Initial import of Dillo

dw/events.hh

@@ -0,0 +1,83 @@
+#ifndef __DW_EVENTS_HH__
+#define __DW_EVENTS_HH__
+
+#ifndef __INCLUDED_FROM_DW_CORE_HH__
+#   error Do not include this file directly, use "core.hh" instead.
+#endif
+
+namespace dw {
+namespace core {
+
+/**
+ * \brief Platform independent representation.
+ */
+enum ButtonState
+{
+   /* We won't use more than these ones. */
+   SHIFT_MASK    = 1 << 0,
+   CONTROL_MASK  = 1 << 1,
+   META_MASK     = 1 << 2,
+   BUTTON1_MASK  = 1 << 3,
+   BUTTON2_MASK  = 1 << 4,
+   BUTTON3_MASK  = 1 << 5
+};
+
+/**
+ * \brief Base class for all events.
+ *
+ * The dw::core::Event hierarchy describes events in a platform independent
+ * way.
+ */
+class Event: public lout::object::Object
+{
+public:
+};
+
+/**
+ * \brief Base class for all mouse events.
+ */
+class MouseEvent: public Event
+{
+public:
+   ButtonState state;
+};
+
+/**
+ * \brief Base class for all mouse events related to a specific position.
+ */
+class MousePositionEvent: public MouseEvent
+{
+public:
+   int xCanvas, yCanvas, xWidget, yWidget;
+};
+
+/**
+ * \brief Represents a button press or release event.
+ */
+class EventButton: public MousePositionEvent
+{
+public:
+   int numPressed; /* 1 for simple click, 2 for double click, etc. */
+   int button;
+};
+
+/**
+ * \brief Represents a mouse motion event.
+ */
+class EventMotion: public MousePositionEvent
+{
+};
+
+/**
+ * \brief Represents a enter or leave notify event.
+ */
+class EventCrossing: public MouseEvent
+{
+public:
+   Widget *lastWidget, *currentWidget;
+};
+
+} // namespace core
+} // namespace dw
+
+#endif // __DW_EVENTS_HH__