本文整理汇总了Python中PyQt5.QtWidgets.QTreeView.setDragEnabled方法的典型用法代码示例。如果您正苦于以下问题：Python QTreeView.setDragEnabled方法的具体用法？Python QTreeView.setDragEnabled怎么用？Python QTreeView.setDragEnabled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.QtWidgets.QTreeView的用法示例。
在下文中一共展示了QTreeView.setDragEnabled方法的2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: OpenedFileExplorer
# 需要导入模块: from PyQt5.QtWidgets import QTreeView [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeView import setDragEnabled [as 别名]
class OpenedFileExplorer(DockWidget):
"""Opened File Explorer is list widget with list of opened files.
It implements switching current file, files sorting. Uses _OpenedFileModel internally.
Class instance created by Workspace.
"""
def __init__(self, workspace):
DockWidget.__init__(self, workspace, "&Opened Files", QIcon(":/enkiicons/filtered.png"), "Alt+O")
self._workspace = workspace
self.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea)
self.tvFiles = QTreeView(self)
self.tvFiles.setHeaderHidden(True)
self.tvFiles.setEditTriggers(QAbstractItemView.SelectedClicked)
self.tvFiles.setContextMenuPolicy(Qt.CustomContextMenu)
self.tvFiles.setDragEnabled(True)
self.tvFiles.setDragDropMode(QAbstractItemView.InternalMove)
self.tvFiles.setRootIsDecorated(False)
self.tvFiles.setTextElideMode(Qt.ElideMiddle)
self.tvFiles.setUniformRowHeights(True)
self.tvFiles.customContextMenuRequested.connect(self._onTvFilesCustomContextMenuRequested)
self.setWidget(self.tvFiles)
self.setFocusProxy(self.tvFiles)
self.model = _OpenedFileModel(self) # Not protected, because used by Configurator
self.tvFiles.setModel(self.model)
self.tvFiles.setAttribute(Qt.WA_MacShowFocusRect, False)
self.tvFiles.setAttribute(Qt.WA_MacSmallSize)
self._workspace.currentDocumentChanged.connect(self._onCurrentDocumentChanged)
# disconnected by startModifyModel()
self.tvFiles.selectionModel().selectionChanged.connect(self._onSelectionModelSelectionChanged)
self.tvFiles.activated.connect(self._workspace.focusCurrentDocument)
core.actionManager().addAction("mView/aOpenedFiles", self.showAction())
def terminate(self):
"""Explicitly called destructor
"""
core.actionManager().removeAction("mView/aOpenedFiles")
def startModifyModel(self):
"""Blocks signals from model while it is modified by code
"""
self.tvFiles.selectionModel().selectionChanged.disconnect(self._onSelectionModelSelectionChanged)
def finishModifyModel(self):
"""Unblocks signals from model
"""
self.tvFiles.selectionModel().selectionChanged.connect(self._onSelectionModelSelectionChanged)
@pyqtSlot(Document, Document)
def _onCurrentDocumentChanged(self, oldDocument, currentDocument): # pylint: disable=W0613
""" Current document has been changed on workspace
"""
if currentDocument is not None:
index = self.model.documentIndex(currentDocument)
self.startModifyModel()
self.tvFiles.setCurrentIndex(index)
# scroll the view
self.tvFiles.scrollTo(index)
self.finishModifyModel()
@pyqtSlot(QItemSelection, QItemSelection)
def _onSelectionModelSelectionChanged(self, selected, deselected): # pylint: disable=W0613
""" Item selected in the list. Switch current document
"""
if not selected.indexes(): # empty list, last file closed
return
index = selected.indexes()[0]
# backup/restore current focused widget as setting active mdi window will steal it
focusWidget = self.window().focusWidget()
# set current document
document = self._workspace.sortedDocuments[index.row()]
self._workspace.setCurrentDocument(document)
# restore focus widget
if focusWidget:
focusWidget.setFocus()
@pyqtSlot(QPoint)
def _onTvFilesCustomContextMenuRequested(self, pos):
"""Connected automatically by uic
"""
menu = QMenu()
menu.addAction(core.actionManager().action("mFile/mClose/aCurrent"))
menu.addAction(core.actionManager().action("mFile/mSave/aCurrent"))
menu.addAction(core.actionManager().action("mFile/mReload/aCurrent"))
menu.addSeparator()
menu.addAction(core.actionManager().action("mFile/mFileSystem/aRename"))
#.........这里部分代码省略.........
