Remove internal border in floating GroupDialog

GroupDialog in the Floating layout had a 12 pixel border between the window
edge and the tabbed widget, which was just a waste of space.

radiant/ui/mainframe/FloatingLayout.h

@@ -14,8 +14,15 @@ typedef std::shared_ptr<FloatingCamWnd> FloatingCamWndPtr;
 class FloatingLayout;
 typedef std::shared_ptr<FloatingLayout> FloatingLayoutPtr;
 
-class FloatingLayout :
-	public IMainFrameLayout
+/**
+ * \brief
+ * Original GIMP-style layout with multiple floating windows
+ *
+ * This layout is the most flexible, as it allows windows to be positioned and
+ * resized arbitrarily, but it is also more cumbersome to set up because the
+ * default window positions are not likely to be desirable.
+ */
+class FloatingLayout: public IMainFrameLayout
 {
 	// The floating camera window
 	FloatingCamWndPtr _floatingCamWnd;

radiant/uimanager/GroupDialog.cpp

@@ -88,7 +88,7 @@ void GroupDialog::populateWindow()
 	panel->SetSizer(new wxBoxSizer(wxVERTICAL));
 
 	wxBoxSizer* vbox = new wxBoxSizer(wxVERTICAL);
-	panel->GetSizer()->Add(vbox, 1, wxEXPAND | wxALL, 12);
+	panel->GetSizer()->Add(vbox, 1, wxEXPAND);
 
 	_notebook = new wxNotebook(panel, wxID_ANY, 
 		wxDefaultPosition, wxDefaultSize, wxNB_TOP, "GroupDialogNB");

radiant/uimanager/GroupDialog.h

@@ -12,6 +12,12 @@ class wxNotebook;
 class wxBookCtrlEvent;
 class wxImageList;
 
+namespace ui
+{
+
+class GroupDialog;
+typedef std::shared_ptr<GroupDialog> GroupDialogPtr;
+
 /**
  * greebo: The GroupDialog class creates the Window and the Notebook widget
  * as soon as construct() is called.
@@ -24,18 +30,10 @@ class wxImageList;
  * The name passed to the addPage() method can be used to directly toggle
  * the notebook widgets via setPage(<name>).
  */
-
-namespace ui
-{
-
-class GroupDialog;
-typedef std::shared_ptr<GroupDialog> GroupDialogPtr;
-
 class GroupDialog : 
 	public wxutil::TransientWindow,
 	public IGroupDialog
 {
-private:
 	// Pages, sorted by position
 	typedef std::map<int, Page> Pages;