def paintEvent(self, e):
height = self.height()
width = self.width()
# draw background
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
painter.setPen(Qt.transparent)
painter.setBrush(BACKGROUND)
painter.setOpacity(1)
path = QPainterPath()
path.setFillRule(Qt.WindingFill)
path.addRoundedRect(QRectF(8, 0, width - 8, height), 15, 15)
painter.drawPath(path.simplified())
# draw sidebar
painter.setBrush(SIDEBAR)
painter.setOpacity(1)
path = QPainterPath()
path.setFillRule(Qt.WindingFill)
# we draw a fixed-width toolbar background
path.addRoundedRect(QRectF(8, 0, 250 - 8, height), 15, 15)
path.addRect(QRectF(200, 0, 50, 50))
path.addRect(QRectF(200, height - 50, 50, 50))
painter.drawPath(path.simplified())
def paintEvent(self, event):
painter = QPainter(self)
painter.setClipRegion(event.region())
if (
self.testPaintAttribute(self.BackingStore)
and self.__data.backingStore is not None
):
bs = self.__data.backingStore
if QT_MAJOR_VERSION >= 5:
pixelRatio = bs.devicePixelRatio()
else:
pixelRatio = 1.0
if bs.size() != self.size() * pixelRatio:
bs = QwtPainter.backingStore(self, self.size())
if self.testAttribute(Qt.WA_StyledBackground):
p = QPainter(bs)
qwtFillBackground(p, self)
self.drawCanvas(p, True)
else:
p = QPainter()
if self.__data.borderRadius <= 0.0:
# print('**DEBUG: QwtPlotCanvas.paintEvent')
QwtPainter.fillPixmap(self, bs)
p.begin(bs)
self.drawCanvas(p, False)
else:
p.begin(bs)
qwtFillBackground(p, self)
self.drawCanvas(p, True)
if self.frameWidth() > 0:
self.drawBorder(p)
p.end()
painter.drawPixmap(0, 0, self.__data.backingStore)
else:
if self.testAttribute(Qt.WA_StyledBackground):
if self.testAttribute(Qt.WA_OpaquePaintEvent):
qwtFillBackground(painter, self)
self.drawCanvas(painter, True)
else:
self.drawCanvas(painter, False)
else:
if self.testAttribute(Qt.WA_OpaquePaintEvent):
if self.autoFillBackground():
qwtFillBackground(painter, self)
qwtDrawBackground(painter, self)
else:
if self.borderRadius() > 0.0:
clipPath = QPainterPath()
clipPath.addRect(self.rect())
clipPath = clipPath.subtracted(self.borderPath(self.rect()))
painter.save()
painter.setClipPath(clipPath, Qt.IntersectClip)
qwtFillBackground(painter, self)
qwtDrawBackground(painter, self)
painter.restore()
self.drawCanvas(painter, False)
if self.frameWidth() > 0:
self.drawBorder(painter)
if self.hasFocus() and self.focusIndicator() == self.CanvasFocusIndicator:
self.drawFocusIndicator(painter)
def get_line_path(points, shape_type):
line_path = QPainterPath()
if shape_type == 'rectangle' and len(points) == 2:
rectangle = Shape.getRectFromLine(*points)
line_path.addRect(rectangle)
elif shape_type == 'circle' and len(points) == 2:
rectangle = Shape.getCircleRectFromLine(points)
line_path.addEllipse(rectangle)
elif shape_type == 'linestrip' and points:
line_path.moveTo(points[0])
for p in points:
line_path.lineTo(p)
elif shape_type in ['curve', 'freeform'] and points:
