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-rw-r--r--tdehtml/rendering/render_object.cpp2330
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diff --git a/tdehtml/rendering/render_object.cpp b/tdehtml/rendering/render_object.cpp
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+++ b/tdehtml/rendering/render_object.cpp
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+/**
+ * This file is part of the html renderer for KDE.
+ *
+ * Copyright (C) 1999-2003 Lars Knoll ([email protected])
+ * (C) 1999 Antti Koivisto ([email protected])
+ * (C) 2000-2003 Dirk Mueller ([email protected])
+ * (C) 2002-2006 Apple Computer, Inc.
+ * (C) 2006 Germain Garand <[email protected]>
+ *
+ * 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 "rendering/render_object.h"
+#include "rendering/render_table.h"
+#include "rendering/render_list.h"
+#include "rendering/render_canvas.h"
+#include "rendering/render_block.h"
+#include "rendering/render_arena.h"
+#include "rendering/render_layer.h"
+#include "rendering/render_line.h"
+#include "rendering/render_inline.h"
+#include "rendering/render_text.h"
+#include "rendering/render_replaced.h"
+#include "rendering/render_generated.h"
+#include "rendering/counter_tree.h"
+
+#include "xml/dom_elementimpl.h"
+#include "xml/dom_docimpl.h"
+#include "dom/dom_doc.h"
+#include "misc/htmlhashes.h"
+#include "misc/loader.h"
+
+#include <kdebug.h>
+#include <kglobal.h>
+#include <tqpainter.h>
+#include "tdehtmlview.h"
+#include <tdehtml_part.h>
+
+#include <assert.h>
+using namespace DOM;
+using namespace tdehtml;
+
+#define RED_LUMINOSITY 30
+#define GREEN_LUMINOSITY 59
+#define BLUE_LUMINOSITY 11
+#define INTENSITY_FACTOR 25
+#define LIGHT_FACTOR 0
+#define LUMINOSITY_FACTOR 75
+
+#define MAX_COLOR 255
+#define COLOR_DARK_THRESHOLD 51
+#define COLOR_LIGHT_THRESHOLD 204
+
+#define COLOR_LITE_BS_FACTOR 45
+#define COLOR_LITE_TS_FACTOR 70
+
+#define COLOR_DARK_BS_FACTOR 30
+#define COLOR_DARK_TS_FACTOR 50
+
+#define LIGHT_GRAY tqRgb(192, 192, 192)
+#define DARK_GRAY tqRgb(96, 96, 96)
+
+#ifndef NDEBUG
+static void *baseOfRenderObjectBeingDeleted;
+#endif
+
+//#define MASK_DEBUG
+
+void* RenderObject::operator new(size_t sz, RenderArena* renderArena) throw()
+{
+ return renderArena->allocate(sz);
+}
+
+void RenderObject::operator delete(void* ptr, size_t sz)
+{
+ assert(baseOfRenderObjectBeingDeleted == ptr);
+
+ // Stash size where detach can find it.
+ *(size_t *)ptr = sz;
+}
+
+RenderObject *RenderObject::createObject(DOM::NodeImpl* node, RenderStyle* style)
+{
+ RenderObject *o = 0;
+ tdehtml::RenderArena* arena = node->getDocument()->renderArena();
+ switch(style->display())
+ {
+ case NONE:
+ break;
+ case INLINE:
+ o = new (arena) RenderInline(node);
+ break;
+ case BLOCK:
+ o = new (arena) RenderBlock(node);
+ break;
+ case INLINE_BLOCK:
+ o = new (arena) RenderBlock(node);
+ break;
+ case LIST_ITEM:
+ o = new (arena) RenderListItem(node);
+ break;
+ case RUN_IN:
+ case COMPACT:
+ o = new (arena) RenderBlock(node);
+ break;
+ case TABLE:
+ case INLINE_TABLE:
+ style->setFlowAroundFloats(true);
+ o = new (arena) RenderTable(node);
+ break;
+ case TABLE_ROW_GROUP:
+ case TABLE_HEADER_GROUP:
+ case TABLE_FOOTER_GROUP:
+ o = new (arena) RenderTableSection(node);
+ break;
+ case TABLE_ROW:
+ o = new (arena) RenderTableRow(node);
+ break;
+ case TABLE_COLUMN_GROUP:
+ case TABLE_COLUMN:
+ o = new (arena) RenderTableCol(node);
+ break;
+ case TABLE_CELL:
+ o = new (arena) RenderTableCell(node);
+ break;
+ case TABLE_CAPTION:
+ o = new (arena) RenderBlock(node);
+ break;
+ }
+ return o;
+}
+
+
+RenderObject::RenderObject(DOM::NodeImpl* node)
+ : CachedObjectClient(),
+ m_style( 0 ),
+ m_node( node ),
+ m_parent( 0 ),
+ m_previous( 0 ),
+ m_next( 0 ),
+ m_verticalPosition( PositionUndefined ),
+ m_needsLayout( false ),
+ m_normalChildNeedsLayout( false ),
+ m_markedForRepaint( false ),
+ m_posChildNeedsLayout( false ),
+ m_minMaxKnown( false ),
+ m_floating( false ),
+
+ m_positioned( false ),
+ m_overhangingContents( false ),
+ m_relPositioned( false ),
+ m_paintBackground( false ),
+
+ m_isAnonymous( node->isDocumentNode() ),
+ m_recalcMinMax( false ),
+ m_isText( false ),
+ m_inline( true ),
+ m_attached( false ),
+
+ m_replaced( false ),
+ m_mouseInside( false ),
+ m_hasFirstLine( false ),
+ m_isSelectionBorder( false ),
+ m_isRoot( false ),
+ m_afterPageBreak( false ),
+ m_needsPageClear( false ),
+ m_containsPageBreak( false ),
+ m_hasOverflowClip( false ),
+ m_doNotDelete( false )
+{
+ assert( node );
+ if (node->getDocument()->documentElement() == node) setIsRoot(true);
+}
+
+RenderObject::~RenderObject()
+{
+ const BackgroundLayer* bgLayer = m_style->backgroundLayers();
+ while (bgLayer) {
+ if(bgLayer->backgroundImage())
+ bgLayer->backgroundImage()->deref(this);
+ bgLayer = bgLayer->next();
+ }
+
+ if (m_style)
+ m_style->deref();
+}
+
+
+
+RenderObject* RenderObject::objectBelow() const
+{
+ RenderObject* obj = firstChild();
+ if ( !obj ) {
+ obj = nextSibling();
+ if ( !obj )
+ {
+ obj = parent();
+ while (obj && !obj->nextSibling())
+ obj = obj->parent();
+ if (obj)
+ obj = obj->nextSibling();
+ }
+ }
+ return obj;
+}
+
+RenderObject* RenderObject::objectAbove() const
+{
+ RenderObject* obj = previousSibling();
+ if ( !obj )
+ return parent();
+
+ RenderObject* last = obj->lastChild();
+ while ( last )
+ {
+ obj = last;
+ last = last->lastChild();
+ }
+ return obj;
+}
+/*
+bool RenderObject::isRoot() const
+{
+ return !isAnonymous() &&
+ element()->getDocument()->documentElement() == element();
+}*/
+
+bool RenderObject::isHR() const
+{
+ return element() && element()->id() == ID_HR;
+}
+
+bool RenderObject::isWordBreak() const
+{
+ return element() && element()->id() == ID_WBR;
+}
+
+bool RenderObject::isHTMLMarquee() const
+{
+ return element() && element()->renderer() == this && element()->id() == ID_MARQUEE;
+}
+
+void RenderObject::addChild(RenderObject* , RenderObject *)
+{
+ KHTMLAssert(0);
+}
+
+RenderObject* RenderObject::removeChildNode(RenderObject* )
+{
+ KHTMLAssert(0);
+ return 0;
+}
+
+void RenderObject::removeChild(RenderObject *o )
+{
+ setNeedsLayout(true);
+ removeChildNode( o );
+}
+
+void RenderObject::appendChildNode(RenderObject*)
+{
+ KHTMLAssert(0);
+}
+
+void RenderObject::insertChildNode(RenderObject*, RenderObject*)
+{
+ KHTMLAssert(0);
+}
+
+RenderObject *RenderObject::nextRenderer() const
+{
+ if (firstChild())
+ return firstChild();
+ else if (nextSibling())
+ return nextSibling();
+ else {
+ const RenderObject *r = this;
+ while (r && !r->nextSibling())
+ r = r->parent();
+ if (r)
+ return r->nextSibling();
+ }
+ return 0;
+}
+
+RenderObject *RenderObject::previousRenderer() const
+{
+ if (previousSibling()) {
+ RenderObject *r = previousSibling();
+ while (r->lastChild())
+ r = r->lastChild();
+ return r;
+ }
+ else if (parent()) {
+ return parent();
+ }
+ else {
+ return 0;
+ }
+}
+
+static void addLayers(RenderObject* obj, RenderLayer* parentLayer, RenderObject*& newObject,
+ RenderLayer*& beforeChild)
+{
+ if (obj->layer()) {
+ if (!beforeChild && newObject) {
+ // We need to figure out the layer that follows newObject. We only do
+ // this the first time we find a child layer, and then we update the
+ // pointer values for newObject and beforeChild used by everyone else.
+ beforeChild = newObject->parent()->findNextLayer(parentLayer, newObject);
+ newObject = 0;
+ }
+ parentLayer->addChild(obj->layer(), beforeChild);
+ return;
+ }
+
+ for (RenderObject* curr = obj->firstChild(); curr; curr = curr->nextSibling())
+ addLayers(curr, parentLayer, newObject, beforeChild);
+}
+
+void RenderObject::addLayers(RenderLayer* parentLayer, RenderObject* newObject)
+{
+ if (!parentLayer)
+ return;
+
+ RenderObject* object = newObject;
+ RenderLayer* beforeChild = 0;
+ ::addLayers(this, parentLayer, object, beforeChild);
+}
+
+void RenderObject::removeLayers(RenderLayer* parentLayer)
+{
+ if (!parentLayer)
+ return;
+
+ if (layer()) {
+ parentLayer->removeChild(layer());
+ return;
+ }
+
+ for (RenderObject* curr = firstChild(); curr; curr = curr->nextSibling())
+ curr->removeLayers(parentLayer);
+}
+
+void RenderObject::moveLayers(RenderLayer* oldParent, RenderLayer* newParent)
+{
+ if (!newParent)
+ return;
+
+ if (layer()) {
+ if (oldParent)
+ oldParent->removeChild(layer());
+ newParent->addChild(layer());
+ return;
+ }
+
+ for (RenderObject* curr = firstChild(); curr; curr = curr->nextSibling())
+ curr->moveLayers(oldParent, newParent);
+}
+
+RenderLayer* RenderObject::findNextLayer(RenderLayer* parentLayer, RenderObject* startPoint,
+ bool checkParent)
+{
+ // Error check the parent layer passed in. If it's null, we can't find anything.
