Tercio@23: --[[-----------------------------------------------------------------------------
Tercio@23: Keybinding Widget
Tercio@23: Set Keybindings in the Config UI.
Tercio@23: -------------------------------------------------------------------------------]]
Tercio@23: local Type, Version = "Keybinding", 24
Tercio@23: local AceGUI = LibStub and LibStub("AceGUI-3.0", true)
Tercio@23: if not AceGUI or (AceGUI:GetWidgetVersion(Type) or 0) >= Version then return end
Tercio@23: 
Tercio@23: -- Lua APIs
Tercio@23: local pairs = pairs
Tercio@23: 
Tercio@23: -- WoW APIs
Tercio@23: local IsShiftKeyDown, IsControlKeyDown, IsAltKeyDown = IsShiftKeyDown, IsControlKeyDown, IsAltKeyDown
Tercio@23: local CreateFrame, UIParent = CreateFrame, UIParent
Tercio@23: 
Tercio@23: -- Global vars/functions that we don't upvalue since they might get hooked, or upgraded
Tercio@23: -- List them here for Mikk's FindGlobals script
Tercio@23: -- GLOBALS: NOT_BOUND
Tercio@23: 
Tercio@23: local wowMoP
Tercio@23: do
Tercio@23: 	local _, _, _, interface = GetBuildInfo()
Tercio@23: 	wowMoP = (interface >= 50000)
Tercio@23: end
Tercio@23: 
Tercio@23: --[[-----------------------------------------------------------------------------
Tercio@23: Scripts
Tercio@23: -------------------------------------------------------------------------------]]
Tercio@23: 
Tercio@23: local function Control_OnEnter(frame)
Tercio@23: 	frame.obj:Fire("OnEnter")
Tercio@23: end
Tercio@23: 
Tercio@23: local function Control_OnLeave(frame)
Tercio@23: 	frame.obj:Fire("OnLeave")
Tercio@23: end
Tercio@23: 
Tercio@23: local function Keybinding_OnClick(frame, button)
Tercio@23: 	if button == "LeftButton" or button == "RightButton" then
Tercio@23: 		local self = frame.obj
Tercio@23: 		if self.waitingForKey then
Tercio@23: 			frame:EnableKeyboard(false)
Tercio@23: 			self.msgframe:Hide()
Tercio@23: 			frame:UnlockHighlight()
Tercio@23: 			self.waitingForKey = nil
Tercio@23: 		else
Tercio@23: 			frame:EnableKeyboard(true)
Tercio@23: 			self.msgframe:Show()
Tercio@23: 			frame:LockHighlight()
Tercio@23: 			self.waitingForKey = true
Tercio@23: 		end
Tercio@23: 	end
Tercio@23: 	AceGUI:ClearFocus()
Tercio@23: end
Tercio@23: 
Tercio@23: local ignoreKeys = {
Tercio@23: 	["BUTTON1"] = true, ["BUTTON2"] = true,
Tercio@23: 	["UNKNOWN"] = true,
Tercio@23: 	["LSHIFT"] = true, ["LCTRL"] = true, ["LALT"] = true,
Tercio@23: 	["RSHIFT"] = true, ["RCTRL"] = true, ["RALT"] = true,
Tercio@23: }
Tercio@23: local function Keybinding_OnKeyDown(frame, key)
Tercio@23: 	local self = frame.obj
Tercio@23: 	if self.waitingForKey then
Tercio@23: 		local keyPressed = key
Tercio@23: 		if keyPressed == "ESCAPE" then
Tercio@23: 			keyPressed = ""
Tercio@23: 		else
Tercio@23: 			if ignoreKeys[keyPressed] then return end
Tercio@23: 			if IsShiftKeyDown() then
Tercio@23: 				keyPressed = "SHIFT-"..keyPressed
Tercio@23: 			end
Tercio@23: 			if IsControlKeyDown() then
Tercio@23: 				keyPressed = "CTRL-"..keyPressed
Tercio@23: 			end
Tercio@23: 			if IsAltKeyDown() then
Tercio@23: 				keyPressed = "ALT-"..keyPressed
