1 files changed, 40 insertions, 0 deletions
diff --git a/src/ui_input.c b/src/ui_input.c
new file mode 100644
index 0000000..1de5e4e
--- /dev/null
+++ b/src/ui_input.c
@@ -0,0 +1,40 @@
+/*
+ * functions, callbacks and data types for user input
+ *
+ * Copyright (c) 2015 Ultimaker B.V.
+ * Author: Olliver Schinagl <o.schinagl@ultimaker.com>
+ *
+ * SPDX-License-Identifier:	AGPL-3.0+
+ */
+
+#include <Ecore.h>
+#include <Elementary.h>
+#include <Evas.h>
+
+#include "ui_input.h"
+
+int INPUT_MOUSE_WHEEL_UP = 0; /* For custom ecore_event handling */
+int INPUT_MOUSE_WHEEL_DOWN = 0; /* For custom ecore_event handling */
+
+/* Function to make the Z-axis of any wheel focus the next/previous focusable widget */
+void input_mouse_wheel_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info)
+{
+	Evas_Event_Mouse_Wheel *ev = event_info;
+	Ecore_Event *event = NULL;
+
+	if (ev->z > 0) {
+		elm_object_focus_next((Evas_Object *)data, ELM_FOCUS_NEXT);
+		event = ecore_event_add(INPUT_MOUSE_WHEEL_DOWN, NULL, NULL, NULL);
+	} else {
+		elm_object_focus_next((Evas_Object *)data, ELM_FOCUS_PREVIOUS);
+		event = ecore_event_add(INPUT_MOUSE_WHEEL_UP, NULL, NULL, NULL);
+	}
+	if (!event)
+		EINA_LOG_ERR("Wheel event failed to queue.");
+}
+
+void input_init()
+{
+	INPUT_MOUSE_WHEEL_UP = ecore_event_type_new();
+	INPUT_MOUSE_WHEEL_DOWN = ecore_event_type_new();
+}