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Guarantee that pens are in proximity before motion and button events

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This also delays pen proximity out events to make sure that the pen is really gone before delivering them. On Android, you get a HOVER_EXIT event when the pen contacts the surface, which we don't want to treat as the pen leaving proximity.
This commit is contained in:
Sam Lantinga
2026-02-05 10:21:08 -08:00
parent cd7fc90c87
commit bddf6d3e2a
9 changed files with 77 additions and 25 deletions
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4
src/video/android/SDL_androidpen.c
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@@ -78,12 +78,12 @@ void Android_OnPen(SDL_Window *window, int pen_id_in, SDL_PenDeviceType device_t
// we don't compare tip flags above because MotionEvent.getButtonState doesn't return stylus tip/eraser state.
switch (action) {
case ACTION_HOVER_ENTER:
SDL_SendPenProximity(0, pen, window, true);
SDL_SendPenProximity(0, pen, window, true, true);
break;
case ACTION_CANCEL:
case ACTION_HOVER_EXIT: // strictly speaking, this can mean both "proximity out" and "left the View" but close enough.
SDL_SendPenProximity(0, pen, window, false);
SDL_SendPenProximity(0, pen, window, false, false);
break;
case ACTION_DOWN: