(C++) WtAboutDialog

 

 

WtAboutDialog is a class for a Wt dialog displaying the About class.

 

WtAboutDialog is used in nearly all my web applications.

Technical facts

 

 

 

 

 

 

./CppWtAboutDialog/CppWtAboutDialog.pri

 

---

INCLUDEPATH += \     ../../Classes/CppWtAboutDialog SOURCES += \     ../../Classes/CppWtAboutDialog/wtaboutdialog.cpp HEADERS  += \     ../../Classes/CppWtAboutDialog/wtaboutdialog.h OTHER_FILES += \     ../../Classes/CppWtAboutDialog/Licence.txt

 

 

 

 

 

./CppWtAboutDialog/wtaboutdialog.h

 

---

//--------------------------------------------------------------------------- /* WtAboutDialog, Wt dialog for displaying the About class Copyright 2010-2015 Richel Bilderbeek This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ //--------------------------------------------------------------------------- //From http://www.richelbilderbeek.nl/CppWtAboutDialog.htm //--------------------------------------------------------------------------- #ifndef WTABOUTDIALOG_H #define WTABOUTDIALOG_H #include <string> #include <vector> #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-but-set-parameter" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #include <boost/signals2.hpp> #include <Wt/WContainerWidget> #include <Wt/WPushButton> #include "about.h" #pragma GCC diagnostic pop namespace ribi { struct WtAboutDialog : public Wt::WContainerWidget {   explicit WtAboutDialog(const About& about, const bool display_close_button = true);   WtAboutDialog(const WtAboutDialog&) = delete;   WtAboutDialog& operator=(const WtAboutDialog&) = delete;   boost::signals2::signal<void ()> m_signal_close;   ///Get the version of this class   static std::string GetVersion();   ///Get the version history of this class   static std::vector<std::string> GetVersionHistory();   ///GetWtVersion returns the version of the currently installed Wt library   ///From http://www.richelbilderbeek.nl/CppGetWtVersion.htm   static std::string GetWtVersion();   private:   Wt::WPushButton * const m_button_close;   void OnClose(); }; } //~namespace ribi #endif // WTABOUTDIALOG_H

 

 

 

 

 

./CppWtAboutDialog/wtaboutdialog.cpp

 

---

//--------------------------------------------------------------------------- /* WtAboutDialog, Wt dialog for displaying the About class Copyright 2010-2015 Richel Bilderbeek This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ //--------------------------------------------------------------------------- //From http://www.richelbilderbeek.nl/CppWtAboutDialog.htm //--------------------------------------------------------------------------- #include "wtaboutdialog.h" #include <string> #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-but-set-parameter" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #include <Wt/WBreak> #ifndef _WIN32 #include <Wt/WConfig.h> #endif #include <Wt/WLabel> #include <Wt/WTextArea> #pragma GCC diagnostic pop ribi::WtAboutDialog::WtAboutDialog(   const About& about_original,   const bool display_close_button)   : m_signal_close{},     m_button_close(new Wt::WPushButton) {   About about = about_original;   about.AddLibrary("Wt version: " + GetWtVersion());   about.AddLibrary("WtAboutDialog version: " + GetVersion());   this->setContentAlignment(Wt::AlignCenter);   const int min_width = 800;   //Display the general about text   {     const std::vector<std::string> v = about.CreateAboutText();     for(const auto s: v)     {       new Wt::WLabel(s.c_str(),this);       this->addWidget(new Wt::WBreak);     }   }   this->addWidget(new Wt::WBreak);   //Display the libraries used text   {     Wt::WTextArea * text = new Wt::WTextArea;     {       const std::vector<std::string> v = about.CreateLibrariesUsedText();       std::string s;       for(const auto t: v) {  s+=t; s+="\n"; }       text->setText(s);     }     text->setMinimumSize(min_width,100);     text->setReadOnly(true);     this->addWidget(text);   }   this->addWidget(new Wt::WBreak);   //Display the version history   {     Wt::WTextArea * text = new Wt::WTextArea;     {       const std::vector<std::string> v = about.CreateVersionHistory();       std::string s;       for(const auto t: v) {  s+=t; s+="\n"; }       text->setText(s);     }     text->setMinimumSize(min_width,100);     text->setReadOnly(true);     this->addWidget(text);   }   this->addWidget(new Wt::WBreak);   //Display the licence text   {     Wt::WTextArea * text = new Wt::WTextArea;     {       const std::vector<std::string> v = about.CreateLicenceText();       std::string s;       for(const auto t: v) {  s+=t; s+="\n"; }       text->setText(s);     }     text->setMinimumSize(min_width,100);     text->setReadOnly(true);     this->addWidget(text);   }   addWidget(new Wt::WBreak);   {     const std::string s       = std::string("Source code built at ")       + std::string(__DATE__)       + std::string(" ")       + std::string(__TIME__);     new Wt::WLabel(s.c_str(),this);      this->addWidget(new Wt::WBreak);   }   if (display_close_button)   {     this->addWidget(new Wt::WBreak);     this->addWidget(m_button_close);     m_button_close->setText("Close");     m_button_close->clicked().connect(       this,&ribi::WtAboutDialog::OnClose);   } } std::string ribi::WtAboutDialog::GetVersion() {   return "1.5"; } std::vector<std::string> ribi::WtAboutDialog::GetVersionHistory() {   return {     "2011-01-07: version 1.0: initial version",     "2011-04-10: version 1.1: displays version numbers of Wt and WtAboutDialog",     "2011-04-15: version 1.2: made displayal of Close button optional",     "2011-05-24: version 1.3: made all text areas read-only",     "2011-05-30: version 1.4: should build date and time",     "2011-06-26: version 1.5: added newline for displaying build date and time"   }; } std::string ribi::WtAboutDialog::GetWtVersion() {   return WT_VERSION_STR; } void ribi::WtAboutDialog::OnClose() {   //emit that this dialog closes   m_signal_close(); }