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Merge pull request #418 from acrisci/feature/wlr-seat-touch 

wlr-seat: touch
This commit is contained in:
Drew DeVault 2017-11-18 14:14:03 -05:00 committed by GitHub
parent 9f552d896f 458fe633df
commit fa36ac90f7
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
17 changed files with 909 additions and 152 deletions
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8
backend/libinput/touch.c
View File

@ -33,7 +33,7 @@ void handle_touch_down(struct libinput_event *event,
wlr_event.device = wlr_dev;
wlr_event.time_msec =
usec_to_msec(libinput_event_touch_get_time_usec(tevent));
wlr_event.slot = libinput_event_touch_get_slot(tevent);
wlr_event.touch_id = libinput_event_touch_get_slot(tevent);
wlr_event.x_mm = libinput_event_touch_get_x(tevent);
wlr_event.y_mm = libinput_event_touch_get_y(tevent);
libinput_device_get_size(libinput_dev, &wlr_event.width_mm, &wlr_event.height_mm);
@ -54,7 +54,7 @@ void handle_touch_up(struct libinput_event *event,
wlr_event.device = wlr_dev;
wlr_event.time_msec =
usec_to_msec(libinput_event_touch_get_time_usec(tevent));
wlr_event.slot = libinput_event_touch_get_slot(tevent);
wlr_event.touch_id = libinput_event_touch_get_slot(tevent);
wl_signal_emit(&wlr_dev->touch->events.up, &wlr_event);
}
@ -72,7 +72,7 @@ void handle_touch_motion(struct libinput_event *event,
wlr_event.device = wlr_dev;
wlr_event.time_msec =
usec_to_msec(libinput_event_touch_get_time_usec(tevent));
wlr_event.slot = libinput_event_touch_get_slot(tevent);
wlr_event.touch_id = libinput_event_touch_get_slot(tevent);
wlr_event.x_mm = libinput_event_touch_get_x(tevent);
wlr_event.y_mm = libinput_event_touch_get_y(tevent);
libinput_device_get_size(libinput_dev, &wlr_event.width_mm, &wlr_event.height_mm);
@ -93,6 +93,6 @@ void handle_touch_cancel(struct libinput_event *event,
wlr_event.device = wlr_dev;
wlr_event.time_msec =
usec_to_msec(libinput_event_touch_get_time_usec(tevent));
wlr_event.slot = libinput_event_touch_get_slot(tevent);
wlr_event.touch_id = libinput_event_touch_get_slot(tevent);
wl_signal_emit(&wlr_dev->touch->events.cancel, &wlr_event);
}

8
examples/pointer.c
View File

@ -55,7 +55,7 @@ struct sample_state {
};
struct touch_point {
int32_t slot;
int32_t touch_id;
double x, y;
};
@ -199,7 +199,7 @@ static void handle_touch_up(struct wl_listener *listener, void *data) {
struct wlr_event_touch_up *event = data;
for (size_t i = 0; i < sample->touch_points->length; ++i) {
struct touch_point *point = sample->touch_points->items[i];
if (point->slot == event->slot) {
if (point->touch_id == event->touch_id) {
wlr_list_del(sample->touch_points, i);
break;
}
@ -212,7 +212,7 @@ static void handle_touch_down(struct wl_listener *listener, void *data) {
struct sample_state *sample = wl_container_of(listener, sample, touch_down);
struct wlr_event_touch_down *event = data;
struct touch_point *point = calloc(1, sizeof(struct touch_point));
point->slot = event->slot;
point->touch_id = event->touch_id;
point->x = event->x_mm / event->width_mm;
point->y = event->y_mm / event->height_mm;
if (wlr_list_add(sample->touch_points, point) == -1) {
@ -228,7 +228,7 @@ static void handle_touch_motion(struct wl_listener *listener, void *data) {
struct wlr_event_touch_motion *event = data;
for (size_t i = 0; i < sample->touch_points->length; ++i) {
struct touch_point *point = sample->touch_points->items[i];
if (point->slot == event->slot) {
if (point->touch_id == event->touch_id) {
point->x = event->x_mm / event->width_mm;
point->y = event->y_mm / event->height_mm;
break;

8
examples/support/shared.c
View File

@ -136,7 +136,7 @@ static void touch_down_notify(struct wl_listener *listener, void *data) {
struct wlr_event_touch_down *event = data;
struct touch_state *tstate = wl_container_of(listener, tstate, down);
if (tstate->compositor->touch_down_cb) {
tstate->compositor->touch_down_cb(tstate, event->slot,
tstate->compositor->touch_down_cb(tstate, event->touch_id,
event->x_mm, event->y_mm, event->width_mm, event->height_mm);
}
}
@ -145,7 +145,7 @@ static void touch_motion_notify(struct wl_listener *listener, void *data) {
struct wlr_event_touch_motion *event = data;
struct touch_state *tstate = wl_container_of(listener, tstate, motion);
if (tstate->compositor->touch_motion_cb) {
tstate->compositor->touch_motion_cb(tstate, event->slot,
tstate->compositor->touch_motion_cb(tstate, event->touch_id,
event->x_mm, event->y_mm, event->width_mm, event->height_mm);
}
}
@ -154,7 +154,7 @@ static void touch_up_notify(struct wl_listener *listener, void *data) {
struct wlr_event_touch_up *event = data;
struct touch_state *tstate = wl_container_of(listener, tstate, up);
if (tstate->compositor->touch_up_cb) {
tstate->compositor->touch_up_cb(tstate, event->slot);
tstate->compositor->touch_up_cb(tstate, event->touch_id);
}
}
@ -162,7 +162,7 @@ static void touch_cancel_notify(struct wl_listener *listener, void *data) {
struct wlr_event_touch_cancel *event = data;
struct touch_state *tstate = wl_container_of(listener, tstate, cancel);
if (tstate->compositor->touch_cancel_cb) {
tstate->compositor->touch_cancel_cb(tstate, event->slot);
tstate->compositor->touch_cancel_cb(tstate, event->touch_id);
}
}

8
examples/support/shared.h
View File

@ -95,12 +95,12 @@ struct compositor_state {
enum wlr_axis_source source,
enum wlr_axis_orientation orientation,
double delta);
void (*touch_down_cb)(struct touch_state *s, int32_t slot,
void (*touch_down_cb)(struct touch_state *s, int32_t touch_id,
double x, double y, double width, double height);
void (*touch_motion_cb)(struct touch_state *s, int32_t slot,
void (*touch_motion_cb)(struct touch_state *s, int32_t touch_id,
double x, double y, double width, double height);
void (*touch_up_cb)(struct touch_state *s, int32_t slot);
void (*touch_cancel_cb)(struct touch_state *s, int32_t slot);
void (*touch_up_cb)(struct touch_state *s, int32_t touch_id);
void (*touch_cancel_cb)(struct touch_state *s, int32_t touch_id);
void (*tool_axis_cb)(struct tablet_tool_state *s,
struct wlr_event_tablet_tool_axis *event);
void (*tool_proximity_cb)(struct tablet_tool_state *s,

14
examples/touch.c
View File

@ -28,7 +28,7 @@ struct sample_state {
};
struct touch_point {
int32_t slot;
int32_t touch_id;
double x, y;
};
@ -58,11 +58,11 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
wlr_output_swap_buffers(wlr_output);
}
static void handle_touch_down(struct touch_state *tstate, int32_t slot,
static void handle_touch_down(struct touch_state *tstate, int32_t touch_id,
double x, double y, double width, double height) {
struct sample_state *sample = tstate->compositor->data;
struct touch_point *point = calloc(1, sizeof(struct touch_point));
point->slot = slot;
point->touch_id = touch_id;
point->x = x / width;
point->y = y / height;
if (wlr_list_add(sample->touch_points, point) == -1) {
@ -70,23 +70,23 @@ static void handle_touch_down(struct touch_state *tstate, int32_t slot,
}
}
static void handle_touch_up(struct touch_state *tstate, int32_t slot) {
static void handle_touch_up(struct touch_state *tstate, int32_t touch_id) {
struct sample_state *sample = tstate->compositor->data;
for (size_t i = 0; i < sample->touch_points->length; ++i) {
struct touch_point *point = sample->touch_points->items[i];
if (point->slot == slot) {
if (point->touch_id == touch_id) {
wlr_list_del(sample->touch_points, i);
break;
}
}
}
static void handle_touch_motion(struct touch_state *tstate, int32_t slot,
static void handle_touch_motion(struct touch_state *tstate, int32_t touch_id,
double x, double y, double width, double height) {
struct sample_state *sample = tstate->compositor->data;
for (size_t i = 0; i < sample->touch_points->length; ++i) {
struct touch_point *point = sample->touch_points->items[i];
if (point->slot == slot) {
if (point->touch_id == touch_id) {
point->x = x / width;
point->y = y / height;
break;

