91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*
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* Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
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*
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* This program 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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* This program 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 <https://www.gnu.org/licenses/>.
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*/
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#ifndef TEXTPAINTER_H
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#define TEXTPAINTER_H
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#include <QColor>
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#include <QPainter>
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#include <QString>
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#include "Types.h"
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#include "highlighter/base.h"
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#include "../utils.h"
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#include "MiscClasses.h"
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class SynEdit;
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class SynEditTextPainter
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{
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struct SynTokenAccu {
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int Columns;
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int ColumnsBefore;
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QString s;
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QColor FG;
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QColor BG;
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SynFontStyles Style;
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};
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public:
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SynEditTextPainter(SynEdit * edit,QPainter* painter,int FirstRow, int LastRow,
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int FirstCol, int LastCol);
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void paintTextLines(const QRect& clip);
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void paintGutter(const QRect& clip);
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private:
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QColor colEditorBG();
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void ComputeSelectionInfo();
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void setDrawingColors(bool Selected);
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int ColumnToXValue(int Col);
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void PaintToken(const QString& Token, int TokenLen, int ColumnsBefore,
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int First, int Last, bool isSelection, const QFont& font,
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const QFont& fontForNonAscii);
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void PaintEditAreas(const SynEditingAreaList& areaList);
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void PaintHighlightToken(bool bFillToEOL);
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bool TokenIsSpaces(bool& bSpacesTest, const QString& Token, bool& bIsSpaces);
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void AddHighlightToken(const QString& Token, int ColumnsBefore, int TokenColumns,
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int cLine, PSynHighlighterAttribute p_Attri);
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void PaintFoldAttributes();
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void GetBraceColorAttr(int level, PSynHighlighterAttribute &attr);
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void PaintLines();
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private:
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SynEdit* edit;
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QPainter* painter;
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bool bDoRightEdge; // right edge
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int nRightEdge;
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// selection info
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bool bAnySelection; // any selection visible?
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DisplayCoord vSelStart; // start of selected area
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DisplayCoord vSelEnd; // end of selected area
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// info about normal and selected text and background colors
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bool bSpecialLine, bLineSelected, bCurrentLine;
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QColor colFG, colBG;
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QColor colSelFG, colSelBG;
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QColor colSpFG, colSpBG;
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// info about selection of the current line
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int nLineSelStart, nLineSelEnd;
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bool bComplexLine;
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// painting the background and the text
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QRect rcLine, rcToken;
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int vFirstLine, vLastLine;
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QRect AClip;
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int aFirstRow, aLastRow, FirstCol, LastCol;
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SynTokenAccu TokenAccu;
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};
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#endif // TEXTPAINTER_H
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