Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegames@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

3 files changed, 1032 insertions, 0 deletions

diff --git a/kbackgammon/engines/offline/Makefile.am b/kbackgammon/engines/offline/Makefile.am
new file mode 100644
index 00000000..82d7a681
--- /dev/null
+++ b/kbackgammon/engines/offline/Makefile.am
@@ -0,0 +1,9 @@
+noinst_LTLIBRARIES = libkbgoffline.la
+
+libkbgoffline_la_SOURCES = kbgoffline.cpp
+
+INCLUDES= -I$(top_srcdir)/kbackgammon -I$(top_srcdir)/kbackgammon/engines \
+	$(all_includes)
+
+METASOURCES = AUTO
+
diff --git a/kbackgammon/engines/offline/kbgoffline.cpp b/kbackgammon/engines/offline/kbgoffline.cpp
new file mode 100644
index 00000000..920dc741
--- /dev/null
+++ b/kbackgammon/engines/offline/kbgoffline.cpp
@@ -0,0 +1,810 @@
+/* Yo Emacs, this -*- C++ -*-
+
+  Copyright (C) 1999-2001 Jens Hoefkens
+  jens@hoefkens.com
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+  $Id$
+
+*/
+
+#include "kbgoffline.moc"
+#include "kbgoffline.h"
+
+#include <qlayout.h>
+#include <qbuttongroup.h>
+#include <qcheckbox.h>
+#include <qtimer.h>
+#include <qspinbox.h>
+#include <qwhatsthis.h>
+#include <qlineedit.h>
+#include <qvbox.h>
+
+#include <kapplication.h>
+#include <kmessagebox.h>
+#include <kiconloader.h>
+#include <kstdaction.h>
+#include <kconfig.h>
+#include <klocale.h>
+#include <kmainwindow.h>
+#include <klineeditdlg.h>
+#include <kaction.h>
+#include <krandomsequence.h>
+#include <ktabctl.h>
+#include <stdlib.h>
+
+#include "version.h"
+
+class KBgEngineOfflinePrivate
+{
+public:
+
+    /*
+     * Various flags, representing the current status of the game
+     */
+    bool mRollFlag, mUndoFlag, mDoneFlag, mCubeFlag, mGameFlag, mRedoFlag;
+
+    /*
+     * Store two copies of the game: one backup and a working copy
+     */
+    KBgStatus mGame[2];
+
+    /*
+     * Use the standard method of obtaining random numbers
+     */
+    KRandomSequence *mRandom;
+
+    /*
+     * Game actions
+     */
+    KAction *mNew, *mSwap;
+    KToggleAction *mEdit;
+
+    /*
+     * Player's names
+     */
+    QString mName[2];
+
+    /*
+     * Who did the last roll
+     */
+    int mRoll;
+
+    /*
+     * How many checkers to move
+     */
+    int mMove;
+
+    /*
+     * Count the number of available undos
+     */
+    int mUndo;
+
+    /*
+     * Entry fields for the names
+     */
+    QLineEdit *mLe[2];
+
+};
+
+
+// == constructor, destructor and other ========================================
+
+/*
+ * Constructor
+ */
+KBgEngineOffline::KBgEngineOffline(QWidget *parent, QString *name, QPopupMenu *pmenu)
+    : KBgEngine(parent, name, pmenu)
+{
+    d = new KBgEngineOfflinePrivate();
+
+    /*
+     * get some entropy for the dice
+     */
+    d->mRandom = new KRandomSequence;
+    d->mRandom->setSeed(0);
+
+    /*
+     * Create engine specific actions
+     */
+    d->mNew  = new KAction(i18n("&New Game..."),    0, this, SLOT(newGame()),  this);
+    d->mSwap = new KAction(i18n("&Swap Colors"), 0, this, SLOT(swapColors()), this);
+
+    d->mEdit = new KToggleAction(i18n("&Edit Mode"), 0, this,
+                                 SLOT(toggleEditMode()), this);
+    d->mEdit->setChecked(false);
+
+    /*
+     * create & initialize the menu
+     */
+    d->mNew->plug(menu);
+    d->mEdit->plug(menu);
+    d->mSwap->plug(menu);
+
+    /*
+     * get standard board and set it
+     */
+    initGame();
+    emit newState(d->mGame[0]);
+
+    /*
+     * initialize the commit timeout
+     */
+    ct = new QTimer(this);
+    connect(ct, SIGNAL(timeout()), this, SLOT(done()));
+
+    /*
+     * internal statue variables
+     */
+    d->mRollFlag = d->mUndoFlag = d->mGameFlag = d->mDoneFlag = false;
+    connect(this, SIGNAL(allowCommand(int, bool)), this, SLOT(setAllowed(int, bool)));
+
+    /*
+     * Restore last stored settings
+     */
+    readConfig();
+}
+
+/*
+ * Destructor. The only child is the popup menu.
