xed/pluma/pluma-file-chooser-dialog.c

587 lines
16 KiB
C

/*
* pluma-file-chooser-dialog.c
* This file is part of pluma
*
* Copyright (C) 2005-2007 - 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 pluma Team, 2005-2007. See the AUTHORS file for a
* list of people on the pluma Team.
* See the ChangeLog files for a list of changes.
*
* $Id$
*/
/* TODO: Override set_extra_widget */
/* TODO: add encoding property */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#if GTK_CHECK_VERSION (3, 0, 0)
#include <gtksourceview/gtksource.h>
#endif
#include "pluma-file-chooser-dialog.h"
#include "pluma-encodings-combo-box.h"
#include "pluma-language-manager.h"
#include "pluma-prefs-manager-app.h"
#include "pluma-debug.h"
#include "pluma-enum-types.h"
#define PLUMA_FILE_CHOOSER_DIALOG_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), PLUMA_TYPE_FILE_CHOOSER_DIALOG, PlumaFileChooserDialogPrivate))
#define ALL_FILES _("All Files")
#define ALL_TEXT_FILES _("All Text Files")
#if GTK_CHECK_VERSION (3, 0, 0)
#define gtk_hbox_new(X,Y) gtk_box_new(GTK_ORIENTATION_HORIZONTAL,Y)
#endif
struct _PlumaFileChooserDialogPrivate
{
GtkWidget *option_menu;
GtkWidget *extra_widget;
GtkWidget *newline_label;
GtkWidget *newline_combo;
GtkListStore *newline_store;
};
G_DEFINE_TYPE(PlumaFileChooserDialog, pluma_file_chooser_dialog, GTK_TYPE_FILE_CHOOSER_DIALOG)
static void
pluma_file_chooser_dialog_class_init (PlumaFileChooserDialogClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (object_class, sizeof(PlumaFileChooserDialogPrivate));
}
static void
create_option_menu (PlumaFileChooserDialog *dialog)
{
GtkWidget *label;
GtkWidget *menu;
label = gtk_label_new_with_mnemonic (_("C_haracter Encoding:"));
#if GTK_CHECK_VERSION (3, 16, 0)
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
#else
gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
#endif
menu = pluma_encodings_combo_box_new (
gtk_file_chooser_get_action (GTK_FILE_CHOOSER (dialog)) == GTK_FILE_CHOOSER_ACTION_SAVE);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), menu);
gtk_box_pack_start (GTK_BOX (dialog->priv->extra_widget),
label,
FALSE,
TRUE,
0);
gtk_box_pack_start (GTK_BOX (dialog->priv->extra_widget),
menu,
TRUE,
TRUE,
0);
gtk_widget_show (label);
gtk_widget_show (menu);
dialog->priv->option_menu = menu;
}
static void
update_newline_visibility (PlumaFileChooserDialog *dialog)
{
if (gtk_file_chooser_get_action (GTK_FILE_CHOOSER (dialog)) == GTK_FILE_CHOOSER_ACTION_SAVE)
{
gtk_widget_show (dialog->priv->newline_label);
gtk_widget_show (dialog->priv->newline_combo);
}
else
{
gtk_widget_hide (dialog->priv->newline_label);
gtk_widget_hide (dialog->priv->newline_combo);
}
}
static void
newline_combo_append (GtkComboBox *combo,
GtkListStore *store,
GtkTreeIter *iter,
const gchar *label,
PlumaDocumentNewlineType newline_type)
{
gtk_list_store_append (store, iter);
gtk_list_store_set (store, iter, 0, label, 1, newline_type, -1);
if (newline_type == PLUMA_DOCUMENT_NEWLINE_TYPE_DEFAULT)
{
gtk_combo_box_set_active_iter (combo, iter);
}
}
static void
create_newline_combo (PlumaFileChooserDialog *dialog)
{
GtkWidget *label, *combo;
GtkListStore *store;
GtkCellRenderer *renderer;
GtkTreeIter iter;
label = gtk_label_new_with_mnemonic (_("L_ine Ending:"));
#if GTK_CHECK_VERSION (3, 16, 0)
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
#else
gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
#endif
store = gtk_list_store_new (2, G_TYPE_STRING, PLUMA_TYPE_DOCUMENT_NEWLINE_TYPE);
combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (store));
renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo),
renderer,
TRUE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo),
