src/prefs_template.c

   1 /*
   2  * Sylpheed templates subsystem
   3  * Copyright (C) 2001 Alexander Barinov
   4  * Copyright (C) 2001-2006 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 = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 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         gtk_widget_show(text_value);
 229         gtk_widget_set_size_request(text_value, -1, 120);
 230         gtk_container_add(GTK_CONTAINER(scroll2), text_value);
 231         gtk_text_view_set_editable(GTK_TEXT_VIEW(text_value), TRUE);
 232         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text_value), GTK_WRAP_WORD);
 233
 234         /* vbox for buttons and templates list */
 235         vbox2 = gtk_vbox_new(FALSE, 6);
 236         gtk_widget_show(vbox2);
 237         gtk_container_set_border_width(GTK_CONTAINER(vbox2), 8);
 238         gtk_paned_pack2(GTK_PANED(vpaned), vbox2, TRUE, FALSE);
 239
 240         /* register | substitute | delete */
 241         hbox2 = gtk_hbox_new(FALSE, 4);
 242         gtk_widget_show(hbox2);
 243         gtk_box_pack_start(GTK_BOX(vbox2), hbox2, FALSE, FALSE, 0);
 244
 245         arrow1 = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 246         gtk_widget_show(arrow1);
 247         gtk_box_pack_start(GTK_BOX(hbox2), arrow1, FALSE, FALSE, 0);
 248         gtk_widget_set_size_request(arrow1, -1, 16);
 249
 250         hbox3 = gtk_hbox_new(TRUE, 4);
 251         gtk_widget_show(hbox3);
 252         gtk_box_pack_start(GTK_BOX(hbox2), hbox3, FALSE, FALSE, 0);
 253
 254         reg_btn = gtk_button_new_from_stock(GTK_STOCK_ADD);
 255         gtk_widget_show(reg_btn);
 256         gtk_box_pack_start(GTK_BOX(hbox3), reg_btn, FALSE, TRUE, 0);
 257         g_signal_connect(G_OBJECT (reg_btn), "clicked",
 258                          G_CALLBACK (prefs_template_register_cb), NULL);
 259
 260         subst_btn = gtkut_get_replace_btn(_("Replace"));
 261         gtk_widget_show(subst_btn);
 262         gtk_box_pack_start(GTK_BOX(hbox3), subst_btn, FALSE, TRUE, 0);
 263         g_signal_connect(G_OBJECT(subst_btn), "clicked",
 264                          G_CALLBACK(prefs_template_substitute_cb),
 265                          NULL);
 266
 267         del_btn = gtk_button_new_from_stock(GTK_STOCK_DELETE);
 268         gtk_widget_show(del_btn);
 269         gtk_box_pack_start(GTK_BOX(hbox3), del_btn, FALSE, TRUE, 0);
 270         g_signal_connect(G_OBJECT(del_btn), "clicked",
 271                          G_CALLBACK(prefs_template_delete_cb), NULL);
 272
 273 #if GTK_CHECK_VERSION(2, 8, 0)
 274         desc_btn = gtk_button_new_from_stock(GTK_STOCK_INFO);
 275 #else
 276         desc_btn = gtk_button_new_with_label(_(" Symbols... "));
 277 #endif
 278         gtk_widget_show(desc_btn);
 279         gtk_box_pack_end(GTK_BOX(hbox2), desc_btn, FALSE, FALSE, 0);
 280         g_signal_connect(G_OBJECT(desc_btn), "clicked",
 281                          G_CALLBACK(quote_fmt_quote_description), NULL);
 282
 283         /* templates list */
 284         scroll1 = gtk_scrolled_window_new(NULL, NULL);
 285         gtk_widget_show(scroll1);
 286         gtk_box_pack_start(GTK_BOX(vbox2), scroll1, TRUE, TRUE, 0);
 287         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll1),
 288                                        GTK_POLICY_AUTOMATIC,
 289                                        GTK_POLICY_AUTOMATIC);
 290
 291         list_view = prefs_template_list_view_create();
 292         gtk_widget_show(list_view);
 293         gtk_widget_set_size_request(scroll1, -1, 140);
 294         gtk_container_add(GTK_CONTAINER(scroll1), list_view);
 295
 296         /* help | cancel | ok */
 297         gtkut_stock_button_set_create_with_help(&confirm_area, &help_btn,
 298                         &cancel_btn, GTK_STOCK_CANCEL,
 299                         &ok_btn, GTK_STOCK_OK,
 300                         NULL, NULL);
 301         gtk_widget_show(confirm_area);
 302         gtk_box_pack_end(GTK_BOX(vbox2), confirm_area, FALSE, FALSE, 0);
 303         gtk_widget_grab_default(ok_btn);
 304
 305         gtk_window_set_title(GTK_WINDOW(window), _("Template configuration"));
 306
 307         g_signal_connect(G_OBJECT(window), "delete_event",
 308                          G_CALLBACK(prefs_template_deleted_cb), NULL);
 309         g_signal_connect(G_OBJECT(window), "size_allocate",
