//_____________________________________________ void SizeGrip::embed( void ) { #if OXYGEN_HAVE_X11 if( !QX11Info::isPlatformX11() ) return; auto c = m_decoration.data()->client().data(); xcb_window_t windowId = c->windowId(); if( windowId ) { /* find client's parent we want the size grip to be at the same level as the client in the stack */ xcb_window_t current = windowId; auto connection = QX11Info::connection(); xcb_query_tree_cookie_t cookie = xcb_query_tree_unchecked( connection, current ); ScopedPointer<xcb_query_tree_reply_t> tree(xcb_query_tree_reply( connection, cookie, nullptr ) ); if( !tree.isNull() && tree->parent ) current = tree->parent; // reparent xcb_reparent_window( connection, winId(), current, 0, 0 ); setWindowTitle( "Oxygen::SizeGrip" ); } else { hide(); } #endif }
void scan_windows(void) { const int screens_len = xcb_setup_roots_length(xcb_get_setup(wm_conf.connection)); int screen_idx; xcb_window_t root_wins[screens_len]; xcb_query_tree_cookie_t root_tree_cookies[screens_len]; /* request window trees for the root window of each screen */ for (screen_idx = 0; screen_idx < screens_len; ++screen_idx) { xcb_screen_t *screen = xcb_aux_get_screen(wm_conf.connection, screen_idx); root_wins[screen_idx] = screen->root; root_tree_cookies[screen_idx] = xcb_query_tree_unchecked(wm_conf.connection, root_wins[screen_idx]); } xcb_query_tree_reply_t *root_tree_replies[screens_len]; xcb_window_t *wins; int wins_len; /* collect replies */ for (screen_idx = 0; screen_idx < screens_len; ++screen_idx) { root_tree_replies[screen_idx] = xcb_query_tree_reply(wm_conf.connection, root_tree_cookies[screen_idx], NULL); wins = xcb_query_tree_children(root_tree_replies[screen_idx]); if (!wins) fprintf(stderr, "failed to get child tree for window %u\n", root_wins[screen_idx]); wins_len = xcb_query_tree_children_length(root_tree_replies[screen_idx]); fprintf(stderr, "root window %u has %d children\n", root_wins[screen_idx], wins_len); fprintf(stderr, "examining children\n"); xcb_window_t child_win; int i; for (i = 0; i < wins_len; ++i) { child_win = wins[i]; fprintf(stderr, " child window %u\n", child_win); client_t *client = find_client(child_win); if (!client) { client = client_init(client_alloc()); client->window = child_win; sglib_client_t_add(&client_list, client); } read_client_geometry(client); } } for (screen_idx = 0; screen_idx < screens_len; ++screen_idx) free(root_tree_replies[screen_idx]); }
/** Redirect all the windows to the off-screen buffer starting from * the root window and change root window attributes to make the * server reporting meaningful events */ void display_init_redirect(void) { /* Manage all children windows from the root window */ _query_tree_cookie = xcb_query_tree_unchecked(globalconf.connection, globalconf.screen->root); xcb_composite_redirect_subwindows(globalconf.connection, globalconf.screen->root, XCB_COMPOSITE_REDIRECT_MANUAL); /* Declare interest in meaningful events */ const uint32_t select_input_val = XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE | XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE; xcb_change_window_attributes(globalconf.connection, globalconf.screen->root, XCB_CW_EVENT_MASK, &select_input_val); }
