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Implement basic touch support

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This required changing container_at_cursor to container_at_coords so
that we could get the appropriate surface (and sx/xy) without moving the
cursor.

Future work:

- Simulate a cursor for clients which have not bound to wl_touch
- Keep sending motion events when moving outside the surface (#1892)
- Bind gestures to sway commands
This commit is contained in:
Drew DeVault 2018-05-02 09:00:26 -04:00
parent b45e2bd95e
commit 52aa245b24
2 changed files with 66 additions and 19 deletions
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72
sway/input/cursor.c
View file

@ -44,7 +44,8 @@ static struct wlr_surface *layer_surface_at(struct sway_output *output,
* Returns the container at the cursor's position. If there is a surface at that
* location, it is stored in **surface (it may not be a view).
*/
static struct sway_container *container_at_cursor(struct sway_cursor *cursor,
static struct sway_container *container_at_coords(
struct sway_seat *seat, double x, double y,
struct wlr_surface **surface, double *sx, double *sy) {
// check for unmanaged views first
struct wl_list *unmanaged = &root_container.sway_root->xwayland_unmanaged;
@ -53,8 +54,8 @@ static struct sway_container *container_at_cursor(struct sway_cursor *cursor,
struct wlr_xwayland_surface *xsurface =
unmanaged_surface->wlr_xwayland_surface;
double _sx = cursor->cursor->x - unmanaged_surface->lx;
double _sy = cursor->cursor->y - unmanaged_surface->ly;
double _sx = x - unmanaged_surface->lx;
double _sy = y - unmanaged_surface->ly;
if (wlr_surface_point_accepts_input(xsurface->surface, _sx, _sy)) {
*surface = xsurface->surface;
*sx = _sx;
@ -66,18 +67,17 @@ static struct sway_container *container_at_cursor(struct sway_cursor *cursor,
// find the output the cursor is on
struct wlr_output_layout *output_layout =
root_container.sway_root->output_layout;
struct wlr_output *wlr_output = wlr_output_layout_output_at(output_layout,
cursor->cursor->x, cursor->cursor->y);
struct wlr_output *wlr_output = wlr_output_layout_output_at(
output_layout, x, y);
if (wlr_output == NULL) {
return NULL;
}
struct sway_output *output = wlr_output->data;
double ox = cursor->cursor->x, oy = cursor->cursor->y;
double ox = x, oy = y;
wlr_output_layout_output_coords(output_layout, wlr_output, &ox, &oy);
// find the focused workspace on the output for this seat
struct sway_container *ws =
seat_get_focus_inactive(cursor->seat, output->swayc);
struct sway_container *ws = seat_get_focus_inactive(seat, output->swayc);
if (ws && ws->type != C_WORKSPACE) {
ws = container_parent(ws, C_WORKSPACE);
}
@ -107,8 +107,7 @@ static struct sway_container *container_at_cursor(struct sway_cursor *cursor,
}
struct sway_container *c;
if ((c = container_at(ws, cursor->cursor->x, cursor->cursor->y,
surface, sx, sy))) {
if ((c = container_at(ws, x, y, surface, sx, sy))) {
return c;
}
@ -123,7 +122,7 @@ static struct sway_container *container_at_cursor(struct sway_cursor *cursor,
return ws;
}
c = seat_get_focus_inactive(cursor->seat, output->swayc);
c = seat_get_focus_inactive(seat, output->swayc);
if (c) {
return c;
}
@ -143,7 +142,8 @@ void cursor_send_pointer_motion(struct sway_cursor *cursor, uint32_t time_msec)
struct wlr_seat *seat = cursor->seat->wlr_seat;
struct wlr_surface *surface = NULL;
double sx, sy;
struct sway_container *c = container_at_cursor(cursor, &surface, &sx, &sy);
struct sway_container *c = container_at_coords(cursor->seat,
cursor->cursor->x, cursor->cursor->y, &surface, &sx, &sy);
if (c && config->focus_follows_mouse) {
seat_set_focus_warp(cursor->seat, c, false);
}
@ -195,8 +195,8 @@ void dispatch_cursor_button(struct sway_cursor *cursor,
struct wlr_surface *surface = NULL;
double sx, sy;
struct sway_container *cont =
container_at_cursor(cursor, &surface, &sx, &sy);
struct sway_container *cont = container_at_coords(cursor->seat,
cursor->cursor->x, cursor->cursor->y, &surface, &sx, &sy);
if (surface && wlr_surface_is_layer_surface(surface)) {
struct wlr_layer_surface *layer =
wlr_layer_surface_from_wlr_surface(surface);
@ -246,20 +246,58 @@ static void handle_cursor_axis(struct wl_listener *listener, void *data) {
static void handle_touch_down(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(listener, cursor, touch_down);
struct wlr_event_touch_down *event = data;
wlr_log(L_DEBUG, "TODO: handle touch down event: %p", event);
struct wlr_seat *seat = cursor->seat->wlr_seat;
struct wlr_surface *surface = NULL;
double lx, ly;
wlr_cursor_absolute_to_layout_coords(cursor->cursor, event->device,
event->x, event->y, &lx, &ly);
double sx, sy;
container_at_coords(cursor->seat, lx, ly, &surface, &sx, &sy);
if (!surface) {
return;
}
// TODO: fall back to cursor simulation if client has not bound to touch
if (seat_is_input_allowed(cursor->seat, surface)) {
wlr_seat_touch_notify_down(seat, surface, event->time_msec,
event->touch_id, sx, sy);
}
}
static void handle_touch_up(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(listener, cursor, touch_up);
struct wlr_event_touch_up *event = data;
wlr_log(L_DEBUG, "TODO: handle touch up event: %p", event);
struct wlr_seat *seat = cursor->seat->wlr_seat;
// TODO: fall back to cursor simulation if client has not bound to touch
wlr_seat_touch_notify_up(seat, event->time_msec, event->touch_id);
}
static void handle_touch_motion(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor =
wl_container_of(listener, cursor, touch_motion);
struct wlr_event_touch_motion *event = data;
wlr_log(L_DEBUG, "TODO: handle touch motion event: %p", event);
struct wlr_seat *seat = cursor->seat->wlr_seat;
struct wlr_surface *surface = NULL;
double lx, ly;
wlr_cursor_absolute_to_layout_coords(cursor->cursor, event->device,
event->x, event->y, &lx, &ly);
double sx, sy;
container_at_coords(cursor->seat, lx, ly, &surface, &sx, &sy);
if (!surface) {
return;
}
// TODO: fall back to cursor simulation if client has not bound to touch
if (seat_is_input_allowed(cursor->seat, surface)) {
wlr_seat_touch_notify_motion(
seat, event->time_msec, event->touch_id, sx, sy);
}
}
static double apply_mapping_from_coord(double low, double high, double value) {

