def paintEvent(self, QPaintEvent):
self.updatePosition()
painter = QPainter(self)
painter.fillRect(self.rect(), Qt.transparent)
painter.setRenderHint(QPainter.Antialiasing, True)
if self._currentCounter >= self._numberOfLines:
self._currentCounter = 0
painter.setPen(Qt.NoPen)
for i in range(self._numberOfLines):
painter.save()
painter.translate(self._innerRadius + self._lineLength,
self._innerRadius + self._lineLength)
rotateAngle = float(360 * i) / float(self._numberOfLines)
painter.rotate(rotateAngle)
painter.translate(self._innerRadius, 0)
distance = self.lineCountDistanceFromPrimary(
i, self._currentCounter, self._numberOfLines)
color = self.currentLineColor(distance, self._numberOfLines,
self._trailFadePercentage,
self._minimumTrailOpacity,
self._color)
painter.setBrush(color)
painter.drawRoundedRect(
QRectF(0, -self._lineWidth / 2, self._lineLength,
self._lineWidth), self._roundness, self._roundness,
Qt.RelativeSize)
painter.restore()
def paint(self, painter: QPainter, option: QStyleOptionViewItem, index: QModelIndex):
"""Renders the delegate using the given painter and style option for the item specified by index.
:param painter: A QPainter object to draw
:param option: Options to describe what should be drawn
:param index: _description_
"""
if not index.isValid():
return
# Initialize the style options. This is not very Pythonic as it uses C++
# references under the hood so opt is affected by the second call
opt = QStyleOptionViewItem(option)
self.initStyleOption(opt, index)
# Standard setup, paint, restore operation
painter.save()
try:
painter.setClipRect(opt.rect)
foreground_colour, background_colour = index.data(Qt.ForegroundRole), index.data(Qt.BackgroundRole)
if foreground_colour is not None:
painter.setPen(foreground_colour)
if background_colour is not None:
painter.fillRect(option.rect, background_colour)
padding = self._padding
opt.rect = option.rect.adjusted(padding, padding, -padding, -padding)
painter.drawText(opt.rect, int(Qt.AlignLeft | Qt.AlignVCenter),
opt.fontMetrics.elidedText(opt.text, Qt.ElideRight, opt.rect.width()))
finally:
painter.restore()
def paintEvent(self, event):
"""
Override Qt method.
Painting the scroll flag area
"""
make_flag = self.make_flag_qrect
make_slider = self.make_slider_range
# Filling the whole painting area
painter = QPainter(self)
painter.fillRect(event.rect(), self.editor.sideareas_color)
block = self.editor.document().firstBlock()
# Painting warnings and todos
for line_number in range(1, self.editor.document().blockCount() + 1):
data = block.userData()
if data:
position = self.value_to_position(line_number)
if data.code_analysis:
# Warnings
color = self.editor.warning_color
for _message, error in data.code_analysis:
if error:
color = self.editor.error_color
break
self.set_painter(painter, color)
painter.drawRect(make_flag(position))
if data.todo:
# TODOs
self.set_painter(painter, self.editor.todo_color)
painter.drawRect(make_flag(position))
if data.breakpoint:
# Breakpoints
self.set_painter(painter, self.editor.breakpoint_color)
painter.drawRect(make_flag(position))
block = block.next()
# Occurrences
if self.editor.occurrences:
self.set_painter(painter, self.editor.occurrence_color)
for line_number in self.editor.occurrences:
position = self.value_to_position(line_number)
painter.drawRect(make_flag(position))
# Found results
if self.editor.found_results:
self.set_painter(painter, self.editor.found_results_color)
for line_number in self.editor.found_results:
position = self.value_to_position(line_number)
painter.drawRect(make_flag(position))
# Painting the slider range
pen_color = QColor(Qt.white)
pen_color.setAlphaF(.8)
painter.setPen(pen_color)
brush_color = QColor(Qt.white)
brush_color.setAlphaF(.5)
painter.setBrush(QBrush(brush_color))
painter.drawRect(
make_slider(self.editor.firstVisibleBlock().blockNumber()))
def paintEvent(self, event: QPaintEvent):
painter = QPainter(self)
painter.drawImage(self.rect(), self.image)
if self.show_frame:
painter.save()
pen = QPen()
pen.setWidth(2)
pen.setColor(QColor("black"))
painter.setPen(pen)
rect = QRect(1, 1, self.width() - 2, self.height() - 2)
painter.drawRect(rect)
pen.setColor(QColor("white"))
painter.setPen(pen)
rect = QRect(3, 3, self.width() - 6, self.height() - 6)
painter.drawRect(rect)
painter.restore()
if self.show_arrow:
painter.save()
triangle = QPolygonF()
dist = 4
point1 = QPoint(self.width() - self.triangle_width, 0)
size = QSize(20, self.height() // 2)
rect = QRect(point1, size)
painter.fillRect(rect, QColor("white"))
triangle.append(point1 + QPoint(dist, dist))
triangle.append(point1 + QPoint(size.width() - dist, dist))
triangle.append(point1 + QPoint(size.width() // 2,
size.height() - dist))
painter.setBrush(Qt.black)
painter.drawPolygon(triangle, Qt.WindingFill)
painter.restore()
def paintEvent(self, a0: QPaintEvent) -> None:
super().paintEvent(a0)
painter = QPainter(self)
painter.save()
painter.setRenderHint(QPainter.Antialiasing)
pen2 = QPen()
rect = QRectF(self.margin,
self.height() / 2,
self.width() - self.margin * 2,
self.height() / 2 - self.margin)
rect2 = QRectF(3 * self.margin, 2 * self.margin,
self.width() - self.margin * 6, self.height())
pen2.setWidth(6)
painter.setPen(pen2)
painter.drawArc(rect2, 0, 180 * 16)
pen2.setWidth(3)
pen2.setColor(Qt.white)
painter.setPen(pen2)
painter.drawArc(rect2, 0, 180 * 16)
painter.fillRect(rect, Qt.white)
pen2.setWidth(2)
pen2.setColor(Qt.black)
painter.setPen(pen2)
painter.drawRect(rect)
painter.restore()
def paintEvent(self, event): # this puts the line numbers in the margin
painter = QPainter(self)
painter.fillRect(event.rect(), self.background)
block = self.parent.firstVisibleBlock()
font = self.parent.font()
while block.isValid():
block_num = block.blockNumber()
block_top = self.parent.blockBoundingGeometry(block).translated(
self.parent.contentOffset()).top()
# if the block is not visible stop wasting time
if not block.isVisible() or block_top >= event.rect().bottom():
break
if block_num == self.parent.textCursor().blockNumber():
font.setBold(True)
painter.setFont(font)
painter.setPen(self.highlight_color)
background = self.highlight_background
else:
font.setBold(False)
painter.setFont(font)
painter.setPen(self.color)
background = self.background
text_rec = QRect(0, block_top, self.width(),
self.parent.fontMetrics().height())
painter.fillRect(text_rec, background)
painter.drawText(text_rec, Qt.AlignRight, str(block_num + 1))
block = block.next()
painter.end()
QWidget.paintEvent(self, event)
def paintEvent(self, event):
"""
Override Qt method.
Painting the scroll flag area
"""
make_flag = self.make_flag_qrect
make_slider = self.make_slider_range
# Filling the whole painting area
painter = QPainter(self)
painter.fillRect(event.rect(), self.editor.sideareas_color)
block = self.editor.document().firstBlock()
# Painting warnings and todos
for line_number in range(1, self.editor.document().blockCount()+1):
data = block.userData()
if data:
position = self.value_to_position(line_number)
if data.code_analysis:
# Warnings
color = self.editor.warning_color
for _message, error in data.code_analysis:
if error:
color = self.editor.error_color
break
self.set_painter(painter, color)
painter.drawRect(make_flag(position))
if data.todo:
# TODOs
self.set_painter(painter, self.editor.todo_color)
painter.drawRect(make_flag(position))
if data.breakpoint:
# Breakpoints
self.set_painter(painter, self.editor.breakpoint_color)
painter.drawRect(make_flag(position))
block = block.next()
# Occurrences
if self.editor.occurrences:
self.set_painter(painter, self.editor.occurrence_color)
for line_number in self.editor.occurrences:
position = self.value_to_position(line_number)
painter.drawRect(make_flag(position))
# Found results
if self.editor.found_results:
self.set_painter(painter, self.editor.found_results_color)
for line_number in self.editor.found_results:
position = self.value_to_position(line_number)
painter.drawRect(make_flag(position))
# Painting the slider range
pen_color = QColor(Qt.white)
pen_color.setAlphaF(.8)
painter.setPen(pen_color)
brush_color = QColor(Qt.white)
brush_color.setAlphaF(.5)
painter.setBrush(QBrush(brush_color))
painter.drawRect(make_slider(self.editor.firstVisibleBlock().blockNumber()))
def paintEvent(self, event):
"""Override Qt method.
Painting line number area
"""
painter = QPainter(self)
painter.fillRect(event.rect(), self.editor.sideareas_color)
# This is needed to make that the font size of line numbers
# be the same as the text one when zooming
# See Issue 2296 and 4811
font = self.editor.font()
font_height = self.editor.fontMetrics().height()
active_block = self.editor.textCursor().block()
active_line_number = active_block.blockNumber() + 1
def draw_pixmap(ytop, pixmap):
if not QT55_VERSION:
pixmap_height = pixmap.height()
else:
# scale pixmap height to device independent pixels
pixmap_height = pixmap.height() / pixmap.devicePixelRatio()
painter.drawPixmap(0, ytop + (font_height-pixmap_height) / 2,
pixmap)
for top, line_number, block in self.editor.visible_blocks:
if self._margin:
if line_number == active_line_number:
font.setWeight(font.Bold)
painter.setFont(font)
painter.setPen(self.editor.normal_color)
else:
font.setWeight(font.Normal)
painter.setFont(font)
painter.setPen(self.linenumbers_color)
painter.drawText(0, top, self.width(),
font_height,
Qt.AlignRight | Qt.AlignBottom,
to_text_string(line_number))
data = block.userData()
if self._markers_margin and data:
if data.code_analysis:
for source, code, severity, message in data.code_analysis:
error = severity == DiagnosticSeverity.ERROR
if error:
break
if error:
draw_pixmap(top, self.error_pixmap)
else:
draw_pixmap(top, self.warning_pixmap)
if data.todo:
draw_pixmap(top, self.todo_pixmap)
if data.breakpoint:
if data.breakpoint_condition is None:
draw_pixmap(top, self.bp_pixmap)
else:
draw_pixmap(top, self.bpc_pixmap)
def paintEvent(self, event):
"""Override Qt method.
