/*****************************************************************************
* input_manager.cpp : Manage an input and interact with its GUI elements
****************************************************************************
- * Copyright (C) 2000-2005 the VideoLAN team
- * $Id: wxwidgets.cpp 15731 2006-05-25 14:43:53Z zorglub $
+ * Copyright (C) 2006 the VideoLAN team
+ * $Id$
*
* Authors: Clément Stenac <zorglub@videolan.org>
*
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
+#include "qt4.hpp"
#include "util/input_slider.hpp"
+#include <QPaintEvent>
+#include <QPainter>
+#include <QBitmap>
+#include <QStyle>
+
InputSlider::InputSlider( QWidget *_parent ) : DirectSlider( _parent )
{
InputSlider::InputSlider( Qt::Horizontal, _parent );
{
mymove = false;
setMinimum( 0 );
+ setMouseTracking(true);
setMaximum( 1000 );
setSingleStep( 2 );
- setPageStep( 1000 );
+ setPageStep( 10 );
setTracking( true );
- connect( this, SIGNAL( valueChanged(int) ), this, SLOT( userDrag( int ) ) );
+ CONNECT( this, valueChanged(int), this, userDrag( int ) );
}
void InputSlider::setPosition( float pos, int a, int b )
{
if( pos == 0.0 )
- {
setEnabled( false );
- }
else
- {
setEnabled( true );
- mymove = true;
- setValue( (int)(pos * 1000.0 ) );
- mymove = false;
- }
+ mymove = true;
+ setValue( (int)(pos * 1000.0 ) );
+ mymove = false;
+ inputLength = b;
}
void InputSlider::userDrag( int new_value )
emit sliderDragged( f_pos );
}
}
+
+void InputSlider::mouseMoveEvent(QMouseEvent *event)
+{
+ char psz_length[MSTRTIME_MAX_SIZE];
+ secstotimestr( psz_length, ( event->x() * inputLength) / size().width() );
+ setToolTip( psz_length );
+}
+
+#define WLENGTH 100 // px
+#define WHEIGHT 28 // px
+#define SOUNDMIN 0 // %
+#define SOUNDMAX 200 // % OR 400 ?
+
+SoundSlider::SoundSlider( QWidget *_parent, int _i_step, bool b_hard )
+ : QAbstractSlider( _parent )
+{
+ padding = 3;
+
+ f_step = ( _i_step * 100 ) / AOUT_VOLUME_MAX ;
+ setRange( SOUNDMIN, b_hard ? (2 * SOUNDMAX) : SOUNDMAX );
+
+ pixOutside = QPixmap( ":/pixmaps/volume-slider-outside.png" );
+
+ const QPixmap temp( ":/pixmaps/volume-slider-inside.png" );
+ const QBitmap mask( temp.createHeuristicMask() );
+
+ setMinimumSize( pixOutside.size() );
+
+ pixGradient = QPixmap( mask.size() );
+
+ QPainter p( &pixGradient );
+ QLinearGradient gradient( padding, 2, WLENGTH , 2 );
+ 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();
+
+ pixGradient.setMask( mask );
+}
+
+void SoundSlider::wheelEvent( QWheelEvent *event )
+{
+ int newvalue = value() + event->delta() / ( 8 * 15 ) * f_step;
+ setValue( __MIN( __MAX( minimum(), newvalue ), maximum() ) );
+
+ emit sliderReleased();
+}
+
+void SoundSlider::mousePressEvent( QMouseEvent *event )
+{
+ if( event->button() != Qt::RightButton )
+ {
+ /* We enter the sliding mode */
+ b_sliding = true;
+ i_oldvalue = value();
+ emit sliderPressed();
+ }
+}
+
+void SoundSlider::mouseReleaseEvent( QMouseEvent *event )
+{
+ if( event->button() != Qt::RightButton )
+ {
+ if( !b_outside && value() != i_oldvalue )
+ {
+ emit sliderReleased();
+ setValue( value() );
+ }
+ b_sliding = false;
+ b_outside = false;
+ }
+}
+
+void SoundSlider::mouseMoveEvent( QMouseEvent *event )
+{
+ if( b_sliding )
+ {
+ QRect rect( padding - 15, padding - 1,
+ WLENGTH + 15 * 2, WHEIGHT + 4 );
+ if( !rect.contains( event->pos() ) )
+ { /* We are outside */
+ if ( !b_outside )
+ setValue( i_oldvalue );
+ b_outside = true;
+ }
+ else
+ { /* We are inside */
+ b_outside = false;
+ changeValue( event->x() - padding );
+ emit sliderMoved( value() );
+ }
+ }
+ else
+ event->ignore();
+}
+
+void SoundSlider::changeValue( int x )
+{
+ setValue( QStyle::sliderValueFromPosition(
+ minimum(), maximum(), x, width() - 2 * padding ) );
+}
+
+void SoundSlider::paintEvent(QPaintEvent *e)
+{
+ QPainter painter( this );
+ const int offset = int( double( ( width() - 2 * padding ) * value() ) / maximum() );
+
+ const QRectF boundsG( 0, 0, offset , pixGradient.height() );
+ painter.drawPixmap( boundsG, pixGradient, boundsG );
+
+ const QRectF boundsO( 0, 0, pixOutside.width(), pixOutside.height() );
+ painter.drawPixmap( boundsO, pixOutside, boundsO );
+
+ painter.end();
+}
+