C4App.cpp

Go to the documentation of this file.

/*
 * OpenClonk, http://www.openclonk.org
 *
 * Copyright (c) 2007, Alexander Post
 * Copyright (c) 2010-2016, The OpenClonk Team and contributors
 *
 * Distributed under the terms of the ISC license; see accompanying file
 * "COPYING" for details.
 *
 * "Clonk" is a registered trademark of Matthes Bender, used with permission.
 * See accompanying file "TRADEMARK" for details.
 *
 * To redistribute this file separately, substitute the full license texts
 * for the above references.
 */
 
#include "C4Include.h"
#include "platform/C4App.h"
#include "platform/C4Window.h"
 
#ifdef WITH_QT_EDITOR
#include "game/C4Application.h"
#include "editor/C4ConsoleQt.h"
#endif
 
void C4AbstractApp::Run()
{
#ifdef WITH_QT_EDITOR
    if (Application.isEditor)
    {
        // Qt has its own event loop. Use a timer to call our own event handling whenever Qt is done
        // with its events. The alternative (calling Qt's event handling from
        // C4Console::Execute) is too slow, at least on Linux.
        // FIXME: All of this should be happening in a background thread instead of on the UI thread
        QTimer timer;
        QObject::connect(&timer, &QTimer::timeout, [this, &timer]() {
            ScheduleProcs(0);
            if (fQuitMsgReceived)
            {
                QApplication::quit();
                return;
            }
            auto now = C4TimeMilliseconds::Now();
            auto next_tick = GetNextTick(now);
            timer.setInterval(Clamp(next_tick - now, 0, 1000/36));
        });
        timer.setTimerType(Qt::PreciseTimer);
        timer.start();
        QApplication::exec();
        return;
    }
#endif
 
    // Main message loop
    while (!fQuitMsgReceived)
        ScheduleProcs();
}
 
bool C4AbstractApp::DoScheduleProcs(int iTimeout)
{
    // Always fail after quit message
    if(fQuitMsgReceived)
        return false;
#if defined(USE_SDL_MAINLOOP) || defined(USE_COCOA)
    // Unfortunately, the SDL event loop needs to be polled
    FlushMessages();
#endif
#ifdef WITH_QT_EDITOR
    // Some places, for example the lobby, have a nested event processing loop.
    // To prevent the editor from freezing, call the Qt event loop here.
    if (iTimeout)
        ProcessQtEvents();
#endif
    return StdScheduler::DoScheduleProcs(iTimeout);
}
 
#ifdef WITH_QT_EDITOR
void C4AbstractApp::ProcessQtEvents()
{
    if (Application.isEditor)
        QApplication::processEvents();
}
#endif
 
void C4Window::PerformUpdate()
{
}
 
void C4AbstractApp::NotifyUserIfInactive()
{
#ifdef _WIN32
        if (!Active && pWindow) pWindow->FlashWindow();
#else
        if (pWindow) pWindow->FlashWindow();
#endif
}