src/gtk/prefswindow.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail 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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  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 *vbox;
  52         GtkWidget *paned;
  53         GtkWidget *scrolledwindow1;
  54         GtkWidget *scrolledwindow2;
  55         GtkWidget *tree_view;
  56         GtkWidget *table2;
  57         GtkWidget *pagelabel;
  58         GtkWidget *labelframe;
  59         GtkWidget *vbox2;
  60         GtkWidget *notebook;
  61         GtkWidget *confirm_area;
  62         GtkWidget *ok_btn;
  63         GtkWidget *cancel_btn;
  64         GtkWidget *apply_btn;
  65         gint *save_width;
  66         gint *save_height;
  67         PrefsCloseCallbackFunc open_cb;
  68         PrefsCloseCallbackFunc close_cb;
  69
  70         GtkWidget *empty_page;
  71
  72         gpointer         data;
  73         GSList          *prefs_pages;
  74         GtkDestroyNotify func;
  75 };
  76
  77 struct _PrefsTreeNode
  78 {
  79         PrefsPage *page;
  80         gfloat     treeweight; /* GTK2: not used */
  81 };
  82
  83 static void prefs_size_allocate_cb(GtkWidget *widget,
  84                                                          GtkAllocation *allocation, gpointer *user_data);
  85 static GtkTreeStore *prefswindow_create_data_store      (void);
  86 static GtkWidget *prefswindow_tree_view_create          (PrefsWindow* prefswindow);
  87 static void prefs_filtering_create_tree_view_columns    (GtkWidget *tree_view);
  88 static gboolean prefswindow_row_selected                (GtkTreeSelection *selector,
  89                                                          GtkTreeModel *model,
  90                                                          GtkTreePath *path,
  91                                                          gboolean currently_selected,
  92                                                          gpointer data);
  93
  94 static void save_all_pages(GSList *prefs_pages)
  95 {
  96         GSList *cur;
  97
  98         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
  99                 PrefsPage *page = (PrefsPage *) cur->data;
 100
 101                 if (page->page_open) {
 102                         page->save_page(page);
 103                 }
 104         }
 105 }
 106
 107 static gboolean query_can_close_all_pages(GSList *prefs_pages)
 108 {
 109         GSList *cur;
 110
 111         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
 112                 PrefsPage *page = (PrefsPage *) cur->data;
 113
 114                 if (page->can_close)
 115                         if (!page->can_close(page))
 116                                 return FALSE;
 117         }
 118         return TRUE;
 119 }
 120
 121 static void close_all_pages(GSList *prefs_pages)
 122 {
 123         GSList *cur;
 124
 125         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
 126                 PrefsPage *page = (PrefsPage *) cur->data;
 127
 128                 if (page->page_open) {
 129                         page->destroy_widget(page);
 130                         page->page_open = FALSE;
 131                 }
 132         }
 133 }
 134
 135 #ifdef GENERIC_UMPC
 136 static void prefs_show_sections(PrefsWindow *prefswindow)
 137 {
 138         gint max;
 139         GtkWidget *paned = prefswindow->paned;
 140
 141         g_object_get (G_OBJECT(paned),
 142                         "max-position",
 143                         &max, NULL);
 144
 145         gtk_widget_show(gtk_paned_get_child1(GTK_PANED(paned)));
 146         gtk_widget_hide(gtk_paned_get_child2(GTK_PANED(paned)));
 147         gtk_paned_set_position(GTK_PANED(paned), max);
 148 }
 149
 150 static void prefs_show_page(PrefsWindow *prefswindow)
 151 {
 152         gint min;
 153         GtkWidget *paned = prefswindow->paned;
 154
 155         g_object_get (G_OBJECT(paned),
 156                         "min-position",
 157                         &min, NULL);
 158
 159         gtk_widget_hide(gtk_paned_get_child1(GTK_PANED(paned)));
 160         gtk_widget_show(gtk_paned_get_child2(GTK_PANED(paned)));
 161         gtk_paned_set_position(GTK_PANED(paned), min);
 162 }
 163 #endif
 164
 165 static void apply_button_clicked(GtkButton *button, gpointer user_data)
 166 {
