Allow ContextMenuItem to be opened on left click

close #55

API.lua

@@ -750,11 +750,13 @@ end
 			Slab.EndContextMenu()
 		end
 
+	Button: [Number] The mouse button to use for opening up this context menu.
+
 	Return: [Boolean] Returns true if the user right clicks on the previous item call. EndContextMenu must be called in order for
 		this to function properly.
 --]]
-function Slab.BeginContextMenuItem()
-	return Menu.BeginContextMenu({IsItem = true})
+function Slab.BeginContextMenuItem(Button)
+	return Menu.BeginContextMenu({IsItem = true, Button = Button})
 end
 
 --[[
@@ -764,11 +766,13 @@ end
 	of a window's widget calls so that Slab can catch any BeginContextMenuItem calls before this call. If this function returns true,
 	EndContextMenu must be called.
 
+	Button: [Number] The mouse button to use for opening up this context menu.
+
 	Return: [Boolean] Returns true if the user right clicks anywhere within the window. EndContextMenu must be called in order for this
 		to function properly.
 --]]
-function Slab.BeginContextMenuWindow()
-	return Menu.BeginContextMenu({IsWindow = true})
+function Slab.BeginContextMenuWindow(Button)
+	return Menu.BeginContextMenu({IsWindow = true, Button = Button})
 end
 
 --[[

Internal/UI/Dialog.lua

@@ -416,7 +416,7 @@ function Dialog.FileDialog(Options)
 			Options.AllowMultiSelect = false
 			Options.Title = "Save File"
 		elseif Options.Type == 'opendirectory' then
-			Title = "Open Directory"
+			Options.Title = "Open Directory"
 		end
 	end
 

Internal/UI/Menu.lua

@@ -279,6 +279,9 @@ end
 
 function Menu.BeginContextMenu(Options)
 	Options = Options == nil and {} or Options
+	Options.IsItem = Options.IsItem == nil and false or Options.IsItem
+	Options.IsWindow = Options.IsWindow == nil and false or Options.IsWindow
+	Options.Button = Options.Button == nil and 2 or Options.Button
 
 	local BaseId = nil
 	local Id = nil
@@ -314,7 +317,7 @@ function Menu.BeginContextMenu(Options)
 	end
 
 	local IsOpening = false
-	if not Window.IsObstructedAtMouse() and Window.IsMouseHovered() and Mouse.IsClicked(2) then
+	if not Window.IsObstructedAtMouse() and Window.IsMouseHovered() and Mouse.IsClicked(Options.Button) then
 		local IsValidWindow = Options.IsWindow and Window.GetHotItem() == nil
 		local IsValidItem = Options.IsItem
 

SlabTest.lua

@@ -231,8 +231,8 @@ local DrawMenus_CheckBox = false
 local DrawMenus_ComboBox = {"Apple", "Banana", "Pear", "Orange", "Lemon"}
 local DrawMenus_ComboBox_Selected = "Apple"
 
-local function DrawContextMenuItem(Label)
-	if Slab.BeginContextMenuItem() then
+local function DrawContextMenuItem(Label, Button)
+	if Slab.BeginContextMenuItem(Button) then
 		for I = 1, 5, 1 do
 			local MenuLabel = Label .. " Option " .. I
 			if Slab.MenuItem(MenuLabel) then
@@ -303,6 +303,15 @@ local function DrawMenus()
 	end
 	DrawContextMenuItem("Combo Box")
 
+	Slab.NewLine()
+	Slab.Textf(
+		"Context menu items are usually opened with the right mouse button. This can be changed for context menus to be a differen " ..
+		"mouse button. The button below will open a context menu using the left mouse button.")
+
+	Slab.NewLine()
+	Slab.Button("Left Mouse")
+	DrawContextMenuItem("Left Mouse Button", 1)
+
 	Slab.NewLine()
 	Slab.Separator()