def paintEvent(self, event: QPaintEvent) -> None:
painter = QStylePainter(self)
opt = QStyleOptionSlider()
self.initStyleOption(opt)
if self.tickPosition() != QSlider.NoTicks:
x = 4
for i in range(self.minimum(), self.width(), x):
if i % 5 == 0:
h = 18
w = 1
z = 8
else:
h = 7
w = 0.8
z = 15
pen = QPen(QColor('#444'))
pen.setWidthF(w)
painter.setPen(pen)
if self.tickPosition() in (QSlider.TicksBothSides, QSlider.TicksAbove):
y = self.rect().top() + z
painter.drawLine(x, y, x, y + h)
if self.tickPosition() in (QSlider.TicksBothSides, QSlider.TicksBelow):
y = self.rect().bottom() - z
painter.drawLine(x, y, x, y - h)
x += 10
opt.subControls = QStyle.SC_SliderGroove
painter.drawComplexControl(QStyle.CC_Slider, opt)
opt.subControls = QStyle.SC_SliderHandle
painter.drawComplexControl(QStyle.CC_Slider, opt)
def paintEvent(self, ev):
if self.min is not None and self.max is not None:
opt = QStyleOptionSlider()
self.initStyleOption(opt)
opt.subControls = QStyle.SC_SliderGroove | QStyle.SC_SliderHandle
if self.tickPosition() != self.NoTicks:
opt.subControls |= QStyle.SC_SliderTickmarks
groove_rect = self.style().subControlRect(
QStyle.CC_Slider,
opt,
QStyle.SC_SliderGroove,
self
)
rect = QRect(
groove_rect.left() + self.min * groove_rect.width(),
groove_rect.top(),
(self.max-self.min) * groove_rect.width(),
groove_rect.height()
)
painter = QPainter(self)
painter.fillRect(rect, QBrush(Qt.red))
super(ColorRangeSlider, self).paintEvent(ev)
def paintEvent(self, event: QPaintEvent) -> None:
painter = QStylePainter(self)
opt = QStyleOptionSlider()
self.initStyleOption(opt)
if self.tickPosition() != QSlider.NoTicks:
x = 4
for i in range(self.minimum(), self.width(), x):
if i % 5 == 0:
h = 18
w = 1
z = 8
else:
h = 7
w = 0.8
z = 15
pen = QPen(QColor('#444'))
pen.setWidthF(w)
painter.setPen(pen)
if self.tickPosition() in (QSlider.TicksBothSides, QSlider.TicksAbove):
y = self.rect().top() + z
painter.drawLine(x, y, x, y + h)
if self.tickPosition() in (QSlider.TicksBothSides, QSlider.TicksBelow):
y = self.rect().bottom() - z
painter.drawLine(x, y, x, y - h)
x += 10
opt.subControls = QStyle.SC_SliderGroove
painter.drawComplexControl(QStyle.CC_Slider, opt)
for path in self._regions:
brushcolor = QColor(150, 190, 78, 185) if self._regions.index(path) == self._regionSelected \
else QColor(237, 242, 255, 185)
painter.setBrush(brushcolor)
painter.setPen(Qt.NoPen)
painter.drawPath(path)
opt.subControls = QStyle.SC_SliderHandle
painter.drawComplexControl(QStyle.CC_Slider, opt)
def paintEvent(self, event: QPaintEvent) -> None:
painter = QStylePainter(self)
opt = QStyleOptionSlider()
self.initStyleOption(opt)
handle = self.style.subControlRect(self.style.CC_Slider, opt,
self.style.SC_SliderHandle, self)
interval = self.tickInterval()
if interval == 0:
interval = self.pageStep()
if self.tickPosition() != QSlider.NoTicks:
for i in range(self.minimum(), self.maximum(), interval):
x = round((((i - self.minimum()) /
(self.maximum() - self.minimum())) *
(self.width() - handle.width()) +
(handle.width() / 2.0))) - 1
if i % 500000 == 0:
h = 12
z = 5
else:
h = 6
z = 11
painter.setPen(QColor('#484640'))
if self.tickPosition() in (QSlider.TicksBothSides,
QSlider.TicksAbove):
y = self.rect().top() + z
painter.drawLine(x, y, x, y + h)
if self.tickPosition() in (QSlider.TicksBothSides,
