Qt: reset EPG data when input type changes

modules/gui/qt4/components/epg/EPGWidget.cpp

@@ -36,6 +36,7 @@
 
 EPGWidget::EPGWidget( QWidget *parent ) : QWidget( parent )
 {
+    b_input_type_known = false;
     m_rulerWidget = new EPGRuler( this );
     m_epgView = new EPGView( this );
     m_channelsWidget = new EPGChannels( this, m_epgView );
@@ -71,6 +72,20 @@ EPGWidget::~EPGWidget()
             delete item;
 }
 
+void EPGWidget::reset()
+{
+    foreach( const QString &str, m_events.uniqueKeys() )
+        foreach( EPGEvent *item, m_events.values( str ) )
+        {
+            m_epgView->delEvent( item );
+            m_events.remove( str, item );
+            delete item;
+        }
+    m_epgView->updateDuration();
+    m_epgView->updateStartTime();
+    m_channelsWidget->update();
+}
+
 void EPGWidget::setZoom( int level )
 {
     double scale = (double)level / 20;
@@ -78,13 +93,18 @@ void EPGWidget::setZoom( int level )
     m_rulerWidget->setScale( scale );
 }
 
-void EPGWidget::updateEPG( vlc_epg_t **pp_epg, int i_epg )
+void EPGWidget::updateEPG( vlc_epg_t **pp_epg, int i_epg, uint8_t i_input_type )
 {
     QStringList channelsList;
     EPGEvent* item;
     /* FIXME: dvb time might be from the next timezone */
     QDateTime timeReference = QDateTime::currentDateTime();
 
+    /* flush our EPG data if input type has changed */
+    if ( b_input_type_known && i_input_type != i_event_source_type ) reset();
+    i_event_source_type = i_input_type;
+    b_input_type_known = true;
+
     /* flag all entries as non updated */
     foreach( const QString &str, m_events.uniqueKeys() )
         foreach( item, m_events.values( str ) )

modules/gui/qt4/components/epg/EPGWidget.hpp

@@ -43,10 +43,11 @@ class EPGWidget : public QWidget
 public:
     explicit EPGWidget( QWidget* parent = 0 );
     ~EPGWidget();
+    void reset();
 
 public slots:
     void setZoom( int level );
-    void updateEPG( vlc_epg_t **pp_epg, int i_epg );
+    void updateEPG( vlc_epg_t **pp_epg, int i_epg, uint8_t i_input_type );
 
 private:
     EPGRuler* m_rulerWidget;
@@ -54,6 +55,8 @@ private:
     EPGChannels *m_channelsWidget;
 
     QMultiMap<QString, EPGEvent*> m_events;
+    uint8_t i_event_source_type;
+    bool b_input_type_known;
 
 signals:
     void itemSelectionChanged( EPGEvent * );

modules/gui/qt4/dialogs/epg.cpp

@@ -73,6 +73,7 @@ EpgDialog::EpgDialog( intf_thread_t *_p_intf ): QVLCFrame( _p_intf )
 
     CONNECT( epg, itemSelectionChanged( EPGEvent *), this, showEvent( EPGEvent *) );
     CONNECT( THEMIM->getIM(), epgChanged(), this, updateInfos() );
+    CONNECT( THEMIM, inputChanged( input_thread_t * ), this, updateInfos() );
 
     QDialogButtonBox *buttonsBox = new QDialogButtonBox( this );
 
@@ -121,8 +122,10 @@ void EpgDialog::showEvent( EPGEvent *event )
 void EpgDialog::updateInfos()
 {
     if( !THEMIM->getInput() ) return;
-
-    msg_Dbg( p_intf, "Found %i EPG items", input_GetItem( THEMIM->getInput())->i_epg);
-    epg->updateEPG( input_GetItem( THEMIM->getInput())->pp_epg, input_GetItem( THEMIM->getInput())->i_epg );
+    int i_nbitems = input_GetItem( THEMIM->getInput())->i_epg;
+    if ( i_nbitems > 0 ) msg_Dbg( p_intf, "Found %i EPG items", i_nbitems );
+    epg->updateEPG( input_GetItem( THEMIM->getInput())->pp_epg,
+                    input_GetItem( THEMIM->getInput())->i_epg,
+                    input_GetItem( THEMIM->getInput())->i_type);
 
 }