10
include/rootston/cursor.h
View File

@ -39,7 +39,6 @@ struct roots_cursor {
uint32_t resize_edges;
// Ring buffer of input events that could trigger move/resize/rotate
int input_events_idx;
struct wl_list touch_points;
struct roots_input_event input_events[16];
struct wl_listener motion;
@ -57,6 +56,9 @@ struct roots_cursor {
struct wl_listener pointer_grab_begin;
struct wl_listener pointer_grab_end;
struct wl_listener touch_grab_begin;
struct wl_listener touch_grab_end;
struct wl_listener request_set_cursor;
};
@ -100,4 +102,10 @@ void roots_cursor_handle_pointer_grab_begin(struct roots_cursor *cursor,
void roots_cursor_handle_pointer_grab_end(struct roots_cursor *cursor,
struct wlr_seat_pointer_grab *grab);
void roots_cursor_handle_touch_grab_begin(struct roots_cursor *cursor,
struct wlr_seat_touch_grab *grab);
void roots_cursor_handle_touch_grab_end(struct roots_cursor *cursor,
struct wlr_seat_touch_grab *grab);
#endif

14
include/rootston/seat.h
View File

@ -9,6 +9,9 @@ struct roots_drag_icon {
struct wl_list link; // roots_seat::drag_icons
bool mapped;
bool is_pointer;
int32_t touch_id;
int32_t sx;
int32_t sy;
@ -23,6 +26,10 @@ struct roots_seat {
struct wl_list link;
struct wl_list drag_icons;
// coordinates of the first touch point if it exists
int32_t touch_id;
double touch_x, touch_y;
struct roots_view *focus;
struct wl_list keyboards;
@ -43,13 +50,6 @@ struct roots_touch {
struct wl_list link;
};
struct roots_touch_point {
struct roots_touch *device;
int32_t slot;
double x, y;
struct wl_list link;
};
struct roots_tablet_tool {
struct roots_seat *seat;
struct wlr_input_device *device;

7
include/wlr/types/wlr_cursor.h
View File

@ -126,4 +126,11 @@ void wlr_cursor_map_to_region(struct wlr_cursor *cur, struct wlr_box *box);
void wlr_cursor_map_input_to_region(struct wlr_cursor *cur,
struct wlr_input_device *dev, struct wlr_box *box);
/**
* Convert absolute coordinates to layout coordinates for the device.
*/
bool wlr_cursor_absolute_to_layout_coords(struct wlr_cursor *cur,
struct wlr_input_device *device, double x_mm, double y_mm,
double width_mm, double height_mm, double *lx, double *ly);
#endif

9
include/wlr/types/wlr_data_device.h
View File

@ -10,6 +10,9 @@ wlr_pointer_grab_interface wlr_data_device_pointer_drag_interface;
extern const struct
wlr_keyboard_grab_interface wlr_data_device_keyboard_drag_interface;
extern const struct
wlr_touch_grab_interface wlr_data_device_touch_drag_interface;
struct wlr_data_device_manager {
struct wl_global *global;
};
@ -53,16 +56,22 @@ struct wlr_data_source {
struct wlr_drag {
struct wlr_seat_pointer_grab pointer_grab;
struct wlr_seat_keyboard_grab keyboard_grab;
struct wlr_seat_touch_grab touch_grab;
struct wlr_seat *seat;
struct wlr_seat_client *seat_client;
struct wlr_seat_client *focus_client;
bool is_pointer_grab;
struct wlr_surface *icon;
struct wlr_surface *focus;
struct wlr_data_source *source;
bool cancelling;
int32_t grab_touch_id;
struct wl_listener point_destroy;
struct wl_listener icon_destroy;
struct wl_listener source_destroy;
struct wl_listener seat_client_unbound;

