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#------------------------------------------------------------------------------
# Copyright (c) 2017-19, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/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!
#
# Author: Enthought, Inc.
# Description: <Enthought pyface package component>
#------------------------------------------------------------------------------
""" The Qt-specific implementation of the text field class """
from __future__ import (
absolute_import, division, print_function, unicode_literals
)
from traits.api import Any, Instance, Unicode, provides
from pyface.qt.QtCore import Qt
from pyface.fields.i_field import IField, MField
from pyface.ui.qt4.widget import Widget
@provides(IField)
class Field(MField, Widget):
""" The Qt-specific implementation of the field class
This is an abstract class which is not meant to be instantiated.
"""
#: The value held by the field.
value = Any
#: A tooltip for the field.
tooltip = Unicode
#: An optional context menu for the field.
context_menu = Instance('pyface.action.menu_manager.MenuManager')
# ------------------------------------------------------------------------
# Private interface
# ------------------------------------------------------------------------
def _get_control_tooltip(self):
""" Toolkit specific method to get the control's tooltip. """
return self.control.toolTip()
def _set_control_tooltip(self, tooltip):
""" Toolkit specific method to set the control's tooltip. """
self.control.setToolTip(tooltip)
def _observe_control_context_menu(self, remove=False):
""" Toolkit specific method to change the control menu observer. """
if remove:
self.control.setContextMenuPolicy(Qt.DefaultContextMenu)
self.control.customContextMenuRequested.disconnect(
self._handle_control_context_menu)
else:
self.control.customContextMenuRequested.connect(
self._handle_control_context_menu)
self.control.setContextMenuPolicy(Qt.CustomContextMenu)
def _handle_control_context_menu(self, pos):
""" Signal handler for displaying context menu. """
if self.control is not None and self.context_menu is not None:
menu = self.context_menu.create_menu(self.control)
menu.show(pos.x(), pos.y())
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