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1 /* | 1 /* |
2 * (C) 1999 Lars Knoll (knoll@kde.org) | 2 * (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 2000 Dirk Mueller (mueller@kde.org) | 3 * (C) 2000 Dirk Mueller (mueller@kde.org) |
4 * Copyright (C) 2004, 2005, 2006, 2009, 2010, 2011 Apple Inc. All rights reserv
ed. | 4 * Copyright (C) 2004, 2005, 2006, 2009, 2010, 2011 Apple Inc. All rights reserv
ed. |
5 * | 5 * |
6 * This library is free software; you can redistribute it and/or | 6 * This library is free software; you can redistribute it and/or |
7 * modify it under the terms of the GNU Library General Public | 7 * modify it under the terms of the GNU Library General Public |
8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
9 * version 2 of the License, or (at your option) any later version. | 9 * version 2 of the License, or (at your option) any later version. |
10 * | 10 * |
11 * This library is distributed in the hope that it will be useful, | 11 * This library is distributed in the hope that it will be useful, |
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 * Library General Public License for more details. | 14 * Library General Public License for more details. |
15 * | 15 * |
16 * You should have received a copy of the GNU Library General Public License | 16 * You should have received a copy of the GNU Library General Public License |
17 * along with this library; see the file COPYING.LIB. If not, write to | 17 * along with this library; see the file COPYING.LIB. If not, write to |
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
19 * Boston, MA 02110-1301, USA. | 19 * Boston, MA 02110-1301, USA. |
20 * | 20 * |
21 */ | 21 */ |
22 | 22 |
23 #ifndef InlineTextBox_h | 23 #ifndef InlineTextBox_h |
24 #define InlineTextBox_h | 24 #define InlineTextBox_h |
25 | 25 |
| 26 #include "core/rendering/FloatToLayoutUnit.h" |
26 #include "core/rendering/InlineBox.h" | 27 #include "core/rendering/InlineBox.h" |
27 #include "core/rendering/RenderText.h" // so textRenderer() can be inline | 28 #include "core/rendering/RenderText.h" // so textRenderer() can be inline |
28 #include "platform/fonts/TextBlob.h" | 29 #include "platform/fonts/TextBlob.h" |
29 #include "platform/text/TextRun.h" | 30 #include "platform/text/TextRun.h" |
30 #include "wtf/Forward.h" | 31 #include "wtf/Forward.h" |
31 | 32 |
32 namespace blink { | 33 namespace blink { |
33 | 34 |
34 struct CompositionUnderline; | 35 struct CompositionUnderline; |
35 class DocumentMarker; | 36 class DocumentMarker; |
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91 // charactersWithHyphen, if provided, must not be destroyed before the TextR
un. | 92 // charactersWithHyphen, if provided, must not be destroyed before the TextR
un. |
92 TextRun constructTextRun(RenderStyle*, const Font&, StringBuilder* character
sWithHyphen = 0) const; | 93 TextRun constructTextRun(RenderStyle*, const Font&, StringBuilder* character
sWithHyphen = 0) const; |
93 TextRun constructTextRun(RenderStyle*, const Font&, StringView, int maximumL
ength, StringBuilder* charactersWithHyphen = 0) const; | 94 TextRun constructTextRun(RenderStyle*, const Font&, StringView, int maximumL
ength, StringBuilder* charactersWithHyphen = 0) const; |
94 | 95 |
95 #ifndef NDEBUG | 96 #ifndef NDEBUG |
96 virtual void showBox(int = 0) const override; | 97 virtual void showBox(int = 0) const override; |
97 virtual const char* boxName() const override; | 98 virtual const char* boxName() const override; |
98 #endif | 99 #endif |
99 | 100 |
100 enum RotationDirection { Counterclockwise, Clockwise }; | 101 enum RotationDirection { Counterclockwise, Clockwise }; |
101 static AffineTransform rotation(const FloatRect& boxRect, RotationDirection)
; | 102 static AffineTransform rotation(const FloatRectWillBeLayoutRect& boxRect, Ro
tationDirection); |
102 | 103 |
103 public: | 104 public: |
104 TextRun constructTextRunForInspector(RenderStyle*, const Font&) const; | 105 TextRun constructTextRunForInspector(RenderStyle*, const Font&) const; |
