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
  75 };
  76
  77 #define MODEST_RECPT_EDITOR_GET_PRIVATE(o)      \
  78         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_RECPT_EDITOR, ModestRecptEditorPrivate))
  79
  80 static guint signals[LAST_SIGNAL] = {0};
  81
  82 /* static functions: GObject */
  83 static void modest_recpt_editor_instance_init (GTypeInstance *instance, gpointer g_class);
  84 static void modest_recpt_editor_finalize (GObject *object);
  85 static void modest_recpt_editor_class_init (ModestRecptEditorClass *klass);
  86
  87 /* widget events */
  88 static void modest_recpt_editor_on_abook_clicked (GtkButton *button,
  89                                                   ModestRecptEditor *editor);
  90 static gboolean modest_recpt_editor_on_button_release_event (GtkWidget *widget,
  91                                                              GdkEventButton *event,
  92                                                              ModestRecptEditor *editor);
  93 static void modest_recpt_editor_move_cursor_to_end (ModestRecptEditor *editor);
  94 static gboolean modest_recpt_editor_on_focus_in (GtkTextView *text_view,
  95                                              GdkEventFocus *event,
  96                                              ModestRecptEditor *editor);
  97 static void modest_recpt_editor_on_insert_text (GtkTextBuffer *buffer,
  98                                                 GtkTextIter *location,
  99                                                 gchar *text,
 100                                                 gint len,
 101                                                 ModestRecptEditor *editor);
 102 static gboolean modest_recpt_editor_on_key_press_event (GtkTextView *text_view,
 103                                                           GdkEventKey *key,
 104                                                           ModestRecptEditor *editor);
 105 static GtkTextTag *iter_has_recipient (GtkTextIter *iter);
 106 static gunichar iter_previous_char (GtkTextIter *iter);
 107 /* static gunichar iter_next_char (GtkTextIter *iter); */
 108 static GtkTextTag *prev_iter_has_recipient (GtkTextIter *iter);
 109 /* static GtkTextTag *next_iter_has_recipient (GtkTextIter *iter); */
 110 static void select_tag_of_iter (GtkTextIter *iter, GtkTextTag *tag);
 111 static gboolean quote_opened (GtkTextIter *iter);
 112 static gboolean is_valid_insert (const gchar *text, gint len);
 113 static gchar *create_valid_text (const gchar *text, gint len);
 114
 115 /**
 116  * modest_recpt_editor_new:
 117  *
 118  * Return value: a new #ModestRecptEditor instance implemented for Gtk+
 119  **/
 120 GtkWidget*
 121 modest_recpt_editor_new (void)
 122 {
 123         ModestRecptEditor *self = g_object_new (MODEST_TYPE_RECPT_EDITOR,
 124                                                 "homogeneous", FALSE,
 125                                                 "spacing", MODEST_MARGIN_DOUBLE,
 126                                                 NULL);
 127
 128         return GTK_WIDGET (self);
 129 }
 130
 131 void
 132 modest_recpt_editor_set_recipients (ModestRecptEditor *recpt_editor, const gchar *recipients)
 133 {
 134         ModestRecptEditorPrivate *priv;
 135         GtkTextBuffer *buffer = NULL;
 136         gchar *valid_recipients = NULL;
 137
 138         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 139         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 140
 141 #ifdef MODEST_TOOLKIT_HILDON2
 142         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 143 #else
 144         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 145 #endif
 146
 147         valid_recipients = create_valid_text (recipients, -1);
 148         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 149         gtk_text_buffer_set_text (buffer, valid_recipients, -1);
 150         g_free (valid_recipients);
 151         if (GTK_WIDGET_REALIZED (recpt_editor))
 152                 gtk_widget_queue_resize (GTK_WIDGET (recpt_editor));
 153         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 154
 155 }
 156
 157 void
 158 modest_recpt_editor_add_recipients (ModestRecptEditor *recpt_editor, const gchar *recipients)
 159 {
 160         ModestRecptEditorPrivate *priv;
 161         GtkTextBuffer *buffer = NULL;
 162         GtkTextIter iter;
 163         gchar *string_to_add;
 164
 165         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 166         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 167
 168         if (recipients == NULL)
 169                 return;
 170
 171 #ifdef MODEST_TOOLKIT_HILDON2
 172         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 173 #else
 174         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 175 #endif
 176
 177         if (gtk_text_buffer_get_char_count (buffer) > 0) {
 178                 string_to_add = g_strconcat (";\n", recipients, NULL);
