ui: rename block to macro

It is a more precise name.

Signed-off-by: Elias Naur <mail@eliasnaur.com>

ui/text/editor.go

@@ -28,9 +28,9 @@ type Editor struct {
 	SingleLine bool
 	Submit     bool
 
-	Material     ui.BlockOp
+	Material     ui.MacroOp
 	Hint         string
-	HintMaterial ui.BlockOp
+	HintMaterial ui.MacroOp
 
 	oldScale          int
 	blinkStart        time.Time

ui/text/label.go

@@ -18,7 +18,7 @@ import (
 
 type Label struct {
 	Face      Face
-	Material  ui.BlockOp
+	Material  ui.MacroOp
 	Alignment Alignment
 	Text      string
 	MaxLines  int

ui/text/measure.go

@@ -40,7 +40,7 @@ type LayoutOptions struct {
 
 type Face interface {
 	Layout(str string, opts LayoutOptions) *Layout
-	Path(str String) ui.BlockOp
+	Path(str String) ui.MacroOp
 }
 
 type Alignment uint8