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Diffstat (limited to 'src/core/util.c')
| -rw-r--r-- | src/core/util.c | 641 |
1 files changed, 641 insertions, 0 deletions
diff --git a/src/core/util.c b/src/core/util.c new file mode 100644 index 00000000..6dd27f8e --- /dev/null +++ b/src/core/util.c @@ -0,0 +1,641 @@ +/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ + +/* Marco utilities */ + +/* + * Copyright (C) 2001 Havoc Pennington + * Copyright (C) 2005 Elijah Newren + * + * 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., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ + +#define _GNU_SOURCE +#define _POSIX_C_SOURCE 200112L /* for fdopen() */ + +#include <config.h> +#include "util.h" +#include "main.h" + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include <string.h> +#include <X11/Xlib.h> /* must explicitly be included for Solaris; #326746 */ +#include <X11/Xutil.h> /* Just for the definition of the various gravities */ + +#ifdef HAVE_BACKTRACE +#include <execinfo.h> +void +meta_print_backtrace (void) +{ + void *bt[500]; + int bt_size; + int i; + char **syms; + + bt_size = backtrace (bt, 500); + + syms = backtrace_symbols (bt, bt_size); + + i = 0; + while (i < bt_size) + { + meta_verbose (" %s\n", syms[i]); + ++i; + } + + free (syms); +} +#else +void +meta_print_backtrace (void) +{ + meta_verbose ("Not compiled with backtrace support\n"); +} +#endif + +static gboolean is_verbose = FALSE; +static gboolean is_debugging = FALSE; +static gboolean replace_current = FALSE; +static int no_prefix = 0; + +#ifdef WITH_VERBOSE_MODE +static FILE* logfile = NULL; + +static void +ensure_logfile (void) +{ + if (logfile == NULL && g_getenv ("MARCO_USE_LOGFILE")) + { + char *filename = NULL; + char *tmpl; + int fd; + GError *err; + + tmpl = g_strdup_printf ("marco-%d-debug-log-XXXXXX", + (int) getpid ()); + + err = NULL; + fd = g_file_open_tmp (tmpl, + &filename, + &err); + + g_free (tmpl); + + if (err != NULL) + { + meta_warning (_("Failed to open debug log: %s\n"), + err->message); + g_error_free (err); + return; + } + + logfile = fdopen (fd, "w"); + + if (logfile == NULL) + { + meta_warning (_("Failed to fdopen() log file %s: %s\n"), + filename, strerror (errno)); + close (fd); + } + else + { + g_printerr (_("Opened log file %s\n"), filename); + } + + g_free (filename); + } +} +#endif + +gboolean +meta_is_verbose (void) +{ + return is_verbose; +} + +void +meta_set_verbose (gboolean setting) +{ +#ifndef WITH_VERBOSE_MODE + if (setting) + meta_fatal (_("Marco was compiled without support for verbose mode\n")); +#else + if (setting) + ensure_logfile (); +#endif + + is_verbose = setting; +} + +gboolean +meta_is_debugging (void) +{ + return is_debugging; +} + +void +meta_set_debugging (gboolean setting) +{ +#ifdef WITH_VERBOSE_MODE + if (setting) + ensure_logfile (); +#endif + + is_debugging = setting; +} + +gboolean +meta_get_replace_current_wm (void) +{ + return replace_current; +} + +void +meta_set_replace_current_wm (gboolean setting) +{ + replace_current = setting; +} + +char * +meta_g_utf8_strndup (const gchar *src, + gsize n) +{ + const gchar *s = src; + while (n && *s) + { + s = g_utf8_next_char (s); + n--; + } + + return g_strndup (src, s - src); +} + +static int +utf8_fputs (const char *str, + FILE *f) +{ + char *l; + int retval; + + l = g_locale_from_utf8 (str, -1, NULL, NULL, NULL); + + if (l == NULL) + retval = fputs (str, f); /* just print it anyway, better than nothing */ + else + retval = fputs (l, f); + + g_free (l); + + return retval; +} + +void +meta_free_gslist_and_elements (GSList *list_to_deep_free) +{ + g_slist_foreach (list_to_deep_free, + (void (*)(gpointer,gpointer))&g_free, /* ew, for