Painting line number area
"""
painter = QPainter(self)
painter.fillRect(event.rect(), self.editor.sideareas_color)
# This is needed to make that the font size of line numbers
# be the same as the text one when zooming
# See Issue 2296
if sys.platform == 'darwin':
font = self.editor.font()
else:
font = painter.font()
font_height = self.editor.fontMetrics().height()
active_block = self.editor.textCursor().block()
active_line_number = active_block.blockNumber() + 1
def draw_pixmap(ytop, pixmap):
painter.drawPixmap(0, ytop + (font_height-pixmap.height()) / 2,
pixmap)
for top, line_number, block in self.editor.visible_blocks:
if self._margin:
if line_number == active_line_number:
font.setWeight(font.Bold)
painter.setFont(font)
painter.setPen(self.editor.normal_color)
else:
font.setWeight(font.Normal)
painter.setFont(font)
painter.setPen(self.linenumbers_color)
painter.drawText(0, top, self.width(),
font_height,
Qt.AlignRight | Qt.AlignBottom,
to_text_string(line_number))
data = block.userData()
if self._markers_margin and data:
if data.code_analysis:
for _message, error in data.code_analysis:
if error:
break
if error:
draw_pixmap(top, self.error_pixmap)
else:
draw_pixmap(top, self.warning_pixmap)
if data.todo:
draw_pixmap(top, self.todo_pixmap)
if data.breakpoint:
if data.breakpoint_condition is None:
draw_pixmap(top, self.bp_pixmap)
else:
draw_pixmap(top, self.bpc_pixmap)
def paintEvent(self, event):
"""Override Qt method.
Paint emojis.
"""
super(EmojiPanel, self).paintEvent(event)
painter = QPainter(self)
painter.fillRect(event.rect(), self.editor.sideareas_color)
for top, __, __ in self.editor.visible_blocks:
self._draw_red(top, painter)
def paintEvent(self, event):
"""Override Qt method.
Painting line number area
"""
painter = QPainter(self)
painter.fillRect(event.rect(), self.editor.sideareas_color)
font_height = self.editor.fontMetrics().height()
def draw_pixmap(xleft, ytop, pixmap):
# Scale pixmap height to device independent pixels
pixmap_height = pixmap.height() / pixmap.devicePixelRatio()
painter.drawPixmap(
xleft,
ceil(ytop + (font_height-pixmap_height) / 2),
pixmap
)
size = self.get_markers_margin() - 2
icon_size = QSize(size, size)
if self._margin:
font = self.editor.font()
fm = QFontMetricsF(font)
if fm.leading() == 0:
self.draw_linenumbers(painter)
else:
# The editor doesn't care about leading, so each line
# must be drawn independently.
self.draw_linenumbers_slow(painter)
for top, line_number, block in self.editor.visible_blocks:
data = block.userData()
if self._markers_margin and data:
if data.code_analysis:
errors = 0
warnings = 0
infos = 0
hints = 0
for _, _, sev, _ in data.code_analysis:
errors += sev == DiagnosticSeverity.ERROR
warnings += sev == DiagnosticSeverity.WARNING
infos += sev == DiagnosticSeverity.INFORMATION
hints += sev == DiagnosticSeverity.HINT
if errors:
draw_pixmap(1, top, self.error_icon.pixmap(icon_size))
elif warnings:
draw_pixmap(
1, top, self.warning_icon.pixmap(icon_size))
elif infos:
draw_pixmap(1, top, self.info_icon.pixmap(icon_size))
elif hints:
draw_pixmap(1, top, self.hint_icon.pixmap(icon_size))
if data.todo:
draw_pixmap(1, top, self.todo_icon.pixmap(icon_size))
def paintEvent(self, event):
"""Fills the panel background using QPalette."""
if self.isVisible() and self.position != self.Position.FLOATING:
# fill background
self._background_brush = QBrush(QColor(
self.editor.sideareas_color))
self._foreground_pen = QPen(QColor(
self.palette().windowText().color()))
painter = QPainter(self)
painter.fillRect(event.rect(), self._background_brush)
def paintEvent(self, event):
"""Fills the panel background using QPalette."""
if self.isVisible():
# fill background
self._background_brush = QBrush(
QColor(self.palette().window().color()))
self._foreground_pen = QPen(
QColor(self.palette().windowText().color()))
painter = QPainter(self)
painter.fillRect(event.rect(), self._background_brush)
def paintEvent(self, event):
"""Fills the panel background using QPalette."""
if self.isVisible() and self.position != self.Position.FLOATING:
# fill background
self._background_brush = QBrush(QColor(
self.editor.sideareas_color))
self._foreground_pen = QPen(QColor(
self.palette().windowText().color()))
painter = QPainter(self)
painter.fillRect(event.rect(), self._background_brush)
def get(self):
"""Override AbstractDataSetWidget method"""
value = self.item.get()
if value is not None:
color = QColor(value)
self.picture = QPicture()
painter = QPainter()
painter.begin(self.picture)
painter.fillRect(QRect(0, 0, 60, 20), QBrush(color))
painter.end()
self.group.setPicture(self.picture)
def paintEvent(self, paintevent):
"""Paints the box"""
painter = QPainter(self)
rect = self.contentsRect()
rect.setWidth(rect.width() - 1)
rect.setHeight(rect.height() - 1)
painter.drawRect(rect)
rect.setX(rect.x() + 1)
rect.setY(rect.y() + 1)
painter.fillRect(rect, self.color)
def paintEvent(self, event):
p = QPainter(self)
p.fillRect(QRect(0, 0, self.width(), self.height()), Qt.gray)
p.setWorldTransform(self.m_window_matrix.toTransform())
mvp = QMatrix4x4(self.m_projection * self.m_view * self.m_model)
p.setTransform(mvp.toTransform(), True)
p.fillPath(painterPathForTriangle(), self.m_brush)
self.m_model.rotate(1, 0, 1, 0)
def linenumberarea_paint_event(self, event):
"""
Paint the line number area.
