/*
* gedit-document.c
* This file is part of gedit
*
* Copyright (C) 1998, 1999 Alex Roberts, Evan Lawrence
* Copyright (C) 2000, 2001 Chema Celorio, Paolo Maggi
* Copyright (C) 2002-2005 Paolo Maggi
* Copyright (C) 2014-2020 Sébastien Wilmet
*
* 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, see .
*/
#include "config.h"
#include "gedit-document.h"
#include "gedit-document-private.h"
#include
#include
#include "gedit-settings.h"
#include "gedit-debug.h"
#include "gedit-utils.h"
#define NO_LANGUAGE_NAME "_NORMAL_"
static void gedit_document_loaded_real (GeditDocument *doc);
static void gedit_document_saved_real (GeditDocument *doc);
static void set_content_type (GeditDocument *doc,
const gchar *content_type);
typedef struct
{
GtkSourceFile *file;
TeplMetadata *metadata;
gchar *content_type;
GDateTime *time_of_last_save_or_load;
/* The search context for the incremental search, or the search and
* replace. They are mutually exclusive.
*/
GtkSourceSearchContext *search_context;
guint language_set_by_user : 1;
/* The search is empty if there is no search context, or if the
* search text is empty. It is used for the sensitivity of some menu
* actions.
*/
guint empty_search : 1;
/* Create file if location points to a non existing file (for example
* when opened from the command line).
*/
guint create : 1;
} GeditDocumentPrivate;
enum
{
PROP_0,
PROP_CONTENT_TYPE,
PROP_MIME_TYPE,
PROP_EMPTY_SEARCH,
N_PROPERTIES
};
enum
{
SIGNAL_LOAD,
SIGNAL_LOADED,
SIGNAL_SAVE,
SIGNAL_SAVED,
N_SIGNALS
};
static GParamSpec *properties[N_PROPERTIES];
static guint document_signals[N_SIGNALS];
G_DEFINE_TYPE_WITH_PRIVATE (GeditDocument, gedit_document, TEPL_TYPE_BUFFER)
static void
load_metadata_from_metadata_manager (GeditDocument *doc)
{
GeditDocumentPrivate *priv = gedit_document_get_instance_private (doc);
GFile *location;
location = gtk_source_file_get_location (priv->file);
if (location != NULL)
{
TeplMetadataManager *manager;
manager = tepl_metadata_manager_get_singleton ();
tepl_metadata_manager_copy_from (manager, location, priv->metadata);
}
}
static void
save_metadata_into_metadata_manager (GeditDocument *doc)
{
GeditDocumentPrivate *priv = gedit_document_get_instance_private (doc);
GFile *location;
location = gtk_source_file_get_location (priv->file);
if (location != NULL)
{
TeplMetadataManager *manager;
manager = tepl_metadata_manager_get_singleton ();
tepl_metadata_manager_merge_into (manager, location, priv->metadata);
}
}
static void
update_time_of_last_save_or_load (GeditDocument *doc)
{
GeditDocumentPrivate *priv = gedit_document_get_instance_private (doc);
if (priv->time_of_last_save_or_load != NULL)
{
g_date_time_unref (priv->time_of_last_save_or_load);
}
priv->time_of_last_save_or_load = g_date_time_new_now_utc ();
}
static const gchar *
get_language_string (GeditDocument *doc)
{
GtkSourceLanguage *lang = gtk_source_buffer_get_language (GTK_SOURCE_BUFFER (doc));
return lang != NULL ? gtk_source_language_get_id (lang) : NO_LANGUAGE_NAME;
}
static void
save_metadata (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
const gchar *language = NULL;
GtkTextIter iter;
gchar *position;
priv = gedit_document_get_instance_private (doc);
if (priv->language_set_by_user)
{
language = get_language_string (doc);
}
gtk_text_buffer_get_iter_at_mark (GTK_TEXT_BUFFER (doc),
&iter,
gtk_text_buffer_get_insert (GTK_TEXT_BUFFER (doc)));
position = g_strdup_printf ("%d", gtk_text_iter_get_offset (&iter));
if (language == NULL)
{
gedit_document_set_metadata (doc,
GEDIT_METADATA_ATTRIBUTE_POSITION, position,
NULL);
}
else
{
gedit_document_set_metadata (doc,
GEDIT_METADATA_ATTRIBUTE_POSITION, position,
GEDIT_METADATA_ATTRIBUTE_LANGUAGE, language,
NULL);
}
g_free (position);
}
static void
gedit_document_dispose (GObject *object)
{
GeditDocument *doc = GEDIT_DOCUMENT (object);
GeditDocumentPrivate *priv = gedit_document_get_instance_private (doc);
gedit_debug (DEBUG_DOCUMENT);
/* Metadata must be saved here and not in finalize because the language
* is gone by the time finalize runs.
