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1251 lines
41 KiB
C
1251 lines
41 KiB
C
/*
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*Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
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*Copyright (C) Colin Harrison 2005-2008
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*
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*Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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*"Software"), to deal in the Software without restriction, including
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*without limitation the rights to use, copy, modify, merge, publish,
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*distribute, sublicense, and/or sell copies of the Software, and to
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*permit persons to whom the Software is furnished to do so, subject to
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*the following conditions:
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*
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*The above copyright notice and this permission notice shall be
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*included in all copies or substantial portions of the Software.
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*
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*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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*EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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*MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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*NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
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*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*Except as contained in this notice, the name of the XFree86 Project
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*shall not be used in advertising or otherwise to promote the sale, use
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*or other dealings in this Software without prior written authorization
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*from the XFree86 Project.
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*
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* Authors: Kensuke Matsuzaki
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* Earle F. Philhower, III
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* Harold L Hunt II
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* Colin Harrison
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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 "dixevents.h"
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#include "winmultiwindowclass.h"
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#include "winprefs.h"
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#include "winmsg.h"
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#include "inputstr.h"
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#include <dwmapi.h>
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#ifndef WM_DWMCOMPOSITIONCHANGED
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#define WM_DWMCOMPOSITIONCHANGED 0x031e
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#endif
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extern void winUpdateWindowPosition(HWND hWnd, HWND * zstyle);
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/*
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* Local globals
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*/
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static UINT_PTR g_uipMousePollingTimerID = 0;
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/*
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* Constant defines
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*/
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#define WIN_MULTIWINDOW_SHAPE YES
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/*
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* ConstrainSize - Taken from TWM sources - Respects hints for sizing
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*/
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#define makemult(a,b) ((b==1) ? (a) : (((int)((a)/(b))) * (b)) )
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static void
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ConstrainSize(WinXSizeHints hints, int *widthp, int *heightp)
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{
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int minWidth, minHeight, maxWidth, maxHeight, xinc, yinc, delta;
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int baseWidth, baseHeight;
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int dwidth = *widthp, dheight = *heightp;
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if (hints.flags & PMinSize) {
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minWidth = hints.min_width;
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minHeight = hints.min_height;
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}
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else if (hints.flags & PBaseSize) {
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minWidth = hints.base_width;
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minHeight = hints.base_height;
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}
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else
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minWidth = minHeight = 1;
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if (hints.flags & PBaseSize) {
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baseWidth = hints.base_width;
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baseHeight = hints.base_height;
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}
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else if (hints.flags & PMinSize) {
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baseWidth = hints.min_width;
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baseHeight = hints.min_height;
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}
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else
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baseWidth = baseHeight = 0;
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if (hints.flags & PMaxSize) {
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maxWidth = hints.max_width;
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maxHeight = hints.max_height;
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}
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else {
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maxWidth = MAXINT;
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maxHeight = MAXINT;
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}
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if (hints.flags & PResizeInc) {
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xinc = hints.width_inc;
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yinc = hints.height_inc;
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}
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else
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xinc = yinc = 1;
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/*
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* First, clamp to min and max values
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*/
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if (dwidth < minWidth)
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dwidth = minWidth;
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if (dheight < minHeight)
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dheight = minHeight;
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if (dwidth > maxWidth)
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dwidth = maxWidth;
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if (dheight > maxHeight)
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dheight = maxHeight;
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/*
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* Second, fit to base + N * inc
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*/
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dwidth = ((dwidth - baseWidth) / xinc * xinc) + baseWidth;
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dheight = ((dheight - baseHeight) / yinc * yinc) + baseHeight;
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/*
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* Third, adjust for aspect ratio
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*/
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/*
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* The math looks like this:
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*
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* minAspectX dwidth maxAspectX
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* ---------- <= ------- <= ----------
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* minAspectY dheight maxAspectY
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*
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* If that is multiplied out, then the width and height are
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* invalid in the following situations:
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*
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* minAspectX * dheight > minAspectY * dwidth
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* maxAspectX * dheight < maxAspectY * dwidth
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*
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*/
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if (hints.flags & PAspect) {
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if (hints.min_aspect.x * dheight > hints.min_aspect.y * dwidth) {
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delta =
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makemult(hints.min_aspect.x * dheight / hints.min_aspect.y -
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dwidth, xinc);
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if (dwidth + delta <= maxWidth)
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dwidth += delta;
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else {
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delta =
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makemult(dheight -
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dwidth * hints.min_aspect.y / hints.min_aspect.x,
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yinc);
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if (dheight - delta >= minHeight)
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dheight -= delta;
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}
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}
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if (hints.max_aspect.x * dheight < hints.max_aspect.y * dwidth) {
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delta =
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makemult(dwidth * hints.max_aspect.y / hints.max_aspect.x -
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dheight, yinc);
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if (dheight + delta <= maxHeight)
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dheight += delta;
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else {
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delta =
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makemult(dwidth -
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hints.max_aspect.x * dheight / hints.max_aspect.y,
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xinc);
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if (dwidth - delta >= minWidth)
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dwidth -= delta;
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}
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}
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}
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/* Return computed values */
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*widthp = dwidth;
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*heightp = dheight;
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}
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#undef makemult
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/*
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* ValidateSizing - Ensures size request respects hints
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*/
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static int
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ValidateSizing(HWND hwnd, WindowPtr pWin, WPARAM wParam, LPARAM lParam)
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{
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WinXSizeHints sizeHints;
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RECT *rect;
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int iWidth, iHeight;
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RECT rcClient, rcWindow;
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int iBorderWidthX, iBorderWidthY;
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/* Invalid input checking */
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if (pWin == NULL || lParam == 0)
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return FALSE;
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/* No size hints, no checking */
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if (!winMultiWindowGetWMNormalHints(pWin, &sizeHints))
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return FALSE;
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/* Avoid divide-by-zero */
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if (sizeHints.flags & PResizeInc) {
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if (sizeHints.width_inc == 0)
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sizeHints.width_inc = 1;
