Technical facts

Application type(s)

Desktop application

Operating system(s) or programming environment(s)

Lubuntu 15.04 (vivid)

IDE(s):

Qt Creator 3.1.1

Project type:

GUI application

C++ standard:

C++11

Compiler(s):

G++ 4.9.2

Libraries used:

Qt: version 5.4.1 (32 bit)
STL: GNU ISO C++ Library, version 4.9.2

Qt project file: ./CppLibcvautomationExample5/CppLibcvautomationExample5.pro


QT       += core gui



greaterThan(QT_MAJOR_VERSION, 4): QT += widgets



TEMPLATE = app



SOURCES += \

    main.cpp \

    qtdialog.cpp



HEADERS  += \

  qtdialog.h





FORMS    += qtdialog.ui



QMAKE_CXXFLAGS += -std=c++11 -Wall -Wextra -Werror



#

#

# libcvautomation

#

# add path to #include paths, link statically to code

#

#

INCLUDEPATH += ../../Libraries/libcvautomation/include

SOURCES += \

    ../../Libraries/libcvautomation/libcvautomation/libcvautomation-xtest.c \

    ../../Libraries/libcvautomation/libcvautomation/libcvautomation-xlib.c \

    ../../Libraries/libcvautomation/libcvautomation/libcvautomation-opencv.c



# Link to X11 library

# undefined reference to `XOpenDisplay'

LIBS += -lX11



# Link to Xtst library

# undefined reference to `XTestQueryExtension'

LIBS += -lXtst



# Link to OpenCV library

# undefined reference to `cvFree_'

unix {

   CONFIG += link_pkgconfig

   PKGCONFIG += opencv

}

./CppLibcvautomationExample5/main.cpp


#include "qtdialog.h"

#include <QApplication>



int main(int argc, char *argv[])

{

  QApplication a(argc, argv);

  QtDialog w;

  w.show();

  

  return a.exec();

}

./CppLibcvautomationExample5/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();

  

private slots:

  void on_button_clicked();



private:

  Ui::QtDialog *ui;



  //From http://www.richelbilderbeek.nl/CppSeperateString.htm

  static const std::vector<std::string> SeperateString(

    const std::string& input,

    const char seperator);

};



#endif // QTDIALOG_H

./CppLibcvautomationExample5/qtdialog.cpp


#include "qtdialog.h"



#include <string>

#include <vector>

#include <boost/algorithm/string/split.hpp>

#include <boost/lexical_cast.hpp>



#include "ui_qtdialog.h"



//#include <X11/keysymdef.h> //To find keymap



extern "C"

{

  #include "libcvautomation/libcvautomation.h"

}



QtDialog::QtDialog(QWidget *parent) :

  QDialog(parent),

  ui(new Ui::QtDialog)

{

  ui->setupUi(this);

}



QtDialog::~QtDialog()

{

  delete ui;

}



void QtDialog::on_button_clicked()

{

  #ifdef OLD_SKOOL_APPROACH_THAT_WORKS

  const std::string display_location = "";

  Display * const display = XOpenDisplay( display_location.c_str() );

  assert(display);

  const std::string command_str = "mousexy 100 100";

  char * const command = new char[ command_str.size() + 1 ];

  strcpy(command,&command_str[0]);

  xte_commandString(display,command,1,0,std::numeric_limits<int>().max(),1);

  XCloseDisplay( display );

  delete[] command;

  #endif



  ui->output->clear();

  const std::string text = ui->input->toPlainText().toStdString();

  const std::vector<std::string> lines = SeperateString(text,'\n');

  for (const std::string& line: lines)

  {

    //Open a display (whatever that may be)

    const std::string display_location = "";

    Display * const display = XOpenDisplay( display_location.c_str() );

    assert(display);



    //Convert the line (with the command) to a C style string

    char * const command = new char[ line.size() + 1 ];

    strcpy(command,&line[0]);



    //Run the command

    const cvaPoint p = xte_commandString(display,command,1,0,std::numeric_limits<int>().max(),1);



    //Close the display (whatever that may be)

    XCloseDisplay( display );



    //Don't forget to delete a C-style string :-(

    delete[] command;



    //Give some feedback

    std::stringstream s;

    s << "Execute command: '" << line << "': ";

    if (p.x == -2 && p.y == -2)

    {

      s << "OK";

    }

    else

    {

      s << "(" << p.x << "," << p.y << ")";

    }

    ui->output->appendPlainText(s.str().c_str());

  }

  //Show the display again, when a mouseclick has caused it to hide

  this->hide();

  this->show();

}



const std::vector<std::string> QtDialog::SeperateString(

  const std::string& input,

  const char seperator)

{

  std::vector<std::string> v;

  boost::algorithm::split(v,input,

    std::bind2nd(std::equal_to<char>(),seperator),

    boost::algorithm::token_compress_on);

  return v;

}

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(C++) LibcvautomationExample5

Technical facts

Qt project file: ./CppLibcvautomationExample5/CppLibcvautomationExample5.pro

./CppLibcvautomationExample5/main.cpp

./CppLibcvautomationExample5/qtdialog.h

./CppLibcvautomationExample5/qtdialog.cpp