src/apps/mediaplayer/interface/VolumeSlider.h

   1 /*
   2  * Copyright 2006-2010, Haiku.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Stephan Aßmus <superstippi@gmx.de>
   7  */
   8 #ifndef VOLUME_SLIDER_H
   9 #define VOLUME_SLIDER_H
  10
  11
  12 #include <Slider.h>
  13
  14
  15 class VolumeSlider : public BSlider {
  16 public:
  17                                                                 VolumeSlider(const char* name,
  18                                                                         int32 minValue, int32 maxValue,
  19                                                                         int32 snapValue, BMessage* message = NULL);
  20
  21         virtual                                         ~VolumeSlider();
  22
  23         // BSlider interface
  24         virtual void                            MouseMoved(BPoint where, uint32 transit,
  25                                                                         const BMessage* dragMessage);
  26
  27         virtual BRect                           ThumbFrame() const;
  28         virtual void                            DrawThumb();
  29
  30         virtual BSize                           MinSize();
  31
  32         // VolumeSlider
  33                         void                            SetMuted(bool mute);
  34                         bool                            IsMuted() const
  35                                                                         { return fMuted; }
  36
  37                         float                           PreferredBarThickness() const;
  38
  39 private:
  40                         float                           _PointForValue(int32 value) const;
  41
  42 private:
  43                         bool                            fMuted;
  44
  45                         int32                           fSnapValue;
  46                         bool                            fSnapping;
  47                         float                           fMinSnap;
  48                         float                           fMaxSnap;
  49 };
  50
  51 #endif  // VOLUME_SLIDER_H