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 void modest_recpt_editor_move_cursor_to_end (ModestRecptEditor *editor);
  91 static gboolean modest_recpt_editor_on_focus_in (GtkTextView *text_view,
  92                                              GdkEventFocus *event,
  93                                              ModestRecptEditor *editor);
  94 static void modest_recpt_editor_on_mark_set (GtkTextBuffer *buffer,
  95                                              GtkTextIter *iter,
  96                                              GtkTextMark *mark,
  97                                              ModestRecptEditor *editor);
  98 static void modest_recpt_editor_on_insert_text (GtkTextBuffer *buffer,
  99                                                 GtkTextIter *location,
 100                                                 gchar *text,
 101                                                 gint len,
 102                                                 ModestRecptEditor *editor);
 103 static gboolean modest_recpt_editor_on_key_press_event (GtkTextView *text_view,
 104                                                           GdkEventKey *key,
 105                                                           ModestRecptEditor *editor);
 106 static GtkTextTag *iter_has_recipient (GtkTextIter *iter);
 107 static gunichar iter_previous_char (GtkTextIter *iter);
 108 /* static gunichar iter_next_char (GtkTextIter *iter); */
 109 static GtkTextTag *prev_iter_has_recipient (GtkTextIter *iter);
 110 /* static GtkTextTag *next_iter_has_recipient (GtkTextIter *iter); */
 111 static void select_tag_of_iter (GtkTextIter *iter, GtkTextTag *tag);
 112 static gboolean quote_opened (GtkTextIter *iter);
 113 static gboolean is_valid_insert (const gchar *text, gint len);
 114 static gchar *create_valid_text (const gchar *text, gint len);
 115
 116 /**
 117  * modest_recpt_editor_new:
 118  *
 119  * Return value: a new #ModestRecptEditor instance implemented for Gtk+
 120  **/
 121 GtkWidget*
 122 modest_recpt_editor_new (void)
 123 {
 124         ModestRecptEditor *self = g_object_new (MODEST_TYPE_RECPT_EDITOR,
 125                                                 "homogeneous", FALSE,
 126                                                 "spacing", MODEST_MARGIN_NONE,
 127                                                 NULL);
 128
 129         return GTK_WIDGET (self);
 130 }
 131
 132 void
 133 modest_recpt_editor_set_recipients (ModestRecptEditor *recpt_editor, const gchar *recipients)
 134 {
 135         ModestRecptEditorPrivate *priv;
 136         GtkTextBuffer *buffer = NULL;
 137         gchar *valid_recipients = NULL;
 138
 139         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 140         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 141
 142 #ifdef MODEST_TOOLKIT_HILDON2
 143         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 144 #else
 145         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 146 #endif
 147
 148         valid_recipients = create_valid_text (recipients, -1);
 149         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 150         gtk_text_buffer_set_text (buffer, valid_recipients, -1);
 151         g_free (valid_recipients);
 152         if (GTK_WIDGET_REALIZED (recpt_editor))
 153                 gtk_widget_queue_resize (GTK_WIDGET (recpt_editor));
 154         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 155
 156 }
 157
 158 void
 159 modest_recpt_editor_add_recipients (ModestRecptEditor *recpt_editor, const gchar *recipients)
 160 {
 161         ModestRecptEditorPrivate *priv;
 162         GtkTextBuffer *buffer = NULL;
 163         GtkTextIter iter;
 164         gchar *string_to_add;
 165
 166         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 167         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 168
 169         if (recipients == NULL)
 170                 return;
 171
 172 #ifdef MODEST_TOOLKIT_HILDON2
 173         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 174 #else
 175         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 176 #endif
 177
 178         if (gtk_text_buffer_get_char_count (buffer) > 0) {
 179                 string_to_add = g_strconcat (";\n", recipients, NULL);
 180         } else {
 181                 string_to_add = g_strdup (recipients);
 182         }
 183
 184         gtk_text_buffer_get_end_iter (buffer, &iter);
 185
 186         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 187
 188         gtk_text_buffer_insert (buffer, &iter, string_to_add, -1);
 189
 190         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 191
 192         if (GTK_WIDGET_REALIZED (recpt_editor))
 193                 gtk_widget_queue_resize (GTK_WIDGET (recpt_editor));
 194
 195         g_free (string_to_add);
 196 }
 197
 198 void
 199 modest_recpt_editor_add_resolved_recipient (ModestRecptEditor *recpt_editor, GSList *email_list, const gchar * recipient_id)
 200 {
 201         ModestRecptEditorPrivate *priv;
 202         GtkTextBuffer *buffer = NULL;
