Fixed width for label calculated by character length

[serimert]

Godot Version

4.4.1

Question

I want to fix my label width for whatever 10 character long is for given font.
Even label string length is 3 chars, i want it to have 10 character long width. How to achieve that?

I have an utility method like below

func calculate_string_width(_str:String, font_size:float, horizontal_alignment:int = HORIZONTAL_ALIGNMENT_CENTER) -> float:
	return Constants.MAIN_FONT.get_string_size(_str, horizontal_alignment, -1, font_size).x

After changing label text, width is changed even i set the fixed width after that.

[Gass]

but why would you want that if Godot can do that automatically ? it is a built in feature of the Label node

[wchc]

Even label string length is 3 chars, i want it to have 10 character long width

That’s actually impossible to correctly predict a width of an unknown string, unless you’re using a monospaced font like Courier.
See this example below, both of these strings are 10 characters long, but have a vastly different width:

1. iiiiiiiiii
2. wwwwwwwwww

In the monospaced font, both of these would have the same width:

1. iiiiiiiiii
2. wwwwwwwwww

I think you need to pivot your idea to something else. If you gave us a bit more context of your issue, what you’re exactly trying to achieve, including some screenshots and whatnot, maybe we can help you decide the best course of action.

[Gass]

maybe you can achieve it by adjusting this field

and setting the min width and height to 0 (within the layout section)

[serimert]

Sorry why i want this feature, let me show you,


I need this for a countdown label with bordered background. And the width is jiggling, wobbling 3-5 pixel for each frame which is a disturbing look.

[ratrogue]

Either use a monospace font, or make a Label for each character with a fixed width, filling each label with a single character from the string via script.

[Gass]

to skip complexity → have you tried setting the min width to the size which doesn’t wobble ? … basically making the min width the widest possible case.