src/gtk/prefswindow.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto and the Sylpheed-Claws 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 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 <string.h>
  25 #include <gtk/gtk.h>
  26 #include <gtk/gtktext.h>
  27 #include <gdk/gdkkeysyms.h>
  28
  29 #include "intl.h"
  30 #include "utils.h"
  31 #include "prefswindow.h"
  32 #include "gtkutils.h"
  33
  34 enum {
  35         PREFS_PAGE_TITLE,               /* page title */
  36         PREFS_PAGE_DATA,                /* PrefsTreeNode data */
  37         PREFS_PAGE_DATA_AUTO_FREE,      /* auto free for PREFS_PAGE_DATA */
  38         PREFS_PAGE_WEIGHT,              /* weight */
  39         PREFS_PAGE_INDEX,               /* index in original page list */
  40         N_PREFS_PAGE_COLUMNS
  41 };
  42
  43 typedef struct _PrefsWindow PrefsWindow;
  44 typedef struct _PrefsTreeNode PrefsTreeNode;
  45
  46 struct _PrefsWindow
  47 {
  48         GtkWidget *window;
  49         GtkWidget *table1;
  50         GtkWidget *scrolledwindow1;
  51         GtkWidget *tree_view;
  52         GtkWidget *table2;
  53         GtkWidget *pagelabel;
  54         GtkWidget *labelframe;
  55         GtkWidget *frame;
  56         GtkWidget *notebook;
  57         GtkWidget *confirm_area;
  58         GtkWidget *ok_btn;
  59         GtkWidget *cancel_btn;
  60         GtkWidget *apply_btn;
  61
  62         GtkWidget *empty_page;
  63
  64         gpointer         data;
  65         GSList          *prefs_pages;
  66         GtkDestroyNotify func;
  67 };
  68
  69 struct _PrefsTreeNode
  70 {
  71         PrefsPage *page;
  72         gfloat     treeweight; /* GTK2: not used */
  73 };
  74
  75 static GType G_TYPE_AUTO_POINTER;
  76
  77 typedef struct AutoPointerRef {
  78         gpointer        pointer;
  79         glong           cnt;
  80 } AutoPointerRef;
  81
  82 typedef struct AutoPointer {
  83         AutoPointerRef *ref;
  84 } AutoPointer;
  85
  86 static gpointer g_auto_pointer_new                      (gpointer pointer);
  87 static gpointer g_auto_pointer_copy                     (gpointer p);
  88 static void g_auto_pointer_free                         (gpointer p);
  89
  90 static GtkTreeStore *prefswindow_create_data_store      (void);
  91 static GtkWidget *prefswindow_tree_view_create          (PrefsWindow* prefswindow);
  92 static void prefs_filtering_create_tree_view_columns    (GtkWidget *tree_view);
  93 static gboolean prefswindow_row_selected                (GtkTreeSelection *selector,
  94                                                          GtkTreeModel *model,
  95                                                          GtkTreePath *path,
  96                                                          gboolean currently_selected,
  97                                                          gpointer data);
  98
  99 static void save_all_pages(GSList *prefs_pages)
 100 {
 101         GSList *cur;
 102
 103         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
 104                 PrefsPage *page = (PrefsPage *) cur->data;
 105
 106                 if (page->page_open) {
 107                         page->save_page(page);
 108                 }
 109         }
 110 }
 111
 112 static void close_all_pages(GSList *prefs_pages)
 113 {
 114         GSList *cur;
 115
 116         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
 117                 PrefsPage *page = (PrefsPage *) cur->data;
 118
 119                 if (page->page_open) {
 120                         page->destroy_widget(page);
 121                         page->page_open = FALSE;
 122                 }
 123         }
 124 }
 125
 126 static void apply_button_released(GtkButton *button, gpointer user_data)
 127 {
 128         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 129
 130         save_all_pages(prefswindow->prefs_pages);
 131 }
 132
 133 static void close_prefs_window(PrefsWindow *prefswindow)
 134 {
 135         debug_print("prefs window closed\n");
