finalcut/include/final/ftextview.h

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/************************************************************************
* ftextview.h - Widget FTextView (a multiline text viewer) *
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2014-2017 Markus Gans *
* *
* The Final Cut 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. *
* *
* The Final Cut 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/>. *
************************************************************************/
/* Inheritance diagram
*
*
*
* FObject FTerm
*
*
*
*
*
*
* FVTerm
*
*
*
*
* FWidget
*
*
*
*
* FTextView
*
*/
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#ifndef FTEXTVIEW_H
#define FTEXTVIEW_H
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#include <vector>
#include "final/fapplication.h"
#include "final/fscrollbar.h"
#include "final/fstatusbar.h"
#include "final/fstring.h"
#include "final/fwidget.h"
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//----------------------------------------------------------------------
// class FTextView
//----------------------------------------------------------------------
#pragma pack(push)
#pragma pack(1)
class FTextView : public FWidget
{
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public:
// Using-declarations
using FWidget::setGeometry;
// Constructor
explicit FTextView (FWidget* = 0);
// Destructor
~FTextView();
// Accessors
const char* getClassName() const;
uInt getColumns() const;
uInt getRows() const;
const FString getText() const;
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const FStringList& getLines() const;
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// Mutators
void setGeometry (int, int, int, int, bool = true);
void setPosition (int);
void setText (const FString&);
// Methods
void hide();
void append (const FString&);
void insert (const FString&, int);
void replaceRange (const FString&, int, int);
void deleteRange (int, int);
void deleteLine (int);
void clear();
// Event handlers
void onKeyPress (FKeyEvent*);
void onMouseDown (FMouseEvent*);
void onMouseUp (FMouseEvent*);
void onMouseMove (FMouseEvent*);
void onWheel (FWheelEvent*);
void onFocusIn (FFocusEvent*);
void onFocusOut (FFocusEvent*);
protected:
// Method
void adjustSize();
private:
// Disable copy constructor
FTextView (const FTextView&);
// Disable assignment operator (=)
FTextView& operator = (const FTextView&);
// Methods
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void init();
void draw();
void drawText();
void processChanged();
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// Callback methods
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void cb_VBarChange (FWidget*, data_ptr);
void cb_HBarChange (FWidget*, data_ptr);
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// Data Members
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FStringList data;
FScrollbar* vbar;
FScrollbar* hbar;
int xoffset;
int yoffset;
int nf_offset;
uInt maxLineWidth;
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};
#pragma pack(pop)
// FListBox inline functions
//----------------------------------------------------------------------
inline const char* FTextView::getClassName() const
{ return "FTextView"; }
//----------------------------------------------------------------------
inline uInt FTextView::getColumns() const
{ return maxLineWidth; }
//----------------------------------------------------------------------
inline uInt FTextView::getRows() const
{ return uInt(data.size()); }
//----------------------------------------------------------------------
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inline const FStringList& FTextView::getLines() const
{ return data; }
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//----------------------------------------------------------------------
inline void FTextView::deleteRange (int from, int to)
{ replaceRange (FString(), from, to); }
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//----------------------------------------------------------------------
inline void FTextView::deleteLine (int pos)
{ deleteRange (pos, pos); }
#endif // FTEXTVIEW_H