https://bugs.kde.org/show_bug.cgi?id=452581
Bug ID: 452581
Summary: Horizontal Bars style unable to show empty and low
states
Product: plasma-systemmonitor
Version: 5.24.4
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: ksysguard-b...@kde.org
Reporter: twilightinz...@gmail.com
CC: ahiems...@heimr.nl, plasma-b...@kde.org
Target Milestone: ---
Created attachment 148139
--> https://bugs.kde.org/attachment.cgi?id=148139&action=edit
Screenshot of not particularly meaningful horizontal bars.
SUMMARY
I'd like to use the Horizontal Bars style to show my total CPU usage, RAM
usage, and Swap usage. But because of the way the bars are designed to show a
dot with the bar's radius even when the value is zero, I can't get any useful
information from it that way.
If I try tweaking the QML such that it does take zero as a valid value, what
ends up happening is that the left side of the bar has zero radius whenever the
value is less than the radius. So is this actually a QML bug because of the
fact that rectangle radius gets discarded when its width is smaller than its
specified radius?
The only way I can get the bars to show anything meaningful without looking
inconsistent is if I tweak the QML to make their radius zero.
STEPS TO REPRODUCE
1. Create a system monitor widget with horizontal bars style
2. Select sensors that you can reasonably expect to be low to zero, like total
CPU usage percent and Swap usage percent.
OBSERVED RESULT
Values of zero are not meaningfully conveyed; they look more like 10% on a 40px
vertical panel.
EXPECTED RESULT
A legitimately empty bar is shown when the value is zero, and some sort of
small fill is shown for low values.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: KDE Neon 5.24.4
(available in About System)
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.93
Qt Version: 5.15.3
ADDITIONAL INFORMATION
N/A
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