openbox/session.c (raw)
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/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*- session.c for the Openbox window manager Copyright (c) 2003 Ben Jansens 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. See the COPYING file for a copy of the GNU General Public License. */ /* This session code is largely inspired by metacity code. */ #ifndef USE_SM #include "session.h" #include "client.h" GList *session_saved_state; void session_startup(gint *argc, gchar ***argv) {} void session_shutdown() {} GList* session_state_find(ObClient *c) { return NULL; } gboolean session_state_cmp(ObSessionState *s, ObClient *c) { return FALSE; } void session_state_free(ObSessionState *state) {} #else #include "debug.h" #include "openbox.h" #include "session.h" #include "client.h" #include "prop.h" #include "gettext.h" #include "parser/parse.h" #include <time.h> #include <errno.h> #include <stdio.h> #ifdef HAVE_UNISTD_H # include <sys/types.h> # include <unistd.h> #endif #include <X11/SM/SMlib.h> GList *session_saved_state; static gboolean sm_disable; static SmcConn sm_conn; static gchar *save_file; static gchar *sm_id; static gint sm_argc; static gchar **sm_argv; static gchar *sm_sessions_path; static void session_load(gchar *path); static gboolean session_save(); static void sm_save_yourself(SmcConn conn, SmPointer data, gint save_type, Bool shutdown, gint interact_style, Bool fast); static void sm_die(SmcConn conn, SmPointer data); static void sm_save_complete(SmcConn conn, SmPointer data); static void sm_shutdown_cancelled(SmcConn conn, SmPointer data); static void save_commands() { SmProp *props[2]; SmProp prop_cmd = { SmCloneCommand, SmLISTofARRAY8, 1, }; SmProp prop_res = { SmRestartCommand, SmLISTofARRAY8, }; gint i; prop_cmd.vals = g_new(SmPropValue, sm_argc); prop_cmd.num_vals = sm_argc; for (i = 0; i < sm_argc; ++i) { prop_cmd.vals[i].value = sm_argv[i]; prop_cmd.vals[i].length = strlen(sm_argv[i]); } prop_res.vals = g_new(SmPropValue, sm_argc + 2); prop_res.num_vals = sm_argc + 2; for (i = 0; i < sm_argc; ++i) { prop_res.vals[i].value = sm_argv[i]; prop_res.vals[i].length = strlen(sm_argv[i]); } prop_res.vals[i].value = "--sm-save-file"; prop_res.vals[i++].length = strlen("--sm-save-file"); prop_res.vals[i].value = save_file; prop_res.vals[i++].length = strlen(save_file); props[0] = &prop_res; props[1] = &prop_cmd; SmcSetProperties(sm_conn, 2, props); g_free(prop_res.vals); g_free(prop_cmd.vals); } static void remove_args(gint *argc, gchar ***argv, gint index, gint num) { gint i; for (i = index; i < index + num; ++i) (*argv)[i] = (*argv)[i+num]; *argc -= num; } static void parse_args(gint *argc, gchar ***argv) { gint i; for (i = 1; i < *argc; ++i) { if (!strcmp((*argv)[i], "--sm-client-id")) { if (i == *argc - 1) /* no args left */ g_printerr(_("--sm-client-id requires an argument\n")); else { sm_id = g_strdup((*argv)[i+1]); remove_args(argc, argv, i, 2); ++i; } } else if (!strcmp((*argv)[i], "--sm-save-file")) { if (i == *argc - 1) /* no args left */ g_printerr(_("--sm-save-file requires an argument\n")); else { save_file = g_strdup((*argv)[i+1]); remove_args(argc, argv, i, 2); ++i; } } else if (!strcmp((*argv)[i], "--sm-disable")) { sm_disable = TRUE; remove_args(argc, argv, i, 1); } } } void session_startup(gint *argc, gchar ***argv) { #define SM_ERR_LEN 1024 SmcCallbacks cb; gchar sm_err[SM_ERR_LEN]; parse_args(argc, argv); if (sm_disable) return; sm_sessions_path = g_build_filename(parse_xdg_data_home_path(), "openbox", "sessions", NULL); if (!parse_mkdir_path(sm_sessions_path, 0700)) g_warning(_("Unable to make directory '%s': %s"), sm_sessions_path, g_strerror(errno)); if (save_file) session_load(save_file); else { gchar *filename; /* this algo is from metacity */ filename = g_strdup_printf("%d-%d-%u.obs", (gint) time(NULL), (gint) getpid(), g_random_int()); save_file = g_build_filename(sm_sessions_path, filename, NULL); g_free(filename); } sm_argc = *argc; sm_argv = *argv; cb.save_yourself.callback = sm_save_yourself; cb.save_yourself.client_data = NULL; cb.die.callback = sm_die; cb.die.client_data = NULL; cb.save_complete.callback = sm_save_complete; cb.save_complete.client_data = NULL; cb.shutdown_cancelled.callback = sm_shutdown_cancelled; cb.shutdown_cancelled.client_data = NULL; sm_conn = SmcOpenConnection(NULL, NULL, 1, 0, SmcSaveYourselfProcMask | SmcDieProcMask | SmcSaveCompleteProcMask | SmcShutdownCancelledProcMask, &cb, sm_id, &sm_id, SM_ERR_LEN, sm_err); if (sm_conn == NULL) ob_debug("Failed to connect to session manager: %s\n", sm_err); else { SmPropValue val_prog; SmPropValue val_uid; SmPropValue val_hint; SmPropValue val_pri; SmPropValue val_pid; SmProp prop_prog = { SmProgram, SmARRAY8, 1, }; SmProp prop_uid = { SmUserID, SmARRAY8, 1, }; SmProp prop_hint = { SmRestartStyleHint, SmCARD8, 1, }; SmProp prop_pid = { SmProcessID, SmARRAY8, 1, }; SmProp prop_pri = { "_GSM_Priority", SmCARD8, 1, }; SmProp *props[6]; gchar hint, pri; gchar pid[32]; val_prog.value = sm_argv[0]; val_prog.length = strlen(sm_argv[0]); val_uid.value = g_strdup(g_get_user_name()); val_uid.length = strlen(val_uid.value); hint = SmRestartImmediately; val_hint.value = &hint; val_hint.length = 1; g_snprintf(pid, sizeof(pid), "%ld", (glong) getpid()); val_pid.value = pid; val_pid.length = strlen(pid); /* priority with gnome-session-manager, low to run before other apps */ pri = 20; val_pri.value = &pri; val_pri.length = 1; prop_prog.vals = &val_prog; prop_uid.vals = &val_uid; prop_hint.vals = &val_hint; prop_pid.vals = &val_pid; prop_pri.vals = &val_pri; props[0] = &prop_prog; props[1] = &prop_uid; props[2] = &prop_hint; props[3] = &prop_pid; props[4] = &prop_pri; SmcSetProperties(sm_conn, 5, props); g_free(val_uid.value); save_commands(); } } void session_shutdown() { g_free(sm_sessions_path); g_free(save_file); g_free(sm_id); if (sm_conn) { SmPropValue val_hint; SmProp prop_hint = { SmRestartStyleHint, SmCARD8, 1, }; SmProp *props[1]; gulong hint; /* when we exit, we want to reset this to a more friendly state */ hint = SmRestartIfRunning; val_hint.value = &hint; val_hint.length = 1; prop_hint.vals = &val_hint; props[0] = &prop_hint; SmcSetProperties(sm_conn, 1, props); SmcCloseConnection(sm_conn, 0, NULL); while (session_saved_state) { session_state_free(session_saved_state->data); session_saved_state = g_list_delete_link(session_saved_state, session_saved_state); } } } static void sm_save_yourself_phase2(SmcConn conn, SmPointer data) { gboolean success; success = session_save(); save_commands(); SmcSaveYourselfDone(conn, success); } static void sm_save_yourself(SmcConn conn, SmPointer data, gint save_type, Bool shutdown, gint interact_style, Bool fast) { if (!SmcRequestSaveYourselfPhase2(conn, sm_save_yourself_phase2, data)) { ob_debug("SAVE YOURSELF PHASE 2 failed\n"); SmcSaveYourselfDone(conn, FALSE); } } static void sm_die(SmcConn conn, SmPointer data) { ob_exit(0); } static void sm_save_complete(SmcConn conn, SmPointer data) { } static void sm_shutdown_cancelled(SmcConn conn, SmPointer data) { } static gboolean session_save() { FILE *f; GList *it; gboolean success = TRUE; f = fopen(save_file, "w"); if (!f) { success = FALSE; g_warning("unable to save the session to %s: %s", save_file, g_strerror(errno)); } else { guint stack_pos = 0; fprintf(f, "<?xml version=\"1.0\"?>\n\n"); fprintf(f, "<openbox_session id=\"%s\">\n\n", sm_id); for (it = stacking_list; it; it = g_list_next(it)) { gint prex, prey, prew, preh; ObClient *c; gchar *t; if (WINDOW_IS_CLIENT(it->data)) c = WINDOW_AS_CLIENT(it->data); else continue; if (!client_normal(c)) continue; if (!c->sm_client_id) continue; prex = c->area.x; prey = c->area.y; prew = c->area.width; preh = c->area.height; if (c->fullscreen) { prex = c->pre_fullscreen_area.x; prey = c->pre_fullscreen_area.x; prew = c->pre_fullscreen_area.width; preh = c->pre_fullscreen_area.height; } if (c->max_horz) { prex = c->pre_max_area.x; prew = c->pre_max_area.width; } if (c->max_vert) { prey = c->pre_max_area.y; preh = c->pre_max_area.height; } fprintf(f, "<window id=\"%s\">\n", c->sm_client_id); t = g_markup_escape_text(c->name, -1); fprintf(f, "\t<name>%s</name>\n", t); g_free(t); t = g_markup_escape_text(c->class, -1); fprintf(f, "\t<class>%s</class>\n", t); g_free(t); t = g_markup_escape_text(c->role, -1); fprintf(f, "\t<role>%s</role>\n", t); g_free(t); fprintf(f, "\t<desktop>%d</desktop>\n", c->desktop); fprintf(f, "\t<stacking>%d</stacking>\n", stack_pos); fprintf(f, "\t<x>%d</x>\n", prex); fprintf(f, "\t<y>%d</y>\n", prey); fprintf(f, "\t<width>%d</width>\n", prew); fprintf(f, "\t<height>%d</height>\n", preh); if (c->shaded) fprintf(f, "\t<shaded />\n"); if (c->iconic) fprintf(f, "\t<iconic />\n"); if (c->skip_pager) fprintf(f, "\t<skip_pager />\n"); if (c->skip_taskbar) fprintf(f, "\t<skip_taskbar />\n"); if (c->fullscreen) fprintf(f, "\t<fullscreen />\n"); if (c->above) fprintf(f, "\t<above />\n"); if (c->below) fprintf(f, "\t<below />\n"); if (c->max_horz) fprintf(f, "\t<max_horz />\n"); if (c->max_vert) fprintf(f, "\t<max_vert />\n"); fprintf(f, "</window>\n\n"); ++stack_pos; } fprintf(f, "</openbox_session>\n"); if (fflush(f)) { success = FALSE; g_warning("error while saving the session to %s: %s", save_file, g_strerror(errno)); } fclose(f); } return success; } void session_state_free(ObSessionState *state) { if (state) { g_free(state->id); g_free(state->name); g_free(state->class); g_free(state->role); g_free(state); } } gboolean session_state_cmp(ObSessionState *s, ObClient *c) { return (c->sm_client_id && !strcmp(s->id, c->sm_client_id) && !strcmp(s->name, c->name) && !strcmp(s->class, c->class) && !strcmp(s->role, c->role)); } GList* session_state_find(ObClient *c) { GList *it; for (it = session_saved_state; it; it = g_list_next(it)) { ObSessionState *s = it->data; if (!s->matched && session_state_cmp(s, c)) { s->matched = TRUE; break; } } return it; } static gint stack_sort(const ObSessionState *s1, const ObSessionState *s2) { return s1->stacking - s2->stacking; } static void session_load(gchar *path) { xmlDocPtr doc; xmlNodePtr node, n; gchar *id; if (!parse_load(path, "openbox_session", &doc, &node)) return; if (!parse_attr_string("id", node, &id)) return; g_free(sm_id); sm_id = id; node = parse_find_node("window", node->children); while (node) { ObSessionState *state; state = g_new0(ObSessionState, 1); if (!parse_attr_string("id", node, &state->id)) goto session_load_bail; if (!(n = parse_find_node("name", node->children))) goto session_load_bail; state->name = parse_string(doc, n); if (!(n = parse_find_node("class", node->children))) goto session_load_bail; state->class = parse_string(doc, n); if (!(n = parse_find_node("role", node->children))) goto session_load_bail; state->role = parse_string(doc, n); if (!(n = parse_find_node("stacking", node->children))) goto session_load_bail; state->stacking = parse_int(doc, n); if (!(n = parse_find_node("desktop", node->children))) goto session_load_bail; state->desktop = parse_int(doc, n); if (!(n = parse_find_node("x", node->children))) goto session_load_bail; state->x = parse_int(doc, n); if (!(n = parse_find_node("y", node->children))) goto session_load_bail; state->y = parse_int(doc, n); if (!(n = parse_find_node("width", node->children))) goto session_load_bail; state->w = parse_int(doc, n); if (!(n = parse_find_node("height", node->children))) goto session_load_bail; state->h = parse_int(doc, n); state->shaded = parse_find_node("shaded", node->children) != NULL; state->iconic = parse_find_node("iconic", node->children) != NULL; state->skip_pager = parse_find_node("skip_pager", node->children) != NULL; state->skip_taskbar = parse_find_node("skip_taskbar", node->children) != NULL; state->fullscreen = parse_find_node("fullscreen", node->children) != NULL; state->above = parse_find_node("above", node->children) != NULL; state->below = parse_find_node("below", node->children) != NULL; state->max_horz = parse_find_node("max_horz", node->children) != NULL; state->max_vert = parse_find_node("max_vert", node->children) != NULL; /* save this */ session_saved_state = g_list_prepend(session_saved_state, state); goto session_load_ok; session_load_bail: session_state_free(state); session_load_ok: node = parse_find_node("window", node->next); } /* sort them by their stacking order */ session_saved_state = g_list_sort(session_saved_state, (GCompareFunc)stack_sort); xmlFreeDoc(doc); } #endif |