[Solved] Dialogue font scaling slider in preferences menu?

[Another_Tom]

Hi guys, I don't know if this question has already been asked and I apologize if it has.
I want to be able to increase/decrease the font size of the dialog box with a slider in the Preferences menu, but I have no idea how to do it, since the fontsize is set with "define" and is therefore a constant non-variable.
If you press Shift+A in the game an "Accesibility Menu" appears and there is a corresponding slider to scale the text, I would like to have this option in the Preferences, because it makes much more sense there, imho.

Is this possible? If yes, how do I do that?

[_ticlock_]

Is this possible? If yes, how do I do that?

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bar value Preference("font size")

[Another_Tom]

Thank you very much for your reply, _ticlock! I am on vacation this weekend, will test it in the following days and report later. I can't believe it's that simple (Preference("font size")) but am happy if it is!

[recreation]

It's sadly not that simple if you don't want the whole UI to scale with the font.
A better solution is to make your own slider instead.

Since I was searching for something like that myself a while ago (and it took a lot of googling to find something that simple):
in screens.rpy add:

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default persistent.textsize = 45 #put somewhere at the beginning of the script

	#and this goes into the screen preferences() with all the other bars:
	bar value FieldValue(persistent, "textsize", 31.0, offset=30, style="slider") #higher offset means smaller text, the 31 is is max text size here

in gui.rpy replace the line:

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define gui.text_size = 45 #or whatever the original font size was

with:

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define gui.text_size = persistent.text_size

edit: almost forgot:
you also need to add the variable to the dialogue:
replace:

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text what id "what"

with:

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text what id "what" size persistent.textsize

in: screen say(who, what)

[Another_Tom]

It's sadly not that simple if you don't want the whole UI to scale with the font.
A better solution is to make your own slider instead.

Thank you very much! That worked and is much better than scaling the whole UI.