7f968db7590ba4f2d4618bf2a535a552583392f1
[claws.git] / 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 *frame;
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
68         GtkWidget *empty_page;
69
70         gpointer         data;
71         GSList          *prefs_pages;
72         GtkDestroyNotify func;
73 };
74
75 struct _PrefsTreeNode
76 {
77         PrefsPage *page;
78         gfloat     treeweight; /* GTK2: not used */
79 };
80
81 static void prefs_size_allocate_cb(GtkWidget *widget,
82                                                          GtkAllocation *allocation, gpointer *user_data);
83 static GtkTreeStore *prefswindow_create_data_store      (void);
84 static GtkWidget *prefswindow_tree_view_create          (PrefsWindow* prefswindow);
85 static void prefs_filtering_create_tree_view_columns    (GtkWidget *tree_view);
86 static gboolean prefswindow_row_selected                (GtkTreeSelection *selector,
87                                                          GtkTreeModel *model, 
88                                                          GtkTreePath *path,
89                                                          gboolean currently_selected,
90                                                          gpointer data);
91
92 static void save_all_pages(GSList *prefs_pages)
93 {
94         GSList *cur;
95
96         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
97                 PrefsPage *page = (PrefsPage *) cur->data;
98
99                 if (page->page_open) {
100                         page->save_page(page);
101                 }
102         }
103 }
104
105 static gboolean query_can_close_all_pages(GSList *prefs_pages)
106 {
107         GSList *cur;
108
109         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
110                 PrefsPage *page = (PrefsPage *) cur->data;
111
112                 if (page->can_close)
113                         if (!page->can_close(page))
114                                 return FALSE;
115         }
116         return TRUE;
117 }
118
119 static void close_all_pages(GSList *prefs_pages)
120 {
121         GSList *cur;
122
123         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
124                 PrefsPage *page = (PrefsPage *) cur->data;
125
126                 if (page->page_open) {
127                         page->destroy_widget(page);
128                         page->page_open = FALSE;
129                 }
130         }       
131 }
132
133 #ifdef MAEMO
134 static void prefs_show_sections(PrefsWindow *prefswindow)
135 {
136         gint max;
137         GtkWidget *paned = prefswindow->paned;
138         
139         g_object_get (G_OBJECT(paned),
140                         "max-position",
141                         &max, NULL);
142
143         gtk_widget_show(gtk_paned_get_child1(GTK_PANED(paned)));
144         gtk_widget_hide(gtk_paned_get_child2(GTK_PANED(paned)));
145         gtk_paned_set_position(GTK_PANED(paned), max);
146 }
147
148 static void prefs_show_page(PrefsWindow *prefswindow)
149 {
150         gint min;
151         GtkWidget *paned = prefswindow->paned;
152         
153         g_object_get (G_OBJECT(paned),
154                         "min-position",
155                         &min, NULL);
156
157         gtk_widget_hide(gtk_paned_get_child1(GTK_PANED(paned)));
158         gtk_widget_show(gtk_paned_get_child2(GTK_PANED(paned)));
159         gtk_paned_set_position(GTK_PANED(paned), min);
160 }
161 #endif
162
163 static void apply_button_clicked(GtkButton *button, gpointer user_data)
164 {
165         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
166
167         save_all_pages(prefswindow->prefs_pages);
168 #ifdef MAEMO
169         prefs_show_sections(prefswindow);
170 #endif
171 }
172
173 static void close_prefs_window(PrefsWindow *prefswindow)
174 {
175         debug_print("prefs window closed\n");
176
177         close_all_pages(prefswindow->prefs_pages);
178
179         gtk_widget_destroy(prefswindow->window);
180         g_slist_free(prefswindow->prefs_pages);
181         if(prefswindow->func != NULL)
182                 prefswindow->func(prefswindow->data);
183         g_free(prefswindow);
184 }
185
186 static void ok_button_clicked(GtkButton *button, gpointer user_data)
187 {
188         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
189
190         if (query_can_close_all_pages(prefswindow->prefs_pages)) {
191                 save_all_pages(prefswindow->prefs_pages);
192                 close_prefs_window(prefswindow);
193         }               
