Re: [gtkmm4] Help on DrawingArea plus Mouse Activity

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Hi Andrew!

Thanks for porting the demo code.  I saw the GTK version earlier but I'm
not familiar on Gtkmm4 API to actually port the GTK version.  I'm still
halfway in porting my code, but I can draw now so I feel like it's better
progress now than without your gtkmm ported version of the GTK demo.

Kjell thanks for the link.  I've always been referring to the developer-old
gtkmm tutorial -- I'm still wondering why it's developer-old -- prolly
cooking something new?

~creek23

On Sun, Jul 10, 2022, 04:29 Kjell Ahlstedt <[email protected]> wrote:

> Den 2022-07-09 kl. 20:02, skrev Mj Mendoza IV via gtkmm-list:
>
>
> I've tried the Cairo-based Clock demo, and adjusted my code to reflect
> needed changes to port to gtkmm4.  Now, I'm currently missing mouse
> activities.
>
> In addition to what Andrew Potter suggested, if you want to track all
> mouse movements, use Gtk::EventControllerMotion.
>
> Just about everything that was done in event signal handlers in gtkmm3 is
> now done with the many subclasses of Gtk::EventController.
>
>
> I've read the gtkmm4 changes section
> <https://developer-old.gnome.org/gtkmm-tutorial/unstable/gtkmm-tutorial.html#changes-gtkmm4>
> of the tutorial (
> https://developer-old.gnome.org/gtkmm-tutorial/unstable/gtkmm-tutorial.html#changes-gtkmm4)
> but content is more of a note than actual information for beginner porters
> like me.
>
> I don't think anyone will ever take the time to write a real migration
> guide from gtkmm3 to gtkmm4.
>
> The documentation at developer-old.gnome.org
> <https://developer-old.gnome.org/gtkmm-tutorial/unstable/gtkmm-tutorial.html#changes-gtkmm4>
> is not updated any more. If you want to see the latest version of the
> gtkmm4 tutorial, look at
> https://gnome.pages.gitlab.gnome.org/gtkmm-documentation.
>
>
>

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<div dir=3D"auto"><div dir=3D"auto">Hi Andrew!</div><div dir=3D"auto"><br><=
/div><div dir=3D"auto">Thanks for porting the demo code.=C2=A0 I saw the GT=
K version earlier but I&#39;m not familiar on Gtkmm4 API to actually port t=
he GTK version.=C2=A0 I&#39;m still halfway in porting my code, but I can d=
raw now so I feel like it&#39;s better progress now than without your gtkmm=
 ported version of the GTK demo.</div><div dir=3D"auto"><br></div><div dir=
=3D"auto">Kjell thanks for the link.=C2=A0 I&#39;ve always been referring t=
o the developer-old gtkmm tutorial -- I&#39;m still wondering why it&#39;s =
developer-old -- prolly cooking something new?</div><div dir=3D"auto"><br><=
/div><div dir=3D"auto">~creek23</div></div><br><div class=3D"gmail_quote"><=
div dir=3D"ltr" class=3D"gmail_attr">On Sun, Jul 10, 2022, 04:29 Kjell Ahls=
tedt &lt;<a href=3D"mailto:[email protected]">[email protected]=
</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:=
0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
 =20
   =20
 =20
  <div>
    <div>Den 2022-07-09 kl. 20:02, skrev Mj
      Mendoza IV via gtkmm-list:<br>
    </div>
    <blockquote type=3D"cite">
     =20
      <div dir=3D"ltr"><br>
        <div>I&#39;ve tried the Cairo-based Clock demo, and adjusted my cod=
e
          to reflect needed changes to port to gtkmm4.=C2=A0 Now, I&#39;m
          currently missing mouse activities.</div>
      </div>
    </blockquote>
    <p>In addition to what Andrew Potter suggested, if you want to track
      all mouse movements, use Gtk::EventControllerMotion.</p>
    <p>Just about everything that was done in event signal handlers in
      gtkmm3 is now done with the many subclasses of
      Gtk::EventController.<br>
    </p>
    <blockquote type=3D"cite">
      <div dir=3D"ltr">
        <div><br>
        </div>
        <div>I&#39;ve read the <a href=3D"https://developer-old.gnome.org/g=
tkmm-tutorial/unstable/gtkmm-tutorial.html#changes-gtkmm4" target=3D"_blank=
" rel=3D"noreferrer">gtkmm4 changes section</a> of the
          tutorial (<a href=3D"https://developer-old.gnome.org/gtkmm-tutori=
al/unstable/gtkmm-tutorial.html#changes-gtkmm4" target=3D"_blank" rel=3D"no=
referrer">https://developer-old.gnome.org/gtkmm-tutorial/unstable/gtkmm-tut=
orial.html#changes-gtkmm4</a>)
          but content is more of a note than actual information for
          beginner porters like me.</div>
      </div>
      <br>
    </blockquote>
    <p>I don&#39;t think anyone will ever take the time to write a real
      migration guide from gtkmm3 to gtkmm4.</p>
    <p>The documentation at <a href=3D"https://developer-old.gnome.org/gtkm=
m-tutorial/unstable/gtkmm-tutorial.html#changes-gtkmm4" target=3D"_blank" r=
el=3D"noreferrer">developer-old.gnome.org</a> is not
      updated any more. If you want to see the latest version of the
      gtkmm4 tutorial, look at
      <a href=3D"https://gnome.pages.gitlab.gnome.org/gtkmm-documentation" =
target=3D"_blank" rel=3D"noreferrer">https://gnome.pages.gitlab.gnome.org/g=
tkmm-documentation</a>.</p>
    <p><br>
    </p>
  </div>

</blockquote></div>

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