Shamusworld >> Repos - virtualjaguar/blob - src/gui/keygrabber.cpp

   1 //
   2 // keygrabber.cpp - Widget to grab a key and dismiss itself
   3 //
   4 // by James Hammons
   5 // (C) 2011 Underground Software
   6 //
   7 // JLH = James Hammons <jlhamm@acm.org>
   8 //
   9 // Who  When        What
  10 // ---  ----------  -------------------------------------------------------------
  11 // JLH  07/18/2011  Created this file
  12 //
  13
  14 #include "keygrabber.h"
  15 #include "gamepad.h"
  16
  17
  18 KeyGrabber::KeyGrabber(QWidget * parent/*= 0*/): QDialog(parent),
  19         label(new QLabel), timer(new QTimer), buttonDown(false)
  20 {
  21 //      label = new QLabel(this);
  22         QVBoxLayout * mainLayout = new QVBoxLayout;
  23         mainLayout->addWidget(label);
  24         setLayout(mainLayout);
  25         setWindowTitle(tr("Grab"));
  26         connect(timer, SIGNAL(timeout()), this, SLOT(CheckGamepad()));
  27         timer->setInterval(100);
  28         timer->start();
  29
  30         // Will this make Mac OSX work???
  31         setFocusPolicy(Qt::StrongFocus);
  32 }
  33
  34
  35 KeyGrabber::~KeyGrabber()
  36 {
  37         timer->stop();
  38 }
  39
  40
  41 void KeyGrabber::SetKeyText(int keyNum)
  42 {
  43         char jagButtonName[21][10] = { "Up", "Down", "Left", "Right",
  44                 "*", "7", "4", "1", "0", "8", "5", "2", "#", "9", "6", "3",
  45                 "A", "B", "C", "Option", "Pause" };
  46
  47         QString text = QString(tr("Press key for \"%1\"<br>(ESC to cancel)"))
  48                 .arg(QString(jagButtonName[keyNum]));
  49         label->setText(text);
  50 }
  51
  52
  53 void KeyGrabber::keyPressEvent(QKeyEvent * e)
  54 {
  55         key = e->key();
  56
  57         // Since this is problematic, we don't allow this key...
  58         if (key != Qt::Key_Alt)
  59                 accept();
  60 }
  61
  62
  63 void KeyGrabber::CheckGamepad(void)
  64 {
  65         // How do we determine which joystick it is, if more than one?
  66         // Possibly by a combobox selecting the stick you want to configure...
  67         Gamepad::Update();
  68
  69         if (!buttonDown)
  70         {
  71                 button = Gamepad::CheckButtonPressed();
  72
  73                 if  (button == -1)
  74                         return;
  75
  76                 buttonDown = true;
  77         }
  78         else
  79         {
  80                 if (Gamepad::CheckButtonPressed() == button)
  81                         return;
  82
  83                 key = button;
  84                 accept();
  85                 buttonDown = false;
  86         }
  87 }
  88