2006-01-18 [paul] 1.9.100cvs167
[claws.git] / src / prefs_template.c
1 /*
2  * Sylpheed templates subsystem 
3  * Copyright (C) 2001 Alexander Barinov
4  * Copyright (C) 2001-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19  */
20
21 #include "defs.h"
22
23 #include <glib.h>
24 #include <glib/gi18n.h>
25 #include <gtk/gtk.h>
26 #include <gdk/gdkkeysyms.h>
27 #include <string.h>
28 #include <dirent.h>
29 #include <sys/stat.h>
30
31 #include "template.h"
32 #include "main.h"
33 #include "inc.h"
34 #include "utils.h"
35 #include "gtkutils.h"
36 #include "alertpanel.h"
37 #include "manage_window.h"
38 #include "compose.h"
39 #include "addr_compl.h"
40 #include "quote_fmt.h"
41 #include "prefs_common.h"
42
43 enum {
44         TEMPL_TEXT,
45         TEMPL_DATA,
46         TEMPL_AUTO_DATA,        /*!< auto pointer */
47         N_TEMPL_COLUMNS
48 };
49
50 static struct Templates {
51         GtkWidget *window;
52         GtkWidget *ok_btn;
53         GtkWidget *list_view;
54         GtkWidget *entry_name;
55         GtkWidget *entry_subject;
56         GtkWidget *entry_to;
57         GtkWidget *entry_cc;    
58         GtkWidget *entry_bcc;
59         GtkWidget *text_value;
60 } templates;
61
62 static int modified = FALSE;
63
64 /* widget creating functions */
65 static void prefs_template_window_create        (void);
66 static void prefs_template_window_setup         (void);
67 static void prefs_template_clear                (void);
68
69 static GSList *prefs_template_get_list          (void);
70
71 /* callbacks */
72 static gint prefs_template_deleted_cb           (GtkWidget      *widget,
73                                                  GdkEventAny    *event,
74                                                  gpointer        data);
75 static gboolean prefs_template_key_pressed_cb   (GtkWidget      *widget,
76                                                  GdkEventKey    *event,
77                                                  gpointer        data);
78 static void prefs_template_cancel_cb            (void);
79 static void prefs_template_ok_cb                (void);
80 static void prefs_template_register_cb          (void);
81 static void prefs_template_substitute_cb        (void);
82 static void prefs_template_delete_cb            (void);
83
84 static GtkListStore* prefs_template_create_data_store   (void);
85 static void prefs_template_list_view_insert_template    (GtkWidget *list_view,
86                                                          GtkTreeIter *row_iter,
87                                                          const gchar *template,
88                                                          Template *data,
89                                                          gboolean sorted);
90 static GtkWidget *prefs_template_list_view_create       (void);
91 static void prefs_template_create_list_view_columns     (GtkWidget *list_view);
92 static gboolean prefs_template_selected                 (GtkTreeSelection *selector,
93                                                          GtkTreeModel *model, 
94                                                          GtkTreePath *path,
95                                                          gboolean currently_selected,
96                                                          gpointer data);
97
98 /* Called from mainwindow.c */
99 void prefs_template_open(void)
100 {
101         inc_lock();
102
103         if (!templates.window)
104                 prefs_template_window_create();
105
106         prefs_template_window_setup();
107         gtk_widget_show(templates.window);
108 }
109
110 /*!
