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Bump version.
[lamexp/LameXP.git] / src / Dialog_SplashScreen.cpp
index 9928bec..7905cea 100644 (file)
@@ -1,11 +1,12 @@
 ///////////////////////////////////////////////////////////////////////////////
 // LameXP - Audio Encoder Front-End
-// Copyright (C) 2004-2011 LoRd_MuldeR <MuldeR2@GMX.de>
+// Copyright (C) 2004-2020 LoRd_MuldeR <MuldeR2@GMX.de>
 //
 // This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
+// 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.
+// (at your option) any later version; always including the non-optional
+// LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "License.txt" file!
 //
 // This program is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 
 #include "Dialog_SplashScreen.h"
 
+//UIC includes
+#include "UIC_SplashScreen.h"
+
+//Internal
 #include "Global.h"
 
+//MUtils
+#include <MUtils/Global.h>
+#include <MUtils/GUI.h>
+#include <MUtils/Taskbar7.h>
+
+//Qt
 #include <QThread>
 #include <QMovie>
 #include <QKeyEvent>
-
-#include "WinSevenTaskbar.h"
-
-#define EPS (1.0E-5)
+#include <QTimer>
+
+#define FADE_DELAY 16
+#define OPACITY_DELTA 0.04
+
+//Setup taskbar indicator
+#define SET_TASKBAR_STATE(WIDGET,FLAG) do \
+{ \
+       const int _oldFlag = (WIDGET)->m_taskBarFlag.fetchAndStoreOrdered((FLAG) ? 1 : 0); \
+       if(_oldFlag != ((FLAG) ? 1 : 0)) \
+       { \
+               (WIDGET)->m_taskbar->setTaskbarState((FLAG) ? MUtils::Taskbar7::TASKBAR_STATE_INTERMEDIATE : MUtils::Taskbar7::TASKBAR_STATE_NONE); \
+       } \
+} \
+while(0)
 
 ////////////////////////////////////////////////////////////
 // Constructor
 ////////////////////////////////////////////////////////////
 
 SplashScreen::SplashScreen(QWidget *parent)
-       : QFrame(parent, Qt::CustomizeWindowHint | Qt::WindowStaysOnTopHint)
+:
+       QFrame(parent, Qt::CustomizeWindowHint | Qt::WindowStaysOnTopHint),
+       ui(new Ui::SplashScreen),
+       m_opacitySteps(qRound(1.0 / OPACITY_DELTA)),
+       m_taskbar(new MUtils::Taskbar7(this))
 {
        //Init the dialog, from the .ui file
-       setupUi(this);
+       ui->setupUi(this);
+
+       //Make size fixed
+       setFixedSize(this->size());
+       
+       //Create event loop
+       m_loop.reset(new QEventLoop(this));
+
+       //Create timer
+       m_timer.reset(new QTimer(this));
+       m_timer->setInterval(FADE_DELAY);
+       m_timer->setSingleShot(false);
+
+       //Connect timer to slot
+       connect(m_timer.data(), SIGNAL(timeout()), this, SLOT(updateHandler()));
+
+       //Enable "sheet of glass" effect on splash screen
+       if(!MUtils::GUI::sheet_of_glass(this))
+       {
+               setStyleSheet("background-image: url(:/images/Background.jpg)");
+       }
 
        //Start animation
-       m_working = new QMovie(":/images/Loading.gif");
-       labelLoading->setMovie(m_working);
+       m_working.reset(new QMovie(":/images/Loading4.gif"));
+       m_working->setCacheMode(QMovie::CacheAll);
+       ui->labelLoading->setMovie(m_working.data());
        m_working->start();
 
-       //Set wait cursor
-       setCursor(Qt::WaitCursor);
-
-       //Prevent close
-       m_canClose = false;
+       //Init status
+       m_status = STATUS_FADE_IN;
+       m_fadeValue = 0;
 }
 
 ////////////////////////////////////////////////////////////
@@ -62,9 +107,9 @@ SplashScreen::~SplashScreen(void)
        if(m_working)
        {
                m_working->stop();
-               delete m_working;
-               m_working = NULL;
        }
+
+       delete ui;
 }
 
 ////////////////////////////////////////////////////////////
@@ -73,52 +118,99 @@ SplashScreen::~SplashScreen(void)
 
 void SplashScreen::showSplash(QThread *thread)
 {
-       SplashScreen *splashScreen = new SplashScreen();
-       
+       QScopedPointer<SplashScreen> splashScreen(new SplashScreen());
+
        //Show splash
-       splashScreen->m_canClose = false;
-       splashScreen->setWindowOpacity(0.0);
+       splashScreen->setWindowOpacity(OPACITY_DELTA);
        splashScreen->show();
-       QApplication::processEvents();
 
