src/foldersel.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkmain.h>
  26 #include <gtk/gtkwidget.h>
  27 #include <gtk/gtktreestore.h>
  28 #include <gtk/gtktreeview.h>
  29 #include <gtk/gtkwindow.h>
  30 #include <gtk/gtkvbox.h>
  31 #include <gtk/gtkscrolledwindow.h>
  32 #include <gtk/gtkentry.h>
  33 #include <gtk/gtkhbbox.h>
  34 #include <gtk/gtksignal.h>
  35 #include <stdio.h>
  36 #include <unistd.h>
  37 #include <string.h>
  38 #include <sys/stat.h>
  39 #include <sys/types.h>
  40 #include <fcntl.h>
  41 #include <errno.h>
  42
  43 #include "main.h"
  44 #include "utils.h"
  45 #include "gtkutils.h"
  46 #include "stock_pixmap.h"
  47 #include "foldersel.h"
  48 #include "alertpanel.h"
  49 #include "manage_window.h"
  50 #include "folderview.h"
  51 #include "inputdialog.h"
  52 #include "folder.h"
  53 #include "prefs_common.h"
  54
  55 enum {
  56         FOLDERSEL_FOLDERNAME,
  57         FOLDERSEL_FOLDERITEM,
  58         FOLDERSEL_PIXBUF,
  59         FOLDERSEL_PIXBUF_OPEN,
  60         FOLDERSEL_FOREGROUND,
  61         FOLDERSEL_BOLD,
  62         N_FOLDERSEL_COLUMNS
  63 };
  64
  65 typedef struct _FolderItemSearch        FolderItemSearch;
  66
  67 struct _FolderItemSearch
  68 {
  69         FolderItem *item;
  70         GtkTreePath *path;
  71         GtkTreeIter iter;
  72 };
  73
  74 static GdkPixbuf *folder_pixbuf;
  75 static GdkPixbuf *folderopen_pixbuf;
  76 static GdkPixbuf *foldernoselect_pixbuf;
  77
  78 static GtkWidget *window;
  79 static GtkWidget *treeview;
  80 static GtkWidget *entry;
  81 static GtkWidget *ok_button;
  82 static GtkWidget *cancel_button;
  83 static GtkWidget *new_button;
  84
  85 static FolderItem *folder_item;
  86 static FolderItem *selected_item;
  87
  88 static GtkTreeStore *tree_store;
  89
  90 static gboolean cancelled;
  91 static gboolean finished;
  92
  93 static void foldersel_create            (void);
  94 static void foldersel_init              (void);
  95
  96 static void foldersel_append_item       (GtkTreeStore   *store,
  97                                          FolderItem     *item,
  98                                          GtkTreeIter    *iter,
  99                                          GtkTreeIter    *parent);
 100
 101 static void foldersel_set_tree          (Folder                 *cur_folder,
 102                                          FolderSelectionType     type);
 103
 104 static gboolean foldersel_selected      (GtkTreeSelection *selection,
 105                                          GtkTreeModel     *model,
 106                                          GtkTreePath      *path,
 107                                          gboolean          currently_selected,
 108                                          gpointer          data);
 109
 110 static void foldersel_ok                (GtkButton      *button,
 111                                          gpointer        data);
 112 static void foldersel_cancel            (GtkButton      *button,
 113                                          gpointer        data);
 114 static void foldersel_new_folder        (GtkButton      *button,
 115                                          gpointer        data);
 116
 117 static void foldersel_entry_activated   (GtkEntry       *entry,
 118                                          gpointer        data);
 119
 120 static void foldersel_tree_activated    (GtkTreeView            *treeview,
 121                                          GtkTreePath            *path,
 122                                          GtkTreeViewColumn      *column,
 123                                          gpointer                data);
 124
 125 static gint delete_event                (GtkWidget      *widget,
 126                                          GdkEventAny    *event,
 127                                          gpointer        data);
 128 static gboolean key_pressed             (GtkWidget      *widget,
 129                                          GdkEventKey    *event,
 130                                          gpointer        data);
 131
 132 static gint foldersel_folder_name_compare       (GtkTreeModel   *model,
 133                                                  GtkTreeIter    *a,
 134                                                  GtkTreeIter    *b,
 135                                                  gpointer        context);
 136
 137 static gboolean tree_view_folder_item_func      (GtkTreeModel     *model,
 138                                                  GtkTreePath      *path,
