git.maemo.org Git - modest/blob - src/widgets/modest-recpt-editor.c

   1 /* Copyright (c) 2007, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <config.h>
  31
  32 #include <glib/gi18n-lib.h>
  33
  34 #include <gtk/gtkscrolledwindow.h>
  35 #include <gtk/gtktextview.h>
  36 #include <gtk/gtkimage.h>
  37 #include <gtk/gtkbutton.h>
  38
  39 #include <modest-text-utils.h>
  40 #include <modest-recpt-editor.h>
  41 #include <modest-scroll-text.h>
  42 #include <pango/pango-attributes.h>
  43 #include <string.h>
  44 #include <gdk/gdkkeysyms.h>
  45 #include <gtk/gtk.h>
  46 #include <modest-ui-constants.h>
  47
  48 /* FIXNE: we should have no maemo-deps in widgets/ */
  49 #ifndef MODEST_TOOLKIT_GTK
  50 #include "modest-hildon-includes.h"
  51 #endif /*!MODEST_TOOLKIT_GTK*/
  52
  53 #define RECPT_BUTTON_WIDTH_HILDON2 118
  54
  55
  56 static GObjectClass *parent_class = NULL;
  57
  58 #define RECIPIENT_TAG_ID "recpt-id"
  59
  60 /* signals */
  61 enum {
  62         OPEN_ADDRESSBOOK_SIGNAL,
  63         LAST_SIGNAL
  64 };
  65
  66 typedef struct _ModestRecptEditorPrivate ModestRecptEditorPrivate;
  67
  68 struct _ModestRecptEditorPrivate
  69 {
  70         GtkWidget *text_view;
  71         GtkWidget *abook_button;
  72         GtkWidget *scrolled_window;
  73         gchar *recipients;
  74         gulong on_mark_set_handler;
  75         gboolean show_abook;
  76 };
  77
  78 #define MODEST_RECPT_EDITOR_GET_PRIVATE(o)      \
  79         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_RECPT_EDITOR, ModestRecptEditorPrivate))
  80
  81 static guint signals[LAST_SIGNAL] = {0};
  82
  83 /* static functions: GObject */
  84 static void modest_recpt_editor_instance_init (GTypeInstance *instance, gpointer g_class);
  85 static void modest_recpt_editor_finalize (GObject *object);
  86 static void modest_recpt_editor_class_init (ModestRecptEditorClass *klass);
  87
  88 /* widget events */
  89 static void modest_recpt_editor_on_abook_clicked (GtkButton *button,
  90                                                   ModestRecptEditor *editor);
  91 static void modest_recpt_editor_add_tags (ModestRecptEditor *editor,
  92                                           const gchar * recipient_id);
  93 static gboolean modest_recpt_editor_on_focus_in (GtkTextView *text_view,
  94                                              GdkEventFocus *event,
  95                                              ModestRecptEditor *editor);
  96 static void modest_recpt_editor_on_mark_set (GtkTextBuffer *buffer,
  97                                              GtkTextIter *iter,
  98                                              GtkTextMark *mark,
  99                                              ModestRecptEditor *editor);
 100 static void modest_recpt_editor_on_insert_text (GtkTextBuffer *buffer,
 101                                                 GtkTextIter *location,
 102                                                 gchar *text,
 103                                                 gint len,
 104                                                 ModestRecptEditor *editor);
 105 static void modest_recpt_editor_on_insert_text_after (GtkTextBuffer *buffer,
 106                                                       GtkTextIter *location,
 107                                                       gchar *text,
 108                                                       gint len,
 109                                                       ModestRecptEditor *editor);
 110 static gboolean modest_recpt_editor_on_key_press_event (GtkTextView *text_view,
 111                                                           GdkEventKey *key,
 112                                                           ModestRecptEditor *editor);
 113 static GtkTextTag *iter_has_recipient (GtkTextIter *iter);
 114 static gunichar iter_previous_char (GtkTextIter *iter);
 115 /* static gunichar iter_next_char (GtkTextIter *iter); */
 116 static GtkTextTag *prev_iter_has_recipient (GtkTextIter *iter);
 117 /* static GtkTextTag *next_iter_has_recipient (GtkTextIter *iter); */
 118 static void select_tag_of_iter (GtkTextIter *iter, GtkTextTag *tag);
 119 static gboolean quote_opened (GtkTextIter *iter);
 120 static gboolean is_valid_insert (const gchar *text, gint len);
 121 static gchar *create_valid_text (const gchar *text, gint len);
 122
 123 /**
 124  * modest_recpt_editor_new:
 125  *
 126  * Return value: a new #ModestRecptEditor instance implemented for Gtk+
 127  **/
 128 GtkWidget*
 129 modest_recpt_editor_new (void)
 130 {
 131         ModestRecptEditor *self = g_object_new (MODEST_TYPE_RECPT_EDITOR,
 132                                                 "homogeneous", FALSE,
 133                                                 "spacing", MODEST_MARGIN_NONE,
 134                                                 NULL);
 135
 136         return GTK_WIDGET (self);
 137 }
 138
 139 void
 140 modest_recpt_editor_set_recipients (ModestRecptEditor *recpt_editor, const gchar *recipients)
 141 {
 142         ModestRecptEditorPrivate *priv;
 143         GtkTextBuffer *buffer = NULL;
 144         gchar *valid_recipients = NULL;
 145
 146         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 147         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 148
 149 #ifdef MODEST_TOOLKIT_HILDON2
 150         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 151 #else
 152         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 153 #endif
 154
 155         valid_recipients = create_valid_text (recipients, -1);
 156         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 157         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
 158         gtk_text_buffer_set_text (buffer, valid_recipients, -1);
 159         g_free (valid_recipients);
 160         if (GTK_WIDGET_REALIZED (recpt_editor))
 161                 gtk_widget_queue_resize (GTK_WIDGET (recpt_editor));
