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#------------------------------------------------------------------------------
# Copyright (c) 2007, Riverbank Computing Limited
# All rights reserved.
#
# 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
#
# Author: Riverbank Computing Limited
# Description: <Enthought pyface package component>
#------------------------------------------------------------------------------
# Major package imports.
from pyface.qt import QtCore, QtGui
# Enthought library imports.
from traits.api import Bool, Enum, Int, provides, Str, Unicode
# Local imports.
from pyface.i_dialog import IDialog, MDialog
from pyface.constant import OK, CANCEL, YES, NO
from .window import Window
# Map PyQt dialog related constants to the pyface equivalents.
_RESULT_MAP = {
int(QtGui.QDialog.Accepted): OK,
int(QtGui.QDialog.Rejected): CANCEL,
int(QtGui.QMessageBox.Ok): OK,
int(QtGui.QMessageBox.Cancel): CANCEL,
int(QtGui.QMessageBox.Yes): YES,
int(QtGui.QMessageBox.No): NO
}
@provides(IDialog)
class Dialog(MDialog, Window):
""" The toolkit specific implementation of a Dialog. See the IDialog
interface for the API documentation.
"""
#### 'IDialog' interface ##################################################
cancel_label = Unicode
help_id = Str
help_label = Unicode
ok_label = Unicode
resizeable = Bool(True)
return_code = Int(OK)
style = Enum('modal', 'nonmodal')
#### 'IWindow' interface ##################################################
title = Unicode("Dialog")
###########################################################################
# Protected 'IDialog' interface.
###########################################################################
def _create_buttons(self, parent):
buttons = QtGui.QDialogButtonBox()
# 'OK' button.
if self.ok_label:
btn = buttons.addButton(self.ok_label,
QtGui.QDialogButtonBox.AcceptRole)
else:
btn = buttons.addButton(QtGui.QDialogButtonBox.Ok)
btn.setDefault(True)
btn.clicked.connect(self.control.accept)
# 'Cancel' button.
if self.cancel_label:
btn = buttons.addButton(self.cancel_label,
QtGui.QDialogButtonBox.RejectRole)
else:
btn = buttons.addButton(QtGui.QDialogButtonBox.Cancel)
btn.clicked.connect(self.control.reject)
# 'Help' button.
# FIXME v3: In the original code the only possible hook into the help
# was to reimplement self._on_help(). However this was a private
# method. Obviously nobody uses the Help button. For the moment we
# display it but can't actually use it.
if len(self.help_id) > 0:
if self.help_label:
buttons.addButton(self.help_label, QtGui.QDialogButtonBox.HelpRole)
else:
buttons.addButton(QtGui.QDialogButtonBox.Help)
return buttons
def _create_contents(self, parent):
layout = QtGui.QVBoxLayout()
if not self.resizeable:
layout.setSizeConstraint(QtGui.QLayout.SetFixedSize)
layout.addWidget(self._create_dialog_area(parent))
layout.addWidget(self._create_buttons(parent))
parent.setLayout(layout)
def _create_dialog_area(self, parent):
panel = QtGui.QWidget(parent)
panel.setMinimumSize(QtCore.QSize(100, 200))
palette = panel.palette()
palette.setColor(QtGui.QPalette.Window, QtGui.QColor('red'))
panel.setPalette(palette)
panel.setAutoFillBackground(True)
return panel
def _show_modal(self):
self.control.setWindowModality(QtCore.Qt.ApplicationModal)
retval = self.control.exec_()
return _RESULT_MAP[retval]
###########################################################################
# Protected 'IWidget' interface.
###########################################################################
def _create_control(self, parent):
dlg = QtGui.QDialog(parent)
# Setting return code and firing close events is handled for 'modal' in
# MDialog's open method. For 'nonmodal', we do it here.
if self.style == 'nonmodal':
dlg.finished.connect(self._finished_fired)
if self.size != (-1, -1):
dlg.resize(*self.size)
if self.position != (-1, -1):
dlg.move(*self.position)
dlg.setWindowTitle(self.title)
return dlg
###########################################################################
# Private interface.
###########################################################################
def _finished_fired(self, result):
""" Called when the dialog is closed (and nonmodal). """
self.return_code = _RESULT_MAP[result]
self.close()
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