src/YQRadioButton.cc

   1 /*---------------------------------------------------------------------\
   2 |                                                                      |
   3 |                      __   __    ____ _____ ____                      |
   4 |                      \ \ / /_ _/ ___|_   _|___ \                     |
   5 |                       \ V / _` \___ \ | |   __) |                    |
   6 |                        | | (_| |___) || |  / __/                     |
   7 |                        |_|\__,_|____/ |_| |_____|                    |
   8 |                                                                      |
   9 |                               core system                            |
  10 |                                                        (C) SuSE GmbH |
  11 \----------------------------------------------------------------------/
  12
  13   File:       YQRadioButton.cc
  14
  15   Author:     Stefan Hundhammer <sh@suse.de>
  16
  17 /-*/
  18
  19
  20 #include <qradiobutton.h>
  21 #include <qlayout.h>
  22 #define y2log_component "qt-ui"
  23 #include <ycp/y2log.h>
  24
  25 #include "utf8.h"
  26 #include "YQUI.h"
  27 #include "YQApplication.h"
  28 #include "YEvent.h"
  29 #include "YQRadioButton.h"
  30 #include "YRadioButtonGroup.h"
  31 #include "YQSignalBlocker.h"
  32
  33 using std::string;
  34
  35 #define SPACING 8
  36
  37 // +----+----------------------------------+----+
  38 // |    |(o) RadioButtonlabel              |    |
  39 // +----+----------------------------------+----+
  40 // <----> SPACING                          <---->
  41
  42
  43
  44 YQRadioButton::YQRadioButton( YWidget *         parent,
  45                               const string &    label,
  46                               bool              checked )
  47     : QGroupBox( (QWidget *) (parent->widgetRep() ) )
  48     , YRadioButton( parent, label )
  49 {
  50     setWidgetRep( this );
  51     setFrameStyle( NoFrame );
  52
  53     QBoxLayout * layout = new QBoxLayout( this, QBoxLayout::LeftToRight );
  54
  55     _qt_radioButton = new QRadioButton( fromUTF8( label ), this );
  56
  57     layout->addSpacing( SPACING );
  58     layout->addWidget( _qt_radioButton );
  59     layout->addSpacing( SPACING );
  60     _qt_radioButton->setChecked( checked );
  61
  62     installEventFilter(this);
  63
  64     connect ( _qt_radioButton,  SIGNAL( toggled ( bool ) ),
  65               this,             SLOT  ( changed ( bool ) ) );
  66 }
  67
  68
  69 void
  70 YQRadioButton::setUseBoldFont( bool useBold )
  71 {
  72     _qt_radioButton->setFont( useBold ?
  73                               YQUI::yqApp()->boldFont() :
  74                               YQUI::yqApp()->currentFont() );
  75
  76     YRadioButton::setUseBoldFont( useBold );
  77 }
  78
  79
  80 int YQRadioButton::preferredWidth()
  81 {
  82     return 2 * SPACING + _qt_radioButton->sizeHint().width();
  83 }
  84
  85
  86 int YQRadioButton::preferredHeight()
  87 {
  88     return _qt_radioButton->sizeHint().height();
  89 }
  90
  91
  92 void YQRadioButton::setSize( int newWidth, int newHeight )
  93 {
  94     _qt_radioButton->resize( newWidth - 2*SPACING, newHeight );
  95     resize( newWidth, newHeight );
  96 }
  97
  98
  99 bool YQRadioButton::value()
 100 {
 101     return _qt_radioButton->isChecked();
 102 }
 103
 104
 105 void YQRadioButton::setValue( bool newValue )
 106 {
 107     YQSignalBlocker sigBlocker( _qt_radioButton );
 108
 109     _qt_radioButton->setChecked( newValue );
 110
 111     if ( newValue )
 112     {
 113         YRadioButtonGroup * group = buttonGroup();
 114
 115         if ( group )
 116             group->uncheckOtherButtons( this );
 117     }
 118 }
 119
 120
 121 void YQRadioButton::setLabel( const string & label )
 122 {
 123     _qt_radioButton->setText( fromUTF8( label ) );
 124     YRadioButton::setLabel( label );
 125 }
 126
 127
 128 void YQRadioButton::setEnabled( bool enabled )
 129 {
 130     _qt_radioButton->setEnabled( enabled );
 131     YWidget::setEnabled( enabled );
 132 }
 133
 134
 135 QRadioButton * YQRadioButton::getQtButton()
 136 {
 137     return _qt_radioButton;
 138 }
 139
 140
 141 bool YQRadioButton::setKeyboardFocus()
 142 {
 143     _qt_radioButton->setFocus();
 144
 145     return true;
 146 }
 147
 148
 149 // slots
 150
 151 void YQRadioButton::changed( bool newState )
 152 {
 153     if ( notify() && newState )
 154         YQUI::ui()->sendEvent( new YWidgetEvent( this, YEvent::ValueChanged ) );
 155 }
 156
 157
 158 bool YQRadioButton::eventFilter( QObject * obj, QEvent * event )
 159 {
 160     if ( event && event->type() == QEvent::MouseButtonRelease )
 161     {
 162         QMouseEvent * mouseEvent = dynamic_cast<QMouseEvent *> (event);
 163
 164         if ( mouseEvent && mouseEvent->button() == Qt::RightButton )
 165         {
 166              y2milestone( "Right click on button detected" );
 167              YQUI::ui()->maybeLeftHandedUser();
 168         }
 169     }
 170
 171     return QObject::eventFilter( obj, event );
 172 }
 173
 174
 175 #include "YQRadioButton.moc"