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input: fix rotation for tilt

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The transformation for relative coordinates
is different than for absolute coordinates.
This commit is contained in:
Jens Peters 2024-07-05 06:05:35 +02:00 • committed by Johan Malm
parent ba9de228e0
commit b663c9ea46
1 changed files with 28 additions and 1 deletions
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29
src/input/tablet.c
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@ -83,6 +83,30 @@ adjust_for_rotation(enum rotation rotation, double *x, double *y)
}
}
static void
adjust_for_rotation_relative(enum rotation rotation, double *dx, double *dy)
{
double tmp;
switch (rotation) {
case LAB_ROTATE_NONE:
break;
case LAB_ROTATE_90:
tmp = *dx;
*dx = -*dy;
*dy = tmp;
break;
case LAB_ROTATE_180:
*dx = -*dx;
*dy = -*dy;
break;
case LAB_ROTATE_270:
tmp = *dx;
*dx = *dy;
*dy = -tmp;
break;
}
}
static struct wlr_surface*
tablet_get_coords(struct drawing_tablet *tablet, double *x, double *y)
{
@ -228,6 +252,9 @@ handle_axis(struct wl_listener *listener, void *data)
return;
}
tablet->tilt_x = 0;
tablet->tilt_y = 0;
if (ev->updated_axes & WLR_TABLET_TOOL_AXIS_X) {
tablet->x = ev->x;
}
@ -299,7 +326,7 @@ handle_axis(struct wl_listener *listener, void *data)
*/
double tilt_x = tablet->tilt_x;
double tilt_y = tablet->tilt_y;
adjust_for_rotation(rc.tablet.rotation, &tilt_x, &tilt_y);
adjust_for_rotation_relative(rc.tablet.rotation, &tilt_x, &tilt_y);
wlr_tablet_v2_tablet_tool_notify_tilt(tool->tool_v2,
tilt_x, tilt_y);