Rename all the LibGUI classes to GClassName.

LibGUI/GEventLoop.cpp

@@ -0,0 +1,67 @@
+#include "GEventLoop.h"
+#include "GEvent.h"
+#include "GObject.h"
+
+static GEventLoop* s_mainGEventLoop;
+
+void GEventLoop::initialize()
+{
+    s_mainGEventLoop = nullptr;
+}
+
+GEventLoop::GEventLoop()
+{
+    if (!s_mainGEventLoop)
+        s_mainGEventLoop = this;
+}
+
+GEventLoop::~GEventLoop()
+{
+}
+
+GEventLoop& GEventLoop::main()
+{
+    ASSERT(s_mainGEventLoop);
+    return *s_mainGEventLoop;
+}
+
+int GEventLoop::exec()
+{
+    m_running = true;
+    for (;;) {
+        if (m_queuedEvents.is_empty())
+            waitForEvent();
+        Vector<QueuedEvent> events;
+        {
+            events = move(m_queuedEvents);
+        }
+        for (auto& queuedEvent : events) {
+            auto* receiver = queuedEvent.receiver;
+            auto& event = *queuedEvent.event;
+            //printf("GEventLoop: GObject{%p} event %u (%s)\n", receiver, (unsigned)event.type(), event.name());
+            if (!receiver) {
+                switch (event.type()) {
+                case GEvent::Quit:
+                    ASSERT_NOT_REACHED();
+                    return 0;
+                default:
+                    dbgprintf("event type %u with no receiver :(\n", event.type());
+                    ASSERT_NOT_REACHED();
+                    return 1;
+                }
+            } else {
+                receiver->event(event);
+            }
+        }
+    }
+}
+
+void GEventLoop::postEvent(GObject* receiver, OwnPtr<GEvent>&& event)
+{
+    //printf("GEventLoop::postGEvent: {%u} << receiver=%p, event=%p\n", m_queuedEvents.size(), receiver, event.ptr());
+    m_queuedEvents.append({ receiver, move(event) });
+}
+
+void GEventLoop::waitForEvent()
+{
+}