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107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
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/**
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* \file rowpainter.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author various
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* \author John Levon
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*
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* Full author contact details are available in file CREDITS
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*/
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#ifndef ROWPAINTER_H
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#define ROWPAINTER_H
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#include <config.h>
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#include "LString.h"
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#include "support/types.h"
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class LyXText;
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class BufferView;
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class Row;
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class Paragraph;
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class Painter;
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class LyXFont;
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class VSpace;
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/**
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* A class used for painting an individual row of text.
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*/
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class RowPainter {
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public:
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/// initialise painter
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RowPainter(BufferView const & bv, LyXText const & text, Row const & row);
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/// paint the row. Returns true if CHANGED_IN_DRAW (e.g. image was loaded)
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bool paint(int y_offset, int x_offset, int y, bool cleared = false);
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private:
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// paint various parts
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bool paintBackground();
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void paintSelection();
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void paintAppendix();
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void paintDepthBar();
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void paintChangeBar();
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void paintFirst();
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void paintLast();
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void paintForeignMark(float const orig_x, LyXFont const & orig_font);
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void paintHebrewComposeChar(lyx::pos_type & vpos);
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void paintArabicComposeChar(lyx::pos_type & vpos);
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void paintChars(lyx::pos_type & vpos, bool hebrew, bool arabic);
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int paintPageBreak(string const & label, int y);
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int paintLengthMarker(string const & prefix, VSpace const & vsp, int start);
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/// returns true when CHANGED_IN_DRAW
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bool paintText();
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/// returns true when CHANGED_IN_DRAW
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bool paintFromPos(lyx::pos_type & vpos);
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/// returns true when CHANGED_IN_DRAW
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bool paintInset(lyx::pos_type const pos);
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/// return left margin
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int leftMargin() const;
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/// return the font at the given pos
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LyXFont const getFont(lyx::pos_type pos) const;
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/// return the label font for this row
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LyXFont const getLabelFont() const;
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char const transformChar(char c, lyx::pos_type pos) const;
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/// return pixel width for the given pos
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int singleWidth(lyx::pos_type pos) const;
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int singleWidth(lyx::pos_type pos, char c) const;
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/// bufferview to paint on
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BufferView const & bv_;
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/// Painter to use
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Painter & pain_;
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/// LyXText for the row
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LyXText const & text_;
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/// The row to paint
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Row const & row_;
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/// Row's paragraph
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Paragraph const & par_;
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// Looks ugly - is
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int xo_;
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int yo_;
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float x_;
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int y_;
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bool cleared_;
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int width_;
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float separator_;
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float hfill_;
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float label_hfill_;
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};
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/// return the pixel height of a space marker before/after a par
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int getLengthMarkerHeight(BufferView const & bv, VSpace const & vsp);
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#endif // ROWPAINTER_H
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