def mousePressEvent(self, event):
anchor_item = self.scene.item_at(event.scenePos(),
items.NodeAnchorItem,
buttons=Qt.LeftButton)
if anchor_item and event.button() == Qt.LeftButton:
# Start a new link starting at item
self.from_item = anchor_item.parentNodeItem()
if isinstance(anchor_item, items.SourceAnchorItem):
self.direction = NewLinkAction.FROM_SOURCE
self.source_item = self.from_item
else:
self.direction = NewLinkAction.FROM_SINK
self.sink_item = self.from_item
event.accept()
helpevent = QuickHelpTipEvent(
self.tr("Create a new link"),
self.
tr('<h3>Create new link</h3>'
'<p>Drag a link to an existing node or release on '
'an empty spot to create a new node.</p>'
'<p>Hold Shift when releasing the mouse button to '
'edit connections.</p>'
# '<a href="help://orange-canvas/create-new-links">'
# 'More ...</a>'
))
QCoreApplication.postEvent(self.document, helpevent)
return True
else:
# Whoever put us in charge did not know what he was doing.
self.cancel(self.ErrorReason)
return False
def mousePressEvent(self, event):
anchor_item = self.scene.item_at(event.scenePos(),
items.NodeAnchorItem,
buttons=Qt.LeftButton)
if anchor_item and event.button() == Qt.LeftButton:
# Start a new link starting at item
self.from_item = anchor_item.parentNodeItem()
if isinstance(anchor_item, items.SourceAnchorItem):
self.direction = NewLinkAction.FROM_SOURCE
self.source_item = self.from_item
else:
self.direction = NewLinkAction.FROM_SINK
self.sink_item = self.from_item
event.accept()
helpevent = QuickHelpTipEvent(
self.tr("Create a new link"),
self.tr('<h3>Create new link</h3>'
'<p>Drag a link to an existing node or release on '
'an empty spot to create a new node.</p>'
'<p>Hold Shift when releasing the mouse button to '
'edit connections.</p>'
# '<a href="help://orange-canvas/create-new-links">'
# 'More ...</a>'
)
)
QCoreApplication.postEvent(self.document, helpevent)
return True
else:
# Whoever put us in charge did not know what he was doing.
self.cancel(self.ErrorReason)
return False
def end(self):
self.cleanup()
# Remove the help tip set in mousePressEvent
self.macro = None
helpevent = QuickHelpTipEvent("", "")
QCoreApplication.postEvent(self.document, helpevent)
UserInteraction.end(self)
def end(self):
self.cleanup()
# Remove the help tip set in mousePressEvent
self.macro = None
helpevent = QuickHelpTipEvent("", "")
QCoreApplication.postEvent(self.document, helpevent)
UserInteraction.end(self)
def _stateChanged(self, future, state):
"""
The `future` state has changed (called by :class:`Future`).
"""
ev = StateChangedEvent(state)
if self.thread() is QThread.currentThread():
QCoreApplication.sendEvent(self, ev)
else:
QCoreApplication.postEvent(self, ev)
def _stateChanged(self, future, state):
"""
The `future` state has changed (called by :class:`Future`).
"""
ev = StateChangedEvent(state)
if self.thread() is QThread.currentThread():
QCoreApplication.sendEvent(self, ev)
else:
QCoreApplication.postEvent(self, ev)
def end(self):
self.down_pos = None
self.arrow_item = None
self.annotation = None
self.document.view().setCursor(Qt.ArrowCursor)
# Clear the help tip
helpevent = QuickHelpTipEvent("", "")
QCoreApplication.postEvent(self.document, helpevent)
UserInteraction.end(self)
def end(self):
self.down_pos = None
self.arrow_item = None
self.annotation = None
self.document.view().setCursor(Qt.ArrowCursor)
# Clear the help tip
helpevent = QuickHelpTipEvent("", "")
QCoreApplication.postEvent(self.document, helpevent)
UserInteraction.end(self)
def start(self):
self.document.view().setCursor(Qt.CrossCursor)
helpevent = QuickHelpTipEvent(
self.tr("Click and drag to create a new arrow"),
self.
