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LogWindow: Don't cut the log messages
[empathy-mirror.git] / libempathy-gtk / empathy-chat-text-view.c
blob18d12963e6d636fc9739c8256e1870a640a9b926
1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
2 /*
3 * Copyright (C) 2002-2007 Imendio AB
4 * Copyright (C) 2008 Collabora Ltd.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of the
9 * License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public
17 * License along with this program; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19 * Boston, MA 02110-1301 USA
20 *
21 * Authors: Mikael Hallendal <micke@imendio.com>
22 * Richard Hult <richard@imendio.com>
23 * Martyn Russell <martyn@imendio.com>
24 * Xavier Claessens <xclaesse@gmail.com>
25 */
26
27 #include "config.h"
28
29 #include <sys/types.h>
30 #include <string.h>
31 #include <time.h>
32
33 #include <glib/gi18n-lib.h>
34 #include <gtk/gtk.h>
35
36 #include <telepathy-glib/util.h>
37
38 #include <libempathy/empathy-gsettings.h>
39 #include <libempathy/empathy-utils.h>
40
41 #include "empathy-chat-text-view.h"
42 #include "empathy-chat.h"
43 #include "empathy-ui-utils.h"
44 #include "empathy-smiley-manager.h"
45 #include "empathy-string-parser.h"
46
47 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
48 #include <libempathy/empathy-debug.h>
49
50 /* Number of seconds between timestamps when using normal mode, 5 minutes. */
51 #define TIMESTAMP_INTERVAL (5 * G_TIME_SPAN_MINUTE)
52
53 #define MAX_LINES 800
54 #define MAX_SCROLL_TIME 0.4 /* seconds */
55 #define SCROLL_DELAY 33 /* milliseconds */
56
57 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChatTextView)
58
59 typedef struct {
60 GtkTextBuffer *buffer;
61 guint scroll_timeout;
62 GTimer *scroll_time;
63 GtkTextMark *find_mark_previous;
64 GtkTextMark *find_mark_next;
65 gboolean find_wrapped;
66 gboolean find_last_direction;
67 EmpathyContact *last_contact;
68 gint64 last_timestamp;
69 gboolean allow_scrolling;
70 guint notify_system_fonts_id;
71 GSettings *gsettings_desktop;
72 GSettings *gsettings_chat;
73 EmpathySmileyManager *smiley_manager;
74 gboolean only_if_date;
75 } EmpathyChatTextViewPriv;
76
77 static void chat_text_view_iface_init (EmpathyChatViewIface *iface);
78
79 static void chat_text_view_copy_clipboard (EmpathyChatView *view);
80
81 G_DEFINE_TYPE_WITH_CODE (EmpathyChatTextView, empathy_chat_text_view,
82 GTK_TYPE_TEXT_VIEW,
83 G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CHAT_VIEW,
84 chat_text_view_iface_init));
85
86 enum {
87 PROP_0,
88 PROP_LAST_CONTACT,
89 PROP_ONLY_IF_DATE
90 };
91
92 static gboolean
93 chat_text_view_url_event_cb (GtkTextTag *tag,
94 GObject *object,
95 GdkEvent *event,
96 GtkTextIter *iter,
97 EmpathyChatTextView *view)
98 {
99 EmpathyChatTextViewPriv *priv;
100 GtkTextIter start, end;
101 gchar *str;
102
103 priv = GET_PRIV (view);
104
105 /* If the link is being selected, don't do anything. */
106 gtk_text_buffer_get_selection_bounds (priv->buffer, &start, &end);
107 if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end)) {
108 return FALSE;
109 }
110
111 if (event->type == GDK_BUTTON_RELEASE && event->button.button == 1) {
112 start = end = *iter;
113
114 if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
115 gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
116 str = gtk_text_buffer_get_text (priv->buffer,
117 &start,
118 &end,
119 FALSE);
120
121 empathy_url_show (GTK_WIDGET (view), str);
122 g_free (str);
123 }
124 }
125
126 return FALSE;
127 }
128
129 static gboolean
130 chat_text_view_event_cb (EmpathyChatTextView *view,
131 GdkEventMotion *event,
132 GtkTextTag *tag)
133 {
134 static GdkCursor *hand = NULL;
135 static GdkCursor *beam = NULL;
136 GtkTextWindowType type;
137 GtkTextIter iter;
138 GdkWindow *win;
139 gint x, y, buf_x, buf_y;
140
141 type = gtk_text_view_get_window_type (GTK_TEXT_VIEW (view),
142 event->window);
143
