fix bug 4239, 'Preferences: Text Options Header Display modal is not modal' (sic)
[claws.git] / src / export.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2017 Hiroyuki Yamamoto and the Claws Mail team
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 "filesel.h"
37 #include "foldersel.h"
38 #include "gtkutils.h"
39 #include "manage_window.h"
40 #include "folder.h"
41 #include "utils.h"
42 #include "codeconv.h"
43 #include "alertpanel.h"
44
45 static GtkWidget *window;
46 static GtkWidget *src_entry;
47 static GtkWidget *file_entry;
48 static GtkWidget *src_button;
49 static GtkWidget *file_button;
50 static GtkWidget *ok_button;
51 static GtkWidget *cancel_button;
52 static gboolean export_ok; /* see export_mbox() return values */
53
54 static void export_create(void);
55 static void export_ok_cb(GtkWidget *widget, gpointer data);
56 static void export_cancel_cb(GtkWidget *widget, gpointer data);
57 static void export_srcsel_cb(GtkWidget *widget, gpointer data);
58 static void export_filesel_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 export_mbox(FolderItem *default_src)
63 /* return values: -2 skipped/cancelled, -1 error, 0 OK */
64 {
65         gchar *src_id = NULL;
66
67         export_ok = -2; // skipped or cancelled
68
69         if (!window) {
70                 export_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_src && default_src->path) {
80                 src_id = folder_item_get_identifier(default_src);
81         }
82
83         if (src_id) {
84                 gtk_entry_set_text(GTK_ENTRY(src_entry), src_id);
85                 g_free(src_id);
86         } else {
87                 gtk_entry_set_text(GTK_ENTRY(src_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 export_ok;
100 }
101
102 static void export_create(void)
103 {
104         GtkWidget *vbox;
105         GtkWidget *hbox;
106         GtkWidget *desc_label;
107         GtkWidget *table;
108         GtkWidget *file_label;
109         GtkWidget *src_label;
110         GtkWidget *confirm_area;
111
112         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "export");
113         gtk_window_set_title(GTK_WINDOW(window), _("Export to 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 folder to export and specify the mbox file."));
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         src_label = gtk_label_new(_("Source folder:"));
144         gtk_table_attach(GTK_TABLE(table), src_label, 0, 1, 0, 1,
145                          (GtkAttachOptions) (GTK_FILL),
146                          (GtkAttachOptions) (GTK_EXPAND|GTK_FILL), 0, 0);
147         gtk_misc_set_alignment(GTK_MISC(src_label), 1, 0.5);
148
149         file_label = gtk_label_new(_("Mbox file:"));
150         gtk_table_attach(GTK_TABLE(table), file_label, 0, 1, 1, 2,
151                          (GtkAttachOptions) (GTK_FILL),
152                          (GtkAttachOptions) (GTK_EXPAND|GTK_FILL), 0, 0);
153         gtk_misc_set_alignment(GTK_MISC(file_label), 1, 0.5);
154
155         src_entry = gtk_entry_new();
156         gtk_table_attach(GTK_TABLE(table), src_entry, 1, 2, 0, 1,
157                          (GtkAttachOptions) (GTK_EXPAND|GTK_SHRINK|GTK_FILL),
158                          (GtkAttachOptions) (0), 0, 0);
159
160         file_entry = gtk_entry_new();
161         gtk_table_attach(GTK_TABLE(table), file_entry, 1, 2, 1, 2,
162                          (GtkAttachOptions) (GTK_EXPAND|GTK_SHRINK|GTK_FILL),
163                          (GtkAttachOptions) (0), 0, 0);
164         gtk_entry_set_activates_default(GTK_ENTRY(file_entry), TRUE);
165
166         src_button = gtkut_get_browse_directory_btn(_("_Browse"));
167         gtk_table_attach(GTK_TABLE(table), src_button, 2, 3, 0, 1,
168                          (GtkAttachOptions) (0),
169                          (GtkAttachOptions) (0), 0, 0);
170         g_signal_connect(G_OBJECT(src_button), "clicked",
171                          G_CALLBACK(export_srcsel_cb), NULL);
172
173         file_button = gtkut_get_browse_file_btn(_("B_rowse"));
174         gtk_table_attach(GTK_TABLE(table), file_button, 2, 3, 1, 2,
175                          (GtkAttachOptions) (0),