QSlider.TicksBelow):
y = self.rect().bottom() - z
painter.drawLine(x, y, x, y - h)
opt.subControls = QStyle.SC_SliderGroove
painter.drawComplexControl(QStyle.CC_Slider, opt)
opt.subControls = QStyle.SC_SliderHandle
painter.drawComplexControl(QStyle.CC_Slider, opt)
def paintEvent(self, event: QPaintEvent) -> None:
painter = QStylePainter(self)
opt = QStyleOptionSlider()
self.initStyleOption(opt)
font = painter.font()
font.setPixelSize(10)
painter.setFont(font)
if self.tickPosition() != QSlider.NoTicks:
x = 8
for i in range(self.minimum(), self.width(), 8):
if i % 5 == 0:
h = 18
w = 1
z = 13
else:
h = 8
w = 1
z = 23
tickcolor = '#8F8F8F' if self.theme == 'dark' else '#444'
pen = QPen(QColor(tickcolor))
pen.setWidthF(w)
painter.setPen(pen)
if self.tickPosition() in (QSlider.TicksBothSides,
QSlider.TicksAbove):
y = self.rect().top() + z
painter.drawLine(x, y, x, y + h)
if self.tickPosition() in (QSlider.TicksBothSides,
QSlider.TicksBelow):
y = self.rect().bottom() - z
painter.drawLine(x, y, x, y - h)
if self.parent.mediaAvailable and i % 15 == 0:
painter.setPen(Qt.white if self.theme ==
'dark' else Qt.black)
timecode = QStyle.sliderValueFromPosition(
self.minimum(), self.maximum(), x - self.offset,
self.width() - (self.offset * 2))
timecode = self.parent.delta2QTime(timecode).toString(
self.parent.runtimeformat)
painter.drawText(x + 6, y + 6, timecode)
if x + 30 > self.width():
break
x += 15
opt.subControls = QStyle.SC_SliderGroove
painter.drawComplexControl(QStyle.CC_Slider, opt)
for rect in self._regions:
rect.setY(int((self.height() - self._regionHeight) / 2) - 8)
rect.setHeight(self._regionHeight)
if self._regions.index(rect) == self._regionSelected:
brushcolor = QColor(150, 190, 78, 185)
else:
brushcolor = QColor(237, 242, 255, 185)
painter.setBrush(brushcolor)
painter.setPen(QColor(255, 255, 255, 170))
painter.drawRect(rect)
opt.subControls = QStyle.SC_SliderHandle
painter.drawComplexControl(QStyle.CC_Slider, opt)
def drawHandle(self, painter, handle):
opt = QStyleOptionSlider()
self._initStyleOption(opt, handle)
opt.subControls = QStyle.SC_SliderHandle
pressed = self.upperPressed
if handle == QxtSpanSlider.LowerHandle:
pressed = self.lowerPressed
if pressed == QStyle.SC_SliderHandle:
opt.activeSubControls = pressed
opt.state |= QStyle.State_Sunken
painter.drawComplexControl(QStyle.CC_Slider, opt)
def paintEvent(self, event):
p = QPainter(self)
opt = QStyleOptionSlider()
self.initStyleOption(opt)
opt.subControls = QStyle.SC_SliderGroove
self.style().drawComplexControl(QStyle.CC_Slider, opt, p, self)
if self.tickPosition() != QSlider.NoTicks:
opt.subControls |= QStyle.SC_SliderTickmarks
opt.subControls = QStyle.SC_SliderHandle
self.style().drawComplexControl(QStyle.CC_Slider, opt, p, self)
def drawHandle(self, painter, handle):
opt = QStyleOptionSlider()
self._initStyleOption(opt, handle)
opt.subControls = QStyle.SC_SliderHandle
pressed = self.upperPressed
if handle == QxtSpanSlider.LowerHandle:
pressed = self.lowerPressed
if pressed == QStyle.SC_SliderHandle:
opt.activeSubControls = pressed
opt.state |= QStyle.State_Sunken
painter.drawComplexControl(QStyle.CC_Slider, opt)
def copyOptions(self):
opt = QStyleOptionSlider()
opt.initFrom(self._slider)
opt.maximum = self._slider.maximum()
opt.minimum = self._slider.minimum()
opt.orientation = self._slider.orientation()
opt.pageStep = self._slider.pageStep()
opt.singleStep = self._slider.singleStep()
return opt
def paintEvent(self, event):
# based on http://qt.gitorious.org/qt/qt/blobs/master/src/gui/widgets/qslider.cpp
painter = QPainter(self)
style = QApplication.style()
for i, value in enumerate([self._low, self._high]):
opt = QStyleOptionSlider()
self.initStyleOption(opt)
# Only draw the groove for the first slider so it doesn't get drawn
# on top of the existing ones every time
if i == 0:
opt.subControls = QStyle.SC_SliderHandle #QStyle.SC_SliderGroove | QStyle.SC_SliderHandle
else:
opt.subControls = QStyle.SC_SliderHandle
if self.tickPosition() != self.NoTicks:
opt.subControls |= QStyle.SC_SliderTickmarks
if self.pressed_control:
opt.activeSubControls = self.pressed_control
opt.state |= QStyle.State_Sunken
else:
opt.activeSubControls = self.hover_control
opt.sliderPosition = value
opt.sliderValue = value
style.drawComplexControl(QStyle.CC_Slider, opt, painter, self)
def paintEvent(self, event):
if not (self._imageRainbow or self._imageAlpha):
return super(CColorSlider, self).paintEvent(event)
option = QStyleOptionSlider()
self.initStyleOption(option)
# 背景Rect
groove = self.style().subControlRect(QStyle.CC_Slider, option,
QStyle.SC_SliderGroove, self)
groove.adjust(3, 5, -3, -5)
# 滑块Rect
handle = self.style().subControlRect(QStyle.CC_Slider, option,
QStyle.SC_SliderHandle, self)
handle.setX(max(min(handle.x(), self.width() - self.height()), 0))
handle.setWidth(self.height())
handle.setHeight(self.height())
radius = self.height() / 2
painter = QPainter(self)
painter.setPen(Qt.NoPen)
painter.drawImage(
groove,
self._imageRainbow if self._imageRainbow else self._imageAlpha)
if not self._imageCircle or not self._imageCircleHover:
painter.setBrush(
QColor(245, 245, 245) if option.state
& QStyle.State_MouseOver else QColor(254, 254, 254))
painter.drawRoundedRect(handle, radius, radius)
else:
painter.drawImage(
handle, self._imageCircleHover if option.state
& QStyle.State_MouseOver else self._imageCircle)
def initStyle(self) -> None:
bground = 'rgba(200, 213, 236, 0.85)' if self._cutStarted else 'transparent'
height = 60
handle = 'handle.png'
handleHeight = 85
margin = 0
self._regionHeight = 32
if self.thumbnailsOn:
timeline = 'background: transparent url(:images/filmstrip-thumbs.png) repeat-x left;'
else:
if self.parent.thumbnailsButton.isChecked():
timeline = 'background: #000 url(:images/filmstrip.png) repeat-x left;'
else:
timeline = 'background: #000 url(:images/filmstrip-nothumbs.png) repeat-x left;'
handleHeight = 42
height = 15 if not self.parent.thumbnailsButton.isChecked(
) else height
handle = 'handle-nothumbs.png' if not self.parent.thumbnailsButton.isChecked(
) else handle
self._regionHeight = 32 if self.parent.thumbnailsButton.isChecked(
) else 12
if self._cutStarted:
_file, _ext = os.path.splitext(handle)
handle = '%s-select%s' % (_file, _ext)
opt = QStyleOptionSlider()
self.initStyleOption(opt)
control = self.style().subControlRect(QStyle.CC_Slider, opt,
QStyle.SC_SliderHandle, self)
margin = '%ipx' % control.x()
self.setStyleSheet(self._styles %
(height, height, timeline, bground, height + 2,
margin, handle, handleHeight))
def __init__(self, loc, img, w, h, r, parent=None):
super(RenderWin, self).__init__(parent)
