Update source to SDL2 2.0.12

Edward Rudd

2020-05-02 03f8528315fa46c95991a34f3325d7b33ae5538c

 source/src/video/winrt/SDL_winrtpointerinput.cpp

@@ -1,6 +1,6 @@
/*
  Simple DirectMedia Layer
  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
  Copyright (C) 1997-2020 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
@@ -38,13 +38,12 @@

/* File-specific globals: */
static SDL_TouchID WINRT_TouchID = 1;
static unsigned int WINRT_LeftFingerDown = 0;


void
WINRT_InitTouch(_THIS)
{
    SDL_AddTouch(WINRT_TouchID, "");
    SDL_AddTouch(WINRT_TouchID, SDL_TOUCH_DEVICE_DIRECT, "");
}


@@ -231,18 +230,10 @@
        Windows::Foundation::Point normalizedPoint = WINRT_TransformCursorPosition(window, pointerPoint->Position, NormalizeZeroToOne);
        Windows::Foundation::Point windowPoint = WINRT_TransformCursorPosition(window, pointerPoint->Position, TransformToSDLWindowSize);

        if (!WINRT_LeftFingerDown) {
            if (button) {
                SDL_SendMouseMotion(window, SDL_TOUCH_MOUSEID, 0, (int)windowPoint.X, (int)windowPoint.Y);
                SDL_SendMouseButton(window, SDL_TOUCH_MOUSEID, SDL_PRESSED, button);
            }

            WINRT_LeftFingerDown = pointerPoint->PointerId;
        }

        SDL_SendTouch(
            WINRT_TouchID,
            (SDL_FingerID) pointerPoint->PointerId,
            window,
            SDL_TRUE,
            normalizedPoint.X,
            normalizedPoint.Y,
@@ -263,13 +254,10 @@
    if ( ! WINRT_IsTouchEvent(pointerPoint)) {
        SDL_SendMouseMotion(window, 0, 0, (int)windowPoint.X, (int)windowPoint.Y);
    } else {
        if (pointerPoint->PointerId == WINRT_LeftFingerDown) {
            SDL_SendMouseMotion(window, SDL_TOUCH_MOUSEID, 0, (int)windowPoint.X, (int)windowPoint.Y);
        }

        SDL_SendTouchMotion(
            WINRT_TouchID,
            (SDL_FingerID) pointerPoint->PointerId,
            window,
            normalizedPoint.X,
            normalizedPoint.Y,
            pointerPoint->Properties->Pressure);
@@ -289,16 +277,10 @@
    } else {
        Windows::Foundation::Point normalizedPoint = WINRT_TransformCursorPosition(window, pointerPoint->Position, NormalizeZeroToOne);

        if (WINRT_LeftFingerDown == pointerPoint->PointerId) {
            if (button) {
                SDL_SendMouseButton(window, SDL_TOUCH_MOUSEID, SDL_RELEASED, button);
            }
            WINRT_LeftFingerDown = 0;
        }

        SDL_SendTouch(
            WINRT_TouchID,
            (SDL_FingerID) pointerPoint->PointerId,
            window,
            SDL_FALSE,
            normalizedPoint.X,
            normalizedPoint.Y,