Made the layout package actually usable

1 files changed, 35 insertions, 0 deletions

diff --git a/examples/layout/label.go b/examples/layout/label.go
new file mode 100644
index 0000000..f46f25f
--- /dev/null
+++ b/examples/layout/label.go
@@ -0,0 +1,35 @@
+package main
+
+import (
+	"image"
+	"image/color"
+	"image/draw"
+
+	"github.com/faiface/gui"
+)
+
+func Label(env gui.Env, theme *Theme, text string, colr color.Color) {
+	textImg := MakeTextImage(text, theme.Face, theme.Text)
+
+	redraw := func(r image.Rectangle) func(draw.Image) image.Rectangle {
+		return func(drw draw.Image) image.Rectangle {
+			draw.Draw(drw, r, &image.Uniform{colr}, image.ZP, draw.Src)
+			DrawLeftCentered(drw, r.Add(image.Pt(5, 0)), textImg, draw.Over)
+			return r
+		}
+	}
+
+	var (
+		r image.Rectangle
+	)
+
+	for e := range env.Events() {
+		switch e := e.(type) {
+		case gui.Resize:
+			r = e.Rectangle
+			env.Draw() <- redraw(r)
+		}
+	}
+
+	close(env.Draw())
+}