443 lines
13 KiB
C
443 lines
13 KiB
C
/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
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openbox.c for the Openbox window manager
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Copyright (c) 2003 Ben Jansens
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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See the COPYING file for a copy of the GNU General Public License.
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*/
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#include "debug.h"
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#include "openbox.h"
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#include "session.h"
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#include "dock.h"
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#include "event.h"
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#include "menu.h"
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#include "client.h"
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#include "xerror.h"
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#include "prop.h"
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#include "screen.h"
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#include "startupnotify.h"
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#include "focus.h"
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#include "moveresize.h"
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#include "frame.h"
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#include "keyboard.h"
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#include "mouse.h"
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#include "extensions.h"
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#include "menuframe.h"
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#include "grab.h"
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#include "group.h"
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#include "config.h"
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#include "mainloop.h"
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#include "gettext.h"
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#include "parser/parse.h"
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#include "render/render.h"
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#include "render/theme.h"
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#ifdef HAVE_FCNTL_H
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# include <fcntl.h>
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#endif
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#ifdef HAVE_SIGNAL_H
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# include <signal.h>
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#endif
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#ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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#endif
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#ifdef HAVE_LOCALE_H
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# include <locale.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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# include <sys/types.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <X11/cursorfont.h>
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RrInstance *ob_rr_inst;
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RrTheme *ob_rr_theme;
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ObMainLoop *ob_main_loop;
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Display *ob_display;
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gint ob_screen;
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gboolean ob_replace_wm;
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static ObState state;
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static gboolean xsync;
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static gboolean reconfigure;
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static gboolean restart;
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static char *restart_path;
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static Cursor cursors[OB_NUM_CURSORS];
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static KeyCode keys[OB_NUM_KEYS];
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static gint exitcode = 0;
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static void signal_handler(int signal, gpointer data);
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static void parse_args(int argc, char **argv);
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int main(int argc, char **argv)
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{
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#ifdef DEBUG
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ob_debug_show_output(TRUE);
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#endif
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state = OB_STATE_STARTING;
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/* initialize the locale */
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if (!setlocale(LC_ALL, ""))
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g_warning("Couldn't set locale from environment.\n");
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bindtextdomain(PACKAGE_NAME, LOCALEDIR);
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bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
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textdomain(PACKAGE_NAME);
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g_set_prgname(argv[0]);
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chdir(g_get_home_dir());
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parse_paths_startup();
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session_startup(&argc, &argv);
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/* parse out command line args */
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parse_args(argc, argv);
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ob_display = XOpenDisplay(NULL);
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if (ob_display == NULL)
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ob_exit_with_error("Failed to open the display.");
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if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1)
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ob_exit_with_error("Failed to set display as close-on-exec.");
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ob_main_loop = ob_main_loop_new(ob_display);
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/* set up signal handler */
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ob_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL, NULL);
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ob_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL, NULL);
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ob_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL, NULL);
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ob_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL, NULL);
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ob_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL, NULL);
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ob_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL, NULL);
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ob_screen = DefaultScreen(ob_display);
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ob_rr_inst = RrInstanceNew(ob_display, ob_screen);
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if (ob_rr_inst == NULL)
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ob_exit_with_error("Failed to initialize the render library.");
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XSynchronize(ob_display, xsync);
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/* check for locale support */
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if (!XSupportsLocale())
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g_warning("X server does not support locale.");
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if (!XSetLocaleModifiers(""))
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g_warning("Cannot set locale modifiers for the X server.");
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/* set our error handler */
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XSetErrorHandler(xerror_handler);
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/* set the DISPLAY environment variable for any lauched children, to the
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display we're using, so they open in the right place. */
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putenv(g_strdup_printf("DISPLAY=%s", DisplayString(ob_display)));
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/* create available cursors */
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cursors[OB_CURSOR_NONE] = None;
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cursors[OB_CURSOR_POINTER] =
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XCreateFontCursor(ob_display, XC_left_ptr);
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cursors[OB_CURSOR_BUSY] =
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XCreateFontCursor(ob_display, XC_watch);
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cursors[OB_CURSOR_MOVE] =
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XCreateFontCursor(ob_display, XC_fleur);
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cursors[OB_CURSOR_NORTH] =
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XCreateFontCursor(ob_display, XC_top_side);
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cursors[OB_CURSOR_NORTHEAST] =