176                          (GtkAttachOptions) (0), 0, 0);
177         g_signal_connect(G_OBJECT(file_button), "clicked",
178                          G_CALLBACK(export_filesel_cb), NULL);
179
180         gtkut_stock_button_set_create(&confirm_area,
181                                       &cancel_button, GTK_STOCK_CANCEL,
182                                       &ok_button, GTK_STOCK_OK,
183                                       NULL, NULL);
184         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
185         gtk_widget_grab_default(ok_button);
186
187         g_signal_connect(G_OBJECT(ok_button), "clicked",
188                          G_CALLBACK(export_ok_cb), NULL);
189         g_signal_connect(G_OBJECT(cancel_button), "clicked",
190                          G_CALLBACK(export_cancel_cb), NULL);
191
192         gtk_widget_show_all(window);
193 }
194
195 static void export_ok_cb(GtkWidget *widget, gpointer data)
196 {
197         const gchar *srcdir, *utf8mbox;
198         FolderItem *src;
199         gchar *mbox;
200
201         srcdir = gtk_entry_get_text(GTK_ENTRY(src_entry));
202         utf8mbox = gtk_entry_get_text(GTK_ENTRY(file_entry));
203
204         if (utf8mbox && !*utf8mbox) {
205                 alertpanel_error(_("Target mbox filename can't be left empty."));
206                 gtk_widget_grab_focus(file_entry);
207                 return;
208         }
209         if (srcdir && !*srcdir) {
210                 alertpanel_error(_("Source folder can't be left empty."));
211                 gtk_widget_grab_focus(src_entry);
212                 return;
213         }
214
215         mbox = g_filename_from_utf8(utf8mbox, -1, NULL, NULL, NULL);
216         if (!mbox) {
217                 g_warning("export_ok_cb(): failed to convert character set.");
218                 mbox = g_strdup(utf8mbox);
219         }
220
221         src = folder_find_item_from_identifier(srcdir);
222         if (!src) {
223                 alertpanel_error(_("Couldn't find the source folder."));
224                 gtk_widget_grab_focus(src_entry);
225                 g_free(mbox);
226                 return;
227         } else {
228                 export_ok = export_to_mbox(src, mbox);
229         }
230
231         g_free(mbox);
232
233         if (gtk_main_level() > 1)
234                 gtk_main_quit();
235 }
236
237 static void export_cancel_cb(GtkWidget *widget, gpointer data)
238 {
239         if (gtk_main_level() > 1)
240                 gtk_main_quit();
241 }
242
243 static void export_filesel_cb(GtkWidget *widget, gpointer data)
244 {
245         gchar *filename;
246
247         filename = filesel_select_file_save(_("Select exporting file"), NULL);
248         if (!filename) return;
249
250         if (g_getenv ("G_BROKEN_FILENAMES")) {
251                 const gchar *oldstr = filename;
252                 filename = conv_codeset_strdup (filename,
253                                                 conv_get_locale_charset_str(),
254                                                 CS_UTF_8);
255                 if (!filename) {
256                         g_warning("export_filesel_cb(): failed to convert character set.");
257                         filename = g_strdup(oldstr);
258                 }
259                 gtk_entry_set_text(GTK_ENTRY(file_entry), filename);
260                 g_free(filename);
261         } else
262                 gtk_entry_set_text(GTK_ENTRY(file_entry), filename);
263 }
264
265 static void export_srcsel_cb(GtkWidget *widget, gpointer data)
266 {
267         FolderItem *src;
268
269         src = foldersel_folder_sel(NULL, FOLDER_SEL_ALL, NULL, FALSE,
270                         _("Select folder to export"));
271         if (src && src->path)
272                 gtk_entry_set_text(GTK_ENTRY(src_entry), src->path);
273 }
274
275 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
276 {
277         export_cancel_cb(NULL, NULL);
278         return TRUE;
279 }
280
281 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
282 {
283         if (event && event->keyval == GDK_KEY_Escape)
284                 export_cancel_cb(NULL, NULL);
285         return FALSE;
286 }