[Gambas-user] no MouseMove() event on GTK

[Bruce Steers]

On Tue, 21 Dec 2021 at 20:02, Benoît Minisini <g4mba5 at gmail.com> wrote:

> Le 20/12/2021 à 17:34, Bruce Steers a écrit :
> > Hi folks.
> >
> > Can't figure this one out...
> >
> > I've been working on a filemanager with a redesigned IconView like
> control.
> > Hit a roadblock though where my control will not fire the
> > View_MouseMove() event with GTK.
> > it's firing View_Draw() as the background image shows from there.
> >
> > on qt i can hold left mouse and drag-select multiple icons (the current
> > bit i've been working on) tried on gtk and discovered MouseMove event
> > not happening :(
> >
> > on QT it's working as expected but not on either GTKs :(
> >
> > Any clues why this might be?
> > Many thanks
> > BruceS
> >
>
> The GTK+ component bug should have been fixed in the last commits.
>
> The bug was in the Proxy property, that didn't behave the same way in
> GTK+ components.
>
> There are still visible differences in your program: with QT5, the icons
> refresh one by one, with GTK+3 in one shot. Something to study more...
>
> It's useless to set the Proxy property after having set the _Container
> property with the same control. The _Container property already does the
> job (as logically, the real container of your UserContainer should be
> its proxy).
>
> I suggest two things for your program:
>
> - Do not use Picture, use Image everywhere for drawing your icons and
> your backgrounds.
>
> - Paint.TrimText() and Paint.RichTrimText() are very slow. Check that
> with the profiler, and embed these functions into a cache to avoir heavy
> computations at each icon refresh.
>
> Regards,
>
> --
> Benoît Minisini
>

Many thanks Benoit for everything :)

BruceS
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