2002-10-23 17:54:44 +04:00
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/*******************************************************************************
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/
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/ File: ChannelSlider.h
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/
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/ Description: BChannelSlider implements a slider which can have a number
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/ of (on-screen) related values. A typical use is for a stereo
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/ volume control.
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/
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/ Copyright 1998-99, Be Incorporated, All Rights Reserved
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/
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*******************************************************************************/
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2009-01-08 18:48:10 +03:00
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#ifndef _CHANNEL_SLIDER_H
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2002-10-23 17:54:44 +04:00
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#define _CHANNEL_SLIDER_H
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2009-01-08 18:48:10 +03:00
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2002-10-23 17:54:44 +04:00
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#include <ChannelControl.h>
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2009-01-08 18:48:10 +03:00
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class BChannelSlider : public BChannelControl
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2002-10-23 17:54:44 +04:00
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{
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public:
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2009-01-08 18:48:10 +03:00
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BChannelSlider(BRect area, const char* name,
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const char* label, BMessage* message,
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int32 channels = 1,
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uint32 resize = B_FOLLOW_LEFT | B_FOLLOW_TOP,
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uint32 flags = B_WILL_DRAW);
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BChannelSlider(BRect area, const char* name,
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const char* label, BMessage* message,
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orientation o, int32 channels = 1,
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uint32 resize = B_FOLLOW_LEFT | B_FOLLOW_TOP,
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uint32 flags = B_WILL_DRAW);
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BChannelSlider(BMessage* archive);
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2002-10-23 17:54:44 +04:00
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virtual ~BChannelSlider();
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2009-01-08 18:48:10 +03:00
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static BArchivable* Instantiate(BMessage* from);
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virtual status_t Archive(BMessage* into, bool deep = true) const;
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virtual orientation Orientation() const;
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void SetOrientation(orientation o);
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virtual int32 MaxChannelCount() const;
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virtual bool SupportsIndividualLimits() const;
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virtual void AttachedToWindow();
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virtual void AllAttached();
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virtual void DetachedFromWindow();
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virtual void AllDetached();
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virtual void MessageReceived(BMessage* msg);
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virtual void Draw(BRect area);
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virtual void MouseDown(BPoint where);
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virtual void MouseUp(BPoint pt);
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virtual void MouseMoved(BPoint pt,uint32 code,
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const BMessage* message);
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virtual void WindowActivated(bool state);
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virtual void KeyDown(const char* bytes, int32 numBytes);
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virtual void KeyUp(const char* bytes, int32 numBytes);
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virtual void FrameResized(float width, float height);
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virtual void SetFont(const BFont* font, uint32 mask = B_FONT_ALL);
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virtual void MakeFocus(bool focusState = true);
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virtual void SetEnabled(bool on);
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virtual void GetPreferredSize(float* width, float* height);
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virtual BHandler* ResolveSpecifier(BMessage* msg, int32 index,
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BMessage* specifier, int32 form, const char* p);
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virtual status_t GetSupportedSuites(BMessage* data);
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// Perform rendering for an entire slider channel.
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virtual void DrawChannel(BView* into, int32 channel, BRect area,
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bool pressed);
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// Draw groove that appears behind a channel's thumb.
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virtual void DrawGroove(BView* into, int32 channel, BPoint lt,
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BPoint br);
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// Draw the thumb for a single channel.
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virtual void DrawThumb(BView* into, int32 channel, BPoint where,
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bool pressed);
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virtual const BBitmap* ThumbFor(int32 channel, bool pressed);
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virtual BRect ThumbFrameFor(int32 channel);
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virtual float ThumbDeltaFor(int32 channel);
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virtual float ThumbRangeFor(int32 channel);
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private:
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BChannelSlider(const BChannelSlider &);
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BChannelSlider& operator=(const BChannelSlider &);
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virtual void _Reserved_BChannelSlider_0(void* , ...);
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virtual void _Reserved_BChannelSlider_1(void* , ...);
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virtual void _Reserved_BChannelSlider_2(void* , ...);
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virtual void _Reserved_BChannelSlider_3(void* , ...);
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virtual void _Reserved_BChannelSlider_4(void* , ...);
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virtual void _Reserved_BChannelSlider_5(void* , ...);
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virtual void _Reserved_BChannelSlider_6(void* , ...);
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virtual void _Reserved_BChannelSlider_7(void* , ...);
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float fBaseLine;
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float fLineFeed;
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BBitmap* fLeftKnob;
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BBitmap* fMidKnob;
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BBitmap* fRightKnob;
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BBitmap* fBacking;
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BView* fBackingView;
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bool fVertical;
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bool fPadding[3];
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BPoint fClickDelta;
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int32 fCurrentChannel;
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bool fAllChannels;
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int32* fInitialValues;
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float fMinpoint;
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int32 fFocusChannel;
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uint32 _reserved_[12];
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void _InitData();
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2009-02-07 19:55:13 +03:00
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void _FinishChange(bool update = false);
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void _UpdateFontDimens();
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void _DrawThumbs();
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void _DrawGrooveFrame(BView* where, const BRect& area);
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bool _Vertical() const;
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void _Redraw();
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void _MouseMovedCommon(BPoint point, BPoint point2);
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2002-10-23 17:54:44 +04:00
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};
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#endif /* _CHANNEL_SLIDER_H */
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