1/*
2 * Copyright (c) 1999-2000, Eric Moon.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions, and the following disclaimer.
11 *
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.
15 *
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.
18 *
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.
29 */
30
31
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.
39
40#ifndef __TipView_H__
41#define __TipView_H__
42
43#include <Font.h>
44#include <String.h>
45#include <View.h>
46
47#include <vector>
48
49#include "cortex_defs.h"
50__BEGIN_CORTEX_NAMESPACE
51
52class TipWindow;
53
54class TipView :
55	public	BView {
56	typedef	BView _inherited;
57
58public:											// *** dtor/ctors
59	virtual ~TipView();
60	TipView();
61
62public:											// *** operations
63
64	// if attached to a BWindow, the window must be locked
65	virtual void setText(
66		const char*							text);
67
68public:											// *** BView
69
70	virtual void Draw(
71		BRect										updateRect);
72
73	virtual void FrameResized(
74		float										width,
75		float										height);
76
77	virtual void GetPreferredSize(
78		float*									outWidth,
79		float*									outHeight);
80
81private:										// implementation
82	BString										m_text;
83	BPoint										m_offset;
84
85	BFont											m_font;
86	font_height								m_fontHeight;
87
88	rgb_color									m_textColor;
89	rgb_color									m_borderLoColor;
90	rgb_color									m_borderHiColor;
91	rgb_color									m_viewColor;
92
93
94	typedef std::vector<int32> line_set;
95	line_set									m_lineSet;
96
97private:
98	static const float				s_xPad;
99	static const float				s_yPad;
100
101	void _initColors();
102	void _initFont();
103	void _updateLayout(
104		float										width,
105		float										height);
106
107	void _setText(
108		const char*							text);
109
110	float _maxTextWidth();
111	float _textHeight();
112};
113
114__END_CORTEX_NAMESPACE
115#endif /*__TipView_H__*/
116