26bfc60e005682f4cb3c51e5a4c7bdae9746e9f6
[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
322         for (cur = prefs_pages, index = 0; cur != NULL; cur = g_slist_next(cur), index++) {
323                 PrefsPage *page = (PrefsPage *)cur->data;
324                 FindNodeByName find_name;
325                 GtkTreeIter node, child;
326                 PrefsTreeNode *prefs_node;
327                 int i;
328
329                 /* each page tree component string */
330                 for (i = 0; page->path[i] != NULL; i++) {
331                         find_name.found = FALSE;
332                         find_name.name  = page->path[i];
333                         
334                         /* find node to attach to 
335                          * FIXME: we search the entire tree, so this is suboptimal... */
336                         gtk_tree_model_foreach(GTK_TREE_MODEL(store), 
337                                                (GtkTreeModelForeachFunc) find_node_by_name,
338                                                &find_name);
339                         if (find_name.found) {
340                                 node = find_name.node;
341                                 gtk_tree_model_get(GTK_TREE_MODEL(store), &node,
342                                                    PREFS_PAGE_DATA, &prefs_node,
343                                                    -1);
344                         } else {
345                                 GAuto *autoptr; 
346                         
347                                 /* create a new top level */
348                                 gtk_tree_store_append(store, &child, i == 0 ? NULL : &node);
349                                 prefs_node = g_new0(PrefsTreeNode, 1);
350                                 autoptr = g_auto_pointer_new(prefs_node);
351                                 gtk_tree_store_set(store, &child,
352                                                    PREFS_PAGE_TITLE, page->path[i],
353                                                    PREFS_PAGE_DATA,  prefs_node,
354                                                    PREFS_PAGE_DATA_AUTO_FREE, autoptr,
355                                                    PREFS_PAGE_INDEX, index,
356                                                    PREFS_PAGE_WEIGHT, 0.0f,
357                                                    -1);
358                                 g_auto_pointer_free(autoptr);
359                                 node = child;
360                         }
361                 }
362
363                 /* right now we have a node and its prefs_node */
364                 prefs_node->page = page;
365
366                 /* parents "inherit" the max weight of the children */
367                 do {
368                         gfloat f;
369                         
370                         gtk_tree_model_get(GTK_TREE_MODEL(store), &node, 
371                                            PREFS_PAGE_WEIGHT, &f,
372                                            -1);
373                         if (page->weight > f) {
374                                 f = page->weight;
375                                 gtk_tree_store_set(store, &node,
376                                                    PREFS_PAGE_WEIGHT, f,
377                                                    -1);
378                         }       
379                         child = node;   
380                 } while (gtk_tree_model_iter_parent(GTK_TREE_MODEL(store),      
381                                                     &node, &child));
382         }
383
384         gtk_tree_view_expand_all(GTK_TREE_VIEW(tree_view));
385
386         /* set sort func & sort */
387         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(store),
388                                         PREFS_PAGE_WEIGHT,
389                                         prefswindow_tree_sort_by_weight,
390                                         NULL, NULL);
391         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
392                                              PREFS_PAGE_WEIGHT,
393                                              GTK_SORT_DESCENDING);
394
395         if (preload_pages)
396                 prefswindow_build_all_pages(prefswindow, prefs_pages);
397
398         /* select first one or its first child if necessary */
399 #ifndef MAEMO
400         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree_view));
401         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter)) {
402                 if (activate_child && gtk_tree_model_iter_has_child(GTK_TREE_MODEL(store), &iter)) {
403                         GtkTreeIter parent = iter;
404                         if (!gtk_tree_model_iter_children(GTK_TREE_MODEL(store), &iter, &parent))
405                                 iter = parent;
406                 }
407                 gtk_tree_selection_select_iter(selection, &iter);