111  *\brief        Save Gtk object size to prefs dataset
112  */
113 static void prefs_template_size_allocate_cb(GtkWidget *widget,
114                                          GtkAllocation *allocation)
115 {
116         g_return_if_fail(allocation != NULL);
117
118         prefs_common.templateswin_width = allocation->width;
119         prefs_common.templateswin_height = allocation->height;
120 }
121
122 #define ADD_ENTRY(entry, str, row) \
123 { \
124         label1 = gtk_label_new(str); \
125         gtk_widget_show(label1); \
126         gtk_table_attach(GTK_TABLE(table), label1, 0, 1, row, (row + 1), \
127                          GTK_FILL, 0, 0, 0); \
128         gtk_misc_set_alignment(GTK_MISC(label1), 1, 0.5); \
129  \
130         entry = gtk_entry_new(); \
131         gtk_widget_show(entry); \
132         gtk_table_attach(GTK_TABLE(table), entry, 1, 2, row, (row + 1), \
133                          GTK_EXPAND|GTK_SHRINK|GTK_FILL, 0, 0, 0); \
134 }
135
136 static void prefs_template_window_create(void)
137 {
138         /* window structure ;) */
139         GtkWidget *window;
140         GtkWidget   *vpaned;
141         GtkWidget     *vbox1;
142         GtkWidget       *hbox1;
143         GtkWidget         *label1;
144         GtkWidget         *entry_name;
145         GtkWidget       *table;
146         GtkWidget         *entry_to;
147         GtkWidget         *entry_cc;
148         GtkWidget         *entry_bcc;           
149         GtkWidget         *entry_subject;
150         GtkWidget       *scroll2;
151         GtkWidget         *text_value;
152         GtkWidget     *vbox2;
153         GtkWidget       *hbox2;
154         GtkWidget         *arrow1;
155         GtkWidget         *hbox3;
156         GtkWidget           *reg_btn;
157         GtkWidget           *subst_btn;
158         GtkWidget           *del_btn;
159         GtkWidget         *desc_btn;
160         GtkWidget       *scroll1;
161         GtkWidget         *list_view;
162         GtkWidget       *confirm_area;
163         GtkWidget         *ok_btn;
164         GtkWidget         *cancel_btn;
165         static GdkGeometry geometry;
166
167         debug_print("Creating templates configuration window...\n");
168
169         /* main window */
170         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
171         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
172         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
173         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
174
175         /* vpaned to separate template settings from templates list */
176         vpaned = gtk_vpaned_new();
177         gtk_widget_show(vpaned);
178         gtk_container_add(GTK_CONTAINER(window), vpaned);
179
180         /* vbox to handle template name and content */
181         vbox1 = gtk_vbox_new(FALSE, 6);
182         gtk_widget_show(vbox1);
183         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 8);
184         gtk_paned_pack1(GTK_PANED(vpaned), vbox1, FALSE, FALSE);
185
186         hbox1 = gtk_hbox_new(FALSE, 8);
187         gtk_widget_show(hbox1);
188         gtk_box_pack_start(GTK_BOX(vbox1), hbox1, FALSE, FALSE, 0);
189
190         label1 = gtk_label_new(_("Template name"));
191         gtk_widget_show(label1);
192         gtk_box_pack_start(GTK_BOX(hbox1), label1, FALSE, FALSE, 0);
193
194         entry_name = gtk_entry_new();
195         gtk_widget_show(entry_name);
196         gtk_box_pack_start(GTK_BOX(hbox1), entry_name, TRUE, TRUE, 0);
197
198         /* table for headers */
199         table = gtk_table_new(2, 2, FALSE);
200         gtk_widget_show(table);
201         gtk_box_pack_start(GTK_BOX(vbox1), table, FALSE, FALSE, 0);
202         gtk_table_set_row_spacings(GTK_TABLE(table), 4);
203         gtk_table_set_col_spacings(GTK_TABLE(table), 4);
204
205         ADD_ENTRY(entry_to, _("To:"), 0);
206         address_completion_register_entry(GTK_ENTRY(entry_to));
207         ADD_ENTRY(entry_cc, _("Cc:"), 1)
208         ADD_ENTRY(entry_bcc, _("Bcc:"), 2)      
209         ADD_ENTRY(entry_subject, _("Subject:"), 3);
210
211 #undef ADD_ENTRY
212
213         /* template content */
214         scroll2 = gtk_scrolled_window_new(NULL, NULL);
215         gtk_widget_show(scroll2);
216         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll2),
217                                        GTK_POLICY_AUTOMATIC,
218                                        GTK_POLICY_AUTOMATIC);
219         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scroll2),