self.parent = parent
self.setWindowTitle(" ")
self.setGeometry(loc)
self.move(parent.x() + parent.width() / 2,
parent.y() + parent.height() / 2)
self.canvas = Canvas(img, w, h, r, self)
self.scrollview = QScrollArea(self)
bar_w = self.scrollview.style().subControlRect(
QStyle.CC_ScrollBar, QStyleOptionSlider(),
QStyle.SC_ScrollBarGroove, self).x()
self.scrollview.setWidget(self.canvas)
self.setCentralWidget(self.scrollview)
default_max_w, default_max_h = 300, 300
self.setFixedSize(
QSize(clip(w + bar_w, 0, default_max_w),
clip(h + bar_w, 0, default_max_h)))
self.setMaximumSize(QSize(w + bar_w, h + bar_w))
self.canvas.update()
def mouseMoveEvent(self, event):
if self.pressed_control != QStyle.SC_SliderHandle:
event.ignore()
return
event.accept()
new_pos = self.__pixelPosToRangeValue(self.__pick(event.pos()))
opt = QStyleOptionSlider()
self.initStyleOption(opt)
if self.active_slider < 0:
offset = new_pos - self.click_offset
self._high += offset
self._low += offset
if self._low < self.minimum():
diff = self.minimum() - self._low
self._low += diff
self._high += diff
if self._high > self.maximum():
diff = self.maximum() - self._high
self._low += diff
self._high += diff
elif self.active_slider == 0:
if new_pos >= self._high:
new_pos = self._high - 1
self._low = new_pos
else:
if new_pos <= self._low:
new_pos = self._low + 1
self._high = new_pos
self.click_offset = new_pos
self.update()
def mousePressEvent(self, ev: QMouseEvent):
opt = QStyleOptionSlider()
self.initStyleOption(opt)
sr = QRect(self.style().subControlRect(QStyle.CC_Slider, opt,
QStyle.SC_SliderHandle, self))
self.l_click = False
if ev.button() == Qt.LeftButton and sr.contains(ev.pos()) is False:
if (ev.button() == Qt.Vertical):
n_val = self.minimum() + (
(self.maximum() - self.minimum() *
(self.height() - ev.y())) / self.height())
else:
n_val = self.minimum() + (
(self.maximum() - self.minimum()) * ev.x()) / self.width()
if self.invertedAppearance() is True:
self.setValue(self.maximum() - n_val)
else:
self.setValue(n_val)
n_val = None
self.l_click = True
ev.accept()
elif ev.button() == Qt.LeftButton:
self.l_click = True
else:
self.l_click = False
def overlay_rect(self):
opt = QStyleOptionSlider()
self.initStyleOption(opt)
return self.style().subControlRect(QStyle.CC_ScrollBar,
opt,
QStyle.SC_ScrollBarGroove,
self)
def drawSpan(self, painter, rect):
opt = QStyleOptionSlider()
QSlider.initStyleOption(self, opt)
# area
groove = self.style().subControlRect(QStyle.CC_Slider, opt,
QStyle.SC_SliderGroove, self)
if opt.orientation == QtCore.Qt.Horizontal:
groove.adjust(0, 0, -1, 0)
else:
groove.adjust(0, 0, 0, -1)
# pen & brush
painter.setPen(QPen(self.gradientLeftColor, 0))
if opt.orientation == QtCore.Qt.Horizontal:
self.setupPainter(painter, opt.orientation,
groove.center().x(), groove.top(),
groove.center().x(), groove.bottom())
else:
self.setupPainter(painter, opt.orientation, groove.left(),
groove.center().y(), groove.right(),
groove.center().y())
# draw groove
intersected = QtCore.QRectF(rect.intersected(groove))
gradient = QLinearGradient(intersected.topLeft(),
intersected.topRight())
gradient.setColorAt(0, self.gradientLeft)
gradient.setColorAt(1, self.gradientRight)
painter.fillRect(intersected, gradient)
def mousePressEvent(self, event):
"""Add snap-to-location handling."""
opt = QStyleOptionSlider()
self.initStyleOption(opt)
sr = self.style().subControlRect(QStyle.CC_Slider, opt,
QStyle.SC_SliderHandle, self)
if (event.button() != Qt.LeftButton or sr.contains(event.pos())):
super().mousePressEvent(event)
return
if self.orientation() == Qt.Vertical:
half = (0.5 * sr.height()) + 0.5
max_ = self.height()
pos = max_ - event.y()
else:
half = (0.5 * sr.width()) + 0.5
max_ = self.width()
pos = event.x()
max_ = max_ - 2 * half
pos = min(max(pos - half, 0), max_) / max_
val = self.minimum() + (self.maximum() - self.minimum()) * pos
val = (self.maximum() - val) if self.invertedAppearance() else val
self.setValue(val)
event.accept()
# Process afterward so it's seen as a drag
super().mousePressEvent(event)
def copyOptions(self) :
opt = QStyleOptionSlider()
opt.initFrom(self._slider)
opt.maximum = self._slider.maximum();
opt.minimum = self._slider.minimum();
opt.orientation = self._slider.orientation()
opt.pageStep = self._slider.pageStep()
opt.singleStep = self._slider.singleStep()
return opt
def __init__(self, *args, tip_offset=QPoint(0, -45)):
super(QSlider, self).__init__(*args)
self.tip_offset = tip_offset
self.style = QApplication.style()
self.opt = QStyleOptionSlider()
self.valueChanged.connect(self.show_tip)
def showTooltip(self, value: int) -> None:
opt = QStyleOptionSlider()
self.initStyleOption(opt)
handle = self.style().subControlRect(QStyle.CC_Slider, opt,
QStyle.SC_SliderHandle, self)
pos = handle.topLeft()
pos += self.offset
globalPos = self.mapToGlobal(pos)
QToolTip.showText(globalPos, str('{0}%'.format(value)), self)
def setRestrictValue(self, value: int, force: bool = False) -> None:
self.restrictValue = value
if value > 0 or force:
opt = QStyleOptionSlider()
self.initStyleOption(opt)
handle = self.style().subControlRect(QStyle.CC_Slider, opt, QStyle.SC_SliderHandle, self)
self.initStyle(True, '%ipx' % (handle.x() + 5))
else:
self.initStyle()
def mouseMoveEvent(self, event: QMouseEvent) -> None:
opt = QStyleOptionSlider()
self.initStyleOption(opt)
handle = self.style().subControlRect(QStyle.CC_Slider, opt, QStyle.SC_SliderHandle, self)
if handle.x() <= event.pos().x() <= (handle.x() + handle.width()):
self.setCursor(self.slider_cursor)
else:
self.unsetCursor()
super(VideoSlider, self).mouseMoveEvent(event)
def mousePressEvent(self, event):
# 获取上面的拉动块位置
option = QStyleOptionSlider()
self.initStyleOption(option)
rect = self.style().subControlRect(QStyle.CC_Slider, option,
QStyle.SC_SliderHandle, self)
if rect.contains(event.pos()):
# 如果鼠标点击的位置在滑块上则交给Qt自行处理
super(myQSlider, self).mousePressEvent(event)
return
def paintEvent(self, _):
option = QStyleOptionSlider()
self.initStyleOption(option)
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
# 中间圆圈的位置
rect = self.style().subControlRect(QStyle.CC_Slider, option,
QStyle.SC_SliderHandle, self)
# 画中间白色线条
painter.setPen(QPen(Qt.white, 3))
# painter.setBrush(Qt.red)
if self.orientation() == Qt.Horizontal:
y = self.height() / 2
painter.drawLine(QPointF(0, y), QPointF(self.width(), y))
else:
x = self.width() / 2
painter.drawLine(QPointF(x, 0), QPointF(x, self.height()))
# 画圆
painter.setPen(Qt.NoPen)
if option.state & QStyle.State_MouseOver: # 双重圆
# 半透明大圆
r = rect.height() / 2
painter.setBrush(QColor(255, 255, 255, 100))
painter.drawRoundedRect(rect, r, r)
# 实心小圆(上下左右偏移4)
rect = rect.adjusted(4, 4, -4, -4)
r = rect.height() / 2
painter.setBrush(QColor(255, 255, 255, 255))
painter.drawRoundedRect(rect, r, r)
if self.drawtext:
# 绘制文字
painter.setPen(QPen(Qt.red, 3))
width_should_sub = self.get_value_length()
if self.orientation() == Qt.Horizontal: # 在上方绘制文字
x, y = rect.x() - width_should_sub // 2, rect.y(
) - rect.height() - 4
else: # 在左侧绘制文字
x, y = rect.x() - rect.width() - 4, rect.y()
painter.drawText(x, y,
rect.width() + width_should_sub,
rect.height(), Qt.AlignCenter,
str(self.value()))
else: # 实心圆
r = rect.height() / 2
painter.setBrush(Qt.white)
painter.drawRoundedRect(rect, r, r)
self.value_update.emit(self.value(), self.objectName(),
self.custom_name)
if self.show_frame_real_time:
# 实时更新图像
self.show_frame.emit()
def __init__(self, ori, parent=None):
"""Initialize the slider."""