408         }
409 #endif
410 }
411
412 void prefswindow_open_full(const gchar *title, GSList *prefs_pages,
413                                                          gpointer data, GtkDestroyNotify func,
414                                                          gint *save_width, gint *save_height,
415                                                          gboolean preload_pages, gboolean activate_child)
416 {
417         PrefsWindow *prefswindow;
418         gint x = gdk_screen_width();
419         gint y = gdk_screen_height();
420         static GdkGeometry geometry;
421         GtkAdjustment *adj;
422
423         prefswindow = g_new0(PrefsWindow, 1);
424
425         prefswindow->data = data;
426         prefswindow->func = func;
427         prefswindow->prefs_pages = g_slist_copy(prefs_pages);
428         prefswindow->save_width = save_width;
429         prefswindow->save_height = save_height;
430
431         prefswindow->window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefswindow");
432         gtk_window_set_title(GTK_WINDOW(prefswindow->window), title);
433
434         gtk_window_set_position (GTK_WINDOW(prefswindow->window), GTK_WIN_POS_CENTER);
435         gtk_window_set_modal (GTK_WINDOW (prefswindow->window), TRUE);
436         gtk_window_set_resizable (GTK_WINDOW(prefswindow->window), TRUE);
437         gtk_container_set_border_width(GTK_CONTAINER(prefswindow->window), 4);
438
439         prefswindow->vbox = gtk_vbox_new(FALSE, 6);
440         gtk_widget_show(prefswindow->vbox);
441         
442         prefswindow->paned = gtk_hpaned_new();
443         gtk_widget_show(prefswindow->paned);
444
445         gtk_container_add(GTK_CONTAINER(prefswindow->window), prefswindow->vbox);
446
447         gtk_box_pack_start(GTK_BOX(prefswindow->vbox), prefswindow->paned, TRUE, TRUE, 0);
448
449         prefswindow->scrolledwindow1 = gtk_scrolled_window_new(NULL, NULL);
450         gtk_widget_show(prefswindow->scrolledwindow1);
451         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow1),
452                         GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
453                         
454         gtk_paned_add1(GTK_PANED(prefswindow->paned), prefswindow->scrolledwindow1);
455
456         prefswindow->tree_view = prefswindow_tree_view_create(prefswindow);
457         gtk_widget_show(prefswindow->tree_view);
458         gtk_container_add(GTK_CONTAINER(prefswindow->scrolledwindow1), 
459                           prefswindow->tree_view);
460
461         prefswindow->frame = gtk_frame_new(NULL);
462         gtk_widget_show(prefswindow->frame);
463         gtk_frame_set_shadow_type(GTK_FRAME(prefswindow->frame), GTK_SHADOW_IN);
464
465         gtk_paned_add2(GTK_PANED(prefswindow->paned), prefswindow->frame);
466
467         prefswindow->table2 = gtk_table_new(1, 2, FALSE);
468         gtk_widget_show(prefswindow->table2);
469         gtk_container_add(GTK_CONTAINER(prefswindow->frame), prefswindow->table2);
470
471         prefswindow->labelframe = gtk_frame_new(NULL);
472         gtk_widget_show(prefswindow->labelframe);
473         gtk_frame_set_shadow_type(GTK_FRAME(prefswindow->labelframe), GTK_SHADOW_OUT);
474         gtk_table_attach(GTK_TABLE(prefswindow->table2), prefswindow->labelframe,
475                         0, 1, 0, 1, GTK_FILL | GTK_EXPAND, GTK_FILL, 1, 1);
476
477         prefswindow->pagelabel = gtk_label_new("");
478         gtk_widget_show(prefswindow->pagelabel);
479         gtk_label_set_justify(GTK_LABEL(prefswindow->pagelabel), GTK_JUSTIFY_LEFT);
480         gtk_misc_set_alignment(GTK_MISC(prefswindow->pagelabel), 0, 0.0);
481         gtk_container_add(GTK_CONTAINER(prefswindow->labelframe), prefswindow->pagelabel);
482
483         prefswindow->scrolledwindow2 = gtk_scrolled_window_new(NULL, NULL);
484         gtk_widget_show(prefswindow->scrolledwindow2);
485         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2),
486                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
487
488         prefswindow->notebook = gtk_notebook_new();
489         gtk_widget_show(prefswindow->notebook);
490         gtk_notebook_set_scrollable(GTK_NOTEBOOK(prefswindow->notebook), TRUE);
491         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(prefswindow->notebook), FALSE);
492         gtk_notebook_set_show_border(GTK_NOTEBOOK(prefswindow->notebook), FALSE);
493         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2),
494                                         prefswindow->notebook);
495         gtk_table_attach(GTK_TABLE(prefswindow->table2), prefswindow->scrolledwindow2,
496                         0, 1, 1, 2, GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 8, 8);
497
498         prefswindow->empty_page = gtk_label_new("");
499         gtk_widget_show(prefswindow->empty_page);
500         gtk_container_add(GTK_CONTAINER(prefswindow->notebook), prefswindow->empty_page);
