KasmVNC/win/rfb_win32/SDisplayCoreWMHooks.cxx
2020-09-20 12:16:44 +00:00

75 lines
2.3 KiB
C++

/* 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.
*/
// -=- SDisplayCoreWMHooks.cxx
#include <rfb_win32/SDisplayCoreWMHooks.h>
#include <rfb/LogWriter.h>
using namespace rfb;
using namespace rfb::win32;
static LogWriter vlog("SDisplayCoreWMHooks");
const unsigned int SDisplayCoreWMHooks::cursorTimerId = 2;
const unsigned int SDisplayCoreWMHooks::consolePollTimerId = 3;
SDisplayCoreWMHooks::SDisplayCoreWMHooks(SDisplay* d, UpdateTracker* ut)
: SDisplayCorePolling(d, ut, 5000),
cursorTimer(getHandle(), cursorTimerId),
consolePollTimer(getHandle(), consolePollTimerId),
pollConsoles(false) {
if (!hooks.setEvent(display->getUpdateEvent()))
throw rdr::Exception("hook subsystem failed to initialise");
poller.setUpdateTracker(updateTracker);
cursorTimer.start(20);
consolePollTimer.start(200);
}
SDisplayCoreWMHooks::~SDisplayCoreWMHooks() {
}
LRESULT SDisplayCoreWMHooks::processMessage(UINT msg, WPARAM wParam, LPARAM lParam) {
if (msg == WM_TIMER) {
if (wParam == cursorTimerId) {
SetEvent(display->getUpdateEvent());
return 0;
} else if (wParam == consolePollTimerId) {
pollConsoles = true;
SetEvent(display->getUpdateEvent());
return 0;
}
}
return SDisplayCorePolling::processMessage(msg, wParam, lParam);
}
void SDisplayCoreWMHooks::flushUpdates() {
// Poll any visible console windows
if (pollConsoles) {
pollConsoles = false;
poller.processEvent();
}
// Check for updates from the hooks
hooks.getUpdates(updateTracker);
// Check for updates from the polling Core
SDisplayCorePolling::flushUpdates();
}