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

1 files changed, 462 insertions, 0 deletions

diff --git a/kmines/field.cpp b/kmines/field.cpp
new file mode 100644
index 00000000..1f3b3dfd
--- /dev/null
+++ b/kmines/field.cpp
@@ -0,0 +1,462 @@
+/*
+ * Copyright (c) 1996-2002 Nicolas HADACEK (hadacek@kde.org)
+ *
+ * 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.
+ */
+
+#include "field.h"
+#include "field.moc"
+
+#include <math.h>
+
+#include <qlayout.h>
+#include <qtimer.h>
+#include <qpainter.h>
+
+#include <klocale.h>
+#include <knotifyclient.h>
+
+#include "settings.h"
+#include "solver/solver.h"
+#include "dialogs.h"
+
+
+using namespace KGrid2D;
+
+const Field::ActionData Field::ACTION_DATA[Nb_Actions] = {
+  { "Reveal",         "reveal",          I18N_NOOP("Case revealed")       },
+  { "AutoReveal",     "autoreveal",      I18N_NOOP("Case autorevealed")   },
+  { "SetFlag",        "mark",            I18N_NOOP("Flag set")            },
+  { "UnsetFlag",      "unmark",          I18N_NOOP("Flag unset")          },
+  { "SetUncertain",   "set_uncertain",   I18N_NOOP("Question mark set")   },
+  { "UnsetUncertain", "unset_uncertain", I18N_NOOP("Question mark unset") }
+};
+
+Field::Field(QWidget *parent)
+    : FieldFrame(parent), _state(Init), _solvingState(Regular), _level(Level::Easy)
+{}
+
+void Field::readSettings()
+{
+    if ( inside(_cursor) ) {
+        QPainter p(this);
+        drawCase(p, _cursor);
+    }
+    if ( Settings::magicReveal() ) emit setCheating();
+}
+
+QSize Field::sizeHint() const
+{
+  return QSize(2*frameWidth() + _level.width()*Settings::caseSize(),
+               2*frameWidth() + _level.height()*Settings::caseSize());
+}
+
+void Field::setLevel(const Level &level)
+{
+    _level = level;
+    reset(false);
+    adjustSize();
+}
+
+void Field::setReplayField(const QString &field)
+{
+    setState(Replaying);
+    initReplay(field);
+}
+
+void Field::setState(GameState state)
+{
+    Q_ASSERT( state!=GameOver );
+    emit gameStateChanged(state);
+    _state = state;
+}
+
+void Field::reset(bool init)
+{
+    BaseField::reset(_level.width(), _level.height(), _level.nbMines());
+    if ( init || _state==Init ) setState(Init);
+    else setState(Stopped);
+    if (Settings::magicReveal()) emit setCheating();
+    _currentAction = Settings::EnumMouseAction::None;
+    _reveal = false;
+    _cursor.first = _level.width()/2;
+    _cursor.second = _level.height()/2;
+    _advisedCoord = Coord(-1, -1);
+    update();
+}
+
+void Field::paintEvent(QPaintEvent *e)
+{
+	QPainter painter(this);
+	drawFrame(&painter);
+	if ( _state==Paused ) return;
+
+    Coord min = fromPoint(e->rect().topLeft());
+    bound(min);
+    Coord max = fromPoint(e->rect().bottomRight());
+    bound(max);
+	for (short i=min.first; i<=max.first; i++)
+	    for (short j=min.second; j<=max.second; j++)
+            drawCase(painter, Coord(i,j));
+}
+
+void Field::changeCase(const Coord &p, CaseState newState)
+{
+    BaseField::changeCase(p, newState);
+    QPainter painter(this);
+	drawCase(painter, p);
+	if ( isActive() ) emit updateStatus( hasMine(p) );
+}
+
+QPoint Field::toPoint(const Coord &p) const
+{
+    QPoint qp;
+    qp.setX( p.first*Settings::caseSize() + frameWidth() );
+    qp.setY( p.second*Settings::caseSize() + frameWidth() );
+    return qp;
+}
+
+Coord Field::fromPoint(const QPoint &qp) const
+{
+	double i = (double)(qp.x() - frameWidth()) / Settings::caseSize();
+    double j = (double)(qp.y() - frameWidth()) / Settings::caseSize();
+    return Coord((int)floor(i), (int)floor(j));
+}
+
+int Field::mapMouseButton(QMouseEvent *e) const
+{
+	switch (e->button()) {
+	case Qt::LeftButton:  return Settings::mouseAction(Settings::EnumButton::left);
+	case Qt::MidButton:   return Settings::mouseAction(Settings::EnumButton::mid);
+	case Qt::RightButton: return Settings::mouseAction(Settings::EnumButton::right);
+	default:              return Settings::EnumMouseAction::ToggleFlag;
+	}
+}
+
+void Field::revealActions(bool press)
