WTF-427 Use new keyboard implementation for widgets. Closes #427

modules/gitter/keyboard.go

@@ -0,0 +1,14 @@
+package gitter
+
+import "github.com/gdamore/tcell"
+
+func (widget *Widget) initializeKeyboardControls() {
+	widget.SetKeyboardChar("/", widget.ShowHelp)
+	widget.SetKeyboardChar("j", widget.next)
+	widget.SetKeyboardChar("k", widget.prev)
+	widget.SetKeyboardChar("r", widget.Refresh)
+
+	widget.SetKeyboardKey(tcell.KeyDown, widget.next)
+	widget.SetKeyboardKey(tcell.KeyEsc, widget.unselect)
+	widget.SetKeyboardKey(tcell.KeyUp, widget.prev)
+}

modules/gitter/widget.go

@@ -2,10 +2,10 @@ package gitter
 
 import (
 	"fmt"
-	"github.com/gdamore/tcell"
+	"strconv"
+
 	"github.com/rivo/tview"
 	"github.com/wtfutil/wtf/wtf"
-	"strconv"
 )
 
 const HelpText = `
@@ -20,8 +20,10 @@ const HelpText = `
    arrow up:   Select the previous message in the list
 `
 
+// A Widget represents a Gitter widget
 type Widget struct {
 	wtf.HelpfulWidget
+	wtf.KeyboardWidget
 	wtf.TextWidget
 
 	app      *tview.Application
@@ -30,21 +32,26 @@ type Widget struct {
 	settings *Settings
 }
 
+// NewWidget creates a new instance of a widget
 func NewWidget(app *tview.Application, pages *tview.Pages, settings *Settings) *Widget {
 	widget := Widget{
-		HelpfulWidget: wtf.NewHelpfulWidget(app, pages, HelpText),
-		TextWidget:    wtf.NewTextWidget(app, settings.common, true),
+		HelpfulWidget:  wtf.NewHelpfulWidget(app, pages, HelpText),
+		KeyboardWidget: wtf.NewKeyboardWidget(),
+		TextWidget:     wtf.NewTextWidget(app, settings.common, true),
 
 		app:      app,
 		settings: settings,
 	}
 
-	widget.HelpfulWidget.SetView(widget.View)
+	widget.initializeKeyboardControls()
+	widget.View.SetInputCapture(widget.InputCapture)
+
 	widget.unselect()
 
 	widget.View.SetScrollable(true)
 	widget.View.SetRegions(true)
-	widget.View.SetInputCapture(widget.keyboardIntercept)
+
+	widget.HelpfulWidget.SetView(widget.View)
 
 	return &widget
 }
@@ -160,33 +167,3 @@ func (widget *Widget) unselect() {
 	widget.selected = -1
 	widget.display()
 }
-
-func (widget *Widget) keyboardIntercept(event *tcell.EventKey) *tcell.EventKey {
-	switch string(event.Rune()) {
-	case "/":
-		widget.ShowHelp()
-	case "j":
-		widget.next()
-		return nil
-	case "k":
-		widget.prev()
-		return nil
-	case "r":
-		widget.Refresh()
-		return nil
-	}
-
-	switch event.Key() {
-	case tcell.KeyDown:
-		widget.next()
-		return nil
-	case tcell.KeyEsc:
-		widget.unselect()
-		return event
-	case tcell.KeyUp:
-		widget.prev()
-		return nil
-	default:
-		return event
-	}
-}