2011-08-30 [colin] 3.7.10cvs12
[claws.git] / src / gtk / prefswindow.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2011 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 <gdk/gdkkeysyms.h>
29
30 #include "utils.h"
31 #include "prefswindow.h"
32 #include "gtkutils.h"
33 #include "prefs_common.h"
34
35 enum { 
36         PREFS_PAGE_TITLE,               /* page title */
37         PREFS_PAGE_DATA,                /* PrefsTreeNode data */        
38         PREFS_PAGE_DATA_AUTO_FREE,      /* auto free for PREFS_PAGE_DATA */
39         PREFS_PAGE_WEIGHT,              /* weight */
40         PREFS_PAGE_INDEX,               /* index in original page list */
41         N_PREFS_PAGE_COLUMNS
42 };
43
44 typedef struct _PrefsWindow PrefsWindow;
45 typedef struct _PrefsTreeNode PrefsTreeNode;
46
47 struct _PrefsWindow
48 {
49         GtkWidget *window;
50         GtkWidget *vbox;
51         GtkWidget *paned;
52         GtkWidget *scrolledwindow1;
53         GtkWidget *tree_view;
54         GtkWidget *table2;
55         GtkWidget *pagelabel;
56         GtkWidget *labelframe;
57         GtkWidget *vbox2;
58         GtkWidget *notebook;
59         GtkWidget *confirm_area;
60         GtkWidget *ok_btn;
61         GtkWidget *cancel_btn;
62         GtkWidget *apply_btn;
63         gint *save_width;
64         gint *save_height;
65         PrefsCloseCallbackFunc open_cb;
66         PrefsCloseCallbackFunc close_cb;
67
68         GtkWidget *empty_page;
69
70         gpointer         data;
71         GSList          *prefs_pages;
72         GDestroyNotify 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 GENERIC_UMPC
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 GENERIC_UMPC
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         if (prefswindow->close_cb)
180                 prefswindow->close_cb(GTK_WINDOW(prefswindow->window));
181
182         gtk_widget_destroy(prefswindow->window);
183         g_slist_free(prefswindow->prefs_pages);
184         if(prefswindow->func != NULL)
185                 prefswindow->func(prefswindow->data);
186         g_free(prefswindow);
187 }
188
189 static void ok_button_clicked(GtkButton *button, gpointer user_data)
190 {
191         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
192
193         if (query_can_close_all_pages(prefswindow->prefs_pages)) {
194                 save_all_pages(prefswindow->prefs_pages);
195                 close_prefs_window(prefswindow);
196         }               
197 }
198 #ifndef MAEMO
199 static void cancel_button_clicked(GtkButton *button, gpointer user_data)
200 {
201         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
202
203         close_prefs_window(prefswindow);
204 }
205 #endif
206 static gboolean window_closed(GtkWidget *widget, GdkEvent *event, gpointer user_data)
207 {
208         PrefsWindow *prefswindow = (PrefsWindow *) user_data;
209
210 #ifdef GENERIC_UMPC
211         save_all_pages(prefswindow->prefs_pages);
212 #endif
213         close_prefs_window(prefswindow);
214
215         return FALSE;
216 }
217 #ifndef MAEMO
218 static gboolean prefswindow_key_pressed(GtkWidget *widget, GdkEventKey *event,
219                                     PrefsWindow *data)
220 {
221         GtkWidget *focused_child;
222
223         if (event) {
224                 switch (event->keyval) {
225                         case GDK_Escape :
226                                 cancel_button_clicked(NULL, data);
227                                 break;
228                         case GDK_Return : 
229                         case GDK_KP_Enter :
230                                 focused_child = gtkut_get_focused_child
231                                         (GTK_CONTAINER(data->notebook));
232                                 /* Press ok, if the focused child is not a text view
233                                  * and text (anything that accepts return) (can pass
234                                  * NULL to any of the GTK_xxx() casts) */
235                                 if (!GTK_IS_TEXT_VIEW(focused_child))
236                                         ok_button_clicked(NULL, data);
237                                 break;
238                         default:
239                                 break;
240                 }
241         }
242         return FALSE;
243 }
244 #endif
245 typedef struct FindNodeByName {
246         const gchar *name;
247         gboolean     found;
248         GtkTreeIter  node;
249 } FindNodeByName;
250
251 static gboolean find_node_by_name(GtkTreeModel *model, GtkTreePath *path,
252                                   GtkTreeIter *iter, FindNodeByName *data)
253 {
254         gchar *name;
255         gboolean result = FALSE;
256
257         gtk_tree_model_get(model, iter, PREFS_PAGE_TITLE, &name, -1);
258         if (name) {
