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+/*
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+ Simple DirectMedia Layer
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+ Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
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+
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+ This software is provided 'as-is', without any express or implied
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+ warranty. In no event will the authors be held liable for any damages
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+ arising from the use of this software.
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+
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+ Permission is granted to anyone to use this software for any purpose,
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+ including commercial applications, and to alter it and redistribute it
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+ freely, subject to the following restrictions:
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+
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+ 1. The origin of this software must not be misrepresented; you must not
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+ claim that you wrote the original software. If you use this software
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+ in a product, an acknowledgment in the product documentation would be
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+ appreciated but is not required.
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+ 2. Altered source versions must be plainly marked as such, and must not be
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+ misrepresented as being the original software.
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+ 3. This notice may not be removed or altered from any source distribution.
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+*/
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+#include "../../SDL_internal.h"
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+
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+#if SDL_VIDEO_DRIVER_WINRT
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+
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+extern "C" {
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+#include "SDL_messagebox.h"
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+#include "../../core/windows/SDL_windows.h"
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+}
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+
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+#include "SDL_winrtevents_c.h"
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+
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+#include <windows.ui.popups.h>
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+using namespace Platform;
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+using namespace Windows::Foundation;
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+using namespace Windows::UI::Popups;
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+
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+static String ^
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+WINRT_UTF8ToPlatformString(const char * str)
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+{
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+ wchar_t * wstr = WIN_UTF8ToString(str);
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+ String ^ rtstr = ref new String(wstr);
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+ SDL_free(wstr);
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+ return rtstr;
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+}
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+
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+extern "C" int
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+WINRT_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
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+{
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+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
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+ /* Sadly, Windows Phone 8 doesn't include the MessageDialog class that
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+ * Windows 8.x/RT does, even though MSDN's reference documentation for
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+ * Windows Phone 8 mentions it.
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+ *
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+ * The .NET runtime on Windows Phone 8 does, however, include a
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+ * MessageBox class. Perhaps this could be called, somehow?
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+ */
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+ return SDL_SetError("SDL_messagebox support is not available for Windows Phone");
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+#else
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+ SDL_VideoDevice *_this = SDL_GetVideoDevice();
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+
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+ if (messageboxdata->numbuttons > 3) {
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+ return SDL_SetError("WinRT's MessageDialog only supports 3 buttons, at most. %d were requested.", messageboxdata->numbuttons);
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+ }
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+
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+ /* Build a MessageDialog object and its buttons */
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+ MessageDialog ^ dialog = ref new MessageDialog(WINRT_UTF8ToPlatformString(messageboxdata->message));
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+ dialog->Title = WINRT_UTF8ToPlatformString(messageboxdata->title);
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+ for (int i = 0; i < messageboxdata->numbuttons; ++i) {
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+ UICommand ^ button = ref new UICommand(WINRT_UTF8ToPlatformString(messageboxdata->buttons[i].text));
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+ button->Id = safe_cast<IntPtr>(i);
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+ dialog->Commands->Append(button);
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+ if (messageboxdata->buttons[i].flags & SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT) {
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+ dialog->CancelCommandIndex = i;
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+ }
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+ if (messageboxdata->buttons[i].flags & SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT) {
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+ dialog->DefaultCommandIndex = i;
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+ }
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+ }
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+
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+ /* Display the MessageDialog, then wait for it to be closed */
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+ /* TODO, WinRT: Find a way to redraw MessageDialog instances if a GPU device-reset occurs during the following event-loop */
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+ auto operation = dialog->ShowAsync();
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+ while (operation->Status == Windows::Foundation::AsyncStatus::Started) {
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+ WINRT_PumpEvents(_this);
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+ }
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+
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+ /* Retrieve results from the MessageDialog and process them accordingly */
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+ if (operation->Status != Windows::Foundation::AsyncStatus::Completed) {
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+ return SDL_SetError("An unknown error occurred in displaying the WinRT MessageDialog");
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+ }
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+ if (buttonid) {
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+ IntPtr results = safe_cast<IntPtr>(operation->GetResults()->Id);
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+ int clicked_index = results.ToInt32();
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+ *buttonid = messageboxdata->buttons[clicked_index].buttonid;
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+ }
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+ return 0;
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+#endif /* if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP / else */
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+}
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+
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+#endif /* SDL_VIDEO_DRIVER_WINRT */
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+
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+/* vi: set ts=4 sw=4 expandtab: */
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+
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David Ludwig