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Added mouse emulation for touch events on Android.

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This commit is contained in:
Sam Lantinga 2012-11-04 20:11:51 -08:00
parent dcc4ab558c
commit b950bcbbab
2 changed files with 41 additions and 3 deletions
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40
src/video/android/SDL_androidtouch.c
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@ -40,15 +40,28 @@
#define ACTION_POINTER_1_DOWN 5
#define ACTION_POINTER_1_UP 6
static SDL_FingerID leftFingerDown = 0;
static void Android_GetWindowCoordinates(float x, float y,
int *window_x, int *window_y)
{
int window_w, window_h;
SDL_GetWindowSize(Android_Window, &window_w, &window_h);
*window_x = (int)(x * window_w);
*window_y = (int)(y * window_h);
}
void Android_OnTouch(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;
int window_x, window_y;
if (!Android_Window) {
return;
}
touchDeviceId = (SDL_TouchID)touch_device_id_in;
if (!SDL_GetTouch(touchDeviceId)) {
SDL_Touch touch;
@ -68,18 +81,39 @@ void Android_OnTouch(int touch_device_id_in, int pointer_finger_id_in, int actio
}
}
fingerId = (SDL_FingerID)pointer_finger_id_in;
switch (action) {
case ACTION_DOWN:
case ACTION_POINTER_1_DOWN:
if (!leftFingerDown) {
Android_GetWindowCoordinates(x, y, &window_x, &window_y);
/* send moved event */
SDL_SendMouseMotion(NULL, 0, window_x, window_y);
/* send mouse down event */
SDL_SendMouseButton(NULL, SDL_PRESSED, SDL_BUTTON_LEFT);
leftFingerDown = fingerId;
}
SDL_SendFingerDown(touchDeviceId, fingerId, SDL_TRUE, x, y, p);
break;
case ACTION_MOVE:
if (!leftFingerDown) {
Android_GetWindowCoordinates(x, y, &window_x, &window_y);
/* send moved event */
SDL_SendMouseMotion(NULL, 0, window_x, window_y);
}
SDL_SendTouchMotion(touchDeviceId, fingerId, SDL_FALSE, x, y, p);
break;
case ACTION_UP:
case ACTION_POINTER_1_UP:
if (fingerId == leftFingerDown) {
/* send mouse up */
SDL_SendMouseButton(NULL, SDL_RELEASED, SDL_BUTTON_LEFT);
leftFingerDown = 0;
}
SDL_SendFingerDown(touchDeviceId, fingerId, SDL_FALSE, x, y, p);
break;
default: