lvhuihui1988

WIP:add a new widget called ReadbackButton.

2

…on in EDM that has two PV properties. One is Control PV and the other is Readback PV. In edm, the button widget has two PV properties. One is Control...

MNT:add toggle function for PushButton and show different texts when …

2

…pressed and released.

**What's the problem this feature will solve?** We need the switch action in our work, e.g. the first time we press the button, the pv changes to '1' , and...