1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 session.c for the Openbox window manager
4 Copyright (c) 2003 Ben Jansens
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 See the COPYING file for a copy of the GNU General Public License.
19 /* This session code is largely inspired by metacity code. */
26 GList *session_saved_state;
28 void session_startup(int *argc, char ***argv) {}
29 void session_shutdown() {}
30 GList* session_state_find(ObClient *c) { return NULL; }
31 gboolean session_state_cmp(ObSessionState *s, ObClient *c) { return FALSE; }
32 void session_state_free(ObSessionState *state) {}
42 #include "parser/parse.h"
49 # include <sys/types.h>
53 #include <X11/SM/SMlib.h>
55 GList *session_saved_state;
57 static gboolean sm_disable;
58 static SmcConn sm_conn;
59 static gchar *save_file;
62 static gchar **sm_argv;
63 static gchar *sm_sessions_path;
65 static void session_load(char *path);
66 static gboolean session_save();
68 static void sm_save_yourself(SmcConn conn, SmPointer data, int save_type,
69 Bool shutdown, int interact_style, Bool fast);
70 static void sm_die(SmcConn conn, SmPointer data);
71 static void sm_save_complete(SmcConn conn, SmPointer data);
72 static void sm_shutdown_cancelled(SmcConn conn, SmPointer data);
74 static void save_commands()
77 SmProp prop_cmd = { SmCloneCommand, SmLISTofARRAY8, 1, };
78 SmProp prop_res = { SmRestartCommand, SmLISTofARRAY8, };
81 prop_cmd.vals = g_new(SmPropValue, sm_argc);
82 prop_cmd.num_vals = sm_argc;
83 for (i = 0; i < sm_argc; ++i) {
84 prop_cmd.vals[i].value = sm_argv[i];
85 prop_cmd.vals[i].length = strlen(sm_argv[i]);
88 prop_res.vals = g_new(SmPropValue, sm_argc + 2);
89 prop_res.num_vals = sm_argc + 2;
90 for (i = 0; i < sm_argc; ++i) {
91 prop_res.vals[i].value = sm_argv[i];
92 prop_res.vals[i].length = strlen(sm_argv[i]);
96 prop_res.vals[i].value = "--sm-save-file";
97 prop_res.vals[i++].length = strlen("--sm-save-file");
98 prop_res.vals[i].value = save_file;
99 prop_res.vals[i++].length = strlen(save_file);
101 prop_res.vals[i].value = "--sm-client-id";
102 prop_res.vals[i++].length = strlen("--sm-client-id");
103 prop_res.vals[i].value = sm_id;
104 prop_res.vals[i++].length = strlen(sm_id);
107 props[0] = &prop_res;
108 props[1] = &prop_cmd;
109 SmcSetProperties(sm_conn, 2, props);
111 g_free(prop_res.vals);
112 g_free(prop_cmd.vals);
115 static void remove_two_args(int *argc, char ***argv, int index)
119 for (i = index; i < index + 2; ++i)
120 (*argv)[i] = (*argv)[i+2];
124 static void parse_args(int *argc, char ***argv)
128 for (i = 1; i < *argc; ++i) {
129 if (!strcmp((*argv)[i], "--sm-client-id")) {
130 if (i == *argc - 1) /* no args left */
131 g_printerr(_("--sm-client-id requires an argument\n"));
133 sm_id = g_strdup((*argv)[i+1]);
134 remove_two_args(argc, argv, i);
137 } else if (!strcmp((*argv)[i], "--sm-save-file")) {
138 if (i == *argc - 1) /* no args left */
139 g_printerr(_("--sm-save-file requires an argument\n"));
141 save_file = g_strdup((*argv)[i+1]);
142 remove_two_args(argc, argv, i);
145 } else if (!strcmp((*argv)[i], "--sm-disable")) {
151 void session_startup(int *argc, char ***argv)
153 #define SM_ERR_LEN 1024
156 char sm_err[SM_ERR_LEN];
158 parse_args(argc, argv);
163 sm_sessions_path = g_build_filename(parse_xdg_data_home_path(),
164 "openbox", "sessions", NULL);
165 parse_mkdir_path(sm_sessions_path, 0700);
168 session_load(save_file);
173 cb.save_yourself.callback = sm_save_yourself;
174 cb.save_yourself.client_data = NULL;
176 cb.die.callback = sm_die;
177 cb.die.client_data = NULL;
179 cb.save_complete.callback = sm_save_complete;
180 cb.save_complete.client_data = NULL;
182 cb.shutdown_cancelled.callback = sm_shutdown_cancelled;
183 cb.shutdown_cancelled.client_data = NULL;
