git.defcon.no Git - rctxduino/blob - tools/jstt/jstt.cpp

   1 #include "jstt.h"
   2 #include "ui_jstt.h"
   3
   4 jstt::jstt(QWidget *parent) :
   5     QMainWindow(parent),
   6     ui(new Ui::jstt)
   7 {
   8     ui->setupUi(this);
   9
  10     joystick = NULL;
  11     bars[0]   = ui->Chan_1_bar;
  12     bars[1]   = ui->Chan_2_bar;
  13     bars[2]   = ui->Chan_3_bar;
  14     bars[3]   = ui->Chan_4_bar;
  15     labels[0] = ui->Chan_1_val;
  16     labels[1] = ui->Chan_2_val;
  17     labels[2] = ui->Chan_3_val;
  18     labels[3] = ui->Chan_4_val;
  19
  20     init();
  21 }
  22
  23 jstt::~jstt()
  24 {
  25     if( jsIsOpen() ) jsClose();
  26
  27     SDL_Quit();
  28
  29     delete ui;
  30     //delete joystick;      // This causes warnings that i don't understand
  31     delete [] bars;         // Will this be deleted when i delete ui? Does it matter? We're deleting the whole object anyway
  32     delete [] labels;       // Same here, will it be deleted when ui is deleted?
  33 }
  34
  35 void jstt::init()
  36 {
  37     QStringList jsNames;
  38
  39     if( SDL_Init(SDL_INIT_JOYSTICK) == 0 ) {
  40
  41         for(int i = 0; i < SDL_NumJoysticks(); i++) {
  42             jsNames.append(SDL_JoystickName(i));
  43         }
  44
  45         connect(&jsPullTimer, SIGNAL(timeout()), this, SLOT(processJs()));
  46
  47         ui->Joysticks->addItems(jsNames);
  48         ui->Joysticks->setCurrentIndex(0);          // This will trigger on_Joysticks_currentIndexChanged(int)
  49     }
  50 }
  51
  52 void jstt::jsOpen(int js)
  53 {
  54     if( jsIsOpen() ) jsClose();
  55
  56     joystick = SDL_JoystickOpen(js);
  57     if( joystick ) {
  58
  59         /*
  60           TODO:
  61
  62           numAxes = SDL_JoystickNumAxes(joystick);
  63           numButtons = SDL_JoystickNumButtons(joystick);
  64           numHats = SDL_JoystickNumHats(joystick);
  65           numTrackballs = SDL_JoystickNumBalls(joystick);
  66           JoystickTimer.start(eventTimeout);
  67
  68           When we have found out how many axes, buttons etc, we can expand the GUI further
  69           */
  70
  71         jsPullTimer.start(eventTimeout);
  72         return;
  73     } else {
  74
  75         /*
  76           One should make sure the program will react on this situation instead of just
  77           returning.
  78           */
  79
  80         return;
  81     }
  82 }
  83
  84 void jstt::jsClose()
  85 {
  86     jsPullTimer.stop();
  87     if( joystick ) SDL_JoystickClose(joystick);
  88     joystick = NULL;
  89 }
  90
  91 void jstt::processJs()
  92 {
  93     Sint16 value;
  94
  95     SDL_JoystickUpdate();
  96
  97     /*
  98       This code needs to be fixed so that it iterates through all
  99       axes instead of just the four i am setting up now.
 100       */
 101
 102     for(int i = 0; i < 4; i++) {
 103         value = SDL_JoystickGetAxis(joystick, i);
 104         labels[i]->setNum(value);
 105         bars[i]->setValue(percentBar(value));
 106     }
 107 }
 108
 109 void jstt::on_actionAbout_triggered()
 110 {
 111
 112 }
 113
 114 void jstt::on_actionHelp_triggered()
 115 {
 116
 117 }
 118
 119 void jstt::on_actionQuit_triggered()
 120 {
 121     close();
 122 }