1 /* Copyright (c) 2007, Nokia Corporation
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
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.
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.
34 #include <modest-text-utils.h>
35 #include <modest-recpt-editor.h>
36 #include <modest-scroll-text.h>
37 #include <pango/pango-attributes.h>
39 #include <gdk/gdkkeysyms.h>
41 #include <modest-ui-constants.h>
42 #include <modest-toolkit-factory.h>
43 #include <modest-runtime.h>
45 /* FIXNE: we should have no maemo-deps in widgets/ */
46 #ifndef MODEST_TOOLKIT_GTK
47 #include "modest-hildon-includes.h"
48 #endif /*!MODEST_TOOLKIT_GTK*/
50 #define RECPT_BUTTON_WIDTH_HILDON2 118
53 static GObjectClass *parent_class = NULL;
55 #define RECIPIENT_TAG_ID "recpt-id"
59 OPEN_ADDRESSBOOK_SIGNAL,
63 typedef struct _ModestRecptEditorPrivate ModestRecptEditorPrivate;
65 struct _ModestRecptEditorPrivate
68 GtkWidget *abook_button;
69 GtkWidget *scrolled_window;
71 gulong on_mark_set_handler;
75 #define MODEST_RECPT_EDITOR_GET_PRIVATE(o) \
76 (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_RECPT_EDITOR, ModestRecptEditorPrivate))
78 static guint signals[LAST_SIGNAL] = {0};
80 /* static functions: GObject */
81 static void modest_recpt_editor_instance_init (GTypeInstance *instance, gpointer g_class);
82 static void modest_recpt_editor_finalize (GObject *object);
83 static void modest_recpt_editor_class_init (ModestRecptEditorClass *klass);
86 static void modest_recpt_editor_on_abook_clicked (GtkButton *button,
87 ModestRecptEditor *editor);
88 static void modest_recpt_editor_add_tags (ModestRecptEditor *editor,
89 const gchar * recipient_id);
90 static gboolean modest_recpt_editor_on_focus_in (GtkTextView *text_view,
92 ModestRecptEditor *editor);
93 static void modest_recpt_editor_on_mark_set (GtkTextBuffer *buffer,
96 ModestRecptEditor *editor);
97 static void modest_recpt_editor_on_insert_text (GtkTextBuffer *buffer,
98 GtkTextIter *location,
101 ModestRecptEditor *editor);
102 static void modest_recpt_editor_on_insert_text_after (GtkTextBuffer *buffer,
103 GtkTextIter *location,
106 ModestRecptEditor *editor);
107 static gboolean modest_recpt_editor_on_key_press_event (GtkTextView *text_view,
109 ModestRecptEditor *editor);
110 static GtkTextTag *iter_has_recipient (GtkTextIter *iter);
111 static gunichar iter_previous_char (GtkTextIter *iter);
112 /* static gunichar iter_next_char (GtkTextIter *iter); */
113 static GtkTextTag *prev_iter_has_recipient (GtkTextIter *iter);
114 /* static GtkTextTag *next_iter_has_recipient (GtkTextIter *iter); */
115 static void select_tag_of_iter (GtkTextIter *iter, GtkTextTag *tag, gboolean grow, gboolean left_not_right);
116 static gboolean quote_opened (GtkTextIter *iter);
117 static gboolean is_valid_insert (const gchar *text, gint len);
118 static gchar *create_valid_text (const gchar *text, gint len);
121 * modest_recpt_editor_new:
123 * Return value: a new #ModestRecptEditor instance implemented for Gtk+
126 modest_recpt_editor_new (void)
128 ModestRecptEditor *self = g_object_new (MODEST_TYPE_RECPT_EDITOR,
129 "homogeneous", FALSE,
130 "spacing", MODEST_MARGIN_NONE,
133 return GTK_WIDGET (self);
137 modest_recpt_editor_set_recipients (ModestRecptEditor *recpt_editor, const gchar *recipients)
139 ModestRecptEditorPrivate *priv;
140 GtkTextBuffer *buffer = NULL;
141 gchar *valid_recipients = NULL;
143 g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
144 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
146 buffer = modest_text_view_get_buffer (priv->text_view);
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 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
151 gtk_text_buffer_set_text (buffer, valid_recipients, -1);
152 g_free (valid_recipients);
153 if (GTK_WIDGET_REALIZED (recpt_editor))
154 gtk_widget_queue_resize (GTK_WIDGET (recpt_editor));
155 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
156 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
161 modest_recpt_editor_add_recipients (ModestRecptEditor *recpt_editor, const gchar *recipients)
163 ModestRecptEditorPrivate *priv;
164 GtkTextBuffer *buffer = NULL;
166 gchar *string_to_add;
168 g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
