author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 17 Sep 2010 09:02:29 +0300 | |
changeset 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
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* (C) 1999 Antti Koivisto (koivisto@kde.org) |
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* (C) 2000 Dirk Mueller (mueller@kde.org) |
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* Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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* |
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*/ |
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|
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#include "config.h" |
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#include "RenderFieldset.h" |
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#include "CSSPropertyNames.h" |
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#include "HTMLNames.h" |
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#include "GraphicsContext.h" |
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#if ENABLE(WML) |
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#include "WMLNames.h" |
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#endif |
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using std::min; |
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using std::max; |
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namespace WebCore { |
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using namespace HTMLNames; |
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RenderFieldset::RenderFieldset(Node* element) |
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: RenderBlock(element) |
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{ |
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} |
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void RenderFieldset::calcPrefWidths() |
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{ |
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RenderBlock::calcPrefWidths(); |
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if (RenderBox* legend = findLegend()) { |
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int legendMinWidth = legend->minPrefWidth(); |
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Length legendMarginLeft = legend->style()->marginLeft(); |
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Length legendMarginRight = legend->style()->marginLeft(); |
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if (legendMarginLeft.isFixed()) |
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legendMinWidth += legendMarginLeft.value(); |
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if (legendMarginRight.isFixed()) |
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legendMinWidth += legendMarginRight.value(); |
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m_minPrefWidth = max(m_minPrefWidth, legendMinWidth + borderAndPaddingWidth()); |
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} |
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} |
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RenderObject* RenderFieldset::layoutLegend(bool relayoutChildren) |
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{ |
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RenderBox* legend = findLegend(); |
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if (legend) { |
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if (relayoutChildren) |
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legend->setNeedsLayout(true); |
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legend->layoutIfNeeded(); |
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int xPos; |
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if (style()->direction() == RTL) { |
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switch (legend->style()->textAlign()) { |
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case LEFT: |
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xPos = borderLeft() + paddingLeft(); |
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break; |
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case CENTER: |
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xPos = (width() - legend->width()) / 2; |
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break; |
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default: |
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xPos = width() - paddingRight() - borderRight() - legend->width() - legend->marginRight(); |
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} |
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} else { |
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switch (legend->style()->textAlign()) { |
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case RIGHT: |
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xPos = width() - paddingRight() - borderRight() - legend->width(); |
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break; |
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case CENTER: |
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xPos = (width() - legend->width()) / 2; |
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break; |
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default: |
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xPos = borderLeft() + paddingLeft() + legend->marginLeft(); |
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} |
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} |
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int b = borderTop(); |
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int h = legend->height(); |
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legend->setLocation(xPos, max((b-h)/2, 0)); |
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setHeight(max(b, h) + paddingTop()); |
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} |
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return legend; |
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|
104 |
} |
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|
105 |
|
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|
106 |
RenderBox* RenderFieldset::findLegend() const |
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|
107 |
{ |
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|
108 |
for (RenderObject* legend = firstChild(); legend; legend = legend->nextSibling()) { |
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|
109 |
if (!legend->isFloatingOrPositioned() && legend->node() && |
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|
110 |
(legend->node()->hasTagName(legendTag) |
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|
111 |
#if ENABLE(WML) |
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|
112 |
|| legend->node()->hasTagName(WMLNames::insertedLegendTag) |
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|
113 |
#endif |
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|
114 |
) |
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|
115 |
) |
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|
116 |
return toRenderBox(legend); |
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|
117 |
} |
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|
118 |
return 0; |
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|
119 |
} |
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|
120 |
|
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|
121 |
void RenderFieldset::paintBoxDecorations(PaintInfo& paintInfo, int tx, int ty) |
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|
122 |
{ |
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|
123 |
if (!paintInfo.shouldPaintWithinRoot(this)) |
