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/*
* Copyright 2010 Mihai Niculescu <q.quark@gmail.com>
*
* This file is part of EqualX Project (https://launchpad.net/equalx/)
*
* EqualX 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.
*
* EqualX 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 LATEXEDITOR_H
#define LATEXEDITOR_H
#include <QPlainTextEdit>
#include "HLSelections.h"
class QCompleter;
class QAbstractItemModel;
class LatexHighlighter;
class LatexEditor;
// class to have Line Number in LatexEditor
class LatexEditorLineNumberArea : public QWidget
{
public:
LatexEditorLineNumberArea(LatexEditor *editor);
QSize sizeHint() const;
protected:
void paintEvent(QPaintEvent *event);
private:
LatexEditor *codeEditor;
};
class LatexEditor : public QPlainTextEdit
{
Q_OBJECT
public:
LatexEditor(QWidget *parent = 0);
~LatexEditor();
HLSelections getSelections() const;
void lineNumberAreaPaintEvent(QPaintEvent *event);
int lineNumberAreaWidth();
void setHighLighting(bool activeHL=true);
void setCompletion(bool activeCompletion=true);
void setCompletionSensitive(bool caseSensitive=true);
void setCompleter(QCompleter *c);
void setModel(QAbstractItemModel *model);
QCompleter *completer() const;
QString selectedText() const;
void selectLines(const QMap<int,QString> &errorsMap); // highlight these lines
public slots:
void clearSelections();// clear highlight of multiple find occurances
void setMinCharMatch(int n) { minCompletionChars = n; } // set minimum of chars to match for completion
void setStartCountingBlocks(int n); // start counting lineNumberArea from this
bool find(const QString &expr, QTextDocument::FindFlags flags);
bool findAll(const QString &expr, QTextDocument::FindFlags flags);
bool findNext();
bool findPrevious();
void replace(const QString &expr); // replace current cursor selection with expr
void replaceAll(const QString &expr);// replace All Selections with expr
protected:
void keyPressEvent(QKeyEvent *e);
void focusInEvent(QFocusEvent *e);
QString textUnderCursor() const;
void resizeEvent(QResizeEvent *event);
void mousePressEvent(QMouseEvent *e);
private slots:
void insertCompletion(const QString &completion);
void updateLineNumberAreaWidth(int newBlockCount);
void updateLineNumberArea(const QRect &, int);
private:
QAbstractItemModel *modelFromFile(const QString& fileName);
LatexHighlighter *highlighter;
QCompleter *c;
int minCompletionChars;
bool m_activeCompletion;
// last find Expression & last find Flags
HLSelections hlSelections; // highlight Selections
QString findExpr;
QTextDocument::FindFlags findFlags;
QWidget *lineNumberArea;
int lineNumberAreaStartCount; // start counting lines from this number
QPixmap* pixError;
QMap<int,QString> errors;
};
#endif // LATEXEDITOR_H
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