+ if (!parentLayer)
+ return 0;
+
+ // Step 1: If our layer is a child of the desired parent, then return our layer.
+ RenderLayer* ourLayer = layer();
+ if (ourLayer && ourLayer->parent() == parentLayer)
+ return ourLayer;
+
+ // Step 2: If we don't have a layer, or our layer is the desired parent, then descend
+ // into our siblings trying to find the next layer whose parent is the desired parent.
+ if (!ourLayer || ourLayer == parentLayer) {
+ for (RenderObject* curr = startPoint ? startPoint->nextSibling() : firstChild();
+ curr; curr = curr->nextSibling()) {
+ RenderLayer* nextLayer = curr->findNextLayer(parentLayer, 0, false);
+ if (nextLayer)
+ return nextLayer;
+ }
+ }
+
+ // Step 3: If our layer is the desired parent layer, then we're finished. We didn't
+ // find anything.
+ if (parentLayer == ourLayer)
+ return 0;
+
+ // Step 4: If |checkParent| is set, climb up to our parent and check its siblings that
+ // follow us to see if we can locate a layer.
+ if (checkParent && parent())
+ return parent()->findNextLayer(parentLayer, this, true);
+
+ return 0;
+}
+
+RenderLayer* RenderObject::enclosingLayer() const
+{
+ const RenderObject* curr = this;
+ while (curr) {
+ RenderLayer *layer = curr->layer();
+ if (layer)
+ return layer;
+ curr = curr->parent();
+ }
+ return 0;
+}
+
+RenderLayer* RenderObject::enclosingStackingContext() const
+{
+ RenderLayer* l = enclosingLayer();
+ while (l && !l->isStackingContext())
+ l = l->parent();
+ return l;
+}
+
+int RenderObject::offsetLeft() const
+{
+ if ( isPositioned() )
+ return xPos();
+
+ if ( isBody() && style()->htmlHacks() )
+ return 0;
+
+ int x = xPos();
+ if (isRelPositioned()) {
+ int y = 0;
+ static_cast<const RenderBox*>(this)->relativePositionOffset(x, y);
+ }
+
+ RenderObject* offsetPar = offsetParent();
+ for( RenderObject* curr = parent();
+ curr && curr != offsetPar;
+ curr = curr->parent() )
+ x += curr->xPos();
+
+ if ( offsetPar && offsetPar->isBody() && style()->htmlHacks() )
+ x += offsetPar->xPos();
+
+ return x;
+}
+
+int RenderObject::offsetTop() const
+{
+ if ( isPositioned() )
+ return yPos();
+
+ if ( isBody() && style()->htmlHacks() )
+ return 0;
+
+ int y = yPos();
+ if (isRelPositioned()) {
+ int x = 0;
+ static_cast<const RenderBox*>(this)->relativePositionOffset(x, y);
+ }
+ RenderObject* offsetPar = offsetParent();
+ for( RenderObject* curr = parent();
+ curr && curr != offsetPar;
+ curr = curr->parent() )
+ y += curr->yPos();
+
+ if ( offsetPar && offsetPar->isBody() && style()->htmlHacks() )
+ y += offsetPar->yPos();
+
+ return y;
+}
+
+RenderObject* RenderObject::offsetParent() const
+{
+ if (isBody())
+ return 0;
+
+ // can't really use containing blocks here (#113280)
+ bool skipTables = isPositioned() || isRelPositioned();
+ bool strict = !style()->htmlHacks();
+ RenderObject* curr = parent();
+ while (curr && (!curr->element() ||
+ (!curr->isPositioned() && !curr->isRelPositioned() &&
+ !(strict && skipTables ? curr->isRoot() : curr->isBody())))) {
+ if (!skipTables && curr->element() && (curr->isTableCell() || curr->isTable()))
+ break;
+ curr = curr->parent();
+ }
+ return curr;
+}
+
+// IE extensions.
+// clientWidth and clientHeight represent the interior of an object
+short RenderObject::clientWidth() const
+{
+ return width() - borderLeft() - borderRight() -
+ (layer() ? layer()->verticalScrollbarWidth() : 0);
+}
+
+int RenderObject::clientHeight() const
+{
+ return height() - borderTop() - borderBottom() -
+ (layer() ? layer()->horizontalScrollbarHeight() : 0);
+}
+
+// scrollWidth/scrollHeight is the size including the overflow area
+short RenderObject::scrollWidth() const
+{
+ return (hasOverflowClip() && layer()) ? layer()->scrollWidth() : overflowWidth() - overflowLeft();
+}
+
+int RenderObject::scrollHeight() const
+{
+ return (hasOverflowClip() && layer()) ? layer()->scrollHeight() : overflowHeight() - overflowTop();
+}
+
+bool RenderObject::hasStaticX() const
+{
+ return (style()->left().isVariable() && style()->right().isVariable());
+}
+
+bool RenderObject::hasStaticY() const
+{
+ return (style()->top().isVariable() && style()->bottom().isVariable());
+}
+
+void RenderObject::setPixmap(const TQPixmap&, const TQRect& /*r*/, CachedImage* image)
+{
+ //repaint bg when it finished loading
+ if(image && parent() && style() && style()->backgroundLayers()->containsImage(image)) {
+ isBody() ? canvas()->repaint() : repaint();
+ }
+}
+
+void RenderObject::setNeedsLayout(bool b, bool markParents)
+{
+ bool alreadyNeededLayout = m_needsLayout;
+ m_needsLayout = b;
+ if (b) {
+ if (!alreadyNeededLayout && markParents && m_parent) {
+ dirtyFormattingContext( false );
+ markContainingBlocksForLayout();
+ }
+ }
+ else {
+ m_posChildNeedsLayout = false;
+ m_normalChildNeedsLayout = false;
+ }
+}
+
+void RenderObject::setChildNeedsLayout(bool b, bool markParents)
+{
+ bool alreadyNeededLayout = m_normalChildNeedsLayout;
+ m_normalChildNeedsLayout = b;
+ if (b) {
+ if (!alreadyNeededLayout && markParents)
+ markContainingBlocksForLayout();
+ }
+ else {
+ m_posChildNeedsLayout = false;
+ m_normalChildNeedsLayout = false;
+ }
+}
+
+void RenderObject::markContainingBlocksForLayout()
+{
+ RenderObject *o = container();
+ RenderObject *last = this;
+
+ while (o) {
+ if (!last->isText() && (last->style()->position() == FIXED || last->style()->position() == ABSOLUTE)) {
+ if (o->m_posChildNeedsLayout)
+ return;
+ o->m_posChildNeedsLayout = true;
+ }
+ else {
+ if (o->m_normalChildNeedsLayout)
+ return;
+ o->m_normalChildNeedsLayout = true;
+ }
+
+ last = o;
+ o = o->container();
+ }
+
+ last->scheduleRelayout();
+}
+
+RenderBlock *RenderObject::containingBlock() const
+{
+ if(isTableCell())
+ return static_cast<RenderBlock*>( parent()->parent()->parent() );
+ if (isCanvas())
+ return const_cast<RenderBlock*>( static_cast<const RenderBlock*>(this) );
+
+ RenderObject *o = parent();
+ if(m_style->position() == FIXED) {
+ while ( o && !o->isCanvas() )
+ o = o->parent();
+ }
+ else if(m_style->position() == ABSOLUTE) {
+ while (o &&
+ ( o->style()->position() == STATIC || ( o->isInline() && !o->isReplaced() ) ) && !o->isCanvas()) {
+ // for relpos inlines, return the nearest block - it will host the positioned objects list
+ if (o->isInline() && !o->isReplaced() && o->style()->position() == RELATIVE)
+ return o->containingBlock();
+ o = o->parent();
+ }
+ } else {
+ while(o && ( ( o->isInline() && !o->isReplaced() ) || o->isTableRow() || o->isTableSection() ||
+ o->isTableCol() || o->isFrameSet() ) )
+ o = o->parent();
+ }
+ // this is just to make sure we return a valid element.
+ // the case below should never happen...
+ if(!o || !o->isRenderBlock()) {
+ if(!isCanvas()) {
+#ifndef NDEBUG
+ kdDebug( 6040 ) << this << ": " << renderName() << "(RenderObject): No containingBlock!" << endl;
+ kdDebug( 6040 ) << kdBacktrace() << endl;
+ const RenderObject* p = this;
+ while (p->parent()) p = p->parent();
+ p->printTree();
+#endif
+ }
+ return 0L;
+ }
+
+ return static_cast<RenderBlock*>( o );
+}
+
+short RenderObject::containingBlockWidth() const
+{
+ // ###
+ return containingBlock()->contentWidth();
+}
+
+int RenderObject::containingBlockHeight() const
+{
+ // ###
+ return containingBlock()->contentHeight();
+}
+
+bool RenderObject::sizesToMaxWidth() const
+{
+ // Marquees in WinIE are like a mixture of blocks and inline-blocks. They size as though they're blocks,
+ // but they allow text to sit on the same line as the marquee.
+ if (isFloating() || isCompact() ||
+ (isInlineBlockOrInlineTable() && !isHTMLMarquee()) ||
+ (element() && (element()->id() == ID_BUTTON || element()->id() == ID_LEGEND)))
+ return true;
+
+ // Children of a horizontal marquee do not fill the container by default.
+ // FIXME: Need to deal with MAUTO value properly. It could be vertical.
+ if (parent()->style()->overflowX() == OMARQUEE) {
+ EMarqueeDirection dir = parent()->style()->marqueeDirection();
+ if (dir == MAUTO || dir == MFORWARD || dir == MBACKWARD || dir == MLEFT || dir == MRIGHT)
+ return true;
+ }
+
+#ifdef APPLE_CHANGES // ### what the heck is a flexbox?
+ // Flexible horizontal boxes lay out children at their maxwidths. Also vertical boxes
+ // that don't stretch their kids lay out their children at their maxwidths.
