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# (C) Copyright 2004-2023 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!
""" Defines the theme style information for a DockWindow and its components.
"""
from pyface.ui_traits import Image
from traits.api import HasPrivateTraits, Bool, Property, cached_property
from .ui_traits import ATheme
class DockWindowTheme(HasPrivateTraits):
"""Defines the theme style information for a DockWindow and its components."""
# -- Public Trait Definitions ---------------------------------------------
#: Use the theme background color as the DockWindow background color?
use_theme_color = Bool(True)
#: Draw notebook tabs at the top (True) or the bottom (False)?
tabs_at_top = Bool(True)
#: Active tab theme:
tab_active = ATheme
#: Inactive tab theme:
tab_inactive = ATheme
#: Optional image to use for right edge of rightmost inactive tab:
tab_inactive_edge = Image
#: Tab hover theme (used for inactive tabs):
tab_hover = ATheme
#: Optional image to use for right edge of rightmost hover tab:
tab_hover_edge = Image
#: Tab background theme:
tab_background = ATheme
#: Tab theme:
tab = ATheme
#: Vertical splitter bar theme:
vertical_splitter = ATheme
#: Horizontal splitter bar theme:
horizontal_splitter = ATheme
#: Vertical drag bar theme:
vertical_drag = ATheme
#: Horizontal drag bar theme:
horizontal_drag = ATheme
#: The bitmap for the 'tab_inactive_edge' image:
tab_inactive_edge_bitmap = Property(observe="tab_inactive_edge")
#: The bitmap for the 'tab_hover_edge' image:
tab_hover_edge_bitmap = Property(observe="tab_hover_edge")
# -- Property Implementations ---------------------------------------------
@cached_property
def _get_tab_inactive_edge_bitmap(self):
image = self.tab_inactive_edge
if image is None:
return None
return image.create_bitmap()
@cached_property
def _get_tab_hover_edge_bitmap(self):
image = self.tab_hover_edge
if image is None:
return self.tab_inactive_edge_bitmap
return image.create_bitmap()
# -------------------------------------------------------------------------
# Default theme handling
# -------------------------------------------------------------------------
#: The current default DockWindow theme
_dock_window_theme = None
def dock_window_theme(theme=None):
"""Get or set the default DockWindow theme."""
global _dock_window_theme
if _dock_window_theme is None:
from .default_dock_window_theme import default_dock_window_theme
_dock_window_theme = default_dock_window_theme
old_theme = _dock_window_theme
if theme is not None:
_dock_window_theme = theme
return old_theme
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