*/
if (priv->metadata != NULL)
{
save_metadata (doc);
g_object_unref (priv->metadata);
priv->metadata = NULL;
}
g_clear_object (&priv->file);
g_clear_object (&priv->search_context);
G_OBJECT_CLASS (gedit_document_parent_class)->dispose (object);
}
static void
gedit_document_finalize (GObject *object)
{
GeditDocumentPrivate *priv = gedit_document_get_instance_private (GEDIT_DOCUMENT (object));
gedit_debug (DEBUG_DOCUMENT);
g_free (priv->content_type);
if (priv->time_of_last_save_or_load != NULL)
{
g_date_time_unref (priv->time_of_last_save_or_load);
}
G_OBJECT_CLASS (gedit_document_parent_class)->finalize (object);
}
static void
gedit_document_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GeditDocument *doc = GEDIT_DOCUMENT (object);
GeditDocumentPrivate *priv = gedit_document_get_instance_private (doc);
switch (prop_id)
{
case PROP_CONTENT_TYPE:
g_value_take_string (value, gedit_document_get_content_type (doc));
break;
case PROP_MIME_TYPE:
g_value_take_string (value, gedit_document_get_mime_type (doc));
break;
case PROP_EMPTY_SEARCH:
g_value_set_boolean (value, priv->empty_search);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gedit_document_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GeditDocument *doc = GEDIT_DOCUMENT (object);
switch (prop_id)
{
case PROP_CONTENT_TYPE:
set_content_type (doc, g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gedit_document_constructed (GObject *object)
{
GeditDocument *doc = GEDIT_DOCUMENT (object);
GeditSettings *settings;
GSettings *editor_settings;
settings = _gedit_settings_get_singleton ();
editor_settings = _gedit_settings_peek_editor_settings (settings);
/* Bind construct properties. */
g_settings_bind (editor_settings, GEDIT_SETTINGS_ENSURE_TRAILING_NEWLINE,
doc, "implicit-trailing-newline",
G_SETTINGS_BIND_GET | G_SETTINGS_BIND_NO_SENSITIVITY);
G_OBJECT_CLASS (gedit_document_parent_class)->constructed (object);
}
static void
gedit_document_class_init (GeditDocumentClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gedit_document_dispose;
object_class->finalize = gedit_document_finalize;
object_class->get_property = gedit_document_get_property;
object_class->set_property = gedit_document_set_property;
object_class->constructed = gedit_document_constructed;
klass->loaded = gedit_document_loaded_real;
klass->saved = gedit_document_saved_real;
/**
* GeditDocument:content-type:
*
* The document's content type.
*/
properties[PROP_CONTENT_TYPE] =
g_param_spec_string ("content-type",
"content-type",
"",
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
/**
* GeditDocument:mime-type:
*
* The document's MIME type.
*/
properties[PROP_MIME_TYPE] =
g_param_spec_string ("mime-type",
"mime-type",
"",
"text/plain",
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* GeditDocument:empty-search:
*
*
* The property is used internally by gedit. It must not be used in a
* gedit plugin. The property can be modified or removed at any time.
*
*
* Whether the search is empty.
*/
properties[PROP_EMPTY_SEARCH] =
g_param_spec_boolean ("empty-search",
"empty-search",
"",
TRUE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPERTIES, properties);
/**
* GeditDocument::load:
* @document: the #GeditDocument.
*
* The "load" signal is emitted at the beginning of a file loading.
*
* Before gedit 3.14 this signal contained parameters to configure the
* file loading (the location, encoding, etc). Plugins should not need
* those parameters.
*/
document_signals[SIGNAL_LOAD] =
g_signal_new ("load",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GeditDocumentClass, load),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
/**
* GeditDocument::loaded:
* @document: the #GeditDocument.
*
* The "loaded" signal is emitted at the end of a successful file
* loading.