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|
124 |
return; |
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|
125 |
|
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|
126 |
int w = width(); |
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|
127 |
int h = height(); |
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|
128 |
RenderBox* legend = findLegend(); |
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|
129 |
if (!legend) |
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|
130 |
return RenderBlock::paintBoxDecorations(paintInfo, tx, ty); |
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|
131 |
|
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|
132 |
int yOff = (legend->y() > 0) ? 0 : (legend->height() - borderTop()) / 2; |
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|
133 |
int legendBottom = ty + legend->y() + legend->height(); |
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|
134 |
h -= yOff; |
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|
135 |
ty += yOff; |
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|
136 |
|
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|
137 |
paintBoxShadow(paintInfo.context, tx, ty, w, h, style(), Normal); |
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|
138 |
|
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|
139 |
paintFillLayers(paintInfo, style()->visitedDependentColor(CSSPropertyBackgroundColor), style()->backgroundLayers(), tx, ty, w, h); |
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|
140 |
paintBoxShadow(paintInfo.context, tx, ty, w, h, style(), Inset); |
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|
141 |
|
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|
142 |
if (!style()->hasBorder()) |
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|
143 |
return; |
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|
144 |
|
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|
145 |
// Save time by not saving and restoring the GraphicsContext in the straight border case |
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|
146 |
if (!style()->hasBorderRadius()) |
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|
147 |
return paintBorderMinusLegend(paintInfo.context, tx, ty, w, h, style(), legend->x(), legend->width(), legendBottom); |
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|
148 |
|
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|
149 |
// We have rounded borders, create a clipping region |
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|
150 |
// around the legend and paint the border as normal |
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|
151 |
GraphicsContext* graphicsContext = paintInfo.context; |
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|
152 |
graphicsContext->save(); |
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|
153 |
|
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|
154 |
int clipTop = ty; |
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|
155 |
int clipHeight = max(static_cast<int>(style()->borderTopWidth()), legend->height()); |
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|
156 |
|
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|
157 |
graphicsContext->clipOut(IntRect(tx + legend->x(), clipTop, |
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|
158 |
legend->width(), clipHeight)); |
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|
159 |
paintBorder(paintInfo.context, tx, ty, w, h, style(), true, true); |
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|
160 |
|
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|
161 |
graphicsContext->restore(); |
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|
162 |
} |
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|
163 |
|
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Revision: 201037
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|
164 |
void RenderFieldset::paintMask(PaintInfo& paintInfo, int tx, int ty) |
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|
165 |
{ |
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|
166 |
if (style()->visibility() != VISIBLE || paintInfo.phase != PaintPhaseMask) |
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|
167 |
return; |
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|
168 |
|
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|
169 |
int w = width(); |
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|
170 |
int h = height(); |
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|
171 |
RenderBox* legend = findLegend(); |
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|
172 |
if (!legend) |
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|
173 |
return RenderBlock::paintMask(paintInfo, tx, ty); |
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|
174 |
|
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|
175 |
int yOff = (legend->y() > 0) ? 0 : (legend->height() - borderTop()) / 2; |
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|
176 |
h -= yOff; |
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Revision: 201037
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|
177 |
ty += yOff; |
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|
178 |
|
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|
179 |
paintMaskImages(paintInfo, tx, ty, w, h); |
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|
180 |
} |
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|
181 |
|
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|
182 |
void RenderFieldset::paintBorderMinusLegend(GraphicsContext* graphicsContext, int tx, int ty, int w, int h, |
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|
183 |
const RenderStyle* style, int lx, int lw, int lb) |
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|
184 |
{ |
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|
185 |
const Color& tc = style->visitedDependentColor(CSSPropertyBorderTopColor); |
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|
186 |
const Color& bc = style->visitedDependentColor(CSSPropertyBorderBottomColor); |
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|
187 |
|
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|
188 |
EBorderStyle ts = style->borderTopStyle(); |
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|
189 |
EBorderStyle bs = style->borderBottomStyle(); |
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diff
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|
190 |
EBorderStyle ls = style->borderLeftStyle(); |
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diff
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|
191 |
EBorderStyle rs = style->borderRightStyle(); |
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diff
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|
192 |
|
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|
193 |
bool render_t = ts > BHIDDEN; |
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Revision: 201037
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|
194 |
bool render_l = ls > BHIDDEN; |
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Revision: 201037
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|
195 |
bool render_r = rs > BHIDDEN; |
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|
196 |
bool render_b = bs > BHIDDEN; |
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diff
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|
197 |
|
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Revision: 201037
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diff
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|
198 |
int borderLeftWidth = style->borderLeftWidth(); |
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Revision: 201037
