Qt4 - Support for VolumeMuteKey, as spotted by DGMurdockIII

[vlc] / modules / gui / qt4 / util / input_slider.cpp

diff --git a/modules/gui/qt4/util/input_slider.cpp b/modules/gui/qt4/util/input_slider.cpp
index 73240774d7ef23d7da2da4deaba5c72065960ae4..cdb6f6ce3114778e75aa9486cc36f99ee881a759 100644 (file)
--- a/modules/gui/qt4/util/input_slider.cpp
+++ b/modules/gui/qt4/util/input_slider.cpp
@@ -21,7 +21,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
-#include "qt4.hpp"
 #include "util/input_slider.hpp"
 
 #include <QPaintEvent>
@@ -29,21 +28,22 @@
 #include <QBitmap>
 #include <QStyle>
 
-InputSlider::InputSlider( QWidget *_parent ) : DirectSlider( _parent )
+InputSlider::InputSlider( QWidget *_parent ) : QSlider( _parent )
 {
     InputSlider::InputSlider( Qt::Horizontal, _parent );
 }
 
 InputSlider::InputSlider( Qt::Orientation q,QWidget *_parent ) :
-                                 DirectSlider( q, _parent )
+                                 QSlider( q, _parent )
 {
-    mymove = false;
+    b_sliding = false;
     setMinimum( 0 );
     setMouseTracking(true);
     setMaximum( 1000 );
     setSingleStep( 2 );
     setPageStep( 10 );
     setTracking( true );
+    secstotimestr( psz_length, 0 );
     CONNECT( this, valueChanged(int), this, userDrag( int ) );
 }
 
@@ -53,37 +53,68 @@ void InputSlider::setPosition( float pos, int a, int b )
         setEnabled( false );
     else
         setEnabled( true );
-    mymove = true;
-    setValue( (int)(pos * 1000.0 ) );
-    mymove = false;
+
+    if( !b_sliding )
+        setValue( (int)(pos * 1000.0 ) );
     inputLength = b;
 }
 
 void InputSlider::userDrag( int new_value )
 {
-    float f_pos = (float)(new_value)/1000.0;
-    if( !mymove )
+    if( b_sliding )
     {
+        float f_pos = (float)(new_value)/1000.0;
         emit sliderDragged( f_pos );
     }
 }
 
+void InputSlider::mouseReleaseEvent( QMouseEvent *event )
+{
+    b_sliding = false;
+}
+
+void InputSlider::mousePressEvent(QMouseEvent* event)
+{
+    b_sliding = true ;
+    if( event->button() != Qt::LeftButton &&
+        event->button() != Qt::MidButton )
+    {
+        QSlider::mousePressEvent( event );
+        return;
+    }
+
+    QMouseEvent newEvent( event->type(), event->pos(), event->globalPos(),
+        Qt::MouseButton( event->button() ^ Qt::LeftButton ^ Qt::MidButton ),
+        Qt::MouseButtons( event->buttons() ^ Qt::LeftButton ^ Qt::MidButton ),
+        event->modifiers() );
+    QSlider::mousePressEvent( &newEvent );
+}
+
 void InputSlider::mouseMoveEvent(QMouseEvent *event)
 {
-    char psz_length[MSTRTIME_MAX_SIZE];
+    if( b_sliding )
+    {
+        QSlider::mouseMoveEvent( event );
+    }
+
     secstotimestr( psz_length, ( event->x() * inputLength) / size().width() );
     setToolTip( psz_length );
 }
 
-#define WLENGTH   100 // px
-#define WHEIGHT   28  // px
+/* This work is derived from Amarok's work under GPLv2+
+    - Mark Kretschmann
+    - Gábor Lehel
+   */
+#define WLENGTH   90 // px
+#define WHEIGHT   25  // px
 #define SOUNDMIN  0   // %
 #define SOUNDMAX  200 // % OR 400 ?
 
