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
  47 static GObjectClass *parent_class = NULL;
  48
  49 #define RECIPIENT_TAG_ID "recpt-id"
  50
  51 /* signals */
  52 enum {
  53         OPEN_ADDRESSBOOK_SIGNAL,
  54         LAST_SIGNAL
  55 };
  56
  57 typedef struct _ModestRecptEditorPrivate ModestRecptEditorPrivate;
  58
  59 struct _ModestRecptEditorPrivate
  60 {
  61         GtkWidget *text_view;
  62         GtkWidget *abook_button;
  63         GtkWidget *scrolled_window;
  64         gchar *recipients;
  65
  66 };
  67
  68 #define MODEST_RECPT_EDITOR_GET_PRIVATE(o)      \
  69         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_RECPT_EDITOR, ModestRecptEditorPrivate))
  70
  71 static guint signals[LAST_SIGNAL] = {0};
  72
  73 /* static functions: GObject */
  74 static void modest_recpt_editor_instance_init (GTypeInstance *instance, gpointer g_class);
  75 static void modest_recpt_editor_finalize (GObject *object);
  76 static void modest_recpt_editor_class_init (ModestRecptEditorClass *klass);
  77
  78 /* widget events */
  79 static void modest_recpt_editor_on_abook_clicked (GtkButton *button,
  80                                                   ModestRecptEditor *editor);
  81 static gboolean modest_recpt_editor_on_button_release_event (GtkWidget *widget,
  82                                                              GdkEventButton *event,
  83                                                              ModestRecptEditor *editor);
  84 static void modest_recpt_editor_move_cursor_to_end (ModestRecptEditor *editor);
  85 static void modest_recpt_editor_on_focus_in (GtkTextView *text_view,
  86                                              GdkEventFocus *event,
  87                                              ModestRecptEditor *editor);
  88 static void modest_recpt_editor_on_insert_text (GtkTextBuffer *buffer,
  89                                                 GtkTextIter *location,
  90                                                 gchar *text,
  91                                                 gint len,
  92                                                 ModestRecptEditor *editor);
  93 static gboolean modest_recpt_editor_on_key_press_event (GtkTextView *text_view,
  94                                                           GdkEventKey *key,
  95                                                           ModestRecptEditor *editor);
  96 static GtkTextTag *iter_has_recipient (GtkTextIter *iter);
  97 static gunichar iter_previous_char (GtkTextIter *iter);
  98 /* static gunichar iter_next_char (GtkTextIter *iter); */
  99 static GtkTextTag *prev_iter_has_recipient (GtkTextIter *iter);
 100 /* static GtkTextTag *next_iter_has_recipient (GtkTextIter *iter); */
 101 static void select_tag_of_iter (GtkTextIter *iter, GtkTextTag *tag);
 102
 103
 104 /**
 105  * modest_recpt_editor_new:
 106  *
 107  * Return value: a new #ModestRecptEditor instance implemented for Gtk+
 108  **/
 109 GtkWidget*
 110 modest_recpt_editor_new (void)
 111 {
 112         ModestRecptEditor *self = g_object_new (MODEST_TYPE_RECPT_EDITOR,
 113                                                 "homogeneous", FALSE,
 114                                                 "spacing", 1,
 115                                                 NULL);
 116
 117         return GTK_WIDGET (self);
 118 }
 119
 120 void
 121 modest_recpt_editor_set_recipients (ModestRecptEditor *recpt_editor, const gchar *recipients)
 122 {
 123         ModestRecptEditorPrivate *priv;
 124         GtkTextBuffer *buffer = NULL;
 125
 126         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 127         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 128
 129         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 130
 131         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 132         gtk_text_buffer_set_text (buffer, recipients, -1);
 133         if (GTK_WIDGET_REALIZED (recpt_editor))
 134                 gtk_widget_queue_resize (GTK_WIDGET (recpt_editor));
 135         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 136
 137 }
 138