 167         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 168
 169         save_all_pages(prefswindow->prefs_pages);
 170 #ifdef GENERIC_UMPC
 171         prefs_show_sections(prefswindow);
 172 #endif
 173 }
 174
 175 static void close_prefs_window(PrefsWindow *prefswindow)
 176 {
 177         debug_print("prefs window closed\n");
 178
 179         close_all_pages(prefswindow->prefs_pages);
 180
 181         if (prefswindow->close_cb)
 182                 prefswindow->close_cb(GTK_WINDOW(prefswindow->window));
 183
 184         gtk_widget_destroy(prefswindow->window);
 185         g_slist_free(prefswindow->prefs_pages);
 186         if(prefswindow->func != NULL)
 187                 prefswindow->func(prefswindow->data);
 188         g_free(prefswindow);
 189 }
 190
 191 static void ok_button_clicked(GtkButton *button, gpointer user_data)
 192 {
 193         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 194
 195         if (query_can_close_all_pages(prefswindow->prefs_pages)) {
 196                 save_all_pages(prefswindow->prefs_pages);
 197                 close_prefs_window(prefswindow);
 198         }
 199 }
 200 #ifndef MAEMO
 201 static void cancel_button_clicked(GtkButton *button, gpointer user_data)
 202 {
 203         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 204
 205         close_prefs_window(prefswindow);
 206 }
 207 #endif
 208 static gboolean window_closed(GtkWidget *widget, GdkEvent *event, gpointer user_data)
 209 {
 210         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 211
 212 #ifdef GENERIC_UMPC
 213         save_all_pages(prefswindow->prefs_pages);
 214 #endif
 215         close_prefs_window(prefswindow);
 216
 217         return FALSE;
 218 }
 219 #ifndef MAEMO
 220 static gboolean prefswindow_key_pressed(GtkWidget *widget, GdkEventKey *event,
 221                                     PrefsWindow *data)
 222 {
 223         GtkWidget *focused_child;
 224
 225         if (event) {
 226                 switch (event->keyval) {
 227                         case GDK_Escape :
 228                                 cancel_button_clicked(NULL, data);
 229                                 break;
 230                         case GDK_Return :
 231                         case GDK_KP_Enter :
 232                                 focused_child = gtkut_get_focused_child
 233                                         (GTK_CONTAINER(data->notebook));
 234                                 /* Press ok, if the focused child is not a text view
 235                                  * and text (anything that accepts return) (can pass
 236                                  * NULL to any of the GTK_xxx() casts) */
 237                                 if (!GTK_IS_TEXT_VIEW(focused_child))
 238                                         ok_button_clicked(NULL, data);
 239                                 break;
 240                         default:
 241                                 break;
 242                 }
 243         }
 244         return FALSE;
 245 }
 246 #endif
 247 typedef struct FindNodeByName {
 248         const gchar *name;
 249         gboolean     found;
 250         GtkTreeIter  node;
 251 } FindNodeByName;
 252
 253 static gboolean find_node_by_name(GtkTreeModel *model, GtkTreePath *path,
 254                                   GtkTreeIter *iter, FindNodeByName *data)
 255 {
 256         gchar *name;
 257         gboolean result = FALSE;
 258
 259         gtk_tree_model_get(model, iter, PREFS_PAGE_TITLE, &name, -1);
 260         if (name) {
 261                 result = strcmp(name, data->name) == 0;
 262                 if (result) {
 263                         data->found = TRUE;
 264                         data->node  = *iter;
 265                 }
 266                 g_free(name);
 267         }
 268
 269         return result;
 270 }
 271
 272 static gint prefswindow_tree_sort_by_weight(GtkTreeModel *model,
 273                                             GtkTreeIter  *a,
 274                                             GtkTreeIter  *b,
 275                                             gpointer      context)
 276 {
 277         gfloat f1, f2;
 278         gint i1, i2;
 279
 280         /* From observation sorting should keep in account the original
 281          * order in the prefs_pages list. I.e. if equal weight, prefer
 282          * the index in the pages list */
