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471 lines
13 KiB
Lua
471 lines
13 KiB
Lua
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-----------------------------------------------------------------------
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-- LibDBIcon-1.0
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--
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-- Allows addons to easily create a lightweight minimap icon as an alternative to heavier LDB displays.
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--
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local DBICON10 = "LibDBIcon-1.0"
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local DBICON10_MINOR = 43 -- Bump on changes
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if not LibStub then error(DBICON10 .. " requires LibStub.") end
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local ldb = LibStub("LibDataBroker-1.1", true)
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if not ldb then error(DBICON10 .. " requires LibDataBroker-1.1.") end
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local lib = LibStub:NewLibrary(DBICON10, DBICON10_MINOR)
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if not lib then return end
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lib.objects = lib.objects or {}
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lib.callbackRegistered = lib.callbackRegistered or nil
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lib.callbacks = lib.callbacks or LibStub("CallbackHandler-1.0"):New(lib)
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lib.notCreated = lib.notCreated or {}
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lib.radius = lib.radius or 5
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lib.tooltip = lib.tooltip or CreateFrame("GameTooltip", "LibDBIconTooltip", UIParent, "GameTooltipTemplate")
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local next, Minimap = next, Minimap
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local isDraggingButton = false
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function lib:IconCallback(event, name, key, value)
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if lib.objects[name] then
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if key == "icon" then
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lib.objects[name].icon:SetTexture(value)
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elseif key == "iconCoords" then
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lib.objects[name].icon:UpdateCoord()
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elseif key == "iconR" then
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local _, g, b = lib.objects[name].icon:GetVertexColor()
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lib.objects[name].icon:SetVertexColor(value, g, b)
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elseif key == "iconG" then
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local r, _, b = lib.objects[name].icon:GetVertexColor()
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lib.objects[name].icon:SetVertexColor(r, value, b)
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elseif key == "iconB" then
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local r, g = lib.objects[name].icon:GetVertexColor()
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lib.objects[name].icon:SetVertexColor(r, g, value)
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end
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end
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end
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if not lib.callbackRegistered then
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ldb.RegisterCallback(lib, "LibDataBroker_AttributeChanged__icon", "IconCallback")
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ldb.RegisterCallback(lib, "LibDataBroker_AttributeChanged__iconCoords", "IconCallback")
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ldb.RegisterCallback(lib, "LibDataBroker_AttributeChanged__iconR", "IconCallback")
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ldb.RegisterCallback(lib, "LibDataBroker_AttributeChanged__iconG", "IconCallback")
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ldb.RegisterCallback(lib, "LibDataBroker_AttributeChanged__iconB", "IconCallback")
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lib.callbackRegistered = true
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end
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local function getAnchors(frame)
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local x, y = frame:GetCenter()
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if not x or not y then return "CENTER" end
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local hhalf = (x > UIParent:GetWidth()*2/3) and "RIGHT" or (x < UIParent:GetWidth()/3) and "LEFT" or ""
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local vhalf = (y > UIParent:GetHeight()/2) and "TOP" or "BOTTOM"
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return vhalf..hhalf, frame, (vhalf == "TOP" and "BOTTOM" or "TOP")..hhalf
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end
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local function onEnter(self)
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if isDraggingButton then return end
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for _, button in next, lib.objects do
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if button.showOnMouseover then
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button.fadeOut:Stop()
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button:SetAlpha(1)
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end
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end
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local obj = self.dataObject
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if obj.OnTooltipShow then
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lib.tooltip:SetOwner(self, "ANCHOR_NONE")
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lib.tooltip:SetPoint(getAnchors(self))
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obj.OnTooltipShow(lib.tooltip)
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lib.tooltip:Show()
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elseif obj.OnEnter then
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obj.OnEnter(self)
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end
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end
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local function onLeave(self)
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lib.tooltip:Hide()
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if not isDraggingButton then
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for _, button in next, lib.objects do
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if button.showOnMouseover then
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button.fadeOut:Play()
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end
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end
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end
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local obj = self.dataObject
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if obj.OnLeave then
