Es++ Sample: FolderOpenDialog |
/****************************************************************************** * * 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. * * * FolderOpenDialog.cpp * *****************************************************************************/ // Simple example to use // Es::FolderOpenDialog, // Es::FileComboBox, // Es::ScrolledImageView #include <es++/gtkmm-3.0/Application.h> #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/ScrolledImageView.h> #include <es++/gtkmm-3.0/FolderOpenDialog.h> #include <es++/gtkmm-3.0/FileComboBox.h> #include <es++/gtkmm-3.0/FileOpenDialog.h> #include <es++/gtkmm-3.0/PushButton.h> using namespace Gtk; namespace Es { class MainView :public Es::ApplicationView { private: Es::HorizontalLayout top_work_area; Es::FileComboBox file_combobox; Es::PushButton folder_open_button; Es::ScrolledImageView image_view; std::string directory; std::string pattern; static const int CONTROLPANE_WIDTH = 200; Es::FolderOpenDialog folder_dialog; public: ////////////////////////////////////////////// //Constructor // MainView(Es::Application& applet, std::string& name, Es::Args& args) :ApplicationView(applet, name, args) ,folder_dialog(*this) { int w = (int)args.get(XmNwidth); int h = (int)args.get(XmNheight); Es::MainLayout& main_layout = get_main_layout(); main_layout.pack_start(top_work_area, FALSE, FALSE, 0); main_layout.pack_start(image_view); image_view.set_size_request( w, h); directory = "../../images/"; pattern = "*.*"; const std::string filename = "MultipleTexturedCube.png"; const std::string filepath = directory + filename; set_filenamed_title(filename); image_view.loadImage(filepath); file_combobox.set_label(directory); file_combobox.append(directory, pattern); file_combobox.set_active_text(filename); file_combobox.set_changed_callback( sigc::mem_fun(*this, &MainView::file_combobox_changed) ); folder_open_button.set_label("Open folder"); folder_open_button.set_clicked_callback( sigc::mem_fun(*this, &MainView::folder_open_button_clicked) ); top_work_area.pack_start(file_combobox); top_work_area.pack_start(folder_open_button, Gtk::PACK_SHRINK); show_all(); } void file_combobox_changed() { try { std::string filename = file_combobox.get_active_text(); std::string path = directory + "/" + filename; printf("Selected filepath =%s\n", path.c_str()); image_view.loadImage(path); } catch (Es::Exception& ex) { ; //Do nothing here. } } void folder_open_button_clicked() { try { int rc = folder_dialog.popup(); if (rc == Gtk::RESPONSE_OK) { directory = folder_dialog.get_filename(); file_combobox.set_label(directory); //The following line will cause file_combobox_changed callback. file_combobox.remove_all(); file_combobox.append(directory, pattern); } } catch (...) { ; //Do nothing here. } } }; } 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; }