 283         gtk_tree_model_get(model, a,
 284                            PREFS_PAGE_INDEX,  &i1,
 285                            PREFS_PAGE_WEIGHT, &f1, -1);
 286         gtk_tree_model_get(model, b,
 287                            PREFS_PAGE_INDEX,  &i2,
 288                            PREFS_PAGE_WEIGHT, &f2, -1);
 289
 290         return f1 < f2 ? -1 : (f1 > f2 ?  1 :
 291               (i1 < i2 ?  1 : (i1 > i2 ? -1 : 0)));
 292 }
 293
 294 static void prefswindow_build_all_pages(PrefsWindow *prefswindow, GSList *prefs_pages)
 295 {
 296         GSList *cur;
 297
 298         prefs_pages = g_slist_reverse(prefs_pages);
 299         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
 300                 PrefsPage *page = (PrefsPage *) cur->data;
 301
 302                 if (!page->page_open) {
 303                         page->create_widget(page, GTK_WINDOW(prefswindow->window), prefswindow->data);
 304                         gtk_container_add(GTK_CONTAINER(prefswindow->notebook), page->widget);
 305                         page->page_open = TRUE;
 306                 }
 307         }
 308         prefs_pages = g_slist_reverse(prefs_pages);
 309 }
 310
 311 static void prefswindow_build_tree(GtkWidget *tree_view, GSList *prefs_pages,
 312                                                                         PrefsWindow *prefswindow,
 313                                                                         gboolean preload_pages,
 314                                                                         gboolean activate_child)
 315 {
 316         GtkTreeStore *store = GTK_TREE_STORE(gtk_tree_view_get_model
 317                         (GTK_TREE_VIEW(tree_view)));
 318         GSList *cur;
 319         gint index; /* index in pages list */
 320 #ifndef GENERIC_UMPC
 321         GtkTreeSelection *selection;
 322         GtkTreeIter iter;
 323 #endif
 324
 325         for (cur = prefs_pages, index = 0; cur != NULL; cur = g_slist_next(cur), index++) {
 326                 PrefsPage *page = (PrefsPage *)cur->data;
 327                 FindNodeByName find_name;
 328                 GtkTreeIter node, child;
 329                 PrefsTreeNode *prefs_node;
 330                 int i;
 331
 332                 /* each page tree component string */
 333                 for (i = 0; page->path[i] != NULL; i++) {
 334                         find_name.found = FALSE;
 335                         find_name.name  = page->path[i];
 336
 337                         /* find node to attach to
 338                          * FIXME: we search the entire tree, so this is suboptimal... */
 339                         gtk_tree_model_foreach(GTK_TREE_MODEL(store),
 340                                                (GtkTreeModelForeachFunc) find_node_by_name,
 341                                                &find_name);
 342                         if (find_name.found) {
 343                                 node = find_name.node;
 344                                 gtk_tree_model_get(GTK_TREE_MODEL(store), &node,
 345                                                    PREFS_PAGE_DATA, &prefs_node,
 346                                                    -1);
 347                         } else {
 348                                 GAuto *autoptr;
 349
 350                                 /* create a new top level */
 351                                 gtk_tree_store_append(store, &child, i == 0 ? NULL : &node);
 352                                 prefs_node = g_new0(PrefsTreeNode, 1);
 353                                 autoptr = g_auto_pointer_new(prefs_node);
 354                                 gtk_tree_store_set(store, &child,
 355                                                    PREFS_PAGE_TITLE, page->path[i],
 356                                                    PREFS_PAGE_DATA,  prefs_node,
 357                                                    PREFS_PAGE_DATA_AUTO_FREE, autoptr,
 358                                                    PREFS_PAGE_INDEX, index,
 359                                                    PREFS_PAGE_WEIGHT, 0.0f,
 360                                                    -1);
 361                                 g_auto_pointer_free(autoptr);
 362                                 node = child;
 363                         }
 364                 }
 365
 366                 /* right now we have a node and its prefs_node */
 367                 prefs_node->page = page;
 368
 369                 /* parents "inherit" the max weight of the children */
 370                 do {
 371                         gfloat f;
 372
 373                         gtk_tree_model_get(GTK_TREE_MODEL(store), &node,
 374                                            PREFS_PAGE_WEIGHT, &f,
 375                                            -1);
 376                         if (page->weight > f) {
 377                                 f = page->weight;
 378                                 gtk_tree_store_set(store, &node,
 379                                                    PREFS_PAGE_WEIGHT, f,
 380                                                    -1);
 381                         }
 382                         child = node;
 383                 } while (gtk_tree_model_iter_parent(GTK_TREE_MODEL(store),
 384                                                     &node, &child));
 385         }
 386
 387         gtk_tree_view_expand_all(GTK_TREE_VIEW(tree_view));
 388
 389         /* set sort func & sort */
 390         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(store),
 391                                         PREFS_PAGE_WEIGHT,
 392                                         prefswindow_tree_sort_by_weight,
 393                                         NULL, NULL);
 394         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
 395                                              PREFS_PAGE_WEIGHT,
 396                                              GTK_SORT_DESCENDING);
 397
 398         if (preload_pages)
 399                 prefswindow_build_all_pages(prefswindow, prefs_pages);
 400
 401         /* select first one or its first child if necessary */
 402 #ifndef GENERIC_UMPC
 403         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree_view));
 404         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter)) {
 405                 if (activate_child && gtk_tree_model_iter_has_child(GTK_TREE_MODEL(store), &iter)) {
 406                         GtkTreeIter parent = iter;
 407                         if (!gtk_tree_model_iter_children(GTK_TREE_MODEL(store), &iter, &parent))
 408                                 iter = parent;
 409                 }
 410                 gtk_tree_selection_select_iter(selection, &iter);
 411         }
 412 #endif
 413 }
 414
 415 void prefswindow_open_full(const gchar *title, GSList *prefs_pages,
 416                                                          gpointer data, GtkDestroyNotify func,
 417                                                          gint *save_width, gint *save_height,
 418                                                          gboolean preload_pages, gboolean activate_child,
 419                                                          PrefsOpenCallbackFunc open_cb,
 420                                                          PrefsCloseCallbackFunc close_cb)
 421 {
 422         PrefsWindow *prefswindow;
 423         gint x = gdk_screen_width();
 424         gint y = gdk_screen_height();
 425         static GdkGeometry geometry;
 426         GtkAdjustment *adj;
 427         GtkWidget *tmp;
 428
 429         prefswindow = g_new0(PrefsWindow, 1);
 430
 431         prefswindow->data = data;
 432         prefswindow->func = func;
 433         prefswindow->prefs_pages = g_slist_copy(prefs_pages);
 434         prefswindow->save_width = save_width;
 435         prefswindow->save_height = save_height;
 436         prefswindow->open_cb = open_cb;
 437         prefswindow->close_cb = close_cb;
 438
 439         prefswindow->window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefswindow");
 440         gtk_window_set_title(GTK_WINDOW(prefswindow->window), title);
 441
 442         gtk_window_set_position (GTK_WINDOW(prefswindow->window), GTK_WIN_POS_CENTER);
 443         gtk_window_set_modal (GTK_WINDOW (prefswindow->window), TRUE);
 444         gtk_window_set_resizable (GTK_WINDOW(prefswindow->window), TRUE);
 445         gtk_container_set_border_width(GTK_CONTAINER(prefswindow->window), 4);
 446
 447         prefswindow->vbox = gtk_vbox_new(FALSE, 6);
 448         gtk_widget_show(prefswindow->vbox);
 449
 450         prefswindow->paned = gtk_hpaned_new();
 451         gtk_widget_show(prefswindow->paned);
 452
