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77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
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/* If you are missing that file, acquire a complete release at teeworlds.com. */
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#ifndef GAME_CLIENT_UI_LISTBOX_H
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#define GAME_CLIENT_UI_LISTBOX_H
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#include "ui_scrollregion.h"
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struct CListboxItem
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{
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bool m_Visible;
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bool m_Selected;
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CUIRect m_Rect;
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};
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// Instances of CListBox must be static, as member addresses are used as UI item IDs
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class CListBox : private CUIElementBase
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{
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private:
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CUIRect m_ListBoxView;
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CUIRect m_RowView;
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float m_ListBoxRowHeight;
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int m_ListBoxItemIndex;
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int m_ListBoxSelectedIndex;
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int m_ListBoxNewSelected;
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int m_ListBoxNewSelOffset;
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bool m_ListBoxUpdateScroll;
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bool m_ListBoxDoneEvents;
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int m_ListBoxNumItems;
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int m_ListBoxItemsPerRow;
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bool m_ListBoxItemSelected;
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bool m_ListBoxItemActivated;
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bool m_ScrollbarShown;
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const char *m_pBottomText;
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float m_FooterHeight;
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float m_AutoSpacing;
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CScrollRegion m_ScrollRegion;
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vec2 m_ScrollOffset;
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int m_BackgroundCorners;
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float m_ScrollbarWidth;
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float m_ScrollbarMargin;
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bool m_HasHeader;
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bool m_Active;
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protected:
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CListboxItem DoNextRow();
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public:
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CListBox();
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void DoBegin(const CUIRect *pRect);
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void DoHeader(const CUIRect *pRect, const char *pTitle, float HeaderHeight = 20.0f, float Spacing = 2.0f);
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void DoAutoSpacing(float Spacing = 20.0f) { m_AutoSpacing = Spacing; }
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void DoSpacing(float Spacing = 20.0f);
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void DoFooter(const char *pBottomText, float FooterHeight = 20.0f); // call before DoStart to create a footer
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void DoStart(float RowHeight, int NumItems, int ItemsPerRow, int RowsPerScroll, int SelectedIndex, const CUIRect *pRect = nullptr, bool Background = true, int BackgroundCorners = IGraphics::CORNER_ALL, bool ForceShowScrollbar = false);
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void ScrollToSelected() { m_ListBoxUpdateScroll = true; }
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CListboxItem DoNextItem(const void *pID, bool Selected = false);
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CListboxItem DoSubheader();
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int DoEnd();
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// Active state must be set before calling DoStart.
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bool Active() const { return m_Active; }
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void SetActive(bool Active) { m_Active = Active; }
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bool WasItemSelected() const { return m_ListBoxItemSelected; }
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bool WasItemActivated() const { return m_ListBoxItemActivated; }
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bool ScrollbarShown() const { return m_ScrollbarShown; }
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float ScrollbarWidth() const { return ScrollbarShown() ? ScrollbarWidthMax() : 0.0f; }
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float ScrollbarWidthMax() const { return m_ScrollbarWidth; }
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void SetScrollbarWidth(float Width) { m_ScrollbarWidth = Width; }
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float ScrollbarMargin() const { return m_ScrollbarMargin; }
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void SetScrollbarMargin(float Margin) { m_ScrollbarMargin = Margin; }
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};
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#endif
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