105 virtual FloatRect calculateBoundaries() const override { return FloatRect(x(
), y(), width(), height()); } | 106 virtual FloatRectWillBeLayoutRect calculateBoundaries() const override { ret
urn FloatRectWillBeLayoutRect(x(), y(), width(), height()); } |
106 | 107 |
107 virtual LayoutRect localSelectionRect(int startPos, int endPos); | 108 virtual LayoutRect localSelectionRect(int startPos, int endPos); |
108 bool isSelected(int startPos, int endPos) const; | 109 bool isSelected(int startPos, int endPos) const; |
109 void selectionStartEnd(int& sPos, int& ePos) const; | 110 void selectionStartEnd(int& sPos, int& ePos) const; |
110 | 111 |
111 // These functions both paint markers and update the DocumentMarker's render
edRect. | 112 // These functions both paint markers and update the DocumentMarker's render
edRect. |
112 virtual void paintDocumentMarker(GraphicsContext*, const FloatPoint& boxOrig
in, DocumentMarker*, RenderStyle*, const Font&, bool grammar); | 113 virtual void paintDocumentMarker(GraphicsContext*, const FloatPointWillBeLay
outPoint& boxOrigin, DocumentMarker*, RenderStyle*, const Font&, bool grammar); |
113 virtual void paintTextMatchMarker(GraphicsContext*, const FloatPoint& boxOri
gin, DocumentMarker*, RenderStyle*, const Font&); | 114 virtual void paintTextMatchMarker(GraphicsContext*, const FloatPointWillBeLa
youtPoint& boxOrigin, DocumentMarker*, RenderStyle*, const Font&); |
114 | 115 |
115 protected: | 116 protected: |
116 virtual void paint(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, Layou
tUnit lineBottom) override; | 117 virtual void paint(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, Layou
tUnit lineBottom) override; |
117 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTes
tLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit
lineTop, LayoutUnit lineBottom) override; | 118 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTes
tLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit
lineTop, LayoutUnit lineBottom) override; |
118 | 119 |
119 private: | 120 private: |
120 virtual void deleteLine() override final; | 121 virtual void deleteLine() override final; |
121 virtual void extractLine() override final; | 122 virtual void extractLine() override final; |
122 virtual void attachLine() override final; | 123 virtual void attachLine() override final; |
123 | 124 |
124 public: | 125 public: |
125 virtual RenderObject::SelectionState selectionState() const override final; | 126 virtual RenderObject::SelectionState selectionState() const override final; |
126 | 127 |
127 private: | 128 private: |
128 virtual void clearTruncation() override final { m_truncation = cNoTruncation
; } | 129 virtual void clearTruncation() override final { m_truncation = cNoTruncation
; } |
129 virtual float placeEllipsisBox(bool flowIsLTR, float visibleLeftEdge, float
visibleRightEdge, float ellipsisWidth, float &truncatedWidth, bool& foundBox) ov
erride final; | 130 virtual FloatWillBeLayoutUnit placeEllipsisBox(bool flowIsLTR, FloatWillBeLa
youtUnit visibleLeftEdge, FloatWillBeLayoutUnit visibleRightEdge, FloatWillBeLay
outUnit ellipsisWidth, FloatWillBeLayoutUnit &truncatedWidth, bool& foundBox) ov
erride final; |
130 | 131 |
131 public: | 132 public: |
132 virtual bool isLineBreak() const override final; | 133 virtual bool isLineBreak() const override final; |
133 | 134 |
134 void setExpansion(int newExpansion) | 135 void setExpansion(int newExpansion) |
135 { | 136 { |
136 m_logicalWidth -= expansion(); | 137 m_logicalWidth -= expansion(); |
137 InlineBox::setExpansion(newExpansion); | 138 InlineBox::setExpansion(newExpansion); |
138 m_logicalWidth += newExpansion; | 139 m_logicalWidth += newExpansion; |
139 } | 140 } |
140 | 141 |
141 private: | 142 private: |
142 virtual bool isInlineTextBox() const override final { return true; } | 143 virtual bool isInlineTextBox() const override final { return true; } |
143 | 144 |
144 public: | 145 public: |
