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Implement absolute motion events for wayland

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This commit is contained in:
nyorain 2017-06-22 17:54:51 +02:00
parent 0813c1dd39
commit 272030652a
3 changed files with 38 additions and 21 deletions
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13
backend/wayland/backend.c
View file

@ -63,7 +63,7 @@ static bool wlr_wl_backend_init(struct wlr_backend_state* state) {
state->remote_display_src = wl_event_loop_add_fd(loop, fd, events,
dispatch_events, state);
wl_event_source_check(state->remote_display_src);
return true;
}
@ -102,6 +102,17 @@ bool wlr_backend_is_wl(struct wlr_backend *b) {
return b->impl == &backend_impl;
}
struct wlr_output *wlr_wl_output_for_surface(struct wlr_backend_state *backend,
struct wl_surface *surface) {
for (size_t i = 0; i < backend->outputs->length; ++i) {
struct wlr_output *output = backend->outputs->items[i];
if(output->state->surface == surface)
return output;
}
return NULL;
}
struct wlr_backend *wlr_wl_backend_create(struct wl_display *display) {
wlr_log(L_INFO, "Creating wayland backend");

39
backend/wayland/wl_seat.c
View file

@ -17,9 +17,15 @@ static void pointer_handle_enter(void *data, struct wl_pointer *wl_pointer,
wl_fixed_t surface_y) {
struct wlr_input_device *dev = data;
assert(dev && dev->pointer && dev->pointer->state);
struct wlr_pointer_state *state = dev->pointer->state;
state->surface_x = wl_fixed_to_double(surface_x);
state->surface_y = wl_fixed_to_double(surface_y);
struct wlr_output* output = wlr_wl_output_for_surface(dev->state->backend,
surface);
if (!output) {
wlr_log(L_ERROR, "pointer entered invalid surface");
return;
}
dev->pointer->state->current_output = output;
}
static void pointer_handle_leave(void *data, struct wl_pointer *wl_pointer,
@ -32,22 +38,20 @@ static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer,
struct wlr_input_device *dev = data;
assert(dev && dev->pointer && dev->pointer->state);
struct wlr_pointer_state *state = dev->pointer->state;
assert(state->current_output);
double x = wl_fixed_to_double(surface_x);
double y = wl_fixed_to_double(surface_y);
int width, height;
wl_egl_window_get_attached_size(state->current_output->state->egl_window,
&width, &height);
if (x == state->surface_x && y == state->surface_y)
return;
struct wlr_event_pointer_motion wlr_event;
struct wlr_event_pointer_motion_absolute wlr_event;
wlr_event.time_sec = time / 1000;
wlr_event.time_usec = time * 1000;
wlr_event.delta_x = x - state->surface_x;
wlr_event.delta_y = y - state->surface_y;
wl_signal_emit(&dev->pointer->events.motion, &wlr_event);
state->surface_x = x;
state->surface_y = y;
wlr_event.width_mm = width;
wlr_event.height_mm = height;
wlr_event.x_mm = wl_fixed_to_double(surface_x);
wlr_event.y_mm = wl_fixed_to_double(surface_y);
wl_signal_emit(&dev->pointer->events.motion_absolute, &wlr_event);
}
static void pointer_handle_button(void *data, struct wl_pointer *wl_pointer,
@ -73,7 +77,7 @@ static void pointer_handle_axis(void *data, struct wl_pointer *wl_pointer,
wlr_event.orientation = axis;
wlr_event.time_sec = time / 1000;
wlr_event.time_usec = time * 1000;
wlr_event.source = WLR_AXIS_SOURCE_CONTINUOUS; // TODO
wlr_event.source = WLR_AXIS_SOURCE_CONTINUOUS;
wl_signal_emit(&dev->pointer->events.axis, &wlr_event);
}
@ -182,7 +186,8 @@ static struct wlr_input_device *allocate_device(struct wlr_backend_state *state,
return NULL;
}
// TODO: any way to retrieve those information?
devstate->backend = state;
int vendor = 0;
int product = 0;
const char *name = "wayland";

7
include/backend/wayland.h
View file

@ -39,16 +39,17 @@ struct wlr_output_state {
};
struct wlr_input_device_state {
enum wlr_input_device_type type;
struct wlr_backend_state* backend;
void *resource;
};
struct wlr_pointer_state {
double surface_x;
double surface_y;
struct wlr_output *current_output;
};
void wlr_wl_registry_poll(struct wlr_backend_state *backend);
struct wlr_output *wlr_wl_output_for_surface(struct wlr_backend_state *backend,
struct wl_surface *surface);
extern const struct wl_seat_listener seat_listener;