cscg22-gearboy

CSCG 2022 Challenge 'Gearboy'
git clone https://git.sinitax.com/sinitax/cscg22-gearboy
Log | Files | Refs | sfeed.txt

SDL_winrtmessagebox.cpp (4309B)

      1/*
      2  Simple DirectMedia Layer
      3  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
      4
      5  This software is provided 'as-is', without any express or implied
      6  warranty.  In no event will the authors be held liable for any damages
      7  arising from the use of this software.
      8
      9  Permission is granted to anyone to use this software for any purpose,
     10  including commercial applications, and to alter it and redistribute it
     11  freely, subject to the following restrictions:
     12
     13  1. The origin of this software must not be misrepresented; you must not
     14     claim that you wrote the original software. If you use this software
     15     in a product, an acknowledgment in the product documentation would be
     16     appreciated but is not required.
     17  2. Altered source versions must be plainly marked as such, and must not be
     18     misrepresented as being the original software.
     19  3. This notice may not be removed or altered from any source distribution.
     20*/
     21#include "../../SDL_internal.h"
     22
     23#if SDL_VIDEO_DRIVER_WINRT
     24
     25extern "C" {
     26#include "SDL_messagebox.h"
     27#include "../../core/windows/SDL_windows.h"
     28}
     29
     30#include "SDL_winrtevents_c.h"
     31
     32#include <windows.ui.popups.h>
     33using namespace Platform;
     34using namespace Windows::Foundation;
     35using namespace Windows::UI::Popups;
     36
     37static String ^
     38WINRT_UTF8ToPlatformString(const char * str)
     39{
     40    wchar_t * wstr = WIN_UTF8ToString(str);
     41    String ^ rtstr = ref new String(wstr);
     42    SDL_free(wstr);
     43    return rtstr;
     44}
     45
     46extern "C" int
     47WINRT_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
     48{
     49#if (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP) && (NTDDI_VERSION == NTDDI_WIN8)
     50    /* Sadly, Windows Phone 8 doesn't include the MessageDialog class that
     51     * Windows 8.x/RT does, even though MSDN's reference documentation for
     52     * Windows Phone 8 mentions it.
     53     * 
     54     * The .NET runtime on Windows Phone 8 does, however, include a
     55     * MessageBox class.  Perhaps this could be called, somehow?
     56     */
     57    return SDL_SetError("SDL_messagebox support is not available for Windows Phone 8.0");
     58#else
     59    SDL_VideoDevice *_this = SDL_GetVideoDevice();
     60
     61#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
     62    const int maxbuttons = 2;
     63    const char * platform = "Windows Phone 8.1+";
     64#else
     65    const int maxbuttons = 3;
     66    const char * platform = "Windows 8.x";
     67#endif
     68
     69    if (messageboxdata->numbuttons > maxbuttons) {
     70        return SDL_SetError("WinRT's MessageDialog only supports %d buttons, at most, on %s. %d were requested.",
     71            maxbuttons, platform, messageboxdata->numbuttons);
     72    }
     73
     74    /* Build a MessageDialog object and its buttons */
     75    MessageDialog ^ dialog = ref new MessageDialog(WINRT_UTF8ToPlatformString(messageboxdata->message));
     76    dialog->Title = WINRT_UTF8ToPlatformString(messageboxdata->title);
     77    for (int i = 0; i < messageboxdata->numbuttons; ++i) {
     78        UICommand ^ button = ref new UICommand(WINRT_UTF8ToPlatformString(messageboxdata->buttons[i].text));
     79        button->Id = safe_cast<IntPtr>(i);
     80        dialog->Commands->Append(button);
     81        if (messageboxdata->buttons[i].flags & SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT) {
     82            dialog->CancelCommandIndex = i;
     83        }
     84        if (messageboxdata->buttons[i].flags & SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT) {
     85            dialog->DefaultCommandIndex = i;
     86        }
     87    }
     88
     89    /* Display the MessageDialog, then wait for it to be closed */
     90    /* TODO, WinRT: Find a way to redraw MessageDialog instances if a GPU device-reset occurs during the following event-loop */
     91    auto operation = dialog->ShowAsync();
     92    while (operation->Status == Windows::Foundation::AsyncStatus::Started) {
     93        WINRT_PumpEvents(_this);
     94    }
     95
     96    /* Retrieve results from the MessageDialog and process them accordingly */
     97    if (operation->Status != Windows::Foundation::AsyncStatus::Completed) {
     98        return SDL_SetError("An unknown error occurred in displaying the WinRT MessageDialog");
     99    }
    100    if (buttonid) {
    101        IntPtr results = safe_cast<IntPtr>(operation->GetResults()->Id);
    102        int clicked_index = results.ToInt32();
    103        *buttonid = messageboxdata->buttons[clicked_index].buttonid;
    104    }
    105    return 0;
    106#endif /* if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP / else */
    107}
    108
    109#endif /* SDL_VIDEO_DRIVER_WINRT */
    110
    111/* vi: set ts=4 sw=4 expandtab: */
    112