/* * property.c - property handlers * * Copyright © 2008-2009 Julien Danjou * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * */ #include #include "screen.h" #include "property.h" #include "objects/client.h" #include "ewmh.h" #include "objects/wibox.h" #include "xwindow.h" #include "luaa.h" #include "common/atoms.h" #include "common/xutil.h" #define HANDLE_TEXT_PROPERTY(funcname, atom, setfunc) \ void \ property_update_##funcname(client_t *c, xcb_get_property_reply_t *reply) \ { \ bool no_reply = !reply; \ if(no_reply) \ reply = xcb_get_property_reply(globalconf.connection, \ xcb_get_any_property(globalconf.connection, \ false, \ c->window, \ atom, \ UINT_MAX), NULL); \ luaA_object_push(globalconf.L, c); \ setfunc(globalconf.L, -1, xutil_get_text_property_from_reply(reply)); \ lua_pop(globalconf.L, 1); \ if(no_reply) \ p_delete(&reply); \ } \ static int \ property_handle_##funcname(void *data, \ xcb_connection_t *connection, \ uint8_t state, \ xcb_window_t window, \ xcb_atom_t name, \ xcb_get_property_reply_t *reply) \ { \ client_t *c = client_getbywin(window); \ if(c) \ property_update_##funcname(c, reply); \ return 0; \ } HANDLE_TEXT_PROPERTY(wm_name, WM_NAME, client_set_alt_name) HANDLE_TEXT_PROPERTY(net_wm_name, _NET_WM_NAME, client_set_name) HANDLE_TEXT_PROPERTY(wm_icon_name, WM_ICON_NAME, client_set_alt_icon_name) HANDLE_TEXT_PROPERTY(net_wm_icon_name, _NET_WM_ICON_NAME, client_set_icon_name) HANDLE_TEXT_PROPERTY(wm_client_machine, WM_CLIENT_MACHINE, client_set_machine) HANDLE_TEXT_PROPERTY(wm_window_role, WM_WINDOW_ROLE, client_set_role) #undef HANDLE_TEXT_PROPERTY #define HANDLE_PROPERTY(name) \ static int \ property_handle_##name(void *data, \ xcb_connection_t *connection, \ uint8_t state, \ xcb_window_t window, \ xcb_atom_t name, \ xcb_get_property_reply_t *reply) \ { \ client_t *c = client_getbywin(window); \ if(c) \ property_update_##name(c, reply); \ return 0; \ } HANDLE_PROPERTY(wm_protocols) HANDLE_PROPERTY(wm_transient_for) HANDLE_PROPERTY(wm_client_leader) HANDLE_PROPERTY(wm_normal_hints) HANDLE_PROPERTY(wm_hints) HANDLE_PROPERTY(wm_class) HANDLE_PROPERTY(net_wm_icon) HANDLE_PROPERTY(net_wm_pid) #undef HANDLE_PROPERTY void property_update_wm_transient_for(client_t *c, xcb_get_property_reply_t *reply) { xcb_window_t trans; if(reply) { if(!xcb_get_wm_transient_for_from_reply(&trans, reply)) return; } else { if(!xcb_get_wm_transient_for_reply(globalconf.connection, xcb_get_wm_transient_for_unchecked(globalconf.connection, c->window), &trans, NULL)) return; } luaA_object_push(globalconf.L, c); client_set_type(globalconf.L, -1, WINDOW_TYPE_DIALOG); client_set_above(globalconf.L, -1, false); client_set_transient_for(globalconf.L, -1, client_getbywin(trans)); lua_pop(globalconf.L, 1); } /** Update leader hint of a client. * \param c The client. * \param reply (Optional) An existing reply. */ void property_update_wm_client_leader(client_t *c, xcb_get_property_reply_t *reply) { xcb_get_property_cookie_t client_leader_q; void *data; bool no_reply = !reply; if(no_reply) { client_leader_q = xcb_get_property_unchecked(globalconf.connection, false, c->window, WM_CLIENT_LEADER, WINDOW, 0, 32); reply = xcb_get_property_reply(globalconf.connection, client_leader_q, NULL); } if(reply && reply->value_len && (data = xcb_get_property_value(reply))) c->leader_window = *(xcb_window_t *) data; /* Only free when we created a reply ourselves. */ if(no_reply) p_delete(&reply); } /** Update the size hints of a client. * \param c The client. * \param reply (Optional) An existing reply. */ void property_update_wm_normal_hints(client_t *c, xcb_get_property_reply_t *reply) { if(reply) { if(!xcb_get_wm_size_hints_from_reply(&c->size_hints, reply)) return; } else { if(!xcb_get_wm_normal_hints_reply(globalconf.connection, xcb_get_wm_normal_hints_unchecked(globalconf.connection, c->window), &c->size_hints, NULL)) return; } } /** Update the WM hints of a client. * \param c The client. * \param reply (Optional) An existing reply. */ void property_update_wm_hints(client_t *c, xcb_get_property_reply_t *reply) { xcb_wm_hints_t wmh; if(reply) { if(!xcb_get_wm_hints_from_reply(&wmh, reply)) return; } else { if(!xcb_get_wm_hints_reply(globalconf.connection, xcb_get_wm_hints_unchecked(globalconf.connection, c->window), &wmh, NULL)) return; } luaA_object_push(globalconf.L, c); client_set_urgent(globalconf.L, -1, xcb_wm_hints_get_urgency(&wmh)); if(wmh.flags & XCB_WM_HINT_INPUT) c->nofocus = !wmh.input; if(wmh.flags & XCB_WM_HINT_WINDOW_GROUP) client_set_group_window(globalconf.L, -1, wmh.window_group); lua_pop(globalconf.L, 1); } /** Update WM_CLASS of a client. * \param c The client. * \param reply The reply to get property request, or NULL if none. */ void property_update_wm_class(client_t *c, xcb_get_property_reply_t *reply) { xcb_get_wm_class_reply_t hint; if(reply) { if(!xcb_get_wm_class_from_reply(&hint, reply)) return; } else { if(!xcb_get_wm_class_reply(globalconf.connection, xcb_get_wm_class_unchecked(globalconf.connection, c->window), &hint, NULL)) return; } luaA_object_push(globalconf.L, c); client_set_class_instance(globalconf.L, -1, hint.class_name, hint.instance_name); lua_pop(globalconf.L, 1); /* only delete reply if we get it ourselves */ if(!reply) xcb_get_wm_class_reply_wipe(&hint); } static int property_handle_net_wm_strut_partial(void *data, xcb_connection_t *connection, uint8_t state, xcb_window_t window, xcb_atom_t name, xcb_get_property_reply_t *reply) { client_t *c = client_getbywin(window); if(c) ewmh_process_client_strut(c, reply); return 0; } void property_update_net_wm_icon(client_t *c, xcb_get_property_reply_t *reply) { luaA_object_push(globalconf.L, c); if(reply) { if(ewmh_window_icon_from_reply(reply)) client_set_icon(globalconf.L, -2, -1); } else if(ewmh_window_icon_get_reply(ewmh_window_icon_get_unchecked(c->window))) client_set_icon(globalconf.L, -2, -1); /* remove client */ lua_pop(globalconf.L, 1); } void property_update_net_wm_pid(client_t *c, xcb_get_property_reply_t *reply) { bool no_reply = !reply; if(no_reply) { xcb_get_property_cookie_t prop_c = xcb_get_property_unchecked(globalconf.connection, false, c->window, _NET_WM_PID, CARDINAL, 0L, 1L); reply = xcb_get_property_reply(globalconf.connection, prop_c, NULL); } if(reply && reply->value_len) { uint32_t *rdata = xcb_get_property_value(reply); if(rdata) { luaA_object_push(globalconf.L, c); client_set_pid(globalconf.L, -1, *rdata); lua_pop(globalconf.L, 1); } } if(no_reply) p_delete(&reply); } /** Update the list of supported protocols for a client. * \param c The client. * \param reply The xcb property reply. */ void property_update_wm_protocols(client_t *c, xcb_get_property_reply_t *reply) { xcb_get_wm_protocols_reply_t protocols; xcb_get_property_reply_t *reply_copy; if(reply) { reply_copy = p_dup(reply, 1); if(!xcb_get_wm_protocols_from_reply(reply_copy, &protocols)) { p_delete(&reply_copy); return; } } else { /* If this fails for any reason, we still got the old value */ if(!xcb_get_wm_protocols_reply(globalconf.connection, xcb_get_wm_protocols_unchecked(globalconf.connection, c->window, WM_PROTOCOLS), &protocols, NULL)) return; } xcb_get_wm_protocols_reply_wipe(&c->protocols); memcpy(&c->protocols, &protocols, sizeof(protocols)); } /** The property notify event handler. * \param data currently unused. * \param connection The