added libhandy

examples/gtk3/handy.nim

@@ -0,0 +1,31 @@
+# https://gitlab.gnome.org/GNOME/libhandy/-/blob/master/examples/example.py
+# nim c --gc:arc handy.nim
+import gintro/[gtk, gobject, handy]
+
+proc main =
+  gtk.init()
+  handy.init()
+  let window = gtk.newWindow()
+  let vbox = newBox(Orientation.vertical, 0)
+  let entry = newEntry()
+  let keypad = handy.newKeypad(symbolsVisible = true, lettersVisible = true)
+  window.title = "Keypad Example with Nim"
+  vbox.add(entry) # widget to show dialed number
+  vbox.add(keypad)
+  vbox.setHalign(gtk.Align.center)
+  vbox.setValign(gtk.Align.center)
+  vbox.marginStart = 18
+  vbox.marginEnd = 18
+  vbox.marginTop = 18
+  vbox.marginBottom = 18
+  vbox.spacing = 18
+  keypad.setRowSpacing(6)
+  keypad.setColumnSpacing(6)
+  keypad.setEntry(entry) # attach the entry widget
+  window.connect("destroy", gtk.mainQuit)
+  window.add(vbox)
+  window.showAll()
+  gtk.main()
+  
+main()
+