Changeset 7866 in orxonox.OLD for branches/gui/src/lib/event

Timestamp:

May 26, 2006, 1:11:10 PM (19 years ago)

Author:

bensch

Message:

Events are subscribed at the EventListener, and not the EventHandler

Location:

branches/gui/src/lib/event

Files:

• event_def.h (modified) (1 diff)
• event_handler.cc (modified) (1 diff)
• event_handler.h (modified) (1 diff)
• event_listener.cc (modified) (3 diffs)
• event_listener.h (modified) (2 diffs)

branches/gui/src/lib/event/event_def.h

@@ -12 +12 @@
 #include "SDL/SDL_keysym.h"
 #endif
-#include "stdincl.h"
 
 

branches/gui/src/lib/event/event_handler.cc

@@ -171 +171 @@
    unsubscribe(EventListener* el, elState state) function
 */
-void EventHandler::unsubscribe(elState state, int eventType)
+void EventHandler::unsubscribe(EventListener* el, elState state, int eventType)
 {
   PRINTF(4)("Unsubscribing event type nr: %i\n", eventType);
   if (state == ES_ALL)
     for (unsigned int i = 0; i < ES_NUMBER; i++)
-      this->listeners[i][eventType].clear();
-  else
-    this->listeners[state][eventType].clear();
-}
-
-
-/**
- * unsubscribe all events from a specific listener
+    {
+      std::vector<EventListener*>::iterator listener =
+         std::find(this->listeners[i][eventType].begin(),
+                   this->listeners[i][eventType].end(),
+                   el);
+      if (listener != this->listeners[i][eventType].end())
+        this->listeners[i][eventType].erase(listener);
+    }
+  else
+  {
+    std::vector<EventListener*>::iterator listener =
+        std::find(this->listeners[state][eventType].begin(),
+                  this->listeners[state][eventType].end(),
+                  el);
+    if (listener != this->listeners[state][eventType].end())
+      this->listeners[state][eventType].erase(listener);
+  }
+}
+
+
+/**
+ * @brief unsubscribe all events from a specific listener
  * @param el: the listener that wants to unsubscribe itself
  * @param state: the state in which the events shall be unsubscribed
-
-*/
+ */
 void EventHandler::unsubscribe(EventListener* el, elState state)
 {

branches/gui/src/lib/event/event_handler.h

@@ -35 +35 @@
 
   void subscribe(EventListener* el, elState state, int eventType);
-  void unsubscribe(elState state, int eventType);
+  void unsubscribe(EventListener* el, elState state, int eventType);
   void unsubscribe(EventListener* el, elState state = ES_ALL);
   void flush(elState state);

branches/gui/src/lib/event/event_listener.cc

@@ -23 +23 @@
 
 /**
- *  standard constructor
-*/
+ * @brief standard constructor
+ */
 EventListener::EventListener ()
 {
@@ -32 +32 @@
 
 /**
- *  standard deconstructor
-*/
+ * @brief standard deconstructor
+ *
+ * Unsubscribes all Subscribed Events, of this EventListener.
+ */
 EventListener::~EventListener ()
 {
@@ -39 +41 @@
   EventHandler::getInstance()->unsubscribe(this, ES_ALL);
 }
+
+bool EventListener::isEventSubscribed(elState state, int eventType) const
+{
+  return EventHandler::getInstance()->isSubscribed(state, eventType);
+}
+
+
+/**
+ * @brief Subscribes an Events to this EventListener.
+ * @param state the state to subscribe to.
+ * @param eventType the Type of Event to subscribe.
+ */
+void EventListener::subscribeEvent(elState state, int eventType)
+{
+  EventHandler::getInstance()->subscribe(this, state, eventType);
+}
+
+
+/**
+ * @brief Unubscribes an Event from this EventListener.
+ * @param state the state to unsubscribe from.
+ * @param eventType the Type of Event to unsubscribe.
+ */
+void EventListener::unsubscribeEvent(elState state, int eventType)
+{
+  EventHandler::getInstance()->unsubscribe(this, state, eventType);
+}
+
+void EventListener::unsubscribeEvents(elState state)
+{
+  EventHandler::getInstance()->unsubscribe(this, state);
+}
+

branches/gui/src/lib/event/event_listener.h

@@ -9 +9 @@
 #include "base_object.h"
 #include "event.h"
+#include "event_def.h"
 
 //! A class for event listener
@@ -17 +18 @@
   virtual ~EventListener();
 
+  bool isEventSubscribed(elState state, int eventType) const;
+
+  void subscribeEvent(elState state, int eventType);
+  void unsubscribeEvent(elState state, int eventType);
+  void unsubscribeEvents(elState state = ES_ALL);
+
   /**
-   * abstract function that processes events from the handler
+   * @brief abstract function that processes events from the handler
    * @param event: the event
    */
   virtual void process(const Event &event) = 0;
+
 };