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