renderer,
"text",
0);
newline_combo_append (GTK_COMBO_BOX (combo),
store,
&iter,
_("Unix/Linux"),
PLUMA_DOCUMENT_NEWLINE_TYPE_LF);
newline_combo_append (GTK_COMBO_BOX (combo),
store,
&iter,
_("Mac OS Classic"),
PLUMA_DOCUMENT_NEWLINE_TYPE_CR);
newline_combo_append (GTK_COMBO_BOX (combo),
store,
&iter,
_("Windows"),
PLUMA_DOCUMENT_NEWLINE_TYPE_CR_LF);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
gtk_box_pack_start (GTK_BOX (dialog->priv->extra_widget),
label,
FALSE,
TRUE,
0);
gtk_box_pack_start (GTK_BOX (dialog->priv->extra_widget),
combo,
TRUE,
TRUE,
0);
dialog->priv->newline_combo = combo;
dialog->priv->newline_label = label;
dialog->priv->newline_store = store;
update_newline_visibility (dialog);
}
static void
create_extra_widget (PlumaFileChooserDialog *dialog)
{
dialog->priv->extra_widget = gtk_hbox_new (FALSE, 6);
gtk_widget_show (dialog->priv->extra_widget);
create_option_menu (dialog);
create_newline_combo (dialog);
gtk_file_chooser_set_extra_widget (GTK_FILE_CHOOSER (dialog),
dialog->priv->extra_widget);
}
static void
action_changed (PlumaFileChooserDialog *dialog,
GParamSpec *pspec,
gpointer data)
{
GtkFileChooserAction action;
action = gtk_file_chooser_get_action (GTK_FILE_CHOOSER (dialog));
switch (action)
{
case GTK_FILE_CHOOSER_ACTION_OPEN:
g_object_set (dialog->priv->option_menu,
"save_mode", FALSE,
NULL);
gtk_widget_show (dialog->priv->option_menu);
break;
case GTK_FILE_CHOOSER_ACTION_SAVE:
g_object_set (dialog->priv->option_menu,
"save_mode", TRUE,
NULL);
gtk_widget_show (dialog->priv->option_menu);
break;
default:
gtk_widget_hide (dialog->priv->option_menu);
}
update_newline_visibility (dialog);
}
static void
filter_changed (PlumaFileChooserDialog *dialog,
GParamSpec *pspec,
gpointer data)
{
GtkFileFilter *filter;
if (!pluma_prefs_manager_active_file_filter_can_set ())
return;
filter = gtk_file_chooser_get_filter (GTK_FILE_CHOOSER (dialog));
if (filter != NULL)
{
const gchar *name;
gint id = 0;
name = gtk_file_filter_get_name (filter);
g_return_if_fail (name != NULL);
if (strcmp (name, ALL_TEXT_FILES) == 0)
id = 1;
pluma_debug_message (DEBUG_COMMANDS, "Active filter: %s (%d)", name, id);
pluma_prefs_manager_set_active_file_filter (id);
}
}
/* FIXME: use globs too - Paolo (Aug. 27, 2007) */
static gboolean
all_text_files_filter (const GtkFileFilterInfo *filter_info,
gpointer data)
{
static GSList *known_mime_types = NULL;
GSList *mime_types;
if (known_mime_types == NULL)
{
GtkSourceLanguageManager *lm;
const gchar * const *languages;
lm = pluma_get_language_manager ();
languages = gtk_source_language_manager_get_language_ids (lm);
while ((languages != NULL) && (*languages != NULL))
{
gchar **mime_types;
gint i;
GtkSourceLanguage *lang;
lang = gtk_source_language_manager_get_language (lm, *languages);
#if GTK_CHECK_VERSION (3, 0, 0)
g_return_val_if_fail (GTK_SOURCE_IS_LANGUAGE (lang), FALSE);
#else
g_return_val_if_fail (GTK_IS_SOURCE_LANGUAGE (lang), FALSE);
#endif
++languages;
mime_types = gtk_source_language_get_mime_types (lang);
if (mime_types == NULL)
continue;
for (i = 0; mime_types[i] != NULL; i++)
{
if (!g_content_type_is_a (mime_types[i], "text/plain"))
{
pluma_debug_message (DEBUG_COMMANDS,
"Mime-type %s is not related to text/plain",
mime_types[i]);
known_mime_types = g_slist_prepend (known_mime_types,
g_strdup (mime_types[i]));
}
}
g_strfreev (mime_types);
}
/* known_mime_types always has "text/plain" as first item" */
known_mime_types = g_slist_prepend (known_mime_types, g_strdup ("text/plain"));
}
/* known mime_types contains "text/plain" and then the list of mime-types unrelated to "text/plain"
* that pluma recognizes */