+ */
+KBgEngineOffline::~KBgEngineOffline()
+{
+    saveConfig();
+    delete d->mRandom;
+    delete d;
+}
+
+
+// == configuration handling ===================================================
+
+/*
+ * Put the engine specific details in the setup dialog
+ */
+void KBgEngineOffline::getSetupPages(KDialogBase *nb)
+{
+    /*
+     * Main Widget
+     */
+    QVBox *vbp = nb->addVBoxPage(i18n("Offline Engine"), i18n("Use this to configure the Offline engine"),
+                                 kapp->iconLoader()->loadIcon(PROG_NAME "_engine", KIcon::Desktop));
+
+    /*
+     * Get a multi page work space
+     */
+    KTabCtl *tc = new KTabCtl(vbp, "offline tabs");
+
+    /*
+     * Player names
+     */
+    QWidget *w = new QWidget(tc);
+    QGridLayout *gl = new QGridLayout(w, 2, 1, nb->spacingHint());
+
+    /*
+     * Group boxes
+     */
+    QGroupBox *gbn = new QGroupBox(i18n("Names"), w);
+
+    gl->addWidget(gbn, 0, 0);
+
+    gl = new QGridLayout(gbn, 2, 2, 20);
+
+    d->mLe[0] = new QLineEdit(d->mName[0], gbn);
+    d->mLe[1] = new QLineEdit(d->mName[1], gbn);
+
+    QLabel *lb[2];
+    lb[0] = new QLabel(i18n("First player:"), gbn);
+    lb[1] = new QLabel(i18n("Second player:"), gbn);
+
+    for (int i = 0; i < 2; i++) {
+        gl->addWidget(lb[i], i, 0);
+        gl->addWidget(d->mLe[i], i, 1);
+    }
+
+    QWhatsThis::add(d->mLe[0], i18n("Enter the name of the first player."));
+    QWhatsThis::add(d->mLe[1], i18n("Enter the name of the second player."));
+
+    /*
+     * Done with the page, put it in
+     */
+    gl->activate();
+    tc->addTab(w, i18n("&Player Names"));
+}
+
+/*
+ * Called when the setup dialog is positively closed
+ */
+void KBgEngineOffline::setupOk()
+{
+    d->mName[0] = d->mLe[0]->text();
+    d->mName[1] = d->mLe[1]->text();
+}
+void KBgEngineOffline::setupDefault()
+{
+    d->mName[0] = i18n("South");
+    d->mName[1] = i18n("North");
+}
+void KBgEngineOffline::setupCancel()
+{
+    // do nothing
+}
+
+/*
+ * Restore settings
+ */
+void KBgEngineOffline::readConfig()
+{
+    KConfig* config = kapp->config();
+    config->setGroup("offline engine");
+
+    d->mName[0] = config->readEntry("player-one", i18n("South")); // same as above
+    d->mName[1] = config->readEntry("player-two", i18n("North")); // same as above
+    cl = config->readNumEntry("timer", 2500);
+}
+
+/*
+ * Save the engine specific settings
+ */
+void KBgEngineOffline::saveConfig()
+{
+    KConfig* config = kapp->config();
+    config->setGroup("offline engine");
+
+    config->writeEntry("player-one", d->mName[0]  );
+    config->writeEntry("player-two", d->mName[1]);
+    config->writeEntry("timer",      cl);
+}
+
+
+// == start and init games =====================================================
+
+/*
+ * Start a new game.