"""
if self._linenumber_enabled:
painter = QPainter(self.linenumberarea)
painter.fillRect(
event.rect(),
self._highlighter.get_sideareas_color(),
)
block = self.firstVisibleBlock()
block_number = block.blockNumber()
top = round(
self.blockBoundingGeometry(block).translated(
self.contentOffset()).top())
bottom = top + round(self.blockBoundingRect(block).height())
font = self.font()
active_block = self.textCursor().block()
active_line_number = active_block.blockNumber() + 1
while block.isValid() and top <= event.rect().bottom():
if block.isVisible() and bottom >= event.rect().top():
number = block_number + 1
if number == active_line_number:
font.setWeight(font.Bold)
painter.setFont(font)
painter.setPen(
self._highlighter.get_foreground_color())
else:
font.setWeight(font.Normal)
painter.setFont(font)
painter.setPen(QColor(Qt.darkGray))
right_padding = self.linenumberarea._right_padding
painter.drawText(
0,
top,
self.linenumberarea.width() - right_padding,
self.fontMetrics().height(),
Qt.AlignRight,
str(number),
)
block = block.next()
top = bottom
bottom = top + round(self.blockBoundingRect(block).height())
block_number += 1
def paintEvent(self, event):
painter = QPainter(self.viewport())
view_rect = self._translate(event.rect())
if view_rect.y() < 0:
rect = QRect()
rect.setHeight(self.viewport().height() + view_rect.y())
rect.setWidth(self.viewport().width())
brush = self.palette().brush(QPalette.Disabled, QPalette.Window)
painter.fillRect(rect, brush)
for index in self._intersecting_rows(view_rect):
option = self._style_option(index)
delegate = self.itemDelegate(index)
delegate.paint(painter, option, index)
def legendIcon(self, index, size):
"""
:param int index: Index of the legend entry (ignored as there is only one)
:param QSizeF size: Icon size
:return: Icon representing the curve on the legend
.. seealso::
:py:meth:`qwt.plot.QwtPlotItem.setLegendIconSize()`,
:py:meth:`qwt.plot.QwtPlotItem.legendData()`
"""
if size.isEmpty():
return QwtGraphic()
graphic = QwtGraphic()
graphic.setDefaultSize(size)
graphic.setRenderHint(QwtGraphic.RenderPensUnscaled, True)
painter = QPainter(graphic)
painter.setRenderHint(
QPainter.Antialiasing,
self.testRenderHint(QwtPlotItem.RenderAntialiased))
if self.__data.legendAttributes == 0 or (
self.__data.legendAttributes & QwtPlotCurve.LegendShowBrush):
brush = self.__data.brush
if brush.style(
) == Qt.NoBrush and self.__data.legendAttributes == 0:
if self.style() != QwtPlotCurve.NoCurve:
brush = QBrush(self.pen().color())
elif (self.__data.symbol
and self.__data.symbol.style() != QwtSymbol.NoSymbol):
brush = QBrush(self.__data.symbol.pen().color())
if brush.style() != Qt.NoBrush:
r = QRectF(0, 0, size.width(), size.height())
painter.fillRect(r, brush)
if self.__data.legendAttributes & QwtPlotCurve.LegendShowLine:
if self.pen() != Qt.NoPen:
pn = self.pen()
# pn.setCapStyle(Qt.FlatCap)
painter.setPen(pn)
y = 0.5 * size.height()
painter.drawLine(0.0, y, size.width(), y)
if self.__data.legendAttributes & QwtPlotCurve.LegendShowSymbol:
if self.__data.symbol:
r = QRectF(0, 0, size.width(), size.height())
self.__data.symbol.drawSymbol(painter, r)
return graphic
def paintEvent(self, event):
"""
Fill the panel background using QPalette.
Notes
-----
Please remember to extend this method in the child class to
paint the panel's desired information.
"""
if self.isVisible() and self.position != self.Position.FLOATING:
# fill background
self._background_brush = QBrush(QColor(
self.editor.sideareas_color))
self._foreground_pen = QPen(
QColor(self.palette().windowText().color()))
painter = QPainter(self)
painter.fillRect(event.rect(), self._background_brush)
else:
logger.debug(f'paintEvent method must be defined in {self}')
def paintEvent(self, event):
painter = QPainter()
painter.begin(self)
painter.setRenderHint(QPainter.Antialiasing)
painter.fillRect(event.rect(), QBrush(QColor(255, 255, 255, 127)))
painter.setPen(QPen(QtCore.Qt.NoPen))
for i in range(6):
if (self.counter / 5) % 6 == i:
painter.setBrush(QBrush(QColor(127 + (self.counter % 5) * 32, 127, 127)))
else:
painter.setBrush(QBrush(QColor(127, 127, 127)))
painter.drawEllipse(
self.width() / 2 + 30 * np.cos(2 * np.pi * i / 6.0) - 10,
self.height() / 2 + 30 * np.sin(2 * np.pi * i / 6.0) - 10,
20, 20
)
painter.end()
def get_icon(self, name, resample=False):
"""Return image inside a QIcon object.
Parameters
----------
name: str
Image name or icon
resample: bool
If True, manually resample icon pixmaps for usual sizes
(16, 24, 32, 48, 96, 128, 256). This is recommended for
QMainWindow icons created from SVG images on non-Windows
platforms due to a Qt bug. See spyder-ide/spyder#1314.
