embed/unix: emit TOUCH_END when mouse leaves active area. (#134)

This fixes the "swiping bug", swiping in emulator now feels more natural.
This commit is contained in:
matejcik 2018-03-01 14:59:36 +01:00 committed by Pavol Rusnak
parent 8852fb5482
commit d866128fbe
1 changed files with 9 additions and 1 deletions

View File

@ -42,7 +42,15 @@ uint32_t touch_read(void)
case SDL_MOUSEBUTTONUP:
x = event.button.x - sdl_touch_offset_x;
y = event.button.y - sdl_touch_offset_y;
if (x < 0 || y < 0 || x >= sdl_display_res_x || y >= sdl_display_res_y) break;
if (x < 0 || y < 0 || x >= sdl_display_res_x || y >= sdl_display_res_y) {
if (event.motion.state) {
int clamp_x = (x < 0) ? 0 : ((x >= sdl_display_res_x) ? sdl_display_res_x - 1 : x);
int clamp_y = (y < 0) ? 0 : ((y >= sdl_display_res_y) ? sdl_display_res_y - 1 : y);
return TOUCH_END | touch_pack_xy(clamp_x, clamp_y);
} else {
break;
}
}
switch (event.type) {
case SDL_MOUSEBUTTONDOWN:
return TOUCH_START | touch_pack_xy(x, y);