167 lines
5.6 KiB
C++
167 lines
5.6 KiB
C++
/************************************************************************
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* ftextview.h - Widget FTextView (a multiline text viewer) *
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* *
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* This file is part of the Final Cut widget toolkit *
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* *
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* Copyright 2014-2017 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* The Final Cut is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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************************************************************************/
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/* Inheritance diagram
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* ═══════════════════
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*
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* ▕▔▔▔▔▔▔▔▔▔▏ ▕▔▔▔▔▔▔▔▔▔▏
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* ▕ FObject ▏ ▕ FTerm ▏
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* ▕▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▏
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* ▲ ▲
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* │ │
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* └─────┬─────┘
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* │
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* ▕▔▔▔▔▔▔▔▔▏
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* ▕ FVTerm ▏
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* ▕▁▁▁▁▁▁▁▁▏
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* ▲
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* │
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* ▕▔▔▔▔▔▔▔▔▔▏
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* ▕ FWidget ▏
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* ▕▁▁▁▁▁▁▁▁▁▏
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* ▲
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* │
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* ▕▔▔▔▔▔▔▔▔▔▔▔▏
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* ▕ FTextView ▏
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* ▕▁▁▁▁▁▁▁▁▁▁▁▏
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*/
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#ifndef FTEXTVIEW_H
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#define FTEXTVIEW_H
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#include <vector>
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#include "final/fapplication.h"
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#include "final/fscrollbar.h"
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#include "final/fstatusbar.h"
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#include "final/fstring.h"
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#include "final/fwidget.h"
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//----------------------------------------------------------------------
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// class FTextView
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//----------------------------------------------------------------------
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#pragma pack(push)
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#pragma pack(1)
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class FTextView : public FWidget
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{
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public:
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// Using-declarations
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using FWidget::setGeometry;
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// Constructor
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explicit FTextView (FWidget* = 0);
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// Destructor
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~FTextView();
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// Accessors
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const char* getClassName() const;
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uInt getColumns() const;
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uInt getRows() const;
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const FString getText() const;
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const FStringList& getLines() const;
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// Mutators
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void setGeometry (int, int, int, int, bool = true);
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void setPosition (int);
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void setText (const FString&);
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// Methods
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void hide();
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void append (const FString&);
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void insert (const FString&, int);
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void replaceRange (const FString&, int, int);
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void deleteRange (int, int);
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void deleteLine (int);
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void clear();
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// Event handlers
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void onKeyPress (FKeyEvent*);
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void onMouseDown (FMouseEvent*);
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void onMouseUp (FMouseEvent*);
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void onMouseMove (FMouseEvent*);
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void onWheel (FWheelEvent*);
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void onFocusIn (FFocusEvent*);
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void onFocusOut (FFocusEvent*);
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protected:
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// Method
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void adjustSize();
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private:
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// Disable copy constructor
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FTextView (const FTextView&);
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// Disable assignment operator (=)
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FTextView& operator = (const FTextView&);
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// Methods
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void init();
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void draw();
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void drawText();
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void processChanged();
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// Callback methods
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void cb_VBarChange (FWidget*, data_ptr);
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void cb_HBarChange (FWidget*, data_ptr);
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// Data Members
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FStringList data;
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FScrollbar* vbar;
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FScrollbar* hbar;
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int xoffset;
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int yoffset;
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int nf_offset;
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uInt maxLineWidth;
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};
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#pragma pack(pop)
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// FListBox inline functions
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//----------------------------------------------------------------------
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inline const char* FTextView::getClassName() const
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{ return "FTextView"; }
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//----------------------------------------------------------------------
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inline uInt FTextView::getColumns() const
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{ return maxLineWidth; }
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//----------------------------------------------------------------------
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inline uInt FTextView::getRows() const
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{ return uInt(data.size()); }
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//----------------------------------------------------------------------
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inline const FStringList& FTextView::getLines() const
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{ return data; }
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//----------------------------------------------------------------------
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inline void FTextView::deleteRange (int from, int to)
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{ replaceRange (FString(), from, to); }
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//----------------------------------------------------------------------
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inline void FTextView::deleteLine (int pos)
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{ deleteRange (pos, pos); }
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#endif // FTEXTVIEW_H
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