def wheelEvent(self, ev: QtGui.QWheelEvent):
if not self.pixmap():
return
mods = ev.modifiers()
delta = ev.angleDelta()
up = delta.y() > 0
if int(mods) == QtCore.Qt.ControlModifier:
scale = self.scale * 1.1 if up else self.scale * 0.9
self.zoomChanged.emit(scale)
else:
curIdx = self.sliceIndex()
v = curIdx - 1 if up else curIdx + 1
self._slider.setValue(v)
def wheelEvent(self, event: QWheelEvent):
'''
Wheelevent
Parameters
----------
event : QWheelEvent
'''
event.accept()
direction = event.angleDelta().y()
horizontal_bar = self.horizontalScrollBar()
delta = (20 if direction < 0 else -20)
horizontal_bar.setValue(self.horizontalScrollBar().value() + delta)
def wheelEvent(self, event: QWheelEvent) -> None:
super(_ScriptBrowser, self).wheelEvent(event)
if QApplication.keyboardModifiers() != Qt.ControlModifier:
return
if event.angleDelta().y() > 0:
self.zoomIn(1)
else:
self.zoomOut(1)
def wheelEvent(self, event: QWheelEvent):
"""
wheelEvent
Parameters
----------
event : QWheelEvent
"""
delta = event.angleDelta()
if delta.y() == 0:
event.ignore()
return
d = delta.y() / abs(delta.y())
if d > 0.0:
self.scale_up()
else:
self.scale_down()
def wheelEvent(self, event: QtGui.QWheelEvent) -> None:
cpt = QPoint_to_point(event.pos())
if not event.modifiers():
step = event.angleDelta().y() / 120.0
self.zoom(step, cpt)
else:
if self.interactionDelegate:
step = event.angleDelta().y() / 120.0
if step < 0:
step = - step
code = EventID.Mouse_WheelDown
else:
code = EventID.Mouse_WheelUp
w_pt = self.viewState.tfV2W(cpt)
tool_event = ToolActionEvent(code, cpt, w_pt, step)
self.interactionDelegate.tool_event(tool_event)
self.update()
def wheelEvent(self, event: QWheelEvent) -> None:
dy = event.angleDelta().y()
sign = dy / abs(dy) if abs(dy) > 1e-12 else 0.0
smoothness = max(self.viewer.smoothness, 0.1)
# Arbitrary number, but dependent on viewer's smoothness
rate = 0.4 / smoothness
movement_rate = rate / (1.0 + max(0.0, min(sign, rate)))
off_center = self.viewer.off_center[2]
shift = -sign * movement_rate * max(-sign, off_center) / smoothness
self.viewer.translate(x=0, y=0, z=shift)
def wheelEvent(self, event: QWheelEvent):
"""
wheelEvent
Parameters
----------
event : QWheelEvent
"""
if QApplication.keyboardModifiers() == Qt.ControlModifier:
delta = event.angleDelta()
if delta.y() == 0:
event.ignore()
return
d = delta.y() / abs(delta.y())
if d > 0.0:
self.scale_up()
else:
self.scale_down()
else:
super().wheelEvent(event)
def wheelEvent(self, event: QtGui.QWheelEvent):
max = self.data.shape[0]
theta = event.angleDelta().y()
if theta > 0 and self.index < max - 1:
self.index += 1
elif theta < 0 and self.index > 0:
self.index -= 1
#QUA MOSTRO L'IMMAGINE i-esima -> AGGIUNGERE CHECK DI FINE E INIZIO
self.slice = self.index
self.update_image()
def wheelEvent(self, event: QWheelEvent) -> None:
"""Switch function by mouse wheel.
+ Set zoom bar value.
+ Set select mode.
"""
p = event.angleDelta()
if QApplication.keyboardModifiers() == Qt.ShiftModifier:
value = p.y()
elif p.x() != 0:
value = p.x()
elif p.y() != 0:
value = self.prefer.scale_factor_option * (1 if p.y() > 0 else -1)
value += self.zoom_value()
self.set_zoom_bar(value)
return
else:
return
tags = ("Points", "Links")
mode = (self.selection_mode() + (-1 if value > 0 else 1)) % len(tags)
self.selection_mode_wheel(mode)
QToolTip.showText(event.globalPos(), f"Selection mode: {tags[mode]}", self)
event.accept()
def wheelEvent(self, event: QtGui.QWheelEvent):
# limit wheelevents to max N events in T seconds to avoid hanging GUI because of zooming in and out non-stop
PlotArea.wheelEventsCounter = PlotArea.wheelEventsCounter + 1
# print(PlotArea.wheelEventsCounter)
if PlotArea.wheelEventsCounter > 3:
qInfo('Zooming speed limited to optimize performance.')
return
super().wheelEvent(event)
newRange = self.main_vb.viewRange()[0]
if self.main_window.selectedView is not None:
maxX = self.main_window.selectedView.panel.get_max_duration()
else:
return
if newRange[-1] > maxX:
newRange[-1] = maxX
if newRange[0] < 0:
newRange[0] = 0
if newRange[0] == 0:
self.main_vb.setXRange(newRange[0], newRange[1], padding=0)
else:
self.main_vb.setXRange(newRange[0], newRange[1])
event.accept()
def wheelEvent(self, event: QtGui.QWheelEvent):
file_list = self.window.file_list
if len(file_list.selectedItems()):
index = file_list.row(file_list.selectedItems()[0])
else:
index = -1
if event.pixelDelta().y() > 0:
index -= 1
else:
index += 1
if index >= file_list.count() or index == -2:
index = file_list.count() - 1
elif index < 0:
index = 0
file_list.setCurrentItem(file_list.item(index))
def wheelEvent(self, event: QWheelEvent) -> None:
scale = 1.25
maxZoom = 2
minZoom = 0.5
transform: QTransform = self.transform()
zoom = transform.m11()
# zoom in and out with the mouse setting origin
if (event.angleDelta().y() > 0) and (zoom < maxZoom):
self.scale(scale, scale)
pos: QPointF = self.mapToScene(event.pos())
self.translate(-(scale - 1) * pos.x(), -(scale - 1) * pos.y())
elif (event.angleDelta().y() < 0) and (zoom > minZoom):
self.scale(1 / scale, 1 / scale)
pos: QPointF = self.mapToScene(event.pos())
self.translate(-(1 / scale - 1) * pos.x(),
-(1 / scale - 1) * pos.y())
event.accept()
def __cloneMouseWheelEvent(self, e: QWheelEvent):
pos = e.pos()
globalPos = e.globalPos()
pixelDelta = e.pixelDelta()
angleDelta = e.angleDelta()
buttons = e.buttons()
modifiers = e.modifiers()
phase = e.phase()
inverted = e.inverted()
clone = QWheelEvent(pos, globalPos, pixelDelta, angleDelta, buttons,
modifiers, phase, inverted)
clone.ignore()
clone.accepted = False
return clone
def wheelEvent(self, ev: QWheelEvent):
# GraphicsLayoutWidget forcibly ignores if an event was accepted, and changes its state to ignored.
# This causes parents to have no knowledge of if its children accepted the event or not.
# To prevent that behavior, we only process the event if it wasn't accepted.
if not ev.isAccepted():
QGraphicsView.wheelEvent(self, ev)
def wheelEvent(self, event: QtGui.QWheelEvent):
super().wheelEvent(event)
event.accept()
def wheelEvent(self, e: QWheelEvent):
print("myMouseWheel in Item...")
self.__m_lastMouseWheel = self.__cloneMouseWheelEvent(e)
self.__m_lastMouseWheel.ignore()
e.accept()
self.update()
def wheelEvent(self, event: QtGui.QWheelEvent):
event.ignore()
