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Python QTableView.setVerticalScrollMode方法代码示例

本文整理汇总了Python中PyQt5.QtWidgets.QTableView.setVerticalScrollMode方法的典型用法代码示例。如果您正苦于以下问题:Python QTableView.setVerticalScrollMode方法的具体用法?Python QTableView.setVerticalScrollMode怎么用?Python QTableView.setVerticalScrollMode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.QtWidgets.QTableView的用法示例。


在下文中一共展示了QTableView.setVerticalScrollMode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: RelationDialog

# 需要导入模块: from PyQt5.QtWidgets import QTableView [as 别名]
# 或者: from PyQt5.QtWidgets.QTableView import setVerticalScrollMode [as 别名]
class RelationDialog(QDialog):
    """ Base class for creator and edit relation """

    def __init__(self, parent=None):
        QDialog.__init__(self, parent)
        self.setWindowTitle(self.tr("Relation Editor"))
        # Data
        self.data = None
        self.resize(700, 500)
        box = QVBoxLayout(self)
        # Relation name
        self.relation_name = QLineEdit()
        self.relation_name.setVisible(False)
        box.addWidget(self.relation_name)
        # Buttons
        box_btns = QHBoxLayout()
        add_tuple_btn = QPushButton(self.tr("Add Tuple"))
        box_btns.addWidget(add_tuple_btn)
        delete_tuple_btn = QPushButton(self.tr("Delete Tuple"))
        box_btns.addWidget(delete_tuple_btn)
        add_column_btn = QPushButton(self.tr("Add Column"))
        box_btns.addWidget(add_column_btn)
        delete_column_btn = QPushButton(self.tr("Delete Column"))
        box_btns.addWidget(delete_column_btn)
        box.addLayout(box_btns)
        # Table
        self.table = QTableView()
        self.table.setSelectionBehavior(QAbstractItemView.SelectRows)
        self.table.setVerticalScrollMode(QAbstractItemView.ScrollPerPixel)
        self.table.setHorizontalScrollMode(QAbstractItemView.ScrollPerPixel)
        # Editable header
        header = custom_table.Header()
        self.table.setHorizontalHeader(header)
        box.addWidget(self.table)
        # Save and cancel button
        hbox = QHBoxLayout()
        hbox.addItem(QSpacerItem(0, 0, QSizePolicy.Expanding))
        save_btn = QPushButton(self.tr("Ok"))
        hbox.addWidget(save_btn)
        cancel_btn = QPushButton(self.tr("Cancel"))
        hbox.addWidget(cancel_btn)
        box.addLayout(hbox)

        # Connections
        save_btn.clicked.connect(self.save)
        cancel_btn.clicked.connect(self.close)
        add_tuple_btn.clicked.connect(self.__add_tuple)
        delete_tuple_btn.clicked.connect(self.__delete_tuple)
        add_column_btn.clicked.connect(self.__add_column)
        delete_column_btn.clicked.connect(self.__delete_column)

    def setup_table(self, rela):
        raise NotImplementedError

    def save(self):
        raise NotImplementedError

    def __add_tuple(self):
        model = self.table.model()
        model.insertRow(model.rowCount())

    def __delete_tuple(self):
        model = self.table.model()
        selection = self.table.selectionModel()
        if selection.hasSelection():
            r = QMessageBox.question(
                self,
                self.tr("Confirm tuple delete"),
                self.tr("Are you sure you want " "to delete the selected " "tuple(s)?"),
                QMessageBox.Yes | QMessageBox.No,
            )
            if r == QMessageBox.Yes:
                selection = selection.selection()
                rows = set([index.row() for index in selection.indexes()])
                rows = sorted(list(rows))
                previous = -1
                i = len(rows) - 1
                while i >= 0:
                    current = rows[i]
                    if current != previous:
                        model.removeRows(current, 1)
                    i -= 1

    def __add_column(self):
        model = self.table.model()
        model.insertColumn(model.columnCount())

    def __delete_column(self):
        model = self.table.model()
        if model.columnCount() >= 2:
            model.takeColumn(model.columnCount() - 1)
开发者ID:centaurialpha,项目名称:pireal,代码行数:93,代码来源:relation_dialog.py