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XCreateFontCursor(ob_display, XC_top_right_corner);
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cursors[OB_CURSOR_EAST] =
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XCreateFontCursor(ob_display, XC_right_side);
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cursors[OB_CURSOR_SOUTHEAST] =
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XCreateFontCursor(ob_display, XC_bottom_right_corner);
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cursors[OB_CURSOR_SOUTH] =
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XCreateFontCursor(ob_display, XC_bottom_side);
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cursors[OB_CURSOR_SOUTHWEST] =
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XCreateFontCursor(ob_display, XC_bottom_left_corner);
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cursors[OB_CURSOR_WEST] =
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XCreateFontCursor(ob_display, XC_left_side);
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cursors[OB_CURSOR_NORTHWEST] =
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XCreateFontCursor(ob_display, XC_top_left_corner);
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/* create available keycodes */
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keys[OB_KEY_RETURN] =
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XKeysymToKeycode(ob_display, XStringToKeysym("Return"));
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keys[OB_KEY_ESCAPE] =
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XKeysymToKeycode(ob_display, XStringToKeysym("Escape"));
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keys[OB_KEY_LEFT] =
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XKeysymToKeycode(ob_display, XStringToKeysym("Left"));
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keys[OB_KEY_RIGHT] =
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XKeysymToKeycode(ob_display, XStringToKeysym("Right"));
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keys[OB_KEY_UP] =
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XKeysymToKeycode(ob_display, XStringToKeysym("Up"));
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keys[OB_KEY_DOWN] =
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XKeysymToKeycode(ob_display, XStringToKeysym("Down"));
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prop_startup(); /* get atoms values for the display */
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extensions_query_all(); /* find which extensions are present */
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if (screen_annex()) { /* it will be ours! */
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do {
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{
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ObParseInst *i;
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xmlDocPtr doc;
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xmlNodePtr node;
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/* startup the parsing so everything can register sections
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of the rc */
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i = parse_startup();
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config_startup(i);
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/* parse/load user options */
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if (parse_load_rc(&doc, &node))
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parse_tree(i, doc, node->xmlChildrenNode);
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/* we're done with parsing now, kill it */
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parse_close(doc);
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parse_shutdown(i);
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}
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/* load the theme specified in the rc file */
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{
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RrTheme *theme;
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if ((theme = RrThemeNew(ob_rr_inst, config_theme))) {
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RrThemeFree(ob_rr_theme);
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ob_rr_theme = theme;
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}
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if (ob_rr_theme == NULL)
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ob_exit_with_error("Unable to load a theme.");
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}
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if (reconfigure) {
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GList *it;
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/* update all existing windows for the new theme */
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for (it = client_list; it; it = g_list_next(it)) {
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ObClient *c = it->data;
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frame_adjust_theme(c->frame);
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}
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}
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event_startup(reconfigure);
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/* focus_backup is used for stacking, so this needs to come before
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anything that calls stacking_add */
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focus_startup(reconfigure);
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window_startup(reconfigure);
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sn_startup(reconfigure);
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screen_startup(reconfigure);
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grab_startup(reconfigure);
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group_startup(reconfigure);
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client_startup(reconfigure);
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dock_startup(reconfigure);
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moveresize_startup(reconfigure);
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keyboard_startup(reconfigure);
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mouse_startup(reconfigure);
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menu_startup(reconfigure);
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if (!reconfigure) {
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/* get all the existing windows */
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client_manage_all();
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focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
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} else {
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GList *it;
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/* redecorate all existing windows */
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for (it = client_list; it; it = g_list_next(it)) {
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ObClient *c = it->data;
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frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
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}
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}
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reconfigure = FALSE;
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state = OB_STATE_RUNNING;
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ob_main_loop_run(ob_main_loop);
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state = OB_STATE_EXITING;
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if (!reconfigure) {
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dock_remove_all();
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client_unmanage_all();
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}
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menu_shutdown(reconfigure);
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mouse_shutdown(reconfigure);
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keyboard_shutdown(reconfigure);
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moveresize_shutdown(reconfigure);
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dock_shutdown(reconfigure);
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client_shutdown(reconfigure);
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group_shutdown(reconfigure);
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grab_shutdown(reconfigure);
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screen_shutdown(reconfigure);
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focus_shutdown(reconfigure);
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sn_shutdown(reconfigure);
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window_shutdown(reconfigure);
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event_shutdown(reconfigure);
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config_shutdown();
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} while (reconfigure);
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}
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XSync(ob_display, FALSE);
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RrThemeFree(ob_rr_theme);
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RrInstanceFree(ob_rr_inst);
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session_shutdown();
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XCloseDisplay(ob_display);
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parse_paths_shutdown();