 310                          G_CALLBACK(prefs_template_size_allocate_cb), NULL);
 311         g_signal_connect(G_OBJECT(window), "key_press_event",
 312                          G_CALLBACK(prefs_template_key_pressed_cb), NULL);
 313         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 314         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 315                          G_CALLBACK(prefs_template_ok_cb), NULL);
 316         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 317                          G_CALLBACK(prefs_template_cancel_cb), NULL);
 318         g_signal_connect(G_OBJECT(help_btn), "clicked",
 319                          G_CALLBACK(manual_open_with_anchor_cb),
 320                          MANUAL_ANCHOR_TEMPLATES);
 321
 322         address_completion_start(window);
 323
 324         if (!geometry.min_height) {
 325                 geometry.min_width = 440;
 326                 geometry.min_height = 500;
 327         }
 328
 329         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 330                                       GDK_HINT_MIN_SIZE);
 331         gtk_widget_set_size_request(window, prefs_common.templateswin_width,
 332                                     prefs_common.templateswin_height);
 333
 334         templates.window = window;
 335         templates.ok_btn = ok_btn;
 336         templates.list_view = list_view;
 337         templates.text_value = text_value;
 338 }
 339
 340 static void prefs_template_window_setup(void)
 341 {
 342         GSList *tmpl_list;
 343         GSList *cur;
 344         Template *tmpl;
 345         GtkListStore *store;
 346         GtkTextBuffer *buffer;
 347
 348         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW
 349                                 (templates.list_view)));
 350
 351         manage_window_set_transient(GTK_WINDOW(templates.window));
 352         gtk_widget_grab_focus(templates.ok_btn);
 353
 354         gtk_list_store_clear(store);
 355
 356         prefs_template_list_view_insert_template(templates.list_view,
 357                                                  NULL, _("(New)"),
 358                                                  NULL, FALSE);
 359
 360         tmpl_list = template_read_config();
 361
 362         for (cur = tmpl_list; cur != NULL; cur = cur->next) {
 363                 tmpl = (Template *)cur->data;
 364                 prefs_template_list_view_insert_template(templates.list_view,
 365                                                          NULL, tmpl->name,
 366                                                          tmpl, FALSE);
 367         }
 368
 369         gtk_entry_set_text(GTK_ENTRY(templates.entry_name), "");
 370         gtk_entry_set_text(GTK_ENTRY(templates.entry_to), "");
 371         gtk_entry_set_text(GTK_ENTRY(templates.entry_cc), "");
 372         gtk_entry_set_text(GTK_ENTRY(templates.entry_bcc), "");
 373         gtk_entry_set_text(GTK_ENTRY(templates.entry_subject), "");
 374
 375         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(templates.text_value));
 376         gtk_text_buffer_set_text(buffer, "", -1);
 377
 378         g_slist_free(tmpl_list);
 379 }
 380
 381 static void prefs_template_clear(void)
 382 {
 383         GtkListStore *store;
 384
 385         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW
 386                                 (templates.list_view)));
 387         gtk_list_store_clear(store);
 388 }
 389
 390 static gint prefs_template_deleted_cb(GtkWidget *widget, GdkEventAny *event,
 391                                       gpointer data)
 392 {
 393         prefs_template_cancel_cb();
 394         return TRUE;
 395 }
 396
 397 static gboolean prefs_template_key_pressed_cb(GtkWidget *widget,
 398                                               GdkEventKey *event, gpointer data)
 399 {
 400         if (event && event->keyval == GDK_Escape)
 401                 prefs_template_cancel_cb();
 402         else {
 403                 GtkWidget *focused = gtkut_get_focused_child(
 404                                         GTK_CONTAINER(widget));
 405                 if (focused && GTK_IS_EDITABLE(focused)) {
 406                         modified = TRUE;
 407                 }
 408         }
 409         return FALSE;
 410 }
 411
 412 static void prefs_template_ok_cb(void)
 413 {
 414         GSList *tmpl_list;
 415
 416         if (modified && alertpanel(_("Entry not saved"),
