -
*/
static void
winFindWindow(void *value, XID id, void *cdata)
{
WindowIDPairPtr wi = (WindowIDPairPtr) cdata;
if (value == wi->value) {
wi->id = id;
}
}
/*
* winReorderWindowsMultiWindow -
*/
void
winReorderWindowsMultiWindow(void)
{
HWND hwnd = NULL;
WindowPtr pWin = NULL;
WindowPtr pWinSib = NULL;
XID vlist[2];
static Bool fRestacking = FALSE; /* Avoid recusive calls to this function */
DWORD dwCurrentProcessID = GetCurrentProcessId();
DWORD dwWindowProcessID = 0;
#if CYGMULTIWINDOW_DEBUG || CYGWINDOWING_DEBUG
winTrace("winReorderWindowsMultiWindow\n");
#endif
if (fRestacking) {
/* It is a recusive call so immediately exit */
#if CYGWINDOWING_DEBUG
ErrorF("winReorderWindowsMultiWindow - "
"exit because fRestacking == TRUE\n");
#endif
return;
}
fRestacking = TRUE;
/* Loop through top level Window windows, descending in Z order */
for (hwnd = GetTopWindow(NULL);
hwnd; hwnd = GetNextWindow(hwnd, GW_HWNDNEXT)) {
/* Don't take care of other Cygwin/X process's windows */
GetWindowThreadProcessId(hwnd, &dwWindowProcessID);
if (GetProp(hwnd, WIN_WINDOW_PROP)
&& (dwWindowProcessID == dwCurrentProcessID)
&& !IsIconic(hwnd)) { /* ignore minimized windows */
pWinSib = pWin;
pWin = GetProp(hwnd, WIN_WINDOW_PROP);
if (!pWinSib) { /* 1st window - raise to the top */
vlist[0] = Above;
ConfigureWindow(pWin, CWStackMode, vlist, wClient(pWin));
}
else { /* 2nd or deeper windows - just below the previous one */
vlist[0] = winGetWindowID(pWinSib);
vlist[1] = Below;
ConfigureWindow(pWin, CWSibling | CWStackMode,
vlist, wClient(pWin));
}
}
}
fRestacking = FALSE;
}
/*
* winMinimizeWindow - Minimize in response to WM_CHANGE_STATE
*/
void
winMinimizeWindow(Window id)
{
WindowPtr pWin;
winPrivWinPtr pWinPriv;
#ifdef XWIN_MULTIWINDOWEXTWM
win32RootlessWindowPtr pRLWinPriv;
#endif
HWND hWnd;
ScreenPtr pScreen = NULL;
winPrivScreenPtr pScreenPriv = NULL;
#if CYGWINDOWING_DEBUG
ErrorF("winMinimizeWindow\n");
#endif
dixLookupResourceByType((void *) &pWin, id, RT_WINDOW, NullClient,
DixUnknownAccess);
if (!pWin) {
ErrorF("%s: NULL pWin. Leaving\n", __FUNCTION__);
return;
}
pScreen = pWin->drawable.pScreen;
if (pScreen)
pScreenPriv = winGetScreenPriv(pScreen);
#ifdef XWIN_MULTIWINDOWEXTWM
if (pScreenPriv && pScreenPriv->pScreenInfo->fInternalWM) {
pRLWinPriv =
(win32RootlessWindowPtr) RootlessFrameForWindow(pWin, FALSE);
hWnd = pRLWinPriv->hWnd;
}
else
#else
if (pScreenPriv)
#endif
{
pWinPriv = winGetWindowPriv(pWin);
hWnd = pWinPriv->hWnd;
}
ShowWindow(hWnd, SW_MINIMIZE);
}
/*
* CopyWindow - See Porting Layer Definition - p. 39
*/
void
winCopyWindowMultiWindow(WindowPtr pWin, DDXPointRec oldpt, RegionPtr oldRegion)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
winScreenPriv(pScreen);
#if CYGWINDOWING_DEBUG
ErrorF("CopyWindowMultiWindow\n");
#endif
WIN_UNWRAP(CopyWindow);
(*pScreen->CopyWindow) (pWin, oldpt, oldRegion);
WIN_WRAP(CopyWindow, winCopyWindowMultiWindow);
}
/*
* MoveWindow - See Porting Layer Definition - p. 42
*/
void
winMoveWindowMultiWindow(WindowPtr pWin, int x, int y,
WindowPtr pSib, VTKind kind)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
winScreenPriv(pScreen);
#if CYGWINDOWING_DEBUG
ErrorF("MoveWindowMultiWindow to (%d, %d)\n", x, y);
#endif
WIN_UNWRAP(MoveWindow);
(*pScreen->MoveWindow) (pWin, x, y, pSib, kind);
WIN_WRAP(MoveWindow, winMoveWindowMultiWindow);
}
/*
* ResizeWindow - See Porting Layer Definition - p. 42
*/
void
winResizeWindowMultiWindow(WindowPtr pWin, int x, int y, unsigned int w,
unsigned int h, WindowPtr pSib)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
winScreenPriv(pScreen);
#if CYGWINDOWING_DEBUG
ErrorF("ResizeWindowMultiWindow to (%d, %d) - %dx%d\n", x, y, w, h);
#endif
WIN_UNWRAP(ResizeWindow);
(*pScreen->ResizeWindow) (pWin, x, y, w, h, pSib);
WIN_WRAP(ResizeWindow, winResizeWindowMultiWindow);
}
/*
* winAdjustXWindow
*
* Move and resize X window with respect to corresponding Windows window.
