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medit/moo/mooedit/mooedit.c
Yevgen Muntyan ca4b0223a8 MooEditView is back
2010-12-18 23:58:18 -08:00

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/*
* mooedit.c
*
* Copyright (C) 2004-2010 by Yevgen Muntyan <emuntyan@sourceforge.net>
*
* This file is part of medit. medit is free software; you can
* redistribute it and/or modify it under the terms of the
* GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License,
* or (at your option) any later version.
*
* You should have received a copy of the GNU Lesser General Public
* License along with medit. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* class:MooEdit: (parent GObject)
**/
#define MOOEDIT_COMPILATION
#include "mooedit/mooeditaction-factory.h"
#include "mooedit/mooedit-private.h"
#include "mooedit/mooeditview-impl.h"
#include "mooedit/mooeditbookmark.h"
#include "mooedit/mooeditdialogs.h"
#include "mooedit/mooeditprefs.h"
#include "mooedit/mootextbuffer.h"
#include "mooedit/mooeditfiltersettings.h"
#include "mooedit/mooeditor-impl.h"
#include "mooedit/moolangmgr.h"
#include "marshals.h"
#include "mooutils/mooutils-fs.h"
#include "mooutils/mooi18n.h"
#include "mooutils/mooutils-misc.h"
#include "mooutils/mootype-macros.h"
#include "mooutils/mooatom.h"
#include "mooutils/moocompat.h"
#include "mooedit/mooeditprogress-gxml.h"
#include <string.h>
#include <stdlib.h>
#define KEY_ENCODING "encoding"
#define KEY_LINE "line"
MOO_DEFINE_OBJECT_ARRAY (MooEdit, moo_edit)
MooEditList *_moo_edit_instances = NULL;
static GObject *moo_edit_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_param);
static void moo_edit_finalize (GObject *object);
static void moo_edit_dispose (GObject *object);
static void moo_edit_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void moo_edit_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void moo_edit_filename_changed (MooEdit *edit,
const char *new_filename);
static void config_changed (MooEdit *edit,
GParamSpec *pspec);
static void moo_edit_config_notify (MooEdit *edit,
guint var_id,
GParamSpec *pspec);
static void _moo_edit_freeze_config_notify (MooEdit *edit);
static void _moo_edit_thaw_config_notify (MooEdit *edit);
static void _moo_edit_update_config_from_global (MooEdit *edit);
static void modified_changed_cb (GtkTextBuffer *buffer,
MooEdit *edit);
enum {
DOC_STATUS_CHANGED,
FILENAME_CHANGED,
COMMENT,
UNCOMMENT,
CONFIG_NOTIFY,
SAVE_BEFORE,
SAVE_AFTER,
BOOKMARKS_CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
enum {
PROP_0,
PROP_EDITOR,
PROP_ENABLE_BOOKMARKS,
PROP_HAS_COMMENTS,
PROP_LINE_END_TYPE,
PROP_ENCODING
};
G_DEFINE_TYPE (MooEdit, moo_edit, G_TYPE_OBJECT)
static void
moo_edit_class_init (MooEditClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = moo_edit_set_property;
gobject_class->get_property = moo_edit_get_property;
gobject_class->constructor = moo_edit_constructor;
gobject_class->finalize = moo_edit_finalize;
gobject_class->dispose = moo_edit_dispose;
klass->filename_changed = moo_edit_filename_changed;
klass->config_notify = moo_edit_config_notify;
g_type_class_add_private (klass, sizeof (MooEditPrivate));
g_object_class_install_property (gobject_class,
PROP_EDITOR,
g_param_spec_object ("editor",
"editor",
"editor",
MOO_TYPE_EDITOR,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)));
g_object_class_install_property (gobject_class,
PROP_ENABLE_BOOKMARKS,
g_param_spec_boolean ("enable-bookmarks",
"enable-bookmarks",
"enable-bookmarks",
TRUE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_CONSTRUCT)));
g_object_class_install_property (gobject_class,
PROP_HAS_COMMENTS,
g_param_spec_boolean ("has-comments",
"has-comments",
"has-comments",
FALSE,
G_PARAM_READABLE));
g_object_class_install_property (gobject_class, PROP_LINE_END_TYPE,
g_param_spec_enum ("line-end-type", "line-end-type", "line-end-type",
MOO_TYPE_LINE_END_TYPE, MOO_LE_NONE,
(GParamFlags) G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_ENCODING,
g_param_spec_string ("encoding",
"encoding",
"encoding",
NULL,
(GParamFlags) G_PARAM_READWRITE));
signals[CONFIG_NOTIFY] =
g_signal_new ("config-notify",
G_OBJECT_CLASS_TYPE (klass),
(GSignalFlags) (G_SIGNAL_RUN_FIRST | G_SIGNAL_DETAILED),
G_STRUCT_OFFSET (MooEditClass, config_notify),
NULL, NULL,
_moo_marshal_VOID__UINT_POINTER,
G_TYPE_NONE, 2,
G_TYPE_UINT, G_TYPE_POINTER);
signals[DOC_STATUS_CHANGED] =
g_signal_new ("doc-status-changed",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (MooEditClass, doc_status_changed),
NULL, NULL,
_moo_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[FILENAME_CHANGED] =
g_signal_new ("filename-changed",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (MooEditClass, filename_changed),
NULL, NULL,
_moo_marshal_VOID__STRING,
G_TYPE_NONE, 1,
G_TYPE_STRING | G_SIGNAL_TYPE_STATIC_SCOPE);
signals[COMMENT] =
_moo_signal_new_cb ("comment",
G_OBJECT_CLASS_TYPE (klass),
(GSignalFlags) (G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION),
G_CALLBACK (_moo_edit_comment),
NULL, NULL,
_moo_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[UNCOMMENT] =
_moo_signal_new_cb ("uncomment",
G_OBJECT_CLASS_TYPE (klass),
(GSignalFlags) (G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION),
G_CALLBACK (_moo_edit_uncomment),
NULL, NULL,
_moo_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[SAVE_BEFORE] =
g_signal_new ("save-before",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (MooEditClass, save_before),
NULL, NULL,
_moo_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[SAVE_AFTER] =
g_signal_new ("save-after",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (MooEditClass, save_after),
NULL, NULL,
_moo_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[BOOKMARKS_CHANGED] =
g_signal_new ("bookmarks-changed",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (MooEditClass, bookmarks_changed),
NULL, NULL,
_moo_marshal_VOID__VOID,
G_TYPE_NONE, 0);
_moo_edit_init_config ();
_moo_edit_class_init_actions (klass);
}
static void
moo_edit_init (MooEdit *edit)
{
edit->priv = G_TYPE_INSTANCE_GET_PRIVATE (edit, MOO_TYPE_EDIT, MooEditPrivate);
edit->config = moo_edit_config_new ();
g_signal_connect_swapped (edit->config, "notify",
G_CALLBACK (config_changed), edit);
edit->priv->actions = moo_action_collection_new ("MooEdit", "MooEdit");
edit->priv->line_end_type = MOO_LE_NONE;
}
static GObject*
moo_edit_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_param)
{
GObject *object;
MooEdit *edit;
GtkTextBuffer *buffer;
MooIndenter *indent;
object = G_OBJECT_CLASS (moo_edit_parent_class)->constructor (
type, n_construct_properties, construct_param);
edit = MOO_EDIT (object);
edit->priv->view = g_object_new (MOO_TYPE_EDIT_VIEW, NULL);
g_object_ref_sink (edit->priv->view);
_moo_edit_view_set_doc (edit->priv->view, edit);
_moo_edit_add_class_actions (edit);
_moo_edit_instances = moo_edit_list_prepend (_moo_edit_instances, edit);
indent = moo_indenter_new (edit);
moo_text_view_set_indenter (MOO_TEXT_VIEW (edit->priv->view), indent);
g_object_unref (indent);
buffer = moo_edit_get_buffer (edit);
edit->priv->modified_changed_handler_id =
g_signal_connect (buffer,
"modified-changed",
G_CALLBACK (modified_changed_cb),
edit);
_moo_edit_set_file (edit, NULL, NULL);
g_signal_connect_swapped (buffer, "line-mark-moved",
G_CALLBACK (_moo_edit_line_mark_moved),
edit);
g_signal_connect_swapped (buffer, "line-mark-deleted",
G_CALLBACK (_moo_edit_line_mark_deleted),
edit);
return object;
}
static void
moo_edit_finalize (GObject *object)
{
MooEdit *edit = MOO_EDIT (object);
moo_file_free (edit->priv->file);
g_free (edit->priv->filename);
g_free (edit->priv->norm_name);
g_free (edit->priv->display_filename);
g_free (edit->priv->display_basename);
g_free (edit->priv->encoding);
G_OBJECT_CLASS (moo_edit_parent_class)->finalize (object);
}
void
_moo_edit_closed (MooEdit *doc)
{
moo_return_if_fail (MOO_IS_EDIT (doc));
_moo_edit_remove_untitled (doc);
_moo_edit_instances = moo_edit_list_remove (_moo_edit_instances, doc);
if (doc->priv->view)
