moving from https://github.com/perberos/mate-desktop-environment

author: Perberos <[email protected]> 2011-12-01 23:52:01 -0300
committer: Perberos <[email protected]> 2011-12-01 23:52:01 -0300
commit: 28a029a4990d2a84f9d6a0b890eba812ea503998 (patch)
tree: 7a69477d0dd6bf351801fa9698d95224e4fe47b6 /src/core/util.c
download: marco-28a029a4990d2a84f9d6a0b890eba812ea503998.tar.bz2
marco-28a029a4990d2a84f9d6a0b890eba812ea503998.tar.xz
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 */
+
author	Perberos <[email protected]>	2011-12-01 23:52:01 -0300
committer	Perberos <[email protected]>	2011-12-01 23:52:01 -0300
commit	28a029a4990d2a84f9d6a0b890eba812ea503998 (patch)
tree	7a69477d0dd6bf351801fa9698d95224e4fe47b6 /src/core/util.c
download	marco-28a029a4990d2a84f9d6a0b890eba812ea503998.tar.bz2 marco-28a029a4990d2a84f9d6a0b890eba812ea503998.tar.xz