本文整理匯總了Python中AnyQt.QtWidgets.QGraphicsTextItem類的典型用法代碼示例。如果您正苦於以下問題：Python QGraphicsTextItem類的具體用法？Python QGraphicsTextItem怎麽用？Python QGraphicsTextItem使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了QGraphicsTextItem類的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: __init__
def __init__(self, scene, text="", x=0, y=0,
alignment=Qt.AlignLeft | Qt.AlignTop, bold=False, font=None,
z=0, html_text=None, tooltip=None, show=True, vertical=False):
QGraphicsTextItem.__init__(self, text, None)
if font:
self.setFont(font)
if bold:
font = self.font()
font.setBold(bold)
self.setFont(font)
if html_text:
self.setHtml(html_text)
self.alignment = alignment
self.vertical = vertical
if vertical:
self.setRotation(-90)
self.setPos(x, y)
self.x, self.y = x, y
self.setZValue(z)
if tooltip:
self.setToolTip(tooltip)
if show:
self.show()
else:
self.hide()
if scene is not None:
scene.addItem(self)示例2: LegendItemTitle
class LegendItemTitle(QGraphicsWidget):
"""Legend item title - the text displayed in the legend.
This should only really be used in conjunction with ˙LegendItem˙.
Parameters
----------
text : str
parent : QGraphicsItem
font : QFont
This
"""
_size_hint = QSizeF(100, 10)
def __init__(self, text, parent, font):
super().__init__(parent)
self.__text = QGraphicsTextItem(text.title())
self.__text.setParentItem(self)
self.__text.setFont(font)
self._size_hint = QSizeF(self.__text.boundingRect().size())
def sizeHint(self, size_hint, size_constraint=None, *args, **kwargs):
return self._size_hint示例3: __init__
def __init__(self, name, values, scale, name_offset, offset, get_points,
title, get_probabilities):
super().__init__()
self.scale = scale
self.offset = offset
self.get_points = get_points
self.min_val = min(values)
self.max_val = max(values)
# leading labels
font = name.document().defaultFont()
font.setWeight(QFont.Bold)
name_total = QGraphicsTextItem("Total", self)
name_total.setFont(font)
name_total.setPos(name_offset, -25)
name.setFont(font)
name.setPos(name_offset, 10)
name.setParentItem(self)
# prediction marker
self.dot = ProbabilitiesDotItem(
self.DOT_RADIUS, scale, offset, values[0], values[-1],
title, get_probabilities)
self.dot.setPos(0, (- self.DOT_RADIUS + self.y_diff) / 2)
self.dot.setParentItem(self)
# pylint: disable=unused-variable
# two lines
t_line = QGraphicsLineItem(self.min_val * scale + offset, 0,
self.max_val * scale + offset, 0,
self)
p_line = QGraphicsLineItem(self.min_val * scale + offset, self.y_diff,
self.max_val * scale + offset, self.y_diff,
self)
# ticks and labels
old_x_tick = values[0] * scale + offset
for i, value in enumerate(values[1:]):
x_tick = value * scale + offset
x = x_tick - (x_tick - old_x_tick) / 2
half_tick = QGraphicsLineItem(x, - self.tick_height / 2, x, 0,
self)
old_x_tick = x_tick
if i == len(values) - 2:
break
text = QGraphicsTextItem(str(abs(value) if value == -0 else value),
self)
x_text = value * scale - text.boundingRect().width() / 2 + offset
y_text = - text.boundingRect().height() - self.DOT_RADIUS * 0.7
text.setPos(x_text, y_text)
tick = QGraphicsLineItem(x_tick, -self.tick_height, x_tick, 0,
self)
self.prob_items = [
(i / 10, QGraphicsTextItem(" " + str(i * 10) + " "),
QGraphicsLineItem(0, 0, 0, 0)) for i in range(1, 10)]示例4: GraphicsTextWidget
class GraphicsTextWidget(QGraphicsWidget):
def __init__(self, text, parent=None, **kwargs):
super().__init__(parent, **kwargs)
self.labelItem = QGraphicsTextItem(self)
self.setHtml(text)
self.labelItem.document().documentLayout().documentSizeChanged.connect(
self.onLayoutChanged
)
def setGeometry(self, rect):
self.prepareGeometryChange()
super().setGeometry(rect)
def onLayoutChanged(self, *args):
self.updateGeometry()
def sizeHint(self, which, constraint=QSizeF()):
if which == Qt.MinimumSize:
return self.labelItem.boundingRect().size()
else:
return self.labelItem.boundingRect().size()
def setTextWidth(self, width):
self.labelItem.setTextWidth(width)
def setHtml(self, text):
self.labelItem.setHtml(text)示例5: __init__
def __init__(self, parent, *args, **kwargs):
QGraphicsTextItem.__init__(self, *args)
GraphNode.__init__(self, **kwargs)
self._background_brush = None
self._rect = None
self.parent = parent
font = self.font()
font.setPointSize(10)
self.setFont(font)
self.droplet = GraphicsDroplet(-5, 0, 10, 10, self)
self.droplet.setPos(self.rect().center().x(), self.rect().height())
self.document().contentsChanged.connect(self.update_contents)
self.isOpen = True
self.setFlag(QGraphicsItem.ItemIsSelectable, True)示例6: __init__
def __init__(self, text, parent, font):
super().__init__(parent)
self.__text = QGraphicsTextItem(text.title())
self.__text.setParentItem(self)
self.__text.setFont(font)
