[vlc-commits] Qt: EPG: add channels line background

[Francois Cartegnie]

vlc | branch: master | Francois Cartegnie <fcvlcdev at free.fr> | Wed Mar 23 21:30:29 2011 +0100| [c93ea88c464a43cd694d0642bf026e5fe67caf2b] | committer: Francois Cartegnie

Qt: EPG: add channels line background

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=c93ea88c464a43cd694d0642bf026e5fe67caf2b
---

 modules/gui/qt4/components/epg/EPGItem.cpp |    7 ++++++-
 modules/gui/qt4/components/epg/EPGItem.hpp |    1 +
 modules/gui/qt4/components/epg/EPGView.cpp |   12 +++++++++++-
 modules/gui/qt4/components/epg/EPGView.hpp |   10 ++++++++++
 4 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/modules/gui/qt4/components/epg/EPGItem.cpp b/modules/gui/qt4/components/epg/EPGItem.cpp
index 5c61a85..de5c9b6 100644
--- a/modules/gui/qt4/components/epg/EPGItem.cpp
+++ b/modules/gui/qt4/components/epg/EPGItem.cpp
@@ -191,7 +191,12 @@ void EPGItem::updatePos()
 void EPGItem::hoverEnterEvent ( QGraphicsSceneHoverEvent * event )
 {
     event->accept();
-    update();
+    scene()->update();
+}
+
+void EPGItem::hoverLeaveEvent ( QGraphicsSceneHoverEvent * event )
+{ /* required to redraw our background without flaws */
+    hoverEnterEvent( event );
 }
 
 void EPGItem::focusInEvent( QFocusEvent * event )
diff --git a/modules/gui/qt4/components/epg/EPGItem.hpp b/modules/gui/qt4/components/epg/EPGItem.hpp
index e1ec959..60cc63d 100644
--- a/modules/gui/qt4/components/epg/EPGItem.hpp
+++ b/modules/gui/qt4/components/epg/EPGItem.hpp
@@ -59,6 +59,7 @@ public:
 protected:
     virtual void focusInEvent( QFocusEvent * event );
     virtual void hoverEnterEvent ( QGraphicsSceneHoverEvent * );
+    virtual void hoverLeaveEvent ( QGraphicsSceneHoverEvent * );
 
 private:
     EPGView     *m_view;
diff --git a/modules/gui/qt4/components/epg/EPGView.cpp b/modules/gui/qt4/components/epg/EPGView.cpp
index 15edd62..53cd25d 100644
--- a/modules/gui/qt4/components/epg/EPGView.cpp
+++ b/modules/gui/qt4/components/epg/EPGView.cpp
@@ -31,6 +31,16 @@
 #include <QtDebug>
 #include <QGraphicsTextItem>
 
+EPGGraphicsScene::EPGGraphicsScene( QObject *parent ) : QGraphicsScene( parent )
+{}
+
+void EPGGraphicsScene::drawBackground( QPainter *painter, const QRectF &rect)
+{
+    painter->setPen( QPen( QColor( 224, 224, 224 ) ) );
+    for( int y = rect.top() + TRACKS_HEIGHT ; y < rect.bottom() ; y += TRACKS_HEIGHT )
+       painter->drawLine( QLineF( rect.left(), y, rect.right(), y ) );
+}
+
 EPGView::EPGView( QWidget *parent ) : QGraphicsView( parent )
 {
     setContentsMargins( 0, 0, 0, 0 );
@@ -39,7 +49,7 @@ EPGView::EPGView( QWidget *parent ) : QGraphicsView( parent )
 
     m_startTime = QDateTime::currentDateTime();
 
-    QGraphicsScene *EPGscene = new QGraphicsScene( this );
+    EPGGraphicsScene *EPGscene = new EPGGraphicsScene( this );
 
     setScene( EPGscene );
 }
diff --git a/modules/gui/qt4/components/epg/EPGView.hpp b/modules/gui/qt4/components/epg/EPGView.hpp
index f26359d..e49a6e2 100644
--- a/modules/gui/qt4/components/epg/EPGView.hpp
+++ b/modules/gui/qt4/components/epg/EPGView.hpp
@@ -27,6 +27,7 @@
 #include "EPGItem.hpp"
 
 #include <QGraphicsView>
+#include <QGraphicsScene>
 #include <QList>
 #include <QMap>
 #include <QMutex>
@@ -37,6 +38,15 @@
 typedef QMap<QDateTime, EPGItem *> EPGEventByTimeQMap;
 typedef QMap<QString, EPGEventByTimeQMap* > EPGTimeMapByChannelQMap;
 
+class EPGGraphicsScene : public QGraphicsScene
+{
+Q_OBJECT
+public:
+    explicit EPGGraphicsScene( QObject *parent = 0 );
+protected:
+    void drawBackground ( QPainter *, const QRectF &);
+};
+
 class EPGView : public QGraphicsView
 {
 Q_OBJECT