 139                                                  GtkTreeIter      *iter,
 140                                                  FolderItemSearch *data);
 141
 142 FolderItem *foldersel_folder_sel(Folder *cur_folder, FolderSelectionType type,
 143                                  const gchar *default_folder)
 144 {
 145         selected_item = NULL;
 146
 147         if (!window) {
 148                 foldersel_create();
 149                 foldersel_init();
 150         }
 151
 152         foldersel_set_tree(cur_folder, type);
 153
 154         /* select current */
 155         if (folder_item) {
 156                 FolderItemSearch fis;
 157
 158                 fis.item = folder_item;
 159                 fis.path = NULL;
 160
 161                 /* find matching model entry */
 162                 gtk_tree_model_foreach
 163                         (GTK_TREE_MODEL(tree_store),
 164                          (GtkTreeModelForeachFunc)tree_view_folder_item_func,
 165                          &fis);
 166
 167                 if (fis.path) {
 168                         GtkTreeSelection *selection;
 169
 170                         selection = gtk_tree_view_get_selection
 171                                 (GTK_TREE_VIEW(treeview));
 172                         gtk_tree_selection_select_iter(selection, &fis.iter);
 173                         gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview),
 174                                                  fis.path, NULL, FALSE);
 175                         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview),
 176                                                      fis.path,
 177                                                      NULL, TRUE, 0.5, 0.0);
 178                         gtk_tree_path_free(fis.path);
 179                 } else
 180                         gtk_tree_view_scroll_to_point
 181                                 (GTK_TREE_VIEW(treeview), 0, 0);
 182         } else
 183                 gtk_tree_view_scroll_to_point(GTK_TREE_VIEW(treeview), 0, 0);
 184
 185         gtk_widget_grab_focus(ok_button);
 186         gtk_widget_grab_focus(treeview);
 187
 188         gtk_widget_show(window);
 189         manage_window_set_transient(GTK_WINDOW(window));
 190
 191         cancelled = finished = FALSE;
 192
 193         while (finished == FALSE)
 194                 gtk_main_iteration();
 195
 196         gtk_widget_hide(window);
 197         gtk_entry_set_text(GTK_ENTRY(entry), "");
 198         gtk_tree_store_clear(tree_store);
 199
 200         if (!cancelled &&
 201             selected_item && selected_item->path && !selected_item->no_select) {
 202                 folder_item = selected_item;
 203                 return folder_item;
 204         } else
 205                 return NULL;
 206 }
 207
 208 static void foldersel_create(void)
 209 {
 210         GtkWidget *vbox;
 211         GtkWidget *scrolledwin;
 212         GtkWidget *confirm_area;
 213         GtkTreeViewColumn *column;
 214         GtkCellRenderer *renderer;
 215         GtkTreeSelection *selection;
 216
 217         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 218         gtk_window_set_title(GTK_WINDOW(window), _("Select folder"));
 219         gtk_container_set_border_width(GTK_CONTAINER(window), 4);
 220         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 221         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 222         gtk_window_set_policy(GTK_WINDOW(window), FALSE, TRUE, FALSE);
 223         gtk_window_set_wmclass
 224                 (GTK_WINDOW(window), "folder_selection", "Sylpheed-Claws");
 225         gtk_widget_realize(window);
 226         g_signal_connect(G_OBJECT(window), "delete_event",
 227                          G_CALLBACK(delete_event), NULL);
 228         g_signal_connect(G_OBJECT(window), "key_press_event",
 229                          G_CALLBACK(key_pressed), NULL);
 230         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 231
 232         vbox = gtk_vbox_new(FALSE, 4);
 233         gtk_container_add(GTK_CONTAINER(window), vbox);
 234
 235         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 236         gtk_widget_set_size_request(scrolledwin, 300, 360);
 237         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 238                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
 239         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 240                                             GTK_SHADOW_IN);