# Paint Bezier curve across given points.
refined_points = BezierB(points).smooth()
line_path.moveTo(refined_points[0])
for p in refined_points:
line_path.lineTo(p)
elif points:
line_path.moveTo(points[0])
for p in points:
line_path.lineTo(p)
if shape_type == 'polygon':
line_path.lineTo(points[0])
return line_path
def shape(self) -> QPainterPath:
"""
Shape
Returns
-------
value : QPainterPath
"""
# TODO DEBUG_DRAWING
if debug_drawing:
path = QPainterPath()
path.addRect(self.boundingRect())
return path
return ConnectionPainter.get_painter_stroke(self._geometry)
def paint_vertices(painter,
points,
scale,
highlight=None,
highlight_mode=None):
path = QPainterPath()
if highlight is not None:
vertex_fill_color = Shape.hvertex_fill_color
else:
vertex_fill_color = Shape.vertex_fill_color
for i, point in enumerate(points):
d = Shape.point_size / scale
shape = Shape.def_point_type
if i == highlight:
size, shape = Shape._highlightSettings[highlight_mode]
d *= size
if shape == Shape.P_SQUARE:
path.addRect(point.x() - d / 2, point.y() - d / 2, d, d)
elif shape == Shape.P_ROUND:
path.addEllipse(point, d / 2.0, d / 2.0)
else:
assert False, 'unsupported vertex shape'
painter.drawPath(path)
painter.fillPath(path, vertex_fill_color)
def update_canvas(self):
""" """
w, h = self.parent.size().width(), self.parent.size().height()
self.path_full = QPainterPath()
self.path_subtract = QPainterPath()
self.path_decoration = QPainterPath()
self.region_mask = QRegion(0, 0, w, h)
self.path_full.addRect(0, 0, w, h)
# Add the path
if self.widgets is not None:
for widget in self.widgets:
temp_path = QPainterPath()
# if widget is not found... find more general way to handle
if widget is not None:
widget.raise_()
widget.show()
geo = widget.frameGeometry()
width, height = geo.width(), geo.height()
point = widget.mapTo(self.parent, QPoint(0, 0))
x, y = point.x(), point.y()
temp_path.addRect(QRectF(x, y, width, height))
temp_region = QRegion(x, y, width, height)
if self.interaction_on:
self.region_mask = self.region_mask.subtracted(temp_region)
self.path_subtract = self.path_subtract.united(temp_path)
self.path_current = self.path_full.subtracted(self.path_subtract)
else:
self.path_current = self.path_full
if self.decoration is not None:
for widget in self.decoration:
temp_path = QPainterPath()
widget.raise_()
widget.show()
geo = widget.frameGeometry()
width, height = geo.width(), geo.height()
point = widget.mapTo(self.parent, QPoint(0, 0))
x, y = point.x(), point.y()
temp_path.addRect(QRectF(x, y, width, height))
temp_region_1 = QRegion(x - 1, y - 1, width + 2, height + 2)
temp_region_2 = QRegion(x + 1, y + 1, width - 2, height - 2)
temp_region = temp_region_1.subtracted(temp_region_2)
if self.interaction_on:
self.region_mask = self.region_mask.united(temp_region)
self.path_decoration = self.path_decoration.united(temp_path)
else:
self.path_decoration.addRect(0, 0, 0, 0)
# Add a decoration stroke around widget
self.setMask(self.region_mask)
self.update()
self.repaint()
class FadingCanvas(FadingDialog):
"""The black semi transparent canvas that covers the application"""
def __init__(self,
parent,
opacity,
duration,
easing_curve,
color,
tour=None):
"""Create a black semi transparent canvas that covers the app."""