259                 result = strcmp(name, data->name) == 0;
260                 if (result) {
261                         data->found = TRUE;
262                         data->node  = *iter;
263                 }                       
264                 g_free(name);
265         }
266         
267         return result;
268 }
269
270 static gint prefswindow_tree_sort_by_weight(GtkTreeModel *model, 
271                                             GtkTreeIter  *a,
272                                             GtkTreeIter  *b,
273                                             gpointer      context)
274 {
275         gfloat f1, f2;
276         gint i1, i2;
277
278         /* From observation sorting should keep in account the original
279          * order in the prefs_pages list. I.e. if equal weight, prefer 
280          * the index in the pages list */ 
281         gtk_tree_model_get(model, a, 
282                            PREFS_PAGE_INDEX,  &i1,
283                            PREFS_PAGE_WEIGHT, &f1, -1);
284         gtk_tree_model_get(model, b, 
285                            PREFS_PAGE_INDEX,  &i2,
286                            PREFS_PAGE_WEIGHT, &f2, -1);
287
288         return f1 < f2 ? -1 : (f1 > f2 ?  1 : 
289               (i1 < i2 ?  1 : (i1 > i2 ? -1 : 0)));
290 }
291
292 static void prefswindow_build_page(PrefsWindow *prefswindow, PrefsPage *page)
293 {
294         GtkWidget *scrolledwin, *tmp;
295
296         if (!page->page_open) {
297                 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
298                 gtk_widget_show(scrolledwin);
299                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
300                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
301                 
302                 page->create_widget(page, GTK_WINDOW(prefswindow->window), prefswindow->data);
303                 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolledwin),
304                                         page->widget);
305
306                 gtk_container_add(GTK_CONTAINER(prefswindow->notebook), scrolledwin);
307                 tmp = gtk_bin_get_child(GTK_BIN(scrolledwin));
308
309                 gtk_widget_realize(tmp);
310                 gtk_widget_realize(page->widget);
311                 
312                 page->widget    = scrolledwin;
313                 page->page_open = TRUE;
314         }
315 }
316
317 static void prefswindow_build_all_pages(PrefsWindow *prefswindow, GSList *prefs_pages)
318 {
319         GSList *cur;
320
321         prefs_pages = g_slist_reverse(prefs_pages);
322         for (cur = prefs_pages; cur != NULL; cur = g_slist_next(cur)) {
323                 PrefsPage *page = (PrefsPage *) cur->data;
324
325                 prefswindow_build_page(prefswindow, page);
326         }
327         prefs_pages = g_slist_reverse(prefs_pages);
328 }
329
330 static void prefswindow_build_tree(GtkWidget *tree_view, GSList *prefs_pages,
331                                                                         PrefsWindow *prefswindow,
332                                                                         gboolean preload_pages)
333 {
334         GtkTreeStore *store = GTK_TREE_STORE(gtk_tree_view_get_model
335                         (GTK_TREE_VIEW(tree_view)));
336         GSList *cur;
337         gint index; /* index in pages list */
338 #ifndef GENERIC_UMPC
339         GtkTreeSelection *selection;
340         GtkTreeIter iter;
341 #endif
342
343         for (cur = prefs_pages, index = 0; cur != NULL; cur = g_slist_next(cur), index++) {
344                 PrefsPage *page = (PrefsPage *)cur->data;
345                 FindNodeByName find_name;
346                 GtkTreeIter node, child;
347                 PrefsTreeNode *prefs_node;
348                 int i;
349
350                 /* each page tree component string */
351                 for (i = 0; page->path[i] != NULL; i++) {
352                         find_name.found = FALSE;
353                         find_name.name  = page->path[i];
354                         
355                         /* find node to attach to 
356                          * FIXME: we search the entire tree, so this is suboptimal... */
357                         gtk_tree_model_foreach(GTK_TREE_MODEL(store), 
358                                                (GtkTreeModelForeachFunc) find_node_by_name,
359                                                &find_name);
360                         if (find_name.found && page->path[i] != page->path[i-1]) {
361                                 node = find_name.node;
362                                 gtk_tree_model_get(GTK_TREE_MODEL(store), &node,
363                                                    PREFS_PAGE_DATA, &prefs_node,
364                                                    -1);
365                         } else {
