class selectableROI(object):
""" A ROI class that can be used with a multiRoiViewbox """
sigRemoveRequested = QtCore.Signal(object)
sigCopyRequested = QtCore.Signal(object)
sigSaveRequested = QtCore.Signal(object)
def __init__(self):
self.penActive = fn.mkPen( 0, 255, 0)
self.penInactive = fn.mkPen(255, 0, 0)
self.penHover = fn.mkPen(255, 255, 0)
self.penActive.setWidth(1)
self.penInactive.setWidth(1)
self.penHover.setWidth(1)
self.setName()
self.isSelected = False
self.menu = None
self.setActive(True)
def setActive(self,isActive):
self.isActive = isActive
if isActive:
self.setAcceptedMouseButtons(QtCore.Qt.LeftButton or QtCore.Qt.RightButton)
else:
self.setAcceptedMouseButtons(QtCore.Qt.NoButton)
def __lt__(self,other):
selfid = int(self.name.split('-')[-1])
otherid = int(other.name.split('-')[-1])
return selfid < otherid
def setName(self,name=None):
self.name = name
def removeClicked(self):
self.sigRemoveRequested.emit(self)
def copyClicked(self):
self.sigCopyRequested.emit(self)
def saveClicked(self):
self.sigSaveRequested.emit(self)
def hoverEvent(self, ev):
hover = False
if not ev.isExit():
if self.translatable and ev.acceptDrags(QtCore.Qt.LeftButton):
hover=True
for btn in [QtCore.Qt.LeftButton, QtCore.Qt.RightButton, QtCore.Qt.MidButton]:
if int(self.acceptedMouseButtons() & btn) > 0 and ev.acceptClicks(btn):
hover=True
if self.contextMenuEnabled():
ev.acceptClicks(QtCore.Qt.RightButton)
if hover:
self.setMouseHover(True)
self.sigHoverEvent.emit(self)
ev.acceptClicks(QtCore.Qt.RightButton)
else:
self.setMouseHover(False)
def mouseDragEvent(self, ev):
if ev.isStart():
# Drag using left button only if selected
if ev.button() == QtCore.Qt.LeftButton:
if self.translatable:
self.isMoving = True
self.preMoveState = self.getState()
self.cursorOffset = self.pos() - self.mapToParent(ev.buttonDownPos())
self.sigRegionChangeStarted.emit(self)
ev.accept()
else:
ev.ignore()
elif ev.isFinish():
if self.translatable:
if self.isMoving:
self.stateChangeFinished()
self.isMoving = False
return
if self.translatable and self.isMoving and ev.buttons() == QtCore.Qt.LeftButton:
snap = True if (ev.modifiers() & QtCore.Qt.ControlModifier) else None
newPos = self.mapToParent(ev.pos()) + self.cursorOffset
self.translate(newPos - self.pos(), snap=snap, finish=False)
def mouseClickEvent(self, ev):
if ev.button() == QtCore.Qt.RightButton and self.isMoving:
ev.accept()
self.cancelMove()
elif ev.button() == QtCore.Qt.RightButton and self.contextMenuEnabled():
self.raiseContextMenu(ev)
ev.accept()
elif int(ev.button() & self.acceptedMouseButtons()) > 0:
ev.accept()
self.sigClicked.emit(self, ev)
else:
ev.ignore()
def contextMenuEnabled(self):
return (self.removable and self.isActive)
def raiseContextMenu(self, ev):
if not self.contextMenuEnabled():
return
menu = self.getMenu()
pos = ev.screenPos()
menu.popup(QtCore.QPoint(pos.x(), pos.y()))
def getMenu(self):
# Setup menu
if self.menu is None:
self.menu = QMenuCustom()
self.menuTitle = QtGui.QAction(self.name,self.menu)
self.copyAct = QtGui.QAction("Copy", self.menu)
self.saveAct = QtGui.QAction("Save", self.menu)
self.remAct = QtGui.QAction("Remove", self.menu)
self.menu.actions = [self.menuTitle,self.copyAct,self.saveAct,self.remAct]
# Connect signals to actions
self.copyAct.triggered.connect(self.copyClicked)
self.remAct.triggered.connect(self.removeClicked)
self.saveAct.triggered.connect(self.saveClicked)
# Add actions to menu
self.menu.addAction(self.menuTitle)
self.menu.addSeparator()
for action in self.menu.actions[1:]:
self.menu.addAction(action)
# Set default properties
self.menuTitle.setDisabled(True)
self.menu.setStyleSheet("QMenu::item {color: black; font-weight:normal;}")
font = QtGui.QFont()
font.setBold(True)
self.menuTitle.setFont(font)
# Enable menus only for selected roi
if self.isSelected:
self.copyAct.setVisible(True)
self.saveAct.setVisible(True)
self.remAct.setVisible(True)
else:
self.copyAct.setVisible(False)
self.saveAct.setVisible(False)
self.remAct.setVisible(False)
return self.menu
