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annotate Libs/AceGUI-3.0/widgets/AceGUIWidget-Label.lua @ 106:e635cd648e01 v49

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7.2 update
author yellowfive
date Tue, 28 Mar 2017 16:10:00 -0700
parents 01b63b8ed811
children
rev   line source
yellowfive@57 1 --[[-----------------------------------------------------------------------------
yellowfive@57 2 Label Widget
yellowfive@57 3 Displays text and optionally an icon.
yellowfive@57 4 -------------------------------------------------------------------------------]]
yellowfive@106 5 local Type, Version = "Label", 24
yellowfive@57 6 local AceGUI = LibStub and LibStub("AceGUI-3.0", true)
yellowfive@57 7 if not AceGUI or (AceGUI:GetWidgetVersion(Type) or 0) >= Version then return end
yellowfive@57 8
yellowfive@57 9 -- Lua APIs
yellowfive@57 10 local max, select, pairs = math.max, select, pairs
yellowfive@57 11
yellowfive@57 12 -- WoW APIs
yellowfive@57 13 local CreateFrame, UIParent = CreateFrame, UIParent
yellowfive@57 14
yellowfive@57 15 -- Global vars/functions that we don't upvalue since they might get hooked, or upgraded
yellowfive@57 16 -- List them here for Mikk's FindGlobals script
yellowfive@57 17 -- GLOBALS: GameFontHighlightSmall
yellowfive@57 18
yellowfive@57 19 --[[-----------------------------------------------------------------------------
yellowfive@57 20 Support functions
yellowfive@57 21 -------------------------------------------------------------------------------]]
yellowfive@57 22
yellowfive@57 23 local function UpdateImageAnchor(self)
yellowfive@57 24 if self.resizing then return end
yellowfive@57 25 local frame = self.frame
yellowfive@57 26 local width = frame.width or frame:GetWidth() or 0
yellowfive@57 27 local image = self.image
yellowfive@57 28 local label = self.label
yellowfive@57 29 local height
yellowfive@57 30
yellowfive@57 31 label:ClearAllPoints()
yellowfive@57 32 image:ClearAllPoints()
yellowfive@57 33
yellowfive@57 34 if self.imageshown then
yellowfive@57 35 local imagewidth = image:GetWidth()
yellowfive@57 36 if (width - imagewidth) < 200 or (label:GetText() or "") == "" then
yellowfive@57 37 -- image goes on top centered when less than 200 width for the text, or if there is no text
yellowfive@57 38 image:SetPoint("TOP")
yellowfive@57 39 label:SetPoint("TOP", image, "BOTTOM")
yellowfive@57 40 label:SetPoint("LEFT")
yellowfive@57 41 label:SetWidth(width)
yellowfive@57 42 height = image:GetHeight() + label:GetHeight()
yellowfive@57 43 else
yellowfive@57 44 -- image on the left
yellowfive@57 45 image:SetPoint("TOPLEFT")
yellowfive@57 46 if image:GetHeight() > label:GetHeight() then
yellowfive@57 47 label:SetPoint("LEFT", image, "RIGHT", 4, 0)
yellowfive@57 48 else
yellowfive@57 49 label:SetPoint("TOPLEFT", image, "TOPRIGHT", 4, 0)
yellowfive@57 50 end
yellowfive@57 51 label:SetWidth(width - imagewidth - 4)
yellowfive@57 52 height = max(image:GetHeight(), label:GetHeight())
yellowfive@57 53 end
yellowfive@57 54 else
yellowfive@57 55 -- no image shown
yellowfive@57 56 label:SetPoint("TOPLEFT")
yellowfive@57 57 label:SetWidth(width)
yellowfive@57 58 height = label:GetHeight()
yellowfive@57 59 end
yellowfive@57 60
yellowfive@57 61 self.resizing = true
yellowfive@57 62 frame:SetHeight(height)
yellowfive@57 63 frame.height = height
yellowfive@57 64 self.resizing = nil
yellowfive@57 65 end
yellowfive@57 66
yellowfive@57 67 --[[-----------------------------------------------------------------------------
yellowfive@57 68 Methods
yellowfive@57 69 -------------------------------------------------------------------------------]]
yellowfive@57 70 local methods = {
yellowfive@57 71 ["OnAcquire"] = function(self)
yellowfive@57 72 -- set the flag to stop constant size updates
yellowfive@57 73 self.resizing = true