 417                                  _("The entry was not saved. Close anyway?"),
 418                                  GTK_STOCK_CLOSE, _("+_Continue editing"),
 419                                  NULL) != G_ALERTDEFAULT) {
 420                 return;
 421         }
 422         modified = FALSE;
 423         tmpl_list = prefs_template_get_list();
 424         template_set_config(tmpl_list);
 425         compose_reflect_prefs_all();
 426         prefs_template_clear();
 427         gtk_widget_hide(templates.window);
 428         inc_unlock();
 429 }
 430
 431 static void prefs_template_cancel_cb(void)
 432 {
 433         if (modified && alertpanel(_("Entry not saved"),
 434                                  _("The entry was not saved. Close anyway?"),
 435                                  GTK_STOCK_CLOSE, _("+_Continue editing"),
 436                                  NULL) != G_ALERTDEFAULT) {
 437                 return;
 438         }
 439         modified = FALSE;
 440         prefs_template_clear();
 441         gtk_widget_hide(templates.window);
 442         inc_unlock();
 443 }
 444
 445 /*!
 446  *\brief        Request list for storage. New list is owned
 447  *              by template.c...
 448  */
 449 static GSList *prefs_template_get_list(void)
 450 {
 451         GSList *tmpl_list = NULL;
 452         Template *tmpl;
 453         GtkTreeModel *model;
 454         GtkTreeIter iter;
 455
 456         model = gtk_tree_view_get_model(GTK_TREE_VIEW(templates.list_view));
 457         if (!gtk_tree_model_get_iter_first(model, &iter))
 458                 return NULL;
 459
 460         do {
 461                 gtk_tree_model_get(model, &iter,
 462                                    TEMPL_DATA, &tmpl,
 463                                    -1);
 464
 465                 if (tmpl) {
 466                         Template *ntmpl;
 467
 468                         ntmpl = g_new(Template, 1);
 469                         ntmpl->name    = tmpl->name && *(tmpl->name)
 470                                          ? g_strdup(tmpl->name)
 471                                          : NULL;
 472                         ntmpl->subject = tmpl->subject && *(tmpl->subject)
 473                                          ? g_strdup(tmpl->subject)
 474                                          : NULL;
 475                         ntmpl->to      = tmpl->to && *(tmpl->to)
 476                                          ? g_strdup(tmpl->to)
 477                                          : NULL;
 478                         ntmpl->cc      = tmpl->cc && *(tmpl->cc)
 479                                          ? g_strdup(tmpl->cc)
 480                                          : NULL;
 481                         ntmpl->bcc     = tmpl->bcc && *(tmpl->bcc)
 482                                          ? g_strdup(tmpl->bcc)
 483                                          : NULL;
 484                         ntmpl->value   = tmpl->value && *(tmpl->value)
 485                                          ? g_strdup(tmpl->value)
 486                                          : NULL;
 487                         tmpl_list = g_slist_append(tmpl_list, ntmpl);
 488                 }
 489
 490         } while (gtk_tree_model_iter_next(model, &iter));
 491
 492         return tmpl_list;
 493 }
 494
 495 gboolean prefs_template_string_is_valid(gchar *string)
 496 {
 497         if (string && *string != '\0') {
 498                 gchar *parsed_buf;
 499                 MsgInfo dummyinfo;
 500
 501                 memset(&dummyinfo, 0, sizeof(MsgInfo));
 502                 quote_fmt_init(&dummyinfo, NULL, NULL, TRUE, NULL);
 503                 quote_fmt_scan_string(string);
 504                 quote_fmt_parse();
 505                 parsed_buf = quote_fmt_get_buffer();
 506                 if (!parsed_buf)
 507                         return FALSE;
 508                 quote_fmt_reset_vartable();
 509         }
 510         return TRUE;
 511 }
 512
 513 static gboolean prefs_template_list_view_set_row(GtkTreeIter *row)
 514 /* return TRUE if the row could be modified */
 515 {
 516         Template *tmpl;
 517         gchar *name;
 518         gchar *subject;
 519         gchar *to;
 520         gchar *cc;
 521         gchar *bcc;
 522         gchar *value;
 523         GtkTextBuffer *buffer;
 524         GtkTextIter start, end;
 525         GtkTreeModel *model;
 526