super(FadingCanvas, self).__init__(parent, opacity, duration,
easing_curve)
self.parent = parent
self.tour = tour
self.color = color # Canvas color
self.color_decoration = Qt.red # Decoration color
self.stroke_decoration = 2 # width in pixels for decoration
self.region_mask = None
self.region_subtract = None
self.region_decoration = None
self.widgets = None # The widget to uncover
self.decoration = None # The widget to draw decoration
self.interaction_on = False
self.path_current = None
self.path_subtract = None
self.path_full = None
self.path_decoration = None
# widget setup
self.setWindowFlags(Qt.Dialog | Qt.FramelessWindowHint)
self.setAttribute(Qt.WA_TranslucentBackground)
self.setAttribute(Qt.WA_TransparentForMouseEvents)
self.setModal(False)
self.setFocusPolicy(Qt.NoFocus)
self.set_funcs_before_fade_in([self.update_canvas])
self.set_funcs_after_fade_out([
lambda: self.update_widgets(None),
lambda: self.update_decoration(None)
])
def set_interaction(self, value):
""" """
self.interaction_on = value
def update_canvas(self):
""" """
w, h = self.parent.size().width(), self.parent.size().height()
self.path_full = QPainterPath()
self.path_subtract = QPainterPath()
self.path_decoration = QPainterPath()
self.region_mask = QRegion(0, 0, w, h)
self.path_full.addRect(0, 0, w, h)
# Add the path
if self.widgets is not None:
for widget in self.widgets:
temp_path = QPainterPath()
# if widget is not found... find more general way to handle
if widget is not None:
widget.raise_()
widget.show()
geo = widget.frameGeometry()
width, height = geo.width(), geo.height()
point = widget.mapTo(self.parent, QPoint(0, 0))
x, y = point.x(), point.y()
temp_path.addRect(QRectF(x, y, width, height))
temp_region = QRegion(x, y, width, height)
if self.interaction_on:
self.region_mask = self.region_mask.subtracted(temp_region)
self.path_subtract = self.path_subtract.united(temp_path)
self.path_current = self.path_full.subtracted(self.path_subtract)
else:
self.path_current = self.path_full
if self.decoration is not None:
for widget in self.decoration:
temp_path = QPainterPath()
widget.raise_()
widget.show()
geo = widget.frameGeometry()
width, height = geo.width(), geo.height()
point = widget.mapTo(self.parent, QPoint(0, 0))
x, y = point.x(), point.y()
temp_path.addRect(QRectF(x, y, width, height))
temp_region_1 = QRegion(x - 1, y - 1, width + 2, height + 2)
temp_region_2 = QRegion(x + 1, y + 1, width - 2, height - 2)
temp_region = temp_region_1.subtracted(temp_region_2)
if self.interaction_on:
self.region_mask = self.region_mask.united(temp_region)
self.path_decoration = self.path_decoration.united(temp_path)
else:
self.path_decoration.addRect(0, 0, 0, 0)
# Add a decoration stroke around widget
self.setMask(self.region_mask)
self.update()
self.repaint()
def update_widgets(self, widgets):
""" """
self.widgets = widgets
def update_decoration(self, widgets):
""" """
self.decoration = widgets
def paintEvent(self, event):
"""Override Qt method"""
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
# Decoration
painter.fillPath(self.path_current, QBrush(self.color))
painter.strokePath(self.path_decoration,
QPen(self.color_decoration, self.stroke_decoration))
# decoration_fill = QColor(self.color_decoration)
# decoration_fill.setAlphaF(0.25)
# painter.fillPath(self.path_decoration, decoration_fill)
def reject(self):
"""Override Qt method"""
if not self.is_fade_running():
key = Qt.Key_Escape
self.key_pressed = key
self.sig_key_pressed.emit()
def mousePressEvent(self, event):
"""Override Qt method"""
pass
def focusInEvent(self, event):
"""Override Qt method."""
# To be used so tips do not appear outside spyder
if self.hasFocus():
self.tour.gain_focus()
def focusOutEvent(self, event):
"""Override Qt method."""
