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# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
""" Application window example. """
from pyface.api import ApplicationWindow, GUI
from pyface.action.api import Action, MenuManager, MenuBarManager
from pyface.action.api import StatusBarManager, ToolBarManager, Group
class MainWindow(ApplicationWindow):
""" The main application window. """
#: The initial size of the application window.
size = (800, 600)
# ------------------------------------------------------------------------
# 'object' interface.
# ------------------------------------------------------------------------
def __init__(self, **traits):
""" Creates a new application window. """
# Base class constructor.
super().__init__(**traits)
# Create an action that exits the application.
exit_action = Action(name="E&xit", on_perform=self.close)
self.exit_action = exit_action
# Test action to toggle visibility of exit action and some action groups
test_action = Action(name="&Toggle", on_perform=self.toggle)
# Add a menu bar.
self.menu_bar_manager = MenuBarManager(
MenuManager(exit_action, name="&File")
)
# Add some tool bars, with the first one subdivided into action groups
self.tool_bar_managers = [
ToolBarManager(
Group(exit_action, exit_action, id="a"),
Group(id="b"), # empty, so will remain hidden
Group(exit_action, exit_action, id="c"),
Group(exit_action, test_action, exit_action, id="d"),
name="Tool Bar 1",
show_tool_names=True,
),
ToolBarManager(
exit_action, name="Tool Bar 2", show_tool_names=True
),
ToolBarManager(
test_action, name="Tool Bar 3", show_tool_names=True
),
]
# Add a status bar.
self.status_bar_manager = StatusBarManager()
self.status_bar_manager.message = "Example application window"
def toggle(self):
""" Toggle the visibility of the exit action and of the first 3 groups
in the first toolbar, which contain only exit actions.
"""
visible = not self.exit_action.visible
self.exit_action.visible = visible
for group in self.tool_bar_managers[0].groups[:-1]:
group.visible = visible
# Application entry point.
if __name__ == "__main__":
# Create the GUI (this does NOT start the GUI event loop).
gui = GUI()
# Create and open the main window.
window = MainWindow()
window.open()
# Start the GUI event loop!
gui.start_event_loop()
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