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obj.OnLeave(self)
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end
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end
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--------------------------------------------------------------------------------
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local onDragStart, updatePosition
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do
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local minimapShapes = {
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["ROUND"] = {true, true, true, true},
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["SQUARE"] = {false, false, false, false},
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["CORNER-TOPLEFT"] = {false, false, false, true},
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["CORNER-TOPRIGHT"] = {false, false, true, false},
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["CORNER-BOTTOMLEFT"] = {false, true, false, false},
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["CORNER-BOTTOMRIGHT"] = {true, false, false, false},
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["SIDE-LEFT"] = {false, true, false, true},
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["SIDE-RIGHT"] = {true, false, true, false},
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["SIDE-TOP"] = {false, false, true, true},
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["SIDE-BOTTOM"] = {true, true, false, false},
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["TRICORNER-TOPLEFT"] = {false, true, true, true},
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["TRICORNER-TOPRIGHT"] = {true, false, true, true},
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["TRICORNER-BOTTOMLEFT"] = {true, true, false, true},
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["TRICORNER-BOTTOMRIGHT"] = {true, true, true, false},
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}
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local rad, cos, sin, sqrt, max, min = math.rad, math.cos, math.sin, math.sqrt, math.max, math.min
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function updatePosition(button, position)
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local angle = rad(position or 225)
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local x, y, q = cos(angle), sin(angle), 1
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if x < 0 then q = q + 1 end
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if y > 0 then q = q + 2 end
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local minimapShape = GetMinimapShape and GetMinimapShape() or "ROUND"
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local quadTable = minimapShapes[minimapShape]
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local w = (Minimap:GetWidth() / 2) + lib.radius
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local h = (Minimap:GetHeight() / 2) + lib.radius
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if quadTable[q] then
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x, y = x*w, y*h
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else
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local diagRadiusW = sqrt(2*(w)^2)-10
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local diagRadiusH = sqrt(2*(h)^2)-10
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x = max(-w, min(x*diagRadiusW, w))
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y = max(-h, min(y*diagRadiusH, h))
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end
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button:SetPoint("CENTER", Minimap, "CENTER", x, y)
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end
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end
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local function onClick(self, b)
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if self.dataObject.OnClick then
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self.dataObject.OnClick(self, b)
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end
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end
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local function onMouseDown(self)
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self.isMouseDown = true
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self.icon:UpdateCoord()
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end
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local function onMouseUp(self)
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self.isMouseDown = false
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self.icon:UpdateCoord()
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end
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do
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local deg, atan2 = math.deg, math.atan2
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local function onUpdate(self)
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local mx, my = Minimap:GetCenter()
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local px, py = GetCursorPosition()
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local scale = Minimap:GetEffectiveScale()
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px, py = px / scale, py / scale
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local pos = 225
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if self.db then
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pos = deg(atan2(py - my, px - mx)) % 360
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self.db.minimapPos = pos
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else
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pos = deg(atan2(py - my, px - mx)) % 360
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self.minimapPos = pos
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end
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updatePosition(self, pos)
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end
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function onDragStart(self)
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self:LockHighlight()
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self.isMouseDown = true
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self.icon:UpdateCoord()
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self:SetScript("OnUpdate", onUpdate)
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isDraggingButton = true
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lib.tooltip:Hide()
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for _, button in next, lib.objects do
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if button.showOnMouseover then
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button.fadeOut:Stop()
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button:SetAlpha(1)
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end
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end
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end
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end
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local function onDragStop(self)
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self:SetScript("OnUpdate", nil)