194 }
195
196 static void cancel_button_clicked(GtkButton *button, gpointer user_data)
197 {
198         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
199
200         close_prefs_window(prefswindow);
201 }
202
203 static gboolean window_closed(GtkWidget *widget, GdkEvent *event, gpointer user_data)
204 {
205         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
206
207 #ifdef MAEMO
208         save_all_pages(prefswindow->prefs_pages);
209 #endif
210         close_prefs_window(prefswindow);
211
212         return FALSE;
213 }
214
215 static gboolean prefswindow_key_pressed(GtkWidget *widget, GdkEventKey *event,
216                                     PrefsWindow *data)
217 {
218         GtkWidget *focused_child;
219
220         if (event) {
221                 switch (event->keyval) {
222                         case GDK_Escape :
223 #ifndef MAEMO
224                                 cancel_button_clicked(NULL, data);
225 #else
226                                 ok_button_clicked(NULL, data);
227 #endif
228                                 break;
229                         case GDK_Return : 
230                         case GDK_KP_Enter :
231                                 focused_child = gtkut_get_focused_child
232                                         (GTK_CONTAINER(data->notebook));
233                                 /* Press ok, if the focused child is not a text view
234                                  * and text (anything that accepts return) (can pass
235                                  * NULL to any of the GTK_xxx() casts) */
236                                 if (!GTK_IS_TEXT_VIEW(focused_child))
237                                         ok_button_clicked(NULL, data);
238                                 break;
239                         default:
240                                 break;
241                 }
242         }
243         return FALSE;
244 }
245
246 typedef struct FindNodeByName {
247         const gchar *name;
248         gboolean     found;
249         GtkTreeIter  node;
250 } FindNodeByName;
251
252 static gboolean find_node_by_name(GtkTreeModel *model, GtkTreePath *path,
253                                   GtkTreeIter *iter, FindNodeByName *data)
254 {
255         gchar *name;
256         gboolean result = FALSE;
257
258         gtk_tree_model_get(model, iter, PREFS_PAGE_TITLE, &name, -1);
259         if (name) {
260                 result = strcmp(name, data->name) == 0;
261                 if (result) {
262                         data->found = TRUE;
263                         data->node  = *iter;
264                 }                       
265                 g_free(name);
266         }
267         
268         return result;
269 }
270
271 static gint prefswindow_tree_sort_by_weight(GtkTreeModel *model, 
272                                             GtkTreeIter  *a,
273                                             GtkTreeIter  *b,
274                                             gpointer      context)
275 {
276         gfloat f1, f2;
277         gint i1, i2;
278
279         /* From observation sorting should keep in account the original
280          * order in the prefs_pages list. I.e. if equal weight, prefer 
281          * the index in the pages list */ 
282         gtk_tree_model_get(model, a, 
283                            PREFS_PAGE_INDEX,  &i1,
284                            PREFS_PAGE_WEIGHT, &f1, -1);
285         gtk_tree_model_get(model, b, 
286                            PREFS_PAGE_INDEX,  &i2,
287                            PREFS_PAGE_WEIGHT, &f2, -1);
288
289         return f1 < f2 ? -1 : (f1 > f2 ?  1 : 
290               (i1 < i2 ?  1 : (i1 > i2 ? -1 : 0)));
291 }
292                                   
293 static void prefswindow_build_all_pages(PrefsWindow *prefswindow, GSList *prefs_pages)
294 {
295         GSList *cur;
296
297         prefs_pages = g_slist_reverse(prefs_pages);
298         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
299                 PrefsPage *page = (PrefsPage *) cur->data;
300
301                 if (!page->page_open) {
302                         page->create_widget(page, GTK_WINDOW(prefswindow->window), prefswindow->data);
303                         gtk_container_add(GTK_CONTAINER(prefswindow->notebook), page->widget);
304                         page->page_open = TRUE;
305                 }
306         }
307         prefs_pages = g_slist_reverse(prefs_pages);
308 }
309
310 static void prefswindow_build_tree(GtkWidget *tree_view, GSList *prefs_pages,
