src/export.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2022 the Claws Mail team and Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gtk/gtk.h>
  30
  31 #include "claws.h"
  32 #include "main.h"
  33 #include "inc.h"
  34 #include "mbox.h"
  35 #include "filesel.h"
  36 #include "foldersel.h"
  37 #include "gtkutils.h"
  38 #include "manage_window.h"
  39 #include "folder.h"
  40 #include "utils.h"
  41 #include "codeconv.h"
  42 #include "alertpanel.h"
  43
  44 static GtkWidget *window;
  45 static GtkWidget *src_entry;
  46 static GtkWidget *file_entry;
  47 static GtkWidget *src_button;
  48 static GtkWidget *file_button;
  49 static GtkWidget *ok_button;
  50 static GtkWidget *cancel_button;
  51 static gboolean export_ok; /* see export_mbox() return values */
  52
  53 static void export_create(void);
  54 static void export_ok_cb(GtkWidget *widget, gpointer data);
  55 static void export_cancel_cb(GtkWidget *widget, gpointer data);
  56 static void export_srcsel_cb(GtkWidget *widget, gpointer data);
  57 static void export_filesel_cb(GtkWidget *widget, gpointer data);
  58 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data);
  59 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data);
  60
  61 gint export_mbox(FolderItem *default_src)
  62 /* return values: -2 skipped/cancelled, -1 error, 0 OK */
  63 {
  64         gchar *src_id = NULL;
  65
  66         export_ok = -2; // skipped or cancelled
  67
  68         if (!window) {
  69                 export_create();
  70         }
  71         else {
  72                 gtk_widget_show(window);
  73         }
  74
  75         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
  76         change_dir(claws_get_startup_dir());
  77
  78         if (default_src && default_src->path) {
  79                 src_id = folder_item_get_identifier(default_src);
  80         }
  81
  82         if (src_id) {
  83                 gtk_entry_set_text(GTK_ENTRY(src_entry), src_id);
  84                 g_free(src_id);
  85         } else {
  86                 gtk_entry_set_text(GTK_ENTRY(src_entry), "");
  87         }
  88         gtk_entry_set_text(GTK_ENTRY(file_entry), "");
  89         gtk_widget_grab_focus(file_entry);
  90
  91         manage_window_set_transient(GTK_WINDOW(window));
  92
  93         gtk_main();
  94
  95         gtk_widget_hide(window);
  96         gtk_window_set_modal(GTK_WINDOW(window), FALSE);
  97
  98         return export_ok;
  99 }
 100
 101 static void export_create(void)
 102 {
 103         GtkWidget *vbox;
 104         GtkWidget *hbox;
 105         GtkWidget *desc_label;
 106         GtkWidget *table;
 107         GtkWidget *file_label;
 108         GtkWidget *src_label;
 109         GtkWidget *confirm_area;
 110
 111         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "export");
 112         gtk_window_set_title(GTK_WINDOW(window), _("Export to mbox file"));
 113         gtk_container_set_border_width(GTK_CONTAINER(window), 5);
 114         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 115         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 116         gtk_window_set_type_hint(GTK_WINDOW(window), GDK_WINDOW_TYPE_HINT_DIALOG);
 117         g_signal_connect(G_OBJECT(window), "delete_event",
 118                          G_CALLBACK(delete_event), NULL);
 119         g_signal_connect(G_OBJECT(window), "key_press_event",
 120                          G_CALLBACK(key_pressed), NULL);
 121         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 122
 123         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 4);
 124         gtk_container_add(GTK_CONTAINER(window), vbox);
 125
 126         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 127         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 128         gtk_container_set_border_width(GTK_CONTAINER(hbox), 4);
 129
 130         desc_label = gtk_label_new
 131                 (_("Locate the folder to export and specify the mbox file."));
 132         gtk_label_set_line_wrap(GTK_LABEL(desc_label), TRUE);
 133         gtk_box_pack_start(GTK_BOX(hbox), desc_label, FALSE, FALSE, 0);
 134
 135         table = gtk_grid_new();
 136         gtk_box_pack_start(GTK_BOX(vbox), table, FALSE, FALSE, 0);
 137         gtk_container_set_border_width(GTK_CONTAINER(table), 8);
 138         gtk_grid_set_row_spacing(GTK_GRID(table), 8);
 139         gtk_grid_set_column_spacing(GTK_GRID(table), 8);
 140         gtk_widget_set_size_request(table, 420, -1);
 141
 142         src_label = gtk_label_new(_("Source folder:"));
 143         gtk_label_set_xalign(GTK_LABEL(src_label), 1.0);
 144         gtk_grid_attach(GTK_GRID(table), src_label, 0, 0, 1, 1);
 145
 146         file_label = gtk_label_new(_("Mbox file:"));
 147         gtk_label_set_xalign(GTK_LABEL(file_label), 1.0);
 148         gtk_grid_attach(GTK_GRID(table), file_label, 0, 1, 1, 1);
 149
 150         src_entry = gtk_entry_new();
 151         gtk_grid_attach(GTK_GRID(table), src_entry, 1, 0, 1, 1);
 152         gtk_widget_set_hexpand(src_entry, TRUE);
