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tools: keep a list of devices around for run-time changes

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Hard-coded to 50 devices, because for a debugging tool that's plenty.

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 2014-07-04 08:56:44 +10:00
parent 1dfb248ab9
commit 3b0c97c78b
1 changed files with 36 additions and 0 deletions
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36
tools/event-gui.c
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@ -67,6 +67,8 @@ struct window {
/* l/m/r mouse buttons */
int l, m, r;
struct libinput_device *devices[50];
};
static int
@ -211,11 +213,24 @@ window_init(struct window *w)
gtk_widget_show_all(w->win);
}
static void
window_cleanup(struct window *w)
{
struct libinput_device **dev;
ARRAY_FOR_EACH(w->devices, dev) {
if (*dev)
libinput_device_unref(*dev);
}
}
static void
handle_event_device_notify(struct libinput_event *ev)
{
struct libinput_device *dev = libinput_event_get_device(ev);
struct libinput *li;
struct window *w;
const char *type;
int i;
if (libinput_event_get_type(ev) == LIBINPUT_EVENT_DEVICE_ADDED)
type = "added";
@ -232,6 +247,26 @@ handle_event_device_notify(struct libinput_event *ev)
error("%s: Failed to enable tapping\n",
libinput_device_get_sysname(dev));
}
li = libinput_event_get_context(ev);
w = libinput_get_user_data(li);
if (libinput_event_get_type(ev) == LIBINPUT_EVENT_DEVICE_ADDED) {
for (i = 0; i < ARRAY_LENGTH(w->devices); i++) {
if (w->devices[i] == NULL) {
w->devices[i] = libinput_device_ref(dev);
break;
}
}
} else {
for (i = 0; i < ARRAY_LENGTH(w->devices); i++) {
if (w->devices[i] == dev) {
libinput_device_unref(w->devices[i]);
w->devices[i] = NULL;
break;
}
}
}
}
static void
@ -474,6 +509,7 @@ main(int argc, char *argv[])
gtk_main();
window_cleanup(&w);
libinput_unref(li);
udev_unref(udev);