185 sm_conn = SmcOpenConnection(NULL, NULL, 1, 0,
186 SmcSaveYourselfProcMask |
188 SmcSaveCompleteProcMask |
189 SmcShutdownCancelledProcMask,
193 ob_debug("Failed to connect to session manager: %s\n", sm_err);
195 SmPropValue val_prog;
197 SmPropValue val_hint;
200 SmProp prop_prog = { SmProgram, SmARRAY8, 1, };
201 SmProp prop_uid = { SmUserID, SmARRAY8, 1, };
202 SmProp prop_hint = { SmRestartStyleHint, SmCARD8, 1, };
203 SmProp prop_pid = { SmProcessID, SmARRAY8, 1, };
204 SmProp prop_pri = { "_GSM_Priority", SmCARD8, 1, };
209 val_prog.value = sm_argv[0];
210 val_prog.length = strlen(sm_argv[0]);
212 val_uid.value = g_strdup(g_get_user_name());
213 val_uid.length = strlen(val_uid.value);
215 hint = SmRestartImmediately;
216 val_hint.value = &hint;
219 sprintf(pid, "%ld", (long)getpid());
221 val_pid.length = strlen(pid);
223 /* priority with gnome-session-manager, low to run before other apps */
225 val_pri.value = &pri;
228 prop_prog.vals = &val_prog;
229 prop_uid.vals = &val_uid;
230 prop_hint.vals = &val_hint;
231 prop_pid.vals = &val_pid;
232 prop_pri.vals = &val_pri;
234 props[0] = &prop_prog;
235 props[1] = &prop_uid;
236 props[2] = &prop_hint;
237 props[3] = &prop_pid;
238 props[4] = &prop_pri;
240 SmcSetProperties(sm_conn, 5, props);
242 g_free(val_uid.value);
248 void session_shutdown()
250 g_free(sm_sessions_path);
255 SmPropValue val_hint;
256 SmProp prop_hint = { SmRestartStyleHint, SmCARD8, 1, };
260 /* when we exit, we want to reset this to a more friendly state */
261 hint = SmRestartIfRunning;
262 val_hint.value = &hint;
265 prop_hint.vals = &val_hint;
267 props[0] = &prop_hint;
269 SmcSetProperties(sm_conn, 1, props);
271 SmcCloseConnection(sm_conn, 0, NULL);
273 while (session_saved_state) {
274 session_state_free(session_saved_state->data);
275 session_saved_state = g_list_delete_link(session_saved_state,
276 session_saved_state);
281 static void sm_save_yourself_phase2(SmcConn conn, SmPointer data)
285 success = session_save();
288 SmcSaveYourselfDone(conn, success);
291 static void sm_save_yourself(SmcConn conn, SmPointer data, int save_type,
292 Bool shutdown, int interact_style, Bool fast)
294 if (!SmcRequestSaveYourselfPhase2(conn, sm_save_yourself_phase2, data)) {
295 ob_debug("SAVE YOURSELF PHASE 2 failed\n");
296 SmcSaveYourselfDone(conn, FALSE);
300 static void sm_die(SmcConn conn, SmPointer data)
305 static void sm_save_complete(SmcConn conn, SmPointer data)
309 static void sm_shutdown_cancelled(SmcConn conn, SmPointer data)
313 static gboolean session_save()
318 gboolean success = TRUE;
320 /* this algo is from metacity */
321 filename = g_strdup_printf("%d-%d-%u.obs",
325 save_file = g_build_filename(sm_sessions_path, filename, NULL);
328 f = fopen(save_file, "w");
331 g_warning("unable to save the session to %s: %s",
332 save_file, strerror(errno));
336 fprintf(f, "<?xml version=\"1.0\"?>\n\n");
337 fprintf(f, "<openbox_session id=\"%s\">\n\n", sm_id);
339 for (it = stacking_list; it; it = g_list_next(it)) {
340 gint prex, prey, prew, preh;
344 if (WINDOW_IS_CLIENT(it->data))
345 c = WINDOW_AS_CLIENT(it->data);
349 if (!client_normal(c))
352 if (!c->sm_client_id)
357 prew = c->area.width;
358 preh = c->area.height;
360 prex = c->pre_fullscreen_area.x;
361 prey = c->pre_fullscreen_area.x;
362 prew = c->pre_fullscreen_area.width;
363 preh = c->pre_fullscreen_area.height;
366 prex = c->pre_max_area.x;
367 prew = c->pre_max_area.width;
370 prey = c->pre_max_area.y;
371 preh = c->pre_max_area.height;
374 fprintf(f, "<window id=\"%s\">\n", c->sm_client_id);
376 t = g_markup_escape_text(c->name, -1);
377 fprintf(f, "\t<name>%s</name>\n", t);
380 t = g_markup_escape_text(c->class, -1);
381 fprintf(f, "\t<class>%s</class>\n", t);
