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pen: Send virtual mouse motion without a button press when a pen is hovering.

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Fixes #11470.
This commit is contained in:
Ryan C. Gordon
2025-01-18 21:51:03 -05:00
parent 5da9d4ecc2
commit 32965b4bf1
1 changed files with 13 additions and 8 deletions
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7
src/events/SDL_pen.c
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@@ -488,9 +488,10 @@ void SDL_SendPenMotion(Uint64 timestamp, SDL_PenID instance_id, SDL_Window *wind
event.pmotion.y = y;
SDL_PushEvent(&event);
if (window && (pen_touching == instance_id)) {
if (window) {
SDL_Mouse *mouse = SDL_GetMouse();
if (mouse) {
if (pen_touching == instance_id) {
if (mouse->pen_mouse_events) {
SDL_SendMouseMotion(timestamp, window, SDL_PEN_MOUSEID, false, x, y);
}
@@ -500,6 +501,10 @@ void SDL_SendPenMotion(Uint64 timestamp, SDL_PenID instance_id, SDL_Window *wind
const float normalized_y = y / (float)window->h;
SDL_SendTouchMotion(timestamp, SDL_PEN_TOUCHID, SDL_BUTTON_LEFT, window, normalized_x, normalized_y, pen->axes[SDL_PEN_AXIS_PRESSURE]);
}
} else if (pen_touching == 0) { // send mouse motion (without a pressed button) for pens that aren't touching.
// this might cause a little chaos if you have multiple pens hovering at the same time, but this seems unlikely in the real world, and also something you did to yourself. :)
SDL_SendMouseMotion(timestamp, window, SDL_PEN_MOUSEID, false, x, y);
}
}
}
}