/* FIXME: round trips */ static Shadow * _ecore_x_window_tree_walk(Ecore_X_Window window) { Shadow *s, **sl; xcb_get_window_attributes_reply_t *reply_attr; xcb_get_geometry_reply_t *reply_geom; xcb_query_tree_reply_t *reply_tree; xcb_get_window_attributes_cookie_t cookie_attr; xcb_get_geometry_cookie_t cookie_geom; xcb_query_tree_cookie_t cookie_tree; int i, j; CHECK_XCB_CONN; cookie_attr = xcb_get_window_attributes_unchecked(_ecore_xcb_conn, window); reply_attr = xcb_get_window_attributes_reply(_ecore_xcb_conn, cookie_attr, NULL); if (!reply_attr) return NULL; if (reply_attr->map_state != XCB_MAP_STATE_VIEWABLE) { free(reply_attr); return NULL; } free(reply_attr); cookie_geom = xcb_get_geometry_unchecked(_ecore_xcb_conn, window); reply_geom = xcb_get_geometry_reply(_ecore_xcb_conn, cookie_geom, NULL); if (!reply_geom) return NULL; if (!(s = calloc(1, sizeof(Shadow)))) { free(reply_geom); return NULL; } s->win = window; s->x = reply_geom->x; s->y = reply_geom->y; s->w = reply_geom->width; s->h = reply_geom->height; free(reply_geom); cookie_tree = xcb_query_tree_unchecked(_ecore_xcb_conn, window); reply_tree = xcb_query_tree_reply(_ecore_xcb_conn, cookie_tree, NULL); if (reply_tree) { xcb_window_t *list; int num; num = xcb_query_tree_children_length(reply_tree); list = xcb_query_tree_children(reply_tree); s->children = calloc(1, sizeof(Shadow *) * num); if (s->children) { s->children_num = num; for (i = 0; i < num; i++) { s->children[i] = _ecore_x_window_tree_walk(list[i]); if (s->children[i]) s->children[i]->parent = s; } /* compress list down */ j = 0; for (i = 0; i < num; i++) { if (s->children[i]) { s->children[j] = s->children[i]; j++; } } if (j == 0) { free(s->children); s->children = NULL; s->children_num = 0; } else { s->children_num = j; sl = realloc(s->children, sizeof(Shadow *) * j); if (sl) s->children = sl; } } free(reply_tree); } return s; }
/** Hello, this is main. * \param argc Who knows. * \param argv Who knows. * \return EXIT_SUCCESS I hope. */ int main(int argc, char **argv) { char *confpath = NULL; int xfd, i, screen_nbr, opt, colors_nbr; xcolor_init_request_t colors_reqs[2]; ssize_t cmdlen = 1; xdgHandle xdg; xcb_generic_event_t *event; static struct option long_options[] = { { "help", 0, NULL, 'h' }, { "version", 0, NULL, 'v' }, { "config", 1, NULL, 'c' }, { "check", 0, NULL, 'k' }, { NULL, 0, NULL, 0 } }; /* event loop watchers */ ev_io xio = { .fd = -1 }; ev_check xcheck; ev_prepare a_refresh; ev_signal sigint; ev_signal sigterm; ev_signal sighup; /* clear the globalconf structure */ p_clear(&globalconf, 1); globalconf.keygrabber = LUA_REFNIL; globalconf.mousegrabber = LUA_REFNIL; buffer_init(&globalconf.startup_errors); /* save argv */ for(i = 0; i < argc; i++) cmdlen += a_strlen(argv[i]) + 1; globalconf.argv = p_new(char, cmdlen); a_strcpy(globalconf.argv, cmdlen, argv[0]); for(i = 1; i < argc; i++) { a_strcat(globalconf.argv, cmdlen, " "); a_strcat(globalconf.argv, cmdlen, argv[i]); } /* Text won't be printed correctly otherwise */ setlocale(LC_CTYPE, ""); /* Get XDG basedir data */ xdgInitHandle(&xdg); /* init lua */ luaA_init(&xdg); /* check args */ while((opt = getopt_long(argc, argv, "vhkc:", long_options, NULL)) != -1) switch(opt) { case 'v': eprint_version(); break; case 'h': exit_help(EXIT_SUCCESS); break; case 'k': if(!luaA_parserc(&xdg, confpath, false)) { fprintf(stderr, "✘ Configuration file syntax error.\n"); return EXIT_FAILURE; } else { fprintf(stderr, "✔ Configuration file syntax OK.