 241         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 242
 243         tree_store = gtk_tree_store_new(N_FOLDERSEL_COLUMNS,
 244                                         G_TYPE_STRING,
 245                                         G_TYPE_POINTER,
 246                                         GDK_TYPE_PIXBUF,
 247                                         GDK_TYPE_PIXBUF,
 248                                         GDK_TYPE_COLOR,
 249                                         G_TYPE_BOOLEAN);
 250         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(tree_store),
 251                                         FOLDERSEL_FOLDERNAME,
 252                                         foldersel_folder_name_compare,
 253                                         NULL, NULL);
 254
 255         treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
 256         g_object_unref(G_OBJECT(tree_store));
 257         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
 258         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(treeview),
 259                                      prefs_common.enable_rules_hint);
 260         gtk_tree_view_set_search_column(GTK_TREE_VIEW(treeview),
 261                                         FOLDERSEL_FOLDERNAME);
 262
 263         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 264         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 265         gtk_tree_selection_set_select_function(selection, foldersel_selected,
 266                                                NULL, NULL);
 267
 268         g_signal_connect(G_OBJECT(treeview), "row-activated",
 269                          G_CALLBACK(foldersel_tree_activated), NULL);
 270
 271         gtk_container_add(GTK_CONTAINER(scrolledwin), treeview);
 272
 273         column = gtk_tree_view_column_new();
 274         gtk_tree_view_column_set_spacing(column, 2);
 275         renderer = gtk_cell_renderer_pixbuf_new();
 276         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 277         gtk_tree_view_column_set_attributes
 278                 (column, renderer,
 279                  "pixbuf", FOLDERSEL_PIXBUF,
 280                  "pixbuf-expander-open", FOLDERSEL_PIXBUF_OPEN,
 281                  "pixbuf-expander-closed", FOLDERSEL_PIXBUF,
 282                  NULL);
 283
 284         /* create text renderer */
 285         renderer = gtk_cell_renderer_text_new();
 286         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 287         gtk_tree_view_column_set_attributes
 288                 (column, renderer,
 289                  "text", FOLDERSEL_FOLDERNAME,
 290                  "foreground-gdk", FOLDERSEL_FOREGROUND,
 291                  "weight-set", FOLDERSEL_BOLD,
 292                  NULL);
 293         g_object_set(G_OBJECT(renderer), "weight", PANGO_WEIGHT_BOLD, NULL);
 294         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 295
 296         gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);
 297
 298         entry = gtk_entry_new();
 299         gtk_entry_set_editable(GTK_ENTRY(entry), FALSE);
 300         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
 301         g_signal_connect(G_OBJECT(entry), "activate",
 302                          G_CALLBACK(foldersel_entry_activated), NULL);
 303
 304         gtkut_stock_button_set_create(&confirm_area,
 305                                       &ok_button,     GTK_STOCK_OK,
 306                                       &cancel_button, GTK_STOCK_CANCEL,
 307                                       &new_button,    GTK_STOCK_NEW);
 308
 309         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 310         gtk_widget_grab_default(ok_button);
 311
 312         g_signal_connect(G_OBJECT(ok_button), "clicked",
 313                          G_CALLBACK(foldersel_ok), NULL);
 314         g_signal_connect(G_OBJECT(cancel_button), "clicked",
 315                          G_CALLBACK(foldersel_cancel), NULL);
 316         g_signal_connect(G_OBJECT(new_button), "clicked",
 317                          G_CALLBACK(foldersel_new_folder), NULL);
 318
 319         gtk_widget_show_all(vbox);
 320 }
 321
 322 static void foldersel_init(void)
 323 {
 324         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_CLOSE,
 325                          &folder_pixbuf);
 326         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_OPEN,
 327                          &folderopen_pixbuf);
 328         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_NOSELECT,
 329                          &foldernoselect_pixbuf);
 330 }