 203         GtkTextIter start, end, iter;
 204         GtkTextTag *tag = NULL;
 205         GSList *node;
 206         gboolean is_first_recipient = TRUE;
 207
 208         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 209         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 210
 211 #ifdef MODEST_TOOLKIT_HILDON2
 212         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 213 #else
 214         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 215 #endif
 216
 217         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 218         gtk_text_buffer_get_bounds (buffer, &start, &end);
 219         if (gtk_text_buffer_get_char_count (buffer) > 0) {
 220                 gchar * buffer_contents;
 221
 222                 gtk_text_buffer_get_bounds (buffer, &start, &end);
 223                 buffer_contents = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 224                 if (!g_str_has_suffix (buffer_contents, "\n")) {
 225                         if (g_str_has_suffix (buffer_contents, ";")||(g_str_has_suffix (buffer_contents, ",")))
 226                                 gtk_text_buffer_insert (buffer, &end, "\n", -1);
 227                         else
 228                                 gtk_text_buffer_insert (buffer, &end, ";\n", -1);
 229                 }
 230                 g_free (buffer_contents);
 231         }
 232
 233         gtk_text_buffer_get_end_iter (buffer, &iter);
 234
 235         tag = gtk_text_buffer_create_tag (buffer, NULL,
 236                                           "underline", PANGO_UNDERLINE_SINGLE,
 237                                           "wrap-mode", GTK_WRAP_NONE,
 238                                           "editable", TRUE, NULL);
 239
 240         g_object_set_data (G_OBJECT (tag), "recipient-tag-id", GINT_TO_POINTER (RECIPIENT_TAG_ID));
 241         g_object_set_data_full (G_OBJECT (tag), "recipient-id", g_strdup (recipient_id), (GDestroyNotify) g_free);
 242
 243         for (node = email_list; node != NULL; node = g_slist_next (node)) {
 244                 gchar *recipient = (gchar *) node->data;
 245
 246                 if ((recipient) && (strlen (recipient) != 0)) {
 247
 248                         if (!is_first_recipient)
 249                         gtk_text_buffer_insert (buffer, &iter, "\n", -1);
 250
 251                         gtk_text_buffer_insert_with_tags (buffer, &iter, recipient, -1, tag, NULL);
 252                         gtk_text_buffer_insert (buffer, &iter, ";", -1);
 253                         is_first_recipient = FALSE;
 254                 }
 255         }
 256         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 257
 258         modest_recpt_editor_move_cursor_to_end (recpt_editor);
 259
 260 }
 261
 262 void
 263 modest_recpt_editor_replace_with_resolved_recipient (ModestRecptEditor *recpt_editor,
 264                                                      GtkTextIter *start, GtkTextIter *end,
 265                                                      GSList *email_list, const gchar * recipient_id)
 266 {
 267         GSList *email_lists_list;
 268         GSList *recipient_ids_list;
 269
 270         email_lists_list = g_slist_append (NULL, email_list);
 271         recipient_ids_list = g_slist_append (NULL, (gpointer) recipient_id);
 272
 273         modest_recpt_editor_replace_with_resolved_recipients (recpt_editor, start, end,
 274                                                               email_lists_list, recipient_ids_list);
 275
 276         g_slist_free (email_lists_list);
 277         g_slist_free (recipient_ids_list);
 278
 279 }
 280
 281 void
 282 modest_recpt_editor_replace_with_resolved_recipients (ModestRecptEditor *recpt_editor,
 283                                                      GtkTextIter *start, GtkTextIter *end,
 284                                                      GSList *email_lists_list, GSList * recipient_ids_list)
 285 {
 286         ModestRecptEditorPrivate *priv;
 287         GtkTextBuffer *buffer;
 288         GtkTextTag *tag;
 289         GSList *node;
 290         gboolean is_first_recipient = TRUE;
 291
 292         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 293         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 294
 295 #ifdef MODEST_TOOLKIT_HILDON2
 296         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 297 #else
 298         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 299 #endif
 300         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 301
 302         gtk_text_buffer_delete (buffer, start, end);
 303
 304         while (email_lists_list) {
 305                 gchar *recipient_id = (gchar *) recipient_ids_list->data;
 306                 GSList *email_list = (GSList *) email_lists_list->data;
 307
 308
 309                 tag = gtk_text_buffer_create_tag (buffer, NULL,
 310                                                   "underline", PANGO_UNDERLINE_SINGLE,
 311                                                   "wrap-mode", GTK_WRAP_NONE,
