src/apps/soundrecorder/TrackSlider.h

   1 /*
   2  * Copyright 2005, Jérôme Duval. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Inspired by SoundCapture from Be newsletter (Media Kit Basics: Consumers and Producers)
   6  */
   7 #ifndef TRACKSLIDER_H
   8 #define TRACKSLIDER_H
   9
  10 #include <Control.h>
  11 #include <Bitmap.h>
  12 #include <Font.h>
  13
  14 class SliderOffscreenView : public BView {
  15
  16 public:
  17         SliderOffscreenView(BRect frame, const char *name);
  18         virtual         ~SliderOffscreenView();
  19         virtual void    DrawX();
  20
  21         BBitmap leftBitmap, rightBitmap;
  22         BBitmap leftThumbBitmap, rightThumbBitmap;
  23         float fRight;
  24
  25         float fLeftX;
  26         float fRightX;
  27         float fPositionX;
  28         float fLastX;
  29 };
  30
  31 class TrackSlider : public BControl
  32 {
  33 public:
  34         TrackSlider(BRect rect, const char* title, BMessage *msg, uint32 resizeFlags);
  35         ~TrackSlider();
  36         void AttachedToWindow();
  37         virtual void Draw(BRect);
  38         virtual void MouseMoved(BPoint point, uint32 transit, const BMessage *message);
  39         virtual void MouseUp(BPoint point);
  40         virtual void MouseDown(BPoint point);
  41         void SetMainTime(bigtime_t timestamp, bool reset);
  42         void SetTotalTime(bigtime_t timestamp, bool reset);
  43         bigtime_t * MainTime() { return &fMainTime; };
  44         bigtime_t RightTime() { return fRightTime; };
  45         bigtime_t LeftTime() { return fLeftTime; };
  46         void ResetMainTime();
  47         virtual void FrameResized(float width, float height);
  48 private:
  49         void _DrawCounter(bigtime_t timestamp, float position, bool isTracking);
  50         void _DrawMarker(float position);
  51         void _TimeToString(bigtime_t timestamp, char *string);
  52         void _UpdatePosition(BPoint point);
  53         void _InitBitmap();
  54         void _RenderBitmap();
  55
  56
  57         bigtime_t fLeftTime;
  58         bigtime_t fRightTime;
  59         bigtime_t fMainTime;
  60         bigtime_t fTotalTime;
  61
  62         bool fLeftTracking;
  63         bool fRightTracking;
  64         bool fMainTracking;
  65
  66         BFont fFont;
  67         BBitmap *fBitmap;
  68         SliderOffscreenView *fBitmapView;
  69
  70 };
  71
  72
  73 #endif  /* TRACKSLIDER_H */