src/gtk/prefswindow.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include <glib.h>
  25 #include <glib/gi18n.h>
  26 #include <string.h>
  27 #include <gtk/gtk.h>
  28 #include <gtk/gtktext.h>
  29 #include <gdk/gdkkeysyms.h>
  30
  31 #include "utils.h"
  32 #include "prefswindow.h"
  33 #include "gtkutils.h"
  34 #include "prefs_common.h"
  35
  36 enum {
  37         PREFS_PAGE_TITLE,               /* page title */
  38         PREFS_PAGE_DATA,                /* PrefsTreeNode data */
  39         PREFS_PAGE_DATA_AUTO_FREE,      /* auto free for PREFS_PAGE_DATA */
  40         PREFS_PAGE_WEIGHT,              /* weight */
  41         PREFS_PAGE_INDEX,               /* index in original page list */
  42         N_PREFS_PAGE_COLUMNS
  43 };
  44
  45 typedef struct _PrefsWindow PrefsWindow;
  46 typedef struct _PrefsTreeNode PrefsTreeNode;
  47
  48 struct _PrefsWindow
  49 {
  50         GtkWidget *window;
  51         GtkWidget *table1;
  52         GtkWidget *scrolledwindow1;
  53         GtkWidget *scrolledwindow2;
  54         GtkWidget *tree_view;
  55         GtkWidget *table2;
  56         GtkWidget *pagelabel;
  57         GtkWidget *labelframe;
  58         GtkWidget *frame;
  59         GtkWidget *notebook;
  60         GtkWidget *confirm_area;
  61         GtkWidget *ok_btn;
  62         GtkWidget *cancel_btn;
  63         GtkWidget *apply_btn;
  64         gint *save_width;
  65         gint *save_height;
  66
  67         GtkWidget *empty_page;
  68
  69         gpointer         data;
  70         GSList          *prefs_pages;
  71         GtkDestroyNotify func;
  72 };
  73
  74 struct _PrefsTreeNode
  75 {
  76         PrefsPage *page;
  77         gfloat     treeweight; /* GTK2: not used */
  78 };
  79
  80 static void prefs_size_allocate_cb(GtkWidget *widget,
  81                                                          GtkAllocation *allocation, gpointer *user_data);
  82 static GtkTreeStore *prefswindow_create_data_store      (void);
  83 static GtkWidget *prefswindow_tree_view_create          (PrefsWindow* prefswindow);
  84 static void prefs_filtering_create_tree_view_columns    (GtkWidget *tree_view);
  85 static gboolean prefswindow_row_selected                (GtkTreeSelection *selector,
  86                                                          GtkTreeModel *model,
  87                                                          GtkTreePath *path,
  88                                                          gboolean currently_selected,
  89                                                          gpointer data);
  90
  91 static void save_all_pages(GSList *prefs_pages)
  92 {
  93         GSList *cur;
  94
  95         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
  96                 PrefsPage *page = (PrefsPage *) cur->data;
  97
  98                 if (page->page_open) {
  99                         page->save_page(page);
 100                 }
 101         }
 102 }
 103
 104 static gboolean query_can_close_all_pages(GSList *prefs_pages)
 105 {
 106         GSList *cur;
 107
 108         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
 109                 PrefsPage *page = (PrefsPage *) cur->data;
 110
 111                 if (page->can_close)
 112                         if (!page->can_close(page))
 113                                 return FALSE;
 114         }
 115         return TRUE;
 116 }
 117
 118 static void close_all_pages(GSList *prefs_pages)
 119 {
 120         GSList *cur;
 121
 122         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
 123                 PrefsPage *page = (PrefsPage *) cur->data;
 124
 125                 if (page->page_open) {
 126                         page->destroy_widget(page);
 127                         page->page_open = FALSE;
 128                 }
 129         }
 130 }
 131
 132 static void apply_button_released(GtkButton *button, gpointer user_data)
 133 {
 134         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 135
 136         save_all_pages(prefswindow->prefs_pages);
 137 }
 138
 139 static void close_prefs_window(PrefsWindow *prefswindow)
