companion/src/simulation/joystickdialog.cpp

   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 #include "joystickdialog.h"
  22 #include "ui_joystickdialog.h"
  23
  24 #include "boards.h"
  25 #include "constants.h"
  26
  27 joystickDialog::joystickDialog(QWidget *parent, int stick) :
  28   QDialog(parent),
  29   ui(new Ui::joystickDialog),
  30   step(0),
  31   numAxes(0),
  32   started(false)
  33 {
  34   ui->setupUi(this);
  35
  36   int jscaltmp[8][3] = {
  37     {32767, 0, -32767},
  38     {32767, 0, -32767},
  39     {32767, 0, -32767},
  40     {32767, 0, -32767},
  41     {32767, 0, -32767},
  42     {32767, 0, -32767},
  43     {32767, 0, -32767},
  44     {32767, 0, -32767}
  45   };
  46   memcpy(jscal, jscaltmp, sizeof (jscal));
  47
  48   foreach(QComboBox *cb, findChildren<QComboBox *>(QRegExp("jsmapCB_[0-9]+"))) {
  49     populateSourceCombo(cb);
  50     sticks[cb->property("channel").toUInt()] = cb;
  51   }
  52   foreach(QCheckBox *ib, findChildren<QCheckBox *>(QRegExp("ChInv_[0-9]+"))) {
  53     invert[ib->property("channel").toUInt()] = ib;
  54   }
  55   foreach(QSlider *sl, findChildren<QSlider *>(QRegExp("Ch_[0-9]+"))) {
  56     sliders[sl->property("channel").toUInt()] = sl;
  57   }
  58
  59   for (int i = 0; i < MAX_JOYSTICKS; ++i) {
  60     if (!g.joystick[i].existsOnDisk())
  61       continue;
  62
  63     jscal[i][0] = g.joystick[i].stick_min();
  64     jscal[i][1] = g.joystick[i].stick_med();
  65     jscal[i][2] = g.joystick[i].stick_max();
  66     sliders[i]->setMinimum(jscal[i][0]);
  67     sliders[i]->setMaximum(jscal[i][2]);
  68     invert[i]->setChecked(g.joystick[i].stick_inv());
  69     sticks[i]->setCurrentIndex(sticks[i]->findData(g.joystick[i].stick_axe()));
  70   }
  71
  72   ui->backButton->setEnabled(false);
  73
  74   ui->joystickChkB->setChecked(g.jsSupport() || stick > -1);
  75
  76   if (stick < 0)
  77     stick = g.jsCtrl();
  78
  79   if (loadJoysticks(stick)) {
  80     joystickSetEnabled(ui->joystickChkB->isChecked());
  81     joystickOpen(ui->joystickCB->currentIndex());
  82   }
  83   else {
  84     joystickSetEnabled(false);
  85   }
  86   loadStep();
  87
  88   connect(joystick, SIGNAL(axisValueChanged(int, int)), this, SLOT(onjoystickAxisValueChanged(int, int)));
  89   connect(ui->joystickCB, SIGNAL(currentIndexChanged(int)), this, SLOT(joystickOpen(int)));
  90   connect(ui->joystickChkB, SIGNAL(toggled(bool)), this, SLOT(joystickSetEnabled(bool)));
  91 }
  92
  93 joystickDialog::~joystickDialog()
  94 {
  95   delete ui;
  96 }
  97
  98 void joystickDialog::populateSourceCombo(QComboBox * cb)
  99 {
 100   int i;
 101   cb->clear();
 102   cb->addItem(tr("Not Assigned"), -1);
 103   for (i=0; i < Board::STICK_AXIS_COUNT; ++i) {
 104     cb->addItem(Boards::getAxisName(i) % tr(" Stick"), i);
 105   }
 106   for (; i < Board::STICK_AXIS_COUNT + CPN_MAX_POTS; ++i) {
 107     cb->addItem(tr("Knob/Slider %1").arg(i - Board::STICK_AXIS_COUNT + 1), i);
 108   }
 109 }
 110
 111 bool joystickDialog::loadJoysticks(int stick)
 112 {
 113   QStringList joystickNames;
 114   bool found = false;
 115
 116   ui->joystickCB->clear();
 117   joystickNames << tr("No joysticks found");
 118   joystick = new Joystick(0, false, 0, 0);
 119   if ( joystick ) {
 120     if ( joystick->joystickNames.count() > 0 ) {
 121       joystickNames = joystick->joystickNames;
 122       found = true;
 123     }
 124     joystick->close();
 125   }
 126   ui->joystickCB->insertItems(0, joystickNames);
 127   if (found && stick < joystickNames.size()) {
 128     ui->joystickCB->setCurrentIndex(stick);
 129   }
 130   else if (!found) {
 131     joystickSetEnabled(false);
 132   }
 133   return found;
 134 }
 135
 136 void joystickDialog::joystickOpen(int stick)
 137 {
 138   if (stick < 0)
 139     return;
 140
 141   joystick = new Joystick(this, 1, false, 0);
 142   if (joystick && joystick->open(stick)) {
 143     numAxes = std::min(joystick->numAxes, MAX_JOYSTICKS);
 144     for (int j=0; j<numAxes; j++) {
 145       joystick->sensitivities[j] = 0;
 146       joystick->deadzones[j]=20;
 147     }
 148   }
 149   else {
 150     QMessageBox::critical(this, CPN_STR_TTL_ERROR, tr("Cannot open joystick."));
 151   }
 152 }
 153
