tabview signal

__040711563a17902392e7

海前 王

Posted on September 2, 2024

tabview signal
#include <QApplication>
#include <QMainWindow>
#include <QTableView>
#include <QStandardItemModel>
#include <QDebug>
#include <QHeaderView>
#include <QPushButton>
#include <QVBoxLayout>
#include <QAction>
#include <QMenuBar>
#include <QToolBar>

class MyTableView : public QTableView {
    Q_OBJECT

public:
    MyTableView(QWidget *parent = nullptr) : QTableView(parent) {
        // 创建模型并设置数据
        model = new QStandardItemModel(5, 3, this); // 5 行 3 列
        for (int row = 0; row < 5; ++row) {
            for (int col = 0; col < 3; ++col) {
                QStandardItem *item = new QStandardItem(QString("(%1, %2)").arg(row).arg(col));
                model->setItem(row, col, item);
            }
        }
        setModel(model);

        // 连接信号和槽
        connect(horizontalHeader(), &QHeaderView::sectionResized, this, &MyTableView::onColumnResized);
        connect(verticalHeader(), &QHeaderView::sectionResized, this, &MyTableView::onRowResized);
        connect(horizontalHeader(), &QHeaderView::sectionMoved, this, &MyTableView::onColumnMoved);
        connect(verticalHeader(), &QHeaderView::sectionMoved, this, &MyTableView::onRowMoved);
    }

public Q_SLOTS:
    void resizeRow(int row, int height) {
        verticalHeader()->resizeSection(row, height);
        qDebug() << "Row" << row << "resized to height" << height;
    }

    void resizeColumn(int column, int width) {
        horizontalHeader()->resizeSection(column, width);
        qDebug() << "Column" << column << "resized to width" << width;
    }

    void removeRow(int row) {
        model->removeRow(row);
        qDebug() << "Row" << row << "removed.";
    }

    void removeColumn(int column) {
        model->removeColumn(column);
        qDebug() << "Column" << column << "removed.";
    }

protected Q_SLOTS:
    void onRowResized(int row, int oldHeight, int newHeight) {
        qDebug() << "Row resized:" << row << "from height" << oldHeight << "to" << newHeight;
    }

    void onColumnResized(int column, int oldWidth, int newWidth) {
        qDebug() << "Column resized:" << column << "from width" << oldWidth << "to" << newWidth;
    }

    void onRowMoved(int row, int oldIndex, int newIndex) {
        qDebug() << "Row moved from index" << oldIndex << "to" << newIndex;
    }

    void onColumnMoved(int column, int oldIndex, int newIndex) {
        qDebug() << "Column moved from index" << oldIndex << "to" << newIndex;
    }

private:
    QStandardItemModel *model;
};

class MainWindow : public QMainWindow {
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr) : QMainWindow(parent) {
        tableView = new MyTableView(this);
        setCentralWidget(tableView);

        // 创建工具栏和动作
        QToolBar *toolBar = addToolBar("Main Toolbar");

        QAction *resizeRowAction = new QAction("Resize Row 2", this);
        QAction *resizeColumnAction = new QAction("Resize Column 1", this);
        QAction *removeRowAction = new QAction("Remove Row 3", this);
        QAction *removeColumnAction = new QAction("Remove Column 2", this);

        connect(resizeRowAction, &QAction::triggered, this, &MainWindow::resizeRow);
        connect(resizeColumnAction, &QAction::triggered, this, &MainWindow::resizeColumn);
        connect(removeRowAction, &QAction::triggered, this, &MainWindow::removeRow);
        connect(removeColumnAction, &QAction::triggered, this, &MainWindow::removeColumn);

        toolBar->addAction(resizeRowAction);
        toolBar->addAction(resizeColumnAction);
        toolBar->addAction(removeRowAction);
        toolBar->addAction(removeColumnAction);

        // 创建菜单栏
        QMenu *editMenu = menuBar()->addMenu("Edit");
        editMenu->addAction(resizeRowAction);
        editMenu->addAction(resizeColumnAction);
        editMenu->addAction(removeRowAction);
        editMenu->addAction(removeColumnAction);
    }

private Q_SLOTS:
    void resizeRow() {
        tableView->resizeRow(2, 60); // Resize row 2 to 60
    }

    void resizeColumn() {
        tableView->resizeColumn(1, 100); // Resize column 1 to 100
    }

    void removeRow() {
        tableView->removeRow(3); // Remove row 3
    }

    void removeColumn() {
        tableView->removeColumn(2); // Remove column 2
    }

private:
    MyTableView *tableView;
};

int main(int argc, char *argv[]) {
    QApplication app(argc, argv);

    MainWindow window;
    window.resize(800, 600);
    window.show();

    return app.exec();
}

#include "main.moc"
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__040711563a17902392e7
海前 王

Posted on September 2, 2024

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