 312                                                   "editable", TRUE, NULL);
 313
 314                 g_object_set_data (G_OBJECT (tag), "recipient-tag-id", GINT_TO_POINTER (RECIPIENT_TAG_ID));
 315                 g_object_set_data_full (G_OBJECT (tag), "recipient-id", g_strdup (recipient_id), (GDestroyNotify) g_free);
 316
 317                 for (node = email_list; node != NULL; node = g_slist_next (node)) {
 318                         gchar *recipient = (gchar *) node->data;
 319
 320                         if ((recipient) && (strlen (recipient) != 0)) {
 321
 322                                 if (!is_first_recipient)
 323                                         gtk_text_buffer_insert (buffer, start, "\n", -1);
 324
 325                                 gtk_text_buffer_insert_with_tags (buffer, start, recipient, -1, tag, NULL);
 326
 327                                 if (node->next != NULL)
 328                                         gtk_text_buffer_insert (buffer, start, ";", -1);
 329                                 is_first_recipient = FALSE;
 330                         }
 331                 }
 332
 333                 email_lists_list = g_slist_next (email_lists_list);
 334                 recipient_ids_list = g_slist_next (recipient_ids_list);
 335         }
 336         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 337
 338 }
 339
 340
 341 const gchar *
 342 modest_recpt_editor_get_recipients (ModestRecptEditor *recpt_editor)
 343 {
 344         ModestRecptEditorPrivate *priv;
 345         GtkTextBuffer *buffer = NULL;
 346         GtkTextIter start, end;
 347         gchar *c;
 348
 349         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), NULL);
 350         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 351
 352         if (priv->recipients != NULL) {
 353                 g_free (priv->recipients);
 354                 priv->recipients = NULL;
 355         }
 356
 357 #ifdef MODEST_TOOKIT_HILDON2
 358         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 359 #else
 360         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 361 #endif
 362
 363         gtk_text_buffer_get_start_iter (buffer, &start);
 364         gtk_text_buffer_get_end_iter (buffer, &end);
 365
 366         priv->recipients = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 367         for (c = priv->recipients; *c != '\0'; c = g_utf8_next_char (c)) {
 368                 if (*c == '\n') {
 369                         *c = ' ';
 370                 }
 371         }
 372
 373         return priv->recipients;
 374
 375 }
 376
 377 static void
 378 modest_recpt_editor_instance_init (GTypeInstance *instance, gpointer g_class)
 379 {
 380         ModestRecptEditorPrivate *priv;
 381         GtkWidget *abook_icon;
 382         GtkWidget *abook_align;
 383         GtkTextBuffer *buffer;
 384
 385         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (instance);
 386
 387         priv->abook_button = gtk_button_new ();
 388 #ifdef MODEST_TOOLKIT_HILDON2
 389         gtk_widget_set_size_request (priv->abook_button, RECPT_BUTTON_WIDTH_HILDON2, -1);
 390 #else
 391         gtk_button_set_relief (GTK_BUTTON (priv->abook_button), GTK_RELIEF_NONE);
 392 #endif
 393         gtk_button_set_focus_on_click (GTK_BUTTON (priv->abook_button), FALSE);
 394         GTK_WIDGET_UNSET_FLAGS (priv->abook_button, GTK_CAN_FOCUS);
 395         gtk_button_set_alignment (GTK_BUTTON (priv->abook_button), 0.5, 0.5);
 396 #ifdef MODEST_TOOLKIT_HILDON2
 397         abook_icon = gtk_image_new_from_icon_name ("general_contacts", HILDON_ICON_SIZE_FINGER);
 398 #else
 399         abook_icon = gtk_image_new_from_icon_name ("qgn_list_addressbook", GTK_ICON_SIZE_BUTTON);
 400 #endif
 401         gtk_container_add (GTK_CONTAINER (priv->abook_button), abook_icon);
 402
 403 #ifdef MODEST_TOOLKIT_HILDON2
 404         priv->text_view = hildon_text_view_new ();
 405 #else
 406         priv->text_view = gtk_text_view_new ();
 407 #endif
 408         /* Auto-capitalization is the default, so let's turn it off: */
 409 #ifdef MAEMO_CHANGES
 410         hildon_gtk_text_view_set_input_mode (GTK_TEXT_VIEW (priv->text_view),
 411                 HILDON_GTK_INPUT_MODE_FULL);
 412 #endif
 413
 414         priv->recipients = NULL;
 415
 416 #ifdef MODEST_TOOLKIT_HILDON2
 417         priv->scrolled_window = NULL;
 418         gtk_box_pack_start (GTK_BOX (instance), priv->text_view, TRUE, TRUE, 0);
 419 #else
 420         priv->scrolled_window = modest_scroll_text_new (GTK_TEXT_VIEW (priv->text_view), 1024);
 421         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window), GTK_POLICY_NEVER,
 422                                         GTK_POLICY_AUTOMATIC);
 423         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->scrolled_window), GTK_SHADOW_IN);
 424 /*      gtk_container_add (GTK_CONTAINER (priv->scrolled_window), priv->text_view); */
 425
 426         gtk_box_pack_start (GTK_BOX (instance), priv->scrolled_window, TRUE, TRUE, 0);