# To be used so tips do not appear outside spyder
if self.tour.step_current != 0:
self.tour.lost_focus()
def update_canvas(self):
""" """
w, h = self.parent.size().width(), self.parent.size().height()
self.path_full = QPainterPath()
self.path_subtract = QPainterPath()
self.path_decoration = QPainterPath()
self.region_mask = QRegion(0, 0, w, h)
self.path_full.addRect(0, 0, w, h)
# Add the path
if self.widgets is not None:
for widget in self.widgets:
temp_path = QPainterPath()
# if widget is not found... find more general way to handle
if widget is not None:
widget.raise_()
widget.show()
geo = widget.frameGeometry()
width, height = geo.width(), geo.height()
point = widget.mapTo(self.parent, QPoint(0, 0))
x, y = point.x(), point.y()
temp_path.addRect(QRectF(x, y, width, height))
temp_region = QRegion(x, y, width, height)
if self.interaction_on:
self.region_mask = self.region_mask.subtracted(temp_region)
self.path_subtract = self.path_subtract.united(temp_path)
self.path_current = self.path_full.subtracted(self.path_subtract)
else:
self.path_current = self.path_full
if self.decoration is not None:
for widget in self.decoration:
temp_path = QPainterPath()
widget.raise_()
widget.show()
geo = widget.frameGeometry()
width, height = geo.width(), geo.height()
point = widget.mapTo(self.parent, QPoint(0, 0))
x, y = point.x(), point.y()
temp_path.addRect(QRectF(x, y, width, height))
temp_region_1 = QRegion(x-1, y-1, width+2, height+2)
temp_region_2 = QRegion(x+1, y+1, width-2, height-2)
temp_region = temp_region_1.subtracted(temp_region_2)
if self.interaction_on:
self.region_mask = self.region_mask.united(temp_region)
self.path_decoration = self.path_decoration.united(temp_path)
else:
self.path_decoration.addRect(0, 0, 0, 0)
# Add a decoration stroke around widget
self.setMask(self.region_mask)
self.update()
self.repaint()
class FadingCanvas(FadingDialog):
"""The black semi transparent canvas that covers the application"""
def __init__(self, parent, opacity, duration, easing_curve, color,
tour=None):
"""Create a black semi transparent canvas that covers the app."""
super(FadingCanvas, self).__init__(parent, opacity, duration,
easing_curve)
self.parent = parent
self.tour = tour
self.color = color # Canvas color
self.color_decoration = Qt.red # Decoration color
self.stroke_decoration = 2 # width in pixels for decoration
self.region_mask = None
self.region_subtract = None
self.region_decoration = None
self.widgets = None # The widget to uncover
self.decoration = None # The widget to draw decoration
self.interaction_on = False
self.path_current = None
self.path_subtract = None
self.path_full = None
self.path_decoration = None
# widget setup
self.setWindowFlags(Qt.Dialog | Qt.FramelessWindowHint)
self.setAttribute(Qt.WA_TranslucentBackground)
self.setAttribute(Qt.WA_TransparentForMouseEvents)
self.setModal(False)
self.setFocusPolicy(Qt.NoFocus)
self.set_funcs_before_fade_in([self.update_canvas])
self.set_funcs_after_fade_out([lambda: self.update_widgets(None),
lambda: self.update_decoration(None)])
def set_interaction(self, value):
""" """
self.interaction_on = value
def update_canvas(self):
""" """
w, h = self.parent.size().width(), self.parent.size().height()
self.path_full = QPainterPath()
self.path_subtract = QPainterPath()
self.path_decoration = QPainterPath()
self.region_mask = QRegion(0, 0, w, h)
self.path_full.addRect(0, 0, w, h)
# Add the path
if self.widgets is not None:
for widget in self.widgets:
temp_path = QPainterPath()
# if widget is not found... find more general way to handle
if widget is not None:
widget.raise_()
widget.show()
geo = widget.frameGeometry()
width, height = geo.width(), geo.height()
point = widget.mapTo(self.parent, QPoint(0, 0))
x, y = point.x(), point.y()
temp_path.addRect(QRectF(x, y, width, height))
temp_region = QRegion(x, y, width, height)
if self.interaction_on:
self.region_mask = self.region_mask.subtracted(temp_region)
self.path_subtract = self.path_subtract.united(temp_path)
self.path_current = self.path_full.subtracted(self.path_subtract)
else:
self.path_current = self.path_full
if self.decoration is not None:
for widget in self.decoration:
temp_path = QPainterPath()
widget.raise_()
widget.show()
geo = widget.frameGeometry()
width, height = geo.width(), geo.height()
point = widget.mapTo(self.parent, QPoint(0, 0))
x, y = point.x(), point.y()
temp_path.addRect(QRectF(x, y, width, height))
temp_region_1 = QRegion(x-1, y-1, width+2, height+2)
temp_region_2 = QRegion(x+1, y+1, width-2, height-2)
temp_region = temp_region_1.subtracted(temp_region_2)
if self.interaction_on:
self.region_mask = self.region_mask.united(temp_region)
self.path_decoration = self.path_decoration.united(temp_path)
else:
self.path_decoration.addRect(0, 0, 0, 0)
# Add a decoration stroke around widget
self.setMask(self.region_mask)
self.update()
self.repaint()
def update_widgets(self, widgets):
""" """
self.widgets = widgets
def update_decoration(self, widgets):
""" """
self.decoration = widgets
def paintEvent(self, event):
"""Override Qt method"""
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
# Decoration
painter.fillPath(self.path_current, QBrush(self.color))
painter.strokePath(self.path_decoration, QPen(self.color_decoration,
self.stroke_decoration))
# decoration_fill = QColor(self.color_decoration)
# decoration_fill.setAlphaF(0.25)
# painter.fillPath(self.path_decoration, decoration_fill)
def reject(self):
"""Override Qt method"""
if not self.is_fade_running():
key = Qt.Key_Escape
self.key_pressed = key
self.sig_key_pressed.emit()
def mousePressEvent(self, event):
"""Override Qt method"""
pass
def focusInEvent(self, event):
"""Override Qt method."""
