[gnome-video-arcade] main: Update progressbar hack to use CSS properties.

[Matthew Barnes <mbarnes src gnome org>]

commit 1c26ed997bdaef8a045a20286ccb0bfea3c87b3b
Author: Matthew Barnes <mbarnes fedoraproject org>
Date:   Thu Nov 9 12:26:56 2017 -0500

    main: Update progressbar hack to use CSS properties.
    
    The style property I was overriding before got deprecated.

 src/main.c |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)
---
diff --git a/src/main.c b/src/main.c
index 380a6b4..620f873 100644
--- a/src/main.c
+++ b/src/main.c
@@ -323,10 +323,15 @@ tweak_css (gpointer unused)
 
         gtk_widget_get_allocation (GVA_WIDGET_MAIN_STATUSBAR, &allocation);
 
+        /* XXX Slim down the progress bar slightly. Should probably be
+         *     based on CSS properties, but just eyeballing it for now. */
+        if (allocation.height > 4)
+                allocation.height -= 4;
+
         css_data = g_strdup_printf (
-                "GtkProgressBar { "
-                "-GtkProgressBar-min-horizontal-bar-height: %u;"
-                " }",
+                "progressbar.horizontal trough, "
+                "progressbar.horizontal progress "
+                "{ min-height: %upx; }",
                 allocation.height);
 
         provider = gtk_css_provider_new ();