companion/src/simulation/widgets/buttonswidget.h

   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 #ifndef _BUTTONSWIDGET_H_
  22 #define _BUTTONSWIDGET_H_
  23
  24 #include "radiouiaction.h"
  25 #include "radiokeywidget.h"
  26
  27 #include <QWidget>
  28 #include <QtGui>
  29 #include <QStyleOption>
  30
  31 class ButtonsWidget : public QWidget
  32 {
  33   Q_OBJECT
  34
  35   public:
  36
  37     explicit ButtonsWidget(QWidget * parent):
  38       QWidget(parent)
  39     {
  40     }
  41
  42     virtual void setStyleSheet(const QString & sheet)
  43     {
  44       defaultStyleSheet = sheet;
  45       QWidget::setStyleSheet(sheet);
  46     }
  47
  48     RadioKeyWidget * addArea(const QRect & rect, const char * image, RadioUiAction * action = NULL)
  49     {
  50       return addArea(QPolygon(rect), image, action);
  51     }
  52
  53     RadioKeyWidget * addArea(const QPolygon & polygon, const char * image, RadioUiAction * action = NULL)
  54     {
  55       RadioKeyWidget * btn = new RadioKeyWidget(polygon, image, action, this);
  56       m_buttons.append(btn);
  57       connect(btn, &RadioKeyWidget::imageChanged, this, &ButtonsWidget::setBitmap);
  58       return btn;
  59     }
  60
  61   protected:
  62
  63     void setBitmap(QString bitmap)
  64     {
  65       QString css = defaultStyleSheet;
  66       if (!bitmap.isEmpty())
  67         css = QString("background:url(:/images/simulator/%1);").arg(bitmap);
  68
  69       QWidget::setStyleSheet(css);
  70       setFocus();
  71     }
  72
  73     void onMouseButtonEvent(bool press, QMouseEvent * event)
  74     {
  75       if (!(event->button() & (Qt::LeftButton | Qt::MidButton))) {
  76         event->ignore();
  77         return;
  78       }
  79
  80       foreach(RadioKeyWidget * key, m_buttons) {
  81         if (key->contains(event->pos())) {
  82           key->toggle(press);
  83           event->accept();
  84           return;
  85         }
  86         else if (key->getValue()) {
  87           key->toggle(false);
  88         }
  89       }
  90       event->ignore();
  91     }
  92
  93     virtual void mousePressEvent(QMouseEvent * event)
  94     {
  95       onMouseButtonEvent(true, event);
  96     }
  97     virtual void mouseReleaseEvent(QMouseEvent * event)
  98     {
  99       onMouseButtonEvent(false, event);
 100     }
 101
 102     void paintEvent(QPaintEvent *)
 103     {
 104       QStyleOption opt;
 105       opt.init(this);
 106       QPainter p(this);
 107       style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
 108     }
 109
 110     QList<RadioKeyWidget *> m_buttons;
 111     QString defaultStyleSheet;
 112 };
 113
 114 #endif // _BUTTONSWIDGET_H_