示例2: OpenedFileExplorer
# 需要导入模块: from PyQt5.QtWidgets import QTreeView [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeView import setDragEnabled [as 别名]
class OpenedFileExplorer(DockWidget):
"""Opened File Explorer is list widget with list of opened files.
It implements switching current file, files sorting. Uses _OpenedFileModel internally.
Class instance created by Workspace.
"""
def __init__(self, workspace):
DockWidget.__init__(self, workspace, "&Opened Files", QIcon(":/enkiicons/filtered.png"), "Alt+O")
self._workspace = workspace
self.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea)
self.tvFiles = QTreeView(self)
self.tvFiles.setHeaderHidden(True)
self.tvFiles.setEditTriggers(QAbstractItemView.SelectedClicked)
self.tvFiles.setContextMenuPolicy(Qt.CustomContextMenu)
self.tvFiles.setDragEnabled(True)
self.tvFiles.setDragDropMode(QAbstractItemView.InternalMove)
self.tvFiles.setRootIsDecorated(False)
self.tvFiles.setTextElideMode(Qt.ElideMiddle)
self.tvFiles.setUniformRowHeights(True)
self.tvFiles.customContextMenuRequested.connect(self._onTvFilesCustomContextMenuRequested)
self.setWidget(self.tvFiles)
self.setFocusProxy(self.tvFiles)
self.model = _OpenedFileModel(self) # Not protected, because used by Configurator
self.tvFiles.setModel(self.model)
self.tvFiles.setAttribute(Qt.WA_MacShowFocusRect, False)
self.tvFiles.setAttribute(Qt.WA_MacSmallSize)
self._workspace.currentDocumentChanged.connect(self._onCurrentDocumentChanged)
# disconnected by startModifyModel()
self.tvFiles.selectionModel().selectionChanged.connect(self._onSelectionModelSelectionChanged)
self.tvFiles.activated.connect(self._workspace.focusCurrentDocument)
core.actionManager().addAction("mView/aOpenedFiles", self.showAction())
# Add auto-hide capability.
self._waitForCtrlRelease = False
core.actionManager().action("mNavigation/aNext").triggered.connect(
self._setWaitForCtrlRelease)
core.actionManager().action("mNavigation/aPrevious").triggered.connect(
self._setWaitForCtrlRelease)
QApplication.instance().installEventFilter(self)
def terminate(self):
"""Explicitly called destructor
"""
core.actionManager().removeAction("mView/aOpenedFiles")
QApplication.instance().removeEventFilter(self)
def startModifyModel(self):
"""Blocks signals from model while it is modified by code
"""
self.tvFiles.selectionModel().selectionChanged.disconnect(self._onSelectionModelSelectionChanged)
def finishModifyModel(self):
"""Unblocks signals from model
"""
self.tvFiles.selectionModel().selectionChanged.connect(self._onSelectionModelSelectionChanged)
@pyqtSlot(Document, Document)
def _onCurrentDocumentChanged(self, oldDocument, currentDocument): # pylint: disable=W0613
""" Current document has been changed on workspace
"""
if currentDocument is not None:
index = self.model.documentIndex(currentDocument)
self.startModifyModel()
self.tvFiles.setCurrentIndex(index)
# scroll the view
self.tvFiles.scrollTo(index)
self.finishModifyModel()
@pyqtSlot(QItemSelection, QItemSelection)
def _onSelectionModelSelectionChanged(self, selected, deselected): # pylint: disable=W0613
""" Item selected in the list. Switch current document
"""
if not selected.indexes(): # empty list, last file closed
return
index = selected.indexes()[0]
# backup/restore current focused widget as setting active mdi window will steal it
focusWidget = self.window().focusWidget()
# set current document
document = self._workspace.sortedDocuments[index.row()]
self._workspace.setCurrentDocument(document)
# restore focus widget
if focusWidget:
focusWidget.setFocus()
@pyqtSlot(QPoint)
def _onTvFilesCustomContextMenuRequested(self, pos):
#.........这里部分代码省略.........