 136
 137         close_all_pages(prefswindow->prefs_pages);
 138
 139         gtk_widget_destroy(prefswindow->window);
 140         g_slist_free(prefswindow->prefs_pages);
 141         if(prefswindow->func != NULL)
 142                 prefswindow->func(prefswindow->data);
 143         g_free(prefswindow);
 144 }
 145
 146 static void ok_button_released(GtkButton *button, gpointer user_data)
 147 {
 148         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 149
 150         save_all_pages(prefswindow->prefs_pages);
 151         close_prefs_window(prefswindow);
 152 }
 153
 154 static void cancel_button_released(GtkButton *button, gpointer user_data)
 155 {
 156         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 157
 158         close_prefs_window(prefswindow);
 159 }
 160
 161 static gboolean window_closed(GtkWidget *widget, GdkEvent *event, gpointer user_data)
 162 {
 163         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 164
 165         close_prefs_window(prefswindow);
 166         return FALSE;
 167 }
 168
 169 static gboolean prefswindow_key_pressed(GtkWidget *widget, GdkEventKey *event,
 170                                     PrefsWindow *data)
 171 {
 172         GtkWidget *focused_child;
 173
 174         if (event) {
 175                 switch (event->keyval) {
 176                         case GDK_Escape :
 177                                 cancel_button_released(NULL, data);
 178                                 break;
 179                         case GDK_Return :
 180                         case GDK_KP_Enter :
 181                                 focused_child = gtkut_get_focused_child
 182                                         (GTK_CONTAINER(data->notebook));
 183                                 /* Press ok, if the focused child is not a text view
 184                                  * and text (anything that accepts return) (can pass
 185                                  * NULL to any of the GTK_xxx() casts) */
 186                                 if (!GTK_IS_TEXT_VIEW(focused_child))
 187                                         ok_button_released(NULL, data);
 188                                 break;
 189                         default:
 190                                 break;
 191                 }
 192         }
 193         return FALSE;
 194 }
 195
 196 typedef struct FindNodeByName {
 197         const gchar *name;
 198         gboolean     found;
 199         GtkTreeIter  node;
 200 } FindNodeByName;
 201
 202 static gboolean find_node_by_name(GtkTreeModel *model, GtkTreePath *path,
 203                                   GtkTreeIter *iter, FindNodeByName *data)
 204 {
 205         gchar *name;
 206         gboolean result = FALSE;
 207
 208         gtk_tree_model_get(model, iter, PREFS_PAGE_TITLE, &name, -1);
 209         if (name) {
 210                 result = strcmp(name, data->name) == 0;
 211                 if (result) {
 212                         data->found = TRUE;
 213                         data->node  = *iter;
 214                 }
 215                 g_free(name);
 216         }
 217
 218         return result;
 219 }
 220
 221 static gint prefswindow_tree_sort_by_weight(GtkTreeModel *model,
 222                                             GtkTreeIter  *a,
 223                                             GtkTreeIter  *b,
 224                                             gpointer      context)
 225 {
 226         gfloat f1, f2;
 227         gint i1, i2;
 228
 229         /* From observation sorting should keep in account the original
 230          * order in the prefs_pages list. I.e. if equal weight, prefer
 231          * the index in the pages list */
 232         gtk_tree_model_get(model, a,
 233                            PREFS_PAGE_INDEX,  &i1,
 234                            PREFS_PAGE_WEIGHT, &f1, -1);
 235         gtk_tree_model_get(model, b,
 236                            PREFS_PAGE_INDEX,  &i2,
 237                            PREFS_PAGE_WEIGHT, &f2, -1);
