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Fix leds getting unset when closing the program

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dec05eba
2025-11-08 13:24:40 +01:00
parent f017f04bdc
commit 2506750243
6 changed files with 105 additions and 18 deletions
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42
tools/gsr-global-hotkeys/keyboard_event.c
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@@ -1,5 +1,6 @@
#include "keyboard_event.h"
#include "keys.h"
#include "leds.h"
/* C stdlib */
#include <stdio.h>
@@ -716,6 +717,41 @@ bool keyboard_event_init(keyboard_event *self, bool exclusive_grab, keyboard_gra
return true;
}
static void write_led_data_to_device(int fd, uint16_t led, int value) {
struct input_event led_data = {
.type = EV_LED,
.code = led,
.value = value
};
write(fd, &led_data, sizeof(led_data));
struct input_event syn_data = {
.type = EV_SYN,
.code = 0,
.value = 0
};
write(fd, &syn_data, sizeof(syn_data));
}
/* When the device is ungrabbed the leds are unset for some reason. Set them back to their previous brightness */
static void keyboard_event_device_deinit(int fd, event_extra_data *extra_data) {
ggh_leds leds;
const bool got_leds = get_leds(extra_data->dev_input_id, &leds);
ioctl(fd, EVIOCGRAB, 0);
if(got_leds) {
if(leds.scroll_lock_brightness >= 0)
write_led_data_to_device(fd, LED_SCROLLL, leds.scroll_lock_brightness);
if(leds.num_lock_brightness >= 0)
write_led_data_to_device(fd, LED_NUML, leds.num_lock_brightness);
if(leds.caps_lock_brightness >= 0)
write_led_data_to_device(fd, LED_CAPSL, leds.caps_lock_brightness);
}
close(fd);
}
void keyboard_event_deinit(keyboard_event *self) {
self->running = false;
@@ -732,8 +768,10 @@ void keyboard_event_deinit(keyboard_event *self) {
for(int i = 0; i < self->num_event_polls; ++i) {
if(self->event_polls[i].fd > 0) {
ioctl(self->event_polls[i].fd, EVIOCGRAB, 0);
close(self->event_polls[i].fd);
if(self->event_extra_data[i].dev_input_id > 0 && !self->event_extra_data[i].gsr_ui_virtual_keyboard)
keyboard_event_device_deinit(self->event_polls[i].fd, &self->event_extra_data[i]);
else
close(self->event_polls[i].fd);
}
free(self->event_extra_data[i].key_states);
free(self->event_extra_data[i].key_presses_grabbed);