/* * Copyright © 2011 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial * portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "xwayland.h" #include "xwayland-internal-interface.h" #include "shared/cairo-util.h" #include "hash.h" #include "shared/helpers.h" #include "shared/xcb-xwayland.h" struct wm_size_hints { uint32_t flags; int32_t x, y; int32_t width, height; /* should set so old wm's don't mess up */ int32_t min_width, min_height; int32_t max_width, max_height; int32_t width_inc, height_inc; struct { int32_t x; int32_t y; } min_aspect, max_aspect; int32_t base_width, base_height; int32_t win_gravity; }; #define USPosition (1L << 0) #define USSize (1L << 1) #define PPosition (1L << 2) #define PSize (1L << 3) #define PMinSize (1L << 4) #define PMaxSize (1L << 5) #define PResizeInc (1L << 6) #define PAspect (1L << 7) #define PBaseSize (1L << 8) #define PWinGravity (1L << 9) struct motif_wm_hints { uint32_t flags; uint32_t functions; uint32_t decorations; int32_t input_mode; uint32_t status; }; #define MWM_HINTS_FUNCTIONS (1L << 0) #define MWM_HINTS_DECORATIONS (1L << 1) #define MWM_HINTS_INPUT_MODE (1L << 2) #define MWM_HINTS_STATUS (1L << 3) #define MWM_FUNC_ALL (1L << 0) #define MWM_FUNC_RESIZE (1L << 1) #define MWM_FUNC_MOVE (1L << 2) #define MWM_FUNC_MINIMIZE (1L << 3) #define MWM_FUNC_MAXIMIZE (1L << 4) #define MWM_FUNC_CLOSE (1L << 5) #define MWM_DECOR_ALL (1L << 0) #define MWM_DECOR_BORDER (1L << 1) #define MWM_DECOR_RESIZEH (1L << 2) #define MWM_DECOR_TITLE (1L << 3) #define MWM_DECOR_MENU (1L << 4) #define MWM_DECOR_MINIMIZE (1L << 5) #define MWM_DECOR_MAXIMIZE (1L << 6) #define MWM_DECOR_EVERYTHING \ (MWM_DECOR_BORDER | MWM_DECOR_RESIZEH | MWM_DECOR_TITLE | \ MWM_DECOR_MENU | MWM_DECOR_MINIMIZE | MWM_DECOR_MAXIMIZE) #define MWM_INPUT_MODELESS 0 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1 #define MWM_INPUT_SYSTEM_MODAL 2 #define MWM_INPUT_FULL_APPLICATION_MODAL 3 #define MWM_INPUT_APPLICATION_MODAL MWM_INPUT_PRIMARY_APPLICATION_MODAL #define MWM_TEAROFF_WINDOW (1L<<0) #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0 #define _NET_WM_MOVERESIZE_SIZE_TOP 1 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2 #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6 #define _NET_WM_MOVERESIZE_SIZE_LEFT 7 #define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */ #define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */ #define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */ #define _NET_WM_MOVERESIZE_CANCEL 11 /* cancel operation */ struct weston_output_weak_ref { struct weston_output *output; struct wl_listener destroy_listener; }; struct weston_wm_window { struct weston_wm *wm; xcb_window_t id; xcb_window_t frame_id; struct frame *frame; cairo_surface_t *cairo_surface; uint32_t surface_id; struct weston_surface *surface; struct weston_desktop_xwayland_surface *shsurf; struct wl_listener surface_destroy_listener; struct wl_event_source *repaint_source; struct wl_event_source *configure_source; int properties_dirty; int pid; char *machine; char *class; char *name; struct weston_wm_window *transient_for; uint32_t protocols; xcb_atom_t type; int width, height; int x; int y; bool pos_dirty; int map_request_x; int map_request_y; struct weston_output_weak_ref legacy_fullscreen_output; int saved_width, saved_height; int decorate; uint32_t last_button_time; int did_double; int override_redirect; int fullscreen; int has_alpha; int delete_window; int maximized_vert; int maximized_horz; struct wm_size_hints size_hints; struct motif_wm_hints motif_hints; struct wl_list link; int decor_top; int decor_bottom; int decor_left; int decor_right; }; static void weston_wm_window_set_allow_commits(struct weston_wm_window *window, bool allow); static struct weston_wm_window * get_wm_window(struct weston_surface *surface); static void weston_wm_set_net_active_window(struct weston_wm *wm, xcb_window_t window); static void weston_wm_window_schedule_repaint(struct weston_wm_window *window); static int legacy_fullscreen(struct weston_wm *wm, struct weston_wm_window *window, struct weston_output **output_ret); static void xserver_map_shell_surface(struct weston_wm_window *window, struct weston_surface *surface); static bool wm_debug_is_enabled(struct weston_wm *wm) { return weston_log_scope_is_enabled(wm->server->wm_debug); } static void __attribute__ ((format (printf, 2, 3))) wm_printf(struct weston_wm *wm, const char *fmt, ...) { va_list ap; char timestr[128]; if (wm_debug_is_enabled(wm)) weston_log_scope_printf(wm->server->wm_debug, "%s ", weston_log_scope_timestamp(wm->server->wm_debug, timestr, sizeof timestr)); va_start(ap, fmt); weston_log_scope_vprintf(wm->server->wm_debug, fmt, ap); va_end(ap); } static void weston_output_weak_ref_init(struct weston_output_weak_ref *ref) { ref->output = NULL; } static void weston_output_weak_ref_clear(struct weston_output_weak_ref *ref) { if (!ref->output) return; wl_list_remove(&ref->destroy_listener.link); ref->output = NULL; } static void weston_output_weak_ref_handle_destroy(struct wl_listener *listener, void *data) { struct weston_output_weak_ref *ref; ref = wl_container_of(listener, ref, destroy_listener); assert(ref->output == data); weston_output_weak_ref_clear(ref); } static void weston_output_weak_ref_set(struct weston_output_weak_ref *ref, struct weston_output *output) { weston_output_weak_ref_clear(ref); if (!output) return; ref->destroy_listener.notify = weston_output_weak_ref_handle_destroy; wl_signal_add(&output->destroy_signal, &ref->destroy_listener); ref->output = output; } static bool __attribute__ ((warn_unused_result)) wm_lookup_window(struct weston_wm *wm, xcb_window_t hash, struct weston_wm_window **window) { *window = hash_table_lookup(wm->window_hash, hash); if (*window) return true; return false; } static xcb_cursor_t xcb_cursor_image_load_cursor(struct weston_wm *wm, const XcursorImage *img) { xcb_connection_t *c = wm->conn; xcb_screen_iterator_t s = xcb_setup_roots_iterator(xcb_get_setup(c)); xcb_screen_t *screen = s.data; xcb_gcontext_t gc; xcb_pixmap_t pix; xcb_render_picture_t pic; xcb_cursor_t cursor; int stride = img->width * 4; pix = xcb_generate_id(c); xcb_create_pixmap(c, 32, pix, screen->root, img->width, img->height); pic = xcb_generate_id(c); xcb_render_create_picture(c, pic, pix, wm->format_rgba.id, 0, 0); gc = xcb_generate_id(c); xcb_create_gc(c, gc, pix, 0, 0); xcb_put_image(c, XCB_IMAGE_FORMAT_Z_PIXMAP, pix, gc, img->width, img->height, 0, 0, 0, 32, stride * img->height, (uint8_t *) img->pixels); xcb_free_gc(c, gc); cursor = xcb_generate_id(c); xcb_render_create_cursor(c, cursor, pic, img->xhot, img->yhot); xcb_render_free_picture(c, pic); xcb_free_pixmap(c, pix); return cursor; } static xcb_cursor_t xcb_cursor_images_load_cursor(struct weston_wm *wm, const XcursorImages *images) { /* TODO: treat animated cursors as well */ if (images->nimage != 1) return -1; return xcb_cursor_image_load_cursor(wm, images->images[0]); } static xcb_cursor_t xcb_cursor_library_load_cursor(struct weston_wm *wm, const char *file) { xcb_cursor_t cursor; XcursorImages *images; char *v = NULL; char *theme; int size = 0; if (!file) return 0; v = getenv ("XCURSOR_SIZE"); if (v) size = atoi(v); if (!size) size = 32; theme = getenv("XCURSOR_THEME"); images = XcursorLibraryLoadImages(file, theme, size); if (!images) return -1; cursor = xcb_cursor_images_load_cursor (wm, images); XcursorImagesDestroy (images); return cursor; } static unsigned dump_cardinal_array_elem(FILE *fp, unsigned format, void *arr, unsigned len, unsigned ind) { const char *comma; /* If more than 16 elements, print 0-14, ..., last */ if (ind > 14 && ind < len - 1) { fprintf(fp, ", ..."); return len - 1; } comma = ind ? ", " : ""; switch (format) { case 32: fprintf(fp, "%s%" PRIu32, comma, ((uint32_t *)arr)[ind]); break; case 16: fprintf(fp, "%s%" PRIu16, comma, ((uint16_t *)arr)[ind]); break; case 8: fprintf(fp, "%s%" PRIu8, comma, ((uint8_t *)arr)[ind]); break; default: fprintf(fp, "%s???", comma); } return ind + 1; } static void dump_cardinal_array(FILE *fp, xcb_get_property_reply_t *reply) { unsigned i = 0; void *arr; assert(reply->type == XCB_ATOM_CARDINAL); arr = xcb_get_property_value(reply); fprintf(fp, "["); while (i < reply->value_len) i = dump_cardinal_array_elem(fp, reply->format, arr, reply->value_len, i); fprintf(fp, "]"); } void dump_property(FILE *fp, struct weston_wm *wm, xcb_atom_t property, xcb_get_property_reply_t *reply) { int32_t *incr_value; const char *text_value, *name; xcb_atom_t *atom_value; xcb_window_t *window_value; int width, len; uint32_t i; width = fprintf(fp, "%s: ", get_atom_name(wm->conn, property)); if (reply == NULL) { fprintf(fp, "(no reply)\n"); return; } width += fprintf(fp, "%s/%d, length %d (value_len %d): ", get_atom_name(wm->conn, reply->type), reply->format, xcb_get_property_value_length(reply), reply->value_len); if (reply->type == wm->atom.incr) { incr_value = xcb_get_property_value(reply); fprintf(fp, "%d\n", *incr_value); } else if (reply->type == wm->atom.utf8_string || reply->type == wm->atom.string) { text_value = xcb_get_property_value(reply); if (reply->value_len > 40) len = 40; else len = reply->value_len; fprintf(fp, "\"%.