 153         gtk_widget_set_halign(src_entry, GTK_ALIGN_FILL);
 154
 155         file_entry = gtk_entry_new();
 156         gtk_entry_set_activates_default(GTK_ENTRY(file_entry), TRUE);
 157         gtk_grid_attach(GTK_GRID(table), file_entry, 1, 1, 1, 1);
 158         gtk_widget_set_hexpand(file_entry, TRUE);
 159         gtk_widget_set_halign(file_entry, GTK_ALIGN_FILL);
 160
 161         src_button = gtkut_get_browse_directory_btn(_("_Browse"));
 162         gtk_grid_attach(GTK_GRID(table), src_button, 2, 0, 1, 1);
 163
 164         g_signal_connect(G_OBJECT(src_button), "clicked",
 165                          G_CALLBACK(export_srcsel_cb), NULL);
 166
 167         file_button = gtkut_get_browse_file_btn(_("B_rowse"));
 168         gtk_grid_attach(GTK_GRID(table), file_button, 2, 1, 1, 1);
 169
 170         g_signal_connect(G_OBJECT(file_button), "clicked",
 171                          G_CALLBACK(export_filesel_cb), NULL);
 172
 173         gtkut_stock_button_set_create(&confirm_area,
 174                                       &cancel_button, NULL, _("_Cancel"),
 175                                       &ok_button, NULL, _("_OK"),
 176                                       NULL, NULL, NULL);
 177         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 178         gtk_widget_grab_default(ok_button);
 179
 180         g_signal_connect(G_OBJECT(ok_button), "clicked",
 181                          G_CALLBACK(export_ok_cb), NULL);
 182         g_signal_connect(G_OBJECT(cancel_button), "clicked",
 183                          G_CALLBACK(export_cancel_cb), NULL);
 184
 185         gtk_widget_show_all(window);
 186 }
 187
 188 static void export_ok_cb(GtkWidget *widget, gpointer data)
 189 {
 190         const gchar *srcdir, *utf8mbox;
 191         FolderItem *src;
 192         gchar *mbox;
 193
 194         srcdir = gtk_entry_get_text(GTK_ENTRY(src_entry));
 195         utf8mbox = gtk_entry_get_text(GTK_ENTRY(file_entry));
 196
 197         if (!utf8mbox || !*utf8mbox) {
 198                 alertpanel_error(_("Target mbox filename can't be left empty."));
 199                 gtk_widget_grab_focus(file_entry);
 200                 return;
 201         }
 202         if (!srcdir || !*srcdir) {
 203                 alertpanel_error(_("Source folder can't be left empty."));
 204                 gtk_widget_grab_focus(src_entry);
 205                 return;
 206         }
 207
 208         mbox = g_filename_from_utf8(utf8mbox, -1, NULL, NULL, NULL);
 209         if (!mbox) {
 210                 g_warning("export_ok_cb(): failed to convert character set");
 211                 mbox = g_strdup(utf8mbox);
 212         }
 213
 214         src = folder_find_item_from_identifier(srcdir);
 215         if (!src) {
 216                 alertpanel_error(_("Couldn't find the source folder."));
 217                 gtk_widget_grab_focus(src_entry);
 218                 g_free(mbox);
 219                 return;
 220         } else {
 221                 export_ok = export_to_mbox(src, mbox);
 222         }
 223
 224         g_free(mbox);
 225
 226         if (gtk_main_level() > 1)
 227                 gtk_main_quit();
 228 }
 229
 230 static void export_cancel_cb(GtkWidget *widget, gpointer data)
 231 {
 232         if (gtk_main_level() > 1)
 233                 gtk_main_quit();
 234 }
 235
 236 static void export_filesel_cb(GtkWidget *widget, gpointer data)
 237 {
 238         gchar *filename;
 239
 240         filename = filesel_select_file_save(_("Select exporting file"), NULL);
 241         if (!filename) return;
 242
 243         if (g_getenv ("G_BROKEN_FILENAMES")) {
 244                 const gchar *oldstr = filename;
 245                 filename = conv_codeset_strdup (filename,
 246                                                 conv_get_locale_charset_str(),
 247                                                 CS_UTF_8);
 248                 if (!filename) {
 249                         g_warning("export_filesel_cb(): failed to convert character set");
 250                         filename = g_strdup(oldstr);
 251                 }
 252                 gtk_entry_set_text(GTK_ENTRY(file_entry), filename);
 253                 g_free(filename);
 254         } else
 255                 gtk_entry_set_text(GTK_ENTRY(file_entry), filename);
 256 }
 257
 258 static void export_srcsel_cb(GtkWidget *widget, gpointer data)
 259 {
 260         FolderItem *src;
 261
 262         src = foldersel_folder_sel(NULL, FOLDER_SEL_ALL, NULL, FALSE,
 263                         _("Select folder to export"));
 264         if (src && src->path)
 265                 gtk_entry_set_text(GTK_ENTRY(src_entry), src->path);
 266 }
 267
 268 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
 269 {
 270         export_cancel_cb(NULL, NULL);
 271         return TRUE;
 272 }
 273
 274 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 275 {
 276         if (event && event->keyval == GDK_KEY_Escape)
 277                 export_cancel_cb(NULL, NULL);
 278         return FALSE;
 279 }