*
* Before gedit 3.14 this signal contained a #GError parameter, and the
* signal was also emitted if an error occurred. Plugins should not need
* the error parameter.
*/
document_signals[SIGNAL_LOADED] =
g_signal_new ("loaded",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GeditDocumentClass, loaded),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
/**
* GeditDocument::save:
* @document: the #GeditDocument.
*
* The "save" signal is emitted at the beginning of a file saving.
*
* Before gedit 3.14 this signal contained parameters to configure the
* file saving (the location, encoding, etc). Plugins should not need
* those parameters.
*/
document_signals[SIGNAL_SAVE] =
g_signal_new ("save",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GeditDocumentClass, save),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
/**
* GeditDocument::saved:
* @document: the #GeditDocument.
*
* The "saved" signal is emitted at the end of a successful file saving.
*
* Before gedit 3.14 this signal contained a #GError parameter, and the
* signal was also emitted if an error occurred. To save a document, a
* plugin can use the gedit_commands_save_document_async() function and
* get the result of the operation with
* gedit_commands_save_document_finish().
*/
document_signals[SIGNAL_SAVED] =
g_signal_new ("saved",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GeditDocumentClass, saved),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
}
static void
set_language (GeditDocument *doc,
GtkSourceLanguage *lang,
gboolean set_by_user)
{
GeditDocumentPrivate *priv;
GtkSourceLanguage *old_lang;
gedit_debug (DEBUG_DOCUMENT);
priv = gedit_document_get_instance_private (doc);
old_lang = gtk_source_buffer_get_language (GTK_SOURCE_BUFFER (doc));
if (old_lang == lang)
{
return;
}
gtk_source_buffer_set_language (GTK_SOURCE_BUFFER (doc), lang);
if (set_by_user)
{
const gchar *language = get_language_string (doc);
gedit_document_set_metadata (doc,
GEDIT_METADATA_ATTRIBUTE_LANGUAGE, language,
NULL);
}
priv->language_set_by_user = set_by_user;
}
static void
save_encoding_metadata (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
const GtkSourceEncoding *encoding;
const gchar *charset;
gedit_debug (DEBUG_DOCUMENT);
priv = gedit_document_get_instance_private (doc);
encoding = gtk_source_file_get_encoding (priv->file);
if (encoding == NULL)
{
encoding = gtk_source_encoding_get_utf8 ();
}
charset = gtk_source_encoding_get_charset (encoding);
gedit_document_set_metadata (doc,
GEDIT_METADATA_ATTRIBUTE_ENCODING, charset,
NULL);
}
static GtkSourceLanguage *
guess_language (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
gchar *data;
GtkSourceLanguageManager *manager = gtk_source_language_manager_get_default ();
GtkSourceLanguage *language = NULL;
priv = gedit_document_get_instance_private (doc);
data = gedit_document_get_metadata (doc, GEDIT_METADATA_ATTRIBUTE_LANGUAGE);
if (data != NULL)
{
gedit_debug_message (DEBUG_DOCUMENT, "Language from metadata: %s", data);
if (!g_str_equal (data, NO_LANGUAGE_NAME))
{
language = gtk_source_language_manager_get_language (manager, data);
}
g_free (data);
}
else
{
GFile *location;
gchar *basename = NULL;
location = gtk_source_file_get_location (priv->file);
gedit_debug_message (DEBUG_DOCUMENT, "Sniffing Language");
if (location != NULL)
{
basename = g_file_get_basename (location);
}
language = gtk_source_language_manager_guess_language (manager,
basename,
priv->content_type);
g_free (basename);
}
return language;
}
static void
on_content_type_changed (GeditDocument *doc,
GParamSpec *pspec,
gpointer useless)
{
GeditDocumentPrivate *priv;
priv = gedit_document_get_instance_private (doc);
if (!priv->language_set_by_user)
{
GtkSourceLanguage *language = guess_language (doc);
gedit_debug_message (DEBUG_DOCUMENT, "Language: %s",
language != NULL ? gtk_source_language_get_name (language) : "None");
set_language (doc, language, FALSE);
}
}
static gchar *
get_default_content_type (void)
{
return g_content_type_from_mime_type ("text/plain");
}
static void
on_location_changed (GtkSourceFile *file,
GParamSpec *pspec,
