buttontester.cpp Example File

widgets/mousebuttons/buttontester.cpp
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 ** Copyright (C) 2016 Rick Stockton <rickstockton@reno-computerhelp.com>
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 #include "buttontester.h"

 #include <QDebug>

 void ButtonTester::mousePressEvent(QMouseEvent *e)
 {
     int j = ButtonTester::buttonByNumber (e->button());
     QString result = "Mouse Press: raw button=" + QString::number(j)
                 + "  Qt=" + enumNameFromValue(e->button());
     QString buttonsString = ButtonTester::enumNamesFromMouseButtons(e->buttons());
     result += "\n heldbuttons " + buttonsString;
     qDebug() << result;
     this->setText(result);
     this->repaint();
 }

 void ButtonTester::mouseReleaseEvent(QMouseEvent *e)
 {
     int j = ButtonTester::buttonByNumber (e->button());
     QString result = "Mouse Release: raw button=" + QString::number(j)
                 + "  Qt=" + enumNameFromValue(e->button());
     QString buttonsString = ButtonTester::enumNamesFromMouseButtons(e->buttons());
     result += "\n heldbuttons " + buttonsString;
     qDebug() << result;
     this->setText(result);
     this->repaint();

 }

 void ButtonTester::mouseDoubleClickEvent(QMouseEvent *e)
 {
     int j = ButtonTester::buttonByNumber (e->button());
     QString result = "Mouse DoubleClick: raw button=" + QString::number(j)
                 + "  Qt=" + enumNameFromValue(e->button());
     QString buttonsString = ButtonTester::enumNamesFromMouseButtons(e->buttons());
     result += "\n heldbuttons" + buttonsString;
     qDebug() << result;
     this->setText(result);
 }

 #if QT_CONFIG(wheelevent)
 void ButtonTester::wheelEvent (QWheelEvent *e)
 {
     QString result;
     if (e->delta() > 0) {

         if (e->orientation() == Qt::Vertical) {
             result = "Mouse Wheel Event: UP";
         } else {
             result = "Mouse Wheel Event: LEFT";
         }
     } else if (e->delta() < 0) {
         if (e->orientation() == Qt::Vertical) {
             result = "Mouse Wheel Event: DOWN";
         } else {
             result = "Mouse Wheel Event: RIGHT";
         }
     }
     qDebug() << result;
     this->setText(result);
 }
 #endif

 int ButtonTester::buttonByNumber(const Qt::MouseButton button)
 {
     if (button == Qt::NoButton)      return 0;
     if (button == Qt::LeftButton)    return 1;
     if (button == Qt::RightButton)   return 2;
     if (button == Qt::MiddleButton)  return 3;

 /* Please note that Qt Button #4 corresponds to button #8 on all
  * platforms which EMULATE wheel events by creating button events
  * (Button #4 = Scroll Up; Button #5 = Scroll Down; Button #6 = Scroll
  * Left; and Button #7 = Scroll Right.) This includes X11, with both
  * Xlib and XCB.  So, the "raw button" for "Qt::BackButton" is
  * usually described as "Button #8".

  * If your platform supports "smooth scrolling", then, for the cases of
  * Qt::BackButton and higher, this program will show "raw button" with a
  * value which is too large. Subtract 4 to get the correct button ID for
  * your platform.
  */

     if (button == Qt::BackButton)    return 8;
     if (button == Qt::ForwardButton) return 9;
     if (button == Qt::TaskButton)    return 10;
     if (button == Qt::ExtraButton4)  return 11;
     if (button == Qt::ExtraButton5)  return 12;
     if (button == Qt::ExtraButton6)  return 13;
     if (button == Qt::ExtraButton7)  return 14;
     if (button == Qt::ExtraButton8)  return 15;
     if (button == Qt::ExtraButton9)  return 16;
     if (button == Qt::ExtraButton10) return 17;
     if (button == Qt::ExtraButton11) return 18;
     if (button == Qt::ExtraButton12) return 19;
     if (button == Qt::ExtraButton13) return 20;
     if (button == Qt::ExtraButton14) return 21;
     if (button == Qt::ExtraButton15) return 22;
     if (button == Qt::ExtraButton16) return 23;
     if (button == Qt::ExtraButton17) return 24;
     if (button == Qt::ExtraButton18) return 25;
     if (button == Qt::ExtraButton19) return 26;
     if (button == Qt::ExtraButton20) return 27;
     if (button == Qt::ExtraButton21) return 28;
     if (button == Qt::ExtraButton22) return 29;
     if (button == Qt::ExtraButton23) return 30;
     if (button == Qt::ExtraButton24) return 31;
     qDebug("QMouseShortcutEntry::addShortcut contained Invalid Qt::MouseButton value");
     return 0;
 }