13
sway/input/seat.c
View file

@ -315,6 +315,13 @@ static void seat_configure_keyboard(struct sway_seat *seat,
}
}
static void seat_configure_touch(struct sway_seat *seat,
struct sway_seat_device *sway_device) {
wlr_cursor_attach_input_device(seat->cursor->cursor,
sway_device->input_device->wlr_device);
seat_apply_input_config(seat, sway_device);
}
static void seat_configure_tablet_tool(struct sway_seat *seat,
struct sway_seat_device *sway_device) {
wlr_cursor_attach_input_device(seat->cursor->cursor,
@ -349,12 +356,14 @@ void seat_configure_device(struct sway_seat *seat,
case WLR_INPUT_DEVICE_KEYBOARD:
seat_configure_keyboard(seat, seat_device);
break;
case WLR_INPUT_DEVICE_TOUCH:
seat_configure_touch(seat, seat_device);
break;
case WLR_INPUT_DEVICE_TABLET_TOOL:
seat_configure_tablet_tool(seat, seat_device);
break;
case WLR_INPUT_DEVICE_TABLET_PAD:
case WLR_INPUT_DEVICE_TOUCH:
wlr_log(L_DEBUG, "TODO: configure other devices");
wlr_log(L_DEBUG, "TODO: configure tablet pad");
break;
}
}