"""
icon_path = get_image_path(name)
if resample:
# This only applies to the Spyder 2 icons
icon = QIcon(icon_path)
icon0 = QIcon()
for size in (16, 24, 32, 48, 96, 128, 256, 512):
icon0.addPixmap(icon.pixmap(size, size))
return icon0
else:
icon = QIcon()
# Normal state
normal_state = QPixmap(icon_path)
icon.addPixmap(normal_state, QIcon.Normal)
# This is the color GammaRay reports for icons in disabled
# buttons, both for the dark and light themes
disabled_color = QColor(150, 150, 150)
# Paint icon with the previous color to get the disabled state.
# Taken from https://stackoverflow.com/a/65618075/438386
disabled_state = QPixmap(icon_path)
qp = QPainter(disabled_state)
qp.setCompositionMode(QPainter.CompositionMode_SourceIn)
qp.fillRect(disabled_state.rect(), disabled_color)
qp.end()
icon.addPixmap(disabled_state, QIcon.Disabled)
return icon
def paintEvent(self, event):
edit = self.edit
height = edit.fontMetrics().height()
block = edit.firstVisibleBlock()
count = block.blockNumber()
painter = QPainter(self)
painter.fillRect(event.rect(), edit.palette().base())
first = True
while block.isValid():
count += 1
block_top = edit.blockBoundingGeometry(block).translated(
edit.contentOffset()).top()
if not block.isVisible() or block_top > event.rect().bottom():
break
rect = QRect(0, block_top, self.width(), height)
self.draw_block(painter, rect, block, first)
first = False
block = block.next()
painter.end()
super(PromptArea, self).paintEvent(event)
def paintEvent(self, paint_event):
"""Paints the box"""
painter = QPainter(self)
rect = self.contentsRect()
tile_count = 3
tile_size = int(rect.width() / tile_count)
painter.save()
painter.translate(rect.x(), rect.y())
for y in range(tile_count):
for x in range(tile_count):
color_index = (y * tile_count + x) % 2
tile_rect = QRect(x * tile_size, y * tile_size, tile_size,
tile_size)
painter.fillRect(tile_rect, self._tile_colors[color_index])
painter.restore()
painter.fillRect(rect, self._color)
QFrame.paintEvent(self, paint_event)
def paintEvent(self, QPaintEvent):
if not self._isSpinning:
return
self.updatePosition()
painter = QPainter(self)
painter.fillRect(self.rect(), Qt.transparent)
painter.setRenderHint(QPainter.Antialiasing, True)
if self._currentCounter >= self._numberOfLines:
self._currentCounter = 0
painter.setPen(Qt.NoPen)
for i in range(0, self._numberOfLines):
painter.save()
painter.translate(self._innerRadius + self._lineLength,
self._innerRadius + self._lineLength)
rotateAngle = float(360 * i) / float(self._numberOfLines)
painter.rotate(rotateAngle)
painter.translate(self._innerRadius, 0)
distance = self.lineCountDistanceFromPrimary(
i, self._currentCounter, self._numberOfLines)
color = self.currentLineColor(distance, self._numberOfLines,
self._trailFadePercentage,
self._minimumTrailOpacity,
self._color)
# Compute the scaling factor to apply to the size and thickness
# of the lines in the trail.
if self._trailSizeDecreasing:
sf = (self._numberOfLines - distance) / self._numberOfLines
else:
sf = 1
painter.setBrush(color)
rect = QRect(0, round(-self._lineWidth / 2),
round(sf * self._lineLength),
round(sf * self._lineWidth))
painter.drawRoundedRect(rect, self._roundness, self._roundness,
Qt.RelativeSize)
painter.restore()
def paintEvent(self, event: QPaintEvent):
outerRadius = min(self.width(), self.height())
baseRect = QRectF(1, 1, outerRadius - 2, outerRadius - 2)
buffer = QImage(outerRadius, outerRadius, QImage.Format_ARGB32_Premultiplied)
p = QPainter(buffer)
p.setRenderHint(QPainter.Antialiasing)
self.rebuildDataBrushIfNeeded()
self.drawBackground(p, buffer.rect())
self.drawBase(p, baseRect)
if self.m_value > 0:
delta = (self.m_max - self.m_min) / (self.m_value - self.m_min)
else:
delta = 0
self.drawValue(p, baseRect, self.m_value, delta)
innerRect, innerRadius = self.calculateInnerRect(outerRadius)
self.drawInnerBackground(p, innerRect)
self.drawText(p, innerRect, innerRadius, self.m_value)
p.end()
painter = QPainter(self)
painter.fillRect(baseRect, self.palette().window())
painter.drawImage(0, 0, buffer)
def paintEvent(self, paint_event):
QFrame.paintEvent(self, paint_event)
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing, True)
painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
rect = self.contentsRect()
"""@type: QRect"""
painter.fillRect(rect, self.background_color)
x = rect.x()
y = rect.y()
height = rect.height()
width = floor(rect.width() * self.__progress)
painter.fillRect(x, y, width, height, self.color)
if self.__shiny:
#Shiny overlay!
gradient = QLinearGradient(rect.width() / 2, 0, rect.width() / 2, rect.height())
gradient.setColorAt(0, QColor(255, 255, 255, 0))
gradient.setColorAt(0.2, QColor(255, 255, 255, 200))
gradient.setColorAt(0.4, QColor(255, 255, 255, 0))
gradient.setColorAt(0.85, QColor(255, 255, 255, 0))
gradient.setColorAt(0.85, QColor(0, 0, 0, 0))
gradient.setColorAt(1, QColor(0, 0, 0, 127))
painter.fillRect(rect, gradient)
def _paint_inner_grid(self, painter: QPainter, rect: QRect, colors) -> None:
margin = 10
inner_grid_w = self._size.width() - (margin * 2)
inner_grid_h = self._size.height() - (margin * 2)
inner_grid_x = rect.x() + margin
inner_grid_y = rect.y() + margin
job_nr = len(colors)
grid_dim = math.ceil(math.sqrt(job_nr))
w = math.ceil(inner_grid_w / grid_dim)
h = math.ceil(inner_grid_h / grid_dim)
k = 0
for y in range(grid_dim):
for x in range(grid_dim):
x_pos = inner_grid_x + (x * w)
y_pos = inner_grid_y + (y * h)
rect = QRect(x_pos, y_pos, w, h)
if k >= job_nr:
color = QColorConstants.Gray
else:
color = colors[k]
painter.fillRect(rect, color)
k += 1
def paintEvent(self, event):
"""Override Qt method.
