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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!
""" The 'null' backend specific implementation of the tool bar manager.
"""
from traits.api import Bool, Enum, Instance, Tuple
from pyface.image_cache import ImageCache
from pyface.action.action_manager import ActionManager
class ToolBarManager(ActionManager):
""" A tool bar manager realizes itself in errr, a tool bar control. """
# 'ToolBarManager' interface -------------------------------------------
# The size of tool images (width, height).
image_size = Tuple((16, 16))
# The orientation of the toolbar.
orientation = Enum("horizontal", "vertical")
# Should we display the name of each tool bar tool under its image?
show_tool_names = Bool(True)
# Should we display the horizontal divider?
show_divider = Bool(True)
# Private interface ----------------------------------------------------
# Cache of tool images (scaled to the appropriate size).
_image_cache = Instance(ImageCache)
# ------------------------------------------------------------------------
# 'object' interface.
# ------------------------------------------------------------------------
def __init__(self, *args, **traits):
""" Creates a new tool bar manager. """
# Base class contructor.
super().__init__(*args, **traits)
# An image cache to make sure that we only load each image used in the
# tool bar exactly once.
self._image_cache = ImageCache(self.image_size[0], self.image_size[1])
return
# ------------------------------------------------------------------------
# 'ToolBarManager' interface.
# ------------------------------------------------------------------------
def create_tool_bar(self, parent, controller=None):
""" Creates a tool bar. """
# If a controller is required it can either be set as a trait on the
# tool bar manager (the trait is part of the 'ActionManager' API), or
# passed in here (if one is passed in here it takes precedence over the
# trait).
if controller is None:
controller = self.controller
return None
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