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
  30 PuzzleItem::PuzzleItem(QGraphicsItem *parent) :
  31         QGraphicsPixmapItem(parent)
  32 {
  33     movable_ = true;
  34     moveAnimation_ = new QPropertyAnimation(this, "pos", this);
  35     pieceNumber_ = 0;
  36 }
  37
  38 QPointF PuzzleItem::correctPlace() const
  39 {
  40     return correctPlace_;
  41 }
  42
  43 QPointF PuzzleItem::currentPlace() const
  44 {
  45     return currentPlace_;
  46 }
  47
  48 void PuzzleItem::setCorrectPlace(const QPointF &place)
  49 {
  50     correctPlace_ = place;
  51 }
  52
  53 void PuzzleItem::setCurrentPlace(const QPointF &place)
  54 {
  55     currentPlace_ = place;
  56 }
  57
  58 bool PuzzleItem::movable() const
  59 {
  60     return movable_;
  61 }
  62
  63 void PuzzleItem::setMovable(bool canMove)
  64 {
  65     movable_ = canMove;
  66 }
  67
  68 void PuzzleItem::moveMeTo(const QPointF &location)
  69 {
  70     moveAnimation_->setStartValue(currentPlace());
  71     moveAnimation_->setEndValue(location);
  72     moveAnimation_->start();
  73 }
  74
  75 void PuzzleItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
  76 {
  77     if(movable_) {
  78         moveMeTo(GameView::instance()->emptyPlace());
  79         QPointF tmp = currentPlace();
  80         setCurrentPlace(GameView::instance()->emptyPlace());
  81         GameView::instance()->setEmptyPlace(tmp);
  82         event->accept();
  83
  84         moveCount_++;
  85
  86         // If piece is in its place check if we won the game
  87         bool won = false;
  88         if(currentPlace() == correctPlace()) {
  89             won = GameView::instance()->areAllPiecesOk();
  90         }
  91
  92         // if we didn't win set pieces that can be moved
  93         if(!won) {
  94             GameView::instance()->setMovingPieces();
  95         }
  96     }
  97     else {
  98         event->ignore();
  99     }
 100 }
 101
 102 void PuzzleItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 103 {
 104     event->ignore();
 105 }
 106
 107 int PuzzleItem::moveCount()
 108 {
 109     return moveCount_;
 110 }
 111
 112 void PuzzleItem::resetMoveCount()
 113 {
 114     moveCount_ = 0;
 115 }
 116
 117 void PuzzleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
 118 {
 119     QGraphicsPixmapItem::paint(painter, option, widget);
 120
 121     painter->save();
 122
 123     QFont font = painter->font();
 124     QFontMetrics metrics(font);
 125     QRect numberRect(0, 0, metrics.height(), metrics.height());
 126
 127     painter->setPen(Qt::NoPen);
 128
 129     painter->setBrush(QColor(255, 255, 255, 192));
 130     painter->drawRect(numberRect);
 131
 132     painter->setPen(Qt::black);
 133
 134     QTextOption textOption;
 135     textOption.setAlignment(Qt::AlignCenter);
 136
 137     painter->drawText(numberRect, QString::number(pieceNumber_), textOption);
 138
 139     painter->restore();
 140 }
 141
 142 int PuzzleItem::pieceNumber() const
 143 {
 144     return pieceNumber_;
 145 }
 146
 147 void PuzzleItem::setPieceNumber(const int pieceNumber)
 148 {
 149     pieceNumber_ = pieceNumber;
 150 }