Sylpheed

/*

 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client

 * Copyright (C) 1999-2012 Hiroyuki Yamamoto

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 */

#include <glib.h>

#include <glib/gi18n.h>

#include <gdk/gdkkeysyms.h>

#include <gtk/gtkversion.h>

#include <gtk/gtkfilechooserdialog.h>

#include <gtk/gtkexpander.h>

#include <gtk/gtkstock.h>

#include "main.h"

#include "filesel.h"

#include "manage_window.h"

#include "alertpanel.h"

#include "utils.h"

#include "prefs_common.h"

#include "inc.h"

static GSList *filesel_select_file_full        (const gchar                *title,

                                         const gchar                *file,

                                         GtkFileChooserAction         action,

                                         gboolean                 multiple);

static GtkWidget *filesel_create        (const gchar                *title,

                                         GtkFileChooserAction         action);

static void filesel_save_expander_set_expanded           (GtkWidget        *dialog,

                                                    gboolean         expanded);

static gboolean filesel_save_expander_get_expanded (GtkWidget        *dialog);

#if GTK_CHECK_VERSION(2, 8, 0)

static GtkFileChooserConfirmation filesel_confirm_overwrite_cb

                                        (GtkFileChooser                *chooser,

                                         gpointer                 data);

#endif

gchar *filesel_select_file(const gchar *title, const gchar *file,

                           GtkFileChooserAction action)

{

        GSList *list;

        gchar *selected = NULL;

        list = filesel_select_file_full(title, file, action, FALSE);

        if (list) {

                selected = (gchar *)list->data;

                slist_free_strings(list->next);

        }

        g_slist_free(list);

        return selected;

}

GSList *filesel_select_files(const gchar *title, const gchar *file,

                             GtkFileChooserAction action)

{

        return filesel_select_file_full(title, file, action, TRUE);

}

static void filesel_change_dir_for_action(GtkFileChooserAction action)

{

        const gchar *cwd = NULL;

        switch (action) {

        case GTK_FILE_CHOOSER_ACTION_OPEN:

                if (prefs_common.prev_open_dir &&

                    is_dir_exist(prefs_common.prev_open_dir))

                        cwd = prefs_common.prev_open_dir;

                else {

                        g_free(prefs_common.prev_open_dir);

                        prefs_common.prev_open_dir = NULL;

                }

                break;

        case GTK_FILE_CHOOSER_ACTION_SAVE:

                if (prefs_common.prev_save_dir &&

                    is_dir_exist(prefs_common.prev_save_dir))

                        cwd = prefs_common.prev_save_dir;

                else {

                        g_free(prefs_common.prev_save_dir);

                        prefs_common.prev_save_dir = NULL;

                }

                break;

        case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:

                if (prefs_common.prev_folder_dir &&

                    is_dir_exist(prefs_common.prev_folder_dir))

                        cwd = prefs_common.prev_folder_dir;

                else {

                        g_free(prefs_common.prev_folder_dir);

                        prefs_common.prev_folder_dir = NULL;

                }

                break;

        default:

                break;

        }

        if (cwd)

                change_dir(cwd);

        else

                change_dir(get_document_dir());

}

static void filesel_save_dir_for_action(GtkFileChooserAction action,

                                        const gchar *cwd)

{

        switch (action) {

        case GTK_FILE_CHOOSER_ACTION_OPEN:

                g_free(prefs_common.prev_open_dir);

                prefs_common.prev_open_dir = g_strdup(cwd);

                break;

        case GTK_FILE_CHOOSER_ACTION_SAVE:

                g_free(prefs_common.prev_save_dir);

                prefs_common.prev_save_dir = g_strdup(cwd);

                break;

        case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:

                g_free(prefs_common.prev_folder_dir);

                prefs_common.prev_folder_dir = g_strdup(cwd);

                break;

        default:

                break;

        }

}

static GSList *filesel_select_file_full(const gchar *title, const gchar *file,

                                        GtkFileChooserAction action,

                                        gboolean multiple)

{

        gchar *cwd;

        GtkWidget *dialog;

        gchar *prev_dir;

        static gboolean save_expander_expanded = FALSE;

        GSList *list = NULL;

        prev_dir = g_get_current_dir();

        filesel_change_dir_for_action(action);

        dialog = filesel_create(title, action);

        manage_window_set_transient(GTK_WINDOW(dialog));

        if (file)

                gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog),

                                                  file);

        gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog),

                                             multiple);

        if (action == GTK_FILE_CHOOSER_ACTION_SAVE && save_expander_expanded) {

                filesel_save_expander_set_expanded

                        (dialog, save_expander_expanded);

        }

#if GTK_CHECK_VERSION(2, 8, 0)

        if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {

                gtk_file_chooser_set_do_overwrite_confirmation

                        (GTK_FILE_CHOOSER(dialog), TRUE);

                g_signal_connect(GTK_FILE_CHOOSER(dialog), "confirm-overwrite",

                                 G_CALLBACK(filesel_confirm_overwrite_cb),

                                 NULL);

