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xdg-shell: rework roles

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This commit is contained in:
Kirill Primak 2023-07-26 11:36:24 +03:00 committed by Simon Ser
parent e5300c225e
commit bd5c4f4a4a
6 changed files with 174 additions and 140 deletions
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11
include/types/wlr_xdg_shell.h
View file

@ -5,16 +5,13 @@
#include <wlr/types/wlr_xdg_shell.h>
#include "xdg-shell-protocol.h"
extern const struct wlr_surface_role xdg_toplevel_surface_role;
extern const struct wlr_surface_role xdg_popup_surface_role;
void create_xdg_surface(struct wlr_xdg_client *client, struct wlr_surface *wlr_surface,
uint32_t id);
void destroy_xdg_surface(struct wlr_xdg_surface *surface);
void destroy_xdg_surface_role_object(struct wlr_xdg_surface *surface);
void xdg_surface_role_commit(struct wlr_surface *wlr_surface);
void xdg_surface_role_unmap(struct wlr_surface *wlr_surface);
void xdg_surface_role_destroy(struct wlr_surface *wlr_surface);
bool set_xdg_surface_role(struct wlr_xdg_surface *surface, enum wlr_xdg_surface_role role);
void set_xdg_surface_role_object(struct wlr_xdg_surface *surface,
struct wl_resource *role_resource);
void create_xdg_positioner(struct wlr_xdg_client *client, uint32_t id);

19
include/wlr/types/wlr_xdg_shell.h
View file

@ -231,8 +231,18 @@ struct wlr_xdg_surface {
struct wl_resource *resource;
struct wlr_surface *surface;
struct wl_list link; // wlr_xdg_client.surfaces
enum wlr_xdg_surface_role role;
/**
* The lifetime-bound role of the xdg_surface. WLR_XDG_SURFACE_ROLE_NONE
* if the role was never set.
*/
enum wlr_xdg_surface_role role;
/**
* The role object representing the role. NULL if the object was destroyed.
*/
struct wl_resource *role_resource;
// NULL if the role resource is inert
union {
struct wlr_xdg_toplevel *toplevel;
struct wlr_xdg_popup *popup;
@ -247,8 +257,6 @@ struct wlr_xdg_surface {
struct wlr_xdg_surface_state current, pending;
struct wl_listener surface_commit;
struct {
struct wl_signal destroy;
struct wl_signal ping_timeout;
@ -260,6 +268,11 @@ struct wlr_xdg_surface {
} events;
void *data;
// private state
bool client_mapped;
struct wl_listener role_resource_destroy;
};
struct wlr_xdg_toplevel_move_event {

35
types/xdg_shell/wlr_xdg_popup.c
View file

@ -361,13 +361,6 @@ static void xdg_popup_handle_resource_destroy(struct wl_resource *resource) {
wlr_xdg_popup_destroy(popup);
}
const struct wlr_surface_role xdg_popup_surface_role = {
.name = "xdg_popup",
.commit = xdg_surface_role_commit,
.unmap = xdg_surface_role_unmap,
.destroy = xdg_surface_role_destroy,
};
void create_xdg_popup(struct wlr_xdg_surface *surface,
struct wlr_xdg_surface *parent,
struct wlr_xdg_positioner *positioner, uint32_t id) {
@ -379,15 +372,7 @@ void create_xdg_popup(struct wlr_xdg_surface *surface,
return;
}
if (surface->role != WLR_XDG_SURFACE_ROLE_NONE) {
wl_resource_post_error(surface->resource,
XDG_SURFACE_ERROR_ALREADY_CONSTRUCTED,
"xdg-surface has already been constructed");
return;
}
if (!wlr_surface_set_role(surface->surface, &xdg_popup_surface_role,
surface->resource, XDG_WM_BASE_ERROR_ROLE)) {
if (!set_xdg_surface_role(surface, WLR_XDG_SURFACE_ROLE_POPUP)) {
return;
}
@ -412,8 +397,6 @@ void create_xdg_popup(struct wlr_xdg_surface *surface,
&xdg_popup_implementation, surface->popup,
xdg_popup_handle_resource_destroy);
wlr_surface_set_role_object(surface->surface, surface->resource);
surface->role = WLR_XDG_SURFACE_ROLE_POPUP;
wlr_xdg_positioner_rules_get_geometry(
@ -429,6 +412,8 @@ void create_xdg_popup(struct wlr_xdg_surface *surface,
} else {
wl_list_init(&surface->popup->link);
}
set_xdg_surface_role_object(surface, surface->popup->resource);
}
void reset_xdg_popup(struct wlr_xdg_popup *popup) {
@ -460,6 +445,17 @@ void reset_xdg_popup(struct wlr_xdg_popup *popup) {
}
void destroy_xdg_popup(struct wlr_xdg_popup *popup) {
wlr_surface_unmap(popup->base->surface);
reset_xdg_popup(popup);
// TODO: improve events
if (popup->base->added) {
wl_signal_emit_mutable(&popup->base->events.destroy, NULL);
popup->base->added = false;
}
popup->base->popup = NULL;
wl_list_remove(&popup->link);
wl_resource_set_user_data(popup->resource, NULL);
free(popup);
@ -476,8 +472,7 @@ void wlr_xdg_popup_destroy(struct wlr_xdg_popup *popup) {
}
xdg_popup_send_popup_done(popup->resource);
wl_resource_set_user_data(popup->resource, NULL);
destroy_xdg_surface_role_object(popup->base);
destroy_xdg_popup(popup);
}
void wlr_xdg_popup_get_toplevel_coords(struct wlr_xdg_popup *popup,