171
include/wlr/types/wlr_seat.h
View File

@ -24,6 +24,26 @@ struct wlr_seat_client {
struct wl_list link;
};
struct wlr_touch_point {
int32_t touch_id;
struct wlr_surface *surface;
struct wlr_seat_client *client;
struct wlr_surface *focus_surface;
struct wlr_seat_client *focus_client;
double sx, sy;
struct wl_listener surface_destroy;
struct wl_listener focus_surface_destroy;
struct wl_listener resource_destroy;
struct {
struct wl_signal destroy;
} events;
struct wl_list link;
};
struct wlr_seat_pointer_grab;
struct wlr_pointer_grab_interface {
@ -49,6 +69,32 @@ struct wlr_keyboard_grab_interface {
void (*cancel)(struct wlr_seat_keyboard_grab *grab);
};
struct wlr_seat_touch_grab;
struct wlr_touch_grab_interface {
uint32_t (*down)(struct wlr_seat_touch_grab *grab, uint32_t time,
struct wlr_touch_point *point);
void (*up)(struct wlr_seat_touch_grab *grab, uint32_t time,
struct wlr_touch_point *point);
void (*motion)(struct wlr_seat_touch_grab *grab, uint32_t time,
struct wlr_touch_point *point);
void (*enter)(struct wlr_seat_touch_grab *grab, uint32_t time,
struct wlr_touch_point *point);
// XXX this will conflict with the actual touch cancel which is different so
// we need to rename this
void (*cancel)(struct wlr_seat_touch_grab *grab);
};
/**
* Passed to `wlr_seat_touch_start_grab()` to start a grab of the touch device.
* The grabber is responsible for handling touch events for the seat.
*/
struct wlr_seat_touch_grab {
const struct wlr_touch_grab_interface *interface;
struct wlr_seat *seat;
void *data;
};
/**
* Passed to `wlr_seat_keyboard_start_grab()` to start a grab of the keyboard.
* The grabber is responsible for handling keyboard events for the seat.
@ -86,6 +132,7 @@ struct wlr_seat_pointer_state {
struct wl_listener resource_destroy;
};
// TODO: May be useful to be able to simulate keyboard input events
struct wlr_seat_keyboard_state {
struct wlr_seat *seat;
struct wlr_keyboard *keyboard;
@ -103,6 +150,17 @@ struct wlr_seat_keyboard_state {
struct wlr_seat_keyboard_grab *default_grab;
};
struct wlr_seat_touch_state {
struct wlr_seat *seat;
struct wl_list touch_points; // wlr_touch_point::link
uint32_t grab_serial;
uint32_t grab_id;
struct wlr_seat_touch_grab *grab;
struct wlr_seat_touch_grab *default_grab;
};
struct wlr_seat {
struct wl_global *wl_global;
struct wl_display *display;
@ -117,6 +175,7 @@ struct wlr_seat {
struct wlr_seat_pointer_state pointer_state;
struct wlr_seat_keyboard_state keyboard_state;
struct wlr_seat_touch_state touch_state;
struct wl_listener selection_data_source_destroy;
@ -130,6 +189,9 @@ struct wlr_seat {
struct wl_signal keyboard_grab_begin;
struct wl_signal keyboard_grab_end;
struct wl_signal touch_grab_begin;
struct wl_signal touch_grab_end;
struct wl_signal request_set_cursor;
struct wl_signal selection;
@ -259,6 +321,11 @@ uint32_t wlr_seat_pointer_notify_button(struct wlr_seat *wlr_seat,
void wlr_seat_pointer_notify_axis(struct wlr_seat *wlr_seat, uint32_t time,
enum wlr_axis_orientation orientation, double value);
/**
* Whether or not the pointer has a grab other than the default grab.
*/
bool wlr_seat_pointer_has_grab(struct wlr_seat *seat);
/**
* Set this keyboard as the active keyboard for the seat.
*/
@ -326,6 +393,108 @@ void wlr_seat_keyboard_enter(struct wlr_seat *wlr_seat,
*/
void wlr_seat_keyboard_clear_focus(struct wlr_seat *wlr_seat);
// TODO: May be useful to be able to simulate keyboard input events
/**
* Whether or not the keyboard has a grab other than the default grab
*/
bool wlr_seat_keyboard_has_grab(struct wlr_seat *seat);
/**
* Start a grab of the touch device of this seat. The grabber is responsible for
* handling all touch events until the grab ends.
*/
void wlr_seat_touch_start_grab(struct wlr_seat *wlr_seat,
struct wlr_seat_touch_grab *grab);
/**
* End the grab of the touch device of this seat. This reverts the grab back to
* the default grab for the touch device.
*/
void wlr_seat_touch_end_grab(struct wlr_seat *wlr_seat);
/**
* Get the active touch point with the given `touch_id`. If the touch point does
* not exist or is no longer active, returns NULL.
*/
struct wlr_touch_point *wlr_seat_touch_get_point(struct wlr_seat *seat,
int32_t touch_id);
/**
* Notify the seat of a touch down on the given surface. Defers to any grab of
* the touch device.
*/
uint32_t wlr_seat_touch_notify_down(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t time, int32_t touch_id, double sx,
double sy);
/**
* Notify the seat that the touch point given by `touch_id` is up. Defers to any
* grab of the touch device.
*/
void wlr_seat_touch_notify_up(struct wlr_seat *seat, uint32_t time,
int32_t touch_id);
/**
* Notify the seat that the touch point given by `touch_id` has moved. Defers to
* any grab of the touch device. The seat should be notified of touch motion
* even if the surface is not the owner of the touch point for processing by
* grabs.
*/
void wlr_seat_touch_notify_motion(struct wlr_seat *seat, uint32_t time,
int32_t touch_id, double sx, double sy);
/**
* Notify the seat that the touch point given by `touch_id` has entered a new
* surface. The surface is required. To clear focus, use
* `wlr_seat_touch_point_clear_focus()`.
*/
void wlr_seat_touch_point_focus(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t time, int32_t touch_id, double sx,
double sy);
/**
* Clear the focused surface for the touch point given by `touch_id`.
*/
void wlr_seat_touch_point_clear_focus(struct wlr_seat *seat, uint32_t time,
int32_t touch_id);
/**
* Send a touch down event to the client of the given surface. All future touch
* events for this point will go to this surface. If the touch down is valid,
* this will add a new touch point with the given `touch_id`. The touch down may
* not be valid if the surface seat client does not accept touch input.
* Coordinates are surface-local. Compositors should use
* `wlr_seat_touch_notify_down()` to respect any grabs of the touch device.
*/
uint32_t wlr_seat_touch_send_down(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t time, int32_t touch_id, double sx,
double sy);
/**
* Send a touch up event for the touch point given by the `touch_id`. The event
* will go to the client for the surface given in the cooresponding touch down
* event. This will remove the touch point. Compositors should use
* `wlr_seat_touch_notify_up()` to respect any grabs of the touch device.
*/
void wlr_seat_touch_send_up(struct wlr_seat *seat, uint32_t time,
int32_t touch_id);
/**
* Send a touch motion event for the touch point given by the `touch_id`. The
* event will go to the client for the surface given in the corresponding touch
* down event. Compositors should use `wlr_seat_touch_notify_motion()` to
* respect any grabs of the touch device.
*/
void wlr_seat_touch_send_motion(struct wlr_seat *seat, uint32_t time,
int32_t touch_id, double sx, double sy);
/**
* How many touch points are currently down for the seat.
*/
int wlr_seat_touch_num_points(struct wlr_seat *seat);
/**
* Whether or not the seat has a touch grab other than the default grab.
*/
bool wlr_seat_touch_has_grab(struct wlr_seat *seat);
#endif

8
include/wlr/types/wlr_touch.h
View File

@ -22,7 +22,7 @@ struct wlr_touch {
struct wlr_event_touch_down {
struct wlr_input_device *device;
uint32_t time_msec;
int32_t slot;
int32_t touch_id;
double x_mm, y_mm;
double width_mm, height_mm;
};
@ -30,13 +30,13 @@ struct wlr_event_touch_down {
struct wlr_event_touch_up {
struct wlr_input_device *device;
uint32_t time_msec;
int32_t slot;
int32_t touch_id;
};
struct wlr_event_touch_motion {
struct wlr_input_device *device;
uint32_t time_msec;
int32_t slot;
int32_t touch_id;
double x_mm, y_mm;
double width_mm, height_mm;
};
@ -44,7 +44,7 @@ struct wlr_event_touch_motion {
struct wlr_event_touch_cancel {
struct wlr_input_device *device;
uint32_t time_msec;
int32_t slot;
int32_t touch_id;
};
#endif

