TextEditChecker_p.hpp

/* QtSpell - Spell checking for Qt text widgets.
 * Copyright (c) 2014 Sandro Mani
 *
 *    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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef QTSPELL_TEXTEDITCHECKER_P_HPP
#define QTSPELL_TEXTEDITCHECKER_P_HPP
 
#include <QTextCursor>
 
class QMenu;
 
namespace QtSpell {
 
class TextCursor : public QTextCursor
{
public:
        TextCursor()
                : QTextCursor(), m_wordRegEx(QRegExp("^\\w$")) {}
        TextCursor(QTextDocument* document)
                : QTextCursor(document), m_wordRegEx(QRegExp("^\\w$")) {}
        TextCursor(const QTextBlock& block)
                : QTextCursor(block), m_wordRegEx(QRegExp("^\\w$")) {}
        TextCursor(const QTextCursor& cursor)
                : QTextCursor(cursor), m_wordRegEx(QRegExp("^\\w$")) {}
 
        QString nextChar(int num = 1) const;
 
        QString prevChar(int num = 1) const;
 
        void moveWordStart(MoveMode moveMode = MoveAnchor);
 
        void moveWordEnd(MoveMode moveMode = MoveAnchor);
 
        bool isInsideWord() const{
                return nextChar().contains(m_wordRegEx) || prevChar().contains(m_wordRegEx);
        }
 
        bool isWordChar(const QString& character) const{
                return character.contains(m_wordRegEx);
        }
 
private:
        QRegExp m_wordRegEx;
};
 
 
class TextEditProxy {
public:
        virtual ~TextEditProxy(){}
        virtual QTextCursor textCursor() const = 0;
        virtual QTextDocument* document() const = 0;
        virtual QPoint mapToGlobal(const QPoint& pos) const = 0;
        virtual QMenu* createStandardContextMenu() = 0;
        virtual QTextCursor cursorForPosition(const QPoint& pos) const = 0;
        virtual void setContextMenuPolicy(Qt::ContextMenuPolicy policy) = 0;
        virtual void setTextCursor(const QTextCursor& cursor) = 0;
        virtual Qt::ContextMenuPolicy contextMenuPolicy() const = 0;
        virtual void installEventFilter(QObject* filterObj) = 0;
        virtual void removeEventFilter(QObject* filterObj) = 0;
        virtual void ensureCursorVisible() = 0;
        virtual QObject* object() = 0;
};
 
template<class T>
class TextEditProxyT : public TextEditProxy {
public:
        TextEditProxyT(T* textEdit) : m_textEdit(textEdit) {}
        QTextCursor textCursor() const{ return m_textEdit->textCursor(); }
        QTextDocument* document() const{ return m_textEdit->document(); }
        QPoint mapToGlobal(const QPoint& pos) const{ return m_textEdit->mapToGlobal(pos); }
        QMenu* createStandardContextMenu(){ return m_textEdit->createStandardContextMenu(); }
        QTextCursor cursorForPosition(const QPoint& pos) const{ return m_textEdit->cursorForPosition(pos); }
        void setContextMenuPolicy(Qt::ContextMenuPolicy policy){ m_textEdit->setContextMenuPolicy(policy); }
        void setTextCursor(const QTextCursor& cursor){ m_textEdit->setTextCursor(cursor); }
        Qt::ContextMenuPolicy contextMenuPolicy() const{ return m_textEdit->contextMenuPolicy(); }
        void installEventFilter(QObject* filterObj){ m_textEdit->installEventFilter(filterObj); }
        void removeEventFilter(QObject* filterObj){ m_textEdit->removeEventFilter(filterObj); }
        void ensureCursorVisible() { m_textEdit->ensureCursorVisible(); }
        QObject* object(){ return m_textEdit; }
 
private:
        T* m_textEdit;
};
 
} // QtSpell
 
#endif // QTSPELL_TEXTEDITCHECKER_P_HPP