cpp11/snippet.cpp

Documentation snippets

// Copyright (c) 2017 Kolya Kosenko
 
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
 
// Compilable source code snippets that are used in documentation.
 
#include <boost/config.hpp>
 
#include <chrono>
 
#include <boost/ui.hpp>
 
#include <boost/ui/native/winmain.cpp>
 
namespace ui = boost::ui;
 
class button_dialog : public ui::dialog
{
public:
    button_dialog() : ui::dialog("Button usage dialog")
    {
        ui::button(*this, "&Press me")
            .on_press(&button_dialog::on_press_me, this);
 
        show_modal();
    }
 
private:
    void on_press_me()
    {
        ui::info_dialog("Hello");
    }
};
 
class my_dialog : public ui::dialog
{
public:
    my_dialog() : ui::dialog("Dialog example")
    {
        ui::button(*this, "&Close this dialog")
            .on_press(&my_dialog::on_close, this);
    }
 
private:
    void on_close()
    {
        close();
    }
};
 
void run_dialog()
{
    my_dialog().show_modal();
}
 
class my_frame : public ui::frame
{
    typedef my_frame this_type;
 
public:
    my_frame() : ui::frame("Frame example")
    {
        ui::button(*this, "&Close this frame")
            .on_press(&this_type::on_close, this);
 
        menu_bar()
            << ( ui::menu("&File")
                << ui::menu::item("&Quit")
                    .on_press(&this_type::on_close, this)
            )
            ;
 
        status_bar().text("Ready");
    }
 
private:
    void on_close()
    {
        close();
    }
};
 
void run_frame()
{
    my_frame().show_modal();
}
 
void run_gui()
{
    ui::dialog parent("Boost.UI documentation snippets");
 
    ui::vbox layout(parent);
 
    layout << ui::button(parent, "&Button").on_press([]{ button_dialog(); });
 
    layout << (ui::hbox()
        << ui::button(parent, "&Dialog").on_press([]{ run_dialog(); })
        << ui::button(parent, "&Frame") .on_press([]{ run_frame();  })
        );
 
    layout << ui::button(parent, "&Event").on_press([]
    {
ui::dialog dlg("Example dialog");
ui::button(dlg, "&Quit")
    .on_press(&ui::dialog::close, &dlg);
dlg.show_modal();
    });
 
    layout << ui::button(parent, "&Timeout").on_press([]
    {
ui::on_timeout(std::chrono::milliseconds(1000),
               []{ BOOST_UI_LOG; }
              );
    });
 
ui::string_box string_box = ui::string_box(parent, "Initial text");
string_box.on_edit([&]
{
    ui::log::info() << "Edited text: " << string_box.text();
});
    layout << string_box.layout().justify();
 
ui::combo_box combo_box = ui::combo_box(parent,
    "Initial text",
    { "Option 1", "Option 2", "Option 3" })
    .on_select_event([&](ui::index_event& e)
    {
        ui::log::info() << "Selected option index: " << e.index()
                        << ", text: "                << combo_box.text();
    });
    layout << combo_box.layout().justify();
 
ui::choice choice = ui::choice(parent,
    { "Option 1", "Option 2", "Option 3" })
    .on_select_event([&](ui::index_event& e)
    {
        ui::log::info() << "Selected option index: " << e.index()
                        << ", text: "                << choice.text();
    });
    layout << choice.layout().justify();
 
ui::list_box list_box = ui::list_box(parent,
    { "Option 1", "Option 2", "Option 3" })
    .on_select_event([&](ui::index_event& e)
    {
        ui::log::info() << "Selected option index: " << e.index();
    })
    .on_activate_event([&](ui::index_event& e)
    {
        ui::log::info() << "Activated option index: " << e.index();
    })
    ;
    layout << list_box.layout().justify();
 
    parent.resize(400, 600);
    parent.show_modal();
}
 
int ui_main()
{
    run_gui();
 
    return 0;
}
 
int main(int argc, char* argv[])
{
    return ui::entry(&ui_main, argc, argv);
}