src/prefs_template.c

   1 /*
   2  * Sylpheed templates subsystem
   3  * Copyright (C) 2001 Alexander Barinov
   4  * Copyright (C) 2001-2007 Hiroyuki Yamamoto and the Claws Mail 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 "prefs_gtk.h"
  34 #include "inc.h"
  35 #include "utils.h"
  36 #include "gtkutils.h"
  37 #include "alertpanel.h"
  38 #include "manage_window.h"
  39 #include "compose.h"
  40 #include "addr_compl.h"
  41 #include "quote_fmt.h"
  42 #include "prefs_common.h"
  43 #include "manual.h"
  44
  45 enum {
  46         TEMPL_TEXT,
  47         TEMPL_DATA,
  48         TEMPL_AUTO_DATA,        /*!< auto pointer */
  49         N_TEMPL_COLUMNS
  50 };
  51
  52 static struct Templates {
  53         GtkWidget *window;
  54         GtkWidget *ok_btn;
  55         GtkWidget *list_view;
  56         GtkWidget *entry_name;
  57         GtkWidget *entry_subject;
  58         GtkWidget *entry_to;
  59         GtkWidget *entry_cc;
  60         GtkWidget *entry_bcc;
  61         GtkWidget *text_value;
  62 } templates;
  63
  64 static int modified = FALSE;
  65
  66 /* widget creating functions */
  67 static void prefs_template_window_create        (void);
  68 static void prefs_template_window_setup         (void);
  69 static void prefs_template_clear                (void);
  70
  71 static GSList *prefs_template_get_list          (void);
  72
  73 /* callbacks */
  74 static gint prefs_template_deleted_cb           (GtkWidget      *widget,
  75                                                  GdkEventAny    *event,
  76                                                  gpointer        data);
  77 static gboolean prefs_template_key_pressed_cb   (GtkWidget      *widget,
  78                                                  GdkEventKey    *event,
  79                                                  gpointer        data);
  80 static void prefs_template_cancel_cb            (void);
  81 static void prefs_template_ok_cb                (void);
  82 static void prefs_template_register_cb          (void);
  83 static void prefs_template_substitute_cb        (void);
  84 static void prefs_template_delete_cb            (void);
  85
  86 static GtkListStore* prefs_template_create_data_store   (void);
  87 static void prefs_template_list_view_insert_template    (GtkWidget *list_view,
  88                                                          GtkTreeIter *row_iter,
  89                                                          const gchar *template,
  90                                                          Template *data,
  91                                                          gboolean sorted);
  92 static GtkWidget *prefs_template_list_view_create       (void);
  93 static void prefs_template_create_list_view_columns     (GtkWidget *list_view);
  94 static gboolean prefs_template_selected                 (GtkTreeSelection *selector,
  95                                                          GtkTreeModel *model,
  96                                                          GtkTreePath *path,
  97                                                          gboolean currently_selected,
  98                                                          gpointer data);
  99
 100 /* Called from mainwindow.c */
 101 void prefs_template_open(void)
 102 {
 103         inc_lock();
 104
 105         if (!templates.window)
 106                 prefs_template_window_create();
 107
 108         prefs_template_window_setup();
 109         gtk_widget_show(templates.window);
 110 }
 111
 112 /*!