+ */
+void KBgEngineOffline::newGame()
+{
+    int u = 0;
+    int t = 0;
+
+    /*
+     * If there is a game running we warn the user first
+     */
+    if (d->mGameFlag && (KMessageBox::warningYesNo((QWidget *)parent(),
+                                                   i18n("A game is currently in progress. "
+                                                        "Starting a new one will terminate it."),
+                                                   QString::null, i18n("Start New Game"),
+                                                   i18n("Continue Old Game"))
+                         == KMessageBox::No))
+        return;
+
+    /*
+     * Separate from the previous game
+     */
+    emit infoText("<br/><br/><br/>");
+
+    /*
+     * Get player's names - user can still cancel
+     */
+    if (!queryPlayerName(US) || !queryPlayerName(THEM))
+        return;
+
+    /*
+     * let the games begin
+     */
+    d->mGameFlag = true;
+
+    /*
+     * Initialize the board
+     */
+    initGame();
+
+    /*
+     * Figure out who starts by rolling
+     */
+    while (u == t) {
+        u = getRandom();
+        t = getRandom();
+        emit infoText(i18n("%1 rolls %2, %3 rolls %4.").
+                      arg(d->mName[0]).arg(u).arg(d->mName[1]).arg(t));
+    }
+
+    if (u > t) {
+        emit infoText(i18n("%1 makes the first move.").arg(d->mName[0]));
+        d->mRoll = US;
+    } else {
+        emit infoText(i18n("%1 makes the first move.").arg(d->mName[1]));
+        d->mRoll = THEM;
+        int n = u; u = t; t = n;
+    }
+
+    /*
+     * set the dice and tell the board
+     */
+    rollDiceBackend(d->mRoll, u, t);
+
+    /*
+     * tell the user
+     */
+    emit statText(i18n("%1 vs. %2").arg(d->mName[0]).arg(d->mName[1]));
+}
+
+/*
+ * Initialize the state descriptors mGame[0|1]
+ */
+void KBgEngineOffline::initGame()
+{
+    /*
+     * nobody rolled yet
+     */
+    d->mRoll = -1;
+
+    /*
+     * set up a standard game
+     */
+    d->mGame[0].setCube(1, true, true);
+    d->mGame[0].setDirection(+1);
+    d->mGame[0].setColor(+1);
+    for (int i = 1; i < 25; i++)
+        d->mGame[0].setBoard(i, US, 0);
+    d->mGame[0].setBoard( 1, US,   2); d->mGame[0].setBoard( 6, THEM, 5);
+    d->mGame[0].setBoard( 8, THEM, 3); d->mGame[0].setBoard(12, US,   5);
+    d->mGame[0].setBoard(13, THEM, 5); d->mGame[0].setBoard(17, US,   3);
+    d->mGame[0].setBoard(19, US,   5); d->mGame[0].setBoard(24, THEM, 2);
+    d->mGame[0].setHome(US, 0); d->mGame[0].setHome(THEM, 0);
+    d->mGame[0].setBar(US, 0); d->mGame[0].setBar(THEM, 0);
+    d->mGame[0].setDice(US  , 0, 0); d->mGame[0].setDice(US  , 1, 0);
+    d->mGame[0].setDice(THEM, 0, 0); d->mGame[0].setDice(THEM, 1, 0);
+
+    /*
+     * save backup of the game state
+     */
+    d->mGame[1] = d->mGame[0];
+
+    emit allowCommand(Load, true);
+}
+
+/*
+ * Open a dialog to query for the name of player w. Return true unless
+ * the dialog was canceled.
+ */
+bool KBgEngineOffline::queryPlayerName(int w)
+{
+    bool ret = false;
+    QString *name;
+    QString text;
+
+    if (w == US) {
+        name = &d->mName[0];
+        text = i18n("Please enter the nickname of the player whose home\n"
+                    "is in the lower half of the board:");
+    } else {
+        name = &d->mName[1];
+        text = i18n("Please enter the nickname of the player whose home\n"
+                    "is in the upper half of the board:");
+    }
+
+    do {
+        *name = KLineEditDlg::getText(text, *name, &ret, (QWidget *)parent());
+        if (!ret) break;
+
+    } while (name->isEmpty());
+
+    return ret;
+}
+
+
+// == moving ===================================================================
+
+/*
+ * Finish the last move - called by the timer and directly by the used
+ */
+void KBgEngineOffline::done()
+{
+    ct->stop();
+
+    emit allowMoving(false);
+    emit allowCommand(Done, false);
+    emit allowCommand(Undo, false);
+
+    if (abs(d->mGame[0].home(d->mRoll)) == 15) {
+
+        emit infoText(i18n("%1 wins the game. Congratulations!").
