Python QTreeView.width方法代码示例

# 需要导入模块: from PyQt5.QtWidgets import QTreeView [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeView import width [as 别名]
try:
    rootPath = parser.positionalArguments().pop(0)
except IndexError:
    rootPath = None

model = QFileSystemModel()
model.setRootPath('')
if parser.isSet(dontUseCustomDirectoryIconsOption):
    model.iconProvider().setOptions(
            QFileIconProvider.DontUseCustomDirectoryIcons)
tree = QTreeView()
tree.setModel(model)
if rootPath is not None:
    rootIndex = model.index(QDir.cleanPath(rootPath))
    if rootIndex.isValid():
        tree.setRootIndex(rootIndex)

# Demonstrating look and feel features.
tree.setAnimated(False)
tree.setIndentation(20)
tree.setSortingEnabled(True)

availableSize = QApplication.desktop().availableGeometry(tree).size()
tree.resize(availableSize / 2)
tree.setColumnWidth(0, tree.width() / 3)

tree.setWindowTitle("Dir View")
tree.show()

sys.exit(app.exec_())

# 需要导入模块: from PyQt5.QtWidgets import QTreeView [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeView import width [as 别名]
class Explorer(QDialog):
    def __init__(
        self, parent, window_title=_("Select resources"), subtitle=_("Select files and/or folders to include")
    ):
        super().__init__(parent)
        self.logger = logging.getLogger(__name__)
        self.setModal(True)
        self.setSizeGripEnabled(True)
        self.setWindowTitle(window_title)
        self.subtitle = subtitle
        self.file_set = set()
        self.config = Configuration()
        self.__init_ui__()
        self.filename_filter = FilenameFilter()
        # self.show()

    def __init_ui__(self):
        # layout
        vert = QVBoxLayout(self)
        vert.setContentsMargins(0, 0, 0, 0)

        resource_dir = self.config.cfg_resource_dir()

        p_top = QVBoxLayout()
        lb_subtitle = QLabel(self.subtitle)
        lb_subtitle.setContentsMargins(10, 10, 10, 0)
        p_top.addWidget(lb_subtitle)

        self.model = QFileSystemModel()
        self.model.setRootPath(resource_dir)

        self.view = QTreeView()
        self.view.setModel(self.model)
        self.view.setRootIndex(self.model.index(self.model.rootPath()))
        self.view.setAlternatingRowColors(True)
        self.view.setSelectionMode(QAbstractItemView.MultiSelection)
        self.view.selectionModel().selectionChanged.connect(self.selection_changed)
        self.view.collapsed.connect(self.item_collapsed)
        self.view.expanded.connect(self.item_expanded)
        p_top.addWidget(self.view)

        p_info = QHBoxLayout()
        lb_resource = QLabel(_("resource dir") + ": " + resource_dir)
        lb_resource.setContentsMargins(10, 0, 10, 0)

        self.lb_selection_count = QLabel(str(self.selected_file_count()) + " " + _("resources selected"))
        self.lb_selection_count.setContentsMargins(10, 0, 10, 0)

        p_info.addWidget(self.lb_selection_count)
        p_info.addStretch(1)
        p_info.addWidget(lb_resource)

        p_top.addLayout(p_info)

        p_bottom = QHBoxLayout()

        self.pb_deselect = QPushButton(_("Deselect all"))
        self.pb_deselect.clicked.connect(self.pb_deselect_clicked)
        self.pb_deselect.setEnabled(self.selected_file_count() > 0)
        p_bottom.addWidget(self.pb_deselect)

        p_bottom.addStretch(1)
        self.pb_ok = QPushButton(_("OK"))
        self.pb_ok.setAutoDefault(True)
        self.pb_ok.clicked.connect(self.accept)
        p_bottom.addWidget(self.pb_ok)

        pb_cancel = QPushButton(_("Cancel"))
        pb_cancel.clicked.connect(self.reject)
        p_bottom.addWidget(pb_cancel)

        vert.addLayout(p_top)
        vert.addLayout(p_bottom)

        self.setLayout(vert)
        self.resize(self.config.explorer_width(), self.config.explorer_height())
        width = self.view.width() - 50
        self.view.setColumnWidth(0, width / 2)
        self.view.setColumnWidth(1, width / 6)
        self.view.setColumnWidth(2, width / 6)
        self.view.setColumnWidth(3, width / 6)

    def __persist__(self):
        # persist properties of the explorer
        self.config.set_explorer_width(self.width())
        self.config.set_explorer_height(self.height())
        self.config.persist()

    def __compute_filenames__(self, item_selection):
        # item_selection: a QItemSelection
        # return corresponding absolute filenames as a set, including filenames in underlying folders
        s = set()
        for index in item_selection.indexes():
            # we have an index for each column in the model
            if index.column() == 0:
                path = index.model().filePath(index)
                if os.path.isdir(path):
                    for root, directories, filenames in os.walk(path):
                        for filename in filenames:
                            if self.filename_filter.accept(filename):
#.........这里部分代码省略.........