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# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2004-2017 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.
#
# ###########################################################################*/
"""
:mod:`silx.gui.plot.actions.mode` provides a set of QAction relative to mouse
mode of a :class:`.PlotWidget`.
The following QAction are available:
- :class:`ZoomModeAction`
- :class:`PanModeAction`
"""
from __future__ import division
__authors__ = ["V. Valls"]
__license__ = "MIT"
__date__ = "16/08/2017"
from . import PlotAction
import logging
_logger = logging.getLogger(__name__)
class ZoomModeAction(PlotAction):
"""QAction controlling the zoom mode of a :class:`.PlotWidget`.
:param plot: :class:`.PlotWidget` instance on which to operate
:param parent: See :class:`QAction`
"""
def __init__(self, plot, parent=None):
super(ZoomModeAction, self).__init__(
plot, icon='zoom', text='Zoom mode',
tooltip='Zoom in or out',
triggered=self._actionTriggered,
checkable=True, parent=parent)
# Listen to mode change
self.plot.sigInteractiveModeChanged.connect(self._modeChanged)
# Init the state
self._modeChanged(None)
def _modeChanged(self, source):
modeDict = self.plot.getInteractiveMode()
old = self.blockSignals(True)
self.setChecked(modeDict["mode"] == "zoom")
self.blockSignals(old)
def _actionTriggered(self, checked=False):
self.plot.setInteractiveMode('zoom', source=self)
class PanModeAction(PlotAction):
"""QAction controlling the pan mode of a :class:`.PlotWidget`.
:param plot: :class:`.PlotWidget` instance on which to operate
:param parent: See :class:`QAction`
"""
def __init__(self, plot, parent=None):
super(PanModeAction, self).__init__(
plot, icon='pan', text='Pan mode',
tooltip='Pan the view',
triggered=self._actionTriggered,
checkable=True, parent=parent)
# Listen to mode change
self.plot.sigInteractiveModeChanged.connect(self._modeChanged)
# Init the state
self._modeChanged(None)
def _modeChanged(self, source):
modeDict = self.plot.getInteractiveMode()
old = self.blockSignals(True)
self.setChecked(modeDict["mode"] == "pan")
self.blockSignals(old)
def _actionTriggered(self, checked=False):
self.plot.setInteractiveMode('pan', source=self)
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