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package main
import (
"github.com/mattn/go-gtk/gdk"
"github.com/mattn/go-gtk/gtk"
)
func colorBox(c *gdk.Color) *gtk.DrawingArea {
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(c)
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
}
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