# To be used so tips do not appear outside spyder
if self.hasFocus():
self.tour.gain_focus()
def focusOutEvent(self, event):
"""Override Qt method."""
# To be used so tips do not appear outside spyder
if self.tour.step_current != 0:
self.tour.lost_focus()
def drawFrame(
self,
painter,
rect,
palette,
foregroundRole,
frameWidth,
midLineWidth,
frameStyle,
):
"""
Draw a rectangular frame
:param QPainter painter: Painter
:param QRectF rect: Frame rectangle
:param QPalette palette: Palette
:param QPalette.ColorRole foregroundRole: Palette
:param int frameWidth: Frame width
:param int midLineWidth: Used for `QFrame.Box`
:param int frameStyle: bitwise OR´ed value of `QFrame.Shape` and `QFrame.Shadow`
"""
if frameWidth <= 0 or rect.isEmpty():
return
shadow = frameStyle & QFrame.Shadow_Mask
painter.save()
if shadow == QFrame.Plain:
outerRect = rect.adjusted(0.0, 0.0, -1.0, -1.0)
innerRect = outerRect.adjusted(frameWidth, frameWidth, -frameWidth,
-frameWidth)
path = QPainterPath()
path.addRect(outerRect)
path.addRect(innerRect)
painter.setPen(Qt.NoPen)
painter.setBrush(palette.color(foregroundRole))
painter.drawPath(path)
else:
shape = frameStyle & QFrame.Shape_Mask
if shape == QFrame.Box:
outerRect = rect.adjusted(0.0, 0.0, -1.0, -1.0)
midRect1 = outerRect.adjusted(frameWidth, frameWidth,
-frameWidth, -frameWidth)
midRect2 = midRect1.adjusted(midLineWidth, midLineWidth,
-midLineWidth, -midLineWidth)
innerRect = midRect2.adjusted(frameWidth, frameWidth,
-frameWidth, -frameWidth)
path1 = QPainterPath()
path1.moveTo(outerRect.bottomLeft())
path1.lineTo(outerRect.topLeft())
path1.lineTo(outerRect.topRight())
path1.lineTo(midRect1.topRight())
path1.lineTo(midRect1.topLeft())
path1.lineTo(midRect1.bottomLeft())
path2 = QPainterPath()
path2.moveTo(outerRect.bottomLeft())
path2.lineTo(outerRect.bottomRight())
path2.lineTo(outerRect.topRight())
path2.lineTo(midRect1.topRight())
path2.lineTo(midRect1.bottomRight())
path2.lineTo(midRect1.bottomLeft())
path3 = QPainterPath()
path3.moveTo(midRect2.bottomLeft())
path3.lineTo(midRect2.topLeft())
path3.lineTo(midRect2.topRight())
path3.lineTo(innerRect.topRight())
path3.lineTo(innerRect.topLeft())
path3.lineTo(innerRect.bottomLeft())
path4 = QPainterPath()
path4.moveTo(midRect2.bottomLeft())
path4.lineTo(midRect2.bottomRight())
path4.lineTo(midRect2.topRight())
path4.lineTo(innerRect.topRight())
path4.lineTo(innerRect.bottomRight())
path4.lineTo(innerRect.bottomLeft())
path5 = QPainterPath()
path5.addRect(midRect1)
path5.addRect(midRect2)
painter.setPen(Qt.NoPen)
brush1 = palette.dark().color()
brush2 = palette.light().color()
if shadow == QFrame.Raised:
brush1, brush2 = brush2, brush1
painter.setBrush(brush1)