2
types/xdg_shell/wlr_xdg_shell.c
View file

@ -67,7 +67,7 @@ static void xdg_client_handle_resource_destroy(struct wl_resource *resource) {
struct wlr_xdg_surface *surface, *tmp = NULL;
wl_list_for_each_safe(surface, tmp, &client->surfaces, link) {
wlr_surface_destroy_role_object(surface->surface);
destroy_xdg_surface(surface);
}
if (client->ping_timer != NULL) {

203
types/xdg_shell/wlr_xdg_surface.c
View file

@ -5,18 +5,6 @@
#include <wlr/util/log.h>
#include "types/wlr_xdg_shell.h"
struct wlr_xdg_surface *wlr_xdg_surface_try_from_wlr_surface(
struct wlr_surface *surface) {
if (surface->role != &xdg_toplevel_surface_role &&
surface->role != &xdg_popup_surface_role) {
return NULL;
}
if (surface->role_resource == NULL) {
return NULL;
}
return wlr_xdg_surface_from_resource(surface->role_resource);
}
static void xdg_surface_configure_destroy(
struct wlr_xdg_surface_configure *configure) {
if (configure == NULL) {
@ -27,7 +15,16 @@ static void xdg_surface_configure_destroy(
free(configure);
}
// An xdg_surface implementation is reset, when:
// 1) a surface is unmapped due to a commit with NULL buffer, or
// 2) the xdg_surface role object is destroyed, or
// 3) wlr_xdg_surface is destroyed
// An xdg_surface role object implementation is reset, when:
// 1) a surface is unmapped due to a commit with NULL buffer, or
// 2) the xdg_surface role object implementation is destroyed
static void reset_xdg_surface(struct wlr_xdg_surface *surface) {
surface->client_mapped = false;
surface->configured = false;
struct wlr_xdg_popup *popup, *popup_tmp;
@ -35,6 +32,18 @@ static void reset_xdg_surface(struct wlr_xdg_surface *surface) {
wlr_xdg_popup_destroy(popup);
}
struct wlr_xdg_surface_configure *configure, *tmp;
wl_list_for_each_safe(configure, tmp, &surface->configure_list, link) {
xdg_surface_configure_destroy(configure);
}
if (surface->configure_idle) {
wl_event_source_remove(surface->configure_idle);
surface->configure_idle = NULL;
}
}
static void reset_xdg_surface_role_object(struct wlr_xdg_surface *surface) {
switch (surface->role) {
case WLR_XDG_SURFACE_ROLE_TOPLEVEL:
if (surface->toplevel != NULL) {
@ -49,16 +58,6 @@ static void reset_xdg_surface(struct wlr_xdg_surface *surface) {
case WLR_XDG_SURFACE_ROLE_NONE:
break;
}
struct wlr_xdg_surface_configure *configure, *tmp;
wl_list_for_each_safe(configure, tmp, &surface->configure_list, link) {
xdg_surface_configure_destroy(configure);
}
if (surface->configure_idle) {
wl_event_source_remove(surface->configure_idle);
surface->configure_idle = NULL;
}
}
static void xdg_surface_handle_ack_configure(struct wl_client *client,
@ -241,7 +240,7 @@ static void xdg_surface_handle_destroy(struct wl_client *client,
return;
}
if (surface->role != WLR_XDG_SURFACE_ROLE_NONE) {
if (surface->role_resource != NULL) {
wl_resource_post_error(resource,
XDG_SURFACE_ERROR_DEFUNCT_ROLE_OBJECT,
"surface was destroyed before its role object");
@ -259,54 +258,48 @@ static const struct xdg_surface_interface xdg_surface_implementation = {
.set_window_geometry = xdg_surface_handle_set_window_geometry,
};
static void xdg_surface_handle_resource_destroy(struct wl_resource *resource) {
struct wlr_xdg_surface *surface =
wlr_xdg_surface_from_resource(resource);
if (surface != NULL) {
wlr_surface_destroy_role_object(surface->surface);
}
}
static void xdg_surface_role_commit(struct wlr_surface *wlr_surface) {
struct wlr_xdg_surface *surface = wlr_xdg_surface_try_from_wlr_surface(wlr_surface);
