dialog_win32_impl.hpp

// Copyright Take Vos 2021-2022.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
 
#pragma once
 
#include "../win32_headers.hpp"
 
#include "dialog_intf.hpp"
#include "../utility/utility.hpp"
#include "../char_maps/module.hpp"
#include "../macros.hpp"
 
hi_export_module(hikogui.console.dialog : impl);
 
namespace hi { inline namespace v1 {
 
hi_export inline bool dialog(dialog_type type, std::string_view title, std::string_view text)
{
    UINT type_;
 
    switch (type) {
    case dialog_type::ok:
        // Just "ok" can only be a notification, so it must be an error as well.
        type_ = MB_APPLMODAL | MB_OK | MB_ICONERROR;
        break;
    case dialog_type::yes_no:
        // Just "yes" / "no" is serious, so exclamation.
        type_ = MB_APPLMODAL | MB_YESNO | MB_ICONEXCLAMATION;
        break;
 
    case dialog_type::yes_no_cancel:
        // If we can cancel it must be a warning.
        type_ = MB_APPLMODAL | MB_YESNOCANCEL | MB_ICONWARNING;
        break;
 
    default: hi_no_default();
    }
 
    hilet title_ = hi::to_wstring(title);
    hilet text_ = hi::to_wstring(text);
    hilet r = MessageBoxW(nullptr, text_.c_str(), title_.c_str(), type_);
 
    switch (r) {
    case IDABORT:
    case IDCANCEL: throw cancel_error("User pressed cancel");
    case IDCONTINUE:
    case IDOK:
    case IDYES: return true;
    case IDNO: return false;
    default: hi_no_default();
    }
}
 
}} // namespace hi::inline v1