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xed/xed/xed-tab.c

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/*
* xed-tab.c
* This file is part of xed
*
* Copyright (C) 2005 - Paolo Maggi
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/*
* Modified by the xed Team, 2005. See the AUTHORS file for a
* list of people on the xed Team.
* See the ChangeLog files for a list of changes.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib/gi18n.h>
#include <gio/gio.h>
#include "xed-app.h"
#include "xed-notebook.h"
#include "xed-tab.h"
#include "xed-utils.h"
#include "xed-io-error-message-area.h"
#include "xed-print-job.h"
#include "xed-print-preview.h"
#include "xed-progress-message-area.h"
#include "xed-debug.h"
#include "xed-enum-types.h"
#include "xed-settings.h"
#define XED_TAB_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), XED_TYPE_TAB, XedTabPrivate))
#define XED_TAB_KEY "XED_TAB_KEY"
struct _XedTabPrivate
{
GSettings *editor;
XedTabState state;
GtkWidget *view;
GtkWidget *view_scrolled_window;
GtkWidget *message_area;
GtkWidget *print_preview;
XedPrintJob *print_job;
/* tmp data for saving */
GFile *tmp_save_location;
/* tmp data for loading */
gint tmp_line_pos;
const XedEncoding *tmp_encoding;
GTimer *timer;
guint times_called;
XedDocumentSaveFlags save_flags;
guint auto_save_interval;
guint auto_save_timeout;
gint not_editable : 1;
gint auto_save : 1;
gint ask_if_externally_modified : 1;
};
G_DEFINE_TYPE(XedTab, xed_tab, GTK_TYPE_BOX)
enum
{
PROP_0,
PROP_NAME,
PROP_STATE,
PROP_AUTO_SAVE,
PROP_AUTO_SAVE_INTERVAL
};
static gboolean xed_tab_auto_save (XedTab *tab);
static void
install_auto_save_timeout (XedTab *tab)
{
gint timeout;
xed_debug (DEBUG_TAB);
g_return_if_fail (tab->priv->auto_save_timeout <= 0);
g_return_if_fail (tab->priv->auto_save);
g_return_if_fail (tab->priv->auto_save_interval > 0);
g_return_if_fail (tab->priv->state != XED_TAB_STATE_LOADING);
g_return_if_fail (tab->priv->state != XED_TAB_STATE_SAVING);
g_return_if_fail (tab->priv->state != XED_TAB_STATE_REVERTING);
g_return_if_fail (tab->priv->state != XED_TAB_STATE_LOADING_ERROR);
g_return_if_fail (tab->priv->state != XED_TAB_STATE_SAVING_ERROR);
g_return_if_fail (tab->priv->state != XED_TAB_STATE_SAVING_ERROR);
g_return_if_fail (tab->priv->state != XED_TAB_STATE_REVERTING_ERROR);
/* Add a new timeout */
timeout = g_timeout_add_seconds (tab->priv->auto_save_interval * 60, (GSourceFunc) xed_tab_auto_save, tab);
tab->priv->auto_save_timeout = timeout;
}
static gboolean
install_auto_save_timeout_if_needed (XedTab *tab)
{
XedDocument *doc;
xed_debug (DEBUG_TAB);
g_return_val_if_fail (tab->priv->auto_save_timeout <= 0, FALSE);
g_return_val_if_fail ((tab->priv->state == XED_TAB_STATE_NORMAL) ||
(tab->priv->state == XED_TAB_STATE_SHOWING_PRINT_PREVIEW) ||
(tab->priv->state == XED_TAB_STATE_CLOSING), FALSE);
if (tab->priv->state == XED_TAB_STATE_CLOSING)
{
return FALSE;
}
doc = xed_tab_get_document (tab);
if (tab->priv->auto_save && !xed_document_is_untitled (doc) && !xed_document_get_readonly (doc))
{
install_auto_save_timeout (tab);
return TRUE;
}
return FALSE;
}
static void
remove_auto_save_timeout (XedTab *tab)
{
xed_debug (DEBUG_TAB);
/* FIXME: check sugli stati */
g_return_if_fail (tab->priv->auto_save_timeout > 0);
g_source_remove (tab->priv->auto_save_timeout);
tab->priv->auto_save_timeout = 0;
}
static void
xed_tab_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
XedTab *tab = XED_TAB (object);
switch (prop_id)
{
case PROP_NAME:
g_value_take_string (value, _xed_tab_get_name (tab));
break;
case PROP_STATE:
g_value_set_enum (value, xed_tab_get_state (tab));
break;
case PROP_AUTO_SAVE:
g_value_set_boolean (value, xed_tab_get_auto_save_enabled (tab));
break;
case PROP_AUTO_SAVE_INTERVAL:
g_value_set_int (value, xed_tab_get_auto_save_interval (tab));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
xed_tab_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
XedTab *tab = XED_TAB (object);
switch (prop_id)
{
case PROP_AUTO_SAVE:
xed_tab_set_auto_save_enabled (tab, g_value_get_boolean (value));
break;
case PROP_AUTO_SAVE_INTERVAL:
xed_tab_set_auto_save_interval (tab, g_value_get_int (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
xed_tab_dispose (GObject *object)
{
XedTab *tab = XED_TAB (object);
if (tab->priv->tmp_save_location != NULL)
{
g_object_unref (tab->priv->tmp_save_location);
tab->priv->tmp_save_location = NULL;
}
g_clear_object (&tab->priv->editor);
G_OBJECT_CLASS (xed_tab_parent_class)->dispose (object);
}
static void
xed_tab_finalize (GObject *object)
{
XedTab *tab = XED_TAB (object);
if (tab->priv->timer != NULL)
{
g_timer_destroy (tab->priv->timer);
}
if (tab->priv->auto_save_timeout > 0)
{
remove_auto_save_timeout (tab);
}
G_OBJECT_CLASS (xed_tab_parent_class)->finalize (object);
}
static void
xed_tab_class_init (XedTabClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = xed_tab_dispose;
object_class->finalize = xed_tab_finalize;
object_class->get_property = xed_tab_get_property;
object_class->set_property = xed_tab_set_property;
g_object_class_install_property (object_class,
PROP_NAME,
g_param_spec_string ("name",
"Name",
"The tab's name",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_STATE,
g_param_spec_enum ("state",
"State",
"The tab's state",
XED_TYPE_TAB_STATE,
XED_TAB_STATE_NORMAL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_AUTO_SAVE,
g_param_spec_boolean ("autosave",
"Autosave",
"Autosave feature",
TRUE,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_AUTO_SAVE_INTERVAL,
g_param_spec_int ("autosave-interval",
"AutosaveInterval",
"Time between two autosaves",
0,
G_MAXINT,
0,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_type_class_add_private (object_class, sizeof (XedTabPrivate));
}
/**
* xed_tab_get_state:
* @tab: a #XedTab
*
* Gets the #XedTabState of @tab.
