[LV2] [PATCH 3/3] work around bug in gtk_scale_add_mark: scale-marks need to be sorted descending.

[Robin Gareus]

---
 jalv/src/jalv_gtk.c |   19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/jalv/src/jalv_gtk.c b/jalv/src/jalv_gtk.c
index e301e33..1419943 100644
--- a/jalv/src/jalv_gtk.c
+++ b/jalv/src/jalv_gtk.c
@@ -405,6 +405,14 @@ dcmp(gconstpointer a, gconstpointer b)
 	return y < z ? -1 : z < y ? 1 : 0;
 }
 
+static gint
+drcmp(gconstpointer a, gconstpointer b)
+{
+	double y = *(double*)a;
+	double z = *(double*)b;
+	return y < z ? 1 : z < y ? -1 : 0;
+}
+
 static Controller*
 make_controller(GtkSpinButton* spin, GtkWidget* control)
 {
@@ -447,11 +455,11 @@ make_combo(struct Port* port, GHashTable* points)
 }
 
 static void
-add_mark(void* key, void* value, void* scale)
+add_mark(gdouble key, const gchar* value, void* scale)
 {
 	gchar* str = g_markup_printf_escaped("<span font_size=\"small\">%s</span>",
-	                                     (const char*)value);
-	gtk_scale_add_mark(GTK_SCALE(scale), *(double*)key, GTK_POS_TOP, str);
+	                                     value);
+	gtk_scale_add_mark(GTK_SCALE(scale), key, GTK_POS_TOP, g_strdup(str));
 	g_free(str);
 }
 
@@ -488,7 +496,10 @@ make_slider(struct Port* port, GHashTable* points,
 	gtk_range_set_value(GTK_RANGE(scale), port->control);
 	gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), port->control);
 	if (points) {
-		g_hash_table_foreach(points, add_mark, scale);
+		GList* list = g_hash_table_get_keys(points);
+		for (GList* cur = g_list_sort(list, drcmp); cur; cur = cur->next) {
+			add_mark(*(gdouble*)cur->data, g_hash_table_lookup(points, cur->data), scale);
+		}
 	}
 
 	g_signal_connect(
-- 
1.7.10.4