 427 /*      gtk_box_pack_start (GTK_BOX (instance), priv->text_view, TRUE, TRUE, 0); */
 428 #endif
 429         abook_align = gtk_alignment_new (0.0, 0.0, 1.0, 1.0);
 430         gtk_alignment_set_padding (GTK_ALIGNMENT (abook_align), 0, 0, MODEST_MARGIN_DEFAULT, 0);
 431         gtk_container_add (GTK_CONTAINER (abook_align), priv->abook_button);
 432         gtk_box_pack_end (GTK_BOX (instance), abook_align, FALSE, FALSE, 0);
 433
 434         gtk_text_view_set_accepts_tab (GTK_TEXT_VIEW (priv->text_view), FALSE);
 435         gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (priv->text_view), TRUE);
 436         gtk_text_view_set_editable (GTK_TEXT_VIEW (priv->text_view), TRUE);
 437
 438         gtk_text_view_set_justification (GTK_TEXT_VIEW (priv->text_view), GTK_JUSTIFY_LEFT);
 439         gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (priv->text_view), GTK_WRAP_CHAR);
 440
 441         gtk_widget_set_size_request (priv->text_view, 75, -1);
 442
 443 #ifdef MODEST_TOOLKIT_HILDON2
 444         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 445 #else
 446         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 447 #endif
 448         g_signal_connect (G_OBJECT (priv->abook_button), "clicked", G_CALLBACK (modest_recpt_editor_on_abook_clicked), instance);
 449         g_signal_connect (G_OBJECT (priv->text_view), "key-press-event", G_CALLBACK (modest_recpt_editor_on_key_press_event), instance);
 450         g_signal_connect (G_OBJECT (priv->text_view), "focus-in-event", G_CALLBACK (modest_recpt_editor_on_focus_in), instance);
 451         g_signal_connect (G_OBJECT (buffer), "insert-text", G_CALLBACK (modest_recpt_editor_on_insert_text), instance);
 452         g_signal_connect (G_OBJECT (buffer), "mark-set", G_CALLBACK (modest_recpt_editor_on_mark_set), instance);
 453
 454 /*      gtk_container_set_focus_child (GTK_CONTAINER (instance), priv->text_view); */
 455
 456         return;
 457 }
 458
 459 void
 460 modest_recpt_editor_set_field_size_group (ModestRecptEditor *recpt_editor, GtkSizeGroup *size_group)
 461 {
 462         ModestRecptEditorPrivate *priv;
 463
 464         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 465         g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
 466         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 467
 468 #ifdef MODEST_TOOLKIT_HILDON2
 469         gtk_size_group_add_widget (size_group, priv->text_view);
 470 #else
 471         gtk_size_group_add_widget (size_group, priv->scrolled_window);
 472 #endif
 473 }
 474
 475 GtkTextBuffer *
 476 modest_recpt_editor_get_buffer (ModestRecptEditor *recpt_editor)
 477 {
 478         ModestRecptEditorPrivate *priv;
 479
 480         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), NULL);
 481         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 482
 483 #ifdef MODEST_TOOLKIT_HILDON2
 484         return hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 485 #else
 486         return gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 487 #endif
 488 }
 489
 490 static void
 491 modest_recpt_editor_on_abook_clicked (GtkButton *button, ModestRecptEditor *editor)
 492 {
 493         g_return_if_fail (MODEST_IS_RECPT_EDITOR (editor));
 494
 495         g_signal_emit_by_name (G_OBJECT (editor), "open-addressbook");
 496 }
 497
 498 static void
 499 modest_recpt_editor_on_mark_set (GtkTextBuffer *buffer,
 500                                  GtkTextIter *iter,
 501                                  GtkTextMark *mark,
 502                                  ModestRecptEditor *recpt_editor)
 503 {
 504         ModestRecptEditorPrivate *priv;
 505         GtkTextIter start, end;
 506         GtkTextMark *selection_bound;
 507         GtkTextTag *tag;
 508         gboolean selection_changed = FALSE;
 509
 510         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 511
 512         buffer = modest_recpt_editor_get_buffer (recpt_editor);
 513         selection_bound = gtk_text_buffer_get_selection_bound (buffer);
 514
 515         if (mark != selection_bound)
 516                 return;
 517
 518         gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
 519
 520         tag = iter_has_recipient (&start);
 521         if (tag != NULL)
 522                 if (!gtk_text_iter_begins_tag (&start, tag)) {
 523                         gtk_text_iter_backward_to_tag_toggle (&start, tag);
 524                         selection_changed = TRUE;
 525                 }
 526
 527         tag = iter_has_recipient (&end);
 528         if (tag != NULL)
 529                 if (!gtk_text_iter_ends_tag (&end, tag)) {
 530                         gtk_text_iter_forward_to_tag_toggle (&end, tag);
 531                         selection_changed = TRUE;
 532                 }
 533
 534         if (selection_changed) {
 535                 gtk_text_buffer_select_range (buffer, &start, &end);
 536         }
 537 }
 538
 539 static gboolean
 540 modest_recpt_editor_on_focus_in (GtkTextView *text_view,
 541                                  GdkEventFocus *event,
