1 files changed, 100 insertions, 0 deletions
diff --git a/silx/gui/plot/actions/mode.py b/silx/gui/plot/actions/mode.py
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+++ b/silx/gui/plot/actions/mode.py
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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)