 331
 332 static void foldersel_append_item(GtkTreeStore *store, FolderItem *item,
 333                                   GtkTreeIter *iter, GtkTreeIter *parent)
 334 {
 335         gchar *name, *tmpname;
 336         GdkPixbuf *pixbuf, *pixbuf_open;
 337         gboolean use_bold, use_color;
 338         GdkColor *foreground = NULL;
 339         static GdkColor color_noselect = {0, COLOR_DIM, COLOR_DIM, COLOR_DIM};
 340         static GdkColor color_new;
 341
 342         gtkut_convert_int_to_gdk_color(prefs_common.color_new, &color_new);
 343
 344         name = tmpname = folder_item_get_name(item);
 345
 346         if (item->stype != F_NORMAL && FOLDER_IS_LOCAL(item->folder)) {
 347                 switch (item->stype) {
 348                 case F_INBOX:
 349                         if (!strcmp2(item->name, INBOX_DIR))
 350                                 name = _("Inbox");
 351                         break;
 352                 case F_OUTBOX:
 353                         if (!strcmp2(item->name, OUTBOX_DIR))
 354                                 name = _("Sent");
 355                         break;
 356                 case F_QUEUE:
 357                         if (!strcmp2(item->name, QUEUE_DIR))
 358                                 name = _("Queue");
 359                         break;
 360                 case F_TRASH:
 361                         if (!strcmp2(item->name, TRASH_DIR))
 362                                 name = _("Trash");
 363                         break;
 364                 case F_DRAFT:
 365                         if (!strcmp2(item->name, DRAFT_DIR))
 366                                 name = _("Drafts");
 367                         break;
 368                 default:
 369                         break;
 370                 }
 371         }
 372
 373         /* CLAWS: already adds the UI string to the folder name */
 374 #ifndef CLAWS
 375         if (!item->parent) {
 376                 switch (FOLDER_TYPE(item->folder)) {
 377                 case F_MH:
 378                         Xstrcat_a(name, name, " (MH)", ); break;
 379                 case F_IMAP:
 380                         Xstrcat_a(name, name, " (IMAP4)", ); break;
 381                 case F_NEWS:
 382                         Xstrcat_a(name, name, " (News)", ); break;
 383                 default:
 384                         break;
 385                 }
 386         }
 387 #endif
 388
 389         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0) {
 390                 name = g_strdup_printf("%s (%d)", name, item->total_msgs);
 391         } else if (item->unread_msgs > 0) {
 392                 name = g_strdup_printf("%s (%d)", name, item->unread_msgs);
 393         } else
 394                 name = g_strdup(name);
 395
 396         pixbuf = item->no_select ? foldernoselect_pixbuf : folder_pixbuf;
 397         pixbuf_open =
 398                 item->no_select ? foldernoselect_pixbuf : folderopen_pixbuf;
 399
 400         if (folder_has_parent_of_type(item, F_DRAFT) ||
 401             folder_has_parent_of_type(item, F_OUTBOX) ||
 402             folder_has_parent_of_type(item, F_TRASH)) {
 403                 use_bold = use_color = FALSE;
 404         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
 405                 use_bold = use_color = (item->total_msgs > 0);
 406         } else {
 407                 use_bold = (item->unread_msgs > 0);
 408                 use_color = (item->new_msgs > 0);
 409         }
 410
 411         if (item->no_select)
 412                 foreground = &color_noselect;
 413         else if (use_color)
 414                 foreground = &color_new;
 415
 416         /* insert this node */
 417         gtk_tree_store_append(store, iter, parent);
 418         gtk_tree_store_set(store, iter,
 419                            FOLDERSEL_FOLDERNAME, name,
 420                            FOLDERSEL_FOLDERITEM, item,
 421                            FOLDERSEL_PIXBUF, pixbuf,
 422                            FOLDERSEL_PIXBUF_OPEN, pixbuf_open,
 423                            FOLDERSEL_FOREGROUND, foreground,
 424                            FOLDERSEL_BOLD, use_bold,
 425                            -1);
 426
 427         g_free(tmpname);
 428 }
 429
 430 static void foldersel_insert_gnode_in_store(GtkTreeStore *store, GNode *node,
 431                                             GtkTreeIter *parent)
 432 {
 433         FolderItem *item;
 434         GtkTreeIter child;
 435         GNode *iter;
 436
 437         g_return_if_fail(node != NULL);