 113  *\brief        Save Gtk object size to prefs dataset
 114  */
 115 static void prefs_template_size_allocate_cb(GtkWidget *widget,
 116                                          GtkAllocation *allocation)
 117 {
 118         g_return_if_fail(allocation != NULL);
 119
 120         prefs_common.templateswin_width = allocation->width;
 121         prefs_common.templateswin_height = allocation->height;
 122 }
 123
 124 static void prefs_template_window_create(void)
 125 {
 126         /* window structure ;) */
 127         GtkWidget *window;
 128         GtkWidget   *vpaned;
 129         GtkWidget     *vbox1;
 130         GtkWidget       *table; /* including : entry_[name|to|cc|bcc|subject] */
 131         GtkWidget       *scroll2;
 132         GtkWidget         *text_value;
 133         GtkWidget     *vbox2;
 134         GtkWidget       *hbox2;
 135         GtkWidget         *arrow1;
 136         GtkWidget         *hbox3;
 137         GtkWidget           *reg_btn;
 138         GtkWidget           *subst_btn;
 139         GtkWidget           *del_btn;
 140         GtkWidget         *desc_btn;
 141         GtkWidget       *scroll1;
 142         GtkWidget         *list_view;
 143         GtkWidget       *confirm_area;
 144         GtkWidget         *help_btn;
 145         GtkWidget         *cancel_btn;
 146         GtkWidget         *ok_btn;
 147         static GdkGeometry geometry;
 148         gint i;
 149         GtkTooltips *tooltips;
 150
 151         debug_print("Creating templates configuration window...\n");
 152
 153         /* main window */
 154         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_template");
 155         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 156         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 157         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 158
 159         /* vpaned to separate template settings from templates list */
 160         vpaned = gtk_vpaned_new();
 161         gtk_widget_show(vpaned);
 162         gtk_container_add(GTK_CONTAINER(window), vpaned);
 163
 164         /* vbox to handle template name and content */
 165         vbox1 = gtk_vbox_new(FALSE, 6);
 166         gtk_widget_show(vbox1);
 167         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 8);
 168         gtk_paned_pack1(GTK_PANED(vpaned), vbox1, FALSE, FALSE);
 169
 170         table = gtk_table_new(5, 2, FALSE);
 171         gtk_table_set_row_spacings (GTK_TABLE (table), VSPACING_NARROW_2);
 172         gtk_table_set_col_spacings (GTK_TABLE (table), 4);
 173         gtk_widget_show(table);
 174         gtk_box_pack_start (GTK_BOX (vbox1), table, FALSE, FALSE, 0);
 175
 176         tooltips = gtk_tooltips_new();
 177
 178         struct
 179         {
 180                 gchar *label;
 181                 GtkWidget **entry;
 182                 gboolean compl;
 183                 gchar *tooltips;
 184         } tab[] = {
 185                 {_("Name"),     &templates.entry_name,          FALSE,
 186                         _("This name is used as the Menu item")},
 187                 {_("To"),       &templates.entry_to,            TRUE,   NULL},
 188                 {_("Cc"),       &templates.entry_cc,            TRUE,   NULL},
 189                 {_("Bcc"),      &templates.entry_bcc,           TRUE,   NULL},
 190                 {_("Subject"),  &templates.entry_subject,       FALSE,  NULL},
 191                 {NULL,          NULL,                           FALSE,  NULL}
 192         };
 193
 194         for (i=0; tab[i].label; i++) {
 195
 196                 GtkWidget *label;
 197
 198                 label = gtk_label_new(tab[i].label);
 199                 gtk_widget_show(label);
 200                 gtk_table_attach(GTK_TABLE(table), label, 0, 1, i, (i + 1),
 201                                 (GtkAttachOptions) (GTK_FILL),
 202                                 (GtkAttachOptions) 0, 0, 0);
 203                 gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5);
 204
 205                 *(tab[i].entry) = gtk_entry_new();
 206                 gtk_widget_show(*(tab[i].entry));
 207                 gtk_table_attach(GTK_TABLE(table), *(tab[i].entry), 1, 2, i, (i + 1),
 208                                 (GtkAttachOptions) (GTK_EXPAND|GTK_SHRINK|GTK_FILL),
 209                                 (GtkAttachOptions) 0, 0, 0);
 210                 gtk_tooltips_set_tip(tooltips, *(tab[i].entry), tab[i].tooltips, NULL);
 211
 212                 if (tab[i].compl)
 213                         address_completion_register_entry(