\n"); return EXIT_SUCCESS; } case 'c': if(a_strlen(optarg)) confpath = a_strdup(optarg); else fatal("-c option requires a file name"); break; } globalconf.loop = ev_default_loop(0); ev_timer_init(&globalconf.timer, &luaA_on_timer, 0., 0.); /* register function for signals */ ev_signal_init(&sigint, exit_on_signal, SIGINT); ev_signal_init(&sigterm, exit_on_signal, SIGTERM); ev_signal_init(&sighup, restart_on_signal, SIGHUP); ev_signal_start(globalconf.loop, &sigint); ev_signal_start(globalconf.loop, &sigterm); ev_signal_start(globalconf.loop, &sighup); ev_unref(globalconf.loop); ev_unref(globalconf.loop); ev_unref(globalconf.loop); struct sigaction sa = { .sa_handler = signal_fatal, .sa_flags = 0 }; sigemptyset(&sa.sa_mask); sigaction(SIGSEGV, &sa, 0); /* XLib sucks */ XkbIgnoreExtension(True); /* X stuff */ globalconf.display = XOpenDisplay(NULL); if (globalconf.display == NULL) fatal("cannot open display"); globalconf.default_screen = XDefaultScreen(globalconf.display); globalconf.connection = XGetXCBConnection(globalconf.display); /* Double checking then everything is OK. */ if(xcb_connection_has_error(globalconf.connection)) fatal("cannot open display"); /* Prefetch all the extensions we might need */ xcb_prefetch_extension_data(globalconf.connection, &xcb_big_requests_id); xcb_prefetch_extension_data(globalconf.connection, &xcb_test_id); xcb_prefetch_extension_data(globalconf.connection, &xcb_randr_id); xcb_prefetch_extension_data(globalconf.connection, &xcb_shape_id); /* initialize dbus */ a_dbus_init(); /* Get the file descriptor corresponding to the X connection */ xfd = xcb_get_file_descriptor(globalconf.connection); ev_io_init(&xio, &a_xcb_io_cb, xfd, EV_READ); ev_io_start(globalconf.loop, &xio); ev_check_init(&xcheck, &a_xcb_check_cb); ev_check_start(globalconf.loop, &xcheck); ev_unref(globalconf.loop); ev_prepare_init(&a_refresh, &a_refresh_cb); ev_prepare_start(globalconf.loop, &a_refresh); ev_unref(globalconf.loop); /* Grab server */ xcb_grab_server(globalconf.connection); /* Make sure there are no pending events. Since we didn't really do anything * at all yet, we will just discard all events which we received so far. * The above GrabServer should make sure no new events are generated. */ xcb_aux_sync(globalconf.connection); while ((event = xcb_poll_for_event(globalconf.connection)) != NULL) { /* Make sure errors are printed */ uint8_t response_type = XCB_EVENT_RESPONSE_TYPE(event); if(response_type == 0) event_handle(event); p_delete(&event); } for(screen_nbr = 0; screen_nbr < xcb_setup_roots_length(xcb_get_setup(globalconf.connection)); screen_nbr++) { const uint32_t select_input_val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT; /* This causes an error if some other window manager is running */ xcb_change_window_attributes(globalconf.connection, xutil_screen_get(globalconf.connection, screen_nbr)->root, XCB_CW_EVENT_MASK, &select_input_val); } /* Need to xcb_flush to validate error handler */ xcb_aux_sync(globalconf.connection); /* Process all errors in the queue if any. There can be no events yet, so if * this function returns something, it must be an error. */ if (xcb_poll_for_event(globalconf.connection) != NULL) fatal("another window manager is already running"); /* Prefetch the maximum request length */ xcb_prefetch_maximum_request_length(globalconf.connection); /* check for xtest extension */ const xcb_query_extension_reply_t *xtest_query; xtest_query = xcb_get_extension_data(globalconf.connection, &xcb_test_id); globalconf.have_xtest = xtest_query->present; /* Allocate the key symbols */ globalconf.keysyms = xcb_key_symbols_alloc(globalconf.connection); xcb_get_modifier_mapping_cookie_t xmapping_cookie = xcb_get_modifier_mapping_unchecked(globalconf.connection); /* init atom cache */ atoms_init(globalconf.connection); /* init screens information */ screen_scan(); /* init default font and colors */ colors_reqs[0] = xcolor_init_unchecked(&globalconf.colors.fg, "black", sizeof("black") - 1); colors_reqs[1] = xcolor_init_unchecked(&globalconf.colors.bg, "white", sizeof("white") - 1); globalconf.font = draw_font_new("sans 8"); for(colors_nbr = 0; colors_nbr < 2; colors_nbr++) xcolor_init_reply(colors_reqs[colors_nbr]); xutil_lock_mask_get(globalconf.connection, xmapping_cookie, globalconf.keysyms, &globalconf.numlockmask, &globalconf.shiftlockmask, &globalconf.capslockmask, &globalconf.modeswitchmask); /* Get the window tree associated to this screen */ const int screen_max = xcb_setup_roots_length(xcb_get_setup(globalconf.connection)); xcb_query_tree_cookie_t tree_c[screen_max]; /* do this only for real screen */ for(screen_nbr = 0; screen_nbr < screen_max; screen_nbr++) { /* select for events */ const uint32_t change_win_vals[] = { XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_FOCUS_CHANGE }; tree_c[screen_nbr] = xcb_query_tree_unchecked(globalconf.connection, xutil_screen_get(globalconf.connection, screen_nbr)->root); xcb_change_window_attributes(globalconf.connection, xutil_screen_get(globalconf.connection, screen_nbr)->root, XCB_CW_EVENT_MASK, change_win_vals); ewmh_init(screen_nbr); systray_init(screen_nbr); } /* init spawn (sn) */ spawn_init(); /* we will receive events, stop grabbing server */ xcb_ungrab_server(globalconf.connection); /* Parse and run configuration file */ if (!luaA_parserc(&xdg, confpath, true)) fatal("couldn't find any rc file"); scan(tree_c); xcb_flush(globalconf.connection); /* main event loop */ ev_loop(globalconf.loop, 0); /* cleanup event loop */ ev_ref(globalconf.loop); ev_check_stop(globalconf.loop, &xcheck); ev_ref(globalconf.loop); ev_prepare_stop(globalconf.loop, &a_refresh); ev_ref(globalconf.loop); ev_io_stop(globalconf.loop, &xio); awesome_atexit(false); return EXIT_SUCCESS; }
int main(int argc,char**argv){ xcb_connection_t*d=xcb_connect(0,0); int32_t*x,*y,*tx=0,mx,my,rt=xcb_setup_roots_iterator(xcb_get_setup(d)).data->root,cs[255],*cz=cs+1; uint8_t mz,mZ; xcb_change_window_attributes(d,rt,XCB_CW_EVENT_MASK,&cwa); xcb_grab_key(d,1,rt,0,64,XCB_GRAB_MODE_ASYNC,XCB_GRAB_MODE_ASYNC); xcb_grab_key(d,1,rt,8,XCB_GRAB_ANY,XCB_GRAB_MODE_ASYNC,XCB_GRAB_MODE_ASYNC); xcb_grab_button(d,1,rt,XCB_EVENT_MASK_BUTTON_PRESS,XCB_GRAB_MODE_ASYNC,XCB_GRAB_MODE_ASYNC,XCB_NONE,XCB_NONE,XCB_GRAB_ANY,8); #ifdef COMPOSITE xcb_composite_redirect_subwindows(d,rt,XCB_COMPOSITE_REDIRECT_AUTOMATIC); #endif xcb_generic_event_t*e=0; main:xcb_flush(d); waitpid(-1,0,WNOHANG); noflush:x=y=cz-1; again:free(e); switch((e=xcb_wait_for_event(d))->response_type&127){ case XCB_BUTTON_PRESS: for(;x>cs;x--) if(*x==((xcb_button_press_event_t*)e)->child){ if(((xcb_key_press_event_t*)e)->detail==2)goto pocus; case XCB_KEY_PRESS: mz=128|((xcb_key_press_event_t*)e)->detail; my=((xcb_key_press_event_t*)e)->state; goto*(cz==cs+1?&&kcode:&&stack); } goto noflush; case XCB_KEY_RELEASE: if(((xcb_key_press_event_t*)e)->detail!=64||!tx)default:goto again; xt:x=tx; tx=0; goto stack; case XCB_CONFIGURE_REQUEST:{ void*p=buf; for(mz=0;mz<5;mz++) if(((xcb_configure_request_event_t*)e)->value_mask&1<<mz){*(uint32_t*)p=*(int16_t*)(((void*)e)+16+mz*2);p+=4;} if(((xcb_configure_request_event_t*)e)->value_mask&XCB_CONFIG_WINDOW_SIBLING){*(uint32_t*)p=((xcb_configure_request_event_t*)e)->sibling;p+=4;} if(mz=((xcb_configure_request_event_t*)e)->value_mask&XCB_CONFIG_WINDOW_STACK_MODE)*(uint32_t*)p=((xcb_configure_request_event_t*)e)->stack_mode; xcb_configure_window(d,((xcb_configure_request_event_t*)e)->window,((xcb_configure_request_event_t*)e)->value_mask,buf); if(mz){ p=xcb_query_tree_reply(d,xcb_query_tree_unchecked(d,rt),0); int32_t*cl=p+32+((xcb_query_tree_reply_t*)p)->children_len*4; for(y=p+32;y<cl;y++){ for(x=cs+1;x<cz;x++) if(*x==*y)goto nono; *y=0; nono:; } x=cs; for(y=p+32;y<cl;y++) if(*y)*++x=*y; free(p); goto pocus; }else goto main;} case XCB_MAP_REQUEST:{ void*p=xcb_get_window_attributes_reply(d,xcb_get_window_attributes_unchecked(d,((xcb_map_request_event_t*)e)->window),0); if(((xcb_get_window_attributes_reply_t*)p)->override_redirect){ free(p); goto pocus; } free(p); for(;x>cs;x--) if(*x==((xcb_map_request_event_t*)e)->window)goto noflush; xcb_map_window(d,*cz++=((xcb_map_request_event_t*)e)->window); goto hocus;} case XCB_MOTION_NOTIFY: *buf=mZ&&((xcb_motion_notify_event_t*)e)->root_x<=mx?:((xcb_motion_notify_event_t*)e)->root_x-mx; buf[1]=mZ&&((xcb_motion_notify_event_t*)e)->root_y<=my?:((xcb_motion_notify_event_t*)e)->root_y-my; xcb_configure_window(d,*x,mZ?XCB_CONFIG_WINDOW_WIDTH|XCB_CONFIG_WINDOW_HEIGHT:XCB_CONFIG_WINDOW_X|XCB_CONFIG_WINDOW_Y,buf); goto main; case XCB_BUTTON_RELEASE: xcb_ungrab_pointer(d,XCB_CURRENT_TIME); goto main; case XCB_UNMAP_NOTIFY:unmap:goto*(x==cs?&&noflush:*x==((xcb_unmap_notify_event_t*)e)->window&&--cz>cs+1?&&stack:(x--,&&unmap)); } stack:mx=*x; for(;x!=y;x+=x<y?:-1)*x=x[x<y?:-1]; *x=mx; hocus:x=cz-1; xcb_configure_window(d,*x,XCB_CONFIG_WINDOW_STACK_MODE,di); pocus:xcb_set_input_focus(d,XCB_INPUT_FOCUS_POINTER_ROOT,*x,XCB_CURRENT_TIME); if(!(mz&128))goto main; kcode:switch(mz&=127){ void*p; case 1:case 3: p=xcb_grab_pointer_reply(d,xcb_grab_pointer_unchecked(d,0,rt,XCB_EVENT_MASK_BUTTON_RELEASE|XCB_EVENT_MASK_POINTER_MOTION,XCB_GRAB_MODE_ASYNC,XCB_GRAB_MODE_ASYNC,XCB_NONE,XCB_NONE,XCB_CURRENT_TIME),0); if(((xcb_grab_pointer_reply_t*)p)->status!=XCB_GRAB_STATUS_SUCCESS){ free(p); goto noflush; } free(p); p=xcb_get_geometry_reply(d,xcb_get_geometry_unchecked(d,*y),0); mx=((xcb_get_geometry_reply_t*)p)->x; my=((xcb_get_geometry_reply_t*)p)->y; free(p); if(mZ=mz==1){ p=xcb_query_pointer_reply(d,xcb_query_pointer_unchecked(d,rt),0); mx=((xcb_query_pointer_reply_t*)p)->root_x-mx; my=((xcb_query_pointer_reply_t*)p)->root_y-my; free(p); } goto noflush; case 23:case 49: if(cz-cs<3)goto main; y=tx; tx=mz==23?(y!=cs+1?(y?:x)-1:x):!y||y==x?cs+1:y+1; if(y&&y<cz-1){ *buf=y[mz==23?:-1]; buf[1]=mz==23; xcb_configure_window(d,*y,XCB_CONFIG_WINDOW_SIBLING|XCB_CONFIG_WINDOW_STACK_MODE,buf); } xcb_configure_window(d,*tx,XCB_CONFIG_WINDOW_STACK_MODE,di); goto main; case 32:return 0; case 44: if(cz>cs+1)xcb_configure_window(d,*y,XCB_CONFIG_WINDOW_X|XCB_CONFIG_WINDOW_Y|XCB_CONFIG_WINDOW_WIDTH|XCB_CONFIG_WINDOW_HEIGHT,di); goto main; case 46: if(cz==cs+1)goto main; if(tx)goto*(mz|=128,&&xt); {xcb_intern_atom_cookie_t c1=xcb_intern_atom_unchecked(d,0,12,"WM_PROTOCOLS"),c2=xcb_intern_atom_unchecked(d,0,16,"WM_DELETE_WINDOW"); p=xcb_intern_atom_reply(d,c1,0); mx=((xcb_intern_atom_reply_t*)p)->atom; free(p); p=xcb_intern_atom_reply(d,c2,0);} my=((xcb_intern_atom_reply_t*)p)->atom; free(p); p=xcb_get_property_reply(d,xcb_get_property_unchecked(d,0,*y,mx,XCB_ATOM_ATOM,0,-1),0); xcb_send_event(d,0,*y,XCB_EVENT_MASK_NO_EVENT,(void*)(xcb_client_message_event_t[]){{.response_type=XCB_CLIENT_MESSAGE,.window=*y,.type=mx,.format=32,.data.data32={my,XCB_CURRENT_TIME}}});