*
* Returns: the #XedTabState of @tab
*/
XedTabState
xed_tab_get_state (XedTab *tab)
{
g_return_val_if_fail (XED_IS_TAB (tab), XED_TAB_STATE_NORMAL);
return tab->priv->state;
}
static void
set_cursor_according_to_state (GtkTextView *view,
XedTabState state)
{
GdkCursor *cursor;
GdkWindow *text_window;
GdkWindow *left_window;
text_window = gtk_text_view_get_window (view, GTK_TEXT_WINDOW_TEXT);
left_window = gtk_text_view_get_window (view, GTK_TEXT_WINDOW_LEFT);
if ((state == XED_TAB_STATE_LOADING) ||
(state == XED_TAB_STATE_REVERTING) ||
(state == XED_TAB_STATE_SAVING) ||
(state == XED_TAB_STATE_PRINTING) ||
(state == XED_TAB_STATE_PRINT_PREVIEWING) ||
(state == XED_TAB_STATE_CLOSING))
{
cursor = gdk_cursor_new_for_display (gtk_widget_get_display (GTK_WIDGET (view)), GDK_WATCH);
if (text_window != NULL)
{
gdk_window_set_cursor (text_window, cursor);
}
if (left_window != NULL)
{
gdk_window_set_cursor (left_window, cursor);
}
g_object_unref (cursor);
}
else
{
cursor = gdk_cursor_new_for_display (gtk_widget_get_display (GTK_WIDGET (view)), GDK_XTERM);
if (text_window != NULL)
{
gdk_window_set_cursor (text_window, cursor);
}
if (left_window != NULL)
{
gdk_window_set_cursor (left_window, NULL);
}
g_object_unref (cursor);
}
}
static void
view_realized (GtkTextView *view,
XedTab *tab)
{
set_cursor_according_to_state (view, tab->priv->state);
}
static void
set_view_properties_according_to_state (XedTab *tab,
XedTabState state)
{
gboolean val;
gboolean hl_current_line;
hl_current_line = g_settings_get_boolean (tab->priv->editor, XED_SETTINGS_HIGHLIGHT_CURRENT_LINE);
val = ((state == XED_TAB_STATE_NORMAL) && (tab->priv->print_preview == NULL) && !tab->priv->not_editable);
gtk_text_view_set_editable (GTK_TEXT_VIEW (tab->priv->view), val);
val = ((state != XED_TAB_STATE_LOADING) && (state != XED_TAB_STATE_CLOSING));
gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (tab->priv->view), val);
val = ((state != XED_TAB_STATE_LOADING) &&
(state != XED_TAB_STATE_CLOSING) &&
(hl_current_line));
gtk_source_view_set_highlight_current_line (GTK_SOURCE_VIEW (tab->priv->view), val);
}
static void
xed_tab_set_state (XedTab *tab,
XedTabState state)
{
g_return_if_fail (XED_IS_TAB (tab));
g_return_if_fail ((state >= 0) && (state < XED_TAB_NUM_OF_STATES));
if (tab->priv->state == state)
{
return;
}
tab->priv->state = state;
set_view_properties_according_to_state (tab, state);
if ((state == XED_TAB_STATE_LOADING_ERROR) || /* FIXME: add other states if needed */
(state == XED_TAB_STATE_SHOWING_PRINT_PREVIEW))
{
gtk_widget_hide (tab->priv->view_scrolled_window);
}
else
{
if (tab->priv->print_preview == NULL)
{
gtk_widget_show (tab->priv->view_scrolled_window);
}
}
set_cursor_according_to_state (GTK_TEXT_VIEW (tab->priv->view), state);
g_object_notify (G_OBJECT (tab), "state");
}
static void
document_location_notify_handler (XedDocument *document,
GParamSpec *pspec,
XedTab *tab)
{
xed_debug (DEBUG_TAB);
/* Notify the change in the location */
g_object_notify (G_OBJECT (tab), "name");
}
static void
document_shortname_notify_handler (XedDocument *document,
GParamSpec *pspec,
XedTab *tab)
{
xed_debug (DEBUG_TAB);
/* Notify the change in the shortname */
g_object_notify (G_OBJECT (tab), "name");
}
static void
document_modified_changed (GtkTextBuffer *document,
XedTab *tab)
{
g_object_notify (G_OBJECT (tab), "name");
}
static void
set_message_area (XedTab *tab,
GtkWidget *message_area)
{
if (tab->priv->message_area == message_area)
{
return;
}
if (tab->priv->message_area != NULL)
{
gtk_widget_destroy (tab->priv->message_area);
}
tab->priv->message_area = message_area;
if (message_area == NULL)
{
return;
}
gtk_box_pack_start (GTK_BOX (tab), tab->priv->message_area, FALSE, FALSE, 0);
g_object_add_weak_pointer (G_OBJECT (tab->priv->message_area), (gpointer *)&tab->priv->message_area);
}
static void
remove_tab (XedTab *tab)
{
XedNotebook *notebook;
notebook = XED_NOTEBOOK (gtk_widget_get_parent (GTK_WIDGET (tab)));
xed_notebook_remove_tab (notebook, tab);
}
static void
io_loading_error_message_area_response (GtkWidget *message_area,
gint response_id,
XedTab *tab)
{
XedDocument *doc;
XedView *view;
GFile *location;
const XedEncoding *encoding;
doc = xed_tab_get_document (tab);
g_return_if_fail (XED_IS_DOCUMENT (doc));
view = xed_tab_get_view (tab);
g_return_if_fail (XED_IS_VIEW (view));
location = xed_document_get_location (doc);
g_return_if_fail (location != NULL);
switch (response_id)
{
case GTK_RESPONSE_OK:
encoding = xed_conversion_error_message_area_get_encoding (GTK_WIDGET (message_area));
if (encoding != NULL)
{
tab->priv->tmp_encoding = encoding;
}
set_message_area (tab, NULL);
xed_tab_set_state (tab, XED_TAB_STATE_LOADING);
g_return_if_fail (tab->priv->auto_save_timeout <= 0);
xed_document_load (doc, location, tab->priv->tmp_encoding, tab->priv->tmp_line_pos, FALSE);
break;
case GTK_RESPONSE_YES:
/* This means that we want to edit the document anyway */
set_message_area (tab, NULL);
_xed_document_set_readonly (doc, FALSE);
break;
case GTK_RESPONSE_NO:
/* We don't want to edit the document just show it */
set_message_area (tab, NULL);
break;
default:
_xed_recent_remove (XED_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (tab))), location);
remove_tab (tab);
break;
}
g_object_unref (location);
}
static void
file_already_open_warning_message_area_response (GtkWidget *message_area,
gint response_id,
XedTab *tab)
{
XedView *view;
view = xed_tab_get_view (tab);
if (response_id == GTK_RESPONSE_YES)
{
tab->priv->not_editable = FALSE;
gtk_text_view_set_editable (GTK_TEXT_VIEW (view), TRUE);
}
gtk_widget_destroy (message_area);
gtk_widget_grab_focus (GTK_WIDGET (view));
}
static void
load_cancelled (GtkWidget *area,
gint response_id,
XedTab *tab)
{
g_return_if_fail (XED_IS_PROGRESS_MESSAGE_AREA (tab->priv->message_area));
g_object_ref (tab);
xed_document_load_cancel (xed_tab_get_document (tab));
g_object_unref (tab);
}
static void
unrecoverable_reverting_error_message_area_response (GtkWidget *message_area,
gint response_id,
XedTab *tab)
{
XedView *view;
xed_tab_set_state (tab,
XED_TAB_STATE_NORMAL);
set_message_area (tab, NULL);
view = xed_tab_get_view (tab);
gtk_widget_grab_focus (GTK_WIDGET (view));
install_auto_save_timeout_if_needed (tab);
}
#define MAX_MSG_LENGTH 100
static void
show_loading_message_area (XedTab *tab)
{
GtkWidget *area;
XedDocument *doc = NULL;
gchar *name;
gchar *dirname = NULL;
gchar *msg = NULL;
gchar *name_markup;
gchar *dirname_markup;
gint len;
if (tab->priv->message_area != NULL)
{
return;
}
xed_debug (DEBUG_TAB);
doc = xed_tab_get_document (tab);
g_return_if_fail (doc != NULL);
name = xed_document_get_short_name_for_display (doc);
len = g_utf8_strlen (name, -1);
/* if the name is awfully long, truncate it and be done with it,
* otherwise also show the directory (ellipsized if needed)
*/
if (len > MAX_MSG_LENGTH)
{
gchar *str;
str = xed_utils_str_middle_truncate (name, MAX_MSG_LENGTH);
g_free (name);
name = str;
}
else
{
GFile *location;
location = xed_document_get_location (doc);
if (location != NULL)
{
gchar *str;
str = xed_utils_location_get_dirname_for_display (location);
g_object_unref (location);
/* use the remaining space for the dir, but use a min of 20 chars
* so that we do not end up with a dirname like "(a...b)".