 542                                  ModestRecptEditor *editor)
 543 {
 544         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 545         gtk_text_view_place_cursor_onscreen (GTK_TEXT_VIEW (priv->text_view));
 546
 547         return FALSE;
 548 }
 549
 550 static gboolean
 551 is_valid_insert (const gchar *text, gint len)
 552 {
 553         gunichar c;
 554         gunichar next_c;
 555         gint i= 0;
 556         gboolean quoted = FALSE;
 557         const gchar *current, *next_current;
 558         if (text == NULL)
 559                 return TRUE;
 560         current = text;
 561
 562         while (((len == -1)||(i < len)) && (*current != '\0')) {
 563                 c = g_utf8_get_char (current);
 564                 next_current = g_utf8_next_char (current);
 565                 if (next_current && *next_current != '\0')
 566                         next_c = g_utf8_get_char (g_utf8_next_char (current));
 567                 else
 568                         next_c = 0;
 569                 if (!quoted && ((c == g_utf8_get_char(",") || c == g_utf8_get_char (";")))) {
 570                         if ((next_c != 0) && (next_c != g_utf8_get_char ("\n")))
 571                                 return FALSE;
 572                         else {
 573                           current = g_utf8_next_char (next_current);
 574                           continue;
 575                         }
 576                 }
 577                 if (c == 0x2022 || c == 0xfffc ||
 578                     c == g_utf8_get_char ("\n") ||
 579                     c == g_utf8_get_char ("\t"))
 580                         return FALSE;
 581                 if (c == g_utf8_get_char ("\""))
 582                         quoted = !quoted;
 583                 current = g_utf8_next_char (current);
 584                 i = current - text;
 585         }
 586         return TRUE;
 587 }
 588
 589 static gchar *
 590 create_valid_text (const gchar *text, gint len)
 591 {
 592         gunichar c;
 593         gunichar next_c;
 594         gint i= 0;
 595         GString *str;
 596         gboolean quoted = FALSE;
 597         const gchar *current, *next_current;
 598
 599         if (text == NULL)
 600                 return NULL;
 601
 602         str = g_string_new ("");
 603         current = text;
 604
 605         while (((len == -1)||(i < len)) && (*current != '\0')) {
 606                 c = g_utf8_get_char (current);
 607                 next_current = g_utf8_next_char (current);
 608                 if (next_current && *next_current != '\0')
 609                         next_c = g_utf8_get_char (g_utf8_next_char (current));
 610                 else
 611                         next_c = 0;
 612                 if (c != 0x2022 && c != 0xfffc &&
 613                     c != g_utf8_get_char ("\n") &&
 614                     c != g_utf8_get_char ("\t"))
 615                         str = g_string_append_unichar (str, c);
 616                 if (!quoted && ((c == g_utf8_get_char(",") || c == g_utf8_get_char (";")))) {
 617                         if ((next_c != 0) && (next_c != g_utf8_get_char ("\n")))
 618                                 str = g_string_append_c (str, '\n');
 619                 }
 620                 if (c == g_utf8_get_char ("\""))
 621                         quoted = !quoted;
 622                 current = g_utf8_next_char (current);
 623                 i = current - text;
 624         }
 625         return g_string_free (str, FALSE);
 626 }
 627
 628 static void
 629 modest_recpt_editor_on_insert_text (GtkTextBuffer *buffer,
 630                                     GtkTextIter *location,
 631                                     gchar *text,
 632                                     gint len,
 633                                     ModestRecptEditor *editor)
 634 {
 635         GtkTextIter prev;
 636         gunichar prev_char;
 637         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 638
 639         if (len > 1024)
 640                 len = 1024;
 641
 642         if (!is_valid_insert (text, len)) {
 643                 gchar *new_text = create_valid_text (text, len);
 644                 g_signal_stop_emission_by_name (G_OBJECT (buffer), "insert-text");
 645                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text,
 646                                                  editor);
 647                 gtk_text_buffer_insert (buffer, location, new_text, -1);
 648                 g_signal_handlers_unblock_by_func (buffer,
 649                                                    modest_recpt_editor_on_insert_text,
 650                                                    editor);
 651                 g_free (new_text);
 652                 return;
 653         }
 654
 655         if (iter_has_recipient (location)) {
 656                 gtk_text_buffer_get_end_iter (buffer, location);
 657                 gtk_text_buffer_place_cursor (buffer, location);
 658         }
 659
 660         if (gtk_text_iter_is_start (location))