*s\"\n", len, text_value); } else if (reply->type == XCB_ATOM_ATOM) { atom_value = xcb_get_property_value(reply); for (i = 0; i < reply->value_len; i++) { name = get_atom_name(wm->conn, atom_value[i]); if (width + strlen(name) + 2 > 78) { fprintf(fp, "\n "); width = 4; } else if (i > 0) { width += fprintf(fp, ", "); } width += fprintf(fp, "%s", name); } fprintf(fp, "\n"); } else if (reply->type == XCB_ATOM_CARDINAL) { dump_cardinal_array(fp, reply); fprintf(fp, "\n"); } else if (reply->type == XCB_ATOM_WINDOW && reply->format == 32) { window_value = xcb_get_property_value(reply); fprintf(fp, "win %u\n", *window_value); } else { fprintf(fp, "huh?\n"); } } static void read_and_dump_property(FILE *fp, struct weston_wm *wm, xcb_window_t window, xcb_atom_t property) { xcb_get_property_reply_t *reply; xcb_get_property_cookie_t cookie; cookie = xcb_get_property(wm->conn, 0, window, property, XCB_ATOM_ANY, 0, 2048); reply = xcb_get_property_reply(wm->conn, cookie, NULL); dump_property(fp, wm, property, reply); free(reply); } /* We reuse some predefined, but otherwise useles atoms * as local type placeholders that never touch the X11 server, * to make weston_wm_window_read_properties() less exceptional. */ #define TYPE_WM_PROTOCOLS XCB_ATOM_CUT_BUFFER0 #define TYPE_MOTIF_WM_HINTS XCB_ATOM_CUT_BUFFER1 #define TYPE_NET_WM_STATE XCB_ATOM_CUT_BUFFER2 #define TYPE_WM_NORMAL_HINTS XCB_ATOM_CUT_BUFFER3 static void weston_wm_window_read_properties(struct weston_wm_window *window) { struct weston_wm *wm = window->wm; #define F(field) (&window->field) const struct { xcb_atom_t atom; xcb_atom_t type; void *ptr; } props[] = { { XCB_ATOM_WM_CLASS, XCB_ATOM_STRING, F(class) }, { XCB_ATOM_WM_NAME, XCB_ATOM_STRING, F(name) }, { XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, F(transient_for) }, { wm->atom.wm_protocols, TYPE_WM_PROTOCOLS, NULL }, { wm->atom.wm_normal_hints, TYPE_WM_NORMAL_HINTS, NULL }, { wm->atom.net_wm_state, TYPE_NET_WM_STATE, NULL }, { wm->atom.net_wm_window_type, XCB_ATOM_ATOM, F(type) }, { wm->atom.net_wm_name, XCB_ATOM_STRING, F(name) }, { wm->atom.net_wm_pid, XCB_ATOM_CARDINAL, F(pid) }, { wm->atom.motif_wm_hints, TYPE_MOTIF_WM_HINTS, NULL }, { wm->atom.wm_client_machine, XCB_ATOM_WM_CLIENT_MACHINE, F(machine) }, }; #undef F xcb_get_property_cookie_t cookie[ARRAY_LENGTH(props)]; xcb_get_property_reply_t *reply; void *p; uint32_t *xid; xcb_atom_t *atom; uint32_t i; char name[1024]; if (!window->properties_dirty) return; window->properties_dirty = 0; for (i = 0; i < ARRAY_LENGTH(props); i++) cookie[i] = xcb_get_property(wm->conn, 0, /* delete */ window->id, props[i].atom, XCB_ATOM_ANY, 0, 2048); window->decorate = window->override_redirect ? 0 : MWM_DECOR_EVERYTHING; window->size_hints.flags = 0; window->motif_hints.flags = 0; window->delete_window = 0; for (i = 0; i < ARRAY_LENGTH(props); i++) { reply = xcb_get_property_reply(wm->conn, cookie[i], NULL); if (!reply) /* Bad window, typically */ continue; if (reply->type == XCB_ATOM_NONE) { /* No such property */ free(reply); continue; } p = props[i].ptr; switch (props[i].type) { case XCB_ATOM_WM_CLIENT_MACHINE: case XCB_ATOM_STRING: /* FIXME: We're using this for both string and utf8_string */ if (*(char **) p) free(*(char **) p); *(char **) p = strndup(xcb_get_property_value(reply), xcb_get_property_value_length(reply)); break; case XCB_ATOM_WINDOW: xid = xcb_get_property_value(reply); if (!wm_lookup_window(wm, *xid, p)) weston_log("XCB_ATOM_WINDOW contains window" " id not found in hash table.\n"); break; case XCB_ATOM_CARDINAL: case XCB_ATOM_ATOM: atom = xcb_get_property_value(reply); *(xcb_atom_t *) p = *atom; break; case TYPE_WM_PROTOCOLS: atom = xcb_get_property_value(reply); for (i = 0; i < reply->value_len; i++) if (atom[i] == wm->atom.wm_delete_window) { window->delete_window = 1; break; } break; case TYPE_WM_NORMAL_HINTS: memcpy(&window->size_hints, xcb_get_property_value(reply), sizeof window->size_hints); break; case TYPE_NET_WM_STATE: window->fullscreen = 0; atom = xcb_get_property_value(reply); for (i = 0; i < reply->value_len; i++) { if (atom[i] == wm->atom.net_wm_state_fullscreen) window->fullscreen = 1; if (atom[i] == wm->atom.net_wm_state_maximized_vert) window->maximized_vert = 1; if (atom[i] == wm->atom.net_wm_state_maximized_horz) window->maximized_horz = 1; } break; case TYPE_MOTIF_WM_HINTS: memcpy(&window->motif_hints, xcb_get_property_value(reply), sizeof window->motif_hints); if (window->motif_hints.flags & MWM_HINTS_DECORATIONS) { if (window->motif_hints.decorations & MWM_DECOR_ALL) /* MWM_DECOR_ALL means all except the other values listed. */ window->decorate = MWM_DECOR_EVERYTHING & (~window->motif_hints.decorations); else window->decorate = window->motif_hints.decorations; } break; default: break; } free(reply); } if (window->pid > 0) { gethostname(name, sizeof(name)); for (i = 0; i < sizeof(name); i++) { if (name[i] == '\0') break; } if (i == sizeof(name)) name[0] = '\0'; /* ignore stupid hostnames */ /* this is only one heuristic to guess the PID of a client is * valid, assuming it's compliant with icccm and ewmh. * Non-compliants and remote applications of course fail. */ if (!window->machine || strcmp(window->machine, name)) window->pid = 0; } } #undef TYPE_WM_PROTOCOLS #undef TYPE_MOTIF_WM_HINTS #undef TYPE_NET_WM_STATE #undef TYPE_WM_NORMAL_HINTS static void weston_wm_window_get_frame_size(struct weston_wm_window *window, int *width, int *height) { struct theme *t = window->wm->theme; if (window->fullscreen) { *width = window->width; *height = window->height; } else if (window->decorate && window->frame) { *width = frame_width(window->frame); *height = frame_height(window->frame); } else { *width = window->width + t->margin * 2; *height = window->height + t->margin * 2; } } static void weston_wm_window_get_child_position(struct weston_wm_window *window, int *x, int *y) { struct theme *t = window->wm->theme; if (window->fullscreen) { *x = 0; *y = 0; } else if (window->decorate && window->frame) { frame_interior(window->frame, x, y, NULL, NULL); } else { *x = t->margin; *y = t->margin; } } static void weston_wm_window_send_configure_notify(struct weston_wm_window *window) { xcb_configure_notify_event_t configure_notify; struct weston_wm *wm = window->wm; int x, y; int32_t dx = 0, dy = 0; const struct weston_desktop_xwayland_interface *xwayland_api = wm->server->compositor->xwayland_interface; weston_wm_window_get_child_position(window, &x, &y); /* Synthetic ConfigureNotify events must be relative to the root * window, so get our offset if we're mapped. */ if (window->shsurf) xwayland_api->get_position(window->shsurf, &dx, &dy); configure_notify.response_type = XCB_CONFIGURE_NOTIFY; configure_notify.pad0 = 0; configure_notify.event = window->id; configure_notify.window = window->id; configure_notify.above_sibling = XCB_WINDOW_NONE; configure_notify.x = x + dx; configure_notify.y = y + dy; configure_notify.width = window->width; configure_notify.height = window->height; configure_notify.border_width = 0; configure_notify.override_redirect = 0; configure_notify.pad1 = 0; xcb_send_event(wm->conn, 0, window->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY, (char *) &configure_notify); } static void weston_wm_configure_window(struct weston_wm *wm, xcb_window_t window_id, uint16_t mask, const uint32_t *values) { static const struct { xcb_config_window_t bitmask; const char *name; } names[] = { { XCB_CONFIG_WINDOW_X, "x" }, { XCB_CONFIG_WINDOW_Y, "y" }, { XCB_CONFIG_WINDOW_WIDTH, "width" }, { XCB_CONFIG_WINDOW_HEIGHT, "height" }, { XCB_CONFIG_WINDOW_BORDER_WIDTH, "border_width" }, { XCB_CONFIG_WINDOW_SIBLING, "sibling" }, { XCB_CONFIG_WINDOW_STACK_MODE, "stack_mode" }, }; char *buf = NULL; size_t sz = 0; FILE *fp; unsigned i, v; xcb_configure_window(wm->conn, window_id, mask, values); if (!wm_debug_is_enabled(wm)) return; fp = open_memstream(&buf, &sz); if (!fp) return; fprintf(fp, "XWM: configure window %d:", window_id); for (i = 0, v = 0; i < ARRAY_LENGTH(names); i++) { if (mask & names[i].bitmask) fprintf(fp, " %s=%d", names[i].name, values[v++]); } fclose(fp); wm_printf(wm, "%s\n", buf); free(buf); } static void weston_wm_window_configure_frame(struct weston_wm_window *window) { uint16_t mask; uint32_t values[2]; int width, height; if (!window->frame_id) return; weston_wm_window_get_frame_size(window, &width, &height); values[0] = width; values[1] = height; mask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT; weston_wm_configure_window(window->wm, window->frame_id, mask, values); } static void weston_wm_handle_configure_request(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_configure_request_event_t *configure_request = (xcb_configure_request_event_t *) event; struct weston_wm_window *window; uint32_t values[16]; uint16_t mask; int x, y; int i = 0; wm_printf(wm, "XCB_CONFIGURE_REQUEST (window %d) %d,%d @ %dx%d\n", configure_request->window, configure_request->x, configure_request->y, configure_request->width, configure_request->height); if (!wm_lookup_window(wm, configure_request->window, &window)) return; if (window->fullscreen) { weston_wm_window_send_configure_notify(window); return; } if (configure_request->value_mask & XCB_CONFIG_WINDOW_WIDTH) window->width = configure_request->width; if (configure_request->value_mask & XCB_CONFIG_WINDOW_HEIGHT) window->height = configure_request->height; if (window->frame) { weston_wm_window_set_allow_commits(window, false); frame_resize_inside(window->frame, window->width, window->height); } weston_wm_window_get_child_position(window, &x, &y); values[i++] = x; values[i++] = y; values[i++] = window->width; values[i++] = window->height; values[i++] = 0; mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT | XCB_CONFIG_WINDOW_BORDER_WIDTH; if (configure_request->value_mask & XCB_CONFIG_WINDOW_SIBLING) { values[i++] = configure_request->sibling; mask |= XCB_CONFIG_WINDOW_SIBLING; } if (configure_request->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) { values[i++] = configure_request->stack_mode; mask |= XCB_CONFIG_WINDOW_STACK_MODE; } weston_wm_configure_window(wm, window->id, mask, values); weston_wm_window_configure_frame(window); weston_wm_window_schedule_repaint(window); } static int our_resource(struct weston_wm *wm, uint32_t id) { const xcb_setup_t *setup; setup = xcb_get_setup(wm->conn); return (id & ~setup->resource_id_mask) == setup->resource_id_base; } static void weston_wm_handle_configure_notify(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_configure_notify_event_t *configure_notify = (xcb_configure_notify_event_t *) event; const struct weston_desktop_xwayland_interface *xwayland_api = wm->server->compositor->xwayland_interface; struct weston_wm_window *window; wm_printf(wm, "XCB_CONFIGURE_NOTIFY (window %d) %d,%d @ %dx%d%s\n", configure_notify->window, configure_notify->x, configure_notify->y, configure_notify->width, configure_notify->height, configure_notify->override_redirect ? ", override" : ""); if (!wm_lookup_window(wm, configure_notify->window, &window)) return; window->x = configure_notify->x; window->y = configure_notify->y; window->pos_dirty = false; if (window->override_redirect) { window->width = configure_notify->width; window->height = configure_notify->height; if (window->frame) frame_resize_inside(window->frame, window->width, window->height); /* We should check if shsurf has been created because sometimes * there are races * (configure_notify is sent before xserver_map_surface) */ if (window->shsurf) xwayland_api->set_xwayland(window->shsurf, window->x, window->y); } } static void weston_wm_kill_client(struct wl_listener *listener, void *data) { struct weston_surface *surface = data; struct weston_wm_window *window = get_wm_window(surface); if (!window) return; if (window->pid > 0) kill(window->pid, SIGKILL); } static void weston_wm_create_surface(struct wl_listener *listener, void *data) { struct weston_surface *surface = data; struct weston_wm *wm = container_of(listener, struct weston_wm, create_surface_listener); struct weston_wm_window *window; if (wl_resource_get_client(surface->resource) != wm->server->client) return; wm_printf(wm, "XWM: create weston_surface %p\n", surface); wl_list_for_each(window, &wm->unpaired_window_list, link) if (window->surface_id == wl_resource_get_id(surface->resource)) { xserver_map_shell_surface(window, surface); window->surface_id = 0; wl_list_remove(&window->link); break; } } static void weston_wm_send_focus_window(struct weston_wm *wm, struct weston_wm_window *window) { xcb_client_message_event_t client_message; if (window) { uint32_t values[1]; if (window->override_redirect) return; client_message.response_type = XCB_CLIENT_MESSAGE; client_message.format = 32; client_message.window = window->id; client_message.type = wm->atom.wm_protocols; client_message.data.data32[0] = wm->atom.wm_take_focus; client_message.data.data32[1] = XCB_TIME_CURRENT_TIME; xcb_send_event(wm->conn, 0, window->id, XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (char *) &client_message); xcb_set_input_focus (wm->conn, XCB_INPUT_FOCUS_POINTER_ROOT, window->id, XCB_TIME_CURRENT_TIME); values[0] = XCB_STACK_MODE_ABOVE; weston_wm_configure_window(wm, window->frame_id, XCB_CONFIG_WINDOW_STACK_MODE, values); } else { xcb_set_input_focus (wm->conn, XCB_INPUT_FOCUS_POINTER_ROOT, XCB_NONE, XCB_TIME_CURRENT_TIME); } } static void weston_wm_window_activate(struct wl_listener *listener, void *data) { struct weston_surface_activation_data *activation_data = data; struct weston_surface *surface = activation_data->surface; struct weston_wm_window *window = NULL; struct weston_wm *wm = container_of(listener, struct weston_wm, activate_listener); if (surface) { window = get_wm_window(surface); } if (window) { weston_wm_set_net_active_window(wm, window->id); } else { weston_wm_set_net_active_window(wm, XCB_WINDOW_NONE); } weston_wm_send_focus_window(wm, window); if (wm->focus_window) { if (wm->focus_window->frame) frame_unset_flag(wm->focus_window->frame, FRAME_FLAG_ACTIVE); weston_wm_window_schedule_repaint(wm->focus_window); } wm->focus_window = window; if (wm->focus_window) { if (wm->focus_window->frame) frame_set_flag(wm->focus_window->frame, FRAME_FLAG_ACTIVE); weston_wm_window_schedule_repaint(wm->focus_window); } xcb_flush(wm->conn); } /** Control Xwayland wl_surface.commit behaviour * * This function sets the "_XWAYLAND_ALLOW_COMMITS" property of the frame window * (not the content window!) to \p allow. * * If the property is set to \c true, Xwayland will commit whenever it likes. * If the property is set to \c false, Xwayland will not commit. * If the property is not set at all, Xwayland assumes it is \c true. * * \param window The XWM window to control. * \param allow Whether Xwayland is allowed to wl_surface.commit for the window. */ static void weston_wm_window_set_allow_commits(struct weston_wm_window *window, bool allow) { struct weston_wm *wm = window->wm; uint32_t property[1]; assert(window->frame_id != XCB_WINDOW_NONE); wm_printf(wm, "XWM: window %d set _XWAYLAND_ALLOW_COMMITS = %s\n", window->id, allow ? "true" : "false"); property[0] = allow ? 1 : 0; xcb_change_property(wm->conn, XCB_PROP_MODE_REPLACE, window->frame_id, wm->atom.allow_commits, XCB_ATOM_CARDINAL, 32, /* format */ 1, property); xcb_flush(wm->conn); } #define ICCCM_WITHDRAWN_STATE 0 #define ICCCM_NORMAL_STATE 1 #define ICCCM_ICONIC_STATE 3 static void weston_wm_window_set_wm_state(struct weston_wm_window *window, int32_t state) { struct weston_wm *wm = window->wm; uint32_t property[2]; property[0] = state; property[1] = XCB_WINDOW_NONE; xcb_change_property(wm->conn, XCB_PROP_MODE_REPLACE, window->id, wm->atom.wm_state, wm->atom.wm_state, 32, /* format */ 2, property); } static void weston_wm_window_set_net_frame_extents(struct weston_wm_window *window) { struct weston_wm *wm = window->wm; uint32_t property[4]; int top = 0, bottom = 0, left = 0, right = 0; if (!window->fullscreen) frame_decoration_sizes(window->frame, &top, &bottom, &left, &right); if (window->decor_top == top && window->decor_bottom == bottom && window->decor_left == left && window->decor_right == right) return; window->decor_top = top; window->decor_bottom = bottom; window->decor_left = left; window->decor_right = right; property[0] = left; property[1] = right; property[2] = top; property[3] = bottom; xcb_change_property(wm->conn, XCB_PROP_MODE_REPLACE, window->id, wm->atom.net_frame_extents, XCB_ATOM_CARDINAL, 32, /* format */ 4, property); } static void weston_wm_window_set_net_wm_state(struct weston_wm_window *window) { struct weston_wm *wm = window->wm; uint32_t property[3]; int i; i = 0; if (window->fullscreen) property[i++] = wm->atom.net_wm_state_fullscreen; if (window->maximized_vert) property[i++] = wm->atom.net_wm_state_maximized_vert; if (window->maximized_horz) property[i++] = wm->atom.net_wm_state_maximized_horz; xcb_change_property(wm->conn, XCB_PROP_MODE_REPLACE, window->id, wm->atom.net_wm_state, XCB_ATOM_ATOM, 32, /* format */ i, property); } static void weston_wm_window_create_frame(struct weston_wm_window *window) { struct weston_wm *wm = window->wm; uint32_t values[3]; int x, y, width, height; int buttons = FRAME_BUTTON_CLOSE; if (window->decorate & MWM_DECOR_MAXIMIZE) buttons |= FRAME_BUTTON_MAXIMIZE; if (window->decorate & MWM_DECOR_MINIMIZE) buttons |= FRAME_BUTTON_MINIMIZE; window->frame = frame_create(window->wm->theme, window->width, window->height, buttons, window->name, NULL); if (!window->frame) return; frame_resize_inside(window->frame, window->width, window->height); weston_wm_window_get_frame_size(window, &width, &height); weston_wm_window_get_child_position(window, &x, &y); values[0] = wm->screen->black_pixel; values[1] = XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE | XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION | XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT; values[2] = wm->colormap; window->frame_id = xcb_generate_id(wm->conn); xcb_create_window(wm->conn, 32, window->frame_id, wm->screen->root, 0, 0, width, height, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, wm->visual_id, XCB_CW_BORDER_PIXEL | XCB_CW_EVENT_MASK | XCB_CW_COLORMAP, values); xcb_reparent_window(wm->conn, window->id, window->frame_id, x, y); values[0] = 0; weston_wm_configure_window(wm, window->id, XCB_CONFIG_WINDOW_BORDER_WIDTH, values); window->cairo_surface = cairo_xcb_surface_create_with_xrender_format(wm->conn, wm->screen, window->frame_id, &wm->format_rgba, width, height); hash_table_insert(wm->window_hash, window->frame_id, window); } /* * Sets the _NET_WM_DESKTOP property for the window to 'desktop'. * Passing a <0 desktop value deletes the property. */ static void weston_wm_window_set_virtual_desktop(struct weston_wm_window *window, int desktop) { if (desktop >= 0) { xcb_change_property(window->wm->conn, XCB_PROP_MODE_REPLACE, window->id, window->wm->atom.net_wm_desktop, XCB_ATOM_CARDINAL, 32, /* format */ 1, &desktop); } else { xcb_delete_property(window->wm->conn, window->id, window->wm->atom.net_wm_desktop); } } static void weston_wm_handle_map_request(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_map_request_event_t *map_request = (xcb_map_request_event_t *) event; struct weston_wm_window *window; struct weston_output *output; if (our_resource(wm, map_request->window)) { wm_printf(wm, "XCB_MAP_REQUEST (window %d, ours)\n", map_request->window); return; } if (!wm_lookup_window(wm, map_request->window, &window)) return; weston_wm_window_read_properties(window); /* For a new Window, MapRequest happens before the Window is realized * in Xwayland. We do the real xcb_map_window() here as a response to * MapRequest. The Window will get realized (wl_surface created in * Wayland and WL_SURFACE_ID sent in X11) when it has been mapped for * real. * * MapRequest only happens for (X11) unmapped Windows. On UnmapNotify, * we reset shsurf to NULL, so even if X11 connection races far ahead * of the Wayland connection and the X11 client is repeatedly mapping * and unmapping, we will never have shsurf set on MapRequest. */ assert(!window->shsurf); window->map_request_x = window->x; window->map_request_y = window->y; if (window->frame_id == XCB_WINDOW_NONE) weston_wm_window_create_frame(window); /* sets frame_id */ assert(window->frame_id != XCB_WINDOW_NONE); wm_printf(wm, "XCB_MAP_REQUEST (window %d, %p, frame %d, %dx%d @ %d,%d)\n", window->id, window, window->frame_id, window->width, window->height, window->map_request_x, window->map_request_y); weston_wm_window_set_allow_commits(window, false); weston_wm_window_set_wm_state(window, ICCCM_NORMAL_STATE); weston_wm_window_set_net_wm_state(window); weston_wm_window_set_virtual_desktop(window, 0); if (legacy_fullscreen(wm, window, &output)) { window->fullscreen = 1; weston_output_weak_ref_set(&window->legacy_fullscreen_output, output); } xcb_map_window(wm->conn, map_request->window); xcb_map_window(wm->conn, window->frame_id); /* Mapped in the X server, we can draw immediately. * Cannot set pending state though, no weston_surface until * xserver_map_shell_surface() time. */ weston_wm_window_schedule_repaint(window); } static void weston_wm_handle_map_notify(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_map_notify_event_t *map_notify = (xcb_map_notify_event_t *) event; if (our_resource(wm, map_notify->window)) { wm_printf(wm, "XCB_MAP_NOTIFY (window %d, ours)\n", map_notify->window); return; } wm_printf(wm, "XCB_MAP_NOTIFY (window %d%s)\n", map_notify->window, map_notify->override_redirect ? ", override" : ""); } static void weston_wm_handle_unmap_notify(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_unmap_notify_event_t *unmap_notify = (xcb_unmap_notify_event_t *) event; struct weston_wm_window *window; wm_printf(wm, "XCB_UNMAP_NOTIFY (window %d, event %d%s)\n", unmap_notify->window, unmap_notify->event, our_resource(wm, unmap_notify->window) ? ", ours" : ""); if (our_resource(wm, unmap_notify->window)) return; if (unmap_notify->response_type & SEND_EVENT_MASK) /* We just ignore the ICCCM 4.1.4 synthetic unmap notify * as it may come in after we've destroyed the window. */ return; if (!wm_lookup_window(wm, unmap_notify->window, &window)) return; if (window->surface_id) { /* Make sure we're not on the unpaired surface list or we * could be assigned a surface during surface creation that * was mapped before this unmap request. */ wl_list_remove(&window->link); window->surface_id = 0; } if (wm->focus_window == window) wm->focus_window = NULL; if (window->surface) wl_list_remove(&window->surface_destroy_listener.link); window->surface = NULL; window->shsurf = NULL; weston_wm_window_set_wm_state(window, ICCCM_WITHDRAWN_STATE); weston_wm_window_set_virtual_desktop(window, -1); xcb_unmap_window(wm->conn, window->frame_id); } static void weston_wm_window_draw_decoration(struct weston_wm_window *window) { cairo_t *cr; int width, height; const char *how; weston_wm_window_get_frame_size(window, &width, &height); cairo_xcb_surface_set_size(window->cairo_surface, width, height); cr = cairo_create(window->cairo_surface); if (window->fullscreen) { how = "fullscreen"; /* nothing */ } else if (window->decorate) { how = "decorate"; frame_set_title(window->frame, window->name); frame_repaint(window->frame, cr); } else { how = "shadow"; cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); cairo_set_source_rgba(cr, 0, 0, 0, 0); cairo_paint(cr); render_shadow(cr, window->wm->theme->shadow, 2, 2, width + 8, height + 8, 64, 64); } wm_printf(window->wm, "XWM: draw decoration, win %d, %s\n", window->id, how); cairo_destroy(cr); cairo_surface_flush(window->cairo_surface); xcb_flush(window->wm->conn); } static void weston_wm_window_set_pending_state(struct weston_wm_window *window) { int x, y, width, height; int32_t input_x, input_y, input_w, input_h; const struct weston_desktop_xwayland_interface *xwayland_interface = window->wm->server->compositor->xwayland_interface; if (!window->surface) return; weston_wm_window_get_frame_size(window, &width, &height); weston_wm_window_get_child_position(window, &x, &y); pixman_region32_fini(&window->surface->pending.opaque); if (window->has_alpha) { pixman_region32_init(&window->surface->pending.opaque); } else { /* We leave an extra pixel around the X window area to * make sure we don't sample from the undefined alpha * channel when filtering. */ pixman_region32_init_rect(&window->surface->pending.opaque, x - 1, y - 1, window->width + 2, window->height + 2); } if (window->decorate && !window->fullscreen) { frame_input_rect(window->frame, &input_x, &input_y, &input_w, &input_h); } else { input_x = x; input_y = y; input_w = width; input_h = height; } wm_printf(window->wm, "XWM: win %d geometry: %d,%d %dx%d\n", window->id, input_x, input_y, input_w, input_h); pixman_region32_fini(&window->surface->pending.input); pixman_region32_init_rect(&window->surface->pending.input, input_x, input_y, input_w, input_h); xwayland_interface->set_window_geometry(window->shsurf, input_x, input_y, input_w, input_h); if (window->name) xwayland_interface->set_title(window->shsurf, window->name); if (window->pid > 0) xwayland_interface->set_pid(window->shsurf, window->pid); } static void weston_wm_window_do_repaint(void *data) { struct weston_wm_window *window = data; window->repaint_source = NULL; weston_wm_window_set_allow_commits(window, false); weston_wm_window_read_properties(window); weston_wm_window_draw_decoration(window); weston_wm_window_set_net_frame_extents(window); weston_wm_window_set_pending_state(window); weston_wm_window_set_allow_commits(window, true); } static void weston_wm_window_set_pending_state_OR(struct weston_wm_window *window) { int width, height; /* for override-redirect windows */ assert(window->frame_id == XCB_WINDOW_NONE); if (!window->surface) return; weston_wm_window_get_frame_size(window, &width, &height); pixman_region32_fini(&window->surface->pending.opaque); if (window->has_alpha) { pixman_region32_init(&window->surface->pending.opaque); } else { pixman_region32_init_rect(&window->surface->pending.opaque, 0, 0, width, height); } } static void weston_wm_window_schedule_repaint(struct weston_wm_window *window) { struct weston_wm *wm = window->wm; if (window->frame_id == XCB_WINDOW_NONE) { /* Override-redirect windows go through here, but we * cannot assert(window->override_redirect); because * we do not deal with changing OR flag yet. * XXX: handle OR flag changes in message handlers */ weston_wm_window_set_pending_state_OR(window); return; } if (window->repaint_source) return; wm_printf(wm, "XWM: schedule repaint, win %d\n", window->id); window->repaint_source = wl_event_loop_add_idle(wm->server->loop, weston_wm_window_do_repaint, window); } static void weston_wm_handle_property_notify(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_property_notify_event_t *property_notify = (xcb_property_notify_event_t *) event; struct weston_wm_window *window; FILE *fp = NULL; char *logstr; size_t logsize; char timestr[128]; if (!wm_lookup_window(wm, property_notify->window, &window)) return; window->properties_dirty = 1; if (wm_debug_is_enabled(wm)) fp = open_memstream(&logstr, &logsize); if (fp) { fprintf(fp, "%s XCB_PROPERTY_NOTIFY: window %d, ", weston_log_scope_timestamp(wm->server->wm_debug, timestr, sizeof timestr), property_notify->window); if (property_notify->state == XCB_PROPERTY_DELETE) fprintf(fp, "deleted %s\n", get_atom_name(wm->conn, property_notify->atom)); else read_and_dump_property(fp, wm, property_notify->window, property_notify->atom); if (fclose(fp) == 0) weston_log_scope_write(wm->server->wm_debug, logstr, logsize); free(logstr); } else { /* read_and_dump_property() is a X11 roundtrip. * Mimic it to maintain ordering semantics between debug * and non-debug paths. */ get_atom_name(wm->conn, property_notify->atom); } if (property_notify->atom == wm->atom.net_wm_name || property_notify->atom == XCB_ATOM_WM_NAME) weston_wm_window_schedule_repaint(window); } static void weston_wm_window_create(struct weston_wm *wm, xcb_window_t id, int width, int height, int x, int y, int override) { struct weston_wm_window *window; uint32_t values[1]; xcb_get_geometry_cookie_t geometry_cookie; xcb_get_geometry_reply_t *geometry_reply; window = zalloc(sizeof *window); if (window == NULL) { wm_printf(wm, "failed to allocate window\n"); return; } geometry_cookie = xcb_get_geometry(wm->conn, id); values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_FOCUS_CHANGE; xcb_change_window_attributes(wm->conn, id, XCB_CW_EVENT_MASK, values); window->wm = wm; window->id = id; window->properties_dirty = 1; window->override_redirect = override; window->width = width; window->height = height; /* Completely arbitrary defaults in case something starts * maximized and we unmaximize it later - at which point 0 x 0 * would not be the most useful size. */ window->saved_width = 512; window->saved_height = 512; window->x = x; window->y = y; window->pos_dirty = false; window->map_request_x = INT_MIN; /* out of range for valid positions */ window->map_request_y = INT_MIN; /* out of range for valid positions */ window->decor_top = -1; window->decor_bottom = -1; window->decor_left = -1; window->decor_right = -1; weston_output_weak_ref_init(&window->legacy_fullscreen_output); geometry_reply = xcb_get_geometry_reply(wm->conn, geometry_cookie, NULL); /* technically we should use XRender and check the visual format's alpha_mask, but checking depth is simpler and works in all known cases */ if (geometry_reply != NULL) window->has_alpha = geometry_reply->depth == 32; free(geometry_reply); hash_table_insert(wm->window_hash, id, window); } static void weston_wm_window_destroy(struct weston_wm_window *window) { struct weston_wm *wm = window->wm; weston_output_weak_ref_clear(&window->legacy_fullscreen_output); if (window->configure_source) wl_event_source_remove(window->configure_source); if (window->repaint_source) wl_event_source_remove(window->repaint_source); if (window->cairo_surface) cairo_surface_destroy(window->cairo_surface); if (window->frame_id) { xcb_reparent_window(wm->conn, window->id, wm->wm_window, 0, 0); xcb_destroy_window(wm->conn, window->frame_id); weston_wm_window_set_wm_state(window, ICCCM_WITHDRAWN_STATE); weston_wm_window_set_virtual_desktop(window, -1); hash_table_remove(wm->window_hash, window->frame_id); window->frame_id = XCB_WINDOW_NONE; } if (window->frame) frame_destroy(window->frame); if (window->surface_id) wl_list_remove(&window->link); if (window->surface) wl_list_remove(&window->surface_destroy_listener.link); free(window->class); free(window->name); free(window->machine); hash_table_remove(window->wm->window_hash, window->id); free(window); } static void weston_wm_handle_create_notify(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_create_notify_event_t *create_notify = (xcb_create_notify_event_t *) event; wm_printf(wm, "XCB_CREATE_NOTIFY (window %d, at (%d, %d), width %d, height %d%s%s)\n", create_notify->window, create_notify->x, create_notify->y, create_notify->width, create_notify->height, create_notify->override_redirect ? ", override" : "", our_resource(wm, create_notify->window) ? ", ours" : ""); if (our_resource(wm, create_notify->window)) return; weston_wm_window_create(wm, create_notify->window, create_notify->width, create_notify->height, create_notify->x, create_notify->y, create_notify->override_redirect); } static void weston_wm_handle_destroy_notify(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_destroy_notify_event_t *destroy_notify = (xcb_destroy_notify_event_t *) event; struct weston_wm_window *window; wm_printf(wm, "XCB_DESTROY_NOTIFY, win %d, event %d%s\n", destroy_notify->window, destroy_notify->event, our_resource(wm, destroy_notify->window) ? ", ours" : ""); if (our_resource(wm, destroy_notify->window)) return; if (!wm_lookup_window(wm, destroy_notify->window, &window)) return; weston_wm_window_destroy(window); } static void weston_wm_handle_reparent_notify(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_reparent_notify_event_t *reparent_notify = (xcb_reparent_notify_event_t *) event; struct weston_wm_window *window; wm_printf(wm, "XCB_REPARENT_NOTIFY (window %d, parent %d, event %d%s)\n", reparent_notify->window, reparent_notify->parent, reparent_notify->event, reparent_notify->override_redirect ? ", override" : ""); if (reparent_notify->parent == wm->screen->root) { weston_wm_window_create(wm, reparent_notify->window, 10, 10, reparent_notify->x, reparent_notify->y, reparent_notify->override_redirect); } else if (!our_resource(wm, reparent_notify->parent)) { if (!wm_lookup_window(wm, reparent_notify->window, &window)) return; weston_wm_window_destroy(window); } } struct weston_seat * weston_wm_pick_seat(struct weston_wm *wm) { struct wl_list *seats = wm->server->compositor->seat_list.next; if (wl_list_empty(seats)) return NULL; return container_of(seats, struct weston_seat, link); } static struct weston_seat * weston_wm_pick_seat_for_window(struct weston_wm_window *window) { struct weston_wm *wm = window->wm; struct weston_seat *seat, *s; seat = NULL; wl_list_for_each(s, &wm->server->compositor->seat_list, link) { struct weston_pointer *pointer = weston_seat_get_pointer(s); struct weston_pointer *old_pointer = weston_seat_get_pointer(seat); if (pointer && pointer->focus && pointer->focus->surface == window->surface && pointer->button_count > 0 && (!seat || pointer->grab_serial - old_pointer->grab_serial < (1 << 30))) seat = s; } return seat; } static void weston_wm_window_handle_moveresize(struct weston_wm_window *window, xcb_client_message_event_t *client_message) { static const int map[] = { THEME_LOCATION_RESIZING_TOP_LEFT, THEME_LOCATION_RESIZING_TOP, THEME_LOCATION_RESIZING_TOP_RIGHT, THEME_LOCATION_RESIZING_RIGHT, THEME_LOCATION_RESIZING_BOTTOM_RIGHT, THEME_LOCATION_RESIZING_BOTTOM, THEME_LOCATION_RESIZING_BOTTOM_LEFT, THEME_LOCATION_RESIZING_LEFT }; struct weston_wm *wm = window->wm; struct weston_seat *seat = weston_wm_pick_seat_for_window(window); struct weston_pointer *pointer = weston_seat_get_pointer(seat); int detail; const struct weston_desktop_xwayland_interface *xwayland_interface = wm->server->compositor->xwayland_interface; if (!pointer || pointer->button_count != 1 || !pointer->focus || pointer->focus->surface != window->surface) return; detail = client_message->data.data32[2]; switch (detail) { case _NET_WM_MOVERESIZE_MOVE: xwayland_interface->move(window->shsurf, pointer); break; case _NET_WM_MOVERESIZE_SIZE_TOPLEFT: case _NET_WM_MOVERESIZE_SIZE_TOP: case _NET_WM_MOVERESIZE_SIZE_TOPRIGHT: case _NET_WM_MOVERESIZE_SIZE_RIGHT: case _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT: case _NET_WM_MOVERESIZE_SIZE_BOTTOM: case _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT: case _NET_WM_MOVERESIZE_SIZE_LEFT: xwayland_interface->resize(window->shsurf, pointer, map[detail]); break; case _NET_WM_MOVERESIZE_CANCEL: break; } } #define _NET_WM_STATE_REMOVE 0 #define _NET_WM_STATE_ADD 1 #define _NET_WM_STATE_TOGGLE 2 static int update_state(int action, int *state) { int new_state, changed; switch (action) { case _NET_WM_STATE_REMOVE: new_state = 0; break; case _NET_WM_STATE_ADD: new_state = 1; break; case _NET_WM_STATE_TOGGLE: new_state = !*state; break; default: return 0; } changed = (*state != new_state); *state = new_state; return changed; } static void weston_wm_window_configure(void *data); static void weston_wm_window_set_toplevel(struct weston_wm_window *window) { const struct weston_desktop_xwayland_interface *xwayland_interface = window->wm->server->compositor->xwayland_interface; xwayland_interface->set_toplevel(window->shsurf); window->width = window->saved_width; window->height = window->saved_height; if (window->frame) { frame_unset_flag(window->frame, FRAME_FLAG_MAXIMIZED); frame_resize_inside(window->frame, window->width, window->height); } weston_wm_window_configure(window); } static inline bool weston_wm_window_is_maximized(struct weston_wm_window *window) { return window->maximized_horz && window->maximized_vert; } static void weston_wm_window_handle_state(struct weston_wm_window *window, xcb_client_message_event_t *client_message) { struct weston_wm *wm = window->wm; const struct weston_desktop_xwayland_interface *xwayland_interface = wm->server->compositor->xwayland_interface; uint32_t action, property1, property2; int maximized = weston_wm_window_is_maximized(window); action = client_message->data.data32[0]; property1 = client_message->data.data32[1]; property2 = client_message->data.data32[2]; if ((property1 == wm->atom.net_wm_state_fullscreen || property2 == wm->atom.net_wm_state_fullscreen) && update_state(action, &window->fullscreen)) { weston_wm_window_set_net_wm_state(window); if (window->fullscreen) { window->saved_width = window->width; window->saved_height = window->height; if (window->shsurf) xwayland_interface->set_fullscreen(window->shsurf, NULL); } else { if (window->shsurf) weston_wm_window_set_toplevel(window); } } else { if ((property1 == wm->atom.net_wm_state_maximized_vert || property2 == wm->atom.net_wm_state_maximized_vert) && update_state(action, &window->maximized_vert)) weston_wm_window_set_net_wm_state(window); if ((property1 == wm->atom.net_wm_state_maximized_horz || property2 == wm->atom.net_wm_state_maximized_horz) && update_state(action, &window->maximized_horz)) weston_wm_window_set_net_wm_state(window); if (maximized != weston_wm_window_is_maximized(window)) { if (weston_wm_window_is_maximized(window)) { window->saved_width = window->width; window->saved_height = window->height; if (window->shsurf) xwayland_interface->set_maximized(window->shsurf); } else if (window->shsurf) { weston_wm_window_set_toplevel(window); } } } } static void weston_wm_window_handle_iconic_state(struct weston_wm_window *window, xcb_client_message_event_t *client_message) { struct weston_wm *wm = window->wm; const struct weston_desktop_xwayland_interface *xwayland_interface = wm->server->compositor->xwayland_interface; uint32_t iconic_state; if (!window->shsurf) return; iconic_state = client_message->data.data32[0]; if (iconic_state == ICCCM_ICONIC_STATE) { window->saved_height = window->height; window->saved_width = window->width; xwayland_interface->set_minimized(window->shsurf); } } static void surface_destroy(struct wl_listener *listener, void *data) { struct weston_wm_window *window = container_of(listener, struct