* This means that in the worst case when the filename is long 99
* we have a title long 99 + 20, but I think it's a rare enough
* case to be acceptable. It's justa darn title afterall :)
*/
dirname = xed_utils_str_middle_truncate (str, MAX (20, MAX_MSG_LENGTH - len));
g_free (str);
}
}
name_markup = g_markup_printf_escaped ("<b>%s</b>", name);
if (tab->priv->state == XED_TAB_STATE_REVERTING)
{
if (dirname != NULL)
{
dirname_markup = g_markup_printf_escaped ("<b>%s</b>", dirname);
/* Translators: the first %s is a file name (e.g. test.txt) the second one
is a directory (e.g. ssh://master.gnome.org/home/users/paolo) */
msg = g_strdup_printf (_("Reverting %s from %s"), name_markup, dirname_markup);
g_free (dirname_markup);
}
else
{
msg = g_strdup_printf (_("Reverting %s"), name_markup);
}
area = xed_progress_message_area_new ("document-revert-symbolic", msg, TRUE);
}
else
{
if (dirname != NULL)
{
dirname_markup = g_markup_printf_escaped ("<b>%s</b>", dirname);
/* Translators: the first %s is a file name (e.g. test.txt) the second one
is a directory (e.g. ssh://master.gnome.org/home/users/paolo) */
msg = g_strdup_printf (_("Loading %s from %s"), name_markup, dirname_markup);
g_free (dirname_markup);
}
else
{
msg = g_strdup_printf (_("Loading %s"), name_markup);
}
area = xed_progress_message_area_new ("document-open-symbolic", msg, TRUE);
}
g_signal_connect (area, "response",
G_CALLBACK (load_cancelled), tab);
gtk_widget_show (area);
set_message_area (tab, area);
g_free (msg);
g_free (name);
g_free (name_markup);
g_free (dirname);
}
static void
show_saving_message_area (XedTab *tab)
{
GtkWidget *area;
XedDocument *doc = NULL;
gchar *short_name;
gchar *from;
gchar *to = NULL;
gchar *from_markup;
gchar *to_markup;
gchar *msg = NULL;
gint len;
g_return_if_fail (tab->priv->tmp_save_location != NULL);
if (tab->priv->message_area != NULL)
{
return;
}
xed_debug (DEBUG_TAB);
doc = xed_tab_get_document (tab);
g_return_if_fail (doc != NULL);
short_name = xed_document_get_short_name_for_display (doc);
len = g_utf8_strlen (short_name, -1);
/* if the name is awfully long, truncate it and be done with it,
* otherwise also show the directory (ellipsized if needed)
*/
if (len > MAX_MSG_LENGTH)
{
from = xed_utils_str_middle_truncate (short_name, MAX_MSG_LENGTH);
g_free (short_name);
}
else
{
gchar *str;
from = short_name;
to = xed_utils_uri_for_display (tab->priv->tmp_save_location);
str = xed_utils_str_middle_truncate (to, MAX (20, MAX_MSG_LENGTH - len));
g_free (to);
to = str;
}
from_markup = g_markup_printf_escaped ("<b>%s</b>", from);
if (to != NULL)
{
to_markup = g_markup_printf_escaped ("<b>%s</b>", to);
/* Translators: the first %s is a file name (e.g. test.txt) the second one
is a directory (e.g. ssh://master.gnome.org/home/users/paolo) */
msg = g_strdup_printf (_("Saving %s to %s"), from_markup, to_markup);
g_free (to_markup);
}
else
{
msg = g_strdup_printf (_("Saving %s"), from_markup);
}
area = xed_progress_message_area_new ("document-save-symbolic", msg, FALSE);
gtk_widget_show (area);
set_message_area (tab, area);
g_free (msg);
g_free (to);
g_free (from);
g_free (from_markup);
}
static void
message_area_set_progress (XedTab *tab,
goffset size,
goffset total_size)
{
if (tab->priv->message_area == NULL)
{
return;
}
xed_debug_message (DEBUG_TAB, "%" G_GUINT64_FORMAT "/%" G_GUINT64_FORMAT, size, total_size);
g_return_if_fail (XED_IS_PROGRESS_MESSAGE_AREA (tab->priv->message_area));
if (total_size == 0)
{
if (size != 0)
xed_progress_message_area_pulse (XED_PROGRESS_MESSAGE_AREA (tab->priv->message_area));
else
xed_progress_message_area_set_fraction (XED_PROGRESS_MESSAGE_AREA (tab->priv->message_area), 0);
}
else
{
gdouble frac;
frac = (gdouble)size / (gdouble)total_size;
xed_progress_message_area_set_fraction (XED_PROGRESS_MESSAGE_AREA (tab->priv->message_area), frac);
}
}
static void
document_loading (XedDocument *document,
goffset size,
goffset total_size,
XedTab *tab)
{
gdouble et;
gdouble total_time;
g_return_if_fail ((tab->priv->state == XED_TAB_STATE_LOADING) || (tab->priv->state == XED_TAB_STATE_REVERTING));
xed_debug_message (DEBUG_TAB, "%" G_GUINT64_FORMAT "/%" G_GUINT64_FORMAT, size, total_size);
if (tab->priv->timer == NULL)
{
g_return_if_fail (tab->priv->times_called == 0);
tab->priv->timer = g_timer_new ();
}
et = g_timer_elapsed (tab->priv->timer, NULL);
/* et : total_time = size : total_size */
total_time = (et * total_size) / size;
if ((total_time - et) > 3.0)
{
show_loading_message_area (tab);
}
message_area_set_progress (tab, size, total_size);
}
static gboolean
remove_tab_idle (XedTab *tab)
{
remove_tab (tab);
return FALSE;
}
static void
document_loaded (XedDocument *document,
const GError *error,
XedTab *tab)
{
GtkWidget *emsg;
GFile *location;
const XedEncoding *encoding;
g_return_if_fail ((tab->priv->state == XED_TAB_STATE_LOADING) || (tab->priv->state == XED_TAB_STATE_REVERTING));
g_return_if_fail (tab->priv->auto_save_timeout <= 0);
if (tab->priv->timer != NULL)
{
g_timer_destroy (tab->priv->timer);
tab->priv->timer = NULL;
}
tab->priv->times_called = 0;
set_message_area (tab, NULL);
location = xed_document_get_location (document);
/* if the error is CONVERSION FALLBACK don't treat it as a normal error */
if (error != NULL && (error->domain != XED_DOCUMENT_ERROR || error->code != XED_DOCUMENT_ERROR_CONVERSION_FALLBACK))
{
if (tab->priv->state == XED_TAB_STATE_LOADING)
{
xed_tab_set_state (tab, XED_TAB_STATE_LOADING_ERROR);
}
else
{
xed_tab_set_state (tab, XED_TAB_STATE_REVERTING_ERROR);
}
encoding = xed_document_get_encoding (document);
if (error->domain == G_IO_ERROR && error->code == G_IO_ERROR_CANCELLED)
{
/* remove the tab, but in an idle handler, since
* we are in the handler of doc loaded and we
* don't want doc and tab to be finalized now.
*/
g_idle_add ((GSourceFunc) remove_tab_idle, tab);
goto end;
}
else
{
_xed_recent_remove (XED_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (tab))), location);
if (tab->priv->state == XED_TAB_STATE_LOADING_ERROR)
{
emsg = xed_io_loading_error_message_area_new (location, tab->priv->tmp_encoding, error);
g_signal_connect (emsg, "response",
G_CALLBACK (io_loading_error_message_area_response), tab);
}
else
{
g_return_if_fail (tab->priv->state == XED_TAB_STATE_REVERTING_ERROR);
emsg = xed_unrecoverable_reverting_error_message_area_new (location, error);
g_signal_connect (emsg, "response",
G_CALLBACK (unrecoverable_reverting_error_message_area_response), tab);
}
set_message_area (tab, emsg);
}
gtk_info_bar_set_default_response (GTK_INFO_BAR (emsg), GTK_RESPONSE_CANCEL);
gtk_widget_show (emsg);
g_object_unref (location);
return;
}
else
{
gchar *mime;
GList *all_documents;
GList *l;
g_return_if_fail (location != NULL);
mime = xed_document_get_mime_type (document);
_xed_recent_add (XED_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (tab))), location, mime);
g_free (mime);
if (error && error->domain == XED_DOCUMENT_ERROR && error->code == XED_DOCUMENT_ERROR_CONVERSION_FALLBACK)
{
GtkWidget *emsg;
_xed_document_set_readonly (document, TRUE);
emsg = xed_io_loading_error_message_area_new (location, tab->priv->tmp_encoding, error);
set_message_area (tab, emsg);
g_signal_connect (emsg, "response",
G_CALLBACK (io_loading_error_message_area_response), tab);
gtk_info_bar_set_default_response (GTK_INFO_BAR (emsg), GTK_RESPONSE_CANCEL);
gtk_widget_show (emsg);
}
/* Scroll to the cursor when the document is loaded */
xed_view_scroll_to_cursor (XED_VIEW (tab->priv->view));
all_documents = xed_app_get_documents (xed_app_get_default ());
for (l = all_documents; l != NULL; l = g_list_next (l))
{
XedDocument *d = XED_DOCUMENT (l->data);
if (d != document)
{
GFile *loc;
loc = xed_document_get_location (d);
if ((loc != NULL) && g_file_equal (location, loc))
{
GtkWidget *w;
XedView *view;
view = xed_tab_get_view (tab);
tab->priv->not_editable = TRUE;
w = xed_file_already_open_warning_message_area_new (location);
set_message_area (tab, w);
gtk_info_bar_set_default_response (GTK_INFO_BAR (w), GTK_RESPONSE_CANCEL);
gtk_widget_show (w);
g_signal_connect (w, "response",
G_CALLBACK (file_already_open_warning_message_area_response), tab);
g_object_unref (loc);
break;
}
if (loc != NULL)
{
g_object_unref (loc);
}
}
}
g_list_free (all_documents);
xed_tab_set_state (tab, XED_TAB_STATE_NORMAL);
install_auto_save_timeout_if_needed (tab);
tab->priv->ask_if_externally_modified = TRUE;
}
end:
g_object_unref (location);
tab->priv->tmp_line_pos = 0;
tab->priv->tmp_encoding = NULL;
}
static void
document_saving (XedDocument *document,
goffset size,
goffset total_size,
XedTab *tab)
{
gdouble et;
gdouble total_time;
g_return_if_fail (tab->priv->state == XED_TAB_STATE_SAVING);