144 if (type != GTK_TEXT_WINDOW_TEXT) {
145 return FALSE;
146 }
147
148 /* Get where the pointer really is. */
149 win = gtk_text_view_get_window (GTK_TEXT_VIEW (view), type);
150 if (!win) {
151 return FALSE;
152 }
153
154 gdk_window_get_pointer (win, &x, &y, NULL);
155
156 /* Get the iter where the cursor is at */
157 gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view), type,
158 x, y,
159 &buf_x, &buf_y);
160
161 gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view),
162 &iter,
163 buf_x, buf_y);
164
165 if (gtk_text_iter_has_tag (&iter, tag)) {
166 if (!hand) {
167 hand = gdk_cursor_new (GDK_HAND2);
168 beam = gdk_cursor_new (GDK_XTERM);
169 }
170 gdk_window_set_cursor (win, hand);
171 } else {
172 if (!beam) {
173 beam = gdk_cursor_new (GDK_XTERM);
174 }
175 gdk_window_set_cursor (win, beam);
176 }
177
178 return FALSE;
179 }
180
181 static void
182 chat_text_view_create_tags (EmpathyChatTextView *view)
183 {
184 EmpathyChatTextViewPriv *priv = GET_PRIV (view);
185 GtkTextTag *tag;
186
187 gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_CUT, NULL);
188 gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_HIGHLIGHT, NULL);
189 gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_SPACING, NULL);
190 gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_TIME, NULL);
191 gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_ACTION, NULL);
192 gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_BODY, NULL);
193 gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_EVENT, NULL);
194
195 tag = gtk_text_buffer_create_tag (priv->buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_LINK, NULL);
196 g_signal_connect (tag, "event",
197 G_CALLBACK (chat_text_view_url_event_cb),
198 view);
199
200 g_signal_connect (view, "motion-notify-event",
201 G_CALLBACK (chat_text_view_event_cb),
202 tag);
203 }
204
205 static void
206 chat_text_view_system_font_update (EmpathyChatTextView *view)
207 {
208 EmpathyChatTextViewPriv *priv = GET_PRIV (view);
209 PangoFontDescription *font_description = NULL;
210 gchar *font_name;
211
212 font_name = g_settings_get_string (priv->gsettings_desktop,
213 EMPATHY_PREFS_DESKTOP_INTERFACE_DOCUMENT_FONT_NAME);
214
215 if (font_name != NULL) {
216 font_description = pango_font_description_from_string (font_name);
217 g_free (font_name);
218 } else {
219 font_description = NULL;
220 }
221
222 gtk_widget_override_font (GTK_WIDGET (view), font_description);
223
224 if (font_description) {
225 pango_font_description_free (font_description);
226 }
227 }
228
229 static void
230 chat_text_view_notify_system_font_cb (GSettings *gsettings,
231 const gchar *key,
232 EmpathyChatTextView *self)
233 {
234 chat_text_view_system_font_update (self);
235 }
236
237 static void
238 chat_text_view_open_address_cb (GtkMenuItem *menuitem, const gchar *url)
239 {
240 empathy_url_show (GTK_WIDGET (menuitem), url);
241 }
242
243 static void
244 chat_text_view_copy_address_cb (GtkMenuItem *menuitem, const gchar *url)
245 {
246 GtkClipboard *clipboard;
247
248 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
249 gtk_clipboard_set_text (clipboard, url, -1);
250
251 clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
252 gtk_clipboard_set_text (clipboard, url, -1);
253 }
254
255 static void
256 chat_text_view_populate_popup (EmpathyChatTextView *view,
257 GtkMenu *menu,
258 gpointer user_data)
259 {
260 EmpathyChatTextViewPriv *priv;
261 GtkTextTagTable *table;
262 GtkTextTag *tag;
263 gint x, y;
264 GtkTextIter iter, start, end;
265 GtkWidget *item;
266 gchar *str = NULL;
267
268 priv = GET_PRIV (view);
269
270 /* Clear menu item */
271 if (gtk_text_buffer_get_char_count (priv->buffer) > 0) {
272 item = gtk_separator_menu_item_new ();
273 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
274 gtk_widget_show (item);
275
276 item = gtk_image_menu_item_new_from_stock (GTK_STOCK_CLEAR, NULL);
277 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