220                                             GTK_SHADOW_IN);
221         gtk_box_pack_start(GTK_BOX(vbox1), scroll2, TRUE, TRUE, 0);
222
223         text_value = gtk_text_view_new();
224         gtk_widget_show(text_value);
225         gtk_widget_set_size_request(text_value, -1, 120);
226         gtk_container_add(GTK_CONTAINER(scroll2), text_value);
227         gtk_text_view_set_editable(GTK_TEXT_VIEW(text_value), TRUE);
228         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text_value), GTK_WRAP_WORD);
229
230         /* vbox for buttons and templates list */
231         vbox2 = gtk_vbox_new(FALSE, 6);
232         gtk_widget_show(vbox2);
233         gtk_container_set_border_width(GTK_CONTAINER(vbox2), 8);
234         gtk_paned_pack2(GTK_PANED(vpaned), vbox2, TRUE, FALSE);
235
236         /* register | substitute | delete */
237         hbox2 = gtk_hbox_new(FALSE, 4);
238         gtk_widget_show(hbox2);
239         gtk_box_pack_start(GTK_BOX(vbox2), hbox2, FALSE, FALSE, 0);
240
241         arrow1 = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
242         gtk_widget_show(arrow1);
243         gtk_box_pack_start(GTK_BOX(hbox2), arrow1, FALSE, FALSE, 0);
244         gtk_widget_set_size_request(arrow1, -1, 16);
245
246         hbox3 = gtk_hbox_new(TRUE, 4);
247         gtk_widget_show(hbox3);
248         gtk_box_pack_start(GTK_BOX(hbox2), hbox3, FALSE, FALSE, 0);
249
250         reg_btn = gtk_button_new_from_stock(GTK_STOCK_ADD);
251         gtk_widget_show(reg_btn);
252         gtk_box_pack_start(GTK_BOX(hbox3), reg_btn, FALSE, TRUE, 0);
253         g_signal_connect(G_OBJECT (reg_btn), "clicked",
254                          G_CALLBACK (prefs_template_register_cb), NULL);
255
256         subst_btn = gtk_button_new_with_label(_("  Replace  "));
257         gtk_widget_show(subst_btn);
258         gtk_box_pack_start(GTK_BOX(hbox3), subst_btn, FALSE, TRUE, 0);
259         g_signal_connect(G_OBJECT(subst_btn), "clicked",
260                          G_CALLBACK(prefs_template_substitute_cb),
261                          NULL);
262
263         del_btn = gtk_button_new_from_stock(GTK_STOCK_DELETE);
264         gtk_widget_show(del_btn);
265         gtk_box_pack_start(GTK_BOX(hbox3), del_btn, FALSE, TRUE, 0);
266         g_signal_connect(G_OBJECT(del_btn), "clicked",
267                          G_CALLBACK(prefs_template_delete_cb), NULL);
268
269         desc_btn = gtk_button_new_with_label(_(" Symbols... "));
270         gtk_widget_show(desc_btn);
271         gtk_box_pack_end(GTK_BOX(hbox2), desc_btn, FALSE, FALSE, 0);
272         g_signal_connect(G_OBJECT(desc_btn), "clicked",
273                          G_CALLBACK(quote_fmt_quote_description), NULL);
274
275         /* templates list */
276         scroll1 = gtk_scrolled_window_new(NULL, NULL);
277         gtk_widget_show(scroll1);
278         gtk_box_pack_start(GTK_BOX(vbox2), scroll1, TRUE, TRUE, 0);
279         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll1),
280                                        GTK_POLICY_AUTOMATIC,
281                                        GTK_POLICY_AUTOMATIC);
282                                        
283         list_view = prefs_template_list_view_create();
284         gtk_widget_show(list_view);
285         gtk_widget_set_size_request(scroll1, -1, 140);
286         gtk_container_add(GTK_CONTAINER(scroll1), list_view);
287
288         /* ok | cancel */
289         gtkut_stock_button_set_create(&confirm_area, &cancel_btn, GTK_STOCK_CANCEL,
290                                       &ok_btn, GTK_STOCK_OK, NULL, NULL);
291         gtk_widget_show(confirm_area);
292         gtk_box_pack_end(GTK_BOX(vbox2), confirm_area, FALSE, FALSE, 0);
293         gtk_widget_grab_default(ok_btn);
294
295         gtk_window_set_title(GTK_WINDOW(window), _("Template configuration"));
296
297         g_signal_connect(G_OBJECT(window), "delete_event",
298                          G_CALLBACK(prefs_template_deleted_cb), NULL);
299         g_signal_connect(G_OBJECT(window), "size_allocate",
300                          G_CALLBACK(prefs_template_size_allocate_cb), NULL);
301         g_signal_connect(G_OBJECT(window), "key_press_event",
302                          G_CALLBACK(prefs_template_key_pressed_cb), NULL);
303         MANAGE_WINDOW_SIGNALS_CONNECT(window);
304         g_signal_connect(G_OBJECT(ok_btn), "clicked",
305                          G_CALLBACK(prefs_template_ok_cb), NULL);
306         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