xed_debug_message (DEBUG_TAB, "%" G_GUINT64_FORMAT "/%" G_GUINT64_FORMAT, size, total_size);
if (tab->priv->timer == NULL)
{
g_return_if_fail (tab->priv->times_called == 0);
tab->priv->timer = g_timer_new ();
}
et = g_timer_elapsed (tab->priv->timer, NULL);
/* et : total_time = size : total_size */
total_time = (et * total_size)/size;
if ((total_time - et) > 3.0)
{
show_saving_message_area (tab);
}
message_area_set_progress (tab, size, total_size);
tab->priv->times_called++;
}
static void
end_saving (XedTab *tab)
{
/* Reset tmp data for saving */
if (tab->priv->tmp_save_location)
{
g_object_unref (tab->priv->tmp_save_location);
tab->priv->tmp_save_location = NULL;
}
tab->priv->tmp_encoding = NULL;
install_auto_save_timeout_if_needed (tab);
}
static void
unrecoverable_saving_error_message_area_response (GtkWidget *message_area,
gint response_id,
XedTab *tab)
{
XedView *view;
if (tab->priv->print_preview != NULL)
{
xed_tab_set_state (tab, XED_TAB_STATE_SHOWING_PRINT_PREVIEW);
}
else
{
xed_tab_set_state (tab, XED_TAB_STATE_NORMAL);
}
end_saving (tab);
set_message_area (tab, NULL);
view = xed_tab_get_view (tab);
gtk_widget_grab_focus (GTK_WIDGET (view));
}
static void
no_backup_error_message_area_response (GtkWidget *message_area,
gint response_id,
XedTab *tab)
{
if (response_id == GTK_RESPONSE_YES)
{
XedDocument *doc;
doc = xed_tab_get_document (tab);
g_return_if_fail (XED_IS_DOCUMENT (doc));
set_message_area (tab, NULL);
g_return_if_fail (tab->priv->tmp_save_location != NULL);
g_return_if_fail (tab->priv->tmp_encoding != NULL);
xed_tab_set_state (tab, XED_TAB_STATE_SAVING);
/* don't bug the user again with this... */
tab->priv->save_flags |= XED_DOCUMENT_SAVE_IGNORE_BACKUP;
g_return_if_fail (tab->priv->auto_save_timeout <= 0);
/* Force saving */
xed_document_save (doc, tab->priv->save_flags);
}
else
{
unrecoverable_saving_error_message_area_response (message_area, response_id, tab);
}
}
static void
externally_modified_error_message_area_response (GtkWidget *message_area,
gint response_id,
XedTab *tab)
{
if (response_id == GTK_RESPONSE_YES)
{
XedDocument *doc;
doc = xed_tab_get_document (tab);
g_return_if_fail (XED_IS_DOCUMENT (doc));
set_message_area (tab, NULL);
g_return_if_fail (tab->priv->tmp_save_location != NULL);
g_return_if_fail (tab->priv->tmp_encoding != NULL);
xed_tab_set_state (tab, XED_TAB_STATE_SAVING);
g_return_if_fail (tab->priv->auto_save_timeout <= 0);
/* ignore mtime should not be persisted in save flags across saves */
/* Force saving */
xed_document_save (doc, tab->priv->save_flags | XED_DOCUMENT_SAVE_IGNORE_MTIME);
}
else
{
unrecoverable_saving_error_message_area_response (message_area, response_id, tab);
}
}
static void
recoverable_saving_error_message_area_response (GtkWidget *message_area,
gint response_id,
XedTab *tab)
{
XedDocument *doc;
doc = xed_tab_get_document (tab);
g_return_if_fail (XED_IS_DOCUMENT (doc));
if (response_id == GTK_RESPONSE_OK)
{
const XedEncoding *encoding;
gchar *tmp_uri;
encoding = xed_conversion_error_message_area_get_encoding (GTK_WIDGET (message_area));
g_return_if_fail (encoding != NULL);
set_message_area (tab, NULL);
g_return_if_fail (tab->priv->tmp_save_location != NULL);
xed_tab_set_state (tab, XED_TAB_STATE_SAVING);
tab->priv->tmp_encoding = encoding;
tmp_uri = g_file_get_uri (tab->priv->tmp_save_location);
xed_debug_message (DEBUG_TAB, "Force saving with URI '%s'", tmp_uri);
g_free (tmp_uri);
g_return_if_fail (tab->priv->auto_save_timeout <= 0);
xed_document_save_as (doc, tab->priv->tmp_save_location, tab->priv->tmp_encoding, tab->priv->save_flags);
}
else
{
unrecoverable_saving_error_message_area_response (message_area, response_id, tab);
}
}
static void
document_saved (XedDocument *document,
const GError *error,
XedTab *tab)
{
GtkWidget *emsg;
g_return_if_fail (tab->priv->state == XED_TAB_STATE_SAVING);
g_return_if_fail (tab->priv->tmp_save_location != NULL);
g_return_if_fail (tab->priv->tmp_encoding != NULL);
g_return_if_fail (tab->priv->auto_save_timeout <= 0);
g_timer_destroy (tab->priv->timer);
tab->priv->timer = NULL;
tab->priv->times_called = 0;
set_message_area (tab, NULL);
if (error != NULL)
{
xed_tab_set_state (tab, XED_TAB_STATE_SAVING_ERROR);
if (error->domain == XED_DOCUMENT_ERROR && error->code == XED_DOCUMENT_ERROR_EXTERNALLY_MODIFIED)
{
/* This error is recoverable */
emsg = xed_externally_modified_saving_error_message_area_new (tab->priv->tmp_save_location, error);
g_return_if_fail (emsg != NULL);
set_message_area (tab, emsg);
g_signal_connect (emsg, "response",
G_CALLBACK (externally_modified_error_message_area_response), tab);
}
else if ((error->domain == XED_DOCUMENT_ERROR &&
error->code == XED_DOCUMENT_ERROR_CANT_CREATE_BACKUP) ||
(error->domain == G_IO_ERROR &&
error->code == G_IO_ERROR_CANT_CREATE_BACKUP))
{
/* This error is recoverable */
emsg = xed_no_backup_saving_error_message_area_new (tab->priv->tmp_save_location, error);
g_return_if_fail (emsg != NULL);
set_message_area (tab, emsg);
g_signal_connect (emsg, "response",
G_CALLBACK (no_backup_error_message_area_response), tab);
}
else if (error->domain == XED_DOCUMENT_ERROR ||
(error->domain == G_IO_ERROR &&
error->code != G_IO_ERROR_INVALID_DATA &&
error->code != G_IO_ERROR_PARTIAL_INPUT))
{
/* These errors are _NOT_ recoverable */
_xed_recent_remove (XED_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (tab))), tab->priv->tmp_save_location);
emsg = xed_unrecoverable_saving_error_message_area_new (tab->priv->tmp_save_location, error);
g_return_if_fail (emsg != NULL);
set_message_area (tab, emsg);
g_signal_connect (emsg, "response",
G_CALLBACK (unrecoverable_saving_error_message_area_response), tab);
}
else
{
/* This error is recoverable */
g_return_if_fail (error->domain == G_CONVERT_ERROR || error->domain == G_IO_ERROR);
emsg = xed_conversion_error_while_saving_message_area_new (tab->priv->tmp_save_location,
tab->priv->tmp_encoding,
error);
set_message_area (tab, emsg);
g_signal_connect (emsg, "response",
G_CALLBACK (recoverable_saving_error_message_area_response), tab);
}
gtk_info_bar_set_default_response (GTK_INFO_BAR (emsg), GTK_RESPONSE_CANCEL);
gtk_widget_show (emsg);
}
else
{
gchar *mime = xed_document_get_mime_type (document);
_xed_recent_add (XED_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (tab))), tab->priv->tmp_save_location, mime);
g_free (mime);
if (tab->priv->print_preview != NULL)
{
xed_tab_set_state (tab, XED_TAB_STATE_SHOWING_PRINT_PREVIEW);
}
else
{
xed_tab_set_state (tab, XED_TAB_STATE_NORMAL);
}
tab->priv->ask_if_externally_modified = TRUE;
end_saving (tab);
}
}
static void
externally_modified_notification_message_area_response (GtkWidget *message_area,
gint response_id,
XedTab *tab)
{
XedView *view;
set_message_area (tab, NULL);
view = xed_tab_get_view (tab);
if (response_id == GTK_RESPONSE_OK)
{
_xed_tab_revert (tab);
}
else
{
tab->priv->ask_if_externally_modified = FALSE;
/* go back to normal state */
xed_tab_set_state (tab, XED_TAB_STATE_NORMAL);
}
gtk_widget_grab_focus (GTK_WIDGET (view));
}
static void
display_externally_modified_notification (XedTab *tab)
{
GtkWidget *message_area;
XedDocument *doc;
GFile *location;
gboolean document_modified;
doc = xed_tab_get_document (tab);
g_return_if_fail (XED_IS_DOCUMENT (doc));
/* we're here because the file we're editing changed on disk */
location = xed_document_get_location (doc);
g_return_if_fail (location != NULL);
document_modified = gtk_text_buffer_get_modified (GTK_TEXT_BUFFER(doc));
message_area = xed_externally_modified_message_area_new (location, document_modified);
g_object_unref (location);
tab->priv->message_area = NULL;
set_message_area (tab, message_area);
gtk_widget_show (message_area);
g_signal_connect (message_area, "response",
G_CALLBACK (externally_modified_notification_message_area_response), tab);
}
static gboolean
view_focused_in (GtkWidget *widget,
GdkEventFocus *event,
XedTab *tab)
{
XedDocument *doc;
g_return_val_if_fail (XED_IS_TAB (tab), FALSE);
/* we try to detect file changes only in the normal state */
if (tab->priv->state != XED_TAB_STATE_NORMAL)
{
return FALSE;
}
/* we already asked, don't bug the user again */
if (!tab->priv->ask_if_externally_modified)
{
return FALSE;
}
doc = xed_tab_get_document (tab);
/* If file was never saved or is remote we do not check */
if (!xed_document_is_local (doc))
{
return FALSE;
}
if (_xed_document_check_externally_modified (doc))
{
xed_tab_set_state (tab, XED_TAB_STATE_EXTERNALLY_MODIFIED_NOTIFICATION);
display_externally_modified_notification (tab);
return FALSE;
}
return FALSE;
}
static GMountOperation *
tab_mount_operation_factory (XedDocument *doc,
gpointer userdata)
{
XedTab *tab = XED_TAB (userdata);
GtkWidget *window;
window = gtk_widget_get_toplevel (GTK_WIDGET (tab));
