From 99e31db66ed4be268eb2d9088a6997dee0ecc23e Mon Sep 17 00:00:00 2001
From: "Julien \"_FrnchFrgg_\" RIVAUD" <frnchfrgg@free.fr>
Date: Sat, 20 Aug 2016 16:01:15 +0200
Subject: [PATCH] Invalidate char_pixel_* on possible font change

So that the padding and other elements always correctly depend on the
font instead of the default GTK font (which might have a wildly
different size from the fixed size fonts of Ardour's custom theme).
---
 gtk2_ardour/ardour_button.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gtk2_ardour/ardour_button.cc b/gtk2_ardour/ardour_button.cc
index fbc6defdc1..df6311604a 100644
--- a/gtk2_ardour/ardour_button.cc
+++ b/gtk2_ardour/ardour_button.cc
@@ -965,6 +965,11 @@ ArdourButton::on_style_changed (const RefPtr<Gtk::Style>&)
 {
 	_update_colors = true;
 	CairoWidget::set_dirty ();
+	_char_pixel_width = 0;
+	_char_pixel_height = 0;
+	if (is_realized()) {
+		queue_resize ();
+	}
 }
 
 void
-- 
2.30.2