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tools: add swipe support to the event-gui

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Peter Hutterer 2015-05-22 10:40:16 +10:00
parent a29155c9cb
commit f3f2b312ea
1 changed files with 59 additions and 0 deletions
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59
tools/event-gui.c
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@ -72,6 +72,12 @@ struct window {
/* l/m/r mouse buttons */
int l, m, r;
/* touchpad swipe */
struct {
int nfingers;
double x, y;
} swipe;
struct libinput_device *devices[50];
};
@ -104,11 +110,28 @@ draw(GtkWidget *widget, cairo_t *cr, gpointer data)
{
struct window *w = data;
struct touch *t;
int i;
cairo_set_source_rgb(cr, 1, 1, 1);
cairo_rectangle(cr, 0, 0, w->width, w->height);
cairo_fill(cr);
/* swipe */
cairo_save(cr);
cairo_translate(cr, w->swipe.x, w->swipe.y);
for (i = 0; i < w->swipe.nfingers; i++) {
cairo_set_source_rgb(cr, .8, .8, .4);
cairo_arc(cr, (i - 2) * 40, 0, 20, 0, 2 * M_PI);
cairo_fill(cr);
}
for (i = 0; i < 4; i++) { /* 4 fg max */
cairo_set_source_rgb(cr, 0, 0, 0);
cairo_arc(cr, (i - 2) * 40, 0, 20, 0, 2 * M_PI);
cairo_stroke(cr);
}
cairo_restore(cr);
/* draw pointer sprite */
cairo_set_source_rgb(cr, 0, 0, 0);
cairo_save(cr);
@ -186,6 +209,9 @@ map_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
w->hx = w->width/2;
w->hy = w->height/2;
w->swipe.x = w->width/2;
w->swipe.y = w->height/2;
g_signal_connect(G_OBJECT(w->area), "draw", G_CALLBACK(draw), w);
window = gdk_event_get_window(event);
@ -428,6 +454,37 @@ handle_event_button(struct libinput_event *ev, struct window *w)
}
static void
handle_event_swipe(struct libinput_event *ev, struct window *w)
{
struct libinput_event_gesture *g = libinput_event_get_gesture_event(ev);
int nfingers;
double dx, dy;
nfingers = libinput_event_gesture_get_finger_count(g);
switch (libinput_event_get_type(ev)) {
case LIBINPUT_EVENT_GESTURE_SWIPE_BEGIN:
w->swipe.nfingers = nfingers;
w->swipe.x = w->width/2;
w->swipe.y = w->height/2;
break;
case LIBINPUT_EVENT_GESTURE_SWIPE_UPDATE:
dx = libinput_event_gesture_get_dx(g);
dy = libinput_event_gesture_get_dy(g);
w->swipe.x += dx;
w->swipe.y += dy;
break;
case LIBINPUT_EVENT_GESTURE_SWIPE_END:
w->swipe.nfingers = 0;
w->swipe.x = w->width/2;
w->swipe.y = w->height/2;
break;
default:
abort();
}
}
static gboolean
handle_event_libinput(GIOChannel *source, GIOCondition condition, gpointer data)
{
@ -476,6 +533,8 @@ handle_event_libinput(GIOChannel *source, GIOCondition condition, gpointer data)
case LIBINPUT_EVENT_GESTURE_SWIPE_BEGIN:
case LIBINPUT_EVENT_GESTURE_SWIPE_UPDATE:
case LIBINPUT_EVENT_GESTURE_SWIPE_END:
handle_event_swipe(ev, w);
break;
case LIBINPUT_EVENT_GESTURE_PINCH_BEGIN:
case LIBINPUT_EVENT_GESTURE_PINCH_UPDATE:
case LIBINPUT_EVENT_GESTURE_PINCH_END: