本文整理汇总了Python中PyQt4.QtGui.QListView.setCurrentIndex方法的典型用法代码示例。如果您正苦于以下问题：Python QListView.setCurrentIndex方法的具体用法？Python QListView.setCurrentIndex怎么用？Python QListView.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类PyQt4.QtGui.QListView的用法示例。
在下文中一共展示了QListView.setCurrentIndex方法的6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: DataTypeKeysWidget
# 需要导入模块: from PyQt4.QtGui import QListView [as 别名]
# 或者: from PyQt4.QtGui.QListView import setCurrentIndex [as 别名]
class DataTypeKeysWidget(QWidget):
dataTypeKeySelected = pyqtSignal(str)
def __init__(self):
QWidget.__init__(self)
self.__filter_popup = FilterPopup(self)
self.__filter_popup.filterSettingsChanged.connect(self.onItemChanged)
layout = QVBoxLayout()
self.model = DataTypeKeysListModel()
self.filter_model = DataTypeProxyModel(self.model)
filter_layout = QHBoxLayout()
self.search_box = SearchBox()
self.search_box.filterChanged.connect(self.setSearchString)
filter_layout.addWidget(self.search_box)
filter_popup_button = QToolButton()
filter_popup_button.setIcon(util.resourceIcon("ide/cog_edit.png"))
filter_popup_button.clicked.connect(self.showFilterPopup)
filter_layout.addWidget(filter_popup_button)
layout.addLayout(filter_layout)
self.data_type_keys_widget = QListView()
self.data_type_keys_widget.setModel(self.filter_model)
self.data_type_keys_widget.selectionModel().selectionChanged.connect(self.itemSelected)
layout.addSpacing(15)
layout.addWidget(self.data_type_keys_widget, 2)
layout.addStretch()
# layout.addWidget(Legend("Default types", DataTypeKeysListModel.DEFAULT_DATA_TYPE))
layout.addWidget(Legend("Observations available", DataTypeKeysListModel.HAS_OBSERVATIONS))
self.setLayout(layout)
def onItemChanged(self, item):
self.filter_model.setShowBlockKeys(item["block"])
self.filter_model.setShowSummaryKeys(item["summary"])
self.filter_model.setShowGenKWKeys(item["gen_kw"])
self.filter_model.setShowGenDataKeys(item["gen_data"])
self.filter_model.setShowCustomPcaKeys(item["custom_pca"])
def itemSelected(self):
selected_item = self.getSelectedItem()
if selected_item is not None:
self.dataTypeKeySelected.emit(selected_item)
def getSelectedItem(self):
""" @rtype: str """
index = self.data_type_keys_widget.currentIndex()
source_index = self.filter_model.mapToSource(index)
item = self.model.itemAt(source_index)
return item
def selectDefault(self):
self.data_type_keys_widget.setCurrentIndex(self.filter_model.index(0, 0))
def setSearchString(self, filter):
self.filter_model.setFilterFixedString(filter)
def showFilterPopup(self):
self.__filter_popup.show()示例2: DesktopIconWidget
# 需要导入模块: from PyQt4.QtGui import QListView [as 别名]
# 或者: from PyQt4.QtGui.QListView import setCurrentIndex [as 别名]
class DesktopIconWidget(QFrame):
def __init__(self, parent):
QFrame.__init__(self, parent)
self.setFrameStyle(QFrame.Box | QFrame.Sunken)
self.setStyleSheet("QListView{background:transparent;}")
self.listView = QListView(self)
self.setLayout(QHBoxLayout())
self.layout().setContentsMargins(0, 0, 0, 0)
self.layout().addWidget(self.listView)
self.listView.setContextMenuPolicy(Qt.CustomContextMenu)
self.listView.setEditTriggers(QAbstractItemView.NoEditTriggers)
self.listView.setMovement(QListView.Snap)
self.listView.setFlow(QListView.LeftToRight)
self.listView.setResizeMode(QListView.Adjust)
self.listView.setGridSize(QSize(self.logicalDpiX() / 96 * 70,
