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Diffstat (limited to 'src/udev/udev-builtin-input_id.c')
-rw-r--r--src/udev/udev-builtin-input_id.c175
1 files changed, 119 insertions, 56 deletions
diff --git a/src/udev/udev-builtin-input_id.c b/src/udev/udev-builtin-input_id.c
index 46f1c539d2..e3fa4bc162 100644
--- a/src/udev/udev-builtin-input_id.c
+++ b/src/udev/udev-builtin-input_id.c
@@ -126,77 +126,122 @@ static void get_cap_mask(struct udev_device *dev,
}
/* pointer devices */
-static void test_pointers (struct udev_device *dev,
- const unsigned long* bitmask_ev,
- const unsigned long* bitmask_abs,
- const unsigned long* bitmask_key,
- const unsigned long* bitmask_rel,
- bool test) {
- int is_mouse = 0;
- int is_touchpad = 0;
-
- if (!test_bit (EV_KEY, bitmask_ev)) {
- if (test_bit (EV_ABS, bitmask_ev) &&
- test_bit (ABS_X, bitmask_abs) &&
- test_bit (ABS_Y, bitmask_abs) &&
- test_bit (ABS_Z, bitmask_abs))
- udev_builtin_add_property(dev, test, "ID_INPUT_ACCELEROMETER", "1");
- return;
+static bool test_pointers(struct udev_device *dev,
+ const unsigned long* bitmask_ev,
+ const unsigned long* bitmask_abs,
+ const unsigned long* bitmask_key,
+ const unsigned long* bitmask_rel,
+ const unsigned long* bitmask_props,
+ bool test) {
+ bool has_abs_coordinates = false;
+ bool has_rel_coordinates = false;
+ bool has_mt_coordinates = false;
+ bool has_joystick_axes_or_buttons = false;
+ bool is_direct = false;
+ bool has_touch = false;
+ bool has_3d_coordinates = false;
+ bool has_keys = false;
+ bool stylus_or_pen = false;
+ bool finger_but_no_pen = false;
+ bool has_mouse_button = false;
+ bool is_mouse = false;
+ bool is_touchpad = false;
+ bool is_touchscreen = false;
+ bool is_tablet = false;
+ bool is_joystick = false;
+ bool is_accelerometer = false;
+ bool is_pointing_stick= false;
+
+ has_keys = test_bit(EV_KEY, bitmask_ev);
+ has_abs_coordinates = test_bit(ABS_X, bitmask_abs) && test_bit(ABS_Y, bitmask_abs);
+ has_3d_coordinates = has_abs_coordinates && test_bit(ABS_Z, bitmask_abs);
+ is_accelerometer = test_bit(INPUT_PROP_ACCELEROMETER, bitmask_props);
+
+ if (!has_keys && has_3d_coordinates)
+ is_accelerometer = true;
+
+ if (is_accelerometer) {
+ udev_builtin_add_property(dev, test, "ID_INPUT_ACCELEROMETER", "1");
+ return true;
}
- if (test_bit (EV_ABS, bitmask_ev) &&
- test_bit (ABS_X, bitmask_abs) && test_bit (ABS_Y, bitmask_abs)) {
- if (test_bit (BTN_STYLUS, bitmask_key) || test_bit (BTN_TOOL_PEN, bitmask_key))
- udev_builtin_add_property(dev, test, "ID_INPUT_TABLET", "1");
- else if (test_bit (BTN_TOOL_FINGER, bitmask_key) && !test_bit (BTN_TOOL_PEN, bitmask_key))
- is_touchpad = 1;
- else if (test_bit (BTN_MOUSE, bitmask_key))
+ is_pointing_stick = test_bit(INPUT_PROP_POINTING_STICK, bitmask_props);
+ stylus_or_pen = test_bit(BTN_STYLUS, bitmask_key) || test_bit(BTN_TOOL_PEN, bitmask_key);
+ finger_but_no_pen = test_bit(BTN_TOOL_FINGER, bitmask_key) && !test_bit(BTN_TOOL_PEN, bitmask_key);
+ has_mouse_button = test_bit(BTN_LEFT, bitmask_key);
+ has_rel_coordinates = test_bit(EV_REL, bitmask_ev) && test_bit(REL_X, bitmask_rel) && test_bit(REL_Y, bitmask_rel);
+ has_mt_coordinates = test_bit(ABS_MT_POSITION_X, bitmask_abs) && test_bit(ABS_MT_POSITION_Y, bitmask_abs);
+
+ /* unset has_mt_coordinates if devices claims to have all abs axis */
+ if(has_mt_coordinates && test_bit(ABS_MT_SLOT, bitmask_abs) && test_bit(ABS_MT_SLOT - 1, bitmask_abs))
+ has_mt_coordinates = false;
+ is_direct = test_bit(INPUT_PROP_DIRECT, bitmask_props);
+ has_touch = test_bit(BTN_TOUCH, bitmask_key);
+ /* joysticks don't necessarily have buttons; e. g.
