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/***************************************************************************
* ktouchkeyboardwidget.h *
* ---------------------- *
* Copyright (C) 2000 by Håvard Frøiland, 2004 by Andreas Nicolai *
* haavard@users.sourceforge.net *
* *
* 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. *
***************************************************************************/
#ifndef KTOUCHKEYBOARDWIDGET_H
#define KTOUCHKEYBOARDWIDGET_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <tqwidget.h>
#include <tqvaluevector.h>
#include <tqmap.h>
#include "ktouchkeys.h"
#include "ktouchkey.h" // new class
#include "ktouchkeyconnector.h" // new class
class KURL;
/** This is the keyboard widget at the bottom of the training screen.
* In addition to the painting functions this class has the member
* functions loadKeyboard() and saveKeyboard() which can read and write
* a keyboard tqlayout from/into a file.<p>
* The keyboard is drawn in the paintEvent() member function. The
* resizing, that means the recalculation of m_shift is
* done in the resizeEvent() member function.<p>
* The state of keyboard and keys does not change while it is
* tqrepainted or resized. Only when a new character has been typed
* and the newKey() slot is called the state changes (and thus the
* activated keys and finger key animations etc.)
*/
class KTouchKeyboardWidget : public TQWidget {
Q_OBJECT
public:
/// Constructor
KTouchKeyboardWidget(TQWidget *parent);
/// Reads a keyboard tqlayout from the given URL.
/// The function returns 'true' when the reading was successful or 'false' if not. In this
/// case the optional parameter errorMsg tqcontains the error message.
bool loadKeyboard(TQWidget * window, const KURL& url, TQString* errorMsg=NULL);
/// Saves the keyboard tqlayout to the URL.
void saveKeyboard(TQWidget * window, const KURL& url);
/// Applies preferences to the keyboard tqlayout and the keys.
/// This means that the tqlayout is basically recreated and if the tqlayout type/language
/// changed it will be reloaded.
void applyPreferences(TQWidget * window, bool silent);
public slots:
/// This function displays the next key (or key combination) the user has to press.
void newKey(const TQChar& nextChar);
protected:
/// Draws the keyboard.
void paintEvent(TQPaintEvent *);
/// Resizes (recalculates m_shift and m_scale) and redraws the keyboard.
void resizeEvent(TQResizeEvent *);
private:
/// Does what the name says (create a default keyboard which is a number keypad).
/// This function is needed in case there no keyboard file could be found.
void createDefaultKeyboard();
/// Does the actual reading.
bool readKeyboard(const TQString& fileName, TQString& errorMsg);
/// Assigns the background colours to the normal keys, which have a finger key assigned.
void updateColours();
// *** new data storage classes ***
TQValueVector<KTouchKey> m_keys; ///< The geometrical key data.
TQValueVector<KTouchKeyConnector> m_keyConnections; ///< Contains the character - key associations.
TQMap<unsigned int, int> m_keyMap; ///< Links target keys with finger keys: m_keyMap[target_key] = finger_key
TQMap<unsigned int, unsigned int> m_colorMap; ///< Links finger keys with color indices: m_colorMap[finger_key] = color_index in color scheme
// *** old data storage classes ***
TQPtrList<KTouchBaseKey> m_keyList; ///< The pointer list with base class pointers to the keys.
TQValueList<KTouchKeyConnection> m_connectorList; ///< Contains the character - key associations.
static TQMap<TQChar, int> m_keyCharMap; ///< Links target keys with finger keys: m_keyCharMap[target_key_char] = color_index
int m_keyboardWidth; ///< The width of the keyboard (maximum of the sums of all keywidths in each line).
int m_keyboardHeight; ///< The height of the keyboard (sum of all key row heights).
double m_shift; ///< The horizontal shift for the keyboard.
TQString m_currentLayout; ///< The name of the currently used tqlayout.
TQChar m_nextKey; ///< The next to be pressed character.
bool m_hideKeyboard; ///< If true, the keyboard won't be shown.
};
#endif // KTOUCHKEYBOARDWIDGET_H
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