307                          G_CALLBACK(prefs_template_cancel_cb), NULL);
308
309         address_completion_start(window);
310
311         if (!geometry.min_height) {
312                 geometry.min_width = 440;
313                 geometry.min_height = 500;
314         }
315
316         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
317                                       GDK_HINT_MIN_SIZE);
318         gtk_widget_set_size_request(window, prefs_common.templateswin_width,
319                                     prefs_common.templateswin_height);
320
321         templates.window = window;
322         templates.ok_btn = ok_btn;
323         templates.list_view = list_view;
324         templates.entry_name = entry_name;
325         templates.entry_subject = entry_subject;
326         templates.entry_to = entry_to;
327         templates.entry_cc = entry_cc;
328         templates.entry_bcc = entry_bcc;        
329         templates.text_value = text_value;
330 }
331
332 static void prefs_template_window_setup(void)
333 {
334         GSList *tmpl_list;
335         GSList *cur;
336         Template *tmpl;
337         GtkListStore *store;
338
339         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW
340                                 (templates.list_view)));
341
342         manage_window_set_transient(GTK_WINDOW(templates.window));
343         gtk_widget_grab_focus(templates.ok_btn);
344
345         gtk_list_store_clear(store);
346
347         prefs_template_list_view_insert_template(templates.list_view,
348                                                  NULL, _("(New)"),
349                                                  NULL, FALSE);
350         
351         tmpl_list = template_read_config();
352
353         for (cur = tmpl_list; cur != NULL; cur = cur->next) {
354                 tmpl = (Template *)cur->data;
355                 prefs_template_list_view_insert_template(templates.list_view,
356                                                          NULL, tmpl->name, 
357                                                          tmpl, FALSE);
358         }
359
360         g_slist_free(tmpl_list);
361 }
362
363 static void prefs_template_clear(void)
364 {
365         GtkListStore *store;
366
367         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW
368                                 (templates.list_view)));
369         gtk_list_store_clear(store);
370 }
371
372 static gint prefs_template_deleted_cb(GtkWidget *widget, GdkEventAny *event,
373                                       gpointer data)
374 {
375         prefs_template_cancel_cb();
376         return TRUE;
377 }
378
379 static gboolean prefs_template_key_pressed_cb(GtkWidget *widget,
380                                               GdkEventKey *event, gpointer data)
381 {
382         if (event && event->keyval == GDK_Escape)
383                 prefs_template_cancel_cb();
384         else {
385                 GtkWidget *focused = gtkut_get_focused_child(
386                                         GTK_CONTAINER(widget));
387                 if (focused && GTK_IS_EDITABLE(focused)) {
388                         modified = TRUE;
389                 }
390         }
391         return FALSE;
392 }
393
394 static void prefs_template_ok_cb(void)
395 {
396         GSList *tmpl_list;
397
398         if (modified && alertpanel(_("Entry not saved"),
399                                  _("The entry was not saved. Close anyway?"),
400                                  GTK_STOCK_CLOSE, _("_Continue editing"), 
401                                  NULL) != G_ALERTDEFAULT) {
402                 return;
403         }
404         modified = FALSE;
405         tmpl_list = prefs_template_get_list();
406         template_set_config(tmpl_list);
407         compose_reflect_prefs_all();
408         prefs_template_clear();
409         gtk_widget_hide(templates.window);
410         inc_unlock();
411 }
412
413 static void prefs_template_cancel_cb(void)
414 {
415         if (modified && alertpanel(_("Entry not saved"),
416                                  _("The entry was not saved. Close anyway?"),
417                                  GTK_STOCK_CLOSE, _("_Continue editing"),
418                                  NULL) != G_ALERTDEFAULT) {
419                 return;
420         }
421         modified = FALSE;
422         prefs_template_clear();
423         gtk_widget_hide(templates.window);
424         inc_unlock();
425 }
426
427 /*!
428  *\brief        Request list for storage. New list is owned
429  *              by template.c...