169 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
171 if (recipients == NULL)
174 buffer = modest_text_view_get_buffer (priv->text_view);
176 if (gtk_text_buffer_get_char_count (buffer) > 0) {
177 string_to_add = g_strconcat (";\n", recipients, NULL);
179 string_to_add = g_strdup (recipients);
182 gtk_text_buffer_get_end_iter (buffer, &iter);
184 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
185 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
187 gtk_text_buffer_insert (buffer, &iter, string_to_add, -1);
189 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
190 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
192 if (GTK_WIDGET_REALIZED (recpt_editor))
193 gtk_widget_queue_resize (GTK_WIDGET (recpt_editor));
195 g_free (string_to_add);
199 modest_recpt_editor_add_resolved_recipient (ModestRecptEditor *recpt_editor, GSList *email_list, const gchar * recipient_id)
201 ModestRecptEditorPrivate *priv;
202 GtkTextBuffer *buffer = NULL;
203 GtkTextIter start, end, iter;
205 gboolean is_first_recipient = TRUE;
207 g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
208 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
210 buffer = modest_text_view_get_buffer (priv->text_view);
212 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
213 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
214 gtk_text_buffer_get_bounds (buffer, &start, &end);
215 if (gtk_text_buffer_get_char_count (buffer) > 0) {
216 gchar * buffer_contents;
218 gtk_text_buffer_get_bounds (buffer, &start, &end);
219 buffer_contents = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
220 g_strstrip (buffer_contents);
221 if (!g_str_has_suffix (buffer_contents, "\n")) {
222 if (g_str_has_suffix (buffer_contents, ";")||(g_str_has_suffix (buffer_contents, ",")))
223 gtk_text_buffer_insert (buffer, &end, "\n", -1);
225 gtk_text_buffer_insert (buffer, &end, ";\n", -1);
227 g_free (buffer_contents);
230 gtk_text_buffer_get_end_iter (buffer, &iter);
232 for (node = email_list; node != NULL; node = g_slist_next (node)) {
233 gchar *recipient = (gchar *) node->data;
235 if ((recipient) && (strlen (recipient) != 0)) {
237 if (!is_first_recipient)
238 gtk_text_buffer_insert (buffer, &iter, "\n", -1);
240 gtk_text_buffer_insert (buffer, &iter, recipient, -1);
241 gtk_text_buffer_insert (buffer, &iter, ";", -1);
242 is_first_recipient = FALSE;
245 modest_recpt_editor_add_tags (recpt_editor, recipient_id);
247 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
248 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
252 modest_recpt_editor_replace_with_resolved_recipient (ModestRecptEditor *recpt_editor,
253 GtkTextIter *start, GtkTextIter *end,
254 GSList *email_list, const gchar * recipient_id)
256 GSList *email_lists_list;
257 GSList *recipient_ids_list;
259 email_lists_list = g_slist_append (NULL, email_list);
260 recipient_ids_list = g_slist_append (NULL, (gpointer) recipient_id);
262 modest_recpt_editor_replace_with_resolved_recipients (recpt_editor, start, end,
263 email_lists_list, recipient_ids_list);
265 g_slist_free (email_lists_list);
266 g_slist_free (recipient_ids_list);
271 modest_recpt_editor_replace_with_resolved_recipients (ModestRecptEditor *recpt_editor,
272 GtkTextIter *start, GtkTextIter *end,
273 GSList *email_lists_list, GSList * recipient_ids_list)
275 ModestRecptEditorPrivate *priv;
276 GtkTextBuffer *buffer;
279 gboolean is_first_recipient = TRUE;
281 g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
282 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
284 buffer = modest_text_view_get_buffer (priv->text_view);
285 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
286 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
288 gtk_text_buffer_delete (buffer, start, end);
290 while (email_lists_list && recipient_ids_list) {
291 gchar *recipient_id = (gchar *) recipient_ids_list->data;
292 GSList *email_list = (GSList *) email_lists_list->data;
294 tag = gtk_text_buffer_create_tag (buffer, NULL,
295 "underline", PANGO_UNDERLINE_SINGLE,
296 "wrap-mode", GTK_WRAP_NONE,
297 "editable", TRUE, NULL);
299 g_object_set_data (G_OBJECT (tag), "recipient-tag-id", GINT_TO_POINTER (RECIPIENT_TAG_ID));
