PawletOS/external_libudev-zero
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add support for tablets, pointing sticks and accelerometers

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This commit is contained in:
illiliti
2020-08-09 07:05:09 +03:00
parent 9c681d6cad
commit ca956fa663
2 changed files with 25 additions and 9 deletions
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6
README.md
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@@ -37,10 +37,10 @@ TODO
* [x] speed up performance
* [ ] implement hotplugging support
* [ ] extend devices support (pull requests are welcome)
- [ ] tablets
- [x] tablets
- [ ] joysticks
- [ ] accelerometers
- [ ] pointing sticks
- [x] accelerometers
- [x] pointing sticks
Donate
------

28
udev_device.c
View File

@@ -356,11 +356,12 @@ static int find_bit(unsigned long *arr, int cnt, int bit)
static void udev_device_set_properties_from_evdev(struct udev_device *udev_device)
{
int ev_cnt, rel_cnt, key_cnt, abs_cnt, prop_cnt;
unsigned long prop_bits[BITS_SIZE] = {0};
unsigned long abs_bits[BITS_SIZE] = {0};
unsigned long rel_bits[BITS_SIZE] = {0};
unsigned long key_bits[BITS_SIZE] = {0};
unsigned long ev_bits[BITS_SIZE] = {0};
int ev_cnt, rel_cnt, key_cnt, abs_cnt;
struct udev_device *parent;
const char *subsystem;
@@ -388,8 +389,22 @@ static void udev_device_set_properties_from_evdev(struct udev_device *udev_devic
abs_cnt = populate_bit(abs_bits, udev_device_get_property_value(parent, "ABS"));
rel_cnt = populate_bit(rel_bits, udev_device_get_property_value(parent, "REL"));
key_cnt = populate_bit(key_bits, udev_device_get_property_value(parent, "KEY"));
prop_cnt = populate_bit(prop_bits, udev_device_get_property_value(parent, "PROP"));
// TODO iterate over KEY_*
// TODO iterate over KEY_* to find ID_INPUT_KEY or use exclusion method
udev_list_entry_add(&udev_device->properties, "ID_INPUT", "1", 0);
if (find_bit(prop_bits, prop_cnt, INPUT_PROP_POINTING_STICK)) {
udev_list_entry_add(&udev_device->properties, "ID_INPUT_POINTINGSTICK", "1", 0);
}
if (find_bit(prop_bits, prop_cnt, INPUT_PROP_ACCELEROMETER) ||
(find_bit(ev_bits, ev_cnt, EV_ABS) && !find_bit(ev_bits, ev_cnt, EV_KEY) &&
find_bit(abs_bits, abs_cnt, ABS_Y) && find_bit(abs_bits, abs_cnt, ABS_X) &&
find_bit(abs_bits, abs_cnt, ABS_Z))) {
udev_list_entry_add(&udev_device->properties, "ID_INPUT_ACCELEROMETER", "1", 0);
}
if (find_bit(ev_bits, ev_cnt, EV_SW)) {
if (find_bit(ev_bits, ev_cnt, EV_KEY)) {
@@ -410,7 +425,10 @@ static void udev_device_set_properties_from_evdev(struct udev_device *udev_devic
}
if (find_bit(ev_bits, ev_cnt, EV_ABS) && find_bit(abs_bits, abs_cnt, ABS_Y) && find_bit(abs_bits, abs_cnt, ABS_X)) {
if (find_bit(key_bits, key_cnt, BTN_TOUCH) && !find_bit(key_bits, key_cnt, BTN_TOOL_PEN)) {
if (find_bit(key_bits, key_cnt, BTN_STYLUS) || find_bit(key_bits, key_cnt, BTN_TOOL_PEN)) {
udev_list_entry_add(&udev_device->properties, "ID_INPUT_TABLET", "1", 0);
}
else if (find_bit(key_bits, key_cnt, BTN_TOUCH)) {
if (find_bit(key_bits, key_cnt, BTN_TOOL_FINGER)) {
udev_list_entry_add(&udev_device->properties, "ID_INPUT_TOUCHPAD", "1", 0);
}
@@ -419,11 +437,9 @@ static void udev_device_set_properties_from_evdev(struct udev_device *udev_devic
}
}
else if (find_bit(key_bits, key_cnt, BTN_MOUSE)) {
udev_list_entry_add(&udev_device->properties, "ID_INPUT_MOUSE", "1", 1);
udev_list_entry_add(&udev_device->properties, "ID_INPUT_MOUSE", "1", 0);
}
}
udev_list_entry_add(&udev_device->properties, "ID_INPUT", "1", 0);
}
struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath)