[gtk/gtk-3-24: 1/2] Add CSS letter spacing to textview

[Matthias Clasen <matthiasc src gnome org>]

commit 70ef77a4c2732f4b604f6f0371c88736f5acc0e6
Author: Melroy van den Berg <melroy melroy org>
Date:   Tue Dec 14 17:04:38 2021 +0100

    Add CSS letter spacing to textview

 gtk/gtktextview.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c
index 6b26a48798..9651c4a21f 100644
--- a/gtk/gtktextview.c
+++ b/gtk/gtktextview.c
@@ -30,6 +30,7 @@
 #define GTK_TEXT_USE_INTERNAL_UNSUPPORTED_API
 #include "gtkadjustmentprivate.h"
 #include "gtkbindings.h"
+#include "gtkcssnumbervalueprivate.h"
 #include "gtkdnd.h"
 #include "gtkdebug.h"
 #include "gtkintl.h"
@@ -7973,10 +7974,12 @@ gtk_text_view_set_attributes_from_style (GtkTextView        *text_view,
                                          GtkTextAttributes  *values)
 {
   GtkStyleContext *context;
+  GtkCssStyle *style;
   GdkRGBA bg_color, fg_color;
   GtkStateFlags state;
 
   context = gtk_widget_get_style_context (GTK_WIDGET (text_view));
+  style = gtk_css_node_get_style (gtk_text_view_get_text_node (text_view));
   state = gtk_style_context_get_state (context);
 
 G_GNUC_BEGIN_IGNORE_DEPRECATIONS
@@ -7995,7 +7998,9 @@ G_GNUC_END_IGNORE_DEPRECATIONS
   if (values->font)
     pango_font_description_free (values->font);
 
-  gtk_style_context_get (context, state, "font", &values->font, NULL);
+  gtk_style_context_get (context, state, GTK_STYLE_PROPERTY_FONT, &values->font, NULL);
+
+  values->letter_spacing = _gtk_css_number_value_get (gtk_css_style_get_value (style, 
GTK_CSS_PROPERTY_LETTER_SPACING), 100) * PANGO_SCALE;
 }
 
 static void