 214                                 GTK_ENTRY(*(tab[i].entry)), TRUE);
 215         }
 216
 217         /* template content */
 218         scroll2 = gtk_scrolled_window_new(NULL, NULL);
 219         gtk_widget_show(scroll2);
 220         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll2),
 221                                        GTK_POLICY_AUTOMATIC,
 222                                        GTK_POLICY_AUTOMATIC);
 223         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scroll2),
 224                                             GTK_SHADOW_IN);
 225         gtk_box_pack_start(GTK_BOX(vbox1), scroll2, TRUE, TRUE, 0);
 226
 227         text_value = gtk_text_view_new();
 228         if (prefs_common.textfont) {
 229                 PangoFontDescription *font_desc;
 230
 231                 font_desc = pango_font_description_from_string
 232                                                 (prefs_common.textfont);
 233                 if (font_desc) {
 234                         gtk_widget_modify_font(text_value, font_desc);
 235                         pango_font_description_free(font_desc);
 236                 }
 237         }
 238         gtk_widget_show(text_value);
 239         gtk_widget_set_size_request(text_value, -1, 120);
 240         gtk_container_add(GTK_CONTAINER(scroll2), text_value);
 241         gtk_text_view_set_editable(GTK_TEXT_VIEW(text_value), TRUE);
 242         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text_value), GTK_WRAP_WORD);
 243
 244         /* vbox for buttons and templates list */
 245         vbox2 = gtk_vbox_new(FALSE, 6);
 246         gtk_widget_show(vbox2);
 247         gtk_container_set_border_width(GTK_CONTAINER(vbox2), 8);
 248         gtk_paned_pack2(GTK_PANED(vpaned), vbox2, TRUE, FALSE);
 249
 250         /* register | substitute | delete */
 251         hbox2 = gtk_hbox_new(FALSE, 4);
 252         gtk_widget_show(hbox2);
 253         gtk_box_pack_start(GTK_BOX(vbox2), hbox2, FALSE, FALSE, 0);
 254
 255         arrow1 = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 256         gtk_widget_show(arrow1);
 257         gtk_box_pack_start(GTK_BOX(hbox2), arrow1, FALSE, FALSE, 0);
 258         gtk_widget_set_size_request(arrow1, -1, 16);
 259
 260         hbox3 = gtk_hbox_new(TRUE, 4);
 261         gtk_widget_show(hbox3);
 262         gtk_box_pack_start(GTK_BOX(hbox2), hbox3, FALSE, FALSE, 0);
 263
 264         reg_btn = gtk_button_new_from_stock(GTK_STOCK_ADD);
 265         gtk_widget_show(reg_btn);
 266         gtk_box_pack_start(GTK_BOX(hbox3), reg_btn, FALSE, TRUE, 0);
 267         g_signal_connect(G_OBJECT (reg_btn), "clicked",
 268                          G_CALLBACK (prefs_template_register_cb), NULL);
 269
 270         subst_btn = gtkut_get_replace_btn(_("Replace"));
 271         gtk_widget_show(subst_btn);
 272         gtk_box_pack_start(GTK_BOX(hbox3), subst_btn, FALSE, TRUE, 0);
 273         g_signal_connect(G_OBJECT(subst_btn), "clicked",
 274                          G_CALLBACK(prefs_template_substitute_cb),
 275                          NULL);
 276
 277         del_btn = gtk_button_new_from_stock(GTK_STOCK_DELETE);
 278         gtk_widget_show(del_btn);
 279         gtk_box_pack_start(GTK_BOX(hbox3), del_btn, FALSE, TRUE, 0);
 280         g_signal_connect(G_OBJECT(del_btn), "clicked",
 281                          G_CALLBACK(prefs_template_delete_cb), NULL);
 282
 283 #if GTK_CHECK_VERSION(2, 8, 0)
 284         desc_btn = gtk_button_new_from_stock(GTK_STOCK_INFO);
 285 #else
 286         desc_btn = gtk_button_new_with_label(_(" Symbols... "));
 287 #endif
 288         gtk_widget_show(desc_btn);
 289         gtk_box_pack_end(GTK_BOX(hbox2), desc_btn, FALSE, FALSE, 0);
 290         g_signal_connect(G_OBJECT(desc_btn), "clicked",
 291                          G_CALLBACK(quote_fmt_quote_description), NULL);
 292
 293         /* templates list */
 294         scroll1 = gtk_scrolled_window_new(NULL, NULL);
 295         gtk_widget_show(scroll1);
 296         gtk_box_pack_start(GTK_BOX(vbox2), scroll1, TRUE, TRUE, 0);
 297         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll1),
 298                                        GTK_POLICY_AUTOMATIC,
 299                                        GTK_POLICY_AUTOMATIC);
 300
 301         list_view = prefs_template_list_view_create();
 302         gtk_widget_show(list_view);
 303         gtk_widget_set_size_request(scroll1, -1, 140);
 304         gtk_container_add(GTK_CONTAINER(scroll1), list_view);
 305
 306         /* help | cancel | ok */