/** Hello, this is main. * \param argc Who knows. * \param argv Who knows. * \return EXIT_SUCCESS I hope. */ int main(int argc, char **argv) { char *confpath = NULL; int xfd, i, opt; ssize_t cmdlen = 1; xdgHandle xdg; bool no_argb = false; xcb_generic_event_t *event; xcb_query_tree_cookie_t tree_c; static struct option long_options[] = { { "help", 0, NULL, 'h' }, { "version", 0, NULL, 'v' }, { "config", 1, NULL, 'c' }, { "check", 0, NULL, 'k' }, { "no-argb", 0, NULL, 'a' }, { NULL, 0, NULL, 0 } }; /* event loop watchers */ ev_io xio = { .fd = -1 }; ev_check xcheck; ev_prepare a_refresh; ev_signal sigint; ev_signal sigterm; ev_signal sighup; /* clear the globalconf structure */ p_clear(&globalconf, 1); globalconf.keygrabber = LUA_REFNIL; globalconf.mousegrabber = LUA_REFNIL; buffer_init(&globalconf.startup_errors); /* save argv */ for(i = 0; i < argc; i++) cmdlen += a_strlen(argv[i]) + 1; awesome_argv = p_new(char, cmdlen); a_strcpy(awesome_argv, cmdlen, argv[0]); for(i = 1; i < argc; i++) { a_strcat(awesome_argv, cmdlen, " "); a_strcat(awesome_argv, cmdlen, argv[i]); } /* Text won't be printed correctly otherwise */ setlocale(LC_CTYPE, ""); /* Get XDG basedir data */ xdgInitHandle(&xdg); /* init lua */ luaA_init(&xdg); /* check args */ while((opt = getopt_long(argc, argv, "vhkc:a", long_options, NULL)) != -1) switch(opt) { case 'v': eprint_version(); break; case 'h': exit_help(EXIT_SUCCESS); break; case 'k': if(!luaA_parserc(&xdg, confpath, false)) { fprintf(stderr, "✘ Configuration file syntax error.\n"); return EXIT_FAILURE; } else { fprintf(stderr, "✔ Configuration file syntax OK.\n"); return EXIT_SUCCESS; } case 'c': if(a_strlen(optarg)) confpath = a_strdup(optarg); else fatal("-c option requires a file name"); break; case 'a': no_argb = true; break; } globalconf.loop = ev_default_loop(EVFLAG_NOSIGFD); /* register function for signals */ ev_signal_init(&sigint, exit_on_signal, SIGINT); ev_signal_init(&sigterm, exit_on_signal, SIGTERM); ev_signal_init(&sighup, restart_on_signal, SIGHUP); ev_signal_start(globalconf.loop, &sigint); ev_signal_start(globalconf.loop, &sigterm); ev_signal_start(globalconf.loop, &sighup); ev_unref(globalconf.loop); ev_unref(globalconf.loop); ev_unref(globalconf.loop); struct sigaction sa = { .sa_handler = signal_fatal, .sa_flags = 0 }; sigemptyset(&sa.sa_mask); sigaction(SIGSEGV, &sa, 0); /* X stuff */ globalconf.connection = xcb_connect(NULL, &globalconf.default_screen); if(xcb_connection_has_error(globalconf.connection)) fatal("cannot open display"); globalconf.screen = xcb_aux_get_screen(globalconf.connection, globalconf.default_screen); /* FIXME The following two assignments were swapped on purpose */ if(!no_argb) globalconf.visual = a_default_visual(globalconf.screen); if(!globalconf.visual) globalconf.visual = a_argb_visual(globalconf.screen); globalconf.default_depth = a_visual_depth(globalconf.screen, globalconf.visual->visual_id); globalconf.default_cmap = globalconf.screen->default_colormap; if(globalconf.default_depth != globalconf.screen->root_depth) { // We need our own color map if we aren't using the default depth globalconf.default_cmap = xcb_generate_id(globalconf.connection); xcb_create_colormap(globalconf.connection, XCB_COLORMAP_ALLOC_NONE, globalconf.default_cmap, globalconf.screen->root, globalconf.visual->visual_id); } /* Prefetch all the extensions we might need */ xcb_prefetch_extension_data(globalconf.connection, &xcb_big_requests_id); xcb_prefetch_extension_data(globalconf.connection, &xcb_test_id); xcb_prefetch_extension_data(globalconf.connection, &xcb_randr_id); xcb_prefetch_extension_data(globalconf.connection, &xcb_xinerama_id); /* initialize dbus */ a_dbus_init(); /* Get the file descriptor corresponding to the X