Re: Migrate to gtk3.0

[Rúben Rodrigues <ruben_gr live com pt>]

Thanks Mr. Bassi!

Yes, i'm using GtkPlot! SO, I think I'm unable to migrate this to gtk3 
because of graphs. SOmeone who knows something about this charts? 
http://madebyryan.blogspot.pt/2011/08/smooth-curves-for-gtk-chart-component.html


Thanks.


On 10-03-2017 15:26, Emmanuele Bassi wrote:
> On 10 March 2017 at 15:11, Rúben Rodrigues <ruben_gr live com pt> wrote:
> > Hi,
> >
> > i'm trying to migrate from gtk2.0 to gtk3.0 and i'm following gnome
> > tutorial
> > https://developer.gnome.org/gtk3/stable/gtk-migrating-2-to-3.html#id-1.6.3.3
> >
> > When i put
> >
> > make CFLAGS+="-DGDK_DISABLE_DEPRECATED -DGTK_DISABLE_DEPRECATED"
> >
> > to don't use deprecated symbols I get this  errors:
> >
> > /opt/x-tools/rootfs/rpi/usr/include/gtkextra-3.0/gtkextra/gtkdirtree.h:54:3:
> > error: unknown type name ‘GtkCTree’
> >      GtkCTree ctree;
> >      ^
> > /opt/x-tools/rootfs/rpi/usr/include/gtkextra-3.0/gtkextra/gtkdirtree.h:73:3:
> > error: unknown type name ‘GtkCTreeClass’
> >      GtkCTreeClass parent_class;
> >
> > I put CFLAGS in Eclipse, Project proprieties -> Cross GCC Compiler ->
> > Preprocessor -> Defined Symbols (-D)
> >
> > ->GTK_DISABLE_SINGLE_INCLUDES
> >
> > ->GTK_DISABLE_DEPRECATED
> >
> > ->GDK_DISABLE_DEPRECATED
> >
> > I can't use gtkextra-3.0 for gtk3 ??
> If GtkExtra is using GtkCTree I would contend that you should not be
> using GtkExtra at all. The library looks like a collection of widgets
> for GTK+ 1.2.
>
> As far as I know, GtkExtra does not have a GTK+ 3.0 compatible version.
>
> Which component of GtkExtra are you using? Outside of GtkPlot, 99% of
> that library is redundant with the GTK+ 2.x API itself:
>
>    - GtkIconList: replaced by GtkIconView in GTK+ 2.x and by GtkFlowBox
> in GTK+ 3.x, and the idea of using XPM in 2017 is terrible
>    - GtkDirTree, GtkFileList: replaced by GtkFileChooserWidget
>    - GtkIconFileSelection: I struggle very hard to figure out a case
> that is not relevant outside of 1997 style UIs, but a GtkIconView is
> perfectly enough
>    - GtkComboBox: part of GTK+ itself
>    - GtkColorCombo: replaced by GtkColorChooser
>    - GtkCheckItem: I don't even want to know
>
> The library itself is a staggering namespace violation of GTK's own
> API namespace, but I guess it's too late to fix that.
>
> Looking at the code it even seems somebody is still maintaining this
> library! Maybe you could just extract the GtkPlot code and include it
> into your own application. Of course, that can only happen if the
> license of your application is licensed under the LGPL v2.1 or GPL v2
> or later licenses.
>
> Ciao,
>   Emmanuele.