src/grouplistdialog.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 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 2 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, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gdk/gdkkeysyms.h>
  28 #include <gtk/gtkmain.h>
  29 #include <gtk/gtkwidget.h>
  30 #include <gtk/gtkdialog.h>
  31 #include <gtk/gtkwindow.h>
  32 #include <gtk/gtksignal.h>
  33 #include <gtk/gtkvbox.h>
  34 #include <gtk/gtkhbox.h>
  35 #include <gtk/gtklabel.h>
  36 #include <gtk/gtkentry.h>
  37 #include <gtk/gtkclist.h>
  38 #include <gtk/gtkscrolledwindow.h>
  39 #include <gtk/gtkbutton.h>
  40 #include <gtk/gtkhbbox.h>
  41 #include <string.h>
  42 #include <fnmatch.h>
  43
  44 #include "intl.h"
  45 #include "grouplistdialog.h"
  46 #include "manage_window.h"
  47 #include "gtkutils.h"
  48 #include "utils.h"
  49 #include "news.h"
  50 #include "folder.h"
  51 #include "alertpanel.h"
  52 #include "recv.h"
  53 #include "socket.h"
  54
  55 #define GROUPLIST_DIALOG_WIDTH  500
  56 #define GROUPLIST_NAMES         250
  57 #define GROUPLIST_DIALOG_HEIGHT 400
  58
  59 static GList * subscribed = NULL;
  60 gboolean dont_unsubscribed = FALSE;
  61
  62 static gboolean ack;
  63 static gboolean locked;
  64
  65 static GtkWidget *dialog;
  66 static GtkWidget *entry;
  67 static GtkWidget *clist;
  68 static GtkWidget *status_label;
  69 static GtkWidget *ok_button;
  70 static GSList *group_list = NULL;
  71 static Folder *news_folder;
  72
  73 static void grouplist_dialog_create     (void);
  74 static void grouplist_dialog_set_list   (gchar * pattern);
  75 static void grouplist_clear             (void);
  76 static void grouplist_recv_func         (SockInfo       *sock,
  77                                          gint            count,
  78                                          gint            read_bytes,
  79                                          gpointer        data);
  80
  81 static void ok_clicked          (GtkWidget      *widget,
  82                                  gpointer        data);
  83 static void cancel_clicked      (GtkWidget      *widget,
  84                                  gpointer        data);
  85 static void refresh_clicked     (GtkWidget      *widget,
  86                                  gpointer        data);
  87 static void key_pressed         (GtkWidget      *widget,
  88                                  GdkEventKey    *event,
  89                                  gpointer        data);
  90 static void clist_selected      (GtkCList       *clist,
  91                                  gint            row,
  92                                  gint            column,
  93                                  GdkEventButton *event,
  94                                  gpointer        user_data);
  95 static void clist_unselected    (GtkCList       *clist,
  96                                  gint            row,
  97                                  gint            column,
  98                                  GdkEventButton *event,
  99                                  gpointer        user_data);
 100 static void entry_activated     (GtkEditable    *editable);
 101
 102 GList *grouplist_dialog(Folder *folder, GList * cur_subscriptions)
 103 {
 104         gchar *str;
 105         GList * l;
 106
 107         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
 108
 109         if (!dialog)
 110                 grouplist_dialog_create();
 111
 112         news_folder = folder;
 113
 114         gtk_widget_show(dialog);
 115         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 116         manage_window_set_transient(GTK_WINDOW(dialog));
 117         GTK_EVENTS_FLUSH();
 118
 119         subscribed = NULL;
 120
 121         for(l = cur_subscriptions ; l != NULL ; l = l->next)
 122           subscribed = g_list_append(subscribed, g_strdup((gchar *) l->data));
 123
 124         grouplist_dialog_set_list(NULL);
 125
 126         gtk_main();
 127
 128         manage_window_focus_out(dialog, NULL, NULL);
 129         gtk_widget_hide(dialog);
 130
 131         /*
 132         if (ack) {
