scrollbar.cpp

   1 #include "scrollbar.h"
   2
   3 #include <QScrollBar>
   4
   5 ScrollBar::ScrollBar( QGraphicsItem *parent )
   6     : QGraphicsProxyWidget( parent )
   7 {
   8     QScrollBar *scrollbar = new QScrollBar;
   9
  10     connect( scrollbar, SIGNAL( valueChanged( int ) ), this, SLOT( setValueChanged( int ) ) );
  11
  12     setWidget( scrollbar );
  13 }
  14
  15 ScrollBar::~ScrollBar()
  16 {
  17 }
  18
  19 void ScrollBar::setValueChanged( int value )
  20 {
  21     emit valueChanged( value );
  22 }
  23
  24 void ScrollBar::setMaximum( int max )
  25 {
  26     QScrollBar *scrollbar = static_cast<QScrollBar *>( widget() );
  27     scrollbar->setMaximum( max );
  28 }
  29
  30 void ScrollBar::setValue( int value )
  31 {
  32     QScrollBar *scrollbar = static_cast<QScrollBar *>( widget() );
  33     scrollbar->setValue( -value );
  34 }