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Add option to only grab virtual devices, to support input remapping software

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dec05eba
2025-01-04 05:39:16 +01:00
parent f379b87b33
commit 52ce22ae22
10 changed files with 108 additions and 28 deletions
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33
tools/gsr-global-hotkeys/keyboard_event.c
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@@ -213,11 +213,41 @@ static bool keyboard_event_has_event_with_dev_input_fd(keyboard_event *self, int
return false;
}
/* TODO: Is there a more efficient way to do this? */
static bool dev_input_is_virtual(int dev_input_id) {
DIR *dir = opendir("/sys/devices/virtual/input");
if(!dir)
return false;
bool is_virtual = false;
char virtual_input_filepath[1024];
for(;;) {
struct dirent *entry = readdir(dir);
if(!entry)
break;
if(strncmp(entry->d_name, "input", 5) != 0)
continue;
snprintf(virtual_input_filepath, sizeof(virtual_input_filepath), "/sys/devices/virtual/input/%s/event%d", entry->d_name, dev_input_id);
if(access(virtual_input_filepath, F_OK) == 0) {
is_virtual = true;
break;
}
}
closedir(dir);
return is_virtual;
}
static bool keyboard_event_try_add_device_if_keyboard(keyboard_event *self, const char *dev_input_filepath) {
const int dev_input_id = get_dev_input_id_from_filepath(dev_input_filepath);
if(dev_input_id == -1)
return false;
if(self->grab_type == KEYBOARD_GRAB_TYPE_VIRTUAL && !dev_input_is_virtual(dev_input_id))
return false;
if(keyboard_event_has_event_with_dev_input_fd(self, dev_input_id))
return false;
@@ -373,10 +403,11 @@ static int setup_virtual_keyboard_input(const char *name) {
return fd;
}
bool keyboard_event_init(keyboard_event *self, bool poll_stdout_error, bool exclusive_grab) {
bool keyboard_event_init(keyboard_event *self, bool poll_stdout_error, bool exclusive_grab, keyboard_grab_type grab_type) {
memset(self, 0, sizeof(*self));
self->stdout_event_index = -1;
self->hotplug_event_index = -1;
self->grab_type = grab_type;
if(exclusive_grab) {
self->uinput_fd = setup_virtual_keyboard_input(GSR_UI_VIRTUAL_KEYBOARD_NAME);