 162         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 163         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
 164
 165 }
 166
 167 void
 168 modest_recpt_editor_add_recipients (ModestRecptEditor *recpt_editor, const gchar *recipients)
 169 {
 170         ModestRecptEditorPrivate *priv;
 171         GtkTextBuffer *buffer = NULL;
 172         GtkTextIter iter;
 173         gchar *string_to_add;
 174
 175         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 176         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 177
 178         if (recipients == NULL)
 179                 return;
 180
 181 #ifdef MODEST_TOOLKIT_HILDON2
 182         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 183 #else
 184         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 185 #endif
 186
 187         if (gtk_text_buffer_get_char_count (buffer) > 0) {
 188                 string_to_add = g_strconcat (";\n", recipients, NULL);
 189         } else {
 190                 string_to_add = g_strdup (recipients);
 191         }
 192
 193         gtk_text_buffer_get_end_iter (buffer, &iter);
 194
 195         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 196         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
 197
 198         gtk_text_buffer_insert (buffer, &iter, string_to_add, -1);
 199
 200         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 201         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
 202
 203         if (GTK_WIDGET_REALIZED (recpt_editor))
 204                 gtk_widget_queue_resize (GTK_WIDGET (recpt_editor));
 205
 206         g_free (string_to_add);
 207 }
 208
 209 void
 210 modest_recpt_editor_add_resolved_recipient (ModestRecptEditor *recpt_editor, GSList *email_list, const gchar * recipient_id)
 211 {
 212         ModestRecptEditorPrivate *priv;
 213         GtkTextBuffer *buffer = NULL;
 214         GtkTextIter start, end, iter;
 215         GSList *node;
 216         gboolean is_first_recipient = TRUE;
 217
 218         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 219         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 220
 221 #ifdef MODEST_TOOLKIT_HILDON2
 222         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 223 #else
 224         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 225 #endif
 226
 227         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 228         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
 229         gtk_text_buffer_get_bounds (buffer, &start, &end);
 230         if (gtk_text_buffer_get_char_count (buffer) > 0) {
 231                 gchar * buffer_contents;
 232
 233                 gtk_text_buffer_get_bounds (buffer, &start, &end);
 234                 buffer_contents = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 235                 if (!g_str_has_suffix (buffer_contents, "\n")) {
 236                         if (g_str_has_suffix (buffer_contents, ";")||(g_str_has_suffix (buffer_contents, ",")))
 237                                 gtk_text_buffer_insert (buffer, &end, "\n", -1);
 238                         else
 239                                 gtk_text_buffer_insert (buffer, &end, ";\n", -1);
 240                 }
 241                 g_free (buffer_contents);
 242         }
 243
 244         gtk_text_buffer_get_end_iter (buffer, &iter);
 245
 246         for (node = email_list; node != NULL; node = g_slist_next (node)) {
 247                 gchar *recipient = (gchar *) node->data;
 248
 249                 if ((recipient) && (strlen (recipient) != 0)) {
 250
 251                         if (!is_first_recipient)
 252                         gtk_text_buffer_insert (buffer, &iter, "\n", -1);
 253
 254                         gtk_text_buffer_insert (buffer, &iter, recipient, -1);
 255                         gtk_text_buffer_insert (buffer, &iter, ";", -1);
 256                         is_first_recipient = FALSE;
 257                 }
 258         }
 259         modest_recpt_editor_add_tags (recpt_editor, recipient_id);
 260
 261         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 262         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
 263 }
 264
 265 void
 266 modest_recpt_editor_replace_with_resolved_recipient (ModestRecptEditor *recpt_editor,
 267                                                      GtkTextIter *start, GtkTextIter *end,
 268                                                      GSList *email_list, const gchar * recipient_id)
 269 {
 270         GSList *email_lists_list;
 271         GSList *recipient_ids_list;
 272
 273         email_lists_list = g_slist_append (NULL, email_list);
 274         recipient_ids_list = g_slist_append (NULL, (gpointer) recipient_id);
 275
 276         modest_recpt_editor_replace_with_resolved_recipients (recpt_editor, start, end,
 277                                                               email_lists_list, recipient_ids_list);
 278
 279         g_slist_free (email_lists_list);
 280         g_slist_free (recipient_ids_list);
 281
 282 }
 283
 284 void
 285 modest_recpt_editor_replace_with_resolved_recipients (ModestRecptEditor *recpt_editor,
 286                                                      GtkTextIter *start, GtkTextIter *end,
 287                                                      GSList *email_lists_list, GSList * recipient_ids_list)
 288 {
 289         ModestRecptEditorPrivate *priv;
 290         GtkTextBuffer *buffer;
 291         GtkTextTag *tag;
 292         GSList *node;
 293         gboolean is_first_recipient = TRUE;
 294
 295         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 296         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 297
 298 #ifdef MODEST_TOOLKIT_HILDON2
 299         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 300 #else
 301         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 302 #endif
 303         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 304         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
