src/apps/midiplayer/ScopeView.h

   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