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grc-qt: selection problem

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In some situations setting up a connection between an output and input
the input port remains selected. So clicking another output port establishes
an unwanted connection.
This commit handles this situation.
Fixes  #7345

Signed-off-by: Volker Schroer <3470424+dl1ksv@users.noreply.github.com>
This commit is contained in:
Volker Schroer 2024-06-23 18:27:58 +02:00 committed by Jeff Long
parent 47436fbeb3
commit 9914fb01a1
1 changed files with 15 additions and 18 deletions
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33
gui_qt/components/canvas/flowgraph.py
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@ -69,6 +69,7 @@ class FlowgraphScene(QtWidgets.QGraphicsScene, base.Component):
self.dummy_arrow = None
self.start_port = None
self.end_port = None
self._elements_to_draw = []
self._external_updaters = {}
@ -281,7 +282,6 @@ class FlowgraphScene(QtWidgets.QGraphicsScene, base.Component):
return
self.clickPos = event.scenePos()
selected = self.selectedItems()
self.moving_blocks = False
if g_item and not isinstance(g_item, DummyConnection):
@ -289,23 +289,10 @@ class FlowgraphScene(QtWidgets.QGraphicsScene, base.Component):
if c_item.is_block:
self.moving_blocks = True
elif c_item.is_port:
new_con = None
self.start_port = None
if len(selected) == 1:
if selected[0].core.is_port and selected[0] != g_item:
if selected[0].core.is_source and c_item.is_sink:
new_con = self.core.connect(selected[0].core, c_item)
elif selected[0].core.is_sink and c_item.is_source:
new_con = self.core.connect(c_item, selected[0].core)
if new_con:
log.debug("Created connection (click)")
self.addItem(new_con.gui)
self.newElement.emit(new_con)
self.update()
else:
if c_item.is_source:
self.start_port = g_item
if c_item.is_source:
self.start_port = g_item
elif c_item.is_sink:
self.end_port = g_item
if event.button() == Qt.LeftButton:
self.mousePressed = True
super(FlowgraphScene, self).mousePressEvent(event)
@ -338,10 +325,20 @@ class FlowgraphScene(QtWidgets.QGraphicsScene, base.Component):
self.addItem(new_con.gui)
self.newElement.emit(new_con)
self.update()
self.start_port = None
self.end_port = None
self.dummy_arrow = None
else:
if self.clickPos != event.scenePos() and self.moving_blocks:
self.itemMoved.emit(event.scenePos() - self.clickPos)
elif (self.start_port != None) and (self.end_port != None):
log.debug("Created connection (click)")
new_con = self.core.connect(self.start_port.core, self.end_port.core)
self.addItem(new_con.gui)
self.newElement.emit(new_con)
self.update()
self.start_port = None
self.end_port = None
self.mousePressed = False
super(FlowgraphScene, self).mouseReleaseEvent(event)