Initial commit

General idea of GUI is already there.

1 files changed, 36 insertions, 0 deletions

diff --git a/colorbox.go b/colorbox.go
new file mode 100644
index 0000000..a9d1583
--- /dev/null
+++ b/colorbox.go
@@ -0,0 +1,36 @@
+package main
+
+import (
+	"fmt"
+	"github.com/mattn/go-gtk/gdk"
+	"github.com/mattn/go-gtk/gtk"
+	"image/color"
+)
+
+func colorBox(c color.Color) *gtk.DrawingArea {
+	r, g, b, _ := c.RGBA()
+	colstring := fmt.Sprintf("#%02x%02x%02x", (r>>8)&0xff, (g>>8)&0xff, (b>>8)&0xff)
+
+	dArea := gtk.NewDrawingArea()
+	var pixmap *gdk.Pixmap
+	var gc *gdk.GC
+
+	dArea.Connect("configure-event", func() {
+		if pixmap != nil {
+			pixmap.Unref()
+		}
+		alloc := dArea.GetAllocation()
+		pixmap = gdk.NewPixmap(dArea.GetWindow().GetDrawable(), alloc.Width, alloc.Height, 24)
+		gc = gdk.NewGC(pixmap.GetDrawable())
+		gc.SetRgbFgColor(gdk.NewColor(colstring))
+		pixmap.GetDrawable().DrawRectangle(gc, true, 0, 0, -1, -1)
+	})
+
+	dArea.Connect("expose-event", func() {
+		if pixmap != nil {
+			dArea.GetWindow().GetDrawable().DrawDrawable(gc, pixmap.GetDrawable(), 0, 0, 0, 0, -1, -1)
+		}
+	})
+
+	return dArea
+}