+                      arg((d->mRoll == US) ? d->mName[0] : d->mName[1]));
+        d->mGameFlag = false;
+        emit allowCommand(Roll, false);
+        emit allowCommand(Cube, false);
+
+    } else {
+
+        emit allowCommand(Roll, true);
+        if (d->mGame[0].cube((d->mRoll == US ? THEM : US)) > 0) {
+
+            d->mGame[0].setDice(US  , 0, 0); d->mGame[0].setDice(US  , 1, 0);
+            d->mGame[0].setDice(THEM, 0, 0); d->mGame[0].setDice(THEM, 1, 0);
+
+            emit newState(d->mGame[0]);
+            emit getState(&d->mGame[0]);
+
+            d->mGame[1] = d->mGame[0];
+
+            emit infoText(i18n("%1, please roll or double.").
+                          arg((d->mRoll == THEM) ? d->mName[0] : d->mName[1]));
+            emit allowCommand(Cube, true);
+
+        } else {
+
+            roll();
+            emit allowCommand(Cube, false);
+        }
+    }
+}
+
+/*
+ * Undo the last move
+ */
+void KBgEngineOffline::undo()
+{
+    ct->stop();
+
+    d->mRedoFlag = true;
+    ++d->mUndo;
+
+    emit allowMoving(true);
+    emit allowCommand(Done, false);
+    emit allowCommand(Redo, true);
+    emit undoMove();
+}
+
+/*
+ * Redo the last move
+ */
+void KBgEngineOffline::redo()
+{
+    --d->mUndo;
+    emit redoMove();
+}
+
+/*
+ * Take the move string and make the changes on the working copy
+ * of the state.
+ */
+void KBgEngineOffline::handleMove(QString *s)
+{
+    int index = 0;
+    QString t = s->mid(index, s->find(' ', index));
+    index += 1 + t.length();
+    int moves = t.toInt();
+
+    /*
+     * Allow undo and possibly start the commit timer
+     */
+    d->mRedoFlag &= ((moves < d->mMove) && (d->mUndo > 0));
+    emit allowCommand(Undo, moves > 0);
+    emit allowCommand(Redo, d->mRedoFlag);
+    emit allowCommand(Done, moves == d->mMove);
+    if (moves == d->mMove && cl) {
+        emit allowMoving(false);
+        ct->start(cl, true);
+    }
+
+    /*
+     * Apply moves to d->mGame[1] and store results in d->mGame[0]
+     */
+    d->mGame[0] = d->mGame[1];
+
+    /*
+     * process each individual move
+     */
+    for (int i = 0; i < moves; i++) {
+        bool kick = false;
+        t = s->mid(index, s->find(' ', index) - index);
+        index += 1 + t.length();
+        char c = '-';
+        if (t.contains('+')) {
+            c = '+';
+            kick = true;
+        }
+        QString r = t.left(t.find(c));
+        if (r.contains("bar")) {
+            d->mGame[0].setBar(d->mRoll, abs(d->mGame[0].bar(d->mRoll)) - 1);
+        } else {
+            int from = r.toInt();
+            d->mGame[0].setBoard(from, d->mRoll, abs(d->mGame[0].board(from)) - 1);
+        }
+        t.remove(0, 1 + r.length());
+        if (t.contains("off")) {
+            d->mGame[0].setHome(d->mRoll, abs(d->mGame[0].home(d->mRoll)) + 1);
+        } else {
+            int to = t.toInt();
+            if (kick) {
+                d->mGame[0].setBoard(to, d->mRoll, 0);
+                int el = ((d->mRoll == US) ? THEM : US);
+                d->mGame[0].setBar(el, abs(d->mGame[0].bar(el)) + 1);
+            }
+            d->mGame[0].setBoard(to, d->mRoll, abs(d->mGame[0].board(to)) + 1);
+        }
+    }
+}
+
+
+// == dice & rolling ===========================================================
+
+/*
+ * Roll random dice for the player whose turn it is
+ */
+void KBgEngineOffline::roll()
+{
+    rollDice((d->mRoll == US) ? THEM : US);
+}
+
+/*
+ * If possible, roll random dice for player w
+ */
+void KBgEngineOffline::rollDice(const int w)
+{
+    if ((d->mRoll != w) && d->mRollFlag) {
+        rollDiceBackend(w, getRandom(), getRandom());
+        return;
+    }
+    emit infoText(i18n("It's not your turn to roll!"));
+}
+
+/*
+ * Return a random integer between 1 and 6. According to the man
+ * page of rand(), this is the way to go...