366                                 GAuto *autoptr; 
367                         
368                                 /* create a new top level */
369                                 gtk_tree_store_append(store, &child, i == 0 ? NULL : &node);
370                                 prefs_node = g_new0(PrefsTreeNode, 1);
371                                 autoptr = g_auto_pointer_new(prefs_node);
372                                 gtk_tree_store_set(store, &child,
373                                                    PREFS_PAGE_TITLE, page->path[i],
374                                                    PREFS_PAGE_DATA,  prefs_node,
375                                                    PREFS_PAGE_DATA_AUTO_FREE, autoptr,
376                                                    PREFS_PAGE_INDEX, index,
377                                                    PREFS_PAGE_WEIGHT, 0.0f,
378                                                    -1);
379                                 g_auto_pointer_free(autoptr);
380                                 node = child;
381                         }
382                 }
383
384                 /* right now we have a node and its prefs_node */
385                 prefs_node->page = page;
386
387                 /* parents "inherit" the max weight of the children */
388                 do {
389                         gfloat f;
390                         
391                         gtk_tree_model_get(GTK_TREE_MODEL(store), &node, 
392                                            PREFS_PAGE_WEIGHT, &f,
393                                            -1);
394                         if (page->weight > f) {
395                                 f = page->weight;
396                                 gtk_tree_store_set(store, &node,
397                                                    PREFS_PAGE_WEIGHT, f,
398                                                    -1);
399                         }       
400                         child = node;   
401                 } while (gtk_tree_model_iter_parent(GTK_TREE_MODEL(store),      
402                                                     &node, &child));
403         }
404
405         gtk_tree_view_expand_all(GTK_TREE_VIEW(tree_view));
406
407         /* set sort func & sort */
408         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(store),
409                                         PREFS_PAGE_WEIGHT,
410                                         prefswindow_tree_sort_by_weight,
411                                         NULL, NULL);
412         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
413                                              PREFS_PAGE_WEIGHT,
414                                              GTK_SORT_DESCENDING);
415
416         if (preload_pages)
417                 prefswindow_build_all_pages(prefswindow, prefs_pages);
418
419         /* select first one or its first child if necessary */
420 #ifndef GENERIC_UMPC
421         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree_view));
422         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter)) {
423                 if (gtk_tree_model_iter_has_child(GTK_TREE_MODEL(store), &iter)) {
424                         GtkTreeIter parent = iter;
425                         if (!gtk_tree_model_iter_children(GTK_TREE_MODEL(store), &iter, &parent))
426                                 iter = parent;
427                 }
428                 gtk_tree_selection_select_iter(selection, &iter);
429         }
430 #endif
431 }
432
433 void prefswindow_open_full(const gchar *title, GSList *prefs_pages,
434                                                          gpointer data, GDestroyNotify func,
435                                                          gint *save_width, gint *save_height,
436                                                          gboolean preload_pages,
437                                                          PrefsOpenCallbackFunc open_cb,
438                                                          PrefsCloseCallbackFunc close_cb)
439 {
440         PrefsWindow *prefswindow;
441         gint x = gdk_screen_width();
442         gint y = gdk_screen_height();
443         static GdkGeometry geometry;
444         GtkAdjustment *adj;
445
446         prefswindow = g_new0(PrefsWindow, 1);
447
448         prefswindow->data = data;
449         prefswindow->func = func;
450         prefswindow->prefs_pages = g_slist_copy(prefs_pages);
451         prefswindow->save_width = save_width;
452         prefswindow->save_height = save_height;
453         prefswindow->open_cb = open_cb;
454         prefswindow->close_cb = close_cb;
455
456         prefswindow->window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefswindow");
457         gtk_window_set_title(GTK_WINDOW(prefswindow->window), title);
458
