| Es++ Sample: ColorPositioner |

/******************************************************************************
*
* Copyright (c) 2017 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.
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* 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
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*
* ColorPositioner.cpp
*
*****************************************************************************/
// Simple toplevel application view with a menubar.
#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/ColorBox.h>
#include <es++/gtkmm-3.0/ColorPositioner.h>
namespace Es {
class MainView : public Es::ApplicationView {
private:
Es::HorizontalLayout hlayout;
Es::ColorBox colorbox;
Es::ColorPositioner positioner;
public:
MainView(Es::Application& applet,
std::string& name,
Es::Args& args)
:ApplicationView(applet, name, args)
{
//MainLayout is a vertical layouter
Es::MainLayout& main_layout = get_main_layout();
main_layout.set_spacing(0);
main_layout.pack_start(hlayout);
colorbox.set_size_request(400, 400);
hlayout.pack_start(colorbox);
hlayout.pack_start(positioner);
positioner.set_values(1.0, 0.0, 0.0);
positioner.set_value_changed_callback(
sigc::mem_fun(*this, &MainView::positioner_value_changed) );
show_all();
}
protected:
void positioner_value_changed()
{
double r, g, b;
positioner.get_values(r, g, b);
printf("positioner_value_changed:(%lf, %lf, %lf)\n",
r, g, b);
colorbox.set_background(r, g, b);
colorbox.refresh();
}
virtual void on_help()
{
Gtk::MessageDialog dialog(*this, "Message");
dialog.set_title("Help");
dialog.set_secondary_text("Es++ example. Help your self." );
dialog.run();
}
};
}
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, 600);
args.set(XmNheight, 300);
Es::MainView mainv(applet, name, args);
mainv.show();
applet.run(mainv);
} catch (Es::Exception& ex) {
caught(ex);
} catch (...) {
printf("Get exception \n");
}
return 0;
}