 154 void joystickDialog::joystickSetEnabled(bool enable)
 155 {
 156   ui->joystickCB->setEnabled(enable);
 157   ui->calibrationWidget->setEnabled(enable);
 158   ui->nextButton->setEnabled(enable && step < 4);
 159   ui->backButton->setEnabled(enable && step);
 160 }
 161
 162 void joystickDialog::onjoystickAxisValueChanged(int axis, int value)
 163 {
 164   if (axis >= MAX_JOYSTICKS)
 165     return;
 166
 167   if (started) {
 168     if (value > jscal[axis][2])
 169       jscal[axis][2] = value;
 170     else if (value < jscal[axis][0])
 171       jscal[axis][0] = value;
 172
 173     sliders[axis]->setMinimum(jscal[axis][0]);
 174     sliders[axis]->setMaximum(jscal[axis][2]);
 175   }
 176   sliders[axis]->setInvertedAppearance(invert[axis]->isChecked());
 177   sliders[axis]->setValue(value);
 178 }
 179
 180 void joystickDialog::loadStep()
 181 {
 182   switch (step) {
 183     case 0:
 184       ui->howtoLabel->setText(tr("Press the Start button to start the stick range calibration procedure.\n" \
 185                                  "You may change the channel assignments or inversion at any time."));
 186       ui->backButton->setDisabled(true);
 187       break;
 188     case 1:
 189       started = true;
 190       ui->howtoLabel->setText(tr("Move sticks and pots in every direction making full movement\nPress Next when finished"));
 191       ui->nextButton->setText(tr("Next"));
 192       ui->backButton->setDisabled(true);
 193       break;
 194     case 2:
 195       ui->howtoLabel->setText(tr("Place sticks and pots in middle position.\nPress Next when done"));
 196       ui->backButton->setEnabled(true);
 197       ui->nextButton->setEnabled(true);
 198       break;
 199     case 3:
 200       for (int i=0; i < numAxes; i++) {
 201         jscal[i][1]=0;
 202         for (int j=0; j < 100; j++) {
 203           jscal[i][1] += joystick->getAxisValue(i);
 204         }
 205         jscal[i][1] /= 100;
 206       }
 207       ui->howtoLabel->setText(tr("Map joystick channels to controls using comboboxes.\nPress Next when done."));
 208       ui->nextButton->setEnabled(true);
 209       break;
 210     case 4:
 211       ui->howtoLabel->setText(tr("Check inversion checkbox to if necessary to reverse direction.\nPress Next when done."));
 212       ui->nextButton->setEnabled(true);
 213       break;
 214     case 5:
 215       ui->howtoLabel->setText(tr("Press OK to save configuration\nPress Cancel to abort joystick calibration without saving."));
 216       ui->nextButton->setDisabled(true);
 217   }
 218 }
 219
 220 void joystickDialog::on_backButton_clicked()
 221 {
 222   if (step) {
 223     --step;
 224     loadStep();
 225   }
 226 }
 227
 228 void joystickDialog::on_nextButton_clicked()
 229 {
 230   if (step < 5){
 231     ++step;
 232     loadStep();
 233   }
 234 }
 235
 236 void joystickDialog::on_cancelButton_clicked()
 237 {
 238   joystick->close();
 239   this->reject();
 240 }
 241
 242 void joystickDialog::on_okButton_clicked()
 243 {
 244   int stick;
 245
 246   g.jsSupport(ui->joystickChkB->isChecked());
 247   g.jsCtrl(ui->joystickCB->currentIndex());
 248
 249   if (joystick)
 250     joystick->close();
 251
 252   if (!g.jsSupport() || g.jsCtrl() < 0) {
 253     this->accept();
 254     return;
 255   }
 256
 257   if (started && step < 4) {
 258     int resp = QMessageBox::warning(this, CPN_STR_TTL_WARNING, tr("Calibration not complete, save anyway?"),
 259                                     QDialogButtonBox::Ok | QMessageBox::Default, QDialogButtonBox::Cancel | QMessageBox::Escape, QMessageBox::NoButton);
 260     if (resp == QDialogButtonBox::Cancel)
 261       return;
 262   }
 263
 264   for (int i = 0; i < MAX_JOYSTICKS; ++i) {
 265     stick = sticks[i]->currentData().toInt();
 266     if (stick < 0) {
 267       g.joystick[i].stick_axe(-1);
 268     }
 269     else {
 270       g.joystick[i].stick_axe(stick);
 271       g.joystick[i].stick_max(jscal[i][2]);
 272       g.joystick[i].stick_med(jscal[i][1]);
 273       g.joystick[i].stick_min(jscal[i][0]);
 274       g.joystick[i].stick_inv(invert[i]->isChecked() );
 275       qDebug() << "joystick mapping " << sticks[i]->objectName() << "stick:" << i << "axe:" << stick;
 276     }
 277   }
 278
 279   this->accept();
 280 }