yellowfive@57 74 -- height is set dynamically by the text and image size
yellowfive@57 75 self:SetWidth(200)
yellowfive@57 76 self:SetText()
yellowfive@57 77 self:SetImage(nil)
yellowfive@57 78 self:SetImageSize(16, 16)
yellowfive@57 79 self:SetColor()
yellowfive@57 80 self:SetFontObject()
yellowfive@106 81 self:SetJustifyH("LEFT")
yellowfive@106 82 self:SetJustifyV("TOP")
yellowfive@57 83
yellowfive@57 84 -- reset the flag
yellowfive@57 85 self.resizing = nil
yellowfive@57 86 -- run the update explicitly
yellowfive@57 87 UpdateImageAnchor(self)
yellowfive@57 88 end,
yellowfive@57 89
yellowfive@57 90 -- ["OnRelease"] = nil,
yellowfive@57 91
yellowfive@57 92 ["OnWidthSet"] = function(self, width)
yellowfive@57 93 UpdateImageAnchor(self)
yellowfive@57 94 end,
yellowfive@57 95
yellowfive@57 96 ["SetText"] = function(self, text)
yellowfive@57 97 self.label:SetText(text)
yellowfive@57 98 UpdateImageAnchor(self)
yellowfive@57 99 end,
yellowfive@57 100
yellowfive@57 101 ["SetColor"] = function(self, r, g, b)
yellowfive@57 102 if not (r and g and b) then
yellowfive@57 103 r, g, b = 1, 1, 1
yellowfive@57 104 end
yellowfive@57 105 self.label:SetVertexColor(r, g, b)
yellowfive@57 106 end,
yellowfive@57 107
yellowfive@57 108 ["SetImage"] = function(self, path, ...)
yellowfive@57 109 local image = self.image
yellowfive@57 110 image:SetTexture(path)
yellowfive@57 111
yellowfive@57 112 if image:GetTexture() then
yellowfive@57 113 self.imageshown = true
yellowfive@57 114 local n = select("#", ...)
yellowfive@57 115 if n == 4 or n == 8 then
yellowfive@57 116 image:SetTexCoord(...)
yellowfive@57 117 else
yellowfive@57 118 image:SetTexCoord(0, 1, 0, 1)
yellowfive@57 119 end
yellowfive@57 120 else
yellowfive@57 121 self.imageshown = nil
yellowfive@57 122 end
yellowfive@57 123 UpdateImageAnchor(self)
yellowfive@57 124 end,
yellowfive@57 125
yellowfive@57 126 ["SetFont"] = function(self, font, height, flags)
yellowfive@57 127 self.label:SetFont(font, height, flags)
yellowfive@57 128 end,
yellowfive@57 129
yellowfive@57 130 ["SetFontObject"] = function(self, font)
yellowfive@57 131 self:SetFont((font or GameFontHighlightSmall):GetFont())
yellowfive@57 132 end,
yellowfive@57 133
yellowfive@57 134 ["SetImageSize"] = function(self, width, height)
yellowfive@57 135 self.image:SetWidth(width)
yellowfive@57 136 self.image:SetHeight(height)
yellowfive@57 137 UpdateImageAnchor(self)
yellowfive@57 138 end,
yellowfive@106 139
yellowfive@106 140 ["SetJustifyH"] = function(self, justifyH)
yellowfive@106 141 self.label:SetJustifyH(justifyH)
yellowfive@106 142 end,
yellowfive@106 143
yellowfive@106 144 ["SetJustifyV"] = function(self, justifyV)
yellowfive@106 145 self.label:SetJustifyV(justifyV)
yellowfive@106 146 end,
yellowfive@57 147 }
yellowfive@57 148
yellowfive@57 149 --[[-----------------------------------------------------------------------------
yellowfive@57 150 Constructor
yellowfive@57 151 -------------------------------------------------------------------------------]]
yellowfive@57 152 local function Constructor()
yellowfive@57 153 local frame = CreateFrame("Frame", nil, UIParent)
yellowfive@57 154 frame:Hide()
yellowfive@57 155
yellowfive@57 156 local label = frame:CreateFontString(nil, "BACKGROUND", "GameFontHighlightSmall")
yellowfive@57 157 local image = frame:CreateTexture(nil, "BACKGROUND")
yellowfive@57 158
yellowfive@57 159 -- create widget
yellowfive@57 160 local widget = {
yellowfive@57 161 label = label,
yellowfive@57 162 image = image,
yellowfive@57 163 frame = frame,
yellowfive@57 164 type = Type
yellowfive@57 165 }
yellowfive@57 166 for method, func in pairs(methods) do
yellowfive@57 167 widget[method] = func
yellowfive@57 168 end
yellowfive@57 169
yellowfive@57 170 return AceGUI:RegisterAsWidget(widget)
yellowfive@57 171 end
yellowfive@57 172
yellowfive@57 173 AceGUI:RegisterWidgetType(Type, Constructor, Version)