separate label widget and style constants

1 files changed, 31 insertions, 0 deletions

diff --git a/gui/widget/label.go b/gui/widget/label.go
new file mode 100644
index 0000000..cc2010f
--- /dev/null
+++ b/gui/widget/label.go
@@ -0,0 +1,31 @@
+package widget
+
+import (
+	"sync"
+	"image"
+	"image/draw"
+
+	"volute/gui"
+	"volute/gui/text"
+	"volute/gui/win"
+)
+
+func Label(str string, r image.Rectangle, env gui.Env, wg *sync.WaitGroup) {
+	defer wg.Done()
+	defer close(env.Draw())
+
+	redraw := func(drw draw.Image) image.Rectangle {
+		text.Draw([]byte(str), drw, r, BLACK, WHITE)
+		return r
+	}
+
+	env.Draw() <- redraw
+	for event := range env.Events() {
+		switch event := event.(type) {
+		case win.WiFocus:
+			if event.Focused {
+				env.Draw() <- redraw
+			}
+		}
+	}
+}