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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!
# (C) Copyright 2007 Riverbank Computing Limited
# This software is provided without warranty under the terms of the BSD license.
# However, when used with the GPL version of PyQt the additional terms described in the PyQt GPL exception also apply
from traits.api import HasTraits, Int, List, Property, provides, Tuple
from pyface.i_system_metrics import ISystemMetrics, MSystemMetrics
from pyface.qt import QtGui
@provides(ISystemMetrics)
class SystemMetrics(MSystemMetrics, HasTraits):
""" The toolkit specific implementation of a SystemMetrics. See the
ISystemMetrics interface for the API documentation.
"""
# 'ISystemMetrics' interface -------------------------------------------
#: The width of the main screen in pixels.
screen_width = Property(Int)
#: The height of the main screen in pixels.
screen_height = Property(Int)
#: The height and width of each screen in pixels
screen_sizes = Property(List(Tuple(Int, Int)))
#: Background color of a standard dialog window as a tuple of RGB values
#: between 0.0 and 1.0.
dialog_background_color = Property(Tuple)
# ------------------------------------------------------------------------
# Private interface.
# ------------------------------------------------------------------------
def _get_screen_width(self):
screens = self.screen_sizes
if len(screens) == 0:
return 0
else:
return screens[0][0]
def _get_screen_height(self):
screens = self.screen_sizes
if len(screens) == 0:
return 0
else:
return screens[0][1]
def _get_screen_sizes(self):
screens = QtGui.QApplication.instance().screens()
return [
(
screen.availableGeometry().width(),
screen.availableGeometry().height(),
)
for screen in screens
]
def _get_dialog_background_color(self):
color = (
QtGui.QApplication.instance()
.palette()
.color(QtGui.QPalette.ColorRole.Window)
)
return (color.redF(), color.greenF(), color.blueF())
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