def paintEvent(self, event):
painter = QPainter(self)
# Hello world
# ブラシ（塗りつぶし）の色を黒に
painter.setBrush(Qt.black)
# ペン（線描画）の色も黒に
painter.setPen(Qt.black)
# 背景を描く
# self.rect()はwidgetのサイズを返すので、widget全体を埋める四角形を描画する
# ペンとブラシの色が黒なので背景色は真っ黒
painter.drawRect(self.rect())
# ペン（線描画）の色を白にする
painter.setPen(Qt.white)
# フォントサイズを変更する
font = painter.font()
# つらさはできるだけ大きく表現したほうが良い
# 周りが気づくように
font.setPointSize(80)
painter.setFont(font)
# テキストを描画する
x = 0 # 左端
y = self.rect().height() * 0.5 # 上下の中心
painter.drawText(x, y, "TSU☆RA☆I")
def paintEvent(self, event):
painter = QPainter(self)
# Hello world
painter.setBrush(Qt.green)
painter.setPen(Qt.black)
painter.drawRect(self.rect())
painter.drawText(self.rect().width() * 0.5,
self.rect().height() * 0.5, "Hello world!")
def paintEvent(self, event):
contents_y = self.edit.verticalScrollBar().value()
page_bottom = contents_y + self.edit.viewport().height()
font_metrics = self.fontMetrics()
current_block = self.edit.document().findBlock(
self.edit.textCursor().position())
painter = QPainter(self)
painter.setPen(Qt.darkGray)
line_count = 0
first_pos = -1
posdiff = 0
# Iterate over all text blocks in the document.
block = self.edit.document().begin()
while block.isValid():
line_count += 1
# the top left position of the block in the document
if posdiff == 0:
position_y = self.edit.document().documentLayout(
).blockBoundingRect(block).topLeft().y()
if first_pos == -1:
first_pos = position_y
else:
posdiff = position_y - first_pos
else:
position_y += posdiff
# check if the position of the block is out side of visible area
if position_y > page_bottom:
break
# we want the line number for the selected line to be bold.
bold = False
if block == current_block:
bold = True
font = painter.font()
font.setBold(True)
painter.setFont(font)
painter.setPen(Qt.black)
# Draw the line number right justified at the y position of the
# line. 3 is the magic padding number. drawText(x, y, text)
painter.drawText(
self.width() - font_metrics.width(str(line_count)) - 3,
position_y - contents_y + font_metrics.ascent(),
str(line_count))
if bold:
font = painter.font()
font.setBold(False)
painter.setFont(font)
painter.setPen(Qt.darkGray)
block = block.next()
self.highest_line = line_count
painter.end()
QWidget.paintEvent(self, event)
def paintEvent(self, event):
with self.lock:
self.event = event
rect = event.rect()
qp = QPainter()
qp.begin(self)
radius = min(rect.width(), rect.height()) - 50
qp.setFont(QFont('Helvetica', 100))
qp.setPen(QPen(QBrush(QColor(255, 255, 255)), 20))
if self.is_disabled:
qp.fillRect(rect, self._DISABLED_COLOR)
qp.drawText(rect, QtCore.Qt.AlignCenter, self._FROWN)
elif self.is_blackout:
qp.fillRect(rect, self._BLACKOUT_COLOR)
qp.drawText(rect, QtCore.Qt.AlignCenter, self._FROWN)
time_diff = (self.next_whiteout_time - rospy.Time.now()).to_sec()
if time_diff < 0:
time_diff = 0
time_ratio = time_diff / (self.next_whiteout_time - self.blackout_time).to_sec()
qp.setFont(QFont('Helvetica', 30))
qp.drawText(0, rect.height() - 150, rect.width(), 150, QtCore.Qt.AlignCenter, "%.1f sec" % time_diff)
# 0-360
if time_ratio > 0:
rad = int(math.fmod(time_ratio * 360 + 90*16, 360) * 16)
qp.drawArc((rect.width() - radius) / 2, (rect.height() - radius) / 2, radius, radius, 90*16, rad)
else:
qp.fillRect(rect, self._OK_COLOR)
qp.drawText(rect, QtCore.Qt.AlignCenter, self._SMILEY)
qp.end()
def paintEvent(self, event):
with self.lock:
self.event = event
rect = event.rect()
qp = QPainter()
qp.begin(self)
radius = min(rect.width(), rect.height()) - 50
qp.setFont(QFont('Helvetica', 100))
qp.setPen(QPen(QBrush(QColor(255, 255, 255)), 20))
if self.is_disabled:
qp.fillRect(rect, self._DISABLED_COLOR)
qp.drawText(rect, QtCore.Qt.AlignCenter, self._FROWN)
elif self.is_blackout:
qp.fillRect(rect, self._BLACKOUT_COLOR)
qp.drawText(rect, QtCore.Qt.AlignCenter, self._FROWN)
time_diff = (self.next_whiteout_time - rospy.Time.now()).to_sec()
if time_diff < 0:
time_diff = 0
time_ratio = time_diff / (self.next_whiteout_time - self.blackout_time).to_sec()
qp.setFont(QFont('Helvetica', 30))
qp.drawText(0, rect.height() - 150, rect.width(), 150, QtCore.Qt.AlignCenter, "%.1f sec" % time_diff)
# 0-360
if time_ratio > 0:
rad = int(math.fmod(time_ratio * 360 + 90*16, 360) * 16)
qp.drawArc((rect.width() - radius) / 2, (rect.height() - radius) / 2, radius, radius, 90*16, rad)
else:
qp.fillRect(rect, self._OK_COLOR)
qp.drawText(rect, QtCore.Qt.AlignCenter, self._SMILEY)
qp.end()
def paintEvent(self, event):
contents_y = self.edit.verticalScrollBar().value()
page_bottom = contents_y + self.edit.viewport().height()
font_metrics = self.fontMetrics()
current_block = self.edit.document().findBlock(self.edit.textCursor().position())
painter = QPainter(self)
painter.setPen(Qt.darkGray)
line_count = 0
# Iterate over all text blocks in the document.
block = self.edit.document().begin()
while block.isValid():
line_count += 1
# the top left position of the block in the document
position = self.edit.document().documentLayout().blockBoundingRect(block).topLeft()
# check if the position of the block is out side of visible area
if position.y() > page_bottom:
break
# we want the line number for the selected line to be bold.
bold = False
if block == current_block:
bold = True
font = painter.font()
font.setBold(True)
painter.setFont(font)
painter.setPen(Qt.black)
# Draw the line number right justified at the y position of the
# line. 3 is the magic padding number. drawText(x, y, text)
painter.drawText(
self.width() - font_metrics.width(str(line_count)) - 3,
round(position.y()) - contents_y + font_metrics.ascent() + self.edit.document().documentMargin(),
str(line_count),
)
if bold:
font = painter.font()
font.setBold(False)
painter.setFont(font)
painter.setPen(Qt.darkGray)
block = block.next()
self.highest_line = line_count
painter.end()
QWidget.paintEvent(self, event)
def paintEvent(self, event):
QSlider.paintEvent(self, event)
curr_value = str(self.value())
round_value = round(float(curr_value), 4)
painter = QPainter(self)
painter.setPen(QPen(QtCore.Qt.white))
font_metrics = QFontMetrics(self.font())
font_width = font_metrics.boundingRect(str(round_value)).width()
font_height = font_metrics.boundingRect(str(round_value)).height()
rect = self.geometry()
if self.orientation() == QtCore.Qt.Horizontal:
horizontal_x_pos = rect.width() - font_width - 5
horizontal_y_pos = rect.height() * 0.75
painter.drawText(QtCore.QPoint(horizontal_x_pos, horizontal_y_pos),
str(round_value))
self.x = self.value()
else:
pass
painter.drawRect(rect)