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if (sizeHints.height_inc == 0)
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sizeHints.height_inc = 1;
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}
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rect = (RECT *) lParam;
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iWidth = rect->right - rect->left;
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iHeight = rect->bottom - rect->top;
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/* Now remove size of any borders and title bar */
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GetClientRect(hwnd, &rcClient);
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GetWindowRect(hwnd, &rcWindow);
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iBorderWidthX =
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(rcWindow.right - rcWindow.left) - (rcClient.right - rcClient.left);
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iBorderWidthY =
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(rcWindow.bottom - rcWindow.top) - (rcClient.bottom - rcClient.top);
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iWidth -= iBorderWidthX;
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iHeight -= iBorderWidthY;
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/* Constrain the size to legal values */
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ConstrainSize(sizeHints, &iWidth, &iHeight);
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/* Add back the size of borders and title bar */
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iWidth += iBorderWidthX;
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iHeight += iBorderWidthY;
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/* Adjust size according to where we're dragging from */
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switch (wParam) {
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case WMSZ_TOP:
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case WMSZ_TOPRIGHT:
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case WMSZ_BOTTOM:
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case WMSZ_BOTTOMRIGHT:
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case WMSZ_RIGHT:
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rect->right = rect->left + iWidth;
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break;
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default:
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rect->left = rect->right - iWidth;
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break;
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}
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switch (wParam) {
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case WMSZ_BOTTOM:
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case WMSZ_BOTTOMRIGHT:
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case WMSZ_BOTTOMLEFT:
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case WMSZ_RIGHT:
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case WMSZ_LEFT:
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rect->bottom = rect->top + iHeight;
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break;
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default:
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rect->top = rect->bottom - iHeight;
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break;
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}
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return TRUE;
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}
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extern Bool winInDestroyWindowsWindow;
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static Bool winInRaiseWindow = FALSE;
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static void
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winRaiseWindow(WindowPtr pWin)
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{
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if (!winInDestroyWindowsWindow && !winInRaiseWindow) {
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BOOL oldstate = winInRaiseWindow;
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XID vlist[1] = { 0 };
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winInRaiseWindow = TRUE;
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/* Call configure window directly to make sure it gets processed
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* in time
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*/
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ConfigureWindow(pWin, CWStackMode, vlist, serverClient);
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winInRaiseWindow = oldstate;
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}
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}
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static
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void
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winStartMousePolling(winPrivScreenPtr s_pScreenPriv)
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{
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/*
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* Timer to poll mouse position. This is needed to make
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* programs like xeyes follow the mouse properly when the
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* mouse pointer is outside of any X window.
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*/
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if (g_uipMousePollingTimerID == 0)
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g_uipMousePollingTimerID = SetTimer(s_pScreenPriv->hwndScreen,
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WIN_POLLING_MOUSE_TIMER_ID,
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MOUSE_POLLING_INTERVAL, NULL);
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}
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/* Undocumented */
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typedef struct _ACCENTPOLICY
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{
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ULONG AccentState;
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ULONG AccentFlags;
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ULONG GradientColor;
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ULONG AnimationId;
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} ACCENTPOLICY;
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#define ACCENT_ENABLE_BLURBEHIND 3
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typedef struct _WINCOMPATTR
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{
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DWORD attribute;
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PVOID pData;
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ULONG dataSize;
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} WINCOMPATTR;
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#define WCA_ACCENT_POLICY 19
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typedef WINBOOL WINAPI (*PFNSETWINDOWCOMPOSITIONATTRIBUTE)(HWND, WINCOMPATTR *);
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static void
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CheckForAlpha(HWND hWnd, WindowPtr pWin, winScreenInfo *pScreenInfo)
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{
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/* Check (once) which API we should use */
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static Bool doOnce = TRUE;
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static PFNSETWINDOWCOMPOSITIONATTRIBUTE pSetWindowCompositionAttribute = NULL;
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static Bool useDwmEnableBlurBehindWindow = FALSE;
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if (doOnce)
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{
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OSVERSIONINFOEX osvi = {0};
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osvi.dwOSVersionInfoSize = sizeof(osvi);
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GetVersionEx((LPOSVERSIONINFO)&osvi);
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/* SetWindowCompositionAttribute() exists on Windows 7 and later,
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but doesn't work for this purpose, so first check for Windows 10
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or later */
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if (osvi.dwMajorVersion >= 10)
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{
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HMODULE hUser32 = GetModuleHandle("user32");
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if (hUser32)
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pSetWindowCompositionAttribute = (PFNSETWINDOWCOMPOSITIONATTRIBUTE) GetProcAddress(hUser32, "SetWindowCompositionAttribute");
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winDebug("SetWindowCompositionAttribute %s\n", pSetWindowCompositionAttribute ? "found" : "not found");
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}
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/* On Windows 7 and Windows Vista, use DwmEnableBlurBehindWindow() */
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else if ((osvi.dwMajorVersion == 6) && (osvi.dwMinorVersion <= 1))
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{
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useDwmEnableBlurBehindWindow = TRUE;
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}
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/* On Windows 8 and Windows 8.1, using the alpha channel on those
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seems near impossible, so we don't do anything. */
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doOnce = FALSE;
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}
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/* alpha-channel use is wanted */
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if (!g_fCompositeAlpha || !pScreenInfo->fCompositeWM)
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return;
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/* Image has alpha ... */
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if (pWin->drawable.depth != 32)
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return;
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/* ... and we can do something useful with it? */
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if (pSetWindowCompositionAttribute)
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{
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WINBOOL rc;
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/* Use the (undocumented) SetWindowCompositionAttribute, if
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available, to turn on alpha channel use on Windows 10. */
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ACCENTPOLICY policy = { ACCENT_ENABLE_BLURBEHIND, 0, 0, 0 } ;
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WINCOMPATTR data = { WCA_ACCENT_POLICY, &policy, sizeof(ACCENTPOLICY) };
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/* This turns on DWM looking at the alpha-channel of this window */
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winDebug("enabling alpha for XID %08x hWnd %p, using SetWindowCompositionAttribute()\n", (unsigned int)pWin->drawable.id, hWnd);
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rc = pSetWindowCompositionAttribute(hWnd, &data);
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if (!rc)
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ErrorF("SetWindowCompositionAttribute failed: %d\n", (int)GetLastError());
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}
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else if (useDwmEnableBlurBehindWindow)
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{
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HRESULT rc;
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WINBOOL enabled;
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rc = DwmIsCompositionEnabled(&enabled);
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if ((rc == S_OK) && enabled)
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{
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/* Use DwmEnableBlurBehindWindow, to turn on alpha channel
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use on Windows Vista and Windows 7 */
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DWM_BLURBEHIND bbh;
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bbh.dwFlags = DWM_BB_ENABLE | DWM_BB_BLURREGION | DWM_BB_TRANSITIONONMAXIMIZED;
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bbh.fEnable = TRUE;
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bbh.hRgnBlur = NULL;
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bbh.fTransitionOnMaximized = TRUE; /* What does this do ??? */
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/* This terribly-named function actually controls if DWM
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looks at the alpha channel of this window */
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winDebug("enabling alpha for XID %08x hWnd %p, using DwmEnableBlurBehindWindow()\n", (unsigned int)pWin->drawable.id, hWnd);
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rc = DwmEnableBlurBehindWindow(hWnd, &bbh);
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if (rc != S_OK)
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ErrorF("DwmEnableBlurBehindWindow failed: %x, %d\n", (int)rc, (int)GetLastError());
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}
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}
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}
|
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|
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/*
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* winTopLevelWindowProc - Window procedure for all top-level Windows windows.
