companion/src/simulation/xcursorwidget.h

   1 /*
   2  * Author - Bertrand Songis <bsongis@gmail.com>
   3  *
   4  * Based on th9x -> http://code.google.com/p/th9x/
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  */
  16 #ifndef XCURSORWIDGET_H
  17 #define XCURSORWIDGET_H
  18
  19 #include <QWidget>
  20 #include <QtGui>
  21
  22 class xcursorWidget : public QWidget {
  23
  24   Q_OBJECT
  25
  26   public:
  27
  28     explicit xcursorWidget(QWidget * parent = 0):
  29       QWidget(parent)
  30     {
  31     }
  32
  33   protected:
  34
  35     virtual void mousePressEvent(QMouseEvent * event)
  36     {
  37         float p1x[] = {20,27,45,56,50,26};
  38         float p1y[] = {59,50,52,59,71,72};
  39         float p2x[] = {23,30,46,55,47,28};
  40         float p2y[] = {107,99,100,106,117,117};
  41         float p3x[] = {24,32,46,57,46,29};
  42         float p3y[] = {154,144,146,156,167,166};
  43
  44         int x=event->x();
  45         int y=event->y();
  46         setFocus();
  47         if (event->button()==Qt::LeftButton) {
  48           if (pnpoly(6,p1x,p1y,(float)x,(float)y)==1) {
  49             setStyleSheet("background:url(:/images/x9l1.png);");
  50             emit buttonPressed(Qt::Key_PageUp);
  51           }
  52           else if (pnpoly(6,p2x,p2y,(float)x,(float)y)==1) {
  53             setStyleSheet("background:url(:/images/x9l2.png);");
  54             emit buttonPressed(Qt::Key_PageDown);
  55           }
  56           else if (pnpoly(6,p3x,p3y,(float)x,(float)y)==1) {
  57             setStyleSheet("background:url(:/images/x9l3.png);");
  58             emit buttonPressed(Qt::Key_Escape);
  59           } else if ((x>90 && x<118) && (y>177 && y<197)) {
  60             setStyleSheet("background:url(:/images/x9l4.png);");
  61             emit buttonPressed(Qt::Key_Print);
  62           }
  63         }
  64         // QWidget::mousePressEvent(event);
  65     }
  66
  67     virtual void mouseReleaseEvent(QMouseEvent * event)
  68     {
  69       setStyleSheet("background:url(:/images/x9l0.png);");
  70       emit buttonPressed(0);
  71       setFocus();
  72       //QWidget::mouseReleaseEvent(event);
  73     }
  74
  75     void paintEvent(QPaintEvent *)
  76     {
  77       QStyleOption opt;
  78       opt.init(this);
  79       QPainter p(this);
  80       style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
  81     }
  82
  83     inline int pnpoly(int nvert, float *vertx, float *verty, float testx, float testy)
  84     {
  85         int i, j, c = 0;
  86         for (i = 0, j = nvert-1; i < nvert; j = i++) {
  87             if ( ((verty[i]>testy) != (verty[j]>testy)) &&  (testx < (vertx[j]-vertx[i]) * (testy-verty[i]) / (verty[j]-verty[i]) + vertx[i]) )
  88                c = !c;
  89         }
  90         return c;
  91     }
  92
  93   signals:
  94     void buttonPressed(int button);
  95
  96 };
  97
  98
  99 #endif  /* CURSORWIDGET_H */
 100