 453         gtk_container_add(GTK_CONTAINER(prefswindow->window), prefswindow->vbox);
 454
 455         gtk_box_pack_start(GTK_BOX(prefswindow->vbox), prefswindow->paned, TRUE, TRUE, 0);
 456
 457         prefswindow->scrolledwindow1 = gtk_scrolled_window_new(NULL, NULL);
 458         gtk_widget_show(prefswindow->scrolledwindow1);
 459         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow1),
 460                         GTK_SHADOW_IN);
 461         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow1),
 462                         GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 463
 464         gtk_paned_add1(GTK_PANED(prefswindow->paned), prefswindow->scrolledwindow1);
 465
 466         prefswindow->tree_view = prefswindow_tree_view_create(prefswindow);
 467         gtk_widget_show(prefswindow->tree_view);
 468         gtk_container_add(GTK_CONTAINER(prefswindow->scrolledwindow1),
 469                           prefswindow->tree_view);
 470
 471         prefswindow->vbox2 = gtk_vbox_new(FALSE, 2);
 472         gtk_widget_show(prefswindow->vbox2);
 473
 474         gtk_paned_add2(GTK_PANED(prefswindow->paned), prefswindow->vbox2);
 475
 476         prefswindow->table2 = gtk_table_new(1, 2, FALSE);
 477         gtk_widget_show(prefswindow->table2);
 478         gtk_container_add(GTK_CONTAINER(prefswindow->vbox2), prefswindow->table2);
 479
 480         prefswindow->labelframe = gtk_frame_new(NULL);
 481         gtk_widget_show(prefswindow->labelframe);
 482         gtk_frame_set_shadow_type(GTK_FRAME(prefswindow->labelframe), GTK_SHADOW_OUT);
 483         gtk_table_attach(GTK_TABLE(prefswindow->table2), prefswindow->labelframe,
 484                         0, 1, 0, 1, GTK_FILL | GTK_EXPAND, GTK_FILL, 1, 1);
 485
 486         prefswindow->pagelabel = gtk_label_new("");
 487         gtk_widget_show(prefswindow->pagelabel);
 488         gtk_label_set_justify(GTK_LABEL(prefswindow->pagelabel), GTK_JUSTIFY_LEFT);
 489         gtk_misc_set_alignment(GTK_MISC(prefswindow->pagelabel), 0, 0.0);
 490         gtk_container_add(GTK_CONTAINER(prefswindow->labelframe), prefswindow->pagelabel);
 491
 492         prefswindow->scrolledwindow2 = gtk_scrolled_window_new(NULL, NULL);
 493         gtk_widget_show(prefswindow->scrolledwindow2);
 494         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2),
 495                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 496
 497         prefswindow->notebook = gtk_notebook_new();
 498         gtk_widget_show(prefswindow->notebook);
 499         gtk_notebook_set_scrollable(GTK_NOTEBOOK(prefswindow->notebook), TRUE);
 500         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(prefswindow->notebook), FALSE);
 501         gtk_notebook_set_show_border(GTK_NOTEBOOK(prefswindow->notebook), FALSE);
 502         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2),
 503                                         prefswindow->notebook);
 504         tmp = gtk_bin_get_child(GTK_BIN(prefswindow->scrolledwindow2));
 505         gtk_viewport_set_shadow_type(GTK_VIEWPORT(tmp), GTK_SHADOW_NONE);
 506         gtk_table_attach(GTK_TABLE(prefswindow->table2), prefswindow->scrolledwindow2,
 507                         0, 1, 1, 2, GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 0, 4);
 508
 509         prefswindow->empty_page = gtk_label_new("");
 510         gtk_widget_show(prefswindow->empty_page);
 511         gtk_container_add(GTK_CONTAINER(prefswindow->notebook), prefswindow->empty_page);
 512
 513         prefswindow_build_tree(prefswindow->tree_view, prefs_pages, prefswindow,
 514                                                         preload_pages, activate_child);
 515
 516         if (open_cb)
 517                 open_cb(GTK_WINDOW(prefswindow->window));
 518
 519         gtk_widget_grab_focus(prefswindow->tree_view);
 520
 521 #ifndef GENERIC_UMPC
 522         gtkut_stock_button_set_create(&prefswindow->confirm_area,
 523                                       &prefswindow->apply_btn,  GTK_STOCK_APPLY,
 524                                       &prefswindow->cancel_btn, GTK_STOCK_CANCEL,
 525                                       &prefswindow->ok_btn,     GTK_STOCK_OK);
 526 #else
 527         gtkut_stock_button_set_create(&prefswindow->confirm_area,
 528                                       &prefswindow->apply_btn,  GTK_STOCK_APPLY,
 529                                       &prefswindow->ok_btn,     GTK_STOCK_CLOSE,