GeditDocument *doc)
{
gedit_debug (DEBUG_DOCUMENT);
load_metadata_from_metadata_manager (doc);
}
static void
gedit_document_init (GeditDocument *doc)
{
GeditDocumentPrivate *priv = gedit_document_get_instance_private (doc);
TeplFile *tepl_file;
GeditSettings *settings;
GSettings *editor_settings;
gedit_debug (DEBUG_DOCUMENT);
priv->content_type = get_default_content_type ();
priv->language_set_by_user = FALSE;
priv->empty_search = TRUE;
update_time_of_last_save_or_load (doc);
priv->file = gtk_source_file_new ();
tepl_file = tepl_buffer_get_file (TEPL_BUFFER (doc));
g_object_bind_property (priv->file, "location",
tepl_file, "location",
G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
priv->metadata = tepl_metadata_new ();
g_signal_connect_object (priv->file,
"notify::location",
G_CALLBACK (on_location_changed),
doc,
0);
settings = _gedit_settings_get_singleton ();
editor_settings = _gedit_settings_peek_editor_settings (settings);
g_settings_bind (editor_settings, GEDIT_SETTINGS_MAX_UNDO_ACTIONS,
doc, "max-undo-levels",
G_SETTINGS_BIND_GET | G_SETTINGS_BIND_NO_SENSITIVITY);
g_settings_bind (editor_settings, GEDIT_SETTINGS_SYNTAX_HIGHLIGHTING,
doc, "highlight-syntax",
G_SETTINGS_BIND_GET | G_SETTINGS_BIND_NO_SENSITIVITY);
g_settings_bind (editor_settings, GEDIT_SETTINGS_BRACKET_MATCHING,
doc, "highlight-matching-brackets",
G_SETTINGS_BIND_GET | G_SETTINGS_BIND_NO_SENSITIVITY);
tepl_buffer_provide_style_scheme_id_gsetting (TEPL_BUFFER (doc),
editor_settings, GEDIT_SETTINGS_SCHEME,
TRUE);
g_signal_connect (doc,
"notify::content-type",
G_CALLBACK (on_content_type_changed),
NULL);
}
GeditDocument *
gedit_document_new (void)
{
return g_object_new (GEDIT_TYPE_DOCUMENT, NULL);
}
static gchar *
get_content_type_from_content (GeditDocument *doc)
{
gchar *content_type;
gchar *data;
GtkTextBuffer *buffer;
GtkTextIter start;
GtkTextIter end;
buffer = GTK_TEXT_BUFFER (doc);
gtk_text_buffer_get_start_iter (buffer, &start);
end = start;
gtk_text_iter_forward_chars (&end, 255);
data = gtk_text_buffer_get_text (buffer, &start, &end, TRUE);
content_type = g_content_type_guess (NULL,
(const guchar *)data,
strlen (data),
NULL);
g_free (data);
return content_type;
}
static void
set_content_type_no_guess (GeditDocument *doc,
const gchar *content_type)
{
GeditDocumentPrivate *priv;
gchar *dupped_content_type;
gedit_debug (DEBUG_DOCUMENT);
priv = gedit_document_get_instance_private (doc);
if (priv->content_type != NULL &&
content_type != NULL &&
g_str_equal (priv->content_type, content_type))
{
return;
}
g_free (priv->content_type);
/* For compression types, we try to just guess from the content */
if (gedit_utils_get_compression_type_from_content_type (content_type) !=
GTK_SOURCE_COMPRESSION_TYPE_NONE)
{
dupped_content_type = get_content_type_from_content (doc);
}
else
{
dupped_content_type = g_strdup (content_type);
}
if (dupped_content_type == NULL ||
g_content_type_is_unknown (dupped_content_type))
{
priv->content_type = get_default_content_type ();
g_free (dupped_content_type);
}
else
{
priv->content_type = dupped_content_type;
}
g_object_notify_by_pspec (G_OBJECT (doc), properties[PROP_CONTENT_TYPE]);
}
static void
set_content_type (GeditDocument *doc,
const gchar *content_type)
{
GeditDocumentPrivate *priv;
gedit_debug (DEBUG_DOCUMENT);
priv = gedit_document_get_instance_private (doc);
if (content_type == NULL)
{
GFile *location;
gchar *guessed_type = NULL;
/* If content type is null, we guess from the filename */
location = gtk_source_file_get_location (priv->file);
if (location != NULL)
{
gchar *basename;
basename = g_file_get_basename (location);
guessed_type = g_content_type_guess (basename, NULL, 0, NULL);
g_free (basename);
}
set_content_type_no_guess (doc, guessed_type);
g_free (guessed_type);
}
else
{
set_content_type_no_guess (doc, content_type);
}
}
gchar *
gedit_document_get_content_type (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
g_return_val_if_fail (GEDIT_IS_DOCUMENT (doc), NULL);
priv = gedit_document_get_instance_private (doc);
return g_strdup (priv->content_type);
}
/**
* gedit_document_get_mime_type:
* @doc: a #GeditDocument.
