Element methods are now more consistent and have less bool flags

Still need to update most examples...

examples/align/main.go

@@ -13,23 +13,18 @@ func run () {
 	window, _ := tomo.NewWindow(tomo.Bounds(0, 0, 256, 256))
 	window.SetTitle("Text alignment")
 
-	container := elements.NewDocument()
-
-	left    := elements.NewLabel(text, true)
-	center  := elements.NewLabel(text, true)
-	right   := elements.NewLabel(text, true)
-	justify := elements.NewLabel(text, true)
+	left    := elements.NewLabelWrapped(text)
+	center  := elements.NewLabelWrapped(text)
+	right   := elements.NewLabelWrapped(text)
+	justify := elements.NewLabelWrapped(text)
 
 	left.SetAlign(textdraw.AlignLeft)
 	center.SetAlign(textdraw.AlignCenter)
 	right.SetAlign(textdraw.AlignRight)
 	justify.SetAlign(textdraw.AlignJustify)
 
-	container.Adopt(left, true)
-	container.Adopt(center, true)
-	container.Adopt(right, true)
-	container.Adopt(justify, true)
-	window.Adopt(elements.NewScroll(container, false, true))
+	window.Adopt (elements.NewScroll (elements.ScrollVertical,
+		elements.NewDocument(left, center, right, justify)))
 	
 	window.OnClose(tomo.Stop)
 	window.Show()

examples/checkbox/main.go

@@ -13,23 +13,15 @@ func run () {
 	window, _ := tomo.NewWindow(tomo.Bounds(0, 0, 0, 0))
 	window.SetTitle("Checkboxes")
 
-	container := elements.NewVBox(true, true)
-	window.Adopt(container)
-
-	introText := elements.NewLabel (
+	introText := elements.NewLabelWrapped (
 		"We advise you to not read thPlease listen to me. I am " +
 		"trapped inside the example code. This is the only way for " +
-		"me to communicate.", true)
+		"me to communicate.")
 	introText.EmCollapse(0, 5)
-	container.Adopt(introText, true)
-	container.Adopt(elements.NewSpacer(true), false)
-	container.Adopt(elements.NewCheckbox("Oh god", false), false)
-	container.Adopt(elements.NewCheckbox("Can you hear them", true), false)
-	container.Adopt(elements.NewCheckbox("They are in the walls", false), false)
-	container.Adopt(elements.NewCheckbox("They are coming for us", false), false)
+	
 	disabledCheckbox := elements.NewCheckbox("We are but their helpless prey", false)
 	disabledCheckbox.SetEnabled(false)
-	container.Adopt(disabledCheckbox, false)
+	
 	vsync := elements.NewCheckbox("Enable vsync", false)
 	vsync.OnToggle (func () {
 		if vsync.Value() {
@@ -40,12 +32,23 @@ func run () {
 				"That doesn't do anything.")
 		}
 	})
-	container.Adopt(vsync, false)
+	
 	button := elements.NewButton("What")
 	button.OnClick(tomo.Stop)
-	container.Adopt(button, false)
-	button.Focus()
+	
+	box := elements.NewVBox(elements.SpaceBoth)
+	box.AdoptExpand(introText)
+	box.Adopt (
+		elements.NewLine(),
+		elements.NewCheckbox("Oh god", false),
+		elements.NewCheckbox("Can you hear them", true),
+		elements.NewCheckbox("They are in the walls", false),
+		elements.NewCheckbox("They are coming for us", false),
+		disabledCheckbox,
+		vsync, button)
+	window.Adopt(box)
 		
+	button.Focus()
 	window.OnClose(tomo.Stop)
 	window.Show()
 }

examples/clipboard/main.go

@@ -25,9 +25,9 @@ func run () {
 	window, _ := tomo.NewWindow(tomo.Bounds(0, 0, 256, 0))
 	window.SetTitle("Clipboard")
 
-	container := elements.NewVBox(true, true)
+	container := elements.NewVBox(elements.SpaceBoth)
 	textInput := elements.NewTextBox("", "")
-	controlRow := elements.NewHBox(false, true)
+	controlRow := elements.NewHBox(elements.SpaceMargin)
 	copyButton := elements.NewButton("Copy")
 	copyButton.SetIcon(tomo.IconCopy)
 	pasteButton := elements.NewButton("Paste")
@@ -107,11 +107,11 @@ func run () {
 		window.Paste(imageClipboardCallback, validImageTypes...)
 	})
 	
-	container.Adopt(textInput, true)
-	controlRow.Adopt(copyButton, true)
-	controlRow.Adopt(pasteButton, true)
-	controlRow.Adopt(pasteImageButton, true)
-	container.Adopt(controlRow, false)
+	container.AdoptExpand(textInput)
+	controlRow.AdoptExpand(copyButton)
+	controlRow.AdoptExpand(pasteButton)
+	controlRow.AdoptExpand(pasteImageButton)
+	container.Adopt(controlRow)
 	window.Adopt(container)
 		
 	window.OnClose(tomo.Stop)
@@ -121,13 +121,13 @@ func run () {
 func imageWindow (parent tomo.Window, image image.Image) {
 	window, _ := parent.NewModal(tomo.Bounds(0, 0, 0, 0))
 	window.SetTitle("Clipboard Image")
-	container := containers.NewVBox(true, true)
+	container := elements.NewVBox(elements.SpaceBoth)
 	closeButton := elements.NewButton("Ok")
 	closeButton.SetIcon(tomo.IconYes)
 	closeButton.OnClick(window.Close)
 	
-	container.Adopt(elements.NewImage(image), true)
-	container.Adopt(closeButton, false)
+	container.AdoptExpand(elements.NewImage(image))
+	container.Adopt(closeButton)
 	window.Adopt(container)
 	window.Show()
 }