weston_wm_window, surface_destroy_listener); wm_printf(window->wm, "surface for xid %d destroyed\n", window->id); /* This should have been freed by the shell. * Don't try to use it later. */ window->shsurf = NULL; window->surface = NULL; } static void weston_wm_window_handle_surface_id(struct weston_wm_window *window, xcb_client_message_event_t *client_message) { struct weston_wm *wm = window->wm; struct wl_resource *resource; if (window->surface_id != 0) { wm_printf(wm, "already have surface id for window %d\n", window->id); return; } /* Xwayland will send the wayland requests to create the * wl_surface before sending this client message. Even so, we * can end up handling the X event before the wayland requests * and thus when we try to look up the surface ID, the surface * hasn't been created yet. In that case put the window on * the unpaired window list and continue when the surface gets * created. */ uint32_t id = client_message->data.data32[0]; resource = wl_client_get_object(wm->server->client, id); if (resource) { window->surface_id = 0; xserver_map_shell_surface(window, wl_resource_get_user_data(resource)); } else { window->surface_id = id; wl_list_insert(&wm->unpaired_window_list, &window->link); } } static void weston_wm_handle_client_message(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_client_message_event_t *client_message = (xcb_client_message_event_t *) event; struct weston_wm_window *window; wm_printf(wm, "XCB_CLIENT_MESSAGE (%s %d %d %d %d %d win %d)\n", get_atom_name(wm->conn, client_message->type), client_message->data.data32[0], client_message->data.data32[1], client_message->data.data32[2], client_message->data.data32[3], client_message->data.data32[4], client_message->window); /* The window may get created and destroyed before we actually * handle the message. If it doesn't exist, bail. */ if (!wm_lookup_window(wm, client_message->window, &window)) return; if (client_message->type == wm->atom.net_wm_moveresize) weston_wm_window_handle_moveresize(window, client_message); else if (client_message->type == wm->atom.net_wm_state) weston_wm_window_handle_state(window, client_message); else if (client_message->type == wm->atom.wl_surface_id) weston_wm_window_handle_surface_id(window, client_message); else if (client_message->type == wm->atom.wm_change_state) weston_wm_window_handle_iconic_state(window, client_message); } enum cursor_type { XWM_CURSOR_TOP, XWM_CURSOR_BOTTOM, XWM_CURSOR_LEFT, XWM_CURSOR_RIGHT, XWM_CURSOR_TOP_LEFT, XWM_CURSOR_TOP_RIGHT, XWM_CURSOR_BOTTOM_LEFT, XWM_CURSOR_BOTTOM_RIGHT, XWM_CURSOR_LEFT_PTR, }; /* * The following correspondences between file names and cursors was copied * from: https://bugs.kde.org/attachment.cgi?id=67313 */ static const char *bottom_left_corners[] = { "bottom_left_corner", "sw-resize", "size_bdiag" }; static const char *bottom_right_corners[] = { "bottom_right_corner", "se-resize", "size_fdiag" }; static const char *bottom_sides[] = { "bottom_side", "s-resize", "size_ver" }; static const char *left_ptrs[] = { "left_ptr", "default", "top_left_arrow", "left-arrow" }; static const char *left_sides[] = { "left_side", "w-resize", "size_hor" }; static const char *right_sides[] = { "right_side", "e-resize", "size_hor" }; static const char *top_left_corners[] = { "top_left_corner", "nw-resize", "size_fdiag" }; static const char *top_right_corners[] = { "top_right_corner", "ne-resize", "size_bdiag" }; static const char *top_sides[] = { "top_side", "n-resize", "size_ver" }; struct cursor_alternatives { const char **names; size_t count; }; static const struct cursor_alternatives cursors[] = { {top_sides, ARRAY_LENGTH(top_sides)}, {bottom_sides, ARRAY_LENGTH(bottom_sides)}, {left_sides, ARRAY_LENGTH(left_sides)}, {right_sides, ARRAY_LENGTH(right_sides)}, {top_left_corners, ARRAY_LENGTH(top_left_corners)}, {top_right_corners, ARRAY_LENGTH(top_right_corners)}, {bottom_left_corners, ARRAY_LENGTH(bottom_left_corners)}, {bottom_right_corners, ARRAY_LENGTH(bottom_right_corners)}, {left_ptrs, ARRAY_LENGTH(left_ptrs)}, }; static void weston_wm_create_cursors(struct weston_wm *wm) { const char *name; int i, count = ARRAY_LENGTH(cursors); size_t j; wm->cursors = malloc(count * sizeof(xcb_cursor_t)); for (i = 0; i < count; i++) { for (j = 0; j < cursors[i].count; j++) { name = cursors[i].names[j]; wm->cursors[i] = xcb_cursor_library_load_cursor(wm, name); if (wm->cursors[i] != (xcb_cursor_t)-1) break; } } wm->last_cursor = -1; } static void weston_wm_destroy_cursors(struct weston_wm *wm) { uint8_t i; for (i = 0; i < ARRAY_LENGTH(cursors); i++) xcb_free_cursor(wm->conn, wm->cursors[i]); free(wm->cursors); } static int get_cursor_for_location(enum theme_location location) { switch (location) { case THEME_LOCATION_RESIZING_TOP: return XWM_CURSOR_TOP; case THEME_LOCATION_RESIZING_BOTTOM: return XWM_CURSOR_BOTTOM; case THEME_LOCATION_RESIZING_LEFT: return XWM_CURSOR_LEFT; case THEME_LOCATION_RESIZING_RIGHT: return XWM_CURSOR_RIGHT; case THEME_LOCATION_RESIZING_TOP_LEFT: return XWM_CURSOR_TOP_LEFT; case THEME_LOCATION_RESIZING_TOP_RIGHT: return XWM_CURSOR_TOP_RIGHT; case THEME_LOCATION_RESIZING_BOTTOM_LEFT: return XWM_CURSOR_BOTTOM_LEFT; case THEME_LOCATION_RESIZING_BOTTOM_RIGHT: return XWM_CURSOR_BOTTOM_RIGHT; case THEME_LOCATION_EXTERIOR: case THEME_LOCATION_TITLEBAR: default: return XWM_CURSOR_LEFT_PTR; } } static void weston_wm_window_set_cursor(struct weston_wm *wm, xcb_window_t window_id, int cursor) { uint32_t cursor_value_list; if (wm->last_cursor == cursor) return; wm->last_cursor = cursor; cursor_value_list = wm->cursors[cursor]; xcb_change_window_attributes (wm->conn, window_id, XCB_CW_CURSOR, &cursor_value_list); xcb_flush(wm->conn); } static void weston_wm_window_close(struct weston_wm_window *window, xcb_timestamp_t time) { xcb_client_message_event_t client_message; if (window->delete_window) { client_message.response_type = XCB_CLIENT_MESSAGE; client_message.format = 32; client_message.window = window->id; client_message.type = window->wm->atom.wm_protocols; client_message.data.data32[0] = window->wm->atom.wm_delete_window; client_message.data.data32[1] = time; xcb_send_event(window->wm->conn, 0, window->id, XCB_EVENT_MASK_NO_EVENT, (char *) &client_message); } else { xcb_kill_client(window->wm->conn, window->id); } } #define DOUBLE_CLICK_PERIOD 250 static void weston_wm_handle_button(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_button_press_event_t *button = (xcb_button_press_event_t *) event; const struct weston_desktop_xwayland_interface *xwayland_interface = wm->server->compositor->xwayland_interface; struct weston_seat *seat; struct weston_pointer *pointer; struct weston_wm_window *window; enum theme_location location; enum wl_pointer_button_state button_state; uint32_t button_id; uint32_t double_click = 0; wm_printf(wm, "XCB_BUTTON_%s (detail %d)\n", button->response_type == XCB_BUTTON_PRESS ? "PRESS" : "RELEASE", button->detail); if (!wm_lookup_window(wm, button->event, &window) || !window->decorate) return; if (button->detail != 1 && button->detail != 2) return; seat = weston_wm_pick_seat_for_window(window); pointer = weston_seat_get_pointer(seat); button_state = button->response_type == XCB_BUTTON_PRESS ? WL_POINTER_BUTTON_STATE_PRESSED : WL_POINTER_BUTTON_STATE_RELEASED; button_id = button->detail == 1 ? BTN_LEFT : BTN_RIGHT; if (button_state == WL_POINTER_BUTTON_STATE_PRESSED) { if (button->time - window->last_button_time <= DOUBLE_CLICK_PERIOD) { double_click = 1; window->did_double = 1; } else window->did_double = 0; window->last_button_time = button->time; } else if (window->did_double == 1) { double_click = 1; window->did_double = 0; } /* Make sure we're looking at the right location. The frame * could have received a motion event from a pointer from a * different wl_seat, but under X it looks like our core * pointer moved. Move the frame pointer to the button press * location before deciding what to do. */ location = frame_pointer_motion(window->frame, NULL, button->event_x, button->event_y); if (double_click) location = frame_double_click(window->frame, NULL, button_id, button_state); else location = frame_pointer_button(window->frame, NULL, button_id, button_state); if (frame_status(window->frame) & FRAME_STATUS_REPAINT) weston_wm_window_schedule_repaint(window); if (frame_status(window->frame) & FRAME_STATUS_MOVE) { if (pointer) xwayland_interface->move(window->shsurf, pointer); frame_status_clear(window->frame, FRAME_STATUS_MOVE); } if (frame_status(window->frame) & FRAME_STATUS_RESIZE) { if (pointer) xwayland_interface->resize(window->shsurf, pointer, location); frame_status_clear(window->frame, FRAME_STATUS_RESIZE); } if (frame_status(window->frame) & FRAME_STATUS_CLOSE) { weston_wm_window_close(window, button->time); frame_status_clear(window->frame, FRAME_STATUS_CLOSE); } if (frame_status(window->frame) & FRAME_STATUS_MAXIMIZE) { window->maximized_horz = !window->maximized_horz; window->maximized_vert = !window->maximized_vert; weston_wm_window_set_net_wm_state(window); if (weston_wm_window_is_maximized(window)) { window->saved_width = window->width; window->saved_height = window->height; xwayland_interface->set_maximized(window->shsurf); } else { weston_wm_window_set_toplevel(window); } frame_status_clear(window->frame, FRAME_STATUS_MAXIMIZE); } if (frame_status(window->frame) & FRAME_STATUS_MINIMIZE) { window->saved_width = window->width; window->saved_height = window->height; xwayland_interface->set_minimized(window->shsurf); frame_status_clear(window->frame, FRAME_STATUS_MINIMIZE); } } static