super().__init__(ori, parent)
self._opt = QStyleOptionSlider()
self.initStyleOption(self._opt)
self._gr = self.style().subControlRect(QStyle.CC_Slider, self._opt,
QStyle.SC_SliderGroove, self)
self._sr = self.style().subControlRect(QStyle.CC_Slider, self._opt,
QStyle.SC_SliderHandle, self)
self._precision = 10000
super().valueChanged.connect(self._convert)
def showVolumeTip(self, _):
''' Volume Slider Tooltip Trick '''
self.style = self.volumeSlider.style()
self.opt = QStyleOptionSlider()
self.volumeSlider.initStyleOption(self.opt)
rectHandle = self.style.subControlRect(self.style.CC_Slider, self.opt,
self.style.SC_SliderHandle)
self.tip_offset = QPoint(5, 15)
pos_local = rectHandle.topLeft() + self.tip_offset
pos_global = self.volumeSlider.mapToGlobal(pos_local)
QToolTip.showText(pos_global,
str(self.volumeSlider.value()) + " %", self)
def mousePressEvent(self, event):
"""Mouse press handler."""
event.accept()
style = QApplication.style()
button = event.button()
# In a normal slider control, when the user clicks on a point in the
# slider's total range, but not on the slider part of the control the
# control would jump the slider value to where the user clicked.
# For this control, clicks which are not direct hits will slide both
# slider parts
if button:
opt = QStyleOptionSlider()
self.initStyleOption(opt)
self.active_slider = -1
for i, value in enumerate([self._low, self._high]):
opt.sliderPosition = value
hit = style.hitTestComplexControl(style.CC_Slider, opt,
event.pos(), self)
if hit == style.SC_SliderHandle:
self.active_slider = i
self.pressed_control = hit
self.triggerAction(self.SliderMove)
self.setRepeatAction(self.SliderNoAction)
self.setSliderDown(True)
break
if self.active_slider < 0:
self.pressed_control = QStyle.SC_SliderHandle
self.click_offset = self.__pixelPosToRangeValue(
self.__pick(event.pos()))
self.triggerAction(self.SliderMove)
self.setRepeatAction(self.SliderNoAction)
else:
event.ignore()
def paintEvent(self, ev):
if self.min is not None and self.max is not None:
opt = QStyleOptionSlider()
self.initStyleOption(opt)
opt.subControls = QStyle.SC_SliderGroove | QStyle.SC_SliderHandle
if self.tickPosition() != self.NoTicks:
opt.subControls |= QStyle.SC_SliderTickmarks
groove_rect = self.style().subControlRect(QStyle.CC_Slider, opt,
QStyle.SC_SliderGroove,
self)
rect = QRect(groove_rect.left() + self.min * groove_rect.width(),
groove_rect.top(),
(self.max - self.min) * groove_rect.width(),
groove_rect.height())
painter = QPainter(self)
painter.fillRect(rect, QBrush(Qt.red))
super(ColorRangeSlider, self).paintEvent(ev)
def restrictMove(self, value: int) -> None:
if value < self.restrictValue:
self.setSliderPosition(self.restrictValue)
else:
opt = QStyleOptionSlider()
self.initStyleOption(opt)
rectHandle = self.style.subControlRect(self.style.CC_Slider, opt,
self.style.SC_SliderHandle,
self)
posLocal = rectHandle.topLeft() + QPoint(20, -20)
posGlobal = self.mapToGlobal(posLocal)
timerValue = self.parentWidget().timeCounter.text().split(' / ')[0]
QToolTip.showText(posGlobal, timerValue, self)
def showMoveTip(self, currentInfo):
''' Player Silder Move Tooptip Trick '''
self.style = self.sliderDuration.style()
self.opt = QStyleOptionSlider()
self.sliderDuration.initStyleOption(self.opt)
rectHandle = self.style.subControlRect(self.style.CC_Slider, self.opt,
self.style.SC_SliderHandle)
self.tip_offset = QPoint(5, 15)
pos_local = rectHandle.topLeft() + self.tip_offset
