diff options
Diffstat (limited to 'src/udev/udev-builtin-input_id.c')
| -rw-r--r-- | src/udev/udev-builtin-input_id.c | 134 |
1 files changed, 72 insertions, 62 deletions
diff --git a/src/udev/udev-builtin-input_id.c b/src/udev/udev-builtin-input_id.c index 6d06cef07c..91a6141e26 100644 --- a/src/udev/udev-builtin-input_id.c +++ b/src/udev/udev-builtin-input_id.c @@ -133,79 +133,89 @@ static bool test_pointers(struct udev_device *dev, const unsigned long* bitmask_rel, const unsigned long* bitmask_props, bool test) { - int is_mouse = 0; - int is_touchpad = 0; - bool ret = false; - - if (test_bit(INPUT_PROP_ACCELEROMETER, bitmask_props)) { + bool has_abs_coordinates = false; + bool has_rel_coordinates = false; + bool has_joystick_axes_or_buttons = 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_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"); - ret = true; - } - return ret; - } - - 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"); - ret = true; - } 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_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_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"); - ret = true; - /* 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"); - ret = true; - } - } - - if (test_bit(INPUT_PROP_POINTING_STICK, bitmask_props)) { - udev_builtin_add_property(dev, test, "ID_INPUT_POINTINGSTICK", "1"); - ret = true; + is_mouse = true; + else if (has_touch) + is_touchscreen = true; + else if (has_joystick_axes_or_buttons) + is_joystick = 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_mouse) { + 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"); - ret = true; - } - if (is_touchpad) { + if (is_touchpad) udev_builtin_add_property(dev, test, "ID_INPUT_TOUCHPAD", "1"); - ret = true; - } - - return ret; + 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 */ |