fe66a314c8
This reverts commit ec1b18c58a.
This was not well enough reviewed, and it seems that at least some
consumers of the old API (e.g. WebPositive) need more than the new one provides.
Change-Id: Ie7ad1fc70dab889922424298661504b00f66d31d
151 lines
4.2 KiB
C++
151 lines
4.2 KiB
C++
/*
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* Copyright 2001-2008, Haiku, Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _SCROLL_BAR_H
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#define _SCROLL_BAR_H
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#include <View.h>
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#define B_V_SCROLL_BAR_WIDTH 14.0f
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#define B_H_SCROLL_BAR_HEIGHT 14.0f
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// TODO: shouldn't these be moved into the implementation?
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#define SCROLL_BAR_MAXIMUM_KNOB_SIZE 50
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#define SCROLL_BAR_MINIMUM_KNOB_SIZE 9
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#define DISABLES_ON_WINDOW_DEACTIVATION 1
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class BScrollBar : public BView {
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public:
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BScrollBar(BRect frame, const char* name,
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BView* target, float min, float max,
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orientation direction);
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BScrollBar(const char* name, BView* target,
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float min, float max,
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orientation orientation);
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BScrollBar(BMessage* archive);
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virtual ~BScrollBar();
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static BArchivable* Instantiate(BMessage* archive);
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virtual status_t Archive(BMessage* archive,
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bool deep = true) const;
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virtual void AllAttached();
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virtual void AllDetached();
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virtual void AttachedToWindow();
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virtual void DetachedFromWindow();
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virtual void Draw(BRect updateRect);
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virtual void FrameMoved(BPoint new_position);
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virtual void FrameResized(float newWidth, float newHeight);
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virtual void MessageReceived(BMessage* message);
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virtual void MouseDown(BPoint where);
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virtual void MouseUp(BPoint where);
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virtual void MouseMoved(BPoint where, uint32 code,
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const BMessage* dragMessage);
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#if DISABLES_ON_WINDOW_DEACTIVATION
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virtual void WindowActivated(bool active);
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#endif
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void SetValue(float value);
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float Value() const;
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void SetProportion(float);
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float Proportion() const;
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virtual void ValueChanged(float newValue);
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void SetRange(float min, float max);
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void GetRange(float* _min, float* _max) const;
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void SetSteps(float smallStep, float largeStep);
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void GetSteps(float* _smallStep,
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float* _largeStep) const;
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void SetTarget(BView *target);
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void SetTarget(const char* targetName);
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BView* Target() const;
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void SetOrientation(orientation direction);
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orientation Orientation() const;
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// TODO: Make this a virtual method, it should be one,
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// but it's not important right now. This is supposed
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// to be used in case the BScrollBar should draw part of
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// the focus indication of the target view for aesthetical
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// reasons. BScrollView will forward this method.
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status_t SetBorderHighlighted(bool highlight);
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virtual void GetPreferredSize(float* _width,
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float* _height);
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virtual void ResizeToPreferred();
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virtual void MakeFocus(bool focus = true);
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virtual BSize MinSize();
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virtual BSize MaxSize();
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virtual BSize PreferredSize();
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virtual status_t GetSupportedSuites(BMessage* message);
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virtual BHandler* ResolveSpecifier(BMessage* message,
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int32 index, BMessage* specifier,
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int32 what, const char* property);
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virtual status_t Perform(perform_code d, void* arg);
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private:
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class Private;
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friend class Private;
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friend status_t control_scrollbar(scroll_bar_info* info,
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BScrollBar *bar);
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// for use within the preflet
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virtual void _ReservedScrollBar1();
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virtual void _ReservedScrollBar2();
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virtual void _ReservedScrollBar3();
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virtual void _ReservedScrollBar4();
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// disabled
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BScrollBar& operator=(const BScrollBar& other);
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bool _DoubleArrows() const;
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void _UpdateThumbFrame();
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float _ValueFor(BPoint where) const;
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int32 _ButtonFor(BPoint where) const;
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BRect _ButtonRectFor(int32 button) const;
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void _UpdateTargetValue(BPoint where);
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void _UpdateArrowButtons();
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void _DrawDisabledBackground(BRect area,
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const rgb_color& light,
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const rgb_color& dark,
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const rgb_color& fill);
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void _DrawArrowButton(int32 direction,
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bool doubleArrows, BRect frame,
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const BRect& updateRect,
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bool enabled, bool down);
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BSize _MinSize() const;
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private:
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float fMin;
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float fMax;
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float fSmallStep;
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float fLargeStep;
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float fValue;
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float fProportion;
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BView* fTarget;
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orientation fOrientation;
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Private* fPrivateData;
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uint32 _reserved[4];
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};
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#endif // _SCROLL_BAR_H
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