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Diffstat (limited to 'khtml/rendering/render_style.cpp')
| -rw-r--r-- | khtml/rendering/render_style.cpp | 1301 |
1 files changed, 0 insertions, 1301 deletions
diff --git a/khtml/rendering/render_style.cpp b/khtml/rendering/render_style.cpp deleted file mode 100644 index a71dd4116..000000000 --- a/khtml/rendering/render_style.cpp +++ /dev/null @@ -1,1301 +0,0 @@ -/* - * This file is part of the DOM implementation for KDE. - * - * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org) - * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org) - * Copyright (C) 2002-2003 Dirk Mueller (mueller@kde.org) - * Copyright (C) 2002-2005 Apple Computer, Inc. - * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com) - * - * 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. - * - */ - -#include "xml/dom_stringimpl.h" -#include "css/cssstyleselector.h" -#include "css/css_valueimpl.h" -#include "render_style.h" - -#include "kdebug.h" - -using namespace khtml; -using namespace DOM; - -/* CSS says Fixed for the default padding value, but we treat variable as 0 padding anyways, and like - * this is works fine for table paddings aswell - */ -StyleSurroundData::StyleSurroundData() - : margin( Fixed ), padding( Variable ) -{ -} - -StyleSurroundData::StyleSurroundData(const StyleSurroundData& o ) - : Shared<StyleSurroundData>(), - offset( o.offset ), margin( o.margin ), padding( o.padding ), - border( o.border ) -{ -} - -bool StyleSurroundData::operator==(const StyleSurroundData& o) const -{ - return offset==o.offset && margin==o.margin && - padding==o.padding && border==o.border; -} - -StyleBoxData::StyleBoxData() - : z_index( 0 ), z_auto( true ) -{ - min_width = min_height = RenderStyle::initialMinSize(); - max_width = max_height = RenderStyle::initialMaxSize(); - box_sizing = RenderStyle::initialBoxSizing(); -} - -StyleBoxData::StyleBoxData(const StyleBoxData& o ) - : Shared<StyleBoxData>(), - width( o.width ), height( o.height ), - min_width( o.min_width ), max_width( o.max_width ), - min_height ( o.min_height ), max_height( o.max_height ), - box_sizing( o.box_sizing), - z_index( o.z_index ), z_auto( o.z_auto ) -{ -} - -bool StyleBoxData::operator==(const StyleBoxData& o) const -{ - return - width == o.width && - height == o.height && - min_width == o.min_width && - max_width == o.max_width && - min_height == o.min_height && - max_height == o.max_height && - box_sizing == o.box_sizing && - z_index == o.z_index && - z_auto == o.z_auto; -} - -StyleVisualData::StyleVisualData() - : textDecoration(RenderStyle::initialTextDecoration()), - palette( TQApplication::palette() ) -{ -} - -StyleVisualData::~StyleVisualData() { -} - -StyleVisualData::StyleVisualData(const StyleVisualData& o ) - : Shared<StyleVisualData>(), - clip( o.clip ), textDecoration(o.textDecoration), - palette( o.palette ) -{ -} - -BackgroundLayer::BackgroundLayer() -:m_image(RenderStyle::initialBackgroundImage()), - m_bgAttachment(RenderStyle::initialBackgroundAttachment()), - m_bgClip(RenderStyle::initialBackgroundClip()), - m_bgOrigin(RenderStyle::initialBackgroundOrigin()), - m_bgRepeat(RenderStyle::initialBackgroundRepeat()), - m_backgroundSize(RenderStyle::initialBackgroundSize()), - m_next(0) -{ - m_imageSet = m_attachmentSet = m_clipSet = m_originSet = - m_repeatSet = m_xPosSet = m_yPosSet = m_backgroundSizeSet = false; -} - -BackgroundLayer::BackgroundLayer(const BackgroundLayer& o) -{ - m_next = o.m_next ? new BackgroundLayer(*o.m_next) : 0; - m_image = o.m_image; - m_xPosition = o.m_xPosition; - m_yPosition = o.m_yPosition; - m_bgAttachment = o.m_bgAttachment; - m_bgClip = o.m_bgClip; - m_bgOrigin = o.m_bgOrigin; - m_bgRepeat = o.m_bgRepeat; - m_backgroundSize = o.m_backgroundSize; - m_imageSet = o.m_imageSet; - m_attachmentSet = o.m_attachmentSet; - m_clipSet = o.m_clipSet; - m_originSet = o.m_originSet; - m_repeatSet = o.m_repeatSet; - m_xPosSet = o.m_xPosSet; - m_yPosSet = o.m_yPosSet; - m_backgroundSizeSet = o.m_backgroundSizeSet; -} - -BackgroundLayer::~BackgroundLayer() -{ - delete m_next; -} - -BackgroundLayer& BackgroundLayer::operator=(const BackgroundLayer& o) { - if (m_next != o.m_next) { - delete m_next; - m_next = o.m_next ? new BackgroundLayer(*o.m_next) : 0; - } - - m_image = o.m_image; - m_xPosition = o.m_xPosition; - m_yPosition = o.m_yPosition; - m_bgAttachment = o.m_bgAttachment; - m_bgClip = o.m_bgClip; - m_bgOrigin = o.m_bgOrigin; - m_bgRepeat = o.m_bgRepeat; - m_backgroundSize = o.m_backgroundSize; - - m_imageSet = o.m_imageSet; - m_attachmentSet = o.m_attachmentSet; - m_originSet = o.m_originSet; - m_repeatSet = o.m_repeatSet; - m_xPosSet = o.m_xPosSet; - m_yPosSet = o.m_yPosSet; - m_backgroundSizeSet = o.m_backgroundSizeSet; - - return *this; -} - -bool BackgroundLayer::operator==(const BackgroundLayer& o) const { - return m_image == o.m_image && m_xPosition == o.m_xPosition && m_yPosition == o.m_yPosition && - m_bgAttachment == o.m_bgAttachment && m_bgClip == o.m_bgClip && m_bgOrigin == o.m_bgOrigin && m_bgRepeat == o.m_bgRepeat && - m_backgroundSize.width == o.m_backgroundSize.width && m_backgroundSize.height == o.m_backgroundSize.height && - m_imageSet == o.m_imageSet && m_attachmentSet == o.m_attachmentSet && m_repeatSet == o.m_repeatSet && - m_xPosSet == o.m_xPosSet && m_yPosSet == o.m_yPosSet && m_backgroundSizeSet == o.m_backgroundSizeSet && - ((m_next && o.m_next) ? *m_next == *o.m_next : m_next == o.m_next); -} - -void BackgroundLayer::fillUnsetProperties() -{ - BackgroundLayer* curr; - for (curr = this; curr && curr->isBackgroundImageSet(); curr = curr->next()); - if (curr && curr != this) { - // We need to fill in the remaining values with the pattern specified. - for (BackgroundLayer* pattern = this; curr; curr = curr->next()) { - curr->m_image = pattern->m_image; - pattern = pattern->next(); - if (pattern == curr || !pattern) - pattern = this; - } - } - - for (curr = this; curr && curr->isBackgroundXPositionSet(); curr = curr->next()); - if (curr && curr != this) { - // We need to fill in the remaining values with the pattern specified. - for (BackgroundLayer* pattern = this; curr; curr = curr->next()) { - curr->m_xPosition = pattern->m_xPosition; - pattern = pattern->next(); - if (pattern == curr || !pattern) - pattern = this; - } - } - - for (curr = this; curr && curr->isBackgroundYPositionSet(); curr = curr->next()); - if (curr && curr != this) { - // We need to fill in the remaining values with the pattern specified. - for (BackgroundLayer* pattern = this; curr; curr = curr->next()) { - curr->m_yPosition = pattern->m_yPosition; - pattern = pattern->next(); - if (pattern == curr || !pattern) - pattern = this; - } - } - - for (curr = this; curr && curr->isBackgroundAttachmentSet(); curr = curr->next()); - if (curr && curr != this) { - // We need to fill in the remaining values with the pattern specified. - for (BackgroundLayer* pattern = this; curr; curr = curr->next()) { - curr->m_bgAttachment = pattern->m_bgAttachment; - pattern = pattern->next(); - if (pattern == curr || !pattern) - pattern = this; - } - } - - for (curr = this; curr && curr->isBackgroundClipSet(); curr = curr->next()); - if (curr && curr != this) { - // We need to fill in the remaining values with the pattern specified. - for (BackgroundLayer* pattern = this; curr; curr = curr->next()) { - curr->m_bgClip = pattern->m_bgClip; - pattern = pattern->next(); - if (pattern == curr || !pattern) - pattern = this; - } - } - - for (curr = this; curr && curr->isBackgroundOriginSet(); curr = curr->next()); - if (curr && curr != this) { - // We need to fill in the remaining values with the pattern specified. - for (BackgroundLayer* pattern = this; curr; curr = curr->next()) { - curr->m_bgOrigin = pattern->m_bgOrigin; - pattern = pattern->next(); - if (pattern == curr || !pattern) - pattern = this; - } - } - - for (curr = this; curr && curr->isBackgroundRepeatSet(); curr = curr->next()); - if (curr && curr != this) { - // We need to fill in the remaining values with the pattern specified. - for (BackgroundLayer* pattern = this; curr; curr = curr->next()) { - curr->m_bgRepeat = pattern->m_bgRepeat; - pattern = pattern->next(); - if (pattern == curr || !pattern) - pattern = this; - } - } - - for (curr = this; curr && curr->isBackgroundSizeSet(); curr = curr->next()); - if (curr && curr != this) { - // We need to fill in the remaining values with the pattern specified. - for (BackgroundLayer* pattern = this; curr; curr = curr->next()) { - curr->m_backgroundSize = pattern->m_backgroundSize; - pattern = pattern->next(); - if (pattern == curr || !pattern) - pattern = this; - } - } -} - -void BackgroundLayer::cullEmptyLayers() -{ - BackgroundLayer *next; - for (BackgroundLayer *p = this; p; p = next) { - next = p->m_next; - if (next && !next->isBackgroundImageSet() && - !next->isBackgroundXPositionSet() && !next->isBackgroundYPositionSet() && - !next->isBackgroundAttachmentSet() && !next->isBackgroundClipSet() && - !next->isBackgroundOriginSet() && !next->isBackgroundRepeatSet() && - !next->isBackgroundSizeSet()) { - delete next; - p->m_next = 0; - break; - } - } -} - -StyleBackgroundData::StyleBackgroundData() -{} - -StyleBackgroundData::StyleBackgroundData(const StyleBackgroundData& o) - : Shared<StyleBackgroundData>(), m_background(o.m_background), m_outline(o.m_outline) -{} - -bool