def wheelEvent(self, a0: QtGui.QWheelEvent) -> None:
if len(self.tdrWindow.td) == 0:
a0.ignore()
return
chart_height = self.chartHeight
chart_width = self.chartWidth
do_zoom_x = do_zoom_y = True
if a0.modifiers() == QtCore.Qt.ShiftModifier:
do_zoom_x = False
if a0.modifiers() == QtCore.Qt.ControlModifier:
do_zoom_y = False
if a0.angleDelta().y() > 0:
# Zoom in
a0.accept()
# Center of zoom = a0.x(), a0.y()
# We zoom in by 1/10 of the width/height.
rate = a0.angleDelta().y() / 120
if do_zoom_x:
zoomx = rate * chart_width / 10
else:
zoomx = 0
if do_zoom_y:
zoomy = rate * chart_height / 10
else:
zoomy = 0
absx = max(0, a0.x() - self.leftMargin)
absy = max(0, a0.y() - self.topMargin)
ratiox = absx / chart_width
ratioy = absy / chart_height
# TODO: Change zoom to center on the mouse if possible, or extend box to the side that has room if not.
p1x = int(self.leftMargin + ratiox * zoomx)
p1y = int(self.topMargin + ratioy * zoomy)
p2x = int(self.leftMargin + chart_width - (1 - ratiox) * zoomx)
p2y = int(self.topMargin + chart_height - (1 - ratioy) * zoomy)
self.zoomTo(p1x, p1y, p2x, p2y)
elif a0.angleDelta().y() < 0:
# Zoom out
a0.accept()
# Center of zoom = a0.x(), a0.y()
# We zoom out by 1/9 of the width/height, to match zoom in.
rate = -a0.angleDelta().y() / 120
if do_zoom_x:
zoomx = rate * chart_width / 9
else:
zoomx = 0
if do_zoom_y:
zoomy = rate * chart_height / 9
else:
zoomy = 0
absx = max(0, a0.x() - self.leftMargin)
absy = max(0, a0.y() - self.topMargin)
ratiox = absx / chart_width
ratioy = absy / chart_height
p1x = int(self.leftMargin - ratiox * zoomx)
p1y = int(self.topMargin - ratioy * zoomy)
p2x = int(self.leftMargin + chart_width + (1 - ratiox) * zoomx)
p2y = int(self.topMargin + chart_height + (1 - ratioy) * zoomy)
self.zoomTo(p1x, p1y, p2x, p2y)
else:
a0.ignore()
def wheelEvent(self, event: QtGui.QWheelEvent):
try:
zoom = super().page().mainFrame().zoomFactor()
if self.ctrlOn is True:
event.accept()
if event.angleDelta().y() > 0:
zoom += 0.2
else:
zoom -= 0.2
if zoom <= 0.2: zoom = 0.2
if zoom >= 3: zoom = 3
print('zoom = {}'.format(zoom))
super().page().mainFrame().setZoomFactor(zoom)
# super().page().repaint()
else:
if self.mode.value == QwwMode.CBZ.value:
super().page().mainFrame().setZoomFactor(1)
event.accept()
passed = 0
if event.angleDelta().y() < 0: passed = 1
elif event.angleDelta().y() > 0: passed = -1
self.updatePositionCbz(passed)
else:
self.updatePositionEpub(event.angleDelta().y() * -1)
event.ignore()
except Exception:
traceback.print_exc()
def wheelEvent(self, a0: QtGui.QWheelEvent) -> None:
if len(self.data) == 0 and len(self.reference) == 0:
a0.ignore()
return
do_zoom_x = do_zoom_y = True
if a0.modifiers() == QtCore.Qt.ShiftModifier:
do_zoom_x = False
if a0.modifiers() == QtCore.Qt.ControlModifier:
do_zoom_y = False
if a0.angleDelta().y() > 0:
# Zoom in
a0.accept()
# Center of zoom = a0.x(), a0.y()
# We zoom in by 1/10 of the width/height.
rate = a0.angleDelta().y() / 120
if do_zoom_x:
zoomx = rate * self.chartWidth / 10
else:
zoomx = 0
if do_zoom_y:
zoomy = rate * self.chartHeight / 10
else:
zoomy = 0
absx = max(0, a0.x() - self.leftMargin)
absy = max(0, a0.y() - self.topMargin)
ratiox = absx / self.chartWidth
ratioy = absy / self.chartHeight
p1x = int(self.leftMargin + ratiox * zoomx)
p1y = int(self.topMargin + ratioy * zoomy)
p2x = int(self.leftMargin + self.chartWidth - (1 - ratiox) * zoomx)
p2y = int(self.topMargin + self.chartHeight - (1 - ratioy) * zoomy)
self.zoomTo(p1x, p1y, p2x, p2y)
elif a0.angleDelta().y() < 0:
# Zoom out
a0.accept()
