fix debian bug #983778, 'Segfault on selecting empty 'X-Face' custom header'
[claws.git] / src / import.c
1 /*
2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2020 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
20 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #include "claws-features.h"
23 #endif
24
25 #include "defs.h"
26
27 #include <glib.h>
28 #include <glib/gi18n.h>
29 #include <gdk/gdkkeysyms.h>
30 #include <gtk/gtk.h>
31
32 #include "claws.h"
33 #include "main.h"
34 #include "inc.h"
35 #include "mbox.h"
36 #include "folderview.h"
37 #include "filesel.h"
38 #include "foldersel.h"
39 #include "gtkutils.h"
40 #include "manage_window.h"
41 #include "folder.h"
42 #include "codeconv.h"
43 #include "alertpanel.h"
44
45 static GtkWidget *window;
46 static GtkWidget *file_entry;
47 static GtkWidget *dest_entry;
48 static GtkWidget *file_button;
49 static GtkWidget *dest_button;
50 static GtkWidget *ok_button;
51 static GtkWidget *cancel_button;
52 static gboolean import_ok; /* see import_mbox() return values */
53
54 static void import_create(void);
55 static void import_ok_cb(GtkWidget *widget, gpointer data);
56 static void import_cancel_cb(GtkWidget *widget, gpointer data);
57 static void import_filesel_cb(GtkWidget *widget, gpointer data);
58 static void import_destsel_cb(GtkWidget *widget, gpointer data);
59 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data);
60 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data);
61
62 gint import_mbox(FolderItem *default_dest)
63 /* return values: -2 skipped/cancelled, -1 error, 0 OK */
64 {
65         gchar *dest_id = NULL;
66
67         import_ok = -2; // skipped or cancelled
68
69         if (!window) {
70                 import_create();
71         }
72         else {
73                 gtk_widget_show(window);
74         }
75
76         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
77         change_dir(claws_get_startup_dir());
78
79         if (default_dest && default_dest->path) {
80                 dest_id = folder_item_get_identifier(default_dest);
81         }
82
83         if (dest_id) {
84                 gtk_entry_set_text(GTK_ENTRY(dest_entry), dest_id);
85                 g_free(dest_id);
86         } else {
87                 gtk_entry_set_text(GTK_ENTRY(dest_entry), "");
88         }
89         gtk_entry_set_text(GTK_ENTRY(file_entry), "");
90         gtk_widget_grab_focus(file_entry);
91
92         manage_window_set_transient(GTK_WINDOW(window));
93
94         gtk_main();
95
96         gtk_widget_hide(window);
97         gtk_window_set_modal(GTK_WINDOW(window), FALSE);
98
99         return import_ok;
100 }
101
102 static void import_create(void)
103 {
104         GtkWidget *vbox;
105         GtkWidget *hbox;
106         GtkWidget *desc_label;
107         GtkWidget *table;
108         GtkWidget *file_label;
109         GtkWidget *dest_label;
110         GtkWidget *confirm_area;
111
112         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "import");
113         gtk_window_set_title(GTK_WINDOW(window), _("Import mbox file"));
114         gtk_container_set_border_width(GTK_CONTAINER(window), 5);
115         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
116         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
117         gtk_window_set_type_hint(GTK_WINDOW(window), GDK_WINDOW_TYPE_HINT_DIALOG);
118         g_signal_connect(G_OBJECT(window), "delete_event",
119                          G_CALLBACK(delete_event), NULL);
120         g_signal_connect(G_OBJECT(window), "key_press_event",
121                          G_CALLBACK(key_pressed), NULL);
122         MANAGE_WINDOW_SIGNALS_CONNECT(window);
123
124         vbox = gtk_vbox_new(FALSE, 4);
125         gtk_container_add(GTK_CONTAINER(window), vbox);
126
127         hbox = gtk_hbox_new(FALSE, 0);
128         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
129         gtk_container_set_border_width(GTK_CONTAINER(hbox), 4);
130
131         desc_label = gtk_label_new
132                 (_("Locate the mbox file and specify the destination folder."));
133         gtk_label_set_line_wrap(GTK_LABEL(desc_label), TRUE);
134         gtk_box_pack_start(GTK_BOX(hbox), desc_label, FALSE, FALSE, 0);
135
136         table = gtk_table_new(2, 3, FALSE);
137         gtk_box_pack_start(GTK_BOX(vbox), table, FALSE, FALSE, 0);
138         gtk_container_set_border_width(GTK_CONTAINER(table), 8);
139         gtk_table_set_row_spacings(GTK_TABLE(table), 8);
140         gtk_table_set_col_spacings(GTK_TABLE(table), 8);
141         gtk_widget_set_size_request(table, 420, -1);
142
143         file_label = gtk_label_new(_("Mbox file:"));
144         gtk_table_attach(GTK_TABLE(table), file_label, 0, 1, 0, 1,
145                          (GtkAttachOptions) (GTK_FILL),
146                          (GtkAttachOptions) (GTK_EXPAND|GTK_FILL), 0, 0);
147         gtk_misc_set_alignment(GTK_MISC(file_label), 1, 0.5);
148
149         dest_label = gtk_label_new(_("Destination folder:"));
150         gtk_table_attach(GTK_TABLE(table), dest_label, 0, 1, 1, 2,
151                          (GtkAttachOptions) (GTK_FILL),
152                          (GtkAttachOptions) (GTK_EXPAND|GTK_FILL), 0, 0);
153         gtk_misc_set_alignment(GTK_MISC(dest_label), 1, 0.5);
154
155         file_entry = gtk_entry_new();
156         gtk_table_attach(GTK_TABLE(table), file_entry, 1, 2, 0, 1,
157                          (GtkAttachOptions) (GTK_EXPAND|GTK_SHRINK|GTK_FILL),
