tercio@0: --[[-----------------------------------------------------------------------------
tercio@0: Keybinding Widget
tercio@0: Set Keybindings in the Config UI.
tercio@0: -------------------------------------------------------------------------------]]
Tercio@11: local Type, Version = "Keybinding", 25
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 IsShiftKeyDown, IsControlKeyDown, IsAltKeyDown = IsShiftKeyDown, IsControlKeyDown, IsAltKeyDown
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: NOT_BOUND
tercio@0: 
tercio@0: --[[-----------------------------------------------------------------------------
tercio@0: Scripts
tercio@0: -------------------------------------------------------------------------------]]
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 Keybinding_OnClick(frame, button)
tercio@0: 	if button == "LeftButton" or button == "RightButton" then
tercio@0: 		local self = frame.obj
tercio@0: 		if self.waitingForKey then
tercio@0: 			frame:EnableKeyboard(false)
Tercio@11: 			frame:EnableMouseWheel(false)
tercio@0: 			self.msgframe:Hide()
tercio@0: 			frame:UnlockHighlight()
tercio@0: 			self.waitingForKey = nil
tercio@0: 		else
tercio@0: 			frame:EnableKeyboard(true)
Tercio@11: 			frame:EnableMouseWheel(true)
tercio@0: 			self.msgframe:Show()
tercio@0: 			frame:LockHighlight()
tercio@0: 			self.waitingForKey = true
tercio@0: 		end
tercio@0: 	end
tercio@0: 	AceGUI:ClearFocus()
tercio@0: end
tercio@0: 
tercio@0: local ignoreKeys = {
tercio@0: 	["BUTTON1"] = true, ["BUTTON2"] = true,
tercio@0: 	["UNKNOWN"] = true,
tercio@0: 	["LSHIFT"] = true, ["LCTRL"] = true, ["LALT"] = true,
tercio@0: 	["RSHIFT"] = true, ["RCTRL"] = true, ["RALT"] = true,
tercio@0: }
tercio@0: local function Keybinding_OnKeyDown(frame, key)
tercio@0: 	local self = frame.obj
tercio@0: 	if self.waitingForKey then
tercio@0: 		local keyPressed = key
tercio@0: 		if keyPressed == "ESCAPE" then
tercio@0: 			keyPressed = ""
tercio@0: 		else
tercio@0: 			if ignoreKeys[keyPressed] then return end
tercio@0: 			if IsShiftKeyDown() then
tercio@0: 				keyPressed = "SHIFT-"..keyPressed
tercio@0: 			end
tercio@0: 			if IsControlKeyDown() then
tercio@0: 				keyPressed = "CTRL-"..keyPressed
tercio@0: 			end
tercio@0: 			if IsAltKeyDown() then
tercio@0: 				keyPressed = "ALT-"..keyPressed
tercio@0: 			end
tercio@0: 		end
tercio@0: 
tercio@0: 		frame:EnableKeyboard(false)
Tercio@11: 		frame:EnableMouseWheel(false)
tercio@0: 		self.msgframe:Hide()
tercio@0: 		frame:UnlockHighlight()
tercio@0: 		self.waitingForKey = nil
tercio@0: 
tercio@0: 		if not self.disabled then
tercio@0: 			self:SetKey(keyPressed)
tercio@0: 			self:Fire("OnKeyChanged", keyPressed)
tercio@0: 		end
tercio@0: 	end
tercio@0: end
tercio@0: 
tercio@0: local function Keybinding_OnMouseDown(frame, button)
tercio@0: 	if button == "LeftButton" or button == "RightButton" then
tercio@0: 		return
tercio@0: 	elseif button == "MiddleButton" then
tercio@0: 		button = "BUTTON3"
tercio@0: 	elseif button == "Button4" then
tercio@0: 		button = "BUTTON4"
tercio@0: 	elseif button == "Button5" then
tercio@0: 		button = "BUTTON5"
tercio@0: 	end
tercio@0: 	Keybinding_OnKeyDown(frame, button)
tercio@0: end
tercio@0: 
Tercio@11: local function Keybinding_OnMouseWheel(frame, direction)
Tercio@11: 	local button
Tercio@11: 	if direction >= 0 then
Tercio@11: 		button = "MOUSEWHEELUP"
Tercio@11: 	else
Tercio@11: 		button = "MOUSEWHEELDOWN"
Tercio@11: 	end
Tercio@11: 	Keybinding_OnKeyDown(frame, button)
Tercio@11: end
Tercio@11: 
tercio@0: --[[-----------------------------------------------------------------------------
tercio@0: Methods
tercio@0: -------------------------------------------------------------------------------]]
tercio@0: local methods = {
tercio@0: 	["OnAcquire"] = function(self)
tercio@0: 		self:SetWidth(200)
tercio@0: 		self:SetLabel("")
tercio@0: 		self:SetKey("")
tercio@0: 		self.waitingForKey = nil
tercio@0: 		self.msgframe:Hide()
tercio@0: 		self:SetDisabled(false)
tercio@0: 		self.button:EnableKeyboard(false)
Tercio@11: 		self.button:EnableMouseWheel(false)
tercio@0: 	end,
tercio@0: 
tercio@0: 	-- ["OnRelease"] = nil,
tercio@0: 
tercio@0: 	["SetDisabled"] = function(self, disabled)
tercio@0: 		self.disabled = disabled
tercio@0: 		if disabled then
tercio@0: 			self.button:Disable()
