> On Oct 26, 2021, at 8:17 AM, Ognyan Moore <[email protected]> wrote:
> 
> Hi Israel, 
> Depending on how easy it is to apply your patches to pyqtgraph within your 
> example, could you try running a git-bisect from the master branch and see if 
> you can zero in on the first problematic commit?

Ok, that proved…interesting.

Up to and including commit 3a3d05b1, all looks fine.
Starting with the next commit - 61f067bf - horizontal zoom dies completely - 
using the scroll wheel results in only the vertical axis zooming in or out 
(unless the mouse is over the horizontal axis).
This is fixed at commit 775f1d62, but with the grid now being an issue, causing 
the zoom to see the mouse at a different x position than expected.

So perhaps commit 61f067bf introduced both issues (no horizontal zoom and the x 
offset of the zoom location), and commit 775f1d62 only fixed one of them? Maybe?

---
Israel Brewster
Software Engineer
Alaska Volcano Observatory 
Geophysical Institute - UAF 
2156 Koyukuk Drive 
Fairbanks AK 99775-7320
Work: 907-474-5172
cell:  907-328-9145

> 
> On Tue, Oct 26, 2021 at 8:47 AM Israel Brewster <[email protected] 
> <mailto:[email protected]>> wrote:
> Well, the minimal example I tried showed proper expected zoom behavior, so it 
> must be something in my code, interacting with some innocuous change in 
> PyQtGraph. Time to start digging!
> ---
> Israel Brewster
> Software Engineer
> Alaska Volcano Observatory 
> Geophysical Institute - UAF 
> 2156 Koyukuk Drive 
> Fairbanks AK 99775-7320
> Work: 907-474-5172
> cell:  907-328-9145
> 
>> On Oct 22, 2021, at 11:49 AM, Ognyan Moore <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Hi Israel,
>> 
>> Good to hear from you.  We had a lot of changes in 0.12.3 (one day we'll do 
>> a release with only a few changes), but I can't think of anything that would 
>> have broken mouse behavior. 
>> 
>> That said, just yesterday, I did merge an issue that does effect zooming, 
>> the issue was noticeable when the grid was displayed; but the issue it 
>> addresses is/was quite old.  If you can, I would try and give `master` 
>> branch a chance, otherwise, if a minimum reproducible example is out of the 
>> question, I would attempt to do some kind of git bisect and see if you can 
>> zero in on the commit that started causing the problem to begin with.
>> 
>> Ogi
>> 
>> On Fri, Oct 22, 2021 at 11:00 AM Israel Brewster <[email protected] 
>> <mailto:[email protected]>> wrote:
>> Just (finally!) got around to upgrading my project to pyqtgraph 0.12.3, and 
>> now rather than zooming around the mouse when using the “scroll wheel” 
>> (two-finger drag on the trackpad) to zoom in/out, it seems to zoom from some 
>> point on the left edge of the graph. Is this a change/issue with the new 
>> version of pyqtgraph, or something due to the many (many!) overrides/tweaks 
>> I have made to the behavior of pyqtgraph throughout my code?
>> ---
>> Israel Brewster
>> Software Engineer
>> Alaska Volcano Observatory 
>> Geophysical Institute - UAF 
>> 2156 Koyukuk Drive 
>> Fairbanks AK 99775-7320
>> Work: 907-474-5172
>> cell:  907-328-9145
>> 
>> 
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