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/*
Copyright 2007 Dmitry Suzdalev <dimsuz@gmail.com>
Copyright 2010 Brian Croom <brian.s.croom@gmail.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
*/
#ifndef CELLITEM_H
#define CELLITEM_H
#include <KGameRenderedItem>
#include "commondefs.h"
class KGameRenderer;
/**
* Graphics item representing single cell on
* the game field.
* Handles clicks, emits signals when something important happens :)
*/
class CellItem : public KGameRenderedItem
{
public:
CellItem(KGameRenderer* renderer, QGraphicsItem* parent);
/**
* Updates item pixmap according to its current
* state and properties
*/
void updatePixmap();
/**
* Reimplemented to pass the call on to any child items as well
*/
void setRenderSize(const QSize &renderSize);
// FIXME: will it EVER be needed to setHasMine(false)???
/**
* Sets whether this item holds mine or not
*/
void setHasMine(bool hasMine) { m_hasMine = hasMine; }
/**
* @return whether this item holds mine
*/
bool hasMine() const { return m_hasMine; }
/**
* Sets this item so it holds a digit
*
* @param digit digit number (1 to 8)
*/
void setDigit(int digit) { m_digit = digit; updatePixmap(); }
/**
* @return digit this item holds or 0 if none
*/
int digit() const { return m_digit; }
/**
* Shows what this item hides :)
* Can be a bomb, a digit, an empty square
*/
void reveal();
/**
* Hides what this item shows ;).
* I.e. resets revealed state
*/
void unreveal() { m_state = KMinesState::Released; updatePixmap(); }
/**
* @return whether this cell is revealed
*/
bool isRevealed() const { return ( m_state == KMinesState::Revealed || m_state == KMinesState::Error); }
/**
* @return whether this cell is marked with flag
*/
bool isFlagged() const { return m_state == KMinesState::Flagged; }
/**
* @return whether this cell is marked with question
*/
bool isQuestioned() const { return m_state == KMinesState::Questioned; }
/**
* @return whether this cell is exploded
*/
bool isExploded() const { return m_exploded; }
/**
* Resets all properties & state of an item to default ones
*/
void reset();
// TODO docs
void press();
void release(bool force=false);
void undoPress();
void mark();
// enable use of qgraphicsitem_cast
enum { Type = UserType + 1 };
virtual int type() const { return Type; }
signals:
/**
* Emitted when this item is revealed with mouse click
*/
void revealed();
/**
* Emitted when flag (not question mark) is set or unset on this item
* New flagged state can be retrieved via isFlagged()
*/
void flaggedStateChanged();
private:
static QHash<int, QString> s_digitNames;
static QHash<KMinesState::CellState, QList<QString> > s_stateNames;
static void fillNameHashes();
/**
* Current state of this item
*/
KMinesState::CellState m_state;
/**
* True if this item holds mine
*/
bool m_hasMine;
/**
* True if mine is exploded
*/
bool m_exploded;
/**
* Specifies a digit this item holds. 0 if none
*/
int m_digit;
/**
* Add a child object to display an overlayed pixmap
*/
void addOverlay(const QString& spriteKey);
};
#endif
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