StyleBackgroundData::operator==(const StyleBackgroundData& o) const -{ - return m_background == o.m_background && m_color == o.m_color && m_outline == o.m_outline; -} - -StyleGeneratedData::StyleGeneratedData() : Shared<StyleGeneratedData>(), content(0), counter_reset(0), counter_increment(0) {} - -StyleGeneratedData::~StyleGeneratedData() -{ - if (counter_reset) counter_reset->deref(); - if (counter_increment) counter_increment->deref(); - delete content; -} - -StyleGeneratedData::StyleGeneratedData(const StyleGeneratedData& o) - : Shared<StyleGeneratedData>(), content(0), - counter_reset(o.counter_reset), counter_increment(o.counter_increment) -{ - if (o.content) content = new ContentData(*o.content); - if (counter_reset) counter_reset->ref(); - if (counter_increment) counter_increment->ref(); -} - -bool StyleGeneratedData::contentDataEquivalent(const StyleGeneratedData* otherStyle) const -{ - ContentData* c1 = content; - ContentData* c2 = otherStyle->content; - - while (c1 && c2) { - if (c1->_contentType != c2->_contentType) - return false; - if (c1->_contentType == CONTENT_TEXT) { - DOM::DOMString c1Str(c1->_content.text); - DOM::DOMString c2Str(c2->_content.text); - if (c1Str != c2Str) - return false; - } - else if (c1->_contentType == CONTENT_OBJECT) { - if (c1->_content.object != c2->_content.object) - return false; - } - else if (c1->_contentType == CONTENT_COUNTER) { - if (c1->_content.counter != c2->_content.counter) - return false; - } - else if (c1->_contentType == CONTENT_QUOTE) { - if (c1->_content.quote != c2->_content.quote) - return false; - } - - c1 = c1->_nextContent; - c2 = c2->_nextContent; - } - - return !c1 && !c2; -} - -static bool compareCounterActList(const CSSValueListImpl* ca, const CSSValueListImpl* cb) { - // weeee.... - CSSValueListImpl* a = const_cast<CSSValueListImpl*>(ca); - CSSValueListImpl* b = const_cast<CSSValueListImpl*>(cb); - - if (!a && !b) return true; - if (!a || !b) return false; - if (a->length() != b->length()) return false; - for(uint i=0; i< a->length(); i++) { - CSSValueImpl *ai = a->item(i); - CSSValueImpl *bi = b->item(i); - assert(ai && ai->cssValueType() == CSSValue::CSS_CUSTOM); - assert(bi && bi->cssValueType() == CSSValue::CSS_CUSTOM); - CounterActImpl* caa = static_cast<CounterActImpl*>(ai); - CounterActImpl* cab = static_cast<CounterActImpl*>(bi); - if (caa->value() != cab->value()) return false; - if (caa->counter() != cab->counter()) return false; - } - return true; -} - -bool StyleGeneratedData::counterDataEquivalent(const StyleGeneratedData* otherStyle) const -{ - return compareCounterActList(counter_reset, otherStyle->counter_reset) && - compareCounterActList(counter_increment, otherStyle->counter_increment); -} - -bool StyleGeneratedData::operator==(const StyleGeneratedData& o) const -{ - return contentDataEquivalent(&o) && counterDataEquivalent(&o); -} - -StyleMarqueeData::StyleMarqueeData() -{ - increment = RenderStyle::initialMarqueeIncrement(); - speed = RenderStyle::initialMarqueeSpeed(); - direction = RenderStyle::initialMarqueeDirection(); - behavior = RenderStyle::initialMarqueeBehavior(); - loops = RenderStyle::initialMarqueeLoopCount(); -} - -StyleMarqueeData::StyleMarqueeData(const StyleMarqueeData& o) -:Shared<StyleMarqueeData>(), increment(o.increment), speed(o.speed), loops(o.loops), - behavior(o.behavior), direction(o.direction) -{} - -bool StyleMarqueeData::operator==(const StyleMarqueeData& o) const -{ - return (increment == o.increment && speed == o.speed && direction == o.direction && - behavior == o.behavior && loops == o.loops); -} - -StyleCSS3NonInheritedData::StyleCSS3NonInheritedData() -:Shared<StyleCSS3NonInheritedData>() -, opacity(RenderStyle::initialOpacity()) -{ -} - -StyleCSS3NonInheritedData::StyleCSS3NonInheritedData(const StyleCSS3NonInheritedData& o) -:Shared<StyleCSS3NonInheritedData>(), - opacity(o.opacity), -#ifdef APPLE_CHANGES - flexibleBox(o.flexibleBox), -#endif - marquee(o.marquee) -{ -} - -bool StyleCSS3NonInheritedData::operator==(const StyleCSS3NonInheritedData& o) const -{ - return - opacity == o.opacity && -#ifdef APPLE_CHANGES - flexibleBox == o.flexibleBox && -#endif - marquee == o.marquee; -} - -StyleCSS3InheritedData::StyleCSS3InheritedData() -:Shared<StyleCSS3InheritedData>(), textShadow(0), wordWrap(RenderStyle::initialWordWrap()) -#ifdef APPLE_CHANGES -, userModify(READ_ONLY), textSizeAdjust(RenderStyle::initialTextSizeAdjust()) -#endif -{ - -} - -StyleCSS3InheritedData::StyleCSS3InheritedData(const StyleCSS3InheritedData& o) -:Shared<StyleCSS3InheritedData>() -{ - textShadow = o.textShadow ? new ShadowData(*o.textShadow) : 0; - wordWrap = o.wordWrap; -#ifdef