eliot/qt/play_word_mediator.h
2013-09-25 22:23:01 +02:00

121 lines
3.5 KiB
C++

/*****************************************************************************
* Eliot
* Copyright (C) 2009-2012 Olivier Teulière
* Authors: Olivier Teulière <ipkiss @@ 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*****************************************************************************/
#ifndef PLAY_WORD_MEDIATOR_H_
#define PLAY_WORD_MEDIATOR_H_
#include <string>
#include <QValidator>
#include <QPalette>
#include "logging.h"
using std::wstring;
class QLineEdit;
class QPushButton;
class PublicGame;
class Coord;
class PlayModel;
class Dictionary;
/**
* Mediator handling the connections between the controls used to play a word.
* The controls are:
* - a QLineEdit for the played word
* - a QLineEdit for the coordinates
* - a Play button to really play the word
*
* All the logic between these controls is handled by the mediator, as long as
* it is alive (same lifetime as the controls themselves).
* Note: this class is not a graphical widget, because it would cause problems
* to place the controls exactly where wanted in the QGridLayout of the
* PlayerWidget class...
*/
class PlayWordMediator: public QObject
{
Q_OBJECT;
DEFINE_LOGGER();
public:
PlayWordMediator(QObject *parent, QLineEdit &iEditWord,
QLineEdit &iEditCoord, QLineEdit *iEditPoints,
QPushButton &iButtonPlay,
PlayModel &iPlayModel, PublicGame *iGame);
/**
* Set the focus on the editWord QLineEdit, unless the focus
* is already on the editCoord one.
*/
void setCleverFocus();
/**
* Set tooltips on the given widgets, to help
* the user know how to enter a word.
*/
static void SetTooltips(QLineEdit &iEditWord, QLineEdit &iEditCoord);
/**
* Return the word entered in the given line edit, and convert it
* to the internal format.
* If the result is false, the conversion failed, and an error message
* can be found in *oProblemCause.
*/
static bool GetPlayedWord(QLineEdit &iEditWord,
const Dictionary &iDic,
wstring *oPlayedWord,
QString *oProblemCause);
signals:
void gameUpdated();
void notifyProblem(QString iMsg);
private slots:
void playWord();
void updatePointsAndState();
void onCoordChanged();
void onWordChanged();
void updateCoord(const Coord &iNewCoord);
private:
PublicGame *m_game;
QLineEdit &m_lineEditPlay;
QLineEdit &m_lineEditCoord;
QLineEdit *m_lineEditPoints;
QPushButton &m_pushButtonPlay;
PlayModel &m_playModel;
/// Palette to write text in black
QPalette blackPalette;
/// Palette to write text in red
QPalette redPalette;
/**
* Wrapper around GetPlayedWord(), more practical to use.
* But it should be called only for a valid input!
*/
wstring getWord();
};
#endif