 139 void
 140 modest_recpt_editor_add_recipients (ModestRecptEditor *recpt_editor, const gchar *recipients)
 141 {
 142         ModestRecptEditorPrivate *priv;
 143         GtkTextBuffer *buffer = NULL;
 144         GtkTextIter iter;
 145         gchar * string_to_add;
 146
 147         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 148         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 149
 150         if (recipients == NULL)
 151                 return;
 152
 153         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 154
 155         if (gtk_text_buffer_get_char_count (buffer) > 0) {
 156                 string_to_add = g_strconcat (";\n", recipients, NULL);
 157         } else {
 158                 string_to_add = g_strdup (recipients);
 159         }
 160
 161         gtk_text_buffer_get_end_iter (buffer, &iter);
 162
 163         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 164
 165         gtk_text_buffer_insert (buffer, &iter, recipients, -1);
 166
 167         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 168
 169         if (GTK_WIDGET_REALIZED (recpt_editor))
 170                 gtk_widget_queue_resize (GTK_WIDGET (recpt_editor));
 171
 172 }
 173
 174 void
 175 modest_recpt_editor_add_resolved_recipient (ModestRecptEditor *recpt_editor, GSList *email_list, const gchar * recipient_id)
 176 {
 177         ModestRecptEditorPrivate *priv;
 178         GtkTextBuffer *buffer = NULL;
 179         GtkTextIter start, end, iter;
 180         GtkTextTag *tag = NULL;
 181         GSList *node;
 182         gboolean is_first_recipient = TRUE;
 183
 184         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 185         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 186
 187         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 188
 189         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 190         gtk_text_buffer_get_bounds (buffer, &start, &end);
 191         if (gtk_text_buffer_get_char_count (buffer) > 0) {
 192                 gchar * buffer_contents;
 193
 194                 gtk_text_buffer_get_bounds (buffer, &start, &end);
 195                 buffer_contents = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 196                 if (!g_str_has_suffix (buffer_contents, "\n")) {
 197                         if (g_str_has_suffix (buffer_contents, ";")||(g_str_has_suffix (buffer_contents, ",")))
 198                                 gtk_text_buffer_insert (buffer, &end, "\n", -1);
 199                         else
 200                                 gtk_text_buffer_insert (buffer, &end, ";\n", -1);
 201                 }
 202                 g_free (buffer_contents);
 203         }
 204
 205         gtk_text_buffer_get_end_iter (buffer, &iter);
 206
 207         tag = gtk_text_buffer_create_tag (buffer, NULL,
 208                                           "underline", PANGO_UNDERLINE_SINGLE,
 209                                           "wrap-mode", GTK_WRAP_NONE,
 210                                           "editable", TRUE, NULL);
 211
 212         g_object_set_data (G_OBJECT (tag), "recipient-tag-id", GINT_TO_POINTER (RECIPIENT_TAG_ID));
 213         g_object_set_data_full (G_OBJECT (tag), "recipient-id", g_strdup (recipient_id), (GDestroyNotify) g_free);
 214
 215         for (node = email_list; node != NULL; node = g_slist_next (node)) {
 216                 gchar *recipient = (gchar *) node->data;
 217
 218                 if ((recipient) && (strlen (recipient) != 0)) {
 219
 220                         if (!is_first_recipient)
 221                         gtk_text_buffer_insert (buffer, &iter, "\n", -1);
 222
 223                         gtk_text_buffer_insert_with_tags (buffer, &iter, recipient, -1, tag, NULL);
 224                         gtk_text_buffer_insert (buffer, &iter, ";", -1);
 225                         is_first_recipient = FALSE;
 226                 }
 227         }
 228         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 229
 230         modest_recpt_editor_move_cursor_to_end (recpt_editor);
 231
 232 }
 233
 234
 235 const gchar *
 236 modest_recpt_editor_get_recipients (ModestRecptEditor *recpt_editor)
 237 {
 238         ModestRecptEditorPrivate *priv;
 239         GtkTextBuffer *buffer = NULL;
 240         GtkTextIter start, end;
 241         gchar *c;
 242
 243         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), NULL);
 244         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 245
 246         if (priv->recipients != NULL) {
 247                 g_free (priv->recipients);
 248                 priv->recipients = NULL;
 249         }
 250
 251         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 252
 253         gtk_text_buffer_get_start_iter (buffer, &start);
 254         gtk_text_buffer_get_end_iter (buffer, &end);
 255
 256         priv->recipients = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 257         for (c = priv->recipients; *c == '\0'; c++) {
 258                 if (*c == '\n')
 259                         *c = ' ';
 260         }
 261
 262         return priv->recipients;
 263
 264 }
 265
 266 static void
 267 modest_recpt_editor_instance_init (GTypeInstance *instance, gpointer g_class)
 268 {
 269         ModestRecptEditorPrivate *priv;
 270         GtkWidget *abook_icon;
 271         GtkTextBuffer *buffer;
 272
 273         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (instance);
 274
 275         priv->abook_button = gtk_button_new ();
 276         gtk_button_set_relief (GTK_BUTTON (priv->abook_button), GTK_RELIEF_NONE);
 277         gtk_button_set_focus_on_click (GTK_BUTTON (priv->abook_button), FALSE);
 278         GTK_WIDGET_UNSET_FLAGS (priv->abook_button, GTK_CAN_FOCUS);
 279         gtk_button_set_alignment (GTK_BUTTON (priv->abook_button), 1.0, 1.0);
 280         abook_icon = gtk_image_new_from_icon_name ("qgn_list_gene_contacts", GTK_ICON_SIZE_BUTTON);
 281         gtk_container_add (GTK_CONTAINER (priv->abook_button), abook_icon);
 282
 283         priv->text_view = gtk_text_view_new ();
 284         priv->scrolled_window = modest_scroll_text_new (GTK_TEXT_VIEW (priv->text_view), 5);
 285         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 286         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->scrolled_window), GTK_SHADOW_IN);
 287 /*      gtk_container_add (GTK_CONTAINER (priv->scrolled_window), priv->text_view); */
 288
 289         gtk_box_pack_start (GTK_BOX (instance), priv->scrolled_window, TRUE, TRUE, 0);
 290 /*      gtk_box_pack_start (GTK_BOX (instance), priv->text_view, TRUE, TRUE, 0); */
 291         gtk_box_pack_end (GTK_BOX (instance), priv->abook_button, FALSE, FALSE, 0);
 292
 293         gtk_text_view_set_accepts_tab (GTK_TEXT_VIEW (priv->text_view), FALSE);
 294         gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (priv->text_view), TRUE);
 295         gtk_text_view_set_editable (GTK_TEXT_VIEW (priv->text_view), TRUE);
 296
 297         gtk_text_view_set_justification (GTK_TEXT_VIEW (priv->text_view), GTK_JUSTIFY_LEFT);
 298         gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (priv->text_view), GTK_WRAP_CHAR);
 299
 300         gtk_widget_set_size_request (priv->text_view, 75, -1);
 301
 302         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 303         g_signal_connect (G_OBJECT (priv->abook_button), "clicked", G_CALLBACK (modest_recpt_editor_on_abook_clicked), instance);
 304         g_signal_connect (G_OBJECT (priv->text_view), "button-release-event", G_CALLBACK (modest_recpt_editor_on_button_release_event), instance);
 305         g_signal_connect (G_OBJECT (priv->text_view), "key-press-event", G_CALLBACK (modest_recpt_editor_on_key_press_event), instance);
 306         g_signal_connect (G_OBJECT (priv->text_view), "focus-in-event", G_CALLBACK (modest_recpt_editor_on_focus_in), instance);
 307         g_signal_connect (G_OBJECT (buffer), "insert-text", G_CALLBACK (modest_recpt_editor_on_insert_text), instance);
 308
 309 /*      gtk_container_set_focus_child (GTK_CONTAINER (instance), priv->text_view); */
 310
 311         return;
 312 }
 313
 314 void
 315 modest_recpt_editor_set_field_size_group (ModestRecptEditor *recpt_editor, GtkSizeGroup *size_group)