ugly */ + NULL); + g_slist_free (list_to_deep_free); +} + +#ifdef WITH_VERBOSE_MODE +void +meta_debug_spew_real (const char *format, ...) +{ + va_list args; + gchar *str; + FILE *out; + + g_return_if_fail (format != NULL); + + if (!is_debugging) + return; + + va_start (args, format); + str = g_strdup_vprintf (format, args); + va_end (args); + + out = logfile ? logfile : stderr; + + if (no_prefix == 0) + utf8_fputs (_("Window manager: "), out); + utf8_fputs (str, out); + + fflush (out); + + g_free (str); +} +#endif /* WITH_VERBOSE_MODE */ + +#ifdef WITH_VERBOSE_MODE +void +meta_verbose_real (const char *format, ...) +{ + va_list args; + gchar *str; + FILE *out; + + g_return_if_fail (format != NULL); + + if (!is_verbose) + return; + + va_start (args, format); + str = g_strdup_vprintf (format, args); + va_end (args); + + out = logfile ? logfile : stderr; + + if (no_prefix == 0) + utf8_fputs ("Window manager: ", out); + utf8_fputs (str, out); + + fflush (out); + + g_free (str); +} +#endif /* WITH_VERBOSE_MODE */ + +#ifdef WITH_VERBOSE_MODE +static const char* +topic_name (MetaDebugTopic topic) +{ + switch (topic) + { + case META_DEBUG_FOCUS: + return "FOCUS"; + case META_DEBUG_WORKAREA: + return "WORKAREA"; + case META_DEBUG_STACK: + return "STACK"; + case META_DEBUG_THEMES: + return "THEMES"; + case META_DEBUG_SM: + return "SM"; + case META_DEBUG_EVENTS: + return "EVENTS"; + case META_DEBUG_WINDOW_STATE: + return "WINDOW_STATE"; + case META_DEBUG_WINDOW_OPS: + return "WINDOW_OPS"; + case META_DEBUG_PLACEMENT: + return "PLACEMENT"; + case META_DEBUG_GEOMETRY: + return "GEOMETRY"; + case META_DEBUG_PING: + return "PING"; + case META_DEBUG_XINERAMA: + return "XINERAMA"; + case META_DEBUG_KEYBINDINGS: + return "KEYBINDINGS"; + case META_DEBUG_SYNC: + return "SYNC"; + case META_DEBUG_ERRORS: + return "ERRORS"; + case META_DEBUG_STARTUP: + return "STARTUP"; + case META_DEBUG_PREFS: + return "PREFS"; + case META_DEBUG_GROUPS: + return "GROUPS"; + case META_DEBUG_RESIZING: + return "RESIZING"; + case META_DEBUG_SHAPES: + return "SHAPES"; + case META_DEBUG_COMPOSITOR: + return "COMPOSITOR"; + case META_DEBUG_EDGE_RESISTANCE: + return "EDGE_RESISTANCE"; + } + + return "WM"; +} + +static int sync_count = 0; + +void +meta_topic_real (MetaDebugTopic topic, + const char *format, + ...) +{ + va_list args; + gchar *str; + FILE *out; + + g_return_if_fail (format != NULL); + + if (!is_verbose) + return; + + va_start (args, format); + str = g_strdup_vprintf (format, args); + va_end (args); + + out = logfile ? logfile : stderr; + + if (no_prefix == 0) + fprintf (out, "%s: ", topic_name (topic)); + + if (topic == META_DEBUG_SYNC) + { + ++sync_count; + fprintf (out, "%d: ", sync_count); + } + + utf8_fputs (str, out); + + fflush (out); + + g_free (str); +} +#endif /* WITH_VERBOSE_MODE */ + +void +meta_bug (const char *format, ...) +{ + va_list args; + gchar *str; + FILE *out; + + g_return_if_fail (format != NULL); + + va_start (args, format); + str = g_strdup_vprintf (format, args); + va_end (args); + +#ifdef WITH_VERBOSE_MODE + out = logfile ? logfile : stderr; +#else + out = stderr; +#endif + + if (no_prefix == 0) + utf8_fputs (_("Bug in window manager: "), out); + utf8_fputs (str, out); + + fflush (out); + + g_free (str); + + meta_print_backtrace (); + + /* stop us in a debugger */ + abort (); +} + +void +meta_warning (const char *format, ...) +{ + va_list args; + gchar *str; + FILE *out; + + g_return_if_fail (format != NULL); + + va_start (args, format); + str = g_strdup_vprintf (format, args); + va_end (args); + +#ifdef WITH_VERBOSE_MODE + out = logfile ? logfile : stderr; +#else + out = stderr; +#endif + + if (no_prefix == 0) + utf8_fputs (_("Window