 307         gtkut_stock_button_set_create_with_help(&confirm_area, &help_btn,
 308                         &cancel_btn, GTK_STOCK_CANCEL,
 309                         &ok_btn, GTK_STOCK_OK,
 310                         NULL, NULL);
 311         gtk_widget_show(confirm_area);
 312         gtk_box_pack_end(GTK_BOX(vbox2), confirm_area, FALSE, FALSE, 0);
 313         gtk_widget_grab_default(ok_btn);
 314
 315         gtk_window_set_title(GTK_WINDOW(window), _("Template configuration"));
 316
 317         g_signal_connect(G_OBJECT(window), "delete_event",
 318                          G_CALLBACK(prefs_template_deleted_cb), NULL);
 319         g_signal_connect(G_OBJECT(window), "size_allocate",
 320                          G_CALLBACK(prefs_template_size_allocate_cb), NULL);
 321         g_signal_connect(G_OBJECT(window), "key_press_event",
 322                          G_CALLBACK(prefs_template_key_pressed_cb), NULL);
 323         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 324         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 325                          G_CALLBACK(prefs_template_ok_cb), NULL);
 326         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 327                          G_CALLBACK(prefs_template_cancel_cb), NULL);
 328         g_signal_connect(G_OBJECT(help_btn), "clicked",
 329                          G_CALLBACK(manual_open_with_anchor_cb),
 330                          MANUAL_ANCHOR_TEMPLATES);
 331
 332         address_completion_start(window);
 333
 334         if (!geometry.min_height) {
 335                 geometry.min_width = 440;
 336                 geometry.min_height = 500;
 337         }
 338
 339         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 340                                       GDK_HINT_MIN_SIZE);
 341         gtk_widget_set_size_request(window, prefs_common.templateswin_width,
 342                                     prefs_common.templateswin_height);
 343
 344         templates.window = window;
 345         templates.ok_btn = ok_btn;
 346         templates.list_view = list_view;
 347         templates.text_value = text_value;
 348 }
 349
 350 static void prefs_template_window_setup(void)
 351 {
 352         GSList *tmpl_list;
 353         GSList *cur;
 354         Template *tmpl;
 355         GtkListStore *store;
 356         GtkTextBuffer *buffer;
 357
 358         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW
 359                                 (templates.list_view)));
 360
 361         manage_window_set_transient(GTK_WINDOW(templates.window));
 362         gtk_widget_grab_focus(templates.ok_btn);
 363
 364         gtk_list_store_clear(store);
 365
 366         prefs_template_list_view_insert_template(templates.list_view,
 367                                                  NULL, _("(New)"),
 368                                                  NULL, FALSE);
 369
 370         tmpl_list = template_read_config();
 371
 372         for (cur = tmpl_list; cur != NULL; cur = cur->next) {
 373                 tmpl = (Template *)cur->data;
 374                 prefs_template_list_view_insert_template(templates.list_view,
 375                                                          NULL, tmpl->name,
 376                                                          tmpl, FALSE);
 377         }
 378
 379         gtk_entry_set_text(GTK_ENTRY(templates.entry_name), "");
 380         gtk_entry_set_text(GTK_ENTRY(templates.entry_to), "");
 381         gtk_entry_set_text(GTK_ENTRY(templates.entry_cc), "");
 382         gtk_entry_set_text(GTK_ENTRY(templates.entry_bcc), "");
 383         gtk_entry_set_text(GTK_ENTRY(templates.entry_subject), "");
 384
 385         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(templates.text_value));
 386         gtk_text_buffer_set_text(buffer, "", -1);
 387
 388         g_slist_free(tmpl_list);
 389 }
 390
 391 static void prefs_template_clear(void)
 392 {
 393         GtkListStore *store;
 394
 395         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW
 396                                 (templates.list_view)));
 397         gtk_list_store_clear(store);
 398 }
 399
 400 static gint prefs_template_deleted_cb(GtkWidget *widget, GdkEventAny *event,
 401                                       gpointer data)
 402 {
 403         prefs_template_cancel_cb();
 404         return TRUE;
 405 }
 406
 407 static gboolean prefs_template_key_pressed_cb(GtkWidget *widget,
 408                                               GdkEventKey *event, gpointer data)
 409 {
 410         if (event && event->keyval == GDK_Escape)
