mirror of
https://github.com/TigerVNC/tigervnc.git
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47ed8d321c
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2 3789f03b-4d11-0410-bbf8-ca57d06f2519
84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
/* Copyright (C) 2002-2003 RealVNC Ltd. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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// -=- WMCopyRect.cxx
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#include <rfb_win32/WMWindowCopyRect.h>
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#include <rfb/LogWriter.h>
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#include <windows.h>
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using namespace rfb;
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using namespace rfb::win32;
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static LogWriter vlog("WMCopyRect");
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// -=- WMHooks class
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rfb::win32::WMCopyRect::WMCopyRect() : clipper(0), fg_window(0) {
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}
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rfb::win32::WMCopyRect::~WMCopyRect() {
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if (clipper) delete clipper;
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}
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bool
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rfb::win32::WMCopyRect::processEvent() {
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if (clipper) {
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// See if the foreground window has moved
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HWND window = GetForegroundWindow();
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if (window) {
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RECT wrect;
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if (IsWindow(window) && IsWindowVisible(window) && GetWindowRect(window, &wrect)) {
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Rect winrect(wrect.left, wrect.top, wrect.right, wrect.bottom);
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if (fg_window == window) {
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if (!fg_window_rect.tl.equals(winrect.tl)) {
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// Window has moved - send a copyrect event to the client
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Point delta = Point(winrect.tl.x-fg_window_rect.tl.x, winrect.tl.y-fg_window_rect.tl.y);
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Region copy_dest = winrect;
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clipper->add_copied(copy_dest, delta);
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clipper->add_changed(Region(fg_window_rect).subtract(copy_dest));
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}
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}
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fg_window = window;
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fg_window_rect = winrect;
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} else {
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fg_window = 0;
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}
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} else {
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fg_window = 0;
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}
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}
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return false;
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}
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bool
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rfb::win32::WMCopyRect::setClipRect(const Rect& r) {
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clip_region = r;
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if (clipper) clipper->set_clip_region(clip_region);
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return true;
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}
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bool
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rfb::win32::WMCopyRect::setUpdateTracker(UpdateTracker* ut) {
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if (clipper) delete clipper;
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clipper = new ClippedUpdateTracker(*ut);
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clipper->set_clip_region(clip_region);
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return true;
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}
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