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Diffstat (limited to 'khtml/rendering/bidi.h')
| -rw-r--r-- | khtml/rendering/bidi.h | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/khtml/rendering/bidi.h b/khtml/rendering/bidi.h deleted file mode 100644 index c8776ce19..000000000 --- a/khtml/rendering/bidi.h +++ /dev/null @@ -1,172 +0,0 @@ -/* - * This file is part of the html renderer for KDE. - * - * Copyright (C) 2000 Lars Knoll (knoll@kde.org) - * Copyright (C) 2003 Apple Computer, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - */ -#ifndef BIDI_H -#define BIDI_H - -#include <tqstring.h> -#include "rendering/render_object.h" - -namespace khtml { - class RenderArena; - class RenderBlock; - class RenderObject; - class InlineBox; - - class BidiContext { - public: - BidiContext(unsigned char level, TQChar::Direction embedding, BidiContext *parent = 0, bool override = false); - ~BidiContext(); - - void ref() const; - void deref() const; - - unsigned char level; - bool override : 1; - TQChar::Direction dir : 5; - TQChar::Direction basicDir : 5; - - BidiContext *parent; - - - // refcounting.... - mutable int count; - }; - - struct BidiRun { - BidiRun(int _start, int _stop, RenderObject *_obj, BidiContext *context, TQChar::Direction dir) - : start( _start ), stop( _stop ), obj( _obj ), box(0), nextRun(0) - { - if(dir == TQChar::DirON) dir = context->dir; - - level = context->level; - - // add level of run (cases I1 & I2) - if( level % 2 ) { - if(dir == TQChar::DirL || dir == TQChar::DirAN || dir == TQChar::DirEN) - level++; - } else { - if( dir == TQChar::DirR ) - level++; - else if( dir == TQChar::DirAN || dir == TQChar::DirEN) - level += 2; - } - } - - void detach(RenderArena* renderArena); - - // Overloaded new operator. - void* operator new(size_t sz, RenderArena* renderArena) throw(); - - // Overridden to prevent the normal delete from being called. - void operator delete(void* ptr, size_t sz); - -private: - // The normal operator new is disallowed. - void* operator new(size_t sz) throw(); - -public: - int start; - int stop; - - RenderObject *obj; - InlineBox* box; - - // explicit + implicit levels here - uchar level; - - bool compact : 1; - - BidiRun* nextRun; - }; - - struct BidiIterator; - struct BidiState; - - struct InlineMinMaxIterator - { - /* InlineMinMaxIterator is a class that will iterate over all render objects that contribute to - inline min/max width calculations. Note the following about the way it walks: - (1) Positioned content is skipped (since it does not contribute to min/max width of a block) - (2) We do not drill into the children of floats or replaced elements, since you can't break - in the middle of such an element. - (3) Inline flows (e.g., <a>, <span>, <i>) are walked twice, since each side can have - distinct borders/margin/padding that contribute to the min/max width. - */ - RenderObject* parent; - RenderObject* current; - bool endOfInline; - bool skipPositioned; - InlineMinMaxIterator(RenderObject* p, RenderObject* o, bool eOI=false, bool skipPos=true) - :parent(p), current(o), endOfInline(eOI), skipPositioned(skipPos) {} - inline RenderObject* next(); - }; - - inline RenderObject* InlineMinMaxIterator::next() - { - RenderObject* result = 0; - bool oldEndOfInline = endOfInline; - endOfInline = false; - while (current != 0 || (current == parent)) - { - //kDebug( 6040 ) << "current = " << current; - if (!oldEndOfInline && - (current == parent || - (!current->isFloating() && !current->isReplaced() && !current->isPositioned()))) - result = current->firstChild(); - if (!result) { - // We hit the end of our inline. (It was empty, e.g., <span></span>.) - if (!oldEndOfInline && current->isInlineFlow()) { - result = current; - endOfInline = true; - break; - } - while (current && current != parent) { - result = current->nextSibling(); - if (result) break; - current = current->parent(); - if (current && current != parent && current->isInlineFlow()) { - result = current; - endOfInline = true; - break; - } - } - } - - if (!result) break; - - if ((!skipPositioned || !result->isPositioned()) && (result->isText() || result->isBR() || - result->isFloatingOrPositioned() || result->isReplaced() || result->isGlyph() || result->isInlineFlow())) - break; - - current = result; - result = 0; - } - - // Update our position. - current = result; - return current; - } - -} - -#endif |