tr('<h3>New arrow annotation</h3>'
'<p>Click and drag to create a new arrow annotation.</p>'
# '<a href="help://orange-canvas/arrow-annotations>'
# 'More ...</a>'
))
QCoreApplication.postEvent(self.document, helpevent)
UserInteraction.start(self)
def on_done(f):
assert f is future
selfref = selfweakref()
if selfref is None:
return
try:
QCoreApplication.postEvent(selfref,
QEvent(FutureWatcher.__FutureDone))
except RuntimeError:
# Ignore RuntimeErrors (when C++ side of QObject is deleted)
# (? Use QObject.destroyed and remove the done callback ?)
pass
def start(self):
self.document.view().setCursor(Qt.CrossCursor)
helpevent = QuickHelpTipEvent(
self.tr("Click and drag to create a new arrow"),
self.tr('<h3>New arrow annotation</h3>'
'<p>Click and drag to create a new arrow annotation.</p>'
# '<a href="help://orange-canvas/arrow-annotations>'
# 'More ...</a>'
)
)
QCoreApplication.postEvent(self.document, helpevent)
UserInteraction.start(self)
def start(self):
self.document.view().setCursor(Qt.CrossCursor)
helpevent = QuickHelpTipEvent(
self.tr("单击此处，创建新的文本批注"),
self.
tr('<h3>新建文本批注</h3>'
'<p>在画布上单击（并拖动以调整大小），创建新的文本注释项。</p>'
# '<a href="help://orange-canvas/text-annotations">'
# 'More ...</a>'
))
QCoreApplication.postEvent(self.document, helpevent)
UserInteraction.start(self)
def start(self):
self.document.view().setCursor(Qt.CrossCursor)
helpevent = QuickHelpTipEvent(
self.tr("单击并拖动，创建新的箭头"),
self.
tr('<h3>新建箭头批注</h3>'
'<p>单击并拖动，创建新的箭头批注。</p>'
# '<a href="help://orange-canvas/arrow-annotations>'
#'More ...</a>'
))
QCoreApplication.postEvent(self.document, helpevent)
UserInteraction.start(self)
def on_done(f):
assert f is future
selfref = selfweakref()
if selfref is None:
return
try:
QCoreApplication.postEvent(
selfref, QEvent(FutureWatcher.__FutureDone))
except RuntimeError:
# Ignore RuntimeErrors (when C++ side of QObject is deleted)
# (? Use QObject.destroyed and remove the done callback ?)
pass
def end(self):
if self.control is not None:
self.scene.removeItem(self.control)
self.control = None
self.down_pos = None
self.annotation_item = None
self.annotation = None
self.document.view().setCursor(Qt.ArrowCursor)
# Clear the help tip
helpevent = QuickHelpTipEvent("", "")
QCoreApplication.postEvent(self.document, helpevent)
UserInteraction.end(self)
def start(self):
self.document.view().setCursor(Qt.CrossCursor)
helpevent = QuickHelpTipEvent(
self.tr("Click to create a new text annotation"),
self.
tr('<h3>New text annotation</h3>'
'<p>Click (and drag to resize) on the canvas to create '
'a new text annotation item.</p>'
# '<a href="help://orange-canvas/text-annotations">'
# 'More ...</a>'
))
QCoreApplication.postEvent(self.document, helpevent)
UserInteraction.start(self)
def end(self):
if self.control is not None:
self.scene.removeItem(self.control)
self.control = None
self.down_pos = None
self.annotation_item = None
self.annotation = None
self.document.view().setCursor(Qt.ArrowCursor)
# Clear the help tip
helpevent = QuickHelpTipEvent("", "")
QCoreApplication.postEvent(self.document, helpevent)
UserInteraction.end(self)
def start(self):
self.document.view().setCursor(Qt.CrossCursor)
helpevent = QuickHelpTipEvent(
self.tr("Click to create a new text annotation"),
self.tr('<h3>New text annotation</h3>'
'<p>Click (and drag to resize) on the canvas to create '
'a new text annotation item.</p>'
# '<a href="help://orange-canvas/text-annotations">'
# 'More ...</a>'
)
)
QCoreApplication.postEvent(self.document, helpevent)
UserInteraction.start(self)
def start(self):
QCoreApplication.postEvent(self, ExecuteCallEvent())
def start(self):
QCoreApplication.postEvent(self, ExecuteCallEvent())
def start(self):
QCoreApplication.postEvent(self, QEvent(Task.__ExecuteCall))
def __on_anchorClicked(self, anchor):
ev = QuickHelpDetailRequestEvent(anchor.toString(), anchor)
QCoreApplication.postEvent(self, ev)
def __on_anchorClicked(self, anchor):
ev = QuickHelpDetailRequestEvent(anchor.toString(), anchor)
QCoreApplication.postEvent(self, ev)
def start(self):
QCoreApplication.postEvent(self, QEvent(Task.__ExecuteCall))
