git.sesse.net Git - kdenlive/blob - src/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 "abstractmonitor.h"
  22 #include "kdenlivesettings.h"
  23 #include "monitormanager.h"
  24
  25 #include <KDebug>
  26
  27 #include <QPaintEvent>
  28 #include <QDesktopWidget>
  29
  30
  31 AbstractMonitor::AbstractMonitor(Kdenlive::MONITORID id, MonitorManager *manager, QWidget *parent):
  32     QWidget(parent),
  33     m_id(id),
  34     m_monitorManager(manager)
  35 {}
  36
  37 bool AbstractMonitor::isActive() const
  38 {
  39     return m_monitorManager->isActive(m_id);
  40 }
  41
  42 bool AbstractMonitor::slotActivateMonitor()
  43 {
  44     return m_monitorManager->activateMonitor(m_id);
  45 }
  46
  47 VideoContainer::VideoContainer(AbstractMonitor* monitor, QWidget *parent) :
  48     QFrame(parent)
  49     , m_monitor(monitor)
  50 {
  51     setFrameShape(QFrame::NoFrame);
  52     setFocusPolicy(Qt::ClickFocus);
  53     setAttribute(Qt::WA_PaintOnScreen);
  54     setAttribute(Qt::WA_OpaquePaintEvent);
  55     //setEnabled(false);
  56     setContentsMargins(0, 0, 0, 0);
  57     setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
  58 }
  59
  60 // virtual
  61 void VideoContainer::mouseReleaseEvent(QMouseEvent * event)
  62 {
  63     if (event->button() != Qt::RightButton) {
  64         if (m_monitor->isActive()) {
  65             m_monitor->slotPlay();
  66         }
  67     }
  68 }
  69
  70 // virtual
  71 void VideoContainer::keyPressEvent(QKeyEvent *event)
  72 {
  73     // Exit fullscreen with Esc key
  74     if (event->key() == Qt::Key_Escape && isFullScreen()) {
  75         switchFullScreen();
  76         event->setAccepted(true);
  77     } else event->setAccepted(false);
  78 }
  79
  80 // virtual
  81 void VideoContainer::wheelEvent(QWheelEvent * event)
  82 {
  83     m_monitor->slotMouseSeek(event->delta(), event->modifiers() == Qt::ControlModifier);
  84     event->accept();
  85 }
  86
  87 void VideoContainer::mouseDoubleClickEvent(QMouseEvent * event)
  88 {
  89     if (!KdenliveSettings::openglmonitors())
  90         switchFullScreen();
  91     event->accept();
  92 }
  93
  94 void VideoContainer::switchFullScreen()
  95 {
  96     // TODO: disable screensaver?
  97     m_monitor->pause();
  98     Qt::WindowFlags flags = windowFlags();
  99     if (!isFullScreen()) {
 100         // Check if we ahave a multiple monitor setup
 101         setUpdatesEnabled(false);
 102 #if QT_VERSION >= 0x040600
 103         int monitors = QApplication::desktop()->screenCount();
 104 #else
 105         int monitors = QApplication::desktop()->numScreens();
 106 #endif
 107         if (monitors > 1) {
 108             QRect screenres;
 109             // Move monitor widget to the second screen (one screen for Kdenlive, the other one for the Monitor widget
 110             int currentScreen = QApplication::desktop()->screenNumber(this);
 111             if (currentScreen < monitors - 1)
 112                 screenres = QApplication::desktop()->screenGeometry(currentScreen + 1);
 113             else
 114                 screenres = QApplication::desktop()->screenGeometry(currentScreen - 1);
 115             move(QPoint(screenres.x(), screenres.y()));
 116             resize(screenres.width(), screenres.height());
 117         }
 118
 119         m_baseFlags = flags & (Qt::Window | Qt::SubWindow);
 120         flags |= Qt::Window;
 121         flags ^= Qt::SubWindow;
 122         setWindowFlags(flags);
 123 #ifdef Q_WS_X11
 124         // This works around a bug with Compiz
 125         // as the window must be visible before we can set the state
 126         show();
 127         raise();
 128         setWindowState(windowState() | Qt::WindowFullScreen);   // set
 129 #else
 130         setWindowState(windowState() | Qt::WindowFullScreen);   // set
 131         setUpdatesEnabled(true);
 132         show();
 133 #endif
 134         setEnabled(true);
 135     } else {
 136         setUpdatesEnabled(false);
 137         flags ^= (Qt::Window | Qt::SubWindow); //clear the flags...
 138         flags |= m_baseFlags; //then we reset the flags (window and subwindow)
 139         setWindowFlags(flags);
 140         setWindowState(windowState()  ^ Qt::WindowFullScreen);   // reset
 141         setUpdatesEnabled(true);
 142         setEnabled(false);
 143         show();
 144     }
 145     m_monitor->unpause();
 146 }