* This is called from WM_MOVE/WM_SIZE handlers when the user performs
* any windowing operation (move, resize, minimize, maximize, restore).
*
* The functionality is the inverse of winPositionWindowMultiWindow, which
* adjusts Windows window with respect to X window.
*/
int
winAdjustXWindow(WindowPtr pWin, HWND hwnd)
{
RECT rcDraw; /* Rect made from pWin->drawable to be adjusted */
RECT rcWin; /* The source: WindowRect from hwnd */
DrawablePtr pDraw;
XID vlist[4];
LONG dX, dY, dW, dH, x, y;
DWORD dwStyle, dwExStyle;
#define WIDTH(rc) (rc.right - rc.left)
#define HEIGHT(rc) (rc.bottom - rc.top)
#if CYGWINDOWING_DEBUG
ErrorF("winAdjustXWindow\n");
#endif
if (IsIconic(hwnd)) {
#if CYGWINDOWING_DEBUG
ErrorF("\timmediately return because the window is iconized\n");
#endif
/*
* If the Windows window is minimized, its WindowRect has
* meaningless values so we don't adjust X window to it.
*/
vlist[0] = 0;
vlist[1] = 0;
return ConfigureWindow(pWin, CWX | CWY, vlist, wClient(pWin));
}
pDraw = &pWin->drawable;
/* Calculate the window rect from the drawable */
x = pDraw->x + GetSystemMetrics(SM_XVIRTUALSCREEN);
y = pDraw->y + GetSystemMetrics(SM_YVIRTUALSCREEN);
SetRect(&rcDraw, x, y, x + pDraw->width, y + pDraw->height);
#ifdef CYGMULTIWINDOW_DEBUG
winDebug("\tDrawable extend {%d, %d, %d, %d}, {%d, %d}\n",
rcDraw.left, rcDraw.top, rcDraw.right, rcDraw.bottom,
rcDraw.right - rcDraw.left, rcDraw.bottom - rcDraw.top);
#endif
dwExStyle = GetWindowLongPtr(hwnd, GWL_EXSTYLE);
dwStyle = GetWindowLongPtr(hwnd, GWL_STYLE);
#ifdef CYGMULTIWINDOW_DEBUG
winDebug("\tWindowStyle: %08x %08x\n", dwStyle, dwExStyle);
#endif
AdjustWindowRectEx(&rcDraw, dwStyle, FALSE, dwExStyle);
/* The source of adjust */
GetWindowRect(hwnd, &rcWin);
#ifdef CYGMULTIWINDOW_DEBUG
winDebug("\tWindow extend {%d, %d, %d, %d}, {%d, %d}\n",
rcWin.left, rcWin.top, rcWin.right, rcWin.bottom,
rcWin.right - rcWin.left, rcWin.bottom - rcWin.top);
winDebug("\tDraw extend {%d, %d, %d, %d}, {%d, %d}\n",
rcDraw.left, rcDraw.top, rcDraw.right, rcDraw.bottom,
rcDraw.right - rcDraw.left, rcDraw.bottom - rcDraw.top);
#endif
if (EqualRect(&rcDraw, &rcWin)) {
/* Bail if no adjust is needed */
#if CYGWINDOWING_DEBUG
ErrorF("\treturn because already adjusted\n");
#endif
return 0;
}
/* Calculate delta values */
dX = rcWin.left - rcDraw.left;
dY = rcWin.top - rcDraw.top;
dW = WIDTH(rcWin) - WIDTH(rcDraw);
dH = HEIGHT(rcWin) - HEIGHT(rcDraw);
/*
* Adjust.
* We may only need to move (vlist[0] and [1]), or only resize
* ([2] and [3]) but currently we set all the parameters and leave
* the decision to ConfigureWindow. The reason is code simplicity.
*/
vlist[0] = pDraw->x + dX - wBorderWidth(pWin);
vlist[1] = pDraw->y + dY - wBorderWidth(pWin);
vlist[2] = pDraw->width + dW;
vlist[3] = pDraw->height + dH;
#if CYGWINDOWING_DEBUG
ErrorF("\tConfigureWindow to (%ld, %ld) - %ldx%ld\n", vlist[0], vlist[1],
vlist[2], vlist[3]);
#endif
return ConfigureWindow(pWin, CWX | CWY | CWWidth | CWHeight,
vlist, wClient(pWin));
#undef WIDTH
#undef HEIGHT
}
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