painter.drawPath(path1)
painter.drawPath(path4)
painter.setBrush(brush2)
painter.drawPath(path2)
painter.drawPath(path3)
painter.setBrush(palette.mid())
painter.drawPath(path5)
else:
outerRect = rect.adjusted(0.0, 0.0, -1.0, -1.0)
innerRect = outerRect.adjusted(
frameWidth - 1.0,
frameWidth - 1.0,
-(frameWidth - 1.0),
-(frameWidth - 1.0),
)
path1 = QPainterPath()
path1.moveTo(outerRect.bottomLeft())
path1.lineTo(outerRect.topLeft())
path1.lineTo(outerRect.topRight())
path1.lineTo(innerRect.topRight())
path1.lineTo(innerRect.topLeft())
path1.lineTo(innerRect.bottomLeft())
path2 = QPainterPath()
path2.moveTo(outerRect.bottomLeft())
path2.lineTo(outerRect.bottomRight())
path2.lineTo(outerRect.topRight())
path2.lineTo(innerRect.topRight())
path2.lineTo(innerRect.bottomRight())
path2.lineTo(innerRect.bottomLeft())
painter.setPen(Qt.NoPen)
brush1 = palette.dark().color()
brush2 = palette.light().color()
if shadow == QFrame.Raised:
brush1, brush2 = brush2, brush1
painter.setBrush(brush1)
painter.drawPath(path1)
painter.setBrush(brush2)
painter.drawPath(path2)
painter.restore()
def shape(self):
path = QPainterPath()
path.addRect(self._bRect)
return path
class BarPlotItem(GraphicsObject):
"""
Has a similar method signature as `matplotlib.axes.hist`.
"""
def __init__(self):
super().__init__()
self.qpicture: Optional[QPicture] = None
def setData(
self,
x,
height,
width=0.8,
bottom=None,
*,
align="center",
fillcolor=None,
edgecolor=None,
) -> None:
# assume vertical
cbook._check_in_list(["center", "edge"], align=align)
y = bottom
if y is None:
y = 0
x, height, width, y = np.broadcast_arrays(np.atleast_1d(x), height, width, y)
if align == "center":
try:
left = x - width / 2
except TypeError as e:
raise TypeError(
f"the dtypes of parameters x ({x.dtype}) "
f"and width ({width.dtype}) "
f"are incompatible"
) from e
elif align == "edge":
left = x
else:
raise RuntimeError(f"unknown align mode {align}")
bottom = y
# prepare to draw
if edgecolor is None:
edgecolor = (128, 128, 128) # getConfigOption("foreground")
pen = mkPen(edgecolor)
if fillcolor is None:
fillcolor = (128, 128, 128)
brush = mkBrush(fillcolor)
self.qpicture = QPicture()
self.path = QPainterPath()
p = QPainter(self.qpicture)
p.setPen(pen)
p.setBrush(brush)
# draw
rects = zip(left, bottom, width, height)
for l, b, w, h in rects:
rect = QRectF(l, b, w, h)
p.drawRect(rect)
self.path.addRect(rect)
p.end()
self.prepareGeometryChange()
def paint(self, p: QPainter, *args) -> None:
if self.qpicture is None:
return
self.qpicture.play(p)
def boundingRect(self) -> QRectF:
if self.qpicture is None:
return QRectF(0.0, 0.0, 0.0, 0.0)
return QRectF(self.qpicture.boundingRect())