 QString ButtonTester::enumNameFromValue(const Qt::MouseButton button)
 {
     if (button == Qt::NoButton)      return "NoButton";
     if (button == Qt::LeftButton)    return "LeftButton";
     if (button == Qt::RightButton)   return "RightButton";
     if (button == Qt::MiddleButton)  return "MiddleButton";
     if (button == Qt::BackButton)    return "BackButton";
     if (button == Qt::ForwardButton) return "ForwardButton";
     if (button == Qt::TaskButton)    return "TaskButton";
     if (button == Qt::ExtraButton4)  return "ExtraButton4";
     if (button == Qt::ExtraButton5)  return "ExtraButton5";
     if (button == Qt::ExtraButton6)  return "ExtraButton6";
     if (button == Qt::ExtraButton7)  return "ExtraButton7";
     if (button == Qt::ExtraButton8)  return "ExtraButton8";
     if (button == Qt::ExtraButton9)  return "ExtraButton9";
     if (button == Qt::ExtraButton10) return "ExtraButton10";
     if (button == Qt::ExtraButton11) return "ExtraButton11";
     if (button == Qt::ExtraButton12) return "ExtraButton12";
     if (button == Qt::ExtraButton13) return "ExtraButton13";
     if (button == Qt::ExtraButton14) return "ExtraButton14";
     if (button == Qt::ExtraButton15) return "ExtraButton15";
     if (button == Qt::ExtraButton16) return "ExtraButton16";
     if (button == Qt::ExtraButton17) return "ExtraButton17";
     if (button == Qt::ExtraButton18) return "ExtraButton18";
     if (button == Qt::ExtraButton19) return "ExtraButton19";
     if (button == Qt::ExtraButton20) return "ExtraButton20";
     if (button == Qt::ExtraButton21) return "ExtraButton21";
     if (button == Qt::ExtraButton22) return "ExtraButton22";
     if (button == Qt::ExtraButton23) return "ExtraButton23";
     if (button == Qt::ExtraButton24) return "ExtraButton24";
     qDebug("QMouseShortcutEntry::addShortcut contained Invalid Qt::MouseButton value");
     return "NoButton";
 }

 QString ButtonTester::enumNamesFromMouseButtons(const Qt::MouseButtons buttons)
 {
     QString returnText = "";
     if (buttons == Qt::NoButton)      return "NoButton";
     if (buttons & Qt::LeftButton)    returnText += "LeftButton ";
     if (buttons & Qt::RightButton)   returnText +=  "RightButton ";
     if (buttons & Qt::MiddleButton)  returnText +=  "MiddleButton ";
     if (buttons & Qt::BackButton)    returnText +=  "BackButton ";
     if (buttons & Qt::ForwardButton) returnText +=  "ForwardButton ";
     if (buttons & Qt::TaskButton)    returnText +=  "TaskButton ";
     if (buttons & Qt::ExtraButton4)  returnText +=  "ExtraButton4 ";
     if (buttons & Qt::ExtraButton5)  returnText +=  "ExtraButton5 ";
     if (buttons & Qt::ExtraButton6)  returnText +=  "ExtraButton6 ";
     if (buttons & Qt::ExtraButton7)  returnText +=  "ExtraButton7 ";
     if (buttons & Qt::ExtraButton8)  returnText +=  "ExtraButton8 ";
     if (buttons & Qt::ExtraButton9)  returnText +=  "ExtraButton9 ";
     if (buttons & Qt::ExtraButton10) returnText +=  "ExtraButton10 ";
     if (buttons & Qt::ExtraButton11) returnText +=  "ExtraButton11 ";
     if (buttons & Qt::ExtraButton12) returnText +=  "ExtraButton12 ";
     if (buttons & Qt::ExtraButton13) returnText +=  "ExtraButton13 ";
     if (buttons & Qt::ExtraButton14) returnText +=  "ExtraButton14 ";
     if (buttons & Qt::ExtraButton15) returnText +=  "ExtraButton15 ";
     if (buttons & Qt::ExtraButton16) returnText +=  "ExtraButton16 ";
     if (buttons & Qt::ExtraButton17) returnText +=  "ExtraButton17 ";
     if (buttons & Qt::ExtraButton18) returnText +=  "ExtraButton18 ";
     if (buttons & Qt::ExtraButton19) returnText +=  "ExtraButton19 ";
     if (buttons & Qt::ExtraButton20) returnText +=  "ExtraButton20 ";
     if (buttons & Qt::ExtraButton21) returnText +=  "ExtraButton21 ";
     if (buttons & Qt::ExtraButton22) returnText +=  "ExtraButton22 ";
     if (buttons & Qt::ExtraButton23) returnText +=  "ExtraButton23 ";
     if (buttons & Qt::ExtraButton24) returnText +=  "ExtraButton24 ";
     return returnText;
 }