Paint breakpoints icons.
"""
super(DebuggerPanel, self).paintEvent(event)
painter = QPainter(self)
painter.fillRect(event.rect(), self.editor.sideareas_color)
for top, line_number, block in self.editor.visible_blocks:
if self.line_number_hint == line_number:
self._draw_breakpoint_icon(top, painter, 'transparent')
if self._current_line_arrow == line_number and not self.stop:
self._draw_breakpoint_icon(top, painter, 'arrow')
data = block.userData()
if data is None or not data.breakpoint:
continue
if data.breakpoint_condition is None:
self._draw_breakpoint_icon(top, painter, 'breakpoint')
else:
self._draw_breakpoint_icon(top, painter, 'condition')
def paintEvent(self, event):
"""Override Qt method.
Paint breakpoints icons.
"""
super(DebuggerPanel, self).paintEvent(event)
painter = QPainter(self)
painter.fillRect(event.rect(), self.editor.sideareas_color)
for top, line_number, block in self.editor.visible_blocks:
if self.line_number_hint == line_number:
self._draw_breakpoint_icon(top, painter, 'transparent')
if self._current_line_arrow == line_number and not self.stop:
self._draw_breakpoint_icon(top, painter, 'arrow')
data = block.userData()
if data is None or not data.breakpoint:
continue
if data.breakpoint_condition is None:
self._draw_breakpoint_icon(top, painter, 'breakpoint')
else:
self._draw_breakpoint_icon(top, painter, 'condition')
def paintEvent(self, event):
"""
Override Qt method.
Painting the scroll flag area
"""
make_flag = self.make_flag_qrect
# Fill the whole painting area
painter = QPainter(self)
painter.fillRect(event.rect(), self.editor.sideareas_color)
# Paint warnings and todos
block = self.editor.document().firstBlock()
for line_number in range(self.editor.document().blockCount()+1):
data = block.userData()
if data:
if data.code_analysis:
# Paint the warnings
color = self.editor.warning_color
for source, code, severity, message in data.code_analysis:
error = severity == DiagnosticSeverity.ERROR
if error:
color = self.editor.error_color
break
self.set_painter(painter, color)
painter.drawRect(make_flag(line_number))
if data.todo:
# Paint the todos
self.set_painter(painter, self.editor.todo_color)
painter.drawRect(make_flag(line_number))
if data.breakpoint:
# Paint the breakpoints
self.set_painter(painter, self.editor.breakpoint_color)
painter.drawRect(make_flag(line_number))
block = block.next()
# Paint the occurrences
if self.editor.occurrences:
self.set_painter(painter, self.editor.occurrence_color)
for line_number in self.editor.occurrences:
painter.drawRect(make_flag(line_number))
# Paint the found results
if self.editor.found_results:
self.set_painter(painter, self.editor.found_results_color)
for line_number in self.editor.found_results:
painter.drawRect(make_flag(line_number))
# Paint the slider range
if not self._unit_testing:
alt = QApplication.queryKeyboardModifiers() & Qt.AltModifier
else:
alt = self._alt_key_is_down
cursor_pos = self.mapFromGlobal(QCursor().pos())
is_over_self = self.rect().contains(cursor_pos)
is_over_editor = self.editor.rect().contains(
self.editor.mapFromGlobal(QCursor().pos()))
# We use QRect.contains instead of QWidget.underMouse method to
# determined if the cursor is over the editor or the flag scrollbar
# because the later gives a wrong result when a mouse button
# is pressed.
if ((is_over_self or (alt and is_over_editor)) and self.slider):
pen_color = QColor(Qt.gray)
pen_color.setAlphaF(.85)
painter.setPen(pen_color)
brush_color = QColor(Qt.gray)
brush_color.setAlphaF(.5)
painter.setBrush(QBrush(brush_color))
painter.drawRect(self.make_slider_range(cursor_pos))
self._range_indicator_is_visible = True
else:
self._range_indicator_is_visible = False
def paintEvent(self, event: QPaintEvent):
painter = QPainter(self)
painter.fillRect(event.rect(), self._qcolor)
class BaseCanvas(QWidget, metaclass=QABCMeta):
"""The subclass can draw a blank canvas more easier."""
@abstractmethod
def __init__(self, parent: QWidget):
"""Set the parameters for drawing."""
super(BaseCanvas, self).__init__(parent)
self.setSizePolicy(
QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding))
self.setFocusPolicy(Qt.StrongFocus)
self.setMouseTracking(True)
self.painter = QPainter()
# Origin coordinate
self.ox = self.width() / 2
self.oy = self.height() / 2
# Canvas zoom rate
self.zoom = 1.