300 g_object_set_data_full (G_OBJECT (tag), "recipient-id", g_strdup (recipient_id), (GDestroyNotify) g_free);
302 for (node = email_list; node != NULL; node = g_slist_next (node)) {
303 gchar *recipient = (gchar *) node->data;
305 if ((recipient) && (strlen (recipient) != 0)) {
307 if (!is_first_recipient || !gtk_text_iter_is_start(start))
308 gtk_text_buffer_insert (buffer, start, "\n", -1);
310 gtk_text_buffer_insert_with_tags (buffer, start, recipient, -1, tag, NULL);
312 if (node->next != NULL)
313 gtk_text_buffer_insert (buffer, start, ";", -1);
314 is_first_recipient = FALSE;
318 email_lists_list = g_slist_next (email_lists_list);
319 recipient_ids_list = g_slist_next (recipient_ids_list);
321 /* Add a separator between lists of emails*/
322 if (recipient_ids_list)
323 gtk_text_buffer_insert (buffer, start, ";", -1);
325 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
326 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, recpt_editor);
332 modest_recpt_editor_get_recipients (ModestRecptEditor *recpt_editor)
334 ModestRecptEditorPrivate *priv;
335 GtkTextBuffer *buffer = NULL;
336 GtkTextIter start, end;
338 g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), NULL);
339 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
341 if (priv->recipients != NULL) {
342 g_free (priv->recipients);
343 priv->recipients = NULL;
346 buffer = modest_text_view_get_buffer (priv->text_view);
348 gtk_text_buffer_get_start_iter (buffer, &start);
349 gtk_text_buffer_get_end_iter (buffer, &end);
351 priv->recipients = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
353 return priv->recipients;
358 modest_recpt_editor_instance_init (GTypeInstance *instance, gpointer g_class)
360 ModestRecptEditorPrivate *priv;
361 GtkWidget *abook_icon;
362 GtkWidget *abook_align;
363 GtkTextBuffer *buffer;
365 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (instance);
367 priv->show_abook = TRUE;
368 priv->abook_button = gtk_button_new ();
369 gtk_widget_set_no_show_all (GTK_WIDGET (priv->abook_button), TRUE);
370 gtk_widget_show (priv->abook_button);
371 #ifdef MODEST_TOOLKIT_HILDON2
372 gtk_widget_set_size_request (priv->abook_button, RECPT_BUTTON_WIDTH_HILDON2, -1);
374 gtk_button_set_relief (GTK_BUTTON (priv->abook_button), GTK_RELIEF_NONE);
376 gtk_button_set_focus_on_click (GTK_BUTTON (priv->abook_button), FALSE);
377 GTK_WIDGET_UNSET_FLAGS (priv->abook_button, GTK_CAN_FOCUS);
378 gtk_button_set_alignment (GTK_BUTTON (priv->abook_button), 0.5, 0.5);
379 #ifdef MODEST_TOOLKIT_HILDON2
380 abook_icon = gtk_image_new_from_icon_name ("general_contacts", HILDON_ICON_SIZE_FINGER);
382 abook_icon = gtk_image_new_from_icon_name ("qgn_list_addressbook", GTK_ICON_SIZE_BUTTON);
384 gtk_container_add (GTK_CONTAINER (priv->abook_button), abook_icon);
386 priv->text_view = modest_toolkit_factory_create_text_view (modest_runtime_get_toolkit_factory ());
387 /* Auto-capitalization is the default, so let's turn it off: */
389 hildon_gtk_text_view_set_input_mode (GTK_TEXT_VIEW (priv->text_view),
390 HILDON_GTK_INPUT_MODE_FULL);
393 priv->recipients = NULL;
395 #ifdef MODEST_TOOLKIT_HILDON2
396 priv->scrolled_window = NULL;
397 gtk_box_pack_start (GTK_BOX (instance), priv->text_view, TRUE, TRUE, 0);
399 priv->scrolled_window = modest_scroll_text_new (GTK_TEXT_VIEW (priv->text_view), 1024);
400 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window), GTK_POLICY_NEVER,
401 GTK_POLICY_AUTOMATIC);
402 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->scrolled_window), GTK_SHADOW_IN);
403 /* gtk_container_add (GTK_CONTAINER (priv->scrolled_window), priv->text_view); */
405 gtk_box_pack_start (GTK_BOX (instance), priv->scrolled_window, TRUE, TRUE, 0);
406 /* gtk_box_pack_start (GTK_BOX (instance), priv->text_view, TRUE, TRUE, 0); */
408 abook_align = gtk_alignment_new (0.0, 0.0, 1.0, 1.0);
409 gtk_alignment_set_padding (GTK_ALIGNMENT (abook_align), 0, 0, MODEST_MARGIN_DEFAULT, 0);
410 gtk_container_add (GTK_CONTAINER (abook_align), priv->abook_button);
411 gtk_box_pack_end (GTK_BOX (instance), abook_align, FALSE, FALSE, 0);
413 gtk_text_view_set_accepts_tab (GTK_TEXT_VIEW (priv->text_view), FALSE);
414 gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (priv->text_view), TRUE);