 179         } else {
 180                 string_to_add = g_strdup (recipients);
 181         }
 182
 183         gtk_text_buffer_get_end_iter (buffer, &iter);
 184
 185         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 186
 187         gtk_text_buffer_insert (buffer, &iter, string_to_add, -1);
 188
 189         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 190
 191         if (GTK_WIDGET_REALIZED (recpt_editor))
 192                 gtk_widget_queue_resize (GTK_WIDGET (recpt_editor));
 193
 194         g_free (string_to_add);
 195 }
 196
 197 void
 198 modest_recpt_editor_add_resolved_recipient (ModestRecptEditor *recpt_editor, GSList *email_list, const gchar * recipient_id)
 199 {
 200         ModestRecptEditorPrivate *priv;
 201         GtkTextBuffer *buffer = NULL;
 202         GtkTextIter start, end, iter;
 203         GtkTextTag *tag = NULL;
 204         GSList *node;
 205         gboolean is_first_recipient = TRUE;
 206
 207         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 208         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 209
 210 #ifdef MODEST_TOOLKIT_HILDON2
 211         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 212 #else
 213         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 214 #endif
 215
 216         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 217         gtk_text_buffer_get_bounds (buffer, &start, &end);
 218         if (gtk_text_buffer_get_char_count (buffer) > 0) {
 219                 gchar * buffer_contents;
 220
 221                 gtk_text_buffer_get_bounds (buffer, &start, &end);
 222                 buffer_contents = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 223                 if (!g_str_has_suffix (buffer_contents, "\n")) {
 224                         if (g_str_has_suffix (buffer_contents, ";")||(g_str_has_suffix (buffer_contents, ",")))
 225                                 gtk_text_buffer_insert (buffer, &end, "\n", -1);
 226                         else
 227                                 gtk_text_buffer_insert (buffer, &end, ";\n", -1);
 228                 }
 229                 g_free (buffer_contents);
 230         }
 231
 232         gtk_text_buffer_get_end_iter (buffer, &iter);
 233
 234         tag = gtk_text_buffer_create_tag (buffer, NULL,
 235                                           "underline", PANGO_UNDERLINE_SINGLE,
 236                                           "wrap-mode", GTK_WRAP_NONE,
 237                                           "editable", TRUE, NULL);
 238
 239         g_object_set_data (G_OBJECT (tag), "recipient-tag-id", GINT_TO_POINTER (RECIPIENT_TAG_ID));
 240         g_object_set_data_full (G_OBJECT (tag), "recipient-id", g_strdup (recipient_id), (GDestroyNotify) g_free);
 241
 242         for (node = email_list; node != NULL; node = g_slist_next (node)) {
 243                 gchar *recipient = (gchar *) node->data;
 244
 245                 if ((recipient) && (strlen (recipient) != 0)) {
 246
 247                         if (!is_first_recipient)
 248                         gtk_text_buffer_insert (buffer, &iter, "\n", -1);
 249
 250                         gtk_text_buffer_insert_with_tags (buffer, &iter, recipient, -1, tag, NULL);
 251                         gtk_text_buffer_insert (buffer, &iter, ";", -1);
 252                         is_first_recipient = FALSE;
 253                 }
 254         }
 255         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 256
 257         modest_recpt_editor_move_cursor_to_end (recpt_editor);
 258
 259 }
 260
 261 void
 262 modest_recpt_editor_replace_with_resolved_recipient (ModestRecptEditor *recpt_editor,
 263                                                      GtkTextIter *start, GtkTextIter *end,
 264                                                      GSList *email_list, const gchar * recipient_id)
 265 {
 266         ModestRecptEditorPrivate *priv;
 267         GtkTextBuffer *buffer;
 268         GtkTextTag *tag;
 269         GSList *node;
 270         gboolean is_first_recipient = TRUE;
 271
 272         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 273         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 274
 275 #ifdef MODEST_TOOLKIT_HILDON2
 276         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 277 #else
 278         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 279 #endif
 280         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 281
 282         gtk_text_buffer_delete (buffer, start, end);
 283
 284         if (email_list) {
 285
 286                 tag = gtk_text_buffer_create_tag (buffer, NULL,
 287                                                   "underline", PANGO_UNDERLINE_SINGLE,
 288                                                   "wrap-mode", GTK_WRAP_NONE,
 289                                                   "editable", TRUE, NULL);
 290