self.logicalDpiY() / 96 * 70))
self.listView.setViewMode(QListView.IconMode)
self.quickDesktopModel = QuickDesktopModel(self.window().platform.databaseFile)
self.listView.setModel(self.quickDesktopModel)
self.createActions()
self.makeConnections()
def createActions(self):
self.actionCreateComputer = QAction(self.trUtf8("我的电脑(&C)"), self)
self.actionCreateDocuments = QAction(self.trUtf8("我的文档(&D)"), self)
self.actionCreateMusic = QAction(self.trUtf8("我的音乐(&M)"), self)
self.actionCreatePictures = QAction(self.trUtf8("我的图片(&P)"), self)
self.actionCreateShortcut = QAction(self.trUtf8("创建快捷方式(&C)"), self)
self.actionCreateShortcut.setIcon(QIcon(":/images/new.png"))
self.actionCreateBookmark = QAction(self.trUtf8("创建网络链接(&B)"), self)
self.actionCreateBookmark.setIcon(QIcon(":/images/insert-link.png"))
self.actionRemoveShortcut = QAction(self.trUtf8("删除快捷方式(&R)"), self)
self.actionRemoveShortcut.setIcon(QIcon(":/images/delete.png"))
self.actionRenameShortcut = QAction(self.trUtf8("重命名(&N)"), self)
self.actionRenameShortcut.setIcon(QIcon(":/images/edit-rename.png"))
self.actionEditShortcut = QAction(self.trUtf8("编辑快捷方式(&E)"), self)
self.actionEditShortcut.setIcon(QIcon(":/images/edit.png"))
def makeConnections(self):
self.listView.customContextMenuRequested.connect(self.onQuickDesktopContextMenuRequest)
self.listView.activated.connect(self.runQuickDesktopShortcut)
self.actionCreateComputer.triggered.connect(self.createComputerShortcut)
self.actionCreateDocuments.triggered.connect(self.createDocumentsShortcut)
self.actionCreateMusic.triggered.connect(self.createMusicShortcut)
self.actionCreatePictures.triggered.connect(self.createPicturesShortcut)
self.actionCreateShortcut.triggered.connect(self.createShortcut)
self.actionCreateBookmark.triggered.connect(self.createBookmark)
self.actionEditShortcut.triggered.connect(self.editShortcut)
self.actionRemoveShortcut.triggered.connect(self.removeShortcut)
self.actionRenameShortcut.triggered.connect(self.renameShortcut)
def onQuickDesktopContextMenuRequest(self, pos):
index = self.listView.indexAt(pos)
self.listView.setCurrentIndex(index)
menu = QMenu()
menu.addAction(self.actionCreateShortcut)
menu.addAction(self.actionCreateBookmark)
menu2 = menu.addMenu(self.trUtf8("创建特殊快捷方式(&S)"))
if os.name == "nt":
menu2.addAction(self.actionCreateComputer)
menu2.addAction(self.actionCreateDocuments)
menu2.addAction(self.actionCreatePictures)
menu2.addAction(self.actionCreateMusic)
if index.isValid():
menu.addAction(self.actionRemoveShortcut)
if not self.quickDesktopModel.isSpecialShortcut(index):
menu.addAction(self.actionEditShortcut)
menu.addAction(self.actionRenameShortcut)
try:
getattr(menu, "exec")(QCursor.pos())
except AttributeError:
getattr(menu, "exec_")(QCursor.pos())
def createShortcut(self):
d = ShortcutDialog(self)
if self.window().runDialog(d.create) == QDialog.Accepted:
shortcut = d.getResult()
shortcut["id"] = str(uuid.uuid4())
self.quickDesktopModel.addShortcut(shortcut)
d.deleteLater()
def createBookmark(self):
d = BookmarkDialog(self)
if self.window().runDialog(d.create) == QDialog.Accepted:
shortcut = {
"id": str(uuid.uuid4()),
"icon": "",
"openwith": "",
"dir": "",
}
shortcut.update(d.getResult())
self.quickDesktopModel.addShortcut(shortcut)
d.deleteLater()
def createComputerShortcut(self):
shortcut = {
#.........这里部分代码省略.........
