Moved from Mate-Extra repository

1 files changed, 630 insertions, 0 deletions

diff --git a/logview/logview-prefs.c b/logview/logview-prefs.c
new file mode 100644
index 00000000..2ce0aa81
--- /dev/null
+++ b/logview/logview-prefs.c
@@ -0,0 +1,630 @@
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
+/* logview-prefs.c - logview user preferences handling
+ *
+ * Copyright (C) 1998  Cesar Miquel  <[email protected]>
+ * Copyright (C) 2004  Vincent Noel
+ * Copyright (C) 2006  Emmanuele Bassi
+ * Copyright (C) 2008  Cosimo Cecchi <[email protected]>
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <sys/stat.h>
+#include <string.h>
+#include <gtk/gtk.h>
+#include <mateconf/mateconf-client.h>
+
+#include "logview-prefs.h"
+
+#define LOGVIEW_DEFAULT_HEIGHT 400
+#define LOGVIEW_DEFAULT_WIDTH 600
+
+/* logview settings */
+#define MATECONF_DIR 		"/apps/mate-system-log"
+#define MATECONF_WIDTH_KEY 	MATECONF_DIR "/width"
+#define MATECONF_HEIGHT_KEY 	MATECONF_DIR "/height"
+#define MATECONF_LOGFILE 		MATECONF_DIR "/logfile"
+#define MATECONF_LOGFILES 		MATECONF_DIR "/logfiles"
+#define MATECONF_FONTSIZE_KEY 	MATECONF_DIR "/fontsize"
+#define MATECONF_FILTERS     MATECONF_DIR "/filters"
+
+/* desktop-wide settings */
+#define MATECONF_MONOSPACE_FONT_NAME "/desktop/mate/interface/monospace_font_name"
+#define MATECONF_MENUS_HAVE_TEAROFF  "/desktop/mate/interface/menus_have_tearoff"
+
+static LogviewPrefs *singleton = NULL;
+
+enum {
+  SYSTEM_FONT_CHANGED,
+  HAVE_TEAROFF_CHANGED,
+  LAST_SIGNAL
+};
+
+enum {
+  FILTER_NAME,
+  FILTER_INVISIBLE,
+  FILTER_FOREGROUND,
+  FILTER_BACKGROUND,
+  FILTER_REGEX,
+  MAX_TOKENS
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+#define GET_PRIVATE(o) \
+  (G_TYPE_INSTANCE_GET_PRIVATE ((o), LOGVIEW_TYPE_PREFS, LogviewPrefsPrivate))
+
+struct _LogviewPrefsPrivate {
+  MateConfClient *client;
+
+  guint size_store_timeout;
+
+  GHashTable *filters;
+};
+
+typedef struct {
+  int width;
+  int height;
+} WindowSize;
+
+G_DEFINE_TYPE (LogviewPrefs, logview_prefs, G_TYPE_OBJECT);
+
+static void
+do_finalize (GObject *obj)
+{
+  LogviewPrefs *prefs = LOGVIEW_PREFS (obj);
+
+  g_hash_table_destroy (prefs->priv->filters);
+
+  g_object_unref (prefs->priv->client);
+
+  G_OBJECT_CLASS (logview_prefs_parent_class)->finalize (obj);
+}
+
+static void
+logview_prefs_class_init (LogviewPrefsClass *klass)
+{
+  GObjectClass *oclass = G_OBJECT_CLASS (klass);
+
+  oclass->finalize = do_finalize;
+
+  signals[SYSTEM_FONT_CHANGED] = g_signal_new ("system-font-changed",
+                                               G_OBJECT_CLASS_TYPE (oclass),
+                                               G_SIGNAL_RUN_LAST,
+                                               G_STRUCT_OFFSET (LogviewPrefsClass, system_font_changed),
+                                               NULL, NULL,
+                                               g_cclosure_marshal_VOID__STRING,
+                                               G_TYPE_NONE, 1,
+                                               G_TYPE_STRING);
+  signals[HAVE_TEAROFF_CHANGED] = g_signal_new ("have-tearoff-changed",
+                                                G_OBJECT_CLASS_TYPE (oclass),
+                                                G_SIGNAL_RUN_LAST,
+                                                G_STRUCT_OFFSET (LogviewPrefsClass, have_tearoff_changed),
+                                                NULL, NULL,
+                                                g_cclosure_marshal_VOID__BOOLEAN,
+                                                G_TYPE_NONE, 1,
+                                                G_TYPE_BOOLEAN);
+
