Implement RangeDebouncer

This object allows to easily listen GtkRange value when drag
was finished. This was allowed in GTK2 with "update-policy" attribute
set to "discontinuous" which was removed in GTK3.

1 files changed, 44 insertions, 0 deletions

diff --git a/settings-dialogs/range-debouncer.h b/settings-dialogs/range-debouncer.h
new file mode 100644
index 000000000..4db04b4c2
--- /dev/null
+++ b/settings-dialogs/range-debouncer.h
@@ -0,0 +1,44 @@
+/* vi:set sw=2 sts=2 ts=2 et ai tw=100: */
+/*-
+ * Copyright (c) 2017 Viktor Odintsev <zakhams@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#ifndef __RANGE_DEBOUNCER_H__
+#define __RANGE_DEBOUNCER_H__
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+typedef struct _RangeDebouncerClass      RangeDebouncerClass;
+typedef struct _RangeDebouncer           RangeDebouncer;
+
+#define TYPE_RANGE_DEBOUNCER             (range_debouncer_get_type ())
+#define RANGE_DEBOUNCER(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_RANGE_DEBOUNCER, RangeDebouncer))
+#define RANGE_DEBOUNCER_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass),  TYPE_RANGE_DEBOUNCER, RangeDebouncerClass))
+#define IS_RANGE_DEBOUNCER(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_RANGE_DEBOUNCER))
+#define IS_RANGE_DEBOUNCER_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass),  TYPE_RANGE_DEBOUNCER))
+#define RANGE_DEBOUNCER_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj),  TYPE_RANGE_DEBOUNCER, RangeDebouncerClass))
+
+GType                     range_debouncer_get_type                 (void)                           G_GNUC_CONST;
+
+RangeDebouncer *          range_debouncer_bind                     (GtkRange          *range);
+
+G_END_DECLS
+
+#endif /* __RANGE_DEBOUNCER_H__ */