def mouseEvent(self, type, target, event):
"""transform QMouseEvent to MouseEvent"""
btn_mask = MouseEvent.NO_BUTTON
mod_mask = MouseEvent.NO_MODIFIER
if event.buttons() & QtCore.Qt.LeftButton:
btn_mask |= MouseEvent.LEFT_BUTTON
if event.buttons() & QtCore.Qt.RightButton:
btn_mask |= MouseEvent.RIGHT_BUTTON
# special case: store last btn_mask in MouseEvent of type MOUSE_RELEASE
# to indicate which button has been released.
if (type == MouseEvent.MOUSE_RELEASE
and btn_mask == MouseEvent.NO_BUTTON):
btn_mask = self._last_btn_mask
if event.modifiers() & QtCore.Qt.ShiftModifier:
mod_mask |= MouseEvent.SHIFT_MODIFIER
if event.modifiers() & QtCore.Qt.ControlModifier:
mod_mask |= MouseEvent.CONTROL_MODIFIER
if event.modifiers() & QtCore.Qt.AltModifier:
mod_mask |= MouseEvent.ALT_MODIFIER
if event.modifiers() & QtCore.Qt.MetaModifier:
mod_mask |= MouseEvent.META_MODIFIER
if event.modifiers() & QtCore.Qt.KeypadModifier:
mod_mask |= MouseEvent.KEYPAD_MODIFIER
if event.modifiers() & QtCore.Qt.GroupSwitchModifier:
mod_mask |= MouseEvent.GROUP_SWITCH_MODIFIER
# In order to support multiple plots in one widget
# it is necessary to set the window in respect to the current
# `PlotAxes` below the cursor. Otherwise the window will be determined
# using the internal state machine of ``gr``.
coords = DeviceCoordConverter(target.dwidth, target.dheight)
coords.setDC(event.x(), event.y())
plots = target._getPlotsForPoint(coords.getNDC())
window, scale = None, None
if plots and len(plots) == 1: # unambitious plot
axes = plots[0].getAxes(0) # use first `PlotAxes`
if axes:
window = axes.getWindow()
scale = axes.scale
gr.setscale(axes.scale)
mEvent = MouseEvent(type,
target.dwidth,
target.dheight,
event.x(),
event.y(),
btn_mask,
mod_mask,
window=window,
scale=scale)
# special case:
# save last btn_mask for handling in MouseEvent.MOUSE_RELEASE
self._last_btn_mask = btn_mask
return mEvent
def mouseEvent(self, type, target, event):
"""transform QMouseEvent to MouseEvent"""
btn_mask = MouseEvent.NO_BUTTON
mod_mask = MouseEvent.NO_MODIFIER
if event.buttons() & QtCore.Qt.LeftButton:
btn_mask |= MouseEvent.LEFT_BUTTON
if event.buttons() & QtCore.Qt.RightButton:
btn_mask |= MouseEvent.RIGHT_BUTTON
# special case: store last btn_mask in MouseEvent of type MOUSE_RELEASE
# to indicate which button has been released.
if (type == MouseEvent.MOUSE_RELEASE and
btn_mask == MouseEvent.NO_BUTTON):
btn_mask = self._last_btn_mask
if event.modifiers() & QtCore.Qt.ShiftModifier:
mod_mask |= MouseEvent.SHIFT_MODIFIER
if event.modifiers() & QtCore.Qt.ControlModifier:
mod_mask |= MouseEvent.CONTROL_MODIFIER
if event.modifiers() & QtCore.Qt.AltModifier:
mod_mask |= MouseEvent.ALT_MODIFIER
if event.modifiers() & QtCore.Qt.MetaModifier:
mod_mask |= MouseEvent.META_MODIFIER
if event.modifiers() & QtCore.Qt.KeypadModifier:
mod_mask |= MouseEvent.KEYPAD_MODIFIER
if event.modifiers() & QtCore.Qt.GroupSwitchModifier:
mod_mask |= MouseEvent.GROUP_SWITCH_MODIFIER
# In order to support multiple plots in one widget
# it is necessary to set the window in respect to the current
# `PlotAxes` below the cursor. Otherwise the window will be determined
# using the internal state machine of ``gr``.
coords = DeviceCoordConverter(target.dwidth, target.dheight)
coords.setDC(event.x(), event.y())
plots = target._getPlotsForPoint(coords.getNDC())
window = None
if plots and len(plots) == 1: # unambitious plot
axes = plots[0].getAxes(0) # use first `PlotAxes`
if axes:
window = axes.getWindow()
gr.setscale(axes.scale)
mEvent = MouseEvent(type, target.dwidth, target.dheight,
event.x(), event.y(), btn_mask, mod_mask,
window=window)
# special case:
# save last btn_mask for handling in MouseEvent.MOUSE_RELEASE
self._last_btn_mask = btn_mask
return mEvent
class MouseLocationEventMeta(EventMeta):
def __init__(self, type, width, height, x, y, window=None):
super(MouseLocationEventMeta, self).__init__(type)
self._coords = DeviceCoordConverter(width, height, window=window)
self._coords.setDC(x, y)
def getWindow(self):
return self._coords.getWindow()
def getWC(self, viewport):
return self._coords.getWC(viewport)
def getNDC(self):
return self._coords.getNDC()
def getDC(self):
return self._coords.getDC()
class MouseLocationEventMeta(EventMeta):
def __init__(self, type, width, height, x, y, window=None):
super(MouseLocationEventMeta, self).__init__(type)
self._coords = DeviceCoordConverter(width, height, window=window)
self._coords.setDC(x, y)
def getWindow(self):
return self._coords.getWindow()
def getWC(self, viewport):
return self._coords.getWC(viewport)
def getNDC(self):
return self._coords.getNDC()
def getDC(self):
return self._coords.getDC()