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|
199 |
int borderRightWidth = style->borderRightWidth(); |
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diff
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|
200 |
|
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Revision: 201037
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|
201 |
if (render_t) { |
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Revision: 201037
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|
202 |
if (lx >= borderLeftWidth) |
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Revision: 201037
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diff
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|
203 |
drawLineForBoxSide(graphicsContext, tx, ty, tx + min(lx, w), ty + style->borderTopWidth(), BSTop, tc, ts, |
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Revision: 201037
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diff
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|
204 |
(render_l && (ls == DOTTED || ls == DASHED || ls == DOUBLE) ? borderLeftWidth : 0), |
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diff
changeset
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205 |
(lx >= w && render_r && (rs == DOTTED || rs == DASHED || rs == DOUBLE) ? borderRightWidth : 0)); |
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if (lx + lw <= w - borderRightWidth) |
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drawLineForBoxSide(graphicsContext, tx + max(0, lx + lw), ty, tx + w, ty + style->borderTopWidth(), BSTop, tc, ts, |
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(lx + lw <= 0 && render_l && (ls == DOTTED || ls == DASHED || ls == DOUBLE) ? borderLeftWidth : 0), |
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(render_r && (rs == DOTTED || rs == DASHED || rs == DOUBLE) ? borderRightWidth : 0)); |
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} |
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211 |
|
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if (render_b) |
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drawLineForBoxSide(graphicsContext, tx, ty + h - style->borderBottomWidth(), tx + w, ty + h, BSBottom, bc, bs, |
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(render_l && (ls == DOTTED || ls == DASHED || ls == DOUBLE) ? style->borderLeftWidth() : 0), |
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(render_r && (rs == DOTTED || rs == DASHED || rs == DOUBLE) ? style->borderRightWidth() : 0)); |
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216 |
|
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if (render_l) { |
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const Color& lc = style->visitedDependentColor(CSSPropertyBorderLeftColor); |
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int startY = ty; |
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220 |
|
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bool ignore_top = |
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(tc == lc) && |
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(ls >= OUTSET) && |
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(ts == DOTTED || ts == DASHED || ts == SOLID || ts == OUTSET); |
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225 |
|
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bool ignore_bottom = |
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(bc == lc) && |
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(ls >= OUTSET) && |
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(bs == DOTTED || bs == DASHED || bs == SOLID || bs == INSET); |
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230 |
|
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if (lx < borderLeftWidth && lx + lw > 0) { |
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// The legend intersects the border. |
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ignore_top = true; |
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startY = lb; |
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} |
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236 |
|
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drawLineForBoxSide(graphicsContext, tx, startY, tx + borderLeftWidth, ty + h, BSLeft, lc, ls, |
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ignore_top ? 0 : style->borderTopWidth(), ignore_bottom ? 0 : style->borderBottomWidth()); |
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} |
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240 |
|
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if (render_r) { |
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const Color& rc = style->visitedDependentColor(CSSPropertyBorderRightColor); |
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int startY = ty; |
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|
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bool ignore_top = |
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(tc == rc) && |
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(rs >= DOTTED || rs == INSET) && |
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(ts == DOTTED || ts == DASHED || ts == SOLID || ts == OUTSET); |
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|
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bool ignore_bottom = |
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(bc == rc) && |
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(rs >= DOTTED || rs == INSET) && |
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(bs == DOTTED || bs == DASHED || bs == SOLID || bs == INSET); |
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|
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if (lx < w && lx + lw > w - borderRightWidth) { |
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// The legend intersects the border. |
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ignore_top = true; |
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startY = lb; |
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} |
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|
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drawLineForBoxSide(graphicsContext, tx + w - borderRightWidth, startY, tx + w, ty + h, BSRight, rc, rs, |
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ignore_top ? 0 : style->borderTopWidth(), ignore_bottom ? 0 : style->borderBottomWidth()); |
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} |
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} |
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|
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void RenderFieldset::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle) |
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{ |
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RenderBlock::styleDidChange(diff, oldStyle); |
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|
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// WinIE renders fieldsets with display:inline like they're inline-blocks. For us, |
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// an inline-block is just a block element with replaced set to true and inline set |
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// to true. Ensure that if we ended up being inline that we set our replaced flag |
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// so that we're treated like an inline-block. |
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if (isInline()) |
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setReplaced(true); |
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} |
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|
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} // namespace WebCore |