+  g_type_class_add_private (klass, sizeof (LogviewPrefsPrivate));
+}
+
+static void
+have_tearoff_changed_cb (MateConfClient *client,
+                         guint id,
+                         MateConfEntry *entry,
+                         gpointer data)
+{
+  LogviewPrefs *prefs = data;
+
+  if (entry->value && (entry->value->type == MATECONF_VALUE_BOOL)) {
+    gboolean add_tearoffs;
+
+    add_tearoffs = mateconf_value_get_bool (entry->value);
+    g_signal_emit (prefs, signals[HAVE_TEAROFF_CHANGED], 0, add_tearoffs, NULL);
+  }
+}
+
+static void
+monospace_font_changed_cb (MateConfClient *client,
+                           guint id,
+                           MateConfEntry *entry,
+                           gpointer data)
+{
+  LogviewPrefs *prefs = data;
+
+  if (entry->value && (entry->value->type == MATECONF_VALUE_STRING)) {
+    const gchar *monospace_font_name;
+
+    monospace_font_name = mateconf_value_get_string (entry->value);
+    g_signal_emit (prefs, signals[SYSTEM_FONT_CHANGED], 0, monospace_font_name, NULL);
+  }
+}
+
+static gboolean
+size_store_timeout_cb (gpointer data)
+{
+  WindowSize *size = data;
+  LogviewPrefs *prefs = logview_prefs_get ();
+
+  if (size->width > 0 && size->height > 0) {
+    if (mateconf_client_key_is_writable (prefs->priv->client, MATECONF_WIDTH_KEY, NULL))
+      mateconf_client_set_int (prefs->priv->client,
+                            MATECONF_WIDTH_KEY,
+                            size->width,
+                            NULL);
+
+    if (mateconf_client_key_is_writable (prefs->priv->client, MATECONF_HEIGHT_KEY, NULL))
+      mateconf_client_set_int (prefs->priv->client,
+                            MATECONF_HEIGHT_KEY,
+                            size->height,
+                            NULL);
+  }
+
+  /* reset the source id */
+  prefs->priv->size_store_timeout = 0;
+
+  g_free (size);
+
+  return FALSE;
+}
+
+#define DELIMITER ":"
+
+static void
+load_filters (LogviewPrefs *prefs)
+{
+  GSList *node; 
+  GSList *filters;
+  gchar **tokens;
+  LogviewFilter *filter;
+  GtkTextTag *tag;
+  GdkColor color;
+
+  filters = mateconf_client_get_list (prefs->priv->client,
+                                   MATECONF_FILTERS,
+                                   MATECONF_VALUE_STRING,
+                                   NULL);
+
+  prefs->priv->filters = g_hash_table_new_full (g_str_hash, g_str_equal,
+                                                (GDestroyNotify) g_free,
+                                                (GDestroyNotify) g_object_unref);
+
+  for (node = filters; node != NULL; node = g_slist_next (node)) {
+    tokens = g_strsplit (node->data, DELIMITER, MAX_TOKENS);
+    filter = logview_filter_new (tokens[FILTER_NAME], tokens[FILTER_REGEX]);
+    tag = gtk_text_tag_new (tokens[FILTER_NAME]);
+
+    g_object_set (tag, "invisible",
+                  g_str_equal (tokens[FILTER_INVISIBLE], "1"), NULL);
+
+    if (strlen (tokens[FILTER_FOREGROUND])) {
+      gdk_color_parse (tokens[FILTER_FOREGROUND], &color);
+      g_object_set (tag, "foreground-gdk", &color, 
+                    "foreground-set", TRUE, NULL);
+    }
+
+    if (strlen (tokens[FILTER_BACKGROUND])) {
+      gdk_color_parse (tokens[FILTER_BACKGROUND], &color);
+      g_object_set (tag, "paragraph-background-gdk", &color, 
+                    "paragraph-background-set", TRUE, NULL);
+    }
+
+    g_object_set (filter, "texttag", tag, NULL);
+    g_hash_table_insert (prefs->priv->filters, 
+                         g_strdup(tokens[FILTER_NAME]), 
+                         filter);
+
+    g_object_ref (filter);
+    g_object_unref (tag);
+    g_strfreev (tokens);
+  }
+
