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// -*- c++ -*-
//
// $Id: inputwidget.h 2719 2009-08-20 01:30:25Z rafi $
//
// Copyright (C) 2008, 2009 Rafael Ostertag
//
// This file is part of YAPET.
//
// YAPET 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 3 of the License, or (at your option) any later
// version.
//
// YAPET 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
// YAPET. If not, see <http://www.gnu.org/licenses/>.
//
#ifndef _INPUTWIDGET_H
#define _INPUTWIDGET_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_NCURSES_H
# include <ncurses.h>
#else // HAVE_NCURSES_H
# ifdef HAVE_CURSES_H
# include <curses.h>
# else
# error "Neither curses.h nor ncurses.h available"
# endif // HAVE_CURSES_H
#endif // HAVE_NCURSES_H
#include "curswa.h" // Leave this here. It depends on the above includes.
#ifdef HAVE_STRING
# include <string>
#endif
#include "uiexception.h"
#include "secstring.h"
namespace YAPET {
namespace UI {
/**
* @brief A widget where text can be entered.
*
* A single line widget where text can be entered. The text
* entered can be obtained by calling \c getText().
*
* The text is stored in a \c secstring.
*
* To activate the widget, call \c focus().
*
* @sa secstring
*/
class InputWidget {
private:
WINDOW* window;
secstring buffer;
int max_length;
int start_pos;
int pos;
int width;
bool text_changed;
inline InputWidget (const InputWidget&) {}
inline const InputWidget& operator= (const InputWidget&) {
return *this;
}
void moveBackward() throw (UIException);
void moveForward() throw (UIException);
void moveHome() throw (UIException);
void moveEnd() throw (UIException);
protected:
virtual void processBackspace() throw (UIException);
virtual void processDelete() throw (UIException);
virtual void processInput (int ch) throw (UIException);
virtual void createWindow (int sx, int sy, int w) throw (UIException);
virtual inline const WINDOW* getWindow() const {
return window;
}
virtual inline WINDOW* getWindow() {
return window;
}
virtual inline int getStartPos() const {
return start_pos;
}
virtual inline int getPos() const {
return pos;
}
virtual inline int getWidth() const {
return width;
}
virtual inline secstring& getBuffer() {
return buffer;
}
virtual inline const secstring& getBuffer() const {
return buffer;
}
public:
InputWidget (int sx, int sy, int w, int ml = 512) throw (UIException);
virtual ~InputWidget();
virtual int focus() throw (UIException);
virtual void refresh() throw (UIException);
virtual void resize (int sx, int sy, int w) throw (UIException);
virtual void setText (secstring t) throw (UIException);
virtual inline secstring getText() const {
return buffer;
}
virtual void clearText();
/**
* setText() does not change that flag, so we can tank
* inputwidgets with data, without having to fear to ask the
* user whether or not to save changes by mistake.
*/
inline void setTextChanged (bool b) {
text_changed = b;
}
inline bool isTextChanged() const {
return text_changed;
}
inline bool hasText() const {
return !buffer.empty();
}
};
}
}
#endif // _INPUTWIDGET_H
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