 530                                       NULL,                     NULL);
 531 #endif
 532         gtk_widget_show_all(prefswindow->confirm_area);
 533         gtk_widget_show(prefswindow->vbox);
 534         gtk_widget_show(prefswindow->scrolledwindow1);
 535         gtk_widget_show(prefswindow->scrolledwindow2);
 536
 537         gtk_box_pack_start(GTK_BOX(prefswindow->vbox), prefswindow->confirm_area, FALSE, FALSE, 0);
 538
 539 #ifndef GENERIC_UMPC
 540         g_signal_connect(G_OBJECT(prefswindow->ok_btn), "clicked",
 541                          G_CALLBACK(ok_button_clicked), prefswindow);
 542         g_signal_connect(G_OBJECT(prefswindow->cancel_btn), "clicked",
 543                          G_CALLBACK(cancel_button_clicked), prefswindow);
 544         g_signal_connect(G_OBJECT(prefswindow->apply_btn), "clicked",
 545                          G_CALLBACK(apply_button_clicked), prefswindow);
 546 #else
 547         g_signal_connect(G_OBJECT(prefswindow->ok_btn), "clicked",
 548                          G_CALLBACK(ok_button_clicked), prefswindow);
 549         g_signal_connect(G_OBJECT(prefswindow->apply_btn), "clicked",
 550                          G_CALLBACK(apply_button_clicked), prefswindow);
 551 #endif
 552
 553         g_signal_connect(G_OBJECT(prefswindow->window), "delete_event",
 554                          G_CALLBACK(window_closed), prefswindow);
 555
 556 #ifdef MAEMO
 557         maemo_connect_key_press_to_mainwindow(GTK_WINDOW(prefswindow->window));
 558 #else
 559         g_signal_connect(G_OBJECT(prefswindow->window), "key_press_event",
 560                            G_CALLBACK(prefswindow_key_pressed), &(prefswindow->window));
 561 #endif
 562
 563         /* connect to callback only if we hhave non-NULL pointers to store size to */
 564         if (prefswindow->save_width && prefswindow->save_height) {
 565                 g_signal_connect(G_OBJECT(prefswindow->window), "size_allocate",
 566                                  G_CALLBACK(prefs_size_allocate_cb), prefswindow);
 567         }
 568
 569         if (!geometry.min_height) {
 570
 571                 if (x < 800 && y < 600) {
 572                         geometry.min_width = 600;
 573                         geometry.min_height = 440;
 574                 } else {
 575                         geometry.min_width = 700;
 576                         geometry.min_height = 550;
 577                 }
 578         }
 579         gtk_window_set_geometry_hints(GTK_WINDOW(prefswindow->window), NULL, &geometry,
 580                                       GDK_HINT_MIN_SIZE);
 581         if (prefswindow->save_width && prefswindow->save_height) {
 582                 gtk_widget_set_size_request(prefswindow->window, *(prefswindow->save_width),
 583                                             *(prefswindow->save_height));
 584         }
 585
 586 #ifdef GENERIC_UMPC
 587         prefs_show_sections(prefswindow);
 588 #endif
 589         gtk_widget_show(prefswindow->window);
 590 #ifdef MAEMO
 591         maemo_window_full_screen_if_needed(GTK_WINDOW(prefswindow->window));
 592 #endif
 593         adj = gtk_scrolled_window_get_vadjustment(
 594                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow1));
 595         gtk_adjustment_set_value(adj, adj->lower);
 596         gtk_adjustment_changed(adj);
 597         adj = gtk_scrolled_window_get_vadjustment(
 598                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2));
 599         gtk_adjustment_set_value(adj, adj->lower);
 600         gtk_adjustment_changed(adj);
 601         adj = gtk_scrolled_window_get_hadjustment(
 602                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2));
 603         gtk_adjustment_set_value(adj, adj->lower);
 604         gtk_adjustment_changed(adj);
 605 }
 606
 607 void prefswindow_open(const gchar *title, GSList *prefs_pages, gpointer data,
 608                                          gint *save_width, gint *save_height,
 609                                          PrefsOpenCallbackFunc open_cb,
 610                                          PrefsCloseCallbackFunc close_cb)
 611 {
 612         prefswindow_open_full(title, prefs_pages, data, NULL, save_width, save_height,
 613                                                   FALSE, FALSE, open_cb, close_cb);
 614 }
 615
 616 /*!