+ if (parent()->isFlexibleBox() &&
+ (parent()->style()->boxOrient() == HORIZONTAL || parent()->style()->boxAlign() != BSTRETCH))
+ return true;
+#endif
+
+ return false;
+}
+
+// from Mozilla's nsCSSColorUtils.cpp
+static int brightness(int red, int green, int blue)
+{
+
+ int intensity = (red + green + blue) / 3;
+
+ int luminosity =
+ ((RED_LUMINOSITY * red) / 100) +
+ ((GREEN_LUMINOSITY * green) / 100) +
+ ((BLUE_LUMINOSITY * blue) / 100);
+
+ return ((intensity * INTENSITY_FACTOR) +
+ (luminosity * LUMINOSITY_FACTOR)) / 100;
+}
+
+static void calc3DColor(TQColor &color, bool darken)
+{
+ int rb = color.red();
+ int gb = color.green();
+ int bb = color.blue();
+
+ int brightness_ = brightness(rb,gb,bb);
+
+ int f0, f1;
+ if (brightness_ < COLOR_DARK_THRESHOLD) {
+ f0 = COLOR_DARK_BS_FACTOR;
+ f1 = COLOR_DARK_TS_FACTOR;
+ } else if (brightness_ > COLOR_LIGHT_THRESHOLD) {
+ f0 = COLOR_LITE_BS_FACTOR;
+ f1 = COLOR_LITE_TS_FACTOR;
+ } else {
+ f0 = COLOR_DARK_BS_FACTOR +
+ (brightness_ *
+ (COLOR_LITE_BS_FACTOR - COLOR_DARK_BS_FACTOR) / MAX_COLOR);
+ f1 = COLOR_DARK_TS_FACTOR +
+ (brightness_ *
+ (COLOR_LITE_TS_FACTOR - COLOR_DARK_TS_FACTOR) / MAX_COLOR);
+ }
+
+ if (darken) {
+ int r = rb - (f0 * rb / 100);
+ int g = gb - (f0 * gb / 100);
+ int b = bb - (f0 * bb / 100);
+ if ((r == rb) && (g == gb) && (b == bb))
+ color = (color == Qt::black) ? DARK_GRAY : Qt::black;
+ else
+ color.setRgb(r, g, b);
+ } else {
+ int r = kMin(rb + (f1 * (MAX_COLOR - rb) / 100), 255);
+ int g = kMin(gb + (f1 * (MAX_COLOR - gb) / 100), 255);
+ int b = kMin(bb + (f1 * (MAX_COLOR - bb) / 100), 255);
+ if ((r == rb) && (g == gb) && (b == bb))
+ color = (color == Qt::white) ? LIGHT_GRAY : Qt::white;
+ else
+ color.setRgb(r, g, b);
+ }
+}
+
+void RenderObject::drawBorder(TQPainter *p, int x1, int y1, int x2, int y2,
+ BorderSide s, TQColor c, const TQColor& textcolor, EBorderStyle style,
+ int adjbw1, int adjbw2, bool invalidisInvert)
+{
+ int width = (s==BSTop||s==BSBottom?y2-y1:x2-x1);
+
+ if(style == DOUBLE && width < 3)
+ style = SOLID;
+
+ if(!c.isValid()) {
+ if(invalidisInvert)
+ {
+ p->setRasterOp(TQt::XorROP);
+ c = Qt::white;
+ }
+ else {
+ if(style == INSET || style == OUTSET || style == RIDGE || style ==
+ GROOVE)
+ c = Qt::white;
+ else
+ c = textcolor;
+ }
+ }
+
+ switch(style)
+ {
+ case BNATIVE:
+ case BNONE:
+ case BHIDDEN:
+ // should not happen
+ if(invalidisInvert && p->rasterOp() == TQt::XorROP)
+ p->setRasterOp(TQt::CopyROP);
+
+ return;
+ case DOTTED:
+ if ( width == 1 ) {
+ // workaround Qt brokenness
+ p->setPen(TQPen(c, width, Qt::SolidLine));
+ switch(s) {
+ case BSBottom:
+ case BSTop:
+ for ( ; x1 < x2; x1 += 2 )
+ p->drawPoint( x1, y1 );
+ break;
+ case BSRight:
+ case BSLeft:
+ for ( ; y1 < y2; y1 += 2 )
+ p->drawPoint( x1, y1 );
+ }
+ break;
+ }
+
+ p->setPen(TQPen(c, width, Qt::DotLine));
+ /* nobreak; */
+ case DASHED:
+ if(style == DASHED)
+ p->setPen(TQPen(c, width == 1 ? 0 : width, width == 1 ? Qt::DotLine : Qt::DashLine));
+
+ if (width > 0)
+ switch(s) {
+ case BSBottom:
+ case BSTop:
+ p->drawLine(x1, (y1+y2)/2, x2, (y1+y2)/2);
+ break;
+ case BSRight:
+ case BSLeft:
+ p->drawLine((x1+x2)/2, y1, (x1+x2)/2, y2);
+ break;
+ }
+
+ break;
+ case DOUBLE:
+ {
+ int third = (width+1)/3;
+
+ if (adjbw1 == 0 && adjbw2 == 0)
+ {
+ p->setPen(Qt::NoPen);
+ p->setBrush(c);
+ switch(s)
+ {
+ case BSTop:
+ case BSBottom:
+ p->drawRect(x1, y1 , x2-x1, third);
+ p->drawRect(x1, y2-third, x2-x1, third);
+ break;
+ case BSLeft:
+ p->drawRect(x1 , y1+1, third, y2-y1-1);
+ p->drawRect(x2-third, y1+1, third, y2-y1-1);
+ break;
+ case BSRight:
+ p->drawRect(x1 , y1+1, third, y2-y1-1);
+ p->drawRect(x2-third, y1+1, third, y2-y1-1);
+ break;
+ }
+ }
+ else
+ {
+ int adjbw1bigthird;
+ if (adjbw1>0) adjbw1bigthird = adjbw1+1;
+ else adjbw1bigthird = adjbw1 - 1;
+ adjbw1bigthird /= 3;
+
+ int adjbw2bigthird;
+ if (adjbw2>0) adjbw2bigthird = adjbw2 + 1;
+ else adjbw2bigthird = adjbw2 - 1;
+ adjbw2bigthird /= 3;
+
+ switch(s)
+ {
+ case BSTop:
+ drawBorder(p, x1+kMax((-adjbw1*2+1)/3,0), y1 , x2-kMax((-adjbw2*2+1)/3,0), y1 + third, s, c, textcolor, SOLID, adjbw1bigthird, adjbw2bigthird);
+ drawBorder(p, x1+kMax(( adjbw1*2+1)/3,0), y2 - third, x2-kMax(( adjbw2*2+1)/3,0), y2 , s, c, textcolor, SOLID, adjbw1bigthird, adjbw2bigthird);
+ break;
+ case BSLeft:
+ drawBorder(p, x1 , y1+kMax((-adjbw1*2+1)/3,0), x1+third, y2-kMax((-adjbw2*2+1)/3,0), s, c, textcolor, SOLID, adjbw1bigthird, adjbw2bigthird);
+ drawBorder(p, x2 - third, y1+kMax(( adjbw1*2+1)/3,0), x2 , y2-kMax(( adjbw2*2+1)/3,0), s, c, textcolor, SOLID, adjbw1bigthird, adjbw2bigthird);
+ break;
+ case BSBottom:
+ drawBorder(p, x1+kMax(( adjbw1*2+1)/3,0), y1 , x2-kMax(( adjbw2*2+1)/3,0), y1+third, s, c, textcolor, SOLID, adjbw1bigthird, adjbw2bigthird);
+ drawBorder(p, x1+kMax((-adjbw1*2+1)/3,0), y2-third, x2-kMax((-adjbw2*2+1)/3,0), y2 , s, c, textcolor, SOLID, adjbw1bigthird, adjbw2bigthird);
+ break;
+ case BSRight:
+ drawBorder(p, x1 , y1+kMax(( adjbw1*2+1)/3,0), x1+third, y2-kMax(( adjbw2*2+1)/3,0), s, c, textcolor, SOLID, adjbw1bigthird, adjbw2bigthird);
+ drawBorder(p, x2-third, y1+kMax((-adjbw1*2+1)/3,0), x2 , y2-kMax((-adjbw2*2+1)/3,0), s, c, textcolor, SOLID, adjbw1bigthird, adjbw2bigthird);
+ break;
+ default:
+ break;
+ }
+ }
+ break;
+ }
+ case RIDGE:
+ case GROOVE:
+ {
+ EBorderStyle s1;
+ EBorderStyle s2;
+ if (style==GROOVE)
+ {
+ s1 = INSET;
+ s2 = OUTSET;
+ }
+ else
+ {
+ s1 = OUTSET;
+ s2 = INSET;
+ }
+
+ int adjbw1bighalf;
+ int adjbw2bighalf;
+ if (adjbw1>0) adjbw1bighalf=adjbw1+1;
+ else adjbw1bighalf=adjbw1-1;
+ adjbw1bighalf/=2;
+
+ if (adjbw2>0) adjbw2bighalf=adjbw2+1;
+ else adjbw2bighalf=adjbw2-1;
+ adjbw2bighalf/=2;
+
+ switch (s)
+ {
+ case BSTop:
+ drawBorder(p, x1+kMax(-adjbw1 ,0)/2, y1 , x2-kMax(-adjbw2,0)/2, (y1+y2+1)/2, s, c, textcolor, s1, adjbw1bighalf, adjbw2bighalf);
+ drawBorder(p, x1+kMax( adjbw1+1,0)/2, (y1+y2+1)/2, x2-kMax( adjbw2+1,0)/2, y2 , s, c, textcolor, s2, adjbw1/2, adjbw2/2);
+ break;
+ case BSLeft:
+ drawBorder(p, x1 , y1+kMax(-adjbw1 ,0)/2, (x1+x2+1)/2, y2-kMax(-adjbw2,0)/2, s, c, textcolor, s1, adjbw1bighalf, adjbw2bighalf);
+ drawBorder(p, (x1+x2+1)/2, y1+kMax( adjbw1+1,0)/2, x2 , y2-kMax( adjbw2+1,0)/2, s, c, textcolor, s2, adjbw1/2, adjbw2/2);
+ break;
+ case BSBottom:
+ drawBorder(p, x1+kMax( adjbw1 ,0)/2, y1 , x2-kMax( adjbw2,0)/2, (y1+y2+1)/2, s, c, textcolor, s2, adjbw1bighalf, adjbw2bighalf);
+ drawBorder(p, x1+kMax(-adjbw1+1,0)/2, (y1+y2+1)/2, x2-kMax(-adjbw2+1,0)/2, y2 , s, c, textcolor, s1, adjbw1/2, adjbw2/2);
+ break;
+ case BSRight:
+ drawBorder(p, x1 , y1+kMax( adjbw1 ,0)/2, (x1+x2+1)/2, y2-kMax( adjbw2,0)/2, s, c, textcolor, s2, adjbw1bighalf, adjbw2bighalf);
+ drawBorder(p, (x1+x2+1)/2, y1+kMax(-adjbw1+1,0)/2, x2 , y2-kMax(-adjbw2+1,0)/2, s, c, textcolor, s1, adjbw1/2, adjbw2/2);
+ break;
+ }
+ break;
+ }
+ case INSET:
+ case OUTSET:
+ calc3DColor(c, (style == OUTSET && (s == BSBottom || s == BSRight)) ||
