#13 mixedform text elements with spaces

[Dimitris Zlatanidis]

Hi,

When I try to pass a string with some spaces into the text method and display all the spaces trimmed to one, for example:

text = ' Hello World!'
print(text)
' Hello World!'

But:

self.d.mixedform(text, self.elements, self.height, self.width)
' Hello World!'

There is a way to keep the spaces?

Cheers

[Dimitris Zlatanidis]

Also here all my spaces from the post are gone, so:

'_' = space

text = '_ Hello World!'
print(text)
' ___Hello World!'

But:

self.d.mixedform(text, self.elements, self.height, self.width)
'_Hello World!'

There is a way to keep the spaces?

[Florent Rougon]

Hi,

This is due to a feature of the dialog program. Please always check its man page before reporting bugs:

--no-collapse
       Normally dialog converts tabs to  spaces  and  reduces  multiple
       spaces  to  a  single  space  for  text  which is displayed in a
       message boxes, etc.  Use this option to  disable  that  feature.
       Note   that   dialog  will  still  wrap  text,  subject  to  the
       “--cr-wrap” and “--trim” options.

You can pass this option either globally via Dialog.add_persistent_args() or locally using no_collapse=True:

#! /usr/bin/env python3

from dialog import Dialog

d = Dialog(dialog="dialog")
d.add_persistent_args(["--no-nl-expand", "--no-collapse"])

text = '     Hello World!'
elements = [
            ("Foo", 1, 1, "175", 1, 20, 4, 3, 0x0),
            ("Bar", 2, 1, "85", 2, 20, 4, 3, 0x0),
]
d.mixedform(text, elements, 20, 70)
# d.mixedform(text, elements, 20, 70, no_collapse=True)

Also, a self-contained minimal example that shows the problem (like this one without the "--no-collapse" nor no_collapse=True since you didn't know about them) would have saved me some time. :-)

Regards

[Dimitris Zlatanidis]

Thanks, @frougon this works fine now!