+  g_slist_foreach (filters, (GFunc) g_free, NULL);
+  g_slist_free (filters);
+}
+
+static void
+save_filter_foreach_func (gpointer key, gpointer value, gpointer user_data)
+{
+  GSList **filters;
+  const gchar *name;
+  LogviewFilter *filter;
+  GdkColor *foreground;
+  gboolean foreground_set;
+  GdkColor *background;
+  gboolean background_set;
+  gchar *regex, *color;
+  gboolean invisible;
+  GtkTextTag *tag;
+  GString *prefs_string;
+
+  filters = user_data;
+  filter = LOGVIEW_FILTER (value);
+  name = key;
+  color = NULL;
+
+  prefs_string = g_string_new (name);
+  g_string_append (prefs_string, DELIMITER);
+
+  g_object_get (filter,
+                "regex", &regex,
+                "texttag", &tag,
+                NULL);
+  g_object_get (tag,
+                "foreground-gdk", &foreground,
+                "paragraph-background-gdk", &background,
+                "foreground-set", &foreground_set,
+                "paragraph-background-set", &background_set,
+                "invisible", &invisible, NULL);
+
+  if (invisible) {
+    g_string_append (prefs_string, "1" DELIMITER);
+  } else {
+    g_string_append (prefs_string, "0" DELIMITER);
+  }
+
+  if (foreground_set) {
+    color = gdk_color_to_string (foreground);
+    g_string_append (prefs_string, color);
+    g_free (color);
+  }
+
+  if (foreground) {
+    gdk_color_free (foreground);
+  }
+
+  g_string_append (prefs_string, DELIMITER);
+
+  if (background_set) {
+    color = gdk_color_to_string (background);
+    g_string_append (prefs_string, color);
+    g_free (color);
+  }
+
+  if (background) {
+    gdk_color_free (background);
+  }
+
+  g_string_append (prefs_string, DELIMITER);
+  g_string_append (prefs_string, regex);
+
+  g_free (regex);
+  g_object_unref (tag);
+  
+  *filters = g_slist_prepend (*filters, g_string_free (prefs_string, FALSE));
+} 
+
+static void
+save_filters (LogviewPrefs *prefs)
+{
+  GSList *filters;
+
+  filters = NULL;
+
+  g_hash_table_foreach (prefs->priv->filters,
+                        save_filter_foreach_func,
+                        &filters);
+  mateconf_client_set_list (prefs->priv->client,
+                         MATECONF_FILTERS,
+                         MATECONF_VALUE_STRING,
+                         filters, NULL);
+
+  g_slist_foreach (filters, (GFunc) g_free, NULL);
+  g_slist_free (filters);
+}
+
+static void
+get_filters_foreach (gpointer key, gpointer value, gpointer user_data)
+{
+  GList **list;
+  list = user_data;
+  *list = g_list_append (*list, value);
+}
+
+static void
+logview_prefs_init (LogviewPrefs *self)
+{
+  LogviewPrefsPrivate *priv;
+
+  priv = self->priv = GET_PRIVATE (self);
+
+  priv->client = mateconf_client_get_default ();
+  priv->size_store_timeout = 0;
+
+  mateconf_client_notify_add (priv->client,
+                           MATECONF_MONOSPACE_FONT_NAME,
+                           (MateConfClientNotifyFunc) monospace_font_changed_cb,
+                           self, NULL, NULL);
+  mateconf_client_notify_add (priv->client,
+                           MATECONF_MENUS_HAVE_TEAROFF,
+                           (MateConfClientNotifyFunc) have_tearoff_changed_cb,
+                           self, NULL, NULL);
+
+  load_filters (self);
+}
+
+/* public methods */
+
+LogviewPrefs *
+logview_prefs_get ()
+{
+  if (!singleton)
+    singleton = g_object_new (LOGVIEW_TYPE_PREFS, NULL);
+
+  return singleton;
+}
+
+void
+logview_prefs_store_window_size (LogviewPrefs *prefs,
+                                 int width, int height)
+{
+  /* we want to be smart here: since we will get a lot of configure events
+   * while resizing, we schedule the real MateConf storage in a timeout.