-       //Setup event loop
-       QEventLoop *loop = new QEventLoop(splashScreen);
-       connect(thread, SIGNAL(terminated()), loop, SLOT(quit()), Qt::QueuedConnection);
-       connect(thread, SIGNAL(finished()), loop, SLOT(quit()), Qt::QueuedConnection);
+       //Set wait cursor
+       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
+
+       //Wait for window to show
+       QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+       splashScreen->repaint(); MUtils::GUI::bring_to_front(splashScreen.data());
+       QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+
+       //Connect thread signals
+       connect(thread, SIGNAL(terminated()), splashScreen.data(), SLOT(threadComplete()), Qt::QueuedConnection);
+       connect(thread, SIGNAL(finished()),   splashScreen.data(), SLOT(threadComplete()), Qt::QueuedConnection);
+
+       //Init taskbar
+       SET_TASKBAR_STATE(splashScreen, true);
 
        //Start the thread
-       thread->start();
-       bool flag = false;
+       splashScreen->m_timer->start(FADE_DELAY);
+       QTimer::singleShot(8*60*1000, splashScreen->m_loop.data(), SLOT(quit()));
+       QTimer::singleShot(333, thread, SLOT(start()));
 
-       //Fade in
-       for(double d = 0.0; d <= 1.0 + EPS; d = d + 0.01)
-       {
-               splashScreen->setWindowOpacity(d);
-               QApplication::processEvents();
-               if(!flag) flag = WinSevenTaskbar::setTaskbarState(splashScreen, WinSevenTaskbar::WinSevenTaskbarIndeterminateState);
-               Sleep(6);
-       }
+       //Start event handling!
+       const int ret = splashScreen->m_loop->exec(QEventLoop::ExcludeUserInputEvents);
 
-       //Loop while thread is running
-       loop->exec();
-       
-       //Fade out
-       for(double d = 1.0; d >= 0.0; d = d - 0.01)
+       //Check for timeout
+       if(ret != 42)
        {
-               splashScreen->setWindowOpacity(d);
-               QApplication::processEvents();
-               Sleep(6);
+               thread->terminate();
+               qFatal("Deadlock in initialization thread encountered!");
        }
 
        //Restore taskbar
-       WinSevenTaskbar::setTaskbarState(splashScreen, WinSevenTaskbar::WinSevenTaskbarNoState);
+       SET_TASKBAR_STATE(splashScreen, false);
+
+       //Restore cursor
+       QApplication::restoreOverrideCursor();
 
        //Hide splash
-       splashScreen->m_canClose = true;
+       splashScreen->m_canClose.ref();
        splashScreen->close();
+}
+
+////////////////////////////////////////////////////////////
+// SLOTS
+////////////////////////////////////////////////////////////
+
+void SplashScreen::updateHandler(void)
+{
+       if(m_status == STATUS_FADE_IN)
+       {
+               if(m_fadeValue < m_opacitySteps)
+               {
+                       setWindowOpacity(OPACITY_DELTA * static_cast<double>(++m_fadeValue));
+                       SET_TASKBAR_STATE(this, true);
+               }
+               else
+               {
+                       setWindowOpacity(1.0);
+                       MUtils::GUI::bring_to_front(this);
+                       m_timer->stop();
+                       m_status = STATUS_WAIT;
+               }
+       }
+       else if(m_status == STATUS_FADE_OUT)
+       {
+               if(m_fadeValue > 0)
+               {
+                       setWindowOpacity(OPACITY_DELTA * static_cast<double>(--m_fadeValue));
+                       SET_TASKBAR_STATE(this, true);
+               }
+               else
+               {
+                       setWindowOpacity(0.0);
+                       m_timer->stop();
+                       m_status = STATUS_DONE;
+                       m_loop->exit(42);
+               }
+       }
+}
 
-       LAMEXP_DELETE(loop);
-       LAMEXP_DELETE(splashScreen);
+void SplashScreen::threadComplete(void)
+{
+       m_status = STATUS_FADE_OUT;
+       if(!m_timer->isActive())
+       {
+               m_timer->start(FADE_DELAY);
+       }
+       MUtils::GUI::bring_to_front(this);
 }
 
 ////////////////////////////////////////////////////////////
@@ -139,8 +231,3 @@ void SplashScreen::closeEvent(QCloseEvent *event)
 {
        if(!m_canClose) event->ignore();
 }
-
-bool SplashScreen::winEvent(MSG *message, long *result)
-{
-       return WinSevenTaskbar::handleWinEvent(message, result);
-}