本文整理汇总了Python中PyQt5.Qt.QListWidget.findItems方法的典型用法代码示例。如果您正苦于以下问题:Python QListWidget.findItems方法的具体用法?Python QListWidget.findItems怎么用?Python QListWidget.findItems使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyQt5.Qt.QListWidget
的用法示例。
在下文中一共展示了QListWidget.findItems方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: SavedSearchEditor
# 需要导入模块: from PyQt5.Qt import QListWidget [as 别名]
# 或者: from PyQt5.Qt.QListWidget import findItems [as 别名]
#.........这里部分代码省略.........
self.slist = QListWidget(self)
self.slist.setStyleSheet('QListView::item { padding: 3px }')
self.slist.activated.connect(self.edit_search)
self.slist.setAlternatingRowColors(True)
self.searches = {name: db.saved_search_lookup(name) for name in db.saved_search_names()}
self.populate_search_list()
if self.initial_search is not None and self.initial_search in self.searches:
self.select_search(self.initial_search)
elif self.searches:
self.slist.setCurrentRow(0)
self.slist.currentItemChanged.connect(self.current_index_changed)
l.addWidget(self.slist)
self.desc = la = QLabel('\xa0')
la.setWordWrap(True)
l.addWidget(la)
l.addWidget(self.bb)
self.current_index_changed(self.slist.currentItem())
self.setMinimumHeight(500)
self.setMinimumWidth(600)
@property
def current_search_name(self):
i = self.slist.currentItem()
if i is not None:
ans = i.text()
if ans in self.searches:
return ans
def populate_search_list(self):
self.slist.clear()
for name in sorted(self.searches.keys(), key=sort_key):
self.slist.addItem(name)
def add_search(self):
d = AddSavedSearch(parent=self, commit_changes=False)
if d.exec_() != d.Accepted:
return
name, expression = d.accepted_data
nmap = {icu_lower(n):n for n in self.searches}
if icu_lower(name) in nmap:
q = nmap[icu_lower(name)]
del self.searches[q]
self.select_search(q)
self.slist.takeItem(self.slist.currentRow())
self.searches[name] = expression
self.slist.insertItem(0, name)
self.slist.setCurrentRow(0)
self.current_index_changed(self.slist.currentItem())
def del_search(self):
n = self.current_search_name
if n is not None:
if not confirm(
'<p>' + _(
'The current saved search will be '
'<b>permanently deleted</b>. Are you sure?') + '</p>',
'saved_search_editor_delete', self):
return
self.slist.takeItem(self.slist.currentRow())
del self.searches[n]
def edit_search(self):
n = self.current_search_name
if not n:
return
d = AddSavedSearch(parent=self, commit_changes=False, label=_('Edit the name and/or expression below.'), validate=self.validate_edit)
d.setWindowTitle(_('Edit saved search'))
d.sname.setText(n)
d.search.setText(self.searches[n])
if d.exec_() != d.Accepted:
return
name, expression = d.accepted_data
self.slist.currentItem().setText(name)
del self.searches[n]
self.searches[name] = expression
self.current_index_changed(self.slist.currentItem())
def validate_edit(self, name, expression):
q = self.current_search_name
if icu_lower(name) in {icu_lower(n) for n in self.searches if n != q}:
return _('A saved search with the name {} already exists. Choose another name').format(name)
def select_search(self, name):
items = self.slist.findItems(name, Qt.MatchFixedString | Qt.MatchCaseSensitive)
if items:
self.slist.setCurrentItem(items[0])
def current_index_changed(self, item):
n = self.current_search_name
if n:
t = self.searches[n]
else:
t = ''
self.desc.setText('<p><b>{}</b>: '.format(_('Search expression')) + prepare_string_for_xml(t))
def accept(self):
commit_searches(self.searches)
Dialog.accept(self)