(C++) WtToggleButtonWidget
January 25, 2018 · View on GitHub
(C++) WtToggleButtonWidget
WtToggleButtonWidget is a Wt widget class to display an ToggleButtonWidget.
Technical facts
./CppWtToggleButtonWidget/CppWtToggleButtonWidget.pri
INCLUDEPATH += \ ../../Classes/CppWtToggleButtonWidget SOURCES += \ ../../Classes/CppWtToggleButtonWidget/wttogglebuttonwidget.cpp HEADERS += \ ../../Classes/CppWtToggleButtonWidget/wttogglebuttonwidget.h OTHER_FILES += \ ../../Classes/CppWtToggleButtonWidget/Licence.txt
./CppWtToggleButtonWidget/wttogglebuttonwidget.h
//--------------------------------------------------------------------------- /* WtToggleButtonWidget, Wt widget for displaying the ToggleButton 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/CppWtToggleButtonWidget.htm //--------------------------------------------------------------------------- #ifndef WTTOGGLEBUTTONWIDGET_H #define WTTOGGLEBUTTONWIDGET_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-variable" #include <boost/signals2.hpp> #include <Wt/WPaintDevice> #include <Wt/WPaintedWidget> #pragma GCC diagnostic pop namespace Wt { struct WMouseEventEvent; } namespace ribi { struct ToggleButton; struct ToggleButtonWidget; ///WtToggleButtonWidget displays a ToggleButton struct WtToggleButtonWidget : public Wt::WPaintedWidget { ///A WtToggleButtonWidget is created by its toggle state and its color explicit WtToggleButtonWidget( const bool toggled = false, const unsigned char red = 255, const unsigned char green = 255, const unsigned char blue = 255); ///Obtain a read-only pointer to the ToggleButtonWidget const ToggleButtonWidget * GetWidget() const { return m_widget.get(); } ///Obtain a read-and-write pointer to the ToggleButtonWidget ToggleButtonWidget * GetWidget() { return m_widget.get(); } ///Set the color of the WtToggleButtonWidget //void SetColor( // const unsigned char red, // const unsigned char green, // const unsigned char blue); ///Obtain the WtToggleButtonWidget its version static std::string GetVersion(); ///Obtain the WtToggleButtonWidget its version history static std::vector<std::string> GetVersionHistory(); ///Draw the ToggleButton static void DrawToggleButton( Wt::WPainter& painter, const int x, const int y, const int width, const int height, const ToggleButton * const button); ///Draw the ToggleButton static void DrawToggleButton( Wt::WPainter& painter, const ToggleButtonWidget * const widget); protected: ///Paint the WtToggleButtonWidget void paintEvent(Wt::WPaintDevice *paintDevice); private: ///The ToggleButtonWidget boost::scoped_ptr<ToggleButtonWidget> m_widget; ///The WtToggleButtonWidget its red color intensity //unsigned char m_red; ///The WtToggleButtonWidget its green color intensity //unsigned char m_green; ///The WtToggleButtonWidget its blue color intensity //unsigned char m_blue; ///Do not let this be called by the client void resize(const Wt::WLength& width, const Wt::WLength& height); ///Repaint the WtToggleButtonWidget void DoRepaint(); ///Respond to mouse click void OnClicked(const Wt::WMouseEvent& e); ///Respond to the widget resizing void OnResize(); }; } //~namespace ribi #endif // WTTOGGLEBUTTONWIDGET_H
./CppWtToggleButtonWidget/wttogglebuttonwidget.cpp
//--------------------------------------------------------------------------- /* WtToggleButtonWidget, Wt widget for displaying the ToggleButton 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/CppWtToggleButtonWidget.htm //--------------------------------------------------------------------------- #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #pragma GCC diagnostic ignored "-Wunused-but-set-variable" #include "wttogglebuttonwidget.h" #include <iostream> #include <boost/bind.hpp> #include <boost/numeric/conversion/cast.hpp> #include <Wt/WBrush> #include <Wt/WEvent> #include <Wt/WPainter> #include <Wt/WPen> #include "geometry.h" #include "togglebutton.h" #include "togglebuttonwidget.h" #pragma GCC diagnostic pop ribi::WtToggleButtonWidget::WtToggleButtonWidget( const bool toggled, const unsigned char red, const unsigned char green, const unsigned char blue) : m_widget(new ToggleButtonWidget(toggled,red,green,blue)) { assert(m_widget); m_widget->GetToggleButton()->m_signal_color_changed.connect( boost::bind( &ribi::WtToggleButtonWidget::DoRepaint, this)); m_widget->GetToggleButton()->m_signal_toggled.connect( boost::bind( &ribi::WtToggleButtonWidget::DoRepaint, this)); m_widget->m_signal_geometry_changed.connect( boost::bind( &ribi::WtToggleButtonWidget::OnResize, this)); this->clicked().connect(this,&ribi::WtToggleButtonWidget::OnClicked); } void ribi::WtToggleButtonWidget::DoRepaint() { this->update(); } void ribi::WtToggleButtonWidget::DrawToggleButton( Wt::WPainter& painter, const int left, const int top, const int width, const int height, const ToggleButton * const button) { { Wt::WPen pen = painter.pen(); pen.setWidth(1); pen.setColor(Wt::WColor(0,0,0)); painter.setPen(pen); } painter.setBrush(Wt::WColor( button->GetRed(), button->GetGreen(), button->GetBlue())); //Draw base painter.drawArc( left + 0, top + (height * 1 / 3), width, height * 2 / 3, 180 * 16, 180 * 16); //Draw top painter.drawEllipse( left + 0, top + (button->IsPressed() ? (height * 1 / 3) - 2 : 0.0), width, height * 2 / 3); painter.drawLine( left + 1, top + (button->IsPressed() ? (height * 2 / 3) - 2 : (height * 1 / 3)), left + 1, top + (height * 2 / 3)); painter.drawLine( left + (width - 1), top + (button->IsPressed() ? (height * 2 / 3) - 2 : (height * 1 / 3)), left + width - 1, top + (height * 2 / 3)); } void ribi::WtToggleButtonWidget::DrawToggleButton( Wt::WPainter& painter, const ToggleButtonWidget * const widget) { DrawToggleButton( painter, Geometry().GetLeft(widget->GetGeometry()), Geometry().GetTop(widget->GetGeometry()), Geometry().GetWidth(widget->GetGeometry()), Geometry().GetHeight(widget->GetGeometry()), widget->GetToggleButton() ); } std::string ribi::WtToggleButtonWidget::GetVersion() { return "1.1"; } std::vector<std::string> ribi::WtToggleButtonWidget::GetVersionHistory() { return { "2011-06-16: version 1.0: initial version", "2011-08-31: Version 1.1: added setting the color of a ToggleButton" }; } void ribi::WtToggleButtonWidget::OnClicked(const Wt::WMouseEvent&) { m_widget->GetToggleButton()->Toggle(); } void ribi::WtToggleButtonWidget::OnResize() { resize( Geometry().GetWidth(m_widget->GetGeometry()), Geometry().GetHeight(m_widget->GetGeometry()) ); } void ribi::WtToggleButtonWidget::paintEvent(Wt::WPaintDevice *paintDevice) { Wt::WPainter painter(paintDevice); DrawToggleButton(painter,m_widget.get()); } void ribi::WtToggleButtonWidget::resize(const Wt::WLength& width, const Wt::WLength& height) { Wt::WPaintedWidget::resize(width,height); }