 291                 g_object_set_data (G_OBJECT (tag), "recipient-tag-id", GINT_TO_POINTER (RECIPIENT_TAG_ID));
 292                 g_object_set_data_full (G_OBJECT (tag), "recipient-id", g_strdup (recipient_id), (GDestroyNotify) g_free);
 293
 294                 for (node = email_list; node != NULL; node = g_slist_next (node)) {
 295                         gchar *recipient = (gchar *) node->data;
 296
 297                         if ((recipient) && (strlen (recipient) != 0)) {
 298
 299                                 if (!is_first_recipient)
 300                                         gtk_text_buffer_insert (buffer, start, "\n", -1);
 301
 302                                 gtk_text_buffer_insert_with_tags (buffer, start, recipient, -1, tag, NULL);
 303
 304                                 if (node->next != NULL)
 305                                         gtk_text_buffer_insert (buffer, start, ";", -1);
 306                                 is_first_recipient = FALSE;
 307                         }
 308                 }
 309         }
 310         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 311
 312 }
 313
 314
 315 const gchar *
 316 modest_recpt_editor_get_recipients (ModestRecptEditor *recpt_editor)
 317 {
 318         ModestRecptEditorPrivate *priv;
 319         GtkTextBuffer *buffer = NULL;
 320         GtkTextIter start, end;
 321         gchar *c;
 322
 323         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), NULL);
 324         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 325
 326         if (priv->recipients != NULL) {
 327                 g_free (priv->recipients);
 328                 priv->recipients = NULL;
 329         }
 330
 331 #ifdef MODEST_TOOKIT_HILDON2
 332         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 333 #else
 334         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 335 #endif
 336
 337         gtk_text_buffer_get_start_iter (buffer, &start);
 338         gtk_text_buffer_get_end_iter (buffer, &end);
 339
 340         priv->recipients = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 341         for (c = priv->recipients; *c != '\0'; c = g_utf8_next_char (c)) {
 342                 if (*c == '\n') {
 343                         *c = ' ';
 344                 }
 345         }
 346
 347         return priv->recipients;
 348
 349 }
 350
 351 static void
 352 modest_recpt_editor_instance_init (GTypeInstance *instance, gpointer g_class)
 353 {
 354         ModestRecptEditorPrivate *priv;
 355         GtkWidget *abook_icon;
 356         GtkTextBuffer *buffer;
 357
 358         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (instance);
 359
 360         priv->abook_button = gtk_button_new ();
 361 #ifdef MODEST_TOOLKIT_HILDON2
 362         gtk_widget_set_size_request (priv->abook_button, RECPT_BUTTON_WIDTH_HILDON2, -1);
 363 #else
 364         gtk_button_set_relief (GTK_BUTTON (priv->abook_button), GTK_RELIEF_NONE);
 365 #endif
 366         gtk_button_set_focus_on_click (GTK_BUTTON (priv->abook_button), FALSE);
 367         GTK_WIDGET_UNSET_FLAGS (priv->abook_button, GTK_CAN_FOCUS);
 368         gtk_button_set_alignment (GTK_BUTTON (priv->abook_button), 0.5, 0.5);
 369 #ifdef MODEST_TOOLKIT_HILDON2
 370         abook_icon = gtk_image_new_from_icon_name ("general_contacts", HILDON_ICON_SIZE_FINGER);
 371 #else
 372         abook_icon = gtk_image_new_from_icon_name ("qgn_list_addressbook", GTK_ICON_SIZE_BUTTON);
 373 #endif
 374         gtk_container_add (GTK_CONTAINER (priv->abook_button), abook_icon);
 375
 376 #ifdef MODEST_TOOLKIT_HILDON2
 377         priv->text_view = hildon_text_view_new ();
 378 #else
 379         priv->text_view = gtk_text_view_new ();
 380 #endif
 381         /* Auto-capitalization is the default, so let's turn it off: */
 382 #ifdef MAEMO_CHANGES
 383         hildon_gtk_text_view_set_input_mode (GTK_TEXT_VIEW (priv->text_view),
 384                 HILDON_GTK_INPUT_MODE_FULL);
 385 #endif
 386
 387         priv->recipients = NULL;
 388
 389 #ifdef MODEST_TOOLKIT_HILDON2
 390         priv->scrolled_window = NULL;
 391         gtk_box_pack_start (GTK_BOX (instance), priv->text_view, TRUE, TRUE, 0);
 392 #else
 393         priv->scrolled_window = modest_scroll_text_new (GTK_TEXT_VIEW (priv->text_view), 1024);
 394         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window), GTK_POLICY_NEVER,
 395                                         GTK_POLICY_AUTOMATIC);
 396         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->scrolled_window), GTK_SHADOW_IN);
 397 /*      gtk_container_add (GTK_CONTAINER (priv->scrolled_window), priv->text_view); */
 398
 399         gtk_box_pack_start (GTK_BOX (instance), priv->scrolled_window, TRUE, TRUE, 0);
 400 /*      gtk_box_pack_start (GTK_BOX (instance), priv->text_view, TRUE, TRUE, 0); */
 401 #endif
 402         gtk_box_pack_end (GTK_BOX (instance), priv->abook_button, FALSE, FALSE, 0);
 403
 404         gtk_text_view_set_accepts_tab (GTK_TEXT_VIEW (priv->text_view), FALSE);
