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lua/derma/derma_menus.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+
+local tblOpenMenus = {}
+
+function RegisterDermaMenuForClose( dmenu )
+
+	table.insert( tblOpenMenus, dmenu )
+
+end
+
+function DermaMenu( parentmenu, parent )
+
+	if ( !parentmenu ) then CloseDermaMenus() end
+
+	local dmenu = vgui.Create( "DMenu", parent )
+
+	return dmenu
+
+end
+
+function CloseDermaMenus()
+
+	for k, dmenu in pairs( tblOpenMenus ) do
+
+		if ( IsValid( dmenu ) ) then
+
+			dmenu:SetVisible( false )
+			if ( dmenu:GetDeleteSelf() ) then
+				dmenu:Remove()
+			end
+
+		end
+
+	end
+
+	tblOpenMenus = {}
+	hook.Run( "CloseDermaMenus" )
+
+end
+
+--
+-- Here we detect when the mouse is pressed on another panel
+-- This allows us to close the menus.
+--
+local function DermaDetectMenuFocus( panel, mousecode )
+
+	if ( IsValid( panel ) ) then
+
+		if ( panel.m_bIsMenuComponent ) then return end
+
+		-- Is the parent a menu?
+		return DermaDetectMenuFocus( panel:GetParent(), mousecode )
+
+	end
+
+	CloseDermaMenus()
+
+end
+
+hook.Add( "VGUIMousePressed", "DermaDetectMenuFocus", DermaDetectMenuFocus )