Add a global Redraw method for TextWidget

Partially addresses #429, by centralizing widget drawing

modules/todo/display.go

@@ -2,7 +2,6 @@ package todo
 
 import (
 	"fmt"
-	"strconv"
 
 	"github.com/rivo/tview"
 	"github.com/wtfutil/wtf/checklist"
@@ -34,9 +33,7 @@ func (widget *Widget) display() {
 	newList.SetSelectedByItem(widget.list.SelectedItem())
 	widget.SetList(newList)
 
-	widget.View.Clear()
-	widget.View.SetText(str)
-	widget.View.Highlight(strconv.Itoa(widget.list.Selected())).ScrollToHighlight()
+	widget.Redraw(widget.CommonSettings.Title, str, false)
 }
 
 func (widget *Widget) formattedItemLine(idx int, item *checklist.ChecklistItem, selectedItem *checklist.ChecklistItem, maxLen int) string {

modules/todo/widget.go

@@ -79,13 +79,7 @@ func NewWidget(app *tview.Application, pages *tview.Pages, settings *Settings) *
 
 func (widget *Widget) Refresh() {
 	widget.load()
-
-	widget.app.QueueUpdateDraw(func() {
-		title := widget.ContextualTitle(widget.CommonSettings.Title)
-		widget.View.SetTitle(title)
-		widget.display()
-	})
-
+	widget.display()
 }
 
 func (widget *Widget) SetList(list checklist.Checklist) {
@@ -198,10 +192,9 @@ func (widget *Widget) addSaveButton(form *tview.Form, fctn func()) {
 }
 
 func (widget *Widget) modalFocus(form *tview.Form) {
-	frame := widget.modalFrame(form)
-	widget.pages.AddPage("modal", frame, false, true)
-
 	widget.app.QueueUpdateDraw(func() {
+		frame := widget.modalFrame(form)
+		widget.pages.AddPage("modal", frame, false, true)
 		widget.app.SetFocus(frame)
 	})
 }