+ * rudders/pedals are joystick-like, but buttonless; they have
+ * other fancy axes */
+ has_joystick_axes_or_buttons = test_bit(BTN_TRIGGER, bitmask_key) ||
+ test_bit(BTN_A, bitmask_key) ||
+ test_bit(BTN_1, bitmask_key) ||
+ test_bit(ABS_RX, bitmask_abs) ||
+ test_bit(ABS_RY, bitmask_abs) ||
+ test_bit(ABS_RZ, bitmask_abs) ||
+ test_bit(ABS_THROTTLE, bitmask_abs) ||
+ test_bit(ABS_RUDDER, bitmask_abs) ||
+ test_bit(ABS_WHEEL, bitmask_abs) ||
+ test_bit(ABS_GAS, bitmask_abs) ||
+ test_bit(ABS_BRAKE, bitmask_abs);
+
+ if (has_abs_coordinates) {
+ if (stylus_or_pen)
+ is_tablet = true;
+ else if (finger_but_no_pen && !is_direct)
+ is_touchpad = true;
+ else if (has_mouse_button)
/* This path is taken by VMware's USB mouse, which has
* absolute axes, but no touch/pressure button. */
- is_mouse = 1;
- else if (test_bit (BTN_TOUCH, bitmask_key))
- udev_builtin_add_property(dev, test, "ID_INPUT_TOUCHSCREEN", "1");
- /* joysticks don't necessarily have to have buttons; e. g.
- * rudders/pedals are joystick-like, but buttonless; they have
- * other fancy axes */
- else if (test_bit (BTN_TRIGGER, bitmask_key) ||
- test_bit (BTN_A, bitmask_key) ||
- test_bit (BTN_1, bitmask_key) ||
- test_bit (ABS_RX, bitmask_abs) ||
- test_bit (ABS_RY, bitmask_abs) ||
- test_bit (ABS_RZ, bitmask_abs) ||
- test_bit (ABS_THROTTLE, bitmask_abs) ||
- test_bit (ABS_RUDDER, bitmask_abs) ||
- test_bit (ABS_WHEEL, bitmask_abs) ||
- test_bit (ABS_GAS, bitmask_abs) ||
- test_bit (ABS_BRAKE, bitmask_abs))
- udev_builtin_add_property(dev, test, "ID_INPUT_JOYSTICK", "1");
+ is_mouse = true;
+ else if (has_touch)
+ is_touchscreen = true;
+ else if (has_joystick_axes_or_buttons)
+ is_joystick = true;
}
+ if (has_mt_coordinates && is_direct)
+ is_touchscreen = true;
- if (test_bit (EV_REL, bitmask_ev) &&
- test_bit (REL_X, bitmask_rel) && test_bit (REL_Y, bitmask_rel) &&
- test_bit (BTN_MOUSE, bitmask_key))
- is_mouse = 1;
+ if (has_rel_coordinates && has_mouse_button)
+ is_mouse = true;
+ if (is_pointing_stick)
+ udev_builtin_add_property(dev, test, "ID_INPUT_POINTINGSTICK", "1");
if (is_mouse)
udev_builtin_add_property(dev, test, "ID_INPUT_MOUSE", "1");
if (is_touchpad)
udev_builtin_add_property(dev, test, "ID_INPUT_TOUCHPAD", "1");
+ if (is_touchscreen)
+ udev_builtin_add_property(dev, test, "ID_INPUT_TOUCHSCREEN", "1");
+ if (is_joystick)
+ udev_builtin_add_property(dev, test, "ID_INPUT_JOYSTICK", "1");
+ if (is_tablet)
+ udev_builtin_add_property(dev, test, "ID_INPUT_TABLET", "1");
+
+ return is_tablet || is_mouse || is_touchpad || is_touchscreen || is_joystick || is_pointing_stick;
}
/* key like devices */
-static void test_key (struct udev_device *dev,
- const unsigned long* bitmask_ev,
- const unsigned long* bitmask_key,
- bool test) {
+static bool test_key(struct udev_device *dev,
+ const unsigned long* bitmask_ev,
+ const unsigned long* bitmask_key,