 405         gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (priv->text_view), TRUE);
 406         gtk_text_view_set_editable (GTK_TEXT_VIEW (priv->text_view), TRUE);
 407
 408         gtk_text_view_set_justification (GTK_TEXT_VIEW (priv->text_view), GTK_JUSTIFY_LEFT);
 409         gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (priv->text_view), GTK_WRAP_CHAR);
 410
 411         gtk_widget_set_size_request (priv->text_view, 75, -1);
 412
 413 #ifdef MODEST_TOOLKIT_HILDON2
 414         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 415 #else
 416         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 417 #endif
 418         g_signal_connect (G_OBJECT (priv->abook_button), "clicked", G_CALLBACK (modest_recpt_editor_on_abook_clicked), instance);
 419         g_signal_connect (G_OBJECT (priv->text_view), "button-release-event", G_CALLBACK (modest_recpt_editor_on_button_release_event), instance);
 420         g_signal_connect (G_OBJECT (priv->text_view), "key-press-event", G_CALLBACK (modest_recpt_editor_on_key_press_event), instance);
 421         g_signal_connect (G_OBJECT (priv->text_view), "focus-in-event", G_CALLBACK (modest_recpt_editor_on_focus_in), instance);
 422         g_signal_connect (G_OBJECT (buffer), "insert-text", G_CALLBACK (modest_recpt_editor_on_insert_text), instance);
 423
 424 /*      gtk_container_set_focus_child (GTK_CONTAINER (instance), priv->text_view); */
 425
 426         return;
 427 }
 428
 429 void
 430 modest_recpt_editor_set_field_size_group (ModestRecptEditor *recpt_editor, GtkSizeGroup *size_group)
 431 {
 432         ModestRecptEditorPrivate *priv;
 433
 434         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 435         g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
 436         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 437
 438 #ifdef MODEST_TOOLKIT_HILDON2
 439         gtk_size_group_add_widget (size_group, priv->text_view);
 440 #else
 441         gtk_size_group_add_widget (size_group, priv->scrolled_window);
 442 #endif
 443 }
 444
 445 GtkTextBuffer *
 446 modest_recpt_editor_get_buffer (ModestRecptEditor *recpt_editor)
 447 {
 448         ModestRecptEditorPrivate *priv;
 449
 450         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), NULL);
 451         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 452
 453 #ifdef MODEST_TOOLKIT_HILDON2
 454         return hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 455 #else
 456         return gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 457 #endif
 458 }
 459
 460 static void
 461 modest_recpt_editor_on_abook_clicked (GtkButton *button, ModestRecptEditor *editor)
 462 {
 463         g_return_if_fail (MODEST_IS_RECPT_EDITOR (editor));
 464
 465         g_signal_emit_by_name (G_OBJECT (editor), "open-addressbook");
 466 }
 467
 468 static gboolean
 469 modest_recpt_editor_on_button_release_event (GtkWidget *widget,
 470                                              GdkEventButton *event,
 471                                              ModestRecptEditor *recpt_editor)
 472 {
 473         ModestRecptEditorPrivate *priv;
 474         GtkTextIter location, start, end;
 475         GtkTextMark *mark;
 476         GtkTextBuffer *buffer;
 477         GtkTextTag *tag;
 478         gboolean selection_changed = FALSE;
 479
 480         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 481
 482         buffer = modest_recpt_editor_get_buffer (recpt_editor);
 483         mark = gtk_text_buffer_get_insert (buffer);
 484         gtk_text_buffer_get_iter_at_mark (buffer, &location, mark);
 485
 486         gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
 487
 488         tag = iter_has_recipient (&start);
 489         if (tag != NULL)
 490                 if (!gtk_text_iter_begins_tag (&start, tag)) {
 491                         gtk_text_iter_backward_to_tag_toggle (&start, tag);
 492                         selection_changed = TRUE;
 493                 }
 494
 495         tag = iter_has_recipient (&end);
 496         if (tag != NULL)
 497                 if (!gtk_text_iter_ends_tag (&end, tag)) {
 498                         gtk_text_iter_forward_to_tag_toggle (&end, tag);
 499                         selection_changed = TRUE;
 500                 }
 501
 502         if (selection_changed) {
 503                 gtk_text_buffer_select_range (buffer, &start, &end);
 504         } else {
 505                 GTK_TEXT_VIEW (priv->text_view)->pending_place_cursor_button = 0;
 506         }
 507
 508         return FALSE;
 509 }
 510
 511 static gboolean
 512 modest_recpt_editor_on_focus_in (GtkTextView *text_view,
 513                                  GdkEventFocus *event,
 514                                  ModestRecptEditor *editor)
 515 {
 516         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 517         gtk_text_view_place_cursor_onscreen (GTK_TEXT_VIEW (priv->text_view));
