[gnome-builder/wip/gtk4-port] plugins/debuggerui: style address ranges nicer

[Christian Hergert <chergert src gnome org>]

commit bbe192cbb5c1b7739e96dd0102c4c0e82cf46d83
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jun 15 08:36:30 2022 -0700

    plugins/debuggerui: style address ranges nicer
    
    We really should convert these to use listview at some point.

 src/plugins/debuggerui/ide-debugger-libraries-view.c | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/src/plugins/debuggerui/ide-debugger-libraries-view.c 
b/src/plugins/debuggerui/ide-debugger-libraries-view.c
index 44c80c806..79c421122 100644
--- a/src/plugins/debuggerui/ide-debugger-libraries-view.c
+++ b/src/plugins/debuggerui/ide-debugger-libraries-view.c
@@ -287,8 +287,17 @@ ide_debugger_libraries_view_class_init (IdeDebuggerLibrariesViewClass *klass)
 static void
 ide_debugger_libraries_view_init (IdeDebuggerLibrariesView *self)
 {
+  g_autoptr(PangoAttrList) tt_attrs = NULL;
+
   gtk_widget_init_template (GTK_WIDGET (self));
 
+  tt_attrs = pango_attr_list_new ();
+  pango_attr_list_insert (tt_attrs, pango_attr_family_new ("Monospace"));
+  pango_attr_list_insert (tt_attrs, pango_attr_scale_new (0.83333));
+  g_object_set (self->range_cell,
+                "attributes", tt_attrs,
+                NULL);
+
   self->debugger_signals = ide_signal_group_new (IDE_TYPE_DEBUGGER);
 
   g_signal_connect_swapped (self->debugger_signals,