+ bool test) {
unsigned i;
unsigned long found;
unsigned long mask;
+ bool ret = false;
/* do we have any KEY_* capability? */
- if (!test_bit (EV_KEY, bitmask_ev)) {
+ if (!test_bit(EV_KEY, bitmask_ev)) {
log_debug("test_key: no EV_KEY capability");
- return;
+ return false;
}
/* only consider KEY_* here, not BTN_* */
@@ -208,7 +253,7 @@ static void test_key (struct udev_device *dev,
/* If there are no keys in the lower block, check the higher block */
if (!found) {
for (i = KEY_OK; i < BTN_TRIGGER_HAPPY; ++i) {
- if (test_bit (i, bitmask_key)) {
+ if (test_bit(i, bitmask_key)) {
log_debug("test_key: Found key %x in high block", i);
found = 1;
break;
@@ -216,14 +261,20 @@ static void test_key (struct udev_device *dev,
}
}
- if (found > 0)
+ if (found > 0) {
udev_builtin_add_property(dev, test, "ID_INPUT_KEY", "1");
+ ret = true;
+ }
/* the first 32 bits are ESC, numbers, and Q to D; if we have all of
* those, consider it a full keyboard; do not test KEY_RESERVED, though */
mask = 0xFFFFFFFE;
- if ((bitmask_key[0] & mask) == mask)
+ if ((bitmask_key[0] & mask) == mask) {
udev_builtin_add_property(dev, test, "ID_INPUT_KEYBOARD", "1");
+ ret = true;
+ }
+
+ return ret;
}
static int builtin_input_id(struct udev_device *dev, int argc, char *argv[], bool test) {
@@ -232,7 +283,12 @@ static int builtin_input_id(struct udev_device *dev, int argc, char *argv[], boo
unsigned long bitmask_abs[NBITS(ABS_MAX)];
unsigned long bitmask_key[NBITS(KEY_MAX)];
unsigned long bitmask_rel[NBITS(REL_MAX)];
+ unsigned long bitmask_props[NBITS(INPUT_PROP_MAX)];
const char *sysname, *devnode;
+ bool is_pointer;
+ bool is_key;
+
+ assert(dev);
/* walk up the parental chain until we find the real input device; the
* argument is very likely a subdevice of this, like eventN */
@@ -248,8 +304,15 @@ static int builtin_input_id(struct udev_device *dev, int argc, char *argv[], boo
get_cap_mask(dev, pdev, "capabilities/abs", bitmask_abs, sizeof(bitmask_abs), test);
get_cap_mask(dev, pdev, "capabilities/rel", bitmask_rel, sizeof(bitmask_rel), test);
get_cap_mask(dev, pdev, "capabilities/key", bitmask_key, sizeof(bitmask_key), test);
- test_pointers(dev, bitmask_ev, bitmask_abs, bitmask_key, bitmask_rel, test);
- test_key(dev, bitmask_ev, bitmask_key, test);
+ get_cap_mask(dev, pdev, "properties", bitmask_props, sizeof(bitmask_props), test);
+ is_pointer = test_pointers(dev, bitmask_ev, bitmask_abs,
+ bitmask_key, bitmask_rel,
+ bitmask_props, test);
+ is_key = test_key(dev, bitmask_ev, bitmask_key, test);
+ /* Some evdev nodes have only a scrollwheel */
+ if (!is_pointer && !is_key && test_bit(EV_REL, bitmask_ev) &&
+ (test_bit(REL_WHEEL, bitmask_rel) || test_bit(REL_HWHEEL, bitmask_rel)))
+ udev_builtin_add_property(dev, test, "ID_INPUT_KEY", "1");
}
devnode = udev_device_get_devnode(dev);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-23 07:19:47 +0000