/* * Copyright © 2011 Intel Corporation * * Permission to use, copy, modify, distribute, and sell this software and * its documentation for any purpose is hereby granted without fee, provided * that the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of the copyright holders not be used in * advertising or publicity pertaining to distribution of the software * without specific, written prior permission. The copyright holders make * no representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. * * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include "xwayland.h" #include "cairo-util.h" #include "compositor.h" #include "xserver-server-protocol.h" #include "hash.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_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_wm_window { struct weston_wm *wm; xcb_window_t id; xcb_window_t frame_id; struct frame *frame; cairo_surface_t *cairo_surface; struct weston_surface *surface; struct shell_surface *shsurf; struct weston_view *view; 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, y; int saved_width, saved_height; int decorate; int override_redirect; int fullscreen; int has_alpha; int delete_window; struct wm_size_hints size_hints; struct motif_wm_hints motif_hints; }; static struct weston_wm_window * get_wm_window(struct weston_surface *surface); static void weston_wm_window_schedule_repaint(struct weston_wm_window *window); static int __attribute__ ((format (printf, 1, 2))) wm_log(const char *fmt, ...) { #ifdef WM_DEBUG int l; va_list argp; va_start(argp, fmt); l = weston_vlog(fmt, argp); va_end(argp); return l; #else return 0; #endif } static int __attribute__ ((format (printf, 1, 2))) wm_log_continue(const char *fmt, ...) { #ifdef WM_DEBUG int l; va_list argp; va_start(argp, fmt); l = weston_vlog_continue(fmt, argp); va_end(argp); return l; #else return 0; #endif } const char * get_atom_name(xcb_connection_t *c, xcb_atom_t atom) { xcb_get_atom_name_cookie_t cookie; xcb_get_atom_name_reply_t *reply; xcb_generic_error_t *e; static char buffer[64]; if (atom == XCB_ATOM_NONE) return "None"; cookie = xcb_get_atom_name (c, atom); reply = xcb_get_atom_name_reply (c, cookie, &e); if(reply) { snprintf(buffer, sizeof buffer, "%.*s", xcb_get_atom_name_name_length (reply), xcb_get_atom_name_name (reply)); } else { snprintf(buffer, sizeof buffer, "(atom %u)", atom); } free(reply); return buffer; } 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; int size = 0; if (!file) return 0; v = getenv ("XCURSOR_SIZE"); if (v) size = atoi(v); if (!size) size = 32; images = XcursorLibraryLoadImages (file, NULL, size); if (!images) return -1; cursor = xcb_cursor_images_load_cursor (wm, images); XcursorImagesDestroy (images); return cursor; } void dump_property(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; int width, len; uint32_t i; width = wm_log_continue("%s: ", get_atom_name(wm->conn, property)); if (reply == NULL) { wm_log_continue("(no reply)\n"); return; } width += wm_log_continue("%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); wm_log_continue("%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; wm_log_continue("\"%.*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) { wm_log_continue("\n "); width = 4; } else if (i > 0) { width += wm_log_continue(", "); } width += wm_log_continue("%s", name); } wm_log_continue("\n"); } else { wm_log_continue("huh?\n"); } } static void read_and_dump_property(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(wm, property, reply); free(reply); } /* We reuse some predefined, but otherwise useles atoms */ #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; struct weston_shell_interface *shell_interface = &wm->server->compositor->shell_interface; #define F(field) offsetof(struct weston_wm_window, field) const struct { xcb_atom_t atom; xcb_atom_t type; int offset; } 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, F(protocols) }, { wm->atom.wm_normal_hints, TYPE_WM_NORMAL_HINTS, F(protocols) }, { wm->atom.net_wm_state, TYPE_NET_WM_STATE }, { 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, 0 }, { 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; 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; 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 = ((char *) window + props[i].offset); 