 305
 306         gtk_text_buffer_delete (buffer, start, end);
 307
 308         while (email_lists_list && recipient_ids_list) {
 309                 gchar *recipient_id = (gchar *) recipient_ids_list->data;
 310                 GSList *email_list = (GSList *) email_lists_list->data;
 311
 312                 tag = gtk_text_buffer_create_tag (buffer, NULL,
 313                                                   "underline", PANGO_UNDERLINE_SINGLE,
 314                                                   "wrap-mode", GTK_WRAP_NONE,
 315                                                   "editable", TRUE, NULL);
 316
 317                 g_object_set_data (G_OBJECT (tag), "recipient-tag-id", GINT_TO_POINTER (RECIPIENT_TAG_ID));
 318                 g_object_set_data_full (G_OBJECT (tag), "recipient-id", g_strdup (recipient_id), (GDestroyNotify) g_free);
 319
 320                 for (node = email_list; node != NULL; node = g_slist_next (node)) {
 321                         gchar *recipient = (gchar *) node->data;
 322
 323                         if ((recipient) && (strlen (recipient) != 0)) {
 324
 325                                 if (!is_first_recipient || !gtk_text_iter_is_start(start))
 326                                         gtk_text_buffer_insert (buffer, start, "\n", -1);
 327
 328                                 gtk_text_buffer_insert_with_tags (buffer, start, recipient, -1, tag, NULL);
 329
 330                                 if (node->next != NULL)
 331                                         gtk_text_buffer_insert (buffer, start, ";", -1);
 332                                 is_first_recipient = FALSE;
 333                         }
 334                 }
 335
 336                 email_lists_list = g_slist_next (email_lists_list);
 337                 recipient_ids_list = g_slist_next (recipient_ids_list);
 338
 339                 /* Add a separator between lists of emails*/
 340                 if (recipient_ids_list)
 341                         gtk_text_buffer_insert (buffer, start, ";", -1);
 342         }
 343         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 344         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
 345
 346 }
 347
 348
 349 const gchar *
 350 modest_recpt_editor_get_recipients (ModestRecptEditor *recpt_editor)
 351 {
 352         ModestRecptEditorPrivate *priv;
 353         GtkTextBuffer *buffer = NULL;
 354         GtkTextIter start, end;
 355         gchar *c;
 356
 357         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), NULL);
 358         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 359
 360         if (priv->recipients != NULL) {
 361                 g_free (priv->recipients);
 362                 priv->recipients = NULL;
 363         }
 364
 365 #ifdef MODEST_TOOKIT_HILDON2
 366         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 367 #else
 368         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 369 #endif
 370
 371         gtk_text_buffer_get_start_iter (buffer, &start);
 372         gtk_text_buffer_get_end_iter (buffer, &end);
 373
 374         priv->recipients = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 375         for (c = priv->recipients; *c != '\0'; c = g_utf8_next_char (c)) {
 376                 if (*c == '\n') {
 377                         *c = ' ';
 378                 }
 379         }
 380
 381         return priv->recipients;
 382
 383 }
 384
 385 static void
 386 modest_recpt_editor_instance_init (GTypeInstance *instance, gpointer g_class)
 387 {
 388         ModestRecptEditorPrivate *priv;
 389         GtkWidget *abook_icon;
 390         GtkWidget *abook_align;
 391         GtkTextBuffer *buffer;
 392
 393         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (instance);
 394
 395         priv->show_abook = TRUE;
 396         priv->abook_button = gtk_button_new ();
 397         gtk_widget_set_no_show_all (GTK_WIDGET (priv->abook_button), TRUE);
 398         gtk_widget_show (priv->abook_button);
 399 #ifdef MODEST_TOOLKIT_HILDON2
 400         gtk_widget_set_size_request (priv->abook_button, RECPT_BUTTON_WIDTH_HILDON2, -1);
 401 #else
 402         gtk_button_set_relief (GTK_BUTTON (priv->abook_button), GTK_RELIEF_NONE);
 403 #endif
 404         gtk_button_set_focus_on_click (GTK_BUTTON (priv->abook_button), FALSE);
 405         GTK_WIDGET_UNSET_FLAGS (priv->abook_button, GTK_CAN_FOCUS);
 406         gtk_button_set_alignment (GTK_BUTTON (priv->abook_button), 0.5, 0.5);
 407 #ifdef MODEST_TOOLKIT_HILDON2
 408         abook_icon = gtk_image_new_from_icon_name ("general_contacts", HILDON_ICON_SIZE_FINGER);
 409 #else
 410         abook_icon = gtk_image_new_from_icon_name ("qgn_list_addressbook", GTK_ICON_SIZE_BUTTON);
 411 #endif
 412         gtk_container_add (GTK_CONTAINER (priv->abook_button), abook_icon);
 413
 414 #ifdef MODEST_TOOLKIT_HILDON2
 415         priv->text_view = hildon_text_view_new ();
 416 #else
 417         priv->text_view = gtk_text_view_new ();
 418 #endif
 419         /* Auto-capitalization is the default, so let's turn it off: */
 420 #ifdef MAEMO_CHANGES
 421         hildon_gtk_text_view_set_input_mode (GTK_TEXT_VIEW (priv->text_view),
 422                 HILDON_GTK_INPUT_MODE_FULL);
 423 #endif
 424
 425         priv->recipients = NULL;
 426
 427 #ifdef MODEST_TOOLKIT_HILDON2
 428         priv->scrolled_window = NULL;
 429         gtk_box_pack_start (GTK_BOX (instance), priv->text_view, TRUE, TRUE, 0);
 430 #else
 431         priv->scrolled_window = modest_scroll_text_new (GTK_TEXT_VIEW (priv->text_view), 1024);
 432         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window), GTK_POLICY_NEVER,
 433                                         GTK_POLICY_AUTOMATIC);
 434         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->scrolled_window), GTK_SHADOW_IN);
 435 /*      gtk_container_add (GTK_CONTAINER (priv->scrolled_window), priv->text_view); */
 436