459         gtk_window_set_position (GTK_WINDOW(prefswindow->window), GTK_WIN_POS_CENTER);
460         gtk_window_set_modal (GTK_WINDOW (prefswindow->window), TRUE);
461         gtk_window_set_resizable (GTK_WINDOW(prefswindow->window), TRUE);
462         gtk_container_set_border_width(GTK_CONTAINER(prefswindow->window), 4);
463
464         prefswindow->vbox = gtk_vbox_new(FALSE, 6);
465         gtk_widget_show(prefswindow->vbox);
466         
467         prefswindow->paned = gtk_hpaned_new();
468         gtk_widget_show(prefswindow->paned);
469
470         gtk_container_add(GTK_CONTAINER(prefswindow->window), prefswindow->vbox);
471
472         gtk_box_pack_start(GTK_BOX(prefswindow->vbox), prefswindow->paned, TRUE, TRUE, 0);
473
474         prefswindow->scrolledwindow1 = gtk_scrolled_window_new(NULL, NULL);
475         gtk_widget_show(prefswindow->scrolledwindow1);
476         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow1),
477                         GTK_SHADOW_IN);
478         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow1),
479                         GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
480                         
481         gtk_paned_add1(GTK_PANED(prefswindow->paned), prefswindow->scrolledwindow1);
482
483         prefswindow->tree_view = prefswindow_tree_view_create(prefswindow);
484         gtk_widget_show(prefswindow->tree_view);
485         gtk_container_add(GTK_CONTAINER(prefswindow->scrolledwindow1), 
486                           prefswindow->tree_view);
487
488         prefswindow->vbox2 = gtk_vbox_new(FALSE, 2);
489         gtk_widget_show(prefswindow->vbox2);
490
491         gtk_paned_add2(GTK_PANED(prefswindow->paned), prefswindow->vbox2);
492
493         prefswindow->table2 = gtk_table_new(1, 2, FALSE);
494         gtk_widget_show(prefswindow->table2);
495         gtk_container_add(GTK_CONTAINER(prefswindow->vbox2), prefswindow->table2);
496
497         prefswindow->labelframe = gtk_frame_new(NULL);
498         gtk_widget_show(prefswindow->labelframe);
499         gtk_frame_set_shadow_type(GTK_FRAME(prefswindow->labelframe), GTK_SHADOW_OUT);
500         gtk_table_attach(GTK_TABLE(prefswindow->table2), prefswindow->labelframe,
501                         0, 1, 0, 1, GTK_FILL | GTK_EXPAND, GTK_FILL, 1, 1);
502
503         prefswindow->pagelabel = gtk_label_new("");
504         gtk_widget_show(prefswindow->pagelabel);
505         gtk_label_set_justify(GTK_LABEL(prefswindow->pagelabel), GTK_JUSTIFY_LEFT);
506         gtk_misc_set_alignment(GTK_MISC(prefswindow->pagelabel), 0, 0.0);
507         gtk_container_add(GTK_CONTAINER(prefswindow->labelframe), prefswindow->pagelabel);
508
509         prefswindow->notebook = gtk_notebook_new();
510         gtk_widget_show(prefswindow->notebook);
511         gtk_notebook_set_scrollable(GTK_NOTEBOOK(prefswindow->notebook), TRUE);
512         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(prefswindow->notebook), FALSE);
513         gtk_notebook_set_show_border(GTK_NOTEBOOK(prefswindow->notebook), FALSE);
514
515         gtk_table_attach(GTK_TABLE(prefswindow->table2), prefswindow->notebook,
516                         0, 1, 1, 2, GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 0, 4);
517
518         prefswindow->empty_page = gtk_label_new("");
519         gtk_widget_show(prefswindow->empty_page);
520         gtk_container_add(GTK_CONTAINER(prefswindow->notebook), prefswindow->empty_page);
521
522         prefswindow_build_tree(prefswindow->tree_view, prefs_pages, prefswindow,
523                                                         preload_pages);
524
525         if (open_cb)
526                 open_cb(GTK_WINDOW(prefswindow->window));
527
528         gtk_widget_grab_focus(prefswindow->tree_view);
529
530 #ifndef GENERIC_UMPC
531         gtkut_stock_button_set_create(&prefswindow->confirm_area,
532                                       &prefswindow->apply_btn,  GTK_STOCK_APPLY,
533                                       &prefswindow->cancel_btn, GTK_STOCK_CANCEL,
534                                       &prefswindow->ok_btn,     GTK_STOCK_OK);
535 #else
536         gtkut_stock_button_set_create(&prefswindow->confirm_area,
537                                       &prefswindow->apply_btn,  GTK_STOCK_APPLY,
538                                       &prefswindow->ok_btn,     GTK_STOCK_CLOSE,
539                                       NULL,                     NULL);
540 #endif
541         gtk_widget_show_all(prefswindow->confirm_area);
542         gtk_widget_show(prefswindow->vbox);
543         gtk_widget_show(prefswindow->scrolledwindow1);
544
545         gtk_box_pack_start(GTK_BOX(prefswindow->vbox), prefswindow->confirm_area, FALSE, FALSE, 0);
546
547 #ifndef GENERIC_UMPC
548         g_signal_connect(G_OBJECT(prefswindow->ok_btn), "clicked", 
549                          G_CALLBACK(ok_button_clicked), prefswindow);