if (filter_info->mime_type == NULL)
return FALSE;
/*
* The filter is matching:
* - the mime-types beginning with "text/"
* - the mime-types inheriting from a known mime-type (note the text/plain is
* the first known mime-type)
*/
if (strncmp (filter_info->mime_type, "text/", 5) == 0)
return TRUE;
mime_types = known_mime_types;
while (mime_types != NULL)
{
if (g_content_type_is_a (filter_info->mime_type, (const gchar*)mime_types->data))
return TRUE;
mime_types = g_slist_next (mime_types);
}
return FALSE;
}
static void
pluma_file_chooser_dialog_init (PlumaFileChooserDialog *dialog)
{
dialog->priv = PLUMA_FILE_CHOOSER_DIALOG_GET_PRIVATE (dialog);
}
static GtkWidget *
pluma_file_chooser_dialog_new_valist (const gchar *title,
GtkWindow *parent,
GtkFileChooserAction action,
const PlumaEncoding *encoding,
const gchar *first_button_text,
va_list varargs)
{
GtkWidget *result;
const char *button_text = first_button_text;
gint response_id;
GtkFileFilter *filter;
gint active_filter;
g_return_val_if_fail (parent != NULL, NULL);
result = g_object_new (PLUMA_TYPE_FILE_CHOOSER_DIALOG,
"title", title,
#if !GTK_CHECK_VERSION (3, 0, 0)
"file-system-backend", NULL,
#endif
"local-only", FALSE,
"action", action,
"select-multiple", action == GTK_FILE_CHOOSER_ACTION_OPEN,
NULL);
create_extra_widget (PLUMA_FILE_CHOOSER_DIALOG (result));
g_signal_connect (result,
"notify::action",
G_CALLBACK (action_changed),
NULL);
if (encoding != NULL)
pluma_encodings_combo_box_set_selected_encoding (
PLUMA_ENCODINGS_COMBO_BOX (PLUMA_FILE_CHOOSER_DIALOG (result)->priv->option_menu),
encoding);
active_filter = pluma_prefs_manager_get_active_file_filter ();
pluma_debug_message (DEBUG_COMMANDS, "Active filter: %d", active_filter);
/* Filters */
filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, ALL_FILES);
gtk_file_filter_add_pattern (filter, "*");
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (result), filter);
#if GTK_CHECK_VERSION (3, 0, 0)
gtk_file_chooser_set_action (GTK_FILE_CHOOSER (result), action);
#endif
if (active_filter != 1)
{
/* Make this filter the default */
gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (result), filter);
}
filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, ALL_TEXT_FILES);
gtk_file_filter_add_custom (filter,
GTK_FILE_FILTER_MIME_TYPE,
all_text_files_filter,
NULL,
NULL);
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (result), filter);
if (active_filter == 1)
{
/* Make this filter the default */
gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (result), filter);
}
g_signal_connect (result,
"notify::filter",
G_CALLBACK (filter_changed),
NULL);
gtk_window_set_transient_for (GTK_WINDOW (result), parent);
gtk_window_set_destroy_with_parent (GTK_WINDOW (result), TRUE);
while (button_text)
{
response_id = va_arg (varargs, gint);
gtk_dialog_add_button (GTK_DIALOG (result), button_text, response_id);
if ((response_id == GTK_RESPONSE_OK) ||
(response_id == GTK_RESPONSE_ACCEPT) ||
(response_id == GTK_RESPONSE_YES) ||
(response_id == GTK_RESPONSE_APPLY))
gtk_dialog_set_default_response (GTK_DIALOG (result), response_id);
button_text = va_arg (varargs, const gchar *);
}
return result;
}
/**
* pluma_file_chooser_dialog_new:
* @title: (allow-none): Title of the dialog, or %NULL
* @parent: (allow-none): Transient parent of the dialog, or %NULL
* @action: Open or save mode for the dialog
* @first_button_text: (allow-none): stock ID or text to go in
* the first button, or %NULL
* @Varargs: (allow-none): response ID for the first button, then
* additional (button, id) pairs, ending with %NULL
*
* Creates a new #PlumaFileChooserDialog. This function is analogous to
* gtk_dialog_new_with_buttons().
