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/***************************************************************************
* Copyright (C) 2005-09 by the Quassel Project *
* devel@quassel-irc.org *
* *
* 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) version 3. *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef MULTILINEEDIT_H_
#define MULTILINEEDIT_H_
#include <QKeyEvent>
#include <QHash>
#include <QTextEdit>
#ifdef HAVE_KDE
# include <KDE/KTextEdit>
#endif
class QKeyEvent;
class TabCompleter;
class MultiLineEdit : public
#ifdef HAVE_KDE
KTextEdit
#else
QTextEdit
#endif
{
Q_OBJECT
public:
enum Mode {
SingleLine,
MultiLine
};
MultiLineEdit(QWidget *parent = 0);
~MultiLineEdit();
void setCustomFont(const QFont &); // should be used instead setFont(), so we can set our size correctly
// Compatibility methods with the rest of the classes which still expect this to be a QLineEdit
inline QString text() { return toPlainText(); }
inline int cursorPosition() { return textCursor().position(); }
inline void insert(const QString &newText) { insertPlainText(newText); }
inline void backspace() { keyPressEvent(new QKeyEvent(QEvent::KeyPress, Qt::Key_Backspace, Qt::NoModifier)); }
inline bool hasSelectedText() { return textCursor().hasSelection(); }
inline bool isSingleLine() const { return _singleLine; }
inline bool pasteProtectionEnabled() const { return _pasteProtectionEnabled; }
virtual QSize sizeHint() const;
virtual QSize minimumSizeHint() const;
public slots:
void setMode(Mode mode);
void setMinHeight(int numLines);
void setMaxHeight(int numLines);
void setScrollBarsEnabled(bool enable = true);
void setSpellCheckEnabled(bool enable = true);
void setPasteProtectionEnabled(bool enable = true, QWidget *msgBoxParent = 0);
// Note: Enabling wrap will make isSingleLine() not work correctly, so only use this if minHeight() > 1!
void setWordWrapEnabled(bool enable = true);
signals:
void textEntered(const QString &text);
void noTextEntered();
protected:
virtual void keyPressEvent(QKeyEvent * event);
virtual void resizeEvent(QResizeEvent *event);
private slots:
void on_returnPressed();
void on_returnPressed(const QString &text);
void on_textChanged();
void on_documentHeightChanged(qreal height);
bool addToHistory(const QString &text, bool temporary = false);
void historyMoveForward();
void historyMoveBack();
private:
QStringList history;
QHash<int, QString> tempHistory;
qint32 idx;
Mode _mode;
bool _singleLine;
int _minHeight;
int _maxHeight;
bool _scrollBarsEnabled;
bool _pasteProtectionEnabled;
QSize _sizeHint;
qreal _lastDocumentHeight;
void reset();
void showHistoryEntry();
void updateScrollBars();
void updateSizeHint();
};
#endif
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