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if (restart) {
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if (restart_path != NULL) {
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int argcp;
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char **argvp;
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GError *err = NULL;
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/* run other shit */
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if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
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execvp(argvp[0], argvp);
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g_strfreev(argvp);
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} else {
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g_warning("failed to execute '%s': %s", restart_path,
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err->message);
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}
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}
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/* re-run me */
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execvp(argv[0], argv); /* try how we were run */
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execlp(argv[0], g_path_get_basename(argv[0])); /* last resort */
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}
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return exitcode;
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}
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static void signal_handler(int signal, gpointer data)
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{
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if (signal == SIGUSR1) {
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fprintf(stderr, "Caught signal %d. Restarting.\n", signal);
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ob_restart();
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} else if (signal == SIGUSR2) {
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fprintf(stderr, "Caught signal %d. Reconfiguring.\n", signal);
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ob_reconfigure();
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} else {
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fprintf(stderr, "Caught signal %d. Exiting.\n", signal);
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/* TERM and INT return a 0 code */
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ob_exit(!(signal == SIGTERM || signal == SIGINT));
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}
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}
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static void print_version()
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{
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g_print("Openbox %s\n", PACKAGE_VERSION);
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g_print("Copyright (c) 2003 Ben Jansens, and others\n\n");
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g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
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g_print("This is free software, and you are welcome to redistribute it\n");
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g_print("under certain conditions. See the file COPYING for details.\n\n");
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}
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static void print_help()
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{
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g_print("Syntax: openbox [options]\n\n");
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g_print("Options:\n\n");
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#ifdef USE_SM
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g_print(" --sm-disable Disable connection to session manager\n");
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g_print(" --sm-client-id ID Specify session management ID\n");
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g_print(" --sm-save-file FILE Specify file to load a saved session"
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"from\n");
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#endif
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g_print(" --replace Replace the currently running window "
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"manager\n");
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g_print(" --help Display this help and exit\n");
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g_print(" --version Display the version and exit\n");
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g_print(" --sync Run in synchronous mode (this is slow and "
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"meant for\n"
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" debugging X routines)\n");
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g_print(" --debug Display debugging output\n");
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g_print("\nPlease report bugs at %s\n\n", PACKAGE_BUGREPORT);
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}
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static void parse_args(int argc, char **argv)
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{
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int i;
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for (i = 1; i < argc; ++i) {
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if (!strcmp(argv[i], "--version")) {
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print_version();
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exit(0);
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} else if (!strcmp(argv[i], "--help")) {
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print_help();
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exit(0);
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} else if (!strcmp(argv[i], "--g-fatal-warnings")) {
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g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
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} else if (!strcmp(argv[i], "--replace")) {
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ob_replace_wm = TRUE;
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} else if (!strcmp(argv[i], "--sync")) {
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xsync = TRUE;
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} else if (!strcmp(argv[i], "--debug")) {
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ob_debug_show_output(TRUE);
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} else {
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g_printerr("Invalid option: '%s'\n\n", argv[i]);
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print_help();
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exit(1);
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}
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}
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}
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void ob_exit_with_error(gchar *msg)
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{
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g_critical(msg);
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session_shutdown();
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exit(EXIT_FAILURE);
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}
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void ob_restart_other(const gchar *path)
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{
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restart_path = g_strdup(path);
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ob_restart();
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}
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void ob_restart()
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{
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restart = TRUE;
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ob_exit(0);
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}
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void ob_reconfigure()
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{
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reconfigure = TRUE;
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ob_exit(0);
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}
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void ob_exit(gint code)
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{
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exitcode = code;
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ob_main_loop_exit(ob_main_loop);
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}
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Cursor ob_cursor(ObCursor cursor)
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{
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g_assert(cursor < OB_NUM_CURSORS);
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return cursors[cursor];
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}
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KeyCode ob_keycode(ObKey key)
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{
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g_assert(key < OB_NUM_KEYS);
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return keys[key];
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}
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ObState ob_state()
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{
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return state;
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}
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