add static hot key assignments for text widgets

wtf/focus_tracker.go

@@ -29,9 +29,25 @@ func (tracker *FocusTracker) AssignHotKeys() {
 		return
 	}
 
+	usedKeys := make(map[string]bool)
+	focusables := tracker.focusables()
 	i := 1
 
-	for _, focusable := range tracker.focusables() {
+	for _, focusable := range focusables {
+		if focusable.FocusChar() != "" {
+			usedKeys[focusable.FocusChar()] = true
+		}
+	}
+	for _, focusable := range focusables {
+		if focusable.FocusChar() != "" {
+			continue
+		}
+		if _, foundKey := usedKeys[string('0'+i)]; foundKey {
+			for ; foundKey; _, foundKey = usedKeys[string('0'+i)] {
+				i++
+			}
+		}
+
 		// Don't have nav characters > "9"
 		if i >= 10 {
 			break

wtf/text_widget.go

@@ -22,10 +22,16 @@ type TextWidget struct {
 }
 
 func NewTextWidget(app *tview.Application, name string, configKey string, focusable bool) TextWidget {
+	focusCharValue := Config.UInt(fmt.Sprintf("wtf.mods.%s.focusChar", configKey), -1)
+	focusChar := string('0' + focusCharValue)
+	if focusCharValue == -1 {
+		focusChar = ""
+	}
+
 	widget := TextWidget{
 		enabled:    Config.UBool(fmt.Sprintf("wtf.mods.%s.enabled", configKey), false),
 		focusable:  focusable,
-
+		focusChar:  focusChar,
 		Name:       Config.UString(fmt.Sprintf("wtf.mods.%s.title", configKey), name),
 		RefreshInt: Config.UInt(fmt.Sprintf("wtf.mods.%s.refreshInterval", configKey)),
 	}