Re: Font selection panel as part of notebook

[Igor Korot <ikorot01 gmail com>]

Eric,

On Sun, Sep 24, 2017 at 1:47 PM, Igor Korot <ikorot01 gmail com> wrote:
> Eric,
>
> On Sun, Sep 24, 2017 at 1:51 AM, Igor Korot <ikorot01 gmail com> wrote:
> > Eric,
> >
> > On Sun, Sep 24, 2017 at 12:33 AM,  <cecashon aol com> wrote:
> > > When I test it out it looks like the font selection widget doesn't work very
> > > well in GTK3.
> > >
> > > Not quite sure how you have it setup for GTK2 and what information you are
> > > using to activate the apply button. The GValue that I get returned is a
> > > PangoFcFamily*. I don't think this will help unless you pull in private data
> > > from Pango. You don't like "The quick brown fox..."?
> >
> > This is what I see on the Terminal:
> >
> > igor@IgorDellGentoo ~ $ ./fontsel
> > Cursor Changed
> > 43
> > ((PangoFcFamily*) 0xba5a40)
> > Cursor Changed
> > 43
> > ((PangoFcFamily*) 0xba5a40)
> > Cursor Changed
> > 43
> > ((PangoFcFamily*) 0xba5a40)
> > Cursor Changed
> > 43
> > ((PangoFcFamily*) 0xba5a40)
> > Cursor Changed
> > 44
> > ((PangoFcFamily*) 0xba5a80)
> >
> > It initially selects "Sans" and then I select "Serif".
> >
> > I'm testing with GTK+2.24 on Gentoo Linux.
>
> I was calling "g_value_get_string( &value )" and this function failed.
> That's why I did see
> an empty string.
>
> I didn't look at the GTK+ sources but it looks like the value
> retrieved is just an address
> of the string and not the string itself.
>
> I do have a workaround. I didn't test it yet, but I'd prefer to get
> this info this way.
>
> Is there anything else?

I think I will just create a generic tab that will mimic the behaviour.
The reason being - I don't have access to the "Style" list box.

Now the only thing left is find what styles are available for a specific
font name? Is this info available on the PangoFont?

Thank you.

> Thank you.
>
> > Thank you.
> >
> > > Eric
> > >
> > > /*
> > >    gcc -Wall font_selection1.c -o font_selection1 `pkg-config --cflags
> > > --libs gtk+-3.0`
> > >    gcc -Wall font_selection1.c -o font_selection1 `pkg-config --cflags
> > > --libs gtk+-2.0`
> > >    Tested with GTK3.18 on Ubuntu16.04
> > > */
> > >
> > > #include<gtk/gtk.h>
> > >
> > > static void font_name_change(GtkTreeView *view, gpointer user_data)
> > >   {
> > >     g_print("Cursor Changed\n");
> > >     GtkTreeIter iter;
> > >     GValue value=G_VALUE_INIT;
> > >     GList *selRows = NULL;
> > >     GtkTreeSelection *sel = gtk_tree_view_get_selection( view );
> > >     GtkTreeModel *model = gtk_tree_view_get_model( view );
> > >     selRows = gtk_tree_selection_get_selected_rows( sel, &model );
> > >     if(selRows!=NULL)
> > >       {
> > >         gchar *string1=gtk_tree_path_to_string((GtkTreePath
> > > *)selRows[0].data);
> > >         g_print("%s\n", string1);
> > >         g_free(string1);
> > >         if(gtk_tree_model_get_iter( model, &iter, (GtkTreePath
> > > *)selRows[0].data ))
> > >           {
> > >             gtk_tree_model_get_value( model, &iter, 0, &value );
> > >             gchar *string2=g_strdup_value_contents(&value);
> > >             g_print("%s\n", string2);
> > >             g_free(string2);
> > >           }
> > >         else
> > >           {
> > >             g_print("Need a valid iter.\n");
> > >           }
> > >       }
> > >    else
> > >       {
> > >         g_print("No list.\n");
> > >       }
> > >
> > >    g_list_free_full(selRows, (GDestroyNotify) gtk_tree_path_free);
> > >
> > >   }
> > > int main(int argc, char *argv[])
> > >   {
> > >     gtk_init (&argc, &argv);
> > >
> > >     GtkWidget *window=gtk_window_new (GTK_WINDOW_TOPLEVEL);
> > >     gtk_window_set_title(GTK_WINDOW(window), "Font Selecton");
> > >     gtk_window_set_default_size(GTK_WINDOW(window), 400, 400);
> > >     gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
> > >     g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
> > >
> > >     G_GNUC_BEGIN_IGNORE_DEPRECATIONS
> > >     GtkWidget *m_fontPanel=gtk_font_selection_new();
> > >     GtkWidget *names = gtk_font_selection_get_family_list((GtkFontSelection
> > > *) m_fontPanel );
> > >     //For GTK3.
> > >     gtk_tree_view_set_activate_on_single_click(GTK_TREE_VIEW(names), TRUE);
> > >     //GtkWidget *sizes = gtk_font_selection_get_size_entry((GtkFontSelection
> > > *) m_fontPanel );
> > >     g_signal_connect( names, "cursor-changed", G_CALLBACK(font_name_change),
> > > NULL );
> > >     G_GNUC_END_IGNORE_DEPRECATIONS
> > >
> > >     gtk_container_add(GTK_CONTAINER(window), m_fontPanel);
> > >
> > >     gtk_widget_show_all(window);
> > >
> > >     gtk_main();
> > >
> > >     return 0;
> > >   }