Tercio@23: 			end
Tercio@23: 		end
Tercio@23: 
Tercio@23: 		frame:EnableKeyboard(false)
Tercio@23: 		self.msgframe:Hide()
Tercio@23: 		frame:UnlockHighlight()
Tercio@23: 		self.waitingForKey = nil
Tercio@23: 
Tercio@23: 		if not self.disabled then
Tercio@23: 			self:SetKey(keyPressed)
Tercio@23: 			self:Fire("OnKeyChanged", keyPressed)
Tercio@23: 		end
Tercio@23: 	end
Tercio@23: end
Tercio@23: 
Tercio@23: local function Keybinding_OnMouseDown(frame, button)
Tercio@23: 	if button == "LeftButton" or button == "RightButton" then
Tercio@23: 		return
Tercio@23: 	elseif button == "MiddleButton" then
Tercio@23: 		button = "BUTTON3"
Tercio@23: 	elseif button == "Button4" then
Tercio@23: 		button = "BUTTON4"
Tercio@23: 	elseif button == "Button5" then
Tercio@23: 		button = "BUTTON5"
Tercio@23: 	end
Tercio@23: 	Keybinding_OnKeyDown(frame, button)
Tercio@23: end
Tercio@23: 
Tercio@23: --[[-----------------------------------------------------------------------------
Tercio@23: Methods
Tercio@23: -------------------------------------------------------------------------------]]
Tercio@23: local methods = {
Tercio@23: 	["OnAcquire"] = function(self)
Tercio@23: 		self:SetWidth(200)
Tercio@23: 		self:SetLabel("")
Tercio@23: 		self:SetKey("")
Tercio@23: 		self.waitingForKey = nil
Tercio@23: 		self.msgframe:Hide()
Tercio@23: 		self:SetDisabled(false)
Tercio@23: 		self.button:EnableKeyboard(false)
Tercio@23: 	end,
Tercio@23: 
Tercio@23: 	-- ["OnRelease"] = nil,
Tercio@23: 
Tercio@23: 	["SetDisabled"] = function(self, disabled)
Tercio@23: 		self.disabled = disabled
Tercio@23: 		if disabled then
Tercio@23: 			self.button:Disable()
Tercio@23: 			self.label:SetTextColor(0.5,0.5,0.5)
Tercio@23: 		else
Tercio@23: 			self.button:Enable()
Tercio@23: 			self.label:SetTextColor(1,1,1)
Tercio@23: 		end
Tercio@23: 	end,
Tercio@23: 
Tercio@23: 	["SetKey"] = function(self, key)
Tercio@23: 		if (key or "") == "" then
Tercio@23: 			self.button:SetText(NOT_BOUND)
Tercio@23: 			self.button:SetNormalFontObject("GameFontNormal")
Tercio@23: 		else
Tercio@23: 			self.button:SetText(key)
Tercio@23: 			self.button:SetNormalFontObject("GameFontHighlight")
Tercio@23: 		end
Tercio@23: 	end,
Tercio@23: 
Tercio@23: 	["GetKey"] = function(self)
Tercio@23: 		local key = self.button:GetText()
Tercio@23: 		if key == NOT_BOUND then
Tercio@23: 			key = nil
Tercio@23: 		end
Tercio@23: 		return key
Tercio@23: 	end,
Tercio@23: 
Tercio@23: 	["SetLabel"] = function(self, label)
Tercio@23: 		self.label:SetText(label or "")
Tercio@23: 		if (label or "") == "" then
Tercio@23: 			self.alignoffset = nil
Tercio@23: 			self:SetHeight(24)
Tercio@23: 		else
Tercio@23: 			self.alignoffset = 30
Tercio@23: 			self:SetHeight(44)
Tercio@23: 		end
Tercio@23: 	end,
Tercio@23: }
Tercio@23: 
Tercio@23: --[[-----------------------------------------------------------------------------
Tercio@23: Constructor
Tercio@23: -------------------------------------------------------------------------------]]
Tercio@23: 
Tercio@23: local ControlBackdrop  = {