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); *(struct weston_wm_window **) p = hash_table_lookup(wm->window_hash, *xid); 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; 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) window->decorate = window->motif_hints.decorations > 0; break; default: break; } free(reply); } if (window->shsurf && window->name) shell_interface->set_title(window->shsurf, window->name); if (window->frame && window->name) frame_set_title(window->frame, window->name); } 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; weston_wm_window_get_child_position(window, &x, &y); 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; configure_notify.y = y; 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_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 mask, values[16]; int x, y, width, height, i = 0; wm_log("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); window = hash_table_lookup(wm->window_hash, configure_request->window); 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) 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; } xcb_configure_window(wm->conn, window->id, mask, values); weston_wm_window_get_frame_size(window, &width, &height); values[0] = width; values[1] = height; mask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT; xcb_configure_window(wm->conn, window->frame_id, mask, values); 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; struct weston_wm_window *window; wm_log("XCB_CONFIGURE_NOTIFY (window %d) %d,%d @ %dx%d\n", configure_notify->window, configure_notify->x, configure_notify->y, configure_notify->width, configure_notify->height); window = hash_table_lookup(wm->window_hash, configure_notify->window); window->x = configure_notify->x; window->y = configure_notify->y; 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); } } 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); char name[1024]; if (!window) return; gethostname(name, 1024); /* 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 (!strcmp(window->machine, name) && window->pid != 0) kill(window->pid, SIGKILL); } static void weston_wm_window_activate(struct wl_listener *listener, void *data) { struct weston_surface *surface = data; struct weston_wm_window *window = NULL; struct weston_wm *wm = container_of(listener, struct weston_wm, activate_listener); xcb_client_message_event_t client_message; if (surface) { window = get_wm_window(surface); } if (window) { 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); } else { xcb_set_input_focus (wm->conn, XCB_INPUT_FOCUS_POINTER_ROOT, XCB_NONE, XCB_TIME_CURRENT_TIME); } 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); } } static void weston_wm_window_transform(struct wl_listener *listener, void *data) { struct weston_surface *surface = data; struct weston_wm_window *window = get_wm_window(surface); struct weston_wm *wm = container_of(listener, struct weston_wm, transform_listener); uint32_t mask, values[2]; if (!window || !wm) return; if (!window->view || !weston_view_is_mapped(window->view)) return; if (window->x != window->view->geometry.x || window->y != window->view->geometry.y) { values[0] = window->view->geometry.x; values[1] = window->view->geometry.y; mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y; xcb_configure_window(wm->conn, window->frame_id, mask, values); 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_wm_state(struct weston_wm_window *window) { struct weston_wm *wm = window->wm; uint32_t property[1]; int i; i = 0; if (window->fullscreen) property[i++] = wm->atom.net_wm_state_fullscreen; 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; window->frame = frame_create(window->wm->theme, window->width, window->height, FRAME_BUTTON_CLOSE, window->name); 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; xcb_configure_window(wm->conn, 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); } 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; if (our_resource(wm, map_request->window)) { wm_log("XCB_MAP_REQUEST (window %d, ours)\n", map_request->window); return; } window = hash_table_lookup(wm->window_hash, map_request->window); weston_wm_window_read_properties(window); if (window->frame_id == XCB_WINDOW_NONE) weston_wm_window_create_frame(window); wm_log("XCB_MAP_REQUEST (window %d, %p, frame %d)\n", window->id, window, window->frame_id); weston_wm_window_set_wm_state(window, ICCCM_NORMAL_STATE); weston_wm_window_set_net_wm_state(window); xcb_map_window(wm->conn, map_request->window); xcb_map_window(wm->conn, window->frame_id); } 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_log("XCB_MAP_NOTIFY (window %d, ours)\n", map_notify->window); return; } wm_log("XCB_MAP_NOTIFY (window %d)\n", map_notify->window); } 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_log("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; window = hash_table_lookup(wm->window_hash, unmap_notify->window); 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; window->view = NULL; xcb_unmap_window(wm->conn, window->frame_id); } static void weston_wm_window_draw_decoration(void *data) { struct weston_wm_window *window = data; struct weston_wm *wm = window->wm; struct theme *t = wm->theme; cairo_t *cr; int x, y, width, height; int32_t input_x, input_y, input_w, input_h; uint32_t flags = 0; weston_wm_window_read_properties(window); window->repaint_source = NULL; weston_wm_window_get_frame_size(window, &width, &height); weston_wm_window_get_child_position(window, &x, &y); cairo_xcb_surface_set_size(window->cairo_surface, width, height); cr = cairo_create(window->cairo_surface); if (window->fullscreen) { /* nothing */ } else if (window->decorate) { if (wm->focus_window == window) flags |= THEME_FRAME_ACTIVE; frame_repaint(window->frame, cr); } else { cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); cairo_set_source_rgba(cr, 0, 0, 0, 0); cairo_paint(cr); cairo_set_operator(cr, CAIRO_OPERATOR_OVER); cairo_set_source_rgba(cr, 0, 0, 0, 0.45); tile_mask(cr, t->shadow, 2, 2, width + 8, height + 8, 64, 64); } cairo_destroy(cr); if (window->surface) { 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->view) weston_view_geometry_dirty(window->view); pixman_region32_fini(&window->surface->pending.input); if (window->fullscreen) { input_x = 0; input_y = 0; input_w = window->width; input_h = window->height; } else if (window->decorate) { frame_input_rect(window->frame, &input_x, &input_y, &input_w, &input_h); } pixman_region32_init_rect(&window->surface->pending.input, input_x, input_y, input_w, input_h); } } static void weston_wm_window_schedule_repaint(struct weston_wm_window *window) { struct weston_wm *wm = window->wm; int width, height; if (window->frame_id == XCB_WINDOW_NONE) { if (window->surface != NULL) { 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); } if (window->view) weston_view_geometry_dirty(window->view); } return; } if (window->repaint_source) return; window->repaint_source = wl_event_loop_add_idle(wm->server->loop, weston_wm_window_draw_decoration, 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; window = hash_table_lookup(wm->window_hash, property_notify->window); if (!window) return; window->properties_dirty = 1; wm_log("XCB_PROPERTY_NOTIFY: window %d, ", property_notify->window); if (property_notify->state == XCB_PROPERTY_DELETE) wm_log("deleted\n"); else read_and_dump_property(wm, property_notify->window, 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_log("failed to allocate window\n"); return; } geometry_cookie = xcb_get_geometry(wm->conn, id); values[0] = XCB_EVENT_MASK_PROPERTY_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; window->x = x; window->y = y; 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; 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); hash_table_remove(wm->window_hash, window->frame_id); window->frame_id = XCB_WINDOW_NONE; } 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_log("XCB_CREATE_NOTIFY (window %d, width %d, height %d%s%s)\n", create_notify->window, 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_log("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; window = hash_table_lookup(wm->window_hash, destroy_notify->window); 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_log("XCB_REPARENT_NOTIFY (window %d, parent %d, event %d)\n", reparent_notify->window, reparent_notify->parent, reparent_notify->event); 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)) { window = hash_table_lookup(wm->window_hash, reparent_notify->window); weston_wm_window_destroy(window); } } struct weston_seat * weston_wm_pick_seat(struct weston_wm *wm) { return