415 gtk_text_view_set_editable (GTK_TEXT_VIEW (priv->text_view), TRUE);
417 gtk_text_view_set_justification (GTK_TEXT_VIEW (priv->text_view), GTK_JUSTIFY_LEFT);
418 gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (priv->text_view), GTK_WRAP_CHAR);
420 gtk_widget_set_size_request (priv->text_view, 75, -1);
422 buffer = modest_text_view_get_buffer (priv->text_view);
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",
427 G_CALLBACK (modest_recpt_editor_on_insert_text),
429 g_signal_connect_after (G_OBJECT (buffer), "insert-text",
430 G_CALLBACK (modest_recpt_editor_on_insert_text_after),
433 priv->on_mark_set_handler = g_signal_connect (G_OBJECT (buffer), "mark-set",
434 G_CALLBACK (modest_recpt_editor_on_mark_set),
441 modest_recpt_editor_set_field_size_group (ModestRecptEditor *recpt_editor, GtkSizeGroup *size_group)
443 ModestRecptEditorPrivate *priv;
445 g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
446 g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
447 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
449 #ifdef MODEST_TOOLKIT_HILDON2
450 gtk_size_group_add_widget (size_group, priv->text_view);
452 gtk_size_group_add_widget (size_group, priv->scrolled_window);
457 modest_recpt_editor_get_buffer (ModestRecptEditor *recpt_editor)
459 ModestRecptEditorPrivate *priv;
461 g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), NULL);
462 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
464 return modest_text_view_get_buffer (priv->text_view);
468 modest_recpt_editor_on_abook_clicked (GtkButton *button, ModestRecptEditor *editor)
470 g_return_if_fail (MODEST_IS_RECPT_EDITOR (editor));
472 g_signal_emit_by_name (G_OBJECT (editor), "open-addressbook");
476 modest_recpt_editor_on_mark_set (GtkTextBuffer *buffer,
479 ModestRecptEditor *recpt_editor)
481 ModestRecptEditorPrivate *priv;
482 GtkTextIter insert_iter, selection_iter;
483 GtkTextMark *selection_bound;
486 gboolean selection_changed = FALSE;
487 gboolean select_to_left;
489 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
491 buffer = modest_recpt_editor_get_buffer (recpt_editor);
492 selection_bound = gtk_text_buffer_get_selection_bound (buffer);
493 insert = gtk_text_buffer_get_insert (buffer);
495 if (mark != selection_bound && mark != insert)
498 gtk_text_buffer_get_iter_at_mark (buffer, &insert_iter, insert);
499 gtk_text_buffer_get_iter_at_mark (buffer, &selection_iter, selection_bound);
501 select_to_left = gtk_text_iter_get_offset (&selection_iter) > gtk_text_iter_get_offset (&insert_iter);
503 tag = iter_has_recipient (&insert_iter);
505 if (select_to_left) {
506 if (!gtk_text_iter_begins_tag (&insert_iter, tag)) {
507 gtk_text_iter_backward_to_tag_toggle (&insert_iter, tag);
508 selection_changed = TRUE;
511 gtk_text_iter_forward_to_tag_toggle (&insert_iter, tag);
512 selection_changed = TRUE;
516 tag = iter_has_recipient (&selection_iter);
518 if (select_to_left) {
519 gtk_text_iter_forward_to_tag_toggle (&selection_iter, tag);
520 selection_changed = TRUE;
522 if (!gtk_text_iter_begins_tag (&selection_iter, tag)) {
523 gtk_text_iter_backward_to_tag_toggle (&selection_iter, tag);
524 selection_changed = TRUE;
529 if (selection_changed) {
530 /* We block this signal handler in order to prevent a
531 stack overflow caused by recursive calls to this
532 handler as the select_range call could issue a
534 g_signal_handler_block (buffer, priv->on_mark_set_handler);
535 gtk_text_buffer_select_range (buffer, &insert_iter, &selection_iter);
536 g_signal_handler_unblock (buffer, priv->on_mark_set_handler);
541 modest_recpt_editor_on_focus_in (GtkTextView *text_view,
542 GdkEventFocus *event,
543 ModestRecptEditor *editor)
545 ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
546 gtk_text_view_place_cursor_onscreen (GTK_TEXT_VIEW (priv->text_view));
552 is_valid_insert (const gchar *text, gint len)
557 gboolean quoted = FALSE;
558 const gchar *current, *next_current;
563 while (((len == -1)||(i < len)) && (*current != '\0')) {
564 c = g_utf8_get_char (current);
565 next_current = g_utf8_next_char (current);
566 if (next_current && *next_current != '\0')
567 next_c = g_utf8_get_char (g_utf8_next_char (current));
570 if (!quoted && ((c == g_utf8_get_char(",") || c == g_utf8_get_char (";")))) {
