Added a new method to AreaHandler, Defocuses(), for navigation events.

1 files changed, 4 insertions, 0 deletions

diff --git a/redo/area.go b/redo/area.go
index 2ce7d5c..190fa10 100644
--- a/redo/area.go
+++ b/redo/area.go
@@ -76,6 +76,10 @@ type AreaHandler interface {
 	// See KeyEvent for details.
 	// After handling the key event, package ui will decide whether to perform platform-dependent event chain continuation based on that platform's designated action (so it is not possible to override global key events, such as Alt-Tab, this way).
 	Key(e KeyEvent)
+
+	// Defocuses is called when package ui needs to tell the OS if the Area should stop accepting focus.
+	// When and how often Defocuses is called is implementation-defined.
+	Defocuses() bool
 }
 
 // MouseEvent contains all the information for a mous event sent by Area.Mouse.