Add support for a new 'border' property on widgets

Sets whether or not the widget should be drawn with a border (and by
extension a title).

If 'true', the border is drawn. If 'false', no
border is drawn. Defaults. to 'true'. Optional.

cfg/common_settings.go

@@ -47,7 +47,8 @@ type Common struct {
 	PositionSettings `help:"Defines where in the grid this module’s widget will be displayed."`
 	Sigils
 
-	Enabled         bool   `help:"Determines whether or not this module is executed and if its data displayed onscreen." values:"true, false"`
+	Bordered        bool   `help:"Whether or not the module should be displayed with a border." values:"true, false" optional:"true" default:"true"`
+	Enabled         bool   `help:"Whether or not this module is executed and if its data displayed onscreen." values:"true, false" optional:"true" default:"false"`
 	RefreshInterval int    `help:"How often, in seconds, this module will update its data." values:"A positive integer, 0..n." optional:"true"`
 	Title           string `help:"The title string to show when displaying this module" optional:"true"`
 	Config          *config.Config
@@ -80,6 +81,7 @@ func NewCommonSettingsFromModule(name, defaultTitle string, moduleConfig *config
 
 		PositionSettings: NewPositionSettingsFromYAML(name, moduleConfig),
 
+		Bordered:        moduleConfig.UBool("border", true),
 		Enabled:         moduleConfig.UBool("enabled", false),
 		RefreshInterval: moduleConfig.UInt("refreshInterval", 300),
 		Title:           moduleConfig.UString("title", defaultTitle),

wtf/text_widget.go

@@ -9,6 +9,7 @@ import (
 )
 
 type TextWidget struct {
+	bordered        bool
 	commonSettings  *cfg.Common
 	enabled         bool
 	focusable       bool
@@ -25,6 +26,7 @@ func NewTextWidget(app *tview.Application, commonSettings *cfg.Common, focusable
 		commonSettings: commonSettings,
 
 		app:             app,
+		bordered:        commonSettings.Bordered,
 		enabled:         commonSettings.Enabled,
 		focusable:       focusable,
 		focusChar:       commonSettings.FocusChar(),
@@ -33,12 +35,18 @@ func NewTextWidget(app *tview.Application, commonSettings *cfg.Common, focusable
 	}
 
 	widget.View = widget.addView()
+	widget.View.SetBorder(widget.bordered)
 
 	return widget
 }
 
 /* -------------------- Exported Functions -------------------- */
 
+// Bordered returns whether or not this widget should be drawn with a border
+func (widget *TextWidget) Bordered() bool {
+	return widget.bordered
+}
+
 func (widget *TextWidget) BorderColor() string {
 	if widget.Focusable() {
 		return widget.commonSettings.Colors.BorderFocusable