 437         gtk_box_pack_start (GTK_BOX (instance), priv->scrolled_window, TRUE, TRUE, 0);
 438 /*      gtk_box_pack_start (GTK_BOX (instance), priv->text_view, TRUE, TRUE, 0); */
 439 #endif
 440         abook_align = gtk_alignment_new (0.0, 0.0, 1.0, 1.0);
 441         gtk_alignment_set_padding (GTK_ALIGNMENT (abook_align), 0, 0, MODEST_MARGIN_DEFAULT, 0);
 442         gtk_container_add (GTK_CONTAINER (abook_align), priv->abook_button);
 443         gtk_box_pack_end (GTK_BOX (instance), abook_align, FALSE, FALSE, 0);
 444
 445         gtk_text_view_set_accepts_tab (GTK_TEXT_VIEW (priv->text_view), FALSE);
 446         gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (priv->text_view), TRUE);
 447         gtk_text_view_set_editable (GTK_TEXT_VIEW (priv->text_view), TRUE);
 448
 449         gtk_text_view_set_justification (GTK_TEXT_VIEW (priv->text_view), GTK_JUSTIFY_LEFT);
 450         gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (priv->text_view), GTK_WRAP_CHAR);
 451
 452         gtk_widget_set_size_request (priv->text_view, 75, -1);
 453
 454 #ifdef MODEST_TOOLKIT_HILDON2
 455         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 456 #else
 457         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 458 #endif
 459         g_signal_connect (G_OBJECT (priv->abook_button), "clicked", G_CALLBACK (modest_recpt_editor_on_abook_clicked), instance);
 460         g_signal_connect (G_OBJECT (priv->text_view), "key-press-event", G_CALLBACK (modest_recpt_editor_on_key_press_event), instance);
 461         g_signal_connect (G_OBJECT (priv->text_view), "focus-in-event", G_CALLBACK (modest_recpt_editor_on_focus_in), instance);
 462         g_signal_connect (G_OBJECT (buffer), "insert-text",
 463                           G_CALLBACK (modest_recpt_editor_on_insert_text),
 464                           instance);
 465         g_signal_connect_after (G_OBJECT (buffer), "insert-text",
 466                                 G_CALLBACK (modest_recpt_editor_on_insert_text_after),
 467                                 instance);
 468
 469         priv->on_mark_set_handler = g_signal_connect (G_OBJECT (buffer), "mark-set",
 470                                                       G_CALLBACK (modest_recpt_editor_on_mark_set),
 471                                                       instance);
 472
 473         return;
 474 }
 475
 476 void
 477 modest_recpt_editor_set_field_size_group (ModestRecptEditor *recpt_editor, GtkSizeGroup *size_group)
 478 {
 479         ModestRecptEditorPrivate *priv;
 480
 481         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 482         g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
 483         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 484
 485 #ifdef MODEST_TOOLKIT_HILDON2
 486         gtk_size_group_add_widget (size_group, priv->text_view);
 487 #else
 488         gtk_size_group_add_widget (size_group, priv->scrolled_window);
 489 #endif
 490 }
 491
 492 GtkTextBuffer *
 493 modest_recpt_editor_get_buffer (ModestRecptEditor *recpt_editor)
 494 {
 495         ModestRecptEditorPrivate *priv;
 496
 497         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), NULL);
 498         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 499
 500 #ifdef MODEST_TOOLKIT_HILDON2
 501         return hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 502 #else
 503         return gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 504 #endif
 505 }
 506
 507 static void
 508 modest_recpt_editor_on_abook_clicked (GtkButton *button, ModestRecptEditor *editor)
 509 {
 510         g_return_if_fail (MODEST_IS_RECPT_EDITOR (editor));
 511
 512         g_signal_emit_by_name (G_OBJECT (editor), "open-addressbook");
 513 }
 514
 515 static void
 516 modest_recpt_editor_on_mark_set (GtkTextBuffer *buffer,
 517                                  GtkTextIter *iter,
 518                                  GtkTextMark *mark,
 519                                  ModestRecptEditor *recpt_editor)
 520 {
 521         ModestRecptEditorPrivate *priv;
 522         GtkTextIter start, end;
 523         GtkTextMark *selection_bound;
 524         GtkTextTag *tag;
 525         gboolean selection_changed = FALSE;
 526
 527         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 528
 529         buffer = modest_recpt_editor_get_buffer (recpt_editor);
 530         selection_bound = gtk_text_buffer_get_selection_bound (buffer);
 531
 532         if (mark != selection_bound)
 533                 return;
 534
 535         gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
 536
 537         tag = iter_has_recipient (&start);
 538         if (tag != NULL)
 539                 if (!gtk_text_iter_begins_tag (&start, tag)) {
 540                         gtk_text_iter_backward_to_tag_toggle (&start, tag);
 541                         selection_changed = TRUE;
 542                 }
 543
 544         tag = iter_has_recipient (&end);
 545         if (tag != NULL)
 546                 if (!gtk_text_iter_ends_tag (&end, tag)) {
 547                         gtk_text_iter_forward_to_tag_toggle (&end, tag);
 548                         selection_changed = TRUE;
 549                 }
 550
 551         if (selection_changed) {
 552                 /* We block this signal handler in order to prevent a
 553                    stack overflow caused by recursive calls to this
 554                    handler as the select_range call could issue a
 555                    "mark-set" signal */
 556                 g_signal_handler_block (buffer, priv->on_mark_set_handler);
 557                 gtk_text_buffer_select_range (buffer, &start, &end);
 558                 g_signal_handler_unblock (buffer, priv->on_mark_set_handler);
 559         }
 560 }
 561
 562 static gboolean
 563 modest_recpt_editor_on_focus_in (GtkTextView *text_view,
 564                                  GdkEventFocus *event,
 565                                  ModestRecptEditor *editor)