+ (style == INSET && ( s == BSTop || s == BSLeft ) ) );
+ /* nobreak; */
+ case SOLID:
+ p->setPen(Qt::NoPen);
+ p->setBrush(c);
+ Q_ASSERT(x2>=x1);
+ Q_ASSERT(y2>=y1);
+ if (adjbw1==0 && adjbw2 == 0) {
+ p->drawRect(x1,y1,x2-x1,y2-y1);
+ return;
+ }
+ TQPointArray quad(4);
+ switch(s) {
+ case BSTop:
+ quad.setPoints(4,
+ x1+kMax(-adjbw1,0), y1,
+ x1+kMax( adjbw1,0), y2,
+ x2-kMax( adjbw2,0), y2,
+ x2-kMax(-adjbw2,0), y1);
+ break;
+ case BSBottom:
+ quad.setPoints(4,
+ x1+kMax( adjbw1,0), y1,
+ x1+kMax(-adjbw1,0), y2,
+ x2-kMax(-adjbw2,0), y2,
+ x2-kMax( adjbw2,0), y1);
+ break;
+ case BSLeft:
+ quad.setPoints(4,
+ x1, y1+kMax(-adjbw1,0),
+ x1, y2-kMax(-adjbw2,0),
+ x2, y2-kMax( adjbw2,0),
+ x2, y1+kMax( adjbw1,0));
+ break;
+ case BSRight:
+ quad.setPoints(4,
+ x1, y1+kMax( adjbw1,0),
+ x1, y2-kMax( adjbw2,0),
+ x2, y2-kMax(-adjbw2,0),
+ x2, y1+kMax(-adjbw1,0));
+ break;
+ }
+ p->drawConvexPolygon(quad);
+ break;
+ }
+
+ if(invalidisInvert && p->rasterOp() == TQt::XorROP)
+ p->setRasterOp(TQt::CopyROP);
+}
+
+void RenderObject::paintBorder(TQPainter *p, int _tx, int _ty, int w, int h, const RenderStyle* style, bool begin, bool end)
+{
+ const TQColor& tc = style->borderTopColor();
+ const TQColor& bc = style->borderBottomColor();
+ const TQColor& lc = style->borderLeftColor();
+ const TQColor& rc = style->borderRightColor();
+
+ bool tt = style->borderTopIsTransparent();
+ bool bt = style->borderBottomIsTransparent();
+ bool rt = style->borderRightIsTransparent();
+ bool lt = style->borderLeftIsTransparent();
+
+ EBorderStyle ts = style->borderTopStyle();
+ EBorderStyle bs = style->borderBottomStyle();
+ EBorderStyle ls = style->borderLeftStyle();
+ EBorderStyle rs = style->borderRightStyle();
+
+ bool render_t = ts > BHIDDEN && !tt;
+ bool render_l = ls > BHIDDEN && begin && !lt;
+ bool render_r = rs > BHIDDEN && end && !rt;
+ bool render_b = bs > BHIDDEN && !bt;
+
+ if(render_t) {
+ bool ignore_left =
+ (tc == lc) && (tt == lt) &&
+ (ts >= OUTSET) &&
+ (ls == DOTTED || ls == DASHED || ls == SOLID || ls == OUTSET);
+
+ bool ignore_right =
+ (tc == rc) && (tt == rt) &&
+ (ts >= OUTSET) &&
+ (rs == DOTTED || rs == DASHED || rs == SOLID || rs == INSET);
+
+ drawBorder(p, _tx, _ty, _tx + w, _ty + style->borderTopWidth(), BSTop, tc, style->color(), ts,
+ ignore_left?0:style->borderLeftWidth(),
+ ignore_right?0:style->borderRightWidth());
+ }
+
+ if(render_b) {
+ bool ignore_left =
+ (bc == lc) && (bt == lt) &&
+ (bs >= OUTSET) &&
+ (ls == DOTTED || ls == DASHED || ls == SOLID || ls == OUTSET);
+
+ bool ignore_right =
+ (bc == rc) && (bt == rt) &&
+ (bs >= OUTSET) &&
+ (rs == DOTTED || rs == DASHED || rs == SOLID || rs == INSET);
+
+ drawBorder(p, _tx, _ty + h - style->borderBottomWidth(), _tx + w, _ty + h, BSBottom, bc, style->color(), bs,
+ ignore_left?0:style->borderLeftWidth(),
+ ignore_right?0:style->borderRightWidth());
+ }
+
+ if(render_l)
+ {
+ bool ignore_top =
+ (tc == lc) && (tt == lt) &&
+ (ls >= OUTSET) &&
+ (ts == DOTTED || ts == DASHED || ts == SOLID || ts == OUTSET);
+
+ bool ignore_bottom =
+ (bc == lc) && (bt == lt) &&
+ (ls >= OUTSET) &&
+ (bs == DOTTED || bs == DASHED || bs == SOLID || bs == INSET);
+
+ drawBorder(p, _tx, _ty, _tx + style->borderLeftWidth(), _ty + h, BSLeft, lc, style->color(), ls,
+ ignore_top?0:style->borderTopWidth(),
+ ignore_bottom?0:style->borderBottomWidth());
+ }
+
+ if(render_r)
+ {
+ bool ignore_top =
+ (tc == rc) && (tt == rt) &&
+ (rs >= DOTTED || rs == INSET) &&
+ (ts == DOTTED || ts == DASHED || ts == SOLID || ts == OUTSET);
+
+ bool ignore_bottom =
+ (bc == rc) && (bt == rt) &&
+ (rs >= DOTTED || rs == INSET) &&
+ (bs == DOTTED || bs == DASHED || bs == SOLID || bs == INSET);
+
+ drawBorder(p, _tx + w - style->borderRightWidth(), _ty, _tx + w, _ty + h, BSRight, rc, style->color(), rs,
+ ignore_top?0:style->borderTopWidth(),
+ ignore_bottom?0:style->borderBottomWidth());
+ }
+}
+
+void RenderObject::paintOutline(TQPainter *p, int _tx, int _ty, int w, int h, const RenderStyle* style)
+{
+ int ow = style->outlineWidth();
+ if(!ow) return;
+
+ const TQColor& oc = style->outlineColor();
+ EBorderStyle os = style->outlineStyle();
+ int offset = style->outlineOffset();
+
+#ifdef APPLE_CHANGES
+ if (style->outlineStyleIsAuto()) {
+ p->initFocusRing(ow, offset, oc);
+ addFocusRingRects(p, _tx, _ty);
+ p->drawFocusRing();
+ p->clearFocusRing();
+ return;
+ }
+#endif
+
+ _tx -= offset;
+ _ty -= offset;
+ w += 2*offset;
+ h += 2*offset;
+
+ drawBorder(p, _tx-ow, _ty-ow, _tx, _ty+h+ow, BSLeft,
+ TQColor(oc), style->color(),
+ os, ow, ow, true);
+
+ drawBorder(p, _tx-ow, _ty-ow, _tx+w+ow, _ty, BSTop,
+ TQColor(oc), style->color(),
+ os, ow, ow, true);
+
+ drawBorder(p, _tx+w, _ty-ow, _tx+w+ow, _ty+h+ow, BSRight,
+ TQColor(oc), style->color(),
+ os, ow, ow, true);
+
+ drawBorder(p, _tx-ow, _ty+h, _tx+w+ow, _ty+h+ow, BSBottom,
+ TQColor(oc), style->color(),
+ os, ow, ow, true);
+
+}
+
+void RenderObject::paint( PaintInfo&, int /*tx*/, int /*ty*/)
+{
+}
+
+void RenderObject::repaintRectangle(int x, int y, int w, int h, Priority p, bool f)
+{
+ if(parent()) parent()->repaintRectangle(x, y, w, h, p, f);
+}
+
+#ifdef ENABLE_DUMP
+
+TQString RenderObject::information() const
+{
+ TQString str;
+ int x; int y;
+ absolutePosition(x,y);
+ x += inlineXPos();
+ y += inlineYPos();
+ TQTextStream ts( &str, IO_WriteOnly );
+ ts << renderName()
+ << "(" << (style() ? style()->refCount() : 0) << ")"
+ << ": " << (void*)this << " ";
+ ts << "{" << x << " " << y << "} ";
+ if (isInline()) ts << "il ";
+ if (childrenInline()) ts << "ci ";
+ if (isFloating()) ts << "fl ";
+ if (isAnonymous()) ts << "an ";
+ if (isRelPositioned()) ts << "rp ";
+ if (isPositioned()) ts << "ps ";
+ if (isReplaced()) ts << "rp ";
+ if (overhangingContents()) ts << "oc ";
+ if (needsLayout()) ts << "nl ";
+ if (minMaxKnown()) ts << "mmk ";
+ if (m_recalcMinMax) ts << "rmm ";
+ if (mouseInside()) ts << "mi ";
+ if (style() && style()->zIndex()) ts << "zI: " << style()->zIndex();
+ if (style() && style()->hasAutoZIndex()) ts << "zI: auto ";
+ if (element()) {
+ if (element()->active()) ts << "act ";
+ if (element()->hasAnchor()) ts << "anchor ";
+ if (element()->focused()) ts << "focus ";
+ ts << " <" << getTagName(element()->id()) << ">";
+
+ } else if (isPseudoAnonymous() && style() && style()->styleType() != RenderStyle::NOPSEUDO) {
+ ts << " <" << getTagName(node()->id());
+ TQString pseudo;
+ switch (style()->styleType()) {
+ case RenderStyle::FIRST_LETTER:
+ pseudo = ":first-letter"; break;
+ case RenderStyle::BEFORE:
+ pseudo = ":before"; break;
+ case RenderStyle::AFTER:
+ pseudo = ":after"; break;
+ default:
+ pseudo = ":pseudo-element";
+ }
+ ts << pseudo;
+ ts << ">";
+ }
+ ts << " (" << xPos() << "," << yPos() << "," << width() << "," << height() << ")"
+ << " [" << minWidth() << "-" << maxWidth() << "]"
+ << " { mT: " << marginTop() << " qT: " << isTopMarginQuirk()
+ << " mB: " << marginBottom() << " qB: " << isBottomMarginQuirk()
+ << "}"
+ << (isTableCell() ?