 316 {
 317         ModestRecptEditorPrivate *priv;
 318
 319         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 320         g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
 321         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 322
 323         gtk_size_group_add_widget (size_group, priv->scrolled_window);
 324 }
 325
 326 GtkTextBuffer *
 327 modest_recpt_editor_get_buffer (ModestRecptEditor *recpt_editor)
 328 {
 329         ModestRecptEditorPrivate *priv;
 330
 331         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), NULL);
 332         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 333
 334         return gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 335 }
 336
 337 static void
 338 modest_recpt_editor_on_abook_clicked (GtkButton *button, ModestRecptEditor *editor)
 339 {
 340         g_return_if_fail (MODEST_IS_RECPT_EDITOR (editor));
 341
 342         g_signal_emit_by_name (G_OBJECT (editor), "open-addressbook");
 343 }
 344
 345 static gboolean
 346 modest_recpt_editor_on_button_release_event (GtkWidget *widget,
 347                                              GdkEventButton *event,
 348                                              ModestRecptEditor *recpt_editor)
 349 {
 350         ModestRecptEditorPrivate *priv;
 351         GtkTextIter location, start, end;
 352         GtkTextMark *mark;
 353         GtkTextBuffer *buffer;
 354         GtkTextTag *tag;
 355         gboolean selection_changed = FALSE;
 356
 357         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 358
 359         buffer = modest_recpt_editor_get_buffer (recpt_editor);
 360         mark = gtk_text_buffer_get_insert (buffer);
 361         gtk_text_buffer_get_iter_at_mark (buffer, &location, mark);
 362         g_message ("RELEASE OFFSET %d", gtk_text_iter_get_offset (&location));
 363
 364         gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
 365
 366         tag = iter_has_recipient (&start);
 367         if (tag != NULL)
 368                 if (!gtk_text_iter_begins_tag (&start, tag)) {
 369                         gtk_text_iter_backward_to_tag_toggle (&start, tag);
 370                         selection_changed = TRUE;
 371                 }
 372
 373         tag = iter_has_recipient (&end);
 374         if (tag != NULL)
 375                 if (!gtk_text_iter_ends_tag (&end, tag)) {
 376                         gtk_text_iter_forward_to_tag_toggle (&end, tag);
 377                         selection_changed = TRUE;
 378                 }
 379
 380         gtk_text_buffer_select_range (buffer, &start, &end);
 381
 382         return FALSE;
 383 }
 384
 385 static void
 386 modest_recpt_editor_on_focus_in (GtkTextView *text_view,
 387                                  GdkEventFocus *event,
 388                                  ModestRecptEditor *editor)
 389 {
 390         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 391         modest_recpt_editor_move_cursor_to_end (editor);
 392         gtk_text_view_place_cursor_onscreen (GTK_TEXT_VIEW (priv->text_view));
 393 }
 394
 395 static void
 396 modest_recpt_editor_on_insert_text (GtkTextBuffer *buffer,
 397                                     GtkTextIter *location,
 398                                     gchar *text,
 399                                     gint len,
 400                                     ModestRecptEditor *editor)
 401 {
 402         GtkTextIter prev;
 403         gunichar prev_char;
 404         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 405
 406         if (iter_has_recipient (location)) {
 407                 gtk_text_buffer_get_end_iter (buffer, location);
 408                 gtk_text_buffer_place_cursor (buffer, location);
 409         }
 410
 411         if (gtk_text_iter_is_start (location))
 412                 return;
 413
 414         if (gtk_text_iter_is_end (location)) {
 415                 prev = *location;
 416                 if (!gtk_text_iter_backward_char (&prev))
 417                         return;
 418                 prev_char = gtk_text_iter_get_char (&prev);
