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     drawNumber_ = true;
  37 }
  38
  39 QPointF PuzzleItem::correctPlace() const
  40 {
  41     return correctPlace_;
  42 }
  43
  44 QPointF PuzzleItem::currentPlace() const
  45 {
  46     return currentPlace_;
  47 }
  48
  49 void PuzzleItem::setCorrectPlace(const QPointF &place)
  50 {
  51     correctPlace_ = place;
  52 }
  53
  54 void PuzzleItem::setCurrentPlace(const QPointF &place)
  55 {
  56     currentPlace_ = place;
  57 }
  58
  59 bool PuzzleItem::movable() const
  60 {
  61     return movable_;
  62 }
  63
  64 void PuzzleItem::setMovable(bool canMove)
  65 {
  66     movable_ = canMove;
  67 }
  68
  69 void PuzzleItem::moveMeTo(const QPointF &location)
  70 {
  71     moveAnimation_->setStartValue(currentPlace());
  72     moveAnimation_->setEndValue(location);
  73     moveAnimation_->start();
  74 }
  75
  76 void PuzzleItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
  77 {
  78     if(movable_) {
  79         moveMeTo(GameView::instance()->emptyPlace());
  80         QPointF tmp = currentPlace();
  81         setCurrentPlace(GameView::instance()->emptyPlace());
  82         GameView::instance()->setEmptyPlace(tmp);
  83         event->accept();
  84
  85         moveCount_++;
  86
  87         // If piece is in its place check if we won the game
  88         bool won = false;
  89         if(currentPlace() == correctPlace()) {
  90             won = GameView::instance()->areAllPiecesOk();
  91         }
  92
  93         // if we didn't win set pieces that can be moved
  94         if(!won) {
  95             GameView::instance()->setMovingPieces();
  96         }
  97     }
  98     else {
  99         event->ignore();
 100     }
 101 }
 102
 103 void PuzzleItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 104 {
 105     event->ignore();
 106 }
 107
 108 int PuzzleItem::moveCount()
 109 {
 110     return moveCount_;
 111 }
 112
 113 void PuzzleItem::resetMoveCount()
 114 {
 115     moveCount_ = 0;
 116 }
 117
 118 void PuzzleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
 119 {
 120     QGraphicsPixmapItem::paint(painter, option, widget);
 121
 122     if(drawNumber_) {
 123         painter->save();
 124
 125         QFont font = painter->font();
 126         QFontMetrics metrics(font);
 127         QRect numberRect(0, 0, metrics.height(), metrics.height());
 128
 129         painter->setPen(Qt::NoPen);
 130
 131         painter->setBrush(QColor(255, 255, 255, 192));
 132         painter->drawRect(numberRect);
 133
 134         painter->setPen(Qt::black);
 135
 136         QTextOption textOption;
 137         textOption.setAlignment(Qt::AlignCenter);
 138
 139         painter->drawText(numberRect, QString::number(pieceNumber_), textOption);
 140
 141         painter->restore();
 142     }
 143 }
 144
 145 int PuzzleItem::pieceNumber() const
 146 {
 147     return pieceNumber_;
 148 }
 149
 150 void PuzzleItem::setPieceNumber(const int pieceNumber)
 151 {
 152     pieceNumber_ = pieceNumber;
 153 }
 154
 155 void PuzzleItem::setDrawNumber(bool value)
 156 {
 157     if(value != drawNumber_) {
 158         drawNumber_ = value;
 159         update();
 160     }
 161 }
 162
 163 bool PuzzleItem::drawNumber() const
 164 {
 165     return drawNumber_;
 166 }
 167
 168 void PuzzleItem::setMoveCount(int count)
 169 {
 170     moveCount_ = count;
 171 }