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WinRT: Implemented SDL_ShowMessageBox for Windows 8.x/RT hosts
This change does not include message box support for Windows Phone 8, which does not offer the same message box APIs that Windows 8.x/RT does.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| /* | ||
| Simple DirectMedia Layer | ||
| Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org> | ||
| This software is provided 'as-is', without any express or implied | ||
| warranty. In no event will the authors be held liable for any damages | ||
| arising from the use of this software. | ||
| Permission is granted to anyone to use this software for any purpose, | ||
| including commercial applications, and to alter it and redistribute it | ||
| freely, subject to the following restrictions: | ||
| 1. The origin of this software must not be misrepresented; you must not | ||
| claim that you wrote the original software. If you use this software | ||
| in a product, an acknowledgment in the product documentation would be | ||
| appreciated but is not required. | ||
| 2. Altered source versions must be plainly marked as such, and must not be | ||
| misrepresented as being the original software. | ||
| 3. This notice may not be removed or altered from any source distribution. | ||
| */ | ||
| #include "../../SDL_internal.h" | ||
|
|
||
| #if SDL_VIDEO_DRIVER_WINRT | ||
|
|
||
| extern "C" { | ||
| #include "SDL_messagebox.h" | ||
| #include "../../core/windows/SDL_windows.h" | ||
| } | ||
|
|
||
| #include "SDL_winrtevents_c.h" | ||
|
|
||
| #include <windows.ui.popups.h> | ||
| using namespace Platform; | ||
| using namespace Windows::Foundation; | ||
| using namespace Windows::UI::Popups; | ||
|
|
||
| static String ^ | ||
| WINRT_UTF8ToPlatformString(const char * str) | ||
| { | ||
| wchar_t * wstr = WIN_UTF8ToString(str); | ||
| String ^ rtstr = ref new String(wstr); | ||
| SDL_free(wstr); | ||
| return rtstr; | ||
| } | ||
|
|
||
| extern "C" int | ||
| WINRT_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid) | ||
| { | ||
| #if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP | ||
| /* Sadly, Windows Phone 8 doesn't include the MessageDialog class that | ||
| * Windows 8.x/RT does, even though MSDN's reference documentation for | ||
| * Windows Phone 8 mentions it. | ||
| * | ||
| * The .NET runtime on Windows Phone 8 does, however, include a | ||
| * MessageBox class. Perhaps this could be called, somehow? | ||
| */ | ||
| return SDL_SetError("SDL_messagebox support is not available for Windows Phone"); | ||
| #else | ||
| SDL_VideoDevice *_this = SDL_GetVideoDevice(); | ||
|
|
||
| if (messageboxdata->numbuttons > 3) { | ||
| return SDL_SetError("WinRT's MessageDialog only supports 3 buttons, at most. %d were requested.", messageboxdata->numbuttons); | ||
| } | ||
|
|
||
| /* Build a MessageDialog object and its buttons */ | ||
| MessageDialog ^ dialog = ref new MessageDialog(WINRT_UTF8ToPlatformString(messageboxdata->message)); | ||
| dialog->Title = WINRT_UTF8ToPlatformString(messageboxdata->title); | ||
| for (int i = 0; i < messageboxdata->numbuttons; ++i) { | ||
| UICommand ^ button = ref new UICommand(WINRT_UTF8ToPlatformString(messageboxdata->buttons[i].text)); | ||
| button->Id = safe_cast<IntPtr>(i); | ||
| dialog->Commands->Append(button); | ||
| if (messageboxdata->buttons[i].flags & SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT) { | ||
| dialog->CancelCommandIndex = i; | ||
| } | ||
| if (messageboxdata->buttons[i].flags & SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT) { | ||
| dialog->DefaultCommandIndex = i; | ||
| } | ||
| } | ||
|
|
||
| /* Display the MessageDialog, then wait for it to be closed */ | ||
| /* TODO, WinRT: Find a way to redraw MessageDialog instances if a GPU device-reset occurs during the following event-loop */ | ||
| auto operation = dialog->ShowAsync(); | ||
| while (operation->Status == Windows::Foundation::AsyncStatus::Started) { | ||
| WINRT_PumpEvents(_this); | ||
| } | ||
|
|
||
| /* Retrieve results from the MessageDialog and process them accordingly */ | ||
| if (operation->Status != Windows::Foundation::AsyncStatus::Completed) { | ||
| return SDL_SetError("An unknown error occurred in displaying the WinRT MessageDialog"); | ||
| } | ||
| if (buttonid) { | ||
| IntPtr results = safe_cast<IntPtr>(operation->GetResults()->Id); | ||
| int clicked_index = results.ToInt32(); | ||
| *buttonid = messageboxdata->buttons[clicked_index].buttonid; | ||
| } | ||
| return 0; | ||
| #endif /* if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP / else */ | ||
| } | ||
|
|
||
| #endif /* SDL_VIDEO_DRIVER_WINRT */ | ||
|
|
||
| /* vi: set ts=4 sw=4 expandtab: */ | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| /* | ||
| Simple DirectMedia Layer | ||
| Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org> | ||
| This software is provided 'as-is', without any express or implied | ||
| warranty. In no event will the authors be held liable for any damages | ||
| arising from the use of this software. | ||
| Permission is granted to anyone to use this software for any purpose, | ||
| including commercial applications, and to alter it and redistribute it | ||
| freely, subject to the following restrictions: | ||
| 1. The origin of this software must not be misrepresented; you must not | ||
| claim that you wrote the original software. If you use this software | ||
| in a product, an acknowledgment in the product documentation would be | ||
| appreciated but is not required. | ||
| 2. Altered source versions must be plainly marked as such, and must not be | ||
| misrepresented as being the original software. | ||
| 3. This notice may not be removed or altered from any source distribution. | ||
| */ | ||
| #include "../../SDL_internal.h" | ||
|
|
||
| #if SDL_VIDEO_DRIVER_WINRT | ||
|
|
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| extern int WINRT_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid); | ||
|
|
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| #endif /* SDL_VIDEO_DRIVER_WINRT */ | ||
|
|
||
| /* vi: set ts=4 sw=4 expandtab: */ |