430  */
431 static GSList *prefs_template_get_list(void)
432 {
433         GSList *tmpl_list = NULL;
434         Template *tmpl;
435         GtkTreeModel *model;
436         GtkTreeIter iter;
437
438         model = gtk_tree_view_get_model(GTK_TREE_VIEW(templates.list_view));
439         if (!gtk_tree_model_get_iter_first(model, &iter))
440                 return NULL;
441
442         do {
443                 gtk_tree_model_get(model, &iter,
444                                    TEMPL_DATA, &tmpl,
445                                    -1);
446                 
447                 if (tmpl) {
448                         Template *ntmpl;
449                         
450                         ntmpl = g_new(Template, 1);
451                         ntmpl->name    = tmpl->name && *(tmpl->name) 
452                                          ? g_strdup(tmpl->name) 
453                                          : NULL;
454                         ntmpl->subject = tmpl->subject && *(tmpl->subject) 
455                                          ? g_strdup(tmpl->subject) 
456                                          : NULL;
457                         ntmpl->to      = tmpl->to && *(tmpl->to)
458                                          ? g_strdup(tmpl->to)
459                                          : NULL;
460                         ntmpl->cc      = tmpl->cc && *(tmpl->cc)
461                                          ? g_strdup(tmpl->cc)
462                                          : NULL;
463                         ntmpl->bcc     = tmpl->bcc && *(tmpl->bcc)
464                                          ? g_strdup(tmpl->bcc)
465                                          : NULL;        
466                         ntmpl->value   = tmpl->value && *(tmpl->value)
467                                          ? g_strdup(tmpl->value)
468                                          : NULL;
469                         tmpl_list = g_slist_append(tmpl_list, ntmpl);
470                 }                       
471         
472         } while (gtk_tree_model_iter_next(model, &iter)); 
473
474         return tmpl_list;
475 }
476
477 static gboolean prefs_template_list_view_set_row(GtkTreeIter *row)
478 /* return TRUE if the row could be modified */
479 {
480         Template *tmpl;
481         gchar *name;
482         gchar *subject;
483         gchar *to;
484         gchar *cc;
485         gchar *bcc;     
486         gchar *value;
487         GtkTextBuffer *buffer;
488         GtkTextIter start, end;
489         GtkTreeModel *model;
490
491         model = gtk_tree_view_get_model(GTK_TREE_VIEW(templates.list_view));
492
493         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(templates.text_value));
494         gtk_text_buffer_get_start_iter(buffer, &start);
495         gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
496         value = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
497
498         if (value && *value != '\0') {
499                 gchar *parsed_buf;
500                 MsgInfo dummyinfo;
501
502                 memset(&dummyinfo, 0, sizeof(MsgInfo));
503                 quote_fmt_init(&dummyinfo, NULL, NULL, TRUE);
504                 quote_fmt_scan_string(value);
505                 quote_fmt_parse();
506                 parsed_buf = quote_fmt_get_buffer();
507                 if (!parsed_buf) {
508                         alertpanel_error(_("Template format error."));
509                         g_free(value);
510                         return FALSE;
511                 }
512         }
513
514         name = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_name),
515                                       0, -1);
516         if (name[0] == '\0') {
517                 alertpanel_error(_("Template name is not set."));
518                 return FALSE;
519         }
520         subject = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_subject),
521                                          0, -1);
522         to = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_to),
523                                     0, -1);
524         cc = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_cc),
525                                     0, -1);
526         bcc = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_bcc),
527                                     0, -1);
528
529         if (subject && *subject == '\0') {
530                 g_free(subject);
531                 subject = NULL;
532         }
533         if (to && *to == '\0') {
534                 g_free(to);
535                 to = NULL;
536         }
537         if (cc && *cc == '\0') {
538                 g_free(cc);
539                 cc = NULL;
540         }
541         if (bcc && *bcc == '\0') {
542                 g_free(bcc);
543                 bcc = NULL;
544         }
545         
546         tmpl = g_new(Template, 1);
547         tmpl->name = name;
548         tmpl->subject = subject;
549         tmpl->to = to;
550         tmpl->cc = cc;
551         tmpl->bcc = bcc;        
552         tmpl->value = value;
553
554         prefs_template_list_view_insert_template(templates.list_view,
555                                                  row, tmpl->name, tmpl, TRUE);
556         return TRUE;
557 }
558
559 static void prefs_template_register_cb(void)
560 {
561         modified = !prefs_template_list_view_set_row(NULL);
562 }
563
564 static void prefs_template_substitute_cb(void)
565 {
566         Template *tmpl;
567         GtkTreeIter row;
568         GtkTreeSelection *selection;
569         GtkTreeModel *model;
570
571         selection = gtk_tree_view_get_selection
572                         (GTK_TREE_VIEW(templates.list_view));
573         
574         if (!gtk_tree_selection_get_selected(selection, &model, &row))
575                 return;
576
577         gtk_tree_model_get(model, &row, 
578                            TEMPL_DATA, &tmpl,
579                            -1);
580
581         if (!tmpl) return;
582
583         modified = !prefs_template_list_view_set_row(&row);
584 }
585
586 static void prefs_template_delete_cb(void)
587 {
588         Template *tmpl;
589         GtkTreeIter row;
590         GtkTreeSelection *selection;
591         GtkTreeModel *model;
592
593         selection = gtk_tree_view_get_selection
594                         (GTK_TREE_VIEW(templates.list_view));
595         
596         if (!gtk_tree_selection_get_selected(selection, &model, &row))
597                 return;
598
599         gtk_tree_model_get(model, &row, 
600                            TEMPL_DATA, &tmpl,
601                            -1);
602
603         if (!tmpl) 
604                 return;
605
606         if (alertpanel(_("Delete template"),
607                        _("Do you really want to delete this template?"),
608                        GTK_STOCK_CANCEL, GTK_STOCK_DELETE,
609                        NULL) != G_ALERTALTERNATE)
610                 return;
611
612         gtk_list_store_remove(GTK_LIST_STORE(model), &row);             
613 }
614
615 static GtkListStore* prefs_template_create_data_store(void)
616 {
617         return gtk_list_store_new(N_TEMPL_COLUMNS,
618                                   G_TYPE_STRING,        
619                                   G_TYPE_POINTER,
620                                   G_TYPE_AUTO_POINTER,
621                                   -1);
622 }
623
624 static gboolean prefs_template_list_view_find_insertion_point(GtkTreeModel* model,
625                                                         const gchar* template,
626                                                         GtkTreeIter* iter)
627 {
628         GtkTreeIter i;
629         gchar *text = NULL;
630
631         if ((gtk_tree_model_get_iter_first(model, &i))) {
632                 for ( ; gtk_tree_model_iter_next(model, &i); ) {
633                         gtk_tree_model_get(model, &i, TEMPL_TEXT, &text, -1);
634                         if (strcmp(text, template) >= 0) {
635                                 g_free(text);
636                                 *iter = i;
637                                 return TRUE;
638                         }
639                         g_free(text);
640                 }
641         }
642         /* cannot add before (need to append) */
643         return FALSE;
644 }
645
646 static void prefs_template_list_view_insert_template(GtkWidget *list_view,
647                                                      GtkTreeIter *row_iter,
648                                                      const gchar *template,
649                                                      Template *data,
650                                                          gboolean sorted)
651 {
652         GtkTreeIter iter;
653         GtkTreeModel *model = gtk_tree_view_get_model
654                                         (GTK_TREE_VIEW(list_view));
655         GtkListStore *list_store = GTK_LIST_STORE(model);
656         GAuto *auto_data;                                       
657
658         if (row_iter == NULL) {
659                 if (sorted) {
660                         GtkTreeIter insertion_point;
661
662                         /* insert sorted */
663                         if (prefs_template_list_view_find_insertion_point(model,
664                                         template, &insertion_point)) {
665                                 gtk_list_store_insert_before(list_store, &iter,
666                                                 &insertion_point);
667                         } else {
668                                 gtk_list_store_append(list_store, &iter);
669                         }
670                 } else {
671                         /* append new */
672                         gtk_list_store_append(list_store, &iter);
673                 }
674         } else {
675                 /* modify the existing */
676                 iter = *row_iter;
677
678                 if (sorted) {
679                         GtkTreeIter insertion_point;
680                         gchar *text = NULL;
681