connection to the X server. * \param state currently unused * \param window The window to obtain update the property with. * \param name The protocol atom, currently unused. * \param reply (Optional) An existing reply. */ static int property_handle_xembed_info(void *data __attribute__ ((unused)), xcb_connection_t *connection, uint8_t state, xcb_window_t window, xcb_atom_t name, xcb_get_property_reply_t *reply) { xembed_window_t *emwin = xembed_getbywin(&globalconf.embedded, window); if(emwin) xembed_property_update(connection, emwin, reply); return 0; } static int property_handle_xrootpmap_id(void *data __attribute__ ((unused)), xcb_connection_t *connection, uint8_t state, xcb_window_t window, xcb_atom_t name, xcb_get_property_reply_t *reply) { if(globalconf.xinerama_is_active) foreach(w, globalconf.wiboxes) (*w)->need_update = true; else { int screen = xutil_root2screen(connection, window); foreach(w, globalconf.wiboxes) if(screen == screen_array_indexof(&globalconf.screens, (*w)->screen)) (*w)->need_update = true; } return 0; } static int property_handle_net_wm_opacity(void *data __attribute__ ((unused)), xcb_connection_t *connection, uint8_t state, xcb_window_t window, xcb_atom_t name, xcb_get_property_reply_t *reply) { wibox_t *wibox = wibox_getbywin(window); if(wibox) { luaA_object_push(globalconf.L, wibox); window_set_opacity(globalconf.L, -1, xwindow_get_opacity_from_reply(reply)); lua_pop(globalconf.L, -1); } else { client_t *c = client_getbywin(window); if(c) { luaA_object_push(globalconf.L, c); window_set_opacity(globalconf.L, -1, xwindow_get_opacity_from_reply(reply)); lua_pop(globalconf.L, 1); } } return 0; } void a_xcb_set_property_handlers(void) { static xcb_property_handlers_t prophs; /* init */ xcb_property_handlers_init(&prophs, &globalconf.evenths); /* Xembed stuff */ xcb_property_set_handler(&prophs, _XEMBED_INFO, UINT_MAX, property_handle_xembed_info, NULL); /* ICCCM stuff */ xcb_property_set_handler(&prophs, WM_TRANSIENT_FOR, UINT_MAX, property_handle_wm_transient_for, NULL); xcb_property_set_handler(&prophs, WM_CLIENT_LEADER, UINT_MAX, property_handle_wm_client_leader, NULL); xcb_property_set_handler(&prophs, WM_NORMAL_HINTS, UINT_MAX, property_handle_wm_normal_hints, NULL); xcb_property_set_handler(&prophs, WM_HINTS, UINT_MAX, property_handle_wm_hints, NULL); xcb_property_set_handler(&prophs, WM_NAME, UINT_MAX, property_handle_wm_name, NULL); xcb_property_set_handler(&prophs, WM_ICON_NAME, UINT_MAX, property_handle_wm_icon_name, NULL); xcb_property_set_handler(&prophs, WM_CLASS, UINT_MAX, property_handle_wm_class, NULL); xcb_property_set_handler(&prophs, WM_PROTOCOLS, UINT_MAX, property_handle_wm_protocols, NULL); xcb_property_set_handler(&prophs, WM_CLIENT_MACHINE, UINT_MAX, property_handle_wm_client_machine, NULL); xcb_property_set_handler(&prophs, WM_WINDOW_ROLE, UINT_MAX, property_handle_wm_window_role, NULL); /* EWMH stuff */ xcb_property_set_handler(&prophs, _NET_WM_NAME, UINT_MAX, property_handle_net_wm_name, NULL); xcb_property_set_handler(&prophs, _NET_WM_ICON_NAME, UINT_MAX, property_handle_net_wm_icon_name, NULL); xcb_property_set_handler(&prophs, _NET_WM_STRUT_PARTIAL, UINT_MAX, property_handle_net_wm_strut_partial, NULL); xcb_property_set_handler(&prophs, _NET_WM_ICON, UINT_MAX, property_handle_net_wm_icon, NULL); xcb_property_set_handler(&prophs, _NET_WM_PID, UINT_MAX, property_handle_net_wm_pid, NULL); xcb_property_set_handler(&prophs, _NET_WM_WINDOW_OPACITY, 1, property_handle_net_wm_opacity, NULL); /* background change */ xcb_property_set_handler(&prophs, _XROOTPMAP_ID, 1, property_handle_xrootpmap_id, NULL); } // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80