Es++ Sample: FixedLayoutImageView |
/****************************************************************************** * * Copyright (c) 2017 Antillia.com 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. * * * FixedLayoutImageView.cpp * *****************************************************************************/ // Simple example to use Gtk::Fixed container and Es::ScrolledImageView #include <es++/gtkmm-3.0/Application.h> #include <es++/gtkmm-3.0/ApplicationView.h> #include <es++/gtkmm-3.0/ScrolledImageView.h> #include <es++/gtkmm-3.0/FileOpenDialog.h> #include <gtkmm/fixed.h> using namespace Gtk; namespace Es { class MainView :public Es::ApplicationView { private: //Container Gtk::Fixed fixed; Gtk::Label label; Es::ScrolledImageView image_view; Es::FileOpenDialog file_dialog; static const int IMAGEVIEW_X = 100; static const int IMAGEVIEW_Y = 40; public: ////////////////////////////////////////////// //Constructor // MainView(Es::Application& applet, std::string& name, Es::Args& args) :ApplicationView(applet, name, args) ,file_dialog(*this, Es::FileOpenDialog::IMAGE_FILES) { int w = (int)args.get(XmNwidth); int h = (int)args.get(XmNheight); Es::MainLayout& main_layout = get_main_layout(); main_layout.add(fixed); //label.set_alignment(Gtk::ALIGNMENT_LEFT); label.set_size_request(w, IMAGEVIEW_Y-1); fixed.put(label, 0, 0); fixed.put(image_view, IMAGEVIEW_X, IMAGEVIEW_Y); const std::string filename = "../../images/flower.png"; label.set_text(filename); image_view.loadImage(filename); image_view.set_size_request(w- IMAGEVIEW_X, h- IMAGEVIEW_Y); show_all(); } /* struct GdkEventConfigure { GdkEventType type; GdkWindow *window; gint8 send_event; gint x, y; gint width; gint height; }; */ bool on_configure_event(GdkEventConfigure* configure_event) { Window::on_configure_event(configure_event); //Do nothing here. return true; } void file_open() { int rc = file_dialog.popup(); if (rc == Gtk::RESPONSE_OK) { const std::string filename = file_dialog.get_filename(); label.set_text(filename); image_view.loadImage(filename); } } }; } 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, 640); args.set(XmNheight, 400); Es::MainView mainv(applet, name, args); mainv.show(); applet.run(mainv); } catch (Es::Exception& ex) { caught(ex); } catch (...) { printf("Get exception \n"); } return 0; }