*
* Note: this never returns %NULL.
**/
gchar *
gedit_document_get_mime_type (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
g_return_val_if_fail (GEDIT_IS_DOCUMENT (doc), g_strdup ("text/plain"));
priv = gedit_document_get_instance_private (doc);
if (priv->content_type != NULL &&
!g_content_type_is_unknown (priv->content_type))
{
return g_content_type_get_mime_type (priv->content_type);
}
return g_strdup ("text/plain");
}
static void
loaded_query_info_cb (GFile *location,
GAsyncResult *result,
GeditDocument *doc)
{
GFileInfo *info;
GError *error = NULL;
info = g_file_query_info_finish (location, result, &error);
if (error != NULL)
{
/* Ignore not found error as it can happen when opening a
* non-existent file from the command line.
*/
if (error->domain != G_IO_ERROR ||
error->code != G_IO_ERROR_NOT_FOUND)
{
g_warning ("Document loading: query info error: %s", error->message);
}
g_error_free (error);
error = NULL;
}
if (info != NULL &&
g_file_info_has_attribute (info, G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE))
{
const gchar *content_type;
content_type = g_file_info_get_attribute_string (info, G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE);
set_content_type (doc, content_type);
}
g_clear_object (&info);
/* Async operation finished. */
g_object_unref (doc);
}
static void
gedit_document_loaded_real (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
GFile *location;
priv = gedit_document_get_instance_private (doc);
if (!priv->language_set_by_user)
{
GtkSourceLanguage *language = guess_language (doc);
gedit_debug_message (DEBUG_DOCUMENT, "Language: %s",
language != NULL ? gtk_source_language_get_name (language) : "None");
set_language (doc, language, FALSE);
}
update_time_of_last_save_or_load (doc);
set_content_type (doc, NULL);
location = gtk_source_file_get_location (priv->file);
if (location != NULL)
{
/* Keep the doc alive during the async operation. */
g_object_ref (doc);
g_file_query_info_async (location,
G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE ","
G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE,
G_FILE_QUERY_INFO_NONE,
G_PRIORITY_DEFAULT,
NULL,
(GAsyncReadyCallback) loaded_query_info_cb,
doc);
}
}
static void
saved_query_info_cb (GFile *location,
GAsyncResult *result,
GeditDocument *doc)
{
GeditDocumentPrivate *priv;
GFileInfo *info;
const gchar *content_type = NULL;
GError *error = NULL;
priv = gedit_document_get_instance_private (doc);
info = g_file_query_info_finish (location, result, &error);
if (error != NULL)
{
g_warning ("Document saving: query info error: %s", error->message);
g_error_free (error);
error = NULL;
}
if (info != NULL &&
g_file_info_has_attribute (info, G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE))
{
content_type = g_file_info_get_attribute_string (info, G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE);
}
set_content_type (doc, content_type);
if (info != NULL)
{
/* content_type (owned by info) is no longer needed. */
g_object_unref (info);
}
update_time_of_last_save_or_load (doc);
priv->create = FALSE;
save_encoding_metadata (doc);
/* Async operation finished. */
g_object_unref (doc);
}
static void
gedit_document_saved_real (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
GFile *location;
priv = gedit_document_get_instance_private (doc);
location = gtk_source_file_get_location (priv->file);
/* Keep the doc alive during the async operation. */
g_object_ref (doc);
g_file_query_info_async (location,
G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
G_FILE_QUERY_INFO_NONE,
G_PRIORITY_DEFAULT,
NULL,
(GAsyncReadyCallback) saved_query_info_cb,
doc);
}
/* TODO: remove this function. */
gboolean
_gedit_document_is_untitled (GeditDocument *doc)
{
TeplFile *file;
g_return_val_if_fail (GEDIT_IS_DOCUMENT (doc), TRUE);
file = tepl_buffer_get_file (TEPL_BUFFER (doc));
return tepl_file_get_location (file) == NULL;
}
/*
* Deletion and external modification is only checked for local files.
