event handling classes

1 files changed, 49 insertions, 0 deletions

diff --git a/otk/eventdispatcher.cc b/otk/eventdispatcher.cc
new file mode 100644
index 00000000..0d861b36
--- /dev/null
+++ b/otk/eventdispatcher.cc
@@ -0,0 +1,49 @@
+#include "eventdispatcher.hh"
+#include "display.hh"
+
+namespace otk {
+
+OtkEventDispatcher::OtkEventDispatcher()
+{
+}
+
+OtkEventDispatcher::~OtkEventDispatcher()
+{
+}
+
+void OtkEventDispatcher::clearAllHandlers(void)
+{
+  _map.clear();
+}
+
+void OtkEventDispatcher::registerHandler(Window id, OtkEventHandler *handler)
+{
+  _map.insert(std::pair<Window, OtkEventHandler*>(id, handler));
+}
+
+void OtkEventDispatcher::clearHandler(Window id)
+{
+  _map.erase(id);
+}
+
+void OtkEventDispatcher::dispatchEvents(void)
+{
+  XEvent e;
+  OtkEventHandler *handler;
+  OtkEventMap::iterator it;
+
+  while (XPending(OBDisplay::display)) {
+    XNextEvent(OBDisplay::display, &e);
+    it = _map.find(e.xany.window);
+
+    if (it == _map.end())
+      handler = _fallback;
+    else
+      handler = it->second;
+
+    if (handler)
+      handler->handle(e);
+  }
+}
+
+}