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Keyboard focus on OSX not following the pointer

While trackpad/mouse input correctly follows the pointer on the screen (e.g. when the cursor is on a viewport its input control this same viewport) the keyboard focus does not follow as well (e.g. if you click on the content browser, and then move the cursor on the viewport, the cursor controls the viewport, but the keyboard input [eg WASD] is still directed to the content browser)

Product Version: Not Selected
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asked May 29 '14 at 11:12 PM in Bug Reports

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Hey devel.bmad,

I don't see this behavior. When I click in the Search bar of the Content Browser, then move the cursor to the Viewport, one of two things happen:

  1. I don't click anywhere, and focus is retained in the Search bar (as intended), or

  2. I click the mouse anywhere in the level, and keyboard focus follows (I can use W, E, and R to change the widget, for example).

Are you seeing something different? If so, would you mind giving me some exact reproduction steps? Thanks!

Ben Halliday

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answered May 30 '14 at 04:28 PM

avatar image devel.bmad May 30 '14 at 06:27 PM

Hi Ben, no, I confirm the current behaviour is the one you describe, but it is kind of awkward (e.g. if you click anywhere in the view you always happen to select something unwillingly). Plus, dragging the viewport with 2 fingers on the trackpad is equivalent to LMB, isn't it? Isn't this supposed to move the focus too? May this problem be relevant only when using the trackpad instead of the mouse?

avatar image Ben Halliday STAFF May 30 '14 at 07:03 PM

If you click and hold LMB in the Viewport, you can navigate around without selecting an actor in the scene. When you click LMB without holding, it selects whatever actor your cursor was over, and that's intentional behavior consistent with the PC version. You can click the Eye icon in the Scene Outliner to make any actor invisible and thus not clickable, if you want those not to be selected when clicking in the Viewport.

Dragging with 2 fingers is equivalent to holding and moving with RMB on the PC and Mac, but it does not move focus. I'll check with the Mac developers and see if that's something they want to change; it's possible they just didn't realize that was happening. Thanks for the feedback!

avatar image devel.bmad Jul 02 '14 at 09:46 PM

Hi Ben, any update on the issue? was it possible to correct the problem?

avatar image Ben Halliday STAFF Jul 02 '14 at 10:08 PM

Hey devel,

This has been fixed in our internal build, and will probably be released in 4.3. Dragging with 2 fingers in the viewport will switch focus after the update. You will still need to switch focus before WASD controls will work in the viewport, but that's expected behavior.

avatar image devel.bmad Jul 08 '16 at 11:49 AM

Hi Ben, this bug has been fixed in the past but is back now (4.12.4) Could you please check the regression?

avatar image Steve Hardister ♦♦ STAFF Jul 11 '16 at 06:14 PM

Hi devel.bemad,

I am not able to recreate this behavior in UE4.12.5 -specifically "selecting something unwilling." I am currently able to mouse over the Viewport without selecting any asset and navigate the scene. (Clicking in the Viewport will select the Sky Sphere in the background, however.)

Please test this, and if the behavior you previously reported still exists, please describe what you are still experiencing... I can also use WASD keys if I have two fingers on the track pad (when cursor is in the Viewport.)


Steve H.

avatar image devel.bmad Jul 11 '16 at 09:24 PM

Thank you, tried now and cannot replicate the problem, I will follow up if I find a deterministic way to cause it.

avatar image devel.bmad May 31 '14 at 01:13 AM

Thank you very much Ben! I think that if you are already acting on the viewport dragging the view with the mouse it is pretty natural to think that also the keyboard input goes to the same viewport (this is in particular useful for WASD navigation, that when not using a mouse is my main way to move around)

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