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xwm: fix minimal init, this gets us some events on window creations

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This commit is contained in:
Dominique Martinet 2017-08-20 07:47:38 +02:00
parent 6eb20fb8d2
commit fa0e1015c6
5 changed files with 162 additions and 11 deletions
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68
include/xwayland/internals.h
View file

@ -4,13 +4,77 @@
#include <wayland-server-core.h>
#include <wlr/xwayland.h>
/* wlc's atom list:
WL_SURFACE_ID,
WM_DELETE_WINDOW,
WM_TAKE_FOCUS,
WM_PROTOCOLS,
WM_NORMAL_HINTS,
MOTIF_WM_HINTS,
TEXT,
UTF8_STRING,
CLIPBOARD,
CLIPBOARD_MANAGER,
TARGETS,
PRIMARY,
WM_S0,
STRING,
WLC_SELECTION,
NET_WM_S0,
NET_WM_PID,
NET_WM_NAME,
NET_WM_STATE,
NET_WM_STATE_FULLSCREEN,
NET_WM_STATE_MODAL,
NET_WM_STATE_ABOVE,
NET_SUPPORTED,
NET_SUPPORTING_WM_CHECK,
NET_WM_WINDOW_TYPE,
NET_WM_WINDOW_TYPE_DESKTOP,
NET_WM_WINDOW_TYPE_DOCK,
NET_WM_WINDOW_TYPE_TOOLBAR,
NET_WM_WINDOW_TYPE_MENU,
NET_WM_WINDOW_TYPE_UTILITY,
NET_WM_WINDOW_TYPE_SPLASH,
NET_WM_WINDOW_TYPE_DIALOG,
NET_WM_WINDOW_TYPE_DROPDOWN_MENU,
NET_WM_WINDOW_TYPE_POPUP_MENU,
NET_WM_WINDOW_TYPE_TOOLTIP,
NET_WM_WINDOW_TYPE_NOTIFICATION,
NET_WM_WINDOW_TYPE_COMBO,
NET_WM_WINDOW_TYPE_DND,
NET_WM_WINDOW_TYPE_NORMAL,
*/
enum atom_name {
WL_SURFACE_ID,
WM_PROTOCOLS,
WM_S0,
NET_SUPPORTED,
NET_WM_S0,
NET_WM_STATE,
ATOM_LAST
};
static const char * const atom_map[ATOM_LAST] = {
"WL_SURFACE_ID",
"WM_PROTOCOLS",
"WM_S0",
"_NET_SUPPORTED",
"_NET_WM_S0",
"_NET_WM_STATE",
};
struct wlr_xwm {
struct wlr_xwayland *xwayland;
struct wl_event_source *event_source;
struct wl_listener surface_listener;
xcb_connection_t *xcb_connection;
xcb_screen_t *xcb_screen;
xcb_atom_t atoms[ATOM_LAST];
xcb_connection_t *xcb_conn;
xcb_screen_t *screen;
xcb_window_t window;
};
void unlink_sockets(int display);

2
meson.build
View file

@ -33,6 +33,7 @@ xkbcommon = dependency('xkbcommon')
udev = dependency('libudev')
pixman = dependency('pixman-1')
xcb = dependency('xcb')
xcb_composite = dependency('xcb-composite')
libcap = dependency('libcap', required: false)
systemd = dependency('libsystemd', required: false)
math = cc.find_library('m', required: false)
@ -67,6 +68,7 @@ wlr_deps = [
udev,
pixman,
xcb,
xcb_composite,
libcap,
systemd,
math,

2
xwayland/meson.build
View file

@ -4,4 +4,4 @@ lib_wlr_xwayland = static_library('wlr_xwayland', files(
'xwm.c',
),
include_directories: wlr_inc,
dependencies: [wayland_server, xcb, pixman])
dependencies: [wayland_server, xcb, xcb_composite, pixman])

3
xwayland/xwayland.c
View file

@ -138,6 +138,9 @@ static int xserver_handle_ready(int signal_number, void *data) {
return 1;
}
wl_event_source_remove(wlr_xwayland->sigusr1_source);
wlr_xwayland->sigusr1_source = NULL;
char display_name[16];
snprintf(display_name, sizeof(display_name), ":%d", wlr_xwayland->display);
setenv("DISPLAY", display_name, true);