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*/
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LRESULT CALLBACK
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winTopLevelWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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POINT ptMouse;
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PAINTSTRUCT ps;
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WindowPtr pWin = NULL;
|
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winPrivWinPtr pWinPriv = NULL;
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ScreenPtr s_pScreen = NULL;
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winPrivScreenPtr s_pScreenPriv = NULL;
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winScreenInfo *s_pScreenInfo = NULL;
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HWND hwndScreen = NULL;
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DrawablePtr pDraw = NULL;
|
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winWMMessageRec wmMsg;
|
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Bool fWMMsgInitialized = FALSE;
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static Bool s_fTracking = FALSE;
|
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Bool needRestack = FALSE;
|
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LRESULT ret;
|
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static Bool hasEnteredSizeMove = FALSE;
|
|
|
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#if CYGDEBUG
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winDebugWin32Message("winTopLevelWindowProc", hwnd, message, wParam,
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lParam);
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#endif
|
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|
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/*
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If this is WM_CREATE, set up the Windows window properties which point to
|
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X window information, before we populate local convenience variables...
|
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*/
|
|
if (message == WM_CREATE) {
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SetProp(hwnd,
|
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WIN_WINDOW_PROP,
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(HANDLE) ((LPCREATESTRUCT) lParam)->lpCreateParams);
|
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SetProp(hwnd,
|
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WIN_WID_PROP,
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(HANDLE) (INT_PTR)winGetWindowID(((LPCREATESTRUCT) lParam)->
|
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lpCreateParams));
|
|
}
|
|
|
|
/* Check if the Windows window property for our X window pointer is valid */
|
|
if ((pWin = GetProp(hwnd, WIN_WINDOW_PROP)) != NULL) {
|
|
/* Our X window pointer is valid */
|
|
|
|
/* Get pointers to the drawable and the screen */
|
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pDraw = &pWin->drawable;
|
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s_pScreen = pWin->drawable.pScreen;
|
|
|
|
/* Get a pointer to our window privates */
|
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pWinPriv = winGetWindowPriv(pWin);
|
|
|
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/* Get pointers to our screen privates and screen info */
|
|
s_pScreenPriv = pWinPriv->pScreenPriv;
|
|
s_pScreenInfo = s_pScreenPriv->pScreenInfo;
|
|
|
|
/* Get the handle for our screen-sized window */
|
|
hwndScreen = s_pScreenPriv->hwndScreen;
|
|
|
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/* */
|
|
wmMsg.msg = 0;
|
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wmMsg.hwndWindow = hwnd;
|
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wmMsg.iWindow = (Window) (INT_PTR) GetProp(hwnd, WIN_WID_PROP);
|
|
|
|
wmMsg.iX = pDraw->x;
|
|
wmMsg.iY = pDraw->y;
|
|
wmMsg.iWidth = pDraw->width;
|
|
wmMsg.iHeight = pDraw->height;
|
|
|
|
fWMMsgInitialized = TRUE;
|
|
|
|
#if 0
|
|
/*
|
|
* Print some debugging information
|
|
*/
|
|
|
|
ErrorF("hWnd %08X\n", hwnd);
|
|
ErrorF("pWin %08X\n", pWin);
|
|
ErrorF("pDraw %08X\n", pDraw);
|
|
ErrorF("\ttype %08X\n", pWin->drawable.type);
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|
ErrorF("\tclass %08X\n", pWin->drawable.class);
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|
ErrorF("\tdepth %08X\n", pWin->drawable.depth);
|
|
ErrorF("\tbitsPerPixel %08X\n", pWin->drawable.bitsPerPixel);
|
|
ErrorF("\tid %08X\n", pWin->drawable.id);
|
|
ErrorF("\tx %08X\n", pWin->drawable.x);
|
|
ErrorF("\ty %08X\n", pWin->drawable.y);
|
|
ErrorF("\twidth %08X\n", pWin->drawable.width);
|
|
ErrorF("\thenght %08X\n", pWin->drawable.height);
|
|
ErrorF("\tpScreen %08X\n", pWin->drawable.pScreen);
|
|
ErrorF("\tserialNumber %08X\n", pWin->drawable.serialNumber);
|
|
ErrorF("g_iWindowPrivateKey %p\n", g_iWindowPrivateKey);
|
|
ErrorF("pWinPriv %08X\n", pWinPriv);
|
|
ErrorF("s_pScreenPriv %08X\n", s_pScreenPriv);
|
|
ErrorF("s_pScreenInfo %08X\n", s_pScreenInfo);
|
|
ErrorF("hwndScreen %08X\n", hwndScreen);
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|
#endif
|
|
}
|
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|
|
/* Branch on message type */
|
|
switch (message) {
|
|
case WM_CREATE:
|
|
/*
|
|
* Make X windows' Z orders sync with Windows windows because
|
|
* there can be AlwaysOnTop windows overlapped on the window
|
|
* currently being created.