APPLE_CHANGES - userModify = o.userModify; - textSizeAdjust = o.textSizeAdjust; -#endif -} - -StyleCSS3InheritedData::~StyleCSS3InheritedData() -{ - delete textShadow; -} - -bool StyleCSS3InheritedData::operator==(const StyleCSS3InheritedData& o) const -{ - return shadowDataEquivalent(o) && (wordWrap == o.wordWrap) -#ifdef APPLE_CHANGES - && (userModify == o.userModify) && (textSizeAdjust == o.textSizeAdjust) -#endif - ; -} - -bool StyleCSS3InheritedData::shadowDataEquivalent(const StyleCSS3InheritedData& o) const -{ - if (!textShadow && o.textShadow || textShadow && !o.textShadow) - return false; - if (textShadow && o.textShadow && (*textShadow != *o.textShadow)) - return false; - return true; -} - -StyleInheritedData::StyleInheritedData() - : indent( RenderStyle::initialTextIndent() ), line_height( RenderStyle::initialLineHeight() ), - style_image( RenderStyle::initialListStyleImage() ), - font(), color( RenderStyle::initialColor() ), - border_hspacing( RenderStyle::initialBorderHorizontalSpacing() ), - border_vspacing( RenderStyle::initialBorderVerticalSpacing() ), - widows( RenderStyle::initialWidows() ), orphans( RenderStyle::initialOrphans() ), - quotes(0) -{ -} - -StyleInheritedData::~StyleInheritedData() -{ - if (quotes) quotes->deref(); -} - -StyleInheritedData::StyleInheritedData(const StyleInheritedData& o ) - : Shared<StyleInheritedData>(), - indent( o.indent ), line_height( o.line_height ), style_image( o.style_image ), - font( o.font ), color( o.color ), - border_hspacing( o.border_hspacing ), - border_vspacing( o.border_vspacing ), - widows(o.widows), orphans(o.orphans) -{ - quotes = o.quotes; - if (quotes) quotes->ref(); -} - -bool StyleInheritedData::operator==(const StyleInheritedData& o) const -{ - return - indent == o.indent && - line_height == o.line_height && - border_hspacing == o.border_hspacing && - border_vspacing == o.border_vspacing && - style_image == o.style_image && - font == o.font && - color == o.color && - border_hspacing == o.border_hspacing && - border_vspacing == o.border_vspacing && - quotes == o.quotes && - widows == o.widows && - orphans == o.orphans ; - - // doesn't work because structs are not packed - //return memcmp(this, &o, sizeof(*this))==0; -} - -RenderStyle::RenderStyle() -{ -// counter++; - if (!_default) - _default = new RenderStyle(true); - - box = _default->box; - visual = _default->visual; - background = _default->background; - surround = _default->surround; - generated = _default->generated; - css3NonInheritedData = _default->css3NonInheritedData; - css3InheritedData = _default->css3InheritedData; - - inherited = _default->inherited; - - setBitDefaults(); - - pseudoStyle = 0; -} - -RenderStyle::RenderStyle(bool) -{ - setBitDefaults(); - - box.init(); - visual.init(); - background.init(); - surround.init(); - generated.init(); - css3NonInheritedData.init(); -#ifdef APPLE_CHANGES // ### yet to be merged - css3NonInheritedData.access()->flexibleBox.init(); -#endif - css3NonInheritedData.access()->marquee.init(); - css3InheritedData.init(); - inherited.init(); - - pseudoStyle = 0; -} - -RenderStyle::RenderStyle(const RenderStyle& o) - : Shared<RenderStyle>(), - inherited_flags( o.inherited_flags ), noninherited_flags( o.noninherited_flags ), - box( o.box ), visual( o.visual ), background( o.background ), surround( o.surround ), generated(o.generated), - css3NonInheritedData( o.css3NonInheritedData ), css3InheritedData( o.css3InheritedData ), - inherited( o.inherited ), pseudoStyle( 0 ) -{} - -void RenderStyle::inheritFrom(const RenderStyle* inheritParent) -{ - css3InheritedData = inheritParent->css3InheritedData; - inherited = inheritParent->inherited; - inherited_flags = inheritParent->inherited_flags; - - // Simulate ":after,:before { white-space: pre-line }" - if (styleType() == AFTER || styleType() == BEFORE) - setWhiteSpace(PRE_LINE); -} - -RenderStyle::~RenderStyle() -{ - RenderStyle *ps = pseudoStyle; - RenderStyle *prev = 0; - - while (ps) { - prev = ps; - ps = ps->pseudoStyle; - // to prevent a double deletion. - // this works only because the styles below aren't really shared - // Dirk said we need another construct as soon as these are shared - prev->pseudoStyle = 0; - prev->deref(); - } -} - -bool RenderStyle::operator==(const RenderStyle& o) const -{ -// compare everything except the pseudoStyle pointer - return (inherited_flags == o.inherited_flags && - noninherited_flags == o.noninherited_flags && - box == o.box && - visual == o.visual && - background == o.background && - surround == o.surround && - generated == o.generated && - css3NonInheritedData == o.css3NonInheritedData && - css3InheritedData == o.css3InheritedData && - inherited == o.inherited); -} - -enum EPseudoBit { NO_BIT = 0x0, - FIRST_LINE_BIT = 0x1, FIRST_LETTER_BIT = 0x2, SELECTION_BIT = 0x4, - BEFORE_BIT = 0x8, AFTER_BIT = 0x10, MARKER_BIT = 0x20, - REPLACED_BIT = 0x40 - }; - -static int pseudoBit(RenderStyle::PseudoId pseudo) -{ - switch (pseudo) { - case RenderStyle::BEFORE: - return BEFORE_BIT; - case RenderStyle::AFTER: - return AFTER_BIT; - case RenderStyle::MARKER: - return MARKER_BIT; - case RenderStyle::REPLACED: - return REPLACED_BIT; - case RenderStyle::FIRST_LINE: - return FIRST_LINE_BIT; - case RenderStyle::FIRST_LETTER: - return FIRST_LETTER_BIT; - case RenderStyle::SELECTION: - return SELECTION_BIT; - default: - return NO_BIT; - } -} - -bool RenderStyle::hasPseudoStyle(PseudoId pseudo) const -{ - return (pseudoBit(pseudo) & noninherited_flags.f._pseudoBits) != 0; -} - -void RenderStyle::setHasPseudoStyle(PseudoId pseudo, bool b) -{ - if (b) - noninherited_flags.f._pseudoBits |= pseudoBit(pseudo); - else - noninherited_flags.f._pseudoBits &= ~(pseudoBit(pseudo)); -} - -RenderStyle* RenderStyle::getPseudoStyle(PseudoId pid) const -{ - if (!hasPseudoStyle(pid)) return 0; - - RenderStyle *ps = 0; - if (noninherited_flags.f._styleType==NOPSEUDO) - for (ps = pseudoStyle; ps; ps = ps->pseudoStyle) - if (ps->noninherited_flags.f._styleType==pid) - break; - return ps; -} - -RenderStyle* RenderStyle::addPseudoStyle(PseudoId pid) -{ - if (hasPseudoStyle(pid)) return getPseudoStyle(pid); - - RenderStyle *ps = 0; - - switch (pid) { - case FIRST_LETTER: // pseudo-elements (FIRST_LINE has a special handling) - case SELECTION: - case BEFORE: - case AFTER: - ps = new RenderStyle(); - break; - default: - ps = new RenderStyle(*this); // use the real copy constructor to get an identical copy - } - ps->ref(); - ps->noninherited_flags.f._styleType = pid; - ps->pseudoStyle = pseudoStyle; - - pseudoStyle = ps; - - setHasPseudoStyle(pid, true); - - return ps; -} - -void RenderStyle::removePseudoStyle(PseudoId pid) -{ - RenderStyle *ps = pseudoStyle; - RenderStyle *prev = this; - - while (ps) { - if (ps->noninherited_flags.f._styleType==pid) { - prev->pseudoStyle = ps->pseudoStyle; - ps->deref(); - return; - } - prev = ps; - ps = ps->pseudoStyle; - } - - setHasPseudoStyle(pid, false); -} - - -bool RenderStyle::inheritedNotEqual( RenderStyle *other ) const -{ - return - ( - inherited_flags != other->inherited_flags || - inherited != other->inherited || - css3InheritedData != other->css3InheritedData - ); -} - -/* - compares two styles. The result gives an idea of the action that - needs to be taken when replacing the old style with a new one. - - CbLayout: The containing block of the object needs a relayout. - Layout: the RenderObject needs a relayout after the style change - Visible: The change is visible, but no relayout is needed - NonVisible: The object does need neither repaint nor relayout after - the change. - - ### TODO: - A lot can be optimised here based on the display type, lots of - optimisations are unimplemented, and currently result in the - worst case result causing a relayout of the containing block. -*/ -RenderStyle::Diff RenderStyle::diff( const RenderStyle *other ) const -{ - // we anyway assume they are the same -// EDisplay _display : 5; - - // NonVisible: -// ECursor _cursor_style : 4; -// EUserInput _user_input : 2; as long as :enabled is not impl'd - -// ### this needs work to know more exactly if we need a relayout -// or just a repaint - -// non-inherited attributes -// DataRef<StyleBoxData> box; -// DataRef<StyleVisualData> visual; -// DataRef<StyleSurroundData> surround; - -// inherited attributes -// DataRef<StyleInheritedData> inherited; - - if ( *box.get() != *other->box.get() || - *visual.get() != *other->visual.get() || - (*surround.get() != *other->surround.get() - && (other->position() == STATIC || other->position() != position())) || - !(inherited->indent == other->inherited->indent) || - !(inherited->line_height == other->inherited->line_height) || - !(inherited->style_image == other->inherited->style_image) || - !(inherited->font == other->inherited->font) || - !(inherited->border_hspacing == other->inherited->border_hspacing) || - !(inherited->border_vspacing == other->inherited->border_vspacing) || - !(inherited_flags.f._visuallyOrdered == other->inherited_flags.f._visuallyOrdered) || - !(inherited_flags.f._htmlHacks == other->inherited_flags.f._htmlHacks) || - !(noninherited_flags.f._textOverflow == other->noninherited_flags.f._textOverflow) ) - return CbLayout; - - // changes causing Layout changes: - -// only for tables: -// _border_collapse -// EEmptyCell _empty_cells : 2 ; -// ECaptionSide _caption_side : 2; -// ETableLayout _table_layout : 1; -// EPosition _position : 2; -// EFloat _floating : 2; - if ( ((int)noninherited_flags.f._display) >= TABLE ) { - if ( !