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self.isMouseDown = false
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self.icon:UpdateCoord()
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self:UnlockHighlight()
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isDraggingButton = false
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for _, button in next, lib.objects do
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if button.showOnMouseover then
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button.fadeOut:Play()
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end
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end
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end
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local defaultCoords = {0, 1, 0, 1}
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local function updateCoord(self)
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local coords = self:GetParent().dataObject.iconCoords or defaultCoords
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local deltaX, deltaY = 0, 0
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if not self:GetParent().isMouseDown then
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deltaX = (coords[2] - coords[1]) * 0.05
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deltaY = (coords[4] - coords[3]) * 0.05
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end
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self:SetTexCoord(coords[1] + deltaX, coords[2] - deltaX, coords[3] + deltaY, coords[4] - deltaY)
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end
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local function createButton(name, object, db)
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local button = CreateFrame("Button", "LibDBIcon10_"..name, Minimap)
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button.dataObject = object
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button.db = db
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button:SetFrameStrata("MEDIUM")
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button:SetSize(31, 31)
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button:SetFrameLevel(8)
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button:RegisterForClicks("anyUp")
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button:RegisterForDrag("LeftButton")
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button:SetHighlightTexture(136477) --"Interface\\Minimap\\UI-Minimap-ZoomButton-Highlight"
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local overlay = button:CreateTexture(nil, "OVERLAY")
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overlay:SetSize(53, 53)
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overlay:SetTexture(136430) --"Interface\\Minimap\\MiniMap-TrackingBorder"
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overlay:SetPoint("TOPLEFT")
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local background = button:CreateTexture(nil, "BACKGROUND")
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background:SetSize(20, 20)
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background:SetTexture(136467) --"Interface\\Minimap\\UI-Minimap-Background"
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background:SetPoint("TOPLEFT", 7, -5)
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local icon = button:CreateTexture(nil, "ARTWORK")
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icon:SetSize(17, 17)
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icon:SetTexture(object.icon)
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icon:SetPoint("TOPLEFT", 7, -6)
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button.icon = icon
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button.isMouseDown = false
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local r, g, b = icon:GetVertexColor()
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icon:SetVertexColor(object.iconR or r, object.iconG or g, object.iconB or b)
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icon.UpdateCoord = updateCoord
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icon:UpdateCoord()
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button:SetScript("OnEnter", onEnter)
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button:SetScript("OnLeave", onLeave)
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button:SetScript("OnClick", onClick)
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if not db or not db.lock then
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button:SetScript("OnDragStart", onDragStart)
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button:SetScript("OnDragStop", onDragStop)
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end
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button:SetScript("OnMouseDown", onMouseDown)
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button:SetScript("OnMouseUp", onMouseUp)
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button.fadeOut = button:CreateAnimationGroup()
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local animOut = button.fadeOut:CreateAnimation("Alpha")
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animOut:SetOrder(1)
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animOut:SetDuration(0.2)
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animOut:SetFromAlpha(1)
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animOut:SetToAlpha(0)
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animOut:SetStartDelay(1)
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button.fadeOut:SetToFinalAlpha(true)
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lib.objects[name] = button
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if lib.loggedIn then
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updatePosition(button, db and db.minimapPos)
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if not db or not db.hide then
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button:Show()
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else
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button:Hide()
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end
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end
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lib.callbacks:Fire("LibDBIcon_IconCreated", button, name) -- Fire 'Icon Created' callback
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end
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-- We could use a metatable.__index on lib.objects, but then we'd create
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-- the icons when checking things like :IsRegistered, which is not necessary.
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local function check(name)
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if lib.notCreated[name] then
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createButton(name, lib.notCreated[name][1], lib.notCreated[name][2])
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lib.notCreated[name] = nil
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end
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end
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-- Wait a bit with the initial positioning to let any GetMinimapShape addons
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-- load up.
