https://bugs.kde.org/show_bug.cgi?id=427414
Bug ID: 427414
Summary: --slider dialog needs documentation and usage
instructions
Product: kdialog
Version: 20.08
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: br...@frogmouth.net
Reporter: psychon...@nothingisreal.com
Target Milestone: ---
Almost all of the dialog types offered by KDialog are sufficiently documented,
either in the tutorial at
<https://techbase.kde.org/Development/Tutorials/Shell_Scripting_with_KDE_Dialogs>,
or else in the man page, or else by emitting usage instructions on the console
when called with the wrong number of arguments. The only exception is
--slider, which is mentioned only in the man page, but without enough
information to understand how it should be invoked. And invoking --slider with
only one argument results in a nonsensical slider dialog rather than displaying
usage instructions.
To fix this problem, the following is required:
1. Add a section for --slider to the tutorial (probably as a subsection of
ยง3.7)
2. When --slider is called with fewer than two or more than four arguments,
KDialog should immediately quit with exit status 255 and the following message
should be output:
Syntax: --slider text min_value max_value increment
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