new widget.TabContainer is now container.AppTabs

As per #1310

cmd/fyne_demo/main.go

@@ -115,7 +115,7 @@ func main() {
 	w.SetMainMenu(mainMenu)
 	w.SetMaster()
 
-	tabs := container.NewTabs(
+	tabs := container.NewAppTabs(
 		container.NewTabItemWithIcon("Welcome", theme.HomeIcon(), welcomeScreen(a)),
 		container.NewTabItemWithIcon("Graphics", theme.DocumentCreateIcon(), screens.GraphicsScreen()),
 		container.NewTabItemWithIcon("Widgets", theme.CheckButtonCheckedIcon(), screens.WidgetScreen()),

cmd/fyne_demo/screens/container.go

@@ -14,7 +14,7 @@ import (
 
 // ContainerScreen loads a tab panel for containers and layouts
 func ContainerScreen() fyne.CanvasObject {
-	return container.NewTabs(
+	return container.NewAppTabs( // TODO not best use of tabs here either
 		container.NewTabItem("Accordion", makeAccordionTab()),
 		container.NewTabItem("Card", makeCardTab()),
 		container.NewTabItem("Split", makeSplitTab()),

cmd/fyne_demo/screens/widget.go

@@ -330,7 +330,7 @@ func WidgetScreen() fyne.CanvasObject {
 	)
 
 	progress := makeProgressTab()
-	tabs := container.NewTabs(
+	tabs := container.NewAppTabs( // TODO move to something better suited to this content
 		container.NewTabItem("Buttons", makeButtonTab()),
 		container.NewTabItem("Text", makeTextTab()),
 		container.NewTabItem("Input", makeInputTab()),

container/tabs.go

@@ -5,9 +5,10 @@ import (
 	"fyne.io/fyne/widget"
 )
 
-// Tabs container allows switching visible content from a list of TabItems.
-// Each item is represented by a button at the top of the widget.
-type Tabs = widget.TabContainer
+// AppTabs container is used to split your application into various different areas identified by tabs.
+// The tabs contain text and/or an icon and allow the user to switch between the content specified in each TabItem.
+// Each item is represented by a button at the edge of the container.
+type AppTabs = widget.TabContainer
 
 // TabItem represents a single view in a TabContainer.
 // The Text and Icon are used for the tab button and the Content is shown when the corresponding tab is active.
@@ -24,8 +25,8 @@ const (
 	TabLocationTrailing
 )
 
-// NewTabs creates a new tab bar widget that allows the user to choose between different visible containers
-func NewTabs(items ...*TabItem) *Tabs {
+// NewAppTabs creates a new tab container that allows the user to choose between different areas of an app.
+func NewAppTabs(items ...*TabItem) *AppTabs {
 	return widget.NewTabContainer(items...)
 }