Tercio@23: 	bgFile = "Interface\\Tooltips\\UI-Tooltip-Background",
Tercio@23: 	edgeFile = "Interface\\Tooltips\\UI-Tooltip-Border",
Tercio@23: 	tile = true, tileSize = 16, edgeSize = 16,
Tercio@23: 	insets = { left = 3, right = 3, top = 3, bottom = 3 }
Tercio@23: }
Tercio@23: 
Tercio@23: local function keybindingMsgFixWidth(frame)
Tercio@23: 	frame:SetWidth(frame.msg:GetWidth() + 10)
Tercio@23: 	frame:SetScript("OnUpdate", nil)
Tercio@23: end
Tercio@23: 
Tercio@23: local function Constructor()
Tercio@23: 	local name = "AceGUI30KeybindingButton" .. AceGUI:GetNextWidgetNum(Type)
Tercio@23: 
Tercio@23: 	local frame = CreateFrame("Frame", nil, UIParent)
Tercio@23: 	local button = CreateFrame("Button", name, frame, wowMoP and "UIPanelButtonTemplate" or "UIPanelButtonTemplate2")
Tercio@23: 
Tercio@23: 	button:EnableMouse(true)
Tercio@23: 	button:RegisterForClicks("AnyDown")
Tercio@23: 	button:SetScript("OnEnter", Control_OnEnter)
Tercio@23: 	button:SetScript("OnLeave", Control_OnLeave)
Tercio@23: 	button:SetScript("OnClick", Keybinding_OnClick)
Tercio@23: 	button:SetScript("OnKeyDown", Keybinding_OnKeyDown)
Tercio@23: 	button:SetScript("OnMouseDown", Keybinding_OnMouseDown)
Tercio@23: 	button:SetPoint("BOTTOMLEFT")
Tercio@23: 	button:SetPoint("BOTTOMRIGHT")
Tercio@23: 	button:SetHeight(24)
Tercio@23: 	button:EnableKeyboard(false)
Tercio@23: 
Tercio@23: 	local text = button:GetFontString()
Tercio@23: 	text:SetPoint("LEFT", 7, 0)
Tercio@23: 	text:SetPoint("RIGHT", -7, 0)
Tercio@23: 
Tercio@23: 	local label = frame:CreateFontString(nil, "OVERLAY", "GameFontHighlight")
Tercio@23: 	label:SetPoint("TOPLEFT")
Tercio@23: 	label:SetPoint("TOPRIGHT")
Tercio@23: 	label:SetJustifyH("CENTER")
Tercio@23: 	label:SetHeight(18)
Tercio@23: 
Tercio@23: 	local msgframe = CreateFrame("Frame", nil, UIParent)
Tercio@23: 	msgframe:SetHeight(30)
Tercio@23: 	msgframe:SetBackdrop(ControlBackdrop)
Tercio@23: 	msgframe:SetBackdropColor(0,0,0)
Tercio@23: 	msgframe:SetFrameStrata("FULLSCREEN_DIALOG")
Tercio@23: 	msgframe:SetFrameLevel(1000)
Tercio@23: 	msgframe:SetToplevel(true)
Tercio@23: 
Tercio@23: 	local msg = msgframe:CreateFontString(nil, "OVERLAY", "GameFontNormal")
Tercio@23: 	msg:SetText("Press a key to bind, ESC to clear the binding or click the button again to cancel.")
Tercio@23: 	msgframe.msg = msg
Tercio@23: 	msg:SetPoint("TOPLEFT", 5, -5)
Tercio@23: 	msgframe:SetScript("OnUpdate", keybindingMsgFixWidth)
Tercio@23: 	msgframe:SetPoint("BOTTOM", button, "TOP")
Tercio@23: 	msgframe:Hide()
Tercio@23: 
Tercio@23: 	local widget = {
Tercio@23: 		button      = button,
Tercio@23: 		label       = label,
Tercio@23: 		msgframe    = msgframe,
Tercio@23: 		frame       = frame,
Tercio@23: 		alignoffset = 30,
Tercio@23: 		type        = Type
Tercio@23: 	}
Tercio@23: 	for method, func in pairs(methods) do
Tercio@23: 		widget[method] = func
Tercio@23: 	end
Tercio@23: 	button.obj = widget
Tercio@23: 
Tercio@23: 	return AceGUI:RegisterAsWidget(widget)
Tercio@23: end
Tercio@23: 
Tercio@23: AceGUI:RegisterWidgetType(Type, Constructor, Version)