示例3: SortedListWidget
# 需要导入模块: from PyQt4.QtGui import QListView [as 别名]
# 或者: from PyQt4.QtGui.QListView import setCurrentIndex [as 别名]
class SortedListWidget(QWidget):
sortingOrderChanged = Signal()
class _MyItemDelegate(QStyledItemDelegate):
def __init__(self, sortingModel, parent):
QStyledItemDelegate.__init__(self, parent)
self.sortingModel = sortingModel
def sizeHint(self, option, index):
size = QStyledItemDelegate.sizeHint(self, option, index)
return QSize(size.width(), size.height() + 4)
def createEditor(self, parent, option, index):
cb = QComboBox(parent)
cb.setModel(self.sortingModel)
cb.showPopup()
return cb
def setEditorData(self, editor, index):
pass # TODO: sensible default
def setModelData(self, editor, model, index):
text = editor.currentText()
model.setData(index, text)
def __init__(self, *args):
QWidget.__init__(self, *args)
self.setContentsMargins(0, 0, 0, 0)
gridLayout = QGridLayout()
gridLayout.setContentsMargins(0, 0, 0, 0)
gridLayout.setSpacing(1)
model = QStandardItemModel(self)
model.rowsInserted.connect(self.__changed)
model.rowsRemoved.connect(self.__changed)
model.dataChanged.connect(self.__changed)
self._listView = QListView(self)
self._listView.setModel(model)
# self._listView.setDragEnabled(True)
self._listView.setDropIndicatorShown(True)
self._listView.setDragDropMode(QListView.InternalMove)
self._listView.viewport().setAcceptDrops(True)
self._listView.setMinimumHeight(100)
gridLayout.addWidget(self._listView, 0, 0, 2, 2)
vButtonLayout = QVBoxLayout()
self._upAction = QAction(
"\u2191", self, toolTip="Move up")
self._upButton = QToolButton(self)
self._upButton.setDefaultAction(self._upAction)
self._upButton.setSizePolicy(
QSizePolicy.Fixed, QSizePolicy.MinimumExpanding)
self._downAction = QAction(
"\u2193", self, toolTip="Move down")
self._downButton = QToolButton(self)
self._downButton.setDefaultAction(self._downAction)
self._downButton.setSizePolicy(
QSizePolicy.Fixed, QSizePolicy.MinimumExpanding)
vButtonLayout.addWidget(self._upButton)
vButtonLayout.addWidget(self._downButton)
gridLayout.addLayout(vButtonLayout, 0, 2, 2, 1)
hButtonLayout = QHBoxLayout()
self._addAction = QAction("+", self)
self._addButton = QToolButton(self)
self._addButton.setDefaultAction(self._addAction)
self._removeAction = QAction("-", self)
self._removeButton = QToolButton(self)
self._removeButton.setDefaultAction(self._removeAction)
hButtonLayout.addWidget(self._addButton)
hButtonLayout.addWidget(self._removeButton)
hButtonLayout.addStretch(10)
gridLayout.addLayout(hButtonLayout, 2, 0, 1, 2)
self.setLayout(gridLayout)
self._addAction.triggered.connect(self._onAddAction)
self._removeAction.triggered.connect(self._onRemoveAction)
self._upAction.triggered.connect(self._onUpAction)
self._downAction.triggered.connect(self._onDownAction)
def sizeHint(self):
size = QWidget.sizeHint(self)
return QSize(size.width(), 100)
def _onAddAction(self):
item = QStandardItem("")
item.setFlags(item.flags() ^ Qt.ItemIsDropEnabled)
self._listView.model().appendRow(item)
self._listView.setCurrentIndex(item.index())
#.........这里部分代码省略.........
示例4: SelectionSetsWidget
# 需要导入模块: from PyQt4.QtGui import QListView [as 别名]
# 或者: from PyQt4.QtGui.QListView import setCurrentIndex [as 别名]
#.........这里部分代码省略.........
QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)
self._addToolButton.setDefaultAction(self._addAction)
self._updateToolButton.setDefaultAction(self._updateAction)
self._removeToolButton.setDefaultAction(self._removeAction)
buttonLayout.addWidget(self._addToolButton)
buttonLayout.addWidget(self._updateToolButton)
buttonLayout.addWidget(self._removeToolButton)
layout.addLayout(buttonLayout)
self.setLayout(layout)
self._addAction.triggered.connect(self.addCurrentSelection)
self._updateAction.triggered.connect(self.updateSelectedSelection)
self._removeAction.triggered.connect(self.removeSelectedSelection)
self._setListView.selectionModel().selectionChanged.connect(
self._onListViewSelectionChanged)
self.selectionModel = None
self._selections = []
def sizeHint(self):
size = QFrame.sizeHint(self)
return QSize(size.width(), 200)
def _onSelectionChanged(self, selected, deselected):
self.setSelectionModified(True)
def _onListViewSelectionChanged(self, selected, deselected):
try:
index = self._setListView.selectedIndexes()[0]
except IndexError:
return
self.commitSelection(self._proxyModel.mapToSource(index).row())
def _onSetNameChange(self, item):
self.selections[item.row()].name = str(item.text())
def _setButtonStates(self, val):
self._updateToolButton.setEnabled(val)
def setSelectionModel(self, selectionModel):
if self.selectionModel:
self.selectionModel.selectionChanged.disconnect(
self._onSelectionChanged)
self.selectionModel = selectionModel
self.selectionModel.selectionChanged.connect(self._onSelectionChanged)
def addCurrentSelection(self):
item = self.addSelection(
SelectionByKey(self.selectionModel.selection(),
name="New selection",
key=(1, 2, 3, 10)))
index = self._proxyModel.mapFromSource(item.index())
self._setListView.setCurrentIndex(index)
self._setListView.edit(index)
self.setSelectionModified(False)
def removeSelectedSelection(self):
i = self._proxyModel.mapToSource(self._setListView.currentIndex()).row()
self._listModel.takeRow(i)
del self.selections[i]
def updateCurentSelection(self):
i = self._proxyModel.mapToSource(self._setListView.selectedIndex()).row()
self.selections[i].setSelection(self.selectionModel.selection())
self.setSelectionModified(False)
def addSelection(self, selection, name=""):
self._selections.append(selection)
item = QStandardItem(selection.name)
item.setFlags(item.flags() ^ Qt.ItemIsDropEnabled)
self._listModel.appendRow(item)
self.setSelectionModified(False)
return item
def updateSelectedSelection(self):
i = self._proxyModel.mapToSource(self._setListView.currentIndex()).row()
self.selections[i].setSelection(self.selectionModel.selection())
self.setSelectionModified(False)
def setSelectionModified(self, val):
self._selectionModified = val
self._setButtonStates(val)
self.selectionModified.emit(bool(val))
def commitSelection(self, index):
selection = self.selections[index]
selection.select(self.selectionModel)
def setSelections(self, selections):
self._listModel.clear()
for selection in selections:
self.addSelection(selection)
def selections(self):
return self._selections
selections = property(selections, setSelections)示例5: DataTypeKeysWidget
# 需要导入模块: from PyQt4.QtGui import QListView [as 别名]
# 或者: from PyQt4.QtGui.QListView import setCurrentIndex [as 别名]
class DataTypeKeysWidget(QWidget):
dataTypeKeySelected = pyqtSignal(str)
def __init__(self):
QWidget.__init__(self)
layout = QVBoxLayout()
self.model = DataTypeKeysListModel()
self.filter_model = DataTypeProxyModel(self.model)
self.search_box = SearchBox()
self.search_box.filterChanged.connect(self.setSearchString)
layout.addWidget(self.search_box)
data_type_model = QStandardItemModel(0, 1)
item = QStandardItem("Select data types...")
