src/apps/networkstatus/RadioView.h

   1 /*
   2  * Copyright 2010, Axel Dörfler, axeld@pinc-software.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef RADIO_VIEW_H
   6 #define RADIO_VIEW_H
   7
   8
   9 #include <View.h>
  10
  11
  12 class BMessageRunner;
  13
  14
  15 class RadioView : public BView {
  16 public:
  17                                                                 RadioView(BRect frame, const char* name,
  18                                                                         int32 resizingMode);
  19         virtual                                         ~RadioView();
  20
  21                         void                            SetPercent(int32 percent);
  22                         void                            SetMax(int32 max);
  23
  24                         void                            StartPulsing();
  25                         void                            StopPulsing();
  26                         bool                            IsPulsing() const
  27                                                                         { return fPulse != NULL; }
  28
  29         static  void                            Draw(BView* view, BRect rect, int32 percent,
  30                                                                         int32 count);
  31         static  int32                           DefaultMax();
  32
  33 protected:
  34         virtual void                            AttachedToWindow();
  35         virtual void                            DetachedFromWindow();
  36
  37         virtual void                            MessageReceived(BMessage* message);
  38         virtual void                            Draw(BRect updateRect);
  39         virtual void                            FrameResized(float width, float height);
  40
  41 private:
  42                         void                            _RestartPulsing();
  43
  44         static  void                            _Compute(const BRect& bounds, BPoint& center,
  45                                                                         int32& count, int32 max, float& step);
  46         static  void                            _DrawBow(BView* view, int32 index,
  47                                                                         const BPoint& center, int32 count,
  48                                                                         float step);
  49         static  void                            _SetColor(BView* view, int32 percent,
  50                                                                         int32 phase, int32 index, int32 count);
  51         static  bool                            _IsDisabled(int32 percent, int32 index,
  52                                                                         int32 count);
  53
  54 private:
  55                         int32                           fPercent;
  56                         BMessageRunner*         fPulse;
  57                         int32                           fPhase;
  58                         int32                           fMax;
  59 };
  60
  61
  62 #endif  // RADIO_VIEW_H