(inherited_flags.f._empty_cells == other->inherited_flags.f._empty_cells) || - !(inherited_flags.f._caption_side == other->inherited_flags.f._caption_side) || - !(inherited_flags.f._border_collapse == other->inherited_flags.f._border_collapse) || - !(noninherited_flags.f._table_layout == other->noninherited_flags.f._table_layout) || - !(noninherited_flags.f._position == other->noninherited_flags.f._position) || - !(noninherited_flags.f._floating == other->noninherited_flags.f._floating) || - !(noninherited_flags.f._flowAroundFloats == other->noninherited_flags.f._flowAroundFloats) || - !(noninherited_flags.f._unicodeBidi == other->noninherited_flags.f._unicodeBidi) ) - return CbLayout; - } - -// only for lists: -// EListStyleType _list_style_type : 5 ; -// EListStylePosition _list_style_position :1; - if (noninherited_flags.f._display == LIST_ITEM ) { - if ( !(inherited_flags.f._list_style_type == other->inherited_flags.f._list_style_type) || - !(inherited_flags.f._list_style_position == other->inherited_flags.f._list_style_position) ) - return Layout; - } - -// ### These could be better optimised -// ETextAlign _text_align : 3; -// ETextTransform _text_transform : 4; -// EDirection _direction : 1; -// EWhiteSpace _white_space : 2; -// EClear _clear : 2; - if ( !(inherited_flags.f._text_align == other->inherited_flags.f._text_align) || - !(inherited_flags.f._text_transform == other->inherited_flags.f._text_transform) || - !(inherited_flags.f._direction == other->inherited_flags.f._direction) || - !(inherited_flags.f._white_space == other->inherited_flags.f._white_space) || - !(noninherited_flags.f._clear == other->noninherited_flags.f._clear) - ) - return Layout; - - // Overflow returns a layout hint. - if (noninherited_flags.f._overflowX != other->noninherited_flags.f._overflowX || - noninherited_flags.f._overflowY != other->noninherited_flags.f._overflowY) - return Layout; - -// only for inline: -// EVerticalAlign _vertical_align : 4; - - if ( !(noninherited_flags.f._display == INLINE) && - !(noninherited_flags.f._vertical_align == other->noninherited_flags.f._vertical_align) ) - return Layout; - - if (*surround.get() != *other->surround.get()) { - assert( other->position() != STATIC ); // this style is positioned or relatively positioned - if ( surround->hasSamePBMData(*other->surround.get()) && // padding/border/margin are identical - (other->position() == RELATIVE || - !(other->left().isVariable() && other->right().isVariable()) && // X isn't static - !(other->top().isVariable() && other->bottom().isVariable()) )) // neither is Y - // therefore only the offset is different - return Position; - return Layout; - } - - // Visible: -// EVisibility _visibility : 2; -// int _text_decorations : 4; -// DataRef<StyleBackgroundData> background; - if (inherited->color != other->inherited->color || - !(inherited_flags.f._visibility == other->inherited_flags.f._visibility) || - !(inherited_flags.f._text_decorations == other->inherited_flags.f._text_decorations) || - !(noninherited_flags.f._hasClip == other->noninherited_flags.f._hasClip) || - visual->textDecoration != other->visual->textDecoration || - *background.get() != *other->background.get() || - css3NonInheritedData->opacity != other->css3NonInheritedData->opacity || - !css3InheritedData->shadowDataEquivalent(*other->css3InheritedData.get()) - ) - return Visible; - - RenderStyle::Diff ch = Equal; - // Check for visible pseudo-changes: - if (hasPseudoStyle(FIRST_LINE) != other->hasPseudoStyle(FIRST_LINE)) - ch = Visible; - else - if (hasPseudoStyle(FIRST_LINE) && other->hasPseudoStyle(FIRST_LINE)) - ch = getPseudoStyle(FIRST_LINE)->diff(other->getPseudoStyle(FIRST_LINE)); - - if (ch != Equal) return ch; - - // Check for visible pseudo-changes: - if (hasPseudoStyle(SELECTION) != other->hasPseudoStyle(SELECTION)) - ch = Visible; - else - if (hasPseudoStyle(SELECTION) && other->hasPseudoStyle(SELECTION)) - ch = getPseudoStyle(SELECTION)->diff(other->getPseudoStyle(SELECTION)); - - return ch; -} - - -RenderStyle* RenderStyle::_default = 0; - -void RenderStyle::cleanup() -{ - delete _default; - _default = 0; -} - -void RenderStyle::setPaletteColor(TQPalette::ColorGroup g, TQColorGroup::ColorRole r, const TQColor& c) -{ - visual.access()->palette.setColor(g,r,c); -} - -void RenderStyle::adjustBackgroundLayers() -{ - if (backgroundLayers()->next()) { - // First we cull out layers that have no properties set. - accessBackgroundLayers()->cullEmptyLayers(); - - // Next we repeat patterns into layers that don't have