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# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2015-2017 European Synchrotron Radiation Facility
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# ###########################################################################*/
"""This module provides a toolbar to control Plot3DWidget viewpoint."""
from __future__ import absolute_import
__authors__ = ["T. Vincent"]
__license__ = "MIT"
__date__ = "08/09/2017"
from silx.gui import qt
from silx.gui.icons import getQIcon
class _ViewpointActionGroup(qt.QActionGroup):
"""ActionGroup of actions to reset the viewpoint.
As for QActionGroup, add group's actions to the widget with:
`widget.addActions(actionGroup.actions())`
:param Plot3DWidget plot3D: The widget for which to control the viewpoint
:param parent: See :class:`QActionGroup`
"""
# Action information: icon name, text, tooltip
_RESET_CAMERA_ACTIONS = (
('cube-front', 'Front', 'View along the -Z axis'),
('cube-back', 'Back', 'View along the +Z axis'),
('cube-top', 'Top', 'View along the -Y'),
('cube-bottom', 'Bottom', 'View along the +Y'),
('cube-right', 'Right', 'View along the -X'),
('cube-left', 'Left', 'View along the +X'),
('cube', 'Side', 'Side view')
)
def __init__(self, plot3D, parent=None):
super(_ViewpointActionGroup, self).__init__(parent)
self.setExclusive(False)
self._plot3D = plot3D
for actionInfo in self._RESET_CAMERA_ACTIONS:
iconname, text, tooltip = actionInfo
action = qt.QAction(getQIcon(iconname), text, None)
action.setIconVisibleInMenu(True)
action.setCheckable(False)
action.setToolTip(tooltip)
self.addAction(action)
self.triggered[qt.QAction].connect(self._actionGroupTriggered)
def _actionGroupTriggered(self, action):
actionname = action.text().lower()
self._plot3D.viewport.camera.extrinsic.reset(face=actionname)
self._plot3D.centerScene()
class ViewpointToolBar(qt.QToolBar):
"""A toolbar providing icons to reset the viewpoint.
:param parent: See :class:`QToolBar`
:param Plot3DWidget plot3D: The widget to control
:param str title: Title of the toolbar
"""
def __init__(self, parent=None, plot3D=None, title='Viewpoint control'):
super(ViewpointToolBar, self).__init__(title, parent)
self._actionGroup = _ViewpointActionGroup(plot3D)
assert plot3D is not None
self._plot3D = plot3D
self.addActions(self._actionGroup.actions())
# Choosing projection disabled for now
# Add projection combo box
# comboBoxProjection = qt.QComboBox()
# comboBoxProjection.addItem('Perspective')
# comboBoxProjection.addItem('Parallel')
# comboBoxProjection.setToolTip(
# 'Choose the projection:'
# ' perspective or parallel (i.e., orthographic)')
# comboBoxProjection.currentIndexChanged[(str)].connect(
# self._comboBoxProjectionCurrentIndexChanged)
# self.addWidget(qt.QLabel('Projection:'))
# self.addWidget(comboBoxProjection)
# def _comboBoxProjectionCurrentIndexChanged(self, text):
# """Projection combo box listener"""
# self._plot3D.setProjection(
# 'perspective' if text == 'Perspective' else 'orthographic')
class ViewpointToolButton(qt.QToolButton):
"""A toolbutton with a drop-down list of ways to reset the viewpoint.
:param parent: See :class:`QToolButton`
:param Plot3DWiddget plot3D: The widget to control
"""
def __init__(self, parent=None, plot3D=None):
super(ViewpointToolButton, self).__init__(parent)
self._actionGroup = _ViewpointActionGroup(plot3D)
menu = qt.QMenu(self)
menu.addActions(self._actionGroup.actions())
self.setMenu(menu)
self.setPopupMode(qt.QToolButton.InstantPopup)
self.setIcon(getQIcon('cube'))
self.setToolTip('Reset the viewpoint to a defined position')
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