571 if ((next_c != 0) && (next_c != g_utf8_get_char ("\n")))
574 current = g_utf8_next_char (next_current);
578 if (c == 0x2022 || c == 0xfffc ||
579 c == g_utf8_get_char ("\n") ||
580 c == g_utf8_get_char ("\t"))
582 if (c == g_utf8_get_char ("\""))
584 current = g_utf8_next_char (current);
591 create_valid_text (const gchar *text, gint len)
597 gboolean quoted = FALSE;
598 const gchar *current, *next_current;
603 str = g_string_new ("");
606 while (((len == -1)||(i < len)) && (*current != '\0')) {
607 c = g_utf8_get_char (current);
608 next_current = g_utf8_next_char (current);
609 if (next_current && *next_current != '\0')
610 next_c = g_utf8_get_char (g_utf8_next_char (current));
613 if (c != 0x2022 && c != 0xfffc &&
614 c != g_utf8_get_char ("\n") &&
615 c != g_utf8_get_char ("\t"))
616 str = g_string_append_unichar (str, c);
617 if (!quoted && ((c == g_utf8_get_char(",") || c == g_utf8_get_char (";")))) {
618 if ((next_c != 0) && (next_c != g_utf8_get_char ("\n"))) {
619 gchar *last_separator = MAX (g_utf8_strrchr(str->str, -1, g_utf8_get_char (",")),
620 g_utf8_strrchr(str->str, -1, g_utf8_get_char (";")));
621 if (last_separator) {
622 gchar *last_at = g_utf8_strrchr (str->str, -1, g_utf8_get_char ("@"));
624 if (last_at < last_separator)
625 str = g_string_append_c (str, '\n');
628 if (g_utf8_strrchr (str->str, -1, g_utf8_get_char ("@")))
629 str = g_string_append_c (str, '\n');
633 if (c == g_utf8_get_char ("\""))
635 current = g_utf8_next_char (current);
639 return g_string_free (str, FALSE);
642 /* Called after the default handler, and thus after the text was
643 inserted. We use this to insert a break after a ',' or a ';'*/
645 modest_recpt_editor_on_insert_text_after (GtkTextBuffer *buffer,
646 GtkTextIter *location,
649 ModestRecptEditor *editor)
653 ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
656 /* We must go backwards twice as location points to the next
657 valid position to insert text */
658 if (!gtk_text_iter_backward_chars (&prev, 2))
661 prev_char = gtk_text_iter_get_char (&prev);
662 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
663 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, editor);
664 if ((prev_char == ';'||prev_char == ',')&&(!quote_opened(&prev))) {
666 gtk_text_iter_forward_char (&prev);
667 gtk_text_buffer_insert (buffer, &prev, "\n",-1);
668 insert = gtk_text_buffer_get_insert (buffer);
669 gtk_text_view_scroll_to_iter (GTK_TEXT_VIEW (priv->text_view), &prev, 0.0,TRUE, 0.0, 1.0);
671 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
672 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, editor);
675 /* Called before the default handler, we use it to validate the inputs */
677 modest_recpt_editor_on_insert_text (GtkTextBuffer *buffer,
678 GtkTextIter *location,
681 ModestRecptEditor *editor)
686 if (!is_valid_insert (text, len)) {
687 gchar *new_text = create_valid_text (text, len);
688 g_signal_stop_emission_by_name (G_OBJECT (buffer), "insert-text");
689 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
690 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, editor);
691 gtk_text_buffer_insert (buffer, location, new_text, -1);
692 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
693 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, editor);
698 if (iter_has_recipient (location)) {
699 gtk_text_buffer_get_end_iter (buffer, location);
700 gtk_text_buffer_place_cursor (buffer, location);
705 iter_has_recipient (GtkTextIter *iter)
708 GtkTextTag *result = NULL;
710 tags = gtk_text_iter_get_tags (iter);
712 for (node = tags; node != NULL; node = g_slist_next (node)) {
713 GtkTextTag *tag = GTK_TEXT_TAG (node->data);
715 if (g_object_get_data (G_OBJECT (tag), "recipient-tag-id")) {
725 prev_iter_has_recipient (GtkTextIter *iter)
730 gtk_text_iter_backward_char (&prev);
731 return iter_has_recipient (&prev);
734 /* static GtkTextTag * */
735 /* next_iter_has_recipient (GtkTextIter *iter) */
737 /* GtkTextIter next; */
740 /* return iter_has_recipient (&next); */
744 iter_previous_char (GtkTextIter *iter)
749 gtk_text_iter_backward_char (&prev);
750 return gtk_text_iter_get_char (&prev);
753 /* static gunichar */
754 /* iter_next_char (GtkTextIter *iter) */
756 /* GtkTextIter next; */