{
g_object_unref (doc->priv->view);
doc->priv->view = NULL;
}
if (doc->config)
{
g_signal_handlers_disconnect_by_func (doc->config,
(gpointer) config_changed,
doc);
g_object_unref (doc->config);
doc->config = NULL;
}
if (doc->priv->apply_config_idle)
{
g_source_remove (doc->priv->apply_config_idle);
doc->priv->apply_config_idle = 0;
}
if (doc->priv->file_monitor_id)
{
_moo_edit_stop_file_watch (doc);
doc->priv->file_monitor_id = 0;
}
if (doc->priv->update_bookmarks_idle)
{
g_source_remove (doc->priv->update_bookmarks_idle);
doc->priv->update_bookmarks_idle = 0;
}
_moo_edit_delete_bookmarks (doc, TRUE);
if (doc->priv->actions)
{
g_object_unref (doc->priv->actions);
doc->priv->actions = NULL;
}
}
static void
moo_edit_dispose (GObject *object)
{
_moo_edit_closed (MOO_EDIT (object));
G_OBJECT_CLASS (moo_edit_parent_class)->dispose (object);
}
MooActionCollection *
_moo_edit_get_actions (MooEdit *doc)
{
moo_return_val_if_fail (MOO_IS_EDIT (doc), NULL);
return doc->priv->actions;
}
static void
modified_changed_cb (GtkTextBuffer *buffer,
MooEdit *edit)
{
moo_edit_set_modified (edit, gtk_text_buffer_get_modified (buffer));
}
static void
modify_status (MooEdit *edit,
MooEditStatus status,
gboolean add)
{
if (add)
edit->priv->status = (MooEditStatus) (edit->priv->status | status);
else
edit->priv->status = (MooEditStatus) (edit->priv->status & ~status);
}
void
moo_edit_set_modified (MooEdit *edit,
gboolean modified)
{
gboolean buf_modified;
GtkTextBuffer *buffer;
g_return_if_fail (MOO_IS_EDIT (edit));
buffer = moo_edit_get_buffer (edit);
buf_modified =
gtk_text_buffer_get_modified (buffer);
if (buf_modified != modified)
{
g_signal_handler_block (buffer,
edit->priv->modified_changed_handler_id);
gtk_text_buffer_set_modified (buffer, modified);
g_signal_handler_unblock (buffer,
edit->priv->modified_changed_handler_id);
}
modify_status (edit, MOO_EDIT_MODIFIED, modified);
_moo_edit_status_changed (edit);
}
/**
* moo_edit_set_clean:
**/
void
moo_edit_set_clean (MooEdit *edit,
gboolean clean)
{
g_return_if_fail (MOO_IS_EDIT (edit));
modify_status (edit, MOO_EDIT_CLEAN, clean);
_moo_edit_status_changed (edit);
}
/**
* moo_edit_get_clean:
**/
gboolean
moo_edit_get_clean (MooEdit *edit)
{
g_return_val_if_fail (MOO_IS_EDIT (edit), FALSE);
return (edit->priv->status & MOO_EDIT_CLEAN) ? TRUE : FALSE;
}
void
_moo_edit_status_changed (MooEdit *edit)
{
g_return_if_fail (MOO_IS_EDIT (edit));
g_signal_emit (edit, signals[DOC_STATUS_CHANGED], 0, NULL);
}
void
_moo_edit_set_status (MooEdit *edit,
MooEditStatus status)
{
g_return_if_fail (MOO_IS_EDIT (edit));
if (edit->priv->status != status)
{
edit->priv->status = status;
_moo_edit_status_changed (edit);
}
}
/**
* moo_edit_is_empty:
*
* This function returns whether the document is "empty", i.e. is not modified,
* is untitled, and contains no text.
**/
gboolean
moo_edit_is_empty (MooEdit *edit)
{
GtkTextIter start, end;
g_return_val_if_fail (MOO_IS_EDIT (edit), FALSE);
if (MOO_EDIT_IS_BUSY (edit) || MOO_EDIT_IS_MODIFIED (edit) || !MOO_EDIT_IS_UNTITLED (edit))
return FALSE;
gtk_text_buffer_get_bounds (moo_edit_get_buffer (edit), &start, &end);
return !gtk_text_iter_compare (&start, &end);
}
/**
* moo_edit_is_untitled:
**/
gboolean
moo_edit_is_untitled (MooEdit *edit)
{
g_return_val_if_fail (MOO_IS_EDIT (edit), FALSE);
return MOO_EDIT_IS_UNTITLED (edit);
}
/**
* moo_edit_get_status:
**/
MooEditStatus
moo_edit_get_status (MooEdit *edit)
{
g_return_val_if_fail (MOO_IS_EDIT (edit), (MooEditStatus) 0);
return edit->priv->status;
}
static void
moo_edit_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
MooEdit *edit = MOO_EDIT (object);
switch (prop_id)
{
case PROP_EDITOR:
edit->priv->editor = (MooEditor*) g_value_get_object (value);
break;
case PROP_ENABLE_BOOKMARKS:
moo_edit_set_enable_bookmarks (edit, g_value_get_boolean (value));
break;
case PROP_ENCODING:
moo_edit_set_encoding (edit, g_value_get_string (value));
break;
case PROP_LINE_END_TYPE:
moo_edit_set_line_end_type (edit, (MooLineEndType) g_value_get_enum (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
