tercio@0: --[[-----------------------------------------------------------------------------
tercio@0: ColorPicker Widget
tercio@0: -------------------------------------------------------------------------------]]
Tercio@18: local Type, Version = "ColorPicker", 23
tercio@0: local AceGUI = LibStub and LibStub("AceGUI-3.0", true)
tercio@0: if not AceGUI or (AceGUI:GetWidgetVersion(Type) or 0) >= Version then return end
tercio@0: 
tercio@0: -- Lua APIs
tercio@0: local pairs = pairs
tercio@0: 
tercio@0: -- WoW APIs
tercio@0: local CreateFrame, UIParent = CreateFrame, UIParent
tercio@0: 
tercio@0: -- Global vars/functions that we don't upvalue since they might get hooked, or upgraded
tercio@0: -- List them here for Mikk's FindGlobals script
tercio@0: -- GLOBALS: ShowUIPanel, HideUIPanel, ColorPickerFrame, OpacitySliderFrame
tercio@0: 
tercio@0: --[[-----------------------------------------------------------------------------
tercio@0: Support functions
tercio@0: -------------------------------------------------------------------------------]]
tercio@0: local function ColorCallback(self, r, g, b, a, isAlpha)
tercio@0: 	if not self.HasAlpha then
tercio@0: 		a = 1
tercio@0: 	end
tercio@0: 	self:SetColor(r, g, b, a)
tercio@0: 	if ColorPickerFrame:IsVisible() then
tercio@0: 		--colorpicker is still open
tercio@0: 		self:Fire("OnValueChanged", r, g, b, a)
tercio@0: 	else
tercio@0: 		--colorpicker is closed, color callback is first, ignore it,
tercio@0: 		--alpha callback is the final call after it closes so confirm now
tercio@0: 		if isAlpha then
tercio@0: 			self:Fire("OnValueConfirmed", r, g, b, a)
tercio@0: 		end
tercio@0: 	end
tercio@0: end
tercio@0: 
tercio@0: --[[-----------------------------------------------------------------------------
tercio@0: Scripts
tercio@0: -------------------------------------------------------------------------------]]
tercio@0: local function Control_OnEnter(frame)
tercio@0: 	frame.obj:Fire("OnEnter")
tercio@0: end
tercio@0: 
tercio@0: local function Control_OnLeave(frame)
tercio@0: 	frame.obj:Fire("OnLeave")
tercio@0: end
tercio@0: 
tercio@0: local function ColorSwatch_OnClick(frame)
tercio@0: 	HideUIPanel(ColorPickerFrame)
tercio@0: 	local self = frame.obj
tercio@0: 	if not self.disabled then
tercio@0: 		ColorPickerFrame:SetFrameStrata("FULLSCREEN_DIALOG")
Tercio@18: 		ColorPickerFrame:SetFrameLevel(frame:GetFrameLevel() + 10)
tercio@0: 		ColorPickerFrame:SetClampedToScreen(true)
tercio@0: 
tercio@0: 		ColorPickerFrame.func = function()
tercio@0: 			local r, g, b = ColorPickerFrame:GetColorRGB()
tercio@0: 			local a = 1 - OpacitySliderFrame:GetValue()
tercio@0: 			ColorCallback(self, r, g, b, a)
tercio@0: 		end
tercio@0: 
tercio@0: 		ColorPickerFrame.hasOpacity = self.HasAlpha
tercio@0: 		ColorPickerFrame.opacityFunc = function()
tercio@0: 			local r, g, b = ColorPickerFrame:GetColorRGB()
tercio@0: 			local a = 1 - OpacitySliderFrame:GetValue()
tercio@0: 			ColorCallback(self, r, g, b, a, true)
tercio@0: 		end
tercio@0: 
tercio@0: 		local r, g, b, a = self.r, self.g, self.b, self.a
tercio@0: 		if self.HasAlpha then
tercio@0: 			ColorPickerFrame.opacity = 1 - (a or 0)
tercio@0: 		end
tercio@0: 		ColorPickerFrame:SetColorRGB(r, g, b)
tercio@0: 
tercio@0: 		ColorPickerFrame.cancelFunc = function()
tercio@0: 			ColorCallback(self, r, g, b, a, true)
tercio@0: 		end
tercio@0: 
tercio@0: 		ShowUIPanel(ColorPickerFrame)
tercio@0: 	end
tercio@0: 	AceGUI:ClearFocus()
tercio@0: end
tercio@0: 
tercio@0: --[[-----------------------------------------------------------------------------
tercio@0: Methods
tercio@0: -------------------------------------------------------------------------------]]