# Joint size
self.joint_size = 5
# Canvas line width
self.link_width = 3
self.path_width = 3
# Font size
self.font_size = 15
# Show point mark or dimension
self.show_ticks = _TickMark.SHOW
self.show_point_mark = True
self.show_dimension = True
# Path track
self.path = _PathOption()
# Path solving
self.ranges: Dict[str, QRectF] = {}
self.target_path: Dict[int, Sequence[_Coord]] = {}
self.show_target_path = False
# Background
self.background = QImage()
self.background_opacity = 1.
self.background_scale = 1.
self.background_offset = QPointF(0, 0)
# Monochrome mode
self.monochrome = False
# Grab mode
self.__grab_mode = False
def switch_grab(self) -> None:
"""Start grab mode."""
self.__grab_mode = not self.__grab_mode
@staticmethod
def zoom_factor(width: int, height: int, x_right: float, x_left: float,
y_top: float, y_bottom: float) -> float:
"""Calculate the zoom factor."""
x_diff = x_left - x_right
y_diff = y_top - y_bottom
x_diff = x_diff if x_diff else 1.
y_diff = y_diff if y_diff else 1.
if width / x_diff < height / y_diff:
return width / x_diff
else:
return height / y_diff
@abstractmethod
def paintEvent(self, event: QPaintEvent) -> None:
"""Using a QPainter under 'self',
so just change QPen or QBrush before painting.
"""
if not self.__grab_mode:
self.painter.begin(self)
self.painter.fillRect(event.rect(), QBrush(Qt.white))
# Translation
self.painter.translate(self.ox, self.oy)
# Background
if not self.background.isNull():
rect = self.background.rect()
self.painter.setOpacity(self.background_opacity)
self.painter.drawImage(
QRectF(
self.background_offset * self.zoom,
QSizeF(rect.width(), rect.height()) *
self.background_scale * self.zoom), self.background,
QRectF(rect))
self.painter.setOpacity(1)
# Show frame
pen = QPen(Qt.blue)
pen.setWidth(1)
self.painter.setPen(pen)
self.painter.setFont(QFont("Arial", self.font_size))
# Draw origin lines
if self.show_ticks not in {_TickMark.SHOW, _TickMark.SHOW_NUM}:
return
pen.setColor(Qt.gray)
self.painter.setPen(pen)
x_l = -self.ox
x_r = self.width() - self.ox
self.painter.drawLine(QPointF(x_l, 0), QPointF(x_r, 0))
y_t = self.height() - self.oy
y_b = -self.oy
self.painter.drawLine(QPointF(0, y_b), QPointF(0, y_t))
def indexing(v: float) -> int:
"""Draw tick."""
return int(v / self.zoom - v / self.zoom % 5)
# Draw tick
for x in range(indexing(x_l), indexing(x_r) + 1, 5):
if x == 0:
continue
is_ten = x % 10 == 0
end = QPointF(x * self.zoom, -10 if is_ten else -5)
self.painter.drawLine(QPointF(x, 0) * self.zoom, end)
if self.show_ticks == _TickMark.SHOW_NUM and is_ten:
self.painter.drawText(end + QPointF(0, 3), f"{x}")
for y in range(indexing(y_b), indexing(y_t) + 1, 5):
if y == 0:
continue
is_ten = y % 10 == 0
end = QPointF(10 if is_ten else 5, y * self.zoom)
self.painter.drawLine(QPointF(0, y) * self.zoom, end)
if self.show_ticks == _TickMark.SHOW_NUM and is_ten:
self.painter.drawText(end + QPointF(3, 0), f"{-y}")
# Please to call the "end" method when ending paint event.
def draw_circle(self, p: QPointF, r: float) -> None:
"""Draw circle."""
self.painter.drawEllipse(p, r, r)
def draw_point(self,
i: int,
cx: float,
cy: float,
fixed: bool,
color: Optional[Tuple[int, int, int]],
mul: int = 1) -> None:
"""Draw a joint."""
if self.monochrome or color is None:
color = Qt.black
else:
color = QColor(*color)
pen = QPen(color)
pen.setWidth(2)
self.painter.setPen(pen)
x = cx * self.zoom
y = cy * -self.zoom
if fixed:
# Draw a triangle below
self.painter.drawPolygon(
QPointF(x, y),
QPointF(x - self.joint_size, y + 2 * self.joint_size),
QPointF(x + self.joint_size, y + 2 * self.joint_size))
r = self.joint_size
for _ in range(1 if mul < 1 else mul):
self.draw_circle(QPointF(x, y), r)
r += 5
if not self.show_point_mark:
return
pen.setColor(Qt.darkGray)
pen.setWidth(2)
self.painter.setPen(pen)
text = f"[Point{i}]"
if self.show_dimension:
text += f":({cx:.02f}, {cy:.02f})"
self.painter.drawText(QPointF(x, y) + QPointF(6, -6), text)
def draw_ranges(self) -> None:
"""Draw rectangle ranges."""
pen = QPen()
pen.setWidth(5)
for i, (tag, rect) in enumerate(self.ranges.items()):
range_color = QColor(color_num(i + 1))
range_color.setAlpha(30)
self.painter.setBrush(range_color)
range_color.setAlpha(255)
pen.setColor(range_color)
self.painter.setPen(pen)
cx = rect.x() * self.zoom
cy = rect.y() * -self.zoom
if rect.width():
self.painter.drawRect(
QRectF(QPointF(cx, cy),
QSizeF(rect.width(), rect.height()) * self.zoom))
else:
self.draw_circle(QPointF(cx, cy), 3)
range_color.setAlpha(255)
pen.setColor(range_color)
self.painter.setPen(pen)
self.painter.drawText(QPointF(cx, cy) + QPointF(6, -6), tag)
self.painter.setBrush(Qt.NoBrush)
def draw_target_path(self) -> None:
"""Draw solving path."""