205
rootston/cursor.c
View File

@ -28,7 +28,8 @@ void roots_cursor_destroy(struct roots_cursor *cursor) {
// TODO
}
static void roots_cursor_update_position(struct roots_cursor *cursor, uint32_t time) {
static void roots_cursor_update_position(struct roots_cursor *cursor,
uint32_t time) {
struct roots_desktop *desktop = cursor->seat->input->server->desktop;
struct roots_seat *seat = cursor->seat;
struct roots_view *view;
@ -128,15 +129,18 @@ static void roots_cursor_update_position(struct roots_cursor *cursor, uint32_t t
static void roots_cursor_press_button(struct roots_cursor *cursor,
struct wlr_input_device *device, uint32_t time, uint32_t button,
uint32_t state) {
uint32_t state, double lx, double ly) {
struct roots_seat *seat = cursor->seat;
struct roots_desktop *desktop = seat->input->server->desktop;
bool is_touch = device->type == WLR_INPUT_DEVICE_TOUCH;
struct wlr_surface *surface;
double sx, sy;
struct roots_view *view = view_at(desktop,
cursor->cursor->x, cursor->cursor->y, &surface, &sx, &sy);
struct roots_view *view = view_at(desktop, lx, ly, &surface, &sx, &sy);
if (state == WLR_BUTTON_PRESSED && view && roots_seat_has_meta_pressed(seat)) {
if (state == WLR_BUTTON_PRESSED &&
view &&
roots_seat_has_meta_pressed(seat)) {
roots_seat_focus_view(seat, view);
uint32_t edges;
@ -165,14 +169,21 @@ static void roots_cursor_press_button(struct roots_cursor *cursor,
return;
}
uint32_t serial =
uint32_t serial;
if (is_touch) {
serial = wl_display_get_serial(desktop->server->wl_display);
} else {
serial =
wlr_seat_pointer_notify_button(seat->seat, time, button, state);
}
int i;
switch (state) {
case WLR_BUTTON_RELEASED:
seat->cursor->mode = ROOTS_CURSOR_PASSTHROUGH;
if (!is_touch) {
roots_cursor_update_position(cursor, time);
}
break;
case WLR_BUTTON_PRESSED:
i = cursor->input_events_idx;
@ -203,7 +214,7 @@ void roots_cursor_handle_motion_absolute(struct roots_cursor *cursor,
void roots_cursor_handle_button(struct roots_cursor *cursor,
struct wlr_event_pointer_button *event) {
roots_cursor_press_button(cursor, event->device, event->time_msec,
event->button, event->state);
event->button, event->state, cursor->cursor->x, cursor->cursor->y);
}
void roots_cursor_handle_axis(struct roots_cursor *cursor,
@ -214,50 +225,86 @@ void roots_cursor_handle_axis(struct roots_cursor *cursor,
void roots_cursor_handle_touch_down(struct roots_cursor *cursor,
struct wlr_event_touch_down *event) {
struct roots_touch_point *point =
calloc(1, sizeof(struct roots_touch_point));
if (!point) {
wlr_log(L_ERROR, "could not allocate memory for touch point");
struct roots_desktop *desktop = cursor->seat->input->server->desktop;
struct wlr_surface *surface = NULL;
double lx, ly;
bool result =
wlr_cursor_absolute_to_layout_coords(cursor->cursor,
event->device, event->x_mm, event->y_mm, event->width_mm,
event->height_mm, &lx, &ly);
if (!result) {
return;
}
double sx, sy;
view_at(desktop, lx, ly, &surface, &sx, &sy);
point->device = event->device->data;
point->slot = event->slot;
point->x = event->x_mm / event->width_mm;
point->y = event->y_mm / event->height_mm;
wlr_cursor_warp_absolute(cursor->cursor, event->device, point->x, point->y);
roots_cursor_update_position(cursor, event->time_msec);
wl_list_insert(&cursor->touch_points, &point->link);
roots_cursor_press_button(cursor, event->device,
event->time_msec, BTN_LEFT, 1);
uint32_t serial = 0;
if (surface) {
serial = wlr_seat_touch_notify_down(cursor->seat->seat, surface,
event->time_msec, event->touch_id, sx, sy);
}
if (serial && wlr_seat_touch_num_points(cursor->seat->seat) == 1) {
cursor->seat->touch_id = event->touch_id;
cursor->seat->touch_x = lx;
cursor->seat->touch_y = ly;
roots_cursor_press_button(cursor, event->device, event->time_msec,
BTN_LEFT, 1, lx, ly);
}
}
void roots_cursor_handle_touch_up(struct roots_cursor *cursor,
struct wlr_event_touch_up *event) {
struct roots_touch_point *point;
wl_list_for_each(point, &cursor->touch_points, link) {
if (point->slot == event->slot) {
wl_list_remove(&point->link);
free(point);
break;
struct wlr_touch_point *point =
wlr_seat_touch_get_point(cursor->seat->seat, event->touch_id);
if (!point) {
return;
}
if (wlr_seat_touch_num_points(cursor->seat->seat) == 1) {
roots_cursor_press_button(cursor, event->device, event->time_msec,
BTN_LEFT, 0, cursor->seat->touch_x, cursor->seat->touch_y);
}
roots_cursor_press_button(cursor, event->device,
event->time_msec, BTN_LEFT, 0);
wlr_seat_touch_notify_up(cursor->seat->seat, event->time_msec,
event->touch_id);
}
void roots_cursor_handle_touch_motion(struct roots_cursor *cursor,
struct wlr_event_touch_motion *event) {
struct roots_touch_point *point;
wl_list_for_each(point, &cursor->touch_points, link) {
if (point->slot == event->slot) {
point->x = event->x_mm / event->width_mm;
point->y = event->y_mm / event->height_mm;
wlr_cursor_warp_absolute(cursor->cursor, event->device,
point->x, point->y);
roots_cursor_update_position(cursor, event->time_msec);
break;
struct roots_desktop *desktop = cursor->seat->input->server->desktop;
struct wlr_touch_point *point =
wlr_seat_touch_get_point(cursor->seat->seat, event->touch_id);
if (!point) {
return;
}
struct wlr_surface *surface = NULL;
double lx, ly;
bool result =
wlr_cursor_absolute_to_layout_coords(cursor->cursor,
event->device, event->x_mm, event->y_mm, event->width_mm,
event->height_mm, &lx, &ly);
if (!result) {
return;
}
double sx, sy;
view_at(desktop, lx, ly, &surface, &sx, &sy);
if (surface) {
wlr_seat_touch_point_focus(cursor->seat->seat, surface,
event->time_msec, event->touch_id, sx, sy);
wlr_seat_touch_notify_motion(cursor->seat->seat, event->time_msec,
event->touch_id, sx, sy);
} else {
wlr_seat_touch_point_clear_focus(cursor->seat->seat, event->time_msec,
event->touch_id);
}
if (event->touch_id == cursor->seat->touch_id) {
cursor->seat->touch_x = lx;
cursor->seat->touch_y = ly;
}
}
@ -282,14 +329,16 @@ void roots_cursor_handle_tool_axis(struct roots_cursor *cursor,
void roots_cursor_handle_tool_tip(struct roots_cursor *cursor,
struct wlr_event_tablet_tool_tip *event) {
roots_cursor_press_button(cursor, event->device,
event->time_msec, BTN_LEFT, event->state);
event->time_msec, BTN_LEFT, event->state, cursor->cursor->x,
cursor->cursor->y);
}
void roots_cursor_handle_request_set_cursor(struct roots_cursor *cursor,
struct wlr_seat_pointer_request_set_cursor_event *event) {
struct wlr_surface *focused_surface =
event->seat_client->seat->pointer_state.focused_surface;
bool has_focused = focused_surface != NULL && focused_surface->resource != NULL;
bool has_focused =
focused_surface != NULL && focused_surface->resource != NULL;
struct wl_client *focused_client = NULL;
if (has_focused) {
focused_client = wl_resource_get_client(focused_surface->resource);
@ -322,33 +371,59 @@ static void handle_drag_icon_destroy(struct wl_listener *listener, void *data) {
free(drag_icon);
}
void roots_cursor_handle_pointer_grab_begin(struct roots_cursor *cursor,
struct wlr_seat_pointer_grab *grab) {
struct roots_seat *seat = cursor->seat;
if (grab->interface == &wlr_data_device_pointer_drag_interface) {
struct wlr_drag *drag = grab->data;
if (drag->icon) {
static struct roots_drag_icon *seat_add_drag_icon(struct roots_seat *seat,
struct wlr_surface *icon_surface) {
if (!icon_surface) {
return NULL;
}
struct roots_drag_icon *iter_icon;
wl_list_for_each(iter_icon, &seat->drag_icons, link) {
if (iter_icon->surface == drag->icon) {
if (iter_icon->surface == icon_surface) {
// already in the list
return;
return iter_icon;
}
}
struct roots_drag_icon *drag_icon =
calloc(1, sizeof(struct roots_drag_icon));
drag_icon->mapped = true;
drag_icon->surface = drag->icon;
drag_icon->surface = icon_surface;
wl_list_insert(&seat->drag_icons, &drag_icon->link);
wl_signal_add(&drag->icon->events.destroy,
wl_signal_add(&icon_surface->events.destroy,
&drag_icon->surface_destroy);
drag_icon->surface_destroy.notify = handle_drag_icon_destroy;
wl_signal_add(&drag->icon->events.commit,
wl_signal_add(&icon_surface->events.commit,
&drag_icon->surface_commit);
drag_icon->surface_commit.notify = handle_drag_icon_commit;
return drag_icon;
}
static void seat_unmap_drag_icon(struct roots_seat *seat,
struct wlr_surface *icon_surface) {
if (!icon_surface) {
return;
}
struct roots_drag_icon *icon;
wl_list_for_each(icon, &seat->drag_icons, link) {
if (icon->surface == icon_surface) {
icon->mapped = false;
}
}
}
void roots_cursor_handle_pointer_grab_begin(struct roots_cursor *cursor,
struct wlr_seat_pointer_grab *grab) {
if (grab->interface == &wlr_data_device_pointer_drag_interface) {
struct wlr_drag *drag = grab->data;
struct roots_drag_icon *icon =
seat_add_drag_icon(cursor->seat, drag->icon);
if (icon) {
icon->is_pointer = true;
}
}
}
@ -357,13 +432,27 @@ void roots_cursor_handle_pointer_grab_end(struct roots_cursor *cursor,
struct wlr_seat_pointer_grab *grab) {
if (grab->interface == &wlr_data_device_pointer_drag_interface) {
struct wlr_drag *drag = grab->data;
struct roots_drag_icon *icon;
wl_list_for_each(icon, &cursor->seat->drag_icons, link) {
if (icon->surface == drag->icon) {
icon->mapped = false;
seat_unmap_drag_icon(cursor->seat, drag->icon);
}
}
void roots_cursor_handle_touch_grab_begin(struct roots_cursor *cursor,
struct wlr_seat_touch_grab *grab) {
if (grab->interface == &wlr_data_device_touch_drag_interface) {
struct wlr_drag *drag = grab->data;
struct roots_drag_icon *icon =
seat_add_drag_icon(cursor->seat, drag->icon);
if (icon) {
icon->is_pointer = false;
icon->touch_id = drag->grab_touch_id;
}
}
}
void roots_cursor_handle_touch_grab_end(struct roots_cursor *cursor,
struct wlr_seat_touch_grab *grab) {
if (grab->interface == &wlr_data_device_touch_drag_interface) {
struct wlr_drag *drag = grab->data;
seat_unmap_drag_icon(cursor->seat, drag->icon);
}
}
}
roots_cursor_update_position(cursor, 0);
}

