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from ...Qt import QtCore, QtGui, QtWidgets
from ...WidgetGroup import WidgetGroup
from . import axisCtrlTemplate_generic as ui_template
import weakref
translate = QtCore.QCoreApplication.translate
class ViewBoxMenu(QtWidgets.QMenu):
def __init__(self, view):
QtWidgets.QMenu.__init__(self)
self.view = weakref.ref(view) ## keep weakref to view to avoid circular reference (don't know why, but this prevents the ViewBox from being collected)
self.valid = False ## tells us whether the ui needs to be updated
self.viewMap = weakref.WeakValueDictionary() ## weakrefs to all views listed in the link combos
self.setTitle(translate("ViewBox", "ViewBox options"))
self.viewAll = QtGui.QAction(translate("ViewBox", "View All"), self)
self.viewAll.triggered.connect(self.autoRange)
self.addAction(self.viewAll)
self.ctrl = []
self.widgetGroups = []
self.dv = QtGui.QDoubleValidator(self)
for axis in 'XY':
m = self.addMenu(f"{axis} {translate('ViewBox', 'axis')}")
w = QtWidgets.QWidget()
ui = ui_template.Ui_Form()
ui.setupUi(w)
a = QtWidgets.QWidgetAction(self)
a.setDefaultWidget(w)
m.addAction(a)
self.ctrl.append(ui)
wg = WidgetGroup(w)
self.widgetGroups.append(wg)
connects = [
(ui.mouseCheck.toggled, 'MouseToggled'),
(ui.manualRadio.clicked, 'ManualClicked'),
(ui.minText.editingFinished, 'RangeTextChanged'),
(ui.maxText.editingFinished, 'RangeTextChanged'),
(ui.autoRadio.clicked, 'AutoClicked'),
(ui.autoPercentSpin.valueChanged, 'AutoSpinChanged'),
(ui.linkCombo.currentIndexChanged, 'LinkComboChanged'),
(ui.autoPanCheck.toggled, 'AutoPanToggled'),
(ui.visibleOnlyCheck.toggled, 'VisibleOnlyToggled')
]
for sig, fn in connects:
sig.connect(getattr(self, axis.lower()+fn))
self.ctrl[0].invertCheck.toggled.connect(self.xInvertToggled)
self.ctrl[1].invertCheck.toggled.connect(self.yInvertToggled)
leftMenu = self.addMenu(translate("ViewBox", "Mouse Mode"))
group = QtGui.QActionGroup(self)
group.triggered.connect(self.setMouseMode)
pan = QtGui.QAction(translate("ViewBox", "3 button"), group)
zoom = QtGui.QAction(translate("ViewBox", "1 button"), group)
pan.setCheckable(True)
zoom.setCheckable(True)
leftMenu.addActions(group.actions())
self.mouseModes = [pan, zoom]
self.view().sigStateChanged.connect(self.viewStateChanged)
self.updateState()
@QtCore.Slot()
def viewStateChanged(self):
self.valid = False
if self.ctrl[0].minText.isVisible() or self.ctrl[1].minText.isVisible():
self.updateState()
def updateState(self):
## Something about the viewbox has changed; update the menu GUI
state = self.view().getState(copy=False)
if state['mouseMode'] == ViewBox.PanMode:
self.mouseModes[0].setChecked(True)
else:
self.mouseModes[1].setChecked(True)
for i in [0,1]: # x, y
tr = state['targetRange'][i]
self.ctrl[i].minText.setText("%0.5g" % tr[0])
self.ctrl[i].maxText.setText("%0.5g" % tr[1])
if state['autoRange'][i] is not False:
self.ctrl[i].autoRadio.setChecked(True)
if state['autoRange'][i] is not True:
self.ctrl[i].autoPercentSpin.setValue(int(state['autoRange'][i] * 100))
else:
self.ctrl[i].manualRadio.setChecked(True)
self.ctrl[i].mouseCheck.setChecked(state['mouseEnabled'][i])
## Update combo to show currently linked view
c = self.ctrl[i].linkCombo
c.blockSignals(True)
try:
view = state['linkedViews'][i] ## will always be string or None
if view is None:
view = ''
ind = c.findText(view)
if ind == -1:
ind = 0
c.setCurrentIndex(ind)
finally:
c.blockSignals(False)
self.ctrl[i].autoPanCheck.setChecked(state['autoPan'][i])
self.ctrl[i].visibleOnlyCheck.setChecked(state['autoVisibleOnly'][i])
