Cleaned up ImageRect a little

* Use `std::unique_ptr`, so we can get rid of the custom move
  constructor and destructor.

* Move and rename the `ImagePosition` enum to `WindowAlignment`, which
  fits better with what this enum is actually used for.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/helpwindow.cpp b/src/gui/helpwindow.cpp
index c7e87a55..7c7c5d4c 100644
--- a/src/gui/helpwindow.cpp
+++ b/src/gui/helpwindow.cpp
@@ -45,7 +45,7 @@ HelpWindow::HelpWindow():
     setResizable(true);
     setupWindow->registerWindowForReset(this);
 
-    setDefaultSize(500, 400, ImageRect::CENTER);
+    setDefaultSize(500, 400, WindowAlignment::Center);
 
     mBrowserBox = new BrowserBox;
     mScrollArea = new ScrollArea(mBrowserBox);