return gtk_mount_operation_new (GTK_WINDOW (window));
}
static void
xed_tab_init (XedTab *tab)
{
GtkWidget *sw;
XedDocument *doc;
gboolean auto_save;
guint auto_save_interval;
tab->priv = XED_TAB_GET_PRIVATE (tab);
tab->priv->editor = g_settings_new ("org.x.editor.preferences.editor");
tab->priv->state = XED_TAB_STATE_NORMAL;
tab->priv->not_editable = FALSE;
tab->priv->save_flags = 0;
tab->priv->ask_if_externally_modified = TRUE;
gtk_orientable_set_orientation (GTK_ORIENTABLE (tab), GTK_ORIENTATION_VERTICAL);
/* Create the scrolled window */
sw = gtk_scrolled_window_new (NULL, NULL);
tab->priv->view_scrolled_window = sw;
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
/* Manage auto save data */
auto_save = g_settings_get_boolean (tab->priv->editor, XED_SETTINGS_AUTO_SAVE);
auto_save_interval = g_settings_get_uint (tab->priv->editor, XED_SETTINGS_AUTO_SAVE_INTERVAL);
tab->priv->auto_save = auto_save;
tab->priv->auto_save = (tab->priv->auto_save != FALSE);
tab->priv->auto_save_interval = auto_save_interval;
/*FIXME
if (tab->priv->auto_save_interval <= 0)
{
tab->priv->auto_save_interval = GPM_DEFAULT_AUTO_SAVE_INTERVAL;
}*/
/* Create the view */
doc = xed_document_new ();
g_object_set_data (G_OBJECT (doc), XED_TAB_KEY, tab);
_xed_document_set_mount_operation_factory (doc, tab_mount_operation_factory, tab);
tab->priv->view = xed_view_new (doc);
g_object_unref (doc);
gtk_widget_show (tab->priv->view);
g_object_set_data (G_OBJECT (tab->priv->view), XED_TAB_KEY, tab);
gtk_box_pack_end (GTK_BOX (tab), sw, TRUE, TRUE, 0);
gtk_container_add (GTK_CONTAINER (sw), tab->priv->view);
gtk_widget_show (sw);
g_signal_connect (doc, "notify::location",
G_CALLBACK (document_location_notify_handler), tab);
g_signal_connect (doc, "notify::shortname",
G_CALLBACK (document_shortname_notify_handler), tab);
g_signal_connect (doc, "modified_changed",
G_CALLBACK (document_modified_changed), tab);
g_signal_connect (doc, "loading",
G_CALLBACK (document_loading), tab);
g_signal_connect (doc, "loaded",
G_CALLBACK (document_loaded), tab);
g_signal_connect (doc, "saving",
G_CALLBACK (document_saving), tab);
g_signal_connect (doc, "saved",
G_CALLBACK (document_saved), tab);
g_signal_connect_after (tab->priv->view, "focus-in-event",
G_CALLBACK (view_focused_in), tab);
g_signal_connect_after (tab->priv->view, "realize",
G_CALLBACK (view_realized), tab);
}
GtkWidget *
_xed_tab_new (void)
{
return GTK_WIDGET (g_object_new (XED_TYPE_TAB, NULL));
}
/* Whether create is TRUE, creates a new empty document if location does
not refer to an existing file */
GtkWidget *
_xed_tab_new_from_location (GFile *location,
const XedEncoding *encoding,
gint line_pos,
gboolean create)
{
XedTab *tab;
g_return_val_if_fail (G_IS_FILE (location), NULL);
tab = XED_TAB (_xed_tab_new ());
_xed_tab_load (tab, location, encoding, line_pos, create);
return GTK_WIDGET (tab);
}
/**
* xed_tab_get_view:
* @tab: a #XedTab
*
* Gets the #XedView inside @tab.
*
* Returns: (transfer none): the #XedView inside @tab
*/
XedView *
xed_tab_get_view (XedTab *tab)
{
return XED_VIEW (tab->priv->view);
}
/**
* xed_tab_get_document:
* @tab: a #XedTab
*
* Gets the #XedDocument associated to @tab.
*
* Returns: (transfer none): the #XedDocument associated to @tab
*/
XedDocument *
xed_tab_get_document (XedTab *tab)
{
return XED_DOCUMENT (gtk_text_view_get_buffer (GTK_TEXT_VIEW (tab->priv->view)));
}
#define MAX_DOC_NAME_LENGTH 40
gchar *
_xed_tab_get_name (XedTab *tab)
{
XedDocument *doc;
gchar *name;
gchar *docname;
gchar *tab_name;
g_return_val_if_fail (XED_IS_TAB (tab), NULL);
doc = xed_tab_get_document (tab);
name = xed_document_get_short_name_for_display (doc);
/* Truncate the name so it doesn't get insanely wide. */
docname = xed_utils_str_middle_truncate (name, MAX_DOC_NAME_LENGTH);
if (gtk_text_buffer_get_modified (GTK_TEXT_BUFFER (doc)))
{
tab_name = g_strdup_printf ("*%s", docname);
}
else
{
#if 0
if (xed_document_get_readonly (doc))
{
tab_name = g_strdup_printf ("%s [%s]", docname,
/*Read only*/ _("RO"));
}
else
{
tab_name = g_strdup_printf ("%s", docname);
}
#endif
tab_name = g_strdup (docname);
}
g_free (docname);
g_free (name);
return tab_name;
}
gchar *
_xed_tab_get_tooltips (XedTab *tab)
{
XedDocument *doc;
gchar *tip;
gchar *uri;
gchar *ruri;
gchar *ruri_markup;
g_return_val_if_fail (XED_IS_TAB (tab), NULL);
doc = xed_tab_get_document (tab);
uri = xed_document_get_uri_for_display (doc);
g_return_val_if_fail (uri != NULL, NULL);
ruri = xed_utils_replace_home_dir_with_tilde (uri);
g_free (uri);
ruri_markup = g_markup_printf_escaped ("<i>%s</i>", ruri);
switch (tab->priv->state)
{
gchar *content_type;
gchar *mime_type;
gchar *content_description;
gchar *content_full_description;
gchar *encoding;
const XedEncoding *enc;
case XED_TAB_STATE_LOADING_ERROR:
tip = g_strdup_printf (_("Error opening file %s"), ruri_markup);
break;
case XED_TAB_STATE_REVERTING_ERROR:
tip = g_strdup_printf (_("Error reverting file %s"), ruri_markup);
break;
case XED_TAB_STATE_SAVING_ERROR:
tip = g_strdup_printf (_("Error saving file %s"), ruri_markup);
break;
default:
content_type = xed_document_get_content_type (doc);
mime_type = xed_document_get_mime_type (doc);
content_description = g_content_type_get_description (content_type);
if (content_description == NULL)
{
content_full_description = g_strdup (mime_type);
}
else
{
content_full_description = g_strdup_printf ("%s (%s)", content_description, mime_type);
}
g_free (content_type);
g_free (mime_type);
g_free (content_description);
enc = xed_document_get_encoding (doc);
if (enc == NULL)
{
encoding = g_strdup (_("Unicode (UTF-8)"));
}
else
{
encoding = xed_encoding_to_string (enc);
}
tip = g_markup_printf_escaped ("<b>%s</b> %s\n\n"
"<b>%s</b> %s\n"
"<b>%s</b> %s",
_("Name:"), ruri,
_("MIME Type:"), content_full_description,
_("Encoding:"), encoding);
g_free (encoding);
g_free (content_full_description);
break;
}
g_free (ruri);
g_free (ruri_markup);
return tip;
}
static GdkPixbuf *
get_icon (GtkIconTheme *theme,
GFile *location,
gint size)
{
GdkPixbuf *pixbuf;
GtkIconInfo *icon_info;
GFileInfo *info;
GIcon *gicon;
if (location == NULL)
{
return gtk_icon_theme_load_icon (theme, "text-x-generic", size, 0, NULL);
}
/* FIXME: Doing a sync stat is bad, this should be fixed */
info = g_file_query_info (location,
G_FILE_ATTRIBUTE_STANDARD_ICON,
G_FILE_QUERY_INFO_NONE,
NULL,
NULL);
if (info == NULL)
{
return gtk_icon_theme_load_icon (theme, "text-x-generic", size, 0, NULL);
}
gicon = g_file_info_get_icon (info);
if (gicon == NULL)
{
g_object_unref (info);
return gtk_icon_theme_load_icon (theme, "text-x-generic", size, 0, NULL);
}
icon_info = gtk_icon_theme_lookup_by_gicon (theme, gicon, size, 0);
g_object_unref (info);
if (icon_info == NULL)
{
return gtk_icon_theme_load_icon (theme, "text-x-generic", size, 0, NULL);
}
pixbuf = gtk_icon_info_load_icon (icon_info, NULL);
g_object_unref (icon_info);
if (pixbuf == NULL)
{
return gtk_icon_theme_load_icon (theme, "text-x-generic", size, 0, NULL);
}
return pixbuf;
}
/* FIXME: add support for theme changed. I think it should be as easy as
call g_object_notify (tab, "name") when the icon theme changes */
GdkPixbuf *
_xed_tab_get_icon (XedTab *tab)
{
GdkScreen *screen;
GtkIconTheme *theme;
gint icon_size;
const gchar *icon_name;
GdkPixbuf *pixbuf = NULL;
g_return_val_if_fail (XED_IS_TAB (tab), NULL);
screen = gtk_widget_get_screen (GTK_WIDGET (tab));
theme = gtk_icon_theme_get_for_screen (screen);
g_return_val_if_fail (theme != NULL, NULL);
gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, NULL, &icon_size);
switch (tab->priv->state)
{
case XED_TAB_STATE_LOADING:
icon_name = "document-open-symbolic";
break;
case XED_TAB_STATE_REVERTING:
icon_name = "document-revert-symbolic";
break;
case XED_TAB_STATE_SAVING:
icon_name = "document-save-symbolic";
break;
case XED_TAB_STATE_PRINTING:
icon_name = "printer-printing-symbolic";
break;
case XED_TAB_STATE_PRINT_PREVIEWING:
case XED_TAB_STATE_SHOWING_PRINT_PREVIEW:
icon_name = "printer-symbolic";
break;
case XED_TAB_STATE_LOADING_ERROR:
case XED_TAB_STATE_REVERTING_ERROR:
case XED_TAB_STATE_SAVING_ERROR:
case XED_TAB_STATE_GENERIC_ERROR:
icon_name = "dialog-error-symbolic";
break;
case XED_TAB_STATE_EXTERNALLY_MODIFIED_NOTIFICATION:
icon_name = "dialog-warning-symbolic";
break;
default:
icon_name = NULL;
}
if (icon_name != NULL)
{
pixbuf = gtk_icon_theme_load_icon (theme, icon_name, icon_size, 0, NULL);
}
else
{
GFile *location;
XedDocument *doc;
doc = xed_tab_get_document (tab);
location = xed_document_get_location (doc);
pixbuf = get_icon (theme, location, icon_size);
}
return pixbuf;
}
/**
* xed_tab_get_from_document:
* @doc: a #XedDocument
*
* Gets the #XedTab associated with @doc.
