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[input] Drop unfocused evdev axis/button events

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The kernel knows nothing about X11 application focus, so we need to take
care of it ourselves.

Device add/remove events are unaffected: the are always passed on.
This commit is contained in:
Bill Currie 2021-11-22 14:32:19 +09:00
parent ce8eac5ca0
commit bc0451634a
1 changed files with 24 additions and 0 deletions
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24
libs/input/in_evdev.c
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@ -56,6 +56,7 @@ typedef struct devmap_s {
} devmap_t;
static int evdev_driver_handle = -1;
static int evdev_have_focus;
static PR_RESMAP (devmap_t) devmap;
static devmap_t *devmap_list;
@ -96,6 +97,10 @@ in_evdev_get_device_event_data (void *device, void *data)
static void
in_evdev_axis_event (axis_t *axis, void *_dm)
{
if (!evdev_have_focus) {
return;
}
devmap_t *dm = _dm;
//Sys_Printf ("in_evdev_axis_event: %d %d\n", axis->num, axis->value);
@ -115,6 +120,10 @@ in_evdev_axis_event (axis_t *axis, void *_dm)
static void
in_evdev_button_event (button_t *button, void *_dm)
{
if (!evdev_have_focus) {
return;
}
devmap_t *dm = _dm;
//Sys_Printf ("in_evdev_button_event: %d %d\n", button->num, button->state);
@ -252,10 +261,25 @@ static in_driver_t in_evdev_driver = {
.button_info = in_evdev_button_info,
};
static int
in_evdev_evend_handler (const IE_event_t *event, void *data)
{
if (event->type == ie_app_gain_focus) {
evdev_have_focus = 1;
return 1;
} else if (event->type == ie_app_lose_focus) {
evdev_have_focus = 0;
return 1;
}
return 0;
}
static void __attribute__((constructor))
in_evdev_register_driver (void)
{
evdev_driver_handle = IN_RegisterDriver (&in_evdev_driver, 0);
//FIXME probably shouldn't be here
IE_Add_Handler (in_evdev_evend_handler, 0);
}
int in_evdev_force_link;