501
502         prefswindow_build_tree(prefswindow->tree_view, prefs_pages, prefswindow,
503                                                         preload_pages, activate_child);
504
505         gtk_widget_grab_focus(prefswindow->tree_view);
506
507 #ifndef MAEMO
508         gtkut_stock_button_set_create(&prefswindow->confirm_area,
509                                       &prefswindow->apply_btn,  GTK_STOCK_APPLY,
510                                       &prefswindow->cancel_btn, GTK_STOCK_CANCEL,
511                                       &prefswindow->ok_btn,     GTK_STOCK_OK);
512 #else
513         gtkut_stock_button_set_create(&prefswindow->confirm_area,
514                                       &prefswindow->apply_btn,  GTK_STOCK_APPLY,
515                                       &prefswindow->ok_btn,     GTK_STOCK_CLOSE,
516                                       NULL,                     NULL);
517 #endif
518         gtk_widget_show_all(prefswindow->confirm_area);
519         gtk_widget_show(prefswindow->vbox);
520         gtk_widget_show(prefswindow->scrolledwindow1);
521         gtk_widget_show(prefswindow->scrolledwindow2);
522
523         gtk_box_pack_start(GTK_BOX(prefswindow->vbox), prefswindow->confirm_area, FALSE, FALSE, 0);
524
525 #ifndef MAEMO
526         g_signal_connect(G_OBJECT(prefswindow->ok_btn), "clicked", 
527                          G_CALLBACK(ok_button_clicked), prefswindow);
528         g_signal_connect(G_OBJECT(prefswindow->cancel_btn), "clicked", 
529                          G_CALLBACK(cancel_button_clicked), prefswindow);
530         g_signal_connect(G_OBJECT(prefswindow->apply_btn), "clicked", 
531                          G_CALLBACK(apply_button_clicked), prefswindow);
532 #else
533         g_signal_connect(G_OBJECT(prefswindow->ok_btn), "clicked", 
534                          G_CALLBACK(ok_button_clicked), prefswindow);
535         g_signal_connect(G_OBJECT(prefswindow->apply_btn), "clicked", 
536                          G_CALLBACK(apply_button_clicked), prefswindow);
537 #endif
538
539         g_signal_connect(G_OBJECT(prefswindow->window), "delete_event", 
540                          G_CALLBACK(window_closed), prefswindow);
541
542 #ifdef MAEMO
543         maemo_connect_key_press_to_mainwindow(GTK_WINDOW(prefswindow->window));
544 #else
545         g_signal_connect(G_OBJECT(prefswindow->window), "key_press_event",
546                            G_CALLBACK(prefswindow_key_pressed), &(prefswindow->window));
547 #endif
548
549         /* connect to callback only if we hhave non-NULL pointers to store size to */
550         if (prefswindow->save_width && prefswindow->save_height) {
551                 g_signal_connect(G_OBJECT(prefswindow->window), "size_allocate",
552                                  G_CALLBACK(prefs_size_allocate_cb), prefswindow);
553         }
554
555         if (!geometry.min_height) {
556                 
557                 if (x < 800 && y < 600) {
558                         geometry.min_width = 600;
559                         geometry.min_height = 440;
560                 } else {
561                         geometry.min_width = 700;
562                         geometry.min_height = 550;
563                 }
564         }
565         gtk_window_set_geometry_hints(GTK_WINDOW(prefswindow->window), NULL, &geometry,
566                                       GDK_HINT_MIN_SIZE);
567         if (prefswindow->save_width && prefswindow->save_height) {
568                 gtk_widget_set_size_request(prefswindow->window, *(prefswindow->save_width),
569                                             *(prefswindow->save_height));
570         }
571
572 #ifdef MAEMO
573         prefs_show_sections(prefswindow);
574 #endif
575         gtk_widget_show(prefswindow->window);
576 #ifdef MAEMO
577         maemo_window_full_screen_if_needed(GTK_WINDOW(prefswindow->window));
578 #endif
579         adj = gtk_scrolled_window_get_vadjustment(
580                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow1));
581         gtk_adjustment_set_value(adj, adj->lower);
582         gtk_adjustment_changed(adj);
583         adj = gtk_scrolled_window_get_vadjustment(
584                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2));
585         gtk_adjustment_set_value(adj, adj->lower);
586         gtk_adjustment_changed(adj);
587         adj = gtk_scrolled_window_get_hadjustment(
588                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2));
589         gtk_adjustment_set_value(adj, adj->lower);
590         gtk_adjustment_changed(adj);
591 }
592
593 void prefswindow_open(const gchar *title, GSList *prefs_pages, gpointer data,
594                                          gint *save_width, gint *save_height)
595 {
596         prefswindow_open_full(title, prefs_pages, data, NULL, save_width, save_height,
597                                                   FALSE, FALSE);
598 }
599
600 /*!
