(C++) QtShinyButtonWidget
January 25, 2018 · View on GitHub
(C++) QtShinyButtonWidget
QtShinyButtonWidget is a Qt class for displaying a shiny button.
Technical facts
./CppQtShinyButtonWidget/CppQtShinyButtonWidget.pri
INCLUDEPATH += \ ../../Classes/CppQtShinyButtonWidget SOURCES += \ ../../Classes/CppQtShinyButtonWidget/qtshinybuttonwidget.cpp HEADERS += \ ../../Classes/CppQtShinyButtonWidget/qtshinybuttonwidget.h OTHER_FILES += \ ../../Classes/CppQtShinyButtonWidget/Licence.txt
./CppQtShinyButtonWidget/qtshinybuttonwidget.h
//--------------------------------------------------------------------------- /* QtShinyButtonWidget, Qt widget for displaying the ShinyButton 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/CppQtShinyButtonWidget.htm //--------------------------------------------------------------------------- #ifndef QTSHINYBUTTONWIDGET_H #define QTSHINYBUTTONWIDGET_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/signals2.hpp> #include <QWidget> #include "shinybutton.h" //For MOC #include "shinybuttonwidget.h" //For MOC #pragma GCC diagnostic pop namespace ribi { struct QtToggleButtonWidget; ///QtShinyButtonWidget displays a ShinyButton struct QtShinyButtonWidget : public QWidget { Q_OBJECT public: explicit QtShinyButtonWidget(QWidget *parent = 0); ///A QtShinyButtonWidget is created by its width and height QtShinyButtonWidget( const double color, const double gradient, const std::string& text = "", const Widget::Rect rect = Widget::CreateRect(0,0,80,20), QWidget *parent = 0); static void DrawShinyButton( QPainter& painter, const int left, const int top, const int width, const int height, const ShinyButton * const button); ///Draw a ShinyButton static void DrawShinyButton( QPainter& painter, const ShinyButtonWidget * const widget); const ShinyButtonWidget * GetWidget() const noexcept { return m_widget.get(); } ShinyButtonWidget * GetWidget() noexcept { return m_widget.get(); } ///Signal that is emitted when a QtShinyButtonWidget is toggled mutable boost::signals2::signal<void ()> m_signal_changed; static std::string GetVersion() noexcept; static std::vector<std::string> GetVersionHistory() noexcept; protected: void mousePressEvent(QMouseEvent *); void paintEvent(QPaintEvent *); void resizeEvent(QResizeEvent *); private: boost::scoped_ptr<ShinyButtonWidget> m_widget; ///Repaint the QtShinyButtonWidget void DoRepaint(); }; } //~namespace ribi #endif // WTSHINYBUTTONWIDGET_H
./CppQtShinyButtonWidget/qtshinybuttonwidget.cpp
//--------------------------------------------------------------------------- /* QtShinyButtonWidget, Wt widget for displaying the ShinyButton 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/CppQtShinyButtonWidget.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 "qtshinybuttonwidget.h" #include <iostream> #include <boost/bind.hpp> #include <boost/numeric/conversion/cast.hpp> #include <QMouseEvent> #include <QPainter> #include "rainbow.h" //#include "trace.h" #include "shinybutton.h" #include "shinybuttonwidget.h" #pragma GCC diagnostic pop ribi::QtShinyButtonWidget::QtShinyButtonWidget(QWidget *parent) : QWidget(parent), m_signal_changed{}, m_widget(new ShinyButtonWidget(0.5,0.5)) { assert(m_widget); m_widget->GetShinyButton()->m_signal_color_changed.connect(boost::bind( &ribi::QtShinyButtonWidget::DoRepaint,this)); m_widget->GetShinyButton()->m_signal_text_changed.connect(boost::bind( &ribi::QtShinyButtonWidget::DoRepaint,this)); m_widget->m_signal_geometry_changed.connect( boost::bind( &ribi::QtShinyButtonWidget::DoRepaint, this)); resize(200,400); } ribi::QtShinyButtonWidget::QtShinyButtonWidget( const double color, const double gradient, const std::string& text, const Widget::Rect rect, QWidget *parent) : QWidget(parent), m_signal_changed{}, m_widget(new ShinyButtonWidget(color,gradient,text,rect)) { assert(m_widget); m_widget->GetShinyButton()->m_signal_color_changed.connect(boost::bind( &ribi::QtShinyButtonWidget::DoRepaint,this)); m_widget->GetShinyButton()->m_signal_text_changed.connect(boost::bind( &ribi::QtShinyButtonWidget::DoRepaint,this)); m_widget->m_signal_geometry_changed.connect( boost::bind( &ribi::QtShinyButtonWidget::DoRepaint, this)); resize(m_widget->GetWidth(),m_widget->GetHeight()); } void ribi::QtShinyButtonWidget::DrawShinyButton( QPainter& painter, const int left, const int top, const int width, const int height, const ShinyButton * const button) { const double from = button->GetColor() - (0.5 * button->GetGradient()); const double to = button->GetColor() + (0.5 * button->GetGradient()); const double dc = (to - from) / boost::numeric_cast<double>(width); const int right = left + width; double c = from; const QPen old_pen = painter.pen(); QPen pen = painter.pen(); for (int x=left; x!=right; ++x,c+=dc) { double r,g,b; Rainbow::GetRgb(c,r,g,b); pen.setColor(QColor( r * 255.0, g * 255.0, b * 255.0)); painter.setPen(pen); painter.drawLine( x, top, x, top + height); } painter.setPen(old_pen); QRectF r(left,top,width,height); painter.drawText(r,Qt::AlignCenter | Qt::AlignVCenter,button->GetText().c_str()); } void ribi::QtShinyButtonWidget::DrawShinyButton( QPainter& painter, const ShinyButtonWidget * const widget) { DrawShinyButton( painter, widget->GetLeft(), widget->GetTop(), widget->GetWidth(), widget->GetHeight(), widget->GetShinyButton() ); } void ribi::QtShinyButtonWidget::DoRepaint() { this->repaint(); m_signal_changed(); } std::string ribi::QtShinyButtonWidget::GetVersion() noexcept { return "2.1"; } std::vector<std::string> ribi::QtShinyButtonWidget::GetVersionHistory() noexcept { return { "2011-07-04: version 1.0: initial version", "2011-09-15: version 2.0: made QtShinyButtonWidget same as WtShinyButtonWidget", "2014-03-28: version 2.1: replaced Rect by Boost.Geometry its box class" }; } void ribi::QtShinyButtonWidget::mousePressEvent(QMouseEvent *) { m_widget->Click(); } void ribi::QtShinyButtonWidget::paintEvent(QPaintEvent *) { QPainter painter(this); DrawShinyButton(painter,m_widget.get()); } void ribi::QtShinyButtonWidget::resizeEvent(QResizeEvent *) { m_widget->SetGeometry(0,0,width(),height()); }