550         g_signal_connect(G_OBJECT(prefswindow->cancel_btn), "clicked", 
551                          G_CALLBACK(cancel_button_clicked), prefswindow);
552         g_signal_connect(G_OBJECT(prefswindow->apply_btn), "clicked", 
553                          G_CALLBACK(apply_button_clicked), prefswindow);
554 #else
555         g_signal_connect(G_OBJECT(prefswindow->ok_btn), "clicked", 
556                          G_CALLBACK(ok_button_clicked), prefswindow);
557         g_signal_connect(G_OBJECT(prefswindow->apply_btn), "clicked", 
558                          G_CALLBACK(apply_button_clicked), prefswindow);
559 #endif
560
561         g_signal_connect(G_OBJECT(prefswindow->window), "delete_event", 
562                          G_CALLBACK(window_closed), prefswindow);
563
564 #ifdef MAEMO
565         maemo_connect_key_press_to_mainwindow(GTK_WINDOW(prefswindow->window));
566 #else
567         g_signal_connect(G_OBJECT(prefswindow->window), "key_press_event",
568                            G_CALLBACK(prefswindow_key_pressed), &(prefswindow->window));
569 #endif
570
571         /* connect to callback only if we hhave non-NULL pointers to store size to */
572         if (prefswindow->save_width && prefswindow->save_height) {
573                 g_signal_connect(G_OBJECT(prefswindow->window), "size_allocate",
574                                  G_CALLBACK(prefs_size_allocate_cb), prefswindow);
575         }
576
577         if (!geometry.min_height) {
578                 
579                 if (x < 800 && y < 600) {
580                         geometry.min_width = 600;
581                         geometry.min_height = 440;
582                 } else {
583                         geometry.min_width = 700;
584                         geometry.min_height = 550;
585                 }
586         }
587         gtk_window_set_geometry_hints(GTK_WINDOW(prefswindow->window), NULL, &geometry,
588                                       GDK_HINT_MIN_SIZE);
589         if (prefswindow->save_width && prefswindow->save_height) {
590                 gtk_widget_set_size_request(prefswindow->window, *(prefswindow->save_width),
591                                             *(prefswindow->save_height));
592         }
593
594 #ifdef GENERIC_UMPC
595         prefs_show_sections(prefswindow);
596 #endif
597         gtk_widget_show(prefswindow->window);
598 #ifdef MAEMO
599         maemo_window_full_screen_if_needed(GTK_WINDOW(prefswindow->window));
600 #endif
601         adj = gtk_scrolled_window_get_vadjustment(
602                         GTK_SCROLLED_WINDOW(prefswindow->scrolledwindow1));
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, 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         cm_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         if (gtk_tree_path_get_depth(path) < 2)
695                 return FALSE;
696 #ifndef GENERIC_UMPC
697         if (currently_selected) 
698                 return TRUE;
699 #endif
700         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
701                 return TRUE;
702
703         gtk_tree_model_get(model, &iter, PREFS_PAGE_DATA, &prefsnode, -1);
704         page = prefsnode->page;
705
706         debug_print("%f\n", prefsnode->treeweight);
707
708         if (page == NULL) {
709                 gtk_label_set_text(GTK_LABEL(prefswindow->pagelabel), "");
710                 pagenum = gtk_notebook_page_num(GTK_NOTEBOOK(prefswindow->notebook),
711                                                 prefswindow->empty_page);
712                 gtk_notebook_set_current_page(GTK_NOTEBOOK(prefswindow->notebook),
713                                               pagenum);
714                 return TRUE;
715         }
716
717         prefswindow_build_page(prefswindow, page);
718
719         i = 0;
720         while (page->path[i + 1] != 0)
721                 i++;
722         labeltext = page->path[i];
723
724         gtk_label_set_text(GTK_LABEL(prefswindow->pagelabel), labeltext);
725
726         pagenum = gtk_notebook_page_num(GTK_NOTEBOOK(prefswindow->notebook),
727                                         page->widget);
728         gtk_notebook_set_current_page(GTK_NOTEBOOK(prefswindow->notebook),
729                                       pagenum);
730
731         adj = gtk_scrolled_window_get_vadjustment(
732                         GTK_SCROLLED_WINDOW(page->widget));
733         gtk_adjustment_set_value(adj, adj->lower);
734         gtk_adjustment_changed(adj);
735         adj = gtk_scrolled_window_get_hadjustment(
736                         GTK_SCROLLED_WINDOW(page->widget));
737         gtk_adjustment_set_value(adj, adj->lower);
738         gtk_adjustment_changed(adj);
739
740 #ifdef GENERIC_UMPC
741         prefs_show_page(prefswindow);
742 #endif
743         return TRUE;
744 }
745