1 files changed, 96 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/video/android/SDL_androidtouch.c b/contrib/SDL-3.2.8/src/video/android/SDL_androidtouch.c
new file mode 100644
index 0000000..661c9a1
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/android/SDL_androidtouch.c
@@ -0,0 +1,96 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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"
+
+#ifdef SDL_VIDEO_DRIVER_ANDROID
+
+#include <android/log.h>
+
+#include "SDL_androidtouch.h"
+#include "../../events/SDL_mouse_c.h"
+#include "../../events/SDL_touch_c.h"
+#include "../../core/android/SDL_android.h"
+
+#define ACTION_DOWN 0
+#define ACTION_UP   1
+#define ACTION_MOVE 2
+#define ACTION_CANCEL 3
+// #define ACTION_OUTSIDE 4
+#define ACTION_POINTER_DOWN 5
+#define ACTION_POINTER_UP   6
+
+void Android_InitTouch(void)
+{
+    // Add all touch devices
+    Android_JNI_InitTouch();
+}
+
+void Android_QuitTouch(void)
+{
+}
+
+void Android_OnTouch(SDL_Window *window, int touch_device_id_in, int pointer_finger_id_in, int action, float x, float y, float p)
+{
+    SDL_TouchID touchDeviceId = 0;
+    SDL_FingerID fingerId = 0;
+
+    if (!window) {
+        return;
+    }
+
+    /* Touch device -1 appears when using Android emulator, eg:
+     *  adb shell input mouse tap 100 100
+     *  adb shell input touchscreen tap 100 100
+     */
+    touchDeviceId = (SDL_TouchID)(touch_device_id_in + 2);
+
+    // Finger ID should be greater than 0
+    fingerId = (SDL_FingerID)(pointer_finger_id_in + 1);
+
+    if (SDL_AddTouch(touchDeviceId, SDL_TOUCH_DEVICE_DIRECT, "") < 0) {
+        SDL_Log("error: can't add touch %s, %d", __FILE__, __LINE__);
+    }
+
+    switch (action) {
+    case ACTION_DOWN:
+    case ACTION_POINTER_DOWN:
+        SDL_SendTouch(0, touchDeviceId, fingerId, window, SDL_EVENT_FINGER_DOWN, x, y, p);
+        break;
+
+    case ACTION_MOVE:
+        SDL_SendTouchMotion(0, touchDeviceId, fingerId, window, x, y, p);
+        break;
+
+    case ACTION_UP:
+    case ACTION_POINTER_UP:
+        SDL_SendTouch(0, touchDeviceId, fingerId, window, SDL_EVENT_FINGER_UP, x, y, p);
+        break;
+
+    case ACTION_CANCEL:
+        SDL_SendTouch(0, touchDeviceId, fingerId, window, SDL_EVENT_FINGER_CANCELED, x, y, p);
+        break;
+
+    default:
+        break;
+    }
+}
+
+#endif // SDL_VIDEO_DRIVER_ANDROID