some properties set. - accessBackgroundLayers()->fillUnsetProperties(); - } -} - -void RenderStyle::setClip( Length top, Length right, Length bottom, Length left ) -{ - StyleVisualData *data = visual.access(); - data->clip.top = top; - data->clip.right = right; - data->clip.bottom = bottom; - data->clip.left = left; -} - -void RenderStyle::setQuotes(DOM::QuotesValueImpl* q) -{ - DOM::QuotesValueImpl *t = inherited->quotes; - inherited.access()->quotes = q; - if (q) q->ref(); - if (t) t->deref(); -} - -TQString RenderStyle::openQuote(int level) const -{ - if (inherited->quotes) - return inherited->quotes->openQuote(level); - else - return "\""; // 0 is default quotes -} - -TQString RenderStyle::closeQuote(int level) const -{ - if (inherited->quotes) - return inherited->quotes->closeQuote(level); - else - return "\""; // 0 is default quotes -} - -void RenderStyle::addContent(CachedObject* o) -{ - if (!o) - return; // The object is null. Nothing to do. Just bail. - - StyleGeneratedData *t_generated = generated.access(); - - ContentData* lastContent = t_generated->content; - while (lastContent && lastContent->_nextContent) - lastContent = lastContent->_nextContent; - - ContentData* newContentData = new ContentData; - - if (lastContent) - lastContent->_nextContent = newContentData; - else - t_generated->content = newContentData; - - // o->ref(); - newContentData->_content.object = o; - newContentData->_contentType = CONTENT_OBJECT; -} - -void RenderStyle::addContent(DOM::DOMStringImpl* s) -{ - if (!s) - return; // The string is null. Nothing to do. Just bail. - - StyleGeneratedData *t_generated = generated.access(); - - ContentData* lastContent = t_generated->content; - while (lastContent && lastContent->_nextContent) - lastContent = lastContent->_nextContent; - - if (lastContent) { - if (lastContent->_contentType == CONTENT_TEXT) { - // We can augment the existing string and share this ContentData node. - DOMStringImpl* oldStr = lastContent->_content.text; - DOMStringImpl* newStr = oldStr->copy(); - newStr->ref(); - oldStr->deref(); - newStr->append(s); - lastContent->_content.text = newStr; - return; - } - } - - ContentData* newContentData = new ContentData; - - if (lastContent) - lastContent->_nextContent = newContentData; - else - t_generated->content = newContentData; - - newContentData->_content.text = s; - newContentData->_content.text->ref(); - newContentData->_contentType = CONTENT_TEXT; - -} - -void RenderStyle::addContent(DOM::CounterImpl* c) -{ - if (!c) - return; - - StyleGeneratedData *t_generated = generated.access(); - - ContentData* lastContent = t_generated->content; - while (lastContent && lastContent->_nextContent) - lastContent = lastContent->_nextContent; - - ContentData* newContentData = new ContentData; - - if (lastContent) - lastContent->_nextContent = newContentData; - else - t_generated->content = newContentData; - - c->ref(); - newContentData->_content.counter = c; - newContentData->_contentType = CONTENT_COUNTER; -} - -void RenderStyle::addContent(EQuoteContent q) -{ - if (q == NO_QUOTE) - return; - - StyleGeneratedData *t_generated = generated.access(); - - ContentData* lastContent = t_generated->content; - while (lastContent && lastContent->_nextContent) - lastContent = lastContent->_nextContent; - - ContentData* newContentData = new ContentData; - - if (lastContent) - lastContent->_nextContent = newContentData; - else - t_generated->content = newContentData; - - newContentData->_content.quote = q; - newContentData->_contentType = CONTENT_QUOTE; -} - -// content: normal is the same as having no content at all -void RenderStyle::setContentNormal() { - if (generated->content != 0) { - delete generated->content; - generated.access()->content = 0; - } -} - -// content: none, add an empty content node -void RenderStyle::setContentNone() { - setContentNormal(); - generated.access()->content = new ContentData; -} - -void RenderStyle::setContentData(ContentData *data) { - if (data != generated->content) { - if (data) - generated.access()->content = new ContentData(*data); - else - generated.access()->content = 0; - } -} - -ContentData::ContentData(const ContentData& o) : _contentType(o._contentType) -{ - switch (_contentType) { - case CONTENT_OBJECT: - _content.object = o._content.object; - break; - case CONTENT_TEXT: - _content.text = o._content.text; - _content.text->ref(); - break; - case CONTENT_COUNTER: - _content.counter = o._content.counter; - _content.counter->ref(); - break; - case CONTENT_QUOTE: - _content.quote = o._content.quote; - break; - case CONTENT_NONE: - default: - break; - } - - _nextContent = o._nextContent ? new ContentData(*o._nextContent) : 