 661                 return;
 662
 663         if (gtk_text_iter_is_end (location)) {
 664                 prev = *location;
 665                 if (!gtk_text_iter_backward_char (&prev))
 666                         return;
 667                 prev_char = gtk_text_iter_get_char (&prev);
 668                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 669                 if ((prev_char == ';'||prev_char == ',')&&(!quote_opened(location))) {
 670                         GtkTextMark *insert;
 671                         gtk_text_buffer_insert (buffer, location, "\n",-1);
 672                         insert = gtk_text_buffer_get_insert (buffer);
 673                         gtk_text_view_scroll_to_iter (GTK_TEXT_VIEW (priv->text_view), location, 0.0,TRUE, 0.0, 1.0);
 674                 }
 675                 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 676
 677         }
 678
 679 }
 680
 681 static GtkTextTag *
 682 iter_has_recipient (GtkTextIter *iter)
 683 {
 684         GSList *tags, *node;
 685         GtkTextTag *result = NULL;
 686
 687         tags = gtk_text_iter_get_tags (iter);
 688
 689         for (node = tags; node != NULL; node = g_slist_next (node)) {
 690                 GtkTextTag *tag = GTK_TEXT_TAG (node->data);
 691
 692                 if (g_object_get_data (G_OBJECT (tag), "recipient-tag-id")) {
 693                         result = tag;
 694                         break;
 695                 }
 696         }
 697         g_slist_free (tags);
 698         return result;
 699 }
 700
 701 static GtkTextTag *
 702 prev_iter_has_recipient (GtkTextIter *iter)
 703 {
 704         GtkTextIter prev;
 705
 706         prev = *iter;
 707         gtk_text_iter_backward_char (&prev);
 708         return iter_has_recipient (&prev);
 709 }
 710
 711 /* static GtkTextTag * */
 712 /* next_iter_has_recipient (GtkTextIter *iter) */
 713 /* { */
 714 /*      GtkTextIter next; */
 715
 716 /*      next = *iter; */
 717 /*      return iter_has_recipient (&next); */
 718 /* } */
 719
 720 static gunichar
 721 iter_previous_char (GtkTextIter *iter)
 722 {
 723         GtkTextIter prev;
 724
 725         prev = *iter;
 726         gtk_text_iter_backward_char (&prev);
 727         return gtk_text_iter_get_char (&prev);
 728 }
 729
 730 /* static gunichar  */
 731 /* iter_next_char (GtkTextIter *iter) */
 732 /* { */
 733 /*      GtkTextIter next; */
 734
 735 /*      next = *iter; */
 736 /*      gtk_text_iter_forward_char (&next); */
 737 /*      return gtk_text_iter_get_char (&next); */
 738 /* } */
 739
 740 static void
 741 select_tag_of_iter (GtkTextIter *iter, GtkTextTag *tag)
 742 {
 743         GtkTextIter start, end;
 744
 745         start = *iter;
 746         if (!gtk_text_iter_begins_tag (&start, tag))
 747                 gtk_text_iter_backward_to_tag_toggle (&start, tag);
 748         end = *iter;
 749         if (!gtk_text_iter_ends_tag (&end, tag))
 750                 gtk_text_iter_forward_to_tag_toggle (&end, tag);
 751         gtk_text_buffer_select_range (gtk_text_iter_get_buffer (iter), &start, &end);
 752 }
 753
 754 static gboolean
 755 quote_opened (GtkTextIter *iter)
 756 {
 757         GtkTextIter start;
 758         GtkTextBuffer *buffer;
 759         gboolean opened = FALSE;
 760
 761         buffer = gtk_text_iter_get_buffer (iter);
 762         gtk_text_buffer_get_start_iter (buffer, &start);
 763
 764         while (!gtk_text_iter_equal (&start, iter)) {
 765                 gunichar current_char = gtk_text_iter_get_char (&start);
 766                 if (current_char == '"')
 767                         opened = !opened;
 768                 else if (current_char == '\\')
 769                         gtk_text_iter_forward_char (&start);
 770                 if (!gtk_text_iter_equal (&start, iter))
 771                         gtk_text_iter_forward_char (&start);
 772
 773         }
 774         return opened;
 775
 776 }
 777
 778
 779 static gboolean
 780 modest_recpt_editor_on_key_press_event (GtkTextView *text_view,
 781                                           GdkEventKey *key,
 782                                           ModestRecptEditor *editor)
 783 {
 784         GtkTextMark *insert;
 785         GtkTextMark *selection;
 786         GtkTextBuffer * buffer;
 787         GtkTextIter location, selection_loc;
 788         GtkTextTag *tag;
 789
 790 #ifdef MODEST_TOOLKIT_HILDON2
 791         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (text_view));
 792 #else
 793         buffer = gtk_text_view_get_buffer (text_view);
 794 #endif
 795         insert = gtk_text_buffer_get_insert (buffer);
 796         selection = gtk_text_buffer_get_selection_bound (buffer);
 797
 798         /* cases to cover:
 799          *    * cursor is on resolved recipient:
 800          *        - right should go to first character after the recipient (usually ; or ,)
 801          *        - left should fo to the first character before the recipient
 802          *        - return should run check names on the recipient.