+ ( TQString::fromLatin1(" [r=") +
+ TQString::number( static_cast<const RenderTableCell *>(this)->row() ) +
+ TQString::fromLatin1(" c=") +
+ TQString::number( static_cast<const RenderTableCell *>(this)->col() ) +
+ TQString::fromLatin1(" rs=") +
+ TQString::number( static_cast<const RenderTableCell *>(this)->rowSpan() ) +
+ TQString::fromLatin1(" cs=") +
+ TQString::number( static_cast<const RenderTableCell *>(this)->colSpan() ) +
+ TQString::fromLatin1("]") ) : TQString::null );
+ if ( layer() )
+ ts << " layer=" << layer();
+ if ( continuation() )
+ ts << " continuation=" << continuation();
+ if (isText())
+ ts << " \"" << TQConstString(static_cast<const RenderText *>(this)->text(), kMin(static_cast<const RenderText *>(this)->length(), 10u)).string() << "\"";
+ return str;
+}
+
+void RenderObject::printTree(int indent) const
+{
+ TQString ind;
+ ind.fill(' ', indent);
+
+ kdDebug() << ind << information() << endl;
+
+ RenderObject *child = firstChild();
+ while( child != 0 )
+ {
+ child->printTree(indent+2);
+ child = child->nextSibling();
+ }
+}
+
+static TQTextStream &operator<<(TQTextStream &ts, const TQRect &r)
+{
+ return ts << "at (" << r.x() << "," << r.y() << ") size " << r.width() << "x" << r.height();
+}
+
+//A bit like getTagName, but handles XML, too.
+static TQString lookupTagName(NodeImpl* node) {
+ return node->getDocument()->getName(NodeImpl::ElementId, node->id()).string();
+}
+
+void RenderObject::dump(TQTextStream &ts, const TQString &ind) const
+{
+ if ( !layer() )
+ ts << endl;
+
+ ts << ind << renderName();
+
+ if (style() && style()->zIndex()) {
+ ts << " zI: " << style()->zIndex();
+ }
+
+ if (element()) {
+ TQString tagName(lookupTagName(element()));
+ if (!tagName.isEmpty()) {
+ ts << " {" << tagName << "}";
+ }
+ } else if (isPseudoAnonymous() && style() && style()->styleType() != RenderStyle::NOPSEUDO) {
+ TQString pseudo;
+ TQString tagName(lookupTagName(node()));
+ switch (style()->styleType()) {
+ case RenderStyle::FIRST_LETTER:
+ pseudo = ":first-letter"; break;
+ case RenderStyle::BEFORE:
+ pseudo = ":before"; break;
+ case RenderStyle::AFTER:
+ pseudo = ":after"; break;
+ default:
+ pseudo = ":pseudo-element";
+ }
+ ts << " {" << tagName << pseudo << "}";
+ }
+
+ TQRect r(xPos(), yPos(), width(), height());
+ ts << " " << r;
+
+ if ( parent() )
+ ts << style()->createDiff( *parent()->style() );
+
+ if (isAnonymous()) { ts << " anonymousBox"; }
+ if (isFloating()) { ts << " floating"; }
+ if (isPositioned()) { ts << " positioned"; }
+ if (isRelPositioned()) { ts << " relPositioned"; }
+ if (isText()) { ts << " text"; }
+ if (isInline()) { ts << " inline"; }
+ if (isReplaced()) { ts << " replaced"; }
+ if (shouldPaintBackgroundOrBorder()) { ts << " paintBackground"; }
+ if (needsLayout()) { ts << " needsLayout"; }
+ if (minMaxKnown()) { ts << " minMaxKnown"; }
+ if (overhangingContents()) { ts << " overhangingContents"; }
+ if (hasFirstLine()) { ts << " hasFirstLine"; }
+ if (afterPageBreak()) { ts << " afterPageBreak"; }
+}
+#endif
+
+void RenderObject::selectionStartEnd(int& spos, int& epos)
+{
+ if (parent())
+ parent()->selectionStartEnd(spos, epos);
+}
+
+void RenderObject::setStyle(RenderStyle *style)
+{
+ if (m_style == style)
+ return;
+
+ RenderStyle::Diff d = m_style ? m_style->diff( style ) : RenderStyle::Layout;
+ //tqDebug("m_style: %p new style, diff=%d", m_style, d);
+
+ Priority pri = NormalPriority;
+ if (m_style) {
+ pri = HighPriority;
+ if ( d >= RenderStyle::Visible && !isText() && m_parent &&
+ ( d == RenderStyle::Position ||
+ m_style->outlineWidth() > style->outlineWidth() ||
+ (!m_style->hidesOverflow() && style->hidesOverflow()) ||
+ ( m_style->hasClip() && !(m_style->clip() == style->clip()) ) ) ) {
+ // schedule a repaint with the old style
+ if (layer() && !isInlineFlow())
+ layer()->repaint(pri);
+ else
+ repaint(pri);
+ }
+
+ if ( ( isFloating() && m_style->floating() != style->floating() ) ||
+ ( isPositioned() && m_style->position() != style->position() &&
+ style->position() != ABSOLUTE && style->position() != FIXED ) )
+ removeFromObjectLists();
+
+ if ( layer() ) {
+ if ( ( m_style->hasAutoZIndex() != style->hasAutoZIndex() ||
+ m_style->zIndex() != style->zIndex() ||
+ m_style->visibility() != style->visibility() ) ) {
+ layer()->stackingContext()->dirtyZOrderLists();
+ layer()->dirtyZOrderLists();
+ }
+ }
+
+ // reset style flags
+ m_floating = false;
+ m_positioned = false;
+ m_relPositioned = false;
+ m_paintBackground = false;
+ m_hasOverflowClip = false;
+ }
+
+ // only honour z-index for non-static objects
+ // ### and objects with opacity
+ if ( style->position() == STATIC ) {
+ if ( isRoot() )
+ style->setZIndex( 0 );
+ else
+ style->setHasAutoZIndex();
+ }
+
+ RenderStyle *oldStyle = m_style;
+ m_style = style;
+
+ updateBackgroundImages(oldStyle);
+
+ m_style->ref();
+
+ if (oldStyle)
+ oldStyle->deref();
+
+ setShouldPaintBackgroundOrBorder(m_style->hasBorder() || m_style->hasBackground());
+
+ m_hasFirstLine = (style->getPseudoStyle(RenderStyle::FIRST_LINE) != 0);
+ if (m_parent) {
+ if (d == RenderStyle::Position && !attemptDirectLayerTranslation())
+ d = RenderStyle::Layout;
+
+ if ( d > RenderStyle::Position) {
+ // we must perform a full layout
+ if (!isText() && d == RenderStyle::CbLayout) {
+ dirtyFormattingContext( true );
+ }
+ setNeedsLayoutAndMinMaxRecalc();
+ } else if (!isText() && d >= RenderStyle::Visible) {
+ // a repaint is enough
+ if (layer()) {
+ if (canvas() && canvas()->needsWidgetMasks()) {
+ // update our widget masks
+ RenderLayer *p, *d = 0;
+ for (p=layer()->parent();p;p=p->parent())
+ if (p->hasOverlaidWidgets()) d=p;
+ if (d) // deepest
+ d->updateWidgetMasks( canvas()->layer() );
+ }
+ }
+ if (layer() && !isInlineFlow())
+ layer()->repaint(pri);
+ else
+ repaint(pri);
+ }
+ }
+}
+
+bool RenderObject::attemptDirectLayerTranslation()
+{
+ // When the difference between two successive styles is only 'Position'
+ // we may attempt to save a layout by directly updating the object position.
+
+ KHTMLAssert( m_style->position() != STATIC );
+ if (!layer())
+ return false;
+ setInline(m_style->isDisplayInlineType());
+ setPositioned(m_style->position() != RELATIVE);
+ setRelPositioned(m_style->position() == RELATIVE);
+ int oldXPos = xPos();
+ int oldYPos = yPos();
+ int oldWidth = width();
+ int oldHeight = height();
+ calcWidth();
+ calcHeight();
+ if (oldWidth != width() || oldHeight != height()) {
+ // implicit size change or overconstrained dimensions:
+ // we'll need a layout.
+ setWidth(oldWidth);
+ setHeight(oldHeight);
+ // kdDebug() << "Layer translation failed for " << information() << endl;
+ return false;
+ }
+ layer()->updateLayerPosition();
+ if (m_style->position() != FIXED) {
+ bool needsDocSizeUpdate = true;
+ RenderObject *cb = container();
+ while (cb) {
+ if (cb->hasOverflowClip() && cb->layer()) {
+ cb->layer()->checkScrollbarsAfterLayout();
+ needsDocSizeUpdate = false;
+ break;
+ }
+ cb = cb->container();
+ }
+ if (needsDocSizeUpdate && canvas()) {
+ bool posXOffset = (xPos()-oldXPos >= 0);
+ bool posYOffset = (yPos()-oldYPos >= 0);
+ canvas()->updateDocSizeAfterLayerTranslation(this, posXOffset, posYOffset);
+ }
+ }
+ // success
+ return true;
+}
+
+void RenderObject::dirtyFormattingContext( bool checkContainer )
+{
+ if (m_markedForRepaint && !checkContainer)
+ return;
+ m_markedForRepaint = true;
+ if (layer() && (style()->position() == FIXED || style()->position() == ABSOLUTE))
+ return;
+ if (m_parent && (checkContainer || style()->width().isVariable() || style()->height().isVariable() ||
+ !(isFloating() || flowAroundFloats() || isTableCell())))
+ m_parent->dirtyFormattingContext(false);
+}
+
+void RenderObject::repaintDuringLayout()
+{
+ if (canvas()->needsFullRepaint() || isText())
+ return;
+ if (layer() && !isInlineFlow()) {
+ layer()->repaint( NormalPriority, true );
+ } else {
+ repaint();
+ canvas()->deferredRepaint( this );
+ }
+}
+
+void RenderObject::setOverhangingContents(bool p)
+{
+ if (m_overhangingContents == p)
+ return;
+
+ RenderBlock *cb = containingBlock();
+ if (p)
+ {
+ m_overhangingContents = true;
+ KHTMLAssert( cb != this || isCanvas());
+ if (cb && cb != this)
+ cb->setOverhangingContents();
+ }
+ else
+ {
+ RenderObject *n;
+ bool c=false;
+
+ for( n = firstChild(); n != 0; n = n->nextSibling() )
+ {
+ if (n->isPositioned() || n->overhangingContents())
+ c=true;
+ }
+
+ if (c)
+ return;
+ else
+ {
+ m_overhangingContents = false;
+ KHTMLAssert( cb != this );
+ if (cb && cb != this)
+ cb->setOverhangingContents(false);
+ }
+ }
+}
+
+void RenderObject::updateBackgroundImages(RenderStyle* oldStyle)
+{
+ // FIXME: This will be slow when a large number of images is used. Fix by using a dict.
