types: add wlr_xdg_foreign_registry

This commit is contained in:
Ilia Bozhinov 2021-01-05 20:18:38 +01:00 committed by Simon Ser
parent 42d033e738
commit 37602e153b
8 changed files with 183 additions and 8 deletions

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@ -7,6 +7,11 @@ endif
if conf_data.get('WLR_HAS_XWAYLAND', 0) != 1 if conf_data.get('WLR_HAS_XWAYLAND', 0) != 1
exclude_files += 'xwayland.h' exclude_files += 'xwayland.h'
endif endif
if conf_data.get('WLR_HAS_XDG_FOREIGN', 0) != 1
exclude_files += [
'types/wlr_xdg_foreign_registry.h',
]
endif
install_subdir('wlr', install_subdir('wlr',
install_dir: get_option('includedir'), install_dir: get_option('includedir'),

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@ -13,4 +13,6 @@
#mesondefine WLR_HAS_XCB_ERRORS #mesondefine WLR_HAS_XCB_ERRORS
#mesondefine WLR_HAS_XCB_ICCCM #mesondefine WLR_HAS_XCB_ICCCM
#mesondefine WLR_HAS_XDG_FOREIGN
#endif #endif

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@ -0,0 +1,75 @@
/*
* This an unstable interface of wlroots. No guarantees are made regarding the
* future consistency of this API.
*/
#ifndef WLR_USE_UNSTABLE
#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
#endif
#ifndef WLR_TYPES_WLR_XDG_FOREIGN_REGISTRY_H
#define WLR_TYPES_WLR_XDG_FOREIGN_REGISTRY_H
#include <wayland-server-core.h>
#define WLR_XDG_FOREIGN_HANDLE_SIZE 37
/**
* wlr_xdg_foreign_registry is used for storing a list of exported surfaces with
* the xdg-foreign family of protocols.
*
* It can be used to allow interoperability between clients using different
* versions of the protocol (if all versions use the same registry).
*/
struct wlr_xdg_foreign_registry {
struct wl_list exported_surfaces; // struct wlr_xdg_foreign_exported_surface
struct wl_listener display_destroy;
struct {
struct wl_signal destroy;
} events;
};
struct wlr_xdg_foreign_exported {
struct wl_list link; // wlr_xdg_foreign_registry::exported_surfaces
struct wlr_xdg_foreign_registry *registry;
struct wlr_surface *surface;
char handle[WLR_XDG_FOREIGN_HANDLE_SIZE];
struct {
struct wl_signal destroy;
} events;
};
/**
* Create an empty wlr_xdg_foreign_registry.
*
* It will be destroyed when the associated display is destroyed.
*/
struct wlr_xdg_foreign_registry *wlr_xdg_foreign_registry_create(
struct wl_display *display);
/**
* Add the given exported surface to the registry and assign it a unique handle.
* The caller is responsible for removing the exported surface from the repository
* if it is destroyed.
*
* Returns true if the initialization was successful.
*/
bool wlr_xdg_foreign_exported_init(struct wlr_xdg_foreign_exported *surface,
struct wlr_xdg_foreign_registry *registry);
/**
* Find an exported surface with the given handle, or NULL if such a surface
* does not exist.
*/
struct wlr_xdg_foreign_exported *wlr_xdg_foreign_registry_find_by_handle(
struct wlr_xdg_foreign_registry *registry, const char *handle);
/**
* Remove the given surface from the registry it was previously added in.
*/
void wlr_xdg_foreign_exported_finish(struct wlr_xdg_foreign_exported *surface);
#endif

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@ -87,6 +87,7 @@ conf_data.set10('WLR_HAS_X11_BACKEND', false)
conf_data.set10('WLR_HAS_XWAYLAND', false) conf_data.set10('WLR_HAS_XWAYLAND', false)
conf_data.set10('WLR_HAS_XCB_ERRORS', false) conf_data.set10('WLR_HAS_XCB_ERRORS', false)
conf_data.set10('WLR_HAS_XCB_ICCCM', false) conf_data.set10('WLR_HAS_XCB_ICCCM', false)
conf_data.set10('WLR_HAS_XDG_FOREIGN', false)
# Clang complains about some zeroed initializer lists (= {0}), even though they # Clang complains about some zeroed initializer lists (= {0}), even though they
# are valid # are valid
@ -109,8 +110,16 @@ pixman = dependency('pixman-1')
math = cc.find_library('m') math = cc.find_library('m')
rt = cc.find_library('rt') rt = cc.find_library('rt')
if not get_option('xdg-foreign').disabled()
uuid = dependency('uuid', required: false) uuid = dependency('uuid', required: false)
uuid_create = cc.has_function('uuid_create') uuid_create = cc.has_function('uuid_create')
if uuid.found() or uuid_create
conf_data.set10('WLR_HAS_XDG_FOREIGN', true)
elif get_option('xdg-foreign').enabled()
error('Missing dependency uuid and uuid_create function not available ' +
'cannot build with xdg-foreign support')
endif
endif
wlr_files = [] wlr_files = []
wlr_deps = [ wlr_deps = [
@ -171,6 +180,7 @@ summary({
'x11_backend': conf_data.get('WLR_HAS_X11_BACKEND', 0) == 1, 'x11_backend': conf_data.get('WLR_HAS_X11_BACKEND', 0) == 1,
'xcb-icccm': conf_data.get('WLR_HAS_XCB_ICCCM', 0) == 1, 'xcb-icccm': conf_data.get('WLR_HAS_XCB_ICCCM', 0) == 1,
'xcb-errors': conf_data.get('WLR_HAS_XCB_ERRORS', 0) == 1, 'xcb-errors': conf_data.get('WLR_HAS_XCB_ERRORS', 0) == 1,
'xdg-foreign': conf_data.get('WLR_HAS_XDG_FOREIGN', 0) == 1,
}, bool_yn: true) }, bool_yn: true)
if get_option('examples') if get_option('examples')