 419                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 420                 if (prev_char == ';'||prev_char == ',') {
 421                         GtkTextMark *insert;
 422                         gtk_text_buffer_insert (buffer, location, "\n",-1);
 423                         insert = gtk_text_buffer_get_insert (buffer);
 424                         gtk_text_view_scroll_to_iter (GTK_TEXT_VIEW (priv->text_view), location, 0.0,TRUE, 0.0, 1.0);
 425                 }
 426                 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 427
 428         }
 429
 430 }
 431
 432 static GtkTextTag *
 433 iter_has_recipient (GtkTextIter *iter)
 434 {
 435         GSList *tags, *node;
 436         GtkTextTag *result = NULL;
 437
 438         tags = gtk_text_iter_get_tags (iter);
 439
 440         for (node = tags; node != NULL; node = g_slist_next (node)) {
 441                 GtkTextTag *tag = GTK_TEXT_TAG (node->data);
 442
 443                 if (g_object_get_data (G_OBJECT (tag), "recipient-tag-id")) {
 444                         result = tag;
 445                         break;
 446                 }
 447         }
 448         g_slist_free (tags);
 449         return result;
 450 }
 451
 452 static GtkTextTag *
 453 prev_iter_has_recipient (GtkTextIter *iter)
 454 {
 455         GtkTextIter prev;
 456
 457         prev = *iter;
 458         gtk_text_iter_backward_char (&prev);
 459         return iter_has_recipient (&prev);
 460 }
 461
 462 /* static GtkTextTag * */
 463 /* next_iter_has_recipient (GtkTextIter *iter) */
 464 /* { */
 465 /*      GtkTextIter next; */
 466
 467 /*      next = *iter; */
 468 /*      return iter_has_recipient (&next); */
 469 /* } */
 470
 471 static gunichar
 472 iter_previous_char (GtkTextIter *iter)
 473 {
 474         GtkTextIter prev;
 475
 476         prev = *iter;
 477         gtk_text_iter_backward_char (&prev);
 478         return gtk_text_iter_get_char (&prev);
 479 }
 480
 481 /* static gunichar  */
 482 /* iter_next_char (GtkTextIter *iter) */
 483 /* { */
 484 /*      GtkTextIter next; */
 485
 486 /*      next = *iter; */
 487 /*      gtk_text_iter_forward_char (&next); */
 488 /*      return gtk_text_iter_get_char (&next); */
 489 /* } */
 490
 491 static void
 492 select_tag_of_iter (GtkTextIter *iter, GtkTextTag *tag)
 493 {
 494         GtkTextIter start, end;
 495
 496         start = *iter;
 497         if (!gtk_text_iter_begins_tag (&start, tag))
 498                 gtk_text_iter_backward_to_tag_toggle (&start, tag);
 499         end = *iter;
 500         if (!gtk_text_iter_ends_tag (&end, tag))
 501                 gtk_text_iter_forward_to_tag_toggle (&end, tag);
 502         gtk_text_buffer_select_range (gtk_text_iter_get_buffer (iter), &start, &end);
 503 }
 504
 505 static gboolean
 506 modest_recpt_editor_on_key_press_event (GtkTextView *text_view,
 507                                           GdkEventKey *key,
 508                                           ModestRecptEditor *editor)
 509 {
 510         GtkTextMark *insert;
 511         GtkTextBuffer * buffer;
 512         GtkTextIter location;
 513         GtkTextTag *tag;
 514
 515         buffer = gtk_text_view_get_buffer (text_view);
 516         insert = gtk_text_buffer_get_insert (buffer);
 517
 518         /* cases to cover:
 519          *    * cursor is on resolved recipient:
 520          *        - right should go to first character after the recipient (usually ; or ,)
 521          *        - left should fo to the first character before the recipient
 522          *        - return should run check names on the recipient.
 523          *    * cursor is just after a recipient:
 524          *        - right should go to the next character. If it's a recipient, should select
 525          *          it
 526          *        - left should go to the previous character. If it's a recipient, should go
 527          *          to the first character of the recipient, and select it.
 528          *    * cursor is on arbitrary text:
 529          *        - return should add a ; and go to the next line
 530          *        - left or right standard ones.