+ const BackgroundLayer* oldLayers = oldStyle ? oldStyle->backgroundLayers() : 0;
+ const BackgroundLayer* newLayers = m_style ? m_style->backgroundLayers() : 0;
+ for (const BackgroundLayer* currOld = oldLayers; currOld; currOld = currOld->next()) {
+ if (currOld->backgroundImage() && (!newLayers || !newLayers->containsImage(currOld->backgroundImage())))
+ currOld->backgroundImage()->deref(this);
+ }
+ for (const BackgroundLayer* currNew = newLayers; currNew; currNew = currNew->next()) {
+ if (currNew->backgroundImage() && (!oldLayers || !oldLayers->containsImage(currNew->backgroundImage())))
+ currNew->backgroundImage()->ref(this);
+ }
+}
+
+TQRect RenderObject::viewRect() const
+{
+ return containingBlock()->viewRect();
+}
+
+bool RenderObject::absolutePosition(int &xPos, int &yPos, bool f) const
+{
+ RenderObject* p = parent();
+ if (p) {
+ p->absolutePosition(xPos, yPos, f);
+ if ( p->hasOverflowClip() )
+ p->layer()->subtractScrollOffset( xPos, yPos );
+ return true;
+ }
+ else
+ {
+ xPos = yPos = 0;
+ return false;
+ }
+}
+
+void RenderObject::caretPos(int /*offset*/, int /*flags*/, int &_x, int &_y, int &width, int &height)
+{
+ _x = _y = height = -1;
+ width = 1; // the caret has a default width of one pixel. If you want
+ // to check for validity, only test the x-coordinate for >= 0.
+}
+
+int RenderObject::paddingTop() const
+{
+ int w = 0;
+ Length padding = m_style->paddingTop();
+ if (padding.isPercent())
+ w = containingBlock()->contentWidth();
+ w = padding.minWidth(w);
+ if ( isTableCell() && padding.isVariable() )
+ w = static_cast<const RenderTableCell *>(this)->table()->cellPadding();
+ return w;
+}
+
+int RenderObject::paddingBottom() const
+{
+ int w = 0;
+ Length padding = style()->paddingBottom();
+ if (padding.isPercent())
+ w = containingBlock()->contentWidth();
+ w = padding.minWidth(w);
+ if ( isTableCell() && padding.isVariable() )
+ w = static_cast<const RenderTableCell *>(this)->table()->cellPadding();
+ return w;
+}
+
+int RenderObject::paddingLeft() const
+{
+ int w = 0;
+ Length padding = style()->paddingLeft();
+ if (padding.isPercent())
+ w = containingBlock()->contentWidth();
+ w = padding.minWidth(w);
+ if ( isTableCell() && padding.isVariable() )
+ w = static_cast<const RenderTableCell *>(this)->table()->cellPadding();
+ return w;
+}
+
+int RenderObject::paddingRight() const
+{
+ int w = 0;
+ Length padding = style()->paddingRight();
+ if (padding.isPercent())
+ w = containingBlock()->contentWidth();
+ w = padding.minWidth(w);
+ if ( isTableCell() && padding.isVariable() )
+ w = static_cast<const RenderTableCell *>(this)->table()->cellPadding();
+ return w;
+}
+
+RenderObject *RenderObject::container() const
+{
+ // This method is extremely similar to containingBlock(), but with a few notable
+ // exceptions.
+ // (1) It can be used on orphaned subtrees, i.e., it can be called safely even when
+ // the object is not part of the primary document subtree yet.
+ // (2) For normal flow elements, it just returns the parent.
+ // (3) For absolute positioned elements, it will return a relative positioned inline.
+ // containingBlock() simply skips relpositioned inlines and lets an enclosing block handle
+ // the layout of the positioned object. This does mean that calcAbsoluteHorizontal and
+ // calcAbsoluteVertical have to use container().
+ EPosition pos = m_style->position();
+ RenderObject *o = 0;
+ if( pos == FIXED ) {
+ // container() can be called on an object that is not in the
+ // tree yet. We don't call canvas() since it will assert if it
+ // can't get back to the canvas. Instead we just walk as high up
+ // as we can. If we're in the tree, we'll get the root. If we
+ // aren't we'll get the root of our little subtree (most likely
+ // we'll just return 0).
+ o = parent();
+ while ( o && o->parent() ) o = o->parent();
+ }
+ else if ( pos == ABSOLUTE ) {
+ // Same goes here. We technically just want our containing block, but
+ // we may not have one if we're part of an uninstalled subtree. We'll
+ // climb as high as we can though.
+ o = parent();
+ while (o && o->style()->position() == STATIC && !o->isCanvas())
+ o = o->parent();
+ }
+ else
+ o = parent();
+ return o;
+}
+
+DOM::DocumentImpl* RenderObject::document() const
+{
+ return m_node->getDocument();
+}
+
+void RenderObject::remove()
+{
+ if ( parent() )
+ //have parent, take care of the tree integrity
+ parent()->removeChild(this);
+}
+
+void RenderObject::removeFromObjectLists()
+{
+ // in destruction mode, don't care.
+ if ( !document()->renderer() ) return;
+
+ if (isFloating()) {
+ RenderBlock* outermostBlock = containingBlock();
+ for (RenderBlock* p = outermostBlock; p && !p->isCanvas() && p->containsFloat(this);) {
+ outermostBlock = p;
+ if (p->isFloatingOrPositioned())
+ break;
+ p = p->containingBlock();
+ }
+
+ if (outermostBlock)
+ outermostBlock->markAllDescendantsWithFloatsForLayout(this);
+ }
+
+ if (isPositioned()) {
+ RenderObject *p;
+ for (p = parent(); p; p = p->parent()) {
+ if (p->isRenderBlock())
+ static_cast<RenderBlock*>(p)->removePositionedObject(this);
+ }
+ }
+}
+
+RenderArena* RenderObject::renderArena() const
+{
+ return m_node->getDocument()->renderArena();
+}
+
+void RenderObject::detach()
+{
+ detachCounters();
+
+ deleteInlineBoxes();
+ remove();
+
+ // make sure our DOM-node don't think we exist
+ if ( node() && node()->renderer() == this)
+ node()->setRenderer(0);
+
+ // by default no refcounting
+ arenaDelete(renderArena(), this);
+}
+
+void RenderObject::arenaDelete(RenderArena *arena, void *base)
+{
+#ifndef NDEBUG
+ void *savedBase = baseOfRenderObjectBeingDeleted;
+ baseOfRenderObjectBeingDeleted = base;
+#endif
+ delete this;
+#ifndef NDEBUG
+ baseOfRenderObjectBeingDeleted = savedBase;
+#endif
+
+ // Recover the size left there for us by operator delete and free the memory.
+ arena->free(*(size_t *)base, base);
+}
+
+void RenderObject::arenaDelete(RenderArena *arena)
+{
+ // static_cast unfortunately doesn't work, since we multiple inherit
+ // in eg. RenderWidget.
+ arenaDelete(arena, dynamic_cast<void *>(this));
+}
+
+FindSelectionResult RenderObject::checkSelectionPoint( int _x, int _y, int _tx, int _ty, DOM::NodeImpl*& node, int & offset, SelPointState &state )
+{
+#if 0
+ NodeInfo info(true, false);
+ if ( nodeAtPoint( info, _x, _y, _tx, _ty ) && info.innerNode() )
+ {
+ RenderObject* r = info.innerNode()->renderer();
+ if ( r ) {
+ if ( r == this ) {
+ node = info.innerNode();
+ offset = 0; // we have no text...
+ return SelectionPointInside;
+ }
+ else
+ return r->checkSelectionPoint( _x, _y, _tx, _ty, node, offset, state );
+ }
+ }
+ //kdDebug(6030) << "nodeAtPoint Failed. Fallback - hmm, SelectionPointAfter" << endl;
+ node = 0;
+ offset = 0;
+ return SelectionPointAfter;
+#endif
+ int off = offset;
+ DOM::NodeImpl* nod = node;
+
+ for (RenderObject *child = firstChild(); child; child=child->nextSibling()) {
+ // ignore empty text boxes, they produce totally bogus information
+ // for caret navigation (LS)
+ if (child->isText() && !static_cast<RenderText *>(child)->inlineTextBoxCount())
+ continue;
+
+// kdDebug(6040) << "iterating " << (child ? child->renderName() : "") << "@" << child << (child->isText() ? " contains: \"" + TQConstString(static_cast<RenderText *>(child)->text(), kMin(static_cast<RenderText *>(child)->length(), 10u)).string() + "\"" : TQString::null) << endl;
+// kdDebug(6040) << "---------- checkSelectionPoint recursive -----------" << endl;
+ tdehtml::FindSelectionResult pos = child->checkSelectionPoint(_x, _y, _tx+xPos(), _ty+yPos(), nod, off, state);
+// kdDebug(6040) << "-------- end checkSelectionPoint recursive ---------" << endl;
+// kdDebug(6030) << this << " child->findSelectionNode returned result=" << pos << " nod=" << nod << " off=" << off << endl;
+ switch(pos) {
+ case SelectionPointBeforeInLine:
+ case SelectionPointInside:
+ //kdDebug(6030) << "RenderObject::checkSelectionPoint " << this << " returning SelectionPointInside offset=" << offset << endl;
+ node = nod;
+ offset = off;
+ return SelectionPointInside;
+ case SelectionPointBefore:
+ //x,y is before this element -> stop here
+ if ( state.m_lastNode ) {
+ node = state.m_lastNode;
+ offset = state.m_lastOffset;
+ //kdDebug(6030) << "RenderObject::checkSelectionPoint " << this << " before this child "
+ // << node << "-> returning SelectionPointInside, offset=" << offset << endl;
+ return SelectionPointInside;
+ } else {
+ node = nod;
+ offset = off;
+ //kdDebug(6030) << "RenderObject::checkSelectionPoint " << this << " before us -> returning SelectionPointBefore " << node << "/" << offset << endl;
+ return SelectionPointBefore;
+ }
+ break;
+ case SelectionPointAfter:
+ if (state.m_afterInLine) break;
+ // fall through
+ case SelectionPointAfterInLine:
+ if (pos == SelectionPointAfterInLine) state.m_afterInLine = true;
+ //kdDebug(6030) << "RenderObject::checkSelectionPoint: selection after: " << nod << " offset: " << off << " afterInLine: " << state.m_afterInLine << endl;
+ state.m_lastNode = nod;
+ state.m_lastOffset = off;
+ // No "return" here, obviously. We must keep looking into the children.
