context_menu
Description:
Emitted when a context menu is about to be displayed to give the application a chance to customize the proposed menu, prevent the menu from being displayed, or build its own context menu.
<itemizedlist> <listitem><para> To customize the proposed menu you can use
prepend,
append or
insert to add new
ContextMenuItem<!-- -->s to context_menu
,
move_item to reorder existing items, or
remove to remove an existing item. The signal handler should return
false, and the menu represented by context_menu
will be shown. </para></listitem>
<listitem><para> To prevent the menu from being displayed you can just connect to this signal and return
true so that the proposed menu will not be shown. </para></listitem> <listitem><para>
To build your own menu, you can remove all items from the proposed menu with
remove_all, add your own items and return
false so that the menu will be shown. You can also ignore the proposed
ContextMenu, build your own GtkMenu
and return
true to prevent the proposed menu from being shown. </para></listitem> <listitem><para
> If you just want the default menu to be shown always, simply don't connect to this signal because showing the proposed context menu is
the default behaviour. </para></listitem> </itemizedlist>
If the signal handler returns false the context menu represented by context_menu
will be shown,
if it return true the context menu will not be shown.
The proposed ContextMenu passed in context_menu
argument is
only valid during the signal emission.
Parameters:
context_menu |
the proposed ContextMenu |
hit_test_result |
Returns:
true to stop other handlers from being invoked for the event. false to propagate the event further. |