*
* Returns: (transfer none): the #XedTab associated with @doc
*/
XedTab *
xed_tab_get_from_document (XedDocument *doc)
{
gpointer res;
g_return_val_if_fail (XED_IS_DOCUMENT (doc), NULL);
res = g_object_get_data (G_OBJECT (doc), XED_TAB_KEY);
return (res != NULL) ? XED_TAB (res) : NULL;
}
void
_xed_tab_load (XedTab *tab,
GFile *location,
const XedEncoding *encoding,
gint line_pos,
gboolean create)
{
XedDocument *doc;
g_return_if_fail (XED_IS_TAB (tab));
g_return_if_fail (G_IS_FILE (location));
g_return_if_fail (tab->priv->state == XED_TAB_STATE_NORMAL);
doc = xed_tab_get_document (tab);
g_return_if_fail (XED_IS_DOCUMENT (doc));
xed_tab_set_state (tab, XED_TAB_STATE_LOADING);
tab->priv->tmp_line_pos = line_pos;
tab->priv->tmp_encoding = encoding;
if (tab->priv->auto_save_timeout > 0)
{
remove_auto_save_timeout (tab);
}
xed_document_load (doc, location, encoding, line_pos, create);
}
void
_xed_tab_revert (XedTab *tab)
{
XedDocument *doc;
GFile *location;
g_return_if_fail (XED_IS_TAB (tab));
g_return_if_fail ((tab->priv->state == XED_TAB_STATE_NORMAL) ||
(tab->priv->state == XED_TAB_STATE_EXTERNALLY_MODIFIED_NOTIFICATION));
if (tab->priv->state == XED_TAB_STATE_EXTERNALLY_MODIFIED_NOTIFICATION)
{
set_message_area (tab, NULL);
}
doc = xed_tab_get_document (tab);
g_return_if_fail (XED_IS_DOCUMENT (doc));
xed_tab_set_state (tab, XED_TAB_STATE_REVERTING);
location = xed_document_get_location (doc);
g_return_if_fail (location != NULL);
tab->priv->tmp_line_pos = 0;
tab->priv->tmp_encoding = xed_document_get_encoding (doc);
if (tab->priv->auto_save_timeout > 0)
{
remove_auto_save_timeout (tab);
}
xed_document_load (doc, location, tab->priv->tmp_encoding, 0, FALSE);
g_object_unref (location);
}
void
_xed_tab_save (XedTab *tab)
{
XedDocument *doc;
XedDocumentSaveFlags save_flags;
g_return_if_fail (XED_IS_TAB (tab));
g_return_if_fail ((tab->priv->state == XED_TAB_STATE_NORMAL) ||
(tab->priv->state == XED_TAB_STATE_EXTERNALLY_MODIFIED_NOTIFICATION) ||
(tab->priv->state == XED_TAB_STATE_SHOWING_PRINT_PREVIEW));
g_return_if_fail (tab->priv->tmp_save_location == NULL);
g_return_if_fail (tab->priv->tmp_encoding == NULL);
doc = xed_tab_get_document (tab);
g_return_if_fail (XED_IS_DOCUMENT (doc));
g_return_if_fail (!xed_document_is_untitled (doc));
if (tab->priv->state == XED_TAB_STATE_EXTERNALLY_MODIFIED_NOTIFICATION)
{
/* We already told the user about the external
* modification: hide the message area and set
* the save flag.
*/
set_message_area (tab, NULL);
save_flags = tab->priv->save_flags | XED_DOCUMENT_SAVE_IGNORE_MTIME;
}
else
{
save_flags = tab->priv->save_flags;
}
xed_tab_set_state (tab, XED_TAB_STATE_SAVING);
/* uri used in error messages, will be freed in document_saved */
tab->priv->tmp_save_location = xed_document_get_location (doc);
tab->priv->tmp_encoding = xed_document_get_encoding (doc);
if (tab->priv->auto_save_timeout > 0)
{
remove_auto_save_timeout (tab);
}
xed_document_save (doc, save_flags);
}
static gboolean
xed_tab_auto_save (XedTab *tab)
{
XedDocument *doc;
xed_debug (DEBUG_TAB);
g_return_val_if_fail (tab->priv->tmp_save_location == NULL, FALSE);
g_return_val_if_fail (tab->priv->tmp_encoding == NULL, FALSE);
doc = xed_tab_get_document (tab);
g_return_val_if_fail (!xed_document_is_untitled (doc), FALSE);
g_return_val_if_fail (!xed_document_get_readonly (doc), FALSE);
g_return_val_if_fail (tab->priv->auto_save_timeout > 0, FALSE);
g_return_val_if_fail (tab->priv->auto_save, FALSE);
g_return_val_if_fail (tab->priv->auto_save_interval > 0, FALSE);
if (!gtk_text_buffer_get_modified (GTK_TEXT_BUFFER(doc)))
{
xed_debug_message (DEBUG_TAB, "Document not modified");
return TRUE;
}
if ((tab->priv->state != XED_TAB_STATE_NORMAL) && (tab->priv->state != XED_TAB_STATE_SHOWING_PRINT_PREVIEW))
{
/* Retry after 30 seconds */
guint timeout;
xed_debug_message (DEBUG_TAB, "Retry after 30 seconds");
/* Add a new timeout */
timeout = g_timeout_add_seconds (30, (GSourceFunc) xed_tab_auto_save, tab);
tab->priv->auto_save_timeout = timeout;
/* Returns FALSE so the old timeout is "destroyed" */
return FALSE;
}
xed_tab_set_state (tab, XED_TAB_STATE_SAVING);
/* uri used in error messages, will be freed in document_saved */
tab->priv->tmp_save_location = xed_document_get_location (doc);
tab->priv->tmp_encoding = xed_document_get_encoding (doc);
/* Set auto_save_timeout to 0 since the timeout is going to be destroyed */
tab->priv->auto_save_timeout = 0;
/* Since we are autosaving, we need to preserve the backup that was produced
the last time the user "manually" saved the file. In the case a recoverable
error happens while saving, the last backup is not preserved since the user
expressed his willing of saving the file */
xed_document_save (doc, tab->priv->save_flags | XED_DOCUMENT_SAVE_PRESERVE_BACKUP);
xed_debug_message (DEBUG_TAB, "Done");
/* Returns FALSE so the old timeout is "destroyed" */
return FALSE;
}
void
_xed_tab_save_as (XedTab *tab,
GFile *location,
const XedEncoding *encoding,
XedDocumentNewlineType newline_type)
{
XedDocument *doc;
XedDocumentSaveFlags save_flags;
g_return_if_fail (XED_IS_TAB (tab));
g_return_if_fail ((tab->priv->state == XED_TAB_STATE_NORMAL) ||
(tab->priv->state == XED_TAB_STATE_EXTERNALLY_MODIFIED_NOTIFICATION) ||
(tab->priv->state == XED_TAB_STATE_SHOWING_PRINT_PREVIEW));
g_return_if_fail (G_IS_FILE (location));
g_return_if_fail (encoding != NULL);
g_return_if_fail (tab->priv->tmp_save_location == NULL);
g_return_if_fail (tab->priv->tmp_encoding == NULL);
doc = xed_tab_get_document (tab);
g_return_if_fail (XED_IS_DOCUMENT (doc));
/* reset the save flags, when saving as */
tab->priv->save_flags = 0;
if (tab->priv->state == XED_TAB_STATE_EXTERNALLY_MODIFIED_NOTIFICATION)
{
/* We already told the user about the external
* modification: hide the message area and set
* the save flag.
