1/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
2/* If you are missing that file, acquire a complete release at teeworlds.com. */
3#ifndef GAME_CLIENT_UI_LISTBOX_H
4#define GAME_CLIENT_UI_LISTBOX_H
5
6#include "ui_scrollregion.h"
7
8struct CListboxItem
9{
10 bool m_Visible;
11 bool m_Selected;
12 CUIRect m_Rect;
13};
14
15// Instances of CListBox must be static, as member addresses are used as UI item IDs
16class CListBox : private CUIElementBase
17{
18private:
19 CUIRect m_ListBoxView;
20 CUIRect m_RowView;
21 float m_ListBoxRowHeight;
22 int m_ListBoxItemIndex;
23 int m_ListBoxSelectedIndex;
24 int m_ListBoxNewSelected;
25 int m_ListBoxNewSelOffset;
26 bool m_ListBoxUpdateScroll;
27 int m_ListBoxNumItems;
28 int m_ListBoxItemsPerRow;
29 bool m_ListBoxItemSelected;
30 bool m_ListBoxItemActivated;
31 bool m_ScrollbarShown;
32 float m_AutoSpacing;
33 CScrollRegion m_ScrollRegion;
34 int m_BackgroundCorners;
35 float m_ScrollbarWidth;
36 float m_ScrollbarMargin;
37 bool m_HasHeader;
38 bool m_Active;
39
40protected:
41 CListboxItem DoNextRow();
42
43public:
44 CListBox();
45 void Reset();
46
47 void DoHeader(const CUIRect *pRect, const char *pTitle, float HeaderHeight = 20.0f, float Spacing = 2.0f);
48 void DoAutoSpacing(float Spacing = 20.0f) { m_AutoSpacing = Spacing; }
49 void DoSpacing(float Spacing = 20.0f);
50 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);
51 void ScrollToSelected() { m_ListBoxUpdateScroll = true; }
52 CListboxItem DoNextItem(const void *pId, bool Selected = false, float CornerRadius = 5.0f);
53 CListboxItem DoSubheader();
54 int DoEnd();
55
56 // Active state must be set before calling DoStart.
57 bool Active() const { return m_Active; }
58 void SetActive(bool Active) { m_Active = Active; }
59
60 bool WasItemSelected() const { return m_ListBoxItemSelected; }
61 bool WasItemActivated() const { return m_ListBoxItemActivated; }
62
63 bool ScrollbarShown() const { return m_ScrollbarShown; }
64 float ScrollbarWidth() const { return ScrollbarShown() ? ScrollbarWidthMax() : 0.0f; }
65 float ScrollbarWidthMax() const { return m_ScrollbarWidth; }
66 void SetScrollbarWidth(float Width) { m_ScrollbarWidth = Width; }
67 float ScrollbarMargin() const { return m_ScrollbarMargin; }
68 void SetScrollbarMargin(float Margin) { m_ScrollbarMargin = Margin; }
69};
70
71#endif
72