+ */
+int KBgEngineOffline::getRandom()
+{
+    return 1+d->mRandom->getLong(6);
+}
+
+/*
+ * Set the dice for player w to a and b. Reload the board and determine the
+ * maximum number of moves
+ */
+void KBgEngineOffline::rollDiceBackend(const int w, const int a, const int b)
+{
+    /*
+     * This is a special case that stems from leaving the edit
+     * mode.
+     */
+    if (a == 0)
+        return;
+
+    /*
+     * Set the dice and tel the board about the new state
+     */
+    d->mGame[0].setDice(w, 0, a);
+    d->mGame[0].setDice(w, 1, b);
+    d->mGame[0].setDice((w == US) ? THEM : US, 0, 0);
+    d->mGame[0].setDice((w == US) ? THEM : US, 1, 0);
+    d->mGame[0].setTurn(w);
+
+    d->mGame[1] = d->mGame[0];
+
+    d->mRoll = w;
+    emit newState(d->mGame[0]);
+
+    /*
+     * No more roling until Done and no Undo yet
+     */
+    emit allowCommand(Undo, false);
+    emit allowCommand(Roll, false);
+    d->mRedoFlag = false;
+    d->mUndo = 0;
+
+    /*
+     * Tell the players how many checkers to move
+     */
+    switch (d->mMove = d->mGame[0].moves()) {
+    case -1:
+        emit infoText(i18n("Game over!"));
+        d->mGameFlag = false;
+        emit allowCommand(Roll, false);
+        emit allowCommand(Cube, false);
+        emit allowMoving(false);
+        break;
+    case  0:
+        emit infoText(i18n("%1, you cannot move.").
+                      arg((w == US) ? d->mName[0] : d->mName[1]));
+        if (cl)
+            ct->start(cl, true);
+        emit allowMoving(false);
+        break;
+//    case  1:
+    default:
+        emit infoText(QString((w == US) ? d->mName[0] : d->mName[1]) +
+	i18n(", please move 1 piece.",", please move %n pieces.",d->mMove));
+        emit allowMoving(true);
+        break;
+    }
+}
+
+
+// == cube =====================================================================
+
+/*
+ * Double the cube for the player that can double  - asks player
+ */
+void KBgEngineOffline::cube()
+{
+    int w = ((d->mRoll == US) ? THEM : US);
+
+    if (d->mRollFlag && d->mGame[0].cube(w) > 0) {
+        emit allowCommand(Cube, false);
+        if (KMessageBox::questionYesNo((QWidget *)parent(),
+                                       i18n("%1 has doubled. %2, do you accept the double?").
+                                       arg((w == THEM) ? d->mName[1] : d->mName[0]).
+                                       arg((w == US) ? d->mName[1] : d->mName[0]),
+                                       i18n("Doubling"), i18n("Accept"), i18n("Reject")) != KMessageBox::Yes) {
+            d->mGameFlag = false;
+            emit allowCommand(Roll, false);
+            emit allowCommand(Cube, false);
+            emit infoText(i18n("%1 wins the game. Congratulations!").
+                          arg((w == US) ? d->mName[0] : d->mName[1]));
+            return;
+        }
+
+        emit infoText(i18n("%1 has accepted the double. The game continues.").
+                      arg((w == THEM) ? d->mName[0] : d->mName[1]));
+
+        if (d->mGame[0].cube(US)*d->mGame[0].cube(THEM) > 0)
+            d->mGame[0].setCube(2, w == THEM, w == US);
+        else
+            d->mGame[0].setCube(2*d->mGame[0].cube(w), w == THEM, w == US);
+
+        emit newState(d->mGame[0]);
+        emit getState(&d->mGame[0]);
+
+        d->mGame[1] = d->mGame[0];
+
+        roll();
+    }
+}
+
+/*
+ * Double the cube for player w
+ */
+void KBgEngineOffline::doubleCube(const int)
+{
+    cube();
+}
+
+
+// == various slots & functions ================================================
+
+/*
+ * Check with the user if we should really quit in the middle of a
+ * game.