|
|
*/
|
|
winReorderWindowsMultiWindow();
|
|
|
|
/* Fix a 'round title bar corner background should be transparent not black' problem when first painted */
|
|
{
|
|
RECT rWindow;
|
|
HRGN hRgnWindow;
|
|
|
|
GetWindowRect(hwnd, &rWindow);
|
|
hRgnWindow = CreateRectRgnIndirect(&rWindow);
|
|
SetWindowRgn(hwnd, hRgnWindow, TRUE);
|
|
DeleteObject(hRgnWindow);
|
|
}
|
|
|
|
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR) XMING_SIGNATURE);
|
|
|
|
CheckForAlpha(hwnd, pWin, s_pScreenInfo);
|
|
|
|
return 0;
|
|
|
|
case WM_INIT_SYS_MENU:
|
|
/*
|
|
* Add whatever the setup file wants to for this window
|
|
*/
|
|
SetupSysMenu(hwnd);
|
|
return 0;
|
|
|
|
case WM_SYSCOMMAND:
|
|
/*
|
|
* Any window menu items go through here
|
|
*/
|
|
if (HandleCustomWM_COMMAND(hwnd, LOWORD(wParam), s_pScreenPriv)) {
|
|
/* Don't pass customized menus to DefWindowProc */
|
|
return 0;
|
|
}
|
|
if (wParam == SC_RESTORE || wParam == SC_MAXIMIZE) {
|
|
WINDOWPLACEMENT wndpl;
|
|
|
|
wndpl.length = sizeof(wndpl);
|
|
if (GetWindowPlacement(hwnd, &wndpl) &&
|
|
wndpl.showCmd == SW_SHOWMINIMIZED)
|
|
needRestack = TRUE;
|
|
}
|
|
break;
|
|
|
|
case WM_INITMENU:
|
|
/* Checks/Unchecks any menu items before they are displayed */
|
|
HandleCustomWM_INITMENU(hwnd, (HMENU)wParam);
|
|
break;
|
|
|
|
case WM_ERASEBKGND:
|
|
/*
|
|
* Pretend that we did erase the background but we don't care,
|
|
* since we repaint the entire region anyhow
|
|
* This avoids some flickering when resizing.
|
|
*/
|
|
return TRUE;
|
|
|
|
case WM_PAINT:
|
|
/* Only paint if our window handle is valid */
|
|
if (hwnd == NULL)
|
|
break;
|
|
|
|
#ifdef XWIN_GLX_WINDOWS
|
|
if (pWinPriv->fWglUsed) {
|
|
/*
|
|
For regions which are being drawn by GL, the shadow framebuffer doesn't have the
|
|
correct bits, so don't bitblt from the shadow framebuffer
|
|
|
|
XXX: For now, just leave it alone, but ideally we want to send an expose event to
|
|
the window so it really redraws the affected region...
|
|
*/
|
|
BeginPaint(hwnd, &ps);
|
|
ValidateRect(hwnd, &(ps.rcPaint));
|
|
EndPaint(hwnd, &ps);
|
|
}
|
|
else
|
|
#endif
|
|
/* Call the engine dependent repainter */
|
|
if (*s_pScreenPriv->pwinBltExposedWindowRegion)
|
|
(*s_pScreenPriv->pwinBltExposedWindowRegion) (s_pScreen, pWin);
|
|
|
|
return 0;
|
|
|
|
case WM_MOUSEMOVE:
|
|
/* Unpack the client area mouse coordinates */
|
|
ptMouse.x = GET_X_LPARAM(lParam);
|
|
ptMouse.y = GET_Y_LPARAM(lParam);
|
|
|
|
/* Translate the client area mouse coordinates to screen coordinates */
|
|
ClientToScreen(hwnd, &ptMouse);
|
|
|
|
/* Screen Coords from (-X, -Y) -> Root Window (0, 0) */
|
|
ptMouse.x -= GetSystemMetrics(SM_XVIRTUALSCREEN);
|
|
ptMouse.y -= GetSystemMetrics(SM_YVIRTUALSCREEN);
|
|
|
|
/* We can't do anything without privates */
|
|
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
|
|
break;
|
|
|
|
/* Has the mouse pointer crossed screens? */
|
|
if (s_pScreen != miPointerGetScreen(g_pwinPointer))
|
|
miPointerSetScreen(g_pwinPointer, s_pScreenInfo->dwScreen,
|
|
ptMouse.x - s_pScreenInfo->dwXOffset,
|
|
ptMouse.y - s_pScreenInfo->dwYOffset);
|
|
|
|
/* Are we tracking yet? */
|
|
if (!s_fTracking) {
|
|
TRACKMOUSEEVENT tme;
|
|
|
|
/* Setup data structure */
|
|
ZeroMemory(&tme, sizeof(tme));
|
|
tme.cbSize = sizeof(tme);
|
|
tme.dwFlags = TME_LEAVE;
|
|
tme.hwndTrack = hwnd;
|
|
|
|
/* Call the tracking function */
|
|
if (!TrackMouseEvent(&tme))
|
|
ErrorF("winTopLevelWindowProc - TrackMouseEvent failed\n");
|
|
|
|
/* Flag that we are tracking now */
|
|
s_fTracking = TRUE;
|
|
}
|
|
|
|
/* Hide or show the Windows mouse cursor */
|
|
if (g_fSoftwareCursor && g_fCursor) {
|
|
/* Hide Windows cursor */
|
|
g_fCursor = FALSE;
|
|
ShowCursor(FALSE);
|
|
}
|
|
|
|
/* Kill the timer used to poll mouse events */
|
|
if (g_uipMousePollingTimerID != 0) {
|
|
KillTimer(s_pScreenPriv->hwndScreen, WIN_POLLING_MOUSE_TIMER_ID);
|
|
g_uipMousePollingTimerID = 0;
|
|
}
|
|
|
|
/* Deliver absolute cursor position to X Server */
|
|
winEnqueueMotion(ptMouse.x - s_pScreenInfo->dwXOffset,
|
|
ptMouse.y - s_pScreenInfo->dwYOffset);
|
|
|
|
return 0;
|
|
|
|
case WM_NCMOUSEMOVE:
|
|
/*
|
|
* We break instead of returning 0 since we need to call
|
|
* DefWindowProc to get the mouse cursor changes
|
|
* and min/max/close button highlighting in Windows XP.
|
|
* The Platform SDK says that you should return 0 if you
|
|
* process this message, but it fails to mention that you
|
|
* will give up any default functionality if you do return 0.