 411                 prefs_template_cancel_cb();
 412         else {
 413                 GtkWidget *focused = gtkut_get_focused_child(
 414                                         GTK_CONTAINER(widget));
 415                 if (focused && GTK_IS_EDITABLE(focused)) {
 416                         modified = TRUE;
 417                 }
 418         }
 419         return FALSE;
 420 }
 421
 422 static void prefs_template_ok_cb(void)
 423 {
 424         GSList *tmpl_list;
 425
 426         if (modified && alertpanel(_("Entry not saved"),
 427                                  _("The entry was not saved. Close anyway?"),
 428                                  GTK_STOCK_CLOSE, _("+_Continue editing"),
 429                                  NULL) != G_ALERTDEFAULT) {
 430                 return;
 431         }
 432         modified = FALSE;
 433         tmpl_list = prefs_template_get_list();
 434         template_set_config(tmpl_list);
 435         compose_reflect_prefs_all();
 436         prefs_template_clear();
 437         gtk_widget_hide(templates.window);
 438         inc_unlock();
 439 }
 440
 441 static void prefs_template_cancel_cb(void)
 442 {
 443         if (modified && alertpanel(_("Entry not saved"),
 444                                  _("The entry was not saved. Close anyway?"),
 445                                  GTK_STOCK_CLOSE, _("+_Continue editing"),
 446                                  NULL) != G_ALERTDEFAULT) {
 447                 return;
 448         }
 449         modified = FALSE;
 450         prefs_template_clear();
 451         gtk_widget_hide(templates.window);
 452         inc_unlock();
 453 }
 454
 455 /*!
 456  *\brief        Request list for storage. New list is owned
 457  *              by template.c...
 458  */
 459 static GSList *prefs_template_get_list(void)
 460 {
 461         GSList *tmpl_list = NULL;
 462         Template *tmpl;
 463         GtkTreeModel *model;
 464         GtkTreeIter iter;
 465
 466         model = gtk_tree_view_get_model(GTK_TREE_VIEW(templates.list_view));
 467         if (!gtk_tree_model_get_iter_first(model, &iter))
 468                 return NULL;
 469
 470         do {
 471                 gtk_tree_model_get(model, &iter,
 472                                    TEMPL_DATA, &tmpl,
 473                                    -1);
 474
 475                 if (tmpl) {
 476                         Template *ntmpl;
 477
 478                         ntmpl = g_new(Template, 1);
 479                         ntmpl->name    = tmpl->name && *(tmpl->name)
 480                                          ? g_strdup(tmpl->name)
 481                                          : NULL;
 482                         ntmpl->subject = tmpl->subject && *(tmpl->subject)
 483                                          ? g_strdup(tmpl->subject)
 484                                          : NULL;
 485                         ntmpl->to      = tmpl->to && *(tmpl->to)
 486                                          ? g_strdup(tmpl->to)
 487                                          : NULL;
 488                         ntmpl->cc      = tmpl->cc && *(tmpl->cc)
 489                                          ? g_strdup(tmpl->cc)
 490                                          : NULL;
 491                         ntmpl->bcc     = tmpl->bcc && *(tmpl->bcc)
 492                                          ? g_strdup(tmpl->bcc)
 493                                          : NULL;
 494                         ntmpl->value   = tmpl->value && *(tmpl->value)
 495                                          ? g_strdup(tmpl->value)
 496                                          : NULL;
 497                         tmpl_list = g_slist_append(tmpl_list, ntmpl);
 498                 }
 499
 500         } while (gtk_tree_model_iter_next(model, &iter));
 501
 502         return tmpl_list;
 503 }
 504
 505 gboolean prefs_template_string_is_valid(gchar *string)
 506 {
 507         if (string && *string != '\0') {
 508                 gchar *parsed_buf;
 509                 MsgInfo dummyinfo;
 510
 511                 memset(&dummyinfo, 0, sizeof(MsgInfo));
 512                 quote_fmt_init(&dummyinfo, NULL, NULL, TRUE, NULL);
 513                 quote_fmt_scan_string(string);
 514                 quote_fmt_parse();
 515                 parsed_buf = quote_fmt_get_buffer();
 516                 if (!parsed_buf)
 517                         return FALSE;
 518                 quote_fmt_reset_vartable();
 519         }
 520         return TRUE;
 521 }
 522
