haiku/headers/os/interface/Slider.h

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/*
* Copyright 2001-2006, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Marc Flerackers (mflerackers@androme.be)
*/
#ifndef _SLIDER_H
#define _SLIDER_H
#include <BeBuild.h>
#include <Control.h>
enum hash_mark_location {
B_HASH_MARKS_NONE = 0,
B_HASH_MARKS_TOP = 1,
B_HASH_MARKS_LEFT = 1,
B_HASH_MARKS_BOTTOM = 2,
B_HASH_MARKS_RIGHT = 2,
B_HASH_MARKS_BOTH = 3
};
enum thumb_style {
B_BLOCK_THUMB,
B_TRIANGLE_THUMB
};
#define USE_OFF_SCREEN_VIEW 0
class BSlider : public BControl {
public:
BSlider(BRect frame, const char *name, const char *label,
BMessage *message, int32 minValue, int32 maxValue,
thumb_style thumbType = B_BLOCK_THUMB,
uint32 resizingMode = B_FOLLOW_LEFT | B_FOLLOW_TOP,
uint32 flags = B_NAVIGABLE | B_WILL_DRAW | B_FRAME_EVENTS);
BSlider(BRect frame, const char *name, const char *label,
BMessage *message, int32 minValue, int32 maxValue,
orientation posture, thumb_style thumbType = B_BLOCK_THUMB,
uint32 resizingMode = B_FOLLOW_LEFT | B_FOLLOW_TOP,
uint32 flags = B_NAVIGABLE | B_WILL_DRAW | B_FRAME_EVENTS);
BSlider(BMessage *data);
virtual ~BSlider();
static BArchivable *Instantiate(BMessage *data);
virtual status_t Archive(BMessage *data, bool deep = true) const;
virtual status_t Perform(perform_code d, void *arg);
virtual void WindowActivated(bool state);
virtual void AttachedToWindow();
virtual void AllAttached();
virtual void AllDetached();
virtual void DetachedFromWindow();
virtual void MessageReceived(BMessage *msg);
virtual void FrameMoved(BPoint new_position);
virtual void FrameResized(float w,float h);
virtual void KeyDown(const char * bytes, int32 n);
virtual void MouseDown(BPoint);
virtual void MouseUp(BPoint pt);
virtual void MouseMoved(BPoint pt, uint32 c, const BMessage *m);
virtual void Pulse();
virtual void SetLabel(const char *label);
virtual void SetLimitLabels(const char *minLabel,
const char *maxLabel);
const char* MinLimitLabel() const;
const char* MaxLimitLabel() const;
virtual void SetValue(int32);
virtual int32 ValueForPoint(BPoint) const;
virtual void SetPosition(float);
float Position() const;
virtual void SetEnabled(bool on);
void GetLimits(int32 * minimum, int32 * maximum);
virtual void Draw(BRect);
virtual void DrawSlider();
virtual void DrawBar();
virtual void DrawHashMarks();
virtual void DrawThumb();
virtual void DrawFocusMark();
virtual void DrawText();
virtual char* UpdateText() const;
virtual BRect BarFrame() const;
virtual BRect HashMarksFrame() const;
virtual BRect ThumbFrame() const;
virtual void SetFlags(uint32 flags);
virtual void SetResizingMode(uint32 mode);
virtual void GetPreferredSize( float *width, float *height);
virtual void ResizeToPreferred();
virtual status_t Invoke(BMessage *msg=NULL);
virtual BHandler* ResolveSpecifier(BMessage *msg, int32 index,
BMessage *specifier, int32 form,
const char *property);
virtual status_t GetSupportedSuites(BMessage* data);
virtual void SetModificationMessage(BMessage *message);
BMessage* ModificationMessage() const;
virtual void SetSnoozeAmount(int32);
int32 SnoozeAmount() const;
virtual void SetKeyIncrementValue(int32 value);
int32 KeyIncrementValue() const;
virtual void SetHashMarkCount(int32 count);
int32 HashMarkCount() const;
virtual void SetHashMarks(hash_mark_location where);
hash_mark_location HashMarks() const;
virtual void SetStyle(thumb_style s);
thumb_style Style() const;
virtual void SetBarColor(rgb_color);
rgb_color BarColor() const;
virtual void UseFillColor(bool, const rgb_color* c=NULL);
bool FillColor(rgb_color*) const;
BView* OffscreenView() const;
orientation Orientation() const;
virtual void SetOrientation(orientation);
float BarThickness() const;
virtual void SetBarThickness(float thickness);
virtual void SetFont(const BFont *font, uint32 properties = B_FONT_ALL);
virtual void SetLimits(int32 minimum, int32 maximum);
private:
void _DrawBlockThumb();
void _DrawTriangleThumb();
BPoint _Location() const;
void _SetLocation(BPoint p);
float _MinPosition() const;
float _MaxPosition() const;
bool _ConstrainPoint(BPoint& point, BPoint compare) const;
virtual void _ReservedSlider5();
virtual void _ReservedSlider6();
virtual void _ReservedSlider7();
virtual void _ReservedSlider8();
virtual void _ReservedSlider9();
virtual void _ReservedSlider10();
virtual void _ReservedSlider11();
virtual void _ReservedSlider12();
BSlider& operator=(const BSlider &);
void _InitObject();
private:
BMessage* fModificationMessage;
int32 fSnoozeAmount;
rgb_color fBarColor;
rgb_color fFillColor;
bool fUseFillColor;
char* fMinLimitLabel;
char* fMaxLimitLabel;
char* fUpdateText;
int32 fMinValue;
int32 fMaxValue;
int32 fKeyIncrementValue;
int32 fHashMarkCount;
hash_mark_location fHashMarks;
#if USE_OFF_SCREEN_VIEW
BBitmap* fOffScreenBits;
BView* fOffScreenView;
#endif
thumb_style fStyle;
BPoint fLocation;
BPoint fInitialLocation;
orientation fOrientation;
float fBarThickness;
#if USE_OFF_SCREEN_VIEW
uint32 _reserved[7];
#else
uint32 _reserved[9];
#endif
};
#endif // _SLIDER_H