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Python QListWidget.findItems方法代码示例

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)
开发者ID:JimmXinu,项目名称:calibre,代码行数:104,代码来源:saved_search_editor.py


注:本文中的PyQt5.Qt.QListWidget.findItems方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。