From 430f97bed9d758de90a72b0c06b2be1989ba2b1d Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Tue, 10 Feb 2026 16:56:06 -0500
Subject: add rows layout

---
 test/rows/main.go | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 test/rows/main.go

(limited to 'test/rows/main.go')

diff --git a/test/rows/main.go b/test/rows/main.go
new file mode 100644
index 0000000..9848ddf
--- /dev/null
+++ b/test/rows/main.go
@@ -0,0 +1,61 @@
+package main
+
+import (
+	"image"
+	"image/color"
+	"image/draw"
+
+	"github.com/faiface/gui"
+	"github.com/faiface/gui/layout"
+	"github.com/faiface/gui/win"
+	"github.com/faiface/mainthread"
+)
+
+const (
+	nrows     = 16
+	rowHeight = 12
+	rowWidth  = 128
+)
+
+var bg = gui.HexToColor("#ffffea") // background color
+
+func main() {
+	mainthread.Run(run)
+}
+
+func run() {
+	w, err := win.New(win.Title("Grid Layout Test"), win.Resizable())
+	if err != nil {
+		panic(err)
+	}
+
+	mux, env := gui.NewMux(w)
+
+	rows := layout.NewRows(mux.MakeEnv(), nrows, layout.Background(bg))
+	for i, row := range rows {
+		go colorBlock(row, image.Pt(rowWidth, rowHeight), color.RGBA{uint8(i * 256 / 4), 0x20, 0x20, 0xFF})
+	}
+
+	for event := range env.Events() {
+		switch event.(type) {
+		case win.WiClose:
+			close(env.Draw())
+			return
+		}
+	}
+}
+
+func colorBlock(env gui.Env, size image.Point, c color.Color) {
+	redraw := func(img draw.Image) image.Rectangle {
+		r := image.Rectangle{img.Bounds().Min, img.Bounds().Min.Add(size)}
+		draw.Draw(img, r, &image.Uniform{c}, image.ZP, draw.Src)
+		return r
+	}
+	for event := range env.Events() {
+		switch event.(type) {
+		case gui.Resize:
+			env.Draw() <- redraw
+		}
+	}
+	close(env.Draw())
+}
-- 
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