*/
gboolean
_gedit_document_needs_saving (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
gboolean externally_modified = FALSE;
gboolean deleted = FALSE;
g_return_val_if_fail (GEDIT_IS_DOCUMENT (doc), FALSE);
priv = gedit_document_get_instance_private (doc);
if (gtk_text_buffer_get_modified (GTK_TEXT_BUFFER (doc)))
{
return TRUE;
}
if (gtk_source_file_is_local (priv->file))
{
gtk_source_file_check_file_on_disk (priv->file);
externally_modified = gtk_source_file_is_externally_modified (priv->file);
deleted = gtk_source_file_is_deleted (priv->file);
}
return (externally_modified || deleted) && !priv->create;
}
/**
* gedit_document_set_language:
* @doc:
* @lang: (allow-none):
**/
void
gedit_document_set_language (GeditDocument *doc,
GtkSourceLanguage *lang)
{
g_return_if_fail (GEDIT_IS_DOCUMENT (doc));
set_language (doc, lang, TRUE);
}
glong
_gedit_document_get_seconds_since_last_save_or_load (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
GDateTime *now;
GTimeSpan n_microseconds;
gedit_debug (DEBUG_DOCUMENT);
g_return_val_if_fail (GEDIT_IS_DOCUMENT (doc), -1);
priv = gedit_document_get_instance_private (doc);
if (priv->time_of_last_save_or_load == NULL)
{
return -1;
}
now = g_date_time_new_now_utc ();
if (now == NULL)
{
return -1;
}
n_microseconds = g_date_time_difference (now, priv->time_of_last_save_or_load);
g_date_time_unref (now);
return n_microseconds / (1000 * 1000);
}
/**
* gedit_document_get_metadata:
* @doc: a #GeditDocument
* @key: name of the key
*
* Gets the metadata assigned to @key.
*
* Returns: the value assigned to @key. Free with g_free().
*/
gchar *
gedit_document_get_metadata (GeditDocument *doc,
const gchar *key)
{
GeditDocumentPrivate *priv;
g_return_val_if_fail (GEDIT_IS_DOCUMENT (doc), NULL);
g_return_val_if_fail (key != NULL, NULL);
priv = gedit_document_get_instance_private (doc);
if (priv->metadata == NULL)
{
return NULL;
}
return tepl_metadata_get (priv->metadata, key);
}
/**
* gedit_document_set_metadata:
* @doc: a #GeditDocument
* @first_key: name of the first key to set
* @...: (allow-none): value for the first key, followed optionally by more key/value pairs,
* followed by %NULL.
*
* Sets metadata on a document.
*/
void
gedit_document_set_metadata (GeditDocument *doc,
const gchar *first_key,
...)
{
GeditDocumentPrivate *priv;
va_list var_args;
const gchar *key;
g_return_if_fail (GEDIT_IS_DOCUMENT (doc));
g_return_if_fail (first_key != NULL);
priv = gedit_document_get_instance_private (doc);
if (priv->metadata == NULL)
{
return;
}
va_start (var_args, first_key);
for (key = first_key; key != NULL; key = va_arg (var_args, const gchar *))
{
const gchar *value = va_arg (var_args, const gchar *);
tepl_metadata_set (priv->metadata, key, value);
}
va_end (var_args);
save_metadata_into_metadata_manager (doc);
}
static void
update_empty_search (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
gboolean new_value;
priv = gedit_document_get_instance_private (doc);
if (priv->search_context == NULL)
{
new_value = TRUE;
}
else
{
GtkSourceSearchSettings *search_settings;
search_settings = gtk_source_search_context_get_settings (priv->search_context);
new_value = gtk_source_search_settings_get_search_text (search_settings) == NULL;
}
if (priv->empty_search != new_value)
{
priv->empty_search = new_value;
g_object_notify_by_pspec (G_OBJECT (doc), properties[PROP_EMPTY_SEARCH]);
}
}
static void
connect_search_settings (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
GtkSourceSearchSettings *search_settings;
priv = gedit_document_get_instance_private (doc);
search_settings = gtk_source_search_context_get_settings (priv->search_context);
/* Note: the signal handler is never disconnected. If the search context
* changes its search settings, the old search settings will most
* probably be destroyed, anyway. So it shouldn't cause performance
* problems.