311                                                                         PrefsWindow *prefswindow,
312                                                                         gboolean preload_pages,
313                                                                         gboolean activate_child)
314 {
315         GtkTreeStore *store = GTK_TREE_STORE(gtk_tree_view_get_model
316                         (GTK_TREE_VIEW(tree_view)));
317         GSList *cur;
318         gint index; /* index in pages list */
319         GtkTreeSelection *selection;
320         GtkTreeIter iter;
321         GtkAdjustment *adj;
322
323         for (cur = prefs_pages, index = 0; cur != NULL; cur = g_slist_next(cur), index++) {
324                 PrefsPage *page = (PrefsPage *)cur->data;
325                 FindNodeByName find_name;
326                 GtkTreeIter node, child;
327                 PrefsTreeNode *prefs_node;
328                 int i;
329
330                 /* each page tree component string */
331                 for (i = 0; page->path[i] != NULL; i++) {
332                         find_name.found = FALSE;
333                         find_name.name  = page->path[i];
334                         
335                         /* find node to attach to 
336                          * FIXME: we search the entire tree, so this is suboptimal... */
337                         gtk_tree_model_foreach(GTK_TREE_MODEL(store), 
338                                                (GtkTreeModelForeachFunc) find_node_by_name,
339                                                &find_name);
340                         if (find_name.found) {
341                                 node = find_name.node;
342                                 gtk_tree_model_get(GTK_TREE_MODEL(store), &node,
343                                                    PREFS_PAGE_DATA, &prefs_node,
344                                                    -1);
345                         } else {
346                                 GAuto *autoptr; 
347                         
348                                 /* create a new top level */
349                                 gtk_tree_store_append(store, &child, i == 0 ? NULL : &node);
350                                 prefs_node = g_new0(PrefsTreeNode, 1);
351                                 autoptr = g_auto_pointer_new(prefs_node);
352                                 gtk_tree_store_set(store, &child,
353                                                    PREFS_PAGE_TITLE, page->path[i],
354                                                    PREFS_PAGE_DATA,  prefs_node,
355                                                    PREFS_PAGE_DATA_AUTO_FREE, autoptr,
356                                                    PREFS_PAGE_INDEX, index,
357                                                    PREFS_PAGE_WEIGHT, 0.0f,
358                                                    -1);
359                                 g_auto_pointer_free(autoptr);
360                                 node = child;
361                         }
362                 }
363
364                 /* right now we have a node and its prefs_node */
365                 prefs_node->page = page;
366
367                 /* parents "inherit" the max weight of the children */
368                 do {
369                         gfloat f;
370                         
371                         gtk_tree_model_get(GTK_TREE_MODEL(store), &node, 
372                                            PREFS_PAGE_WEIGHT, &f,
373                                            -1);
374                         if (page->weight > f) {
375                                 f = page->weight;
376                                 gtk_tree_store_set(store, &node,
377                                                    PREFS_PAGE_WEIGHT, f,
378                                                    -1);
379                         }       
380                         child = node;   
381                 } while (gtk_tree_model_iter_parent(GTK_TREE_MODEL(store),      
382                                                     &node, &child));
383         }
384
385         gtk_tree_view_expand_all(GTK_TREE_VIEW(tree_view));
386
387         /* set sort func & sort */
388         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(store),
389                                         PREFS_PAGE_WEIGHT,
390                                         prefswindow_tree_sort_by_weight,
391                                         NULL, NULL);