moo_edit_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
MooEdit *edit = MOO_EDIT (object);
switch (prop_id)
{
case PROP_EDITOR:
g_value_set_object (value, edit->priv->editor);
break;
case PROP_ENABLE_BOOKMARKS:
g_value_set_boolean (value, edit->priv->enable_bookmarks);
break;
case PROP_HAS_COMMENTS:
g_value_set_boolean (value, _moo_edit_has_comments (edit, NULL, NULL));
break;
case PROP_ENCODING:
g_value_set_string (value, edit->priv->encoding);
break;
case PROP_LINE_END_TYPE:
g_value_set_enum (value, edit->priv->line_end_type);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/**
* moo_edit_get_file:
**/
GFile *
moo_edit_get_file (MooEdit *edit)
{
g_return_val_if_fail (MOO_IS_EDIT (edit), NULL);
return edit->priv->file ? g_file_dup (edit->priv->file) : NULL;
}
/**
* moo_edit_get_filename:
**/
char *
moo_edit_get_filename (MooEdit *edit)
{
g_return_val_if_fail (MOO_IS_EDIT (edit), NULL);
return g_strdup (edit->priv->filename);
}
char *
_moo_edit_get_normalized_name (MooEdit *edit)
{
g_return_val_if_fail (MOO_IS_EDIT (edit), NULL);
return g_strdup (edit->priv->norm_name);
}
char *
_moo_edit_get_utf8_filename (MooEdit *edit)
{
g_return_val_if_fail (MOO_IS_EDIT (edit), NULL);
return edit->priv->filename ? g_strdup (edit->priv->display_filename) : NULL;
}
/**
* moo_edit_get_display_name:
**/
const char *
moo_edit_get_display_name (MooEdit *edit)
{
g_return_val_if_fail (MOO_IS_EDIT (edit), NULL);
return edit->priv->display_filename;
}
/**
* moo_edit_get_display_basename:
**/
const char *
moo_edit_get_display_basename (MooEdit *edit)
{
g_return_val_if_fail (MOO_IS_EDIT (edit), NULL);
return edit->priv->display_basename;
}
/**
* moo_edit_get_uri:
**/
char *
moo_edit_get_uri (MooEdit *edit)
{
g_return_val_if_fail (MOO_IS_EDIT (edit), NULL);
return edit->priv->file ? g_file_get_uri (edit->priv->file) : NULL;
}
/**
* moo_edit_get_encoding:
**/
const char *
moo_edit_get_encoding (MooEdit *edit)
{
g_return_val_if_fail (MOO_IS_EDIT (edit), NULL);
return edit->priv->encoding;
}
/**
* moo_edit_set_encoding:
**/
void
moo_edit_set_encoding (MooEdit *edit,
const char *encoding)
{
g_return_if_fail (MOO_IS_EDIT (edit));
g_return_if_fail (encoding != NULL);
if (!_moo_str_equal (encoding, edit->priv->encoding))
{
MOO_ASSIGN_STRING (edit->priv->encoding, encoding);
g_object_notify (G_OBJECT (edit), "encoding");
}
}
/**
* moo_edit_get_editor:
**/
MooEditor *
moo_edit_get_editor (MooEdit *doc)
{
g_return_val_if_fail (MOO_IS_EDIT (doc), NULL);
return doc->priv->editor;
}
/**
* moo_edit_get_view:
**/
MooEditView *
moo_edit_get_view (MooEdit *doc)
{
g_return_val_if_fail (MOO_IS_EDIT (doc), NULL);
return doc->priv->view;
}
/**
* moo_edit_get_window:
**/
MooEditWindow *
moo_edit_get_window (MooEdit *doc)
{
g_return_val_if_fail (MOO_IS_EDIT (doc), NULL);
return moo_edit_view_get_window (doc->priv->view);
}
/**
* moo_edit_get_buffer:
**/
GtkTextBuffer *
moo_edit_get_buffer (MooEdit *doc)
{
g_return_val_if_fail (MOO_IS_EDIT (doc), NULL);
return gtk_text_view_get_buffer (GTK_TEXT_VIEW (doc->priv->view));
}
typedef void (*SetVarFunc) (MooEdit *edit,
const char *name,
char *val);
static void
parse_mode_string (MooEdit *edit,
char *string,
const char *var_val_separator,
SetVarFunc func)
{
char **vars, **p;
vars = NULL;
g_strstrip (string);
vars = g_strsplit (string, ";", 0);
if (!vars)
goto out;
for (p = vars; *p != NULL; p++)
{
char *sep, *var, *value;
g_strstrip (*p);
sep = strstr (*p, var_val_separator);
if (!sep || sep == *p || !sep[1])
goto out;
var = g_strndup (*p, sep - *p);
g_strstrip (var);
if (!var[0])
{
g_free (var);
goto out;
}
value = sep + 1;
g_strstrip (value);
if (!value)
{
g_free (var);
goto out;
}
func (edit, var, value);
g_free (var);
}
out:
g_strfreev (vars);
}
static void
set_kate_var (MooEdit *edit,
const char *name,
const char *val)
{
if (!g_ascii_strcasecmp (name, "space-indent"))
{
gboolean spaces = FALSE;
if (moo_edit_config_parse_bool (val, &spaces))