xy = ['x', 'y'][i]
self.ctrl[i].invertCheck.setChecked(state.get(xy+'Inverted', False))
self.valid = True
def popup(self, *args):
if not self.valid:
self.updateState()
QtWidgets.QMenu.popup(self, *args)
@QtCore.Slot()
def autoRange(self):
self.view().autoRange() ## don't let signal call this directly--it'll add an unwanted argument
@QtCore.Slot(bool)
def xMouseToggled(self, b):
self.view().setMouseEnabled(x=b)
@QtCore.Slot()
def xManualClicked(self):
self.view().enableAutoRange(ViewBox.XAxis, False)
@QtCore.Slot()
def xRangeTextChanged(self):
self.ctrl[0].manualRadio.setChecked(True)
self.view().setXRange(*self._validateRangeText(0), padding=0)
@QtCore.Slot()
def xAutoClicked(self):
val = self.ctrl[0].autoPercentSpin.value() * 0.01
self.view().enableAutoRange(ViewBox.XAxis, val)
@QtCore.Slot(int)
def xAutoSpinChanged(self, val):
self.ctrl[0].autoRadio.setChecked(True)
self.view().enableAutoRange(ViewBox.XAxis, val*0.01)
@QtCore.Slot(int)
def xLinkComboChanged(self, ind):
self.view().setXLink(str(self.ctrl[0].linkCombo.currentText()))
@QtCore.Slot(bool)
def xAutoPanToggled(self, b):
self.view().setAutoPan(x=b)
@QtCore.Slot(bool)
def xVisibleOnlyToggled(self, b):
self.view().setAutoVisible(x=b)
@QtCore.Slot(bool)
def yMouseToggled(self, b):
self.view().setMouseEnabled(y=b)
@QtCore.Slot()
def yManualClicked(self):
self.view().enableAutoRange(ViewBox.YAxis, False)
@QtCore.Slot()
def yRangeTextChanged(self):
self.ctrl[1].manualRadio.setChecked(True)
self.view().setYRange(*self._validateRangeText(1), padding=0)
@QtCore.Slot()
def yAutoClicked(self):
val = self.ctrl[1].autoPercentSpin.value() * 0.01
self.view().enableAutoRange(ViewBox.YAxis, val)
@QtCore.Slot(int)
def yAutoSpinChanged(self, val):
self.ctrl[1].autoRadio.setChecked(True)
self.view().enableAutoRange(ViewBox.YAxis, val*0.01)
@QtCore.Slot(int)
def yLinkComboChanged(self, ind):
self.view().setYLink(str(self.ctrl[1].linkCombo.currentText()))
@QtCore.Slot(bool)
def yAutoPanToggled(self, b):
self.view().setAutoPan(y=b)
@QtCore.Slot(bool)
def yVisibleOnlyToggled(self, b):
self.view().setAutoVisible(y=b)
@QtCore.Slot(bool)
def yInvertToggled(self, b):
self.view().invertY(b)
@QtCore.Slot(bool)
def xInvertToggled(self, b):
self.view().invertX(b)
@QtCore.Slot(QtGui.QAction)
def setMouseMode(self, action):
mode = None
if action == self.mouseModes[0]:
mode = 'pan'
elif action == self.mouseModes[1]:
mode = 'rect'
if mode is not None:
self.view().setLeftButtonAction(mode)
def setViewList(self, views):
names = ['']
self.viewMap.clear()
## generate list of views to show in the link combo
for v in views:
name = v.name
if name is None: ## unnamed views do not show up in the view list (although they are linkable)
continue
names.append(name)
self.viewMap[name] = v
for i in [0,1]:
c = self.ctrl[i].linkCombo
current = c.currentText()
c.blockSignals(True)
changed = True
try:
c.clear()
for name in names:
c.addItem(name)
if name == current:
changed = False
c.setCurrentIndex(c.count()-1)
finally:
c.blockSignals(False)
if changed:
c.setCurrentIndex(0)
c.currentIndexChanged.emit(c.currentIndex())
def _validateRangeText(self, axis):
"""Validate range text inputs. Return current value(s) if invalid."""
inputs = (self.ctrl[axis].minText.text(),
self.ctrl[axis].maxText.text())
vals = self.view().viewRange()[axis]
for i, text in enumerate(inputs):
try:
vals[i] = float(text)
except ValueError:
# could not convert string to float
pass
return vals
from .ViewBox import ViewBox
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