1 /**
2 * Copyright (C) 2003, 2006 Apple Computer, Inc.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20 #include "config.h"
21 #include "EllipsisBox.h"
22
23 #include "Document.h"
24 #include "GraphicsContext.h"
25 #include "HitTestResult.h"
26 #include "RootInlineBox.h"
27
28 namespace WebCore {
29
paint(RenderObject::PaintInfo & paintInfo,int tx,int ty)30 void EllipsisBox::paint(RenderObject::PaintInfo& paintInfo, int tx, int ty)
31 {
32 GraphicsContext* context = paintInfo.context;
33 RenderStyle* style = m_renderer->style(m_firstLine);
34 Color textColor = style->color();
35 if (textColor != context->fillColor())
36 context->setFillColor(textColor, style->colorSpace());
37 bool setShadow = false;
38 if (style->textShadow()) {
39 context->setShadow(IntSize(style->textShadow()->x, style->textShadow()->y),
40 style->textShadow()->blur, style->textShadow()->color, style->colorSpace());
41 setShadow = true;
42 }
43
44 if (selectionState() != RenderObject::SelectionNone) {
45 paintSelection(context, tx, ty, style, style->font());
46
47 // Select the correct color for painting the text.
48 Color foreground = paintInfo.forceBlackText ? Color::black : renderer()->selectionForegroundColor();
49 if (foreground.isValid() && foreground != textColor)
50 context->setFillColor(foreground, style->colorSpace());
51 }
52
53 const String& str = m_str;
54 context->drawText(style->font(), TextRun(str.characters(), str.length(), false, 0, 0, false, style->visuallyOrdered()), IntPoint(m_x + tx, m_y + ty + style->font().ascent()));
55
56 // Restore the regular fill color.
57 if (textColor != context->fillColor())
58 context->setFillColor(textColor, style->colorSpace());
59
60 if (setShadow)
61 context->clearShadow();
62
63 if (m_markupBox) {
64 // Paint the markup box
65 tx += m_x + m_width - m_markupBox->x();
66 ty += m_y + style->font().ascent() - (m_markupBox->y() + m_markupBox->renderer()->style(m_firstLine)->font().ascent());
67 m_markupBox->paint(paintInfo, tx, ty);
68 }
69 }
70
selectionRect(int tx,int ty)71 IntRect EllipsisBox::selectionRect(int tx, int ty)
72 {
73 RenderStyle* style = m_renderer->style(m_firstLine);
74 const Font& f = style->font();
75 return enclosingIntRect(f.selectionRectForText(TextRun(m_str.characters(), m_str.length(), false, 0, 0, false, style->visuallyOrdered()),
76 IntPoint(m_x + tx, m_y + ty + root()->selectionTop()), root()->selectionHeight()));
77 }
78
paintSelection(GraphicsContext * context,int tx,int ty,RenderStyle * style,const Font & font)79 void EllipsisBox::paintSelection(GraphicsContext* context, int tx, int ty, RenderStyle* style, const Font& font)
80 {
81 Color textColor = style->color();
82 Color c = m_renderer->selectionBackgroundColor();
83 if (!c.isValid() || !c.alpha())
84 return;
85
86 // If the text color ends up being the same as the selection background, invert the selection
87 // background.
88 if (textColor == c)
89 c = Color(0xff - c.red(), 0xff - c.green(), 0xff - c.blue());
90
91 context->save();
92 int y = root()->selectionTop();
93 int h = root()->selectionHeight();
94 context->clip(IntRect(m_x + tx, y + ty, m_width, h));
95 context->drawHighlightForText(font, TextRun(m_str.characters(), m_str.length(), false, 0, 0, false, style->visuallyOrdered()),
96 IntPoint(m_x + tx, m_y + ty + y), h, c, style->colorSpace());
97 context->restore();
98 }
99
nodeAtPoint(const HitTestRequest & request,HitTestResult & result,int x,int y,int tx,int ty)100 bool EllipsisBox::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int x, int y, int tx, int ty)
101 {
102 tx += m_x;
103 ty += m_y;
104
105 // Hit test the markup box.
106 if (m_markupBox) {
107 RenderStyle* style = m_renderer->style(m_firstLine);
108 int mtx = tx + m_width - m_markupBox->x();
109 int mty = ty + style->font().ascent() - (m_markupBox->y() + m_markupBox->renderer()->style(m_firstLine)->font().ascent());
110 if (m_markupBox->nodeAtPoint(request, result, x, y, mtx, mty)) {
111 renderer()->updateHitTestResult(result, IntPoint(x - mtx, y - mty));
112 return true;
113 }
114 }
115
116 if (visibleToHitTesting() && IntRect(tx, ty, m_width, m_height).contains(x, y)) {
117 renderer()->updateHitTestResult(result, IntPoint(x - tx, y - ty));
118 return true;
119 }
120
121 return false;
122 }
123
124 } // namespace WebCore
125