assert(surface != NULL);
static void xdg_surface_handle_surface_commit(struct wl_listener *listener,
void *data) {
struct wlr_xdg_surface *surface =
wl_container_of(listener, surface, surface_commit);
if (wlr_surface_has_buffer(surface->surface) && !surface->configured) {
if (wlr_surface_has_buffer(wlr_surface) && !surface->configured) {
wl_resource_post_error(surface->resource,
XDG_SURFACE_ERROR_UNCONFIGURED_BUFFER,
"xdg_surface has never been configured");
return;
}
// surface->role might be NONE for inert popups
// So we check surface->surface->role
if (surface->surface->role == NULL) {
if (surface->role_resource == NULL) {
wl_resource_post_error(surface->resource,
XDG_SURFACE_ERROR_NOT_CONSTRUCTED,
"xdg_surface must have a role");
"xdg_surface must have a role object");
return;
}
}
void xdg_surface_role_commit(struct wlr_surface *wlr_surface) {
struct wlr_xdg_surface *surface = wlr_xdg_surface_try_from_wlr_surface(wlr_surface);
assert(surface != NULL);
if (surface->client_mapped && !wlr_surface_has_buffer(wlr_surface)) {
// This commit has unmapped the surface
reset_xdg_surface_role_object(surface);
reset_xdg_surface(surface);
}
surface->current = surface->pending;
switch (surface->role) {
case WLR_XDG_SURFACE_ROLE_NONE:
// inert toplevel or popup
assert(0 && "not reached");
return;
case WLR_XDG_SURFACE_ROLE_TOPLEVEL:
if (surface->toplevel != NULL) {
handle_xdg_toplevel_committed(surface->toplevel);
} else {
return;
}
break;
case WLR_XDG_SURFACE_ROLE_POPUP:
if (surface->popup != NULL) {
handle_xdg_popup_committed(surface->popup);
} else {
return;
}
break;
}
@ -317,33 +310,43 @@ void xdg_surface_role_commit(struct wlr_surface *wlr_surface) {
surface);
}
if (surface->configured && wlr_surface_has_buffer(wlr_surface)) {
if (wlr_surface_has_buffer(wlr_surface)) {
surface->client_mapped = true;
wlr_surface_map(wlr_surface);
}
}
void xdg_surface_role_unmap(struct wlr_surface *wlr_surface) {
static void xdg_surface_role_destroy(struct wlr_surface *wlr_surface) {
struct wlr_xdg_surface *surface = wlr_xdg_surface_try_from_wlr_surface(wlr_surface);
assert(surface != NULL);
if (surface == NULL) {
// This is the only time xdg_surface can be inert
return;
}
reset_xdg_surface(surface);
destroy_xdg_surface(surface);
}
void xdg_surface_role_destroy(struct wlr_surface *wlr_surface) {
struct wlr_xdg_surface *surface = wlr_xdg_surface_try_from_wlr_surface(wlr_surface);
assert(surface != NULL);
static struct wlr_surface_role xdg_surface_role = {
.name = "xdg_surface",
.commit = xdg_surface_role_commit,
.destroy = xdg_surface_role_destroy,
};
destroy_xdg_surface_role_object(surface);
wl_list_remove(&surface->link);
wl_list_remove(&surface->surface_commit.link);
wl_resource_set_user_data(surface->resource, NULL);
free(surface);
struct wlr_xdg_surface *wlr_xdg_surface_try_from_wlr_surface(
struct wlr_surface *surface) {
if (surface->role != &xdg_surface_role || surface->role_resource == NULL) {
return NULL;
}
return wlr_xdg_surface_from_resource(surface->role_resource);
}
void create_xdg_surface(struct wlr_xdg_client *client, struct wlr_surface *wlr_surface,
uint32_t id) {
if (!wlr_surface_set_role(wlr_surface, &xdg_surface_role, client->resource,
XDG_WM_BASE_ERROR_ROLE)) {
return;
}
struct wlr_xdg_surface *surface =
calloc(1, sizeof(struct wlr_xdg_surface));
if (surface == NULL) {
@ -381,49 +384,91 @@ void create_xdg_surface(struct wlr_xdg_client *client, struct wlr_surface *wlr_s
wl_signal_init(&surface->events.configure);