15
rootston/output.c
View File

@ -200,9 +200,20 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
}
struct wlr_surface *icon = drag_icon->surface;
struct wlr_cursor *cursor = seat->cursor->cursor;
double icon_x = cursor->x + drag_icon->sx;
double icon_y = cursor->y + drag_icon->sy;
double icon_x = 0, icon_y = 0;
if (drag_icon->is_pointer) {
icon_x = cursor->x + drag_icon->sx;
icon_y = cursor->y + drag_icon->sy;
render_surface(icon, desktop, wlr_output, &now, icon_x, icon_y, 0);
} else {
struct wlr_touch_point *point =
wlr_seat_touch_get_point(seat->seat, drag_icon->touch_id);
if (point) {
icon_x = seat->touch_x + drag_icon->sx;
icon_y = seat->touch_y + drag_icon->sy;
render_surface(icon, desktop, wlr_output, &now, icon_x, icon_y, 0);
}
}
}
}

59
rootston/seat.c
View File

@ -31,7 +31,8 @@ static void handle_cursor_motion(struct wl_listener *listener, void *data) {
roots_cursor_handle_motion(cursor, event);
}
static void handle_cursor_motion_absolute(struct wl_listener *listener, void *data) {
static void handle_cursor_motion_absolute(struct wl_listener *listener,
void *data) {
struct roots_cursor *cursor =
wl_container_of(listener, cursor, motion_absolute);
struct wlr_event_pointer_motion_absolute *event = data;
@ -111,7 +112,24 @@ static void handle_pointer_grab_end(struct wl_listener *listener,
roots_cursor_handle_pointer_grab_end(cursor, grab);
}
static void seat_reset_device_mappings(struct roots_seat *seat, struct wlr_input_device *device) {
static void handle_touch_grab_begin(struct wl_listener *listener,
void *data) {
struct roots_cursor *cursor =
wl_container_of(listener, cursor, touch_grab_begin);
struct wlr_seat_touch_grab *grab = data;
roots_cursor_handle_touch_grab_begin(cursor, grab);
}
static void handle_touch_grab_end(struct wl_listener *listener,
void *data) {
struct roots_cursor *cursor =
wl_container_of(listener, cursor, touch_grab_end);
struct wlr_seat_touch_grab *grab = data;
roots_cursor_handle_touch_grab_end(cursor, grab);
}
static void seat_reset_device_mappings(struct roots_seat *seat,
struct wlr_input_device *device) {
struct wlr_cursor *cursor = seat->cursor->cursor;
struct roots_config *config = seat->input->config;
@ -194,8 +212,6 @@ static void roots_seat_init_cursor(struct roots_seat *seat) {
struct roots_desktop *desktop = seat->input->server->desktop;
wlr_cursor_attach_output_layout(wlr_cursor, desktop->layout);
wl_list_init(&seat->cursor->touch_points);
roots_seat_configure_cursor(seat);
roots_seat_configure_xcursor(seat);
@ -219,10 +235,12 @@ static void roots_seat_init_cursor(struct roots_seat *seat) {
wl_signal_add(&wlr_cursor->events.touch_up, &seat->cursor->touch_up);
seat->cursor->touch_up.notify = handle_touch_up;
wl_signal_add(&wlr_cursor->events.touch_motion, &seat->cursor->touch_motion);
wl_signal_add(&wlr_cursor->events.touch_motion,
&seat->cursor->touch_motion);
seat->cursor->touch_motion.notify = handle_touch_motion;
wl_signal_add(&wlr_cursor->events.tablet_tool_axis, &seat->cursor->tool_axis);
wl_signal_add(&wlr_cursor->events.tablet_tool_axis,
&seat->cursor->tool_axis);
seat->cursor->tool_axis.notify = handle_tool_axis;
wl_signal_add(&wlr_cursor->events.tablet_tool_tip, &seat->cursor->tool_tip);
@ -239,6 +257,14 @@ static void roots_seat_init_cursor(struct roots_seat *seat) {
wl_signal_add(&seat->seat->events.pointer_grab_end,
&seat->cursor->pointer_grab_end);
seat->cursor->pointer_grab_end.notify = handle_pointer_grab_end;
wl_signal_add(&seat->seat->events.touch_grab_begin,
&seat->cursor->touch_grab_begin);
seat->cursor->touch_grab_begin.notify = handle_touch_grab_begin;
wl_signal_add(&seat->seat->events.touch_grab_end,
&seat->cursor->touch_grab_end);
seat->cursor->touch_grab_end.notify = handle_touch_grab_end;
}
struct roots_seat *roots_seat_create(struct roots_input *input, char *name) {
@ -282,9 +308,11 @@ void roots_seat_destroy(struct roots_seat *seat) {
// TODO
}
static void seat_add_keyboard(struct roots_seat *seat, struct wlr_input_device *device) {
static void seat_add_keyboard(struct roots_seat *seat,
struct wlr_input_device *device) {
assert(device->type == WLR_INPUT_DEVICE_KEYBOARD);
struct roots_keyboard *keyboard = roots_keyboard_create(device, seat->input);
struct roots_keyboard *keyboard =
roots_keyboard_create(device, seat->input);
if (keyboard == NULL) {
wlr_log(L_ERROR, "could not allocate keyboard for seat");
return;
@ -305,7 +333,8 @@ static void seat_add_keyboard(struct roots_seat *seat, struct wlr_input_device *
wlr_seat_set_keyboard(seat->seat, device);
}
static void seat_add_pointer(struct roots_seat *seat, struct wlr_input_device *device) {
static void seat_add_pointer(struct roots_seat *seat,
struct wlr_input_device *device) {
struct roots_pointer *pointer = calloc(sizeof(struct roots_pointer), 1);
if (!pointer) {
wlr_log(L_ERROR, "could not allocate pointer for seat");
@ -320,7 +349,8 @@ static void seat_add_pointer(struct roots_seat *seat, struct wlr_input_device *d
roots_seat_configure_cursor(seat);
}
static void seat_add_touch(struct roots_seat *seat, struct wlr_input_device *device) {
static void seat_add_touch(struct roots_seat *seat,
struct wlr_input_device *device) {
struct roots_touch *touch = calloc(sizeof(struct roots_touch), 1);
if (!touch) {
wlr_log(L_ERROR, "could not allocate touch for seat");
@ -335,12 +365,15 @@ static void seat_add_touch(struct roots_seat *seat, struct wlr_input_device *dev
roots_seat_configure_cursor(seat);
}
static void seat_add_tablet_pad(struct roots_seat *seat, struct wlr_input_device *device) {
static void seat_add_tablet_pad(struct roots_seat *seat,
struct wlr_input_device *device) {
// TODO
}
static void seat_add_tablet_tool(struct roots_seat *seat, struct wlr_input_device *device) {
struct roots_tablet_tool *tablet_tool = calloc(sizeof(struct roots_tablet_tool), 1);
static void seat_add_tablet_tool(struct roots_seat *seat,
struct wlr_input_device *device) {
struct roots_tablet_tool *tablet_tool =
calloc(sizeof(struct roots_tablet_tool), 1);
if (!tablet_tool) {
wlr_log(L_ERROR, "could not allocate tablet_tool for seat");
return;

18
types/wlr_cursor.c
View File

@ -637,3 +637,21 @@ void wlr_cursor_map_input_to_region(struct wlr_cursor *cur,
c_device->mapped_box = box;
}
bool wlr_cursor_absolute_to_layout_coords(struct wlr_cursor *cur,
struct wlr_input_device *device, double x_mm, double y_mm,
double width_mm, double height_mm, double *lx, double *ly) {
if (width_mm <= 0 || height_mm <= 0) {
return false;
}
struct wlr_box *mapping = get_mapping(cur, device);
if (!mapping) {
mapping = wlr_output_layout_get_box(cur->state->layout, NULL);
}
*lx = x_mm > 0 ? mapping->width * (x_mm / width_mm) + mapping->x : cur->x;
*ly = y_mm > 0 ? mapping->height * (y_mm / height_mm) + mapping->y : cur->y;
return true;
}

123
types/wlr_data_device.c
View File

@ -275,7 +275,8 @@ void wlr_seat_client_send_selection(struct wlr_seat_client *seat_client) {
struct wlr_data_offer *offer =
wlr_data_source_send_offer(seat_client->seat->selection_source,
seat_client->data_device);
wl_data_device_send_selection(seat_client->data_device, offer->resource);
wl_data_device_send_selection(seat_client->data_device,
offer->resource);
} else {
wl_data_device_send_selection(seat_client->data_device, NULL);
}
@ -437,8 +438,12 @@ static void wlr_drag_set_focus(struct wlr_drag *drag,
static void wlr_drag_end(struct wlr_drag *drag) {
if (!drag->cancelling) {
drag->cancelling = true;
wlr_seat_pointer_end_grab(drag->pointer_grab.seat);
wlr_seat_keyboard_end_grab(drag->keyboard_grab.seat);
if (drag->is_pointer_grab) {
wlr_seat_pointer_end_grab(drag->seat);
} else {
wlr_seat_touch_end_grab(drag->seat);
}
wlr_seat_keyboard_end_grab(drag->seat);
if (drag->source) {
wl_list_remove(&drag->source_destroy.link);
@ -521,6 +526,54 @@ wlr_pointer_grab_interface wlr_data_device_pointer_drag_interface = {
.cancel = pointer_drag_cancel,
};
uint32_t touch_drag_down(struct wlr_seat_touch_grab *grab,
uint32_t time, struct wlr_touch_point *point) {
// eat the event
return 0;
}
static void touch_drag_up(struct wlr_seat_touch_grab *grab, uint32_t time,
struct wlr_touch_point *point) {
struct wlr_drag *drag = grab->data;
if (drag->grab_touch_id != point->touch_id) {
return;
}
if (drag->focus_client && drag->focus_client->data_device) {
wl_data_device_send_drop(drag->focus_client->data_device);
}
wlr_drag_end(drag);
}
static void touch_drag_motion(struct wlr_seat_touch_grab *grab, uint32_t time,
struct wlr_touch_point *point) {
struct wlr_drag *drag = grab->data;
if (drag->focus && drag->focus_client && drag->focus_client->data_device) {
wl_data_device_send_motion(drag->focus_client->data_device, time,
wl_fixed_from_double(point->sx), wl_fixed_from_double(point->sy));
}
}
static void touch_drag_enter(struct wlr_seat_touch_grab *grab, uint32_t time,
struct wlr_touch_point *point) {
struct wlr_drag *drag = grab->data;
wlr_drag_set_focus(drag, point->focus_surface, point->sx, point->sy);
}
static void touch_drag_cancel(struct wlr_seat_touch_grab *grab) {
struct wlr_drag *drag = grab->data;
wlr_drag_end(drag);
}
const struct wlr_touch_grab_interface wlr_data_device_touch_drag_interface = {
.down = touch_drag_down,
.up = touch_drag_up,
.motion = touch_drag_motion,
.enter = touch_drag_enter,
.cancel = touch_drag_cancel,
};
static void keyboard_drag_enter(struct wlr_seat_keyboard_grab *grab,
struct wlr_surface *surface) {
// nothing has keyboard focus during drags
@ -562,13 +615,39 @@ static void drag_handle_drag_source_destroy(struct wl_listener *listener,
}
static bool seat_client_start_drag(struct wlr_seat_client *client,
struct wlr_data_source *source, struct wlr_surface *icon) {
struct wlr_data_source *source, struct wlr_surface *icon,
struct wlr_surface *origin, uint32_t serial) {
struct wlr_drag *drag = calloc(1, sizeof(struct wlr_drag));
if (drag == NULL) {
return false;
}
struct wlr_seat *seat = client->seat;
drag->seat = client->seat;
drag->is_pointer_grab = client->pointer != NULL &&
client->seat->pointer_state.button_count == 1 &&
client->seat->pointer_state.grab_serial == serial &&
client->seat->pointer_state.focused_surface &&
client->seat->pointer_state.focused_surface == origin;
bool is_touch_grab = client->touch &&
wlr_seat_touch_num_points(client->seat) == 1 &&
client->seat->touch_state.grab_serial == serial;
// set in the iteration
struct wlr_touch_point *point = NULL;
if (is_touch_grab) {
wl_list_for_each(point, &client->seat->touch_state.touch_points, link) {
is_touch_grab = point->surface && point->surface == origin;
break;
}
}
if (!drag->is_pointer_grab && !is_touch_grab) {
free(drag);
return true;
}
if (icon) {
drag->icon = icon;
@ -587,13 +666,23 @@ static bool seat_client_start_drag(struct wlr_seat_client *client,
drag->pointer_grab.data = drag;
drag->pointer_grab.interface = &wlr_data_device_pointer_drag_interface;
drag->touch_grab.data = drag;
drag->touch_grab.interface = &wlr_data_device_touch_drag_interface;
drag->grab_touch_id = drag->seat->touch_state.grab_id;
drag->keyboard_grab.data = drag;
drag->keyboard_grab.interface = &wlr_data_device_keyboard_drag_interface;
wlr_seat_pointer_clear_focus(seat);
wlr_seat_keyboard_start_grab(drag->seat, &drag->keyboard_grab);
wlr_seat_keyboard_start_grab(seat, &drag->keyboard_grab);
wlr_seat_pointer_start_grab(seat, &drag->pointer_grab);
if (drag->is_pointer_grab) {
wlr_seat_pointer_clear_focus(drag->seat);
wlr_seat_pointer_start_grab(drag->seat, &drag->pointer_grab);
} else {
assert(point);
wlr_seat_touch_start_grab(drag->seat, &drag->touch_grab);
wlr_drag_set_focus(drag, point->surface, point->sx, point->sy);
}
return true;
}
@ -603,21 +692,12 @@ static void data_device_start_drag(struct wl_client *client,
struct wl_resource *source_resource,
struct wl_resource *origin_resource, struct wl_resource *icon_resource,
uint32_t serial) {
struct wlr_seat_client *seat_client = wl_resource_get_user_data(device_resource);
struct wlr_seat *seat = seat_client->seat;
struct wlr_seat_client *seat_client =
wl_resource_get_user_data(device_resource);
struct wlr_surface *origin = wl_resource_get_user_data(origin_resource);
struct wlr_data_source *source = NULL;
struct wlr_surface *icon = NULL;
bool is_pointer_grab = seat->pointer_state.button_count == 1 &&
seat->pointer_state.grab_serial == serial &&
seat->pointer_state.focused_surface &&
seat->pointer_state.focused_surface == origin;
if (!is_pointer_grab) {
return;
}
if (source_resource) {
source = wl_resource_get_user_data(source_resource);
}
@ -634,7 +714,7 @@ static void data_device_start_drag(struct wl_client *client,
// TODO touch grab
if (!seat_client_start_drag(seat_client, source, icon)) {
if (!seat_client_start_drag(seat_client, source, icon, origin, serial)) {
wl_resource_post_no_memory(device_resource);
return;
}
@ -653,7 +733,8 @@ static const struct wl_data_device_interface data_device_impl = {
void data_device_manager_get_data_device(struct wl_client *client,
struct wl_resource *manager_resource, uint32_t id,
struct wl_resource *seat_resource) {
struct wlr_seat_client *seat_client = wl_resource_get_user_data(seat_resource);
struct wlr_seat_client *seat_client =
wl_resource_get_user_data(seat_resource);
struct wl_resource *resource =
wl_resource_create(client,

334
types/wlr_seat.c
View File

@ -300,12 +300,50 @@ static const struct wlr_keyboard_grab_interface default_keyboard_grab_impl = {
.cancel = default_keyboard_cancel,
};
static uint32_t default_touch_down(struct wlr_seat_touch_grab *grab, uint32_t time,
struct wlr_touch_point *point) {
return wlr_seat_touch_send_down(grab->seat, point->surface, time,
point->touch_id, point->sx, point->sy);
}
static void default_touch_up(struct wlr_seat_touch_grab *grab, uint32_t time,
struct wlr_touch_point *point) {
wlr_seat_touch_send_up(grab->seat, time, point->touch_id);
}
static void default_touch_motion(struct wlr_seat_touch_grab *grab,
uint32_t time, struct wlr_touch_point *point) {
if (!point->focus_surface || point->focus_surface == point->surface) {
wlr_seat_touch_send_motion(grab->seat, time, point->touch_id, point->sx,
point->sy);
}
}
static void default_touch_enter(struct wlr_seat_touch_grab *grab,
uint32_t time, struct wlr_touch_point *point) {
// not handled by default
}
static void default_touch_cancel(struct wlr_seat_touch_grab *grab) {
// cannot be cancelled
}
static const struct wlr_touch_grab_interface default_touch_grab_impl = {
.down = default_touch_down,
.up = default_touch_up,
.motion = default_touch_motion,
.enter = default_touch_enter,
.cancel = default_touch_cancel,
};
struct wlr_seat *wlr_seat_create(struct wl_display *display, const char *name) {
struct wlr_seat *wlr_seat = calloc(1, sizeof(struct wlr_seat));
if (!wlr_seat) {
return NULL;
}
// pointer state
wlr_seat->pointer_state.seat = wlr_seat;
wl_list_init(&wlr_seat->pointer_state.surface_destroy.link);
wl_list_init(&wlr_seat->pointer_state.resource_destroy.link);
@ -321,6 +359,7 @@ struct wlr_seat *wlr_seat_create(struct wl_display *display, const char *name) {
wlr_seat->pointer_state.default_grab = pointer_grab;
wlr_seat->pointer_state.grab = pointer_grab;
// keyboard state
struct wlr_seat_keyboard_grab *keyboard_grab =
calloc(1, sizeof(struct wlr_seat_keyboard_grab));
if (!keyboard_grab) {
@ -338,6 +377,23 @@ struct wlr_seat *wlr_seat_create(struct wl_display *display, const char *name) {
wl_list_init(
&wlr_seat->keyboard_state.surface_destroy.link);
// touch state
struct wlr_seat_touch_grab *touch_grab =
calloc(1, sizeof(struct wlr_seat_touch_grab));
if (!touch_grab) {
free(pointer_grab);
free(keyboard_grab);
free(wlr_seat);
return NULL;
}
touch_grab->interface = &default_touch_grab_impl;
touch_grab->seat = wlr_seat;
wlr_seat->touch_state.default_grab = touch_grab;
wlr_seat->touch_state.grab = touch_grab;
wlr_seat->touch_state.seat = wlr_seat;
wl_list_init(&wlr_seat->touch_state.touch_points);
struct wl_global *wl_global = wl_global_create(display,
&wl_seat_interface, 6, wlr_seat, wl_seat_bind);
if (!wl_global) {
@ -361,6 +417,9 @@ struct wlr_seat *wlr_seat_create(struct wl_display *display, const char *name) {
wl_signal_init(&wlr_seat->events.keyboard_grab_begin);
wl_signal_init(&wlr_seat->events.keyboard_grab_end);
wl_signal_init(&wlr_seat->events.touch_grab_begin);
wl_signal_init(&wlr_seat->events.touch_grab_end);
return wlr_seat;
}
@ -378,6 +437,7 @@ void wlr_seat_destroy(struct wlr_seat *wlr_seat) {
wl_global_destroy(wlr_seat->wl_global);
free(wlr_seat->pointer_state.default_grab);
free(wlr_seat->keyboard_state.default_grab);
free(wlr_seat->touch_state.default_grab);
free(wlr_seat->data_device);
free(wlr_seat->name);
free(wlr_seat);
@ -550,7 +610,9 @@ void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
void wlr_seat_pointer_start_grab(struct wlr_seat *wlr_seat,
struct wlr_seat_pointer_grab *grab) {
assert(wlr_seat);
grab->seat = wlr_seat;
assert(grab->seat);
wlr_seat->pointer_state.grab = grab;
wl_signal_emit(&wlr_seat->events.pointer_grab_begin, grab);
@ -596,7 +658,7 @@ uint32_t wlr_seat_pointer_notify_button(struct wlr_seat *wlr_seat,
struct wlr_seat_pointer_grab *grab = wlr_seat->pointer_state.grab;
uint32_t serial = grab->interface->button(grab, time, button, state);
if (wlr_seat->pointer_state.button_count == 1) {
if (serial && wlr_seat->pointer_state.button_count == 1) {
wlr_seat->pointer_state.grab_serial = serial;
}
@ -610,6 +672,10 @@ void wlr_seat_pointer_notify_axis(struct wlr_seat *wlr_seat, uint32_t time,
grab->interface->axis(grab, time, orientation, value);
}
bool wlr_seat_pointer_has_grab(struct wlr_seat *seat) {
return seat->pointer_state.grab->interface != &default_pointer_grab_impl;
}
void wlr_seat_keyboard_send_key(struct wlr_seat *wlr_seat, uint32_t time,
uint32_t key, uint32_t state) {
struct wlr_seat_client *client = wlr_seat->keyboard_state.focused_client;
@ -807,6 +873,10 @@ void wlr_seat_keyboard_clear_focus(struct wlr_seat *seat) {
wlr_seat_keyboard_enter(seat, NULL);
}
bool wlr_seat_keyboard_has_grab(struct wlr_seat *seat) {
return seat->keyboard_state.grab->interface != &default_keyboard_grab_impl;
}
void wlr_seat_keyboard_notify_modifiers(struct wlr_seat *seat) {
clock_gettime(CLOCK_MONOTONIC, &seat->last_event);
struct wlr_seat_keyboard_grab *grab = seat->keyboard_state.grab;
@ -819,3 +889,265 @@ void wlr_seat_keyboard_notify_key(struct wlr_seat *seat, uint32_t time,
struct wlr_seat_keyboard_grab *grab = seat->keyboard_state.grab;
grab->interface->key(grab, time, key, state);
}
void wlr_seat_touch_start_grab(struct wlr_seat *wlr_seat,
struct wlr_seat_touch_grab *grab) {
grab->seat = wlr_seat;
wlr_seat->touch_state.grab = grab;
wl_signal_emit(&wlr_seat->events.touch_grab_begin, grab);
}
void wlr_seat_touch_end_grab(struct wlr_seat *wlr_seat) {
struct wlr_seat_touch_grab *grab = wlr_seat->touch_state.grab;
if (grab != wlr_seat->touch_state.default_grab) {
wlr_seat->touch_state.grab = wlr_seat->touch_state.default_grab;
wl_signal_emit(&wlr_seat->events.touch_grab_end, grab);
if (grab->interface->cancel) {
grab->interface->cancel(grab);
}
}
}
static void touch_point_clear_focus(struct wlr_touch_point *point) {
if (point->focus_surface) {
wl_list_remove(&point->focus_surface_destroy.link);
point->focus_client = NULL;
point->focus_surface = NULL;
}
}
static void touch_point_destroy(struct wlr_touch_point *point) {
wl_signal_emit(&point->events.destroy, point);
touch_point_clear_focus(point);
wl_list_remove(&point->surface_destroy.link);
wl_list_remove(&point->resource_destroy.link);
wl_list_remove(&point->link);
free(point);
}
static void handle_touch_point_resource_destroy(struct wl_listener *listener,
void *data) {
struct wlr_touch_point *point =