 523 static gboolean prefs_template_list_view_set_row(GtkTreeIter *row)
 524 /* return TRUE if the row could be modified */
 525 {
 526         Template *tmpl;
 527         gchar *name;
 528         gchar *subject;
 529         gchar *to;
 530         gchar *cc;
 531         gchar *bcc;
 532         gchar *value;
 533         GtkTextBuffer *buffer;
 534         GtkTextIter start, end;
 535         GtkTreeModel *model;
 536
 537         model = gtk_tree_view_get_model(GTK_TREE_VIEW(templates.list_view));
 538
 539         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(templates.text_value));
 540         gtk_text_buffer_get_start_iter(buffer, &start);
 541         gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
 542         value = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
 543
 544         if (value && *value == '\0') {
 545                         g_free(value);
 546                 value = NULL;
 547                 }
 548         if (!prefs_template_string_is_valid(value)) {
 549                 alertpanel_error(_("Template body format error."));
 550                 g_free(value);
 551                 return FALSE;
 552         }
 553
 554         name = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_name),
 555                                       0, -1);
 556         if (*name == '\0') {
 557                 alertpanel_error(_("Template name is not set."));
 558                 return FALSE;
 559         }
 560         to = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_to),
 561                                     0, -1);
 562         cc = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_cc),
 563                                     0, -1);
 564         bcc = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_bcc),
 565                                     0, -1);
 566         subject = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_subject),
 567                                          0, -1);
 568
 569         if (to && *to == '\0') {
 570                 g_free(to);
 571                 to = NULL;
 572         }
 573         if (cc && *cc == '\0') {
 574                 g_free(cc);
 575                 cc = NULL;
 576         }
 577         if (bcc && *bcc == '\0') {
 578                 g_free(bcc);
 579                 bcc = NULL;
 580         }
 581         if (subject && *subject == '\0') {
 582                 g_free(subject);
 583                 subject = NULL;
 584         }
 585
 586         if (!prefs_template_string_is_valid(to)) {
 587                 alertpanel_error(_("Template To format error."));
 588                 g_free(to);
 589                 return FALSE;
 590         }
 591         if (!prefs_template_string_is_valid(cc)) {
 592                 alertpanel_error(_("Template Cc format error."));
 593                 g_free(cc);
 594                 return FALSE;
 595         }
 596         if (!prefs_template_string_is_valid(bcc)) {
 597                 alertpanel_error(_("Template Bcc format error."));
 598                 g_free(bcc);
 599                 return FALSE;
 600         }
 601         if (!prefs_template_string_is_valid(subject)) {
 602                 alertpanel_error(_("Template subject format error."));
 603                 g_free(subject);
 604                 return FALSE;
 605         }
 606
 607         tmpl = g_new(Template, 1);
 608         tmpl->name = name;
 609         tmpl->subject = subject;
 610         tmpl->to = to;
 611         tmpl->cc = cc;
 612         tmpl->bcc = bcc;
 613         tmpl->value = value;
 614
 615         prefs_template_list_view_insert_template(templates.list_view,
 616                                                  row, tmpl->name, tmpl, TRUE);
 617         return TRUE;
 618 }
 619
 620 static void prefs_template_register_cb(void)
 621 {
 622         modified = !prefs_template_list_view_set_row(NULL);
 623 }
 624
 625 static void prefs_template_substitute_cb(void)
 626 {
 627         Template *tmpl;
 628         GtkTreeIter row;
 629         GtkTreeSelection *selection;
 630         GtkTreeModel *model;
 631
 632         selection = gtk_tree_view_get_selection
 633                         (GTK_TREE_VIEW(templates.list_view));
 634
 635         if (!gtk_tree_selection_get_selected(selection, &model, &row))
 636                 return;
 637
 638         gtk_tree_model_get(model, &row,
 639                            TEMPL_DATA, &tmpl,
 640                            -1);
 641
 642         if (!tmpl) return;
 643
 644         modified = !prefs_template_list_view_set_row(&row);
