[Octave-bug-tracker] [bug #44302] Qt mouse wheel zoom direction should be reversed

[Rik]

URL:
  <http://savannah.gnu.org/bugs/?44302>

                 Summary: Qt mouse wheel zoom direction should be reversed
                 Project: GNU Octave
            Submitted by: rik5
            Submitted on: Wed 18 Feb 2015 08:54:28 PM PST
                Category: Plotting with OpenGL
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Feature Request
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

The mouse wheel zoom direction seems backwards to most other programs.  All of
the following use mouse wheel up to zoom IN.

gnuplot: Shift + Mousewheel Up
FLTK: Mousewheel Up
GIMP: Shift + Mousewheel Up
Inkscape: Shift + Mousewheel Up

Currently with the Qt graphics toolkit and the mode set to zoom, Mousewheel Up
causes a zoom OUT.

Also, the zoom percentage, at 50%, is way to large.  The 5% that FLTK
currently uses is about right.  Is this number configurable in some way?




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