 238
 239         return f1 < f2 ? -1 : (f1 > f2 ?  1 :
 240               (i1 < i2 ?  1 : (i1 > i2 ? -1 : 0)));
 241 }
 242
 243 static void prefswindow_build_tree(GtkWidget *tree_view, GSList *prefs_pages)
 244 {
 245         GtkTreeStore *store = GTK_TREE_STORE(gtk_tree_view_get_model
 246                         (GTK_TREE_VIEW(tree_view)));
 247         GSList *cur;
 248         gint index; /* index in pages list */
 249         GtkTreeSelection *selection;
 250         GtkTreeIter iter;
 251
 252         for (cur = prefs_pages, index = 0; cur != NULL; cur = g_slist_next(cur), index++) {
 253                 PrefsPage *page = (PrefsPage *)cur->data;
 254                 FindNodeByName find_name;
 255                 GtkTreeIter node, child;
 256                 PrefsTreeNode *prefs_node;
 257                 int i;
 258
 259                 /* each page tree component string */
 260                 for (i = 0; page->path[i] != NULL; i++) {
 261                         find_name.found = FALSE;
 262                         find_name.name  = page->path[i];
 263
 264                         /* find node to attach to
 265                          * FIXME: we search the entire tree, so this is suboptimal... */
 266                         gtk_tree_model_foreach(GTK_TREE_MODEL(store),
 267                                                (GtkTreeModelForeachFunc) find_node_by_name,
 268                                                &find_name);
 269                         if (find_name.found) {
 270                                 node = find_name.node;
 271                                 gtk_tree_model_get(GTK_TREE_MODEL(store), &node,
 272                                                    PREFS_PAGE_DATA, &prefs_node,
 273                                                    -1);
 274                         } else {
 275                                 gpointer autoptr;
 276
 277                                 /* create a new top level */
 278                                 gtk_tree_store_append(store, &child, i == 0 ? NULL : &node);
 279                                 prefs_node = g_new0(PrefsTreeNode, 1);
 280                                 autoptr = g_auto_pointer_new(prefs_node);
 281                                 gtk_tree_store_set(store, &child,
 282                                                    PREFS_PAGE_TITLE, page->path[i],
 283                                                    PREFS_PAGE_DATA,  prefs_node,
 284                                                    PREFS_PAGE_DATA_AUTO_FREE, autoptr,
 285                                                    PREFS_PAGE_INDEX, index,
 286                                                    PREFS_PAGE_WEIGHT, 0.0f,
 287                                                    -1);
 288                                 g_auto_pointer_free(autoptr);
 289                                 node = child;
 290                         }
 291                 }
 292
 293                 /* right now we have a node and its prefs_node */
 294                 prefs_node->page = page;
 295
 296                 /* parents "inherit" the max weight of the children */
 297                 do {
 298                         gfloat f;
 299
 300                         gtk_tree_model_get(GTK_TREE_MODEL(store), &node,
 301                                            PREFS_PAGE_WEIGHT, &f,
 302                                            -1);
 303                         if (page->weight > f) {
 304                                 f = page->weight;
 305                                 gtk_tree_store_set(store, &node,
 306                                                    PREFS_PAGE_WEIGHT, f,
 307                                                    -1);
 308                         }
 309                         child = node;
 310                 } while (gtk_tree_model_iter_parent(GTK_TREE_MODEL(store),
 311                                                     &node, &child));
 312         }
 313