tercio@0: 			self.label:SetTextColor(0.5,0.5,0.5)
tercio@0: 		else
tercio@0: 			self.button:Enable()
tercio@0: 			self.label:SetTextColor(1,1,1)
tercio@0: 		end
tercio@0: 	end,
tercio@0: 
tercio@0: 	["SetKey"] = function(self, key)
tercio@0: 		if (key or "") == "" then
tercio@0: 			self.button:SetText(NOT_BOUND)
tercio@0: 			self.button:SetNormalFontObject("GameFontNormal")
tercio@0: 		else
tercio@0: 			self.button:SetText(key)
tercio@0: 			self.button:SetNormalFontObject("GameFontHighlight")
tercio@0: 		end
tercio@0: 	end,
tercio@0: 
tercio@0: 	["GetKey"] = function(self)
tercio@0: 		local key = self.button:GetText()
tercio@0: 		if key == NOT_BOUND then
tercio@0: 			key = nil
tercio@0: 		end
tercio@0: 		return key
tercio@0: 	end,
tercio@0: 
tercio@0: 	["SetLabel"] = function(self, label)
tercio@0: 		self.label:SetText(label or "")
tercio@0: 		if (label or "") == "" then
tercio@0: 			self.alignoffset = nil
tercio@0: 			self:SetHeight(24)
tercio@0: 		else
tercio@0: 			self.alignoffset = 30
tercio@0: 			self:SetHeight(44)
tercio@0: 		end
tercio@0: 	end,
tercio@0: }
tercio@0: 
tercio@0: --[[-----------------------------------------------------------------------------
tercio@0: Constructor
tercio@0: -------------------------------------------------------------------------------]]
tercio@0: 
tercio@0: local ControlBackdrop  = {
tercio@0: 	bgFile = "Interface\\Tooltips\\UI-Tooltip-Background",
tercio@0: 	edgeFile = "Interface\\Tooltips\\UI-Tooltip-Border",
tercio@0: 	tile = true, tileSize = 16, edgeSize = 16,
tercio@0: 	insets = { left = 3, right = 3, top = 3, bottom = 3 }
tercio@0: }
tercio@0: 
tercio@0: local function keybindingMsgFixWidth(frame)
tercio@0: 	frame:SetWidth(frame.msg:GetWidth() + 10)
tercio@0: 	frame:SetScript("OnUpdate", nil)
tercio@0: end
tercio@0: 
tercio@0: local function Constructor()
tercio@0: 	local name = "AceGUI30KeybindingButton" .. AceGUI:GetNextWidgetNum(Type)
tercio@0: 
tercio@0: 	local frame = CreateFrame("Frame", nil, UIParent)
Tercio@11: 	local button = CreateFrame("Button", name, frame, "UIPanelButtonTemplate")
tercio@0: 
tercio@0: 	button:EnableMouse(true)
Tercio@11: 	button:EnableMouseWheel(false)
tercio@0: 	button:RegisterForClicks("AnyDown")
tercio@0: 	button:SetScript("OnEnter", Control_OnEnter)
tercio@0: 	button:SetScript("OnLeave", Control_OnLeave)
tercio@0: 	button:SetScript("OnClick", Keybinding_OnClick)
tercio@0: 	button:SetScript("OnKeyDown", Keybinding_OnKeyDown)
tercio@0: 	button:SetScript("OnMouseDown", Keybinding_OnMouseDown)
Tercio@11: 	button:SetScript("OnMouseWheel", Keybinding_OnMouseWheel)
tercio@0: 	button:SetPoint("BOTTOMLEFT")
tercio@0: 	button:SetPoint("BOTTOMRIGHT")
tercio@0: 	button:SetHeight(24)
tercio@0: 	button:EnableKeyboard(false)
tercio@0: 
tercio@0: 	local text = button:GetFontString()
tercio@0: 	text:SetPoint("LEFT", 7, 0)
tercio@0: 	text:SetPoint("RIGHT", -7, 0)
tercio@0: 
tercio@0: 	local label = frame:CreateFontString(nil, "OVERLAY", "GameFontHighlight")
tercio@0: 	label:SetPoint("TOPLEFT")
tercio@0: 	label:SetPoint("TOPRIGHT")
tercio@0: 	label:SetJustifyH("CENTER")
tercio@0: 	label:SetHeight(18)
tercio@0: 
tercio@0: 	local msgframe = CreateFrame("Frame", nil, UIParent)
tercio@0: 	msgframe:SetHeight(30)
tercio@0: 	msgframe:SetBackdrop(ControlBackdrop)
tercio@0: 	msgframe:SetBackdropColor(0,0,0)
tercio@0: 	msgframe:SetFrameStrata("FULLSCREEN_DIALOG")
tercio@0: 	msgframe:SetFrameLevel(1000)
tercio@0: 	msgframe:SetToplevel(true)
tercio@0: 
tercio@0: 	local msg = msgframe:CreateFontString(nil, "OVERLAY", "GameFontNormal")
tercio@0: 	msg:SetText("Press a key to bind, ESC to clear the binding or click the button again to cancel.")
tercio@0: 	msgframe.msg = msg
tercio@0: 	msg:SetPoint("TOPLEFT", 5, -5)
tercio@0: 	msgframe:SetScript("OnUpdate", keybindingMsgFixWidth)
tercio@0: 	msgframe:SetPoint("BOTTOM", button, "TOP")
tercio@0: 	msgframe:Hide()
tercio@0: 
tercio@0: 	local widget = {
tercio@0: 		button      = button,
tercio@0: 		label       = label,
tercio@0: 		msgframe    = msgframe,
tercio@0: 		frame       = frame,
tercio@0: 		alignoffset = 30,
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: 	button.obj = widget
tercio@0: 
tercio@0: 	return AceGUI:RegisterAsWidget(widget)
tercio@0: end
tercio@0: 
tercio@0: AceGUI:RegisterWidgetType(Type, Constructor, Version)