 SoundSlider::SoundSlider( QWidget *_parent, int _i_step, bool b_hard )
                         : QAbstractSlider( _parent )
 {
-    padding = 3;
+    paddingL = 5;
+    paddingR = 3;
 
     f_step = ( _i_step * 100 ) / AOUT_VOLUME_MAX ;
     setRange( SOUNDMIN, b_hard ? (2 * SOUNDMAX) : SOUNDMAX  );
@@ -97,19 +128,19 @@ SoundSlider::SoundSlider( QWidget *_parent, int _i_step, bool b_hard )
 
     pixGradient = QPixmap( mask.size() );
 
-    QPainter p( &pixGradient );
-    QLinearGradient gradient( padding, 2, WLENGTH , 2 );
+    QLinearGradient gradient( paddingL, 4, WLENGTH + paddingL , 4 );
     gradient.setColorAt( 0.0, Qt::white );
     gradient.setColorAt( 0.2, QColor( 20, 226, 20 ) );
     gradient.setColorAt( 0.5, QColor( 255, 176, 15 ) );
     gradient.setColorAt( 1.0, QColor( 235, 30, 20 ) );
-    p.setPen( Qt::NoPen );
-    p.setBrush( gradient );
 
-    p.drawRect( pixGradient.rect() );
-    p.end();
+    QPainter painter( &pixGradient );
+    painter.setPen( Qt::NoPen );
+    painter.setBrush( gradient );
+    painter.drawRect( pixGradient.rect() );
+    painter.end();
 
-   pixGradient.setMask( mask );
+    pixGradient.setMask( mask );
 }
 
 void SoundSlider::wheelEvent( QWheelEvent *event )
@@ -128,6 +159,7 @@ void SoundSlider::mousePressEvent( QMouseEvent *event )
         b_sliding = true;
         i_oldvalue = value();
         emit sliderPressed();
+        changeValue( event->x() - paddingL );
     }
 }
 
@@ -149,7 +181,7 @@ void SoundSlider::mouseMoveEvent( QMouseEvent *event )
 {
     if( b_sliding )
     {
-        QRect rect( padding - 15,     padding - 1,
+        QRect rect( paddingL - 15,    -1,
                     WLENGTH + 15 * 2, WHEIGHT + 4 );
         if( !rect.contains( event->pos() ) )
         { /* We are outside */
@@ -160,7 +192,7 @@ void SoundSlider::mouseMoveEvent( QMouseEvent *event )
         else
         { /* We are inside */
             b_outside = false;
-            changeValue( event->x() - padding );
+            changeValue( event->x() - paddingL );
             emit sliderMoved( value() );
         }
     }
@@ -170,14 +202,15 @@ void SoundSlider::mouseMoveEvent( QMouseEvent *event )
 
 void SoundSlider::changeValue( int x )
 {
-    setValue( QStyle::sliderValueFromPosition(
-                minimum(), maximum(), x, width() - 2 * padding ) );
+    setValue( x * maximum() / WLENGTH );
 }
 
 void SoundSlider::paintEvent(QPaintEvent *e)
 {
     QPainter painter( this );
-    const int offset = int( double( ( width() - 2 * padding ) * value() ) / maximum() );
+    const int offset = int(
+            double( WLENGTH * value() ) /
+            double( maximum() ) ) + paddingL;
 
     const QRectF boundsG( 0, 0, offset , pixGradient.height() );
     painter.drawPixmap( boundsG, pixGradient, boundsG );
@@ -185,6 +218,13 @@ void SoundSlider::paintEvent(QPaintEvent *e)
     const QRectF boundsO( 0, 0, pixOutside.width(), pixOutside.height() );
     painter.drawPixmap( boundsO, pixOutside, boundsO );
 
+    painter.setPen( palette().color( QPalette::Active, QPalette::Mid ) );
+    QFont font; font.setPixelSize( 9 );
+    painter.setFont( font );
+    const QRect rect( 0, 0, 34, 15 );
+    painter.drawText( rect, Qt::AlignRight | Qt::AlignVCenter,
+                      QString::number( value() ) + '%' );
+
     painter.end();
 }