Fixed focus delegation.

application.go

@@ -239,10 +239,6 @@ func (a *Application) ResizeToFullScreen(p Primitive) *Application {
 // Blur() will be called on the previously focused primitive. Focus() will be
 // called on the new primitive.
 func (a *Application) SetFocus(p Primitive) *Application {
-	if p.InputHandler() == nil {
-		return a
-	}
-
 	a.Lock()
 	if a.focus != nil {
 		a.focus.Blur()

flex.go

@@ -1,6 +1,8 @@
 package tview
 
-import "github.com/gdamore/tcell"
+import (
+	"github.com/gdamore/tcell"
+)
 
 // Configuration values.
 const (
@@ -69,7 +71,7 @@ func (f *Flex) SetFullScreen(fullScreen bool) *Flex {
 // primitive receives focus. If multiple items have the "focus" flag set to
 // true, the first one will receive focus.
 func (f *Flex) AddItem(item Primitive, fixedSize, proportion int, focus bool) *Flex {
-	f.items = append(f.items, flexItem{Item: item, FixedSize: fixedSize, Proportion: proportion})
+	f.items = append(f.items, flexItem{Item: item, FixedSize: fixedSize, Proportion: proportion, Focus: focus})
 	return f
 }
 

form.go

@@ -304,11 +304,6 @@ func (f *Form) Focus(delegate func(p Primitive)) {
 	}
 }
 
-// InputHandler returns the handler for this primitive.
-func (f *Form) InputHandler() func(event *tcell.EventKey, setFocus func(p Primitive)) {
-	return func(event *tcell.EventKey, setFocus func(p Primitive)) {}
-}
-
 // HasFocus returns whether or not this primitive has focus.
 func (f *Form) HasFocus() bool {
 	for _, item := range f.items {

frame.go

@@ -145,11 +145,6 @@ func (f *Frame) Focus(delegate func(p Primitive)) {
 	delegate(f.primitive)
 }
 
-// InputHandler returns the handler for this primitive.
-func (f *Frame) InputHandler() func(event *tcell.EventKey, setFocus func(p Primitive)) {
-	return func(event *tcell.EventKey, setFocus func(p Primitive)) {}
-}
-
 // HasFocus returns whether or not this primitive has focus.
 func (f *Frame) HasFocus() bool {
 	focusable, ok := f.primitive.(Focusable)

pages.go

@@ -217,8 +217,3 @@ func (p *Pages) Draw(screen tcell.Screen) {
 		page.Item.Draw(screen)
 	}
 }
-
-// InputHandler returns the handler for this primitive.
-func (p *Pages) InputHandler() func(event *tcell.EventKey, setFocus func(p Primitive)) {
-	return func(event *tcell.EventKey, setFocus func(p Primitive)) {}
-}