392         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
393                                              PREFS_PAGE_WEIGHT,
394                                              GTK_SORT_DESCENDING);
395
396         if (preload_pages)
397                 prefswindow_build_all_pages(prefswindow, prefs_pages);
398
399         /* select first one or its first child if necessary */
400 #ifndef MAEMO
401         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree_view));
402         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter)) {
403                 if (activate_child && gtk_tree_model_iter_has_child(GTK_TREE_MODEL(store), &iter)) {
404                         GtkTreeIter parent = iter;
405                         if (!gtk_tree_model_iter_children(GTK_TREE_MODEL(store), &iter, &parent))
406                                 iter = parent;
407                 }
408                 gtk_tree_selection_select_iter(selection, &iter);
409         }
410 #endif
411         adj = gtk_scrolled_window_get_vadjustment(
412                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow1));
413         gtk_adjustment_set_value(adj, 0);
414         adj = gtk_scrolled_window_get_vadjustment(
415                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2));
416         gtk_adjustment_set_value(adj, 0);
417         adj = gtk_scrolled_window_get_hadjustment(
418                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2));
419         gtk_adjustment_set_value(adj, 0);
420 }
421
422 void prefswindow_open_full(const gchar *title, GSList *prefs_pages,
423                                                          gpointer data, GtkDestroyNotify func,
424                                                          gint *save_width, gint *save_height,
425                                                          gboolean preload_pages, gboolean activate_child)
426 {
427         PrefsWindow *prefswindow;
428         gint x = gdk_screen_width();
429         gint y = gdk_screen_height();
430         static GdkGeometry geometry;
431
432         prefswindow = g_new0(PrefsWindow, 1);
433
434         prefswindow->data = data;
435         prefswindow->func = func;
436         prefswindow->prefs_pages = g_slist_copy(prefs_pages);
437         prefswindow->save_width = save_width;
438         prefswindow->save_height = save_height;
439
440         prefswindow->window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefswindow");
441         gtk_window_set_title(GTK_WINDOW(prefswindow->window), title);
442
443         gtk_window_set_position (GTK_WINDOW(prefswindow->window), GTK_WIN_POS_CENTER);
444         gtk_window_set_modal (GTK_WINDOW (prefswindow->window), TRUE);
445         gtk_window_set_resizable (GTK_WINDOW(prefswindow->window), TRUE);
446         gtk_container_set_border_width(GTK_CONTAINER(prefswindow->window), 4);
447
448         prefswindow->vbox = gtk_vbox_new(FALSE, 6);
449         gtk_widget_show(prefswindow->vbox);
450         
451         prefswindow->paned = gtk_hpaned_new();
452         gtk_widget_show(prefswindow->paned);
453
454         gtk_container_add(GTK_CONTAINER(prefswindow->window), prefswindow->vbox);
455
456         gtk_box_pack_start(GTK_BOX(prefswindow->vbox), prefswindow->paned, TRUE, TRUE, 0);
457
458         prefswindow->scrolledwindow1 = gtk_scrolled_window_new(NULL, NULL);
459         gtk_widget_show(prefswindow->scrolledwindow1);
460         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow1),
461                         GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
462                         
463         gtk_paned_add1(GTK_PANED(prefswindow->paned), prefswindow->scrolledwindow1);
464
465         prefswindow->tree_view = prefswindow_tree_view_create(prefswindow);
466         gtk_widget_show(prefswindow->tree_view);
467         gtk_container_add(GTK_CONTAINER(prefswindow->scrolledwindow1), 
468                           prefswindow->tree_view);
469
470         prefswindow->frame = gtk_frame_new(NULL);
471         gtk_widget_show(prefswindow->frame);
472         gtk_frame_set_shadow_type(GTK_FRAME(prefswindow->frame), GTK_SHADOW_IN);
473
474         gtk_paned_add2(GTK_PANED(prefswindow->paned), prefswindow->frame);
475
476         prefswindow->table2 = gtk_table_new(1, 2, FALSE);
477         gtk_widget_show(prefswindow->table2);
478         gtk_container_add(GTK_CONTAINER(prefswindow->frame), 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         gtk_table_attach(GTK_TABLE(prefswindow->table2), prefswindow->scrolledwindow2,