278 gtk_widget_show (item);
279
280 g_signal_connect_swapped (item, "activate",
281 G_CALLBACK (empathy_chat_view_clear),
282 view);
283 }
284
285 /* Link context menu items */
286 table = gtk_text_buffer_get_tag_table (priv->buffer);
287 tag = gtk_text_tag_table_lookup (table, EMPATHY_CHAT_TEXT_VIEW_TAG_LINK);
288
289 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
290
291 gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
292 GTK_TEXT_WINDOW_WIDGET,
293 x, y,
294 &x, &y);
295
296 gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
297
298 start = end = iter;
299
300 if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
301 gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
302 str = gtk_text_buffer_get_text (priv->buffer,
303 &start, &end, FALSE);
304 }
305
306 if (EMP_STR_EMPTY (str)) {
307 g_free (str);
308 return;
309 }
310
311 /* NOTE: Set data just to get the string freed when not needed. */
312 g_object_set_data_full (G_OBJECT (menu),
313 "url", str,
314 (GDestroyNotify) g_free);
315
316 item = gtk_separator_menu_item_new ();
317 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
318 gtk_widget_show (item);
319
320 item = gtk_menu_item_new_with_mnemonic (_("_Copy Link Address"));
321 g_signal_connect (item, "activate",
322 G_CALLBACK (chat_text_view_copy_address_cb),
323 str);
324 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
325 gtk_widget_show (item);
326
327 item = gtk_menu_item_new_with_mnemonic (_("_Open Link"));
328 g_signal_connect (item, "activate",
329 G_CALLBACK (chat_text_view_open_address_cb),
330 str);
331 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
332 gtk_widget_show (item);
333 }
334
335 static gboolean
336 chat_text_view_is_scrolled_down (EmpathyChatTextView *view)
337 {
338 GtkAdjustment *vadj;
339 gdouble value;
340 gdouble upper;
341 gdouble page_size;
342
343 vadj = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (view));
344 value = gtk_adjustment_get_value (vadj);
345 upper = gtk_adjustment_get_upper (vadj);
346 page_size = gtk_adjustment_get_page_size (vadj);
347
348 if (value < upper - page_size) {
349 return FALSE;
350 }
351
352 return TRUE;
353 }
354
355 static void
356 chat_text_view_maybe_trim_buffer (EmpathyChatTextView *view)
357 {
358 EmpathyChatTextViewPriv *priv;
359 GtkTextIter top, bottom;
360 gint line;
361 gint remove_;
362 GtkTextTagTable *table;
363 GtkTextTag *tag;
364
365 priv = GET_PRIV (view);
366
367 gtk_text_buffer_get_end_iter (priv->buffer, &bottom);
368 line = gtk_text_iter_get_line (&bottom);
369 if (line < MAX_LINES) {
370 return;
371 }
372
373 remove_ = line - MAX_LINES;
374 gtk_text_buffer_get_start_iter (priv->buffer, &top);
375
376 bottom = top;
377 if (!gtk_text_iter_forward_lines (&bottom, remove_)) {
378 return;
379 }
380
381 /* Track backwords to a place where we can safely cut, we don't do it in
382 * the middle of a tag.
383 */
384 table = gtk_text_buffer_get_tag_table (priv->buffer);
385 tag = gtk_text_tag_table_lookup (table, EMPATHY_CHAT_TEXT_VIEW_TAG_CUT);
386 if (!tag) {
387 return;
388 }
389
390 if (!gtk_text_iter_forward_to_tag_toggle (&bottom, tag)) {
391 return;
392 }
393
394 if (!gtk_text_iter_equal (&top, &bottom)) {
395 gtk_text_buffer_delete (priv->buffer, &top, &bottom);
396 }
397 }
398
399 static void
400 chat_text_view_append_timestamp (EmpathyChatTextView *view,
401 gint64 timestamp,
402 gboolean show_date)
403 {
404 EmpathyChatTextViewPriv *priv = GET_PRIV (view);
405 GtkTextIter iter;
406 gchar *tmp;
407 GString *str;
408
409 str = g_string_new ("- ");
410
411 /* Append date if needed */
412 if (show_date) {
413 /* Translators: timestamp displayed between conversations in
414 * chat windows (strftime format string) */
415 tmp = empathy_time_to_string_utc (timestamp, _("%A %B %d %Y"));
416 g_string_append (str, tmp);
417 g_string_append (str, ", ");
418 g_free (tmp);
419 }
420
421 /* Append time */