 133                 str = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
 134                 if (str && *str == '\0') {
 135                         g_free(str);
 136                         str = NULL;
 137                 }
 138         } else
 139                 str = NULL;
 140         */
 141         if (!ack) {
 142           list_free_strings(subscribed);
 143           g_list_free(subscribed);
 144
 145           subscribed = NULL;
 146
 147           for(l = cur_subscriptions ; l != NULL ; l = l->next)
 148             subscribed = g_list_append(subscribed, g_strdup((gchar *) l->data));
 149         }
 150
 151         GTK_EVENTS_FLUSH();
 152
 153         debug_print("return string = %s\n", str ? str : "(none)");
 154         return subscribed;
 155 }
 156
 157 static void grouplist_clear(void)
 158 {
 159         dont_unsubscribed = TRUE;
 160         gtk_clist_clear(GTK_CLIST(clist));
 161         gtk_entry_set_text(GTK_ENTRY(entry), "");
 162         dont_unsubscribed = FALSE;
 163 }
 164
 165 static void grouplist_dialog_create(void)
 166 {
 167         GtkWidget *vbox;
 168         GtkWidget *hbox;
 169         GtkWidget *msg_label;
 170         GtkWidget *confirm_area;
 171         GtkWidget *cancel_button;
 172         GtkWidget *refresh_button;
 173         GtkWidget *scrolledwin;
 174         gchar * col_names[3] = {
 175                 _("name"), _("count of messages"), _("type")
 176         };
 177
 178         dialog = gtk_dialog_new();
 179         gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, TRUE, FALSE);
 180         gtk_widget_set_usize(dialog,
 181                              GROUPLIST_DIALOG_WIDTH, GROUPLIST_DIALOG_HEIGHT);
 182         gtk_container_set_border_width
 183                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 184         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 185         gtk_window_set_title(GTK_WINDOW(dialog), _("Subscribe to newsgroup"));
 186         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
 187                            GTK_SIGNAL_FUNC(cancel_clicked), NULL);
 188         gtk_signal_connect(GTK_OBJECT(dialog), "key_press_event",
 189                            GTK_SIGNAL_FUNC(key_pressed), NULL);
 190         gtk_signal_connect(GTK_OBJECT(dialog), "focus_in_event",
 191                            GTK_SIGNAL_FUNC(manage_window_focus_in), NULL);
 192         gtk_signal_connect(GTK_OBJECT(dialog), "focus_out_event",
 193                            GTK_SIGNAL_FUNC(manage_window_focus_out), NULL);
 194
 195         gtk_widget_realize(dialog);
 196
 197         vbox = gtk_vbox_new(FALSE, 8);
 198         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
 199         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
 200
 201         hbox = gtk_hbox_new(FALSE, 0);
 202         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 203
 204         msg_label = gtk_label_new(_("Input subscribing newsgroup:"));
 205         gtk_box_pack_start(GTK_BOX(hbox), msg_label, FALSE, FALSE, 0);
 206
 207         entry = gtk_entry_new();
 208         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
 209         gtk_signal_connect(GTK_OBJECT(entry), "activate",
 210                            GTK_SIGNAL_FUNC(entry_activated), NULL);
 211
 212         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 213         gtk_box_pack_start(GTK_BOX (vbox), scrolledwin, TRUE, TRUE, 0);
 214         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (scrolledwin),
 215                                        GTK_POLICY_AUTOMATIC,
 216                                        GTK_POLICY_AUTOMATIC);
 217
 218         clist = gtk_clist_new_with_titles(3, col_names);
 219         gtk_container_add(GTK_CONTAINER(scrolledwin), clist);
 220         gtk_clist_set_selection_mode(GTK_CLIST(clist), GTK_SELECTION_MULTIPLE);
 221         GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(clist)->column[0].button,
 222                                GTK_CAN_FOCUS);
 223         gtk_signal_connect(GTK_OBJECT(clist), "select_row",
 224                            GTK_SIGNAL_FUNC(clist_selected), NULL);