|
|
*/
|
|
|
|
/* We can't do anything without privates */
|
|
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
|
|
break;
|
|
|
|
/* Non-client mouse movement, show Windows cursor */
|
|
if (g_fSoftwareCursor && !g_fCursor) {
|
|
g_fCursor = TRUE;
|
|
ShowCursor(TRUE);
|
|
}
|
|
|
|
winStartMousePolling(s_pScreenPriv);
|
|
|
|
break;
|
|
|
|
case WM_MOUSELEAVE:
|
|
/* Mouse has left our client area */
|
|
|
|
/* Flag that we are no longer tracking */
|
|
s_fTracking = FALSE;
|
|
|
|
/* Show the mouse cursor, if necessary */
|
|
if (g_fSoftwareCursor && !g_fCursor) {
|
|
g_fCursor = TRUE;
|
|
ShowCursor(TRUE);
|
|
}
|
|
|
|
winStartMousePolling(s_pScreenPriv);
|
|
|
|
return 0;
|
|
|
|
case WM_LBUTTONDBLCLK:
|
|
case WM_LBUTTONDOWN:
|
|
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
|
|
break;
|
|
g_fButton[0] = TRUE;
|
|
SetCapture(hwnd);
|
|
return winMouseButtonsHandle(s_pScreen, ButtonPress, Button1, wParam);
|
|
|
|
case WM_LBUTTONUP:
|
|
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
|
|
break;
|
|
g_fButton[0] = FALSE;
|
|
ReleaseCapture();
|
|
winStartMousePolling(s_pScreenPriv);
|
|
return winMouseButtonsHandle(s_pScreen, ButtonRelease, Button1, wParam);
|
|
|
|
case WM_MBUTTONDBLCLK:
|
|
case WM_MBUTTONDOWN:
|
|
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
|
|
break;
|
|
g_fButton[1] = TRUE;
|
|
SetCapture(hwnd);
|
|
return winMouseButtonsHandle(s_pScreen, ButtonPress, Button2, wParam);
|
|
|
|
case WM_MBUTTONUP:
|
|
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
|
|
break;
|
|
g_fButton[1] = FALSE;
|
|
ReleaseCapture();
|
|
winStartMousePolling(s_pScreenPriv);
|
|
return winMouseButtonsHandle(s_pScreen, ButtonRelease, Button2, wParam);
|
|
|
|
case WM_RBUTTONDBLCLK:
|
|
case WM_RBUTTONDOWN:
|
|
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
|
|
break;
|
|
g_fButton[2] = TRUE;
|
|
SetCapture(hwnd);
|
|
return winMouseButtonsHandle(s_pScreen, ButtonPress, Button3, wParam);
|
|
|
|
case WM_RBUTTONUP:
|
|
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
|
|
break;
|
|
g_fButton[2] = FALSE;
|
|
ReleaseCapture();
|
|
winStartMousePolling(s_pScreenPriv);
|
|
return winMouseButtonsHandle(s_pScreen, ButtonRelease, Button3, wParam);
|
|
|
|
case WM_XBUTTONDBLCLK:
|
|
case WM_XBUTTONDOWN:
|
|
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
|
|
break;
|
|
SetCapture(hwnd);
|
|
return winMouseButtonsHandle(s_pScreen, ButtonPress, HIWORD(wParam) + 7,
|
|
wParam);
|
|
|
|
case WM_XBUTTONUP:
|
|
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
|
|
break;
|
|
ReleaseCapture();
|
|
winStartMousePolling(s_pScreenPriv);
|
|
return winMouseButtonsHandle(s_pScreen, ButtonRelease,
|
|
HIWORD(wParam) + 7, wParam);
|
|
|
|
case WM_MOUSEWHEEL:
|
|
if (SendMessage
|
|
(hwnd, WM_NCHITTEST, 0,
|
|
MAKELONG(GET_X_LPARAM(lParam),
|
|
GET_Y_LPARAM(lParam))) == HTCLIENT) {
|
|
/* Pass the message to the root window */
|
|
SendMessage(hwndScreen, message, wParam, lParam);
|
|
return 0;
|
|
}
|
|
else
|
|
break;
|
|
|
|
case WM_MOUSEHWHEEL:
|
|
if (SendMessage
|
|
(hwnd, WM_NCHITTEST, 0,
|
|
MAKELONG(GET_X_LPARAM(lParam),
|
|
GET_Y_LPARAM(lParam))) == HTCLIENT) {
|
|
/* Pass the message to the root window */
|
|
SendMessage(hwndScreen, message, wParam, lParam);
|
|
return 0;
|
|
}
|
|
else
|
|
break;
|
|
|
|
case WM_SETFOCUS:
|
|
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
|
|
break;
|
|
|
|
{
|
|
/* Get the parent window for transient handling */
|
|
HWND hParent = GetParent(hwnd);
|
|
|
|
if (hParent && IsIconic(hParent))
|
|
ShowWindow(hParent, SW_RESTORE);
|
|
}
|
|
|
|
winRestoreModeKeyStates();
|
|
|
|
/* Add the keyboard hook if possible */
|
|
if (g_fKeyboardHookLL)
|
|
g_fKeyboardHookLL = winInstallKeyboardHookLL();
|
|
return 0;
|
|
|
|
case WM_KILLFOCUS:
|
|
/* Pop any pressed keys since we are losing keyboard focus */
|
|
winKeybdReleaseKeys();
|
|
|
|
/* Remove our keyboard hook if it is installed */
|
|
winRemoveKeyboardHookLL();
|
|
|
|
/* Revert the X focus as well, but only if the Windows focus is going to another window */
|
|
if (!wParam && pWin)
|
|
DeleteWindowFromAnyEvents(pWin, FALSE);
|
|
|
|
return 0;
|
|
|
|
case WM_SYSDEADCHAR:
|
|
case WM_DEADCHAR:
|
|
/*
|
|
* NOTE: We do nothing with WM_*CHAR messages,
|
|
* nor does the root window, so we can just toss these messages.
|
|
*/
|
|
return 0;
|
|
|
|
case WM_SYSKEYDOWN:
|
|
case WM_KEYDOWN:
|
|
|
|
/*
|
|
* Don't pass Alt-F4 key combo to root window,
|
|
* let Windows translate to WM_CLOSE and close this top-level window.
|
|
*
|
|
* NOTE: We purposely don't check the fUseWinKillKey setting because
|
|
* it should only apply to the key handling for the root window,
|
|
* not for top-level window-manager windows.