 438         g_return_if_fail(node->data != NULL);
 439         g_return_if_fail(store != NULL);
 440
 441         item = FOLDER_ITEM(node->data);
 442         foldersel_append_item(store, item, &child, parent);
 443
 444         /* insert its children (this node as parent) */
 445         for (iter = node->children; iter != NULL; iter = iter->next)
 446                 foldersel_insert_gnode_in_store(store, iter, &child);
 447 }
 448
 449 static void foldersel_set_tree(Folder *cur_folder, FolderSelectionType type)
 450 {
 451         Folder *folder;
 452         GList *list;
 453
 454         for (list = folder_get_list(); list != NULL; list = list->next) {
 455                 folder = FOLDER(list->data);
 456                 g_return_if_fail(folder != NULL);
 457
 458                 if (type != FOLDER_SEL_ALL) {
 459                         if (FOLDER_TYPE(folder) == F_NEWS)
 460                                 continue;
 461                 }
 462
 463                 foldersel_insert_gnode_in_store(tree_store, folder->node, NULL);
 464         }
 465
 466         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(tree_store),
 467                                              FOLDERSEL_FOLDERNAME,
 468                                              GTK_SORT_ASCENDING);
 469
 470         gtk_tree_view_expand_all(GTK_TREE_VIEW(treeview));
 471 }
 472
 473 static gboolean foldersel_selected(GtkTreeSelection *selection,
 474                                    GtkTreeModel *model, GtkTreePath *path,
 475                                    gboolean currently_selected, gpointer data)
 476 {
 477         GtkTreeIter iter;
 478         FolderItem *item = NULL;
 479
 480         if (currently_selected)
 481                 return TRUE;
 482
 483         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
 484                 return TRUE;
 485
 486         gtk_tree_model_get(GTK_TREE_MODEL(tree_store), &iter,
 487                            FOLDERSEL_FOLDERITEM, &item, -1);
 488
 489         selected_item = item;
 490         if (selected_item && selected_item->path && !selected_item->no_select) {
 491                 gchar *id;
 492                 id = folder_item_get_identifier(selected_item);
 493                 gtk_entry_set_text(GTK_ENTRY(entry), id);
 494                 g_free(id);
 495         } else
 496                 gtk_entry_set_text(GTK_ENTRY(entry), "");
 497
 498         return TRUE;
 499 }
 500
 501 static void foldersel_ok(GtkButton *button, gpointer data)
 502 {
 503         finished = TRUE;
 504 }
 505
 506 static void foldersel_cancel(GtkButton *button, gpointer data)
 507 {
 508         cancelled = TRUE;
 509         finished = TRUE;
 510 }
 511
 512 static void foldersel_new_folder(GtkButton *button, gpointer data)
 513 {
 514         FolderItem *new_item;
 515         gchar *new_folder;
 516         gchar *disp_name;
 517         gchar *p;
 518         GtkTreeIter selected, new_child;
 519         GtkTreePath *selected_p, *new_child_p;
 520         GtkTreeStore *store;
 521         GtkTreeModel *model;
 522         GtkTreeSelection *selection;
 523
 524         if (!selected_item || FOLDER_TYPE(selected_item->folder) == F_NEWS)
 525                 return;
 526
 527         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 528         if (!gtk_tree_selection_get_selected(selection, &model, &selected))
 529                 return;
 530         store = GTK_TREE_STORE(model);
 531
 532         new_folder = input_dialog(_("New folder"),
 533                                   _("Input the name of new folder:"),
 534                                   _("NewFolder"));
 535         if (!new_folder) return;
 536         AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
 537
 538         p = strchr(new_folder, G_DIR_SEPARATOR);
 539         if ((p && FOLDER_TYPE(selected_item->folder) != F_IMAP) ||
 540             (p && FOLDER_TYPE(selected_item->folder) == F_IMAP &&
 541              *(p + 1) != '\0')) {
 542                 alertpanel_error(_("'%c' can't be included in folder name."),
 543                                 G_DIR_SEPARATOR);
 544                 return;
 545         }
 546
 547         disp_name = trim_string(new_folder, 32);
 548         AUTORELEASE_STR(disp_name, {g_free(disp_name); return;});
 549
 550         /* find whether the directory already exists */
 551         if (folder_find_child_item_by_name(selected_item, new_folder)) {
 552                 alertpanel_error(_("The folder '%s' already exists."),
