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- /* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
- // -=- WMCopyRect.cxx
-
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
-
- #include <rfb_win32/WMWindowCopyRect.h>
- #include <rfb/LogWriter.h>
- #include <windows.h>
-
- using namespace rfb;
- using namespace rfb::win32;
-
- static LogWriter vlog("WMCopyRect");
-
- // -=- WMHooks class
-
- rfb::win32::WMCopyRect::WMCopyRect() : ut(0), fg_window(0) {
- }
-
- bool
- rfb::win32::WMCopyRect::processEvent() {
- // See if the foreground window has moved
- HWND window = GetForegroundWindow();
- if (window) {
- RECT wrect;
- if (IsWindow(window) && IsWindowVisible(window) && GetWindowRect(window, &wrect)) {
- Rect winrect(wrect.left, wrect.top, wrect.right, wrect.bottom);
- if (fg_window == window) {
- if (!fg_window_rect.tl.equals(winrect.tl) && ut) {
- // Window has moved - mark both the previous and new position as changed
- // (we can't use add_copied() here because we aren't that properly synced
- // with the actual state of the framebuffer)
- ut->add_changed(Region(winrect));
- ut->add_changed(Region(fg_window_rect));
- }
- }
- fg_window = window;
- fg_window_rect = winrect;
- } else {
- fg_window = 0;
- }
- } else {
- fg_window = 0;
- }
- return false;
- }
-
- bool
- rfb::win32::WMCopyRect::setUpdateTracker(UpdateTracker* ut_) {
- ut = ut_;
- return true;
- }
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