601  *\brief        Save Gtk object size to prefs dataset
602  */
603 static void prefs_size_allocate_cb(GtkWidget *widget,
604                                          GtkAllocation *allocation, gpointer *user_data)
605 {
606         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
607
608         g_return_if_fail(allocation != NULL);
609
610         /* don't try to save size to NULL pointers */
611         if (prefswindow && prefswindow->save_width && prefswindow->save_height) {
612                 *(prefswindow->save_width) = allocation->width;
613                 *(prefswindow->save_height) = allocation->height;
614         }
615 }
616
617 static GtkTreeStore *prefswindow_create_data_store(void)
618 {
619         return gtk_tree_store_new(N_PREFS_PAGE_COLUMNS,
620                                   G_TYPE_STRING,
621                                   G_TYPE_POINTER,
622                                   G_TYPE_AUTO_POINTER,
623                                   G_TYPE_FLOAT,
624                                   G_TYPE_INT,
625                                   -1);
626 }
627
628 static GtkWidget *prefswindow_tree_view_create(PrefsWindow *prefswindow)
629 {
630         GtkTreeView *tree_view;
631         GtkTreeSelection *selector;
632         GtkTreeModel *model;
633
634         model = GTK_TREE_MODEL(prefswindow_create_data_store());
635         tree_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
636         g_object_unref(model);
637         gtk_tree_view_set_rules_hint(tree_view, prefs_common.use_stripes_everywhere);
638         
639         selector = gtk_tree_view_get_selection(tree_view);
640         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
641         gtk_tree_selection_set_select_function(selector, prefswindow_row_selected,
642                                                prefswindow, NULL);
643
644         /* create the columns */
645         prefs_filtering_create_tree_view_columns(GTK_WIDGET(tree_view));
646
647         return GTK_WIDGET(tree_view);
648 }
649
650 static void prefs_filtering_create_tree_view_columns(GtkWidget *tree_view)
651 {
652         GtkTreeViewColumn *column;
653         GtkCellRenderer *renderer;
654
655         renderer = gtk_cell_renderer_text_new();
656         column = gtk_tree_view_column_new_with_attributes
657                 (_("Page Index"),
658                  renderer,
659                  "text", PREFS_PAGE_TITLE,
660                  NULL);
661         gtk_tree_view_append_column(GTK_TREE_VIEW(tree_view), column);          
662 }
663
664 static gboolean prefswindow_row_selected(GtkTreeSelection *selector,
665                                          GtkTreeModel *model, 
666                                          GtkTreePath *path,
667                                          gboolean currently_selected,
668                                          gpointer data)
669 {
670         PrefsTreeNode *prefsnode;
671         PrefsPage *page;
672         PrefsWindow *prefswindow = (PrefsWindow *) data;
673         gchar *labeltext;
674         gint pagenum, i;
675         GtkTreeIter iter;
676         GtkAdjustment *adj;
677
678 #ifndef MAEMO
679         if (currently_selected) 
680                 return TRUE;
681 #endif
682         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
683                 return TRUE;
684
685         gtk_tree_model_get(model, &iter, PREFS_PAGE_DATA, &prefsnode, -1);
686         page = prefsnode->page;
687
688         debug_print("%f\n", prefsnode->treeweight);
689
690         if (page == NULL) {
691                 gtk_label_set_text(GTK_LABEL(prefswindow->pagelabel), "");
692                 pagenum = gtk_notebook_page_num(GTK_NOTEBOOK(prefswindow->notebook),
693                                                 prefswindow->empty_page);
694                 gtk_notebook_set_current_page(GTK_NOTEBOOK(prefswindow->notebook),
695                                               pagenum);
696                 return TRUE;
697         }
698
699         if (!page->page_open) {
700                 page->create_widget(page, GTK_WINDOW(prefswindow->window), prefswindow->data);
701                 gtk_container_add(GTK_CONTAINER(prefswindow->notebook), page->widget);
702                 page->page_open = TRUE;
703         }
704
705         i = 0;
706         while (page->path[i + 1] != 0)
707                 i++;
708         labeltext = page->path[i];
709
710         gtk_label_set_text(GTK_LABEL(prefswindow->pagelabel), labeltext);
711
712         pagenum = gtk_notebook_page_num(GTK_NOTEBOOK(prefswindow->notebook),
713                                         page->widget);
714         gtk_notebook_set_current_page(GTK_NOTEBOOK(prefswindow->notebook),
715                                       pagenum);
716
717         adj = gtk_scrolled_window_get_vadjustment(
718                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2));
719         gtk_adjustment_set_value(adj, adj->lower);
720         gtk_adjustment_changed(adj);
721         adj = gtk_scrolled_window_get_hadjustment(
722                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow2));
723         gtk_adjustment_set_value(adj, adj->lower);
724         gtk_adjustment_changed(adj);
725
726 #ifdef MAEMO
727         prefs_show_page(prefswindow);
728 #endif
729         return TRUE;
730 }
731