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 | #include <base/system.h> |
4 | #include <base/vmath.h> |
5 | |
6 | #include <engine/config.h> |
7 | #include <engine/shared/config.h> |
8 | |
9 | #include <game/localization.h> |
10 | |
11 | #include "ui_listbox.h" |
12 | |
13 | CListBox::CListBox() |
14 | { |
15 | m_ScrollOffset = vec2(0.0f, 0.0f); |
16 | m_ListBoxUpdateScroll = false; |
17 | m_ScrollbarWidth = 20.0f; |
18 | m_ScrollbarMargin = 5.0f; |
19 | m_HasHeader = false; |
20 | m_AutoSpacing = 0.0f; |
21 | m_ScrollbarShown = false; |
22 | m_Active = true; |
23 | } |
24 | |
25 | void CListBox::DoBegin(const CUIRect *pRect) |
26 | { |
27 | // setup the variables |
28 | m_ListBoxView = *pRect; |
29 | } |
30 | |
31 | void CListBox::(const CUIRect *pRect, const char *pTitle, float , float Spacing) |
32 | { |
33 | CUIRect View = *pRect; |
34 | CUIRect ; |
35 | |
36 | // background |
37 | View.HSplitTop(Cut: HeaderHeight + Spacing, pTop: &Header, pBottom: 0); |
38 | Header.Draw(Color: ColorRGBA(0.0f, 0.0f, 0.0f, 0.15f), Corners: m_BackgroundCorners & IGraphics::CORNER_T, Rounding: 5.0f); |
39 | |
40 | // draw header |
41 | View.HSplitTop(Cut: HeaderHeight, pTop: &Header, pBottom: &View); |
42 | Ui()->DoLabel(pRect: &Header, pText: pTitle, Size: Header.h * CUi::ms_FontmodHeight * 0.8f, Align: TEXTALIGN_MC); |
43 | |
44 | View.HSplitTop(Cut: Spacing, pTop: &Header, pBottom: &View); |
45 | |
46 | // setup the variables |
47 | m_ListBoxView = View; |
48 | m_HasHeader = true; |
49 | } |
50 | |
51 | void CListBox::DoSpacing(float Spacing) |
52 | { |
53 | CUIRect View = m_ListBoxView; |
54 | View.HSplitTop(Cut: Spacing, pTop: 0, pBottom: &View); |
55 | m_ListBoxView = View; |
56 | } |
57 | |
58 | void CListBox::(const char *pBottomText, float ) |
59 | { |
60 | m_pBottomText = pBottomText; |
61 | m_FooterHeight = FooterHeight; |
62 | } |
63 | |
64 | void CListBox::DoStart(float RowHeight, int NumItems, int ItemsPerRow, int RowsPerScroll, int SelectedIndex, const CUIRect *pRect, bool Background, int BackgroundCorners, bool ForceShowScrollbar) |
65 | { |
66 | CUIRect View; |
67 | if(pRect) |
68 | View = *pRect; |
69 | else |
70 | View = m_ListBoxView; |
71 | |
72 | // background |
73 | m_BackgroundCorners = BackgroundCorners; |
74 | if(Background) |
75 | View.Draw(Color: ColorRGBA(0.0f, 0.0f, 0.0f, 0.15f), Corners: m_BackgroundCorners & (m_HasHeader ? IGraphics::CORNER_B : IGraphics::CORNER_ALL), Rounding: 5.0f); |
76 | |
77 | // draw footers |
78 | if(m_pBottomText) |
79 | { |
80 | CUIRect ; |
81 | View.HSplitBottom(Cut: m_FooterHeight, pTop: &View, pBottom: &Footer); |
82 | Footer.VSplitLeft(Cut: 10.0f, pLeft: 0, pRight: &Footer); |
