[kst] [Bug 394742] New: Shared axis plot x-zoom does not work if tied with third plot

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=394742

            Bug ID: 394742
           Summary: Shared axis plot x-zoom does not work if tied with
                    third plot
           Product: kst
           Version: 2.0.8
          Platform: MS Windows
                OS: MS Windows
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: plotting
          Assignee: kst at kde.org
          Reporter: manumail at hotmail.de
  Target Milestone: ---

What I did:
- Create three plots A, B, C, and put two of them in a shared axis box (A, B)
- Tie the x-zoom for all three plots (Ctrl-t)
- Click on plot C to select it, then zomm right (push arrow right key)

What I expected to happen:
- All three plots should shift synchronously

What happened instead:
- While C shifts as desired, the plots A, B, with shared Axis, get shifted
twice. 

I looked at the code, and found the problem dissapears, when I delete the
following lines in method void ZoomCommand::redo():
foreach (ViewItem* item, _viewItems) {
  applyZoomTo(item, tiedX, tiedY);
}
Or equally, if I delete following from method ZoomCommand::ZoomCommand(PlotItem
*item, const QString &text, bool forced):
_viewItems << plotItem->sharedAxisBox();


Possibly easy to fix, because_viewItems is not used in other locations. But I'm
still not familiar enough with the code.

Manuel

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