 527         model = gtk_tree_view_get_model(GTK_TREE_VIEW(templates.list_view));
 528
 529         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(templates.text_value));
 530         gtk_text_buffer_get_start_iter(buffer, &start);
 531         gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
 532         value = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
 533
 534         if (value && *value == '\0') {
 535                         g_free(value);
 536                 value = NULL;
 537                 }
 538         if (!prefs_template_string_is_valid(value)) {
 539                 alertpanel_error(_("Template body format error."));
 540                 g_free(value);
 541                 return FALSE;
 542         }
 543
 544         name = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_name),
 545                                       0, -1);
 546         if (*name == '\0') {
 547                 alertpanel_error(_("Template name is not set."));
 548                 return FALSE;
 549         }
 550         to = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_to),
 551                                     0, -1);
 552         cc = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_cc),
 553                                     0, -1);
 554         bcc = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_bcc),
 555                                     0, -1);
 556         subject = gtk_editable_get_chars(GTK_EDITABLE(templates.entry_subject),
 557                                          0, -1);
 558
 559         if (to && *to == '\0') {
 560                 g_free(to);
 561                 to = NULL;
 562         }
 563         if (cc && *cc == '\0') {
 564                 g_free(cc);
 565                 cc = NULL;
 566         }
 567         if (bcc && *bcc == '\0') {
 568                 g_free(bcc);
 569                 bcc = NULL;
 570         }
 571         if (subject && *subject == '\0') {
 572                 g_free(subject);
 573                 subject = NULL;
 574         }
 575
 576         if (!prefs_template_string_is_valid(to)) {
 577                 alertpanel_error(_("Template To format error."));
 578                 g_free(to);
 579                 return FALSE;
 580         }
 581         if (!prefs_template_string_is_valid(cc)) {
 582                 alertpanel_error(_("Template Cc format error."));
 583                 g_free(cc);
 584                 return FALSE;
 585         }
 586         if (!prefs_template_string_is_valid(bcc)) {
 587                 alertpanel_error(_("Template Bcc format error."));
 588                 g_free(bcc);
 589                 return FALSE;
 590         }
 591         if (!prefs_template_string_is_valid(subject)) {
 592                 alertpanel_error(_("Template subject format error."));
 593                 g_free(subject);
 594                 return FALSE;
 595         }
 596
 597         tmpl = g_new(Template, 1);
 598         tmpl->name = name;
 599         tmpl->subject = subject;
 600         tmpl->to = to;
 601         tmpl->cc = cc;
 602         tmpl->bcc = bcc;
 603         tmpl->value = value;
 604
 605         prefs_template_list_view_insert_template(templates.list_view,
 606                                                  row, tmpl->name, tmpl, TRUE);
 607         return TRUE;
 608 }
 609
 610 static void prefs_template_register_cb(void)
 611 {
 612         modified = !prefs_template_list_view_set_row(NULL);
 613 }
 614
 615 static void prefs_template_substitute_cb(void)
 616 {
 617         Template *tmpl;
 618         GtkTreeIter row;
 619         GtkTreeSelection *selection;
 620         GtkTreeModel *model;
 621
 622         selection = gtk_tree_view_get_selection
 623                         (GTK_TREE_VIEW(templates.list_view));
 624
 625         if (!gtk_tree_selection_get_selected(selection, &model, &row))
 626                 return;
 627
 628         gtk_tree_model_get(model, &row,
 629                            TEMPL_DATA, &tmpl,
 630                            -1);
 631
 632         if (!tmpl) return;
 633
 634         modified = !prefs_template_list_view_set_row(&row);
 635 }
 636
 637 static void prefs_template_delete_cb(void)
 638 {
 639         Template *tmpl;
 640         GtkTreeIter row;
 641         GtkTreeSelection *selection;
 642         GtkTreeModel *model;
 643
 644         selection = gtk_tree_view_get_selection
