From 00504c43ff6e5ba32e7aa8cac355e15a43591653 Mon Sep 17 00:00:00 2001
From: Chris Cummer <chriscummer@me.com>
Date: Mon, 7 May 2018 15:59:20 -0700
Subject: [PATCH] Fixes #39. Unfocused tab problem solved

---
 system/widget.go     |  2 +-
 wtf.go               |  2 +-
 wtf/focus_tracker.go | 20 ++++++++++++++------
 3 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/system/widget.go b/system/widget.go
index b4521c38..435cff12 100644
--- a/system/widget.go
+++ b/system/widget.go
@@ -20,7 +20,7 @@ type Widget struct {
 
 func NewWidget(builtAt, version string) *Widget {
 	widget := Widget{
-		TextWidget: wtf.NewTextWidget(" System ", "system", false),
+		TextWidget: wtf.NewTextWidget(" Build ", "system", false),
 		BuiltAt:    builtAt,
 		Version:    version,
 	}
diff --git a/wtf.go b/wtf.go
index 1ba53b61..0ebd7a57 100644
--- a/wtf.go
+++ b/wtf.go
@@ -201,7 +201,7 @@ func main() {
 
 	FocusTracker = wtf.FocusTracker{
 		App:     app,
-		Idx:     0,
+		Idx:     -1,
 		Widgets: Widgets,
 	}
 
diff --git a/wtf/focus_tracker.go b/wtf/focus_tracker.go
index b3ae18e4..9d6c328e 100644
--- a/wtf/focus_tracker.go
+++ b/wtf/focus_tracker.go
@@ -17,9 +17,11 @@ type FocusTracker struct {
 // Next sets the focus on the next widget in the widget list. If the current widget is
 // the last widget, sets focus on the first widget.
 func (tracker *FocusTracker) Next() {
-	tracker.blur(tracker.Idx)
-	tracker.increment()
-	tracker.focus(tracker.Idx)
+	if tracker.widgetHasFocus() {
+		tracker.blur(tracker.Idx)
+		tracker.increment()
+		tracker.focus(tracker.Idx)
+	}
 }
 
 // None removes focus from the currently-focused widget.
@@ -30,9 +32,11 @@ func (tracker *FocusTracker) None() {
 // Prev sets the focus on the previous widget in the widget list. If the current widget is
 // the last widget, sets focus on the last widget.
 func (tracker *FocusTracker) Prev() {
-	tracker.blur(tracker.Idx)
-	tracker.decrement()
-	tracker.focus(tracker.Idx)
+	if tracker.widgetHasFocus() {
+		tracker.blur(tracker.Idx)
+		tracker.decrement()
+		tracker.focus(tracker.Idx)
+	}
 }
 
 func (tracker *FocusTracker) Refocus() {
@@ -104,6 +108,10 @@ func (tracker *FocusTracker) increment() {
 // widgetHasFocus returns true if one of the widgets currently has the app's focus,
 // false if none of them do (ie: perhaps a modal dialog currently has it instead)
 func (tracker *FocusTracker) widgetHasFocus() bool {
+	if tracker.Idx < 0 {
+		return true
+	}
+
 	for _, widget := range tracker.Widgets {
 		if widget.TextView() == tracker.App.GetFocus() {
 			return true