Emulator

What steps will reproduce the problem?

1. Start dolphin
2. Do something else on the computer
3. Dolphin interrupts/accepts input when it shouldn't

What is the expected output? What do you see instead?
Not to interrupt and only receive input once focused.

What version of the product are you using? On what operating system?
Any version

I have an app which helps press keys for dolphin if you're on
touchscreen/have no keyboard. However, even though the output is right, it
only triggers the "a" button because left mouse click=a button on dolphin.
If you could "focus" dolphin then this issue wouldn't be an issue XD.