 225         gtk_signal_connect(GTK_OBJECT(clist), "unselect_row",
 226                            GTK_SIGNAL_FUNC(clist_unselected), NULL);
 227
 228         hbox = gtk_hbox_new(FALSE, 0);
 229         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 230
 231         status_label = gtk_label_new("");
 232         gtk_box_pack_start(GTK_BOX(hbox), status_label, FALSE, FALSE, 0);
 233
 234         gtkut_button_set_create(&confirm_area,
 235                                 &ok_button,      _("OK"),
 236                                 &cancel_button,  _("Cancel"),
 237                                 &refresh_button, _("Refresh"));
 238         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
 239                           confirm_area);
 240         gtk_widget_grab_default(ok_button);
 241
 242         gtk_signal_connect(GTK_OBJECT(ok_button), "clicked",
 243                            GTK_SIGNAL_FUNC(ok_clicked), NULL);
 244         gtk_signal_connect(GTK_OBJECT(cancel_button), "clicked",
 245                            GTK_SIGNAL_FUNC(cancel_clicked), NULL);
 246         gtk_signal_connect(GTK_OBJECT(refresh_button), "clicked",
 247                            GTK_SIGNAL_FUNC(refresh_clicked), NULL);
 248
 249         gtk_widget_show_all(GTK_DIALOG(dialog)->vbox);
 250 }
 251
 252 static void grouplist_dialog_set_list(gchar * pattern)
 253 {
 254         GSList *cur;
 255         gint row;
 256
 257         if (pattern == NULL)
 258                 pattern = "*";
 259
 260         if (locked) return;
 261         locked = TRUE;
 262
 263         grouplist_clear();
 264
 265         if (group_list == NULL) {
 266           recv_set_ui_func(grouplist_recv_func, NULL);
 267           group_list = news_get_group_list(news_folder);
 268           recv_set_ui_func(NULL, NULL);
 269           if (group_list == NULL) {
 270             alertpanel_error(_("Can't retrieve newsgroup list."));
 271             locked = FALSE;
 272             return;
 273           }
 274         }
 275
 276         dont_unsubscribed = TRUE;
 277
 278         gtk_clist_freeze(GTK_CLIST(clist));
 279         for (cur = group_list; cur != NULL ; cur = cur->next) {
 280                 struct NNTPGroupInfo * info;
 281
 282                 info = (struct NNTPGroupInfo *) cur->data;
 283
 284                 if (fnmatch(pattern, info->name, 0) == 0) {
 285                         gchar count_str[10];
 286                         gchar * cols[3];
 287                         gint count;
 288                         GList * l;
 289
 290                         count = info->last - info->first;
 291                         if (count < 0)
 292                                 count = 0;
 293                         snprintf(count_str, 10, "%i", count);
 294
 295                         cols[0] = info->name;
 296                         cols[1] = count_str;
 297                         if (info->type == 'y')
 298                                 cols[2] = "";
 299                         else if (info->type == 'm')
 300                                 cols[2] = "moderated";
 301                         else if (info->type == 'n')
 302                                 cols[2] = "readonly";
 303                         else
 304                                 cols[2] = "unkown";
 305
 306                         row = gtk_clist_append(GTK_CLIST(clist), cols);
 307                         gtk_clist_set_row_data(GTK_CLIST(clist), row, info);
 308
 309                         l = g_list_find_custom(subscribed, info->name,
 310                                                (GCompareFunc) g_strcasecmp);
 311
 312                         if (l != NULL)
 313                           gtk_clist_select_row(GTK_CLIST(clist), row, 0);
 314                 }
 315         }
 316
 317         gtk_clist_moveto(GTK_CLIST(clist), 0, 0, 0, 0);
 318
 319         dont_unsubscribed = FALSE;
 320
 321         gtk_clist_set_column_width(GTK_CLIST(clist), 0, GROUPLIST_NAMES);
 322         gtk_clist_set_column_justification (GTK_CLIST(clist), 1,
 323                                             GTK_JUSTIFY_RIGHT);
 324         gtk_clist_set_column_auto_resize(GTK_CLIST(clist), 1, TRUE);
