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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 <core/LogWriter.h>
#include <rfb_win32/WMWindowCopyRect.h>
#include <windows.h>
using namespace core;
using namespace rfb;
using namespace rfb::win32;
static LogWriter vlog("WMCopyRect");
// -=- WMHooks class
rfb::win32::WMCopyRect::WMCopyRect() : ut(nullptr), fg_window(nullptr) {
}
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 != 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(winrect);
ut->add_changed(fg_window_rect);
}
}
fg_window = window;
fg_window_rect = winrect;
} else {
fg_window = nullptr;
}
} else {
fg_window = nullptr;
}
return false;
}
bool
rfb::win32::WMCopyRect::setUpdateTracker(UpdateTracker* ut_) {
ut = ut_;
return true;
}
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