 645 }
 646
 647 static void prefs_template_delete_cb(void)
 648 {
 649         Template *tmpl;
 650         GtkTreeIter row;
 651         GtkTreeSelection *selection;
 652         GtkTreeModel *model;
 653
 654         selection = gtk_tree_view_get_selection
 655                         (GTK_TREE_VIEW(templates.list_view));
 656
 657         if (!gtk_tree_selection_get_selected(selection, &model, &row))
 658                 return;
 659
 660         gtk_tree_model_get(model, &row,
 661                            TEMPL_DATA, &tmpl,
 662                            -1);
 663
 664         if (!tmpl)
 665                 return;
 666
 667         if (alertpanel(_("Delete template"),
 668                        _("Do you really want to delete this template?"),
 669                        GTK_STOCK_CANCEL, GTK_STOCK_DELETE,
 670                        NULL) != G_ALERTALTERNATE)
 671                 return;
 672
 673         gtk_list_store_remove(GTK_LIST_STORE(model), &row);
 674 }
 675
 676 static GtkListStore* prefs_template_create_data_store(void)
 677 {
 678         return gtk_list_store_new(N_TEMPL_COLUMNS,
 679                                   G_TYPE_STRING,
 680                                   G_TYPE_POINTER,
 681                                   G_TYPE_AUTO_POINTER,
 682                                   -1);
 683 }
 684
 685 static gboolean prefs_template_list_view_find_insertion_point(GtkTreeModel* model,
 686                                                         const gchar* template,
 687                                                         GtkTreeIter* iter)
 688 {
 689         GtkTreeIter i;
 690         gchar *text = NULL;
 691
 692         if ((gtk_tree_model_get_iter_first(model, &i))) {
 693                 for ( ; gtk_tree_model_iter_next(model, &i); ) {
 694                         gtk_tree_model_get(model, &i, TEMPL_TEXT, &text, -1);
 695                         if (strcmp(text, template) >= 0) {
 696                                 g_free(text);
 697                                 *iter = i;
 698                                 return TRUE;
 699                         }
 700                         g_free(text);
 701                 }
 702         }
 703         /* cannot add before (need to append) */
 704         return FALSE;
 705 }
 706
 707 static void prefs_template_list_view_insert_template(GtkWidget *list_view,
 708                                                      GtkTreeIter *row_iter,
 709                                                      const gchar *template,
 710                                                      Template *data,
 711                                                          gboolean sorted)
 712 {
 713         GtkTreeIter iter;
 714         GtkTreeModel *model = gtk_tree_view_get_model
 715                                         (GTK_TREE_VIEW(list_view));
 716         GtkListStore *list_store = GTK_LIST_STORE(model);
 717         GAuto *auto_data;
 718
 719         if (row_iter == NULL) {
 720                 if (sorted) {
 721                         GtkTreeIter insertion_point;
 722
 723                         /* insert sorted */
 724                         if (prefs_template_list_view_find_insertion_point(model,
 725                                         template, &insertion_point)) {
 726                                 gtk_list_store_insert_before(list_store, &iter,
 727                                                 &insertion_point);
 728                         } else {
 729                                 gtk_list_store_append(list_store, &iter);
 730                         }
 731                 } else {
 732                         /* append new */
 733                         gtk_list_store_append(list_store, &iter);
 734                 }
 735         } else {
 736                 /* modify the existing */
 737                 iter = *row_iter;
 738
 739                 if (sorted) {
 740                         GtkTreeIter insertion_point;
 741                         gchar *text = NULL;
 742
 743                         /* force re-sorting if template's name changed */
 744                         gtk_tree_model_get(model, row_iter, TEMPL_TEXT, &text, -1);
 745                         if (strcmp(text, template) != 0) {
 746
 747                                 /* move the modified template */
 748                                 if (prefs_template_list_view_find_insertion_point(model,
 749                                                 template, &insertion_point)) {
