#3814: Pad truncated Multi-Column characters
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Reporter: flatcap | Owner: mutt-dev
Type: defect | Status: new
Priority: minor | Milestone:
Component: display | Version: 1.5.24
Keywords: |
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'''mutt_format_string()''' takes a parameter 'max_width' to limit the
number of screen-columns.
If it is given a string containing a 2-column character, e.g. '本' and a
max_width of 1, then the returned string will be empty. This breaks the
alignment in the index panel (and sidebar).
The correct action should be to pad the string with a single 1-column
space.
'''Example of "Enough Space":'''
index_format='%10s<<<'
{{{
Subject 10<<<
Subject 军<<<
Subject 20<<<
}}}
(Allowing for some font anomolies, the <<<'s are aligned
'''Example of "Too little space":'''
index_format='%9s<<<'
{{{
Subject 1<<<
Subject <<<
Subject 2<<<
}}}
Now, the <<<'s are not aligned, misaligning the rest of the index line.
'''Example of "Expected output":'''
{{{
Subject 1<<<
Subject <<<
Subject 2<<<
}}}
Strings are truncated to the expected width.
The attached patch fixes the problem.
If we run out of space for the next character, BUT there is still some
space, add 1 space character.
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Ticket URL: <https://dev.mutt.org/trac/ticket/3814>
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