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@ -7,3 +7,4 @@ option('xwayland', type: 'feature', value: 'auto', yield: true, description: 'En
option('x11-backend', type: 'feature', value: 'auto', description: 'Enable X11 backend') option('x11-backend', type: 'feature', value: 'auto', description: 'Enable X11 backend')
option('examples', type: 'boolean', value: true, description: 'Build example applications') option('examples', type: 'boolean', value: true, description: 'Build example applications')
option('icon_directory', description: 'Location used to look for cursors (default: ${datadir}/icons)', type: 'string', value: '') option('icon_directory', description: 'Location used to look for cursors (default: ${datadir}/icons)', type: 'string', value: '')
option('xdg-foreign', type: 'feature', value: 'auto', description: 'Enable xdg-foreign protocol')

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@ -66,3 +66,9 @@ wlr_files += files(
'wlr_xdg_decoration_v1.c', 'wlr_xdg_decoration_v1.c',
'wlr_xdg_output_v1.c', 'wlr_xdg_output_v1.c',
) )
if conf_data.get('WLR_HAS_XDG_FOREIGN', 0) == 1
wlr_files += files(
'wlr_xdg_foreign_registry.c',
)
endif

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@ -0,0 +1,73 @@
#include <wlr/types/wlr_xdg_foreign_registry.h>
#include "util/signal.h"
#include "util/uuid.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
bool wlr_xdg_foreign_exported_init(
struct wlr_xdg_foreign_exported *exported,
struct wlr_xdg_foreign_registry *registry) {
do {
if (!generate_uuid(exported->handle)) {
return false;
}
} while (wlr_xdg_foreign_registry_find_by_handle(registry, exported->handle) != NULL);
exported->registry = registry;
wl_list_insert(&registry->exported_surfaces, &exported->link);
wl_signal_init(&exported->events.destroy);
return true;
}
struct wlr_xdg_foreign_exported *wlr_xdg_foreign_registry_find_by_handle(
struct wlr_xdg_foreign_registry *registry, const char *handle) {
if (handle == NULL || strlen(handle) >= WLR_XDG_FOREIGN_HANDLE_SIZE) {
return NULL;
}
struct wlr_xdg_foreign_exported *exported;
wl_list_for_each(exported, &registry->exported_surfaces, link) {
if (strcmp(handle, exported->handle) == 0) {
return exported;
}
}
return NULL;
}
void wlr_xdg_foreign_exported_finish(struct wlr_xdg_foreign_exported *surface) {
wlr_signal_emit_safe(&surface->events.destroy, NULL);
surface->registry = NULL;
wl_list_remove(&surface->link);
wl_list_init(&surface->link);
}
static void foreign_registry_handle_display_destroy(struct wl_listener *listener,
void *data) {
struct wlr_xdg_foreign_registry *registry =
wl_container_of(listener, registry, display_destroy);
wlr_signal_emit_safe(&registry->events.destroy, NULL);
// Implementations are supposed to remove all surfaces
assert(wl_list_empty(&registry->exported_surfaces));
free(registry);
}
struct wlr_xdg_foreign_registry *wlr_xdg_foreign_registry_create(
struct wl_display *display) {
struct wlr_xdg_foreign_registry *registry = calloc(1, sizeof(*registry));
if (!registry) {
return NULL;
}
registry->display_destroy.notify = foreign_registry_handle_display_destroy;
wl_display_add_destroy_listener(display, &registry->display_destroy);
wl_list_init(&registry->exported_surfaces);
wl_signal_init(&registry->events.destroy);
return registry;
}

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@ -8,6 +8,8 @@ wlr_files += files(
'time.c', 'time.c',
) )
if conf_data.get('WLR_HAS_XDG_FOREIGN', 0) == 1
if uuid.found() if uuid.found()
wlr_deps += uuid wlr_deps += uuid
add_project_arguments('-DHAS_LIBUUID=1', language: 'c') add_project_arguments('-DHAS_LIBUUID=1', language: 'c')
@ -15,3 +17,4 @@ else
add_project_arguments('-DHAS_LIBUUID=0', language: 'c') add_project_arguments('-DHAS_LIBUUID=0', language: 'c')
endif endif
wlr_files += files('uuid.c') wlr_files += files('uuid.c')
endif