*/
set_message_area (tab, NULL);
save_flags = tab->priv->save_flags | XED_DOCUMENT_SAVE_IGNORE_MTIME;
}
else
{
save_flags = tab->priv->save_flags;
}
xed_tab_set_state (tab, XED_TAB_STATE_SAVING);
/* uri used in error messages... strdup because errors are async
* and the string can go away, will be freed in document_saved */
tab->priv->tmp_save_location = g_file_dup (location);
tab->priv->tmp_encoding = encoding;
if (tab->priv->auto_save_timeout > 0)
{
remove_auto_save_timeout (tab);
}
/* FIXME: this should behave the same as encoding, setting it here
makes it persistent (if save fails, it's remembered). It's not
a very big deal, but would be nice to have them follow the
same pattern. This can be changed once we break API for 3.0 */
xed_document_set_newline_type (doc, newline_type);
xed_document_save_as (doc, location, encoding, tab->priv->save_flags);
}
#define XED_PAGE_SETUP_KEY "xed-page-setup-key"
#define XED_PRINT_SETTINGS_KEY "xed-print-settings-key"
static GtkPageSetup *
get_page_setup (XedTab *tab)
{
gpointer data;
XedDocument *doc;
doc = xed_tab_get_document (tab);
data = g_object_get_data (G_OBJECT (doc), XED_PAGE_SETUP_KEY);
if (data == NULL)
{
return _xed_app_get_default_page_setup (xed_app_get_default());
}
else
{
return gtk_page_setup_copy (GTK_PAGE_SETUP (data));
}
}
static GtkPrintSettings *
get_print_settings (XedTab *tab)
{
gpointer data;
XedDocument *doc;
GtkPrintSettings *settings;
gchar *uri, *name;
doc = xed_tab_get_document (tab);
data = g_object_get_data (G_OBJECT (doc), XED_PRINT_SETTINGS_KEY);
if (data == NULL)
{
settings = _xed_app_get_default_print_settings (xed_app_get_default());
}
else
{
settings = gtk_print_settings_copy (GTK_PRINT_SETTINGS (data));
}
name = xed_document_get_short_name_for_display (doc);
uri = g_strconcat ("file://",
g_get_user_special_dir (G_USER_DIRECTORY_DOCUMENTS),
"/", name, ".pdf", NULL);
gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_OUTPUT_URI, uri);
g_free (uri);
g_free (name);
return settings;
}
/* FIXME: show the message area only if the operation will be "long" */
static void
printing_cb (XedPrintJob *job,
XedPrintJobStatus status,
XedTab *tab)
{
g_return_if_fail (XED_IS_PROGRESS_MESSAGE_AREA (tab->priv->message_area));
gtk_widget_show (tab->priv->message_area);
xed_progress_message_area_set_text (XED_PROGRESS_MESSAGE_AREA (tab->priv->message_area),
xed_print_job_get_status_string (job));
xed_progress_message_area_set_fraction (XED_PROGRESS_MESSAGE_AREA (tab->priv->message_area),
xed_print_job_get_progress (job));
}
static void
store_print_settings (XedTab *tab,
XedPrintJob *job)
{
XedDocument *doc;
GtkPrintSettings *settings;
GtkPageSetup *page_setup;
doc = xed_tab_get_document (tab);
settings = xed_print_job_get_print_settings (job);
/* clear n-copies settings since we do not want to
* persist that one */
gtk_print_settings_unset (settings, GTK_PRINT_SETTINGS_N_COPIES);
/* remember settings for this document */
g_object_set_data_full (G_OBJECT (doc), XED_PRINT_SETTINGS_KEY,
g_object_ref (settings), (GDestroyNotify)g_object_unref);
/* make them the default */
_xed_app_set_default_print_settings (xed_app_get_default (), settings);
page_setup = xed_print_job_get_page_setup (job);
/* remember page setup for this document */
g_object_set_data_full (G_OBJECT (doc), XED_PAGE_SETUP_KEY,
g_object_ref (page_setup), (GDestroyNotify)g_object_unref);
/* make it the default */
_xed_app_set_default_page_setup (xed_app_get_default (), page_setup);
}
static void
done_printing_cb (XedPrintJob *job,
XedPrintJobResult result,
const GError *error,
XedTab *tab)
{
XedView *view;
g_return_if_fail (tab->priv->state == XED_TAB_STATE_PRINT_PREVIEWING ||
tab->priv->state == XED_TAB_STATE_SHOWING_PRINT_PREVIEW ||
tab->priv->state == XED_TAB_STATE_PRINTING);
if (tab->priv->state == XED_TAB_STATE_SHOWING_PRINT_PREVIEW)
{
/* print preview has been destroyed... */
tab->priv->print_preview = NULL;
}
else
{
g_return_if_fail (XED_IS_PROGRESS_MESSAGE_AREA (tab->priv->message_area));
set_message_area (tab, NULL); /* destroy the message area */
}
// TODO: check status and error
if (result == XED_PRINT_JOB_RESULT_OK)
{
store_print_settings (tab, job);
}
#if 0
if (tab->priv->print_preview != NULL)
{
/* If we were printing while showing the print preview,
see bug #352658 */
gtk_widget_destroy (tab->priv->print_preview);
g_return_if_fail (tab->priv->state == XED_TAB_STATE_PRINTING);
}
#endif
xed_tab_set_state (tab, XED_TAB_STATE_NORMAL);
view = xed_tab_get_view (tab);
gtk_widget_grab_focus (GTK_WIDGET (view));
g_object_unref (tab->priv->print_job);
tab->priv->print_job = NULL;
}
#if 0
static void
print_preview_destroyed (GtkWidget *preview,
XedTab *tab)
{
tab->priv->print_preview = NULL;
if (tab->priv->state == XED_TAB_STATE_SHOWING_PRINT_PREVIEW)
{
XedView *view;
xed_tab_set_state (tab, XED_TAB_STATE_NORMAL);
view = xed_tab_get_view (tab);
gtk_widget_grab_focus (GTK_WIDGET (view));
}
else
{
/* This should happen only when printing while showing the print
* preview. In this case let us continue whithout changing
* the state and show the document. See bug #352658 */
gtk_widget_show (tab->priv->view_scrolled_window);
g_return_if_fail (tab->priv->state == XED_TAB_STATE_PRINTING);
}
}
#endif
static void
show_preview_cb (XedPrintJob *job,
XedPrintPreview *preview,
XedTab *tab)
{
// g_return_if_fail (tab->priv->state == XED_TAB_STATE_PRINT_PREVIEWING);
g_return_if_fail (tab->priv->print_preview == NULL);
set_message_area (tab, NULL); /* destroy the message area */
tab->priv->print_preview = GTK_WIDGET (preview);
gtk_box_pack_end (GTK_BOX (tab), tab->priv->print_preview, TRUE, TRUE, 0);
gtk_widget_show (tab->priv->print_preview);
gtk_widget_grab_focus (tab->priv->print_preview);
/* when the preview gets destroyed we get "done" signal
g_signal_connect (tab->priv->print_preview,
"destroy",
G_CALLBACK (print_preview_destroyed),
tab);
*/
xed_tab_set_state (tab, XED_TAB_STATE_SHOWING_PRINT_PREVIEW);
}
#if 0
static void
set_print_preview (XedTab *tab,
GtkWidget *print_preview)
{
if (tab->priv->print_preview == print_preview)
return;
if (tab->priv->print_preview != NULL)
gtk_widget_destroy (tab->priv->print_preview);
tab->priv->print_preview = print_preview;
gtk_box_pack_end (GTK_BOX (tab),
tab->priv->print_preview,
TRUE,
TRUE,
0);
gtk_widget_grab_focus (tab->priv->print_preview);
g_signal_connect (tab->priv->print_preview,
"destroy",
G_CALLBACK (print_preview_destroyed),
tab);
}
static void
preview_finished_cb (GtkSourcePrintJob *pjob, XedTab *tab)
{
MatePrintJob *gjob;
GtkWidget *preview = NULL;
g_return_if_fail (XED_IS_PROGRESS_MESSAGE_AREA (tab->priv->message_area));
set_message_area (tab, NULL); /* destroy the message area */
gjob = gtk_source_print_job_get_print_job (pjob);
preview = xed_print_job_preview_new (gjob);
g_object_unref (gjob);
set_print_preview (tab, preview);
gtk_widget_show (preview);
g_object_unref (pjob);
xed_tab_set_state (tab, XED_TAB_STATE_SHOWING_PRINT_PREVIEW);
}
#endif
