codeeditor.h

/*
*
* $LastChangedDate: 2014-11-03 14:00:00 -0500 (Mon, 03 Nov 2014) $
*   $LastChangedBy: ed $
*        $Revision: 174 $
*          $Author: ed $
*             $URL: svn+ssh://svn.vremsoft.com/var/share/svn/tags/platfom3.4.3/platformglib/codeeditor.h $
*              $Id: codeeditor.h 174 2014-11-03 19:00:00Z ed $
*           edc@vremsoft.com
*
*       19
*
*             *** 2014<c> ***
*
*
*/
#ifndef CODEEDITOR_H
#define CODEEDITOR_H
 
#include <QPlainTextEdit>
#include <QTextEdit>
#include <QObject>
#include "platformg_global.h"
 
QT_BEGIN_NAMESPACE
class QPaintEvent;
class QResizeEvent;
class QSize;
class QWidget;
QT_END_NAMESPACE
 
class LineNumberArea;
 
 
class PLATFORMGSHARED_EXPORT CodeEditor : public QPlainTextEdit
{
    Q_OBJECT
 
public:
    CodeEditor(QWidget *parent = 0);
    virtual ~CodeEditor();
 
    void lineNumberAreaPaintEvent(QPaintEvent *event);
    int lineNumberAreaWidth();
    int getLineNumber(void);
    int bumpTo( int lineNo);
    QHash<int,int> bpHighlights;
 
 
 
protected:
    void resizeEvent(QResizeEvent *event);
 
public slots:
    void gotoLine( int lineNo);
 
private slots:
    void updateLineNumberAreaWidth(int newBlockCount);
    void highlightCurrentLine();
    void updateLineNumberArea(const QRect &, int);
    void updateBreakpoints(QHash<int,int> bp)
    {
        bpHighlights = bp;
        repaint();
 
    }
 
 
private:
    QWidget *lineNumberArea;
};
 
 
class LineNumberArea : public QWidget
{
public:
    LineNumberArea(CodeEditor *editor) : QWidget(editor)
    {
        codeEditor = editor;
    }
 
    QSize sizeHint() const {
        return QSize(codeEditor->lineNumberAreaWidth(), 0);
    }
 
protected:
    void paintEvent(QPaintEvent *event)
    {
        codeEditor->lineNumberAreaPaintEvent(event);
    }
 
private:
    CodeEditor *codeEditor;
};
 
 
#endif