 553                                  disp_name);
 554                 return;
 555         }
 556
 557         new_item = folder_create_folder(selected_item, new_folder);
 558         if (!new_item) {
 559                 alertpanel_error(_("Can't create the folder '%s'."), disp_name);
 560                 return;
 561         }
 562
 563         /* add new child */
 564         foldersel_append_item(store, new_item, &new_child, &selected);
 565
 566         selected_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &selected);
 567         new_child_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store),
 568                                               &new_child);
 569
 570         gtk_tree_view_expand_row(GTK_TREE_VIEW(treeview), selected_p, FALSE);
 571         gtk_tree_selection_select_iter(selection, &new_child);
 572         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview), new_child_p,
 573                                      NULL, TRUE, 0.5, 0.0);
 574         gtk_tree_path_free(new_child_p);
 575         gtk_tree_path_free(selected_p);
 576
 577         folder_write_list();
 578 }
 579
 580 static void foldersel_entry_activated(GtkEntry *entry, gpointer data)
 581 {
 582         gtk_button_clicked(GTK_BUTTON(ok_button));
 583 }
 584
 585 static void foldersel_tree_activated(GtkTreeView *treeview, GtkTreePath *path,
 586                                      GtkTreeViewColumn *column, gpointer data)
 587 {
 588         gtk_button_clicked(GTK_BUTTON(ok_button));
 589 }
 590
 591 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
 592 {
 593         foldersel_cancel(NULL, NULL);
 594         return TRUE;
 595 }
 596
 597 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 598 {
 599         if (event && event->keyval == GDK_Escape)
 600                 foldersel_cancel(NULL, NULL);
 601         return FALSE;
 602 }
 603
 604 static gint foldersel_folder_name_compare(GtkTreeModel *model, GtkTreeIter *a,
 605                                           GtkTreeIter *b, gpointer context)
 606 {
 607         gchar *str_a = NULL, *str_b = NULL;
 608         gint val = 0;
 609         FolderItem *item_a = NULL, *item_b = NULL;
 610         GtkTreeIter parent;
 611
 612         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERITEM, &item_a, -1);
 613         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERITEM, &item_b, -1);
 614
 615         /* no sort for root folder */
 616         if (!gtk_tree_model_iter_parent(GTK_TREE_MODEL(model), &parent, a))
 617                 return 0;
 618
 619         /* if both a and b are special folders, sort them according to
 620          * their types (which is in-order). Note that this assumes that
 621          * there are no multiple folders of a special type. */
 622         if (item_a->stype != F_NORMAL && item_b->stype != F_NORMAL)
 623                 return item_a->stype - item_b->stype;
 624
 625         /* if b is normal folder, and a is not, b is smaller (ends up
 626          * lower in the list) */
 627         if (item_a->stype != F_NORMAL && item_b->stype == F_NORMAL)
 628                 return item_b->stype - item_a->stype;
 629
 630         /* if b is special folder, and a is not, b is larger (ends up
 631          * higher in the list) */
 632         if (item_a->stype == F_NORMAL && item_b->stype != F_NORMAL)
 633                 return item_b->stype - item_a->stype;
 634
 635         /* XXX g_utf8_collate_key() comparisons may speed things
 636          * up when having large lists of folders */
 637         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERNAME, &str_a, -1);
 638         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERNAME, &str_b, -1);
 639
 640         /* otherwise just compare the folder names */
 641         val = g_utf8_collate(str_a, str_b);
 642
 643         g_free(str_a);
 644         g_free(str_b);
 645
 646         return val;
 647 }
 648
 649 static gboolean tree_view_folder_item_func(GtkTreeModel *model,
 650                                            GtkTreePath *path,
 651                                            GtkTreeIter *iter,
 652                                            FolderItemSearch *data)
 653 {
 654         FolderItem *item = NULL;
 655
 656         gtk_tree_model_get(model, iter, FOLDERSEL_FOLDERITEM, &item, -1);
 657
 658         if (data->item == item) {
 659                 data->path = gtk_tree_path_copy(path);
 660                 data->iter = *iter;
 661                 return TRUE;
 662         }
 663
 664         return FALSE;
 665 }