container_of(wm->server->compositor->seat_list.next, struct weston_seat, link); } 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(wm); int detail; struct weston_shell_interface *shell_interface = &wm->server->compositor->shell_interface; if (seat->pointer->button_count != 1 || !window->view || seat->pointer->focus != window->view) return; detail = client_message->data.data32[2]; switch (detail) { case _NET_WM_MOVERESIZE_MOVE: shell_interface->move(window->shsurf, seat); 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: shell_interface->resize(window->shsurf, seat, 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_handle_state(struct weston_wm_window *window, xcb_client_message_event_t *client_message) { struct weston_wm *wm = window->wm; struct weston_shell_interface *shell_interface = &wm->server->compositor->shell_interface; uint32_t action, property; action = client_message->data.data32[0]; property = client_message->data.data32[1]; if (property == 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) shell_interface->set_fullscreen(window->shsurf, WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT, 0, NULL); } else { shell_interface->set_toplevel(window->shsurf); window->width = window->saved_width; window->height = window->saved_height; if (window->frame) frame_resize_inside(window->frame, window->width, window->height); weston_wm_window_configure(window); } } } 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; window = hash_table_lookup(wm->window_hash, client_message->window); wm_log("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); 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); } 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) { // int location = theme_get_location(t, x, y, width, height, 0); 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); } } 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; struct weston_shell_interface *shell_interface = &wm->server->compositor->shell_interface; struct weston_seat *seat = weston_wm_pick_seat(wm); struct weston_wm_window *window; enum theme_location location; enum frame_button_state button_state; uint32_t button_id; wm_log("XCB_BUTTON_%s (detail %d)\n", button->response_type == XCB_BUTTON_PRESS ? "PRESS" : "RELEASE", button->detail); window = hash_table_lookup(wm->window_hash, button->event); if (!window || !window->decorate) return; if (button->detail != 1 && button->detail != 2) return; button_state = button->response_type == XCB_BUTTON_PRESS ? FRAME_BUTTON_PRESSED : FRAME_BUTTON_RELEASED; button_id = button->detail == 1 ? BTN_LEFT : BTN_RIGHT; 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) { shell_interface->move(window->shsurf, seat); frame_status_clear(window->frame, FRAME_STATUS_MOVE); } if (frame_status(window->frame) & FRAME_STATUS_RESIZE) { shell_interface->resize(window->shsurf, seat, 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); } } 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; window = hash_table_lookup(wm->window_hash, motion->event); if (!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; window = hash_table_lookup(wm->window_hash, enter->event); if (!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; window = hash_table_lookup(wm->window_hash, leave->event); if (!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 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_log("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; } free(event); count++; } xcb_flush(wm->conn); return count; } 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) { #define F(field) offsetof(struct weston_wm, field) static const struct { const char *name; int offset; } atoms[] = { { "WM_PROTOCOLS", F(atom.wm_protocols) }, { "WM_NORMAL_HINTS", F(atom.wm_normal_hints) }, { "WM_TAKE_FOCUS", F(atom.wm_take_focus) }, { "WM_DELETE_WINDOW", F(atom.wm_delete_window) }, { "WM_STATE", F(atom.wm_state) }, { "WM_S0", F(atom.wm_s0) }, { "WM_CLIENT_MACHINE", F(atom.wm_client_machine) }, { "_NET_WM_CM_S0", F(atom.net_wm_cm_s0) }, { "_NET_WM_NAME", F(atom.net_wm_name) }, { "_NET_WM_PID", F(atom.net_wm_pid) }, { "_NET_WM_ICON", F(atom.net_wm_icon) }, { "_NET_WM_STATE", F(atom.net_wm_state) }, { "_NET_WM_STATE_FULLSCREEN", F(atom.net_wm_state_fullscreen) }, { "_NET_WM_USER_TIME", F(atom.net_wm_user_time) }, { "_NET_WM_ICON_NAME", F