 518
 519         return FALSE;
 520 }
 521
 522 static gboolean
 523 is_valid_insert (const gchar *text, gint len)
 524 {
 525         gunichar c;
 526         gunichar next_c;
 527         gint i= 0;
 528         gboolean quoted = FALSE;
 529         const gchar *current, *next_current;
 530         if (text == NULL)
 531                 return TRUE;
 532         current = text;
 533
 534         while (((len == -1)||(i < len)) && (*current != '\0')) {
 535                 c = g_utf8_get_char (current);
 536                 next_current = g_utf8_next_char (current);
 537                 if (next_current && *next_current != '\0')
 538                         next_c = g_utf8_get_char (g_utf8_next_char (current));
 539                 else
 540                         next_c = 0;
 541                 if (!quoted && ((c == g_utf8_get_char(",") || c == g_utf8_get_char (";")))) {
 542                         if ((next_c != 0) && (next_c != g_utf8_get_char ("\n")))
 543                                 return FALSE;
 544                         else {
 545                           current = g_utf8_next_char (next_current);
 546                           continue;
 547                         }
 548                 }
 549                 if (c == 0x2022 || c == 0xfffc ||
 550                     c == g_utf8_get_char ("\n") ||
 551                     c == g_utf8_get_char ("\t"))
 552                         return FALSE;
 553                 if (c == g_utf8_get_char ("\""))
 554                         quoted = !quoted;
 555                 current = g_utf8_next_char (current);
 556                 i = current - text;
 557         }
 558         return TRUE;
 559 }
 560
 561 static gchar *
 562 create_valid_text (const gchar *text, gint len)
 563 {
 564         gunichar c;
 565         gunichar next_c;
 566         gint i= 0;
 567         GString *str;
 568         gboolean quoted = FALSE;
 569         const gchar *current, *next_current;
 570
 571         if (text == NULL)
 572                 return NULL;
 573
 574         str = g_string_new ("");
 575         current = text;
 576
 577         while (((len == -1)||(i < len)) && (*current != '\0')) {
 578                 c = g_utf8_get_char (current);
 579                 next_current = g_utf8_next_char (current);
 580                 if (next_current && *next_current != '\0')
 581                         next_c = g_utf8_get_char (g_utf8_next_char (current));
 582                 else
 583                         next_c = 0;
 584                 if (c != 0x2022 && c != 0xfffc &&
 585                     c != g_utf8_get_char ("\n") &&
 586                     c != g_utf8_get_char ("\t"))
 587                         str = g_string_append_unichar (str, c);
 588                 if (!quoted && ((c == g_utf8_get_char(",") || c == g_utf8_get_char (";")))) {
 589                         if ((next_c != 0) && (next_c != g_utf8_get_char ("\n")))
 590                                 str = g_string_append_c (str, '\n');
 591                 }
 592                 if (c == g_utf8_get_char ("\""))
 593                         quoted = !quoted;
 594                 current = g_utf8_next_char (current);
 595                 i = current - text;
 596         }
 597         return g_string_free (str, FALSE);
 598 }
 599
 600 static void
 601 modest_recpt_editor_on_insert_text (GtkTextBuffer *buffer,
 602                                     GtkTextIter *location,
 603                                     gchar *text,
 604                                     gint len,
 605                                     ModestRecptEditor *editor)
 606 {
 607         GtkTextIter prev;
 608         gunichar prev_char;
 609         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 610
 611         if (len > 1024)
 612                 len = 1024;
 613
 614         if (!is_valid_insert (text, len)) {
 615                 gchar *new_text = create_valid_text (text, len);
 616                 g_signal_stop_emission_by_name (G_OBJECT (buffer), "insert-text");
 617                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text,
 618                                                  editor);
 619                 gtk_text_buffer_insert (buffer, location, new_text, -1);
 620                 g_signal_handlers_unblock_by_func (buffer,
 621                                                    modest_recpt_editor_on_insert_text,
 622                                                    editor);
 623                 g_free (new_text);
 624                 return;
 625         }
 626
 627         if (iter_has_recipient (location)) {
 628                 gtk_text_buffer_get_end_iter (buffer, location);
 629                 gtk_text_buffer_place_cursor (buffer, location);
 630         }
 631
 632         if (gtk_text_iter_is_start (location))
 633                 return;
 634
 635         if (gtk_text_iter_is_end (location)) {