158                          (GtkAttachOptions) (0), 0, 0);
159
160         dest_entry = gtk_entry_new();
161         gtk_table_attach(GTK_TABLE(table), dest_entry, 1, 2, 1, 2,
162                          GTK_EXPAND|GTK_SHRINK|GTK_FILL, 0, 0, 0);
163
164         file_button = gtkut_get_browse_file_btn(_("_Browse"));
165         gtk_table_attach(GTK_TABLE(table), file_button, 2, 3, 0, 1,
166                          (GtkAttachOptions) (GTK_FILL),
167                          (GtkAttachOptions) (0), 0, 0);
168         g_signal_connect(G_OBJECT(file_button), "clicked",
169                          G_CALLBACK(import_filesel_cb), NULL);
170
171         dest_button = gtkut_get_browse_directory_btn(_("B_rowse"));
172         gtk_table_attach(GTK_TABLE(table), dest_button, 2, 3, 1, 2,
173                          (GtkAttachOptions) (GTK_FILL),
174                          (GtkAttachOptions) (0), 0, 0);
175         g_signal_connect(G_OBJECT(dest_button), "clicked",
176                          G_CALLBACK(import_destsel_cb), NULL);
177
178         gtkut_stock_button_set_create(&confirm_area,
179                                       &cancel_button, GTK_STOCK_CANCEL,
180                                       &ok_button, GTK_STOCK_OK,
181                                       NULL, NULL);
182         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
183         gtk_widget_grab_default(ok_button);
184
185         g_signal_connect(G_OBJECT(ok_button), "clicked",
186                          G_CALLBACK(import_ok_cb), NULL);
187         g_signal_connect(G_OBJECT(cancel_button), "clicked",
188                          G_CALLBACK(import_cancel_cb), NULL);
189
190         gtk_widget_show_all(window);
191 }
192
193 static void import_ok_cb(GtkWidget *widget, gpointer data)
194 {
195         GtkWidget *window;
196         const gchar *utf8mbox, *destdir;
197         FolderItem *dest;
198         gchar *mbox;
199
200         utf8mbox = gtk_entry_get_text(GTK_ENTRY(file_entry));
201         destdir = gtk_entry_get_text(GTK_ENTRY(dest_entry));
202
203         if (utf8mbox && !*utf8mbox) {
204                 alertpanel_error(_("Source mbox filename can't be left empty."));
205                 gtk_widget_grab_focus(file_entry);
206                 return;
207         }
208         if (destdir && !*destdir) {
209                 if (alertpanel(_("Import mbox file"), _("Destination folder is not set.\nImport mbox file to the Inbox folder?"),
210                                                 GTK_STOCK_OK, GTK_STOCK_CANCEL, NULL, ALERTFOCUS_FIRST)
211                         == G_ALERTALTERNATE) {
212                         gtk_widget_grab_focus(dest_entry);
213                         return;
214                 }
215         }
216
217         mbox = g_filename_from_utf8(utf8mbox, -1, NULL, NULL, NULL);
218         if (!mbox) {
219                 g_warning("import_ok_cb(): failed to convert character set.");
220                 mbox = g_strdup(utf8mbox);
221         }
222
223         if (!destdir || !*destdir) {
224                 dest = folder_find_item_from_path(INBOX_DIR);
225         } else {
226                 dest = folder_find_item_from_identifier
227                         (destdir);
228         }
229
230         if (!dest) {
231                 alertpanel_error(_("Can't find the destination folder."));
232                 gtk_widget_grab_focus(dest_entry);
233                 g_free(mbox);
234                 return;
235         } else {
236                 window = label_window_create(_("Importing mbox file..."));
237                 import_ok = proc_mbox(dest, mbox, FALSE, NULL);
238                 label_window_destroy(window);
239         }
240
241         g_free(mbox);
242
243         if (gtk_main_level() > 1)
244                 gtk_main_quit();
245 }
246
247 static void import_cancel_cb(GtkWidget *widget, gpointer data)
248 {
249         if (gtk_main_level() > 1)
250                 gtk_main_quit();
251 }
252
253 static void import_filesel_cb(GtkWidget *widget, gpointer data)
254 {
255         gchar *filename;
256         gchar *utf8_filename;
257
258         filename = filesel_select_file_open(_("Select importing file"), NULL);
259         if (!filename) return;
260
261         utf8_filename = g_filename_to_utf8(filename, -1, NULL, NULL, NULL);
262         if (!utf8_filename) {
263                 g_warning("import_filesel_cb(): failed to convert character set.");
264                 utf8_filename = g_strdup(filename);
265         }
266         gtk_entry_set_text(GTK_ENTRY(file_entry), utf8_filename);
267         g_free(utf8_filename);
268 }
269
270 static void import_destsel_cb(GtkWidget *widget, gpointer data)
271 {
272         FolderItem *dest;
273         gchar *path;
274
275         dest = foldersel_folder_sel(NULL, FOLDER_SEL_COPY, NULL, FALSE,
276                         _("Select folder to import to"));
277         if (!dest)
278                  return;
279         path = folder_item_get_identifier(dest);
280         gtk_entry_set_text(GTK_ENTRY(dest_entry), path);
281         g_free(path);
282 }
283
284 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
285 {
286         import_cancel_cb(NULL, NULL);
287         return TRUE;
288 }
289
290 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
291 {
292         if (event && event->keyval == GDK_KEY_Escape)
293                 import_cancel_cb(NULL, NULL);
294         return FALSE;
295 }