 750                                         gtk_list_store_move_before(list_store, row_iter,
 751                                                         &insertion_point);
 752                                 } else {
 753                                         /* move to the end */
 754                                         gtk_list_store_move_before(list_store, row_iter,
 755                                                         NULL);
 756                                 }
 757                         }
 758                         g_free(text);
 759                 }
 760         }
 761
 762         auto_data = g_auto_pointer_new_with_free(data, (GFreeFunc) template_free);
 763
 764         /* if replacing data in an existing row, the auto pointer takes care
 765          * of destroying the Template data */
 766         gtk_list_store_set(list_store, &iter,
 767                            TEMPL_TEXT, template,
 768                            TEMPL_DATA, data,
 769                            TEMPL_AUTO_DATA, auto_data,
 770                            -1);
 771
 772         g_auto_pointer_free(auto_data);
 773 }
 774
 775 static GtkWidget *prefs_template_list_view_create(void)
 776 {
 777         GtkTreeView *list_view;
 778         GtkTreeSelection *selector;
 779         GtkTreeModel *model;
 780
 781         model = GTK_TREE_MODEL(prefs_template_create_data_store());
 782         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 783         g_object_unref(model);
 784
 785         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
 786
 787         selector = gtk_tree_view_get_selection(list_view);
 788         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 789         gtk_tree_selection_set_select_function(selector, prefs_template_selected,
 790                                                NULL, NULL);
 791
 792         /* create the columns */
 793         prefs_template_create_list_view_columns(GTK_WIDGET(list_view));
 794
 795         return GTK_WIDGET(list_view);
 796 }
 797
 798 static void prefs_template_create_list_view_columns(GtkWidget *list_view)
 799 {
 800         GtkTreeViewColumn *column;
 801         GtkCellRenderer *renderer;
 802
 803         renderer = gtk_cell_renderer_text_new();
 804         column = gtk_tree_view_column_new_with_attributes
 805                         (_("Current templates"),
 806                          renderer,
 807                          "text", TEMPL_TEXT,
 808                          NULL);
 809         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 810 }
 811
 812 static gboolean prefs_template_selected(GtkTreeSelection *selector,
 813                                         GtkTreeModel *model,
 814                                         GtkTreePath *path,
 815                                         gboolean currently_selected,
 816                                         gpointer data)
 817 {
 818         Template *tmpl;
 819         Template tmpl_def;
 820         GtkTextBuffer *buffer;
 821         GtkTextIter iter;
 822         GtkTreeIter titer;
 823
 824         if (currently_selected)
 825                 return TRUE;
 826
 827         if (!gtk_tree_model_get_iter(model, &titer, path))
 828                 return TRUE;
 829
 830         tmpl_def.name = _("Template");
 831         tmpl_def.subject = "";
 832         tmpl_def.to = "";
 833         tmpl_def.cc = "";
 834         tmpl_def.bcc = "";
 835         tmpl_def.value = "";
 836
 837         gtk_tree_model_get(model, &titer,
 838                            TEMPL_DATA, &tmpl,
 839                            -1);
 840
 841         if (!tmpl)
 842                 tmpl = &tmpl_def;
 843
 844         gtk_entry_set_text(GTK_ENTRY(templates.entry_name), tmpl->name);
 845         gtk_entry_set_text(GTK_ENTRY(templates.entry_to),
 846                            tmpl->to ? tmpl->to : "");
 847         gtk_entry_set_text(GTK_ENTRY(templates.entry_cc),
 848                            tmpl->cc ? tmpl->cc : "");
 849         gtk_entry_set_text(GTK_ENTRY(templates.entry_bcc),
 850                            tmpl->bcc ? tmpl->bcc : "");
 851         gtk_entry_set_text(GTK_ENTRY(templates.entry_subject),
 852                            tmpl->subject ? tmpl->subject : "");
 853
 854         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(templates.text_value));
 855         gtk_text_buffer_set_text(buffer, "", -1);
 856         gtk_text_buffer_get_start_iter(buffer, &iter);
 857         gtk_text_buffer_insert(buffer, &iter, tmpl->value, -1);
 858
 859         return TRUE;
 860 }