qt/multypo.cpp

   1 #include "multypo.h"
   2
   3 #include <QX11Info>
   4 #include <QDebug>
   5 #include <QVBoxLayout>
   6 #include <QLabel>
   7 #include <QMap>
   8
   9 #include <X11/Xlib.h>
  10 #include <X11/extensions/XInput2.h>
  11 #include <X11/Xutil.h>
  12
  13 MultypoWindow::MultypoWindow(QWidget *parent) :
  14         QWidget(parent),
  15         xiInited(false),
  16         gameStarted(false)
  17 {
  18         /* Prepare colors */
  19         setStyleSheet("background-color: black; color: green; font-size: 45pt");
  20
  21         /* Prepare conents */
  22         setLayout(new QVBoxLayout(this));
  23
  24         mainLabel = new QLabel("Namen eingeben, dann Return", this);
  25         layout()->addWidget(mainLabel);
  26
  27         /* Fullscreen, no cursor */
  28         setWindowState(Qt::WindowFullScreen);
  29         setCursor(QCursor(Qt::BlankCursor));
  30
  31         words.open(stdin,QIODevice::ReadOnly);
  32
  33         typingPlayers = 0;
  34 }
  35
  36 MultypoWindow::~MultypoWindow()
  37 {
  38 }
  39
  40 void MultypoWindow::resetPlayerText() {
  41         for (QMap<int, Player*>::Iterator it = players.begin(); it != players.end(); ++it) {
  42                 it.value()->resetText();
  43         }
  44 }
  45
  46 void MultypoWindow::nextWord() {
  47         QByteArray tmp = words.readLine().trimmed();
  48         QString word = QString::fromUtf8(tmp);
  49         qDebug() << "New word" << word;
  50         if (word.isEmpty()) { // game over
  51                 mainLabel->setText("GAME OVER");
  52                 for (QMap<int, Player*>::Iterator it = players.begin(); it != players.end(); ++it) {
  53                         QString tmp = QString ("Spieler %1 hat %2 Punkte.").arg(it.value()->getName()).arg(it.value()->score);
  54                         it.value()->setWaiting(tmp);
  55                 }
  56         } else {
  57                 resetPlayerText();
  58                 mainLabel->setText(word);
  59                 typingPlayers = players.size();
  60         }
  61 }
  62
  63 void MultypoWindow::handleKeyPress(int device, QString string)
  64 {
  65         qDebug() << "Device" << device << "String" << string;
  66
  67         if (string == "Escape") {
  68                 close();
  69                 return;
  70         }
  71
  72         if (!players.contains(device)) {
  73                 if (gameStarted)
  74                         return;
  75                 players[device] = new Player(this);
  76         }
  77         bool newChar = players[device]->handleKey(string);
  78
  79         if (gameStarted) { // ingame
  80                 qDebug() << "current player line" << players[device]->getCurrentLine();
  81                 qDebug() << "current word" << mainLabel->text();
  82                 if (newChar && players[device]->getCurrentLine() == mainLabel->text()) {
  83                         players[device]->score += typingPlayers;
  84                         QString readyString = QString("READY: %1 points").arg(typingPlayers);
  85                         players[device]->setWaiting(readyString);
  86                         qDebug() << "typingPlayers " << typingPlayers;
  87                         typingPlayers--;
  88                         qDebug() << "typingPlayers " << typingPlayers;
  89                         if (typingPlayers <= 0) {
  90                                 nextWord();
  91                         }
  92                 }
  93         } else { // name entering phase
  94                 qDebug() << "checking for game started";
  95                 bool allHaveNames = true;
  96                 for (QMap<int, Player*>::Iterator it = players.begin(); it != players.end(); ++it) {
  97                         if (! it.value()->hasName()) {
  98                                 allHaveNames = false;
  99                                 break;
 100                         }
 101                 }
 102                 qDebug() << "Players empty?" << players.empty() << "All have names?" << allHaveNames;
 103                 if (!players.empty() && allHaveNames) {
 104                         gameStarted = true;
 105                         nextWord();
 106                 }
 107         }
 108 }
 109
 110 bool MultypoWindow::handleX11Event(XEvent *event)
 111 {
 112         Display *dpy = x11Info().display();
 113         /* Handle the first map event: We are finally visible! */
 114         if (!xiInited && event->type == MapNotify) {
 115                 /* XInput Extension available? */
 116                 int eventID, errorID;
 117                 if (!XQueryExtension(dpy, "XInputExtension", &xiOpcode, &eventID, &errorID)) {
 118                    qCritical() << "X Input extension not available";
 119                 }
 120
 121                 /* Which version of XI2? We support 2.0 */
 122                 int major = 2, minor = 1;
 123                 if (XIQueryVersion(dpy, &major, &minor) == BadRequest) {
 124                         qCritical() << "XI2 not available. Server supports" << major << "." <<
 125                                                 minor;
 126                 }
 127
 128                 qDebug() << "System supports XI2";
 129
 130
 131                 // Now let's listen to keypress events
 132                 XIEventMask eventmask;
 133                 unsigned char mask [1] = { 0 }; // will change
 134                 eventmask.deviceid = XIAllMasterDevices;
 135                 eventmask.mask_len = sizeof (mask); // in bytes, for whatever reason...
 136                 eventmask.mask = mask;
 137                 XISetMask(mask, XI_KeyPress);
 138                 XISelectEvents (dpy, winId(), &eventmask, 1);
 139
 140                 // finally, grab all focuses
 141                 int ndevices;
 142                 XIDeviceInfo* devices = XIQueryDevice(dpy, XIAllMasterDevices, &ndevices);
 143                 for (int i = 0; i < ndevices; ++i) {
 144                         if (devices[i].use != XIMasterKeyboard) continue;
 145                         qDebug() << "Found master keyboard with ID" << devices[i].deviceid;
 146                         XISetFocus(dpy, devices[i].deviceid, winId(), CurrentTime);
 147                 }
 148                 XIFreeDeviceInfo(devices);
 149
 150                 xiInited = true;
 151
 152                 return false;
 153         }
 154         else if (xiInited && event->type == GenericEvent
 155                 && event->xcookie.type == GenericEvent && event->xcookie.extension == xiOpcode
 156                 && event->xcookie.evtype == XI_KeyPress) {
 157
 158                 if (XGetEventData(dpy, &event->xcookie) != True) {
 159                         qCritical() << "Error getting event data";
 160                         // FIXME return true;
 161                 }
 162
 163                 /* Handle XI event */
 164                 XIDeviceEvent *d_ev = (XIDeviceEvent*) event->xcookie.data;
 165             KeyCode keycode = d_ev->detail;
 166             int kbdid = d_ev->deviceid;
 167
 168                 if (!(d_ev->flags & XIKeyRepeat)) {
 169                         int keysyms_per_keycode;
 170                         KeySym keysym = XGetKeyboardMapping (dpy, keycode, 1, &keysyms_per_keycode)[0];
 171                         handleKeyPress(kbdid, XKeysymToString(keysym));
 172                 }
 173
 174                 XFreeEventData(dpy, &event->xcookie);
 175
 176                 return true;
 177         }
 178         else {
 179                 return false;
 180         }
 181 }