Es++ Sample: ColorPositioner |
/****************************************************************************** * * Copyright (c) 2017 TOSHIYUKI ARAI. ALL RIGHTS RESERVED. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer. * * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * ColorPositioner.cpp * *****************************************************************************/ // Simple toplevel application view with a menubar. #include <es++/gtkmm-3.0/ApplicationView.h> #include <es++/gtkmm-3.0/HorizontalLayout.h> #include <es++/gtkmm-3.0/VerticalLayout.h> #include <es++/gtkmm-3.0/ColorBox.h> #include <es++/gtkmm-3.0/ColorPositioner.h> namespace Es { class MainView : public Es::ApplicationView { private: Es::HorizontalLayout hlayout; Es::ColorBox colorbox; Es::ColorPositioner positioner; public: MainView(Es::Application& applet, std::string& name, Es::Args& args) :ApplicationView(applet, name, args) { //MainLayout is a vertical layouter Es::MainLayout& main_layout = get_main_layout(); main_layout.set_spacing(0); main_layout.pack_start(hlayout); colorbox.set_size_request(400, 400); hlayout.pack_start(colorbox); hlayout.pack_start(positioner); positioner.set_values(1.0, 0.0, 0.0); positioner.set_value_changed_callback( sigc::mem_fun(*this, &MainView::positioner_value_changed) ); show_all(); } protected: void positioner_value_changed() { double r, g, b; positioner.get_values(r, g, b); printf("positioner_value_changed:(%lf, %lf, %lf)\n", r, g, b); colorbox.set_background(r, g, b); colorbox.refresh(); } virtual void on_help() { Gtk::MessageDialog dialog(*this, "Message"); dialog.set_title("Help"); dialog.set_secondary_text("Es++ example. Help your self." ); dialog.run(); } }; } int main(int argc, char** argv) { Es::Environment env; try { std::string name = argv[0]; Es::Application applet(argc, argv); Es::Args args; args.set(XmNx, 20); args.set(XmNy, 40); args.set(XmNwidth, 600); args.set(XmNheight, 300); Es::MainView mainv(applet, name, args); mainv.show(); applet.run(mainv); } catch (Es::Exception& ex) { caught(ex); } catch (...) { printf("Get exception \n"); } return 0; }