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Python QTreeView.setCurrentIndex方法代码示例

本文整理汇总了Python中PyQt4.Qt.QTreeView.setCurrentIndex方法的典型用法代码示例。如果您正苦于以下问题:Python QTreeView.setCurrentIndex方法的具体用法?Python QTreeView.setCurrentIndex怎么用?Python QTreeView.setCurrentIndex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PyQt4.Qt.QTreeView的用法示例。


在下文中一共展示了QTreeView.setCurrentIndex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: ShortcutConfig

# 需要导入模块: from PyQt4.Qt import QTreeView [as 别名]
# 或者: from PyQt4.Qt.QTreeView import setCurrentIndex [as 别名]
class ShortcutConfig(QWidget):  # {{{

    changed_signal = pyqtSignal()

    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self._layout = l = QGridLayout()
        self.setLayout(self._layout)
        self.header = QLabel(_('Double click on any entry to change the'
            ' keyboard shortcuts associated with it'))
        l.addWidget(self.header, 0, 0, 1, 3)
        self.view = QTreeView(self)
        self.view.setAlternatingRowColors(True)
        self.view.setHeaderHidden(True)
        self.view.setAnimated(True)
        l.addWidget(self.view, 1, 0, 1, 3)
        self.delegate = Delegate()
        self.view.setItemDelegate(self.delegate)
        self.delegate.sizeHintChanged.connect(self.editor_opened,
                type=Qt.QueuedConnection)
        self.delegate.changed_signal.connect(self.changed_signal)
        self.search = SearchBox2(self)
        self.search.initialize('shortcuts_search_history',
                help_text=_('Search for a shortcut by name'))
        self.search.search.connect(self.find)
        l.addWidget(self.search, 2, 0, 1, 1)
        self.nb = QPushButton(QIcon(I('arrow-down.png')), _('&Next'), self)
        self.pb = QPushButton(QIcon(I('arrow-up.png')), _('&Previous'), self)
        self.nb.clicked.connect(self.find_next)
        self.pb.clicked.connect(self.find_previous)
        l.addWidget(self.nb, 2, 1, 1, 1)
        l.addWidget(self.pb, 2, 2, 1, 1)
        l.setColumnStretch(0, 100)

    def restore_defaults(self):
        self._model.restore_defaults()
        self.changed_signal.emit()

    def commit(self):
        if self.view.state() == self.view.EditingState:
            self.delegate.accept_changes()
        self._model.commit()

    def initialize(self, keyboard):
        self._model = ConfigModel(keyboard, parent=self)
        self.view.setModel(self._model)

    def editor_opened(self, index):
        self.view.scrollTo(index, self.view.EnsureVisible)

    @property
    def is_editing(self):
        return self.view.state() == self.view.EditingState

    def find(self, query):
        if not query:
            return
        try:
            idx = self._model.find(query)
        except ParseException:
            self.search.search_done(False)
            return
        self.search.search_done(True)
        if not idx.isValid():
            info_dialog(self, _('No matches'),
                    _('Could not find any shortcuts matching %s')%query,
                    show=True, show_copy_button=False)
            return
        self.highlight_index(idx)

    def highlight_index(self, idx):
        self.view.scrollTo(idx)
        self.view.selectionModel().select(idx,
                self.view.selectionModel().ClearAndSelect)
        self.view.setCurrentIndex(idx)
        self.view.setFocus(Qt.OtherFocusReason)

    def find_next(self, *args):
        idx = self.view.currentIndex()
        if not idx.isValid():
            idx = self._model.index(0, 0)
        idx = self._model.find_next(idx,
                unicode(self.search.currentText()))
        self.highlight_index(idx)

    def find_previous(self, *args):
        idx = self.view.currentIndex()
        if not idx.isValid():
            idx = self._model.index(0, 0)
        idx = self._model.find_next(idx,
            unicode(self.search.currentText()), backwards=True)
        self.highlight_index(idx)

    def highlight_group(self, group_name):
        idx = self.view.model().index_for_group(group_name)
        if idx is not None:
            self.view.expand(idx)
            self.view.scrollTo(idx, self.view.PositionAtTop)
            self.view.selectionModel().select(idx,
                    self.view.selectionModel().ClearAndSelect)
#.........这里部分代码省略.........
开发者ID:kutanari,项目名称:calibre,代码行数:103,代码来源:keyboard.py


注:本文中的PyQt4.Qt.QTreeView.setCurrentIndex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。