Move leaveNotify event handling to AbstractClient

Only most basic to cancel auto raise and delayed focus.

abstract_client.cpp

@@ -1523,4 +1523,13 @@ void AbstractClient::enterEvent(const QPoint &globalPos)
     }
 }
 
+void AbstractClient::leaveEvent()
+{
+    cancelAutoRaise();
+    workspace()->cancelDelayFocus();
+    // TODO: shade hover
+    // TODO: send hover leave to deco
+    // TODO: handle Options::FocusStrictlyUnderMouse
+}
+
 }

abstract_client.h

@@ -407,6 +407,7 @@ public:
     void keyPressEvent(uint key_code);
 
     void enterEvent(const QPoint &globalPos);
+    void leaveEvent();
 
     /**
      * These values represent positions inside an area

events.cpp

@@ -978,8 +978,7 @@ void Client::leaveNotifyEvent(xcb_leave_notify_event_t *e)
             }
         }
         if (lostMouse) {
-            cancelAutoRaise();
-            workspace()->cancelDelayFocus();
+            leaveEvent();
             cancelShadeHoverTimer();
             if (shade_mode == ShadeHover && !isMoveResize() && !isMoveResizePointerButtonDown()) {
                 shadeHoverTimer = new QTimer(this);