#include "evdev.h"
#include "filter.h"
+#include "timer.h"
#define TOUCHPAD_HISTORY_LENGTH 4
#define TOUCHPAD_MIN_SAMPLES 4
+#define VENDOR_ID_APPLE 0x5ac
+
enum touchpad_event {
TOUCHPAD_EVENT_NONE = 0,
TOUCHPAD_EVENT_MOTION = (1 << 0),
TOUCH_END
};
-enum scroll_state {
- SCROLL_STATE_NONE,
- SCROLL_STATE_SCROLLING
+enum button_event {
+ BUTTON_EVENT_IN_BOTTOM_R = 30,
+ BUTTON_EVENT_IN_BOTTOM_L,
+ BUTTON_EVENT_IN_TOP_R,
+ BUTTON_EVENT_IN_TOP_M,
+ BUTTON_EVENT_IN_TOP_L,
+ BUTTON_EVENT_IN_AREA,
+ BUTTON_EVENT_UP,
+ BUTTON_EVENT_PRESS,
+ BUTTON_EVENT_RELEASE,
+ BUTTON_EVENT_TIMEOUT,
+};
+
+enum button_state {
+ BUTTON_STATE_NONE,
+ BUTTON_STATE_AREA,
+ BUTTON_STATE_BOTTOM,
+ BUTTON_STATE_TOP,
+ BUTTON_STATE_TOP_NEW,
+ BUTTON_STATE_TOP_TO_IGNORE,
+ BUTTON_STATE_IGNORE,
};
enum tp_tap_state {
TAP_STATE_DEAD, /**< finger count exceeded */
};
+enum tp_tap_touch_state {
+ TAP_TOUCH_STATE_IDLE = 16, /**< not in touch */
+ TAP_TOUCH_STATE_TOUCH, /**< touching, may tap */
+ TAP_TOUCH_STATE_DEAD, /**< exceeded motion/timeout */
+};
+
struct tp_motion {
int32_t x;
int32_t y;
};
struct tp_touch {
+ struct tp_dispatch *tp;
enum touch_state state;
bool dirty;
- bool fake; /* a fake touch */
bool is_pointer; /* the pointer-controlling touch */
- bool is_pinned; /* holds the phys. button */
int32_t x;
int32_t y;
- uint32_t millis;
+ uint64_t millis;
struct {
struct tp_motion samples[TOUCHPAD_HISTORY_LENGTH];
int32_t center_x;
int32_t center_y;
} hysteresis;
+
+ /* A pinned touchpoint is the one that pressed the physical button
+ * on a clickpad. After the release, it won't move until the center
+ * moves more than a threshold away from the original coordinates
+ */
+ struct {
+ bool is_pinned;
+ int32_t center_x;
+ int32_t center_y;
+ } pinned;
+
+ /* Software-button state and timeout if applicable */
+ struct {
+ enum button_state state;
+ /* We use button_event here so we can use == on events */
+ enum button_event curr;
+ struct libinput_timer timer;
+ } button;
+
+ struct {
+ enum tp_tap_touch_state state;
+ } tap;
+
+ struct {
+ bool is_palm;
+ int32_t x, y; /* first coordinates if is_palm == true */
+ uint32_t time; /* first timestamp if is_palm == true */
+ } palm;
};
struct tp_dispatch {
struct evdev_dispatch base;
struct evdev_device *device;
unsigned int nfingers_down; /* number of fingers down */
+ unsigned int old_nfingers_down; /* previous no fingers down */
unsigned int slot; /* current slot */
bool has_mt;
+ bool semi_mt;
- unsigned int ntouches; /* number of slots */
+ unsigned int real_touches; /* number of slots */
+ unsigned int ntouches; /* no slots inc. fakes */
struct tp_touch *touches; /* len == ntouches */
unsigned int fake_touches; /* fake touch mask */
struct motion_filter *filter;
struct {
- double constant_factor;
- double min_factor;
- double max_factor;
+ double x_scale_coeff;
+ double y_scale_coeff;
} accel;
struct {
- bool has_buttons; /* true for physical LMR buttons */
+ bool is_clickpad; /* true for clickpads */
+ bool has_topbuttons;
+ bool use_clickfinger; /* number of fingers decides button number */
+ bool click_pending;
uint32_t state;
uint32_t old_state;
- } buttons; /* physical buttons */
+ uint32_t motion_dist; /* for pinned touches */
+ unsigned int active; /* currently active button, for release event */
+ bool active_is_topbutton; /* is active a top button? */
- struct {
- enum scroll_state state;
- enum libinput_pointer_axis direction;
- } scroll;
+ /* Only used for clickpads. The software button areas are
+ * always 2 horizontal stripes across the touchpad.
+ * The buttons are split according to the edge settings.
+ */
+ struct {
+ int32_t top_edge;
+ int32_t rightbutton_left_edge;
+ } bottom_area;
+
+ struct {
+ int32_t bottom_edge;
+ int32_t rightbutton_left_edge;
+ int32_t leftbutton_right_edge;
+ } top_area;
+
+ struct evdev_device *trackpoint;
+ } buttons; /* physical buttons */
enum touchpad_event queued;
struct {
+ struct libinput_device_config_tap config;
bool enabled;
- int timer_fd;
- struct libinput_source *source;
- unsigned int timeout;
+ struct libinput_timer timer;
enum tp_tap_state state;
} tap;
+
+ struct {
+ int32_t right_edge;
+ int32_t left_edge;
+ } palm;
+
+ struct {
+ struct libinput_device_config_send_events config;
+ enum libinput_config_send_events_mode current_mode;
+ } sendevents;
};
#define tp_for_each_touch(_tp, _t) \
void
tp_get_delta(struct tp_touch *t, double *dx, double *dy);
-int
-tp_tap_handle_state(struct tp_dispatch *tp, uint32_t time);
+void
+tp_set_pointer(struct tp_dispatch *tp, struct tp_touch *t);
-unsigned int
-tp_tap_handle_timeout(struct tp_dispatch *tp, uint32_t time);
+int
+tp_tap_handle_state(struct tp_dispatch *tp, uint64_t time);
int
tp_init_tap(struct tp_dispatch *tp);
+void
+tp_destroy_tap(struct tp_dispatch *tp);
+
+int
+tp_init_buttons(struct tp_dispatch *tp, struct evdev_device *device);
+
+void
+tp_init_softbuttons(struct tp_dispatch *tp,
+ struct evdev_device *device,
+ double topbutton_size_mult);
+
+void
+tp_destroy_buttons(struct tp_dispatch *tp);
+
+int
+tp_process_button(struct tp_dispatch *tp,
+ const struct input_event *e,
+ uint64_t time);
+
+void
+tp_release_all_buttons(struct tp_dispatch *tp,
+ uint64_t time);
+
+int
+tp_post_button_events(struct tp_dispatch *tp, uint64_t time);
+
+int
+tp_button_handle_state(struct tp_dispatch *tp, uint64_t time);
+
+int
+tp_button_touch_active(struct tp_dispatch *tp, struct tp_touch *t);
+
+bool
+tp_button_is_inside_softbutton_area(struct tp_dispatch *tp, struct tp_touch *t);
+
+void
+tp_release_all_taps(struct tp_dispatch *tp,
+ uint64_t time);
+
#endif