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wlr_seat: pointer events

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This commit is contained in:
Tony Crisci 2017-09-20 07:32:28 -04:00
parent aeaa983631
commit 8b74450b39
3 changed files with 254 additions and 6 deletions
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131
types/wlr_seat.c
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@ -4,6 +4,7 @@
#include <string.h>
#include <wayland-server.h>
#include <wlr/types/wlr_seat.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/util/log.h>
static void resource_destroy(struct wl_client *client,
@ -109,8 +110,12 @@ static void wl_seat_get_touch(struct wl_client *client,
handle, &wl_touch_destroy);
}
static void wl_seat_destroy(struct wl_resource *resource) {
static void wlr_seat_handle_resource_destroy(struct wl_resource *resource) {
struct wlr_seat_handle *handle = wl_resource_get_user_data(resource);
if (handle == handle->wlr_seat->pointer_state.focused_handle) {
handle->wlr_seat->pointer_state.focused_handle = NULL;
}
if (handle->pointer) {
wl_resource_destroy(handle->pointer);
}
@ -150,7 +155,7 @@ static void wl_seat_bind(struct wl_client *wl_client, void *_wlr_seat,
wl_client, &wl_seat_interface, version, id);
handle->wlr_seat = wlr_seat;
wl_resource_set_implementation(handle->wl_resource, &wl_seat_impl,
handle, wl_seat_destroy);
handle, wlr_seat_handle_resource_destroy);
wl_list_insert(&wlr_seat->handles, &handle->link);
wl_seat_send_capabilities(handle->wl_resource, wlr_seat->capabilities);
wl_signal_emit(&wlr_seat->events.client_bound, handle);
@ -161,6 +166,9 @@ struct wlr_seat *wlr_seat_create(struct wl_display *display, const char *name) {
if (!wlr_seat) {
return NULL;
}
wlr_seat->pointer_state.wlr_seat = wlr_seat;
struct wl_global *wl_global = wl_global_create(display,
&wl_seat_interface, 6, wlr_seat, wl_seat_bind);
if (!wl_global) {
@ -168,11 +176,17 @@ struct wlr_seat *wlr_seat_create(struct wl_display *display, const char *name) {
return NULL;
}
wlr_seat->wl_global = wl_global;
wlr_seat->display = display;
wlr_seat->name = strdup(name);
wl_list_init(&wlr_seat->handles);
wl_signal_init(&wlr_seat->events.client_bound);
wl_signal_init(&wlr_seat->events.client_unbound);
wl_signal_init(&wlr_seat->events.keyboard_bound);
wl_list_init(&wlr_seat->pointer_state.focus_resource_destroy_listener.link);
wl_list_init(&wlr_seat->pointer_state.focus_surface_destroy_listener.link);
return wlr_seat;
}
@ -222,3 +236,116 @@ void wlr_seat_set_name(struct wlr_seat *wlr_seat, const char *name) {
wl_seat_send_name(handle->wl_resource, name);
}
}
bool wlr_seat_pointer_surface_has_focus(struct wlr_seat *wlr_seat,
struct wlr_surface *surface) {
return surface == wlr_seat->pointer_state.focused_surface;
}
static void handle_pointer_focus_surface_destroyed(
struct wl_listener *listener, void *data) {
struct wlr_seat_pointer_state *state =
wl_container_of(listener, state, focus_surface_destroy_listener);
state->focused_surface = NULL;
wlr_seat_pointer_clear_focus(state->wlr_seat);
}
static void handle_pointer_focus_resource_destroyed(
struct wl_listener *listener, void *data) {
struct wlr_seat_pointer_state *state =
wl_container_of(listener, state, focus_resource_destroy_listener);
state->focused_surface = NULL;
wlr_seat_pointer_clear_focus(state->wlr_seat);
}
void wlr_seat_pointer_enter(struct wlr_seat *wlr_seat,
struct wlr_surface *surface, int32_t sx, int32_t sy) {
assert(wlr_seat);
if (wlr_seat->pointer_state.focused_surface == surface) {
// this surface already got an enter notify
return;
}
struct wlr_seat_handle *handle = NULL;
if (surface) {
struct wl_client *client = wl_resource_get_client(surface->resource);
handle = wlr_seat_handle_for_client(wlr_seat, client);
}
struct wlr_seat_handle *focused_handle =
wlr_seat->pointer_state.focused_handle;
struct wlr_surface *focused_surface =
wlr_seat->pointer_state.focused_surface;
// leave the previously entered surface
if (focused_handle && focused_surface) {
uint32_t serial = wl_display_next_serial(wlr_seat->display);
wl_pointer_send_leave(focused_handle->pointer, serial,
focused_surface->resource);
wl_pointer_send_frame(focused_handle->pointer);
}
// enter the current surface
if (handle) {
uint32_t serial = wl_display_next_serial(wlr_seat->display);
wl_pointer_send_enter(handle->pointer, serial, surface->resource,
wl_fixed_from_int(sx), wl_fixed_from_int(sy));
wl_pointer_send_frame(handle->pointer);
}
// reinitialize the focus destroy events
wl_list_remove(
&wlr_seat->pointer_state.focus_surface_destroy_listener.link);
wl_list_init(&wlr_seat->pointer_state.focus_surface_destroy_listener.link);
wl_list_remove(
&wlr_seat->pointer_state.focus_resource_destroy_listener.link);
wl_list_init(&wlr_seat->pointer_state.focus_resource_destroy_listener.link);
if (surface) {
wl_signal_add(&surface->signals.destroy,
&wlr_seat->pointer_state.focus_surface_destroy_listener);
wl_resource_add_destroy_listener(surface->resource,
&wlr_seat->pointer_state.focus_resource_destroy_listener);
wlr_seat->pointer_state.focus_resource_destroy_listener.notify =
handle_pointer_focus_resource_destroyed;
wlr_seat->pointer_state.focus_surface_destroy_listener.notify =
handle_pointer_focus_surface_destroyed;
}
wlr_seat->pointer_state.focused_handle = handle;
wlr_seat->pointer_state.focused_surface = surface;
// TODO: send focus change event
}
void wlr_seat_pointer_clear_focus(struct wlr_seat *wlr_seat) {
wlr_seat_pointer_enter(wlr_seat, NULL, 0, 0);
}
void wlr_seat_pointer_send_motion(struct wlr_seat *wlr_seat, uint32_t time,
int32_t sx, int32_t sy) {
if (!wlr_seat->pointer_state.focused_handle) {
// nobody to send the event to
return;
}
wl_pointer_send_motion(wlr_seat->pointer_state.focused_handle->pointer,
time, wl_fixed_from_int(sx), wl_fixed_from_int(sy));
wl_pointer_send_frame(wlr_seat->pointer_state.focused_handle->pointer);
}
void wlr_seat_pointer_send_button(struct wlr_seat *wlr_seat, uint32_t time,
uint32_t button, enum wlr_button_state state) {
if (!wlr_seat->pointer_state.focused_handle) {
// nobody to send the event to
return;
}
uint32_t serial = wl_display_next_serial(wlr_seat->display);
wl_pointer_send_button(wlr_seat->pointer_state.focused_handle->pointer,
serial, time, button, state);
wl_pointer_send_frame(wlr_seat->pointer_state.focused_handle->pointer);
}