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Fix a crash in popup completion lists if the mouse is over the list and list is scrolled with the keyboard

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Seems to be a regression in newer Qt versions, work around it.
This commit is contained in:
Kovid Goyal 2019-10-26 10:21:28 +05:30
parent a33fe3f671
commit f62e3a1bfc
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1 changed files with 5 additions and 4 deletions
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9
src/calibre/gui2/complete2.py
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@ -98,7 +98,7 @@ class Completer(QListView): # {{{
self.setAlternatingRowColors(True)
self.setModel(CompleteModel(self, sort_func=sort_func, strip_completion_entries=strip_completion_entries))
self.setMouseTracking(True)
self.entered.connect(self.item_entered)
self.entered.connect(self.item_entered, type=Qt.QueuedConnection)
self.activated.connect(self.item_chosen)
self.pressed.connect(self.item_chosen)
self.installEventFilter(self)
@ -132,7 +132,7 @@ class Completer(QListView): # {{{
try:
self.setCurrentIndex(idx)
finally:
self.entered.connect(self.item_entered)
self.entered.connect(self.item_entered, type=Qt.QueuedConnection)
def next_match(self, previous=False):
c = self.currentIndex()
@ -525,12 +525,13 @@ class EditWithComplete(EnComboBox):
if __name__ == '__main__':
from PyQt5.Qt import QDialog, QVBoxLayout
app = QApplication([])
from calibre.gui2 import Application
app = Application([])
d = QDialog()
d.setLayout(QVBoxLayout())
le = EditWithComplete(d)
d.layout().addWidget(le)
items = ['one', 'otwo', 'othree', 'ooone', 'ootwo',
items = ['one', 'otwo', 'othree', 'ooone', 'ootwo', 'other', 'odd', 'over', 'orc', 'oven', 'owe',
'oothree', 'a1', 'a2',u'Edgas', u'Èdgar', u'Édgaq', u'Edgar', u'Édgar']
le.update_items_cache(items)
le.show_initial_value('')