citra-qt: Move graphics debugging code into its own folder

Keeps all graphics debugging stuff from cluttering up the root debugger
folder

src/citra_qt/debugger/graphics/graphics_breakpoint_observer.cpp

@@ -0,0 +1,27 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <QMetaType>
+#include "citra_qt/debugger/graphics/graphics_breakpoint_observer.h"
+
+BreakPointObserverDock::BreakPointObserverDock(std::shared_ptr<Pica::DebugContext> debug_context,
+                                               const QString& title, QWidget* parent)
+    : QDockWidget(title, parent), BreakPointObserver(debug_context) {
+    qRegisterMetaType<Pica::DebugContext::Event>("Pica::DebugContext::Event");
+
+    connect(this, SIGNAL(Resumed()), this, SLOT(OnResumed()));
+
+    // NOTE: This signal is emitted from a non-GUI thread, but connect() takes
+    //       care of delaying its handling to the GUI thread.
+    connect(this, SIGNAL(BreakPointHit(Pica::DebugContext::Event, void*)), this,
+            SLOT(OnBreakPointHit(Pica::DebugContext::Event, void*)), Qt::BlockingQueuedConnection);
+}
+
+void BreakPointObserverDock::OnPicaBreakPointHit(Pica::DebugContext::Event event, void* data) {
+    emit BreakPointHit(event, data);
+}
+
+void BreakPointObserverDock::OnPicaResume() {
+    emit Resumed();
+}