moo_edit_config_parse_one (edit->config, "indent-use-tabs",
spaces ? "false" : "true",
MOO_EDIT_CONFIG_SOURCE_FILE);
}
else
{
moo_edit_config_parse_one (edit->config, name, val,
MOO_EDIT_CONFIG_SOURCE_FILE);
}
}
static void
parse_kate_mode_string (MooEdit *edit,
char *string)
{
parse_mode_string (edit, string, " ", (SetVarFunc) set_kate_var);
}
static void
set_emacs_var (MooEdit *edit,
const char *name,
char *val)
{
if (!g_ascii_strcasecmp (name, "mode"))
{
moo_edit_config_parse_one (edit->config, "lang", val,
MOO_EDIT_CONFIG_SOURCE_FILE);
}
else if (!g_ascii_strcasecmp (name, "tab-width"))
{
moo_edit_config_parse_one (edit->config, "tab-width", val,
MOO_EDIT_CONFIG_SOURCE_FILE);
}
else if (!g_ascii_strcasecmp (name, "c-basic-offset"))
{
moo_edit_config_parse_one (edit->config, "indent-width", val,
MOO_EDIT_CONFIG_SOURCE_FILE);
}
else if (!g_ascii_strcasecmp (name, "indent-tabs-mode"))
{
if (!g_ascii_strcasecmp (val, "nil"))
moo_edit_config_parse_one (edit->config, "indent-use-tabs", "false",
MOO_EDIT_CONFIG_SOURCE_FILE);
else
moo_edit_config_parse_one (edit->config, "indent-use-tabs", "true",
MOO_EDIT_CONFIG_SOURCE_FILE);
}
}
static void
parse_emacs_mode_string (MooEdit *edit,
char *string)
{
MooLangMgr *mgr;
g_strstrip (string);
mgr = moo_lang_mgr_default ();
if (_moo_lang_mgr_find_lang (mgr, string))
set_emacs_var (edit, "mode", string);
else
parse_mode_string (edit, string, ":", set_emacs_var);
}
static void
parse_moo_mode_string (MooEdit *edit,
char *string)
{
moo_edit_config_parse (edit->config, string, MOO_EDIT_CONFIG_SOURCE_FILE);
}
#define KATE_MODE_STRING "kate:"
#define EMACS_MODE_STRING "-*-"
#define MOO_MODE_STRING "-%-"
static void
try_mode_string (MooEdit *edit,
char *string)
{
char *start, *end;
if ((start = strstr (string, KATE_MODE_STRING)))
{
start += strlen (KATE_MODE_STRING);
parse_kate_mode_string (edit, start);
return;
}
if ((start = strstr (string, EMACS_MODE_STRING)))
{
start += strlen (EMACS_MODE_STRING);
if ((end = strstr (start, EMACS_MODE_STRING)) && end > start)
{
end[0] = 0;
parse_emacs_mode_string (edit, start);
return;
}
}
if ((start = strstr (string, MOO_MODE_STRING)))
{
start += strlen (MOO_MODE_STRING);
if ((end = strstr (start, MOO_MODE_STRING)) && end > start)
{
end[0] = 0;
parse_moo_mode_string (edit, start);
return;
}
}
}
static void
try_mode_strings (MooEdit *edit)
{
GtkTextBuffer *buffer = moo_edit_get_buffer (edit);
GtkTextIter start, end;
char *first = NULL, *second = NULL, *last = NULL;
gtk_text_buffer_get_start_iter (buffer, &start);
if (!gtk_text_iter_ends_line (&start))
{
end = start;
gtk_text_iter_forward_to_line_end (&end);
first = gtk_text_buffer_get_slice (buffer, &start, &end, TRUE);
}
if (gtk_text_iter_forward_line (&start))
{
if (!gtk_text_iter_ends_line (&start))
{
end = start;
gtk_text_iter_forward_to_line_end (&end);
second = gtk_text_buffer_get_slice (buffer, &start, &end, TRUE);
}
}
gtk_text_buffer_get_end_iter (buffer, &end);
if (gtk_text_iter_starts_line (&end))
{
gtk_text_iter_backward_line (&end);
start = end;
gtk_text_iter_forward_to_line_end (&end);
}
else
{
start = end;
gtk_text_iter_set_line_offset (&start, 0);
}
if (gtk_text_iter_get_line (&start) != 1 &&
gtk_text_iter_get_line (&start) != 2)
last = gtk_text_buffer_get_slice (buffer, &start, &end, TRUE);
if (first)
try_mode_string (edit, first);
if (second)
try_mode_string (edit, second);
if (last)
try_mode_string (edit, last);
g_free (first);
g_free (second);
g_free (last);
}
static void
config_changed (MooEdit *edit,
GParamSpec *pspec)
{
guint id = moo_edit_config_get_setting_id (pspec);
GQuark detail = g_quark_from_string (pspec->name);
g_return_if_fail (id != 0);
g_signal_emit (edit, signals[CONFIG_NOTIFY], detail, id, pspec);
}
static MooLang *
moo_edit_get_lang (MooEdit *doc)
{
g_return_val_if_fail (MOO_IS_EDIT (doc), NULL);
return moo_text_view_get_lang (MOO_TEXT_VIEW (moo_edit_get_view (doc)));
}
/**
* moo_edit_get_lang_id:
*
* Returns: id of language currently used in the document. If no language
* is used, then string "none" is returned.
