1 /*
2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2012 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 #include <string.h>
32
33 #include "grouplistdialog.h"
34 #include "mainwindow.h"
35 #include "manage_window.h"
36 #include "gtkutils.h"
37 #include "utils.h"
38 #include "news.h"
39 #include "folder.h"
40 #include "alertpanel.h"
41 #include "recv.h"
42 #include "socket.h"
43 #include "prefs_common.h"
44
45 #define GROUPLIST_DIALOG_WIDTH 450
46 #define GROUPLIST_DIALOG_HEIGHT 400
47 #define GROUPLIST_COL_NAME_WIDTH 250
48
49 static gboolean ack;
50 static gboolean locked;
51
52 static GtkWidget *dialog;
53 static GtkWidget *entry;
54 static GtkWidget *ctree;
55 static GtkWidget *status_label;
56 static GtkWidget *ok_button;
57 static GSList *group_list;
58 static Folder *news_folder;
59
60 static GSList *subscribed;
61
62 static void grouplist_dialog_create (void);
63 static void grouplist_dialog_set_list (const gchar *pattern,
64 gboolean refresh);
65 static void grouplist_search (void);
66 static void grouplist_clear (void);
67 static gboolean grouplist_recv_func (SockInfo *sock,
68 gint count,
69 gint read_bytes,
70 gpointer data);
71 static void grouplist_size_allocate (GtkWidget *widget,
72 GtkAllocation *allocation);
73
74 static gint window_deleted (GtkWidget *widget,
75 GdkEventAny *event,
76 gpointer data);
77 static void ok_clicked (GtkWidget *widget,
78 gpointer data);
79 static void cancel_clicked (GtkWidget *widget,
80 gpointer data);
81 static void refresh_clicked (GtkWidget *widget,
82 gpointer data);
83 static gboolean key_pressed (GtkWidget *widget,
84 GdkEventKey *event,
85 gpointer data);
86 static gboolean button_press_cb (GtkCMCTree *ctree,
87 GdkEventButton *button,
88 gpointer data);
89 static void entry_activated (GtkEditable *editable);
90 static void search_clicked (GtkWidget *widget,
91 gpointer data);
92
grouplist_dialog(Folder * folder)93 GSList *grouplist_dialog(Folder *folder)
94 {
95 GNode *node;
96 FolderItem *item;
97
98 if (dialog && gtk_widget_get_visible(dialog)) return NULL;
99
100 if (!dialog)
101 grouplist_dialog_create();
102
103 news_folder = folder;
104
105 gtk_widget_show(dialog);
106 gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
107 manage_window_set_transient(GTK_WINDOW(dialog));
108 gtk_widget_grab_focus(ok_button);
109 gtk_widget_grab_focus(ctree);
110 GTK_EVENTS_FLUSH();
111
112 subscribed = NULL;
113 for (node = folder->node->children; node != NULL; node = node->next) {
114 item = FOLDER_ITEM(node->data);
115 subscribed = g_slist_append(subscribed, g_strdup(item->path));
116 }
117
118 grouplist_dialog_set_list(NULL, TRUE);
119
120 if (ack) gtk_main();
121
122 manage_window_focus_out(dialog, NULL, NULL);
123 gtk_widget_hide(dialog);
124
125 if (!ack) {
126 slist_free_strings_full(subscribed);
127 subscribed = NULL;
128
129 for (node = folder->node->children; node != NULL;
130 node = node->next) {
131 item = FOLDER_ITEM(node->data);
132 subscribed = g_slist_append(subscribed,
133 g_strdup(item->path));
134 }
135 }
136
137 grouplist_clear();
138
139 return subscribed;
140 }
141
grouplist_dialog_create(void)142 static void grouplist_dialog_create(void)
143 {
144 GtkWidget *vbox;
145 GtkWidget *hbox;
146 GtkWidget *msg_label;
147 GtkWidget *search_button;
148 GtkWidget *confirm_area;
149 GtkWidget *cancel_button;
150 GtkWidget *refresh_button;
151 GtkWidget *scrolledwin;
152 static GdkGeometry geometry;
153 gchar *titles[3];
154 gint i;
155
156 dialog = gtk_dialog_new();
157 gtk_window_set_resizable(GTK_WINDOW(dialog), TRUE);
158 gtk_container_set_border_width
159 (GTK_CONTAINER(gtk_dialog_get_action_area(GTK_DIALOG(dialog))), 5);
160 gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
161 gtk_window_set_title(GTK_WINDOW(dialog), _("Newsgroup subscription"));
162 g_signal_connect(G_OBJECT(dialog), "delete_event",
163 G_CALLBACK(window_deleted), NULL);
164 g_signal_connect(G_OBJECT(dialog), "key_press_event",
165 G_CALLBACK(key_pressed), NULL);
166 g_signal_connect(G_OBJECT(dialog), "size_allocate",
167 G_CALLBACK(grouplist_size_allocate), NULL);
168 MANAGE_WINDOW_SIGNALS_CONNECT(dialog);
169
170 vbox = gtk_vbox_new(FALSE, 8);
171 gtk_container_add(GTK_CONTAINER(
172 gtk_dialog_get_content_area(GTK_DIALOG(dialog))), vbox);
173 gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
174
175 hbox = gtk_hbox_new(FALSE, 0);
176 gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
177
178 msg_label = gtk_label_new(_("Select newsgroups for subscription:"));
179 gtk_box_pack_start(GTK_BOX(hbox), msg_label, FALSE, FALSE, 0);
180
181 hbox = gtk_hbox_new(FALSE, 8);
182 gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
183
184 msg_label = gtk_label_new(_("Find groups:"));
185 gtk_box_pack_start(GTK_BOX(hbox), msg_label, FALSE, FALSE, 0);
186
187 entry = gtk_entry_new();
188 gtk_box_pack_start(GTK_BOX(hbox), entry, TRUE, TRUE, 0);
189 g_signal_connect(G_OBJECT(entry), "activate",
190 G_CALLBACK(entry_activated), NULL);
191
192 search_button = gtk_button_new_with_label(_(" Search "));
193 gtk_box_pack_start(GTK_BOX(hbox), search_button, FALSE, FALSE, 0);
194
195 g_signal_connect(G_OBJECT(search_button), "clicked",
196 G_CALLBACK(search_clicked), NULL);
197
198 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
199 gtk_box_pack_start(GTK_BOX (vbox), scrolledwin, TRUE, TRUE, 0);
200 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (scrolledwin),
201 GTK_POLICY_AUTOMATIC,
202 GTK_POLICY_AUTOMATIC);
203
204 titles[0] = _("Newsgroup name");
205 titles[1] = _("Messages");
206 titles[2] = _("Type");
207 ctree = gtk_sctree_new_with_titles(3, 0, titles);
208 gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
209 gtk_cmclist_set_column_width
210 (GTK_CMCLIST(ctree), 0, GROUPLIST_COL_NAME_WIDTH);
211 gtk_cmclist_set_column_auto_resize(GTK_CMCLIST(ctree), 0, TRUE);
212 gtk_cmclist_set_selection_mode(GTK_CMCLIST(ctree), GTK_SELECTION_MULTIPLE);
213
214 gtk_cmctree_set_expander_style(GTK_CMCTREE(ctree),
215 GTK_CMCTREE_EXPANDER_TRIANGLE);
216
217 for (i = 0; i < 3; i++)
218 gtk_widget_set_can_focus(GTK_CMCLIST(ctree)->column[i].button, FALSE);