505                         0, 1, 1, 2, GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 8, 8);
506
507         prefswindow->empty_page = gtk_label_new("");
508         gtk_widget_show(prefswindow->empty_page);
509         gtk_container_add(GTK_CONTAINER(prefswindow->notebook), prefswindow->empty_page);
510
511         prefswindow_build_tree(prefswindow->tree_view, prefs_pages, prefswindow,
512                                                         preload_pages, activate_child);
513
514         gtk_widget_grab_focus(prefswindow->tree_view);
515
516 #ifndef MAEMO
517         gtkut_stock_button_set_create(&prefswindow->confirm_area,
518                                       &prefswindow->apply_btn,  GTK_STOCK_APPLY,
519                                       &prefswindow->cancel_btn, GTK_STOCK_CANCEL,
520                                       &prefswindow->ok_btn,     GTK_STOCK_OK);
521 #else
522         gtkut_stock_button_set_create(&prefswindow->confirm_area,
523                                       &prefswindow->apply_btn,  GTK_STOCK_APPLY,
524                                       &prefswindow->ok_btn,     GTK_STOCK_CLOSE,
525                                       NULL,                     NULL);
526 #endif
527         gtk_widget_show_all(prefswindow->confirm_area);
528         gtk_widget_show(prefswindow->vbox);
529         gtk_widget_show(prefswindow->scrolledwindow1);
530         gtk_widget_show(prefswindow->scrolledwindow2);
531
532         gtk_box_pack_start(GTK_BOX(prefswindow->vbox), prefswindow->confirm_area, FALSE, FALSE, 0);
533
534 #ifndef MAEMO
535         g_signal_connect(G_OBJECT(prefswindow->ok_btn), "clicked", 
536                          G_CALLBACK(ok_button_clicked), prefswindow);
537         g_signal_connect(G_OBJECT(prefswindow->cancel_btn), "clicked", 
538                          G_CALLBACK(cancel_button_clicked), prefswindow);
539         g_signal_connect(G_OBJECT(prefswindow->apply_btn), "clicked", 
540                          G_CALLBACK(apply_button_clicked), prefswindow);
541 #else
542         g_signal_connect(G_OBJECT(prefswindow->ok_btn), "clicked", 
543                          G_CALLBACK(ok_button_clicked), prefswindow);
544         g_signal_connect(G_OBJECT(prefswindow->apply_btn), "clicked", 
545                          G_CALLBACK(apply_button_clicked), prefswindow);
546 #endif
547
548         g_signal_connect(G_OBJECT(prefswindow->window), "delete_event", 
549                          G_CALLBACK(window_closed), prefswindow);
550
551 #ifdef MAEMO
552         maemo_connect_key_press_to_mainwindow(GTK_WINDOW(prefswindow->window));
553 #else
554         g_signal_connect(G_OBJECT(prefswindow->window), "key_press_event",
555                            G_CALLBACK(prefswindow_key_pressed), &(prefswindow->window));
556 #endif
557
558         /* connect to callback only if we hhave non-NULL pointers to store size to */
559         if (prefswindow->save_width && prefswindow->save_height) {
560                 g_signal_connect(G_OBJECT(prefswindow->window), "size_allocate",
561                                  G_CALLBACK(prefs_size_allocate_cb), prefswindow);
562         }
563
564         if (!geometry.min_height) {
565                 
566                 if (x < 800 && y < 600) {
567                         geometry.min_width = 600;
568                         geometry.min_height = 440;
569                 } else {
570                         geometry.min_width = 700;
571                         geometry.min_height = 550;
572                 }
573         }
574         gtk_window_set_geometry_hints(GTK_WINDOW(prefswindow->window), NULL, &geometry,
575                                       GDK_HINT_MIN_SIZE);
576         if (prefswindow->save_width && prefswindow->save_height) {
577                 gtk_widget_set_size_request(prefswindow->window, *(prefswindow->save_width),
578                                             *(prefswindow->save_height));
579         }
580
581 #ifdef MAEMO
582         prefs_show_sections(prefswindow);
583 #endif
584         gtk_widget_show(prefswindow->window);
585 #ifdef MAEMO
586         maemo_window_full_screen_if_needed(GTK_WINDOW(prefswindow->window));
587 #endif
588 }
589
590 void prefswindow_open(const gchar *title, GSList *prefs_pages, gpointer data,
591                                          gint *save_width, gint *save_height)
592 {
593         prefswindow_open_full(title, prefs_pages, data, NULL, save_width, save_height,
594                                                   FALSE, FALSE);
595 }
596
597 /*!
