1 /*
2  * This file is part of the render object implementation for KHTML.
3  *
4  * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
5  *           (C) 1999-2003 Antti Koivisto (koivisto@kde.org)
6  *           (C) 2002-2003 Dirk Mueller (mueller@kde.org)
7  *           (C) 2003 Apple Computer, Inc.
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Library General Public
11  * License as published by the Free Software Foundation; either
12  * version 2 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * Library General Public License for more details.
18  *
19  * You should have received a copy of the GNU Library General Public License
20  * along with this library; see the file COPYING.LIB.  If not, write to
21  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22  * Boston, MA 02110-1301, USA.
23  *
24  */
25 
26 #ifndef RENDER_INLINE_H
27 #define RENDER_INLINE_H
28 
29 #include "render_flow.h"
30 
31 namespace khtml
32 {
33 
34 class RenderInline : public RenderFlow
35 {
36 public:
RenderInline(DOM::NodeImpl * node)37     RenderInline(DOM::NodeImpl *node) : RenderFlow(node), m_isContinuation(false) {}
38 
39     const char *renderName() const override;
40 
isRenderInline()41     bool isRenderInline() const override
42     {
43         return true;
44     }
isInlineFlow()45     bool isInlineFlow() const override
46     {
47         return true;
48     }
childrenInline()49     bool childrenInline() const override
50     {
51         return true;
52     }
53 
54     bool isInlineContinuation() const override;
55 
56     void addChildToFlow(RenderObject *newChild, RenderObject *beforeChild) override;
57 
58     void splitInlines(RenderBlock *fromBlock, RenderBlock *toBlock, RenderBlock *middleBlock,
59                       RenderObject *beforeChild, RenderFlow *oldCont);
60 
61     void splitFlow(RenderObject *beforeChild, RenderBlock *newBlockBox,
62                    RenderObject *newChild, RenderFlow *oldCont);
63 
64     void setStyle(RenderStyle *_style) override;
65     void attach() override;
66 
layout()67     void layout() override
68     {
69         setNeedsLayout(false);    // Do nothing for layout()
70     }
71 
72     void paint(PaintInfo &, int tx, int ty) override;
73 
74     bool nodeAtPoint(NodeInfo &info, int _x, int _y, int _tx, int _ty, HitTestAction hitTestAction, bool inside) override;
75 
76     void calcMinMaxWidth() override;
77 
78     // overrides RenderObject
requiresLayer()79     bool requiresLayer() const override
80     {
81         return isRelPositioned();
82     }
83 
84     short width() const override;
85     int height() const override;
86 
87     int inlineXPos() const override;
88     int inlineYPos() const override;
89 
90     // used to calculate offsetWidth/Height.  Overridden by inlines (render_flow) to return
91     // the remaining width on a given line (and the height of a single line).
92     int offsetLeft() const override;
93     int offsetTop() const override;
94 
95     RenderPosition positionForCoordinates(int x, int y) override;
96 
97     void caretPos(int offset, int flags, int &_x, int &_y, int &width, int &height) const override;
98     void paintOutlines(QPainter *p, int tx, int ty);
99 
100 protected:
101     static RenderInline *cloneInline(RenderFlow *src);
102     void paintOutlinePath(QPainter *p, int tx, int ty, const QPoint *begin, const QPoint *end, BorderSide startingBS, int initialDirection, BorderSide endingBS);
103 
104 private:
105     bool m_isContinuation : 1; // Whether or not we're a continuation of an inline.
106 
107 };
108 
109 } // namespace
110 
111 #endif // RENDER_BLOCK_H
112 
113