759 /* gtk_text_iter_forward_char (&next); */
760 /* return gtk_text_iter_get_char (&next); */
764 select_tag_of_iter (GtkTextIter *iter, GtkTextTag *tag, gboolean grow, gboolean left_not_right)
766 GtkTextIter start, end;
769 if (!gtk_text_iter_begins_tag (&start, tag)) {
770 gtk_text_iter_backward_to_tag_toggle (&start, tag);
772 if (!left_not_right) {
773 gtk_text_buffer_select_range (gtk_text_iter_get_buffer (iter), &start, &start);
778 if (!gtk_text_iter_ends_tag (&end, tag)) {
779 gtk_text_iter_forward_to_tag_toggle (&end, tag);
781 if (left_not_right) {
782 gtk_text_buffer_select_range (gtk_text_iter_get_buffer (iter), &end, &end);
788 gtk_text_buffer_select_range (gtk_text_iter_get_buffer (iter), &start, &end);
790 gtk_text_buffer_select_range (gtk_text_iter_get_buffer (iter), &end, &start);
793 gtk_text_buffer_select_range (gtk_text_iter_get_buffer (iter), &start, &start);
795 gtk_text_buffer_select_range (gtk_text_iter_get_buffer (iter), &end, &end);
797 *iter = left_not_right?start:end;
801 quote_opened (GtkTextIter *iter)
804 GtkTextBuffer *buffer;
805 gboolean opened = FALSE;
807 buffer = gtk_text_iter_get_buffer (iter);
808 gtk_text_buffer_get_start_iter (buffer, &start);
810 while (!gtk_text_iter_equal (&start, iter)) {
811 gunichar current_char = gtk_text_iter_get_char (&start);
812 if (current_char == '"')
814 else if (current_char == '\\')
815 gtk_text_iter_forward_char (&start);
816 if (!gtk_text_iter_equal (&start, iter))
817 gtk_text_iter_forward_char (&start);
826 modest_recpt_editor_on_key_press_event (GtkTextView *text_view,
828 ModestRecptEditor *editor)
831 GtkTextMark *selection;
832 GtkTextBuffer * buffer;
833 GtkTextIter location, selection_loc;
835 gboolean shift_pressed;
836 gboolean select_to_left;
837 gboolean has_selection;
839 buffer = modest_text_view_get_buffer (GTK_WIDGET (text_view));
840 insert = gtk_text_buffer_get_insert (buffer);
841 selection = gtk_text_buffer_get_selection_bound (buffer);
844 * * cursor is on resolved recipient:
845 * - right should go to first character after the recipient (usually ; or ,)
846 * - left should fo to the first character before the recipient
847 * - return should run check names on the recipient.
848 * * cursor is just after a recipient:
849 * - right should go to the next character. If it's a recipient, should select
851 * - left should go to the previous character. If it's a recipient, should go
852 * to the first character of the recipient, and select it.
853 * * cursor is on arbitrary text:
854 * - return should add a ; and go to the next line
855 * - left or right standard ones.
856 * * cursor is after a \n:
857 * - left should go to the character before the \n (as if \n was not a character)
858 * * cursor is before a \n:
859 * - right should go to the character after the \n
862 gtk_text_buffer_get_iter_at_mark (buffer, &location, insert);
863 gtk_text_buffer_get_iter_at_mark (buffer, &selection_loc, selection);
865 select_to_left = gtk_text_iter_get_offset (&selection_loc) > gtk_text_iter_get_offset (&location);
866 has_selection = gtk_text_iter_get_offset (&selection_loc) != gtk_text_iter_get_offset (&location);
867 shift_pressed = key->state & GDK_SHIFT_MASK;
869 switch (key->keyval) {
873 gboolean cursor_ready = FALSE;
874 GtkTextIter prev_location;
875 gboolean moved = TRUE;
877 prev_location = location;
878 while (!cursor_ready) {
879 if (moved && (iter_previous_char (&location) == '\n')) {
880 moved = gtk_text_iter_backward_char (&location);
885 tag = iter_has_recipient (&location);
886 if (has_selection && gtk_text_iter_ends_tag (&prev_location, tag)) {
887 gtk_text_iter_backward_to_tag_toggle (&prev_location, tag);
888 location = prev_location;
889 cursor_ready = FALSE;
891 while (moved && !cursor_ready) {
892 if (iter_previous_char (&location) == '\n') {
893 moved = gtk_text_iter_backward_char (&location);
900 if ((tag != NULL)&& (gtk_text_iter_is_start (&location) || !(gtk_text_iter_begins_tag (&location, tag)))) {
902 gtk_text_buffer_select_range (buffer, &location, &location);
904 select_tag_of_iter (&location, tag, select_to_left, TRUE);
906 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
909 gtk_text_buffer_select_range (buffer, &location, &selection_loc);