*/
g_signal_connect_object (search_settings,
"notify::search-text",
G_CALLBACK (update_empty_search),
doc,
G_CONNECT_SWAPPED);
}
/**
* gedit_document_set_search_context:
* @doc: a #GeditDocument
* @search_context: (allow-none): the new #GtkSourceSearchContext
*
* Sets the new search context for the document. Use this function only when the
* search occurrences are highlighted. So this function should not be used for
* background searches. The purpose is to have only one highlighted search
* context at a time in the document.
*
* After using this function, you should unref the @search_context. The @doc
* should be the only owner of the @search_context, so that the Clear Highlight
* action works. If you need the @search_context after calling this function,
* use gedit_document_get_search_context().
*/
void
gedit_document_set_search_context (GeditDocument *doc,
GtkSourceSearchContext *search_context)
{
GeditDocumentPrivate *priv;
g_return_if_fail (GEDIT_IS_DOCUMENT (doc));
priv = gedit_document_get_instance_private (doc);
if (priv->search_context != NULL)
{
g_signal_handlers_disconnect_by_func (priv->search_context,
connect_search_settings,
doc);
g_object_unref (priv->search_context);
}
priv->search_context = search_context;
if (search_context != NULL)
{
GeditSettings *settings;
GSettings *editor_settings;
g_object_ref (search_context);
settings = _gedit_settings_get_singleton ();
editor_settings = _gedit_settings_peek_editor_settings (settings);
g_settings_bind (editor_settings, GEDIT_SETTINGS_SEARCH_HIGHLIGHTING,
search_context, "highlight",
G_SETTINGS_BIND_GET | G_SETTINGS_BIND_NO_SENSITIVITY);
g_signal_connect_object (search_context,
"notify::settings",
G_CALLBACK (connect_search_settings),
doc,
G_CONNECT_SWAPPED);
connect_search_settings (doc);
}
update_empty_search (doc);
}
/**
* gedit_document_get_search_context:
* @doc: a #GeditDocument
*
* Gets the search context. Use this function only if you have used
* gedit_document_set_search_context() before. You should not alter other search
* contexts, so you have to verify that the returned search context is yours.
* One way to verify that is to compare the search settings object, or to mark
* the search context with g_object_set_data().
*
* Returns: (transfer none): the current search context of the document, or NULL
* if there is no current search context.
*/
GtkSourceSearchContext *
gedit_document_get_search_context (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
g_return_val_if_fail (GEDIT_IS_DOCUMENT (doc), NULL);
priv = gedit_document_get_instance_private (doc);
return priv->search_context;
}
gboolean
_gedit_document_get_empty_search (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
g_return_val_if_fail (GEDIT_IS_DOCUMENT (doc), TRUE);
priv = gedit_document_get_instance_private (doc);
return priv->empty_search;
}
/**
* gedit_document_get_file:
* @doc: a #GeditDocument.
*
* Gets the associated #GtkSourceFile. You should use it only for reading
* purposes, not for creating a #GtkSourceFileLoader or #GtkSourceFileSaver,
* because gedit does some extra work when loading or saving a file and
* maintains an internal state. If you use in a plugin a file loader or saver on
* the returned #GtkSourceFile, the internal state of gedit won't be updated.
*
* If you want to save the #GeditDocument to a secondary file, you can create a
* new #GtkSourceFile and use a #GtkSourceFileSaver.
*
* Returns: (transfer none): the associated #GtkSourceFile.
* Since: 3.14
*/
GtkSourceFile *
gedit_document_get_file (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
g_return_val_if_fail (GEDIT_IS_DOCUMENT (doc), NULL);
priv = gedit_document_get_instance_private (doc);
return priv->file;
}
void
_gedit_document_set_create (GeditDocument *doc,
gboolean create)
{
GeditDocumentPrivate *priv;
g_return_if_fail (GEDIT_IS_DOCUMENT (doc));
priv = gedit_document_get_instance_private (doc);
priv->create = create != FALSE;
}
gboolean
_gedit_document_get_create (GeditDocument *doc)
{
GeditDocumentPrivate *priv;
g_return_val_if_fail (GEDIT_IS_DOCUMENT (doc), FALSE);
priv = gedit_document_get_instance_private (doc);
return priv->create;
}
/* ex:set ts=8 noet: */