 140 {
 141         debug_print("prefs window closed\n");
 142
 143         close_all_pages(prefswindow->prefs_pages);
 144
 145         gtk_widget_destroy(prefswindow->window);
 146         g_slist_free(prefswindow->prefs_pages);
 147         if(prefswindow->func != NULL)
 148                 prefswindow->func(prefswindow->data);
 149         g_free(prefswindow);
 150 }
 151
 152 static void ok_button_released(GtkButton *button, gpointer user_data)
 153 {
 154         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 155
 156         if (query_can_close_all_pages(prefswindow->prefs_pages)) {
 157                 save_all_pages(prefswindow->prefs_pages);
 158                 close_prefs_window(prefswindow);
 159         }
 160 }
 161
 162 static void cancel_button_released(GtkButton *button, gpointer user_data)
 163 {
 164         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 165
 166         close_prefs_window(prefswindow);
 167 }
 168
 169 static gboolean window_closed(GtkWidget *widget, GdkEvent *event, gpointer user_data)
 170 {
 171         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 172
 173         close_prefs_window(prefswindow);
 174         return FALSE;
 175 }
 176
 177 static gboolean prefswindow_key_pressed(GtkWidget *widget, GdkEventKey *event,
 178                                     PrefsWindow *data)
 179 {
 180         GtkWidget *focused_child;
 181
 182         if (event) {
 183                 switch (event->keyval) {
 184                         case GDK_Escape :
 185                                 cancel_button_released(NULL, data);
 186                                 break;
 187                         case GDK_Return :
 188                         case GDK_KP_Enter :
 189                                 focused_child = gtkut_get_focused_child
 190                                         (GTK_CONTAINER(data->notebook));
 191                                 /* Press ok, if the focused child is not a text view
 192                                  * and text (anything that accepts return) (can pass
 193                                  * NULL to any of the GTK_xxx() casts) */
 194                                 if (!GTK_IS_TEXT_VIEW(focused_child))
 195                                         ok_button_released(NULL, data);
 196                                 break;
 197                         default:
 198                                 break;
 199                 }
 200         }
 201         return FALSE;
 202 }
 203
 204 typedef struct FindNodeByName {
 205         const gchar *name;
 206         gboolean     found;
 207         GtkTreeIter  node;
 208 } FindNodeByName;
 209
 210 static gboolean find_node_by_name(GtkTreeModel *model, GtkTreePath *path,
 211                                   GtkTreeIter *iter, FindNodeByName *data)
 212 {
 213         gchar *name;
 214         gboolean result = FALSE;
 215
 216         gtk_tree_model_get(model, iter, PREFS_PAGE_TITLE, &name, -1);
 217         if (name) {
 218                 result = strcmp(name, data->name) == 0;
 219                 if (result) {
 220                         data->found = TRUE;
 221                         data->node  = *iter;
 222                 }
 223                 g_free(name);
 224         }
 225
 226         return result;
 227 }
 228
 229 static gint prefswindow_tree_sort_by_weight(GtkTreeModel *model,
 230                                             GtkTreeIter  *a,
 231                                             GtkTreeIter  *b,
 232                                             gpointer      context)
 233 {
 234         gfloat f1, f2;
 235         gint i1, i2;
 236
 237         /* From observation sorting should keep in account the original
 238          * order in the prefs_pages list. I.e. if equal weight, prefer
 239          * the index in the pages list */
 240         gtk_tree_model_get(model, a,
 241                            PREFS_PAGE_INDEX,  &i1,
 242                            PREFS_PAGE_WEIGHT, &f1, -1);
 243         gtk_tree_model_get(model, b,
 244                            PREFS_PAGE_INDEX,  &i2,
 245                            PREFS_PAGE_WEIGHT, &f2, -1);
 246
 247         return f1 < f2 ? -1 : (f1 > f2 ?  1 :
 248               (i1 < i2 ?  1 : (i1 > i2 ? -1 : 0)));
 249 }
 250
 251 static void prefswindow_build_tree(GtkWidget *tree_view, GSList *prefs_pages)
 252 {
 253         GtkTreeStore *store = GTK_TREE_STORE(gtk_tree_view_get_model
 254                         (GTK_TREE_VIEW(tree_view)));
 255         GSList *cur;
 256         gint index; /* index in pages list */
 257         GtkTreeSelection *selection;
 258         GtkTreeIter iter;
 259
 260         for (cur = prefs_pages, index = 0; cur != NULL; cur = g_slist_next(cur), index++) {
 261                 PrefsPage *page = (PrefsPage *)cur->data;
 262                 FindNodeByName find_name;
 263                 GtkTreeIter node, child;
 264                 PrefsTreeNode *prefs_node;
 265                 int i;
 266
 267                 /* each page tree component string */
 268                 for (i = 0; page->path[i] != NULL; i++) {
 269                         find_name.found = FALSE;
 270                         find_name.name  = page->path[i];
 271
 272                         /* find node to attach to
 273                          * FIXME: we search the entire tree, so this is suboptimal... */
 274                         gtk_tree_model_foreach(GTK_TREE_MODEL(store),
 275                                                (GtkTreeModelForeachFunc) find_node_by_name,
 276                                                &find_name);
 277                         if (find_name.found) {
 278                                 node = find_name.node;
 279                                 gtk_tree_model_get(GTK_TREE_MODEL(store), &node,
 280                                                    PREFS_PAGE_DATA, &prefs_node,
 281                                                    -1);
 282                         } else {
 283                                 GAuto *autoptr;
 284
 285                                 /* create a new top level */
 286                                 gtk_tree_store_append(store, &child, i == 0 ? NULL : &node);
 287                                 prefs_node = g_new0(PrefsTreeNode, 1);
 288                                 autoptr = g_auto_pointer_new(prefs_node);
 289                                 gtk_tree_store_set(store, &child,
 290                                                    PREFS_PAGE_TITLE, page->path[i],
 291                                                    PREFS_PAGE_DATA,  prefs_node,
 292                                                    PREFS_PAGE_DATA_AUTO_FREE, autoptr,
 293                                                    PREFS_PAGE_INDEX, index,
 294                                                    PREFS_PAGE_WEIGHT, 0.0f,
 295                                                    -1);
 296                                 g_auto_pointer_free(autoptr);
 297                                 node = child;
 298                         }
 299                 }
 300
 301                 /* right now we have a node and its prefs_node */
 302                 prefs_node->page = page;
 303
 304                 /* parents "inherit" the max weight of the children */
 305                 do {
 306                         gfloat f;
 307
 308                         gtk_tree_model_get(GTK_TREE_MODEL(store), &node,
 309                                            PREFS_PAGE_WEIGHT, &f,
 310                                            -1);
 311                         if (page->weight > f) {
 312                                 f = page->weight;
 313                                 gtk_tree_store_set(store, &node,
 314                                                    PREFS_PAGE_WEIGHT, f,
 315                                                    -1);
 316                         }
 317                         child = node;
 318                 } while (gtk_tree_model_iter_parent(GTK_TREE_MODEL(store),
 319                                                     &node, &child));
 320         }
 321
 322         gtk_tree_view_expand_all(GTK_TREE_VIEW(tree_view));
 323