913 gtk_text_iter_backward_char (&location);
914 tag = iter_has_recipient (&location);
916 select_tag_of_iter (&location, tag, select_to_left, TRUE);
918 gtk_text_buffer_place_cursor (buffer, &location);
920 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
923 gtk_text_buffer_select_range (buffer, &location, &selection_loc);
932 gboolean cursor_moved = FALSE;
933 gboolean moved = TRUE;
935 tag = iter_has_recipient (&location);
936 if ((tag != NULL)&&(!gtk_text_iter_ends_tag (&location, tag))) {
937 gtk_text_iter_forward_to_tag_toggle (&location, tag);
939 while (moved && (gtk_text_iter_get_char (&location) == '\n'))
940 moved = gtk_text_iter_forward_char (&location);
941 gtk_text_buffer_place_cursor (buffer, &location);
942 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
945 gtk_text_buffer_select_range (buffer, &location, &selection_loc);
951 while (moved && (gtk_text_iter_get_char (&location) == '\n')) {
952 moved = gtk_text_iter_forward_char (&location);
956 gtk_text_iter_forward_char (&location);
959 while (moved && (gtk_text_iter_get_char (&location) == '\n')) {
960 moved = gtk_text_iter_forward_char (&location);
964 tag = iter_has_recipient (&location);
966 select_tag_of_iter (&location, tag, !select_to_left, FALSE);
968 gtk_text_buffer_place_cursor (buffer, &location);
969 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
972 gtk_text_buffer_select_range (buffer, &location, &selection_loc);
980 gint insert_offset, selection_offset;
981 insert_offset = gtk_text_iter_get_offset (&location);
982 selection_offset = gtk_text_iter_get_offset (&selection_loc);
983 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
984 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text_after, editor);
985 if (selection_offset > insert_offset)
986 location = selection_loc;
987 tag = iter_has_recipient (&location);
989 gtk_text_buffer_get_end_iter (buffer, &location);
990 gtk_text_buffer_place_cursor (buffer, &location);
991 if ((iter_previous_char (&location) != ';')&&(iter_previous_char (&location) != ','))
992 gtk_text_buffer_insert_at_cursor (buffer, ";", -1);
993 gtk_text_buffer_insert_at_cursor (buffer, "\n", -1);
995 gunichar prev_char = iter_previous_char (&location);
996 if ((gtk_text_iter_is_start (&location))||(prev_char == '\n')
997 ||(prev_char == ';')||(prev_char == ','))
998 g_signal_emit_by_name (G_OBJECT (editor), "open-addressbook");
1000 if ((prev_char != ';') && (prev_char != ','))
1001 gtk_text_buffer_insert_at_cursor (buffer, ";", -1);
1002 gtk_text_buffer_insert_at_cursor (buffer, "\n", -1);
1005 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
1006 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text_after, editor);
1012 #if GTK_CHECK_VERSION(2, 10, 0) /* gtk_text_buffer_get_has_selection is only available in GTK+ 2.10 */
1013 if (gtk_text_buffer_get_has_selection (buffer)) {
1014 gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
1018 if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1019 gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
1024 tag = prev_iter_has_recipient (&location);
1026 GtkTextIter iter_in_tag;
1027 iter_in_tag = location;
1028 gtk_text_iter_backward_char (&iter_in_tag);
1029 select_tag_of_iter (&iter_in_tag, tag, FALSE, TRUE);
1030 gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
1041 static void _discard_chars (GtkTextIter *start, GtkTextIter *end)
1043 while (!gtk_text_iter_equal (start, end)) {
1044 gunichar c = gtk_text_iter_get_char (start);
1046 if (c == '\n' || c == ';' || c == ',' || c == ' ') {
1047 if (!gtk_text_iter_forward_char (start))
1056 /* NOTE: before calling this function be sure that both
1057 modest_recpt_editor_on_insert_text and
1058 modest_recpt_editor_on_insert_text_after won't be triggered during
1059 the execution of the procedure. You'll have to block both signal
1060 handlers otherwise you'll get an infinite loop and most likely a
1061 SIGSEV caused by a stack overflow */
1063 modest_recpt_editor_add_tags (ModestRecptEditor *editor,
1064 const gchar * recipient_id)
1067 ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
1068 GtkTextBuffer *buffer = modest_text_view_get_buffer (priv->text_view);
1070 GtkTextIter start, end;