384 t = g_markup_escape_text(c->role, -1);
385 fprintf(f, "\t<role>%s</role>\n", t);
388 fprintf(f, "\t<desktop>%d</desktop>\n", c->desktop);
389 fprintf(f, "\t<stacking>%d</stacking>\n", stack_pos);
390 fprintf(f, "\t<x>%d</x>\n", prex);
391 fprintf(f, "\t<y>%d</y>\n", prey);
392 fprintf(f, "\t<width>%d</width>\n", prew);
393 fprintf(f, "\t<height>%d</height>\n", preh);
395 fprintf(f, "\t<shaded />\n");
397 fprintf(f, "\t<iconic />\n");
399 fprintf(f, "\t<skip_pager />\n");
401 fprintf(f, "\t<skip_taskbar />\n");
403 fprintf(f, "\t<fullscreen />\n");
405 fprintf(f, "\t<above />\n");
407 fprintf(f, "\t<below />\n");
409 fprintf(f, "\t<max_horz />\n");
411 fprintf(f, "\t<max_vert />\n");
412 fprintf(f, "</window>\n\n");
417 fprintf(f, "</openbox_session>\n");
421 g_warning("error while saving the session to %s: %s",
422 save_file, strerror(errno));
430 void session_state_free(ObSessionState *state)
435 g_free(state->class);
442 gboolean session_state_cmp(ObSessionState *s, ObClient *c)
444 return (c->sm_client_id &&
445 !strcmp(s->id, c->sm_client_id) &&
446 !strcmp(s->name, c->name) &&
447 !strcmp(s->class, c->class) &&
448 !strcmp(s->role, c->role));
451 GList* session_state_find(ObClient *c)
455 for (it = session_saved_state; it; it = g_list_next(it)) {
456 ObSessionState *s = it->data;
457 if (!s->matched && session_state_cmp(s, c)) {
465 static gint stack_sort(const ObSessionState *s1, const ObSessionState *s2)
467 return s1->stacking - s2->stacking;
470 static void session_load(char *path)
476 if (!parse_load(path, "openbox_session", &doc, &node))
479 if (!parse_attr_string("id", node, &id))
484 node = parse_find_node("window", node->children);
486 ObSessionState *state;
488 state = g_new0(ObSessionState, 1);
490 if (!parse_attr_string("id", node, &state->id))
491 goto session_load_bail;
492 if (!(n = parse_find_node("name", node->children)))
493 goto session_load_bail;
494 state->name = parse_string(doc, n);
495 if (!(n = parse_find_node("class", node->children)))
496 goto session_load_bail;
497 state->class = parse_string(doc, n);
498 if (!(n = parse_find_node("role", node->children)))
499 goto session_load_bail;
500 state->role = parse_string(doc, n);
501 if (!(n = parse_find_node("stacking", node->children)))
502 goto session_load_bail;
503 state->stacking = parse_int(doc, n);
504 if (!(n = parse_find_node("desktop", node->children)))
505 goto session_load_bail;
506 state->desktop = parse_int(doc, n);
507 if (!(n = parse_find_node("x", node->children)))
508 goto session_load_bail;
509 state->x = parse_int(doc, n);
510 if (!(n = parse_find_node("y", node->children)))
511 goto session_load_bail;
512 state->y = parse_int(doc, n);
513 if (!(n = parse_find_node("width", node->children)))
514 goto session_load_bail;
515 state->w = parse_int(doc, n);
516 if (!(n = parse_find_node("height", node->children)))
517 goto session_load_bail;
518 state->h = parse_int(doc, n);
521 parse_find_node("shaded", node->children) != NULL;
523 parse_find_node("iconic", node->children) != NULL;
525 parse_find_node("skip_pager", node->children) != NULL;
526 state->skip_taskbar =
527 parse_find_node("skip_taskbar", node->children) != NULL;
529 parse_find_node("fullscreen", node->children) != NULL;
531 parse_find_node("above", node->children) != NULL;
533 parse_find_node("below", node->children) != NULL;
535 parse_find_node("max_horz", node->children) != NULL;
537 parse_find_node("max_vert", node->children) != NULL;
540 session_saved_state = g_list_prepend(session_saved_state, state);
541 goto session_load_ok;
544 session_state_free(state);
548 node = parse_find_node("window", node->next);
551 /* sort them by their stacking order */
552 session_saved_state = g_list_sort(session_saved_state,
553 (GCompareFunc)stack_sort);