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79 lines
2.9 KiB
79 lines
2.9 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================
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#ifndef BUYPRESET_LISTBOX_H
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#define BUYPRESET_LISTBOX_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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#include <utlvector.h>
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//--------------------------------------------------------------------------------------------------------------
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/**
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* ListBox-style control with behavior needed by weapon lists for BuyPreset editing
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*/
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class BuyPresetListBox : public vgui::Panel
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{
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DECLARE_CLASS_SIMPLE( BuyPresetListBox, vgui::Panel );
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public:
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BuyPresetListBox( vgui::Panel *parent, char const *panelName );
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~BuyPresetListBox();
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virtual int AddItem( vgui::Panel *panel, void * userData ); ///< Adds an item to the end of the listbox. UserData is assumed to be a pointer that can be freed by the listbox if non-NULL.
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virtual int GetItemCount( void ) const; ///< Returns the number of items in the listbox
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void SwapItems( int index1, int index2 ); ///< Exchanges two items in the listbox
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void MakeItemVisible( int index ); ///< Try to ensure that the given index is visible
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vgui::Panel * GetItemPanel( int index ) const; ///< Returns the panel in the given index, or NULL
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void * GetItemUserData( int index ); ///< Returns the userData in the given index, or NULL
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void SetItemUserData( int index, void * userData ); ///< Sets the userData in the given index
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virtual void RemoveItem( int index ); ///< Removes an item from the table (changing the indices of all following items), deleting the panel and userData
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virtual void DeleteAllItems(); ///< clears the listbox, deleting all panels and userData
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// overrides
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virtual void OnSizeChanged(int wide, int tall); ////< Handles size changes
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MESSAGE_FUNC_INT( OnSliderMoved, "ScrollBarSliderMoved", position ); ///< Handles slider being dragged
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virtual void OnMouseWheeled(int delta); ///< Scrolls the list according to the mouse wheel movement
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virtual void MoveScrollBarToTop(); ///< Moves slider to the top
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protected:
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virtual int computeVPixelsNeeded( void ); ///< Computes vertical pixels needed by listbox contents
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virtual void PerformLayout(); ///< Positions listbox items, etc after internal changes
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virtual void ApplySchemeSettings( vgui::IScheme *pScheme ); ///< Loads colors, fonts, etc
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virtual void OnCommand( const char *command ); ///< Passes commands up to the parent
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private:
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enum { SCROLLBAR_SIZE = 18, DEFAULT_HEIGHT = 24, PANELBUFFER = 5 };
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typedef struct dataitem_s
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{
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vgui::Panel *panel;
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void * userData;
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} DataItem;
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CUtlVector< DataItem > m_items;
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vgui::ScrollBar *m_vbar;
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vgui::Panel *m_pPanelEmbedded;
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int m_iScrollbarSize;
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int m_iDefaultHeight;
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int m_iPanelBuffer;
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int m_visibleIndex;
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int m_lastSize;
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};
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#endif // BUYPRESET_LISTBOX_H
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