 566 {
 567         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 568         gtk_text_view_place_cursor_onscreen (GTK_TEXT_VIEW (priv->text_view));
 569
 570         return FALSE;
 571 }
 572
 573 static gboolean
 574 is_valid_insert (const gchar *text, gint len)
 575 {
 576         gunichar c;
 577         gunichar next_c;
 578         gint i= 0;
 579         gboolean quoted = FALSE;
 580         const gchar *current, *next_current;
 581         if (text == NULL)
 582                 return TRUE;
 583         current = text;
 584
 585         while (((len == -1)||(i < len)) && (*current != '\0')) {
 586                 c = g_utf8_get_char (current);
 587                 next_current = g_utf8_next_char (current);
 588                 if (next_current && *next_current != '\0')
 589                         next_c = g_utf8_get_char (g_utf8_next_char (current));
 590                 else
 591                         next_c = 0;
 592                 if (!quoted && ((c == g_utf8_get_char(",") || c == g_utf8_get_char (";")))) {
 593                         if ((next_c != 0) && (next_c != g_utf8_get_char ("\n")))
 594                                 return FALSE;
 595                         else {
 596                           current = g_utf8_next_char (next_current);
 597                           continue;
 598                         }
 599                 }
 600                 if (c == 0x2022 || c == 0xfffc ||
 601                     c == g_utf8_get_char ("\n") ||
 602                     c == g_utf8_get_char ("\t"))
 603                         return FALSE;
 604                 if (c == g_utf8_get_char ("\""))
 605                         quoted = !quoted;
 606                 current = g_utf8_next_char (current);
 607                 i = current - text;
 608         }
 609         return TRUE;
 610 }
 611
 612 static gchar *
 613 create_valid_text (const gchar *text, gint len)
 614 {
 615         gunichar c;
 616         gunichar next_c;
 617         gint i= 0;
 618         GString *str;
 619         gboolean quoted = FALSE;
 620         const gchar *current, *next_current;
 621
 622         if (text == NULL)
 623                 return NULL;
 624
 625         str = g_string_new ("");
 626         current = text;
 627
 628         while (((len == -1)||(i < len)) && (*current != '\0')) {
 629                 c = g_utf8_get_char (current);
 630                 next_current = g_utf8_next_char (current);
 631                 if (next_current && *next_current != '\0')
 632                         next_c = g_utf8_get_char (g_utf8_next_char (current));
 633                 else
 634                         next_c = 0;
 635                 if (c != 0x2022 && c != 0xfffc &&
 636                     c != g_utf8_get_char ("\n") &&
 637                     c != g_utf8_get_char ("\t"))
 638                         str = g_string_append_unichar (str, c);
 639                 if (!quoted && ((c == g_utf8_get_char(",") || c == g_utf8_get_char (";")))) {
 640                         if ((next_c != 0) && (next_c != g_utf8_get_char ("\n"))) {
 641                                 gchar *last_separator = MAX (g_utf8_strrchr(str->str, -1, g_utf8_get_char (",")),
 642                                                              g_utf8_strrchr(str->str, -1, g_utf8_get_char (";")));
 643                                 if (last_separator) {
 644                                         gchar *last_at = g_utf8_strrchr (str->str, -1, g_utf8_get_char ("@"));
 645                                         if (last_at) {
 646                                                 if (last_at > last_separator)
 647                                                         str = g_string_append_c (str, '\n');
 648                                         }
 649                                 } else {
 650                                         if (g_utf8_strrchr (str->str, -1, g_utf8_get_char ("@")))
 651                                                 str = g_string_append_c (str, '\n');
 652                                 }
 653                         }
 654                 }
 655                 if (c == g_utf8_get_char ("\""))
 656                         quoted = !quoted;
 657                 current = g_utf8_next_char (current);
 658                 i = current - text;
 659         }
 660
 661         return g_string_free (str, FALSE);
 662 }
 663
 664 /* Called after the default handler, and thus after the text was
 665    inserted. We use this to insert a break after a ',' or a ';'*/
 666 static void
 667 modest_recpt_editor_on_insert_text_after (GtkTextBuffer *buffer,
 668                                           GtkTextIter *location,
 669                                           gchar *text,
 670                                           gint len,
 671                                           ModestRecptEditor *editor)
 672 {
 673         GtkTextIter prev;
 674         gunichar prev_char;
 675         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 676
 677         prev = *location;
 678         if (!gtk_text_iter_backward_char (&prev))
 679                 return;
 680
 681         prev_char = gtk_text_iter_get_char (&prev);
 682         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 683         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, editor);
 684         if ((prev_char == ';'||prev_char == ',')&&(!quote_opened(location))) {
 685                 GtkTextMark *insert;
 686                 gtk_text_buffer_insert (buffer, location, "\n",-1);
 687                 insert = gtk_text_buffer_get_insert (buffer);
 688                 gtk_text_view_scroll_to_iter (GTK_TEXT_VIEW (priv->text_view), location, 0.0,TRUE, 0.0, 1.0);
 689         }
 690         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 691         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, editor);
 692 }
 693
 694 /* Called before the default handler, we use it to validate the inputs */
