git.maemo.org Git - impuzzle/blob - src/puzzleitem.cpp

   1 /*
   2   Image Puzzle - A set your pieces straight game
   3   Copyright (C) 2009  Timo Härkönen
   4
   5   This program is free software: you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation, either version 3 of the License, or
   8   (at your option) any later version.
   9
  10   This program is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13   GNU General Public License for more details.
  14
  15   You should have received a copy of the GNU General Public License
  16   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include "puzzleitem.h"
  20 #include "gameview.h"
  21
  22 #include <QGraphicsSceneMouseEvent>
  23 #include <QPropertyAnimation>
  24 #include <QPainter>
  25 #include <QFont>
  26 #include <QFontMetrics>
  27
  28 int PuzzleItem::moveCount_ = 0;
  29 bool PuzzleItem::manuallyMovable_ = false;
  30
  31 PuzzleItem::PuzzleItem(QGraphicsItem *parent) :
  32         QGraphicsPixmapItem(parent)
  33 {
  34     movable_ = true;
  35     moveAnimation_ = new QPropertyAnimation(this, "pos", this);
  36     pieceNumber_ = 0;
  37     drawNumber_ = true;
  38 }
  39
  40 QPointF PuzzleItem::correctPlace() const
  41 {
  42     return correctPlace_;
  43 }
  44
  45 QPointF PuzzleItem::currentPlace() const
  46 {
  47     return currentPlace_;
  48 }
  49
  50 void PuzzleItem::setCorrectPlace(const QPointF &place)
  51 {
  52     correctPlace_ = place;
  53 }
  54
  55 void PuzzleItem::setCurrentPlace(const QPointF &place)
  56 {
  57     currentPlace_ = place;
  58 }
  59
  60 bool PuzzleItem::movable() const
  61 {
  62     return movable_;
  63 }
  64
  65 void PuzzleItem::setMovable(bool canMove)
  66 {
  67     movable_ = canMove;
  68 }
  69
  70 void PuzzleItem::moveMeTo(const QPointF &location)
  71 {
  72     moveAnimation_->setStartValue(currentPlace());
  73     moveAnimation_->setEndValue(location);
  74     moveAnimation_->start();
  75 }
  76
  77 void PuzzleItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
  78 {
  79     if(movable_ && manuallyMovable_) {
  80         moveMeTo(GameView::instance()->emptyPlace());
  81         QPointF tmp = currentPlace();
  82         setCurrentPlace(GameView::instance()->emptyPlace());
  83         GameView::instance()->setEmptyPlace(tmp);
  84         event->accept();
  85
  86         moveCount_++;
  87
  88         // If piece is in its place check if we won the game
  89         bool won = false;
  90         if(currentPlace() == correctPlace()) {
  91             won = GameView::instance()->areAllPiecesOk();
  92         }
  93
  94         // if we didn't win set pieces that can be moved
  95         if(!won) {
  96             GameView::instance()->setMovingPieces();
  97         }
  98     }
  99     else {
 100         event->ignore();
 101     }
 102 }
 103
 104 void PuzzleItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 105 {
 106     event->ignore();
 107 }
 108
 109 int PuzzleItem::moveCount()
 110 {
 111     return moveCount_;
 112 }
 113
 114 void PuzzleItem::resetMoveCount()
 115 {
 116     moveCount_ = 0;
 117 }
 118
 119 void PuzzleItem::setManuallyMovable(const bool manuallyMovable)
 120 {
 121     manuallyMovable_ = manuallyMovable;
 122 }
 123
 124 void PuzzleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
 125 {
 126     QGraphicsPixmapItem::paint(painter, option, widget);
 127
 128     if(drawNumber_) {
 129         painter->save();
 130
 131         QFont font = painter->font();
 132         QFontMetrics metrics(font);
 133         QRect numberRect(0, 0, metrics.height(), metrics.height());
 134
 135         painter->setPen(Qt::NoPen);
 136
 137         painter->setBrush(QColor(255, 255, 255, 192));
 138         painter->drawRect(numberRect);
 139
 140         painter->setPen(Qt::black);
 141
 142         QTextOption textOption;
 143         textOption.setAlignment(Qt::AlignCenter);
 144
 145         painter->drawText(numberRect, QString::number(pieceNumber_), textOption);
 146
 147         painter->restore();
 148     }
 149 }
 150
 151 int PuzzleItem::pieceNumber() const
 152 {
 153     return pieceNumber_;
 154 }
 155
 156 void PuzzleItem::setPieceNumber(const int pieceNumber)
 157 {
 158     pieceNumber_ = pieceNumber;
 159 }
 160
 161 void PuzzleItem::setDrawNumber(bool value)
 162 {
 163     if(value != drawNumber_) {
 164         drawNumber_ = value;
 165         update();
 166     }
 167 }
 168
 169 bool PuzzleItem::drawNumber() const
 170 {
 171     return drawNumber_;
 172 }
 173
 174 void PuzzleItem::setMoveCount(int count)
 175 {
 176     moveCount_ = count;
 177 }