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tools: debug-*: show unaccelerated deltas for pointer events

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2018-08-07 12:42:40 +10:00
parent 28fc00b5f7
commit f78d6669e5
2 changed files with 39 additions and 1 deletions
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4
tools/libinput-debug-events.c
View file

@ -316,10 +316,12 @@ print_motion_event(struct libinput_event *ev)
struct libinput_event_pointer *p = libinput_event_get_pointer_event(ev);
double x = libinput_event_pointer_get_dx(p);
double y = libinput_event_pointer_get_dy(p);
double ux = libinput_event_pointer_get_dx_unaccelerated(p);
double uy = libinput_event_pointer_get_dy_unaccelerated(p);
print_event_time(libinput_event_pointer_get_time(p));
printq("%6.2f/%6.2f\n", x, y);
printq("%6.2f/%6.2f (%+6.2f/%+6.2f)\n", x, y, ux, uy);
}
static void

36
tools/libinput-debug-gui.c
View file

@ -64,6 +64,11 @@ struct window {
/* sprite position */
double x, y;
/* these are for the delta coordinates, but they're not
* deltas, they are converted into abs positions */
size_t ndeltas;
struct point deltas[64];
/* abs position */
int absx, absy;
@ -268,6 +273,26 @@ draw_tablet(struct window *w, cairo_t *cr)
cairo_fill(cr);
cairo_restore(cr);
/* pointer deltas */
mask = ARRAY_LENGTH(w->deltas);
first = max(w->ndeltas + 1, mask) - mask;
last = w->ndeltas;
cairo_save(cr);
cairo_set_source_rgb(cr, .8, .5, .2);
x = w->deltas[first % mask].x;
y = w->deltas[first % mask].y;
cairo_move_to(cr, x, y);
for (i = first + 1; i < last; i++) {
x = w->deltas[i % mask].x;
y = w->deltas[i % mask].y;
cairo_line_to(cr, x, y);
}
cairo_stroke(cr);
/* tablet deltas */
mask = ARRAY_LENGTH(w->tool.deltas);
first = max(w->tool.ndeltas + 1, mask) - mask;
@ -541,11 +566,22 @@ handle_event_motion(struct libinput_event *ev, struct window *w)
struct libinput_event_pointer *p = libinput_event_get_pointer_event(ev);
double dx = libinput_event_pointer_get_dx(p),
dy = libinput_event_pointer_get_dy(p);
struct point point;
const int mask = ARRAY_LENGTH(w->deltas);
size_t idx;
w->x += dx;
w->y += dy;
w->x = clip(w->x, 0.0, w->width);
w->y = clip(w->y, 0.0, w->height);
idx = w->ndeltas % mask;
point = w->deltas[idx];
idx = (w->ndeltas + 1) % mask;
point.x += libinput_event_pointer_get_dx_unaccelerated(p);
point.y += libinput_event_pointer_get_dy_unaccelerated(p);
w->deltas[idx] = point;
w->ndeltas++;
}
static void