src/fullview.cpp

   1 /*
   2  * Copyright 2007 Frerich Raabe <raabe@kde.org>
   3  * Copyright 2007 Aaron Seigo <aseigo@kde.org
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #include "fullview.h"
  28
  29 #include <plasma/containment.h>
  30 #include <KStandardDirs>
  31 #include <KIconLoader>
  32 #include <QIcon>
  33 #include <QResizeEvent>
  34
  35 using namespace Plasma;
  36
  37 FullView::FullView(const QString &ff, const QString &loc, QWidget *parent)
  38     : QGraphicsView(parent),
  39       m_formfactor(Plasma::Planar),
  40       m_location(Plasma::Floating),
  41       m_containment(0),
  42       m_applet(0)
  43 {
  44     setFrameStyle(QFrame::NoFrame);
  45     QString formfactor = ff.toLower();
  46     if (formfactor.isEmpty() || formfactor == "planar") {
  47         m_formfactor = Plasma::Planar;
  48     } else if (formfactor == "vertical") {
  49         m_formfactor = Plasma::Vertical;
  50     } else if (formfactor == "horizontal") {
  51         m_formfactor = Plasma::Horizontal;
  52     } else if (formfactor == "mediacenter") {
  53         m_formfactor = Plasma::MediaCenter;
  54     }
  55
  56     QString location = loc.toLower();
  57     if (loc.isEmpty() || loc == "floating") {
  58         m_location = Plasma::Floating;
  59     } else if (loc == "desktop") {
  60         m_location = Plasma::Desktop;
  61     } else if (loc == "fullscreen") {
  62         m_location = Plasma::FullScreen;
  63     } else if (loc == "top") {
  64         m_location = Plasma::TopEdge;
  65     } else if (loc == "bottom") {
  66         m_location = Plasma::BottomEdge;
  67     } else if (loc == "right") {
  68         m_location = Plasma::RightEdge;
  69     } else if (loc == "left") {
  70         m_location = Plasma::LeftEdge;
  71     }
  72
  73     setScene(&m_corona);
  74     connect(&m_corona, SIGNAL(sceneRectChanged(QRectF)),
  75             this, SLOT(sceneRectChanged(QRectF)));
  76     setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  77     setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  78     setAlignment(Qt::AlignLeft | Qt::AlignTop);
  79 }
  80
  81 void FullView::addApplet(const QString &a, const QVariantList &args)
  82 {
  83     m_containment = m_corona.addContainment("null");
  84     m_containment->setFormFactor(m_formfactor);
  85     m_containment->setLocation(m_location);
  86     m_applet = m_containment->addApplet(a, args, QRectF(0, 0, -1, -1));
  87     m_applet->setFlag(QGraphicsItem::ItemIsMovable, false);
  88
  89     setSceneRect(m_applet->geometry());
  90     setWindowTitle(m_applet->name());
  91     setWindowIcon(SmallIcon(m_applet->icon()));
  92 }
  93
  94 void FullView::resizeEvent(QResizeEvent *event)
  95 {
  96     QGraphicsView::resizeEvent(event);
  97
  98     if (!m_applet) {
  99         kDebug() << "no applet";
 100         return;
 101     }
 102
 103     // The applet always keeps its aspect ratio, so let's respect it.
 104     qreal newWidth = 0;
 105     qreal newHeight = 0;
 106
 107     if (m_applet->aspectRatioMode() == Plasma::KeepAspectRatio) {
 108         float ratio = event->oldSize().width() / event->oldSize().height();
 109         float newPossibleWidth = size().height() * ratio;
 110         if (newPossibleWidth > size().width()) {
 111             newHeight = size().width() / ratio;
 112             newWidth = newHeight * ratio;
 113         } else {
 114             newWidth = newPossibleWidth;
 115             newHeight = newWidth / ratio;
 116         }
 117     } else {
 118         newWidth = size().width();
 119         newHeight = size().height();
 120     }
 121
 122     m_containment->resize(size());
 123     kDebug() << "New Containment size:" << m_containment->geometry().width() << m_containment->geometry().height();
 124     m_applet->resize(QSizeF(newWidth, newHeight));
 125 }
 126
 127 void FullView::sceneRectChanged(const QRectF &rect)
 128 {
 129     if(m_applet)
 130     {
 131         setSceneRect(m_applet->geometry());
 132     }
 133 }
 134
 135 //#include "fullview.moc"
 136