pen = QPen()
pen.setWidth(self.path_width)
for i, n in enumerate(sorted(self.target_path)):
path = self.target_path[n]
if self.monochrome:
line, dot = target_path_style(0)
else:
line, dot = target_path_style(i + 1)
pen.setColor(line)
self.painter.setPen(pen)
if len(path) == 1:
x, y = path[0]
p = QPointF(x, -y) * self.zoom
self.painter.drawText(p + QPointF(6, -6), f"P{n}")
pen.setColor(dot)
self.painter.setPen(pen)
self.draw_circle(p, self.joint_size)
else:
painter_path = QPainterPath()
for j, (x, y) in enumerate(path):
p = QPointF(x, -y) * self.zoom
self.draw_circle(p, self.joint_size)
if j == 0:
self.painter.drawText(p + QPointF(6, -6), f"P{n}")
painter_path.moveTo(p)
else:
x2, y2 = path[j - 1]
self.__draw_arrow(x, -y, x2, -y2, zoom=True)
painter_path.lineTo(p)
pen.setColor(line)
self.painter.setPen(pen)
self.painter.drawPath(painter_path)
for x, y in path:
pen.setColor(dot)
self.painter.setPen(pen)
self.draw_circle(
QPointF(x, -y) * self.zoom, self.joint_size)
self.painter.setBrush(Qt.NoBrush)
def __draw_arrow(self,
x1: float,
y1: float,
x2: float,
y2: float,
*,
zoom: bool = False,
text: str = '') -> None:
"""Front point -> Back point"""
if zoom:
x1 *= self.zoom
y1 *= self.zoom
x2 *= self.zoom
y2 *= self.zoom
a = atan2(y2 - y1, x2 - x1)
x1 = (x1 + x2) / 2 - 7.5 * cos(a)
y1 = (y1 + y2) / 2 - 7.5 * sin(a)
first_point = QPointF(x1, y1)
self.painter.drawLine(
first_point,
QPointF(x1 + 15 * cos(a + radians(20)),
y1 + 15 * sin(a + radians(20))))
self.painter.drawLine(
first_point,
QPointF(x1 + 15 * cos(a - radians(20)),
y1 + 15 * sin(a - radians(20))))
if not text:
return
# Font
font = self.painter.font()
font_copy = QFont(font)
font.setBold(True)
font.setPointSize(font.pointSize() + 8)
self.painter.setFont(font)
# Color
pen = self.painter.pen()
color = pen.color()
pen.setColor(color.darker())
self.painter.setPen(pen)
self.painter.drawText(first_point, text)
pen.setColor(color)
self.painter.setPen(pen)
self.painter.setFont(font_copy)
def draw_curve(self, path: Sequence[_Coord]) -> None:
"""Draw path as curve."""
if len(set(path)) < 2:
return
painter_path = QPainterPath()
error = False
for i, (x, y) in enumerate(path):
if isnan(x):
error = True
self.painter.drawPath(painter_path)
painter_path = QPainterPath()
else:
p = QPointF(x, -y) * self.zoom
if i == 0:
painter_path.moveTo(p)
self.draw_circle(p, 2)
continue
if error:
painter_path.moveTo(p)
error = False
else:
painter_path.lineTo(p)
self.painter.drawPath(painter_path)
def draw_dot(self, path: Sequence[_Coord]) -> None:
"""Draw path as dots."""
if len(set(path)) < 2:
return
for i, (x, y) in enumerate(path):
if isnan(x):
continue
p = QPointF(x, -y) * self.zoom
if i == 0:
self.draw_circle(p, 2)
else:
self.painter.drawPoint(p)
def solution_polygon(
self, func: str, args: Sequence[str], target: str,
pos: Sequence[VPoint]) -> Tuple[List[QPointF], QColor]:
"""Get solution polygon."""
if func == 'PLLP':
color = QColor(121, 171, 252)
params = [args[0], args[-1]]
elif func == 'PLAP':
color = QColor(249, 84, 216)
params = [args[0]]
else:
if func == 'PLPP':
color = QColor(94, 255, 185)
else:
# PXY
color = QColor(249, 175, 27)
params = [args[0]]
params.append(target)
tmp_list = []
for name in params:
try:
index = int(name.replace('P', ''))
except ValueError:
continue
else:
vpoint = pos[index]
tmp_list.append(QPointF(vpoint.cx, -vpoint.cy) * self.zoom)
return tmp_list, color
def draw_solution(self, func: str, args: Sequence[str], target: str,
pos: Sequence[VPoint]) -> None:
"""Draw the solution triangle."""
points, color = self.solution_polygon(func, args, target, pos)
color.setAlpha(150)
pen = QPen(color)
pen.setWidth(self.joint_size)
self.painter.setPen(pen)
def draw_arrow(index: int, text: str) -> None:
"""Draw arrow."""
self.__draw_arrow(points[-1].x(),
points[-1].y(),
points[index].x(),
points[index].y(),
text=text)
draw_arrow(0, args[1])
if func == 'PLLP':
draw_arrow(1, args[2])
color.setAlpha(30)
self.painter.setBrush(QBrush(color))
self.painter.drawPolygon(QPolygonF(points))
self.painter.setBrush(Qt.NoBrush)
@Slot(int)
def set_show_ticks(self, show: int):
"""Set the appearance of tick mark."""
self.show_ticks = _TickMark(show + 1)
self.update()
@Slot(bool)
def set_monochrome_mode(self, monochrome: bool) -> None:
"""Set monochrome mode."""
self.monochrome = monochrome
self.update()