tercio@0: local methods = {
tercio@0: 	["OnAcquire"] = function(self)
tercio@0: 		self:SetHeight(24)
tercio@0: 		self:SetWidth(200)
tercio@0: 		self:SetHasAlpha(false)
tercio@0: 		self:SetColor(0, 0, 0, 1)
tercio@0: 		self:SetDisabled(nil)
tercio@0: 		self:SetLabel(nil)
tercio@0: 	end,
tercio@0: 
tercio@0: 	-- ["OnRelease"] = nil,
tercio@0: 
tercio@0: 	["SetLabel"] = function(self, text)
tercio@0: 		self.text:SetText(text)
tercio@0: 	end,
tercio@0: 
tercio@0: 	["SetColor"] = function(self, r, g, b, a)
tercio@0: 		self.r = r
tercio@0: 		self.g = g
tercio@0: 		self.b = b
tercio@0: 		self.a = a or 1
tercio@0: 		self.colorSwatch:SetVertexColor(r, g, b, a)
tercio@0: 	end,
tercio@0: 
tercio@0: 	["SetHasAlpha"] = function(self, HasAlpha)
tercio@0: 		self.HasAlpha = HasAlpha
tercio@0: 	end,
tercio@0: 
tercio@0: 	["SetDisabled"] = function(self, disabled)
tercio@0: 		self.disabled = disabled
tercio@0: 		if self.disabled then
tercio@0: 			self.frame:Disable()
tercio@0: 			self.text:SetTextColor(0.5, 0.5, 0.5)
tercio@0: 		else
tercio@0: 			self.frame:Enable()
tercio@0: 			self.text:SetTextColor(1, 1, 1)
tercio@0: 		end
tercio@0: 	end
tercio@0: }
tercio@0: 
tercio@0: --[[-----------------------------------------------------------------------------
tercio@0: Constructor
tercio@0: -------------------------------------------------------------------------------]]
tercio@0: local function Constructor()
tercio@0: 	local frame = CreateFrame("Button", nil, UIParent)
tercio@0: 	frame:Hide()
tercio@0: 
tercio@0: 	frame:EnableMouse(true)
tercio@0: 	frame:SetScript("OnEnter", Control_OnEnter)
tercio@0: 	frame:SetScript("OnLeave", Control_OnLeave)
tercio@0: 	frame:SetScript("OnClick", ColorSwatch_OnClick)
tercio@0: 
tercio@0: 	local colorSwatch = frame:CreateTexture(nil, "OVERLAY")
tercio@0: 	colorSwatch:SetWidth(19)
tercio@0: 	colorSwatch:SetHeight(19)
tercio@0: 	colorSwatch:SetTexture("Interface\\ChatFrame\\ChatFrameColorSwatch")
tercio@0: 	colorSwatch:SetPoint("LEFT")
tercio@0: 
tercio@0: 	local texture = frame:CreateTexture(nil, "BACKGROUND")
tercio@0: 	texture:SetWidth(16)
tercio@0: 	texture:SetHeight(16)
Tercio@18: 	texture:SetColorTexture(1, 1, 1)
tercio@0: 	texture:SetPoint("CENTER", colorSwatch)
tercio@0: 	texture:Show()
tercio@0: 
tercio@0: 	local checkers = frame:CreateTexture(nil, "BACKGROUND")
tercio@0: 	checkers:SetWidth(14)
tercio@0: 	checkers:SetHeight(14)
tercio@0: 	checkers:SetTexture("Tileset\\Generic\\Checkers")
tercio@0: 	checkers:SetTexCoord(.25, 0, 0.5, .25)
tercio@0: 	checkers:SetDesaturated(true)
tercio@0: 	checkers:SetVertexColor(1, 1, 1, 0.75)
tercio@0: 	checkers:SetPoint("CENTER", colorSwatch)
tercio@0: 	checkers:Show()
tercio@0: 
tercio@0: 	local text = frame:CreateFontString(nil,"OVERLAY","GameFontHighlight")
tercio@0: 	text:SetHeight(24)
tercio@0: 	text:SetJustifyH("LEFT")
tercio@0: 	text:SetTextColor(1, 1, 1)
tercio@0: 	text:SetPoint("LEFT", colorSwatch, "RIGHT", 2, 0)
tercio@0: 	text:SetPoint("RIGHT")
tercio@0: 
tercio@0: 	--local highlight = frame:CreateTexture(nil, "HIGHLIGHT")
tercio@0: 	--highlight:SetTexture("Interface\\QuestFrame\\UI-QuestTitleHighlight")
tercio@0: 	--highlight:SetBlendMode("ADD")
tercio@0: 	--highlight:SetAllPoints(frame)
tercio@0: 
tercio@0: 	local widget = {
tercio@0: 		colorSwatch = colorSwatch,
tercio@0: 		text        = text,
tercio@0: 		frame       = frame,
tercio@0: 		type        = Type
tercio@0: 	}
tercio@0: 	for method, func in pairs(methods) do
tercio@0: 		widget[method] = func
tercio@0: 	end
tercio@0: 
tercio@0: 	return AceGUI:RegisterAsWidget(widget)
tercio@0: end
tercio@0: 
tercio@0: AceGUI:RegisterWidgetType(Type, Constructor, Version)