422 tmp = empathy_time_to_string_local (timestamp, EMPATHY_TIME_FORMAT_DISPLAY_SHORT);
423 g_string_append (str, tmp);
424 g_free (tmp);
425
426 g_string_append (str, " -\n");
427
428 /* Insert the string in the buffer */
429 empathy_chat_text_view_append_spacing (view);
430 gtk_text_buffer_get_end_iter (priv->buffer, &iter);
431 gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
432 &iter,
433 str->str, -1,
434 EMPATHY_CHAT_TEXT_VIEW_TAG_TIME,
435 NULL);
436
437 g_string_free (str, TRUE);
438 }
439
440 static void
441 chat_text_maybe_append_date_and_time (EmpathyChatTextView *view,
442 gint64 timestamp)
443 {
444 EmpathyChatTextViewPriv *priv = GET_PRIV (view);
445 GDateTime *date, *last_date;
446 gboolean append_date = FALSE;
447 gboolean append_time = FALSE;
448 GTimeSpan delta;
449
450 /* Get the date from last message */
451 last_date = g_date_time_new_from_unix_utc (priv->last_timestamp);
452
453 /* Get the date of the message we are appending */
454 date = g_date_time_new_from_unix_utc (timestamp);
455
456 delta = g_date_time_difference (last_date, date);
457 /* If last message was from another day we append date and time */
458 if (delta >= G_TIME_SPAN_DAY) {
459 append_date = TRUE;
460 append_time = TRUE;
461 }
462
463 g_date_time_unref (last_date);
464 g_date_time_unref (date);
465
466 /* If last message is 'old' append the time */
467 if (delta >= TIMESTAMP_INTERVAL) {
468 append_time = TRUE;
469 }
470
471 if (append_date || (!priv->only_if_date && append_time)) {
472 chat_text_view_append_timestamp (view, timestamp, append_date);
473 }
474 }
475
476 static void
477 chat_text_view_size_allocate (GtkWidget *widget,
478 GtkAllocation *alloc)
479 {
480 gboolean down;
481
482 down = chat_text_view_is_scrolled_down (EMPATHY_CHAT_TEXT_VIEW (widget));
483
484 GTK_WIDGET_CLASS (empathy_chat_text_view_parent_class)->size_allocate (widget, alloc);
485
486 if (down) {
487 GtkAdjustment *adj;
488
489 adj = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (widget));
490 gtk_adjustment_set_value (adj,
491 gtk_adjustment_get_upper (adj) -
492 gtk_adjustment_get_page_size (adj));
493 }
494 }
495
496 static gboolean
497 chat_text_view_drag_motion (GtkWidget *widget,
498 GdkDragContext *context,
499 gint x,
500 gint y,
501 guint time_)
502 {
503 /* Don't handle drag motion, since we don't want the view to scroll as
504 * the result of dragging something across it. */
505
506 return FALSE;
507 }
508
509 static void
510 chat_text_view_get_property (GObject *object,
511 guint param_id,
512 GValue *value,
513 GParamSpec *pspec)
514 {
515 EmpathyChatTextViewPriv *priv = GET_PRIV (object);
516
517 switch (param_id) {
518 case PROP_LAST_CONTACT:
519 g_value_set_object (value, priv->last_contact);
520 break;
521 case PROP_ONLY_IF_DATE:
522 g_value_set_boolean (value, priv->only_if_date);
523 break;
524 default:
525 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
526 break;
527 };
528 }
529
530 static void
531 chat_text_view_set_property (GObject *object,
532 guint param_id,
533 const GValue *value,
534 GParamSpec *pspec)
535 {
536 EmpathyChatTextViewPriv *priv = GET_PRIV (object);
537
538 switch (param_id) {
539 case PROP_ONLY_IF_DATE:
540 priv->only_if_date = g_value_get_boolean (value);
541 break;
542 default:
543 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
544 break;
545 };
546 }
547
548 static void
549 chat_text_view_finalize (GObject *object)
550 {
551 EmpathyChatTextView *view;
552 EmpathyChatTextViewPriv *priv;
553
554 view = EMPATHY_CHAT_TEXT_VIEW (object);
555 priv = GET_PRIV (view);
556
557 DEBUG ("%p", object);
558
559 g_object_unref (priv->gsettings_chat);
560 g_object_unref (priv->gsettings_desktop);
561
562 if (priv->last_contact) {
563 g_object_unref (priv->last_contact);
564 }
565 if (priv->scroll_time) {
566 g_timer_destroy (priv->scroll_time);
567 }
568 if (priv->scroll_timeout) {
569 g_source_remove (priv->scroll_timeout);
570 }
571 g_object_unref (priv->smiley_manager);
