qt 6.5.1 original

examples/widgets/tutorials/modelview/5_edit/5_edit.pro

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+TARGET = mv_edit
+
+TEMPLATE = app
+
+QT += widgets
+requires(qtConfig(tableview))
+
+SOURCES += main.cpp \
+           mainwindow.cpp \
+           mymodel.cpp
+
+HEADERS += mainwindow.h \
+           mymodel.h
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/tutorials/modelview/5_edit
+INSTALLS += target

examples/widgets/tutorials/modelview/5_edit/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(mv_edit LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/tutorials/modelview/5_edit")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(mv_edit
+    main.cpp
+    mainwindow.cpp mainwindow.h
+    mymodel.cpp mymodel.h
+)
+
+set_target_properties(mv_edit PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(mv_edit PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+install(TARGETS mv_edit
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

examples/widgets/tutorials/modelview/5_edit/main.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QApplication>
+#include "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    MainWindow w;
+    w.show();
+    return a.exec();
+}

examples/widgets/tutorials/modelview/5_edit/mainwindow.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "mainwindow.h"
+#include "mymodel.h"
+
+#include <QTableView>
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+    , tableView(new QTableView(this))
+{
+    setCentralWidget(tableView);
+    auto *myModel = new MyModel(this);
+    tableView->setModel(myModel);
+
+    // transfer changes to the model to the window title
+    connect(myModel, &MyModel::editCompleted,
+            this, &QWidget::setWindowTitle);
+}

examples/widgets/tutorials/modelview/5_edit/mainwindow.h

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+
+QT_BEGIN_NAMESPACE
+class QTableView; // forward declaration
+QT_END_NAMESPACE
+
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+public:
+    explicit MainWindow(QWidget *parent = nullptr);
+
+private:
+    QTableView *tableView;
+};
+
+#endif // MAINWINDOW_H

examples/widgets/tutorials/modelview/5_edit/mymodel.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "mymodel.h"
+
+MyModel::MyModel(QObject *parent)
+    : QAbstractTableModel(parent)
+{
+}
+
+//-----------------------------------------------------------------
+int MyModel::rowCount(const QModelIndex & /*parent*/) const
+{
+    return ROWS;
+}
+
+//-----------------------------------------------------------------
+int MyModel::columnCount(const QModelIndex & /*parent*/) const
+{
+    return COLS;
+}
+
+//-----------------------------------------------------------------
+QVariant MyModel::data(const QModelIndex &index, int role) const
+{
+    if (role == Qt::DisplayRole && checkIndex(index))
+            return m_gridData[index.row()][index.column()];
+
+    return QVariant();
+}
+
+//-----------------------------------------------------------------
+//! [quoting mymodel_e]
+bool MyModel::setData(const QModelIndex &index, const QVariant &value, int role)
+{
+    if (role == Qt::EditRole) {
+        if (!checkIndex(index))
+            return false;
+        //save value from editor to member m_gridData
+        m_gridData[index.row()][index.column()] = value.toString();
+        //for presentation purposes only: build and emit a joined string
+        QString result;
+        for (int row = 0; row < ROWS; row++) {
+            for (int col= 0; col < COLS; col++)
+                result += m_gridData[row][col] + ' ';
+        }
+        emit editCompleted(result);
+        return true;
+    }
+    return false;
+}
+//! [quoting mymodel_e]
+
+//-----------------------------------------------------------------
+//! [quoting mymodel_f]
+Qt::ItemFlags MyModel::flags(const QModelIndex &index) const
+{
+    return Qt::ItemIsEditable | QAbstractTableModel::flags(index);
+}
+//! [quoting mymodel_f]

examples/widgets/tutorials/modelview/5_edit/mymodel.h

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef MYMODEL_H
+#define MYMODEL_H
+
+//! [Quoting ModelView Tutorial]
+// mymodel.h
+#include <QAbstractTableModel>
+#include <QString>
+
+const int COLS= 3;
+const int ROWS= 2;
+
+
+class MyModel : public QAbstractTableModel
+{
+    Q_OBJECT
+public:
+    MyModel(QObject *parent = nullptr);
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
+private:
+    QString m_gridData[ROWS][COLS];  //holds text entered into QTableView
+signals:
+    void editCompleted(const QString &);
+};
+//! [Quoting ModelView Tutorial]
+
+#endif // MYMODEL_H