Es++ Sample: FileComboBox |
/****************************************************************************** * * 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. * * * FileComboBox.cpp * *****************************************************************************/ // #include <es++/gtkmm-3.0/ApplicationView.h> #include <es++/gtkmm-3.0/ScrolledImageView.h> #include <es++/gtkmm-3.0/FileComboBox.h> using namespace Gtk; namespace Es { class MainView :public Es::ApplicationView { private: Es::FileComboBox file_combobox; Es::ScrolledImageView image_view; std::string dir; std::string pattern; public: ////////////////////////////////////////////// //Constructor // MainView(Es::Application& applet, std::string& title, Es::Args& args) :ApplicationView(applet, title, args) { Es::MainLayout& main_layout = get_main_layout(); int w = (int)args.get(XmNwidth); int h = (int)args.get(XmNheight); image_view.set_size_request(w, h); main_layout.pack_start(file_combobox, Gtk::PACK_SHRINK); main_layout.pack_start(image_view, Gtk::PACK_SHRINK); dir = "../../images"; pattern = "*.*"; file_combobox.set_label(dir); file_combobox.append(dir, pattern); file_combobox.set_changed_callback( sigc::mem_fun(*this, &MainView::file_combobox_changed) ); std::string filename = "NiohLiken.png"; file_combobox.set_active_text(filename); const std::string path = dir + "/" + filename; image_view.loadImage(path); show_all(); } void file_combobox_changed() { std::string filename = file_combobox.get_active_text(); std::string path = dir + "/" + filename; printf("Selected filepath =%s\n", path.c_str()); image_view.loadImage(path); } }; } int main(int argc, char** argv) { Es::Environment env; try { Es::Application applet(argc, argv); std::string title(argv[0]); Es::Args args; args.set(XmNx, 10); args.set(XmNy, 10); args.set(XmNwidth, 640); args.set(XmNheight,400); Es::MainView mainv(applet, title, args); mainv.show(); applet.run(mainv); } catch (Es::Exception& ex) { caught(ex); } catch (...) { printf("Get exception \n"); } return 0; }