/* * 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. */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include "xwayland.h" #include "../../shared/cairo-util.h" #include "../compositor.h" #include "xserver-server-protocol.h" #include "hash.h" 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; cairo_surface_t *cairo_surface; struct weston_surface *surface; struct shell_surface *shsurf; struct wl_listener surface_destroy_listener; struct wl_event_source *repaint_source; struct wl_event_source *configure_source; int properties_dirty; char *class; char *name; struct weston_wm_window *transient_for; uint32_t protocols; xcb_atom_t type; int width, height; int x, y; int decorate; }; static struct weston_wm_window * get_wm_window(struct weston_surface *surface); static void weston_wm_window_schedule_repaint(struct weston_wm_window *window); 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); snprintf(buffer, sizeof buffer, "%.*s", xcb_get_atom_name_name_length (reply), xcb_get_atom_name_name (reply)); free(reply); return buffer; } 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 = fprintf(stderr, "%s: ", get_atom_name(wm->conn, property)); if (reply == NULL) { fprintf(stderr, "(no reply)\n"); return; } width += fprintf(stderr, "%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(stderr, "%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(stderr, "\"%.*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(stderr, "\n "); width = 4; } else if (i > 0) { width += fprintf(stderr, ", "); } width += fprintf(stderr, "%s", name); } fprintf(stderr, "\n"); } else { fprintf(stderr, "huh?\n"); } } 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 static void weston_wm_window_read_properties(struct weston_wm_window *window) { struct weston_wm *wm = window->wm; #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.net_wm_window_type, XCB_ATOM_ATOM, F(type) }, { wm->atom.net_wm_name, XCB_ATOM_STRING, F(name) }, { wm->atom.motif_wm_hints, TYPE_MOTIF_WM_HINTS, 0 }, }; #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; struct motif_wm_hints *hints; 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 = 1; 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_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_ATOM: atom = xcb_get_property_value(reply); *(xcb_atom_t *) p = *atom; break; case TYPE_WM_PROTOCOLS: break; case TYPE_MOTIF_WM_HINTS: hints = xcb_get_property_value(reply); if (hints->flags & MWM_HINTS_DECORATIONS) window->decorate = hints->decorations > 0; break; default: break; } free(reply); } } 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->decorate) { *width = window->width + (t->margin + t->width) * 2; *height = window->height + t->margin * 2 + t->width + t->titlebar_height; } 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->decorate) { *x = t->margin + t->width; *y = t->margin + t->titlebar_height; } else { *x = t->margin; *y = t->margin; } } 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; fprintf(stderr, "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 (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; 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 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; window = hash_table_lookup(wm->window_hash, configure_notify->window); fprintf(stderr, "XCB_CONFIGURE_NOTIFY (%s window %d) %d,%d @ %dx%d\n", configure_notify->window == window->id ? "client" : "frame", configure_notify->window, configure_notify->x, configure_notify->y, configure_notify->width, configure_notify->height); } static void weston_wm_window_activate(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, activate_listener); xcb_client_message_event_t client_message; 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) weston_wm_window_schedule_repaint(wm->focus_window); wm->focus_window = window; if (wm->focus_window) weston_wm_window_schedule_repaint(wm->focus_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; } #define ICCCM_WITHDRAWN_STATE 0 #define ICCCM_NORMAL_STATE 1 #define ICCCM_ICONIC_STATE 3 static void weston_wm_window_set_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_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; uint32_t values[1]; int x, y, width, height; if (our_resource(wm, map_request->window)) { fprintf(stderr, "XCB_MAP_REQUEST (window %d, ours)\n", map_request->window); return; } window = hash_table_lookup(wm->window_hash, map_request->window); if (window->frame_id) return; weston_wm_window_read_properties(window); weston_wm_window_get_frame_size(window, &width, &height); weston_wm_window_get_child_position(window, &x, &y); values[0] = XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE | XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT; window->frame_id = xcb_generate_id(wm->conn); xcb_create_window(wm->conn, XCB_COPY_FROM_PARENT, window->frame_id, wm->screen->root, 0, 0, width, height, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, wm->screen->root_visual, XCB_CW_EVENT_MASK, 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); fprintf(stderr, "XCB_MAP_REQUEST (window %d, %p, frame %d)\n", window->id, window, window->frame_id); xcb_map_window(wm->conn, map_request->window); xcb_map_window(wm->conn, window->frame_id); weston_wm_window_set_state(window, ICCCM_NORMAL_STATE); window->cairo_surface = cairo_xcb_surface_create_with_xrender_format(wm->conn, wm->screen, window->frame_id, &wm->render_format, width, height); hash_table_insert(wm->window_hash, window->frame_id, 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)) { fprintf(stderr, "XCB_MAP_NOTIFY (window %d, ours)\n", map_notify->window); return; } fprintf(stderr, "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; fprintf(stderr, "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 & 0x80) /* 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 (window->repaint_source) wl_event_source_remove(window->repaint_source); if (window->cairo_surface) cairo_surface_destroy(window->cairo_surface); xcb_reparent_window(wm->conn, window->id, wm->wm_window, 0, 0); xcb_destroy_window(wm->conn, window->frame_id); weston_wm_window_set_state(window, ICCCM_WITHDRAWN_STATE); window->frame_id = XCB_WINDOW_NONE; if (wm->focus_window == window) wm->focus_window = NULL; hash_table_remove(wm->window_hash, window->frame_id); if (window->surface) wl_list_remove(&window->surface_destroy_listener.link); window->surface = NULL; } 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; const char *title; 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->decorate) { if (wm->focus_window == window) flags |= THEME_FRAME_ACTIVE; if (window->name) title = window->name; else title = "untitled"; theme_render_frame(t, cr, width, height, title, flags); } 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) { /* We leave an extra pixel around the X window area to * make sure we don't sample from the undefined alpha * channel when filtering. */ window->surface->opaque_rect[0] = (double) (x - 1) / width; window->surface->opaque_rect[1] = (double) (x + window->width + 1) / width; window->surface->opaque_rect[2] = (double) (y - 1) / height; window->surface->opaque_rect[3] = (double) (y + window->height + 1) / height; pixman_region32_init_rect(&window->surface->input, t->margin, t->margin, width - 2 * t->margin, height - 2 * t->margin); } } 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 || 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) window->properties_dirty = 1; fprintf(stderr, "XCB_PROPERTY_NOTIFY: window %d, ", property_notify->window); if (property_notify->state == XCB_PROPERTY_DELETE) fprintf(stderr, "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) { struct weston_wm_window *window; uint32_t values[1]; window = malloc(sizeof *window); if (window == NULL) { fprintf(stderr, "failed to allocate window\n"); return; } values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE; xcb_change_window_attributes(wm->conn, id, XCB_CW_EVENT_MASK, values); memset(window, 0, sizeof *window); window->wm = wm; window->id = id; window->properties_dirty = 1; window->width = width; window->height = height; hash_table_insert(wm->window_hash, id, window); } static void weston_wm_window_destroy(struct weston_wm_window *window) { 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; fprintf(stderr, "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); } 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; fprintf(stderr, "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; fprintf(stderr, "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); } else if (!our_resource(wm, reparent_notify->parent)) { window = hash_table_lookup(wm->window_hash, reparent_notify->window); weston_wm_window_destroy(window); } } 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 = wm->server->compositor->seat; int detail; struct weston_shell_interface *shell_interface = &wm->server->compositor->shell_interface; if (seat->seat.pointer->button_count != 1 || seat->seat.pointer->focus != &window->surface->surface) 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; } } 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); fprintf(stderr, "XCB_CLIENT_MESSAGE (%s %d %d %d %d %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]); if (client_message->type == wm->atom.net_wm_moveresize) weston_wm_window_handle_moveresize(window, client_message); } 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_wm_window *window; enum theme_location location; struct theme *t = wm->theme; int width, height; fprintf(stderr, "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); weston_wm_window_get_frame_size(window, &width, &height); if (button->response_type == XCB_BUTTON_PRESS && button->detail == 1) { location = theme_get_location(t, button->event_x, button->event_y, width, height); switch (location) { case THEME_LOCATION_TITLEBAR: shell_interface->move(window->shsurf, wm->server->compositor->seat); break; case THEME_LOCATION_RESIZING_TOP: case THEME_LOCATION_RESIZING_BOTTOM: case THEME_LOCATION_RESIZING_LEFT: case THEME_LOCATION_RESIZING_RIGHT: case THEME_LOCATION_RESIZING_TOP_LEFT: case THEME_LOCATION_RESIZING_TOP_RIGHT: case THEME_LOCATION_RESIZING_BOTTOM_LEFT: case THEME_LOCATION_RESIZING_BOTTOM_RIGHT: shell_interface->resize(window->shsurf, wm->server->compositor->seat, location); break; default: break; } } } 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; } switch (event->response_type & ~0x80) { case XCB_BUTTON_PRESS: case XCB_BUTTON_RELEASE: weston_wm_handle_button(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: fprintf(stderr, "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 wxs_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_TAKE_FOCUS", F(atom.wm_take_focus) }, { "WM_DELETE_WINDOW", F(atom.wm_delete_window) }, { "WM_STATE", F(atom.wm_state) }, { "_NET_WM_NAME", F(atom.net_wm_name) }, { "_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", F(atom.net_wm_window_type_dropdown) }, { "_NET_WM_WINDOW_TYPE_POPUP", 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) }, { "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) }, }; #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); 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) fprintf(stderr, "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); printf("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->length; i++) if (formats[i].type == XCB_RENDER_PICT_TYPE_DIRECT && formats[i].depth == 24) wm->render_format = 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); } struct weston_wm * weston_wm_create(struct weston_xserver *wxs) { struct wl_seat *seat; struct weston_wm *wm; struct wl_event_loop *loop; xcb_screen_iterator_t s; uint32_t values[1], mask; int sv[2]; xcb_atom_t supported[1]; wm = malloc(sizeof *wm); if (wm == NULL) return NULL; memset(wm, 0, sizeof *wm); 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) { fprintf(stderr, "socketpair failed\n"); hash_table_destroy(wm->window_hash); free(wm); return NULL; } xserver_send_client(wxs->resource, sv[1]); wl_client_flush(wxs->resource->client); 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)) { fprintf(stderr, "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); wxs_wm_get_resources(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); wm->theme = theme_create(); weston_wm_create_wm_window(wm); supported[0] = wm->atom.net_wm_moveresize; 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); wm->selection_request.requestor = XCB_NONE; wm->selection_window = xcb_generate_id(wm->conn); xcb_create_window(wm->conn, XCB_COPY_FROM_PARENT, wm->selection_window, wm->screen->root, 0, 0, 10, 10, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, wm->screen->root_visual, XCB_CW_EVENT_MASK, values); mask = XCB_XFIXES_SELECTION_EVENT_MASK_SET_SELECTION_OWNER | XCB_XFIXES_SELECTION_EVENT_MASK_SELECTION_WINDOW_DESTROY | XCB_XFIXES_SELECTION_EVENT_MASK_SELECTION_CLIENT_CLOSE; xcb_xfixes_select_selection_input(wm->conn, wm->selection_window, wm->atom.clipboard, mask); xcb_flush(wm->conn); seat = &wxs->compositor->seat->seat; wm->selection_listener.notify = weston_wm_set_selection; wl_signal_add(&seat->selection_signal, &wm->selection_listener); wm->activate_listener.notify = weston_wm_window_activate; wl_signal_add(&wxs->compositor->activate_signal, &wm->activate_listener); fprintf(stderr, "created wm\n"); return wm; } void weston_wm_destroy(struct weston_wm *wm) { /* FIXME: Free windows in hash. */ hash_table_destroy(wm->window_hash); xcb_disconnect(wm->conn); wl_event_source_remove(wm->source); wl_list_remove(&wm->selection_listener.link); wl_list_remove(&wm->activate_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); fprintf(stderr, "surface for xid %d destroyed\n", window->id); } static struct weston_wm_window * get_wm_window(struct weston_surface *surface) { struct wl_resource *resource = &surface->surface.resource; struct wl_listener *listener; listener = wl_signal_get(&resource->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[2]; int width, height; values[0] = window->width; values[1] = window->height; xcb_configure_window(wm->conn, window->id, 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; if (window->decorate) { window->width = width - 2 * (t->margin + t->width); window->height = height - 2 * t->margin - t->titlebar_height - t->width; } else { window->width = width - 2 * t->margin; window->height = height - 2 * t->margin; } 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 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_wm_window *parent; struct theme *t = window->wm->theme; if (!shell_interface->create_shell_surface) return; window->shsurf = shell_interface->create_shell_surface(shell_interface->shell, window->surface, &shell_client); if (!window->transient_for) { shell_interface->set_toplevel(window->shsurf); return; } parent = hash_table_lookup(wm->window_hash, window->transient_for->id); shell_interface->set_transient(window->shsurf, parent->shsurf, window->x - parent->x + t->margin + t->width, window->y - parent->y + t->margin + t->titlebar_height, WL_SHELL_SURFACE_TRANSIENT_INACTIVE); } 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 = resource->data; struct weston_wm *wm = wxs->wm; struct wl_surface *surface = surface_resource->data; struct weston_wm_window *window; if (client != wxs->client) return; window = hash_table_lookup(wm->window_hash, id); if (window == NULL) { fprintf(stderr, "set_window_id for unknown window %d\n", id); return; } fprintf(stderr, "set_window_id %d for surface %p\n", id, surface); weston_wm_window_read_properties(window); window->surface = (struct weston_surface *) surface; window->surface_destroy_listener.notify = surface_destroy; wl_signal_add(&surface->resource.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 };