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  420
  56 #define GROUPLIST_DIALOG_HEIGHT 400
  57
  58 static gboolean ack;
  59 static gboolean locked;
  60
  61 static GtkWidget *dialog;
  62 static GtkWidget *entry;
  63 static GtkWidget *clist;
  64 static GtkWidget *status_label;
  65 static GtkWidget *ok_button;
  66 static GSList *group_list;
  67 static Folder *news_folder;
  68
  69 static void grouplist_dialog_create     (void);
  70 static void grouplist_dialog_set_list   (gchar * pattern);
  71 static void grouplist_clear             (void);
  72 static void grouplist_recv_func         (SockInfo       *sock,
  73                                          gint            count,
  74                                          gint            read_bytes,
  75                                          gpointer        data);
  76
  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 void key_pressed         (GtkWidget      *widget,
  84                                  GdkEventKey    *event,
  85                                  gpointer        data);
  86 static void clist_selected      (GtkCList       *clist,
  87                                  gint            row,
  88                                  gint            column,
  89                                  GdkEventButton *event,
  90                                  gpointer        user_data);
  91 static void entry_activated     (GtkEditable    *editable);
  92
  93 gchar *grouplist_dialog(Folder *folder)
  94 {
  95         gchar *str;
  96
  97         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
  98
  99         if (!dialog)
 100                 grouplist_dialog_create();
 101
 102         news_folder = folder;
 103
 104         gtk_widget_show(dialog);
 105         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 106         manage_window_set_transient(GTK_WINDOW(dialog));
 107         GTK_EVENTS_FLUSH();
 108
 109         grouplist_dialog_set_list(NULL);
 110
 111         gtk_main();
 112
 113         manage_window_focus_out(dialog, NULL, NULL);
 114         gtk_widget_hide(dialog);
 115
 116         if (ack) {
 117                 str = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
 118                 if (str && *str == '\0') {
 119                         g_free(str);
 120                         str = NULL;
 121                 }
 122         } else
 123                 str = NULL;
 124
 125         GTK_EVENTS_FLUSH();
 126
 127         debug_print("return string = %s\n", str ? str : "(none)");
 128         return str;
 129 }
 130
 131 static void grouplist_clear(void)
 132 {
 133         gtk_clist_clear(GTK_CLIST(clist));
 134         gtk_entry_set_text(GTK_ENTRY(entry), "");
 135         slist_free_strings(group_list);
 136         g_slist_free(group_list);
 137 }
 138
 139 static void grouplist_dialog_create(void)
 140 {
 141         GtkWidget *vbox;
 142         GtkWidget *hbox;
 143         GtkWidget *msg_label;
 144         GtkWidget *confirm_area;
 145         GtkWidget *cancel_button;
 146         GtkWidget *refresh_button;
 147         GtkWidget *scrolledwin;
 148
 149         dialog = gtk_dialog_new();
 150         gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, TRUE, FALSE);
 151         gtk_widget_set_usize(dialog,
 152                              GROUPLIST_DIALOG_WIDTH, GROUPLIST_DIALOG_HEIGHT);
 153         gtk_container_set_border_width
 154                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 155         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 156         gtk_window_set_title(GTK_WINDOW(dialog), _("Subscribe to newsgroup"));
 157         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
 158                            GTK_SIGNAL_FUNC(cancel_clicked), NULL);
 159         gtk_signal_connect(GTK_OBJECT(dialog), "key_press_event",
 160                            GTK_SIGNAL_FUNC(key_pressed), NULL);
 161         gtk_signal_connect(GTK_OBJECT(dialog), "focus_in_event",
 162                            GTK_SIGNAL_FUNC(manage_window_focus_in), NULL);
 163         gtk_signal_connect(GTK_OBJECT(dialog), "focus_out_event",
 164                            GTK_SIGNAL_FUNC(manage_window_focus_out), NULL);
 165
 166         gtk_widget_realize(dialog);
 167
 168         vbox = gtk_vbox_new(FALSE, 8);
 169         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
 170         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
 171
 172         hbox = gtk_hbox_new(FALSE, 0);
 173         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 174
 175         msg_label = gtk_label_new(_("Input subscribing newsgroup:"));
 176         gtk_box_pack_start(GTK_BOX(hbox), msg_label, FALSE, FALSE, 0);
 177
 178         entry = gtk_entry_new();
 179         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
 180         gtk_signal_connect(GTK_OBJECT(entry), "activate",
 181                            GTK_SIGNAL_FUNC(entry_activated), NULL);
 182
 183         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 184         gtk_box_pack_start(GTK_BOX (vbox), scrolledwin, TRUE, TRUE, 0);
 185         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (scrolledwin),
 186                                        GTK_POLICY_AUTOMATIC,
 187                                        GTK_POLICY_AUTOMATIC);
 188
 189         clist = gtk_clist_new(1);
 190         gtk_container_add(GTK_CONTAINER(scrolledwin), clist);
