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 that
  23 // 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 // This is hard-coded crap. It's crap-tastic!
  48 // These are the positions to draw the button names at, ordered by the BUTTON_* sequence
  49 // found in joystick.h.
  50 int ControllerWidget::buttonPos[21][2] = { { 74, 32 }, { 71, 67 }, { 53, 49 }, { 93, 49 },
  51         { 110, 200 }, { 110, 175 }, { 110, 151 }, { 110, 126 },
  52         { 148, 200 }, { 148, 175 }, { 148, 151 }, { 148, 126 },
  53         { 186, 200 }, { 186, 175 }, { 186, 151 }, { 186, 126 },
  54         { 234, 31 }, { 216, 51 }, { 199, 71 }, { 164-11, 101-30 }, { 141-11, 108+13-30 }
  55 };
  56
  57
  58 ControllerWidget::ControllerWidget(QWidget * parent/*= 0*/): QWidget(parent),
  59         controllerPic(":/res/controller.png"), widgetSize(controllerPic.size()),
  60         keyToHighlight(-1), mouseDown(false)
  61 {
  62         // Seems we have to pad this stuff, otherwise it clips on the right side
  63         widgetSize += QSize(4, 4);
  64         // We want to know when the mouse is moving over our widget...
  65         setMouseTracking(true);
  66 }
  67
  68
  69 ControllerWidget::~ControllerWidget()
  70 {
  71 }
  72
  73
  74 QSize ControllerWidget::sizeHint(void) const
  75 {
  76         return widgetSize;
  77 }
  78
  79
  80 QSizePolicy ControllerWidget::sizePolicy(void) const
  81 {
  82         return QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
  83 }
  84
  85
  86 void ControllerWidget::paintEvent(QPaintEvent * /*event*/)
  87 {
  88         QPainter painter(this);
  89         painter.setRenderHint(QPainter::Antialiasing);
  90         painter.drawImage(QPoint(0, 0), controllerPic);
  91
  92         // Bump up the size of the default font...
  93         QFont font = painter.font();
  94         font.setPixelSize(15);
  95         font.setBold(true);
  96         painter.setFont(font);
  97 //      painter.setPen(QColor(48, 255, 255, 255));      // This is R,G,B,A
  98         painter.setPen(QColor(0, 0, 0, 255));           // This is R,G,B,A
  99         painter.setBrush(QBrush(QColor(48, 255, 255, 255)));
 100
 101         // First, draw black oversize line, then dot, then colored line
 102         QPen blackPen(QColor(0, 0, 0, 255));
 103         blackPen.setWidth(4);
 104         QPen colorPen(QColor(48, 255, 255, 255));
 105         colorPen.setWidth(2);
 106         QLine line(QPoint(141-11, 100-30), QPoint(141-11, 108+5-30));
 107
 108         painter.setPen(blackPen);
 109         painter.drawLine(line);
 110         blackPen.setWidth(1);
 111         painter.setPen(blackPen);
 112         painter.drawEllipse(QPoint(141-11, 100-30), 4, 4);
 113         painter.setPen(colorPen);
 114         painter.drawLine(line);
 115
 116         for(int i=BUTTON_FIRST; i<=BUTTON_LAST; i++)
 117         {
 118                 if (keyToHighlight == i)
 119                 {
 120                         painter.setPen(QColor(255, 48, 255, 255));      // This is R,G,B,A
 121                         font.setPixelSize(mouseDown ? 15 : 18);
 122                         painter.setFont(font);
 123                 }
 124                 else
 125                 {
 126                         painter.setPen(QColor(48, 255, 255, 255));      // This is R,G,B,A
 127                         font.setPixelSize(15);
 128                         painter.setFont(font);
 129                 }
 130
 131                 if (keys[i] < 0x80)
 132                         DrawBorderedText(painter, buttonPos[i][0], buttonPos[i][1],
 133                                 QString(keyName1[keys[i] - 0x20]));
 134                 else if ((keys[i] & 0xFFFFFF00) == 0x01000000)
