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comparison Libs/AceGUI-3.0/widgets/AceGUIWidget-Label.lua @ 0:98c6f55e6619

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author Xiiph
date Sat, 05 Feb 2011 16:45:02 +0100
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-1:000000000000 0:98c6f55e6619
1 --[[-----------------------------------------------------------------------------
2 Label Widget
3 Displays text and optionally an icon.
4 -------------------------------------------------------------------------------]]
5 local Type, Version = "Label", 21
6 local AceGUI = LibStub and LibStub("AceGUI-3.0", true)
7 if not AceGUI or (AceGUI:GetWidgetVersion(Type) or 0) >= Version then return end
8
9 -- Lua APIs
10 local max, select, pairs = math.max, select, pairs
11
12 -- WoW APIs
13 local CreateFrame, UIParent = CreateFrame, UIParent
14
15 -- Global vars/functions that we don't upvalue since they might get hooked, or upgraded
16 -- List them here for Mikk's FindGlobals script
17 -- GLOBALS: GameFontHighlightSmall
18
19 --[[-----------------------------------------------------------------------------
20 Support functions
21 -------------------------------------------------------------------------------]]
22
23 local function UpdateImageAnchor(self)
24 if self.resizing then return end
25 local frame = self.frame
26 local width = frame.width or frame:GetWidth() or 0
27 local image = self.image
28 local label = self.label
29 local height
30
31 label:ClearAllPoints()
32 image:ClearAllPoints()
33
34 if self.imageshown then
35 local imagewidth = image:GetWidth()
36 if (width - imagewidth) < 200 or (label:GetText() or "") == "" then
37 -- image goes on top centered when less than 200 width for the text, or if there is no text
38 image:SetPoint("TOP")
39 label:SetPoint("TOP", image, "BOTTOM")
40 label:SetPoint("LEFT")
41 label:SetWidth(width)
42 height = image:GetHeight() + label:GetHeight()
43 else
44 -- image on the left
45 image:SetPoint("TOPLEFT")
46 label:SetPoint("TOPLEFT", image, "TOPRIGHT", 4, 0)
47 label:SetWidth(width - imagewidth - 4)
48 height = max(image:GetHeight(), label:GetHeight())
49 end
50 else
51 -- no image shown
52 label:SetPoint("TOPLEFT")
53 label:SetWidth(width)
54 height = label:GetHeight()
55 end
56
57 self.resizing = true
58 frame:SetHeight(height)
59 frame.height = height
60 self.resizing = nil
61 end
62
63 --[[-----------------------------------------------------------------------------
64 Methods
65 -------------------------------------------------------------------------------]]
66 local methods = {
67 ["OnAcquire"] = function(self)
68 -- set the flag to stop constant size updates
69 self.resizing = true
70 -- height is set dynamically by the text and image size
71 self:SetWidth(200)
72 self:SetText()
73 self:SetImage(nil)
74 self:SetImageSize(16, 16)
75 self:SetColor()
76 self:SetFontObject()
77
78 -- reset the flag
79 self.resizing = nil
80 -- run the update explicitly
81 UpdateImageAnchor(self)
82 end,
83
84 -- ["OnRelease"] = nil,
85
86 ["OnWidthSet"] = function(self, width)
87 UpdateImageAnchor(self)
88 end,
89
90 ["SetText"] = function(self, text)
91 self.label:SetText(text)
92 UpdateImageAnchor(self)
93 end,
94
95 ["SetColor"] = function(self, r, g, b)
96 if not (r and g and b) then
97 r, g, b = 1, 1, 1
98 end
99 self.label:SetVertexColor(r, g, b)
100 end,
101
102 ["SetImage"] = function(self, path, ...)
103 local image = self.image
104 image:SetTexture(path)
105
106 if image:GetTexture() then
107 self.imageshown = true
108 local n = select("#", ...)
109 if n == 4 or n == 8 then
110 image:SetTexCoord(...)
111 else
112 image:SetTexCoord(0, 1, 0, 1)
113 end
114 else
115 self.imageshown = nil
116 end
117 UpdateImageAnchor(self)
118 end,
119
120 ["SetFont"] = function(self, font, height, flags)
121 self.label:SetFont(font, height, flags)
122 end,
123
124 ["SetFontObject"] = function(self, font)
125 self:SetFont((font or GameFontHighlightSmall):GetFont())
126 end,
127
128 ["SetImageSize"] = function(self, width, height)
129 self.image:SetWidth(width)
130 self.image:SetHeight(height)
131 UpdateImageAnchor(self)
132 end,
133 }
134
135 --[[-----------------------------------------------------------------------------
136 Constructor
137 -------------------------------------------------------------------------------]]
138 local function Constructor()
139 local frame = CreateFrame("Frame", nil, UIParent)
140 frame:Hide()
141
142 local label = frame:CreateFontString(nil, "BACKGROUND", "GameFontHighlightSmall")
143 label:SetJustifyH("LEFT")
144 label:SetJustifyV("TOP")
145
146 local image = frame:CreateTexture(nil, "BACKGROUND")
147
148 -- create widget
149 local widget = {
150 label = label,
151 image = image,
152 frame = frame,
153 type = Type
154 }
155 for method, func in pairs(methods) do
156 widget[method] = func
157 end
158
159 return AceGUI:RegisterAsWidget(widget)
160 end
161
162 AceGUI:RegisterWidgetType(Type, Constructor, Version)