489 lines
8.8 KiB
C++
489 lines
8.8 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2003 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package 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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#include "CScreen.h"
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#include "IPlatformScreen.h"
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#include "ProtocolTypes.h"
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#include "CLog.h"
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#include "IEventQueue.h"
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//
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// CScreen
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//
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CScreen::CScreen(IPlatformScreen* platformScreen) :
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m_screen(platformScreen),
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m_isPrimary(platformScreen->isPrimary()),
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m_enabled(false),
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m_entered(m_isPrimary),
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m_screenSaverSync(true),
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m_fakeInput(false)
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{
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assert(m_screen != NULL);
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// reset options
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resetOptions();
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LOG((CLOG_DEBUG "opened display"));
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}
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CScreen::~CScreen()
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{
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if (m_enabled) {
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disable();
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}
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assert(!m_enabled);
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assert(m_entered == m_isPrimary);
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delete m_screen;
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LOG((CLOG_DEBUG "closed display"));
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}
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void
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CScreen::enable()
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{
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assert(!m_enabled);
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m_screen->updateKeyMap();
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m_screen->updateKeyState();
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m_screen->enable();
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if (m_isPrimary) {
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enablePrimary();
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}
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else {
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enableSecondary();
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}
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// note activation
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m_enabled = true;
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}
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void
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CScreen::disable()
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{
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assert(m_enabled);
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if (!m_isPrimary && m_entered) {
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leave();
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}
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else if (m_isPrimary && !m_entered) {
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enter(0);
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}
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m_screen->disable();
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if (m_isPrimary) {
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disablePrimary();
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}
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else {
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disableSecondary();
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}
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// note deactivation
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m_enabled = false;
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}
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void
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CScreen::enter(KeyModifierMask toggleMask)
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{
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assert(m_entered == false);
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LOG((CLOG_INFO "entering screen"));
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// now on screen
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m_entered = true;
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m_screen->enter();
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if (m_isPrimary) {
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enterPrimary();
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}
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else {
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enterSecondary(toggleMask);
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}
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}
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bool
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CScreen::leave()
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{
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assert(m_entered == true);
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LOG((CLOG_INFO "leaving screen"));
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if (!m_screen->leave()) {
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return false;
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}
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if (m_isPrimary) {
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leavePrimary();
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}
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else {
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leaveSecondary();
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}
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// make sure our idea of clipboard ownership is correct
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m_screen->checkClipboards();
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// now not on screen
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m_entered = false;
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return true;
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}
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void
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CScreen::reconfigure(UInt32 activeSides)
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{
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assert(m_isPrimary);
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m_screen->reconfigure(activeSides);
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}
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void
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CScreen::warpCursor(SInt32 x, SInt32 y)
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{
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assert(m_isPrimary);
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m_screen->warpCursor(x, y);
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}
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void
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CScreen::setClipboard(ClipboardID id, const IClipboard* clipboard)
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{
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m_screen->setClipboard(id, clipboard);
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}
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void
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CScreen::grabClipboard(ClipboardID id)
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{
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m_screen->setClipboard(id, NULL);
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}
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void
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CScreen::screensaver(bool activate)
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{
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if (!m_isPrimary) {
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// activate/deactivation screen saver iff synchronization enabled
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if (m_screenSaverSync) {
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m_screen->screensaver(activate);
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}
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}
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}
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void
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CScreen::keyDown(KeyID id, KeyModifierMask mask, KeyButton button)
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{
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assert(!m_isPrimary || m_fakeInput);
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// check for ctrl+alt+del emulation
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if (id == kKeyDelete &&
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(mask & (KeyModifierControl | KeyModifierAlt)) ==
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(KeyModifierControl | KeyModifierAlt)) {
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LOG((CLOG_DEBUG "emulating ctrl+alt+del press"));
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if (m_screen->fakeCtrlAltDel()) {
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return;
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}
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}
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m_screen->fakeKeyDown(id, mask, button);
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}
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void
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CScreen::keyRepeat(KeyID id,
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KeyModifierMask mask, SInt32 count, KeyButton button)
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{
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assert(!m_isPrimary);
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m_screen->fakeKeyRepeat(id, mask, count, button);
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}
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void
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CScreen::keyUp(KeyID, KeyModifierMask, KeyButton button)
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{
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assert(!m_isPrimary || m_fakeInput);
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m_screen->fakeKeyUp(button);
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}
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void
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CScreen::mouseDown(ButtonID button)
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{
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assert(!m_isPrimary);
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m_screen->fakeMouseButton(button, true);
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}
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void
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CScreen::mouseUp(ButtonID button)
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{
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assert(!m_isPrimary);
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m_screen->fakeMouseButton(button, false);
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}
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void
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CScreen::mouseMove(SInt32 x, SInt32 y)
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{
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assert(!m_isPrimary);
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m_screen->fakeMouseMove(x, y);
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}
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void
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CScreen::mouseRelativeMove(SInt32 dx, SInt32 dy)
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{
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assert(!m_isPrimary);
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m_screen->fakeMouseRelativeMove(dx, dy);
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}
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void
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CScreen::mouseWheel(SInt32 xDelta, SInt32 yDelta)
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{
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assert(!m_isPrimary);
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m_screen->fakeMouseWheel(xDelta, yDelta);
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}
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void
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CScreen::resetOptions()
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{
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// reset options
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m_halfDuplex = 0;
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// if screen saver synchronization was off then turn it on since
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// that's the default option state.
