Restored the locks everywhere except on resizing calculations. I'll run under the assumption that uitask cannot process any requests while a resize occurs, which means preferredSize() and Stack/Grid.setRect() are inherently safe... let's hope I'm right...

1 files changed, 6 insertions, 4 deletions

diff --git a/button.go b/button.go
index 380fdd1..9a5f93c 100644
--- a/button.go
+++ b/button.go
@@ -29,22 +29,24 @@ func NewButton(text string) (b *Button) {
 
 // SetText sets the button's text.
 func (b *Button) SetText(text string) {
+	b.lock.Lock()
+	defer b.lock.Unlock()
+
 	if b.created {
 		b.sysData.setText(text)
 		return
 	}
-	b.lock.Lock()
-	defer b.lock.Unlock()
 	b.initText = text
 }
 
 // Text returns the button's text.
 func (b *Button) Text() string {
+	b.lock.Lock()
+	defer b.lock.Unlock()
+
 	if b.created {
 		return b.sysData.text()
 	}
-	b.lock.Lock()
-	defer b.lock.Unlock()
 	return b.initText
 }