 325         gtk_clist_set_column_auto_resize(GTK_CLIST(clist), 2, TRUE);
 326
 327         gtk_clist_thaw(GTK_CLIST(clist));
 328
 329         gtk_widget_grab_focus(ok_button);
 330         gtk_widget_grab_focus(clist);
 331
 332         gtk_label_set_text(GTK_LABEL(status_label), _("Done."));
 333
 334         locked = FALSE;
 335 }
 336
 337 static void grouplist_recv_func(SockInfo *sock, gint count, gint read_bytes,
 338                                 gpointer data)
 339 {
 340         gchar buf[BUFFSIZE];
 341
 342         g_snprintf(buf, sizeof(buf),
 343                    _("%d newsgroups received (%s read)"),
 344                    count, to_human_readable(read_bytes));
 345         gtk_label_set_text(GTK_LABEL(status_label), buf);
 346         GTK_EVENTS_FLUSH();
 347 }
 348
 349 static void ok_clicked(GtkWidget *widget, gpointer data)
 350 {
 351         gchar * str;
 352         gboolean update_list;
 353
 354         str = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
 355
 356         update_list = FALSE;
 357
 358         if (strchr(str, '*') != NULL)
 359           update_list = TRUE;
 360
 361         if (update_list) {
 362                 grouplist_dialog_set_list(str);
 363                 g_free(str);
 364         }
 365         else {
 366                 g_free(str);
 367                 ack = TRUE;
 368                 if (gtk_main_level() > 1)
 369                         gtk_main_quit();
 370         }
 371 }
 372
 373 static void cancel_clicked(GtkWidget *widget, gpointer data)
 374 {
 375         ack = FALSE;
 376         if (gtk_main_level() > 1)
 377                 gtk_main_quit();
 378 }
 379
 380 static void refresh_clicked(GtkWidget *widget, gpointer data)
 381 {
 382         gchar * str;
 383
 384         if (locked) return;
 385
 386         news_group_list_free(group_list);
 387         news_remove_group_list(news_folder);
 388
 389         str = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
 390         grouplist_dialog_set_list(str);
 391         g_free(str);
 392 }
 393
 394 static void key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 395 {
 396         if (event && event->keyval == GDK_Escape)
 397                 cancel_clicked(NULL, NULL);
 398 }
 399
 400 static void clist_selected(GtkCList *clist, gint row, gint column,
 401                            GdkEventButton *event, gpointer user_data)
 402 {
 403         struct NNTPGroupInfo * group;
 404         GList * l;
 405
 406         group = (struct NNTPGroupInfo *)
 407           gtk_clist_get_row_data(GTK_CLIST(clist), row);
 408
 409         if (!dont_unsubscribed) {
 410                 subscribed = g_list_append(subscribed, g_strdup(group->name));
 411         }
 412 }
 413
 414 static void clist_unselected(GtkCList *clist, gint row, gint column,
 415                              GdkEventButton *event, gpointer user_data)
 416 {
 417         struct NNTPGroupInfo * group;
 418         GList * l;
 419
 420         group = (struct NNTPGroupInfo *)
 421           gtk_clist_get_row_data(GTK_CLIST(clist), row);
 422
 423         if (!dont_unsubscribed) {
 424                 l = g_list_find_custom(subscribed, group->name,
 425                                        (GCompareFunc) g_strcasecmp);
 426                 if (l != NULL) {
 427                   g_free(l->data);
 428                         subscribed = g_list_remove(subscribed, l->data);
 429                 }
 430         }
 431 }
 432
 433 static gboolean match_string(gchar * str, gchar * expr)
 434 {
 435 }
 436
 437 static void entry_activated(GtkEditable *editable)
 438 {
 439         gchar * str;
 440         gboolean update_list;
 441
 442         str = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
 443
 444         update_list = FALSE;
 445
 446         if (strchr(str, '*') != NULL)
 447           update_list = TRUE;
 448
 449         if (update_list) {
 450                 grouplist_dialog_set_list(str);
 451                 g_free(str);
 452         }
 453         else {
 454                 g_free(str);
 455                 ok_clicked(NULL, NULL);
 456         }
 457 }