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author | Darrell Anderson <humanreadable@yahoo.com> | 2013-03-02 15:57:34 -0600 |
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committer | Darrell Anderson <humanreadable@yahoo.com> | 2013-03-02 15:57:34 -0600 |
commit | 7c0b0c9dc9fcbe9c198925bdc7ee18ac6be49f4f (patch) | |
tree | c76702a7f6310fbe9d437e347535422e836e94e9 /tdehtml/rendering/render_object.cpp | |
parent | a2a38be7600e2a2c2b49c66902d912ca036a2c0f (diff) | |
parent | 27bbee9a5f9dcda53d8eb23863ee670ad1360e41 (diff) | |
download | tdelibs-7c0b0c9dc9fcbe9c198925bdc7ee18ac6be49f4f.tar.gz tdelibs-7c0b0c9dc9fcbe9c198925bdc7ee18ac6be49f4f.zip |
Merge branch 'master' of http://scm.trinitydesktop.org/scm/git/tdelibs
Diffstat (limited to 'tdehtml/rendering/render_object.cpp')
-rw-r--r-- | tdehtml/rendering/render_object.cpp | 2330 |
1 files changed, 2330 insertions, 0 deletions
diff --git a/tdehtml/rendering/render_object.cpp b/tdehtml/rendering/render_object.cpp new file mode 100644 index 000000000..a979e1dc1 --- /dev/null +++ b/tdehtml/rendering/render_object.cpp @@ -0,0 +1,2330 @@ +/** + * This file is part of the html renderer for KDE. + * + * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org) + * (C) 1999 Antti Koivisto (koivisto@kde.org) + * (C) 2000-2003 Dirk Mueller (mueller@kde.org) + * (C) 2002-2006 Apple Computer, Inc. + * (C) 2006 Germain Garand <germain@ebooksfrance.org> + * + * 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 <tdeglobal.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 *) +{ + TDEHTMLAssert(0); +} + +RenderObject* RenderObject::removeChildNode(RenderObject* ) +{ + TDEHTMLAssert(0); + return 0; +} + +void RenderObject::removeChild(RenderObject *o ) +{ + setNeedsLayout(true); + removeChildNode( o ); +} + +void RenderObject::appendChildNode(RenderObject*) +{ + TDEHTMLAssert(0); +} + +void RenderObject::insertChildNode(RenderObject*, RenderObject*) +{ + TDEHTMLAssert(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. + + TDEHTMLAssert( 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; + TDEHTMLAssert( 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; + TDEHTMLAssert( 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() +{ + TDEHTMLAssert( 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; + TDEHTMLView *view = static_cast<RenderCanvas *>(this)->view(); + if ( view ) + view->scheduleRelayout(clippedObj); +} + + +void RenderObject::removeLeftoverAnonymousBoxes() +{ +} + +InlineBox* RenderObject::createInlineBox(bool /*makePlaceHolderBox*/, bool /*isRootLineBox*/) +{ + TDEHTMLAssert(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 + |