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// StatusView.h (Cortex/ParameterWindow)
33//
34// * PURPOSE
35//	 a small view to display a short message string with
36//   an icon. for error messages, it will play a sound for
37//   catching the users attention. messages will decay slowly
38//   (become fully transparent). all this to avoid modal alert
39//   boxes for error notification.
40//
41// * TODO
42//   reduce flicker while message decay
43//
44// * HISTORY
45//   c.lenz		21may00		Begun
46//
47
48#ifndef __StatusView_H__
49#define __StatusView_H__
50
51// Interface Kit
52#include <StringView.h>
53// Support Kit
54#include <String.h>
55
56#include "cortex_defs.h"
57
58class BBitmap;
59class BMessageRunner;
60
61__BEGIN_CORTEX_NAMESPACE
62
63class RouteAppNodeManager;
64
65class StatusView :
66	public BStringView {
67
68public:					// *** ctor/dtor
69
70						StatusView(
71							BRect frame,
72							RouteAppNodeManager *manager,
73							BScrollBar *scrollBar = 0);
74
75	virtual				~StatusView();
76
77public:					// *** BScrollView impl.
78
79	virtual void		AttachedToWindow();
80
81	virtual void		Draw(
82							BRect updateRect);
83
84	virtual void		FrameResized(
85							float width,
86							float height);
87
88	virtual void		MessageReceived(
89							BMessage *message);
90
91	virtual void		MouseDown(
92							BPoint point);
93
94	virtual void		MouseMoved(
95							BPoint point,
96							uint32 transit,
97							const BMessage *message);
98
99	virtual void		MouseUp(
100							BPoint point);
101
102//	virtual void		Pulse();
103
104public:					// *** operations
105
106	void				drawInto(
107							BView *view,
108							BRect updateRect);
109
110	void				setMessage(
111							BString &title,
112							BString &details,
113							status_t error = B_OK);
114
115	void				setErrorMessage(
116							BString text,
117							bool error = false);
118
119	void				startFade();
120
121	void				fadeTick();
122
123	void				allocBackBitmap(
124							float width,
125							float height);
126
127	void				freeBackBitmap();
128
129private:					// *** data members
130
131	// the sibling scrollbar which should be resized by the
132	// status view
133	BScrollBar *			m_scrollBar;
134
135	BBitmap	*				m_icon;
136
137	// from 0.0 to 1.0
138	float					m_opacity;
139	int32					m_decayDelay;
140	BMessageRunner *		m_clock;
141
142	// untruncated string
143	BString					m_fullText;
144
145	// is being resized
146	bool					m_dragging;
147
148	// offscreen buffer
149	BBitmap *				m_backBitmap;
150	BView *					m_backView;
151	bool					m_dirty;
152
153	RouteAppNodeManager *	m_manager;
154};
155
156__END_CORTEX_NAMESPACE
157#endif /* __StatusView_H__ */
158