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xdg-popup: basic pointer grab

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This commit is contained in:
Tony Crisci 2017-10-06 06:54:43 -04:00
parent 7b697fe841
commit d3ebf99b0f
2 changed files with 123 additions and 1 deletions
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14
include/wlr/types/wlr_xdg_shell_v6.h
View file

@ -2,11 +2,13 @@
#define WLR_TYPES_WLR_XDG_SHELL_V6_H
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_seat.h>
#include <wayland-server.h>
struct wlr_xdg_shell_v6 {
struct wl_global *wl_global;
struct wl_list clients;
struct wl_list popup_grabs;
uint32_t ping_timeout;
struct {
@ -36,6 +38,18 @@ struct wlr_xdg_popup_v6 {
struct wlr_xdg_surface_v6 *parent;
struct wlr_seat *seat;
struct wlr_box geometry;
struct wl_list grab_link; // wlr_xdg_popup_grab_v6::popups
};
// each seat gets a popup grab
struct wlr_xdg_popup_grab_v6 {
struct wl_client *client;
struct wlr_seat_pointer_grab pointer_grab;
struct wlr_seat *seat;
struct wl_list popups;
struct wl_list link; // wlr_xdg_shell_v6::popup_grabs
// TODO: seat_handle destroy will release the grab
};
enum wlr_xdg_surface_v6_role {

110
types/wlr_xdg_shell_v6.c
View file

@ -56,8 +56,10 @@ static void xdg_surface_destroy(struct wlr_xdg_surface_v6 *surface) {
}
if (surface->role == WLR_XDG_SURFACE_V6_ROLE_POPUP) {
// TODO: get the current grab and if it has no more popups, end the grab
wl_resource_set_user_data(surface->popup_state->resource, NULL);
wl_list_remove(&surface->popup_link);
wl_list_remove(&surface->popup_state->grab_link);
free(surface->popup_state);
}
@ -203,10 +205,114 @@ static void xdg_shell_create_positioner(struct wl_client *wl_client,
positioner, xdg_positioner_destroy);
}
static void xdg_pointer_grab_end(struct wlr_seat_pointer_grab *grab) {
struct wlr_xdg_popup_grab_v6 *popup_grab = grab->data;
struct wlr_xdg_popup_v6 *popup, *tmp;
wl_list_for_each_safe(popup, tmp, &popup_grab->popups, grab_link) {
wl_list_remove(&popup->grab_link);
wl_list_init(&popup->grab_link);
zxdg_popup_v6_send_popup_done(popup->resource);
}
wlr_seat_pointer_end_grab(grab->seat);
}
static void xdg_pointer_grab_enter(struct wlr_seat_pointer_grab *grab,
struct wlr_surface *surface, double sx, double sy) {
struct wlr_xdg_popup_grab_v6 *popup_grab = grab->data;
if (wl_resource_get_client(surface->resource) == popup_grab->client) {
wlr_seat_pointer_enter(grab->seat, surface, sx, sy);
} else {
wlr_seat_pointer_clear_focus(grab->seat);
}
}
static void xdg_pointer_grab_motion(struct wlr_seat_pointer_grab *grab,
uint32_t time, double sx, double sy) {
wlr_seat_pointer_send_motion(grab->seat, time, sx, sy);
}
static uint32_t xdg_pointer_grab_button(struct wlr_seat_pointer_grab *grab,
uint32_t time, uint32_t button, uint32_t state) {
uint32_t serial =
wlr_seat_pointer_send_button(grab->seat, time, button, state);
if (serial) {
return serial;
} else {
xdg_pointer_grab_end(grab);
return 0;
}
}
static void xdg_pointer_grab_axis(struct wlr_seat_pointer_grab *grab,
uint32_t time, enum wlr_axis_orientation orientation, double value) {
wlr_seat_pointer_send_axis(grab->seat, time, orientation, value);
}
static void xdg_pointer_grab_cancel(struct wlr_seat_pointer_grab *grab) {
xdg_pointer_grab_end(grab);
}
static const struct wlr_pointer_grab_interface xdg_pointer_grab_impl = {
.enter = xdg_pointer_grab_enter,
.motion = xdg_pointer_grab_motion,
.button = xdg_pointer_grab_button,
.cancel = xdg_pointer_grab_cancel,
};
static struct wlr_xdg_popup_grab_v6 *xdg_shell_popup_grab_from_seat(
struct wlr_xdg_shell_v6 *shell, struct wlr_seat *seat) {
struct wlr_xdg_popup_grab_v6 *xdg_grab;
wl_list_for_each(xdg_grab, &shell->popup_grabs, link) {
if (xdg_grab->seat == seat) {
return xdg_grab;
}
}
xdg_grab = calloc(1, sizeof(struct wlr_xdg_popup_grab_v6));
if (!xdg_grab) {
return NULL;
}
xdg_grab->pointer_grab.data = xdg_grab;
xdg_grab->pointer_grab.interface = &xdg_pointer_grab_impl;
// TODO: keyboard grab
wl_list_init(&xdg_grab->popups);
wl_list_insert(&shell->popup_grabs, &xdg_grab->link);
xdg_grab->seat = seat;
return xdg_grab;
}
static void xdg_popup_protocol_grab(struct wl_client *client,
struct wl_resource *resource, struct wl_resource *seat_resource,
uint32_t serial) {
wlr_log(L_DEBUG, "TODO: xdg popup grab");
struct wlr_xdg_surface_v6 *surface = wl_resource_get_user_data(resource);
struct wlr_seat_handle *handle = wl_resource_get_user_data(seat_resource);
//bool parent_is_toplevel =
//surface->popup_state->parent->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL;
// TODO: handle make sure the grab is valid for the protocol
if (surface->popup_state->committed) {
wl_resource_post_error(surface->popup_state->resource,
ZXDG_POPUP_V6_ERROR_INVALID_GRAB,
"xdg_popup is already mapped");
return;
}
struct wlr_xdg_popup_grab_v6 *popup_grab =
xdg_shell_popup_grab_from_seat(surface->client->shell,
handle->wlr_seat);
popup_grab->client = surface->client->client;
wl_list_insert(&popup_grab->popups, &surface->popup_state->grab_link);
wlr_seat_pointer_start_grab(handle->wlr_seat, &popup_grab->pointer_grab);
}
static const struct zxdg_popup_v6_interface zxdg_popup_v6_implementation = {
@ -318,6 +424,7 @@ static void xdg_surface_get_popup(struct wl_client *client,
surface->popup_state->parent = parent;
surface->popup_state->geometry =
xdg_positioner_get_geometry(positioner, surface, parent);
wl_list_init(&surface->popup_state->grab_link);
wl_list_insert(&surface->popup_state->parent->popups,
&surface->popup_link);
@ -1037,6 +1144,7 @@ struct wlr_xdg_shell_v6 *wlr_xdg_shell_v6_create(struct wl_display *display) {
xdg_shell->ping_timeout = 10000;
wl_list_init(&xdg_shell->clients);
wl_list_init(&xdg_shell->popup_grabs);
struct wl_global *wl_global = wl_global_create(display,
&zxdg_shell_v6_interface, 1, xdg_shell, xdg_shell_bind);