 803          *    * cursor is just after a recipient:
 804          *        - right should go to the next character. If it's a recipient, should select
 805          *          it
 806          *        - left should go to the previous character. If it's a recipient, should go
 807          *          to the first character of the recipient, and select it.
 808          *    * cursor is on arbitrary text:
 809          *        - return should add a ; and go to the next line
 810          *        - left or right standard ones.
 811          *    * cursor is after a \n:
 812          *        - left should go to the character before the \n (as if \n was not a character)
 813          *    * cursor is before a \n:
 814          *        - right should go to the character after the \n
 815          */
 816
 817         gtk_text_buffer_get_iter_at_mark (buffer, &location, insert);
 818         gtk_text_buffer_get_iter_at_mark (buffer, &selection_loc, selection);
 819
 820         switch (key->keyval) {
 821         case GDK_Left:
 822         case GDK_KP_Left:
 823         {
 824                 gboolean cursor_ready = FALSE;
 825                 while (!cursor_ready) {
 826                         if (iter_previous_char (&location) == '\n') {
 827                                 gtk_text_iter_backward_char (&location);
 828                         } else {
 829                                 cursor_ready = TRUE;
 830                         }
 831                 }
 832                 tag = iter_has_recipient (&location);
 833                 if ((tag != NULL)&& (gtk_text_iter_is_start (&location) || !(gtk_text_iter_begins_tag (&location, tag)))) {
 834                         select_tag_of_iter (&location, tag);
 835                         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 836                         return TRUE;
 837                 }
 838                 gtk_text_iter_backward_char (&location);
 839                 tag = iter_has_recipient (&location);
 840                 if (tag != NULL)
 841                         select_tag_of_iter (&location, tag);
 842                 else {
 843                         gtk_text_buffer_place_cursor (buffer, &location);
 844                 }
 845                 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 846
 847                 return TRUE;
 848         }
 849         break;
 850         case GDK_Right:
 851         case GDK_KP_Right:
 852         {
 853                 gboolean cursor_moved = FALSE;
 854
 855                 tag = iter_has_recipient (&location);
 856                 if ((tag != NULL)&&(!gtk_text_iter_ends_tag (&location, tag))) {
 857                         gtk_text_iter_forward_to_tag_toggle (&location, tag);
 858                         while (gtk_text_iter_get_char (&location) == '\n')
 859                                 gtk_text_iter_forward_char (&location);
 860                         gtk_text_buffer_place_cursor (buffer, &location);
 861                         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 862                         return TRUE;
 863                 }
 864
 865                 while (gtk_text_iter_get_char (&location) == '\n') {
 866                         gtk_text_iter_forward_char (&location);
 867                         cursor_moved = TRUE;
 868                 }
 869                 if (!cursor_moved)
 870                         gtk_text_iter_forward_char (&location);
 871                 while (gtk_text_iter_get_char (&location) == '\n') {
 872                         gtk_text_iter_forward_char (&location);
 873                         cursor_moved = TRUE;
 874                 }
 875
 876                 tag = iter_has_recipient (&location);
 877                 if (tag != NULL)
 878                         select_tag_of_iter (&location, tag);
 879                 else
 880                         gtk_text_buffer_place_cursor (buffer, &location);
 881                 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 882                 return TRUE;
 883         }
 884         break;
 885         case GDK_Return:
 886         case GDK_KP_Enter:
 887         {
 888                 gint insert_offset, selection_offset;
 889                 insert_offset = gtk_text_iter_get_offset (&location);
 890                 selection_offset = gtk_text_iter_get_offset (&selection_loc);
 891                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 892                 if (selection_offset > insert_offset)
 893                         location = selection_loc;
 894                 tag = iter_has_recipient (&location);
 895                 if (tag != NULL) {
 896                         gtk_text_buffer_get_end_iter (buffer, &location);
 897                         gtk_text_buffer_place_cursor (buffer, &location);
 898                         if ((iter_previous_char (&location) != ';')&&(iter_previous_char (&location) != ','))
 899                                 gtk_text_buffer_insert_at_cursor (buffer, ";", -1);
 900                         gtk_text_buffer_insert_at_cursor (buffer, "\n", -1);
 901                 } else {
 902                         gunichar prev_char = iter_previous_char (&location);
 903                         if ((gtk_text_iter_is_start (&location))||(prev_char == '\n')
 904                             ||(prev_char == ';')||(prev_char == ','))
 905                                 g_signal_emit_by_name (G_OBJECT (editor), "open-addressbook");
 906                         else {
 907                                 if ((prev_char != ';') && (prev_char != ','))