 314         gtk_tree_view_expand_all(GTK_TREE_VIEW(tree_view));
 315
 316         /* set sort func & sort */
 317         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(store),
 318                                         PREFS_PAGE_WEIGHT,
 319                                         prefswindow_tree_sort_by_weight,
 320                                         NULL, NULL);
 321         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
 322                                              PREFS_PAGE_WEIGHT,
 323                                              GTK_SORT_DESCENDING);
 324
 325         /* select first one */
 326         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree_view));
 327         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter))
 328                 gtk_tree_selection_select_iter(selection, &iter);
 329 }
 330
 331 void prefswindow_open_full(const gchar *title, GSList *prefs_pages, gpointer data, GtkDestroyNotify func)
 332 {
 333         gint optsize;
 334         PrefsWindow *prefswindow;
 335         GtkTreeStore *store;
 336
 337         prefswindow = g_new0(PrefsWindow, 1);
 338
 339         prefswindow->data = data;
 340         prefswindow->func = func;
 341         prefswindow->prefs_pages = g_slist_copy(prefs_pages);
 342
 343         prefswindow->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 344         gtk_window_set_title(GTK_WINDOW(prefswindow->window), title);
 345         gtk_window_set_default_size(GTK_WINDOW(prefswindow->window), 600, 340);
 346         gtk_window_set_position (GTK_WINDOW(prefswindow->window), GTK_WIN_POS_CENTER);
 347         gtk_window_set_modal (GTK_WINDOW (prefswindow->window), TRUE);
 348         gtk_window_set_resizable (GTK_WINDOW(prefswindow->window), TRUE);
 349         gtk_container_set_border_width(GTK_CONTAINER(prefswindow->window), 4);
 350
 351         prefswindow->table1 = gtk_table_new(2, 2, FALSE);
 352         gtk_widget_show(prefswindow->table1);
 353         gtk_container_add(GTK_CONTAINER(prefswindow->window), prefswindow->table1);
 354
 355         prefswindow->scrolledwindow1 = gtk_scrolled_window_new(NULL, NULL);
 356         gtk_widget_show(prefswindow->scrolledwindow1);
 357         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow1), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 358         gtk_table_attach(GTK_TABLE(prefswindow->table1), prefswindow->scrolledwindow1, 0, 1, 0, 1, GTK_FILL, GTK_FILL | GTK_EXPAND, 2, 2);
 359
 360         prefswindow->tree_view = prefswindow_tree_view_create(prefswindow);
 361         gtk_widget_show(prefswindow->tree_view);
 362         gtk_container_add(GTK_CONTAINER(prefswindow->scrolledwindow1),
 363                           prefswindow->tree_view);
 364
 365         prefswindow->frame = gtk_frame_new(NULL);
 366         gtk_widget_show(prefswindow->frame);
 367         gtk_frame_set_shadow_type(GTK_FRAME(prefswindow->frame), GTK_SHADOW_IN);
 368         gtk_table_attach(GTK_TABLE(prefswindow->table1), prefswindow->frame, 1, 2, 0, 1, GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 2, 2);
 369
 370         prefswindow->table2 = gtk_table_new(1, 2, FALSE);
 371         gtk_widget_show(prefswindow->table2);
 372         gtk_container_add(GTK_CONTAINER(prefswindow->frame), prefswindow->table2);
 373
 374         prefswindow->labelframe = gtk_frame_new(NULL);
 375         gtk_widget_show(prefswindow->labelframe);
 376         gtk_frame_set_shadow_type(GTK_FRAME(prefswindow->labelframe), GTK_SHADOW_OUT);
 377         gtk_table_attach(GTK_TABLE(prefswindow->table2), prefswindow->labelframe, 0, 1, 0, 1, GTK_FILL | GTK_EXPAND, GTK_FILL, 1, 1);
 378
 379         prefswindow->pagelabel = gtk_label_new("");
 380         gtk_widget_show(prefswindow->pagelabel);
 381         gtk_label_set_justify(GTK_LABEL(prefswindow->pagelabel), GTK_JUSTIFY_LEFT);
 382         gtk_misc_set_alignment(GTK_MISC(prefswindow->pagelabel), 0, 0.0);
 383         gtk_container_add(GTK_CONTAINER(prefswindow->labelframe), prefswindow->pagelabel);
 384
