Qt: use float for rate and fix a bug when mouseWheeling

modules/gui/qt4/components/interface_widgets.cpp

@@ -426,11 +426,11 @@ SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, QWidget *parent )
     speedControlMenu->addAction( widgetAction );
 
     /* Change the SpeedRate in the Status Bar */
-    CONNECT( THEMIM->getIM(), rateChanged( int ), this, setRate( int ) );
+    CONNECT( THEMIM->getIM(), rateChanged( float ), this, setRate( float ) );
 
     DCONNECT( THEMIM, inputChanged( input_thread_t * ),
               speedControl, activateOnState() );
-    setRate( INPUT_RATE_DEFAULT / var_InheritFloat( p_intf, "rate" ) );
+    setRate( var_InheritFloat( p_intf, "rate" ) );
 }
 
 SpeedLabel::~SpeedLabel()
@@ -449,10 +449,10 @@ void SpeedLabel::showSpeedMenu( QPoint pos )
                           + QPoint( 0, height() ) );
 }
 
-void SpeedLabel::setRate( int rate )
+void SpeedLabel::setRate( float rate )
 {
     QString str;
-    str.setNum( ( 1000 / (double)rate ), 'f', 2 );
+    str.setNum( rate, 'f', 2 );
     str.append( "x" );
     setText( str );
     setToolTip( str );
@@ -480,7 +480,7 @@ SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
     speedSlider->setPageStep( 1 );
     speedSlider->setTickInterval( 17 );
 
-    CONNECT( speedSlider, sliderMoved( int ), this, updateRate( int ) );
+    CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
 
     QToolButton *normalSpeedButton = new QToolButton( this );
     normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
@@ -504,7 +504,7 @@ void SpeedControlWidget::activateOnState()
     speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
 }
 
-void SpeedControlWidget::updateControls( int rate )
+void SpeedControlWidget::updateControls( float rate )
 {
     if( speedSlider->isSliderDown() )
     {
@@ -512,7 +512,7 @@ void SpeedControlWidget::updateControls( int rate )
         return;
     }
 
-    double value = 17 * log( (double)INPUT_RATE_DEFAULT / rate ) / log( 2 );
+    double value = 17 * log( rate ) / log( 2 );
     int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
 
     if( sliderValue < speedSlider->minimum() )

modules/gui/qt4/components/interface_widgets.hpp

@@ -172,7 +172,7 @@ protected:
     }
 private slots:
     void showSpeedMenu( QPoint );
-    void setRate( int );
+    void setRate( float );
 private:
     intf_thread_t *p_intf;
     QMenu *speedControlMenu;
@@ -185,7 +185,7 @@ class SpeedControlWidget : public QFrame
     Q_OBJECT
 public:
     SpeedControlWidget( intf_thread_t *, QWidget * );
-    void updateControls( int );
+    void updateControls( float );
 private:
     intf_thread_t *p_intf;
     QSlider *speedSlider;

modules/gui/qt4/input_manager.cpp

@@ -79,7 +79,7 @@ InputManager::InputManager( QObject *parent, intf_thread_t *_p_intf) :
     artUrl       = "";
     p_input      = NULL;
     p_input_vbi  = NULL;
-    i_rate       = 0;
+    f_rate       = 0;
     p_item       = NULL;
     b_video      = false;
     timeA        = 0;
@@ -111,14 +111,14 @@ void InputManager::setInput( input_thread_t *_p_input )
         UpdateVout();
         addCallbacks();
         p_item = input_GetItem( p_input );
-        emit rateChanged( INPUT_RATE_DEFAULT / var_GetFloat( p_input, "rate" ) );
+        emit rateChanged( var_GetFloat( p_input, "rate" ) );
     }
     else
     {
         p_input = NULL;
         p_item = NULL;
         assert( !p_input_vbi );
-        emit rateChanged( INPUT_RATE_DEFAULT / var_InheritFloat( p_intf, "rate" ) );
+        emit rateChanged( var_InheritFloat( p_intf, "rate" ) );
     }
 }
 
@@ -149,7 +149,7 @@ void InputManager::delInput()
     p_input = NULL;
 
     emit positionUpdated( -1.0, 0 ,0 );
-    emit rateChanged( INPUT_RATE_DEFAULT / var_InheritFloat( p_intf, "rate" ) );
+    emit rateChanged( var_InheritFloat( p_intf, "rate" ) );
     emit nameChanged( "" );
     emit chapterChanged( 0 );
     emit titleChanged( 0 );
@@ -431,12 +431,12 @@ void InputManager::UpdateStatus()
 void InputManager::UpdateRate()
 {
     /* Update Rate */
-    int i_new_rate = INPUT_RATE_DEFAULT / var_GetFloat( p_input, "rate" );
-    if( i_new_rate != i_rate )
+    float f_new_rate = var_GetFloat( p_input, "rate" );
+    if( f_new_rate != f_rate )
     {
-        i_rate = i_new_rate;
+        f_rate = f_new_rate;
         /* Update rate */
-        emit rateChanged( i_rate );
+        emit rateChanged( f_rate );
     }
 }
 

modules/gui/qt4/input_manager.hpp

@@ -144,7 +144,7 @@ private:
     int             i_old_playing_status;
     QString         oldName;
     QString         artUrl;
-    int             i_rate;
+    float           f_rate;
     float           f_cache;
     bool            b_video;
     mtime_t         timeA, timeB;
@@ -204,7 +204,7 @@ signals:
     /// Send new position, new time and new length
     void positionUpdated( float , int64_t, int );
     void seekRequested( float pos );
-    void rateChanged( int );
+    void rateChanged( float );
     void nameChanged( const QString& );
     /// Used to signal whether we should show navigation buttons
     void titleChanged( bool );