PyGObject Dialog Example

dialog.glade

<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated with glade 3.16.1 -->
<interface>
  <requires lib="gtk+" version="3.10"/>
  <object class="GtkDialog" id="dialog">
    <property name="can_focus">False</property>
    <property name="title" translatable="yes">Entry Dialog</property>
    <property name="window_position">center-on-parent</property>
    <property name="type_hint">dialog</property>
    <child internal-child="vbox">
      <object class="GtkBox" id="dialog_body">
        <property name="can_focus">False</property>
        <property name="margin_left">20</property>
        <property name="margin_right">20</property>
        <property name="margin_top">20</property>
        <property name="margin_bottom">20</property>
        <property name="orientation">vertical</property>
        <property name="spacing">2</property>
        <child internal-child="action_area">
          <object class="GtkButtonBox" id="actions">
            <property name="can_focus">False</property>
            <property name="layout_style">end</property>
            <child>
              <object class="GtkButton" id="cancel">
                <property name="label">gtk-cancel</property>
                <property name="visible">True</property>
                <property name="can_focus">True</property>
                <property name="receives_default">True</property>
                <property name="use_stock">True</property>
              </object>
              <packing>
                <property name="expand">False</property>
                <property name="fill">True</property>
                <property name="position">0</property>
              </packing>
            </child>
            <child>
              <object class="GtkButton" id="ok">
                <property name="label">gtk-ok</property>
                <property name="visible">True</property>
                <property name="can_focus">True</property>
                <property name="receives_default">True</property>
                <property name="use_stock">True</property>
              </object>
              <packing>
                <property name="expand">False</property>
                <property name="fill">True</property>
                <property name="position">1</property>
              </packing>
            </child>
          </object>
          <packing>
            <property name="expand">False</property>
            <property name="fill">True</property>
            <property name="pack_type">end</property>
            <property name="position">0</property>
          </packing>
        </child>
        <child>
          <object class="GtkEntry" id="entry">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
          </object>
          <packing>
            <property name="expand">False</property>
            <property name="fill">True</property>
            <property name="position">1</property>
          </packing>
        </child>
      </object>
    </child>
    <action-widgets>
      <action-widget response="-1">cancel</action-widget>
      <action-widget response="0">ok</action-widget>
    </action-widgets>
  </object>
  <object class="GtkWindow" id="window">
    <property name="can_focus">False</property>
    <property name="title" translatable="yes">Dialog Test</property>
    <property name="window_position">center-always</property>
    <child>
      <object class="GtkBox" id="body">
        <property name="visible">True</property>
        <property name="can_focus">False</property>
        <property name="margin_left">20</property>
        <property name="margin_right">20</property>
        <property name="margin_top">20</property>
        <property name="margin_bottom">20</property>
        <property name="orientation">vertical</property>
        <property name="spacing">5</property>
        <property name="homogeneous">True</property>
        <child>
          <object class="GtkLabel" id="label">
            <property name="visible">True</property>
            <property name="can_focus">False</property>
            <property name="label" translatable="yes">Click to open dialog</property>
          </object>
          <packing>
            <property name="expand">False</property>
            <property name="fill">True</property>
            <property name="position">0</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="button">
            <property name="label" translatable="yes">Show dialog</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <signal name="clicked" handler="_btn_cb" swapped="no"/>
          </object>
          <packing>
            <property name="expand">False</property>
            <property name="fill">True</property>
            <property name="position">1</property>
          </packing>
        </child>
      </object>
    </child>
  </object>
</interface>

dialog.py

# -*- coding:utf-8 -*-
#
# Copyright (C) 2014 Carlos Jenkins <carlos@jenkins.co.cr>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

"""
PyGObject example on how to retrieve text from a dialog using
Glade and GtkBuilder.

Check dependencies are installed:

    sudo apt-get install python2.7 python-gi gir1.2-gtk-3.0

To execute:

    python dialog.py
"""

from gi.repository import Gtk
from os.path import abspath, dirname, join

WHERE_AM_I = abspath(dirname(__file__))


class MyApp(object):

    def __init__(self):
        """
        Build GUI
        """
        # Build GUI from Glade file
        self.builder = Gtk.Builder()
        self.glade_file = join(WHERE_AM_I, 'dialog.glade')
        self.builder.add_from_file(self.glade_file)

        # Get objects
        go = self.builder.get_object
        self.window = go('window')
        self.dialog = go('dialog')
        self.label = go('label')
        self.entry = go('entry')

        # Connect signals
        self.builder.connect_signals(self)

        # Configure interface
        self.window.connect('delete-event', lambda x, y: Gtk.main_quit())

        # Everything is ready
        self.window.show()

    def _btn_cb(self, widget, data=None):
        """
        Button callback
        """
        ret = self.dialog.run()
        self.dialog.hide()
        if ret == 0:
            self.label.set_text(
                self.entry.get_text()
            )

if __name__ == '__main__':
    gui = MyApp()
    Gtk.main()