Qt: buffering slider option should be 0 when the cache is empty

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/qt4/input_manager.cpp

@@ -212,7 +212,7 @@ void InputManager::delInput()
     emit encryptionChanged( false );
     emit recordingStateChanged( false );
 
-    emit cachingChanged( 1 );
+    emit cachingChanged( 0.0 );
 }
 
 /* Convert the event from the callbacks in actions */

modules/gui/qt4/styles/seekstyle.cpp

@@ -128,7 +128,7 @@ void SeekStyle::drawComplexControl( ComplexControl cc, const QStyleOptionComplex
                 }
 
                 /* draw buffering overlay */
-                if ( slideroptions->buffering < 1.0 )
+                if ( slideroptions->buffering > 0.0 && slideroptions->buffering < 1.0 )
                 {
                     QRect innerRect = groove.adjusted( 1, 1,
                                         groove.width() * ( -1.0 + slideroptions->buffering ) - 1, 0 );

modules/gui/qt4/util/input_slider.cpp

@@ -60,7 +60,7 @@ SeekSlider::SeekSlider( Qt::Orientation q, QWidget *_parent, bool _static )
 {
     isSliding = false;
     isJumping = false;
-    f_buffering = 1.0;
+    f_buffering = 0.0;
     mHandleOpacity = 1.0;
     chapters = NULL;
     mHandleLength = -1;
@@ -393,7 +393,7 @@ void SeekSlider::paintEvent( QPaintEvent *ev )
         if ( QTime::currentTime() > bufferingStart.addSecs( 1 ) )
             option.buffering = f_buffering;
         else
-            option.buffering = 1.0;
+            option.buffering = 0.0;
         option.length = inputLength;
         option.animate = ( animHandle->state() == QAbstractAnimation::Running
                            || hideHandleTimer->isActive() );