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[Octave-bug-tracker] [bug #52398] Qt toolkit plot loses track of axes pr

From: Rik
Subject: [Octave-bug-tracker] [bug #52398] Qt toolkit plot loses track of axes proportion when containing window is shrunk small
Date: Tue, 18 Dec 2018 14:58:59 -0500 (EST)
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36 Edge/15.15063

Follow-up Comment #4, bug #52398 (project octave):

@Dan: I agree, the zoom function with the Qt toolkit is laggy when compared to
the FLTK toolkit.

The second part of your response can definitely be improved.  There is a
callback routine that handles mouse interactions and I think it would be a
smallish change to grab the mouse coordinates and stick them in to the call to
zoom.  This works pretty well for the FLTK toolkit where you can
right-click-hold, select a region, and then it zooms on the region. 
Similarly, when you do a left click zoom in Qt it should do a zoom centered
around the point you are clicking.


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