wl_signal_init(&surface->events.ack_configure);
wl_signal_add(&surface->surface->events.commit,
&surface->surface_commit);
surface->surface_commit.notify = xdg_surface_handle_surface_commit;
wlr_log(WLR_DEBUG, "new xdg_surface %p (res %p)", surface,
surface->resource);
wl_resource_set_implementation(surface->resource,
&xdg_surface_implementation, surface,
xdg_surface_handle_resource_destroy);
&xdg_surface_implementation, surface, NULL);
wl_list_insert(&client->surfaces, &surface->link);
wlr_surface_set_role_object(wlr_surface, surface->resource);
}
void destroy_xdg_surface_role_object(struct wlr_xdg_surface *surface) {
if (surface->surface->mapped) {
wlr_surface_unmap(surface->surface);
} else {
reset_xdg_surface(surface);
bool set_xdg_surface_role(struct wlr_xdg_surface *surface, enum wlr_xdg_surface_role role) {
assert(role != WLR_XDG_SURFACE_ROLE_NONE);
static const char *role_names[] = {
[WLR_XDG_SURFACE_ROLE_TOPLEVEL] = "xdg_toplevel",
[WLR_XDG_SURFACE_ROLE_POPUP] = "xdg_popup",
};
if (surface->role != WLR_XDG_SURFACE_ROLE_NONE && surface->role != role) {
wl_resource_post_error(surface->client->resource, XDG_WM_BASE_ERROR_ROLE,
"Cannot assign role %s to xdg_surface@%" PRIu32 ", already has role %s",
role_names[role], wl_resource_get_id(surface->resource),
role_names[surface->role]);
return false;
}
if (surface->role_resource != NULL) {
wl_resource_post_error(surface->client->resource, XDG_WM_BASE_ERROR_ROLE,
"Cannot reassign role %s to xdg_surface@%" PRIu32 ", role object still exists",
role_names[role], wl_resource_get_id(surface->resource));
return false;
}
if (surface->added) {
wl_signal_emit_mutable(&surface->events.destroy, NULL);
surface->added = false;
surface->role = role;
return true;
}
static void destroy_xdg_surface_role_object(struct wlr_xdg_surface *surface) {
if (surface->role_resource == NULL) {
return;
}
switch (surface->role) {
case WLR_XDG_SURFACE_ROLE_NONE:
assert(0 && "not reached");
break;
case WLR_XDG_SURFACE_ROLE_TOPLEVEL:
if (surface->toplevel != NULL) {
destroy_xdg_toplevel(surface->toplevel);
surface->toplevel = NULL;
}
break;
case WLR_XDG_SURFACE_ROLE_POPUP:
if (surface->popup != NULL) {
destroy_xdg_popup(surface->popup);
surface->popup = NULL;
}
break;
case WLR_XDG_SURFACE_ROLE_NONE:
// This space is intentionally left blank
break;
}
surface->role = WLR_XDG_SURFACE_ROLE_NONE;
surface->role_resource = NULL;
wl_list_remove(&surface->role_resource_destroy.link);
wl_list_init(&surface->role_resource_destroy.link);
}
static void xdg_surface_handle_role_resource_destroy(struct wl_listener *listener, void *data) {
struct wlr_xdg_surface *surface = wl_container_of(listener, surface, role_resource_destroy);
destroy_xdg_surface_role_object(surface);
reset_xdg_surface(surface);
}
void set_xdg_surface_role_object(struct wlr_xdg_surface *surface,
struct wl_resource *role_resource) {
assert(surface->role != WLR_XDG_SURFACE_ROLE_NONE);
assert(surface->role_resource == NULL);
assert(role_resource != NULL);
surface->role_resource = role_resource;
surface->role_resource_destroy.notify = xdg_surface_handle_role_resource_destroy;
wl_resource_add_destroy_listener(role_resource, &surface->role_resource_destroy);
}
void destroy_xdg_surface(struct wlr_xdg_surface *surface) {
destroy_xdg_surface_role_object(surface);
reset_xdg_surface(surface);
wl_list_remove(&surface->link);
wl_resource_set_user_data(surface->resource, NULL);
free(surface);
}
struct wlr_xdg_surface *wlr_xdg_surface_from_resource(