145 virtual int caretMinOffset() const override final; | 146 virtual int caretMinOffset() const override final; |
146 virtual int caretMaxOffset() const override final; | 147 virtual int caretMaxOffset() const override final; |
147 | 148 |
148 float textPos() const; // returns the x position relative to the left start
of the text line. | 149 FloatWillBeLayoutUnit textPos() const; // returns the x position relative to
the left start of the text line. |
149 | 150 |
150 public: | 151 public: |
151 virtual int offsetForPosition(float x, bool includePartialGlyphs = true) con
st; | 152 virtual int offsetForPosition(FloatWillBeLayoutUnit x, bool includePartialGl
yphs = true) const; |
152 virtual float positionForOffset(int offset) const; | 153 virtual FloatWillBeLayoutUnit positionForOffset(int offset) const; |
153 | 154 |
154 bool containsCaretOffset(int offset) const; // false for offset after line b
reak | 155 bool containsCaretOffset(int offset) const; // false for offset after line b
reak |
155 | 156 |
156 // Fills a vector with the pixel width of each character. | 157 // Fills a vector with the pixel width of each character. |
157 void characterWidths(Vector<float>&) const; | 158 void characterWidths(Vector<FloatWillBeLayoutUnit>&) const; |
158 | 159 |
159 private: | 160 private: |
160 InlineTextBox* m_prevTextBox; // The previous box that also uses our RenderO
bject | 161 InlineTextBox* m_prevTextBox; // The previous box that also uses our RenderO
bject |
161 InlineTextBox* m_nextTextBox; // The next box that also uses our RenderObjec
t | 162 InlineTextBox* m_nextTextBox; // The next box that also uses our RenderObjec
t |
162 | 163 |
163 int m_start; | 164 int m_start; |
164 unsigned short m_len; | 165 unsigned short m_len; |
165 | 166 |
166 unsigned short m_truncation; // Where to truncate when text overflow is appl
ied. We use special constants to | 167 unsigned short m_truncation; // Where to truncate when text overflow is appl
ied. We use special constants to |
167 // denote no truncation (the whole run paints) and full tr
uncation (nothing paints at all). | 168 // denote no truncation (the whole run paints) and full tr
uncation (nothing paints at all). |
168 | 169 |
169 private: | 170 private: |
170 TextRun::ExpansionBehavior expansionBehavior() const | 171 TextRun::ExpansionBehavior expansionBehavior() const |
171 { | 172 { |
172 return (canHaveLeadingExpansion() ? TextRun::AllowLeadingExpansion : Tex
tRun::ForbidLeadingExpansion) | 173 return (canHaveLeadingExpansion() ? TextRun::AllowLeadingExpansion : Tex
tRun::ForbidLeadingExpansion) |
173 | (expansion() && nextLeafChild() ? TextRun::AllowTrailingExpansion
: TextRun::ForbidTrailingExpansion); | 174 | (expansion() && nextLeafChild() ? TextRun::AllowTrailingExpansion
: TextRun::ForbidTrailingExpansion); |
174 } | 175 } |
175 }; | 176 }; |
176 | 177 |
177 DEFINE_INLINE_BOX_TYPE_CASTS(InlineTextBox); | 178 DEFINE_INLINE_BOX_TYPE_CASTS(InlineTextBox); |
178 | 179 |
179 void alignSelectionRectToDevicePixels(FloatRect&); | 180 void alignSelectionRectToDevicePixels(FloatRectWillBeLayoutRect&); |
180 | 181 |
181 inline AffineTransform InlineTextBox::rotation(const FloatRect& boxRect, Rotatio
nDirection rotationDirection) | 182 inline AffineTransform InlineTextBox::rotation(const FloatRectWillBeLayoutRect&
boxRect, RotationDirection rotationDirection) |
182 { | 183 { |
183 return rotationDirection == Clockwise ? AffineTransform(0, 1, -1, 0, boxRect
.x() + boxRect.maxY(), boxRect.maxY() - boxRect.x()) | 184 return rotationDirection == Clockwise ? AffineTransform(0, 1, -1, 0, boxRect
.x() + boxRect.maxY(), boxRect.maxY() - boxRect.x()) |
184 : AffineTransform(0, -1, 1, 0, boxRect.x() - boxRect.maxY(), boxRect.x()
+ boxRect.maxY()); | 185 : AffineTransform(0, -1, 1, 0, boxRect.x() - boxRect.maxY(), boxRect.x()
+ boxRect.maxY()); |
185 } | 186 } |
186 | 187 |
187 } // namespace blink | 188 } // namespace blink |
188 | 189 |
189 #endif // InlineTextBox_h | 190 #endif // InlineTextBox_h |
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