Button.SetBlurFunc() should have been named Button.SetExitFunc().

button.go

@@ -26,8 +26,9 @@ type Button struct {
 	selected func()
 
 	// An optional function which is called when the user leaves the button. A
-	// key is provided indicating which key was pressed to leave (tab or backtab).
-	blur func(tcell.Key)
+	// key is provided indicating which key was pressed to leave (tab or
+	// backtab).
+	exit func(tcell.Key)
 }
 
 // NewButton returns a new input field.
@@ -80,15 +81,15 @@ func (b *Button) SetSelectedFunc(handler func()) *Button {
 	return b
 }
 
-// SetBlurFunc sets a handler which is called when the user leaves the button.
+// SetExitFunc sets a handler which is called when the user leaves the button.
 // The callback function is provided with the key that was pressed, which is one
 // of the following:
 //
 //   - KeyEscape: Leaving the button with no specific direction.
 //   - KeyTab: Move to the next field.
 //   - KeyBacktab: Move to the previous field.
-func (b *Button) SetBlurFunc(handler func(key tcell.Key)) *Button {
-	b.blur = handler
+func (b *Button) SetExitFunc(handler func(key tcell.Key)) *Button {
+	b.exit = handler
 	return b
 }
 
@@ -129,8 +130,8 @@ func (b *Button) InputHandler() func(event *tcell.EventKey, setFocus func(p Prim
 				b.selected()
 			}
 		case tcell.KeyBacktab, tcell.KeyTab, tcell.KeyEscape: // Leave. No action.
-			if b.blur != nil {
-				b.blur(key)
+			if b.exit != nil {
+				b.exit(key)
 			}
 		}
 	})

form.go

@@ -588,7 +588,7 @@ func (f *Form) Focus(delegate func(p Primitive)) {
 	} else {
 		// We're selecting a button.
 		button := f.buttons[f.focusedElement-len(f.items)]
-		button.SetBlurFunc(handler)
+		button.SetExitFunc(handler)
 		delegate(button)
 	}
 }

grid.go

@@ -253,11 +253,6 @@ func (g *Grid) Focus(delegate func(p Primitive)) {
 	g.hasFocus = true
 }
 
-// Blur is called when this primitive loses focus.
-func (g *Grid) Blur() {
-	g.hasFocus = false
-}
-
 // HasFocus returns whether or not this primitive has focus.
 func (g *Grid) HasFocus() bool {
 	for _, item := range g.items {

styles.go

@@ -31,5 +31,5 @@ var Styles = Theme{
 	SecondaryTextColor:          tcell.ColorYellow,
 	TertiaryTextColor:           tcell.ColorGreen,
 	InverseTextColor:            tcell.ColorBlue,
-	ContrastSecondaryTextColor:  tcell.ColorDarkCyan,
+	ContrastSecondaryTextColor:  tcell.ColorDarkBlue,
 }