2 second lag while switching between files by clicking them.

Question

Created Sep ’17

Replies 3

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I'm using Xcode9 GM and everytime a click on a swift or .m/.h file in the project, it takes up to 2-3 seconds to open the file.

It's very annoying since you usually switch between files very often.

Curiosly, it does not happen if I open the file by CMD+SHIFT+O or if I swich between .m and .h by CMD+OPTION+ARROW_UP

It didn't happened before GM also...

Do you know what could it causing it?

Answered by rpctokbox in 263466022

Ok, problem solved.

It seems that the mouse Double-Click Speed you set on Preferences has a direct impact on the problem.

https://imgur.com/tRY3724

Somehow, if the Double-Click speed is slow, then Xcode "waits" to open a file when it is clicked in the project view. I suppose that Xcode waits when the click is done that time to see if it is a double click or a single click. I fixed the problem moving the setting to "Fast"

It's very weird since no other editor I use (VScode, atom, sublime..) works this way...

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Answer 1

rpctokbox OP

Sep ’17

Accepted Answer

Ok, problem solved.

It seems that the mouse Double-Click Speed you set on Preferences has a direct impact on the problem.

https://imgur.com/tRY3724

Somehow, if the Double-Click speed is slow, then Xcode "waits" to open a file when it is clicked in the project view. I suppose that Xcode waits when the click is done that time to see if it is a double click or a single click. I fixed the problem moving the setting to "Fast"

It's very weird since no other editor I use (VScode, atom, sublime..) works this way...

1

Answer 2

Claude31 OP

Sep ’17

That's logic. If system wants to be able to detect double click, it has to wait for the time set for double click befor considering it was in fact a single click ! The longer the longest delay in single click.

0

Answer 3

Fattie OP

Aug ’24

Thanks for posting the great tip

NOTE, another important tip,

prefs -> navigation - >

take care for the four options "navigation style", "navigation" etc.

The different combinations used there drastically affect file-change time, in conjunction with what OP said.

0