(C++) ToggleButton

 

 

ToggleButton is a class for a toggle button.

Technical facts

 

 

 

 

 

 

./CppToggleButton/CppToggleButton.pri

 

---

INCLUDEPATH += \     ../../Classes/CppToggleButton SOURCES += \     ../../Classes/CppToggleButton/togglebutton.cpp HEADERS  += \     ../../Classes/CppToggleButton/togglebutton.h OTHER_FILES += \     ../../Classes/CppToggleButton/Licence.txt

 

 

 

 

 

./CppToggleButton/togglebutton.h

 

---

//--------------------------------------------------------------------------- /* ToggleButton, toggle button class Copyright 2011-2015 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/CppToggleButton.htm //--------------------------------------------------------------------------- #ifndef TOGGLEBUTTON_H #define TOGGLEBUTTON_H #include <string> #include <vector> #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 <boost/checked_delete.hpp> #include <boost/signals2.hpp> #pragma GCC diagnostic pop namespace ribi { ///ToggleButton is a class for a toggle button struct ToggleButton {   explicit ToggleButton(     const bool pressed = false,     const unsigned char red = 255,     const unsigned char green = 255,     const unsigned char blue = 255) noexcept;   ///Get the blueness of the ToggleButton's surface   unsigned char GetBlue() const noexcept { return m_blue; }   ///Get the greenness of the ToggleButton's surface   unsigned char GetGreen() const noexcept { return m_green; }   ///Get the redness of the ToggleButton's surface   unsigned char GetRed() const noexcept { return m_red; }   ///Returns if the ToggleButton is pressed   bool IsPressed() const noexcept { return m_pressed; }   ///Press the ToggleButton   void Press() noexcept;   ///Release/'unpress' the ToggleButton   void Release() noexcept;   ///Set the ToggleButton its color   void SetColor(     const unsigned char red,     const unsigned char green,     const unsigned char blue) noexcept;   ///Toggle the ToggleButton   void Toggle() noexcept;   ///The signal that is emitted when ToggleButton changes color   mutable boost::signals2::signal<void ()> m_signal_color_changed;   ///The signal that is emitted when ToggleButton changes state   mutable boost::signals2::signal<void ()> m_signal_toggled;   private:   //ToggleButton can only be deleted by Boost smart pointers   virtual ~ToggleButton() noexcept {}   //ToggleButton can only be deleted by Boost smart pointers   friend void boost::checked_delete<>(ToggleButton*);   ///Is the toggle button pressed?   bool m_pressed;   ///The redness of the ToggleButton's surface   unsigned char m_red;   ///The greenness of the ToggleButton's surface   unsigned char m_green;   ///The blueness of the ToggleButton's surface   unsigned char m_blue;   friend std::ostream& operator<<(std::ostream& os, const ToggleButton& button) noexcept;   public:   static std::string GetVersion() noexcept;   static std::vector<std::string> GetVersionHistory() noexcept; }; std::ostream& operator<<(std::ostream& os, const ToggleButton& button) noexcept; } //~namespace ribi #endif // TOGGLEBUTTON_H

 

 

 

 

 

./CppToggleButton/togglebutton.cpp

 

---

//--------------------------------------------------------------------------- /* ToggleButton, toggle button class Copyright 2011-2015 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/CppToggleButton.htm //--------------------------------------------------------------------------- #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 "togglebutton.h" #include <cassert> //#include <cmath> //#include <boost/math/constants/constants.hpp> #include "trace.h" #pragma GCC diagnostic pop ribi::ToggleButton::ToggleButton(   const bool pressed,   const unsigned char red,   const unsigned char green,   const unsigned char blue) noexcept   : m_signal_color_changed{},     m_signal_toggled{},     m_pressed(pressed),     m_red(red),     m_green(green),     m_blue(blue) { } std::string ribi::ToggleButton::GetVersion() noexcept {   return "1.2"; } std::vector<std::string> ribi::ToggleButton::GetVersionHistory() noexcept {   return {     "2011-04-11: Version 1.0: initial version",     "2011-08-20: Version 1.1: added operator<<",     "2011-08-31: Version 1.2: added setting the color of a ToggleButton"   }; } void ribi::ToggleButton::Press() noexcept {   if (!m_pressed) { Toggle(); } } void ribi::ToggleButton::Release() noexcept {   if (m_pressed) { Toggle(); } } void ribi::ToggleButton::SetColor(   const unsigned char red,   const unsigned char green,   const unsigned char blue) noexcept {   if (red != m_red || green != m_green || blue != m_blue)   {     m_red = red;     m_green = green;     m_blue = blue;     m_signal_color_changed();   } } void ribi::ToggleButton::Toggle() noexcept {   m_pressed = !m_pressed;   m_signal_toggled(); } std::ostream& ribi::operator<<(std::ostream& os, const ToggleButton& button) noexcept {   os     << "<ToggleButton>"     << "<blue>"       << static_cast<int>(button.m_blue)     << "</blue>"     << "<green>"       << static_cast<int>(button.m_green)     << "</green>"     << "<pressed>"       << button.m_pressed     << "</pressed>"     << "<red>"       << static_cast<int>(button.m_red)     << "</red>"     << "</ToggleButton>";   return os; }