manager warning: "), out); + utf8_fputs (str, out); + + fflush (out); + + g_free (str); +} + +void +meta_fatal (const char *format, ...) +{ + va_list args; + gchar *str; + FILE *out; + + g_return_if_fail (format != NULL); + + va_start (args, format); + str = g_strdup_vprintf (format, args); + va_end (args); + +#ifdef WITH_VERBOSE_MODE + out = logfile ? logfile : stderr; +#else + out = stderr; +#endif + + if (no_prefix == 0) + utf8_fputs (_("Window manager error: "), out); + utf8_fputs (str, out); + + fflush (out); + + g_free (str); + + meta_exit (META_EXIT_ERROR); +} + +void +meta_push_no_msg_prefix (void) +{ + ++no_prefix; +} + +void +meta_pop_no_msg_prefix (void) +{ + g_return_if_fail (no_prefix > 0); + + --no_prefix; +} + +void +meta_exit (MetaExitCode code) +{ + + exit (code); +} + +gint +meta_unsigned_long_equal (gconstpointer v1, + gconstpointer v2) +{ + return *((const gulong*) v1) == *((const gulong*) v2); +} + +guint +meta_unsigned_long_hash (gconstpointer v) +{ + gulong val = * (const gulong *) v; + + /* I'm not sure this works so well. */ +#if GLIB_SIZEOF_LONG > 4 + return (guint) (val ^ (val >> 32)); +#else + return val; +#endif +} + +const char* +meta_gravity_to_string (int gravity) +{ + switch (gravity) + { + case NorthWestGravity: + return "NorthWestGravity"; + break; + case NorthGravity: + return "NorthGravity"; + break; + case NorthEastGravity: + return "NorthEastGravity"; + break; + case WestGravity: + return "WestGravity"; + break; + case CenterGravity: + return "CenterGravity"; + break; + case EastGravity: + return "EastGravity"; + break; + case SouthWestGravity: + return "SouthWestGravity"; + break; + case SouthGravity: + return "SouthGravity"; + break; + case SouthEastGravity: + return "SouthEastGravity"; + break; + case StaticGravity: + return "StaticGravity"; + break; + default: + return "NorthWestGravity"; + break; + } +} + +GPid +meta_show_dialog (const char *type, + const char *message, + const char *timeout, + const gint screen_number, + const char *ok_text, + const char *cancel_text, + const int transient_for, + GSList *columns, + GSList *entries) +{ + GError *error = NULL; + char *screen_number_text = g_strdup_printf("%d", screen_number); + GSList *tmp; + int i=0; + GPid child_pid; + const char **argvl = g_malloc(sizeof (char*) * + (17 + + g_slist_length (columns)*2 + + g_slist_length (entries))); + + argvl[i++] = "matedialog"; + argvl[i++] = type; + argvl[i++] = "--screen"; + argvl[i++] = screen_number_text; + argvl[i++] = "--class"; + argvl[i++] = "marco-dialog"; + argvl[i++] = "--title"; + /* Translators: This is the title used on dialog boxes */ + argvl[i++] = _("Marco"); + argvl[i++] = "--text"; + argvl[i++] = message; + + if (timeout) + { + argvl[i++] = "--timeout"; + argvl[i++] = timeout; + } + + if (ok_text) + { + argvl[i++] = "--ok-label"; + argvl[i++] = ok_text; + } + + if (cancel_text) + { + argvl[i++] = "--cancel-label"; + argvl[i++] = cancel_text; + } + + tmp = columns; + while (tmp) + { + argvl[i++] = "--column"; + argvl[i++] = tmp->data; + tmp = tmp->next; + } + + tmp = entries; + while (tmp) + { + argvl[i++] = tmp->data; + tmp = tmp->next; + } + + argvl[i] = NULL; + + if (transient_for) + { + gchar *env = g_strdup_printf("%d", transient_for); + setenv ("WINDOWID", env, 1); + g_free (env); + } + + g_spawn_async ( + "/", + (gchar**) argvl, /* ugh */ + NULL, + G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD, + NULL, NULL, + &child_pid, + &error + ); + + if (transient_for) + unsetenv ("WINDOWID"); + + g_free (argvl); + g_free (screen_number_text); + + if (error) + { + meta_warning ("%s\n", error->message); + g_error_free (error); + } + + return child_pid; +} +/* eof util.c */ + |