+/**********************************************************************
+ * v4l2 controls
+ **********************************************************************/
+
+ExtV4l2::ExtV4l2( intf_thread_t *_p_intf, QWidget *_parent )
+ : QWidget( _parent ), p_intf( _p_intf )
+{
+ ui.setupUi( this );
+
+ BUTTONACT( ui.refresh, Refresh() );
+
+ box = NULL;
+}
+
+ExtV4l2::~ExtV4l2()
+{
+ if( box )
+ delete box;
+}
+
+void ExtV4l2::showEvent( QShowEvent *event )
+{
+ QWidget::showEvent( event );
+ Refresh();
+}
+
+void ExtV4l2::Refresh( void )
+{
+ vlc_object_t *p_obj = (vlc_object_t*)vlc_object_find_name( p_intf, "v4l2", FIND_ANYWHERE );
+ ui.help->hide();
+ if( box )
+ {
+ ui.vboxLayout->removeWidget( box );
+ delete box;
+ box = NULL;
+ }
+ if( p_obj )
+ {
+ msg_Dbg( p_intf, "Found v4l2 instance" );
+ vlc_value_t val, text, name;
+ int i_ret = var_Change( p_obj, "controls", VLC_VAR_GETCHOICES,
+ &val, &text );
+ if( i_ret < 0 )
+ {
+ msg_Err( p_intf, "Oops, v4l2 object doesn't have a 'controls' variable." );
+ ui.help->show();
+ vlc_object_release( p_obj );
+ return;
+ }
+
+ box = new QGroupBox( this );
+ ui.vboxLayout->addWidget( box );
+ QVBoxLayout *layout = new QVBoxLayout( box );
+ box->setLayout( layout );
+
+ for( int i = 0; i < val.p_list->i_count; i++ )
+ {
+ const char *psz_var = text.p_list->p_values[i].psz_string;
+ var_Change( p_obj, psz_var, VLC_VAR_GETTEXT, &name, NULL );
+ const char *psz_label = name.psz_string;
+ msg_Dbg( p_intf, "v4l2 control \"%x\": %s (%s)",
+ val.p_list->p_values[i].i_int, psz_var, name.psz_string );
+
+ int i_type = var_Type( p_obj, psz_var );
+ switch( i_type & VLC_VAR_TYPE )
+ {
+ case VLC_VAR_INTEGER:
+ {
+ QLabel *label = new QLabel( psz_label, box );
+ QHBoxLayout *hlayout = new QHBoxLayout();
+ hlayout->addWidget( label );
+ int i_val = var_GetInteger( p_obj, psz_var );
+ if( i_type & VLC_VAR_HASCHOICE )
+ {
+ QComboBox *combobox = new QComboBox( box );
+ combobox->setObjectName( psz_var );
+
+ vlc_value_t val2, text2;
+ var_Change( p_obj, psz_var, VLC_VAR_GETCHOICES,
+ &val2, &text2 );
+ for( int j = 0; j < val2.p_list->i_count; j++ )
+ {
+ combobox->addItem(
+ text2.p_list->p_values[j].psz_string,
+ val2.p_list->p_values[j].i_int );
+ if( i_val == val2.p_list->p_values[j].i_int )
+ combobox->setCurrentIndex( j );
+ }
+ var_Change( p_obj, psz_var, VLC_VAR_FREELIST,
+ &val2, &text2 );
+
+ CONNECT( combobox, currentIndexChanged( int ), this,
+ ValueChange( int ) );
+ hlayout->addWidget( combobox );
+ }
+ else
+ {
+ QSlider *slider = new QSlider( box );
+ slider->setObjectName( psz_var );
+ slider->setOrientation( Qt::Horizontal );
+ vlc_value_t val2;
+ var_Change( p_obj, psz_var, VLC_VAR_GETMIN,
+ &val2, NULL );
+ slider->setMinimum( val2.i_int );
+ var_Change( p_obj, psz_var, VLC_VAR_GETMAX,
+ &val2, NULL );
+ slider->setMaximum( val2.i_int );
+ var_Change( p_obj, psz_var, VLC_VAR_GETSTEP,
+ &val2, NULL );
+ slider->setSingleStep( val2.i_int );
+ slider->setValue( i_val );
+
+ CONNECT( slider, valueChanged( int ), this,
+ ValueChange( int ) );
+ hlayout->addWidget( slider );
+ }
+ layout->addLayout( hlayout );
+ break;
+ }
+ case VLC_VAR_BOOL:
+ {
+ QCheckBox *button = new QCheckBox( psz_label, box );
+ button->setObjectName( psz_var );
+ button->setChecked( var_GetBool( p_obj, psz_var ) );
+
+ CONNECT( button, clicked( bool ), this,
+ ValueChange( bool ) );
+ layout->addWidget( button );
+ break;
+ }
+ case VLC_VAR_VOID:
+ {
+ if( i_type & VLC_VAR_ISCOMMAND )
+ {
+ QPushButton *button = new QPushButton( psz_label, box );
+ button->setObjectName( psz_var );
+
+ CONNECT( button, clicked( bool ), this,
+ ValueChange( bool ) );
+ layout->addWidget( button );
+ }
+ else
+ {
+ QLabel *label = new QLabel( psz_label, box );
+ layout->addWidget( label );
+ }
+ break;
+ }
+ default:
+ msg_Warn( p_intf, "Unhandled var type for %s", psz_var );
+ break;
+ }
+ free( name.psz_string );
+ }
+ var_Change( p_obj, "controls", VLC_VAR_FREELIST, &val, &text );
+ vlc_object_release( p_obj );
+ }
+ else
+ {
+ msg_Dbg( p_intf, "Couldn't find v4l2 instance" );
+ ui.help->show();
+ }
+
+}
+
+void ExtV4l2::ValueChange( bool value )
+{
+ ValueChange( (int)value );
+}
+
+void ExtV4l2::ValueChange( int value )
+{
+ QObject *s = sender();
+ vlc_object_t *p_obj = (vlc_object_t*)vlc_object_find_name( p_intf, "v4l2", FIND_ANYWHERE );
+ if( p_obj )
+ {
+ char *psz_var = strdup( s->objectName().toStdString().c_str() );
+ int i_type = var_Type( p_obj, psz_var );
+ switch( i_type & VLC_VAR_TYPE )
+ {
+ case VLC_VAR_INTEGER:
+ if( i_type & VLC_VAR_HASCHOICE )
+ {
+ QComboBox *combobox = qobject_cast<QComboBox*>( s );
+ value = combobox->itemData( value ).toInt();
+ }
+ var_SetInteger( p_obj, psz_var, value );
+ break;
+ case VLC_VAR_BOOL:
+ var_SetBool( p_obj, psz_var, value );
+ break;
+ case VLC_VAR_VOID:
+ var_SetVoid( p_obj, psz_var );
+ break;
+ }
+ free( psz_var );
+ vlc_object_release( p_obj );
+ }
+ else
+ {
+ msg_Warn( p_intf, "Oops, v4l2 object isn't available anymore" );
+ Refresh();
+ }
+}
+