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

   1 //
   2 // controllerwidget.cpp: A widget for changing "Controller" configuration
   3 //
   4 // Part of the Virtual Jaguar Project
   5 // (C) 2011 Underground Software
   6 // See the README and GPLv3 files for licensing and warranty information
   7 //
   8 // JLH = James Hammons <jlhamm@acm.org>
   9 //
  10 // WHO  WHEN        WHAT
  11 // ---  ----------  ------------------------------------------------------------
  12 // JLH  07/20/2011  Created this file
  13 //
  14
  15 #include "controllerwidget.h"
  16
  17 #include "joystick.h"
  18 #include "gamepad.h"
  19 #include "keygrabber.h"
  20
  21
  22 // These tables are used to convert Qt keycodes into human readable form. Note
  23 // that a lot of these are just filler.
  24 char ControllerWidget::keyName1[96][16] = {
  25         "Space",
  26         "!", "\"", "#", "$", "%", "&", "'", "(", ")", "*", "+", ",", "-", ".", "/",
  27         "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ":", ";", "<", "=", ">", "?",
  28         "@", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N",
  29         "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z",
  30         "[", "\\", "]", "^", "_", "`",
  31         "$61", "$62", "$63", "$64", "$65", "$66", "$67", "$68", "$69", "$6A", "$6B", "$6C", "$6D",
  32         "$6E", "$6F", "$70", "$71", "$72", "$73", "$74", "$75", "$76", "$77", "$78", "$79", "$7A",
  33         "{", "|", "}", "~"
  34 };
  35
  36 char ControllerWidget::keyName2[64][16] = {
  37         "Esc", "Tab", "BTab", "BS", "Ret", "Ent", "Ins", "Del", "Pause", "Prt", "SRq", "Clr",
  38         "$C", "$D", "$E", "$F", "Hm", "End", "Lf", "Up", "Rt", "Dn", "PgU", "PgD", "$18",
  39         "$19", "$1A", "$1B", "$1C", "$1D", "$1E", "$1F", "Shf", "Ctl", "Mta", "Alt",
  40         "Cap", "Num", "ScL", "$27", "$28", "$29", "$2A", "$2B", "$2C", "$2D", "$2E", "$2F",
  41         "F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "F10", "F11", "F12", "F13",
  42         "F14", "F15", "F16"
  43 };
  44
  45 char ControllerWidget::hatName[4][16] = { "Up", "Rt", "Dn", "Lf" };
  46
  47 char ControllerWidget::axisName[2][8] = { "+", "-" };
  48
  49 // This is hard-coded crap. It's crap-tastic!
  50 // These are the positions to draw the button names at, ordered by the BUTTON_* sequence
  51 // found in joystick.h.
  52 int ControllerWidget::buttonPos[21][2] = { { 74, 32 }, { 71, 67 }, { 53, 49 }, { 93, 49 },
  53         { 110, 200 }, { 110, 175 }, { 110, 151 }, { 110, 126 },
  54         { 148, 200 }, { 148, 175 }, { 148, 151 }, { 148, 126 },
  55         { 186, 200 }, { 186, 175 }, { 186, 151 }, { 186, 126 },
  56         { 234, 31 }, { 216, 51 }, { 199, 71 }, { 164-11, 101-30 }, { 141-11, 108+13-30 }
  57 };
  58
  59
  60 ControllerWidget::ControllerWidget(QWidget * parent/*= 0*/): QWidget(parent),
  61         controllerPic(":/res/controller.png"), widgetSize(controllerPic.size()),
  62         keyToHighlight(-1), mouseDown(false)
  63 {
  64         // Seems we have to pad this stuff, otherwise it clips on the right side
  65         widgetSize += QSize(4, 4);
  66         // We want to know when the mouse is moving over our widget...
  67         setMouseTracking(true);
  68 //nope
  69 //setFixedSize(widgetSize);
  70 }
  71
  72
  73 ControllerWidget::~ControllerWidget()
  74 {
  75 }
  76
  77
  78 QSize ControllerWidget::sizeHint(void) const
  79 {
  80         return widgetSize;
  81 }
  82
  83
  84 QSizePolicy ControllerWidget::sizePolicy(void) const
  85 {
  86         return QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
  87 }
  88
  89
  90 void ControllerWidget::paintEvent(QPaintEvent * /*event*/)
  91 {
  92         QPainter painter(this);
  93         painter.setRenderHint(QPainter::Antialiasing);
  94         painter.drawImage(QPoint(0, 0), controllerPic);
  95
  96         // Bump up the size of the default font...
