Qt: renaming variables and simple cleanups in seekslider

(cherry picked from commit 0147fb79c23a80a3a3fbaddaa6362a5ab9d5ee9a)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/qt4/util/input_slider.cpp

@@ -58,7 +58,7 @@
 SeekSlider::SeekSlider( Qt::Orientation q, QWidget *_parent )
           : QSlider( q, _parent )
 {
-    b_isSliding = false;
+    isSliding = false;
     f_buffering = 1.0;
     mHandleOpacity = 1.0;
     chapters = NULL;
@@ -128,12 +128,12 @@ void SeekSlider::setPosition( float pos, int64_t time, int length )
     if( pos == -1.0 )
     {
         setEnabled( false );
-        b_isSliding = false;
+        isSliding = false;
     }
     else
         setEnabled( true );
 
-    if( !b_isSliding )
+    if( !isSliding )
         setValue( (int)( pos * 1000.0 ) );
 
     inputLength = length;
@@ -142,7 +142,7 @@ void SeekSlider::setPosition( float pos, int64_t time, int length )
 void SeekSlider::startSeekTimer()
 {
     /* Only fire one update, when sliding, every 150ms */
-    if( b_isSliding && !seekLimitTimer->isActive() )
+    if( isSliding && !seekLimitTimer->isActive() )
         seekLimitTimer->start( 150 );
 }
 
@@ -161,11 +161,11 @@ void SeekSlider::updateBuffering( float f_buffering_ )
 void SeekSlider::mouseReleaseEvent( QMouseEvent *event )
 {
     event->accept();
-    b_isSliding = false;
+    isSliding = false;
     seekLimitTimer->stop(); /* We're not sliding anymore: only last seek on release */
-    if ( b_is_jumping )
+    if ( isJumping )
     {
-        b_is_jumping = false;
+        isJumping = false;
         return;
     }
     QSlider::mouseReleaseEvent( event );
@@ -182,7 +182,7 @@ void SeekSlider::mousePressEvent( QMouseEvent* event )
         return;
     }
 
-    b_is_jumping = false;
+    isJumping = false;
     /* handle chapter clicks */
     int i_width = size().width();
     if ( chapters && inputLength && i_width)
@@ -213,21 +213,21 @@ void SeekSlider::mousePressEvent( QMouseEvent* event )
                 {
                     chapters->jumpTo( i_selected );
                     event->accept();
-                    b_is_jumping = true;
+                    isJumping = true;
                     return;
                 }
             }
         }
     }
 
-    b_isSliding = true ;
+    isSliding = true ;
     setValue( QStyle::sliderValueFromPosition( MINIMUM, MAXIMUM, event->x(), width(), false ) );
     event->accept();
 }
 
 void SeekSlider::mouseMoveEvent( QMouseEvent *event )
 {
-    if( b_isSliding )
+    if( isSliding )
     {
         setValue( QStyle::sliderValueFromPosition( MINIMUM, MAXIMUM, event->x(), width(), false) );
         emit sliderMoved( value() );
@@ -270,7 +270,7 @@ void SeekSlider::mouseMoveEvent( QMouseEvent *event )
 void SeekSlider::wheelEvent( QWheelEvent *event )
 {
     /* Don't do anything if we are for somehow reason sliding */
-    if( !b_isSliding )
+    if( !isSliding )
     {
         setValue( value() + event->delta() / 12 ); /* 12 = 8 * 15 / 10
          Since delta is in 1/8 of ° and mouse have steps of 15 °
@@ -572,7 +572,7 @@ SoundSlider::SoundSlider( QWidget *_parent, int _i_step, bool b_hard,
     f_step = ( _i_step * 100 ) / AOUT_VOLUME_MAX ;
     setRange( SOUNDMIN, b_hard ? (2 * SOUNDMAX) : SOUNDMAX  );
     setMouseTracking( true );
-    b_isSliding = false;
+    isSliding = false;
     b_mouseOutside = true;
     b_isMuted = false;
 
@@ -651,7 +651,7 @@ void SoundSlider::mousePressEvent( QMouseEvent *event )
     if( event->button() != Qt::RightButton )
     {
         /* We enter the sliding mode */
-        b_isSliding = true;
+        isSliding = true;
         i_oldvalue = value();
         emit sliderPressed();
         changeValue( event->x() - paddingL );
@@ -669,14 +669,14 @@ void SoundSlider::mouseReleaseEvent( QMouseEvent *event )
             setValue( value() );
             emit sliderMoved( value() );
         }
-        b_isSliding = false;
+        isSliding = false;
         b_mouseOutside = false;
     }
 }
 
 void SoundSlider::mouseMoveEvent( QMouseEvent *event )
 {
-    if( b_isSliding )
+    if( isSliding )
     {
         QRect rect( paddingL - 15,    -1,
                     WLENGTH + 15 * 2 , WHEIGHT + 5 );

modules/gui/qt4/util/input_slider.hpp

@@ -46,7 +46,7 @@ class SeekSlider : public QSlider
     Q_OBJECT
     Q_PROPERTY(qreal handleOpacity READ handleOpacity WRITE setHandleOpacity)
 public:
-    SeekSlider( Qt::Orientation q, QWidget *_parent );
+    SeekSlider( Qt::Orientation q, QWidget *_parent = 0 );
     ~SeekSlider();
     void setChapters( SeekPoints * );
 
@@ -63,16 +63,17 @@ protected:
     virtual bool eventFilter( QObject *obj, QEvent *event );
 
     QSize handleSize() const;
-    QSize sizeHint() const;
+    virtual QSize sizeHint() const;
+
     bool isAnimationRunning() const;
     qreal handleOpacity() const;
     void setHandleOpacity( qreal opacity );
 
 private:
-    bool b_isSliding;       /* Whether we are currently sliding by user action */
-    bool b_is_jumping;      /* if we requested a jump to another chapter */
-    int inputLength;        /* InputLength that can change */
-    char psz_length[MSTRTIME_MAX_SIZE]; /* Used for the ToolTip */
+    bool isSliding;        /* Whether we are currently sliding by user action */
+    bool isJumping;              /* if we requested a jump to another chapter */
+    int inputLength;                           /* InputLength that can change */
+    char psz_length[MSTRTIME_MAX_SIZE];               /* Used for the ToolTip */
     QTimer *seekLimitTimer;
     TimeTooltip *mTimeTooltip;
     float f_buffering;
@@ -118,7 +119,7 @@ protected:
     virtual void mouseReleaseEvent( QMouseEvent * );
 
 private:
-    bool b_isSliding; /* Whether we are currently sliding by user action */
+    bool isSliding; /* Whether we are currently sliding by user action */
     bool b_mouseOutside; /* Whether the mouse is outside or inside the Widget */
     int i_oldvalue; /* Store the old Value before changing */
     float f_step; /* How much do we increase each time we wheel */