+ break;
+ }
+ }
+ // If we are after the last child, return lastNode/lastOffset
+ // But lastNode can be 0L if there is no child, for instance.
+ if ( state.m_lastNode )
+ {
+ node = state.m_lastNode;
+ offset = state.m_lastOffset;
+ }
+ //kdDebug(6030) << "fallback - SelectionPointAfter node=" << node << " offset=" << offset << endl;
+ return SelectionPointAfter;
+}
+
+bool RenderObject::mouseInside() const
+{
+ if (!m_mouseInside && continuation())
+ return continuation()->mouseInside();
+ return m_mouseInside;
+}
+
+bool RenderObject::nodeAtPoint(NodeInfo& info, int _x, int _y, int _tx, int _ty, HitTestAction hitTestAction, bool inside)
+{
+ int tx = _tx + xPos();
+ int ty = _ty + yPos();
+
+ inside |= ( style()->visibility() != HIDDEN &&
+ (_y >= ty) && (_y < ty + height()) && (_x >= tx) && (_x < tx + width())) || isRoot() || isBody();
+ bool inOverflowRect = inside;
+ if ( !inOverflowRect ) {
+ int ol = overflowLeft();
+ int ot = overflowTop();
+ TQRect overflowRect( tx+ol, ty+ot, overflowWidth()-ol, overflowHeight()-ot );
+ inOverflowRect = overflowRect.contains( _x, _y );
+ }
+
+ // ### table should have its own, more performant method
+ if (hitTestAction != HitTestSelfOnly &&
+ (( !isRenderBlock() ||
+ !static_cast<RenderBlock*>( this )->isPointInScrollbar( _x, _y, _tx, _ty )) &&
+ (overhangingContents() || inOverflowRect || isInline() || isRoot() || isCanvas() ||
+ isTableRow() || isTableSection() || inside || mouseInside() ))) {
+ if ( hitTestAction == HitTestChildrenOnly )
+ inside = false;
+ if ( hasOverflowClip() && layer() )
+ layer()->subtractScrollOffset(tx, ty);
+ for (RenderObject* child = lastChild(); child; child = child->previousSibling())
+ if (!child->layer() && child->nodeAtPoint(info, _x, _y, tx, ty, HitTestAll))
+ inside = true;
+ }
+
+ if (inside)
+ setInnerNode(info);
+
+ return inside;
+}
+
+
+void RenderObject::setInnerNode(NodeInfo& info)
+{
+ if (!info.innerNode() && !isInline() && continuation()) {
+ // We are in the margins of block elements that are part of a continuation. In
+ // this case we're actually still inside the enclosing inline element that was
+ // split. Go ahead and set our inner node accordingly.
+ info.setInnerNode(continuation()->element());
+ if (!info.innerNonSharedNode())
+ info.setInnerNonSharedNode(continuation()->element());
+ }
+
+ if (!info.innerNode() && element())
+ info.setInnerNode(element());
+
+ if(!info.innerNonSharedNode() && element())
+ info.setInnerNonSharedNode(element());
+}
+
+
+short RenderObject::verticalPositionHint( bool firstLine ) const
+{
+ short vpos = m_verticalPosition;
+ if ( m_verticalPosition == PositionUndefined || firstLine ) {
+ vpos = getVerticalPosition( firstLine );
+ if ( !firstLine )
+ const_cast<RenderObject *>(this)->m_verticalPosition = vpos;
+ }
+ return vpos;
+
+}
+
+short RenderObject::getVerticalPosition( bool firstLine, RenderObject* ref ) const
+{
+ // vertical align for table cells has a different meaning
+ int vpos = 0;
+ if ( !isTableCell() && isInline() ) {
+ EVerticalAlign va = style()->verticalAlign();
+ if ( va == TOP ) {
+ vpos = PositionTop;
+ } else if ( va == BOTTOM ) {
+ vpos = PositionBottom;
+ } else {
+ if (!ref) ref = parent();
+ bool checkParent = ref->isInline() && !ref->isReplacedBlock() &&
+ !( ref->style()->verticalAlign() == TOP || ref->style()->verticalAlign() == BOTTOM );
+ vpos = checkParent ? ref->verticalPositionHint( firstLine ) : 0;
+ // don't allow elements nested inside text-top to have a different valignment.
+ if ( va == BASELINE )
+ return vpos;
+ else if ( va == LENGTH )
+ return vpos - style()->verticalAlignLength().width( lineHeight( firstLine ) );
+
+ const TQFont &f = ref->font( firstLine );
+ int fontsize = f.pixelSize();
+
+ if ( va == SUB )
+ vpos += fontsize/5 + 1;
+ else if ( va == SUPER )
+ vpos -= fontsize/3 + 1;
+ else if ( va == TEXT_TOP ) {
+ vpos += baselinePosition( firstLine ) - (TQFontMetrics(f).ascent() + TQFontMetrics(f).leading()/2);
+ } else if ( va == MIDDLE ) {
+ TQRect b = TQFontMetrics(f).boundingRect('x');
+ vpos += -b.height()/2 - lineHeight( firstLine )/2 + baselinePosition( firstLine );
+ } else if ( va == TEXT_BOTTOM ) {
+ vpos += TQFontMetrics(f).descent() + TQFontMetrics(f).leading()/2;
+ if ( !isReplaced() )
+ vpos -= fontMetrics(firstLine).descent();
+ } else if ( va == BASELINE_MIDDLE )
+ vpos += - lineHeight( firstLine )/2 + baselinePosition( firstLine );
+ }
+ }
+ return vpos;
+}
+
+short RenderObject::lineHeight( bool firstLine ) const
+{
+ // Inline blocks are replaced elements. Otherwise, just pass off to
+ // the base class. If we're being queried as though we're the root line
+ // box, then the fact that we're an inline-block is irrelevant, and we behave
+ // just like a block.
+
+ if (isReplaced() && (!isInlineBlockOrInlineTable() || !needsLayout()))
+ return height()+marginTop()+marginBottom();
+
+ Length lh;
+ if( firstLine && hasFirstLine() ) {
+ RenderStyle *pseudoStyle = style()->getPseudoStyle(RenderStyle::FIRST_LINE);
+ if ( pseudoStyle )
+ lh = pseudoStyle->lineHeight();
+ }
+ else
+ lh = style()->lineHeight();
+
+ // its "unset", choose nice default
+ if ( lh.value() < 0 )
+ return style()->fontMetrics().lineSpacing();
+
+ if ( lh.isPercent() )
+ return lh.minWidth( style()->font().pixelSize() );
+
+ // its fixed
+ return lh.value();
+}
+
+short RenderObject::baselinePosition( bool firstLine ) const
+{
+ // Inline blocks are replaced elements. Otherwise, just pass off to
+ // the base class. If we're being queried as though we're the root line
+ // box, then the fact that we're an inline-block is irrelevant, and we behave
+ // just like a block.
+
+ if (isReplaced() && (!isInlineBlockOrInlineTable() || !needsLayout()))
+ return height()+marginTop()+marginBottom();
+
+ const TQFontMetrics &fm = fontMetrics( firstLine );
+ return fm.ascent() + ( lineHeight( firstLine) - fm.height() ) / 2;
+}
+
+void RenderObject::invalidateVerticalPositions()
+{
+ m_verticalPosition = PositionUndefined;
+ RenderObject *child = firstChild();
+ while( child ) {
+ child->invalidateVerticalPositions();
+ child = child->nextSibling();
+ }
+}
+
+void RenderObject::recalcMinMaxWidths()
+{
+ KHTMLAssert( m_recalcMinMax );
+
+#ifdef DEBUG_LAYOUT
+ kdDebug( 6040 ) << renderName() << " recalcMinMaxWidths() this=" << this <<endl;
+#endif
+
+ RenderObject *child = firstChild();
+ int cmin=0;
+ int cmax=0;
+
+ while( child ) {
+ bool test = false;
+ if ( ( m_minMaxKnown && child->m_recalcMinMax ) || !child->m_minMaxKnown ) {
+ cmin = child->minWidth();
+ cmax = child->maxWidth();
+ test = true;
+ }
+ if ( child->m_recalcMinMax )
+ child->recalcMinMaxWidths();
+ if ( !child->m_minMaxKnown )
+ child->calcMinMaxWidth();
+ if ( m_minMaxKnown && test && (cmin != child->minWidth() || cmax != child->maxWidth()) )
+ m_minMaxKnown = false;
+ child = child->nextSibling();
+ }
+
+ // we need to recalculate, if the contains inline children, as the change could have
+ // happened somewhere deep inside the child tree
+ if ( ( !isInline() || isReplacedBlock() ) && childrenInline() )
+ m_minMaxKnown = false;
+
+ if ( !m_minMaxKnown )
+ calcMinMaxWidth();
+ m_recalcMinMax = false;
+}
+
+void RenderObject::scheduleRelayout(RenderObject *clippedObj)
+{
+ if (!isCanvas()) return;
+ KHTMLView *view = static_cast<RenderCanvas *>(this)->view();
+ if ( view )
+ view->scheduleRelayout(clippedObj);
+}
+
+
+void RenderObject::removeLeftoverAnonymousBoxes()
+{
+}
+
+InlineBox* RenderObject::createInlineBox(bool /*makePlaceHolderBox*/, bool /*isRootLineBox*/)
+{
+ KHTMLAssert(false);
+ return 0;
+}
+
+void RenderObject::getTextDecorationColors(int decorations, TQColor& underline, TQColor& overline,
+ TQColor& linethrough, bool quirksMode)
+{
+ RenderObject* curr = this;
+ do {
+ RenderStyle *st = curr->style();
+ int currDecs = st->textDecoration();
+ if (currDecs) {
+ if (currDecs & UNDERLINE) {
+ decorations &= ~UNDERLINE;
+ underline = st->color();
+ }
+ if (currDecs & OVERLINE) {
+ decorations &= ~OVERLINE;
+ overline = st->color();
+ }
+ if (currDecs & LINE_THROUGH) {
+ decorations &= ~LINE_THROUGH;
+ linethrough = st->color();
+ }
+ }
+ curr = curr->parent();
+ if (curr && curr->isRenderBlock() && curr->continuation())
+ curr = curr->continuation();
+ } while (curr && decorations && (!quirksMode || !curr->element() ||
+ (curr->element()->id() != ID_A && curr->element()->id() != ID_FONT)));
+
+ // If we bailed out, use the element we bailed out at (typically a <font> or <a> element).
