python gtk examples

example1.py

from gi.repository import Gtk


class MyDemoApp():

    def __init__(self):
        window = Gtk.Window()
        window.set_title("My demo window")
        window.set_default_size(500, 300)
        window.set_position(Gtk.WindowPosition.CENTER)
        window.connect('destroy', self.destroy)

        button = Gtk.Button("Hit me!")
        button.connect("clicked", self.button_clicked)
        window.add(button)

        window.show_all()

    def button_clicked(self, window):
        print 'Ouch! Dohh!'

    def destroy(self, window):
        Gtk.main_quit()

def main():
    app = MyDemoApp()
    Gtk.main()


if __name__ == '__main__':
    main()

example2.py

from gi.repository import Gtk
import os
import sys


class PhotoApp():

    def __init__(self):
        window = Gtk.Window()
        window.set_title("Marvin PhotoApp")
        window.set_default_size(500, 300)
        window.set_position(Gtk.WindowPosition.CENTER)
        window.connect('destroy', self.destroy)

        box = Gtk.Box()
        box.set_spacing(5)
        box.set_orientation(Gtk.Orientation.VERTICAL)
        window.add(box)

        self.image = Gtk.Image()
        box.add(self.image)

        button = Gtk.Button("Open a photo ...")
        button.connect("clicked", self.on_open_clicked)
        box.add(button)

        window.show_all()

    def on_open_clicked(self, button):
        dialog = Gtk.FileChooserDialog("Open Image", button.get_toplevel(), Gtk.FileChooserAction.OPEN)
        dialog.add_button(Gtk.STOCK_CANCEL, 0)
        dialog.add_button(Gtk.STOCK_OPEN, 1)
        dialog.set_default_response(1)

        filefilter = Gtk.FileFilter()
        filefilter.add_pixbuf_formats()

        dialog.set_filter(filefilter)

        if dialog.run() == 1:
            self.image.set_from_file(dialog.get_filename())
        dialog.destroy()

    def destroy(self, window):
        Gtk.main_quit()


def main():
    app = PhotoApp()
    Gtk.main()

if __name__ == '__main__':
    main()

sample1.py

# examples from redhat gtk page
from gi.repository import Gtk


class MyWindow(Gtk.Window):

    def __init__(self):
        Gtk.Window.__init__(self, title="Hello World")

        self.button = Gtk.Button(label="Click Here")
        self.button.connect("clicked", self.on_button_clicked)
        self.add(self.button)

    def on_button_clicked(self, widget):
        print "Hello World!"

win = MyWindow()
win.connect("delete-event", Gtk.main_quit)
win.show_all()
Gtk.main()