新增-#5 添加删除行/列功能

mainwindow.cpp

@@ -52,14 +52,18 @@ MainWindow::MainWindow(QWidget *parent)
     firstColMenu = new QMenu(this);
     QAction* addRowAboveAction = firstColMenu->addAction(tr("↑ 向上添加一行"));
     QAction* addRowBelowAction = firstColMenu->addAction(tr("向下添加一行 ↓"));
+    QAction* delRowAction = firstColMenu->addAction(tr("删除"));
     connect(addRowAboveAction, &QAction::triggered, this, &MainWindow::onAddRowAboveActionTriggered);
     connect(addRowBelowAction, &QAction::triggered, this, &MainWindow::onAddRowBelowActionTriggered);
+    connect(delRowAction, &QAction::triggered, this, &MainWindow::onDelRowActionTriggered);
 
     firstRowMenu = new QMenu(this);
     QAction* addColAboveAction = firstRowMenu->addAction(tr("← 向左添加一列"));
     QAction* addColBelowAction = firstRowMenu->addAction(tr("向右添加一列 →"));
+    QAction* delColAction = firstRowMenu->addAction(tr("删除"));
     connect(addColAboveAction, &QAction::triggered, this, &MainWindow::onAddColAboveActionTriggered);
     connect(addColBelowAction, &QAction::triggered, this, &MainWindow::onAddColBelowActionTriggered);
+    connect(delColAction, &QAction::triggered, this, &MainWindow::onDelColActionTriggered);
 }
 
 
@@ -156,6 +160,20 @@ void MainWindow::onAddColBelowActionTriggered()
     }
 }
 
+void MainWindow::onDelRowActionTriggered()
+{
+    QTableWidget* tableWidget = ui->tableWidget;
+    int currentRow = tableWidget->currentRow();
+    tableWidget->removeRow(currentRow);
+}
+
+void MainWindow::onDelColActionTriggered()
+{
+    QTableWidget* tableWidget = ui->tableWidget;
+    int currentColumn = tableWidget->currentColumn();
+    tableWidget->removeColumn(currentColumn);
+}
+
 void MainWindow::showProgressDialog(const QString& labelText, int minimum, int maximum)
 {
     progressDialog = new QProgressDialog(labelText, "Cancel", minimum, maximum, this);

mainwindow.h

@@ -35,6 +35,8 @@ private slots:
     void onAddRowBelowActionTriggered();
     void onAddColAboveActionTriggered();
     void onAddColBelowActionTriggered();
+    void onDelRowActionTriggered();
+    void onDelColActionTriggered();
 
 private:
     Ui::MainWindow *ui;