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if (!m_screenSaverSync) {
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m_screenSaverSync = true;
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if (!m_isPrimary) {
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m_screen->openScreensaver(false);
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}
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}
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// let screen handle its own options
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m_screen->resetOptions();
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}
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void
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CScreen::setOptions(const COptionsList& options)
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{
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// update options
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bool oldScreenSaverSync = m_screenSaverSync;
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for (UInt32 i = 0, n = options.size(); i < n; i += 2) {
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if (options[i] == kOptionScreenSaverSync) {
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m_screenSaverSync = (options[i + 1] != 0);
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LOG((CLOG_DEBUG1 "screen saver synchronization %s", m_screenSaverSync ? "on" : "off"));
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}
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else if (options[i] == kOptionHalfDuplexCapsLock) {
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if (options[i + 1] != 0) {
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m_halfDuplex |= KeyModifierCapsLock;
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}
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else {
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m_halfDuplex &= ~KeyModifierCapsLock;
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}
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LOG((CLOG_DEBUG1 "half-duplex caps-lock %s", ((m_halfDuplex & KeyModifierCapsLock) != 0) ? "on" : "off"));
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}
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else if (options[i] == kOptionHalfDuplexNumLock) {
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if (options[i + 1] != 0) {
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m_halfDuplex |= KeyModifierNumLock;
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}
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else {
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m_halfDuplex &= ~KeyModifierNumLock;
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}
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LOG((CLOG_DEBUG1 "half-duplex num-lock %s", ((m_halfDuplex & KeyModifierNumLock) != 0) ? "on" : "off"));
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}
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else if (options[i] == kOptionHalfDuplexScrollLock) {
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if (options[i + 1] != 0) {
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m_halfDuplex |= KeyModifierScrollLock;
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}
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else {
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m_halfDuplex &= ~KeyModifierScrollLock;
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}
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LOG((CLOG_DEBUG1 "half-duplex scroll-lock %s", ((m_halfDuplex & KeyModifierScrollLock) != 0) ? "on" : "off"));
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}
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}
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// update half-duplex options
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m_screen->setHalfDuplexMask(m_halfDuplex);
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// update screen saver synchronization
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if (!m_isPrimary && oldScreenSaverSync != m_screenSaverSync) {
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if (m_screenSaverSync) {
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m_screen->openScreensaver(false);
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}
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else {
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m_screen->closeScreensaver();
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}
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}
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// let screen handle its own options
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m_screen->setOptions(options);
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}
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void
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CScreen::setSequenceNumber(UInt32 seqNum)
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{
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m_screen->setSequenceNumber(seqNum);
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}
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UInt32
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CScreen::registerHotKey(KeyID key, KeyModifierMask mask)
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{
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return m_screen->registerHotKey(key, mask);
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}
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void
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CScreen::unregisterHotKey(UInt32 id)
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{
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m_screen->unregisterHotKey(id);
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}
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void
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CScreen::fakeInputBegin()
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{
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assert(!m_fakeInput);
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m_fakeInput = true;
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m_screen->fakeInputBegin();
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}
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void
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CScreen::fakeInputEnd()
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{
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assert(m_fakeInput);
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m_fakeInput = false;
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m_screen->fakeInputEnd();
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}
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bool
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CScreen::isOnScreen() const
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{
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return m_entered;
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}
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bool
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CScreen::isLockedToScreen() const
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{
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// check for pressed mouse buttons
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if (m_screen->isAnyMouseButtonDown()) {
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LOG((CLOG_DEBUG "locked by mouse button"));
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return true;
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}
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// not locked
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return false;
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}
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SInt32
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CScreen::getJumpZoneSize() const
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{
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if (!m_isPrimary) {
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return 0;
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}
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else {
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return m_screen->getJumpZoneSize();
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}
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}
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void
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CScreen::getCursorCenter(SInt32& x, SInt32& y) const
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{
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m_screen->getCursorCenter(x, y);
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}
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KeyModifierMask
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CScreen::getActiveModifiers() const
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{
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return m_screen->getActiveModifiers();
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}
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KeyModifierMask
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CScreen::pollActiveModifiers() const
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{
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return m_screen->pollActiveModifiers();
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}
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void*
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CScreen::getEventTarget() const
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{
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return m_screen;
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}
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bool
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CScreen::getClipboard(ClipboardID id, IClipboard* clipboard) const
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{
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return m_screen->getClipboard(id, clipboard);
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}
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void
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CScreen::getShape(SInt32& x, SInt32& y, SInt32& w, SInt32& h) const
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{
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m_screen->getShape(x, y, w, h);
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}
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void
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CScreen::getCursorPos(SInt32& x, SInt32& y) const
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{
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m_screen->getCursorPos(x, y);
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}
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void
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CScreen::enablePrimary()
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{
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// get notified of screen saver activation/deactivation
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m_screen->openScreensaver(true);
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// claim screen changed size
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EVENTQUEUE->addEvent(CEvent(getShapeChangedEvent(), getEventTarget()));
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}
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void
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CScreen::enableSecondary()
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{
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// assume primary has all clipboards
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for (ClipboardID id = 0; id < kClipboardEnd; ++id) {
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grabClipboard(id);
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}
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// disable the screen saver if synchronization is enabled
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if (m_screenSaverSync) {
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m_screen->openScreensaver(false);
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}
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}
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void
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CScreen::disablePrimary()
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{
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// done with screen saver
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m_screen->closeScreensaver();
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}
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void
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CScreen::disableSecondary()
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{
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// done with screen saver
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m_screen->closeScreensaver();
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}
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void
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CScreen::enterPrimary()
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{
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// do nothing
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}
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void
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CScreen::enterSecondary(KeyModifierMask)
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{
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// do nothing
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}
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void
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CScreen::leavePrimary()
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{
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// we don't track keys while on the primary screen so update our
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// idea of them now. this is particularly to update the state of
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// the toggle modifiers.
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m_screen->updateKeyState();
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}
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void
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CScreen::leaveSecondary()
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{
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// release any keys we think are still down
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m_screen->fakeAllKeysUp();
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}
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