 191         gtk_clist_set_column_width(GTK_CLIST(clist), 0, 80);
 192         gtk_clist_set_selection_mode(GTK_CLIST(clist), GTK_SELECTION_BROWSE);
 193         GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(clist)->column[0].button,
 194                                GTK_CAN_FOCUS);
 195         gtk_signal_connect(GTK_OBJECT(clist), "select_row",
 196                            GTK_SIGNAL_FUNC(clist_selected), NULL);
 197
 198         hbox = gtk_hbox_new(FALSE, 0);
 199         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 200
 201         status_label = gtk_label_new("");
 202         gtk_box_pack_start(GTK_BOX(hbox), status_label, FALSE, FALSE, 0);
 203
 204         gtkut_button_set_create(&confirm_area,
 205                                 &ok_button,      _("OK"),
 206                                 &cancel_button,  _("Cancel"),
 207                                 &refresh_button, _("Refresh"));
 208         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
 209                           confirm_area);
 210         gtk_widget_grab_default(ok_button);
 211
 212         gtk_signal_connect(GTK_OBJECT(ok_button), "clicked",
 213                            GTK_SIGNAL_FUNC(ok_clicked), NULL);
 214         gtk_signal_connect(GTK_OBJECT(cancel_button), "clicked",
 215                            GTK_SIGNAL_FUNC(cancel_clicked), NULL);
 216         gtk_signal_connect(GTK_OBJECT(refresh_button), "clicked",
 217                            GTK_SIGNAL_FUNC(refresh_clicked), NULL);
 218
 219         gtk_widget_show_all(GTK_DIALOG(dialog)->vbox);
 220 }
 221
 222 static void grouplist_dialog_set_list(gchar * pattern)
 223 {
 224         GSList *cur;
 225         gint row;
 226
 227         if (pattern == NULL)
 228                 pattern = "*";
 229
 230         if (locked) return;
 231         locked = TRUE;
 232
 233         grouplist_clear();
 234
 235         recv_set_ui_func(grouplist_recv_func, NULL);
 236         group_list = news_get_group_list(news_folder);
 237         recv_set_ui_func(NULL, NULL);
 238         if (group_list == NULL) {
 239                 alertpanel_error(_("Can't retrieve newsgroup list."));
 240                 locked = FALSE;
 241                 return;
 242         }
 243
 244         gtk_clist_freeze(GTK_CLIST(clist));
 245         for (cur = group_list; cur != NULL ; cur = cur->next) {
 246                 if (fnmatch(pattern, cur->data, 0) == 0) {
 247                         row = gtk_clist_append(GTK_CLIST(clist),
 248                                                (gchar **)&(cur->data));
 249                         gtk_clist_set_row_data(GTK_CLIST(clist), row,
 250                                                cur->data);
 251                 }
 252         }
 253         gtk_clist_thaw(GTK_CLIST(clist));
 254
 255         gtk_widget_grab_focus(ok_button);
 256         gtk_widget_grab_focus(clist);
 257
 258         gtk_label_set_text(GTK_LABEL(status_label), _("Done."));
 259
 260         locked = FALSE;
 261 }
 262
 263 static void grouplist_recv_func(SockInfo *sock, gint count, gint read_bytes,
 264                                 gpointer data)
 265 {
 266         gchar buf[BUFFSIZE];
 267
 268         g_snprintf(buf, sizeof(buf),
 269                    _("%d newsgroups received (%s read)"),
 270                    count, to_human_readable(read_bytes));
 271         gtk_label_set_text(GTK_LABEL(status_label), buf);
 272         GTK_EVENTS_FLUSH();
 273 }
 274
 275 static void ok_clicked(GtkWidget *widget, gpointer data)
 276 {
 277         ack = TRUE;
 278         if (gtk_main_level() > 1)
 279                 gtk_main_quit();
 280 }
 281
 282 static void cancel_clicked(GtkWidget *widget, gpointer data)
 283 {
 284         ack = FALSE;
 285         if (gtk_main_level() > 1)
 286                 gtk_main_quit();
 287 }
 288
 289 static void refresh_clicked(GtkWidget *widget, gpointer data)
 290 {
 291         gchar * str;
 292
 293         if (locked) return;
 294
 295         grouplist_clear();
 296         news_remove_group_list(news_folder);
 297
 298         str = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
 299         grouplist_dialog_set_list(str);
 300         g_free(str);
 301
 302         grouplist_dialog_set_list(str);
 303 }
 304
 305 static void key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 306 {
 307         if (event && event->keyval == GDK_Escape)
 308                 cancel_clicked(NULL, NULL);
 309 }
 310
 311 static void clist_selected(GtkCList *clist, gint row, gint column,
 312                            GdkEventButton *event, gpointer user_data)
 313 {
 314         gchar *group;
 315
 316         group = (gchar *)gtk_clist_get_row_data(GTK_CLIST(clist), row);
 317         gtk_entry_set_text(GTK_ENTRY(entry), group ? group : "");
 318 }
 319
 320 static gboolean match_string(gchar * str, gchar * expr)
 321 {
 322 }
 323
 324 static void entry_activated(GtkEditable *editable)
 325 {
 326         gchar * str;
 327         gboolean update_list;
 328
 329         str = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
 330
 331         update_list = FALSE;
 332
 333         if (strchr(str, '*') != NULL)
 334           update_list = TRUE;
 335
 336         if (update_list) {
 337                 grouplist_dialog_set_list(str);
 338                 g_free(str);
 339         }
 340         else {
 341                 g_free(str);
 342                 ok_clicked(NULL, NULL);
 343         }
 344 }