static void
print_cancelled (GtkWidget *area,
gint response_id,
XedTab *tab)
{
g_return_if_fail (XED_IS_PROGRESS_MESSAGE_AREA (tab->priv->message_area));
xed_print_job_cancel (tab->priv->print_job);
g_debug ("print_cancelled");
}
static void
show_printing_message_area (XedTab *tab,
gboolean preview)
{
GtkWidget *area;
if (preview)
{
area = xed_progress_message_area_new ("document-print-preview-symbolic", "", TRUE);
}
else
{
area = xed_progress_message_area_new ("document-print-symbolic", "", TRUE);
}
g_signal_connect (area, "response",
G_CALLBACK (print_cancelled), tab);
set_message_area (tab, area);
}
static void
xed_tab_print_or_print_preview (XedTab *tab,
GtkPrintOperationAction print_action)
{
XedView *view;
gboolean is_preview;
GtkPageSetup *setup;
GtkPrintSettings *settings;
GtkPrintOperationResult res;
GError *error = NULL;
g_return_if_fail (tab->priv->print_job == NULL);
g_return_if_fail (tab->priv->state == XED_TAB_STATE_NORMAL);
view = xed_tab_get_view (tab);
is_preview = (print_action == GTK_PRINT_OPERATION_ACTION_PREVIEW);
tab->priv->print_job = xed_print_job_new (view);
g_object_add_weak_pointer (G_OBJECT (tab->priv->print_job), (gpointer *) &tab->priv->print_job);
show_printing_message_area (tab, is_preview);
g_signal_connect (tab->priv->print_job, "printing",
G_CALLBACK (printing_cb), tab);
g_signal_connect (tab->priv->print_job, "show-preview",
G_CALLBACK (show_preview_cb), tab);
g_signal_connect (tab->priv->print_job, "done",
G_CALLBACK (done_printing_cb), tab);
if (is_preview)
{
xed_tab_set_state (tab, XED_TAB_STATE_PRINT_PREVIEWING);
}
else
{
xed_tab_set_state (tab, XED_TAB_STATE_PRINTING);
}
setup = get_page_setup (tab);
settings = get_print_settings (tab);
res = xed_print_job_print (tab->priv->print_job,
print_action,
setup,
settings,
GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (tab))),
&error);
// TODO: manage res in the correct way
if (res == GTK_PRINT_OPERATION_RESULT_ERROR)
{
/* FIXME: go in error state */
xed_tab_set_state (tab, XED_TAB_STATE_NORMAL);
g_warning ("Async print preview failed (%s)", error->message);
g_object_unref (tab->priv->print_job);
g_error_free (error);
}
}
void
_xed_tab_print (XedTab *tab)
{
g_return_if_fail (XED_IS_TAB (tab));
/* FIXME: currently we can have just one printoperation going on
* at a given time, so before starting the print we close the preview.
* Would be nice to handle it properly though */
if (tab->priv->state == XED_TAB_STATE_SHOWING_PRINT_PREVIEW)
{
gtk_widget_destroy (tab->priv->print_preview);
}
xed_tab_print_or_print_preview (tab, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG);
}
void
_xed_tab_print_preview (XedTab *tab)
{
g_return_if_fail (XED_IS_TAB (tab));
xed_tab_print_or_print_preview (tab, GTK_PRINT_OPERATION_ACTION_PREVIEW);
}
void
_xed_tab_mark_for_closing (XedTab *tab)
{
g_return_if_fail (XED_IS_TAB (tab));
g_return_if_fail (tab->priv->state == XED_TAB_STATE_NORMAL);
xed_tab_set_state (tab, XED_TAB_STATE_CLOSING);
}
gboolean
_xed_tab_can_close (XedTab *tab)
{
XedDocument *doc;
XedTabState ts;
g_return_val_if_fail (XED_IS_TAB (tab), FALSE);
ts = xed_tab_get_state (tab);
/* if we are loading or reverting, the tab can be closed */
if ((ts == XED_TAB_STATE_LOADING) ||
(ts == XED_TAB_STATE_LOADING_ERROR) ||
(ts == XED_TAB_STATE_REVERTING) ||
(ts == XED_TAB_STATE_REVERTING_ERROR)) /* CHECK: I'm not sure this is the right behavior for REVERTING ERROR */
{
return TRUE;
}
/* Do not close tab with saving errors */
if (ts == XED_TAB_STATE_SAVING_ERROR)
{
return FALSE;
}
doc = xed_tab_get_document (tab);
/* TODO: we need to save the file also if it has been externally
modified - Paolo (Oct 10, 2005) */
return (!gtk_text_buffer_get_modified (GTK_TEXT_BUFFER (doc)) && !xed_document_get_deleted (doc));
}
/**
* xed_tab_get_auto_save_enabled:
* @tab: a #XedTab
*
* Gets the current state for the autosave feature
*
* Return value: %TRUE if the autosave is enabled, else %FALSE
**/
gboolean
xed_tab_get_auto_save_enabled (XedTab *tab)
{
xed_debug (DEBUG_TAB);
g_return_val_if_fail (XED_IS_TAB (tab), FALSE);
return tab->priv->auto_save;
}
/**
* xed_tab_set_auto_save_enabled:
* @tab: a #XedTab
* @enable: enable (%TRUE) or disable (%FALSE) auto save
*
* Enables or disables the autosave feature. It does not install an
* autosave timeout if the document is new or is read-only
**/
void
xed_tab_set_auto_save_enabled (XedTab *tab,
gboolean enable)
{
XedDocument *doc = NULL;
xed_debug (DEBUG_TAB);
g_return_if_fail (XED_IS_TAB (tab));
doc = xed_tab_get_document (tab);
if (tab->priv->auto_save == enable)
{
return;
}
tab->priv->auto_save = enable;
if (enable &&
(tab->priv->auto_save_timeout <=0) &&
!xed_document_is_untitled (doc) &&
!xed_document_get_readonly (doc))
{
if ((tab->priv->state != XED_TAB_STATE_LOADING) &&
(tab->priv->state != XED_TAB_STATE_SAVING) &&
(tab->priv->state != XED_TAB_STATE_REVERTING) &&
(tab->priv->state != XED_TAB_STATE_LOADING_ERROR) &&
(tab->priv->state != XED_TAB_STATE_SAVING_ERROR) &&
(tab->priv->state != XED_TAB_STATE_REVERTING_ERROR))
{
install_auto_save_timeout (tab);
}
/* else: the timeout will be installed when loading/saving/reverting
will terminate */
return;
}
if (!enable && (tab->priv->auto_save_timeout > 0))
{
remove_auto_save_timeout (tab);
return;
}
g_return_if_fail ((!enable && (tab->priv->auto_save_timeout <= 0)) ||
xed_document_is_untitled (doc) || xed_document_get_readonly (doc));
}
/**
* xed_tab_get_auto_save_interval:
* @tab: a #XedTab
*
* Gets the current interval for the autosaves
*
* Return value: the value of the autosave
**/
gint
xed_tab_get_auto_save_interval (XedTab *tab)
{
xed_debug (DEBUG_TAB);
g_return_val_if_fail (XED_IS_TAB (tab), 0);
return tab->priv->auto_save_interval;
}
/**
* xed_tab_set_auto_save_interval:
* @tab: a #XedTab
* @interval: the new interval
*
* Sets the interval for the autosave feature. It does nothing if the
* interval is the same as the one already present. It removes the old
* interval timeout and adds a new one with the autosave passed as
* argument.
**/
void
xed_tab_set_auto_save_interval (XedTab *tab,
gint interval)
{
XedDocument *doc = NULL;
xed_debug (DEBUG_TAB);
g_return_if_fail (XED_IS_TAB (tab));
doc = xed_tab_get_document(tab);
g_return_if_fail (XED_IS_DOCUMENT (doc));
g_return_if_fail (interval > 0);
if (tab->priv->auto_save_interval == interval)
{
return;
}
tab->priv->auto_save_interval = interval;
if (!tab->priv->auto_save)
{
return;
}
if (tab->priv->auto_save_timeout > 0)
{
g_return_if_fail (!xed_document_is_untitled (doc));
g_return_if_fail (!xed_document_get_readonly (doc));
remove_auto_save_timeout (tab);
install_auto_save_timeout (tab);
}
}
void
xed_tab_set_info_bar (XedTab *tab,
GtkWidget *info_bar)
{
g_return_if_fail (XED_IS_TAB (tab));
g_return_if_fail (info_bar == NULL || GTK_IS_WIDGET (info_bar));
/* FIXME: this can cause problems with the tab state machine */
set_message_area (tab, info_bar);
}
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