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: QPaintEvent) -> None:
"""
Render the scrollbars using Qt's draw control, and render the frame elements
dependent on whether the partner horizontal / vertical scrollbar is also visible
"""
painter = QStylePainter(self)
if self.orientation() == Qt.Vertical:
painter.translate(0.0, self.frame_width)
else:
painter.translate(self.frame_width, 0.0)
option = QStyleOptionSlider()
option.initFrom(self)
option.maximum = self.maximum()
option.minimum = self.minimum()
option.pageStep = self.pageStep()
option.singleStep = self.singleStep()
option.sliderPosition = self.sliderPosition()
option.orientation = self.orientation()
if self.orientation() == Qt.Horizontal:
option.state |= QStyle.State_Horizontal
rect = self.renderRect()
option.rect = rect
option.palette = self.palette()
option.subControls = (
QStyle.SC_ScrollBarAddLine
| QStyle.SC_ScrollBarSubLine
| QStyle.SC_ScrollBarAddPage
| QStyle.SC_ScrollBarSubPage
| QStyle.SC_ScrollBarFirst
| QStyle.SC_ScrollBarLast
)
painter.fillRect(
option.rect, QApplication.palette().window().color().darker(102)
)
self.style().drawComplexControl(QStyle.CC_ScrollBar, option, painter)
# Highlight the handle (slider) on mouse over, otherwise render it as normal
option.subControls = QStyle.SC_ScrollBarSlider
if option.state & QStyle.State_MouseOver == QStyle.State_MouseOver:
palette = self.palette()
if sys.platform == "win32":
color = self.palette().base().color()
else:
color = self.palette().button().color().lighter(102)
palette.setColor(QPalette.Button, color)
option.palette = palette
self.style().drawComplexControl(QStyle.CC_ScrollBar, option, painter)
# Render the borders
painter.resetTransform()
painter.setPen(self.midPen)
self.renderEdges(painter)
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() == QtCore.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)
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)
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, event):
# based on
# http://qt.gitorious.org/qt/qt/blobs/master/src/gui/widgets/qslider.cpp
painter = QPainter(self)
style = self.style()
opt = QStyleOptionSlider()
self.initStyleOption(opt)
groove_rect = style.subControlRect(style.CC_Slider, opt,
QStyle.SC_SliderGroove, self)
handle_rect = style.subControlRect(style.CC_Slider, opt,
QStyle.SC_SliderHandle, self)
slider_space = style.pixelMetric(style.PM_SliderSpaceAvailable, opt)
range_x = style.sliderPositionFromValue(self.minimum(), self.maximum(),
self.value(), slider_space)
range_height = 4
groove_rect = QRectF(groove_rect.x(),
handle_rect.center().y() - (range_height / 2),
groove_rect.width(), range_height)
range_rect = QRectF(groove_rect.x(),
handle_rect.center().y() - (range_height / 2),
range_x, range_height)
if style.metaObject().className() != 'QMacStyle':
# Paint groove for Fusion and Windows styles
cur_brush = painter.brush()
cur_pen = painter.pen()
painter.setBrush(QBrush(QColor(169, 169, 169)))
painter.setPen(Qt.NoPen)
# painter.drawRect(groove_rect)
painter.drawRoundedRect(groove_rect,
groove_rect.height() / 2,
groove_rect.height() / 2)
painter.setBrush(cur_brush)
painter.setPen(cur_pen)
cur_brush = painter.brush()
cur_pen = painter.pen()
painter.setBrush(QBrush(QColor(18, 141, 148)))
painter.setPen(Qt.NoPen)
painter.drawRect(range_rect)
painter.setBrush(cur_brush)
painter.setPen(cur_pen)
opt = QStyleOptionSlider()
self.initStyleOption(opt)
opt.subControls = QStyle.SC_SliderHandle
if self.tickPosition() != self.NoTicks:
opt.subControls |= QStyle.SC_SliderTickmarks
if self.isSliderDown():
opt.state |= QStyle.State_Sunken
else:
opt.state |= QStyle.State_Active
opt.activeSubControls = QStyle.SC_None
opt.sliderPosition = self.value()
opt.sliderValue = self.value()
style.drawComplexControl(QStyle.CC_Slider, opt, painter, self)
