(C++) QTableViewExample1

 

 

QTableView example 1: table with three columns, one with an X is a QTableView example.

 

• View a screenshot of 'QTableViewExample1' (png)
• Download the Qt Creator project 'QTableViewExample1' (zip)

Technical facts

 

Operating system(s) or programming environment(s)

• Lubuntu 15.04 (vivid)

IDE(s):

• Qt Creator 3.1.1

Project type:

• Console application

C++ standard:

• C++98

Compiler(s):

• G++ 4.9.2

Libraries used:

• STL: GNU ISO C++ Library, version 4.9.2

 

 

 

 

 

Qt project file: ./CppQTableViewExample1/CppQTableViewExample1.pro

 

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include(../../DesktopApplication.pri) include(../../Libraries/Boost.pri) SOURCES += \     qtdialog.cpp \     qtmain.cpp HEADERS  += qtdialog.h FORMS    += qtdialog.ui

 

 

 

 

 

./CppQTableViewExample1/qtdialog.h

 

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#ifndef QTDIALOG_H #define QTDIALOG_H #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #pragma GCC diagnostic ignored "-Wunused-but-set-parameter" #include <QDialog> #pragma GCC diagnostic pop namespace Ui {   class QtDialog; } struct QStandardItemModel; class QtDialog : public QDialog {   Q_OBJECT    public:   explicit QtDialog(QWidget *parent = 0);   QtDialog(const QtDialog&) = delete;   QtDialog& operator=(const QtDialog&) = delete;   ~QtDialog();    private slots:   void on_button_clicked(); private:   Ui::QtDialog *ui; }; #endif // QTDIALOG_H

 

 

 

 

 

./CppQTableViewExample1/qtdialog.cpp

 

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#pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #pragma GCC diagnostic ignored "-Wunused-but-set-parameter" #include "qtdialog.h" #include <cassert> #include <QStandardItemModel> #include "ui_qtdialog.h" #pragma GCC diagnostic pop QtDialog::QtDialog(QWidget *parent) :   QDialog(parent),   ui(new Ui::QtDialog) {   ui->setupUi(this);   assert(!ui->table->model());   ui->table->setModel(new QStandardItemModel(this));   assert( ui->table->model());   assert(dynamic_cast<QStandardItemModel*>(ui->table->model()));   dynamic_cast<QStandardItemModel*>(ui->table->model())->setColumnCount(3);   for (int i=0; i!=10; ++i) on_button_clicked(); } QtDialog::~QtDialog() {   delete ui; } void QtDialog::on_button_clicked() {   const int n_cols = ui->table->model()->columnCount();   QList<QStandardItem*> items;   for (int i=0; i!=n_cols; ++i)   {     QStandardItem * const item = new QStandardItem;     item->setText("");     items.push_back(item);   }   const int j = (std::rand() >> 4) % n_cols;   items[j]->setText("X");   assert(dynamic_cast<QStandardItemModel*>(ui->table->model()));   dynamic_cast<QStandardItemModel*>(ui->table->model())->appendRow(items);   ui->table->scrollToBottom();   ui->table->setCurrentIndex(items[j]->index());   ui->table->edit(items[j]->index()); }

 

 

 

 

 

./CppQTableViewExample1/qtmain.cpp

 

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#pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #pragma GCC diagnostic ignored "-Wunused-but-set-parameter" #include <QApplication> #include "qtdialog.h" #pragma GCC diagnostic pop int main(int argc, char *argv[]) {   QApplication a(argc, argv);   QtDialog w;   w.show();   return a.exec(); }