1071 gchar * buffer_contents;
1072 GtkTextIter start_match, end_match;
1074 /* This would move the cursor to the end of the buffer
1075 containing new line character. */
1076 gtk_text_buffer_get_bounds (buffer, &start, &end);
1077 buffer_contents = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1078 gtk_text_buffer_set_text(buffer,buffer_contents,strlen(buffer_contents));
1080 tag = gtk_text_buffer_create_tag (buffer, NULL,
1081 "underline", PANGO_UNDERLINE_SINGLE,
1082 "wrap-mode", GTK_WRAP_NONE,
1083 "editable", TRUE, NULL);
1085 g_object_set_data (G_OBJECT (tag), "recipient-tag-id", GINT_TO_POINTER (RECIPIENT_TAG_ID));
1086 g_object_set_data_full (G_OBJECT (tag), "recipient-id", g_strdup (recipient_id), (GDestroyNotify) g_free);
1088 /* Formatting the buffer content by applying tag */
1089 gtk_text_buffer_get_bounds (buffer, &start, &end);
1090 _discard_chars (&start, &end);
1091 while (gtk_text_iter_forward_search(&start, ";",
1092 GTK_TEXT_SEARCH_TEXT_ONLY |
1093 GTK_TEXT_SEARCH_VISIBLE_ONLY,
1094 &start_match, &end_match, &end )) {
1097 gtk_text_buffer_apply_tag(buffer, tag, &start, &start_match);
1098 offset = gtk_text_iter_get_offset (&end_match);
1099 gtk_text_buffer_get_iter_at_offset(buffer, &start, offset);
1100 _discard_chars (&start, &end);
1102 g_free (buffer_contents);
1106 modest_recpt_editor_grab_focus (ModestRecptEditor *recpt_editor)
1108 ModestRecptEditorPrivate *priv;
1110 g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
1111 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
1113 if (GTK_WIDGET_VISIBLE (recpt_editor)) {
1114 gtk_widget_grab_focus (priv->text_view);
1119 modest_recpt_editor_has_focus (ModestRecptEditor *recpt_editor)
1121 ModestRecptEditorPrivate *priv;
1123 g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), FALSE);
1124 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
1126 return GTK_WIDGET_VISIBLE (priv->text_view) &&
1127 gtk_widget_is_focus (priv->text_view);
1131 modest_recpt_editor_set_show_abook_button (ModestRecptEditor *recpt_editor, gboolean show)
1133 ModestRecptEditorPrivate *priv;
1135 g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
1136 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
1138 priv->show_abook = show;
1141 gtk_widget_show (priv->abook_button);
1143 gtk_widget_hide (priv->abook_button);
1147 modest_recpt_editor_get_show_abook_button (ModestRecptEditor *recpt_editor, gboolean show)
1149 ModestRecptEditorPrivate *priv;
1151 g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), FALSE);
1152 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
1154 return priv->show_abook;
1159 modest_recpt_editor_finalize (GObject *object)
1161 ModestRecptEditorPrivate *priv;
1162 priv = MODEST_RECPT_EDITOR_GET_PRIVATE (object);
1164 if (g_signal_handler_is_connected (object, priv->on_mark_set_handler))
1165 g_signal_handler_disconnect (object, priv->on_mark_set_handler);
1166 priv->on_mark_set_handler = 0;
1168 if (priv->recipients) {
1169 g_free (priv->recipients);
1170 priv->recipients = NULL;
1173 (*parent_class->finalize) (object);
1179 modest_recpt_editor_class_init (ModestRecptEditorClass *klass)
1181 GObjectClass *object_class;
1183 parent_class = g_type_class_peek_parent (klass);
1184 object_class = (GObjectClass*) klass;
1186 object_class->finalize = modest_recpt_editor_finalize;
1188 g_type_class_add_private (object_class, sizeof (ModestRecptEditorPrivate));
1190 signals[OPEN_ADDRESSBOOK_SIGNAL] =
1191 g_signal_new ("open-addressbook",
1192 G_TYPE_FROM_CLASS (object_class),
1193 G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
1194 G_STRUCT_OFFSET (ModestRecptEditorClass, open_addressbook),
1196 g_cclosure_marshal_VOID__VOID,
1203 modest_recpt_editor_get_type (void)
1205 static GType type = 0;
1207 if (G_UNLIKELY(type == 0))
1209 static const GTypeInfo info =
1211 sizeof (ModestRecptEditorClass),
1212 NULL, /* base_init */
1213 NULL, /* base_finalize */
1214 (GClassInitFunc) modest_recpt_editor_class_init, /* class_init */
1215 NULL, /* class_finalize */
1216 NULL, /* class_data */
1217 sizeof (ModestRecptEditor),
1218 0, /* n_preallocs */
1219 modest_recpt_editor_instance_init /* instance_init */
1222 type = g_type_register_static (GTK_TYPE_HBOX,
1223 "ModestRecptEditor",