Lua: Expose Widget.toolTip property

Change-Id: I85217a568ad2f2d4038d6dff46c83707ba580d0e
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>

src/plugins/lua/bindings/gui.cpp

@@ -676,6 +676,8 @@ void setupGuiModule()
             sol::property([](Widget *self) { return self->emerge()->hasFocus(); }),
             "setFocus",
             [](Widget *self) { self->emerge()->setFocus(); },
+            "toolTip",
+            sol::property(&Widget::setToolTip),
             sol::base_classes,
             sol::bases<Object, Thing>());
 

src/plugins/lua/meta/gui.lua

@@ -13,6 +13,8 @@ gui.layout = {}
 ---@class Widget : Object
 ---@field visible boolean Whether the widget is visible or not.
 ---@field enabled boolean Whether the widget is enabled or not.
+---@field focus boolean Whether the widget has focus or not.
+---@field toolTip string The tooltip of the widget.
 gui.widget = {}
 
 ---@alias LayoutChild string|BaseAspect|Layout|Widget|function
@@ -26,6 +28,7 @@ gui.widget = {}
 ---@field widgetAttributes? WidgetAttributeMapT<boolean> The widget attributes of the widget.
 ---@field autoFillBackground? boolean A boolean, representing whether the widget should automatically fill its background.
 ---@field sizePolicy? SizePolicy.Policy[] Two size policies of the widget, horizontal and vertical.
+---@field toolTip string The tooltip of the widget.
 gui.baseWidgetOptions = {}
 
 ---@class (exact) WidgetOptions : BaseWidgetOptions