Wiki page sandbox_gadgets.md changed with summary [] by Stephen M Houston
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@ -104,6 +104,8 @@ Gadget applications can call the following smart callbacks on their main window
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You can call actions you set up via the ``evas_object_smart_callback_call(application_window, action, action_data)`` function.
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For more advanced purposes beyond the scope of this gadget introduction, it is worth noting that you can set an ecore event handler for ``ECORE_EVENT_SIGNAL_USER`` and the handler will be called when the user requests the gadget be removed. Inside of the handler, the user number will be equal to 2 if the user requested the gadget be removed.
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For the purpose of the Hello World gadget, a label detailing the anchor position and orientation of the gadget can be displayed using the following code:
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```c
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