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/*
* The Mana Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2012 The Mana Developers
*
* This file is part of The Mana Client.
*
* 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
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef TEXTFIELD_H
#define TEXTFIELD_H
#include <guichan/widgets/textfield.hpp>
#include <vector>
class TextInput;
class ImageRect;
class TextField;
typedef std::list<std::string> TextHistoryList;
typedef TextHistoryList::iterator TextHistoryIterator;
struct TextHistory {
TextHistoryList history; /**< Command history. */
TextHistoryIterator current; /**< History iterator. */
TextHistory()
{ current = history.end(); }
bool empty() const
{ return history.empty(); }
bool atBegining() const
{ return current == history.begin(); }
bool atEnd() const
{ return current == history.end(); }
void toBegining()
{ current = history.begin(); }
void toEnd()
{ current = history.end(); }
void addEntry(const std::string &text)
{ history.push_back(text); }
bool matchesLastEntry(const std::string &text)
{ return history.back() == text; }
};
class AutoCompleteLister {
public:
virtual ~AutoCompleteLister() {}
virtual void getAutoCompleteList(std::vector<std::string>&) const {}
};
/**
* A text field.
*
* \ingroup GUI
*/
class TextField : public gcn::TextField
{
public:
/**
* Constructor, initializes the text field with the given string.
*/
TextField(const std::string &text = "", bool loseFocusOnTab = true);
~TextField();
/**
* Draws the text field.
*/
virtual void draw(gcn::Graphics *graphics);
/**
* Update the alpha value to the graphic components.
*/
void updateAlpha();
/**
* Draws the background and border.
*/
void drawFrame(gcn::Graphics *graphics);
/**
* Determine whether the field should be numeric or not
*/
void setNumeric(bool numeric);
/**
* Set the range on the field if it is numeric
*/
void setRange(int min, int max)
{
mMinimum = min;
mMaximum = max;
}
/**
* Processes one keypress.
*/
void keyPressed(gcn::KeyEvent &keyEvent);
/**
* Handle text input (should possibly be new event in Guichan).
*/
void textInput(const TextInput &textInput);
/**
* Set the minimum value for a range
*/
void setMinimum(int min) { mMinimum = min; }
/**
* Set the maximum value for a range
*/
void setMaximum(int max) { mMaximum = max; }
/**
* Return the value for a numeric field
*/
int getValue() const;
/**
* Sets the TextField's source of autocomplete. Passing null will
* disable autocomplete.
*/
void setAutoComplete(AutoCompleteLister *lister)
{ mAutoComplete = lister; }
/**
* Returns the TextField's source of autocomplete.
*/
AutoCompleteLister *getAutoComplete() const
{ return mAutoComplete; }
/**
* Sets the TextField's source of input history.
*/
void setHistory(TextHistory *history)
{ mHistory = history; }
/**
* Returns the TextField's source of input history.
*/
TextHistory *getHistory() const
{ return mHistory; }
private:
void autoComplete();
void handlePaste();
static int instances;
static float mAlpha;
static ImageRect skin;
bool mNumeric;
int mMinimum;
int mMaximum;
bool mLoseFocusOnTab;
AutoCompleteLister *mAutoComplete;
TextHistory *mHistory; /**< Text history. */
};
#endif
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