+ */
+bool KBgEngineOffline::queryClose()
+{
+    if (!d->mGameFlag)
+        return true;
+
+    switch (KMessageBox::warningContinueCancel((QWidget *)parent(),
+                                      i18n("In the middle of a game. "
+                                           "Really quit?"), QString::null, KStdGuiItem::quit())) {
+    case KMessageBox::Continue :
+        return TRUE;
+    case KMessageBox::Cancel :
+        return FALSE;
+    default: // cancel
+        return FALSE;
+    }
+    return true;
+}
+
+/*
+ * Quitting is fine at any time
+ */
+bool KBgEngineOffline::queryExit()
+{
+    return true;
+}
+
+/*
+ * Handle textual commands. Right now, all commands are ignored
+ */
+void  KBgEngineOffline::handleCommand(const QString& cmd)
+{
+    emit infoText(i18n("Text commands are not yet working. "
+                       "The command '%1' has been ignored.").arg(cmd));
+}
+
+/*
+ * Load the last known sane state of the board
+ */
+void KBgEngineOffline::load()
+{
+    if (d->mEdit->isChecked())
+        emit newState(d->mGame[1]);
+    else {
+        // undo up to four moves
+        undo();
+        undo();
+        undo();
+        undo();
+    }
+}
+
+/*
+ * Store if cmd is allowed or not
+ */
+void KBgEngineOffline::setAllowed(int cmd, bool f)
+{
+    switch (cmd) {
+    case Roll:
+        d->mRollFlag = f;
+        return;
+    case Undo:
+        d->mUndoFlag = f;
+        return;
+    case Cube:
+        d->mCubeFlag = f;
+        return;
+    case Done:
+        d->mDoneFlag = f;
+        return;
+    }
+}
+
+/*
+ * Swaps the used colors on the board
+ */
+void KBgEngineOffline::swapColors()
+{
+    d->mGame[1].setDice(US,   0, d->mGame[0].dice(US,   0));
+    d->mGame[1].setDice(US,   1, d->mGame[0].dice(US,   1));
+    d->mGame[1].setDice(THEM, 0, d->mGame[0].dice(THEM, 0));
+    d->mGame[1].setDice(THEM, 1, d->mGame[0].dice(THEM, 1));
+    d->mGame[1].setColor(d->mGame[1].color(THEM), US);
+    emit newState(d->mGame[1]);
+    emit getState(&d->mGame[1]);
+    d->mGame[0] = d->mGame[1];
+}
+
+/*
+ * Switch back and forth between edit and play mode
+ */
+void KBgEngineOffline::toggleEditMode()
+{
+    emit setEditMode(d->mEdit->isChecked());
+    if (d->mEdit->isChecked()) {
+        ct->stop();
+        d->mNew->setEnabled(false);
+        d->mSwap->setEnabled(false);
+        emit allowCommand(Undo, false);
+        emit allowCommand(Roll, false);
+        emit allowCommand(Done, false);
+        emit allowCommand(Cube, false);
+        emit statText(i18n("%1 vs. %2 - Edit Mode").arg(d->mName[0]).arg(d->mName[1]));
+    } else {
+        d->mNew->setEnabled(true);
+        d->mSwap->setEnabled(true);
+        emit statText(i18n("%1 vs. %2").arg(d->mName[0]).arg(d->mName[1]));
+        emit getState(&d->mGame[1]);
+        d->mGame[0] = d->mGame[1];
+        emit allowCommand(Done, d->mDoneFlag);
+        emit allowCommand(Cube, d->mCubeFlag);
+        emit allowCommand(Undo, d->mUndoFlag);
+        emit allowCommand(Roll, d->mRollFlag);
+        int w =((d->mGame[0].dice(US, 0) && d->mGame[0].dice(US, 1)) ? US : THEM);
+        rollDiceBackend(w, d->mGame[0].dice(w, 0), d->mGame[0].dice(w, 1));
+    }
+}
+
+// EOF
diff --git a/kbackgammon/engines/offline/kbgoffline.h b/kbackgammon/engines/offline/kbgoffline.h
new file mode 100644
index 00000000..db2bdc03
--- /dev/null
+++ b/kbackgammon/engines/offline/kbgoffline.h
@@ -0,0 +1,213 @@
+/* Yo Emacs, this -*- C++ -*-
+
+  Copyright (C) 1999-2001 Jens Hoefkens
+  jens@hoefkens.com
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+  $Id$
+
+*/
+
+#ifndef __KBGOFFLINE_H
+#define __KBGOFFLINE_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <generic/kbgengine.h>
+
+#include "kbgboard.h"
+#include "kbgstatus.h"
+
+class KBgEngineOfflinePrivate;
+
+/**
+ *
+ * The interface of an offline backgammon engine. The engine is inherently
+ * stupid and doesn't play - it just manages the games betweeen two humans
+ * sitting at the same computer. Network enabled games will be part of the
+ * next generation engine (KBgNg).