|
|
*
|
|
* ALSO NOTE: We do pass Ctrl-Alt-Backspace to the root window
|
|
* because that is a key combo that no X app should be expecting to
|
|
* receive, since it has historically been used to shutdown the X server.
|
|
* Passing Ctrl-Alt-Backspace to the root window preserves that
|
|
* behavior, assuming that -unixkill has been passed as a parameter.
|
|
*/
|
|
if (wParam == VK_F4 && (GetKeyState(VK_MENU) & 0x8000))
|
|
break;
|
|
|
|
#if CYGWINDOWING_DEBUG
|
|
if (wParam == VK_ESCAPE) {
|
|
/* Place for debug: put any tests and dumps here */
|
|
WINDOWPLACEMENT windPlace;
|
|
RECT rc;
|
|
LPRECT pRect;
|
|
|
|
windPlace.length = sizeof(WINDOWPLACEMENT);
|
|
GetWindowPlacement(hwnd, &windPlace);
|
|
pRect = &windPlace.rcNormalPosition;
|
|
ErrorF("\nCYGWINDOWING Dump:\n"
|
|
"\tdrawable: (%hd, %hd) - %hdx%hd\n", pDraw->x,
|
|
pDraw->y, pDraw->width, pDraw->height);
|
|
ErrorF("\twindPlace: (%d, %d) - %dx%d\n", (int)pRect->left,
|
|
(int)pRect->top, (int)(pRect->right - pRect->left),
|
|
(int)(pRect->bottom - pRect->top));
|
|
if (GetClientRect(hwnd, &rc)) {
|
|
pRect = &rc;
|
|
ErrorF("\tClientRect: (%d, %d) - %dx%d\n", (int)pRect->left,
|
|
(int)pRect->top, (int)(pRect->right - pRect->left),
|
|
(int)(pRect->bottom - pRect->top));
|
|
}
|
|
if (GetWindowRect(hwnd, &rc)) {
|
|
pRect = &rc;
|
|
ErrorF("\tWindowRect: (%d, %d) - %dx%d\n", (int)pRect->left,
|
|
(int)pRect->top, (int)(pRect->right - pRect->left),
|
|
(int)(pRect->bottom - pRect->top));
|
|
}
|
|
ErrorF("\n");
|
|
}
|
|
#endif
|
|
|
|
/* Pass the message to the root window */
|
|
return winWindowProc(hwndScreen, message, wParam, lParam);
|
|
|
|
case WM_SYSKEYUP:
|
|
case WM_KEYUP:
|
|
|
|
/* Pass the message to the root window */
|
|
return winWindowProc(hwndScreen, message, wParam, lParam);
|
|
|
|
case WM_HOTKEY:
|
|
|
|
/* Pass the message to the root window */
|
|
SendMessage(hwndScreen, message, wParam, lParam);
|
|
return 0;
|
|
|
|
case WM_ACTIVATE:
|
|
|
|
/* Pass the message to the root window */
|
|
SendMessage(hwndScreen, message, wParam, lParam);
|
|
|
|
if (LOWORD(wParam) != WA_INACTIVE) {
|
|
/* Raise the window to the top in Z order */
|
|
/* ago: Activate does not mean putting it to front! */
|
|
/*
|
|
wmMsg.msg = WM_WM_RAISE;
|
|
if (fWMMsgInitialized)
|
|
winSendMessageToWM (s_pScreenPriv->pWMInfo, &wmMsg);
|
|
*/
|
|
|
|
/* Tell our Window Manager thread to activate the window */
|
|
wmMsg.msg = WM_WM_ACTIVATE;
|
|
if (fWMMsgInitialized)
|
|
if (!pWin || !pWin->overrideRedirect) /* for OOo menus */
|
|
winSendMessageToWM(s_pScreenPriv->pWMInfo, &wmMsg);
|
|
}
|
|
/* Prevent the mouse wheel from stalling when another window is minimized */
|
|
if (HIWORD(wParam) == 0 && LOWORD(wParam) == WA_ACTIVE &&
|
|
(HWND) lParam != NULL && (HWND) lParam != GetParent(hwnd))
|
|
SetFocus(hwnd);
|
|
return 0;
|
|
|
|
case WM_ACTIVATEAPP:
|
|
/*
|
|
* This message is also sent to the root window
|
|
* so we do nothing for individual multiwindow windows
|
|
*/
|
|
break;
|
|
|
|
case WM_CLOSE:
|
|
/* Remove AppUserModelID property */
|
|
winSetAppUserModelID(hwnd, NULL);
|
|
/* Branch on if the window was killed in X already */
|
|
if (pWinPriv->fXKilled) {
|
|
/* Window was killed, go ahead and destroy the window */
|
|
DestroyWindow(hwnd);
|
|
}
|
|
else {
|
|
/* Tell our Window Manager thread to kill the window */
|
|
wmMsg.msg = WM_WM_KILL;
|
|
if (fWMMsgInitialized)
|
|
winSendMessageToWM(s_pScreenPriv->pWMInfo, &wmMsg);
|
|
}
|
|
return 0;
|
|
|
|
case WM_DESTROY:
|
|
|
|
/* Branch on if the window was killed in X already */
|
|
if (pWinPriv && !pWinPriv->fXKilled) {
|
|
ErrorF("winTopLevelWindowProc - WM_DESTROY - WM_WM_KILL\n");
|
|
|
|
/* Tell our Window Manager thread to kill the window */
|
|
wmMsg.msg = WM_WM_KILL;
|
|
if (fWMMsgInitialized)
|
|
winSendMessageToWM(s_pScreenPriv->pWMInfo, &wmMsg);
|
|
}
|
|
|
|
RemoveProp(hwnd, WIN_WINDOW_PROP);
|
|
RemoveProp(hwnd, WIN_WID_PROP);
|
|
RemoveProp(hwnd, WIN_NEEDMANAGE_PROP);
|
|
|
|
break;
|
|
|
|