83 | Ui()->DoLabel(pRect: &Footer, pText: m_pBottomText, Size: Footer.h * CUi::ms_FontmodHeight * 0.8f, Align: TEXTALIGN_MC); |
84 | } |
85 | |
86 | // setup the variables |
87 | m_ListBoxView = View; |
88 | m_RowView = {}; |
89 | m_ListBoxSelectedIndex = SelectedIndex; |
90 | m_ListBoxNewSelected = SelectedIndex; |
91 | m_ListBoxNewSelOffset = 0; |
92 | m_ListBoxItemIndex = 0; |
93 | m_ListBoxRowHeight = RowHeight; |
94 | m_ListBoxNumItems = NumItems; |
95 | m_ListBoxItemsPerRow = ItemsPerRow; |
96 | m_ListBoxItemActivated = false; |
97 | m_ListBoxItemSelected = false; |
98 | |
99 | // handle input |
100 | if(m_Active && !Input()->ModifierIsPressed() && !Input()->ShiftIsPressed() && !Input()->AltIsPressed()) |
101 | { |
102 | if(Ui()->ConsumeHotkey(Hotkey: CUi::HOTKEY_DOWN)) |
103 | m_ListBoxNewSelOffset += 1; |
104 | else if(Ui()->ConsumeHotkey(Hotkey: CUi::HOTKEY_UP)) |
105 | m_ListBoxNewSelOffset -= 1; |
106 | else if(Ui()->ConsumeHotkey(Hotkey: CUi::HOTKEY_PAGE_UP)) |
107 | m_ListBoxNewSelOffset = -ItemsPerRow * RowsPerScroll * 4; |
108 | else if(Ui()->ConsumeHotkey(Hotkey: CUi::HOTKEY_PAGE_DOWN)) |
109 | m_ListBoxNewSelOffset = ItemsPerRow * RowsPerScroll * 4; |
110 | else if(Ui()->ConsumeHotkey(Hotkey: CUi::HOTKEY_HOME)) |
111 | m_ListBoxNewSelOffset = 1 - m_ListBoxNumItems; |
112 | else if(Ui()->ConsumeHotkey(Hotkey: CUi::HOTKEY_END)) |
113 | m_ListBoxNewSelOffset = m_ListBoxNumItems - 1; |
114 | } |
115 | |
116 | // setup the scrollbar |
117 | m_ScrollOffset = vec2(0.0f, 0.0f); |
118 | CScrollRegionParams ScrollParams; |
119 | ScrollParams.m_ScrollbarWidth = ScrollbarWidthMax(); |
120 | ScrollParams.m_ScrollbarMargin = ScrollbarMargin(); |
121 | ScrollParams.m_ScrollUnit = (m_ListBoxRowHeight + m_AutoSpacing) * RowsPerScroll; |
122 | ScrollParams.m_Flags = ForceShowScrollbar ? CScrollRegionParams::FLAG_CONTENT_STATIC_WIDTH : 0; |
123 | m_ScrollRegion.Begin(pClipRect: &m_ListBoxView, pOutOffset: &m_ScrollOffset, pParams: &ScrollParams); |
124 | m_ListBoxView.y += m_ScrollOffset.y; |
125 | } |
126 | |
127 | CListboxItem CListBox::DoNextRow() |
128 | { |
129 | CListboxItem Item = {}; |
130 | |
131 | if(m_ListBoxItemIndex % m_ListBoxItemsPerRow == 0) |
132 | m_ListBoxView.HSplitTop(Cut: m_ListBoxRowHeight, pTop: &m_RowView, pBottom: &m_ListBoxView); |
133 | m_ScrollRegion.AddRect(Rect: m_RowView); |
134 | if(m_ListBoxUpdateScroll && m_ListBoxSelectedIndex == m_ListBoxItemIndex) |
135 | { |
136 | m_ScrollRegion.ScrollHere(Option: CScrollRegion::SCROLLHERE_KEEP_IN_VIEW); |
137 | m_ListBoxUpdateScroll = false; |
138 | } |
139 | |
140 | m_RowView.VSplitLeft(Cut: m_RowView.w / (m_ListBoxItemsPerRow - m_ListBoxItemIndex % m_ListBoxItemsPerRow), pLeft: &Item.m_Rect, pRight: &m_RowView); |
