haiku/headers/os/interface/ChannelSlider.h

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/*
* Copyright 2009, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT license.
*/
#ifndef _CHANNEL_SLIDER_H
#define _CHANNEL_SLIDER_H
#include <ChannelControl.h>
class BChannelSlider : public BChannelControl {
public:
BChannelSlider(BRect area, const char* name,
const char* label, BMessage* message,
int32 channels = 1,
uint32 resizeMode
= B_FOLLOW_LEFT | B_FOLLOW_TOP,
uint32 flags = B_WILL_DRAW);
BChannelSlider(BRect area, const char* name,
const char* label, BMessage* message,
enum orientation orientation,
int32 channels = 1,
uint32 resizeMode
= B_FOLLOW_LEFT | B_FOLLOW_TOP,
uint32 flags = B_WILL_DRAW);
BChannelSlider(const char* name,
const char* label, BMessage* message,
enum orientation orientation,
int32 channels = 1,
uint32 flags = B_WILL_DRAW);
BChannelSlider(BMessage* archive);
virtual ~BChannelSlider();
static BArchivable* Instantiate(BMessage* from);
virtual status_t Archive(BMessage* into,
bool deep = true) const;
virtual void AttachedToWindow();
virtual void AllAttached();
virtual void DetachedFromWindow();
virtual void AllDetached();
virtual void MessageReceived(BMessage* message);
virtual void Draw(BRect updateRect);
virtual void MouseDown(BPoint where);
virtual void MouseUp(BPoint where);
virtual void MouseMoved(BPoint where, uint32 transit,
const BMessage* dragMessage);
virtual void WindowActivated(bool state);
virtual void KeyDown(const char* bytes, int32 numBytes);
virtual void KeyUp(const char* bytes, int32 numBytes);
virtual void FrameResized(float width, float height);
virtual void SetFont(const BFont* font,
uint32 mask = B_FONT_ALL);
virtual void MakeFocus(bool focusState = true);
virtual void GetPreferredSize(float* _width, float* _height);
virtual BHandler* ResolveSpecifier(BMessage* message,
int32 index, BMessage* specifier,
int32 form, const char* property);
virtual status_t GetSupportedSuites(BMessage* data);
virtual void SetEnabled(bool on);
virtual orientation Orientation() const;
void SetOrientation(enum orientation orientation);
virtual int32 MaxChannelCount() const;
virtual bool SupportsIndividualLimits() const;
virtual void DrawChannel(BView* into, int32 channel,
BRect area, bool pressed);
virtual void DrawGroove(BView* into, int32 channel,
BPoint leftTop, BPoint rightBottom);
virtual void DrawThumb(BView* into, int32 channel,
BPoint where, bool pressed);
virtual const BBitmap* ThumbFor(int32 channel, bool pressed);
virtual BRect ThumbFrameFor(int32 channel);
virtual float ThumbDeltaFor(int32 channel);
virtual float ThumbRangeFor(int32 channel);
private:
// FBC padding
BChannelSlider(const BChannelSlider&);
BChannelSlider& operator=(const BChannelSlider&);
virtual void _Reserved_BChannelSlider_0(void*, ...);
virtual void _Reserved_BChannelSlider_1(void*, ...);
virtual void _Reserved_BChannelSlider_2(void*, ...);
virtual void _Reserved_BChannelSlider_3(void*, ...);
virtual void _Reserved_BChannelSlider_4(void*, ...);
virtual void _Reserved_BChannelSlider_5(void*, ...);
virtual void _Reserved_BChannelSlider_6(void*, ...);
virtual void _Reserved_BChannelSlider_7(void*, ...);
private:
void _InitData();
void _FinishChange(bool update = false);
void _UpdateFontDimens();
void _DrawThumbs();
void _DrawGrooveFrame(BView* where,
const BRect& area);
void _MouseMovedCommon(BPoint point, BPoint point2);
private:
float fBaseLine;
float fLineFeed;
BBitmap* fLeftKnob;
BBitmap* fMidKnob;
BBitmap* fRightKnob;
BBitmap* fBacking;
BView* fBackingView;
bool fIsVertical;
bool _padding_[3];
BPoint fClickDelta;
int32 fCurrentChannel;
bool fAllChannels;
int32* fInitialValues;
float fMinPoint;
int32 fFocusChannel;
uint32 _reserved_[12];
};
#endif // _CHANNEL_SLIDER_H