 617  *\brief        Save Gtk object size to prefs dataset
 618  */
 619 static void prefs_size_allocate_cb(GtkWidget *widget,
 620                                          GtkAllocation *allocation, gpointer *user_data)
 621 {
 622         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
 623
 624         g_return_if_fail(allocation != NULL);
 625
 626         /* don't try to save size to NULL pointers */
 627         if (prefswindow && prefswindow->save_width && prefswindow->save_height) {
 628                 *(prefswindow->save_width) = allocation->width;
 629                 *(prefswindow->save_height) = allocation->height;
 630         }
 631 }
 632
 633 static GtkTreeStore *prefswindow_create_data_store(void)
 634 {
 635         return gtk_tree_store_new(N_PREFS_PAGE_COLUMNS,
 636                                   G_TYPE_STRING,
 637                                   G_TYPE_POINTER,
 638                                   G_TYPE_AUTO_POINTER,
 639                                   G_TYPE_FLOAT,
 640                                   G_TYPE_INT,
 641                                   -1);
 642 }
 643
 644 static GtkWidget *prefswindow_tree_view_create(PrefsWindow *prefswindow)
 645 {
 646         GtkTreeView *tree_view;
 647         GtkTreeSelection *selector;
 648         GtkTreeModel *model;
 649
 650         model = GTK_TREE_MODEL(prefswindow_create_data_store());
 651         tree_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 652         g_object_unref(model);
 653         gtk_tree_view_set_rules_hint(tree_view, prefs_common.use_stripes_everywhere);
 654
 655         selector = gtk_tree_view_get_selection(tree_view);
 656         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 657         gtk_tree_selection_set_select_function(selector, prefswindow_row_selected,
 658                                                prefswindow, NULL);
 659
 660         /* create the columns */
 661         prefs_filtering_create_tree_view_columns(GTK_WIDGET(tree_view));
 662
 663         return GTK_WIDGET(tree_view);
 664 }
 665
 666 static void prefs_filtering_create_tree_view_columns(GtkWidget *tree_view)
 667 {
 668         GtkTreeViewColumn *column;
 669         GtkCellRenderer *renderer;
 670
 671         renderer = gtk_cell_renderer_text_new();
 672         column = gtk_tree_view_column_new_with_attributes
 673                 (_("Page Index"),
 674                  renderer,
 675                  "text", PREFS_PAGE_TITLE,
 676                  NULL);
 677         gtk_tree_view_append_column(GTK_TREE_VIEW(tree_view), column);
 678 }
 679
 680 static gboolean prefswindow_row_selected(GtkTreeSelection *selector,
 681                                          GtkTreeModel *model,
 682                                          GtkTreePath *path,
 683                                          gboolean currently_selected,
 684                                          gpointer data)
 685 {
 686         PrefsTreeNode *prefsnode;
 687         PrefsPage *page;
 688         PrefsWindow *prefswindow = (PrefsWindow *) data;
 689         gchar *labeltext;
 690         gint pagenum, i;
 691         GtkTreeIter iter;
 692         GtkAdjustment *adj;
 693
 694 #ifndef GENERIC_UMPC
 695         if (currently_selected)
 696                 return TRUE;
 697 #endif
 698         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
 699                 return TRUE;
 700
 701         gtk_tree_model_get(model, &iter, PREFS_PAGE_DATA, &prefsnode, -1);
 702         page = prefsnode->page;
 703
 704         debug_print("%f\n", prefsnode->treeweight);
 705
 706         if (page == NULL) {
 707                 gtk_label_set_text(GTK_LABEL(prefswindow->pagelabel), "");
 708                 pagenum = gtk_notebook_page_num(GTK_NOTEBOOK(prefswindow->notebook),
 709                                                 prefswindow->empty_page);
 710                 gtk_notebook_set_current_page(GTK_NOTEBOOK(prefswindow->notebook),
 711                                               pagenum);
 712                 return TRUE;
 713         }
 714
 715         if (!page->page_open) {
 716                 page->create_widget(page, GTK_WINDOW(prefswindow->window), prefswindow->data);
 717                 gtk_container_add(GTK_CONTAINER(prefswindow->notebook), page->widget);
 718                 page->page_open = TRUE;
 719         }
 720
 721         i = 0;
 722         while (page->path[i + 1] != 0)
 723                 i++;
 724         labeltext = page->path[i];
 725
 726         gtk_label_set_text(GTK_LABEL(prefswindow->pagelabel), labeltext);
 727
 728         pagenum = gtk_notebook_page_num(GTK_NOTEBOOK(prefswindow->notebook),
 729                                         page->widget);
 730         gtk_notebook_set_current_page(GTK_NOTEBOOK(prefswindow->notebook),
 731                                       pagenum);
 732
 733         adj = gtk_scrolled_window_get_vadjustment(
 734                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2));
 735         gtk_adjustment_set_value(adj, adj->lower);
 736         gtk_adjustment_changed(adj);
 737         adj = gtk_scrolled_window_get_hadjustment(
 738                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2));
 739         gtk_adjustment_set_value(adj, adj->lower);
 740         gtk_adjustment_changed(adj);
 741
 742 #ifdef GENERIC_UMPC
 743         prefs_show_page(prefswindow);
 744 #endif
 745         return TRUE;
 746 }
 747