98
xwayland/xwm.c
View file

@ -1,20 +1,34 @@
#include <stdlib.h>
#include <xcb/xcb_event.h>
#include <xcb/composite.h>
#include "wlr/util/log.h"
#include "wlr/types/wlr_surface.h"
#include "wlr/xwayland.h"
#include "xwayland/internals.h"
#define SEND_EVENT_MASK 0x80
static int x11_event_handler(int fd, uint32_t mask, void *data) {
int count = 0;
xcb_generic_event_t *event;
struct wlr_xwayland *wlr_xwayland = data;
struct wlr_xwm *xwm = wlr_xwayland->xwm;
while ((event = xcb_poll_for_event(xwm->xcb_connection))) {
wlr_log(L_DEBUG, "X11 event: %d", event->response_type & ~SEND_EVENT_MASK);
while ((event = xcb_poll_for_event(xwm->xcb_conn))) {
count++;
// TODO: actually do stuff!
switch (event->response_type & XCB_EVENT_RESPONSE_TYPE_MASK) {
case XCB_CREATE_NOTIFY:
break;
case XCB_CONFIGURE_REQUEST:
break;
case XCB_MAP_REQUEST:
break;
case XCB_DESTROY_NOTIFY:
break;
default:
wlr_log(L_DEBUG, "X11 event: %d", event->response_type & XCB_EVENT_RESPONSE_TYPE_MASK);
}
}
return count;
}
@ -33,11 +47,76 @@ static void create_surface_handler(struct wl_listener *listener, void *data)
// TODO: look for unpaired window, and assign
}
static void xcb_get_resources(struct wlr_xwm *xwm) {
int i;
for (i = 0; i < ATOM_LAST; i++) {
xcb_intern_atom_cookie_t cookie;
xcb_intern_atom_reply_t *reply;
xcb_generic_error_t *error;
cookie = xcb_intern_atom(xwm->xcb_conn, 0, strlen(atom_map[i]), atom_map[i]);
reply = xcb_intern_atom_reply(xwm->xcb_conn, cookie, &error);
if (reply && !error) {
xwm->atoms[i] = reply->atom;
}
if (reply) {
free(reply);
}
if (error) {
wlr_log(L_ERROR, "could not resolve atom %s, x11 error code %d",
atom_map[i], error->error_code);
free(error);
return;
}
}
}
static bool xcb_call(struct wlr_xwm *xwm, const char *func, uint32_t line, xcb_void_cookie_t cookie) {
xcb_generic_error_t *error;
if (!(error = xcb_request_check(xwm->xcb_conn, cookie))) {
return true;
}
wlr_log(L_ERROR, "xcb call failed in %s:%u, x11 error code %d", func, line, error->error_code);
free(error);
return false;
}
#define XCB_CALL(xwm, x) xcb_call(xwm, __PRETTY_FUNCTION__, __LINE__, x)
static void xcb_init_wm(struct wlr_xwm *xwm) {
xcb_screen_iterator_t screen_iterator;
screen_iterator = xcb_setup_roots_iterator(xcb_get_setup(xwm->xcb_conn));
xwm->screen = screen_iterator.data;
xwm->window = xcb_generate_id(xwm->xcb_conn);
uint32_t values[] = { XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_PROPERTY_CHANGE /* , xwm->cursor */ };
XCB_CALL(xwm, xcb_change_window_attributes_checked(xwm->xcb_conn, xwm->screen->root,
XCB_CW_EVENT_MASK /* | XCB_CW_CURSOR */, values));
XCB_CALL(xwm, xcb_composite_redirect_subwindows_checked(xwm->xcb_conn, xwm->screen->root, XCB_COMPOSITE_REDIRECT_MANUAL));
XCB_CALL(xwm, xcb_create_window_checked(xwm->xcb_conn, XCB_COPY_FROM_PARENT, xwm->window, xwm->screen->root,
0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, xwm->screen->root_visual,
XCB_CW_EVENT_MASK, (uint32_t[]){XCB_EVENT_MASK_PROPERTY_CHANGE}));
xcb_atom_t supported[] = {
xwm->atoms[NET_WM_STATE],
};
XCB_CALL(xwm, xcb_change_property_checked(xwm->xcb_conn, XCB_PROP_MODE_REPLACE, xwm->screen->root, xwm->atoms[NET_SUPPORTED], XCB_ATOM_ATOM, 32, sizeof(supported)/sizeof(*supported), supported));
XCB_CALL(xwm, xcb_set_selection_owner_checked(xwm->xcb_conn, xwm->window, xwm->atoms[WM_S0], XCB_CURRENT_TIME));
XCB_CALL(xwm, xcb_set_selection_owner_checked(xwm->xcb_conn, xwm->window, xwm->atoms[NET_WM_S0], XCB_CURRENT_TIME));
xcb_flush(xwm->xcb_conn);
}
void xwm_destroy(struct wlr_xwm *xwm) {
if (xwm->event_source) {
wl_event_source_remove(xwm->event_source);
}
xcb_disconnect(xwm->xcb_conn);
free(xwm);
}
@ -46,13 +125,12 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland) {
xwm->xwayland = wlr_xwayland;
xwm->xcb_connection = xcb_connect_to_fd(wlr_xwayland->wm_fd[0], NULL);
if (xcb_connection_has_error(xwm->xcb_connection)) {
xwm->xcb_conn = xcb_connect_to_fd(wlr_xwayland->wm_fd[0], NULL);
if (xcb_connection_has_error(xwm->xcb_conn)) {
free(xwm);
return NULL;
}
// TODO more xcb init
// xcb_prefetch_extension_data(xwm->xcb_connection, &xcb_composite_id);
struct wl_event_loop *event_loop = wl_display_get_event_loop(wlr_xwayland->wl_display);
xwm->event_source = wl_event_loop_add_fd(event_loop, wlr_xwayland->wm_fd[0],
@ -60,6 +138,10 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland) {
// probably not needed
// wl_event_source_check(xwm->event_source);
// TODO more xcb init
// xcb_prefetch_extension_data(xwm->xcb_conn, &xcb_composite_id);
xcb_get_resources(xwm);
xcb_init_wm(xwm);
xwm->surface_listener.notify = create_surface_handler;
wl_signal_add(&wlr_xwayland->compositor->create_surface_signal,