Diff: Widgets/Window.cpp

Revision:

18:d849f3ada858

Parent:

17:5184762fda6c

--- a/Widgets/Window.cpp	Sun May 22 16:35:23 2016 +0000
+++ b/Widgets/Window.cpp	Sat May 28 14:50:14 2016 +0000
@@ -1,6 +1,6 @@
 #include "Window.h"
 
-Window::Window(GraphicsContext* context) : Widget(context) 
+Window::Window(GraphicsContext* context) : Widget(context), _childHandledEvents(0) 
 {
     setSize(context->display()->width(), context->display()->height());
 }
@@ -9,6 +9,7 @@
 {
     _widgets.append(widget);
     widget->setParent(this);
+    _reenumerateEvents();
     widget->show();
     dirtyAll();
     damage();
@@ -20,6 +21,7 @@
     widget->hide();
     _widgets.remove(widget);
     widget->setParent(NULL);
+    _reenumerateEvents();
     dirty();
 }
 
@@ -74,11 +76,41 @@
 void Window::_dirtyIntersected(Widget *w)
 {
     Widget *o;
-    _widgets.reset();
-    while((o = _widgets.next()) != NULL) {
+    LinkedListIterator<Widget> it = _widgets.getIterator();
+    while((o = it.next()) != NULL) {
         if((o != w) && o->intersects(w)) {
             o->dirtyAll();
         }
     }
 }
 
+void Window::handleEvent(Event e) {
+    Widget::handleEvent(e);
+    // At this point we can do bubbling, cancelling etc. One day
+    if(_childHandledEvents & e.type) {
+        LinkedListIterator<Widget> it = _widgets.getIterator();
+        Widget *w;
+        while((w = it.next()) != NULL) {
+            w->handleEvent(e);
+        }
+    }
+}
+
+void Window::_reenumerateHandledEvents() {
+        
+    Widget::_reenumerateHandledEvents();
+    
+    _childHandledEvents = 0;
+    Widget *w;
+    LinkedListIterator<Widget> wit = _widgets.getIterator();
+    while((w = wit.next()) != NULL) {
+        _childHandledEvents |= w->_getHandledEvents();
+        w = _widgets.next();
+    }
+}
+
+uint16_t Window::_getHandledEvents() {
+    uint16_t m = Widget::_getHandledEvents();
+    m |= _childHandledEvents;
+    return m;
+}