case WM_MOVE:
|
|
/* Adjust the X Window to the moved Windows window */
|
|
if (!hasEnteredSizeMove)
|
|
winAdjustXWindow(pWin, hwnd);
|
|
/* else: Wait for WM_EXITSIZEMOVE */
|
|
return 0;
|
|
|
|
case WM_SHOWWINDOW:
|
|
/* Bail out if the window is being hidden */
|
|
if (!wParam)
|
|
return 0;
|
|
|
|
/* */
|
|
if (!pWin->overrideRedirect) {
|
|
HWND zstyle = HWND_NOTOPMOST;
|
|
|
|
/* Flag that this window needs to be made active when clicked */
|
|
SetProp(hwnd, WIN_NEEDMANAGE_PROP, (HANDLE) 1);
|
|
|
|
/* Set the transient style flags */
|
|
if (GetParent(hwnd))
|
|
SetWindowLongPtr(hwnd, GWL_STYLE,
|
|
WS_POPUP | WS_OVERLAPPED | WS_SYSMENU |
|
|
WS_CLIPCHILDREN | WS_CLIPSIBLINGS);
|
|
/* Set the window standard style flags */
|
|
else
|
|
SetWindowLongPtr(hwnd, GWL_STYLE,
|
|
(WS_POPUP | WS_OVERLAPPEDWINDOW |
|
|
WS_CLIPCHILDREN | WS_CLIPSIBLINGS)
|
|
& ~WS_CAPTION & ~WS_SIZEBOX);
|
|
|
|
winUpdateWindowPosition(hwnd, &zstyle);
|
|
|
|
{
|
|
WinXWMHints hints;
|
|
|
|
if (winMultiWindowGetWMHints(pWin, &hints)) {
|
|
/*
|
|
Give the window focus, unless it has an InputHint
|
|
which is FALSE (this is used by e.g. glean to
|
|
avoid every test window grabbing the focus)
|
|
*/
|
|
if (!((hints.flags & InputHint) && (!hints.input))) {
|
|
SetForegroundWindow(hwnd);
|
|
}
|
|
}
|
|
}
|
|
wmMsg.msg = WM_WM_MAP_MANAGED;
|
|
}
|
|
else { /* It is an overridden window so make it top of Z stack */
|
|
|
|
HWND forHwnd = GetForegroundWindow();
|
|
|
|
#if CYGWINDOWING_DEBUG
|
|
ErrorF("overridden window is shown\n");
|
|
#endif
|
|
if (forHwnd != NULL) {
|
|
if (GetWindowLongPtr(forHwnd, GWLP_USERDATA) & (LONG_PTR)
|
|
XMING_SIGNATURE) {
|
|
if (GetWindowLongPtr(forHwnd, GWL_EXSTYLE) & WS_EX_TOPMOST)
|
|
SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0,
|
|
SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
|
|
else
|
|
SetWindowPos(hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
|
|
SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
|
|
}
|
|
}
|
|
wmMsg.msg = WM_WM_MAP_UNMANAGED;
|
|
}
|
|
|
|
/* Tell our Window Manager thread to map the window */
|
|
if (fWMMsgInitialized)
|
|
winSendMessageToWM(s_pScreenPriv->pWMInfo, &wmMsg);
|
|
|
|
winStartMousePolling(s_pScreenPriv);
|
|
|
|
return 0;
|
|
|
|
case WM_SIZING:
|
|
/* Need to legalize the size according to WM_NORMAL_HINTS */
|
|
/* for applications like xterm */
|
|
return ValidateSizing(hwnd, pWin, wParam, lParam);
|
|
|
|
case WM_WINDOWPOSCHANGED:
|
|
{
|
|
LPWINDOWPOS pWinPos = (LPWINDOWPOS) lParam;
|
|
|
|
if (!(pWinPos->flags & SWP_NOZORDER)) {
|
|
#if CYGWINDOWING_DEBUG
|
|
winDebug("\twindow z order was changed\n");
|
|
#endif
|
|
if (pWinPos->hwndInsertAfter == HWND_TOP
|
|
|| pWinPos->hwndInsertAfter == HWND_TOPMOST
|
|
|| pWinPos->hwndInsertAfter == HWND_NOTOPMOST) {
|
|
#if CYGWINDOWING_DEBUG
|
|
winDebug("\traise to top\n");
|
|
#endif
|
|
/* Raise the window to the top in Z order */
|
|
winRaiseWindow(pWin);
|
|
}
|
|
else if (pWinPos->hwndInsertAfter == HWND_BOTTOM) {
|
|
}
|
|
else {
|
|
/* Check if this window is top of X windows. */
|
|
HWND hWndAbove = NULL;
|
|
DWORD dwCurrentProcessID = GetCurrentProcessId();
|
|
DWORD dwWindowProcessID = 0;
|
|
|
|
for (hWndAbove = pWinPos->hwndInsertAfter;
|
|
hWndAbove != NULL;
|
|
hWndAbove = GetNextWindow(hWndAbove, GW_HWNDPREV)) {
|
|
/* Ignore other XWin process's window */
|
|
GetWindowThreadProcessId(hWndAbove, &dwWindowProcessID);
|
|
|
|
if ((dwWindowProcessID == dwCurrentProcessID)
|
|
&& GetProp(hWndAbove, WIN_WINDOW_PROP)
|
|
&& !IsWindowVisible(hWndAbove)
|
|
&& !IsIconic(hWndAbove)) /* ignore minimized windows */
|
|
break;
|
|
}
|
|
/* If this is top of X windows in Windows stack,
|
|
raise it in X stack. */
|
|
if (hWndAbove == NULL) {
|
|
#if CYGWINDOWING_DEBUG
|
|
winDebug("\traise to top\n");
|
|
#endif
|
|
winRaiseWindow(pWin);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Pass the message to DefWindowProc to let the function
|
|
* break down WM_WINDOWPOSCHANGED to WM_MOVE and WM_SIZE.
