Web lists-archives.com

Re: Tutorial for writing widgets in Gtk3




If you look in the widget_class->draw section

MyButton *button = MY_BUTTON(widget);

Why is this pointer to button created? It is not used!

And where is the cairo_t *cr comming from?

This is a turorial that is not so easy to understand...

/gh

Den 2018-07-26 kl. 08:39, skrev Timm Bäder:
> On 2018-07-26 09:42, Göran Hasse wrote:
>> Hello!
>>
>> I try to write a custom widget in Gtk3. I study the source for other
>> widgets but I find no totorial
>> for how to write a widget in Gtk3. (There was for Gtk2 - but they are
>> not of any use anymore...).
>>
>> Is there no interest in Gtk3 anymore? I find it very hard to find
>> tutorials for Gtk3.
> 
> There's https://wiki.gnome.org/HowDoI/CustomWidgets
> _______________________________________________
> gtk-list mailing list
> gtk-list@xxxxxxxxx
> https://mail.gnome.org/mailman/listinfo/gtk-list

-- 
Göran Hasse
Raditex Control AB
Boo 229
715 91 ODENSBACKEN
http://www.rscada.se
OrgNr: 556611-8773
email: gorhas@xxxxxxxxxx
tel: 019-450105
mob: 070-5530148
Lat:  59.18805083 Long: 15.50300449
URL: http://alturl.com/3e6hf
_______________________________________________
gtk-list mailing list
gtk-list@xxxxxxxxx
https://mail.gnome.org/mailman/listinfo/gtk-list