 385         prefswindow->notebook = gtk_notebook_new();
 386         gtk_widget_show(prefswindow->notebook);
 387         gtk_notebook_set_scrollable(GTK_NOTEBOOK(prefswindow->notebook), TRUE);
 388         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(prefswindow->notebook), FALSE);
 389         gtk_notebook_set_show_border(GTK_NOTEBOOK(prefswindow->notebook), FALSE);
 390         gtk_table_attach(GTK_TABLE(prefswindow->table2), prefswindow->notebook, 0, 1, 1, 2, GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 8, 8);
 391
 392         prefswindow->empty_page = gtk_label_new("");
 393         gtk_widget_show(prefswindow->empty_page);
 394         gtk_container_add(GTK_CONTAINER(prefswindow->notebook), prefswindow->empty_page);
 395
 396         prefswindow_build_tree(prefswindow->tree_view, prefs_pages);
 397
 398         gtk_widget_grab_focus(prefswindow->tree_view);
 399
 400         gtkut_button_set_create_stock(&prefswindow->confirm_area,
 401                                       &prefswindow->ok_btn,     GTK_STOCK_OK,
 402                                       &prefswindow->cancel_btn, GTK_STOCK_CANCEL,
 403                                       &prefswindow->apply_btn,  GTK_STOCK_APPLY);
 404
 405         gtk_widget_show_all(prefswindow->confirm_area);
 406
 407         gtk_table_attach(GTK_TABLE(prefswindow->table1), prefswindow->confirm_area, 0, 2, 1, 2, GTK_FILL | GTK_EXPAND, GTK_FILL, 2, 2);
 408
 409         g_signal_connect(G_OBJECT(prefswindow->ok_btn), "released",
 410                          G_CALLBACK(ok_button_released), prefswindow);
 411         g_signal_connect(G_OBJECT(prefswindow->cancel_btn), "released",
 412                          G_CALLBACK(cancel_button_released), prefswindow);
 413         g_signal_connect(G_OBJECT(prefswindow->apply_btn), "released",
 414                          G_CALLBACK(apply_button_released), prefswindow);
 415         g_signal_connect(G_OBJECT(prefswindow->window), "delete_event",
 416                          G_CALLBACK(window_closed), prefswindow);
 417         g_signal_connect(G_OBJECT(prefswindow->window), "key_press_event",
 418                            G_CALLBACK(prefswindow_key_pressed), &(prefswindow->window));
 419
 420         gtk_widget_show(prefswindow->window);
 421 }
 422
 423 void prefswindow_open(const gchar *title, GSList *prefs_pages, gpointer data)
 424 {
 425         prefswindow_open_full(title, prefs_pages, data, NULL);
 426 }
 427
 428 /* NOTE: auto pointer could be made more generic, but this works
 429  * fine for now. */
 430
 431 static gpointer g_auto_pointer_new(gpointer p)
 432 {
 433         AutoPointerRef *ref = g_new0(AutoPointerRef, 1);
 434         AutoPointer    *ptr = g_new0(AutoPointer, 1);
 435
 436         ref->pointer = p;
 437         ref->cnt = 1;
 438
 439         ptr->ref = ref;
 440
 441         return ptr;
 442 }
 443
 444 static gpointer g_auto_pointer_copy(gpointer p)
 445 {
 446         AutoPointer     *ptr = p;
 447         AutoPointerRef  *ref = ptr->ref;
 448         AutoPointer     *newp = g_new0(AutoPointer, 1);
 449         newp->ref = ref;
 450
 451         ++(ref->cnt);
 452         return newp;
 453 }
 454
 455 static void g_auto_pointer_free(gpointer p)
 456 {
 457         AutoPointer     *ptr = p;
 458         AutoPointerRef  *ref = ptr->ref;
 459
 460         if (--(ref->cnt) == 0) {
 461                 g_free(ref->pointer);
 462                 g_free(ref);
 463         }
 464         g_free(ptr);
 465 }
 466
 467 static void prefswindow_static_init(void)
 468 {
 469         if (!G_TYPE_AUTO_POINTER)
 470                 G_TYPE_AUTO_POINTER =
 471                         g_boxed_type_register_static("G_TYPE_AUTO_POINTER",
 472                                                      g_auto_pointer_copy,
 473                                                      g_auto_pointer_free);
 474 }
 475
 476 static GtkTreeStore *prefswindow_create_data_store(void)
 477 {
 478         /* should always be called before using auto pointer type */