# Center of zoom = a0.x(), a0.y()
# We zoom out by 1/9 of the width/height, to match zoom in.
rate = -a0.angleDelta().y() / 120
if do_zoom_x:
zoomx = rate * self.chartWidth / 9
else:
zoomx = 0
if do_zoom_y:
zoomy = rate * self.chartHeight / 9
else:
zoomy = 0
absx = max(0, a0.x() - self.leftMargin)
absy = max(0, a0.y() - self.topMargin)
ratiox = absx / self.chartWidth
ratioy = absy / self.chartHeight
p1x = int(self.leftMargin - ratiox * zoomx)
p1y = int(self.topMargin - ratioy * zoomy)
p2x = int(self.leftMargin + self.chartWidth + (1 - ratiox) * zoomx)
p2y = int(self.topMargin + self.chartHeight + (1 - ratioy) * zoomy)
self.zoomTo(p1x, p1y, p2x, p2y)
else:
a0.ignore()
def wheelEvent(self, event: QWheelEvent):
if event.modifiers() == QtCore.Qt.ControlModifier:
self.font_size = self.font_size + event.angleDelta().y() / 15
if self.font_size < 5:
self.font_size = 5
#fnt = self.ui.CsvVisualizer.font()
#fnt.setPointSize(self.font_size)
#self.ui.CsvVisualizer.setFont(fnt)
else:
event.ignore()
def wheelEvent(self, a0: QtGui.QWheelEvent) -> None:
if ((len(self.data) == 0 and len(self.reference) == 0)
or a0.angleDelta().y() == 0):
a0.ignore()
return
do_zoom_x = do_zoom_y = True
if a0.modifiers() == QtCore.Qt.ShiftModifier:
do_zoom_x = False
if a0.modifiers() == QtCore.Qt.ControlModifier:
do_zoom_y = False
self._wheel_zomm(a0, do_zoom_x, do_zoom_y,
math.copysign(1,
a0.angleDelta().y()))
def wheelEvent(self, event: QWheelEvent):
"""
Zoom in/out on the mouse cursor
"""
# zoom only when CTRL key pressed
if (event.modifiers() & Qt.ControlModifier) == Qt.ControlModifier:
steps = event.angleDelta().y() / 15 / 8
if steps == 0:
event.ignore()
return
# scale factor 1.25
sc = pow(1.25, steps)
self.scale(sc, sc)
self.centerOn(self.mapToScene(event.pos()))
event.accept()
# act normally on scrollbar
else:
# transmit event to parent class wheelevent
super(QGraphicsView, self).wheelEvent(event)
def wheelEvent(self, event: QWheelEvent):
"""
Zoom in/out on the mouse cursor
"""
# zoom only when CTRL key pressed
if (event.modifiers() & Qt.ControlModifier) == Qt.ControlModifier:
steps = event.angleDelta().y() / 15 / 8
if steps == 0:
event.ignore()
return
# scale factor 1.25
sc = pow(1.25, steps)
self.scale(sc, sc)
self.centerOn(self.mapToScene(event.pos()))
event.accept()
# act normally on scrollbar
else:
# transmit event to parent class wheelevent
super(QGraphicsView, self).wheelEvent(event)
def wheelEvent(self, event: QWheelEvent):
if self.thumbs_manager is None:
event.ignore()
return
numPixels: QPoint = event.pixelDelta()
numDegrees: QPoint = event.angleDelta() / 8
if not numPixels.isNull():
event.ignore()
elif not numDegrees.isNull():
num_steps: QPoint = numDegrees / 15 # .y() == Down: -1, Up: 1
if num_steps.y() == -1:
self.thumbs_manager.show_next()
event.accept()
elif num_steps.y() == 1:
self.thumbs_manager.show_previous()
event.accept()
else:
event.ignore()
def wheelEvent(self, event: QWheelEvent) -> None:
if self.hasFocus():
super(MyComboBox, self).wheelEvent(event)
else:
event.ignore()
def wheelEvent(self, event: QWheelEvent) -> None:
if self.hasFocus():
super(MyDoubleSpinbox, self).wheelEvent(event)
else:
event.ignore()
def wheelEvent(self, event: QWheelEvent) -> NoReturn:
event.ignore()
def wheelEvent(self, event: QWheelEvent):
event.ignore()
def wheelEvent(self, event: QWheelEvent):
event.ignore()
def wheelEvent(self, e: QtGui.QWheelEvent) -> None:
e.ignore()
def wheelEvent(self, wheel_event: QtGui.QWheelEvent) -> None:
wheel_event.ignore()