219 g_signal_connect(G_OBJECT(ctree), "button-press-event",
220 G_CALLBACK(button_press_cb), NULL);
221
222 hbox = gtk_hbox_new(FALSE, 0);
223 gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
224
225 status_label = gtk_label_new("");
226 gtk_box_pack_start(GTK_BOX(hbox), status_label, FALSE, FALSE, 0);
227
228 gtkut_stock_button_set_create(&confirm_area,
229 &refresh_button, GTK_STOCK_REFRESH,
230 &cancel_button, GTK_STOCK_CANCEL,
231 &ok_button, GTK_STOCK_OK);
232 gtk_container_add(GTK_CONTAINER(gtk_dialog_get_action_area(GTK_DIALOG(dialog))),
233 confirm_area);
234 gtk_widget_grab_default(ok_button);
235
236 g_signal_connect(G_OBJECT(ok_button), "clicked",
237 G_CALLBACK(ok_clicked), NULL);
238 g_signal_connect(G_OBJECT(cancel_button), "clicked",
239 G_CALLBACK(cancel_clicked), NULL);
240 g_signal_connect(G_OBJECT(refresh_button), "clicked",
241 G_CALLBACK(refresh_clicked), NULL);
242
243 if (!geometry.min_width) {
244 geometry.min_width = GROUPLIST_DIALOG_WIDTH;
245 geometry.min_height = GROUPLIST_DIALOG_HEIGHT;
246 }
247
248 gtk_window_set_geometry_hints(GTK_WINDOW(dialog), NULL, &geometry,
249 GDK_HINT_MIN_SIZE);
250 gtk_window_set_default_size(GTK_WINDOW(dialog),
251 prefs_common.news_subscribe_width,
252 prefs_common.news_subscribe_height);
253
254 gtk_widget_show_all(gtk_dialog_get_content_area(GTK_DIALOG(dialog)));
255 }
256
257 static GHashTable *branch_node_table;
258
grouplist_hash_init(void)259 static void grouplist_hash_init(void)
260 {
261 branch_node_table = g_hash_table_new(g_str_hash, g_str_equal);
262 }
263
grouplist_hash_done(void)264 static void grouplist_hash_done(void)
265 {
266 hash_free_strings(branch_node_table);
267 g_hash_table_destroy(branch_node_table);
268 }
269
grouplist_hash_get_branch_node(const gchar * name)270 static GtkCMCTreeNode *grouplist_hash_get_branch_node(const gchar *name)
271 {
272 return g_hash_table_lookup(branch_node_table, name);
273 }
274
grouplist_hash_set_branch_node(const gchar * name,GtkCMCTreeNode * node)275 static void grouplist_hash_set_branch_node(const gchar *name,
276 GtkCMCTreeNode *node)
277 {
278 g_hash_table_insert(branch_node_table, g_strdup(name), node);
279 }
280
grouplist_get_parent_name(const gchar * name)281 static gchar *grouplist_get_parent_name(const gchar *name)
282 {
283 gchar *p;
284
285 p = strrchr(name, '.');
286 if (!p)
287 return g_strdup("");
288 return g_strndup(name, p - name);
289 }
290
grouplist_create_parent(const gchar * name,const gchar * pattern)291 static GtkCMCTreeNode *grouplist_create_parent(const gchar *name,
292 const gchar *pattern)
293 {
294 GtkCMCTreeNode *parent;
295 GtkCMCTreeNode *node;
296 gchar *cols[3];
297 gchar *parent_name;
298
299 if (*name == '\0') return NULL;
300 node = grouplist_hash_get_branch_node(name);
301 if (node != NULL) return node;
302
303 cols[0] = (gchar *)name;
304 cols[1] = cols[2] = "";
305
306 parent_name = grouplist_get_parent_name(name);
307 parent = grouplist_create_parent(parent_name, pattern);
308
309 node = parent ? GTK_CMCTREE_ROW(parent)->children
310 : GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
