1 /*****************************************************************************
2 * input_manager.cpp : Manage an input and interact with its GUI elements
3 ****************************************************************************
4 * Copyright (C) 2006 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * Jean-Baptiste Kempf <jb@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
29 #include "util/input_slider.hpp"
31 #include <QPaintEvent>
36 InputSlider::InputSlider( QWidget *_parent ) : QSlider( _parent )
38 InputSlider::InputSlider( Qt::Horizontal, _parent );
41 InputSlider::InputSlider( Qt::Orientation q,QWidget *_parent ) :
46 setMouseTracking(true);
51 setPosition( 0.0, 0, 0 );
52 secstotimestr( psz_length, 0 );
53 CONNECT( this, valueChanged(int), this, userDrag( int ) );
56 void InputSlider::setPosition( float pos, int a, int b )
64 setValue( (int)(pos * 1000.0 ) );
68 void InputSlider::userDrag( int new_value )
72 float f_pos = (float)(new_value)/1000.0;
73 emit sliderDragged( f_pos );
77 void InputSlider::mouseReleaseEvent( QMouseEvent *event )
82 void InputSlider::mousePressEvent(QMouseEvent* event)
85 if( event->button() != Qt::LeftButton &&
86 event->button() != Qt::MidButton )
88 QSlider::mousePressEvent( event );
92 QMouseEvent newEvent( event->type(), event->pos(), event->globalPos(),
93 Qt::MouseButton( event->button() ^ Qt::LeftButton ^ Qt::MidButton ),
94 Qt::MouseButtons( event->buttons() ^ Qt::LeftButton ^ Qt::MidButton ),
96 QSlider::mousePressEvent( &newEvent );
99 void InputSlider::mouseMoveEvent(QMouseEvent *event)
103 QSlider::mouseMoveEvent( event );
106 secstotimestr( psz_length, ( event->x() * inputLength) / size().width() );
107 setToolTip( psz_length );
110 /* This work is derived from Amarok's work under GPLv2+
114 #define WLENGTH 80 // px
115 #define WHEIGHT 22 // px
116 #define SOUNDMIN 0 // %
117 #define SOUNDMAX 200 // % OR 400 ?
119 SoundSlider::SoundSlider( QWidget *_parent, int _i_step, bool b_hard,
121 : QAbstractSlider( _parent )
126 f_step = ( _i_step * 100 ) / AOUT_VOLUME_MAX ;
127 setRange( SOUNDMIN, b_hard ? (2 * SOUNDMAX) : SOUNDMAX );
128 setMouseTracking( true );
131 pixOutside = QPixmap( ":/volslide-outside" );
133 const QPixmap temp( ":/volslide-inside" );
134 const QBitmap mask( temp.createHeuristicMask() );
136 setMinimumSize( pixOutside.size() );
138 pixGradient = QPixmap( mask.size() );
140 /* Gradient building from the preferences */
141 QLinearGradient gradient( paddingL, 3, WLENGTH + paddingL , 3 );
143 QStringList colorList = qfu( psz_colors ).split( ";" );
146 /* Fill with 255 if the list is too short */
147 if( colorList.size() < 12 )
148 for( int i = colorList.size(); i < 12; i++)
149 colorList.append( "255" );
151 #define c(i) colorList.at(i).toInt()
152 gradient.setColorAt( 0.0, QColor( c(0), c(1), c(2) ) );
153 gradient.setColorAt( 0.2, QColor( c(3), c(4), c(5) ) );
154 gradient.setColorAt( 0.5, QColor( c(6), c(7), c(8) ) );
155 gradient.setColorAt( 1.0, QColor( c(9), c(10), c(11) ) );
157 QPainter painter( &pixGradient );
158 painter.setPen( Qt::NoPen );
159 painter.setBrush( gradient );
160 painter.drawRect( pixGradient.rect() );
163 pixGradient.setMask( mask );
166 void SoundSlider::wheelEvent( QWheelEvent *event )
168 int newvalue = value() + event->delta() / ( 8 * 15 ) * f_step;
169 setValue( __MIN( __MAX( minimum(), newvalue ), maximum() ) );
171 emit sliderReleased();
174 void SoundSlider::mousePressEvent( QMouseEvent *event )
176 if( event->button() != Qt::RightButton )
178 /* We enter the sliding mode */
180 i_oldvalue = value();
181 emit sliderPressed();
182 changeValue( event->x() - paddingL );
186 void SoundSlider::mouseReleaseEvent( QMouseEvent *event )
188 if( event->button() != Qt::RightButton )
190 if( !b_outside && value() != i_oldvalue )
192 emit sliderReleased();
200 void SoundSlider::mouseMoveEvent( QMouseEvent *event )
204 QRect rect( paddingL - 15, -1,
205 WLENGTH + 15 * 2, WHEIGHT + 5 );
206 if( !rect.contains( event->pos() ) )
207 { /* We are outside */
209 setValue( i_oldvalue );
213 { /* We are inside */
215 changeValue( event->x() - paddingL );
216 emit sliderMoved( value() );
221 int i = ( event->x() - paddingL ) * maximum() / WLENGTH;
222 i = __MIN( __MAX( 0, i ), maximum() );
223 setToolTip( QString("%1 \%" ).arg( i ) );
227 void SoundSlider::changeValue( int x )
229 setValue( x * maximum() / WLENGTH );
232 void SoundSlider::paintEvent(QPaintEvent *e)
234 QPainter painter( this );
235 const int offset = int(
236 double( WLENGTH * value() ) /
237 double( maximum() ) ) + paddingL;
239 const QRectF boundsG( 0, 0, offset , pixGradient.height() );
240 painter.drawPixmap( boundsG, pixGradient, boundsG );
242 const QRectF boundsO( 0, 0, pixOutside.width(), pixOutside.height() );
243 painter.drawPixmap( boundsO, pixOutside, boundsO );
245 painter.setPen( palette().color( QPalette::Active, QPalette::Mid ) );
246 QFont font; font.setPixelSize( 9 );
247 painter.setFont( font );
248 const QRect rect( 0, 0, 34, 15 );
249 painter.drawText( rect, Qt::AlignRight | Qt::AlignVCenter,
250 QString::number( value() ) + '%' );