class selectableROI(object):
""" A ROI class that can be used with a multiRoiViewbox """
sigRemoveRequested = QtCore.Signal(object)
sigCopyRequested = QtCore.Signal(object)
sigSaveRequested = QtCore.Signal(object)
def __init__(self):
self.penActive = fn.mkPen(0, 255, 0)
self.penInactive = fn.mkPen(255, 0, 0)
self.penHover = fn.mkPen(255, 255, 0)
self.penActive.setWidth(1)
self.penInactive.setWidth(1)
self.penHover.setWidth(1)
self.setName()
self.isSelected = False
self.menu = None
self.setActive(True)
def setActive(self, isActive):
self.isActive = isActive
if isActive:
self.setAcceptedMouseButtons(QtCore.Qt.LeftButton
or QtCore.Qt.RightButton)
else:
self.setAcceptedMouseButtons(QtCore.Qt.NoButton)
def __lt__(self, other):
selfid = int(self.name.split('-')[-1])
otherid = int(other.name.split('-')[-1])
return selfid < otherid
def setName(self, name=None):
self.name = name
def removeClicked(self):
self.sigRemoveRequested.emit(self)
def copyClicked(self):
self.sigCopyRequested.emit(self)
def saveClicked(self):
self.sigSaveRequested.emit(self)
def hoverEvent(self, ev):
hover = False
if not ev.isExit():
if self.translatable and ev.acceptDrags(QtCore.Qt.LeftButton):
hover = True
for btn in [
QtCore.Qt.LeftButton, QtCore.Qt.RightButton,
QtCore.Qt.MidButton
]:
if int(self.acceptedMouseButtons()
& btn) > 0 and ev.acceptClicks(btn):
hover = True
if self.contextMenuEnabled():
ev.acceptClicks(QtCore.Qt.RightButton)
if hover:
self.setMouseHover(True)
self.sigHoverEvent.emit(self)
ev.acceptClicks(QtCore.Qt.RightButton)
else:
self.setMouseHover(False)
def mouseDragEvent(self, ev):
if ev.isStart():
# Drag using left button only if selected
if ev.button() == QtCore.Qt.LeftButton:
if self.translatable:
self.isMoving = True
self.preMoveState = self.getState()
self.cursorOffset = self.pos() - self.mapToParent(
ev.buttonDownPos())
self.sigRegionChangeStarted.emit(self)
ev.accept()
else:
ev.ignore()
elif ev.isFinish():
if self.translatable:
if self.isMoving:
self.stateChangeFinished()
self.isMoving = False
return
if self.translatable and self.isMoving and ev.buttons(
) == QtCore.Qt.LeftButton:
snap = True if (ev.modifiers()
& QtCore.Qt.ControlModifier) else None
newPos = self.mapToParent(ev.pos()) + self.cursorOffset
self.translate(newPos - self.pos(), snap=snap, finish=False)
def mouseClickEvent(self, ev):
if ev.button() == QtCore.Qt.RightButton and self.isMoving:
ev.accept()
self.cancelMove()
elif ev.button() == QtCore.Qt.RightButton and self.contextMenuEnabled(
):
self.raiseContextMenu(ev)
ev.accept()
elif int(ev.button() & self.acceptedMouseButtons()) > 0:
ev.accept()
self.sigClicked.emit(self, ev)
else:
ev.ignore()
def contextMenuEnabled(self):
return (self.removable and self.isActive)
def raiseContextMenu(self, ev):
if not self.contextMenuEnabled():
return
menu = self.getMenu()
pos = ev.screenPos()
menu.popup(QtCore.QPoint(pos.x(), pos.y()))
def getMenu(self):
# Setup menu
if self.menu is None:
self.menu = QMenuCustom()
self.menuTitle = QtGui.QAction(self.name, self.menu)
self.copyAct = QtGui.QAction("Copy", self.menu)
self.saveAct = QtGui.QAction("Save", self.menu)
self.remAct = QtGui.QAction("Remove", self.menu)
self.menu.actions = [
self.menuTitle, self.copyAct, self.saveAct, self.remAct
]
# Connect signals to actions
self.copyAct.triggered.connect(self.copyClicked)
self.remAct.triggered.connect(self.removeClicked)
self.saveAct.triggered.connect(self.saveClicked)
# Add actions to menu
self.menu.addAction(self.menuTitle)
self.menu.addSeparator()
for action in self.menu.actions[1:]:
self.menu.addAction(action)
# Set default properties
self.menuTitle.setDisabled(True)
self.menu.setStyleSheet(
"QMenu::item {color: black; font-weight:normal;}")
font = QtGui.QFont()
font.setBold(True)
self.menuTitle.setFont(font)
# Enable menus only for selected roi
if self.isSelected:
self.copyAct.setVisible(True)
self.saveAct.setVisible(True)
self.remAct.setVisible(True)
else:
self.copyAct.setVisible(False)
self.saveAct.setVisible(False)
self.remAct.setVisible(False)
return self.menu