*/
const char *
moo_edit_get_lang_id (MooEdit *doc)
{
return _moo_lang_id (moo_edit_get_lang (doc));
}
static void
moo_edit_set_lang (MooEdit *edit,
MooLang *lang)
{
MooLang *old_lang;
old_lang = moo_edit_get_lang (edit);
if (old_lang != lang)
{
moo_text_view_set_lang (MOO_TEXT_VIEW (moo_edit_get_view (edit)), lang);
_moo_lang_mgr_update_config (moo_lang_mgr_default (),
edit->config,
_moo_lang_id (lang));
_moo_edit_update_config_from_global (edit);
g_object_notify (G_OBJECT (edit), "has-comments");
}
}
static void
moo_edit_apply_lang_config (MooEdit *edit)
{
const char *lang_id = moo_edit_config_get_string (edit->config, "lang");
MooLangMgr *mgr = moo_lang_mgr_default ();
MooLang *lang = lang_id ? _moo_lang_mgr_find_lang (mgr, lang_id) : NULL;
moo_edit_set_lang (edit, lang);
}
static void
moo_edit_apply_config (MooEdit *edit)
{
moo_edit_apply_lang_config (edit);
_moo_edit_view_apply_config (moo_edit_get_view (edit));
}
static gboolean
do_apply_config (MooEdit *edit)
{
edit->priv->apply_config_idle = 0;
moo_edit_apply_config (edit);
return FALSE;
}
static void
moo_edit_queue_apply_config (MooEdit *edit)
{
if (!edit->priv->apply_config_idle)
edit->priv->apply_config_idle =
moo_idle_add_full (G_PRIORITY_HIGH,
(GSourceFunc) do_apply_config,
edit, NULL);
}
static void
moo_edit_config_notify (MooEdit *edit,
guint var_id,
G_GNUC_UNUSED GParamSpec *pspec)
{
if (var_id == _moo_edit_settings[MOO_EDIT_SETTING_LANG])
moo_edit_apply_lang_config (edit);
else
moo_edit_queue_apply_config (edit);
}
static void
_moo_edit_update_config_from_global (MooEdit *edit)
{
g_return_if_fail (MOO_IS_EDIT (edit));
/* XXX */
moo_edit_config_unset_by_source (edit->config,
MOO_EDIT_CONFIG_SOURCE_AUTO);
}
void
_moo_edit_update_lang_config (void)
{
MooEditList *l;
for (l = _moo_edit_instances; l != NULL; l = l->next)
{
MooEdit *edit = l->data;
_moo_lang_mgr_update_config (moo_lang_mgr_default (), edit->config,
moo_edit_get_lang_id (edit));
}
}
static void
moo_edit_filename_changed (MooEdit *edit,
const char *filename)
{
gboolean lang_changed = FALSE;
MooLang *lang = NULL, *old_lang = NULL;
const char *lang_id = NULL;
char *filter_config = NULL;
old_lang = moo_edit_get_lang (edit);
_moo_edit_freeze_config_notify (edit);
moo_edit_config_unset_by_source (edit->config, MOO_EDIT_CONFIG_SOURCE_FILE);
_moo_edit_update_config_from_global (edit);
if (filename)
{
MooLangMgr *mgr = moo_lang_mgr_default ();
lang = moo_lang_mgr_get_lang_for_file (mgr, filename);
lang_id = lang ? _moo_lang_id (lang) : NULL;
}
moo_edit_config_set (edit->config, MOO_EDIT_CONFIG_SOURCE_FILENAME,
"lang", lang_id, "indent", (void*) NULL, (char*) NULL);
filter_config = _moo_edit_filter_settings_get_for_doc (edit);
if (filter_config)
moo_edit_config_parse (edit->config, filter_config,
MOO_EDIT_CONFIG_SOURCE_FILENAME);
try_mode_strings (edit);
lang_id = moo_edit_config_get_string (edit->config, "lang");
if (!lang_id)
lang_id = MOO_LANG_NONE;
lang_changed = strcmp (lang_id, _moo_lang_id (old_lang)) != 0;
if (!lang_changed)
{
_moo_lang_mgr_update_config (moo_lang_mgr_default (),
edit->config,
_moo_lang_id (lang));
_moo_edit_update_config_from_global (edit);
}
_moo_edit_thaw_config_notify (edit);
g_free (filter_config);
}
/**
* moo_edit_reload:
*
* @edit:
* @encoding: (allow-none) (default NULL): encoding to use. If %NULL,
* current document encoding will be used.
* @error: (allow-none): location for returned error or %NULL
*
* Reload document from disk
*
* Returns: whether document was successfully reloaded
**/
gboolean
moo_edit_reload (MooEdit *doc,
MooEditReloadInfo *info,
GError **error)
{
moo_return_error_if_fail (MOO_IS_EDIT (doc));
return moo_editor_reload (doc->priv->editor, doc, info, error);
}
/**
* moo_edit_close:
*
* @edit:
* @ask_confirm: (default TRUE): whether user should be asked if he wants
* to save changes before closing if the document is modified.