 695 static void
 696 modest_recpt_editor_on_insert_text (GtkTextBuffer *buffer,
 697                                     GtkTextIter *location,
 698                                     gchar *text,
 699                                     gint len,
 700                                     ModestRecptEditor *editor)
 701 {
 702         if (len > 1024)
 703                 len = 1024;
 704
 705         if (!is_valid_insert (text, len)) {
 706                 gchar *new_text = create_valid_text (text, len);
 707                 g_signal_stop_emission_by_name (G_OBJECT (buffer), "insert-text");
 708                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 709                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, editor);
 710                 gtk_text_buffer_insert (buffer, location, new_text, -1);
 711                 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 712                 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, editor);
 713                 g_free (new_text);
 714                 return;
 715         }
 716
 717         if (iter_has_recipient (location)) {
 718                 gtk_text_buffer_get_end_iter (buffer, location);
 719                 gtk_text_buffer_place_cursor (buffer, location);
 720         }
 721 }
 722
 723 static GtkTextTag *
 724 iter_has_recipient (GtkTextIter *iter)
 725 {
 726         GSList *tags, *node;
 727         GtkTextTag *result = NULL;
 728
 729         tags = gtk_text_iter_get_tags (iter);
 730
 731         for (node = tags; node != NULL; node = g_slist_next (node)) {
 732                 GtkTextTag *tag = GTK_TEXT_TAG (node->data);
 733
 734                 if (g_object_get_data (G_OBJECT (tag), "recipient-tag-id")) {
 735                         result = tag;
 736                         break;
 737                 }
 738         }
 739         g_slist_free (tags);
 740         return result;
 741 }
 742
 743 static GtkTextTag *
 744 prev_iter_has_recipient (GtkTextIter *iter)
 745 {
 746         GtkTextIter prev;
 747
 748         prev = *iter;
 749         gtk_text_iter_backward_char (&prev);
 750         return iter_has_recipient (&prev);
 751 }
 752
 753 /* static GtkTextTag * */
 754 /* next_iter_has_recipient (GtkTextIter *iter) */
 755 /* { */
 756 /*      GtkTextIter next; */
 757
 758 /*      next = *iter; */
 759 /*      return iter_has_recipient (&next); */
 760 /* } */
 761
 762 static gunichar
 763 iter_previous_char (GtkTextIter *iter)
 764 {
 765         GtkTextIter prev;
 766
 767         prev = *iter;
 768         gtk_text_iter_backward_char (&prev);
 769         return gtk_text_iter_get_char (&prev);
 770 }
 771
 772 /* static gunichar  */
 773 /* iter_next_char (GtkTextIter *iter) */
 774 /* { */
 775 /*      GtkTextIter next; */
 776
 777 /*      next = *iter; */
 778 /*      gtk_text_iter_forward_char (&next); */
 779 /*      return gtk_text_iter_get_char (&next); */
 780 /* } */
 781
 782 static void
 783 select_tag_of_iter (GtkTextIter *iter, GtkTextTag *tag)
 784 {
 785         GtkTextIter start, end;
 786
 787         start = *iter;
 788         if (!gtk_text_iter_begins_tag (&start, tag))
 789                 gtk_text_iter_backward_to_tag_toggle (&start, tag);
 790         end = *iter;
 791         if (!gtk_text_iter_ends_tag (&end, tag))
 792                 gtk_text_iter_forward_to_tag_toggle (&end, tag);
 793         gtk_text_buffer_select_range (gtk_text_iter_get_buffer (iter), &start, &end);
 794 }
 795
 796 static gboolean
 797 quote_opened (GtkTextIter *iter)
 798 {
 799         GtkTextIter start;
 800         GtkTextBuffer *buffer;
 801         gboolean opened = FALSE;
 802
 803         buffer = gtk_text_iter_get_buffer (iter);
 804         gtk_text_buffer_get_start_iter (buffer, &start);
 805
 806         while (!gtk_text_iter_equal (&start, iter)) {
 807                 gunichar current_char = gtk_text_iter_get_char (&start);
 808                 if (current_char == '"')
 809                         opened = !opened;
 810                 else if (current_char == '\\')
 811                         gtk_text_iter_forward_char (&start);
 812                 if (!gtk_text_iter_equal (&start, iter))
 813                         gtk_text_iter_forward_char (&start);
 814
 815         }
 816         return opened;
 817
 818 }
 819
 820
 821 static gboolean
 822 modest_recpt_editor_on_key_press_event (GtkTextView *text_view,
 823                                           GdkEventKey *key,
 824                                           ModestRecptEditor *editor)
 825 {
 826         GtkTextMark *insert;
 827         GtkTextMark *selection;
 828         GtkTextBuffer * buffer;
 829         GtkTextIter location, selection_loc;
 830         GtkTextTag *tag;
 831
 832 #ifdef MODEST_TOOLKIT_HILDON2
 833         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (text_view));
 834 #else
 835         buffer = gtk_text_view_get_buffer (text_view);
 836 #endif
 837         insert = gtk_text_buffer_get_insert (buffer);
 838         selection = gtk_text_buffer_get_selection_bound (buffer);
 839
 840         /* cases to cover:
 841          *    * cursor is on resolved recipient:
 842          *        - right should go to first character after the recipient (usually ; or ,)
 843          *        - left should fo to the first character before the recipient
 844          *        - return should run check names on the recipient.
 845          *    * cursor is just after a recipient:
 846          *        - right should go to the next character. If it's a recipient, should select
 847          *          it
 848          *        - left should go to the previous character. If it's a recipient, should go
 849          *          to the first character of the recipient, and select it.
 850          *    * cursor is on arbitrary text:
 851          *        - return should add a ; and go to the next line
 852          *        - left or right standard ones.
