84 lines
1.3 KiB
C++
84 lines
1.3 KiB
C++
/*
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* Copyright 2013, Ingo Weinhold, ingo_weinhold@gmx.de.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef TERMVIEW_HIGHLIGHT_H
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#define TERMVIEW_HIGHLIGHT_H
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#include <GraphicsDefs.h>
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#include "TermPos.h"
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class TermViewHighlighter {
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public:
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virtual ~TermViewHighlighter();
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virtual rgb_color ForegroundColor() = 0;
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virtual rgb_color BackgroundColor() = 0;
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virtual uint32 AdjustTextAttributes(uint32 attributes);
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};
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class TermViewHighlight {
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public:
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TermViewHighlight()
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:
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fHighlighter(NULL),
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fStart(-1, -1),
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fEnd(-1, -1)
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{
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}
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TermViewHighlighter* Highlighter() const
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{
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return fHighlighter;
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}
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void SetHighlighter(TermViewHighlighter* highligher)
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{
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fHighlighter = highligher;
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}
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const TermPos& Start() const
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{
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return fStart;
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}
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const TermPos& End() const
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{
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return fEnd;
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}
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bool IsEmpty() const
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{
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return fStart == fEnd;
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}
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bool RangeContains(const TermPos& pos) const
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{
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return pos >= fStart && pos < fEnd;
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}
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void SetRange(const TermPos& start, const TermPos& end)
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{
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fStart = start;
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fEnd = end;
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}
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void ScrollRange(int32 byLines)
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{
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fStart.y -= byLines;
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fEnd.y -= byLines;
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}
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private:
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TermViewHighlighter* fHighlighter;
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TermPos fStart;
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TermPos fEnd;
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};
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#endif // TERMVIEW_HIGHLIGHT_H
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