44
types/xdg_shell/wlr_xdg_toplevel.c
View file

@ -469,33 +469,9 @@ static const struct xdg_toplevel_interface xdg_toplevel_implementation = {
.set_minimized = xdg_toplevel_handle_set_minimized,
};
static void xdg_toplevel_handle_resource_destroy(struct wl_resource *resource) {
struct wlr_xdg_toplevel *toplevel =
wlr_xdg_toplevel_from_resource(resource);
if (toplevel == NULL) {
return;
}
destroy_xdg_surface_role_object(toplevel->base);
}
const struct wlr_surface_role xdg_toplevel_surface_role = {
.name = "xdg_toplevel",
.commit = xdg_surface_role_commit,
.unmap = xdg_surface_role_unmap,
.destroy = xdg_surface_role_destroy,
};
void create_xdg_toplevel(struct wlr_xdg_surface *surface,
uint32_t id) {
if (!wlr_surface_set_role(surface->surface, &xdg_toplevel_surface_role,
surface->resource, XDG_WM_BASE_ERROR_ROLE)) {
return;
}
if (surface->role != WLR_XDG_SURFACE_ROLE_NONE) {
wl_resource_post_error(surface->resource,
XDG_SURFACE_ERROR_ALREADY_CONSTRUCTED,
"xdg-surface has already been constructed");
if (!set_xdg_surface_role(surface, WLR_XDG_SURFACE_ROLE_TOPLEVEL)) {
return;
}
@ -527,12 +503,9 @@ void create_xdg_toplevel(struct wlr_xdg_surface *surface,
return;
}
wl_resource_set_implementation(surface->toplevel->resource,
&xdg_toplevel_implementation, surface->toplevel,
xdg_toplevel_handle_resource_destroy);
&xdg_toplevel_implementation, surface->toplevel, NULL);
wlr_surface_set_role_object(surface->surface, surface->resource);
surface->role = WLR_XDG_SURFACE_ROLE_TOPLEVEL;
set_xdg_surface_role_object(surface, surface->toplevel->resource);
}
void reset_xdg_toplevel(struct wlr_xdg_toplevel *toplevel) {
@ -557,6 +530,17 @@ void reset_xdg_toplevel(struct wlr_xdg_toplevel *toplevel) {
}
void destroy_xdg_toplevel(struct wlr_xdg_toplevel *toplevel) {
wlr_surface_unmap(toplevel->base->surface);
reset_xdg_toplevel(toplevel);
// TODO: improve events
if (toplevel->base->added) {
wl_signal_emit_mutable(&toplevel->base->events.destroy, NULL);
toplevel->base->added = false;
}
toplevel->base->toplevel = NULL;
wl_resource_set_user_data(toplevel->resource, NULL);
free(toplevel);
}