311 node = gtk_sctree_insert_node(GTK_CMCTREE(ctree), parent, node,
312 cols, 0, NULL, NULL,
313 FALSE, FALSE);
314 if (parent && g_pattern_match_simple(pattern, parent_name) == FALSE)
315 gtk_cmctree_expand(GTK_CMCTREE(ctree), parent);
316 gtk_cmctree_node_set_selectable(GTK_CMCTREE(ctree), node, FALSE);
317
318 grouplist_hash_set_branch_node(name, node);
319
320 g_free(parent_name);
321
322 return node;
323 }
324
grouplist_create_branch(NewsGroupInfo * ginfo,const gchar * pattern)325 static GtkCMCTreeNode *grouplist_create_branch(NewsGroupInfo *ginfo,
326 const gchar *pattern)
327 {
328 GtkCMCTreeNode *node;
329 GtkCMCTreeNode *parent;
330 gchar *name = (gchar *)ginfo->name;
331 gchar *parent_name;
332 gchar *count_str;
333 gchar *cols[3];
334 gint count;
335
336 count = ginfo->last - ginfo->first;
337 if (count < 0)
338 count = 0;
339 count_str = itos(count);
340
341 cols[0] = ginfo->name;
342 cols[1] = count_str;
343 if (ginfo->type == 'y')
344 cols[2] = "";
345 else if (ginfo->type == 'm')
346 cols[2] = _("moderated");
347 else if (ginfo->type == 'n')
348 cols[2] = _("readonly");
349 else
350 cols[2] = _("unknown");
351
352 parent_name = grouplist_get_parent_name(name);
353 parent = grouplist_create_parent(parent_name, pattern);
354 node = grouplist_hash_get_branch_node(name);
355 if (node) {
356 gtk_cmctree_set_node_info(GTK_CMCTREE(ctree), node, cols[0], 0,
357 NULL, NULL, FALSE, FALSE);
358 gtk_cmctree_node_set_text(GTK_CMCTREE(ctree), node, 1, cols[1]);
359 gtk_cmctree_node_set_text(GTK_CMCTREE(ctree), node, 2, cols[2]);
360 } else {
361 node = parent ? GTK_CMCTREE_ROW(parent)->children
362 : GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
363 node = gtk_sctree_insert_node(GTK_CMCTREE(ctree), parent, node,
364 cols, 0, NULL, NULL,
365 TRUE, FALSE);
366 if (parent &&
367 g_pattern_match_simple(pattern, parent_name) == FALSE)
368 gtk_cmctree_expand(GTK_CMCTREE(ctree), parent);
369 }
370 gtk_cmctree_node_set_selectable(GTK_CMCTREE(ctree), node, TRUE);
371 if (node)
372 gtk_cmctree_node_set_row_data(GTK_CMCTREE(ctree), node, ginfo);
373
374 g_free(parent_name);
375
376 return node;
377 }
378
grouplist_expand_upwards(GtkCMCTree * ctree,const gchar * name)379 static void grouplist_expand_upwards(GtkCMCTree *ctree, const gchar *name) {
380 const gchar *ptr;
381 gchar *newname=g_malloc0(strlen(name));
382 GtkCMCTreeNode *node;
383
384 for (ptr=name; *ptr; ptr++) {
385 if (*ptr == '.') {
386 node = grouplist_hash_get_branch_node(newname);
387 if (node != NULL)
388 gtk_cmctree_expand(ctree, node);
389 }
390 newname[ptr-name] = *ptr;
391 }
392 g_free(newname);
393 }
394
grouplist_dialog_set_list(const gchar * pattern,gboolean refresh)395 static void grouplist_dialog_set_list(const gchar *pattern, gboolean refresh)
396 {
397 static GdkCursor *watch_cursor = NULL;
398 GSList *cur;
399 GtkCMCTreeNode *node;
400 GPatternSpec *pspec;
401 GdkWindow *window;
402
403 if (locked) return;
404 locked = TRUE;
405
406 if (!pattern || *pattern == '\0')
407 pattern = "*";
408
409 if (!watch_cursor)