pos_global = self.sliderDuration.mapToGlobal(pos_local)
tStr = _seconds_to_time(currentInfo)
QToolTip.showText(pos_global, tStr, self)
def mousePressEvent(self, event):
# 获取上面的拉动块位置
event.accept()
option = QStyleOptionSlider()
self.initStyleOption(option)
rect = self.style().subControlRect(QStyle.CC_Slider, option,
QStyle.SC_SliderHandle, self)
rect.setX(max(min(rect.x(), self.width() - self.height()), 0))
rect.setWidth(self.height())
rect.setHeight(self.height())
center = rect.center() - rect.topLeft()
self.setSliderPosition(
self.pixelPosToRangeValue(self.pick(event.pos() - center)))
self.setSliderDown(True)
def mouseMoveEvent(self, event):
if self.lowerPressed != QStyle.SC_SliderHandle and self.upperPressed != QStyle.SC_SliderHandle:
event.ignore()
return
opt = QStyleOptionSlider()
self.initStyleOption(opt)
m = self.style().pixelMetric(QStyle.PM_MaximumDragDistance, opt, self)
newPosition = self.pixelPosToRangeValue(
self.pick(event.pos()) - self.offset)
if m >= 0:
r = self.rect().adjusted(-m, -m, m, m)
if not r.contains(event.pos()):
newPosition = self.position
# pick the preferred handle on the first movement
if self.firstMovement:
if self.lower == self.upper:
if newPosition < self.lowerValue:
self.swapControls()
self.firstMovement = False
else:
self.firstMovement = False
if self.lowerPressed == QStyle.SC_SliderHandle:
if self.movement == QxtSpanSlider.NoCrossing:
newPosition = min(newPosition, self.upper)
elif self.movement == QxtSpanSlider.NoOverlapping:
newPosition = min(newPosition, self.upper - 1)
if (self.movement == QxtSpanSlider.FreeMovement
and newPosition > self.upper):
self.swapControls()
self.setUpperPosition(newPosition)
else:
self.setLowerPosition(newPosition)
elif self.upperPressed == QStyle.SC_SliderHandle:
if self.movement == QxtSpanSlider.NoCrossing:
newPosition = max(newPosition, self.lowerValue)
elif self.movement == QxtSpanSlider.NoOverlapping:
newPosition = max(newPosition, self.lowerValue + 1)
if (self.movement == QxtSpanSlider.FreeMovement
and newPosition < self.lower):
self.swapControls()
self.setLowerPosition(newPosition)
else:
self.setUpperPosition(newPosition)
event.accept()
def paintEvent(self, event):
painter = QStylePainter(self)
# ticks
opt = QStyleOptionSlider()
self.initStyleOption(opt)
opt.subControls = QStyle.SC_SliderTickmarks
painter.drawComplexControl(QStyle.CC_Slider, opt)
# groove
opt.sliderPosition = 20
opt.sliderValue = 0
opt.subControls = QStyle.SC_SliderGroove
painter.drawComplexControl(QStyle.CC_Slider, opt)
# handle rects
opt.sliderPosition = self.lowerPos
lr = self.style().subControlRect(QStyle.CC_Slider, opt, QStyle.SC_SliderHandle, self)
lrv = self.pick(lr.center())
opt.sliderPosition = self.upperPos
ur = self.style().subControlRect(QStyle.CC_Slider, opt, QStyle.SC_SliderHandle, self)
urv = self.pick(ur.center())
# span
minv = min(lrv, urv)
maxv = max(lrv, urv)
c = self.style().subControlRect(QStyle.CC_Slider, opt, QStyle.SC_SliderGroove, self).center()
spanRect = QRect(QPoint(c.x() - 2, minv), QPoint(c.x() + 1, maxv))
if self.orientation() == Qt.Horizontal:
spanRect = QRect(QPoint(minv, c.y() - 2), QPoint(maxv, c.y() + 1))
self.drawSpan(painter, spanRect)
# handles
if self.lastPressed == QxtSpanSlider.LowerHandle:
self.drawHandle(painter, QxtSpanSlider.UpperHandle)
self.drawHandle(painter, QxtSpanSlider.LowerHandle)
else:
self.drawHandle(painter, QxtSpanSlider.LowerHandle)
self.drawHandle(painter, QxtSpanSlider.UpperHandle)