  97         QFont font = painter.font();
  98         font.setPixelSize(15);
  99         font.setBold(true);
 100         painter.setFont(font);
 101 //      painter.setPen(QColor(48, 255, 255, 255));      // This is R,G,B,A
 102         painter.setPen(QColor(0, 0, 0, 255));           // This is R,G,B,A
 103         painter.setBrush(QBrush(QColor(48, 255, 255, 255)));
 104
 105         // First, draw black oversize line, then dot, then colored line
 106         QPen blackPen(QColor(0, 0, 0, 255));
 107         blackPen.setWidth(4);
 108         QPen colorPen(QColor(48, 255, 255, 255));
 109         colorPen.setWidth(2);
 110         QLine line(QPoint(141-11, 100-30), QPoint(141-11, 108+5-30));
 111
 112         painter.setPen(blackPen);
 113         painter.drawLine(line);
 114         blackPen.setWidth(1);
 115         painter.setPen(blackPen);
 116         painter.drawEllipse(QPoint(141-11, 100-30), 4, 4);
 117         painter.setPen(colorPen);
 118         painter.drawLine(line);
 119
 120         for(int i=BUTTON_FIRST; i<=BUTTON_LAST; i++)
 121         {
 122                 if (keyToHighlight == i)
 123                 {
 124                         painter.setPen(QColor(255, 48, 255, 255));      // This is R,G,B,A
 125                         font.setPixelSize(mouseDown ? 15 : 18);
 126                         painter.setFont(font);
 127                 }
 128                 else
 129                 {
 130                         painter.setPen(QColor(48, 255, 255, 255));      // This is R,G,B,A
 131                         font.setPixelSize(15);
 132                         painter.setFont(font);
 133                 }
 134
 135                 if (keys[i] < 0x80)
 136                         DrawBorderedText(painter, buttonPos[i][0], buttonPos[i][1],
 137                                 QString(keyName1[keys[i] - 0x20]));
 138                 else if ((keys[i] & 0xFFFFFF00) == 0x01000000)
 139                 {
 140                         DrawBorderedText(painter, buttonPos[i][0], buttonPos[i][1],
 141                                 QString(keyName2[keys[i] & 0x3F]));
 142                 }
 143 #if 1
 144                 else if (keys[i] & JOY_BUTTON)
 145                 {
 146                         DrawBorderedText(painter, buttonPos[i][0], buttonPos[i][1],
 147                                 QString("JB%1").arg(keys[i] & JOY_BUTTON_MASK));
 148                 }
 149                 else if (keys[i] & JOY_HAT)
 150                 {
 151                         DrawBorderedText(painter, buttonPos[i][0], buttonPos[i][1],
 152                                 QString("j%1").arg(hatName[keys[i] & JOY_BUTTON_MASK]));
 153                 }
 154                 else if (keys[i] & JOY_AXIS)
 155                 {
 156                         DrawBorderedText(painter, buttonPos[i][0], buttonPos[i][1],
 157                                 QString("JA%1%2").arg((keys[i] & JOY_AXISNUM_MASK) >> 1).arg(axisName[keys[i] & JOY_AXISDIR_MASK]));
 158                 }
 159 #endif
 160                 else
 161                         DrawBorderedText(painter, buttonPos[i][0], buttonPos[i][1], QString("???"));
 162         }
 163 }
 164
 165
 166 void ControllerWidget::mousePressEvent(QMouseEvent * /*event*/)
 167 {
 168         mouseDown = true;
 169         update();
 170 }
 171
 172
 173 void ControllerWidget::mouseReleaseEvent(QMouseEvent * /*event*/)
 174 {
 175         mouseDown = false;
 176         // Spawning the keygrabber causes leaveEvent() to be called, so we need to save this
 177         int keyToHighlightSave = keyToHighlight;
 178
 179         KeyGrabber keyGrab(this);
 180         keyGrab.SetKeyText(keyToHighlightSave);
 181         keyGrab.exec();
 182         int key = keyGrab.key;
 183
 184         if (key != Qt::Key_Escape)
 185         {
 186                 keys[keyToHighlightSave] = key;
 187                 emit(KeyDefined(keyToHighlightSave, key));
 188         }
 189
 190         keyToHighlight = keyToHighlightSave;
 191         update();
 192 }
 193
 194
 195 void ControllerWidget::mouseMoveEvent(QMouseEvent * event)
 196 {
 197         if (mouseDown)
 198                 return;
 199
 200         // Save the current closest item
 201         int keyToHighlightOld = keyToHighlight;
 202         // Set up closest distance (this should be large enough)
 203         double closest = 1e9;
 204
 205         for(int i=BUTTON_FIRST; i<=BUTTON_LAST; i++)
 206         {
 207                 // We loop through the button text positions, to see which one is closest.
 208                 double distX = (double)(event->x() - buttonPos[i][0]);
 209                 double distY = (double)(event->y() - buttonPos[i][1]);
 210                 double currentDistance = sqrt((distX * distX) + (distY * distY));
 211
 212                 if (currentDistance < closest)
 213                 {
 214                         closest = currentDistance;
 215                         keyToHighlight = i;
 216                 }
 217         }
 218
 219         if (keyToHighlightOld != keyToHighlight)
 220                 update();
 221 }
 222
 223
 224 void ControllerWidget::leaveEvent(QEvent * /*event*/)
 225 {
 226         keyToHighlight = -1;
 227         update();
 228 }
 229
 230
 231 void ControllerWidget::DrawBorderedText(QPainter & painter, int x, int y, QString text)
 232 {
 233         // Text is drawn centered at (x, y) as well, using a bounding rect for the purpose.
 234         QRect rect(0, 0, 60, 30);
 235         QPen oldPen = painter.pen();
 236         painter.setPen(QColor(0, 0, 0, 255));           // This is R,G,B,A
 237
 238         for(int i=-1; i<=1; i++)
 239         {
 240                 for(int j=-1; j<=1; j++)
 241                 {
 242                         rect.moveCenter(QPoint(x + i, y + j));
 243                         painter.drawText(rect, Qt::AlignCenter, text);
 244                 }
 245         }
 246
 247         painter.setPen(oldPen);
 248         rect.moveCenter(QPoint(x, y));
 249         painter.drawText(rect, Qt::AlignCenter, text);
 250 }
 251