*
* Returns: whether document was closed
**/
gboolean
moo_edit_close (MooEdit *edit,
gboolean ask_confirm)
{
g_return_val_if_fail (MOO_IS_EDIT (edit), FALSE);
return moo_editor_close_doc (edit->priv->editor, edit, ask_confirm);
}
/**
* moo_edit_save:
**/
gboolean
moo_edit_save (MooEdit *doc,
GError **error)
{
moo_return_error_if_fail (MOO_IS_EDIT (doc));
return moo_editor_save (doc->priv->editor, doc, error);
}
/**
* moo_edit_save_as:
**/
gboolean
moo_edit_save_as (MooEdit *doc,
MooEditSaveInfo *info,
GError **error)
{
moo_return_error_if_fail (MOO_IS_EDIT (doc));
return moo_editor_save_as (doc->priv->editor, doc, info, error);
}
/**
* moo_edit_save_copy:
**/
gboolean
moo_edit_save_copy (MooEdit *doc,
MooEditSaveInfo *info,
GError **error)
{
moo_return_error_if_fail (MOO_IS_EDIT (doc));
return moo_editor_save_copy (doc->priv->editor, doc, info, error);
}
static void
_moo_edit_freeze_config_notify (MooEdit *edit)
{
g_return_if_fail (MOO_IS_EDIT (edit));
g_object_freeze_notify (G_OBJECT (edit->config));
}
static void
_moo_edit_thaw_config_notify (MooEdit *edit)
{
g_return_if_fail (MOO_IS_EDIT (edit));
g_object_thaw_notify (G_OBJECT (edit->config));
}
/*****************************************************************************/
/* Comment/uncomment
*/
/* TODO: all this stuff, it's pretty lame */
gboolean
_moo_edit_has_comments (MooEdit *edit,
gboolean *single_line,
gboolean *multi_line)
{
MooLang *lang;
gboolean single, multi;
lang = moo_edit_get_lang (edit);
if (!lang)
return FALSE;
single = _moo_lang_get_line_comment (lang) != NULL;
multi = _moo_lang_get_block_comment_start (lang) && _moo_lang_get_block_comment_end (lang);
if (single_line)
*single_line = single;
if (multi_line)
*multi_line = multi;
return single || multi;
}
static void
line_comment (GtkTextBuffer *buffer,
const char *comment_string,
GtkTextIter *start,
GtkTextIter *end)
{
int first, last, i;
GtkTextIter iter;
char *comment_and_space;
g_return_if_fail (comment_string && comment_string[0]);
first = gtk_text_iter_get_line (start);
last = gtk_text_iter_get_line (end);
if (!gtk_text_iter_equal (start, end) && gtk_text_iter_starts_line (end))
last -= 1;
comment_and_space = g_strdup_printf ("%s ", comment_string);
for (i = first; i <= last; ++i)
{
gtk_text_buffer_get_iter_at_line (buffer, &iter, i);
if (gtk_text_iter_ends_line (&iter))
gtk_text_buffer_insert (buffer, &iter, comment_string, -1);
else
gtk_text_buffer_insert (buffer, &iter, comment_and_space, -1);
}
g_free (comment_and_space);
}
static void
line_uncomment (GtkTextBuffer *buffer,
const char *comment_string,
GtkTextIter *start,
GtkTextIter *end)
{
int first, last, i;
guint chars;
g_return_if_fail (comment_string && comment_string[0]);
first = gtk_text_iter_get_line (start);
last = gtk_text_iter_get_line (end);
if (!gtk_text_iter_equal (start, end) && gtk_text_iter_starts_line (end))
last -= 1;
chars = g_utf8_strlen (comment_string, -1);
for (i = first; i <= last; ++i)
{
char *text;
gtk_text_buffer_get_iter_at_line (buffer, start, i);
*end = *start;
gtk_text_iter_forward_chars (end, chars);
text = gtk_text_iter_get_slice (start, end);
if (!strcmp (comment_string, text))
{
if (gtk_text_iter_get_char (end) == ' ')
gtk_text_iter_forward_char (end);
gtk_text_buffer_delete (buffer, start, end);
}
g_free (text);
}
}
static void
iter_to_line_end (GtkTextIter *iter)
{
if (!gtk_text_iter_ends_line (iter))
gtk_text_iter_forward_to_line_end (iter);
}
static void
block_comment (GtkTextBuffer *buffer,
const char *comment_start,
const char *comment_end,
GtkTextIter *start,
GtkTextIter *end)
{
GtkTextMark *end_mark;
g_return_if_fail (comment_start && comment_start[0]);
g_return_if_fail (comment_end && comment_end[0]);
if (gtk_text_iter_equal (start, end))
{
gtk_text_iter_set_line_offset (start, 0);
iter_to_line_end (end);
}
else
{
if (gtk_text_iter_starts_line (end))
{
gtk_text_iter_backward_line (end);
iter_to_line_end (end);
}
}
end_mark = gtk_text_buffer_create_mark (buffer, NULL, end, FALSE);
gtk_text_buffer_insert (buffer, start, comment_start, -1);
gtk_text_buffer_get_iter_at_mark (buffer, start, end_mark);
gtk_text_buffer_insert (buffer, start, comment_end, -1);
gtk_text_buffer_delete_mark (buffer, end_mark);
}
static void
block_uncomment (GtkTextBuffer *buffer,
const char *comment_start,
const char *comment_end,
GtkTextIter *start,
GtkTextIter *end)
{
GtkTextIter start1, start2, end1, end2;
GtkTextMark *mark1, *mark2;
GtkTextIter limit;
gboolean found;
g_return_if_fail (comment_start && comment_start[0]);