self._size_hint = QSizeF(self.__text.boundingRect().size())示例7: paint
def paint(self, painter, option, widget=None):
rect = self.rect()
if self.isSelected():
option.state ^= QStyle.State_Selected
font = self.document().defaultFont()
painter.setFont(font)
if self.parent:
draw_text = self.node_inst.description
if self.parent.x() > self.x(): # node is to the left
fm = QFontMetrics(font)
x = rect.width() / 2 - fm.width(draw_text) - 4
else:
x = rect.width() / 2 + 4
painter.drawText(QPointF(x, -self.line_descent - 1), draw_text)
painter.save()
painter.setBrush(self.backgroundBrush)
painter.setPen(QPen(Qt.black, 3 if self.isSelected() else 0))
adjrect = rect.adjusted(-3, 0, 0, 0)
if not self.node_inst.children:
painter.drawRoundedRect(adjrect, 4, 4)
else:
painter.drawRect(adjrect)
painter.restore()
painter.setClipRect(rect)
return QGraphicsTextItem.paint(self, painter, option, widget)示例8: __init__
def __init__(self, *args):
self.__boundingRect = None
QGraphicsObject.__init__(self, *args)
self.setFlag(QGraphicsItem.ItemHasNoContents, True)
self.setAcceptedMouseButtons(Qt.RightButton | Qt.LeftButton)
self.setAcceptHoverEvents(True)
self.setZValue(self.Z_VALUE)
self.sourceItem = None
self.sourceAnchor = None
self.sinkItem = None
self.sinkAnchor = None
self.curveItem = LinkCurveItem(self)
self.sourceIndicator = LinkAnchorIndicator(self)
self.sinkIndicator = LinkAnchorIndicator(self)
self.sourceIndicator.hide()
self.sinkIndicator.hide()
self.linkTextItem = QGraphicsTextItem(self)
self.__sourceName = ""
self.__sinkName = ""
self.__dynamic = False
self.__dynamicEnabled = False
self.__state = LinkItem.Empty
self.hover = False
self.prepareGeometryChange()
self.__updatePen()
self.__boundingRect = None示例9: setPos
def setPos(self, x, y):
"""setPos with adjustment for alignment"""
self.x, self.y = x, y
rect = QGraphicsTextItem.boundingRect(self)
if self.vertical:
h, w = rect.height(), rect.width()
rect.setWidth(h)
rect.setHeight(-w)
if int(self.alignment & Qt.AlignRight):
x -= rect.width()
elif int(self.alignment & Qt.AlignHCenter):
x -= rect.width() / 2.
if int(self.alignment & Qt.AlignBottom):
y -= rect.height()
elif int(self.alignment & Qt.AlignVCenter):
y -= rect.height() / 2.
QGraphicsTextItem.setPos(self, x, y)示例10: __init__
def __init__(self, text, parent=None, **kwargs):
super().__init__(parent, **kwargs)
self.labelItem = QGraphicsTextItem(self)
self.setHtml(text)
self.labelItem.document().documentLayout().documentSizeChanged.connect(
self.onLayoutChanged
)示例11: paint
def paint(self, painter, option, widget=None):
QGraphicsTextItem.paint(self, painter, option, widget)
# Draw placeholder text if necessary
if not (self.toPlainText() and self.toHtml()) and \
self.__placeholderText and \
not (self.hasFocus() and \
self.textInteractionFlags() & Qt.TextEditable):
brect = self.boundingRect()
painter.setFont(self.font())
metrics = painter.fontMetrics()
text = metrics.elidedText(self.__placeholderText, Qt.ElideRight,
brect.width())
color = self.defaultTextColor()
color.setAlpha(min(color.alpha(), 150))
painter.setPen(QPen(color))
painter.drawText(brect, Qt.AlignTop | Qt.AlignLeft, text)示例12: paint
def paint(self, painter, option, widget=0):
painter.save()
painter.setBrush(self.backgroundBrush)
painter.setPen(QPen(Qt.gray))
rect = self.rect()
painter.drawRoundedRect(rect, 4, 4)
painter.restore()
painter.setClipRect(rect)
return QGraphicsTextItem.paint(self, painter, option, widget)示例13: __init__
def __init__(self, text, parent):
QGraphicsObject.__init__(self, parent)
self.text_item = QGraphicsTextItem(text + ':', self)
f = self.text_item.font()
f.setBold(True)
self.text_item.setFont(f)
self.rect_item = QGraphicsRectItem(self.text_item.boundingRect(), self)
self.rect_item.setPen(QPen(Qt.NoPen))
self.rect_item.stackBefore(self.text_item)示例14: OWLegendTitle
class OWLegendTitle(QGraphicsObject):
"""
A legend item that shows ``text`` with a bold font and no symbol.
"""
def __init__(self, text, parent):
QGraphicsObject.__init__(self, parent)
self.text_item = QGraphicsTextItem(text + ':', self)
f = self.text_item.font()
f.setBold(True)
self.text_item.setFont(f)
self.rect_item = QGraphicsRectItem(self.text_item.boundingRect(), self)
self.rect_item.setPen(QPen(Qt.NoPen))
self.rect_item.stackBefore(self.text_item)
def boundingRect(self):
return self.text_item.boundingRect()
def paint(self, painter, option, widget):
pass示例15: __init__
def __init__(self, parent=None, text=""):
super(QGraphicsPathItem, self).__init__(parent)
self.setAcceptHoverEvents(True)
self.setPen(QPen(Qt.NoPen))
self.text = QGraphicsTextItem(self)
layout = self.text.document().documentLayout()
layout.documentSizeChanged.connect(self._onLayoutChanged)
self._text = ""
self._anchor = QPointF()