0; -} - -ContentData::~ContentData() -{ - clearContent(); -} - -void ContentData::clearContent() -{ - delete _nextContent; - _nextContent = 0; - - switch (_contentType) - { - case CONTENT_OBJECT: - _content.object = 0; - break; - case CONTENT_TEXT: - _content.text->deref(); - _content.text = 0; - break; - case CONTENT_COUNTER: - _content.counter->deref(); - _content.counter = 0; - break; - case CONTENT_QUOTE: - _content.quote = NO_QUOTE; - break; - default: - ; - } -} - -void RenderStyle::setTextShadow(ShadowData* val, bool add) -{ - StyleCSS3InheritedData* css3Data = css3InheritedData.access(); - if (!add) { - delete css3Data->textShadow; - css3Data->textShadow = val; - return; - } - - ShadowData* last = css3Data->textShadow; - while (last->next) last = last->next; - last->next = val; -} - -ShadowData::ShadowData(const ShadowData& o) -:x(o.x), y(o.y), blur(o.blur), color(o.color) -{ - next = o.next ? new ShadowData(*o.next) : 0; -} - -bool ShadowData::operator==(const ShadowData& o) const -{ - if ((next && !o.next) || (!next && o.next) || - (next && o.next && *next != *o.next)) - return false; - - return x == o.x && y == o.y && blur == o.blur && color == o.color; -} - -static bool hasCounter(const DOM::DOMString& c, CSSValueListImpl *l) -{ - int len = l->length(); - for(int i=0; i<len; i++) { - CounterActImpl* ca = static_cast<CounterActImpl*>(l->item(i)); - Q_ASSERT(ca != 0); - if (ca->m_counter == c) return true; - } - return false; -} - -bool RenderStyle::hasCounterReset(const DOM::DOMString& c) const -{ - if (generated->counter_reset) - return hasCounter(c, generated->counter_reset); - else - return false; -} - -bool RenderStyle::hasCounterIncrement(const DOM::DOMString& c) const -{ - if (generated->counter_increment) - return hasCounter(c, generated->counter_increment); - else - return false; -} - -static short readCounter(const DOM::DOMString& c, CSSValueListImpl *l) -{ - int len = l->length(); - for(int i=0; i<len; i++) { - CounterActImpl* ca = static_cast<CounterActImpl*>(l->item(i)); - Q_ASSERT(ca != 0); - if (ca->m_counter == c) return ca->m_value; - } - return 0; -} - -short RenderStyle::counterReset(const DOM::DOMString& c) const -{ - if (generated->counter_reset) - return readCounter(c, generated->counter_reset); - else - return 0; -} - -short RenderStyle::counterIncrement(const DOM::DOMString& c) const -{ - if (generated->counter_increment) - return readCounter(c, generated->counter_increment); - else - return 0; -} - -void RenderStyle::setCounterReset(CSSValueListImpl *l) -{ - CSSValueListImpl *t = generated->counter_reset; - generated.access()->counter_reset = l; - if (l) l->ref(); - if (t) t->deref(); -} - -void RenderStyle::setCounterIncrement(CSSValueListImpl *l) -{ - CSSValueListImpl *t = generated->counter_increment; - generated.access()->counter_increment = l; - if (l) l->ref(); - if (t) t->deref(); -} - -#ifdef ENABLE_DUMP - -static TQString describeFont( const TQFont &f) -{ - TQString res = "'" + f.family() + "' "; - - if ( f.pointSize() > 0) - res += TQString::number( f.pointSize() ) + "pt"; - else - res += TQString::number( f.pixelSize() ) + "px"; - - if ( f.bold() ) - res += " bold"; - if ( f.italic() ) - res += " italic"; - if ( f.underline() ) - res += " underline"; - if ( f.overline() ) - res += " overline"; - if ( f.strikeOut() ) - res += " strikeout"; - return res; -} - -TQString RenderStyle::createDiff( const RenderStyle &parent ) const -{ - TQString res; - if ( color().isValid() && parent.color() != color() ) - res += " [color=" + color().name() + "]"; - if ( backgroundColor().isValid() && parent.backgroundColor() != backgroundColor() ) - res += " [bgcolor=" + backgroundColor().name() + "]"; - if ( parent.font() != font() ) - res += " [font=" + describeFont( font() ) + "]"; - - return res; -} -#endif - -RenderPageStyle::RenderPageStyle() : next(0), m_pageType(ANY_PAGE) -{ -} - -RenderPageStyle::~RenderPageStyle() -{ - delete next; -} - -RenderPageStyle* RenderPageStyle::getPageStyle(PageType type) -{ - RenderPageStyle *ps = 0; - for (ps = this; ps; ps = ps->next) - if (ps->m_pageType==type) - break; - return ps; -} - -RenderPageStyle* RenderPageStyle::addPageStyle(PageType type) -{ - RenderPageStyle *ps = getPageStyle(type); - - if (!ps) - { - ps = new RenderPageStyle(*this); // use the real copy constructor to get an identical copy - ps->m_pageType = type; - - ps->next = next; - next = ps; - } - - return ps; -} - -void RenderPageStyle::removePageStyle(PageType type) -{ - RenderPageStyle *ps = next; - RenderPageStyle *prev = this; - - while (ps) { - if (ps->m_pageType==type) { - prev->next = ps->next; - delete ps; - return; - } - prev = ps; - ps = ps->next; - } -} |