 324         /* set sort func & sort */
 325         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(store),
 326                                         PREFS_PAGE_WEIGHT,
 327                                         prefswindow_tree_sort_by_weight,
 328                                         NULL, NULL);
 329         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
 330                                              PREFS_PAGE_WEIGHT,
 331                                              GTK_SORT_DESCENDING);
 332
 333         /* select first one */
 334         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree_view));
 335         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter))
 336                 gtk_tree_selection_select_iter(selection, &iter);
 337 }
 338
 339 void prefswindow_open_full(const gchar *title, GSList *prefs_pages, gpointer data, GtkDestroyNotify func,
 340                                                          gint *save_width, gint *save_height)
 341 {
 342         PrefsWindow *prefswindow;
 343         gint x = gdk_screen_width();
 344         gint y = gdk_screen_height();
 345         static GdkGeometry geometry;
 346
 347         prefswindow = g_new0(PrefsWindow, 1);
 348
 349         prefswindow->data = data;
 350         prefswindow->func = func;
 351         prefswindow->prefs_pages = g_slist_copy(prefs_pages);
 352         prefswindow->save_width = save_width;
 353         prefswindow->save_height = save_height;
 354
 355         prefswindow->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 356         gtk_window_set_title(GTK_WINDOW(prefswindow->window), title);
 357
 358         gtk_window_set_position (GTK_WINDOW(prefswindow->window), GTK_WIN_POS_CENTER);
 359         gtk_window_set_modal (GTK_WINDOW (prefswindow->window), TRUE);
 360         gtk_window_set_resizable (GTK_WINDOW(prefswindow->window), TRUE);
 361         gtk_container_set_border_width(GTK_CONTAINER(prefswindow->window), 4);
 362
 363         prefswindow->table1 = gtk_table_new(2, 2, FALSE);
 364         gtk_widget_show(prefswindow->table1);
 365         gtk_container_add(GTK_CONTAINER(prefswindow->window), prefswindow->table1);
 366
 367         prefswindow->scrolledwindow1 = gtk_scrolled_window_new(NULL, NULL);
 368         gtk_widget_show(prefswindow->scrolledwindow1);
 369         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow1), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 370         gtk_table_attach(GTK_TABLE(prefswindow->table1), prefswindow->scrolledwindow1, 0, 1, 0, 1, GTK_FILL, GTK_FILL | GTK_EXPAND, 2, 2);
 371
 372         prefswindow->tree_view = prefswindow_tree_view_create(prefswindow);
 373         gtk_widget_show(prefswindow->tree_view);
 374         gtk_container_add(GTK_CONTAINER(prefswindow->scrolledwindow1),
 375                           prefswindow->tree_view);
 376
 377         prefswindow->frame = gtk_frame_new(NULL);
 378         gtk_widget_show(prefswindow->frame);
 379         gtk_frame_set_shadow_type(GTK_FRAME(prefswindow->frame), GTK_SHADOW_IN);
 380         gtk_table_attach(GTK_TABLE(prefswindow->table1), prefswindow->frame, 1, 2, 0, 1, GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 2, 2);
 381
 382         prefswindow->table2 = gtk_table_new(1, 2, FALSE);
 383         gtk_widget_show(prefswindow->table2);
 384         gtk_container_add(GTK_CONTAINER(prefswindow->frame), prefswindow->table2);
 385
 386         prefswindow->labelframe = gtk_frame_new(NULL);
 387         gtk_widget_show(prefswindow->labelframe);
 388         gtk_frame_set_shadow_type(GTK_FRAME(prefswindow->labelframe), GTK_SHADOW_OUT);
 389         gtk_table_attach(GTK_TABLE(prefswindow->table2), prefswindow->labelframe, 0, 1, 0, 1, GTK_FILL | GTK_EXPAND, GTK_FILL, 1, 1);
 390
 391         prefswindow->pagelabel = gtk_label_new("");
 392         gtk_widget_show(prefswindow->pagelabel);
 393         gtk_label_set_justify(GTK_LABEL(prefswindow->pagelabel), GTK_JUSTIFY_LEFT);
 394         gtk_misc_set_alignment(GTK_MISC(prefswindow->pagelabel), 0, 0.0);
 395         gtk_container_add(GTK_CONTAINER(prefswindow->labelframe), prefswindow->pagelabel);