void weston_wm_handle_motion(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_motion_notify_event_t *motion = (xcb_motion_notify_event_t *) event; struct weston_wm_window *window; enum theme_location location; int cursor; if (!wm_lookup_window(wm, motion->event, &window) || !window->decorate) return; location = frame_pointer_motion(window->frame, NULL, motion->event_x, motion->event_y); if (frame_status(window->frame) & FRAME_STATUS_REPAINT) weston_wm_window_schedule_repaint(window); cursor = get_cursor_for_location(location); weston_wm_window_set_cursor(wm, window->frame_id, cursor); } static void weston_wm_handle_enter(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_enter_notify_event_t *enter = (xcb_enter_notify_event_t *) event; struct weston_wm_window *window; enum theme_location location; int cursor; if (!wm_lookup_window(wm, enter->event, &window) || !window->decorate) return; location = frame_pointer_enter(window->frame, NULL, enter->event_x, enter->event_y); if (frame_status(window->frame) & FRAME_STATUS_REPAINT) weston_wm_window_schedule_repaint(window); cursor = get_cursor_for_location(location); weston_wm_window_set_cursor(wm, window->frame_id, cursor); } static void weston_wm_handle_leave(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_leave_notify_event_t *leave = (xcb_leave_notify_event_t *) event; struct weston_wm_window *window; if (!wm_lookup_window(wm, leave->event, &window) || !window->decorate) return; frame_pointer_leave(window->frame, NULL); if (frame_status(window->frame) & FRAME_STATUS_REPAINT) weston_wm_window_schedule_repaint(window); weston_wm_window_set_cursor(wm, window->frame_id, XWM_CURSOR_LEFT_PTR); } static void weston_wm_handle_focus_in(struct weston_wm *wm, xcb_generic_event_t *event) { xcb_focus_in_event_t *focus = (xcb_focus_in_event_t *) event; /* Do not interfere with grabs */ if (focus->mode == XCB_NOTIFY_MODE_GRAB || focus->mode == XCB_NOTIFY_MODE_UNGRAB) return; /* Do not let X clients change the focus behind the compositor's * back. Reset the focus to the old one if it changed. */ if (!wm->focus_window || focus->event != wm->focus_window->id) weston_wm_send_focus_window(wm, wm->focus_window); } static int weston_wm_handle_event(int fd, uint32_t mask, void *data) { struct weston_wm *wm = data; xcb_generic_event_t *event; int count = 0; while (event = xcb_poll_for_event(wm->conn), event != NULL) { if (weston_wm_handle_selection_event(wm, event)) { free(event); count++; continue; } if (weston_wm_handle_dnd_event(wm, event)) { free(event); count++; continue; } switch (EVENT_TYPE(event)) { case XCB_BUTTON_PRESS: case XCB_BUTTON_RELEASE: weston_wm_handle_button(wm, event); break; case XCB_ENTER_NOTIFY: weston_wm_handle_enter(wm, event); break; case XCB_LEAVE_NOTIFY: weston_wm_handle_leave(wm, event); break; case XCB_MOTION_NOTIFY: weston_wm_handle_motion(wm, event); break; case XCB_CREATE_NOTIFY: weston_wm_handle_create_notify(wm, event); break; case XCB_MAP_REQUEST: weston_wm_handle_map_request(wm, event); break; case XCB_MAP_NOTIFY: weston_wm_handle_map_notify(wm, event); break; case XCB_UNMAP_NOTIFY: weston_wm_handle_unmap_notify(wm, event); break; case XCB_REPARENT_NOTIFY: weston_wm_handle_reparent_notify(wm, event); break; case XCB_CONFIGURE_REQUEST: weston_wm_handle_configure_request(wm, event); break; case XCB_CONFIGURE_NOTIFY: weston_wm_handle_configure_notify(wm, event); break; case XCB_DESTROY_NOTIFY: weston_wm_handle_destroy_notify(wm, event); break; case XCB_MAPPING_NOTIFY: wm_printf(wm, "XCB_MAPPING_NOTIFY\n"); break; case XCB_PROPERTY_NOTIFY: weston_wm_handle_property_notify(wm, event); break; case XCB_CLIENT_MESSAGE: weston_wm_handle_client_message(wm, event); break; case XCB_FOCUS_IN: weston_wm_handle_focus_in(wm, event); break; } free(event); count++; } if (count != 0) xcb_flush(wm->conn); return count; } static void weston_wm_set_net_active_window(struct weston_wm *wm, xcb_window_t window) { xcb_change_property(wm->conn, XCB_PROP_MODE_REPLACE, wm->screen->root, wm->atom.net_active_window, wm->atom.window, 32, 1, &window); } static void weston_wm_get_visual_and_colormap(struct weston_wm *wm) { xcb_depth_iterator_t d_iter; xcb_visualtype_iterator_t vt_iter; xcb_visualtype_t *visualtype; d_iter = xcb_screen_allowed_depths_iterator(wm->screen); visualtype = NULL; while (d_iter.rem > 0) { if (d_iter.data->depth == 32) { vt_iter = xcb_depth_visuals_iterator(d_iter.data); visualtype = vt_iter.data; break; } xcb_depth_next(&d_iter); } if (visualtype == NULL) { weston_log("no 32 bit visualtype\n"); return; } wm->visual_id = visualtype->visual_id; wm->colormap = xcb_generate_id(wm->conn); xcb_create_colormap(wm->conn, XCB_COLORMAP_ALLOC_NONE, wm->colormap, wm->screen->root, wm->visual_id); } static void weston_wm_get_resources(struct weston_wm *wm) { xcb_xfixes_query_version_cookie_t xfixes_cookie; xcb_xfixes_query_version_reply_t *xfixes_reply; xcb_render_query_pict_formats_reply_t *formats_reply; xcb_render_query_pict_formats_cookie_t formats_cookie; xcb_render_pictforminfo_t *formats; uint32_t i; xcb_prefetch_extension_data (wm->conn, &xcb_xfixes_id); xcb_prefetch_extension_data (wm->conn, &xcb_composite_id); formats_cookie = xcb_render_query_pict_formats(wm->conn); x11_get_atoms(wm->conn, &wm->atom); wm->xfixes = xcb_get_extension_data(wm->conn, &xcb_xfixes_id); if (!wm->xfixes || !wm->xfixes->present) weston_log("xfixes not available\n"); xfixes_cookie = xcb_xfixes_query_version(wm->conn, XCB_XFIXES_MAJOR_VERSION, XCB_XFIXES_MINOR_VERSION); xfixes_reply = xcb_xfixes_query_version_reply(wm->conn, xfixes_cookie, NULL); weston_log("xfixes version: %d.%d\n", xfixes_reply->major_version, xfixes_reply->minor_version); free(xfixes_reply); formats_reply = xcb_render_query_pict_formats_reply(wm->conn, formats_cookie, 0); if (formats_reply == NULL) return; formats = xcb_render_query_pict_formats_formats(formats_reply); for (i = 0; i < formats_reply->num_formats; i++) { if (formats[i].direct.red_mask != 0xff && formats[i].direct.red_shift != 16) continue; if (formats[i].type == XCB_RENDER_PICT_TYPE_DIRECT && formats[i].depth == 24) wm->format_rgb = formats[i]; if (formats[i].type == XCB_RENDER_PICT_TYPE_DIRECT && formats[i].depth == 32 && formats[i].direct.alpha_mask == 0xff && formats[i].direct.alpha_shift == 24) wm->format_rgba = formats[i]; } free(formats_reply); } static void weston_wm_create_wm_window(struct weston_wm *wm) { static const char name[] = "Weston WM"; wm->wm_window = xcb_generate_id(wm->conn); xcb_create_window(wm->conn, XCB_COPY_FROM_PARENT, wm->wm_window, wm->screen->root, 0, 0, 10, 10, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, wm->screen->root_visual, 0, NULL); xcb_change_property(wm->conn, XCB_PROP_MODE_REPLACE, wm->wm_window, wm->atom.net_supporting_wm_check, XCB_ATOM_WINDOW, 32, /* format */ 1, &wm->wm_window); xcb_change_property(wm->conn, XCB_PROP_MODE_REPLACE, wm->wm_window, wm->atom.net_wm_name, wm->atom.utf8_string, 8, /* format */ strlen(name), name); xcb_change_property(wm->conn, XCB_PROP_MODE_REPLACE, wm->screen->root, wm->atom.net_supporting_wm_check, XCB_ATOM_WINDOW, 32, /* format */ 1, &wm->wm_window); /* Claim the WM_S0 selection even though we don't support * the --replace functionality. */ xcb_set_selection_owner(wm->conn, wm->wm_window, wm->atom.wm_s0, XCB_TIME_CURRENT_TIME); xcb_set_selection_owner(wm->conn, wm->wm_window, wm->atom.net_wm_cm_s0, XCB_TIME_CURRENT_TIME); } struct weston_wm * weston_wm_create(struct weston_xserver *wxs, int fd) { struct weston_wm *wm; struct wl_event_loop *loop; xcb_screen_iterator_t s; uint32_t values[1]; xcb_atom_t supported[7]; wm = zalloc(sizeof *wm); if (wm == NULL) return NULL; wm->server = wxs; wm->window_hash = hash_table_create(); if (wm->window_hash == NULL) { free(wm); return NULL; } /* xcb_connect_to_fd takes ownership of the fd. */ wm->conn = xcb_connect_to_fd(fd, NULL); if (xcb_connection_has_error(wm->conn)) { weston_log("xcb_connect_to_fd failed\n"); close(fd); hash_table_destroy(wm->window_hash); free(wm); return NULL; } s = xcb_setup_roots_iterator(xcb_get_setup(wm->conn)); wm->screen = s.data; loop = wl_display_get_event_loop(wxs->wl_display); wm->source = wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE, weston_wm_handle_event, wm); wl_event_source_check(wm->source); weston_wm_get_resources(wm); weston_wm_get_visual_and_colormap(wm); values[0] = XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_PROPERTY_CHANGE; xcb_change_window_attributes(wm->conn, wm->screen->root, XCB_CW_EVENT_MASK, values); xcb_composite_redirect_subwindows(wm->conn, wm->screen->root, XCB_COMPOSITE_REDIRECT_MANUAL); wm->theme = theme_create(); supported[0] = wm->atom.net_wm_moveresize; supported[1] = wm->atom.net_wm_state; supported[2] = wm->atom.net_wm_state_fullscreen; supported[3] = wm->atom.net_wm_state_maximized_vert; supported[4] = wm->atom.net_wm_state_maximized_horz; supported[5] = wm->atom.net_active_window; supported[6] = wm->atom.net_frame_extents; xcb_change_property(wm->conn, XCB_PROP_MODE_REPLACE, wm->screen->root, wm->atom.net_supported, XCB_ATOM_ATOM, 32, /* format */ ARRAY_LENGTH(supported), supported); weston_wm_set_net_active_window(wm, XCB_WINDOW_NONE); weston_wm_selection_init(wm); weston_wm_dnd_init(wm); xcb_flush(wm->conn); wm->create_surface_listener.notify = weston_wm_create_surface; wl_signal_add(&wxs->compositor->create_surface_signal, &wm->create_surface_listener); wm->activate_listener.notify = weston_wm_window_activate; wl_signal_add(&wxs->compositor->activate_signal, &wm->activate_listener); wm->kill_listener.notify = weston_wm_kill_client; wl_signal_add(&wxs->compositor->kill_signal, &wm->kill_listener); wl_list_init(&wm->unpaired_window_list); weston_wm_create_cursors(wm); weston_wm_window_set_cursor(wm, wm->screen->root, XWM_CURSOR_LEFT_PTR); /* Create wm window and take WM_S0 selection last, which * signals to Xwayland that we're done with setup. */ weston_wm_create_wm_window(wm); weston_log("created wm, root %d\n", wm->screen->root); return wm; } void weston_wm_destroy(struct weston_wm *wm) { /* FIXME: Free windows in hash. */ hash_table_destroy(wm->window_hash); weston_wm_destroy_cursors(wm); theme_destroy(wm->theme); xcb_disconnect(wm->conn); wl_event_source_remove(wm->source); wl_list_remove(&wm->selection_listener.link); wl_list_remove(&wm->activate_listener.link); wl_list_remove(&wm->kill_listener.link); wl_list_remove(&wm->create_surface_listener.link); free(wm); } static struct weston_wm_window * get_wm_window(struct weston_surface *surface) { struct wl_listener *listener; listener = wl_signal_get(&surface->destroy_signal, surface_destroy); if (listener) return container_of(listener, struct weston_wm_window, surface_destroy_listener); return NULL; } static bool is_wm_window(struct weston_surface *surface) { return get_wm_window(surface) != NULL; } static void weston_wm_window_configure(void *data) { struct weston_wm_window *window = data; struct weston_wm *wm = window->wm; uint32_t values[4]; int x, y; if (window->configure_source) { wl_event_source_remove(window->configure_source); window->configure_source = NULL; } weston_wm_window_set_allow_commits(window, false); weston_wm_window_get_child_position(window, &x, &y); values[0] = x; values[1] = y; values[2] = window->width; values[3] = window->height; weston_wm_configure_window(wm, window->id, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, values); weston_wm_window_configure_frame(window); weston_wm_window_schedule_repaint(window); } static void send_configure(struct weston_surface *surface, int32_t width, int32_t height) { struct weston_wm_window *window = get_wm_window(surface); struct weston_wm *wm; struct theme *t; int new_width, new_height; int vborder, hborder; if (!window || !window->wm) return; wm = window->wm; t = wm->theme; if (window->decorate && !window->fullscreen) { hborder = 2 * t->width; vborder = t->titlebar_height + t->width; } else { hborder = 0; vborder = 0; } if (width > hborder) new_width = width - hborder; else new_width = 1; if (height > vborder) new_height = height - vborder; else new_height = 1; if (window->width != new_width || window->height != new_height) { window->width = new_width; window->height = new_height; if (window->frame) { if (weston_wm_window_is_maximized(window)) frame_set_flag(window->frame, FRAME_FLAG_MAXIMIZED); frame_resize_inside(window->frame, window->width, window->height); } } if (window->configure_source) return; window->configure_source = wl_event_loop_add_idle(wm->server->loop, weston_wm_window_configure, window); } static void send_close(struct weston_surface *surface) { struct weston_wm_window *window = get_wm_window(surface); if (!window || !window->wm) return; weston_wm_window_close(window, XCB_CURRENT_TIME); xcb_flush(window->wm->conn); } static void send_position(struct weston_surface *surface, int32_t x, int32_t y) { struct weston_wm_window *window = get_wm_window(surface); struct weston_wm *wm; uint32_t values[2]; uint16_t mask; if (!window || !window->wm) return; wm = window->wm; /* We use pos_dirty to tell whether a configure message is in flight. * This is needed in case we send two configure events in a very * short time, since window->x/y is set in after a roundtrip, hence * we cannot just check if the current x and y are different. */ if (window->x != x || window->y != y || window->pos_dirty) { window->pos_dirty = true; values[0] = x; values[1] = y; mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y; weston_wm_configure_window(wm, window->frame_id, mask, values); xcb_flush(wm->conn); } } static const struct weston_xwayland_client_interface shell_client = { send_configure, send_close, }; static int legacy_fullscreen(struct weston_wm *wm, struct weston_wm_window *window, struct weston_output **output_ret) { struct weston_compositor *compositor = wm->server->compositor; struct weston_output *output; uint32_t minmax = PMinSize | PMaxSize; int matching_size; /* Heuristics for detecting legacy fullscreen windows... */ wl_list_for_each(output, &compositor->output_list, link) { if (output->x == window->x && output->y == window->y && output->width == window->width && output->height == window->height && window->override_redirect) { *output_ret = output; return 1; } matching_size = 0; if ((window->size_hints.flags & (USSize |PSize)) && window->size_hints.width == output->width && window->size_hints.height == output->height) matching_size = 1; if ((window->size_hints.flags & minmax) == minmax && window->size_hints.min_width == output->width && window->size_hints.min_height == output->height && window->size_hints.max_width == output->width && window->size_hints.max_height == output->height) matching_size = 1; if (matching_size && !window->decorate && (window->size_hints.flags & (USPosition | PPosition)) && window->size_hints.x == output->x && window->size_hints.y == output->y) { *output_ret = output; return 1; } } return 0; } static bool weston_wm_window_is_positioned(struct weston_wm_window *window) { if (window->map_request_x == INT_MIN || window->map_request_y == INT_MIN) weston_log("XWM warning: win %d did not see map request\n", window->id); return window->map_request_x != 0 || window->map_request_y != 0; } static bool weston_wm_window_type_inactive(struct weston_wm_window *window) { struct weston_wm *wm = window->wm; return window->type == wm->atom.net_wm_window_type_tooltip || window->type == wm->atom.net_wm_window_type_dropdown || window->type == wm->atom.net_wm_window_type_dnd || window->type == wm->atom.net_wm_window_type_combo || window->type == wm->atom.net_wm_window_type_popup || window->type == wm->atom.net_wm_window_type_utility; } static void xserver_map_shell_surface(struct weston_wm_window *window, struct weston_surface *surface) { struct weston_wm *wm = window->wm; struct weston_desktop_xwayland *xwayland = wm->server->compositor->xwayland; const struct weston_desktop_xwayland_interface *xwayland_interface = wm->server->compositor->xwayland_interface; struct weston_wm_window *parent; /* This should be necessary only for override-redirected windows, * because otherwise MapRequest handler would have already updated * the properties. However, if X11 clients set properties after * sending MapWindow, here we can still process them. The decorations * have already been drawn once with the old property values, so if the * app changes something affecting decor after MapWindow, we glitch. * We only hit xserver_map_shell_surface() once per MapWindow and * wl_surface, so better ensure we get the window type right. */ weston_wm_window_read_properties(window); /* A weston_wm_window may have many different surfaces assigned * throughout its life, so we must make sure to remove the listener * from the old surface signal list. */ if (window->surface) wl_list_remove(&window->surface_destroy_listener.link); window->surface = surface; window->surface_destroy_listener.notify = surface_destroy; wl_signal_add(&window->surface->destroy_signal, &window->surface_destroy_listener); if (!xwayland_interface) return; if (window->surface->committed) { weston_log("warning, unexpected in %s: " "surface's configure hook is already set.\n", __func__); return; } window->shsurf = xwayland_interface->create_surface(xwayland, window->surface, &shell_client); wm_printf(wm, "XWM: map shell surface, win %d, weston_surface %p, xwayland surface %p\n", window->id, window->surface, window->shsurf); if (window->name) xwayland_interface->set_title(window->shsurf, window->name); if (window->pid > 0) xwayland_interface->set_pid(window->shsurf, window->pid); if (window->fullscreen) { window->saved_width = window->width; window->saved_height = window->height; xwayland_interface->set_fullscreen(window->shsurf, window->legacy_fullscreen_output.output); } else if (window->override_redirect) { xwayland_interface->set_xwayland(window->shsurf, window->x, window->y); } else if (window->transient_for && window->transient_for->surface) { parent = window->transient_for; if (weston_wm_window_type_inactive(window)) { xwayland_interface->set_transient(window->shsurf, parent->surface, window->x - parent->x, window->y - parent->y); } else { xwayland_interface->set_toplevel(window->shsurf); xwayland_interface->set_parent(window->shsurf, parent->surface); } } else if (weston_wm_window_is_maximized(window)) { xwayland_interface->set_maximized(window->shsurf); } else { if (weston_wm_window_type_inactive(window)) { xwayland_interface->set_xwayland(window->shsurf, window->x, window->y); } else if (weston_wm_window_is_positioned(window)) { xwayland_interface->set_toplevel_with_position(window->shsurf, window->map_request_x, window->map_request_y); } else { xwayland_interface->set_toplevel(window->shsurf); } } if (window->frame_id == XCB_WINDOW_NONE) { weston_wm_window_set_pending_state_OR(window); } else { weston_wm_window_set_pending_state(window); weston_wm_window_set_allow_commits(window, true); xcb_flush(wm->conn); } } const struct weston_xwayland_surface_api surface_api = { is_wm_window, send_position, };