+   */
+  WindowSize *size;
+
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+
+  size = g_new0 (WindowSize, 1);
+  size->width = width;
+  size->height = height;
+
+  if (prefs->priv->size_store_timeout != 0) {
+    /* reschedule the timeout */
+    g_source_remove (prefs->priv->size_store_timeout);
+    prefs->priv->size_store_timeout = 0;
+  }
+
+  prefs->priv->size_store_timeout = g_timeout_add (200,
+                                                   size_store_timeout_cb,
+                                                   size);
+}
+
+void
+logview_prefs_get_stored_window_size (LogviewPrefs *prefs,
+                                      int *width, int *height)
+{
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+
+  *width = mateconf_client_get_int (prefs->priv->client,
+                                 MATECONF_WIDTH_KEY,
+                                 NULL);
+
+  *height = mateconf_client_get_int (prefs->priv->client,
+                                  MATECONF_HEIGHT_KEY,
+                                  NULL);
+
+  if ((*width == 0) ^ (*height == 0)) {
+    /* if one of the two failed, return default for both */
+    *width = LOGVIEW_DEFAULT_WIDTH;
+    *height = LOGVIEW_DEFAULT_HEIGHT;
+  }
+}
+
+char *
+logview_prefs_get_monospace_font_name (LogviewPrefs *prefs)
+{
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+
+  return (mateconf_client_get_string (prefs->priv->client, MATECONF_MONOSPACE_FONT_NAME, NULL));
+}
+
+gboolean
+logview_prefs_get_have_tearoff (LogviewPrefs *prefs)
+{
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+
+	return (mateconf_client_get_bool (prefs->priv->client, MATECONF_MENUS_HAVE_TEAROFF, NULL));
+}
+
+/* the elements should be freed with g_free () */
+
+GSList *
+logview_prefs_get_stored_logfiles (LogviewPrefs *prefs)
+{
+  GSList *retval;
+
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+
+  retval = mateconf_client_get_list (prefs->priv->client,
+                                  MATECONF_LOGFILES,
+                                  MATECONF_VALUE_STRING,
+                                  NULL);
+  return retval;
+}
+
+void
+logview_prefs_store_log (LogviewPrefs *prefs, GFile *file)
+{
+  GSList *stored_logs, *l;
+  GFile *stored;
+  gboolean found = FALSE;
+
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+  g_assert (G_IS_FILE (file));
+
+  stored_logs = logview_prefs_get_stored_logfiles (prefs);
+
+  for (l = stored_logs; l; l = l->next) {
+    stored = g_file_parse_name (l->data);
+    if (g_file_equal (file, stored)) {
+      found = TRUE;
+    }
+
+    g_object_unref (stored);
+
+    if (found) {
+      break;
+    }
+  }
+
+  if (!found) {
+    stored_logs = g_slist_prepend (stored_logs, g_file_get_parse_name (file));
+    mateconf_client_set_list (prefs->priv->client,
+                           MATECONF_LOGFILES,
+                           MATECONF_VALUE_STRING,
+                           stored_logs,
+                           NULL);
+  }
+
+  /* the string list is copied */
+  g_slist_foreach (stored_logs, (GFunc) g_free, NULL);
+  g_slist_free (stored_logs);
+}
+
+void
+logview_prefs_remove_stored_log (LogviewPrefs *prefs, GFile *target)
+{
+  GSList *stored_logs, *l, *removed = NULL;
+  GFile *stored;
+
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+  g_assert (G_IS_FILE (target));