wl_container_of(listener, point, resource_destroy);
touch_point_destroy(point);
}
static void handle_touch_point_surface_destroy(struct wl_listener *listener,
void *data) {
struct wlr_touch_point *point =
wl_container_of(listener, point, surface_destroy);
touch_point_destroy(point);
}
static struct wlr_touch_point *touch_point_create(
struct wlr_seat *seat, int32_t touch_id,
struct wlr_surface *surface, double sx, double sy) {
struct wl_client *wl_client = wl_resource_get_client(surface->resource);
struct wlr_seat_client *client = wlr_seat_client_for_wl_client(seat, wl_client);
if (!client || !client->touch) {
// touch points are not valid without a connected client with touch
return NULL;
}
struct wlr_touch_point *point = calloc(1, sizeof(struct wlr_touch_point));
if (!point) {
return NULL;
}
point->touch_id = touch_id;
point->surface = surface;
point->client = client;
point->sx = sx;
point->sy = sy;
wl_signal_init(&point->events.destroy);
wl_signal_add(&surface->events.destroy, &point->surface_destroy);
point->surface_destroy.notify = handle_touch_point_surface_destroy;
wl_resource_add_destroy_listener(surface->resource,
&point->resource_destroy);
point->resource_destroy.notify = handle_touch_point_resource_destroy;
wl_list_insert(&seat->touch_state.touch_points, &point->link);
return point;
}
struct wlr_touch_point *wlr_seat_touch_get_point(
struct wlr_seat *seat, int32_t touch_id) {
struct wlr_touch_point *point = NULL;
wl_list_for_each(point, &seat->touch_state.touch_points, link) {
if (point->touch_id == touch_id) {
return point;
}
}
return NULL;
}
uint32_t wlr_seat_touch_notify_down(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t time, int32_t touch_id, double sx,
double sy) {
clock_gettime(CLOCK_MONOTONIC, &seat->last_event);
struct wlr_seat_touch_grab *grab = seat->touch_state.grab;
struct wlr_touch_point *point =
touch_point_create(seat, touch_id, surface, sx, sy);
if (!point) {
wlr_log(L_ERROR, "could not create touch point");
return 0;
}
uint32_t serial = grab->interface->down(grab, time, point);
if (serial && wlr_seat_touch_num_points(seat) == 1) {
seat->touch_state.grab_serial = serial;
seat->touch_state.grab_id = touch_id;
}
return serial;
}
void wlr_seat_touch_notify_up(struct wlr_seat *seat, uint32_t time,
int32_t touch_id) {
clock_gettime(CLOCK_MONOTONIC, &seat->last_event);
struct wlr_seat_touch_grab *grab = seat->touch_state.grab;
struct wlr_touch_point *point = wlr_seat_touch_get_point(seat, touch_id);
if (!point) {
wlr_log(L_ERROR, "got touch up for unknown touch point");
return;
}
grab->interface->up(grab, time, point);
touch_point_destroy(point);
}
void wlr_seat_touch_notify_motion(struct wlr_seat *seat, uint32_t time,
int32_t touch_id, double sx, double sy) {
clock_gettime(CLOCK_MONOTONIC, &seat->last_event);
struct wlr_seat_touch_grab *grab = seat->touch_state.grab;
struct wlr_touch_point *point = wlr_seat_touch_get_point(seat, touch_id);
if (!point) {
wlr_log(L_ERROR, "got touch motion for unknown touch point");
return;
}
point->sx = sx;
point->sy = sy;
grab->interface->motion(grab, time, point);
}
static void handle_point_focus_destroy(struct wl_listener *listener,
void *data) {
struct wlr_touch_point *point =
wl_container_of(listener, point, focus_surface_destroy);
touch_point_clear_focus(point);
}
static void touch_point_set_focus(struct wlr_touch_point *point,
struct wlr_surface *surface, double sx, double sy) {
if (point->focus_surface == surface) {
return;
}
touch_point_clear_focus(point);
if (surface && surface->resource) {
struct wlr_seat_client *client =
wlr_seat_client_for_wl_client(point->client->seat,
wl_resource_get_client(surface->resource));
if (client && client->touch) {
wl_signal_add(&surface->events.destroy, &point->focus_surface_destroy);
point->focus_surface_destroy.notify = handle_point_focus_destroy;
point->focus_surface = surface;
point->focus_client = client;
point->sx = sx;
point->sy = sy;
}
}
}
void wlr_seat_touch_point_focus(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t time, int32_t touch_id, double sx,
double sy) {
assert(surface);
struct wlr_touch_point *point = wlr_seat_touch_get_point(seat, touch_id);
if (!point) {
wlr_log(L_ERROR, "got touch point focus for unknown touch point");
return;
}
struct wlr_surface *focus = point->focus_surface;
touch_point_set_focus(point, surface, sx, sy);
if (focus != point->focus_surface) {
struct wlr_seat_touch_grab *grab = seat->touch_state.grab;
grab->interface->enter(grab, time, point);
}
}
void wlr_seat_touch_point_clear_focus(struct wlr_seat *seat, uint32_t time,
int32_t touch_id) {
struct wlr_touch_point *point = wlr_seat_touch_get_point(seat, touch_id);
if (!point) {
wlr_log(L_ERROR, "got touch point focus for unknown touch point");
return;
}
touch_point_clear_focus(point);
}
uint32_t wlr_seat_touch_send_down(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t time, int32_t touch_id, double sx,
double sy) {
struct wlr_touch_point *point = wlr_seat_touch_get_point(seat, touch_id);
if (!point) {
wlr_log(L_ERROR, "got touch down for unknown touch point");
return 0;
}
uint32_t serial = wl_display_next_serial(seat->display);
wl_touch_send_down(point->client->touch, serial, time, surface->resource,
touch_id, wl_fixed_from_double(sx), wl_fixed_from_double(sy));
wl_touch_send_frame(point->client->touch);
return serial;
}
void wlr_seat_touch_send_up(struct wlr_seat *seat, uint32_t time, int32_t touch_id) {
struct wlr_touch_point *point = wlr_seat_touch_get_point(seat, touch_id);
if (!point) {
wlr_log(L_ERROR, "got touch up for unknown touch point");
return;
}
uint32_t serial = wl_display_next_serial(seat->display);
wl_touch_send_up(point->client->touch, serial, time, touch_id);
wl_touch_send_frame(point->client->touch);
}
void wlr_seat_touch_send_motion(struct wlr_seat *seat, uint32_t time, int32_t touch_id,
double sx, double sy) {
struct wlr_touch_point *point = wlr_seat_touch_get_point(seat, touch_id);
if (!point) {
wlr_log(L_ERROR, "got touch motion for unknown touch point");
return;
}
wl_touch_send_motion(point->client->touch, time, touch_id,
wl_fixed_from_double(sx), wl_fixed_from_double(sy));
wl_touch_send_frame(point->client->touch);
}
int wlr_seat_touch_num_points(struct wlr_seat *seat) {
return wl_list_length(&seat->touch_state.touch_points);
}
bool wlr_seat_touch_has_grab(struct wlr_seat *seat) {
return seat->touch_state.grab->interface != &default_touch_grab_impl;
}