git.sesse.net Git - kdenlive/blob - src/widgets/abstractmonitor.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Jean-Baptiste Mardelle (jb@kdenlive.org)        *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20
  21 #include "widgets/abstractmonitor.h"
  22 #include "kdenlivesettings.h"
  23 #include "monitormanager.h"
  24
  25 #include <KDebug>
  26
  27 #include <QPaintEvent>
  28 #include <QDesktopWidget>
  29 #include <QVBoxLayout>
  30
  31
  32 AbstractMonitor::AbstractMonitor(Kdenlive::MonitorId id, MonitorManager *manager, QWidget *parent):
  33     QWidget(parent),
  34     videoSurface(NULL),
  35     m_id(id),
  36     m_monitorManager(manager)
  37 {
  38     videoBox = new VideoContainer(this);
  39 }
  40
  41
  42 AbstractMonitor::~AbstractMonitor()
  43 {
  44     delete videoSurface;
  45 }
  46
  47 void AbstractMonitor::createVideoSurface()
  48 {
  49     QVBoxLayout *lay = new QVBoxLayout;
  50     lay->setContentsMargins(0, 0, 0, 0);
  51     videoSurface = new VideoSurface;
  52     lay->addWidget(videoSurface);
  53     videoBox->setLayout(lay);
  54 }
  55
  56 bool AbstractMonitor::isActive() const
  57 {
  58     return m_monitorManager->isActive(m_id);
  59 }
  60
  61 bool AbstractMonitor::slotActivateMonitor(bool forceRefresh)
  62 {
  63     return m_monitorManager->activateMonitor(m_id, forceRefresh);
  64 }
  65
  66 VideoContainer::VideoContainer(AbstractMonitor* monitor, QWidget *parent) :
  67     QFrame(parent)
  68     , m_monitor(monitor)
  69 {
  70     setFrameShape(QFrame::NoFrame);
  71     setFocusPolicy(Qt::ClickFocus);
  72     //setEnabled(false);
  73     setContentsMargins(0, 0, 0, 0);
  74     setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
  75 }
  76
  77 // virtual
  78 void VideoContainer::mouseReleaseEvent(QMouseEvent * event)
  79 {
  80     if (event->button() != Qt::RightButton) {
  81         if (m_monitor->isActive()) {
  82             m_monitor->slotPlay();
  83         }
  84     }
  85 }
  86
  87 // virtual
  88 void VideoContainer::keyPressEvent(QKeyEvent *event)
  89 {
  90     // Exit fullscreen with Esc key
  91     if (event->key() == Qt::Key_Escape && isFullScreen()) {
  92         switchFullScreen();
  93         event->setAccepted(true);
  94     } else event->setAccepted(false);
  95 }
  96
  97 // virtual
  98 void VideoContainer::wheelEvent(QWheelEvent * event)
  99 {
 100     m_monitor->slotMouseSeek(event->delta(), event->modifiers() == Qt::ControlModifier);
 101     event->accept();
 102 }
 103
 104 void VideoContainer::mouseDoubleClickEvent(QMouseEvent * event)
 105 {
 106     event->accept();
 107 }
 108
 109 void VideoContainer::switchFullScreen()
 110 {
 111     // TODO: disable screensaver?
 112     Qt::WindowFlags flags = windowFlags();
 113     if (!isFullScreen()) {
 114         // Check if we ahave a multiple monitor setup
 115         setUpdatesEnabled(false);
 116 #if QT_VERSION >= 0x040600
 117         int monitors = QApplication::desktop()->screenCount();
 118 #else
 119         int monitors = QApplication::desktop()->numScreens();
 120 #endif
 121         if (monitors > 1) {
 122             QRect screenres;
 123             // Move monitor widget to the second screen (one screen for Kdenlive, the other one for the Monitor widget
 124             int currentScreen = QApplication::desktop()->screenNumber(this);
 125             if (currentScreen < monitors - 1)
 126                 screenres = QApplication::desktop()->screenGeometry(currentScreen + 1);
 127             else
 128                 screenres = QApplication::desktop()->screenGeometry(currentScreen - 1);
 129             move(QPoint(screenres.x(), screenres.y()));
 130             resize(screenres.width(), screenres.height());
 131         }
 132
 133         m_baseFlags = flags & (Qt::Window | Qt::SubWindow);
 134         flags |= Qt::Window;
 135         flags ^= Qt::SubWindow;
 136         setWindowFlags(flags);
 137 #ifdef Q_WS_X11
 138         // This works around a bug with Compiz
 139         // as the window must be visible before we can set the state
 140         show();
 141         raise();
 142         setWindowState(windowState() | Qt::WindowFullScreen);   // set
 143 #else
 144         setWindowState(windowState() | Qt::WindowFullScreen);   // set
 145         setUpdatesEnabled(true);
 146         show();
 147 #endif
 148         setEnabled(true);
 149     } else {
 150         setUpdatesEnabled(false);
 151         flags ^= (Qt::Window | Qt::SubWindow); //clear the flags...
 152         flags |= m_baseFlags; //then we reset the flags (window and subwindow)
 153         setWindowFlags(flags);
 154         setWindowState(windowState()  ^ Qt::WindowFullScreen);   // reset
 155         setUpdatesEnabled(true);
 156         setEnabled(false);
 157         show();
 158     }
 159 }
 160
 161 #include "abstractmonitor.moc"