682                         /* force re-sorting if template's name changed */
683                         gtk_tree_model_get(model, row_iter, TEMPL_TEXT, &text, -1);
684                         if (strcmp(text, template) != 0) {
685
686                                 /* move the modified template */
687                                 if (prefs_template_list_view_find_insertion_point(model,
688                                                 template, &insertion_point)) {
689                                         gtk_list_store_move_before(list_store, row_iter,
690                                                         &insertion_point);
691                                 } else {
692                                         /* move to the end */
693                                         gtk_list_store_move_before(list_store, row_iter,
694                                                         NULL);
695                                 }
696                         }
697                         g_free(text);
698                 }
699         }
700                 
701         auto_data = g_auto_pointer_new_with_free(data, (GFreeFunc) template_free);  
702
703         /* if replacing data in an existing row, the auto pointer takes care
704          * of destroying the Template data */
705         gtk_list_store_set(list_store, &iter,
706                            TEMPL_TEXT, template,
707                            TEMPL_DATA, data,
708                            TEMPL_AUTO_DATA, auto_data,
709                            -1);
710
711         g_auto_pointer_free(auto_data);                    
712 }
713
714 static GtkWidget *prefs_template_list_view_create(void)
715 {
716         GtkTreeView *list_view;
717         GtkTreeSelection *selector;
718         GtkTreeModel *model;
719
720         model = GTK_TREE_MODEL(prefs_template_create_data_store());
721         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
722         g_object_unref(model);  
723         
724         gtk_tree_view_set_rules_hint(list_view, prefs_common.enable_rules_hint);
725         
726         selector = gtk_tree_view_get_selection(list_view);
727         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
728         gtk_tree_selection_set_select_function(selector, prefs_template_selected,
729                                                NULL, NULL);
730
731         /* create the columns */
732         prefs_template_create_list_view_columns(GTK_WIDGET(list_view));
733
734         return GTK_WIDGET(list_view);
735 }
736
737 static void prefs_template_create_list_view_columns(GtkWidget *list_view)
738 {
739         GtkTreeViewColumn *column;
740         GtkCellRenderer *renderer;
741
742         renderer = gtk_cell_renderer_text_new();
743         column = gtk_tree_view_column_new_with_attributes
744                         (_("Current templates"),
745                          renderer,
746                          "text", TEMPL_TEXT,
747                          NULL);
748         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);          
749 }
750
751 static gboolean prefs_template_selected(GtkTreeSelection *selector,
752                                         GtkTreeModel *model, 
753                                         GtkTreePath *path,
754                                         gboolean currently_selected,
755                                         gpointer data)
756 {
757         Template *tmpl;
758         Template tmpl_def;
759         GtkTextBuffer *buffer;
760         GtkTextIter iter;
761         GtkTreeIter titer;
762
763         if (currently_selected)
764                 return TRUE;
765
766         if (!gtk_tree_model_get_iter(model, &titer, path))
767                 return TRUE;
768
769         tmpl_def.name = _("Template");
770         tmpl_def.subject = "";
771         tmpl_def.to = "";
772         tmpl_def.cc = "";
773         tmpl_def.bcc = "";      
774         tmpl_def.value = "";
775
776         gtk_tree_model_get(model, &titer,
777                            TEMPL_DATA, &tmpl,
778                            -1);
779
780         if (!tmpl) 
781                 tmpl = &tmpl_def;
782
783         gtk_entry_set_text(GTK_ENTRY(templates.entry_name), tmpl->name);
784         gtk_entry_set_text(GTK_ENTRY(templates.entry_to),
785                            tmpl->to ? tmpl->to : "");
786         gtk_entry_set_text(GTK_ENTRY(templates.entry_cc),
787                            tmpl->cc ? tmpl->cc : "");
788         gtk_entry_set_text(GTK_ENTRY(templates.entry_bcc),
789                            tmpl->bcc ? tmpl->bcc : "");                 
790         gtk_entry_set_text(GTK_ENTRY(templates.entry_subject),
791                            tmpl->subject ? tmpl->subject : "");
792         
793         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(templates.text_value));
794         gtk_text_buffer_set_text(buffer, "", -1);
795         gtk_text_buffer_get_start_iter(buffer, &iter);
796         gtk_text_buffer_insert(buffer, &iter, tmpl->value, -1);
797
798         return TRUE;
799 }