connection */ xfd = xcb_get_file_descriptor(globalconf.connection); ev_io_init(&xio, &a_xcb_io_cb, xfd, EV_READ); ev_io_start(globalconf.loop, &xio); ev_check_init(&xcheck, &a_xcb_check_cb); ev_check_start(globalconf.loop, &xcheck); ev_unref(globalconf.loop); ev_prepare_init(&a_refresh, &a_refresh_cb); ev_prepare_start(globalconf.loop, &a_refresh); ev_unref(globalconf.loop); /* Grab server */ xcb_grab_server(globalconf.connection); /* Make sure there are no pending events. Since we didn't really do anything * at all yet, we will just discard all events which we received so far. * The above GrabServer should make sure no new events are generated. */ xcb_aux_sync(globalconf.connection); while ((event = xcb_poll_for_event(globalconf.connection)) != NULL) { /* Make sure errors are printed */ uint8_t response_type = XCB_EVENT_RESPONSE_TYPE(event); if(response_type == 0) event_handle(event); p_delete(&event); } { const uint32_t select_input_val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT; /* This causes an error if some other window manager is running */ xcb_change_window_attributes(globalconf.connection, globalconf.screen->root, XCB_CW_EVENT_MASK, &select_input_val); } /* Need to xcb_flush to validate error handler */ xcb_aux_sync(globalconf.connection); /* Process all errors in the queue if any. There can be no events yet, so if * this function returns something, it must be an error. */ if (xcb_poll_for_event(globalconf.connection) != NULL) fatal("another window manager is already running"); /* Prefetch the maximum request length */ xcb_prefetch_maximum_request_length(globalconf.connection); /* check for xtest extension */ const xcb_query_extension_reply_t *xtest_query; xtest_query = xcb_get_extension_data(globalconf.connection, &xcb_test_id); globalconf.have_xtest = xtest_query->present; /* Allocate the key symbols */ globalconf.keysyms = xcb_key_symbols_alloc(globalconf.connection); xcb_get_modifier_mapping_cookie_t xmapping_cookie = xcb_get_modifier_mapping_unchecked(globalconf.connection); /* init atom cache */ atoms_init(globalconf.connection); /* init screens information */ screen_scan(); xutil_lock_mask_get(globalconf.connection, xmapping_cookie, globalconf.keysyms, &globalconf.numlockmask, &globalconf.shiftlockmask, &globalconf.capslockmask, &globalconf.modeswitchmask); /* do this only for real screen */ ewmh_init(); systray_init(); /* init spawn (sn) */ spawn_init(); /* The default GC is just a newly created associated with a window with * depth globalconf.default_depth */ xcb_window_t tmp_win = xcb_generate_id(globalconf.connection); globalconf.gc = xcb_generate_id(globalconf.connection); xcb_create_window(globalconf.connection, globalconf.default_depth, tmp_win, globalconf.screen->root, -1, -1, 1, 1, 0, XCB_COPY_FROM_PARENT, globalconf.visual->visual_id, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_COLORMAP, (const uint32_t []) { globalconf.screen->black_pixel, globalconf.screen->black_pixel, globalconf.default_cmap }); xcb_create_gc(globalconf.connection, globalconf.gc, tmp_win, XCB_GC_FOREGROUND | XCB_GC_BACKGROUND, (const uint32_t[]) { globalconf.screen->black_pixel, globalconf.screen->white_pixel }); xcb_destroy_window(globalconf.connection, tmp_win); /* Get the window tree associated to this screen */ tree_c = xcb_query_tree_unchecked(globalconf.connection, globalconf.screen->root); xcb_change_window_attributes(globalconf.connection, globalconf.screen->root, XCB_CW_EVENT_MASK, ROOT_WINDOW_EVENT_MASK); /* we will receive events, stop grabbing server */ xcb_ungrab_server(globalconf.connection); /* Parse and run configuration file */ if (!luaA_parserc(&xdg, confpath, true)) fatal("couldn't find any rc file"); p_delete(&confpath); xdgWipeHandle(&xdg); /* scan existing windows */ scan(tree_c); xcb_flush(globalconf.connection); /* main event loop */ ev_loop(globalconf.loop, 0); /* cleanup event loop */ ev_ref(globalconf.loop); ev_check_stop(globalconf.loop, &xcheck); ev_ref(globalconf.loop); ev_prepare_stop(globalconf.loop, &a_refresh); ev_ref(globalconf.loop); ev_io_stop(globalconf.loop, &xio); awesome_atexit(false); return EXIT_SUCCESS; }
Compositor::Compositor() : connection_(QX11Info::connection()), root_(QX11Info::appRootWindow()), damageExt_(xcb_get_extension_data(connection_, &xcb_damage_id)), initFinished_(false) { qRegisterMetaType<ClientWindow *>(); Q_ASSERT(QCoreApplication::instance()); QCoreApplication::instance()->installNativeEventFilter(this); auto ewmhCookie = xcb_ewmh_init_atoms(connection_, &ewmh_); if (!xcb_ewmh_init_atoms_replies(&ewmh_, ewmhCookie, Q_NULLPTR)) { qFatal("Cannot init EWMH"); } auto wmCmCookie = xcb_ewmh_get_wm_cm_owner_unchecked(&ewmh_, QX11Info::appScreen()); xcb_window_t wmCmOwnerWin = XCB_NONE; if (!xcb_ewmh_get_wm_cm_owner_reply(&ewmh_, wmCmCookie, &wmCmOwnerWin, Q_NULLPTR)) { qFatal("Cannot check _NET_WM_CM_Sn"); } if (wmCmOwnerWin) { qFatal("Another compositing manager is already running"); } auto attributesCookie = xcb_get_window_attributes_unchecked(connection_, root_); auto damageQueryVersionCookie = xcb_damage_query_version_unchecked(connection_, 1, 1); auto overlayWindowCookie = xcb_composite_get_overlay_window_unchecked(connection_, root_); auto attributes = xcbReply(xcb_get_window_attributes_reply(connection_, attributesCookie, Q_NULLPTR)); if (!attributes) { qFatal("Cannot get root window attributes"); } auto newEventMask = attributes->your_event_mask | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE; xcb_change_window_attributes(connection_, root_, XCB_CW_EVENT_MASK, &newEventMask); auto treeCookie = xcb_query_tree_unchecked(connection_, root_); auto rootGeometryCookie = xcb_get_geometry_unchecked(connection_, root_); auto damageVersion = xcbReply(xcb_damage_query_version_reply(connection_, damageQueryVersionCookie, Q_NULLPTR)); if (!damageVersion) { qFatal("Cannot query version of Damage extension"); } auto overlayWindow = xcbReply(xcb_composite_get_overlay_window_reply(connection_, overlayWindowCookie, Q_NULLPTR)); if (!overlayWindow) { qFatal("Cannot get overlay window"); } overlayWindow_.reset(QWindow::fromWinId(overlayWindow->overlay_win)); auto region = xcb_generate_id(connection_); xcb_xfixes_create_region(connection_, region, 0, Q_NULLPTR); xcb_xfixes_set_window_shape_region(connection_, overlayWindow->overlay_win, XCB_SHAPE_SK_INPUT, 0, 0, region); xcb_xfixes_destroy_region(connection_, region); xcb_composite_redirect_subwindows(connection_, root_, XCB_COMPOSITE_REDIRECT_MANUAL); auto rootGeometry = xcbReply(xcb_get_geometry_reply(connection_, rootGeometryCookie, Q_NULLPTR)); if (!rootGeometry) { qFatal("Cannot query root window geometry"); } rootGeometry_ = QRect(rootGeometry->x, rootGeometry->y, rootGeometry->width, rootGeometry->height); auto tree = xcbReply(xcb_query_tree_reply(connection_, treeCookie, Q_NULLPTR)); if (!tree) { qFatal("Cannot query window tree"); } auto children = xcb_query_tree_children(tree.get()); for (int i = 0; i < xcb_query_tree_children_length(tree.get()); i++) { addChildWindow(children[i]); } updateActiveWindow(); initFinished_ = true; }