xref: /haiku/src/apps/midiplayer/ScopeView.h (revision 220d04022750f40f8bac8f01fa551211e28d04f2)
1 /*
2  * Copyright (c) 2004 Matthijs Hollemans
3  * Copyright (c) 2008-2014 Haiku, Inc. All rights reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21  * DEALINGS IN THE SOFTWARE.
22  */
23 #ifndef _SCOPE_VIEW_H
24 #define _SCOPE_VIEW_H
25 
26 
27 #include <View.h>
28 
29 
30 class ScopeView : public BView {
31 public:
32 	ScopeView();
33 	virtual ~ScopeView();
34 
35 	virtual void AttachedToWindow();
36 	virtual void DetachedFromWindow();
37 	virtual void Draw(BRect updateRect);
38 
39 	void SetPlaying(bool playing);
40 	void SetEnabled(bool enabled);
41 	void SetHaveFile(bool haveFile);
42 	void SetLoading(bool loading);
43 	void SetLiveInput(bool liveInput);
44 
45 private:
46 	typedef BView super;
47 
48 	static int32 _Thread(void* data);
49 	int32 Thread();
50 
51 	void DrawLoading();
52 	void DrawNoFile();
53 	void DrawDisabled();
54 	void DrawStopped();
55 	void DrawPlaying();
56 
57 	void DrawText(const char* text);
58 
59 	bool fIsFinished;
60 	bool fIsPlaying;
61 	bool fIsEnabled;
62 	bool fHaveFile;
63 	bool fIsLoading;
64 	bool fIsLiveInput;
65 
66 	int32 fSampleCount;
67 	int16* fLeftSamples;
68 	int16* fRightSamples;
69 
70 	thread_id fScopeThreadID;
71 };
72 
73 
74 inline void
75 ScopeView::SetPlaying(bool playing)
76 {
77 	fIsPlaying = playing;
78 }
79 
80 
81 inline void
82 ScopeView::SetEnabled(bool enabled)
83 {
84 	fIsEnabled = enabled;
85 }
86 
87 
88 inline void
89 ScopeView::SetHaveFile(bool haveFile)
90 {
91 	fHaveFile = haveFile;
92 }
93 
94 
95 inline void
96 ScopeView::SetLoading(bool loading)
97 {
98 	fIsLoading = loading;
99 }
100 
101 
102 inline void
103 ScopeView::SetLiveInput(bool liveInput)
104 {
105 	fIsLiveInput = liveInput;
106 }
107 
108 
109 #endif // _SCOPE_VIEW_H
110