src/gui/tabwidget.cpp

   1 #include "tabwidget.h"
   2
   3 #include <QMouseEvent>
   4 #include <QPainter>
   5 #include <QTabBar>
   6
   7 TabWidget::TabWidget(QWidget *aParent)
   8     : QTabWidget(aParent)
   9     , mPressPoint(0,0)
  10 {
  11     mInfoImage = QImage(":/icons/info.png");
  12 }
  13
  14 void TabWidget::paintEvent(QPaintEvent *event)
  15 {
  16     int height = tabBar()->tabRect(currentIndex()).height();
  17     QImage image = mInfoImage.scaled(QSize(height,height),Qt::KeepAspectRatioByExpanding,Qt::SmoothTransformation);
  18     QPainter painter(this);
  19     painter.drawImage(rect().topRight()-QPoint(image.width(),0),image);
  20 }
  21
  22 void TabWidget::mousePressEvent(QMouseEvent *event)
  23 {
  24     mPressPoint = event->pos();
  25 }
  26
  27 void TabWidget::mouseReleaseEvent(QMouseEvent *event)
  28 {
  29     int height = tabBar()->tabRect(currentIndex()).height();
  30     QImage image = mInfoImage.scaled(QSize(height,height),Qt::KeepAspectRatioByExpanding,Qt::SmoothTransformation);
  31     QPoint topLeft = rect().topRight()-QPoint(image.width(),0);
  32     QRect infoRect = QRect(topLeft, topLeft+QPoint(image.width(),image.height()));
  33     if( (infoRect.contains(event->pos())) && (infoRect.contains(mPressPoint)) )
  34     {
  35         emit(infoIconClicked());
  36     }
  37 }
  38