 636                 prev = *location;
 637                 if (!gtk_text_iter_backward_char (&prev))
 638                         return;
 639                 prev_char = gtk_text_iter_get_char (&prev);
 640                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 641                 if ((prev_char == ';'||prev_char == ',')&&(!quote_opened(location))) {
 642                         GtkTextMark *insert;
 643                         gtk_text_buffer_insert (buffer, location, "\n",-1);
 644                         insert = gtk_text_buffer_get_insert (buffer);
 645                         gtk_text_view_scroll_to_iter (GTK_TEXT_VIEW (priv->text_view), location, 0.0,TRUE, 0.0, 1.0);
 646                 }
 647                 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 648
 649         }
 650
 651 }
 652
 653 static GtkTextTag *
 654 iter_has_recipient (GtkTextIter *iter)
 655 {
 656         GSList *tags, *node;
 657         GtkTextTag *result = NULL;
 658
 659         tags = gtk_text_iter_get_tags (iter);
 660
 661         for (node = tags; node != NULL; node = g_slist_next (node)) {
 662                 GtkTextTag *tag = GTK_TEXT_TAG (node->data);
 663
 664                 if (g_object_get_data (G_OBJECT (tag), "recipient-tag-id")) {
 665                         result = tag;
 666                         break;
 667                 }
 668         }
 669         g_slist_free (tags);
 670         return result;
 671 }
 672
 673 static GtkTextTag *
 674 prev_iter_has_recipient (GtkTextIter *iter)
 675 {
 676         GtkTextIter prev;
 677
 678         prev = *iter;
 679         gtk_text_iter_backward_char (&prev);
 680         return iter_has_recipient (&prev);
 681 }
 682
 683 /* static GtkTextTag * */
 684 /* next_iter_has_recipient (GtkTextIter *iter) */
 685 /* { */
 686 /*      GtkTextIter next; */
 687
 688 /*      next = *iter; */
 689 /*      return iter_has_recipient (&next); */
 690 /* } */
 691
 692 static gunichar
 693 iter_previous_char (GtkTextIter *iter)
 694 {
 695         GtkTextIter prev;
 696
 697         prev = *iter;
 698         gtk_text_iter_backward_char (&prev);
 699         return gtk_text_iter_get_char (&prev);
 700 }
 701
 702 /* static gunichar  */
 703 /* iter_next_char (GtkTextIter *iter) */
 704 /* { */
 705 /*      GtkTextIter next; */
 706
 707 /*      next = *iter; */
 708 /*      gtk_text_iter_forward_char (&next); */
 709 /*      return gtk_text_iter_get_char (&next); */
 710 /* } */
 711
 712 static void
 713 select_tag_of_iter (GtkTextIter *iter, GtkTextTag *tag)
 714 {
 715         GtkTextIter start, end;
 716
 717         start = *iter;
 718         if (!gtk_text_iter_begins_tag (&start, tag))
 719                 gtk_text_iter_backward_to_tag_toggle (&start, tag);
 720         end = *iter;
 721         if (!gtk_text_iter_ends_tag (&end, tag))
 722                 gtk_text_iter_forward_to_tag_toggle (&end, tag);
 723         gtk_text_buffer_select_range (gtk_text_iter_get_buffer (iter), &start, &end);
 724 }
 725
 726 static gboolean
 727 quote_opened (GtkTextIter *iter)
 728 {
 729         GtkTextIter start;
 730         GtkTextBuffer *buffer;
 731         gboolean opened = FALSE;
 732
 733         buffer = gtk_text_iter_get_buffer (iter);
 734         gtk_text_buffer_get_start_iter (buffer, &start);
 735
 736         while (!gtk_text_iter_equal (&start, iter)) {
 737                 gunichar current_char = gtk_text_iter_get_char (&start);
 738                 if (current_char == '"')
 739                         opened = !opened;
 740                 else if (current_char == '\\')
 741                         gtk_text_iter_forward_char (&start);
 742                 if (!gtk_text_iter_equal (&start, iter))
 743                         gtk_text_iter_forward_char (&start);
 744
 745         }
 746         return opened;
 747
 748 }
 749
 750
 751 static gboolean
 752 modest_recpt_editor_on_key_press_event (GtkTextView *text_view,
 753                                           GdkEventKey *key,
 754                                           ModestRecptEditor *editor)
 755 {
 756         GtkTextMark *insert;
 757         GtkTextMark *selection;
 758         GtkTextBuffer * buffer;
 759         GtkTextIter location, selection_loc;
 760         GtkTextTag *tag;
 761
 762 #ifdef MODEST_TOOLKIT_HILDON2
 763         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (text_view));
 764 #else
 765         buffer = gtk_text_view_get_buffer (text_view);
 766 #endif
 767         insert = gtk_text_buffer_get_insert (buffer);
 768         selection = gtk_text_buffer_get_selection_bound (buffer);
 769
 770         /* cases to cover:
 771          *    * cursor is on resolved recipient:
 772          *        - right should go to first character after the recipient (usually ; or ,)
 773          *        - left should fo to the first character before the recipient
 774          *        - return should run check names on the recipient.
