[Octave-bug-tracker] [bug #53410] Variable Editor: Title bar doesn't highlight according to focus rules

[Dan Sebald]

Follow-up Comment #8, bug #53410 (project octave):

Yes, I think this can be closed.  Focus behavior (exactly when and how) looks
to be something more dependent on the Window Manager, as opposed to Qt
defining how focus events take place.  I noticed this when testing the code
for Bug #53276.  On KDE/Plasma it seemed a focus took place when drag-and-drop
moved across the boundary of some QDockWidgets inside the main GUI, but that
didn't happen on Mint/Cinnamon.  So, it wouldn't surprise me if this is
slightly different on different systems.

However, I can say that no other octave_dock_widget derived feature alters the
focus policy to NoFocus.  So, these changes internally make the
variable_editor consistent with the rest.

At the time I wasn't aware there was a title highlighting because I had that
feature turned off in my Preferences.  I was thinking along the lines of the
tab order.  As Torsten noted, he was first using tab to get to the
variable_editor (as opposed to clicking on the title bar or main window
border).  My thought was to take the variable_editor parent window out of the
tab-chain because so often when I tab around something on the web, once in a
while the tab seems to go somewhere invisible for a few tabs--the shorter the
tab chain, the better.

Anyway, I think I'll leave consistency of title bar behavior to Torsten if
there are further changes needed.  As a feature request, I'm curious if a
transparent (no-focus) and standard-highlight (focus) are possible, but it
isn't that essential.  I suspect that users will eventually have suggestions
of how highlight could be improved.

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