def hoverMoveEvent(self, event):
"""
Tracks whether or not this item is being hovered.
:param event | <QEvent>
"""
point = event.pos()
found_key = ''
found = None
for key, value, subpath in self._subpaths:
if subpath.contains(point):
found = subpath
found_key = key
break
if found:
# update the tooltip
tip = self.keyToolTip(found_key)
if (tip):
widget = self.scene().chartWidget()
anchor = XPopupWidget.Anchor.RightCenter
# show the popup widget
XPopupWidget.showToolTip(tip,
anchor=anchor,
parent=widget,
foreground=self.color().darker(120),
background=self.alternateColor())
if (found != self._hoveredPath):
self._hoveredPath = found
self.update()
def rebuild( self, gridRect ):
"""
Rebuilds the tracker item.
"""
scene = self.scene()
if ( not scene ):
return
self.setVisible(gridRect.contains(self.pos()))
self.setZValue(100)
path = QPainterPath()
path.moveTo(0, 0)
path.lineTo(0, gridRect.height())
tip = ''
tip_point = None
self._ellipses = []
items = scene.collidingItems(self)
self._basePath = QPainterPath(path)
for item in items:
item_path = item.path()
found = None
for y in range(int(gridRect.top()), int(gridRect.bottom())):
point = QPointF(self.pos().x(), y)
if ( item_path.contains(point) ):
found = QPointF(0, y - self.pos().y())
break
if ( found ):
path.addEllipse(found, 6, 6)
self._ellipses.append(found)
# update the value information
value = scene.valueAt(self.mapToScene(found))
tip_point = self.mapToScene(found)
hruler = scene.horizontalRuler()
vruler = scene.verticalRuler()
x_value = hruler.formatValue(value[0])
y_value = vruler.formatValue(value[1])
tip = '<b>x:</b> %s<br/><b>y:</b> %s' % (x_value, y_value)
self.setPath(path)
self.setVisible(True)
# show the popup widget
if ( tip ):
anchor = XPopupWidget.Anchor.RightCenter
widget = self.scene().chartWidget()
tip_point = widget.mapToGlobal(widget.mapFromScene(tip_point))
XPopupWidget.showToolTip(tip,
anchor = anchor,
parent = widget,
point = tip_point,
foreground = QColor('blue'),
background = QColor(148, 148, 255))
def hoverMoveEvent( self, event ):
"""
Tracks whether or not this item is being hovered.
:param event | <QEvent>
"""
point = event.pos()
found_key = ''
found = None
for key, value, subpath in self._subpaths:
if subpath.contains(point):
found = subpath
found_key = key
break
if found:
# update the tooltip
tip = self.keyToolTip(found_key)
if ( tip ):
widget = self.scene().chartWidget()
anchor = XPopupWidget.Anchor.RightCenter
# show the popup widget
XPopupWidget.showToolTip(tip,
anchor = anchor,
parent = widget,
foreground = self.color().darker(120),
background = self.alternateColor())
if ( found != self._hoveredPath ):
self._hoveredPath = found
self.update()
def helpEvent( self, event ):
"""
Displays a tool tip for the given help event.
:param event | <QHelpEvent>
"""
item = self.itemAt(event.scenePos())
if ( item and item and item.toolTip() ):
parent = self.parent()
rect = item.path().boundingRect()
point = event.scenePos()
point.setY(item.pos().y() + rect.bottom())
point = parent.mapFromScene(point)
point = parent.mapToGlobal(point)
XPopupWidget.showToolTip(item.toolTip(),
point = point,
parent = parent)
event.accept()
else:
super(XCalendarScene, self).helpEvent(event)
def helpEvent( self, event ):
"""
Displays a tool tip for the given help event.
:param event | <QHelpEvent>
"""
item = self.itemAt(event.scenePos())
if ( item and item and item.toolTip() ):
parent = self.parent()
rect = item.path().boundingRect()
point = event.scenePos()
point.setY(item.pos().y() + rect.bottom())
point = parent.mapFromScene(point)
point = parent.mapToGlobal(point)
XPopupWidget.showToolTip(item.toolTip(),
point = point,
parent = parent)
event.accept()
else:
super(XCalendarScene, self).helpEvent(event)