572
573 G_OBJECT_CLASS (empathy_chat_text_view_parent_class)->finalize (object);
574 }
575
576 static void
577 text_view_copy_clipboard (GtkTextView *text_view)
578 {
579 chat_text_view_copy_clipboard (EMPATHY_CHAT_VIEW (text_view));
580 }
581
582 static void
583 empathy_chat_text_view_class_init (EmpathyChatTextViewClass *klass)
584 {
585 GObjectClass *object_class = G_OBJECT_CLASS (klass);
586 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
587 GtkTextViewClass *text_view_class = GTK_TEXT_VIEW_CLASS (klass);
588
589 object_class->finalize = chat_text_view_finalize;
590 object_class->get_property = chat_text_view_get_property;
591 object_class->set_property = chat_text_view_set_property;
592
593 widget_class->size_allocate = chat_text_view_size_allocate;
594 widget_class->drag_motion = chat_text_view_drag_motion;
595
596 text_view_class->copy_clipboard = text_view_copy_clipboard;
597
598 g_object_class_install_property (object_class,
599 PROP_LAST_CONTACT,
600 g_param_spec_object ("last-contact",
601 "Last contact",
602 "The sender of the last received message",
603 EMPATHY_TYPE_CONTACT,
604 G_PARAM_READABLE));
605 g_object_class_install_property (object_class,
606 PROP_ONLY_IF_DATE,
607 g_param_spec_boolean ("only-if-date",
608 "Only if date",
609 "Display timestamp only if the date changes",
610 FALSE,
611 G_PARAM_READWRITE));
612
613
614 g_type_class_add_private (object_class, sizeof (EmpathyChatTextViewPriv));
615 }
616
617 static void
618 empathy_chat_text_view_init (EmpathyChatTextView *view)
619 {
620 EmpathyChatTextViewPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (view,
621 EMPATHY_TYPE_CHAT_TEXT_VIEW, EmpathyChatTextViewPriv);
622
623 view->priv = priv;
624 priv->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
625 priv->last_timestamp = 0;
626 priv->allow_scrolling = TRUE;
627 priv->smiley_manager = empathy_smiley_manager_dup_singleton ();
628
629 g_object_set (view,
630 "wrap-mode", GTK_WRAP_WORD_CHAR,
631 "editable", FALSE,
632 "cursor-visible", FALSE,
633 NULL);
634
635 priv->gsettings_chat = g_settings_new (EMPATHY_PREFS_CHAT_SCHEMA);
636
637 priv->gsettings_desktop = g_settings_new (
638 EMPATHY_PREFS_DESKTOP_INTERFACE_SCHEMA);
639 g_signal_connect (priv->gsettings_desktop,
640 "changed::" EMPATHY_PREFS_DESKTOP_INTERFACE_DOCUMENT_FONT_NAME,
641 G_CALLBACK (chat_text_view_notify_system_font_cb),
642 view);
643 chat_text_view_system_font_update (view);
644 chat_text_view_create_tags (view);
645
646 g_signal_connect (view,
647 "populate-popup",
648 G_CALLBACK (chat_text_view_populate_popup),
649 NULL);
650 }
651
652 static void
653 chat_text_view_scroll_stop (EmpathyChatTextView *view)
654 {
655 EmpathyChatTextViewPriv *priv = GET_PRIV (view);
656
657 g_timer_destroy (priv->scroll_time);
658 priv->scroll_time = NULL;
659
660 g_source_remove (priv->scroll_timeout);
661 priv->scroll_timeout = 0;
662 }
663
664 /* Code stolen from pidgin/gtkimhtml.c */
665 static gboolean
666 chat_text_view_scroll_cb (EmpathyChatTextView *view)
667 {
668 EmpathyChatTextViewPriv *priv;
669 GtkAdjustment *adj;
670 gdouble max_val;
671
672 priv = GET_PRIV (view);
673
674 adj = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (view));
675 max_val = gtk_adjustment_get_upper (adj) - gtk_adjustment_get_page_size (adj);
676
677 g_return_val_if_fail (priv->scroll_time != NULL, FALSE);
678
679 if (g_timer_elapsed (priv->scroll_time, NULL) > MAX_SCROLL_TIME) {
680 /* time's up. jump to the end and kill the timer */
681 gtk_adjustment_set_value (adj, max_val);
682 chat_text_view_scroll_stop (view);
683 return FALSE;
684 }
685
686 /* scroll by 1/3rd the remaining distance */
687 gtk_adjustment_set_value (adj, gtk_adjustment_get_value (adj) + ((max_val - gtk_adjustment_get_value (adj)) / 3));
688 return TRUE;
689 }
690
691 static void
692 chat_text_view_scroll_down (EmpathyChatView *view)
693 {
694 EmpathyChatTextViewPriv *priv = GET_PRIV (view);
695