+ if (decorations && curr) {
+ RenderStyle *st = curr->style();
+ if (decorations & UNDERLINE)
+ underline = st->color();
+ if (decorations & OVERLINE)
+ overline = st->color();
+ if (decorations & LINE_THROUGH)
+ linethrough = st->color();
+ }
+}
+
+int RenderObject::maximalOutlineSize(PaintAction p) const
+{
+ if (p != PaintActionOutline)
+ return 0;
+ return static_cast<RenderCanvas*>(document()->renderer())->maximalOutlineSize();
+}
+
+void RenderObject::collectBorders(TQValueList<CollapsedBorderValue>& borderStyles)
+{
+ for (RenderObject* curr = firstChild(); curr; curr = curr->nextSibling())
+ curr->collectBorders(borderStyles);
+}
+
+bool RenderObject::flowAroundFloats() const
+{
+ return isReplaced() || hasOverflowClip() || style()->flowAroundFloats();
+}
+
+bool RenderObject::usesLineWidth() const
+{
+ // 1. All auto-width objects that avoid floats should always use lineWidth
+ // 2. For objects with a specified width, we match WinIE's behavior:
+ // (a) tables use contentWidth
+ // (b) <hr>s use lineWidth
+ // (c) all other objects use lineWidth in quirks mode and contentWidth in strict mode.
+ return (flowAroundFloats() && (style()->width().isVariable() || isHR() || (style()->htmlHacks() && !isTable())));
+}
+
+bool RenderObject::hasCounter(const TQString& counter) const
+{
+ if (style() && (!isText() || isCounter())) {
+ if (lookupCounter(counter)) return true;
+ if (style()->hasCounterReset(counter)) {
+ return true;
+ }
+ else if (style()->hasCounterIncrement(counter)) {
+ return true;
+ }
+ }
+ if (counter == "list-item") {
+ if (isListItem()) return true;
+ if (element() && (
+ element()->id() == ID_OL ||
+ element()->id() == ID_UL ||
+ element()->id() == ID_MENU ||
+ element()->id() == ID_DIR))
+ return true;
+ } else
+ if (counter == "-tdehtml-quotes" && isQuote()) {
+ return (static_cast<const RenderQuote*>(this)->quoteCount() != 0);
+ }
+ return false;
+}
+
+CounterNode* RenderObject::getCounter(const TQString& counter, bool view, bool counters)
+{
+// kdDebug( 6040 ) << renderName() << " getCounter(" << counter << ")" << endl;
+
+ if (!style()) return 0;
+
+ if (isText() && !isCounter()) return 0;
+
+ CounterNode *i = lookupCounter(counter);
+ if (i) return i;
+ int val = 0;
+
+ if (style()->hasCounterReset(counter) || isRoot()) {
+ i = new CounterReset(this);
+ val = style()->counterReset(counter);
+ if (style()->hasCounterIncrement(counter)) {
+ val += style()->counterIncrement(counter);
+ }
+// kdDebug( 6040 ) << renderName() << " counter-reset: " << counter << " " << val << endl;
+ }
+ else
+ if (style()->hasCounterIncrement(counter)) {
+ i = new CounterNode(this);
+ val = style()->counterIncrement(counter);
+// kdDebug( 6040 ) << renderName() << " counter-increment: " << counter << " " << val << endl;
+ }
+ else if (counter == "list-item") {
+ if (isListItem()) {
+ if (element() && element()->id() == ID_LI) {
+ DOMString v = static_cast<ElementImpl*>(element())->getAttribute(ATTR_VALUE);
+ if ( !v.isEmpty() ) {
+ i = new CounterReset(this);
+ val = v.toInt();
+// kdDebug( 6040 ) << renderName() << " counter-reset: " << counter << " " << val << endl;
+ }
+ }
+ if (!i) {
+ i = new CounterNode(this);
+ val = 1;
+// kdDebug( 6040 ) << renderName() << " counter-increment: " << counter << " " << val << endl;
+ }
+ }
+ else
+ if (element() && element()->id() == ID_OL) {
+ i = new CounterReset(this);
+ DOMString v = static_cast<ElementImpl*>(element())->getAttribute(ATTR_START);
+ if ( !v.isEmpty() )
+ val = v.toInt()-1;
+ else
+ val = 0;
+// kdDebug( 6040 ) << renderName() << " counter-reset: " << counter << " " << val << endl;
+ }
+ else
+ if (element() &&
+ (element()->id() == ID_UL ||
+ element()->id() == ID_MENU||
+ element()->id() == ID_DIR))
+ {
+ i = new CounterReset(this);
+ val = 0;
+// kdDebug( 6040 ) << renderName() << " counter-reset: " << counter << " " << val << endl;
+ }
+ }
+ else if (counter == "-tdehtml-quotes" && isQuote()) {
+ i = new CounterNode(this);
+ val = static_cast<RenderQuote*>(this)->quoteCount();
+ }
+
+ if (!i) {
+ i = new CounterNode(this);
+ val = 0;
+// kdDebug( 6040 ) << renderName() << " counter-increment: " << counter << " " << val << endl;
+ }
+ i->setValue(val);
+ if (view) i->setIsVisual();
+ if (counters) i->setHasCounters();
+
+ insertCounter(counter, i);
+
+ if (!isRoot()) {
+ CounterNode *last=0, *current=0;
+ RenderObject *n = previousSibling();
+ while(n) {
+ if (n->hasCounter(counter)) {
+ current = n->getCounter(counter);
+ break;
+ }
+ else
+ n = n->previousSibling();
+ }
+ last = current;
+
+ CounterNode *sibling = current;
+ // counter-reset on same render-level is our counter-parent
+ if (last) {
+ // Found render-sibling, now search for later counter-siblings among its render-children
+ n = n->lastChild();
+ while (n) {
+ if (n->hasCounter(counter)) {
+ current = n->getCounter(counter);
+ if (last->parent() == current->parent() || sibling == current->parent()) {
+ last = current;
+ // If the current counter is not the last, search deeper
+ if (current->nextSibling()) {
+ n = n->lastChild();
+ continue;
+ }
+ else
+ break;
+ }
+ }
+ n = n->previousSibling();
+ }
+ if (sibling->isReset())
+ {
+ if (last != sibling)
+ sibling->insertAfter(i, last);
+ else
+ sibling->insertAfter(i, 0);
+ }
+ else if (last->parent())
+ last->parent()->insertAfter(i, last);
+ }
+ else if (parent()) {
+ // Nothing found among siblings, let our parent search
+ last = parent()->getCounter(counter, false);
+ if (last->isReset())
+ last->insertAfter(i, 0);
+ else if (last->parent())
+ last->parent()->insertAfter(i, last);
+ }
+ }
+
+ return i;
+}
+
+CounterNode* RenderObject::lookupCounter(const TQString& counter) const
+{
+ TQDict<tdehtml::CounterNode>* counters = document()->counters(this);
+ if (counters)
+ return counters->find(counter);
+ else
+ return 0;
+}
+
+void RenderObject::detachCounters()
+{
+ TQDict<tdehtml::CounterNode>* counters = document()->counters(this);
+ if (!counters) return;
+
+ TQDictIterator<tdehtml::CounterNode> i(*counters);
+
+ while (i.current()) {
+ (*i)->remove();
+ delete (*i);
+ ++i;
+ }
+ document()->removeCounters(this);
+}
+
+void RenderObject::insertCounter(const TQString& counter, CounterNode* val)
+{
+ TQDict<tdehtml::CounterNode>* counters = document()->counters(this);
+
+ if (!counters) {
+ counters = new TQDict<tdehtml::CounterNode>(11);
+ document()->setCounters(this, counters);
+ }
+
+ counters->insert(counter, val);
+}
+
+void RenderObject::updateWidgetMasks() {
+ for (RenderObject* curr = firstChild(); curr; curr = curr->nextSibling()) {
+ if ( curr->isWidget() && static_cast<RenderWidget*>(curr)->needsMask() ) {
+ TQWidget* w = static_cast<RenderWidget*>(curr)->widget();
+ if (!w)
+ return;
+ RenderLayer* l = curr->enclosingStackingContext();
+ TQRegion r = l ? l->getMask() : TQRegion();
+ int x,y;
+ if (!r.isNull() && curr->absolutePosition(x,y)) {
+ int pbx = curr->borderLeft()+curr->paddingLeft();
+ int pby = curr->borderTop()+curr->paddingTop();
+ x+= pbx;
+ y+= pby;
+ r = r.intersect(TQRect(x,y,
+ curr->width()-pbx-curr->borderRight()-curr->paddingRight(),
+ curr->height()-pby-curr->borderBottom()-curr->paddingBottom()));
+#ifdef MASK_DEBUG
+ TQMemArray<TQRect> ar = r.rects();
+ kdDebug(6040) << "|| Setting widget mask for " << curr->information() << endl;
+ for (int i = 0; i < ar.size() ; ++i) {
+ kdDebug(6040) << " " << ar[i] << endl;
+ }
+#endif
+ r.translate(-x,-y);
+ w->setMask(r);
+ } else {
+ w->clearMask();
+ }
+ }
+ else if (!curr->layer() || !curr->layer()->isStackingContext())
+ curr->updateWidgetMasks();
+
+ }
+}
+
+TQRegion RenderObject::visibleFlowRegion(int x, int y) const
+{
+ TQRegion r;
+ for (RenderObject* ro=firstChild();ro;ro=ro->nextSibling()) {
+ if( !ro->layer() && !ro->isInlineFlow() && ro->style()->visibility() == VISIBLE) {
+ const RenderStyle *s = ro->style();
+ if (ro->isRelPositioned())
+ static_cast<const RenderBox*>(ro)->relativePositionOffset(x,y);
+ if ( s->backgroundImage() || s->backgroundColor().isValid() || s->hasBorder() )
+ r += TQRect(x + ro->effectiveXPos(),y + ro->effectiveYPos(), ro->effectiveWidth(), ro->effectiveHeight());
+ else
+ r += ro->visibleFlowRegion(x+ro->xPos(), y+ro->yPos());
+ }
+ }
+ return r;
+}
+
+#undef RED_LUMINOSITY
+#undef GREEN_LUMINOSITY
+#undef BLUE_LUMINOSITY
+#undef INTENSITY_FACTOR
+#undef LIGHT_FACTOR
+#undef LUMINOSITY_FACTOR
+
+#undef MAX_COLOR
+#undef COLOR_DARK_THRESHOLD
+#undef COLOR_LIGHT_THRESHOLD
+
+#undef COLOR_LITE_BS_FACTOR
+#undef COLOR_LITE_TS_FACTOR
+
+#undef COLOR_DARK_BS_FACTOR
+#undef COLOR_DARK_TS_FACTOR
+
+#undef LIGHT_GRAY
+#undef DARK_GRAY
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-14 05:15:42 +0000