[patch #6506] Use watch cursor for long operations in text data import assistant

[Ben Pfaff]

Follow-up Comment #1, patch #6506 (project pspp):

John wrote in pspp-dev:
> Upon applying this patch, I discover that my problem isn't caused by
> what I had thought.  What actually is happening is this:
> 
> When the "Choose Separators" page is displayed for the first time
> after opening the assistant, the Forward button is unresponsive (at
> least to click events) until after the mouse cursor has been moved off
> the button, and back onto it  (typically the mouse cursor is over the
> button when the page appears, because it coincides with the position
> of the previous cursor). 
> 
> So if I try to just click through the Forward buttons, I get stuck at
> Choose Separators.  I have to wiggle the mouse in order to continue.  

Hmm.  OK.  Here's a patch that fixes that.  I couldn't figure out why
this behavior happens, so it just drops the requirement to visit every
page in the assistant.  The page that needs to get visited is the
final page, which is all that the assistant lets you skip to, so the
comment that gets deleted can be ignored.

I'm also attaching a gtksheet bug fix.  For whatever reason, clicking
the Last button triggered this GTK-critical that I hadn't seen
before.  Dunno why.


(file #15630, file #15631)
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Additional Item Attachment:

File name: text-import-fix-next-button.patch Size:1 KB
File name: gtksheet-fix-unrealize-critical.patch Size:0 KB


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