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if not lib.loggedIn then
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local f = CreateFrame("Frame")
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f:SetScript("OnEvent", function(f)
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for _, button in next, lib.objects do
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updatePosition(button, button.db and button.db.minimapPos)
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if not button.db or not button.db.hide then
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button:Show()
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else
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button:Hide()
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end
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end
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lib.loggedIn = true
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f:SetScript("OnEvent", nil)
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end)
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f:RegisterEvent("PLAYER_LOGIN")
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end
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local function getDatabase(name)
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return lib.notCreated[name] and lib.notCreated[name][2] or lib.objects[name].db
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end
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function lib:Register(name, object, db)
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if not object.icon then error("Can't register LDB objects without icons set!") end
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if lib.objects[name] or lib.notCreated[name] then error(DBICON10.. ": Object '".. name .."' is already registered.") end
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if not db or not db.hide then
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createButton(name, object, db)
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else
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lib.notCreated[name] = {object, db}
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end
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end
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function lib:Lock(name)
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if not lib:IsRegistered(name) then return end
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if lib.objects[name] then
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lib.objects[name]:SetScript("OnDragStart", nil)
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lib.objects[name]:SetScript("OnDragStop", nil)
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end
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local db = getDatabase(name)
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if db then
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db.lock = true
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end
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end
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function lib:Unlock(name)
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if not lib:IsRegistered(name) then return end
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if lib.objects[name] then
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lib.objects[name]:SetScript("OnDragStart", onDragStart)
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lib.objects[name]:SetScript("OnDragStop", onDragStop)
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end
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local db = getDatabase(name)
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if db then
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db.lock = nil
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end
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end
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function lib:Hide(name)
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if not lib.objects[name] then return end
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lib.objects[name]:Hide()
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end
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function lib:Show(name)
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check(name)
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local button = lib.objects[name]
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if button then
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button:Show()
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updatePosition(button, button.db and button.db.minimapPos or button.minimapPos)
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end
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end
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function lib:IsRegistered(name)
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return (lib.objects[name] or lib.notCreated[name]) and true or false
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end
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function lib:Refresh(name, db)
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check(name)
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local button = lib.objects[name]
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if db then
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button.db = db
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end
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updatePosition(button, button.db and button.db.minimapPos or button.minimapPos)
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if not button.db or not button.db.hide then
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button:Show()
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else
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button:Hide()
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end
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if not button.db or not button.db.lock then
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button:SetScript("OnDragStart", onDragStart)
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button:SetScript("OnDragStop", onDragStop)
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else
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button:SetScript("OnDragStart", nil)
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button:SetScript("OnDragStop", nil)
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end
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end
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function lib:GetMinimapButton(name)
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return lib.objects[name]
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end
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do
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local function OnMinimapEnter()
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if isDraggingButton then return end
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for _, button in next, lib.objects do
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if button.showOnMouseover then
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button.fadeOut:Stop()
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button:SetAlpha(1)
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end
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end
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end
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local function OnMinimapLeave()
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if isDraggingButton then return end
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for _, button in next, lib.objects do
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if button.showOnMouseover then
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button.fadeOut:Play()
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end
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end
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end
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Minimap:HookScript("OnEnter", OnMinimapEnter)
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Minimap:HookScript("OnLeave", OnMinimapLeave)
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function lib:ShowOnEnter(name, value)
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local button = lib.objects[name]
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if button then
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if value then
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button.showOnMouseover = true
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button.fadeOut:Stop()
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button:SetAlpha(0)
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else
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button.showOnMouseover = false
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button.fadeOut:Stop()
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button:SetAlpha(1)
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end
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end
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end
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end
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function lib:GetButtonList()
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local t = {}
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for name in next, lib.objects do
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t[#t+1] = name
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end
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return t
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end
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function lib:SetButtonRadius(radius)
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if type(radius) == "number" then
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lib.radius = radius
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for _, button in next, lib.objects do
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updatePosition(button, button.db and button.db.minimapPos or button.minimapPos)
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end
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end
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end
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function lib:SetButtonToPosition(button, position)
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updatePosition(lib.objects[button] or button, position)
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end
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-- Upgrade!
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for name, button in next, lib.objects do
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local db = getDatabase(name)
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if not db or not db.lock then
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button:SetScript("OnDragStart", onDragStart)
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button:SetScript("OnDragStop", onDragStop)
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end
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button:SetScript("OnEnter", onEnter)
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button:SetScript("OnLeave", onLeave)
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button:SetScript("OnClick", onClick)
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button:SetScript("OnMouseDown", onMouseDown)
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button:SetScript("OnMouseUp", onMouseUp)
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if not button.fadeOut then -- Upgrade to 39
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button.fadeOut = button:CreateAnimationGroup()
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local animOut = button.fadeOut:CreateAnimation("Alpha")
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animOut:SetOrder(1)
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animOut:SetDuration(0.2)
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animOut:SetFromAlpha(1)
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animOut:SetToAlpha(0)
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animOut:SetStartDelay(1)
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button.fadeOut:SetToFinalAlpha(true)
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end
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end
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lib:SetButtonRadius(lib.radius) -- Upgrade to 40
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