 479         prefswindow_static_init();
 480
 481         return gtk_tree_store_new(N_PREFS_PAGE_COLUMNS,
 482                                   G_TYPE_STRING,
 483                                   G_TYPE_POINTER,
 484                                   G_TYPE_AUTO_POINTER,
 485                                   G_TYPE_FLOAT,
 486                                   G_TYPE_INT,
 487                                   -1);
 488 }
 489
 490 static GtkWidget *prefswindow_tree_view_create(PrefsWindow *prefswindow)
 491 {
 492         GtkTreeView *tree_view;
 493         GtkTreeSelection *selector;
 494         GtkTreeModel *model;
 495
 496         model = GTK_TREE_MODEL(prefswindow_create_data_store());
 497         tree_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 498         g_object_unref(model);
 499         gtk_tree_view_set_rules_hint(tree_view, TRUE);
 500
 501         selector = gtk_tree_view_get_selection(tree_view);
 502         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 503         gtk_tree_selection_set_select_function(selector, prefswindow_row_selected,
 504                                                prefswindow, NULL);
 505
 506         /* create the columns */
 507         prefs_filtering_create_tree_view_columns(GTK_WIDGET(tree_view));
 508
 509         return GTK_WIDGET(tree_view);
 510 }
 511
 512 static void prefs_filtering_create_tree_view_columns(GtkWidget *tree_view)
 513 {
 514         GtkTreeViewColumn *column;
 515         GtkCellRenderer *renderer;
 516
 517         renderer = gtk_cell_renderer_text_new();
 518         column = gtk_tree_view_column_new_with_attributes
 519                 (_("Page Index"),
 520                  renderer,
 521                  "text", PREFS_PAGE_TITLE,
 522                  NULL);
 523         gtk_tree_view_append_column(GTK_TREE_VIEW(tree_view), column);
 524 }
 525
 526 static gboolean prefswindow_row_selected(GtkTreeSelection *selector,
 527                                          GtkTreeModel *model,
 528                                          GtkTreePath *path,
 529                                          gboolean currently_selected,
 530                                          gpointer data)
 531 {
 532         PrefsTreeNode *prefsnode;
 533         PrefsPage *page;
 534         PrefsWindow *prefswindow = (PrefsWindow *) data;
 535         gchar *labeltext;
 536         gint pagenum, i;
 537         GtkTreeIter iter;
 538
 539         if (currently_selected)
 540                 return TRUE;
 541
 542         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
 543                 return TRUE;
 544
 545         gtk_tree_model_get(model, &iter, PREFS_PAGE_DATA, &prefsnode, -1);
 546         page = prefsnode->page;
 547
 548         debug_print("%f\n", prefsnode->treeweight);
 549
 550         if (page == NULL) {
 551                 gtk_label_set_text(GTK_LABEL(prefswindow->pagelabel), "");
 552                 pagenum = gtk_notebook_page_num(GTK_NOTEBOOK(prefswindow->notebook),
 553                                                 prefswindow->empty_page);
 554                 gtk_notebook_set_page(GTK_NOTEBOOK(prefswindow->notebook), pagenum);
 555                 return TRUE;
 556         }
 557
 558         if (!page->page_open) {
 559                 page->create_widget(page, GTK_WINDOW(prefswindow->window), prefswindow->data);
 560                 gtk_container_add(GTK_CONTAINER(prefswindow->notebook), page->widget);
 561                 page->page_open = TRUE;
 562         }
 563
 564         i = 0;
 565         while (page->path[i + 1] != 0)
 566                 i++;
 567         labeltext = page->path[i];
 568
 569         gtk_label_set_text(GTK_LABEL(prefswindow->pagelabel), labeltext);
 570
 571         pagenum = gtk_notebook_page_num(GTK_NOTEBOOK(prefswindow->notebook),
 572                                         page->widget);
 573         gtk_notebook_set_page(GTK_NOTEBOOK(prefswindow->notebook), pagenum);
 574
 575         return TRUE;
 576 }
 577