+ *
+ * @short The offline backgammon engine
+ * @author Jens Hoefkens <jens@hoefkens.com>
+ *
+ */
+class KBgEngineOffline : public KBgEngine
+{
+    Q_OBJECT
+
+public:
+
+    /**
+     * Constructor
+     */
+    KBgEngineOffline(QWidget *parent = 0, QString *name = 0, QPopupMenu *pmenu = 0);
+
+    /**
+     * Destructor
+     */
+    virtual ~KBgEngineOffline();
+
+    /**
+     * Fills the engine-specific page into the notebook
+     */
+    virtual void getSetupPages(KDialogBase *nb);
+
+    /**
+     * Save new steup
+     */
+    virtual void setupOk();
+
+    /**
+     * Load default setup
+     */
+    virtual void setupDefault();
+
+    /**
+     * Cancel the changes to the setup
+     */
+    virtual void setupCancel();
+
+    /**
+     * Check with the engine if we can quit. This may require user
+     * interaction.
+     */
+    virtual bool queryClose();
+
+    /**
+     * About to be closed. Let the engine exit properly.
+     */
+    virtual bool queryExit();
+
+public slots:
+
+    /**
+     * Read user settings from the config file
+     */
+    virtual void readConfig();
+
+    /**
+     * Save user settings to the config file
+     */
+    virtual void saveConfig();
+
+    /**
+     * Roll dice for the player w
+     */
+    virtual void rollDice(const int w);
+
+    /**
+     * Double the cube of player w
+     */
+    virtual void doubleCube(const int w);
+
+    /**
+     * A move has been made on the board - see the board class
+     * for the format of the string s
+     */
+    virtual void handleMove(QString *s);
+
+    /**
+     * Undo the last move
+     */
+    virtual void undo();
+
+    /**
+     * Redo the last move
+     */
+    virtual void redo();
+
+    /**
+     * Roll dice for whoevers turn it is
+     */
+    virtual void roll();
+
+    /**
+     * Double the cube for whoevers can double right now
+     */
+    virtual void cube();
+
+    /**
+     * Reload the board to the last known sane state
+     */
+    virtual void load();
+
+    /**
+     * Commit a move
+     */
+    virtual void done();
+
+    /**
+     * Process the string cmd
+     */
+    virtual void handleCommand(const QString& cmd);
+
+    /**
+     * Start a new game.
+     */
+    virtual void newGame();
+    virtual bool haveNewGame() {return true;}
+
+
+protected slots:
+
+    /**
+     * Initialize the state descriptors game[0] and game[1]
+     */
+    void initGame();
+
+    /**
+     * Switch back and forth between edit and play mode
+     */
+    void toggleEditMode();
+
+    /**
+     * Store if cmd is allowed or not
+     */
+    void setAllowed(int cmd, bool f);
+
+    /**
+     * Swaps the used colors on the board
+     */
+    void swapColors();
+
+protected:
+
+    /**
+     * Returns a random integer between 1 and 6
+     */
+    int getRandom();
+
+    /**
+     * Set the dice for player w to a and b. Reload the board and determine the
+     * maximum number of moves
+     */
+    void rollDiceBackend(const int w, const int a, const int b);
+
+    /**
+     * Open a dialog to query for the name of player w. Return true unless
+     * the dialog was canceled.
+     */
+    bool queryPlayerName(int w);
+
+private:
+
+    KBgEngineOfflinePrivate *d;
+
+};
+
+#endif // __KBGOFFLINE_H