+{
+    if ( _reveal==press ) return; // avoid flicker
+    _reveal = press;
+
+	switch (_currentAction) {
+	case Reveal:
+		pressCase(_cursor, press);
+		break;
+	case AutoReveal:
+		pressClearFunction(_cursor, press);
+		break;
+	default:
+		break;
+	}
+}
+
+void Field::mousePressEvent(QMouseEvent *e)
+{
+    if ( !isActive() || (_currentAction!=Settings::EnumMouseAction::None) ) return;
+
+    emit setMood(Stressed);
+    _currentAction = mapMouseButton(e);
+
+    Coord p = fromPoint(e->pos());
+    if ( !inside(p) ) return;
+    placeCursor(p);
+    revealActions(true);
+}
+
+void Field::mouseReleaseEvent(QMouseEvent *e)
+{
+    if ( !isActive() ) return;
+
+    int tmp = _currentAction;
+    emit setMood(Normal);
+    revealActions(false);
+    int ma = mapMouseButton(e);
+    _currentAction = Settings::EnumMouseAction::None;
+    if ( ma!=tmp ) return;
+
+    Coord p = fromPoint(e->pos());
+    if ( !inside(p) ) return;
+    placeCursor(p);
+
+    switch (ma) {
+    case Settings::EnumMouseAction::ToggleFlag:          doMark(p); break;
+    case Settings::EnumMouseAction::ToggleUncertainFlag: doUmark(p); break;
+    case Settings::EnumMouseAction::Reveal:              doReveal(p); break;
+    case Settings::EnumMouseAction::AutoReveal:          doAutoReveal(p); break;
+    default: break;
+    }
+}
+
+void Field::mouseMoveEvent(QMouseEvent *e)
+{
+	if ( !isActive() ) return;
+
+    Coord p = fromPoint(e->pos());
+    if ( p==_cursor ) return; // avoid flicker
+
+	revealActions(false);
+    if ( !inside(p) ) return;
+    placeCursor(p);
+	revealActions(true);
+}
+
+void Field::pressCase(const Coord &c, bool pressed)
+{
+	if ( state(c)==Covered ) {
+        QPainter painter(this);
+        drawCase(painter, c, pressed);
+    }
+}
+
+void Field::pressClearFunction(const Coord &p, bool pressed)
+{
+    pressCase(p, pressed);
+    CoordList n = coveredNeighbours(p);
+    QPainter painter(this);
+    for (CoordList::const_iterator it=n.begin(); it!=n.end(); ++it)
+        drawCase(painter, *it, pressed);
+}
+
+void Field::keyboardAutoReveal()
+{
+	_cursor_back = _cursor;
+	pressClearFunction(_cursor_back, true);
+	QTimer::singleShot(50, this, SLOT(keyboardAutoRevealSlot()));
+}
+
+void Field::keyboardAutoRevealSlot()
+{
+	pressClearFunction(_cursor_back, false);
+	doAutoReveal(_cursor_back);
+}
+
+void Field::doAutoReveal(const Coord &c)
+{
+	if ( !isActive() ) return;
+    if ( state(c)!=Uncovered ) return;
+    emit addAction(c, AutoReveal);
+    resetAdvised();
+    doAction(AutoReveal, c, Settings::magicReveal());
+}
+
+void Field::pause()
+{
+    switch (_state) {
+    case Paused:  setState(Playing); break;
+    case Playing: setState(Paused); break;
+    default: return;
+    }
+    update();
+}
+
+void Field::moveCursor(Neighbour n)
+{
+    Coord c = neighbour(_cursor, n);
+    if ( inside(c) ) placeCursor(c);
+}
+
+void Field::moveToEdge(Neighbour n)
+{
+    Coord c = toEdge(_cursor, n);
+    if ( inside(c) ) placeCursor(c);
+}
+
+bool Field::doReveal(const Coord &c, CoordList *autorevealed,
+                     bool *caseUncovered)
+{
+	if ( !isActive() ) return true;
+    if ( state(c)!=Covered ) return true;
+    if ( firstReveal() ) setState(Playing);
+    CaseState state =
+        doAction(Reveal, c, Settings::magicReveal(), autorevealed, caseUncovered);
+    emit addAction(c, Reveal);
+    return ( state!=Error );
+}
+
+void Field::doMark(const Coord &c)
+{
+	if ( !isActive() ) return;
+    ActionType action;
+    CaseState oldState = state(c);
+    switch (oldState) {
+	case Covered:   action = SetFlag; break;
+	case Marked:    action = (Settings::uncertainMark() ? SetUncertain : UnsetFlag); break;
+	case Uncertain:	action = UnsetUncertain; break;
+	default:        return;
+	}
+    CaseState newState = doAction(action, c, Settings::magicReveal());
+    addMarkAction(c, newState, oldState);
+}
+
+void Field::doUmark(const Coord &c)
+{
+	if ( !isActive() ) return;
+    ActionType action;
