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(C++) QTableWidgetExample1

 

QtQt CreatorLubuntu

 

QTableWidget example 1: display text is a QTableWidget example.

 

Technical facts

 

Application type(s)

Operating system(s) or programming environment(s)

IDE(s):

Project type:

C++ standard:

Compiler(s):

Libraries used:

 

 

 

 

 

Qt project file: ./CppQTableWidgetExample1/CppQTableWidgetExample1.pro

 

exists (../../DesktopApplication.pri) {
  include(../../DesktopApplication.pri)
}
!exists (../../DesktopApplication.pri) {
  QT += core
  QT += gui
  greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
  CONFIG   += console
  CONFIG   -= app_bundle
  TEMPLATE = app
  CONFIG(release, debug|release) {
    DEFINES += NDEBUG NTRACE_BILDERBIKKEL
  }
  QMAKE_CXXFLAGS += -std=c++11 -Wall -Wextra -Weffc++
  unix {
    QMAKE_CXXFLAGS += -Werror
  }
}

exists(../../Libraries/Boost.pri) {
  include(../../Libraries/Boost.pri)
}
!exists(../../Libraries/Boost.pri) {
  win32 {
    INCLUDEPATH += \
      ../../Libraries/boost_1_55_0
  }
}

SOURCES +=\
    qtmain.cpp \
    qtdialog.cpp

HEADERS  += \
    qtdialog.h

FORMS    += \
    qtdialog.ui

RESOURCES += \
    CppQTableWidgetExample1.qrc

 

 

 

 

 

./CppQTableWidgetExample1/qtdialog.h

 

#ifndef QTDIALOG_H
#define QTDIALOG_H

#include <QDialog>

namespace Ui {
  class QtDialog;
}

class QtDialog : public QDialog
{
  Q_OBJECT

public:
  explicit QtDialog(QWidget *parent = 0);
  ~QtDialog();

protected:
  void changeEvent(QEvent *e);

private:
  Ui::QtDialog *ui;
};

#endif // QTDIALOG_H

 

 

 

 

 

./CppQTableWidgetExample1/qtdialog.cpp

 

#include "qtdialog.h"

#include <string>

#include <boost/lexical_cast.hpp>

#include "ui_qtdialog.h"

QtDialog::QtDialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::QtDialog)
{
  ui->setupUi(this);

  QTableWidget * const t = ui->tableWidget;
  const int n_rows = t->rowCount();
  const int n_cols = t->columnCount();
  for (int x=0; x!=n_cols; ++x)
  {
    for (int y=0; y!=n_rows; ++y)
    {
      const std::string s = "("
        + boost::lexical_cast<std::string>(x)
        + ","
        + boost::lexical_cast<std::string>(y)
        + ")";
      QTableWidgetItem * const i = new QTableWidgetItem(QString(s.c_str()));
      t->setItem(y, x, i);
    }
  }
}

QtDialog::~QtDialog()
{
  delete ui;
}

void QtDialog::changeEvent(QEvent *e)
{
  QDialog::changeEvent(e);
  switch (e->type()) {
  case QEvent::LanguageChange:
    ui->retranslateUi(this);
    break;
  default:
    break;
  }
}

 

 

 

 

 

./CppQTableWidgetExample1/qtmain.cpp

 

#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();
}

 

 

 

 

 

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