 396
 397         prefswindow->scrolledwindow2 = gtk_scrolled_window_new(NULL, NULL);
 398         gtk_widget_show(prefswindow->scrolledwindow2);
 399         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 400
 401         prefswindow->notebook = gtk_notebook_new();
 402         gtk_widget_show(prefswindow->notebook);
 403         gtk_notebook_set_scrollable(GTK_NOTEBOOK(prefswindow->notebook), TRUE);
 404         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(prefswindow->notebook), FALSE);
 405         gtk_notebook_set_show_border(GTK_NOTEBOOK(prefswindow->notebook), FALSE);
 406         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2),
 407                                         prefswindow->notebook);
 408         gtk_table_attach(GTK_TABLE(prefswindow->table2), prefswindow->scrolledwindow2, 0, 1, 1, 2, GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 8, 8);
 409
 410         prefswindow->empty_page = gtk_label_new("");
 411         gtk_widget_show(prefswindow->empty_page);
 412         gtk_container_add(GTK_CONTAINER(prefswindow->notebook), prefswindow->empty_page);
 413
 414         prefswindow_build_tree(prefswindow->tree_view, prefs_pages);
 415
 416         gtk_widget_grab_focus(prefswindow->tree_view);
 417
 418         gtkut_stock_button_set_create(&prefswindow->confirm_area,
 419                                       &prefswindow->apply_btn,  GTK_STOCK_APPLY,
 420                                       &prefswindow->cancel_btn, GTK_STOCK_CANCEL,
 421                                       &prefswindow->ok_btn,     GTK_STOCK_OK);
 422
 423         gtk_widget_show_all(prefswindow->confirm_area);
 424
 425         gtk_table_attach(GTK_TABLE(prefswindow->table1), prefswindow->confirm_area, 0, 2, 1, 2, GTK_FILL | GTK_EXPAND, GTK_FILL, 2, 2);
 426
 427         g_signal_connect(G_OBJECT(prefswindow->ok_btn), "released",
 428                          G_CALLBACK(ok_button_released), prefswindow);
 429         g_signal_connect(G_OBJECT(prefswindow->cancel_btn), "released",
 430                          G_CALLBACK(cancel_button_released), prefswindow);
 431         g_signal_connect(G_OBJECT(prefswindow->apply_btn), "released",
 432                          G_CALLBACK(apply_button_released), prefswindow);
 433         g_signal_connect(G_OBJECT(prefswindow->window), "delete_event",
 434                          G_CALLBACK(window_closed), prefswindow);
 435         g_signal_connect(G_OBJECT(prefswindow->window), "key_press_event",
 436                            G_CALLBACK(prefswindow_key_pressed), &(prefswindow->window));
 437         /* connect to callback only if we hhave non-NULL pointers to store size to */
 438         if (prefswindow->save_width && prefswindow->save_height) {
 439                 g_signal_connect(G_OBJECT(prefswindow->window), "size_allocate",
 440                                  G_CALLBACK(prefs_size_allocate_cb), prefswindow);
 441         }
 442
 443         if (!geometry.min_height) {
 444
 445                 if (x < 800 && y < 600) {
 446                         geometry.min_width = 600;
 447                         geometry.min_height = 440;
 448                 } else {
 449                         geometry.min_width = 700;
 450                         geometry.min_height = 550;
 451                 }
 452         }
 453
 454         gtk_window_set_geometry_hints(GTK_WINDOW(prefswindow->window), NULL, &geometry,
 455                                       GDK_HINT_MIN_SIZE);
 456         if (prefswindow->save_width && prefswindow->save_height) {
 457                 gtk_widget_set_size_request(prefswindow->window, *(prefswindow->save_width),
 458                                             *(prefswindow->save_height));
 459         }
 460
 461         gtk_widget_show(prefswindow->window);
 462 }
 463
 464 void prefswindow_open(const gchar *title, GSList *prefs_pages, gpointer data,
 465                                          gint *save_width, gint *save_height)
 466 {
 467         prefswindow_open_full(title, prefs_pages, data, NULL, save_width, save_height);
 468 }
 469
 470 /*!
