change background color of GtkTextView (GTK 3.22) using CSS

Question

I would like to change (on Linux/Debian/Sid/x86-64, GTK 3.22) the default background color (for untagged text) in a GtkTextView (or else its GtkTextBuffer).

This and that answers don't help (are obsolete).

In my bismon program (see this question for details) I tried, on some global extern GtkWidget *commandview_BM; initialized with:

commandview_BM = gtk_text_view_new_with_buffer (commandbuf_BM);
gtk_widget_set_name (commandview_BM, "commandview");

To use

#commandview {
    background-color: seashell;
    font-size: 18px;
    font-family: Inconsolata;
}

in my bismon.css file, but that does not work. Replacing #commandview by #commandview.text or #commandview.view don't change anything.

I would also be happy if some default tag existed in GtkTextBuffer-s, but this does not seem to be the case.

I have (at least) two textviews in the same window (one for commands; another for logging) and I would like them to have different background colors.

Basile Starynkevitch · Accepted Answer · 2017-10-21 10:17:07Z

3

The working syntax in CSS file is with a space to separate the name from the class, so in my case:

#commandview text {
    background-color: seashell;
    font-size: 19px;
    font-family: Inconsolata;
}

answered Oct 21, 2017 at 10:17

Basile Starynkevitch

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1 Comment

José Fonte Over a year ago

check Gtk Inspector. It's a nice tool and permits runtime CSS debugging among other things.

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