Summary:
Enable value change using wheel.
(Up, Down key value change will be supported after D4933 dicussing.)
Test Plan: elementary_test efl_ui_spin test sample.
Reviewers: Jaehyun_Cho, jpeg, woohyun
Reviewed By: Jaehyun_Cho
Subscribers: cedric, jpeg
Differential Revision: https://phab.enlightenment.org/D5546
Summary:
https://phab.enlightenment.org/T5900
Creating base class(efl_ui_spin) to support various shape of spinner.
Added button interaction widget efl_ui_spin_button inherited from efl_ui_spin.
Test Plan: Add tests in elementary_test.
Reviewers: Jaehyun_Cho, woohyun, jpeg, singh.amitesh
Subscribers: jenkins, id213sin, cedric, jpeg
Differential Revision: https://phab.enlightenment.org/D5424