 645                         (GTK_TREE_VIEW(templates.list_view));
 646
 647         if (!gtk_tree_selection_get_selected(selection, &model, &row))
 648                 return;
 649
 650         gtk_tree_model_get(model, &row,
 651                            TEMPL_DATA, &tmpl,
 652                            -1);
 653
 654         if (!tmpl)
 655                 return;
 656
 657         if (alertpanel(_("Delete template"),
 658                        _("Do you really want to delete this template?"),
 659                        GTK_STOCK_CANCEL, GTK_STOCK_DELETE,
 660                        NULL) != G_ALERTALTERNATE)
 661                 return;
 662
 663         gtk_list_store_remove(GTK_LIST_STORE(model), &row);
 664 }
 665
 666 static GtkListStore* prefs_template_create_data_store(void)
 667 {
 668         return gtk_list_store_new(N_TEMPL_COLUMNS,
 669                                   G_TYPE_STRING,
 670                                   G_TYPE_POINTER,
 671                                   G_TYPE_AUTO_POINTER,
 672                                   -1);
 673 }
 674
 675 static gboolean prefs_template_list_view_find_insertion_point(GtkTreeModel* model,
 676                                                         const gchar* template,
 677                                                         GtkTreeIter* iter)
 678 {
 679         GtkTreeIter i;
 680         gchar *text = NULL;
 681
 682         if ((gtk_tree_model_get_iter_first(model, &i))) {
 683                 for ( ; gtk_tree_model_iter_next(model, &i); ) {
 684                         gtk_tree_model_get(model, &i, TEMPL_TEXT, &text, -1);
 685                         if (strcmp(text, template) >= 0) {
 686                                 g_free(text);
 687                                 *iter = i;
 688                                 return TRUE;
 689                         }
 690                         g_free(text);
 691                 }
 692         }
 693         /* cannot add before (need to append) */
 694         return FALSE;
 695 }
 696
 697 static void prefs_template_list_view_insert_template(GtkWidget *list_view,
 698                                                      GtkTreeIter *row_iter,
 699                                                      const gchar *template,
 700                                                      Template *data,
 701                                                          gboolean sorted)
 702 {
 703         GtkTreeIter iter;
 704         GtkTreeModel *model = gtk_tree_view_get_model
 705                                         (GTK_TREE_VIEW(list_view));
 706         GtkListStore *list_store = GTK_LIST_STORE(model);
 707         GAuto *auto_data;
 708
 709         if (row_iter == NULL) {
 710                 if (sorted) {
 711                         GtkTreeIter insertion_point;
 712
 713                         /* insert sorted */
 714                         if (prefs_template_list_view_find_insertion_point(model,
 715                                         template, &insertion_point)) {
 716                                 gtk_list_store_insert_before(list_store, &iter,
 717                                                 &insertion_point);
 718                         } else {
 719                                 gtk_list_store_append(list_store, &iter);
 720                         }
 721                 } else {
 722                         /* append new */
 723                         gtk_list_store_append(list_store, &iter);
 724                 }
 725         } else {
 726                 /* modify the existing */
 727                 iter = *row_iter;
 728
 729                 if (sorted) {
 730                         GtkTreeIter insertion_point;
 731                         gchar *text = NULL;
 732
 733                         /* force re-sorting if template's name changed */
 734                         gtk_tree_model_get(model, row_iter, TEMPL_TEXT, &text, -1);
 735                         if (strcmp(text, template) != 0) {
 736
 737                                 /* move the modified template */
 738                                 if (prefs_template_list_view_find_insertion_point(model,
 739                                                 template, &insertion_point)) {
 740                                         gtk_list_store_move_before(list_store, row_iter,
 741                                                         &insertion_point);