 775          *    * cursor is just after a recipient:
 776          *        - right should go to the next character. If it's a recipient, should select
 777          *          it
 778          *        - left should go to the previous character. If it's a recipient, should go
 779          *          to the first character of the recipient, and select it.
 780          *    * cursor is on arbitrary text:
 781          *        - return should add a ; and go to the next line
 782          *        - left or right standard ones.
 783          *    * cursor is after a \n:
 784          *        - left should go to the character before the \n (as if \n was not a character)
 785          *    * cursor is before a \n:
 786          *        - right should go to the character after the \n
 787          */
 788
 789         gtk_text_buffer_get_iter_at_mark (buffer, &location, insert);
 790         gtk_text_buffer_get_iter_at_mark (buffer, &selection_loc, selection);
 791
 792         switch (key->keyval) {
 793         case GDK_Left:
 794         case GDK_KP_Left:
 795         {
 796                 gboolean cursor_ready = FALSE;
 797                 while (!cursor_ready) {
 798                         if (iter_previous_char (&location) == '\n') {
 799                                 gtk_text_iter_backward_char (&location);
 800                         } else {
 801                                 cursor_ready = TRUE;
 802                         }
 803                 }
 804                 tag = iter_has_recipient (&location);
 805                 if ((tag != NULL)&& (gtk_text_iter_is_start (&location) || !(gtk_text_iter_begins_tag (&location, tag)))) {
 806                         select_tag_of_iter (&location, tag);
 807                         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 808                         return TRUE;
 809                 }
 810                 gtk_text_iter_backward_char (&location);
 811                 tag = iter_has_recipient (&location);
 812                 if (tag != NULL)
 813                         select_tag_of_iter (&location, tag);
 814                 else {
 815                         gtk_text_buffer_place_cursor (buffer, &location);
 816                 }
 817                 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 818
 819                 return TRUE;
 820         }
 821         break;
 822         case GDK_Right:
 823         case GDK_KP_Right:
 824         {
 825                 gboolean cursor_moved = FALSE;
 826
 827                 tag = iter_has_recipient (&location);
 828                 if ((tag != NULL)&&(!gtk_text_iter_ends_tag (&location, tag))) {
 829                         gtk_text_iter_forward_to_tag_toggle (&location, tag);
 830                         while (gtk_text_iter_get_char (&location) == '\n')
 831                                 gtk_text_iter_forward_char (&location);
 832                         gtk_text_buffer_place_cursor (buffer, &location);
 833                         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 834                         return TRUE;
 835                 }
 836
 837                 while (gtk_text_iter_get_char (&location) == '\n') {
 838                         gtk_text_iter_forward_char (&location);
 839                         cursor_moved = TRUE;
 840                 }
 841                 if (!cursor_moved)
 842                         gtk_text_iter_forward_char (&location);
 843                 while (gtk_text_iter_get_char (&location) == '\n') {
 844                         gtk_text_iter_forward_char (&location);
 845                         cursor_moved = TRUE;
 846                 }
 847
 848                 tag = iter_has_recipient (&location);
 849                 if (tag != NULL)
 850                         select_tag_of_iter (&location, tag);
 851                 else
 852                         gtk_text_buffer_place_cursor (buffer, &location);
 853                 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 854                 return TRUE;
 855         }
 856         break;
 857         case GDK_Return:
 858         case GDK_KP_Enter:
 859         {
 860                 gint insert_offset, selection_offset;
 861                 insert_offset = gtk_text_iter_get_offset (&location);
 862                 selection_offset = gtk_text_iter_get_offset (&selection_loc);
 863                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 864                 if (selection_offset > insert_offset)
 865                         location = selection_loc;
 866                 tag = iter_has_recipient (&location);
 867                 if (tag != NULL) {
 868                         gtk_text_buffer_get_end_iter (buffer, &location);
 869                         gtk_text_buffer_place_cursor (buffer, &location);
 870                         if ((iter_previous_char (&location) != ';')&&(iter_previous_char (&location) != ','))
 871                                 gtk_text_buffer_insert_at_cursor (buffer, ";", -1);
 872                         gtk_text_buffer_insert_at_cursor (buffer, "\n", -1);
 873                 } else {
 874                         gunichar prev_char = iter_previous_char (&location);
 875                         if ((gtk_text_iter_is_start (&location))||(prev_char == '\n')
 876                             ||(prev_char == ';')||(prev_char == ','))
 877                                 g_signal_emit_by_name (G_OBJECT (editor), "open-addressbook");
 878                         else {
 879                                 if ((prev_char != ';') && (prev_char != ','))
