| Es++ Sample: FolderOpenDialog |

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*
* Copyright (c) 2017 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
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*
* 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;
}