[Kst] [Bug 216740] New: Multiple curve edit does not apply only changed properties!

[Nicolas Brisset]

https://bugs.kde.org/show_bug.cgi?id=216740

           Summary: Multiple curve edit does not apply only changed
                    properties!
           Product: kst
           Version: 2.0.0_devel
          Platform: unspecified
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kst at kde.org
        ReportedBy: nicolas.brisset at eurocopter.com


Version:           2.0.0_devel (using unspecified)
Compiler:          gcc 4.4.1 
OS:                Linux

While demoing kst2 recently I came to a situation where I could no longer see
any curves! I have now been able to identify and reproduce the problem: it is
linked with the changes not applying correctly in edit multiple curves mode. It
was pretty hard to find out what was going on, hopefully it will be easier to
fix! 

To reproduce:
- start kst2 and load two columns from gyrodata.dat in two plots
- in the first plot, double click => edit curve dialog
- click "Edit multiple", select all
- click "Show Points" => first buglet, the density combo is not activated
- click "Show lines", which activates point density (??!?)
- Density: select "High"
- click OK: all curves disappear! Try to get them to show again: not so easy,
and yet the vectors are OK.
- double-click the first (empty) plot: notice that the curve is ignored in
range calculations (checkbox at the bottom)
- uncheck the checkbox => the curve is back
- do the same with each curve, it will work. But unchecking the box with "Edit
multiple" and "select all" does not solve the problem...

It is also possible to get a similar problem more easily:
- start kst2 and load two columns from gyrodata.dat in two plots
- in the first plot, double click => edit curve dialog
- click "Edit multiple", select all
- change the curve color in Appearance, click OK => all curves have the same X
axis vector!

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