Big refactor, shuffling a lot of files around

src/imgui/dockspace.h

@@ -0,0 +1,41 @@
+#pragma once
+
+#include "documents.h"
+#include "taskbar.h"
+#include "window/animation_preview.h"
+#include "window/animations.h"
+#include "window/events.h"
+#include "window/frame_properties.h"
+#include "window/layers.h"
+#include "window/nulls.h"
+#include "window/onionskin.h"
+#include "window/sounds.h"
+#include "window/spritesheet_editor.h"
+#include "window/spritesheets.h"
+#include "window/timeline.h"
+#include "window/tools.h"
+#include "window/welcome.h"
+
+namespace anm2ed::imgui
+{
+  class Dockspace
+  {
+    AnimationPreview animationPreview;
+    Animations animations;
+    Events events;
+    FrameProperties frameProperties;
+    Layers layers;
+    Nulls nulls;
+    Onionskin onionskin;
+    SpritesheetEditor spritesheetEditor;
+    Spritesheets spritesheets;
+    Sounds sounds;
+    Timeline timeline;
+    Tools tools;
+    Welcome welcome;
+
+  public:
+    void tick(Manager&, Settings&);
+    void update(Taskbar&, Documents&, Manager&, Settings&, Resources&, Dialog&, Clipboard&);
+  };
+}