696 g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
697
698 if (!priv->allow_scrolling) {
699 return;
700 }
701
702 DEBUG ("Scrolling down");
703
704 if (priv->scroll_time) {
705 g_timer_reset (priv->scroll_time);
706 } else {
707 priv->scroll_time = g_timer_new ();
708 }
709 if (!priv->scroll_timeout) {
710 priv->scroll_timeout = g_timeout_add (SCROLL_DELAY,
711 (GSourceFunc) chat_text_view_scroll_cb,
712 view);
713 }
714 }
715
716 static void
717 chat_text_view_append_message (EmpathyChatView *view,
718 EmpathyMessage *msg)
719 {
720 EmpathyChatTextView *text_view = EMPATHY_CHAT_TEXT_VIEW (view);
721 EmpathyChatTextViewPriv *priv = GET_PRIV (text_view);
722 gboolean bottom;
723 gint64 timestamp;
724
725 g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
726 g_return_if_fail (EMPATHY_IS_MESSAGE (msg));
727
728 if (!empathy_message_get_body (msg)) {
729 return;
730 }
731
732 bottom = chat_text_view_is_scrolled_down (text_view);
733
734 chat_text_view_maybe_trim_buffer (EMPATHY_CHAT_TEXT_VIEW (view));
735
736 timestamp = empathy_message_get_timestamp (msg);
737 chat_text_maybe_append_date_and_time (text_view, timestamp);
738 if (EMPATHY_CHAT_TEXT_VIEW_GET_CLASS (view)->append_message) {
739 EMPATHY_CHAT_TEXT_VIEW_GET_CLASS (view)->append_message (text_view,
740 msg);
741 }
742
743 if (bottom) {
744 chat_text_view_scroll_down (view);
745 }
746
747 if (priv->last_contact) {
748 g_object_unref (priv->last_contact);
749 }
750 priv->last_contact = g_object_ref (empathy_message_get_sender (msg));
751 g_object_notify (G_OBJECT (view), "last-contact");
752
753 priv->last_timestamp = timestamp;
754 }
755
756 static void
757 chat_text_view_append_event (EmpathyChatView *view,
758 const gchar *str)
759 {
760 EmpathyChatTextView *text_view = EMPATHY_CHAT_TEXT_VIEW (view);
761 EmpathyChatTextViewPriv *priv = GET_PRIV (text_view);
762 gboolean bottom;
763 GtkTextIter iter;
764 gchar *msg;
765
766
767 g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
768 g_return_if_fail (!EMP_STR_EMPTY (str));
769
770 bottom = chat_text_view_is_scrolled_down (text_view);
771 chat_text_view_maybe_trim_buffer (EMPATHY_CHAT_TEXT_VIEW (view));
772 chat_text_maybe_append_date_and_time (text_view,
773 empathy_time_get_current ());
774
775 gtk_text_buffer_get_end_iter (priv->buffer, &iter);
776 msg = g_strdup_printf (" - %s\n", str);
777 gtk_text_buffer_insert_with_tags_by_name (priv->buffer, &iter,
778 msg, -1,
779 EMPATHY_CHAT_TEXT_VIEW_TAG_EVENT,
780 NULL);
781 g_free (msg);
782
783 if (bottom) {
784 chat_text_view_scroll_down (view);
785 }
786
787 if (priv->last_contact) {
788 g_object_unref (priv->last_contact);
789 priv->last_contact = NULL;
790 g_object_notify (G_OBJECT (view), "last-contact");
791 }
792 }
793
794 static void
795 chat_text_view_scroll (EmpathyChatView *view,
796 gboolean allow_scrolling)
797 {
798 EmpathyChatTextViewPriv *priv = GET_PRIV (view);
799
800 g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
801
802 DEBUG ("Scrolling %s", allow_scrolling ? "enabled" : "disabled");
803
804 priv->allow_scrolling = allow_scrolling;
805 if (allow_scrolling) {
806 empathy_chat_view_scroll_down (view);
807 }
808 }
809
810 static gboolean
811 chat_text_view_get_has_selection (EmpathyChatView *view)
812 {
813 GtkTextBuffer *buffer;
814
815 g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), FALSE);
816
817 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
818
819 return gtk_text_buffer_get_has_selection (buffer);
820 }
821
822 static void
823 chat_text_view_clear (EmpathyChatView *view)
824 {
825 GtkTextBuffer *buffer;
826 EmpathyChatTextViewPriv *priv;
827
828 g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
829
830 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
831 gtk_text_buffer_set_text (buffer, "", -1);
832
833 /* We set these back to the initial values so we get
834 * timestamps when clearing the window to know when
835 * conversations start.