 908                                         gtk_text_buffer_insert_at_cursor (buffer, ";", -1);
 909                                 gtk_text_buffer_insert_at_cursor (buffer, "\n", -1);
 910                         }
 911                 }
 912                 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 913                 return TRUE;
 914         }
 915         break;
 916         case GDK_BackSpace:
 917         {
 918                 #if GTK_CHECK_VERSION(2, 10, 0) /* gtk_text_buffer_get_has_selection is only available in GTK+ 2.10 */
 919                 if (gtk_text_buffer_get_has_selection (buffer)) {
 920                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 921                         return TRUE;
 922                 }
 923                 #else
 924                 if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
 925                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 926                         return TRUE;
 927                 }
 928                 #endif
 929
 930                 tag = prev_iter_has_recipient (&location);
 931                 if (tag != NULL) {
 932                         GtkTextIter iter_in_tag;
 933                         iter_in_tag = location;
 934                         gtk_text_iter_backward_char (&iter_in_tag);
 935                         select_tag_of_iter (&iter_in_tag, tag);
 936                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 937                         return TRUE;
 938                 }
 939                 return FALSE;
 940         }
 941         break;
 942         default:
 943                 return FALSE;
 944         }
 945 }
 946
 947 static void
 948 modest_recpt_editor_move_cursor_to_end (ModestRecptEditor *editor)
 949 {
 950         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 951 #ifdef MODEST_TOOLKIT_HILDON2
 952         GtkTextBuffer *buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 953 #else
 954         GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 955 #endif
 956         GtkTextIter start, end;
 957
 958         gtk_text_buffer_get_end_iter (buffer, &start);
 959         end = start;
 960         gtk_text_buffer_select_range (buffer, &start, &end);
 961
 962
 963 }
 964
 965 void
 966 modest_recpt_editor_grab_focus (ModestRecptEditor *recpt_editor)
 967 {
 968         ModestRecptEditorPrivate *priv;
 969
 970         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 971         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 972
 973         if (GTK_WIDGET_VISIBLE (recpt_editor)) {
 974                 gtk_widget_grab_focus (priv->text_view);
 975         }
 976 }
 977
 978 gboolean
 979 modest_recpt_editor_has_focus (ModestRecptEditor *recpt_editor)
 980 {
 981         ModestRecptEditorPrivate *priv;
 982
 983         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), FALSE);
 984         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 985
 986         return GTK_WIDGET_VISIBLE (priv->text_view) &&
 987                 gtk_widget_is_focus (priv->text_view);
 988 }
 989
 990 static void
 991 modest_recpt_editor_finalize (GObject *object)
 992 {
 993         ModestRecptEditorPrivate *priv;
 994         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (object);
 995
 996         if (priv->recipients) {
 997                 g_free (priv->recipients);
 998                 priv->recipients = NULL;
 999         }
1000
1001         (*parent_class->finalize) (object);
1002
1003         return;
1004 }
1005
1006 static void
1007 modest_recpt_editor_class_init (ModestRecptEditorClass *klass)
1008 {
1009         GObjectClass *object_class;
1010         GtkWidgetClass *widget_class;
1011
1012         parent_class = g_type_class_peek_parent (klass);
1013         object_class = (GObjectClass*) klass;
1014         widget_class = GTK_WIDGET_CLASS (klass);
1015
1016         object_class->finalize = modest_recpt_editor_finalize;
1017
1018         g_type_class_add_private (object_class, sizeof (ModestRecptEditorPrivate));
1019
1020         signals[OPEN_ADDRESSBOOK_SIGNAL] =
1021                 g_signal_new ("open-addressbook",
1022                               G_TYPE_FROM_CLASS (object_class),
1023                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
1024                               G_STRUCT_OFFSET (ModestRecptEditorClass, open_addressbook),
1025                               NULL, NULL,
1026                               g_cclosure_marshal_VOID__VOID,
1027                               G_TYPE_NONE, 0);
1028
1029         return;
1030 }
1031
1032 GType
1033 modest_recpt_editor_get_type (void)
1034 {
1035         static GType type = 0;
1036
1037         if (G_UNLIKELY(type == 0))
1038         {
1039                 static const GTypeInfo info =
1040                 {
1041                   sizeof (ModestRecptEditorClass),
1042                   NULL,   /* base_init */
1043                   NULL,   /* base_finalize */
1044                   (GClassInitFunc) modest_recpt_editor_class_init,   /* class_init */
1045                   NULL,   /* class_finalize */
1046                   NULL,   /* class_data */
1047                   sizeof (ModestRecptEditor),
1048                   0,      /* n_preallocs */
1049                   modest_recpt_editor_instance_init    /* instance_init */
1050                 };
1051
1052                 type = g_type_register_static (GTK_TYPE_HBOX,
1053                         "ModestRecptEditor",
1054                         &info, 0);
1055
1056         }
1057
1058         return type;
1059 }