1 files changed, 115 insertions, 0 deletions
diff --git a/src/events/mouse_wheel_event.c b/src/events/mouse_wheel_event.c
new file mode 100644
index 0000000..c38ae3e
--- /dev/null
+++ b/src/events/mouse_wheel_event.c
@@ -0,0 +1,115 @@
+/*
+ * This file is part of libdom.
+ * Licensed under the MIT License,
+ *                http://www.opensource.org/licenses/mit-license.php
+ * Copyright 2009 Bo Yang <struggleyb.nku@gmail.com>
+ */
+
+#include "events/mouse_wheel_event.h"
+#include "events/keyboard_event.h"
+#include "core/document.h"
+
+#include "utils/utils.h"
+
+static void _virtual_dom_mouse_wheel_event_destroy(struct dom_event *evt);
+
+static struct dom_event_private_vtable _event_vtable = {
+	_virtual_dom_mouse_wheel_event_destroy
+};
+
+/* Constructor */
+dom_exception _dom_mouse_wheel_event_create(struct dom_document *doc, 
+		struct dom_mouse_wheel_event **evt)
+{
+	*evt = _dom_document_alloc(doc, NULL, sizeof(dom_mouse_wheel_event));
+	if (*evt == NULL) 
+		return DOM_NO_MEM_ERR;
+	
+	((struct dom_event *) *evt)->vtable = &_event_vtable;
+
+	return _dom_mouse_wheel_event_initialise(doc, 
+			(dom_mouse_wheel_event *) *evt);
+}
+
+/* Destructor */
+void _dom_mouse_wheel_event_destroy(struct dom_document *doc, 
+		struct dom_mouse_wheel_event *evt)
+{
+	_dom_mouse_wheel_event_finalise(doc, (dom_ui_event *) evt);
+
+	_dom_document_alloc(doc, evt, 0);
+}
+
+/* Initialise function */
+dom_exception _dom_mouse_wheel_event_initialise(struct dom_document *doc,
+		struct dom_mouse_wheel_event *evt)
+{
+	return _dom_mouse_event_initialise(doc, (dom_mouse_event *) evt);
+}
+
+/* The virtual destroy function */
+void _virtual_dom_mouse_wheel_event_destroy(struct dom_event *evt)
+{
+	_dom_mouse_wheel_event_destroy(evt->doc, (dom_mouse_wheel_event *) evt);
+}
+
+/*----------------------------------------------------------------------*/
+/* The public API */
+
+/**
+ * Get wheelDelta
+ *
+ * \param evt  The Event object
+ * \param d    The wheelDelta
+ * \return DOM_NO_ERR.
+ */
+dom_exception _dom_mouse_wheel_event_get_wheel_delta(
+		dom_mouse_wheel_event *evt, long *d)
+{
+	*d = evt->delta;
+
+	return DOM_NO_ERR;
+}
+
+/**
+ * Intialise this event with namespace
+ *
+ * \param evt            The Event object
+ * \param namespace      The namespace of this event
+ * \param type           The event's type
+ * \param bubble         Whether this is a bubbling event
+ * \param cancelable     Whether this is a cancelable event
+ * \param view           The AbstractView associated with this event
+ * \param detail         The detail information of this mouse event
+ * \param screen_x       The x position of the mouse pointer in screen
+ * \param screen_y       The y position of the mouse pointer in screen
+ * \param client_x       The x position of the mouse pointer in client window
+ * \param client_y       The y position of the mouse pointer in client window
+ * \param button         The mouse button pressed
+ * \param et             The related target of this event, may be NULL
+ * \param modifier_list  The string contains the modifier identifier strings
+ * \param wheel_delta    The wheelDelta
+ * \return DOM_NO_ERR on success, appropriate dom_exception on failure.
+ */
+dom_exception _dom_mouse_wheel_event_init_ns(
+		dom_mouse_wheel_event *evt, struct dom_string *namespace,
+		struct dom_string *type,  bool bubble, bool cancelable,
+		struct dom_abstract_view *view, long detail, long screen_x,
+		long screen_y, long client_x, long client_y,
+		unsigned short button, dom_event_target *et,
+		struct dom_string *modifier_list, long wheel_delta)
+{
+	dom_exception err;
+	evt->delta = wheel_delta;
+	dom_mouse_event *e = (dom_mouse_event *) evt;
+
+	err = _dom_parse_modifier_list(modifier_list, &e->modifier_state);
+	if (err != DOM_NO_ERR)
+		return err;
+
+	return _dom_mouse_event_init_ns(&evt->base, namespace, type, bubble,
+			cancelable, view, detail ,screen_x, screen_y,
+			client_x, client_y, false, false, false, false,
+			button, et);
+}
+