598  *\brief        Save Gtk object size to prefs dataset
599  */
600 static void prefs_size_allocate_cb(GtkWidget *widget,
601                                          GtkAllocation *allocation, gpointer *user_data)
602 {
603         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
604
605         g_return_if_fail(allocation != NULL);
606
607         /* don't try to save size to NULL pointers */
608         if (prefswindow && prefswindow->save_width && prefswindow->save_height) {
609                 *(prefswindow->save_width) = allocation->width;
610                 *(prefswindow->save_height) = allocation->height;
611         }
612 }
613
614 static GtkTreeStore *prefswindow_create_data_store(void)
615 {
616         return gtk_tree_store_new(N_PREFS_PAGE_COLUMNS,
617                                   G_TYPE_STRING,
618                                   G_TYPE_POINTER,
619                                   G_TYPE_AUTO_POINTER,
620                                   G_TYPE_FLOAT,
621                                   G_TYPE_INT,
622                                   -1);
623 }
624
625 static GtkWidget *prefswindow_tree_view_create(PrefsWindow *prefswindow)
626 {
627         GtkTreeView *tree_view;
628         GtkTreeSelection *selector;
629         GtkTreeModel *model;
630
631         model = GTK_TREE_MODEL(prefswindow_create_data_store());
632         tree_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
633         g_object_unref(model);
634         gtk_tree_view_set_rules_hint(tree_view, prefs_common.use_stripes_everywhere);
635         
636         selector = gtk_tree_view_get_selection(tree_view);
637         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
638         gtk_tree_selection_set_select_function(selector, prefswindow_row_selected,
639                                                prefswindow, NULL);
640
641         /* create the columns */
642         prefs_filtering_create_tree_view_columns(GTK_WIDGET(tree_view));
643
644         return GTK_WIDGET(tree_view);
645 }
646
647 static void prefs_filtering_create_tree_view_columns(GtkWidget *tree_view)
648 {
649         GtkTreeViewColumn *column;
650         GtkCellRenderer *renderer;
651
652         renderer = gtk_cell_renderer_text_new();
653         column = gtk_tree_view_column_new_with_attributes
654                 (_("Page Index"),
655                  renderer,
656                  "text", PREFS_PAGE_TITLE,
657                  NULL);
658         gtk_tree_view_append_column(GTK_TREE_VIEW(tree_view), column);          
659 }
660
661 static gboolean prefswindow_row_selected(GtkTreeSelection *selector,
662                                          GtkTreeModel *model, 
663                                          GtkTreePath *path,
664                                          gboolean currently_selected,
665                                          gpointer data)
666 {
667         PrefsTreeNode *prefsnode;
668         PrefsPage *page;
669         PrefsWindow *prefswindow = (PrefsWindow *) data;
670         gchar *labeltext;
671         gint pagenum, i;
672         GtkTreeIter iter;
673         GtkAdjustment *adj;
674
675 #ifndef MAEMO
676         if (currently_selected) 
677                 return TRUE;
678 #endif
679         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
680                 return TRUE;
681
682         gtk_tree_model_get(model, &iter, PREFS_PAGE_DATA, &prefsnode, -1);
683         page = prefsnode->page;
684
685         debug_print("%f\n", prefsnode->treeweight);
686
687         if (page == NULL) {
688                 gtk_label_set_text(GTK_LABEL(prefswindow->pagelabel), "");
689                 pagenum = gtk_notebook_page_num(GTK_NOTEBOOK(prefswindow->notebook),
690                                                 prefswindow->empty_page);
691                 gtk_notebook_set_current_page(GTK_NOTEBOOK(prefswindow->notebook),
692                                               pagenum);
693                 return TRUE;
694         }
695
696         if (!page->page_open) {
697                 page->create_widget(page, GTK_WINDOW(prefswindow->window), prefswindow->data);
698                 gtk_container_add(GTK_CONTAINER(prefswindow->notebook), page->widget);
699                 page->page_open = TRUE;
700         }
701
702         i = 0;
703         while (page->path[i + 1] != 0)
704                 i++;
705         labeltext = page->path[i];
706
707         gtk_label_set_text(GTK_LABEL(prefswindow->pagelabel), labeltext);
708
709         pagenum = gtk_notebook_page_num(GTK_NOTEBOOK(prefswindow->notebook),
710                                         page->widget);
711         gtk_notebook_set_current_page(GTK_NOTEBOOK(prefswindow->notebook),
712                                       pagenum);
713
714         adj = gtk_scrolled_window_get_vadjustment(
715                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2));
716         gtk_adjustment_set_value(adj, 0);
717         adj = gtk_scrolled_window_get_hadjustment(
718                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2));
719         gtk_adjustment_set_value(adj, 0);
720
721 #ifdef MAEMO
722         prefs_show_page(prefswindow);
723 #endif
724         return TRUE;
725 }
726