 742                                 } else {
 743                                         /* move to the end */
 744                                         gtk_list_store_move_before(list_store, row_iter,
 745                                                         NULL);
 746                                 }
 747                         }
 748                         g_free(text);
 749                 }
 750         }
 751
 752         auto_data = g_auto_pointer_new_with_free(data, (GFreeFunc) template_free);
 753
 754         /* if replacing data in an existing row, the auto pointer takes care
 755          * of destroying the Template data */
 756         gtk_list_store_set(list_store, &iter,
 757                            TEMPL_TEXT, template,
 758                            TEMPL_DATA, data,
 759                            TEMPL_AUTO_DATA, auto_data,
 760                            -1);
 761
 762         g_auto_pointer_free(auto_data);
 763 }
 764
 765 static GtkWidget *prefs_template_list_view_create(void)
 766 {
 767         GtkTreeView *list_view;
 768         GtkTreeSelection *selector;
 769         GtkTreeModel *model;
 770
 771         model = GTK_TREE_MODEL(prefs_template_create_data_store());
 772         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 773         g_object_unref(model);
 774
 775         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
 776
 777         selector = gtk_tree_view_get_selection(list_view);
 778         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 779         gtk_tree_selection_set_select_function(selector, prefs_template_selected,
 780                                                NULL, NULL);
 781
 782         /* create the columns */
 783         prefs_template_create_list_view_columns(GTK_WIDGET(list_view));
 784
 785         return GTK_WIDGET(list_view);
 786 }
 787
 788 static void prefs_template_create_list_view_columns(GtkWidget *list_view)
 789 {
 790         GtkTreeViewColumn *column;
 791         GtkCellRenderer *renderer;
 792
 793         renderer = gtk_cell_renderer_text_new();
 794         column = gtk_tree_view_column_new_with_attributes
 795                         (_("Current templates"),
 796                          renderer,
 797                          "text", TEMPL_TEXT,
 798                          NULL);
 799         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 800 }
 801
 802 static gboolean prefs_template_selected(GtkTreeSelection *selector,
 803                                         GtkTreeModel *model,
 804                                         GtkTreePath *path,
 805                                         gboolean currently_selected,
 806                                         gpointer data)
 807 {
 808         Template *tmpl;
 809         Template tmpl_def;
 810         GtkTextBuffer *buffer;
 811         GtkTextIter iter;
 812         GtkTreeIter titer;
 813
 814         if (currently_selected)
 815                 return TRUE;
 816
 817         if (!gtk_tree_model_get_iter(model, &titer, path))
 818                 return TRUE;
 819
 820         tmpl_def.name = _("Template");
 821         tmpl_def.subject = "";
 822         tmpl_def.to = "";
 823         tmpl_def.cc = "";
 824         tmpl_def.bcc = "";
 825         tmpl_def.value = "";
 826
 827         gtk_tree_model_get(model, &titer,
 828                            TEMPL_DATA, &tmpl,
 829                            -1);
 830
 831         if (!tmpl)
 832                 tmpl = &tmpl_def;
 833
 834         gtk_entry_set_text(GTK_ENTRY(templates.entry_name), tmpl->name);
 835         gtk_entry_set_text(GTK_ENTRY(templates.entry_to),
 836                            tmpl->to ? tmpl->to : "");
 837         gtk_entry_set_text(GTK_ENTRY(templates.entry_cc),
 838                            tmpl->cc ? tmpl->cc : "");
 839         gtk_entry_set_text(GTK_ENTRY(templates.entry_bcc),
 840                            tmpl->bcc ? tmpl->bcc : "");
 841         gtk_entry_set_text(GTK_ENTRY(templates.entry_subject),
 842                            tmpl->subject ? tmpl->subject : "");
 843
 844         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(templates.text_value));
 845         gtk_text_buffer_set_text(buffer, "", -1);
 846         gtk_text_buffer_get_start_iter(buffer, &iter);
 847         gtk_text_buffer_insert(buffer, &iter, tmpl->value, -1);
 848
 849         return TRUE;
 850 }