 135                 {
 136                         DrawBorderedText(painter, buttonPos[i][0], buttonPos[i][1],
 137                                 QString(keyName2[keys[i] & 0x3F]));
 138                 }
 139 #if 1
 140                 else if (keys[i] & JOY_BUTTON)
 141                 {
 142                         DrawBorderedText(painter, buttonPos[i][0], buttonPos[i][1],
 143                                 QString("JB%1").arg(keys[i] & JOY_BUTTON_MASK));
 144                 }
 145                 else if (keys[i] & JOY_HAT)
 146                 {
 147                         DrawBorderedText(painter, buttonPos[i][0], buttonPos[i][1],
 148                                 QString("j%1").arg(hatName[keys[i] & JOY_BUTTON_MASK]));
 149                 }
 150 #endif
 151                 else
 152                         DrawBorderedText(painter, buttonPos[i][0], buttonPos[i][1], QString("???"));
 153         }
 154 }
 155
 156
 157 void ControllerWidget::mousePressEvent(QMouseEvent * /*event*/)
 158 {
 159         mouseDown = true;
 160         update();
 161 }
 162
 163
 164 void ControllerWidget::mouseReleaseEvent(QMouseEvent * /*event*/)
 165 {
 166         mouseDown = false;
 167         // Spawning the keygrabber causes leaveEvent() to be called, so we need to save this
 168         int keyToHighlightSave = keyToHighlight;
 169
 170         KeyGrabber keyGrab(this);
 171         keyGrab.SetKeyText(keyToHighlightSave);
 172         keyGrab.exec();
 173         int key = keyGrab.key;
 174
 175         if (key != Qt::Key_Escape)
 176                 keys[keyToHighlightSave] = key;
 177
 178         keyToHighlight = keyToHighlightSave;
 179         update();
 180 }
 181
 182
 183 void ControllerWidget::mouseMoveEvent(QMouseEvent * event)
 184 {
 185         if (mouseDown)
 186                 return;
 187
 188         // Save the current closest item
 189         int keyToHighlightOld = keyToHighlight;
 190         // Set up closest distance (this should be large enough)
 191         double closest = 1e9;
 192
 193         for(int i=BUTTON_FIRST; i<=BUTTON_LAST; i++)
 194         {
 195                 // We loop through the button text positions, to see which one is closest.
 196                 double distX = (double)(event->x() - buttonPos[i][0]);
 197                 double distY = (double)(event->y() - buttonPos[i][1]);
 198                 double currentDistance = sqrt((distX * distX) + (distY * distY));
 199
 200                 if (currentDistance < closest)
 201                 {
 202                         closest = currentDistance;
 203                         keyToHighlight = i;
 204                 }
 205         }
 206
 207         if (keyToHighlightOld != keyToHighlight)
 208                 update();
 209 }
 210
 211
 212 void ControllerWidget::leaveEvent(QEvent * /*event*/)
 213 {
 214         keyToHighlight = -1;
 215         update();
 216 }
 217
 218
 219 void ControllerWidget::DrawBorderedText(QPainter & painter, int x, int y, QString text)
 220 {
 221         // Text is drawn centered at (x, y) as well, using a bounding rect for the purpose.
 222         QRect rect(0, 0, 60, 30);
 223         QPen oldPen = painter.pen();
 224         painter.setPen(QColor(0, 0, 0, 255));           // This is R,G,B,A
 225
 226         for(int i=-1; i<=1; i++)
 227         {
 228                 for(int j=-1; j<=1; j++)
 229                 {
 230                         rect.moveCenter(QPoint(x + i, y + j));
 231                         painter.drawText(rect, Qt::AlignCenter, text);
 232                 }
 233         }
 234
 235         painter.setPen(oldPen);
 236         rect.moveCenter(QPoint(x, y));
 237         painter.drawText(rect, Qt::AlignCenter, text);
 238 }
 239