*
* Return value: a new #PlumaFileChooserDialog
*
**/
GtkWidget *
pluma_file_chooser_dialog_new (const gchar *title,
GtkWindow *parent,
GtkFileChooserAction action,
const PlumaEncoding *encoding,
const gchar *first_button_text,
...)
{
GtkWidget *result;
va_list varargs;
va_start (varargs, first_button_text);
result = pluma_file_chooser_dialog_new_valist (title, parent, action,
encoding, first_button_text,
varargs);
va_end (varargs);
return result;
}
void
pluma_file_chooser_dialog_set_encoding (PlumaFileChooserDialog *dialog,
const PlumaEncoding *encoding)
{
g_return_if_fail (PLUMA_IS_FILE_CHOOSER_DIALOG (dialog));
g_return_if_fail (PLUMA_IS_ENCODINGS_COMBO_BOX (dialog->priv->option_menu));
pluma_encodings_combo_box_set_selected_encoding (
PLUMA_ENCODINGS_COMBO_BOX (dialog->priv->option_menu),
encoding);
}
const PlumaEncoding *
pluma_file_chooser_dialog_get_encoding (PlumaFileChooserDialog *dialog)
{
g_return_val_if_fail (PLUMA_IS_FILE_CHOOSER_DIALOG (dialog), NULL);
g_return_val_if_fail (PLUMA_IS_ENCODINGS_COMBO_BOX (dialog->priv->option_menu), NULL);
g_return_val_if_fail ((gtk_file_chooser_get_action (GTK_FILE_CHOOSER (dialog)) == GTK_FILE_CHOOSER_ACTION_OPEN ||
gtk_file_chooser_get_action (GTK_FILE_CHOOSER (dialog)) == GTK_FILE_CHOOSER_ACTION_SAVE), NULL);
return pluma_encodings_combo_box_get_selected_encoding (
PLUMA_ENCODINGS_COMBO_BOX (dialog->priv->option_menu));
}
void
pluma_file_chooser_dialog_set_newline_type (PlumaFileChooserDialog *dialog,
PlumaDocumentNewlineType newline_type)
{
GtkTreeIter iter;
GtkTreeModel *model;
g_return_if_fail (PLUMA_IS_FILE_CHOOSER_DIALOG (dialog));
g_return_if_fail (gtk_file_chooser_get_action (GTK_FILE_CHOOSER (dialog)) == GTK_FILE_CHOOSER_ACTION_SAVE);
model = GTK_TREE_MODEL (dialog->priv->newline_store);
if (!gtk_tree_model_get_iter_first (model, &iter))
{
return;
}
do
{
PlumaDocumentNewlineType nt;
gtk_tree_model_get (model, &iter, 1, &nt, -1);
if (newline_type == nt)
{
gtk_combo_box_set_active_iter (GTK_COMBO_BOX (dialog->priv->newline_combo),
&iter);
break;
}
} while (gtk_tree_model_iter_next (model, &iter));
}
PlumaDocumentNewlineType
pluma_file_chooser_dialog_get_newline_type (PlumaFileChooserDialog *dialog)
{
GtkTreeIter iter;
PlumaDocumentNewlineType newline_type;
g_return_val_if_fail (PLUMA_IS_FILE_CHOOSER_DIALOG (dialog), PLUMA_DOCUMENT_NEWLINE_TYPE_DEFAULT);
g_return_val_if_fail (gtk_file_chooser_get_action (GTK_FILE_CHOOSER (dialog)) == GTK_FILE_CHOOSER_ACTION_SAVE,
PLUMA_DOCUMENT_NEWLINE_TYPE_DEFAULT);
gtk_combo_box_get_active_iter (GTK_COMBO_BOX (dialog->priv->newline_combo),
&iter);
gtk_tree_model_get (GTK_TREE_MODEL (dialog->priv->newline_store),
&iter,
1,
&newline_type,
-1);
return newline_type;
}