Fixes not reloading loaded document from an file system modified event after the first reload (SpartanJ/ecode#196).

Improved project search UI.

include/eepp/scene/event.hpp

@@ -50,6 +50,7 @@ class EE_API Event {
 		OnDocumentLoaded,
 		OnDocumentChanged,
 		OnDocumentClosed,
+		OnDocumentReloaded,
 		OnDocumentSyntaxDefinitionChange,
 		OnDocumentDirtyOnFileSysten,
 		OnFontStyleChanged,

include/eepp/ui/uiwidget.hpp

@@ -251,6 +251,14 @@ class EE_API UIWidget : public UINode {
 
 	void setTabStop();
 
+	void unsetTabStop();
+
+	bool isTabFocusable() const;
+
+	void setTabFocusable();
+
+	void unsetTabFocusable();
+
 	UIWidget* getPrevTabWidget() const;
 
 	UIWidget* getNextTabWidget() const;