114 lines
3.0 KiB
C
114 lines
3.0 KiB
C
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//===== Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ======//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//===========================================================================//
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#ifndef SCROLLBARSLIDER_H
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#define SCROLLBARSLIDER_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include <vgui/VGUI.h>
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#include <vgui_controls/Panel.h>
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namespace vgui
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{
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class IBorder;
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//-----------------------------------------------------------------------------
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// Purpose: ScrollBarSlider bar, as used in ScrollBar's
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//-----------------------------------------------------------------------------
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class ScrollBarSlider : public Panel
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{
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DECLARE_CLASS_SIMPLE( ScrollBarSlider, Panel );
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public:
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enum SliderBorderType_t
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{
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Slider_Idle = 0,
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Slider_Hover,
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Slider_Dragging,
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Slider_Count,
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};
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ScrollBarSlider(Panel *parent, const char *panelName, bool vertical);
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// Set the ScrollBarSlider value of the nob.
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virtual void SetValue(int value);
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virtual int GetValue();
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// Check whether the scroll bar is vertical or not
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virtual bool IsVertical();
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// Set max and min range of lines to display
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virtual void SetRange(int min, int max);
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virtual void GetRange(int &min, int &max);
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// Set number of rows that can be displayed in window
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virtual void SetRangeWindow(int rangeWindow);
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// Get number of rows that can be displayed in window
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virtual int GetRangeWindow();
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// Set the size of the ScrollBarSlider nob
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virtual void SetSize(int wide, int tall);
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// Get current ScrollBarSlider bounds
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virtual void GetNobPos(int &min, int &max);
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virtual bool HasFullRange();
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virtual void SetButtonOffset(int buttonOffset);
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virtual void OnCursorMoved(int x, int y);
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virtual void OnMousePressed(MouseCode code);
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virtual void OnMouseDoublePressed(MouseCode code);
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virtual void OnMouseReleased(MouseCode code);
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// Return true if this slider is actually drawing itself
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virtual bool IsSliderVisible( void );
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virtual bool IsMouseOverNob();
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protected:
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virtual void Paint();
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virtual void PaintBackground();
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virtual void PerformLayout();
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virtual void ApplySchemeSettings(IScheme *pScheme);
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virtual void OnCursorEntered();
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virtual void OnCursorExited();
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private:
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virtual void RecomputeNobPosFromValue();
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virtual void RecomputeValueFromNobPos();
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virtual void SendScrollBarSliderMovedMessage();
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virtual void SendScrollBarSliderReleasedMessage();
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void SetNobFocusColor( const Color &color );
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void SetNobDragColor( const Color &color );
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bool _vertical;
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bool _dragging;
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bool m_bCursorOver;
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int _nobPos[2];
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int _nobDragStartPos[2];
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int _dragStartPos[2];
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int _range[2];
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int _value; // the position of the ScrollBarSlider, in coordinates as specified by SetRange/SetRangeWindow
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int _rangeWindow;
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int _buttonOffset;
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int m_nNobInset;
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IBorder *_ScrollBarSliderBorder[ Slider_Count ];
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Color m_NobFocusColor;
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Color m_NobDragColor;
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};
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} // namespace vgui
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#endif // SCROLLBARSLIDER_H
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