 853          *    * cursor is after a \n:
 854          *        - left should go to the character before the \n (as if \n was not a character)
 855          *    * cursor is before a \n:
 856          *        - right should go to the character after the \n
 857          */
 858
 859         gtk_text_buffer_get_iter_at_mark (buffer, &location, insert);
 860         gtk_text_buffer_get_iter_at_mark (buffer, &selection_loc, selection);
 861
 862         switch (key->keyval) {
 863         case GDK_Left:
 864         case GDK_KP_Left:
 865         {
 866                 gboolean cursor_ready = FALSE;
 867                 while (!cursor_ready) {
 868                         if (iter_previous_char (&location) == '\n') {
 869                                 gtk_text_iter_backward_char (&location);
 870                         } else {
 871                                 cursor_ready = TRUE;
 872                         }
 873                 }
 874                 tag = iter_has_recipient (&location);
 875                 if ((tag != NULL)&& (gtk_text_iter_is_start (&location) || !(gtk_text_iter_begins_tag (&location, tag)))) {
 876                         select_tag_of_iter (&location, tag);
 877                         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 878                         return TRUE;
 879                 }
 880                 gtk_text_iter_backward_char (&location);
 881                 tag = iter_has_recipient (&location);
 882                 if (tag != NULL)
 883                         select_tag_of_iter (&location, tag);
 884                 else {
 885                         gtk_text_buffer_place_cursor (buffer, &location);
 886                 }
 887                 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 888
 889                 return TRUE;
 890         }
 891         break;
 892         case GDK_Right:
 893         case GDK_KP_Right:
 894         {
 895                 gboolean cursor_moved = FALSE;
 896
 897                 tag = iter_has_recipient (&location);
 898                 if ((tag != NULL)&&(!gtk_text_iter_ends_tag (&location, tag))) {
 899                         gtk_text_iter_forward_to_tag_toggle (&location, tag);
 900                         while (gtk_text_iter_get_char (&location) == '\n')
 901                                 gtk_text_iter_forward_char (&location);
 902                         gtk_text_buffer_place_cursor (buffer, &location);
 903                         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 904                         return TRUE;
 905                 }
 906
 907                 while (gtk_text_iter_get_char (&location) == '\n') {
 908                         gtk_text_iter_forward_char (&location);
 909                         cursor_moved = TRUE;
 910                 }
 911                 if (!cursor_moved)
 912                         gtk_text_iter_forward_char (&location);
 913                 while (gtk_text_iter_get_char (&location) == '\n') {
 914                         gtk_text_iter_forward_char (&location);
 915                         cursor_moved = TRUE;
 916                 }
 917
 918                 tag = iter_has_recipient (&location);
 919                 if (tag != NULL)
 920                         select_tag_of_iter (&location, tag);
 921                 else
 922                         gtk_text_buffer_place_cursor (buffer, &location);
 923                 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 924                 return TRUE;
 925         }
 926         break;
 927         case GDK_Return:
 928         case GDK_KP_Enter:
 929         {
 930                 gint insert_offset, selection_offset;
 931                 insert_offset = gtk_text_iter_get_offset (&location);
 932                 selection_offset = gtk_text_iter_get_offset (&selection_loc);
 933                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 934                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, editor);
 935                 if (selection_offset > insert_offset)
 936                         location = selection_loc;
 937                 tag = iter_has_recipient (&location);
 938                 if (tag != NULL) {
 939                         gtk_text_buffer_get_end_iter (buffer, &location);
 940                         gtk_text_buffer_place_cursor (buffer, &location);
 941                         if ((iter_previous_char (&location) != ';')&&(iter_previous_char (&location) != ','))
 942                                 gtk_text_buffer_insert_at_cursor (buffer, ";", -1);
 943                         gtk_text_buffer_insert_at_cursor (buffer, "\n", -1);
 944                 } else {
 945                         gunichar prev_char = iter_previous_char (&location);
 946                         if ((gtk_text_iter_is_start (&location))||(prev_char == '\n')
 947                             ||(prev_char == ';')||(prev_char == ','))
 948                                 g_signal_emit_by_name (G_OBJECT (editor), "open-addressbook");
 949                         else {
 950                                 if ((prev_char != ';') && (prev_char != ','))
 951                                         gtk_text_buffer_insert_at_cursor (buffer, ";", -1);
 952                                 gtk_text_buffer_insert_at_cursor (buffer, "\n", -1);
 953                         }
 954                 }
 955                 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 956                 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, editor);
 957                 return TRUE;
 958         }
 959         break;
 960         case GDK_BackSpace:
 961         {
 962                 #if GTK_CHECK_VERSION(2, 10, 0) /* gtk_text_buffer_get_has_selection is only available in GTK+ 2.10 */
 963                 if (gtk_text_buffer_get_has_selection (buffer)) {
 964                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 965                         return TRUE;
 966                 }
 967                 #else
 968                 if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
 969                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 970                         return TRUE;
 971                 }
 972                 #endif
 973
 974                 tag = prev_iter_has_recipient (&location);
 975                 if (tag != NULL) {
 976                         GtkTextIter iter_in_tag;
 977                         iter_in_tag = location;
 978                         gtk_text_iter_backward_char (&iter_in_tag);
 979                         select_tag_of_iter (&iter_in_tag, tag);
 980                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 981                         return TRUE;
 982                 }
 983                 return FALSE;
 984         }
 985         break;
 986         default:
 987                 return FALSE;
 988         }
 989 }
 990