+
+  stored_logs = logview_prefs_get_stored_logfiles (prefs);
+
+  for (l = stored_logs; l; l = l->next) {
+    stored = g_file_parse_name (l->data);
+    if (g_file_equal (stored, target)) {
+      removed = l;
+      stored_logs = g_slist_remove_link (stored_logs, l);
+    }
+
+    g_object_unref (stored);
+
+    if (removed) {
+      break;
+    }
+  }
+
+  if (removed) {
+    mateconf_client_set_list (prefs->priv->client,
+                           MATECONF_LOGFILES,
+                           MATECONF_VALUE_STRING,
+                           stored_logs,
+                           NULL);
+  }
+
+  /* the string list is copied */
+  g_slist_foreach (stored_logs, (GFunc) g_free, NULL);
+  g_slist_free (stored_logs);
+
+  if (removed) {
+    g_free (removed->data);
+    g_slist_free (removed);
+  }
+}
+
+void
+logview_prefs_store_fontsize (LogviewPrefs *prefs, int fontsize)
+{
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+  g_assert (fontsize > 0);
+
+  if (mateconf_client_key_is_writable (prefs->priv->client, MATECONF_FONTSIZE_KEY, NULL)) {
+    mateconf_client_set_int (prefs->priv->client,
+                          MATECONF_FONTSIZE_KEY,
+                          fontsize, NULL);
+  }
+}
+
+int
+logview_prefs_get_stored_fontsize (LogviewPrefs *prefs)
+{
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+
+	return mateconf_client_get_int (prefs->priv->client, MATECONF_FONTSIZE_KEY, NULL);
+}
+
+void
+logview_prefs_store_active_logfile (LogviewPrefs *prefs,
+                                    const char *filename)
+{
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+
+  if (mateconf_client_key_is_writable (prefs->priv->client, MATECONF_LOGFILE, NULL)) {
+    mateconf_client_set_string (prefs->priv->client,
+                             MATECONF_LOGFILE,
+                             filename,
+                             NULL);
+  }
+}
+
+char *
+logview_prefs_get_active_logfile (LogviewPrefs *prefs)
+{
+  char *filename;
+
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+
+  filename = mateconf_client_get_string (prefs->priv->client, MATECONF_LOGFILE, NULL);
+
+  return filename;
+}
+
+GList *
+logview_prefs_get_filters (LogviewPrefs *prefs)
+{
+  GList *filters = NULL;
+
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+
+  g_hash_table_foreach (prefs->priv->filters,
+                        get_filters_foreach,
+                        &filters);
+
+  return filters;
+}
+
+void
+logview_prefs_remove_filter (LogviewPrefs *prefs,
+                             const gchar *name)
+{
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+
+  g_hash_table_remove (prefs->priv->filters,
+                       name);
+
+  save_filters (prefs);
+}
+
+void
+logview_prefs_add_filter (LogviewPrefs *prefs,
+                          LogviewFilter *filter)
+{
+  gchar* name;
+
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+  g_assert (LOGVIEW_IS_FILTER (filter));
+
+  g_object_get (filter, "name", &name, NULL);
+  g_hash_table_insert (prefs->priv->filters, name, g_object_ref (filter));
+
+  save_filters (prefs);
+}
+
+LogviewFilter *
+logview_prefs_get_filter (LogviewPrefs *prefs,
+                          const gchar *name)
+{
+  g_assert (LOGVIEW_IS_PREFS (prefs));
+
+  return g_hash_table_lookup (prefs->priv->filters, name);
+}
+