 531          *    * cursor is after a \n:
 532          *        - left should go to the character before the \n (as if \n was not a character)
 533          *    * cursor is before a \n:
 534          *        - right should go to the character after the \n
 535          */
 536
 537         gtk_text_buffer_get_iter_at_mark (buffer, &location, insert);
 538
 539         switch (key->keyval) {
 540         case GDK_Left:
 541         case GDK_KP_Left:
 542         {
 543                 gboolean cursor_ready = FALSE;
 544                 while (!cursor_ready) {
 545                         if (iter_previous_char (&location) == '\n') {
 546                                 g_message ("INTRO FOUND");
 547                                 gtk_text_iter_backward_char (&location);
 548                         } else {
 549                                 cursor_ready = TRUE;
 550                         }
 551                 }
 552                 tag = iter_has_recipient (&location);
 553                 if ((tag != NULL)&& (gtk_text_iter_is_start (&location) || !(gtk_text_iter_begins_tag (&location, tag)))) {
 554                         select_tag_of_iter (&location, tag);
 555                         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 556                         return TRUE;
 557                 }
 558                 gtk_text_iter_backward_char (&location);
 559                 tag = iter_has_recipient (&location);
 560                 if (tag != NULL)
 561                         select_tag_of_iter (&location, tag);
 562                 else {
 563                         gtk_text_buffer_place_cursor (buffer, &location);
 564                 }
 565                 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 566
 567                 return TRUE;
 568         }
 569         break;
 570         case GDK_Right:
 571         case GDK_KP_Right:
 572         {
 573                 gboolean cursor_moved = FALSE;
 574
 575                 tag = iter_has_recipient (&location);
 576                 if ((tag != NULL)&&(!gtk_text_iter_ends_tag (&location, tag))) {
 577                         gtk_text_iter_forward_to_tag_toggle (&location, tag);
 578                         while (gtk_text_iter_get_char (&location) == '\n')
 579                                 gtk_text_iter_forward_char (&location);
 580                         gtk_text_buffer_place_cursor (buffer, &location);
 581                         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 582                         return TRUE;
 583                 }
 584
 585                 while (gtk_text_iter_get_char (&location) == '\n') {
 586                         gtk_text_iter_forward_char (&location);
 587                         cursor_moved = TRUE;
 588                 }
 589                 if (!cursor_moved)
 590                         gtk_text_iter_forward_char (&location);
 591                 while (gtk_text_iter_get_char (&location) == '\n') {
 592                         gtk_text_iter_forward_char (&location);
 593                         cursor_moved = TRUE;
 594                 }
 595
 596                 tag = iter_has_recipient (&location);
 597                 if (tag != NULL)
 598                         select_tag_of_iter (&location, tag);
 599                 else
 600                         gtk_text_buffer_place_cursor (buffer, &location);
 601                 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 602                 return TRUE;
 603         }
 604         break;
 605         case GDK_Return:
 606         case GDK_KP_Enter:
 607         {
 608                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 609                 tag = iter_has_recipient (&location);
 610                 if (tag != NULL) {
 611                         gtk_text_buffer_get_end_iter (buffer, &location);
 612                         gtk_text_buffer_place_cursor (buffer, &location);
 613                         if ((iter_previous_char (&location) != ';')&&(iter_previous_char (&location) != ','))
 614                                 gtk_text_buffer_insert_at_cursor (buffer, ";", -1);
 615                         gtk_text_buffer_insert_at_cursor (buffer, "\n", -1);
 616                 } else {
 617                         gunichar prev_char = iter_previous_char (&location);
 618                         if ((gtk_text_iter_is_start (&location))||(prev_char == '\n')
 619                             ||(prev_char == ';')||(prev_char == ','))
 620                                 g_signal_emit_by_name (G_OBJECT (editor), "open-addressbook");
 621                         else {
 622                                 if ((prev_char != ';') && (prev_char != ','))
