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134 lines
3.9 KiB
C++
134 lines
3.9 KiB
C++
//========= Copyright 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 SCROLLBAR_H
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#define SCROLLBAR_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 Button;
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class ScrollBarSlider;
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//-----------------------------------------------------------------------------
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// Purpose: Generic scrollbar
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// Uses Buttons & SliderBars for the main functionality
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//-----------------------------------------------------------------------------
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class ScrollBar : public Panel
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{
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DECLARE_CLASS_SIMPLE( ScrollBar, Panel );
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public:
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ScrollBar(Panel *parent, const char *panelName, bool vertical);
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// Set the value of the scroll bar slider.
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virtual void SetValue(int value);
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// Get the value of the scroll bar slider.
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virtual int GetValue();
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// Set the rangeof numbers the slider can scroll through
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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 how many lines are displayed at one time
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// in the window the scroll bar is attached to.
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virtual void SetRangeWindow(int rangeWindow);
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// Get how many lines are displayed at one time
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// in the window the scroll bar is attached to.
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virtual int GetRangeWindow();
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// Check if the scrollbar is vertical or horizontal
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virtual bool IsVertical();
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// Purpose: Check if the slider can move through one or more pixels per
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// unit of its range.
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virtual bool HasFullRange();
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// Setup the indexed scroll bar button with the input params.
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virtual void SetButton(Button* button,int index);
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// Return the indexed scroll bar button
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virtual Button *GetButton(int index);
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// Set up the slider.
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virtual void SetSlider(ScrollBarSlider* slider);
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// Return a pointer to the slider.
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virtual ScrollBarSlider *GetSlider();
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// Set how far the scroll bar slider moves
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// when a scroll bar button is pressed
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virtual void SetButtonPressedScrollValue(int value);
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virtual void Validate();
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// Update and look for clicks when mouse is in the scroll bar window.
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virtual void OnMouseFocusTicked();
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// Set the slider's Paint border enabled.
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virtual void SetPaintBorderEnabled(bool state);
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// Set the slider's Paint background enabled.
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virtual void SetPaintBackgroundEnabled(bool state);
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// Set the slider's Paint enabled.
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virtual void SetPaintEnabled(bool state);
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// Sets the scrollbar buttons visible or not
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virtual void SetScrollbarButtonsVisible(bool visible);
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void SetAutohideButtons( bool bAutohide ) { m_bAutoHideButtons = bAutohide; }
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void UseImages( const char *pszUpArrow, const char *pszDownArrow, const char *pszLine, const char *pszBox );
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/* MESSAGES SENT:
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"ScrollBarSliderMoved"
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"position" - new value of the slider
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*/
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void SetOverriddenButtons( Button *pB1, Button *pB2 ) { m_pOverriddenButtons[0] = pB1; m_pOverriddenButtons[1] = pB2; }
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virtual void ApplySettings( KeyValues *pInResourceData );
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protected:
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virtual void PerformLayout();
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virtual void SendSliderMoveMessage(int value);
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virtual void ApplySchemeSettings(IScheme *pScheme);
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virtual void OnSizeChanged(int wide, int tall);
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MESSAGE_FUNC_INT( OnSliderMoved, "ScrollBarSliderMoved", position );
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virtual void RespondToScrollArrow(int const direction);
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virtual void UpdateButtonsForImages( void );
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virtual void UpdateSliderImages( void );
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Button *GetDepressedButton( int iIndex );
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private:
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Button* _button[2];
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ScrollBarSlider* _slider;
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int _buttonPressedScrollValue;
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int _scrollDelay; // used to control delays in scrolling
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bool _respond;
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bool m_bNoButtons;
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CPanelAnimationVar( bool, m_bAutoHideButtons, "autohide_buttons", "0" );
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vgui::ImagePanel *m_pUpArrow;
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vgui::ImagePanel *m_pLine;
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vgui::ImagePanel *m_pDownArrow;
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vgui::ImagePanel *m_pBox;
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Button *m_pOverriddenButtons[2];
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};
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}
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#endif // SCROLLBAR_H
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