(atom.net_wm_icon_name) }, { "_NET_WM_WINDOW_TYPE", F(atom.net_wm_window_type) }, { "_NET_WM_WINDOW_TYPE_DESKTOP", F(atom.net_wm_window_type_desktop) }, { "_NET_WM_WINDOW_TYPE_DOCK", F(atom.net_wm_window_type_dock) }, { "_NET_WM_WINDOW_TYPE_TOOLBAR", F(atom.net_wm_window_type_toolbar) }, { "_NET_WM_WINDOW_TYPE_MENU", F(atom.net_wm_window_type_menu) }, { "_NET_WM_WINDOW_TYPE_UTILITY", F(atom.net_wm_window_type_utility) }, { "_NET_WM_WINDOW_TYPE_SPLASH", F(atom.net_wm_window_type_splash) }, { "_NET_WM_WINDOW_TYPE_DIALOG", F(atom.net_wm_window_type_dialog) }, { "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU", F(atom.net_wm_window_type_dropdown) }, { "_NET_WM_WINDOW_TYPE_POPUP_MENU", F(atom.net_wm_window_type_popup) }, { "_NET_WM_WINDOW_TYPE_TOOLTIP", F(atom.net_wm_window_type_tooltip) }, { "_NET_WM_WINDOW_TYPE_NOTIFICATION", F(atom.net_wm_window_type_notification) }, { "_NET_WM_WINDOW_TYPE_COMBO", F(atom.net_wm_window_type_combo) }, { "_NET_WM_WINDOW_TYPE_DND", F(atom.net_wm_window_type_dnd) }, { "_NET_WM_WINDOW_TYPE_NORMAL", F(atom.net_wm_window_type_normal) }, { "_NET_WM_MOVERESIZE", F(atom.net_wm_moveresize) }, { "_NET_SUPPORTING_WM_CHECK", F(atom.net_supporting_wm_check) }, { "_NET_SUPPORTED", F(atom.net_supported) }, { "_MOTIF_WM_HINTS", F(atom.motif_wm_hints) }, { "CLIPBOARD", F(atom.clipboard) }, { "CLIPBOARD_MANAGER", F(atom.clipboard_manager) }, { "TARGETS", F(atom.targets) }, { "UTF8_STRING", F(atom.utf8_string) }, { "_WL_SELECTION", F(atom.wl_selection) }, { "INCR", F(atom.incr) }, { "TIMESTAMP", F(atom.timestamp) }, { "MULTIPLE", F(atom.multiple) }, { "UTF8_STRING" , F(atom.utf8_string) }, { "COMPOUND_TEXT", F(atom.compound_text) }, { "TEXT", F(atom.text) }, { "STRING", F(atom.string) }, { "text/plain;charset=utf-8", F(atom.text_plain_utf8) }, { "text/plain", F(atom.text_plain) }, { "XdndSelection", F(atom.xdnd_selection) }, { "XdndAware", F(atom.xdnd_aware) }, { "XdndEnter", F(atom.xdnd_enter) }, { "XdndLeave", F(atom.xdnd_leave) }, { "XdndDrop", F(atom.xdnd_drop) }, { "XdndStatus", F(atom.xdnd_status) }, { "XdndFinished", F(atom.xdnd_finished) }, { "XdndTypeList", F(atom.xdnd_type_list) }, { "XdndActionCopy", F(atom.xdnd_action_copy) } }; #undef F xcb_xfixes_query_version_cookie_t xfixes_cookie; xcb_xfixes_query_version_reply_t *xfixes_reply; xcb_intern_atom_cookie_t cookies[ARRAY_LENGTH(atoms)]; xcb_intern_atom_reply_t *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); for (i = 0; i < ARRAY_LENGTH(atoms); i++) cookies[i] = xcb_intern_atom (wm->conn, 0, strlen(atoms[i].name), atoms[i].name); for (i = 0; i < ARRAY_LENGTH(atoms); i++) { reply = xcb_intern_atom_reply (wm->conn, cookies[i], NULL); *(xcb_atom_t *) ((char *) wm + atoms[i].offset) = reply->atom; free(reply); } 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 suport * 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) { struct weston_wm *wm; struct wl_event_loop *loop; xcb_screen_iterator_t s; uint32_t values[1]; int sv[2]; xcb_atom_t supported[3]; 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; } if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sv) < 0) { weston_log("socketpair failed\n"); hash_table_destroy(wm->window_hash); free(wm); return NULL; } xserver_send_client(wxs->resource, sv[1]); wl_client_flush(wl_resource_get_client(wxs->resource)); close(sv[1]); /* xcb_connect_to_fd takes ownership of the fd. */ wm->conn = xcb_connect_to_fd(sv[0], NULL); if (xcb_connection_has_error(wm->conn)) { weston_log("xcb_connect_to_fd failed\n"); close(sv[0]); 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, sv[0], 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(); weston_wm_create_wm_window(wm); supported[0] = wm->atom.net_wm_moveresize; supported[1] = wm->atom.net_wm_state; supported[2] = wm->atom.net_wm_state_fullscreen; 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_selection_init(wm); weston_wm_dnd_init(wm); xcb_flush(wm->conn); wm->activate_listener.notify = weston_wm_window_activate; wl_signal_add(&wxs->compositor->activate_signal, &wm->activate_listener); wm->transform_listener.notify = weston_wm_window_transform; wl_signal_add(&wxs->compositor->transform_signal, &wm->transform_listener); wm->kill_listener.notify = weston_wm_kill_client; wl_signal_add(&wxs->compositor->kill_signal, &wm->kill_listener); weston_wm_create_cursors(wm); weston_wm_window_set_cursor(wm, wm->screen->root, XWM_CURSOR_LEFT_PTR); weston_log("created wm\n"); 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); 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->transform_listener.link); free(wm); } 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_log("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; window->view = NULL; } 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 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, width, height; weston_wm_window_get_child_position(window, &x, &y); values[0] = x; values[1] = y; values[2] = window->width; values[3] = window->height; xcb_configure_window(wm->conn, window->id, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, values); weston_wm_window_get_frame_size(window, &width, &height); values[0] = width; values[1] = height; xcb_configure_window(wm->conn, window->frame_id, XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, values); window->configure_source = NULL; weston_wm_window_schedule_repaint(window); } static void send_configure(struct weston_surface *surface, uint32_t edges, int32_t width, int32_t height) { struct weston_wm_window *window = get_wm_window(surface); struct weston_wm *wm = window->wm; struct theme *t = window->wm->theme; int vborder, hborder; if (window->fullscreen) { hborder = 0; vborder = 0; } else if (window->decorate) { hborder = 2 * (t->margin + t->width); vborder = 2 * t->margin + t->titlebar_height + t->width; } else { hborder = 2 * t->margin; vborder = 2 * t->margin; } if (width > hborder) window->width = width - hborder; else window->width = 1; if (height > vborder) window->height = height - vborder; else window->height = 1; if (window->frame) 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 const struct weston_shell_client shell_client = { send_configure }; 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 void xserver_map_shell_surface(struct weston_wm *wm, struct weston_wm_window *window) { struct weston_shell_interface *shell_interface = &wm->server->compositor->shell_interface; struct weston_output *output; struct weston_wm_window *parent; if (!shell_interface->create_shell_surface) return; if (!shell_interface->get_primary_view) return; window->shsurf = shell_interface->create_shell_surface(shell_interface->shell, window->surface, &shell_client); window->view = shell_interface->get_primary_view(shell_interface->shell, window->shsurf); if (window->name) shell_interface->set_title(window->shsurf, window->name); if (window->fullscreen) { window->saved_width = window->width; window->saved_height = window->height; shell_interface->set_fullscreen(window->shsurf, WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT, 0, NULL); return; } else if (legacy_fullscreen(wm, window, &output)) { window->fullscreen = 1; shell_interface->set_fullscreen(window->shsurf, WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT, 0, output); } else if (window->override_redirect) { shell_interface->set_xwayland(window->shsurf, window->x, window->y, WL_SHELL_SURFACE_TRANSIENT_INACTIVE); } else if (window->transient_for) { parent = window->transient_for; shell_interface->set_transient(window->shsurf, parent->surface, parent->x - window->x, parent->y - window->y, 0); } else { shell_interface->set_toplevel(window->shsurf); } } static void xserver_set_window_id(struct wl_client *client, struct wl_resource *resource, struct wl_resource *surface_resource, uint32_t id) { struct weston_xserver *wxs = wl_resource_get_user_data(resource); struct weston_wm *wm = wxs->wm; struct weston_surface *surface = wl_resource_get_user_data(surface_resource); struct weston_wm_window *window; if (client != wxs->client) return; window = hash_table_lookup(wm->window_hash, id); if (window == NULL) { weston_log("set_window_id for unknown window %d\n", id); return; } wm_log("set_window_id %d for surface %p\n", id, surface); 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 = (struct weston_surface *) surface; window->surface_destroy_listener.notify = surface_destroy; wl_signal_add(&surface->destroy_signal, &window->surface_destroy_listener); weston_wm_window_schedule_repaint(window); xserver_map_shell_surface(wm, window); } const struct xserver_interface xserver_implementation = { xserver_set_window_id };