 880                                         gtk_text_buffer_insert_at_cursor (buffer, ";", -1);
 881                                 gtk_text_buffer_insert_at_cursor (buffer, "\n", -1);
 882                         }
 883                 }
 884                 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 885                 return TRUE;
 886         }
 887         break;
 888         case GDK_BackSpace:
 889         {
 890                 #if GTK_CHECK_VERSION(2, 10, 0) /* gtk_text_buffer_get_has_selection is only available in GTK+ 2.10 */
 891                 if (gtk_text_buffer_get_has_selection (buffer)) {
 892                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 893                         return TRUE;
 894                 }
 895                 #else
 896                 if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
 897                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 898                         return TRUE;
 899                 }
 900                 #endif
 901
 902                 tag = prev_iter_has_recipient (&location);
 903                 if (tag != NULL) {
 904                         GtkTextIter iter_in_tag;
 905                         iter_in_tag = location;
 906                         gtk_text_iter_backward_char (&iter_in_tag);
 907                         select_tag_of_iter (&iter_in_tag, tag);
 908                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 909                         return TRUE;
 910                 }
 911                 return FALSE;
 912         }
 913         break;
 914         default:
 915                 return FALSE;
 916         }
 917 }
 918
 919 static void
 920 modest_recpt_editor_move_cursor_to_end (ModestRecptEditor *editor)
 921 {
 922         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 923 #ifdef MODEST_TOOLKIT_HILDON2
 924         GtkTextBuffer *buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 925 #else
 926         GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 927 #endif
 928         GtkTextIter start, end;
 929
 930         gtk_text_buffer_get_end_iter (buffer, &start);
 931         end = start;
 932         gtk_text_buffer_select_range (buffer, &start, &end);
 933
 934
 935 }
 936
 937 void
 938 modest_recpt_editor_grab_focus (ModestRecptEditor *recpt_editor)
 939 {
 940         ModestRecptEditorPrivate *priv;
 941
 942         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 943         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 944
 945         if (GTK_WIDGET_VISIBLE (recpt_editor)) {
 946                 gtk_widget_grab_focus (priv->text_view);
 947         }
 948 }
 949
 950 gboolean
 951 modest_recpt_editor_has_focus (ModestRecptEditor *recpt_editor)
 952 {
 953         ModestRecptEditorPrivate *priv;
 954
 955         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), FALSE);
 956         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 957
 958         return GTK_WIDGET_VISIBLE (priv->text_view) &&
 959                 gtk_widget_is_focus (priv->text_view);
 960 }
 961
 962 static void
 963 modest_recpt_editor_finalize (GObject *object)
 964 {
 965         ModestRecptEditorPrivate *priv;
 966         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (object);
 967
 968         if (priv->recipients) {
 969                 g_free (priv->recipients);
 970                 priv->recipients = NULL;
 971         }
 972
 973         (*parent_class->finalize) (object);
 974
 975         return;
 976 }
 977
 978 static void
 979 modest_recpt_editor_class_init (ModestRecptEditorClass *klass)
 980 {
 981         GObjectClass *object_class;
 982         GtkWidgetClass *widget_class;
 983
 984         parent_class = g_type_class_peek_parent (klass);
 985         object_class = (GObjectClass*) klass;
 986         widget_class = GTK_WIDGET_CLASS (klass);
 987
 988         object_class->finalize = modest_recpt_editor_finalize;
 989
 990         g_type_class_add_private (object_class, sizeof (ModestRecptEditorPrivate));
 991
 992         signals[OPEN_ADDRESSBOOK_SIGNAL] =
 993                 g_signal_new ("open-addressbook",
 994                               G_TYPE_FROM_CLASS (object_class),
 995                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 996                               G_STRUCT_OFFSET (ModestRecptEditorClass, open_addressbook),
 997                               NULL, NULL,
 998                               g_cclosure_marshal_VOID__VOID,
 999                               G_TYPE_NONE, 0);
1000
1001         return;
1002 }
1003
1004 GType
1005 modest_recpt_editor_get_type (void)
1006 {
1007         static GType type = 0;
1008
1009         if (G_UNLIKELY(type == 0))
1010         {
1011                 static const GTypeInfo info =
1012                 {
1013                   sizeof (ModestRecptEditorClass),
1014                   NULL,   /* base_init */
1015                   NULL,   /* base_finalize */
1016                   (GClassInitFunc) modest_recpt_editor_class_init,   /* class_init */
1017                   NULL,   /* class_finalize */
1018                   NULL,   /* class_data */
1019                   sizeof (ModestRecptEditor),
1020                   0,      /* n_preallocs */
1021                   modest_recpt_editor_instance_init    /* instance_init */
1022                 };
1023
1024                 type = g_type_register_static (GTK_TYPE_HBOX,
1025                         "ModestRecptEditor",
1026                         &info, 0);
1027
1028         }
1029
1030         return type;
1031 }