 991 /* NOTE: before calling this function be sure that both
 992    modest_recpt_editor_on_insert_text and
 993    modest_recpt_editor_on_insert_text_after won't be triggered during
 994    the execution of the procedure. You'll have to block both signal
 995    handlers otherwise you'll get an infinite loop and most likely a
 996    SIGSEV caused by a stack overflow */
 997 static void
 998 modest_recpt_editor_add_tags (ModestRecptEditor *editor,
 999                               const gchar * recipient_id)
1000 {
1001
1002         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
1003 #ifdef MODEST_TOOLKIT_HILDON2
1004         GtkTextBuffer *buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
1005 #else
1006         GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
1007 #endif
1008         GtkTextTag *tag;
1009         GtkTextIter start, end;
1010         gchar * buffer_contents;
1011         GtkTextIter start_match, end_match;
1012
1013         /* This would move the cursor to the end of the buffer
1014            containing new line character. */
1015         gtk_text_buffer_get_bounds (buffer, &start, &end);
1016         buffer_contents = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1017         gtk_text_buffer_set_text(buffer,buffer_contents,strlen(buffer_contents));
1018
1019         tag = gtk_text_buffer_create_tag (buffer, NULL,
1020                                           "underline", PANGO_UNDERLINE_SINGLE,
1021                                           "wrap-mode", GTK_WRAP_NONE,
1022                                           "editable", TRUE, NULL);
1023
1024         g_object_set_data (G_OBJECT (tag), "recipient-tag-id", GINT_TO_POINTER (RECIPIENT_TAG_ID));
1025         g_object_set_data_full (G_OBJECT (tag), "recipient-id", g_strdup (recipient_id), (GDestroyNotify) g_free);
1026
1027         /* Formatting the buffer content by applying tag */
1028         gtk_text_buffer_get_bounds (buffer, &start, &end);
1029         while (gtk_text_iter_forward_search(&start, ";",
1030                                             GTK_TEXT_SEARCH_TEXT_ONLY |
1031                                             GTK_TEXT_SEARCH_VISIBLE_ONLY,
1032                                             &start_match, &end_match, &end )) {
1033                 int offset;
1034
1035                 gtk_text_buffer_apply_tag(buffer, tag, &start, &start_match);
1036                 offset = gtk_text_iter_get_offset (&end_match);
1037                 gtk_text_buffer_get_iter_at_offset(buffer, &start, offset);
1038         }
1039         g_free (buffer_contents);
1040 }
1041
1042 void
1043 modest_recpt_editor_grab_focus (ModestRecptEditor *recpt_editor)
1044 {
1045         ModestRecptEditorPrivate *priv;
1046
1047         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
1048         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
1049
1050         if (GTK_WIDGET_VISIBLE (recpt_editor)) {
1051                 gtk_widget_grab_focus (priv->text_view);
1052         }
1053 }
1054
1055 gboolean
1056 modest_recpt_editor_has_focus (ModestRecptEditor *recpt_editor)
1057 {
1058         ModestRecptEditorPrivate *priv;
1059
1060         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), FALSE);
1061         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
1062
1063         return GTK_WIDGET_VISIBLE (priv->text_view) &&
1064                 gtk_widget_is_focus (priv->text_view);
1065 }
1066
1067 void
1068 modest_recpt_editor_set_show_abook_button (ModestRecptEditor *recpt_editor, gboolean show)
1069 {
1070         ModestRecptEditorPrivate *priv;
1071
1072         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
1073         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
1074
1075         priv->show_abook = show;
1076
1077         if (show)
1078                 gtk_widget_show (priv->abook_button);
1079         else
1080                 gtk_widget_hide (priv->abook_button);
1081 }
1082
1083 gboolean
1084 modest_recpt_editor_get_show_abook_button (ModestRecptEditor *recpt_editor, gboolean show)
1085 {
1086         ModestRecptEditorPrivate *priv;
1087
1088         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), FALSE);
1089         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
1090
1091         return priv->show_abook;
1092
1093 }
1094
1095 static void
1096 modest_recpt_editor_finalize (GObject *object)
1097 {
1098         ModestRecptEditorPrivate *priv;
1099         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (object);
1100
1101         if (g_signal_handler_is_connected (object, priv->on_mark_set_handler))
1102                 g_signal_handler_disconnect (object, priv->on_mark_set_handler);
1103         priv->on_mark_set_handler = 0;
1104
1105         if (priv->recipients) {
1106                 g_free (priv->recipients);
1107                 priv->recipients = NULL;
1108         }
1109
1110         (*parent_class->finalize) (object);
1111
1112         return;
1113 }
1114
1115 static void
1116 modest_recpt_editor_class_init (ModestRecptEditorClass *klass)
1117 {
1118         GObjectClass *object_class;
1119
1120         parent_class = g_type_class_peek_parent (klass);
1121         object_class = (GObjectClass*) klass;
1122
1123         object_class->finalize = modest_recpt_editor_finalize;
1124
1125         g_type_class_add_private (object_class, sizeof (ModestRecptEditorPrivate));
1126
1127         signals[OPEN_ADDRESSBOOK_SIGNAL] =
1128                 g_signal_new ("open-addressbook",
1129                               G_TYPE_FROM_CLASS (object_class),
1130                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
1131                               G_STRUCT_OFFSET (ModestRecptEditorClass, open_addressbook),
1132                               NULL, NULL,
1133                               g_cclosure_marshal_VOID__VOID,
1134                               G_TYPE_NONE, 0);
1135
1136         return;
1137 }
1138
1139 GType
1140 modest_recpt_editor_get_type (void)
1141 {
1142         static GType type = 0;
1143
1144         if (G_UNLIKELY(type == 0))
1145         {
1146                 static const GTypeInfo info =
1147                 {
1148                   sizeof (ModestRecptEditorClass),
1149                   NULL,   /* base_init */
1150                   NULL,   /* base_finalize */
1151                   (GClassInitFunc) modest_recpt_editor_class_init,   /* class_init */
1152                   NULL,   /* class_finalize */
1153                   NULL,   /* class_data */
1154                   sizeof (ModestRecptEditor),
1155                   0,      /* n_preallocs */
1156                   modest_recpt_editor_instance_init    /* instance_init */
1157                 };
1158
1159                 type = g_type_register_static (GTK_TYPE_HBOX,
1160                         "ModestRecptEditor",
1161                         &info, 0);
1162
1163         }
1164
1165         return type;
1166 }