Stefano Ceccherini
5302d71190
Marc Flerackers lend me a hand and now alignments should work much better (if not perfectly) Some cleanups. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9119 a95241bf-73f2-0310-859d-f6bbb57e9c96
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
//------------------------------------------------------------------------------
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// Copyright (c) 2001-2004, Haiku, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: LineBuffer.h
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// Author: Marc Flerackers ([email protected])
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// Description: Line storage used by BTextView
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//------------------------------------------------------------------------------
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#include <SupportDefs.h>
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#include "TextViewSupportBuffer.h"
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typedef struct STELine {
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long offset; // offset of first character of line
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float origin; // pixel position of top of line
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float ascent; // maximum ascent for line
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} STELine, *STELinePtr;
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// _BLineBuffer_ class ---------------------------------------------------------
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class _BLineBuffer_ : public _BTextViewSupportBuffer_<STELine> {
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public:
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_BLineBuffer_();
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virtual ~_BLineBuffer_();
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void InsertLine(STELine *inLine, int32 index);
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void RemoveLines(int32 index, int32 count = 1);
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void RemoveLineRange(int32 fromOffset, int32 toOffset);
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int32 OffsetToLine(int32 offset) const;
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int32 PixelToLine(float pixel) const;
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void BumpOrigin(float delta, int32 index);
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void BumpOffset(int32 delta, int32 index);
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long NumLines() const;
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const STELinePtr operator[](int32 index) const;
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};
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inline int32
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_BLineBuffer_::NumLines() const
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{
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return fItemCount - 1;
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}
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inline const STELinePtr
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_BLineBuffer_::operator[](int32 index) const
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{
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return &fBuffer[index];
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}
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/*
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* $Log $
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*
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* $Id $
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*
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*/
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