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[haiku.git] / src / apps / cortex / TipManager / TipView.h
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1 /*
2 * Copyright (c) 1999-2000, Eric Moon.
3 * All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions, and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions, and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
27 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 // TipView.h
33 // * PURPOSE
34 // Provide a basic, extensible 'ToolTip' view, designed
35 // to be hosted by a floating window (TipWindow).
36 // * HISTORY
37 // e.moon 20oct99 multi-line support
38 // e.moon 17oct99 Begun.
40 #ifndef __TipView_H__
41 #define __TipView_H__
43 #include <Font.h>
44 #include <String.h>
45 #include <View.h>
47 #include <vector>
49 #include "cortex_defs.h"
50 __BEGIN_CORTEX_NAMESPACE
52 class TipWindow;
54 class TipView :
55 public BView {
56 typedef BView _inherited;
58 public: // *** dtor/ctors
59 virtual ~TipView();
60 TipView();
62 public: // *** operations
64 // if attached to a BWindow, the window must be locked
65 virtual void setText(
66 const char* text);
68 public: // *** BView
70 virtual void Draw(
71 BRect updateRect);
73 virtual void FrameResized(
74 float width,
75 float height);
77 virtual void GetPreferredSize(
78 float* outWidth,
79 float* outHeight);
81 private: // implementation
82 BString m_text;
83 BPoint m_offset;
85 BFont m_font;
86 font_height m_fontHeight;
88 rgb_color m_textColor;
89 rgb_color m_borderLoColor;
90 rgb_color m_borderHiColor;
91 rgb_color m_viewColor;
94 typedef std::vector<int32> line_set;
95 line_set m_lineSet;
97 private:
98 static const float s_xPad;
99 static const float s_yPad;
101 void _initColors();
102 void _initFont();
103 void _updateLayout(
104 float width,
105 float height);
107 void _setText(
108 const char* text);
110 float _maxTextWidth();
111 float _textHeight();
114 __END_CORTEX_NAMESPACE
115 #endif /*__TipView_H__*/