141 | |
142 | Item.m_Selected = m_ListBoxSelectedIndex == m_ListBoxItemIndex; |
143 | Item.m_Visible = !m_ScrollRegion.RectClipped(Rect: Item.m_Rect); |
144 | |
145 | m_ListBoxItemIndex++; |
146 | return Item; |
147 | } |
148 | |
149 | CListboxItem CListBox::DoNextItem(const void *pId, bool Selected, float CornerRadius) |
150 | { |
151 | if(m_AutoSpacing > 0.0f && m_ListBoxItemIndex > 0) |
152 | DoSpacing(Spacing: m_AutoSpacing); |
153 | |
154 | const int ThisItemIndex = m_ListBoxItemIndex; |
155 | if(Selected) |
156 | { |
157 | if(m_ListBoxSelectedIndex == m_ListBoxNewSelected) |
158 | m_ListBoxNewSelected = ThisItemIndex; |
159 | m_ListBoxSelectedIndex = ThisItemIndex; |
160 | } |
161 | |
162 | CListboxItem Item = DoNextRow(); |
163 | bool ItemClicked = false; |
164 | |
165 | if(Item.m_Visible && Ui()->DoButtonLogic(pId, Checked: 0, pRect: &Item.m_Rect)) |
166 | { |
167 | ItemClicked = true; |
168 | m_ListBoxNewSelected = ThisItemIndex; |
169 | m_ListBoxItemSelected = true; |
170 | m_Active = true; |
171 | } |
172 | else |
173 | ItemClicked = false; |
174 | |
175 | // process input, regard selected index |
176 | if(m_ListBoxNewSelected == ThisItemIndex) |
177 | { |
178 | if(m_Active) |
179 | { |
180 | if(Ui()->ConsumeHotkey(Hotkey: CUi::HOTKEY_ENTER) || (ItemClicked && Ui()->DoDoubleClickLogic(pId))) |
181 | { |
182 | m_ListBoxItemActivated = true; |
183 | Ui()->SetActiveItem(nullptr); |
184 | } |
185 | } |
186 | |
187 | Item.m_Rect.Draw(Color: ColorRGBA(1.0f, 1.0f, 1.0f, m_Active ? 0.5f : 0.33f), Corners: IGraphics::CORNER_ALL, Rounding: CornerRadius); |
188 | } |
189 | if(Ui()->HotItem() == pId && !m_ScrollRegion.Animating()) |
190 | { |
191 | Item.m_Rect.Draw(Color: ColorRGBA(1.0f, 1.0f, 1.0f, 0.33f), Corners: IGraphics::CORNER_ALL, Rounding: CornerRadius); |
192 | } |
193 | |
194 | return Item; |
195 | } |
196 | |
197 | CListboxItem CListBox::() |
198 | { |
199 | CListboxItem Item = DoNextRow(); |
200 | Item.m_Rect.Draw(Color: ColorRGBA(1.0f, 1.0f, 1.0f, 0.2f), Corners: IGraphics::CORNER_NONE, Rounding: 0.0f); |
201 | return Item; |
202 | } |
203 | |
204 | int CListBox::DoEnd() |
205 | { |
206 | m_ScrollRegion.End(); |
207 | m_Active |= m_ScrollRegion.Active(); |
208 | |
209 | m_ScrollbarShown = m_ScrollRegion.ScrollbarShown(); |
210 | if(m_ListBoxNewSelOffset != 0 && m_ListBoxNumItems > 0 && m_ListBoxSelectedIndex == m_ListBoxNewSelected) |
211 | { |
212 | m_ListBoxNewSelected = clamp(val: (m_ListBoxNewSelected == -1 ? 0 : m_ListBoxNewSelected) + m_ListBoxNewSelOffset, lo: 0, hi: m_ListBoxNumItems - 1); |
213 | ScrollToSelected(); |
214 | } |
215 | return m_ListBoxNewSelected; |
216 | } |
217 | |