| 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;
}