410 watch_cursor = gdk_cursor_new(GDK_WATCH);
411 window = gtk_widget_get_window(dialog);
412 gdk_window_set_cursor(window, watch_cursor);
413 main_window_cursor_wait(mainwindow_get_mainwindow());
414 GTK_EVENTS_FLUSH();
415
416 if (refresh) {
417 ack = TRUE;
418 grouplist_clear();
419 recv_set_ui_func(grouplist_recv_func, NULL);
420 group_list = news_get_group_list(news_folder);
421 group_list = g_slist_reverse(group_list);
422 recv_set_ui_func(NULL, NULL);
423 if (group_list == NULL && ack == TRUE) {
424 alertpanel_error(_("Can't retrieve newsgroup list."));
425 locked = FALSE;
426 gdk_window_set_cursor(window, NULL);
427 main_window_cursor_normal(mainwindow_get_mainwindow());
428 return;
429 }
430 } else
431 gtk_cmclist_clear(GTK_CMCLIST(ctree));
432
433 gtk_entry_set_text(GTK_ENTRY(entry), pattern);
434
435 grouplist_hash_init();
436
437 gtk_cmclist_freeze(GTK_CMCLIST(ctree));
438
439 pspec = g_pattern_spec_new(pattern);
440
441 for (cur = group_list; cur != NULL ; cur = cur->next) {
442 NewsGroupInfo *ginfo = (NewsGroupInfo *)cur->data;
443
444 if (g_pattern_match_string(pspec, ginfo->name)) {
445 node = grouplist_create_branch(ginfo, pattern);
446 if (g_slist_find_custom(subscribed, ginfo->name,
447 (GCompareFunc)g_ascii_strcasecmp)
448 != NULL)
449 gtk_cmctree_select(GTK_CMCTREE(ctree), node);
450 }
451 }
452 for (cur = subscribed; cur; cur = g_slist_next(cur))
453 grouplist_expand_upwards(GTK_CMCTREE(ctree), (gchar *)cur->data);
454
455 g_pattern_spec_free(pspec);
456
457 gtk_cmclist_thaw(GTK_CMCLIST(ctree));
458
459 grouplist_hash_done();
460
461 gtk_label_set_text(GTK_LABEL(status_label), _("Done."));
462
463 gdk_window_set_cursor(window, NULL);
464 main_window_cursor_normal(mainwindow_get_mainwindow());
465
466 locked = FALSE;
467 }
468
grouplist_search(void)469 static void grouplist_search(void)
470 {
471 gchar *str;
472
473 if (locked) return;
474
475 str = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
476 grouplist_dialog_set_list(str, FALSE);
477 g_free(str);
478 }
479
grouplist_clear(void)480 static void grouplist_clear(void)
481 {
482 gtk_cmclist_clear(GTK_CMCLIST(ctree));
483 gtk_entry_set_text(GTK_ENTRY(entry), "");
484 news_group_list_free(group_list);
485 group_list = NULL;
486 }
487
grouplist_recv_func(SockInfo * sock,gint count,gint read_bytes,gpointer data)488 static gboolean grouplist_recv_func(SockInfo *sock, gint count, gint read_bytes,
489 gpointer data)
490 {
491 gchar buf[BUFFSIZE];
492
493 g_snprintf(buf, sizeof(buf),
494 _("%d newsgroups received (%s read)"),
495 count, to_human_readable((goffset)read_bytes));
496 gtk_label_set_text(GTK_LABEL(status_label), buf);
497 GTK_EVENTS_FLUSH();
498 if (ack == FALSE)
499 return FALSE;
500 else
501 return TRUE;
502 }
503
grouplist_size_allocate(GtkWidget * widget,GtkAllocation * allocation)504 static void grouplist_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
505 {
506 cm_return_if_fail( allocation != NULL );
507
508 prefs_common.news_subscribe_width = allocation->width;
509 prefs_common.news_subscribe_height = allocation->height;