data_type_model.appendRow(item)
self.__summary_item = QStandardItem("Summary")
self.__summary_item.setFlags(Qt.ItemIsUserCheckable | Qt.ItemIsEnabled)
self.__summary_item.setData(Qt.Checked, Qt.CheckStateRole)
data_type_model.appendRow(self.__summary_item)
self.__block_item = QStandardItem("Block")
self.__block_item.setFlags(Qt.ItemIsUserCheckable | Qt.ItemIsEnabled)
self.__block_item.setData(Qt.Checked, Qt.CheckStateRole)
data_type_model.appendRow(self.__block_item)
data_type_model.itemChanged.connect(self.onItemChanged)
combo = QComboBox()
combo.setModel(data_type_model)
layout.addWidget(combo)
self.data_type_keys_widget = QListView()
self.data_type_keys_widget.setModel(self.filter_model)
self.data_type_keys_widget.selectionModel().selectionChanged.connect(self.itemSelected)
layout.addSpacing(15)
layout.addWidget(self.data_type_keys_widget, 2)
layout.addWidget(Legend("Default types", DataTypeKeysListModel.DEFAULT_DATA_TYPE))
layout.addWidget(Legend("Observations available", DataTypeKeysListModel.HAS_OBSERVATIONS))
self.setLayout(layout)
def onItemChanged(self, item):
assert isinstance(item, QStandardItem)
checked = item.checkState()==Qt.Checked
if item == self.__block_item:
self.filter_model.setShowBlockKeys(checked)
elif item == self.__summary_item:
self.filter_model.setShowSummaryKeys(checked)
def itemSelected(self):
selected_item = self.getSelectedItem()
if selected_item is not None:
self.dataTypeKeySelected.emit(selected_item)
def getSelectedItem(self):
""" @rtype: str """
index = self.data_type_keys_widget.currentIndex()
source_index = self.filter_model.mapToSource(index)
item = self.model.itemAt(source_index)
return item
def selectDefault(self):
self.data_type_keys_widget.setCurrentIndex(self.filter_model.index(0, 0))
def setSearchString(self, filter):
self.filter_model.setFilterFixedString(filter)示例6: DirectoryWidget
# 需要导入模块: from PyQt4.QtGui import QListView [as 别名]
# 或者: from PyQt4.QtGui.QListView import setCurrentIndex [as 别名]
#.........这里部分代码省略.........
setButton.setAutoRaise(True)
hiddenButton = QToolButton()
hiddenButton.setDefaultAction(hiddenAction)
hiddenButton.setAutoRaise(True)
hbox = QHBoxLayout()
hbox.addWidget(upButton)
hbox.addWidget(synchButton)
hbox.addWidget(newButton)
hbox.addWidget(setButton)
hbox.addWidget(hiddenButton)
vbox = QVBoxLayout(self)
vbox.addLayout(hbox)
vbox.addWidget(self.lineEdit)
vbox.addWidget(self.listView)
vbox.addWidget(filterLabel)
vbox.addWidget(filterLineEdit)
def toggleHidden(self, toggled):
base = QDir.AllDirs|QDir.AllEntries|QDir.NoDotAndDotDot
if toggled:
self.model.setFilter(base|QDir.Hidden)
else:
self.model.setFilter(base)
def gotoFolder(self):
text = self.lineEdit.text()
self.listView.setRootIndex(self.proxyModel.mapFromSource(self.model.index(text, 0)))
def rootChanged(self):
index1 = self.listView.rootIndex()
index2 = self.proxyModel.mapToSource(index1)
self.lineEdit.setText(self.model.filePath(index2))
self.listView.setCurrentIndex(index1)
def customContext(self, pos):
index = self.listView.indexAt(pos)
index = self.proxyModel.mapToSource(index)
if not index.isValid():
self.rmAction.setEnabled(False)
self.openAction.setEnabled(False)
self.loadAction.setEnabled(False)
elif not self.model.isDir(index):
info = self.model.fileInfo(index)
suffix = info.suffix()
if suffix in ("Rd","Rdata","RData"):
self.loadAction.setEnabled(True)
self.openAction.setEnabled(False)
self.loadExternal.setEnabled(False)
elif suffix in ("txt","csv","R","r"):
self.openAction.setEnabled(True)
self.loadAction.setEnabled(False)
self.loadExternal.setEnabled(True)
else:
self.loadAction.setEnabled(False)
self.openAction.setEnabled(False)
self.loadExternal.setEnabled(True)
menu = QMenu(self)
for action in self.actions:
menu.addAction(action)
menu.exec_(self.listView.mapToGlobal(pos))
def openItem(self):
index = self.listView.currentIndex()
index = self.proxyModel.mapToSource(index)
self.emit(SIGNAL("openFileRequest(QString)"),