 623                                         gtk_text_buffer_insert_at_cursor (buffer, ";", -1);
 624                                 gtk_text_buffer_insert_at_cursor (buffer, "\n", -1);
 625                         }
 626                 }
 627                 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 628                 return TRUE;
 629         }
 630         break;
 631         case GDK_BackSpace:
 632         {
 633                 #if GTK_CHECK_VERSION(2, 10, 0) /* gtk_text_buffer_get_has_selection is only available in GTK+ 2.10 */
 634                 if (gtk_text_buffer_get_has_selection (buffer)) {
 635                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 636                         return TRUE;
 637                 }
 638                 #else
 639                 if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
 640                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 641                         return TRUE;
 642                 }
 643                 #endif
 644
 645                 tag = prev_iter_has_recipient (&location);
 646                 if (tag != NULL) {
 647                         GtkTextIter iter_in_tag;
 648                         iter_in_tag = location;
 649                         g_message ("DELETE PREV SELECTION");
 650                         gtk_text_iter_backward_char (&iter_in_tag);
 651                         select_tag_of_iter (&iter_in_tag, tag);
 652                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 653                         return TRUE;
 654                 }
 655                 return FALSE;
 656         }
 657         break;
 658         default:
 659                 return FALSE;
 660         }
 661 }
 662
 663 static void
 664 modest_recpt_editor_move_cursor_to_end (ModestRecptEditor *editor)
 665 {
 666         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 667         GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 668         GtkTextIter start, end;
 669
 670         gtk_text_buffer_get_end_iter (buffer, &start);
 671         end = start;
 672         gtk_text_buffer_select_range (buffer, &start, &end);
 673
 674
 675 }
 676
 677 void
 678 modest_recpt_editor_grab_focus (ModestRecptEditor *recpt_editor)
 679 {
 680         ModestRecptEditorPrivate *priv;
 681
 682         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 683         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 684
 685         gtk_widget_grab_focus (priv->text_view);
 686 }
 687
 688 static void
 689 modest_recpt_editor_finalize (GObject *object)
 690 {
 691         (*parent_class->finalize) (object);
 692
 693         return;
 694 }
 695
 696 static void
 697 modest_recpt_editor_class_init (ModestRecptEditorClass *klass)
 698 {
 699         GObjectClass *object_class;
 700         GtkWidgetClass *widget_class;
 701
 702         parent_class = g_type_class_peek_parent (klass);
 703         object_class = (GObjectClass*) klass;
 704         widget_class = GTK_WIDGET_CLASS (klass);
 705
 706         object_class->finalize = modest_recpt_editor_finalize;
 707
 708         g_type_class_add_private (object_class, sizeof (ModestRecptEditorPrivate));
 709
 710         signals[OPEN_ADDRESSBOOK_SIGNAL] =
 711                 g_signal_new ("open-addressbook",
 712                               G_TYPE_FROM_CLASS (object_class),
 713                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 714                               G_STRUCT_OFFSET (ModestRecptEditorClass, open_addressbook),
 715                               NULL, NULL,
 716                               g_cclosure_marshal_VOID__VOID,
 717                               G_TYPE_NONE, 0);
 718
 719         return;
 720 }
 721
 722 GType
 723 modest_recpt_editor_get_type (void)
 724 {
 725         static GType type = 0;
 726
 727         if (G_UNLIKELY(type == 0))
 728         {
 729                 static const GTypeInfo info =
 730                 {
 731                   sizeof (ModestRecptEditorClass),
 732                   NULL,   /* base_init */
 733                   NULL,   /* base_finalize */
 734                   (GClassInitFunc) modest_recpt_editor_class_init,   /* class_init */
 735                   NULL,   /* class_finalize */
 736                   NULL,   /* class_data */
 737                   sizeof (ModestRecptEditor),
 738                   0,      /* n_preallocs */
 739                   modest_recpt_editor_instance_init    /* instance_init */
 740                 };
 741
 742                 type = g_type_register_static (GTK_TYPE_HBOX,
 743                         "ModestRecptEditor",
 744                         &info, 0);
 745
 746         }
 747
 748         return type;
 749 }