|
|
*/
|
|
break;
|
|
|
|
case WM_ENTERSIZEMOVE:
|
|
hasEnteredSizeMove = TRUE;
|
|
return 0;
|
|
|
|
case WM_EXITSIZEMOVE:
|
|
/* Adjust the X Window to the moved Windows window */
|
|
hasEnteredSizeMove = FALSE;
|
|
winAdjustXWindow(pWin, hwnd);
|
|
return 0;
|
|
|
|
case WM_SIZE:
|
|
/* see dix/window.c */
|
|
#if CYGWINDOWING_DEBUG
|
|
{
|
|
char buf[64];
|
|
|
|
switch (wParam) {
|
|
case SIZE_MINIMIZED:
|
|
strcpy(buf, "SIZE_MINIMIZED");
|
|
break;
|
|
case SIZE_MAXIMIZED:
|
|
strcpy(buf, "SIZE_MAXIMIZED");
|
|
break;
|
|
case SIZE_RESTORED:
|
|
strcpy(buf, "SIZE_RESTORED");
|
|
break;
|
|
default:
|
|
strcpy(buf, "UNKNOWN_FLAG");
|
|
}
|
|
ErrorF("winTopLevelWindowProc - WM_SIZE to %dx%d (%s)\n",
|
|
(int) LOWORD(lParam), (int) HIWORD(lParam), buf);
|
|
}
|
|
#endif
|
|
if (!hasEnteredSizeMove) {
|
|
/* Adjust the X Window to the moved Windows window */
|
|
winAdjustXWindow(pWin, hwnd);
|
|
}
|
|
/* else: wait for WM_EXITSIZEMOVE */
|
|
return 0; /* end of WM_SIZE handler */
|
|
|
|
case WM_STYLECHANGING:
|
|
/*
|
|
When the style changes, adjust the Windows window size so the client area remains the same size,
|
|
and adjust the Windows window position so that the client area remains in the same place.
|
|
*/
|
|
{
|
|
RECT newWinRect;
|
|
DWORD dwExStyle;
|
|
DWORD dwStyle;
|
|
DWORD newStyle = ((STYLESTRUCT *) lParam)->styleNew;
|
|
WINDOWINFO wi;
|
|
|
|
dwExStyle = GetWindowLongPtr(hwnd, GWL_EXSTYLE);
|
|
dwStyle = GetWindowLongPtr(hwnd, GWL_STYLE);
|
|
|
|
winDebug("winTopLevelWindowProc - WM_STYLECHANGING from %08x %08x\n",
|
|
(unsigned int)dwStyle, (unsigned int)dwExStyle);
|
|
|
|
if (wParam == GWL_EXSTYLE)
|
|
dwExStyle = newStyle;
|
|
|
|
if (wParam == GWL_STYLE)
|
|
dwStyle = newStyle;
|
|
|
|
winDebug("winTopLevelWindowProc - WM_STYLECHANGING to %08x %08x\n",
|
|
(unsigned int)dwStyle, (unsigned int)dwExStyle);
|
|
|
|
/* Get client rect in screen coordinates */
|
|
wi.cbSize = sizeof(WINDOWINFO);
|
|
GetWindowInfo(hwnd, &wi);
|
|
|
|
winDebug
|
|
("winTopLevelWindowProc - WM_STYLECHANGING client area {%d, %d, %d, %d}, {%d x %d}\n",
|
|
(int)wi.rcClient.left, (int)wi.rcClient.top, (int)wi.rcClient.right,
|
|
(int)wi.rcClient.bottom, (int)(wi.rcClient.right - wi.rcClient.left),
|
|
(int)(wi.rcClient.bottom - wi.rcClient.top));
|
|
|
|
newWinRect = wi.rcClient;
|
|
if (!AdjustWindowRectEx(&newWinRect, dwStyle, FALSE, dwExStyle))
|
|
winDebug
|
|
("winTopLevelWindowProc - WM_STYLECHANGING AdjustWindowRectEx failed\n");
|
|
|
|
winDebug
|
|
("winTopLevelWindowProc - WM_STYLECHANGING window area should be {%d, %d, %d, %d}, {%d x %d}\n",
|
|
(int)newWinRect.left, (int)newWinRect.top, (int)newWinRect.right,
|
|
(int)newWinRect.bottom, (int)(newWinRect.right - newWinRect.left),
|
|
(int)(newWinRect.bottom - newWinRect.top));
|
|
|
|
/*
|
|
Style change hasn't happened yet, so we can't adjust the window size yet, as the winAdjustXWindow()
|
|
which WM_SIZE does will use the current (unchanged) style. Instead make a note to change it when
|
|
WM_STYLECHANGED is received...
|
|
*/
|
|
pWinPriv->hDwp = BeginDeferWindowPos(1);
|
|
pWinPriv->hDwp =
|
|
DeferWindowPos(pWinPriv->hDwp, hwnd, NULL, newWinRect.left,
|
|
newWinRect.top, newWinRect.right - newWinRect.left,
|
|
newWinRect.bottom - newWinRect.top,
|
|
SWP_NOACTIVATE | SWP_NOZORDER);
|
|
}
|
|
return 0;
|
|
|
|
case WM_STYLECHANGED:
|
|
{
|
|
if (pWinPriv->hDwp) {
|
|
EndDeferWindowPos(pWinPriv->hDwp);
|
|
pWinPriv->hDwp = NULL;
|
|
}
|
|
winDebug("winTopLevelWindowProc - WM_STYLECHANGED done\n");
|
|
}
|
|
return 0;
|
|
|
|
case WM_MOUSEACTIVATE:
|
|
|
|
/* Check if this window needs to be made active when clicked */
|
|
if (!GetProp(pWinPriv->hWnd, WIN_NEEDMANAGE_PROP)) {
|
|
#if CYGMULTIWINDOW_DEBUG
|
|
ErrorF("winTopLevelWindowProc - WM_MOUSEACTIVATE - "
|
|
"MA_NOACTIVATE\n");
|
|
#endif
|
|
|
|
/* */
|
|
return MA_NOACTIVATE;
|
|
}
|
|
break;
|
|
|
|
case WM_SETCURSOR:
|
|
if (LOWORD(lParam) == HTCLIENT) {
|
|
if (!g_fSoftwareCursor)
|
|
SetCursor(s_pScreenPriv->cursor.handle);
|
|
return TRUE;
|
|
}
|
|
break;
|
|
|
|
|
|
case WM_DWMCOMPOSITIONCHANGED:
|
|
/* This message is only sent on Vista/W7 */
|
|
CheckForAlpha(hwnd, pWin, s_pScreenInfo);
|
|
|
|
return 0;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ret = DefWindowProc(hwnd, message, wParam, lParam);
|
|
/*
|
|
* If the window was minized we get the stack change before the window is restored
|
|
* and so it gets lost. Ensure there stacking order is correct.
|
|
*/
|
|
if (needRestack)
|
|
winReorderWindowsMultiWindow();
|
|
return ret;
|
|
}
|