 471  *\brief        Save Gtk object size to prefs dataset
 472  */
 473 static void prefs_size_allocate_cb(GtkWidget *widget,
 474                                          GtkAllocation *allocation, gpointer *user_data)
 475 {
 476         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 477
 478         g_return_if_fail(allocation != NULL);
 479
 480         /* don't try to save size to NULL pointers */
 481         if (prefswindow && prefswindow->save_width && prefswindow->save_height) {
 482                 *(prefswindow->save_width) = allocation->width;
 483                 *(prefswindow->save_height) = allocation->height;
 484         }
 485 }
 486
 487 static GtkTreeStore *prefswindow_create_data_store(void)
 488 {
 489         return gtk_tree_store_new(N_PREFS_PAGE_COLUMNS,
 490                                   G_TYPE_STRING,
 491                                   G_TYPE_POINTER,
 492                                   G_TYPE_AUTO_POINTER,
 493                                   G_TYPE_FLOAT,
 494                                   G_TYPE_INT,
 495                                   -1);
 496 }
 497
 498 static GtkWidget *prefswindow_tree_view_create(PrefsWindow *prefswindow)
 499 {
 500         GtkTreeView *tree_view;
 501         GtkTreeSelection *selector;
 502         GtkTreeModel *model;
 503
 504         model = GTK_TREE_MODEL(prefswindow_create_data_store());
 505         tree_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 506         g_object_unref(model);
 507         gtk_tree_view_set_rules_hint(tree_view, prefs_common.enable_rules_hint);
 508
 509         selector = gtk_tree_view_get_selection(tree_view);
 510         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 511         gtk_tree_selection_set_select_function(selector, prefswindow_row_selected,
 512                                                prefswindow, NULL);
 513
 514         /* create the columns */
 515         prefs_filtering_create_tree_view_columns(GTK_WIDGET(tree_view));
 516
 517         return GTK_WIDGET(tree_view);
 518 }
 519
 520 static void prefs_filtering_create_tree_view_columns(GtkWidget *tree_view)
 521 {
 522         GtkTreeViewColumn *column;
 523         GtkCellRenderer *renderer;
 524
 525         renderer = gtk_cell_renderer_text_new();
 526         column = gtk_tree_view_column_new_with_attributes
 527                 (_("Page Index"),
 528                  renderer,
 529                  "text", PREFS_PAGE_TITLE,
 530                  NULL);
 531         gtk_tree_view_append_column(GTK_TREE_VIEW(tree_view), column);
 532 }
 533
 534 static gboolean prefswindow_row_selected(GtkTreeSelection *selector,
 535                                          GtkTreeModel *model,
 536                                          GtkTreePath *path,
 537                                          gboolean currently_selected,
 538                                          gpointer data)
 539 {
 540         PrefsTreeNode *prefsnode;
 541         PrefsPage *page;
 542         PrefsWindow *prefswindow = (PrefsWindow *) data;
 543         gchar *labeltext;
 544         gint pagenum, i;
 545         GtkTreeIter iter;
 546
 547         if (currently_selected)
 548                 return TRUE;
 549
 550         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
 551                 return TRUE;
 552
 553         gtk_tree_model_get(model, &iter, PREFS_PAGE_DATA, &prefsnode, -1);
 554         page = prefsnode->page;
 555
 556         debug_print("%f\n", prefsnode->treeweight);
 557
 558         if (page == NULL) {
 559                 gtk_label_set_text(GTK_LABEL(prefswindow->pagelabel), "");
 560                 pagenum = gtk_notebook_page_num(GTK_NOTEBOOK(prefswindow->notebook),
 561                                                 prefswindow->empty_page);
 562                 gtk_notebook_set_page(GTK_NOTEBOOK(prefswindow->notebook), pagenum);
 563                 return TRUE;
 564         }
 565
 566         if (!page->page_open) {
 567                 page->create_widget(page, GTK_WINDOW(prefswindow->window), prefswindow->data);
 568                 gtk_container_add(GTK_CONTAINER(prefswindow->notebook), page->widget);
 569                 page->page_open = TRUE;
 570         }
 571
 572         i = 0;
 573         while (page->path[i + 1] != 0)
 574                 i++;
 575         labeltext = page->path[i];
 576
 577         gtk_label_set_text(GTK_LABEL(prefswindow->pagelabel), labeltext);
 578
 579         pagenum = gtk_notebook_page_num(GTK_NOTEBOOK(prefswindow->notebook),
 580                                         page->widget);
 581         gtk_notebook_set_page(GTK_NOTEBOOK(prefswindow->notebook), pagenum);
 582
 583         return TRUE;
 584 }
 585