g_return_if_fail (comment_end && comment_end[0]);
if (!gtk_text_iter_equal (start, end) && gtk_text_iter_starts_line (end))
{
gtk_text_iter_backward_line (end);
iter_to_line_end (end);
}
limit = *end;
found = moo_text_search_forward (start, comment_start, (MooTextSearchFlags) 0,
&start1, &start2,
&limit);
if (!found)
{
gtk_text_iter_set_line_offset (&limit, 0);
found = gtk_text_iter_backward_search (start, comment_start, (GtkTextSearchFlags) 0,
&start1, &start2,
&limit);
}
if (!found)
return;
limit = start2;
found = gtk_text_iter_backward_search (end, comment_end, (GtkTextSearchFlags) 0,
&end1, &end2, &limit);
if (!found)
{
limit = *end;
iter_to_line_end (&limit);
found = moo_text_search_forward (end, comment_end, (MooTextSearchFlags) 0,
&end1, &end2, &limit);
}
if (!found)
return;
g_assert (gtk_text_iter_compare (&start2, &end1) < 0);
mark1 = gtk_text_buffer_create_mark (buffer, NULL, &end1, FALSE);
mark2 = gtk_text_buffer_create_mark (buffer, NULL, &end2, FALSE);
gtk_text_buffer_delete (buffer, &start1, &start2);
gtk_text_buffer_get_iter_at_mark (buffer, &end1, mark1);
gtk_text_buffer_get_iter_at_mark (buffer, &end2, mark2);
gtk_text_buffer_delete (buffer, &end1, &end2);
gtk_text_buffer_delete_mark (buffer, mark1);
gtk_text_buffer_delete_mark (buffer, mark2);
}
void
_moo_edit_comment (MooEdit *edit)
{
MooLang *lang;
GtkTextIter start, end;
GtkTextBuffer *buffer;
gboolean has_selection, single_line, multi_line;
gboolean adjust_selection = FALSE, move_insert = FALSE;
int sel_start_line = 0, sel_start_offset = 0;
g_return_if_fail (MOO_IS_EDIT (edit));
lang = moo_edit_get_lang (edit);
if (!_moo_edit_has_comments (edit, &single_line, &multi_line))
return;
buffer = moo_edit_get_buffer (edit);
has_selection = gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
gtk_text_buffer_begin_user_action (buffer);
if (has_selection)
{
GtkTextIter iter;
adjust_selection = TRUE;
gtk_text_buffer_get_iter_at_mark (buffer, &iter,
gtk_text_buffer_get_insert (buffer));
move_insert = gtk_text_iter_equal (&iter, &start);
sel_start_line = gtk_text_iter_get_line (&start);
sel_start_offset = gtk_text_iter_get_line_offset (&start);
}
/* FIXME */
if (single_line)
line_comment (buffer, _moo_lang_get_line_comment (lang), &start, &end);
else
block_comment (buffer,
_moo_lang_get_block_comment_start (lang),
_moo_lang_get_block_comment_end (lang),
&start, &end);
if (adjust_selection)
{
const char *mark = move_insert ? "insert" : "selection_bound";
gtk_text_buffer_get_iter_at_line_offset (buffer, &start,
sel_start_line,
sel_start_offset);
gtk_text_buffer_move_mark_by_name (buffer, mark, &start);
}
gtk_text_buffer_end_user_action (buffer);
}
void
_moo_edit_uncomment (MooEdit *edit)
{
MooLang *lang;
GtkTextIter start, end;
GtkTextBuffer *buffer;
gboolean single_line, multi_line;
g_return_if_fail (MOO_IS_EDIT (edit));
lang = moo_edit_get_lang (edit);
if (!_moo_edit_has_comments (edit, &single_line, &multi_line))
return;
buffer = moo_edit_get_buffer (edit);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
gtk_text_buffer_begin_user_action (buffer);
/* FIXME */
if (single_line)
line_uncomment (buffer, _moo_lang_get_line_comment (lang), &start, &end);
else
block_uncomment (buffer,
_moo_lang_get_block_comment_start (lang),
_moo_lang_get_block_comment_end (lang),
&start, &end);
gtk_text_buffer_end_user_action (buffer);
}
void
_moo_edit_ensure_newline (MooEdit *edit)
{
GtkTextBuffer *buffer;
GtkTextIter iter;
g_return_if_fail (MOO_IS_EDIT (edit));
buffer = moo_edit_get_buffer (edit);
gtk_text_buffer_get_end_iter (buffer, &iter);
if (!gtk_text_iter_starts_line (&iter))
gtk_text_buffer_insert (buffer, &iter, "\n", -1);
}
void
_moo_edit_strip_whitespace (MooEdit *doc)
{
GtkTextBuffer *buffer;
GtkTextIter iter;
g_return_if_fail (MOO_IS_EDIT (doc));
buffer = moo_edit_get_buffer (doc);
gtk_text_buffer_begin_user_action (buffer);
for (gtk_text_buffer_get_start_iter (buffer, &iter);
!gtk_text_iter_is_end (&iter);
gtk_text_iter_forward_line (&iter))
{
GtkTextIter end;
char *slice, *p;
int len;
if (gtk_text_iter_ends_line (&iter))
continue;
end = iter;
gtk_text_iter_forward_to_line_end (&end);
slice = gtk_text_buffer_get_slice (buffer, &iter, &end, TRUE);
len = strlen (slice);
g_assert (len > 0);
for (p = slice + len; p > slice && (p[-1] == ' ' || p[-1] == '\t'); --p) ;
if (*p)
{
gtk_text_iter_forward_chars (&iter, g_utf8_pointer_to_offset (slice, p));
gtk_text_buffer_delete (buffer, &iter, &end);
}
g_free (slice);
}
gtk_text_buffer_end_user_action (buffer);
}
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