gtk auto change focus

1 files changed, 54 insertions, 0 deletions

diff --git a/010-gtk-auto-scan/example.py b/010-gtk-auto-scan/example.py
new file mode 100755
index 0000000..22b5132
--- /dev/null
+++ b/010-gtk-auto-scan/example.py
@@ -0,0 +1,54 @@
+#!/usr/bin/python
+import gtk
+import gobject
+
+
+OPTIONS = ['a', 'b', 'c', 'd']
+OPT_LENGHT = 4
+DELAY = 1000
+
+
+class MyApp():
+
+    def __init__(self):
+        window = gtk.Window()
+        vbox = gtk.VBox()
+        hbox = gtk.HBox()
+        label = gtk.Label()
+
+        window.connect('destroy', self.destroy)
+
+        window.add(vbox)
+        vbox.add(label)
+        vbox.add(hbox)
+
+        for option in OPTIONS:
+            button = gtk.Button()
+            button.set_label(option)
+            button.connect('activate', self.__button_cb, label, option)
+
+            hbox.add(button)
+
+        window.show_all()
+
+        self._button_index = 0
+        gobject.timeout_add(DELAY, self.__timeout_cb, hbox)
+
+    def destroy(self, window, data=None):
+        gtk.main_quit()
+
+    def __button_cb(self, button, label, option):
+        label.set_text(option)
+
+    def __timeout_cb(self, hbox):
+        self._button_index = (self._button_index + 1) % OPT_LENGHT
+
+        buttons = hbox.get_children()
+        button = buttons[self._button_index]
+        button.grab_focus()
+
+        return True
+
+if __name__ == "__main__":
+    my_app = MyApp()
+    gtk.main()