示例2: FreezeTableWidget

# 需要导入模块: from PyQt5.QtWidgets import QTableView [as 别名]
# 或者: from PyQt5.QtWidgets.QTableView import setVerticalScrollMode [as 别名]
class FreezeTableWidget(QTableView):
    def __init__(self, model):
        super(FreezeTableWidget, self).__init__()
        self.setModel(model)
        self.frozenTableView = QTableView(self)
        self.init()
        self.horizontalHeader().sectionResized.connect(self.updateSectionWidth)
        self.verticalHeader().sectionResized.connect(self.updateSectionHeight)
        self.frozenTableView.verticalScrollBar().valueChanged.connect(
            self.verticalScrollBar().setValue)
        self.verticalScrollBar().valueChanged.connect(
            self.frozenTableView.verticalScrollBar().setValue)

    def init(self):
        self.frozenTableView.setModel(self.model())
        self.frozenTableView.setFocusPolicy(Qt.NoFocus)
        self.frozenTableView.verticalHeader().hide()
        self.frozenTableView.horizontalHeader().setSectionResizeMode(
                QHeaderView.Fixed)
        self.viewport().stackUnder(self.frozenTableView)

        self.frozenTableView.setStyleSheet('''
            QTableView { border: none;
                         background-color: #8EDE21;
                         selection-background-color: #999;
            }''') # for demo purposes

        self.frozenTableView.setSelectionModel(self.selectionModel())
        for col in range(1, self.model().columnCount()):
            self.frozenTableView.setColumnHidden(col, True)
        self.frozenTableView.setColumnWidth(0, self.columnWidth(0))
        self.frozenTableView.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.frozenTableView.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.frozenTableView.show()
        self.updateFrozenTableGeometry()
        self.setHorizontalScrollMode(self.ScrollPerPixel)
        self.setVerticalScrollMode(self.ScrollPerPixel)
        self.frozenTableView.setVerticalScrollMode(self.ScrollPerPixel)

    def updateSectionWidth(self, logicalIndex, oldSize, newSize):
        if self.logicalIndex == 0:
            self.frozenTableView.setColumnWidth(0, newSize)
            self.updateFrozenTableGeometry()

    def updateSectionHeight(self, logicalIndex, oldSize, newSize):
        self.frozenTableView.setRowHeight(logicalIndex, newSize)

    def resizeEvent(self, event):
        super(FreezeTableWidget, self).resizeEvent(event)
        self.updateFrozenTableGeometry()

    def moveCursor(self, cursorAction, modifiers):
        current = super(FreezeTableWidget, self).moveCursor(cursorAction, modifiers)
        if (cursorAction == self.MoveLeft and
                self.current.column() > 0 and
                self.visualRect(current).topLeft().x() <
                    self.frozenTableView.columnWidth(0)):
            newValue = (self.horizontalScrollBar().value() +
                        self.visualRect(current).topLeft().x() -
                        self.frozenTableView.columnWidth(0))
            self.horizontalScrollBar().setValue(newValue)
        return current

    def scrollTo(self, index, hint):
        if index.column() > 0:
            super(FreezeTableWidget, self).scrollTo(index, hint)

    def updateFrozenTableGeometry(self):
        self.frozenTableView.setGeometry(
                self.verticalHeader().width() + self.frameWidth(),
                self.frameWidth(), self.columnWidth(0),
                self.viewport().height() + self.horizontalHeader().height())
开发者ID:Axel-Erfurt,项目名称:pyqt5,代码行数:74,代码来源:frozencolumn.py


注:本文中的PyQt5.QtWidgets.QTableView.setVerticalScrollMode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。