Merge pull request #43958 from EricEzaM/PR/basebutton-add-property-and-doco

Exposed shortcut_context property to scripting and added documentation.

doc/classes/BaseButton.xml

@@ -65,6 +65,9 @@
 		<member name="shortcut" type="Shortcut" setter="set_shortcut" getter="get_shortcut">
 			[Shortcut] associated to the button.
 		</member>
+		<member name="shortcut_context" type="Node" setter="set_shortcut_context" getter="get_shortcut_context">
+			The [Node] which must be a parent of the focused GUI [Control] for the shortcut to be activated. If [code]null[/code], the shortcut can be activated when any control is focused (a global shortcut). This allows shortcuts to be accepted only when the user has a certain area of the GUI focused.
+		</member>
 		<member name="shortcut_in_tooltip" type="bool" setter="set_shortcut_in_tooltip" getter="is_shortcut_in_tooltip_enabled" default="true">
 			If [code]true[/code], the button will add information about its shortcut in the tooltip.
 		</member>

scene/gui/base_button.cpp

@@ -435,6 +435,7 @@ void BaseButton::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "keep_pressed_outside"), "set_keep_pressed_outside", "is_keep_pressed_outside");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "shortcut", PROPERTY_HINT_RESOURCE_TYPE, "Shortcut"), "set_shortcut", "get_shortcut");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "button_group", PROPERTY_HINT_RESOURCE_TYPE, "ButtonGroup"), "set_button_group", "get_button_group");
+	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "shortcut_context", PROPERTY_HINT_RESOURCE_TYPE, "Node"), "set_shortcut_context", "get_shortcut_context");
 
 	BIND_ENUM_CONSTANT(DRAW_NORMAL);
 	BIND_ENUM_CONSTANT(DRAW_PRESSED);