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WinRT: bug hack-fix - gamepad detection was failing on Xbox One 

Win10's 'GamepadAdded' event seems to need to have something registered with it
in order for Xinput-based gamepad detection to work.  This 'fix' simply causes
a dummy event-handler to be added for this event, in case an app wants to use
gamepads on Xbox One (most likely).
David Ludwig 2016-04-11 00:22:39 -04:00
parent 34f095e098
commit 8b65d225e8
2 changed files with 26 additions and 0 deletions
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22
src/core/winrt/SDL_winrtapp_direct3d.cpp
View File

@ -254,6 +254,18 @@ void SDL_WinRTApp::Initialize(CoreApplicationView^ applicationView)
CoreApplication::Exiting +=
ref new EventHandler<Platform::Object^>(this, &SDL_WinRTApp::OnExiting);
#if NTDDI_VERSION >= NTDDI_WIN10
/* HACK ALERT! Xbox One doesn't seem to detect gamepads unless something
gets registered to receive Win10's Windows.Gaming.Input.Gamepad.GamepadAdded
events. We'll register an event handler for these events here, to make
sure that gamepad detection works later on, if requested.
*/
Windows::Gaming::Input::Gamepad::GamepadAdded +=
ref new Windows::Foundation::EventHandler<Windows::Gaming::Input::Gamepad^>(
this, &SDL_WinRTApp::OnGamepadAdded
);
#endif
}
#if NTDDI_VERSION > NTDDI_WIN8
@ -832,3 +844,13 @@ void SDL_WinRTApp::OnBackButtonPressed(Platform::Object^ sender, Windows::Phone:
}
#endif
#if NTDDI_VERSION >= NTDDI_WIN10
void SDL_WinRTApp::OnGamepadAdded(Platform::Object ^sender, Windows::Gaming::Input::Gamepad ^gamepad)
{
/* HACK ALERT: Nothing needs to be done here, as this method currently
only exists to allow something to be registered with Win10's
GamepadAdded event, an operation that seems to be necessary to get
Xinput-based detection to work on Xbox One.
*/
}
#endif

4
src/core/winrt/SDL_winrtapp_direct3d.h
View File

@ -80,6 +80,10 @@ protected:
void OnBackButtonPressed(Platform::Object^ sender, Windows::Phone::UI::Input::BackPressedEventArgs^ args);
#endif
#if NTDDI_VERSION >= NTDDI_WIN10
void OnGamepadAdded(Platform::Object ^sender, Windows::Gaming::Input::Gamepad ^gamepad);
#endif
private:
bool m_windowClosed;
bool m_windowVisible;