companion/src/shared/verticalscrollarea.cpp

   1 /*
   2  * Copyright (C) OpenTX
   3  *
   4  * Based on code named
   5  *   th9x - http://code.google.com/p/th9x
   6  *   er9x - http://code.google.com/p/er9x
   7  *   gruvin9x - http://code.google.com/p/gruvin9x
   8  *
   9  * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  *
  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.
  19  */
  20
  21 #include "verticalscrollarea.h"
  22 #include "genericpanel.h"
  23 #include <QEvent>
  24 #include <QScrollBar>
  25
  26 VerticalScrollArea::VerticalScrollArea(QWidget * parent, GenericPanel * panel):
  27   QScrollArea(parent),
  28   panel(panel)
  29 {
  30   setWidgetResizable(true);
  31   setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  32   setWidget(panel);
  33   panel->installEventFilter(this);
  34 }
  35
  36 bool VerticalScrollArea::eventFilter(QObject * o, QEvent * e)
  37 {
  38   if (o == panel && e->type() == QEvent::Resize) {
  39     setMinimumWidth(panel->minimumSizeHint().width() + verticalScrollBar()->width());
  40   }
  41   return false;
  42 }