        }

#endif

        gtk_widget_show(dialog);

        change_dir(prev_dir);

        g_free(prev_dir);

        inc_lock();

        if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {

                list = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));

                if (list) {

                        cwd = gtk_file_chooser_get_current_folder

                                (GTK_FILE_CHOOSER(dialog));

                        if (cwd) {

                                filesel_save_dir_for_action(action, cwd);

                                g_free(cwd);

                        }

                }

        }

        inc_unlock();

        if (action == GTK_FILE_CHOOSER_ACTION_SAVE)

                save_expander_expanded =

                        filesel_save_expander_get_expanded(dialog);

        manage_window_focus_out(dialog, NULL, NULL);

        gtk_widget_destroy(dialog);

        return list;

}

gchar *filesel_save_as(const gchar *file)

{

        gchar *filename;

        filename = filesel_select_file(_("Save as"), file,

                                       GTK_FILE_CHOOSER_ACTION_SAVE);

#if !GTK_CHECK_VERSION(2, 8, 0)

        if (filename && is_file_exist(filename)) {

                AlertValue aval;

                aval = alertpanel(_("Overwrite existing file"),

                                  _("The file already exists. Do you want to replace it?"),

                                  GTK_STOCK_YES, GTK_STOCK_NO, NULL);

                if (G_ALERTDEFAULT != aval) {

                        g_free(filename);

                        filename = NULL;

                }

        }

#endif

        return filename;

}

gchar *filesel_select_dir(const gchar *dir)

{

        GSList *list;

        gchar *selected = NULL;

        list = filesel_select_file_full(_("Select folder"), dir,

                                        GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,

                                        FALSE);

        if (list) {

                selected = (gchar *)list->data;

                slist_free_strings(list->next);

        }

        g_slist_free(list);

        return selected;

}

static GtkWidget *filesel_create(const gchar *title,

                                 GtkFileChooserAction action)

{

        GtkWidget *dialog;

        if (prefs_common.comply_gnome_hig)

                dialog = gtk_file_chooser_dialog_new

                        (title, NULL, action,

                         GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,

                         (action == GTK_FILE_CHOOSER_ACTION_SAVE ||

                          action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER)

                         ? GTK_STOCK_SAVE : GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,

                         NULL);

        else

                dialog = gtk_file_chooser_dialog_new

                        (title, NULL, action,

                         (action == GTK_FILE_CHOOSER_ACTION_SAVE ||

                          action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER)

                         ? GTK_STOCK_SAVE : GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,

                         GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,

                         NULL);

        gtk_window_set_position(GTK_WINDOW(dialog),

                                GTK_WIN_POS_CENTER_ON_PARENT);

        gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);

        gtk_window_set_wmclass

                (GTK_WINDOW(dialog), "file_selection", "Sylpheed");

        gtk_dialog_set_default_response

                (GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);

        MANAGE_WINDOW_SIGNALS_CONNECT(dialog);

        return dialog;

}

static void container_foreach_cb(GtkWidget *widget, gpointer data)

{

        GtkWidget **expander = (GtkWidget **)data;

        if (*expander == NULL) {

                if (GTK_IS_EXPANDER(widget))

                        *expander = widget;

                else if (GTK_IS_CONTAINER(widget))

                        gtk_container_foreach(GTK_CONTAINER(widget),

                                              container_foreach_cb, data);

        }

}

static void filesel_save_expander_set_expanded(GtkWidget *dialog,

                                               gboolean expanded)

{

        GtkWidget *expander = NULL;

        gtk_container_foreach(GTK_CONTAINER(dialog), container_foreach_cb,

                              &expander);

        if (expander)

                gtk_expander_set_expanded(GTK_EXPANDER(expander), expanded);

}

static gboolean filesel_save_expander_get_expanded(GtkWidget *dialog)

{

        GtkWidget *expander = NULL;

        gtk_container_foreach(GTK_CONTAINER(dialog), container_foreach_cb,

                              &expander);

        if (expander)

                return gtk_expander_get_expanded(GTK_EXPANDER(expander));

        else

                return FALSE;

}

#if GTK_CHECK_VERSION(2, 8, 0)

static GtkFileChooserConfirmation filesel_confirm_overwrite_cb

                                        (GtkFileChooser                *chooser,

                                         gpointer                 data)

{

        gchar *filename;

        GtkFileChooserConfirmation ret =

                GTK_FILE_CHOOSER_CONFIRMATION_ACCEPT_FILENAME;

        filename = gtk_file_chooser_get_filename(chooser);

        if (filename && is_file_exist(filename)) {

                AlertValue aval;

                aval = alertpanel(_("Overwrite existing file"),

                                  _("The file already exists. Do you want to replace it?"),

                                  GTK_STOCK_YES, GTK_STOCK_NO, NULL);

                if (G_ALERTDEFAULT == aval)

                        ret = GTK_FILE_CHOOSER_CONFIRMATION_ACCEPT_FILENAME;

                else

                        ret = GTK_FILE_CHOOSER_CONFIRMATION_SELECT_AGAIN;

        }

        g_free(filename);

        return ret;

}

#endif