510 }
511
window_deleted(GtkWidget * widget,GdkEventAny * event,gpointer data)512 static gint window_deleted(GtkWidget *widget, GdkEventAny *event, gpointer data)
513 {
514 ack = FALSE;
515 if (gtk_main_level() > 1)
516 gtk_main_quit();
517
518 return TRUE;
519 }
520
ok_clicked(GtkWidget * widget,gpointer data)521 static void ok_clicked(GtkWidget *widget, gpointer data)
522 {
523 ack = TRUE;
524 if (gtk_main_level() > 1)
525 gtk_main_quit();
526 }
527
cancel_clicked(GtkWidget * widget,gpointer data)528 static void cancel_clicked(GtkWidget *widget, gpointer data)
529 {
530 ack = FALSE;
531 if (gtk_main_level() > 1)
532 gtk_main_quit();
533 }
534
refresh_clicked(GtkWidget * widget,gpointer data)535 static void refresh_clicked(GtkWidget *widget, gpointer data)
536 {
537 gchar *str;
538
539 if (locked) return;
540
541 news_remove_group_list_cache(news_folder);
542
543 str = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
544 grouplist_dialog_set_list(str, TRUE);
545 g_free(str);
546 }
547
key_pressed(GtkWidget * widget,GdkEventKey * event,gpointer data)548 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
549 {
550 if (event && event->keyval == GDK_KEY_Escape)
551 cancel_clicked(NULL, NULL);
552 return FALSE;
553 }
554
555 /* clist/ctree clear old selection on click (gtk2 only)
556 * - intercept all button clicks (always return TRUE)
557 * - only allow left button single click
558 * - handle click on expander
559 * - update "subscribed" list and un-/select row
560 */
button_press_cb(GtkCMCTree * ctree,GdkEventButton * button,gpointer data)561 static gboolean button_press_cb(GtkCMCTree *ctree, GdkEventButton *button,
562 gpointer data)
563 {
564 gint row, col;
565 GtkCMCTreeNode *node;
566 NewsGroupInfo *ginfo;
567 GSList *list;
568
569 if (button->type != GDK_BUTTON_PRESS) return TRUE;
570 if (button->button != 1) return TRUE;
571 if (button->window != GTK_CMCLIST(ctree)->clist_window) return TRUE;
572
573 if (!gtk_cmclist_get_selection_info(GTK_CMCLIST(ctree),
574 button->x, button->y, &row, &col))
575 return TRUE;
576 node = gtk_cmctree_node_nth(ctree, row);
577 if (!node) return TRUE;
578
579 if (gtk_cmctree_is_hot_spot(ctree, button->x, button->y)) {
580 gtk_cmctree_toggle_expansion(ctree, node);
581 return TRUE;
582 }
583
584 ginfo = gtk_cmctree_node_get_row_data(ctree, node);
585 if (!ginfo) return TRUE;
586
587 list = g_slist_find_custom(subscribed, ginfo->name,
588 (GCompareFunc)g_ascii_strcasecmp);
589 if (list) {
590 g_free(list->data);
591 subscribed = g_slist_remove(subscribed, list->data);
592 gtk_cmclist_unselect_row(GTK_CMCLIST(ctree), row, 0);
593 } else {
594 subscribed = g_slist_append(subscribed, g_strdup(ginfo->name));
595 gtk_cmclist_select_row(GTK_CMCLIST(ctree), row, 0);
596 }
597
598 return TRUE;
599 }
600
entry_activated(GtkEditable * editable)601 static void entry_activated(GtkEditable *editable)
602 {
603 grouplist_search();
604 }
605
search_clicked(GtkWidget * widget,gpointer data)606 static void search_clicked(GtkWidget *widget, gpointer data)
607 {
608 grouplist_search();
609 }
610