+    CaseState oldState = state(c);
+    switch (oldState) {
+	case Covered:
+	case Marked:    action = SetUncertain; break;
+	case Uncertain: action = UnsetUncertain; break;
+	default:        return;
+	}
+    CaseState newState = doAction(action, c, Settings::magicReveal());
+    addMarkAction(c, newState, oldState);
+}
+
+
+KMines::CaseState Field::doAction(ActionType type, const Coord &c,
+                                  bool complete, CoordList *autorevealed,
+                                  bool *caseUncovered)
+{
+    resetAdvised();
+    CaseState state = Error;
+    if ( _solvingState==Solved ) complete = false;
+
+    KNotifyClient::event(winId(), ACTION_DATA[type].event,
+                         i18n(ACTION_DATA[type].eventMessage));
+    switch (type) {
+    case Reveal:
+        if ( !reveal(c, autorevealed, caseUncovered) )
+            emit gameStateChanged(GameOver);
+        else {
+            state = Uncovered;
+            if (complete) completeReveal();
+        }
+        break;
+    case AutoReveal:
+        if ( !autoReveal(c, caseUncovered) )
+            emit gameStateChanged(GameOver);
+        else {
+            state = Uncovered;
+            if (complete) completeReveal();
+        }
+        break;
+    case SetFlag:
+        state = Marked;
+        if (complete) completeReveal();
+        break;
+    case UnsetFlag:
+    case UnsetUncertain:
+        state = Covered;
+        break;
+    case SetUncertain:
+        state = Uncertain;
+        break;
+    case Nb_Actions:
+        Q_ASSERT(false);
+        break;
+    }
+
+    if ( state!=Error ) changeCase(c, state);
+    return state;
+}
+
+void Field::addMarkAction(const Coord &c, CaseState newS, CaseState oldS)
+{
+    switch (newS) {
+    case Marked:    emit addAction(c, SetFlag); return;
+    case Uncertain: emit addAction(c, SetUncertain); return;
+    default: break;
+    }
+    switch (oldS) {
+    case Marked:    emit addAction(c, UnsetFlag); return;
+    case Uncertain: emit addAction(c, UnsetUncertain); return;
+    default: break;
+    }
+}
+
+void Field::placeCursor(const Coord &p)
+{
+    if ( !isActive() ) return;
+
+    Q_ASSERT( inside(p) );
+    Coord old = _cursor;
+    _cursor = p;
+    if ( Settings::keyboardGame() ) {
+        QPainter painter(this);
+        drawCase(painter, old);
+        drawCase(painter, _cursor);
+    }
+}
+
+void Field::resetAdvised()
+{
+    if ( !inside(_advisedCoord) ) return;
+    QPainter p(this);
+    Coord tmp = _advisedCoord;
+    _advisedCoord = Coord(-1, -1);
+    drawCase(p, tmp);
+}
+
+void Field::setAdvised(const Coord &c, double proba)
+{
+    resetAdvised();
+	_solvingState = Advised;
+	_advisedCoord = c;
+    _advisedProba = proba;
+    if ( inside(c) ) {
+        QPainter p(this);
+        drawCase(p, c);
+    }
+}
+
+void Field::drawCase(QPainter &painter, const Coord &c, bool pressed) const
+{
+	Q_ASSERT( inside(c) );
+
+    QString text;
+    uint nbMines = 0;
+    PixmapType type = NoPixmap;
+
+	switch ( state(c) ) {
+    case Covered:
+        break;
+	case Marked:
+        type = FlagPixmap;
+        pressed = false;
+        break;
+	case Error:
+        type = ErrorPixmap;
+        pressed = true;
+        break;
+	case Uncertain:
+        text = '?';
+        pressed = false;
+        break;
+	case Exploded:
+        type = ExplodedPixmap;
+        pressed = true;
+        break;
+	case Uncovered:
+        pressed = true;
+        if ( hasMine(c) ) type = MinePixmap;
+        else {
+            nbMines = nbMinesAround(c);
+            if (nbMines) text.setNum(nbMines);
+        }
+	}
+
+    int i = -1;
+    if ( c==_advisedCoord ) {
+        if ( _advisedProba==1 ) i = 0;
+        else if ( _advisedProba>0.75 ) i = 1;
+        else if ( _advisedProba>0.5  ) i = 2;
+        else if ( _advisedProba>0.25 ) i = 3;
+        else i = 4;
+    }
+
+    bool hasFocus = ( Settings::keyboardGame() && (c==_cursor) );
+    drawBox(painter, toPoint(c), pressed, type, text, nbMines, i, hasFocus);
+}