Re: button background color in gtk3

On 08/29/2012 05:17 PM, Carlos Pereira wrote:
Quite often widget colors are just a question of style but sometimes
this is not the case. I can think of medical applications, for example,
where colors can be critical.

In my case, I have a chemical periodic table made with GTK buttons, each
one representing a chemical element, with its default color. Users can
change these chemical element default colors directly from the interface
or from XML config files:

Rewritting an entire CSS file and downloading it everytime users change
the default color of a chemical element looks really depressing... I am
sure button colors can be changed directly from the code in GTK 3??

you can modify bits of the CSS from your code like this (taken from
Bluefish code bftextview.c):

GString *str = g_string_new("");
GtkStyleContext *stc;
GtkCssProvider *cssp = gtk_css_provider_new();
str = g_string_append_printf(str, "GtkTextView.view {background-color:
%s;}", colors);
gtk_css_provider_load_from_data(cssp, str->str, -1, NULL);
stc = gtk_widget_get_style_context(GTK_WIDGET(mywidget));
gtk_style_context_add_provider(stc, GTK_STYLE_PROVIDER(cssp),


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