BramReuling/SDL
1
0
Fork 0
mirror of https://github.com/libsdl-org/SDL.git synced 2026-06-06 14:43:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Merge pull request #1 from bytemain/main

Browse source 
OHOS: Fix touch event processing to only handle the triggering finger
This commit is contained in:
Coder2 2026-02-11 07:09:39 +08:00 • committed by GitHub
commit c75458a36b
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 37 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

62
src/core/ohos/SDL_ohos.c
View file

@ -662,36 +662,48 @@ static void onNativeTouch(OH_NativeXComponent *component, void *window)
OH_NativeXComponent_GetTouchEvent(component, window, &touchEvent);
OH_NativeXComponent_GetTouchPointToolType(component, 0, &toolType);
// Only process the finger that triggered this event (touchEvent.id).
// The touchPoints array contains current state of all fingers, not just the changed one.
int targetIndex = -1;
for (int i = 0; i < touchEvent.numPoints; i++) {
SDL_OHOSTouchEvent e;
e.timestamp = touchEvent.timeStamp;
// skip assertions
e.deviceId = touchEvent.deviceId + 1;
e.fingerId = touchEvent.touchPoints[i].id + 1;
e.area = touchEvent.touchPoints[i].size;
e.x = touchEvent.touchPoints[i].x / (float)wid;
e.y = touchEvent.touchPoints[i].y / (float)hei;
e.p = touchEvent.touchPoints[i].force;
switch (touchEvent.touchPoints[i].type) {
case OH_NATIVEXCOMPONENT_DOWN:
e.type = SDL_EVENT_FINGER_DOWN;
break;
case OH_NATIVEXCOMPONENT_MOVE:
e.type = SDL_EVENT_FINGER_MOTION;
break;
case OH_NATIVEXCOMPONENT_UP:
e.type = SDL_EVENT_FINGER_UP;
break;
case OH_NATIVEXCOMPONENT_CANCEL:
case OH_NATIVEXCOMPONENT_UNKNOWN:
e.type = SDL_EVENT_FINGER_CANCELED;
if (touchEvent.touchPoints[i].id == touchEvent.id) {
targetIndex = i;
break;
}
OHOS_OnTouch(e);
}
if (targetIndex < 0) {
OHOS_UnlockPage();
return;
}
SDL_OHOSTouchEvent e;
e.timestamp = touchEvent.timeStamp;
e.deviceId = touchEvent.deviceId + 1;
e.fingerId = touchEvent.touchPoints[targetIndex].id + 1;
e.area = touchEvent.touchPoints[targetIndex].size;
e.x = touchEvent.touchPoints[targetIndex].x / (float)wid;
e.y = touchEvent.touchPoints[targetIndex].y / (float)hei;
e.p = touchEvent.touchPoints[targetIndex].force;
switch (touchEvent.touchPoints[targetIndex].type) {
case OH_NATIVEXCOMPONENT_DOWN:
e.type = SDL_EVENT_FINGER_DOWN;
break;
case OH_NATIVEXCOMPONENT_MOVE:
e.type = SDL_EVENT_FINGER_MOTION;
break;
case OH_NATIVEXCOMPONENT_UP:
e.type = SDL_EVENT_FINGER_UP;
break;
case OH_NATIVEXCOMPONENT_CANCEL:
case OH_NATIVEXCOMPONENT_UNKNOWN:
e.type = SDL_EVENT_FINGER_CANCELED;
break;
}
OHOS_OnTouch(e);
OHOS_UnlockPage();
}
// TODO mouse data