836 */
837 priv = GET_PRIV (view);
838
839 priv->last_timestamp = 0;
840 if (priv->last_contact) {
841 g_object_unref (priv->last_contact);
842 priv->last_contact = NULL;
843 }
844 }
845
846 static gboolean
847 chat_text_view_find_previous (EmpathyChatView *view,
848 const gchar *search_criteria,
849 gboolean new_search,
850 gboolean match_case)
851 {
852 EmpathyChatTextViewPriv *priv;
853 GtkTextBuffer *buffer;
854 GtkTextIter iter_at_mark;
855 GtkTextIter iter_match_start;
856 GtkTextIter iter_match_end;
857 gboolean found;
858 gboolean from_start = FALSE;
859
860 g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), FALSE);
861 g_return_val_if_fail (search_criteria != NULL, FALSE);
862
863 priv = GET_PRIV (view);
864
865 buffer = priv->buffer;
866
867 if (EMP_STR_EMPTY (search_criteria)) {
868 if (priv->find_mark_previous) {
869 gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
870
871 gtk_text_buffer_move_mark (buffer,
872 priv->find_mark_previous,
873 &iter_at_mark);
874 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
875 priv->find_mark_previous,
876 0.0,
877 TRUE,
878 0.0,
879 0.0);
880 gtk_text_buffer_select_range (buffer,
881 &iter_at_mark,
882 &iter_at_mark);
883 }
884
885 return FALSE;
886 }
887
888 if (new_search) {
889 from_start = TRUE;
890 }
891
892 if (!new_search && priv->find_mark_previous) {
893 gtk_text_buffer_get_iter_at_mark (buffer,
894 &iter_at_mark,
895 priv->find_mark_previous);
896 } else {
897 gtk_text_buffer_get_end_iter (buffer, &iter_at_mark);
898 from_start = TRUE;
899 }
900
901 priv->find_last_direction = FALSE;
902
903 /* Use the standard GTK+ method for case sensitive searches. It can't do
904 * case insensitive searches (see bug #61852), so keep the custom method
905 * around for case insensitive searches. */
906 if (match_case) {
907 found = gtk_text_iter_backward_search (&iter_at_mark,
908 search_criteria,
909 0, /* no text search flags, we want exact matches */
910 &iter_match_start,
911 &iter_match_end,
912 NULL);
913 } else {
914 found = empathy_text_iter_backward_search (&iter_at_mark,
915 search_criteria,
916 &iter_match_start,
917 &iter_match_end,
918 NULL);
919 }
920
921 if (!found) {
922 gboolean result = FALSE;
923
924 if (from_start) {
925 return result;
926 }
927
928 /* Here we wrap around. */
929 if (!new_search && !priv->find_wrapped) {
930 priv->find_wrapped = TRUE;
931 result = chat_text_view_find_previous (view,
932 search_criteria,
933 FALSE,
934 match_case);
935 priv->find_wrapped = FALSE;
936 }
937
938 return result;
939 }
940
941 /* Set new mark and show on screen */
942 if (!priv->find_mark_previous) {
943 priv->find_mark_previous = gtk_text_buffer_create_mark (buffer, NULL,
944 &iter_match_start,
945 TRUE);
946 } else {
947 gtk_text_buffer_move_mark (buffer,
948 priv->find_mark_previous,
949 &iter_match_start);
950 }
951
952 if (!priv->find_mark_next) {
953 priv->find_mark_next = gtk_text_buffer_create_mark (buffer, NULL,
954 &iter_match_end,
955 TRUE);
956 } else {
957 gtk_text_buffer_move_mark (buffer,
958 priv->find_mark_next,
959 &iter_match_end);
960 }
961
962 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
963 priv->find_mark_previous,
964 0.0,
965 TRUE,
966 0.5,
967 0.5);
968
969 gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &iter_match_start);
970 gtk_text_buffer_move_mark_by_name (buffer, "insert", &iter_match_end);
971
972 return TRUE;
973 }
974
975 static gboolean
976 chat_text_view_find_next (EmpathyChatView *view,
977 const gchar *search_criteria,
978 gboolean new_search,
979 gboolean match_case)
980 {
981 EmpathyChatTextViewPriv *priv;
982 GtkTextBuffer *buffer;
983 GtkTextIter iter_at_mark;
984 GtkTextIter iter_match_start;
985 GtkTextIter iter_match_end;
986 gboolean found;
987 gboolean from_start = FALSE;
988
989 g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), FALSE);
990 g_return_val_if_fail (search_criteria != NULL, FALSE);
991
992 priv = GET_PRIV (view);
993
994 buffer = priv->buffer;
995
996 if (EMP_STR_EMPTY (search_criteria)) {
997 if (priv->find_mark_next) {
998 gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
999
1000 gtk_text_buffer_move_mark (buffer,
1001 priv->find_mark_next,
1002 &iter_at_mark);
1003 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
1004 priv->find_mark_next,
1005 0.0,
1006 TRUE,
1007 0.0,
1008 0.0);
1009 gtk_text_buffer_select_range (buffer,
1010 &iter_at_mark,
1011 &iter_at_mark);
1012 }
1013
1014 return FALSE;
1015 }
1016
1017 if (new_search) {
1018 from_start = TRUE;
1019 }
1020
1021 if (!new_search && priv->find_mark_next) {
1022 gtk_text_buffer_get_iter_at_mark (buffer,
1023 &iter_at_mark,
1024 priv->find_mark_next);
1025 } else {
1026 gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
1027 from_start = TRUE;
1028 }
1029
1030 priv->find_last_direction = TRUE;
1031
1032 /* Use the standard GTK+ method for case sensitive searches. It can't do
1033 * case insensitive searches (see bug #61852), so keep the custom method
1034 * around for case insensitive searches. */
1035 if (match_case) {
1036 found = gtk_text_iter_forward_search (&iter_at_mark,
1037 search_criteria,
1038 0,
1039 &iter_match_start,
1040 &iter_match_end,
1041 NULL);
1042 } else {
1043 found = empathy_text_iter_forward_search (&iter_at_mark,
1044 search_criteria,
1045 &iter_match_start,
1046 &iter_match_end,
1047 NULL);
1048 }
1049
1050 if (!found) {
1051 gboolean result = FALSE;
1052
1053 if (from_start) {
1054 return result;
1055 }
1056
1057 /* Here we wrap around. */
1058 if (!new_search && !priv->find_wrapped) {
1059 priv->find_wrapped = TRUE;
1060 result = chat_text_view_find_next (view,
1061 search_criteria,
1062 FALSE,
1063 match_case);
1064 priv->find_wrapped = FALSE;
1065 }
1066
1067 return result;
1068 }
1069
1070 /* Set new mark and show on screen */
1071 if (!priv->find_mark_next) {
1072 priv->find_mark_next = gtk_text_buffer_create_mark (buffer, NULL,
1073 &iter_match_end,
1074 TRUE);
1075 } else {
1076 gtk_text_buffer_move_mark (buffer,
1077 priv->find_mark_next,
1078 &iter_match_end);
1079 }
1080
1081 if (!priv->find_mark_previous) {
1082 priv->find_mark_previous = gtk_text_buffer_create_mark (buffer, NULL,
1083 &iter_match_start,
1084 TRUE);
1085 } else {
1086 gtk_text_buffer_move_mark (buffer,
1087 priv->find_mark_previous,
1088 &iter_match_start);
1089 }
1090
1091 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
1092 priv->find_mark_next,
1093 0.0,
1094 TRUE,
1095 0.5,
1096 0.5);
1097
1098 gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &iter_match_start);
1099 gtk_text_buffer_move_mark_by_name (buffer, "insert", &iter_match_end);
1100
1101 return TRUE;
1102 }
1103
1104 static void
1105 chat_text_view_find_abilities (EmpathyChatView *view,
1106 const gchar *search_criteria,
1107 gboolean match_case,
1108 gboolean *can_do_previous,
1109 gboolean *can_do_next)
1110 {
1111 EmpathyChatTextViewPriv *priv;
1112 GtkTextBuffer *buffer;
1113 GtkTextIter iter_at_mark;
1114 GtkTextIter iter_match_start;
1115 GtkTextIter iter_match_end;
1116
1117 g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
1118 g_return_if_fail (search_criteria != NULL);
1119 g_return_if_fail (can_do_previous != NULL && can_do_next != NULL);
1120
1121 priv = GET_PRIV (view);
1122
1123 buffer = priv->buffer;
1124
1125 if (can_do_previous) {
1126 if (priv->find_mark_previous) {
1127 gtk_text_buffer_get_iter_at_mark (buffer,
1128 &iter_at_mark,
1129 priv->find_mark_previous);
1130 } else {
1131 gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
1132 }
1133
1134 if (match_case) {
1135 *can_do_previous = gtk_text_iter_backward_search (&iter_at_mark,
1136 search_criteria,
1137 0,
1138 &iter_match_start,
1139 &iter_match_end,
1140 NULL);
1141 } else {
1142 *can_do_previous = empathy_text_iter_backward_search (&iter_at_mark,
1143 search_criteria,
1144 &iter_match_start,
1145 &iter_match_end,
1146 NULL);
1147 }
1148 }
1149
1150 if (can_do_next) {
1151 if (priv->find_mark_next) {
1152 gtk_text_buffer_get_iter_at_mark (buffer,
1153 &iter_at_mark,
1154 priv->find_mark_next);
1155 } else {
1156 gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
1157 }
1158
1159 if (match_case) {
1160 *can_do_next = gtk_text_iter_forward_search (&iter_at_mark,
1161 search_criteria,
1162 0,
1163 &iter_match_start,
1164 &iter_match_end,
1165 NULL);
1166 } else {
1167 *can_do_next = empathy_text_iter_forward_search (&iter_at_mark,
1168 search_criteria,
1169 &iter_match_start,
1170 &iter_match_end,
1171 NULL);
1172 }
1173 }
1174 }
1175
1176 static void
1177 chat_text_view_highlight (EmpathyChatView *view,
1178 const gchar *text,
1179 gboolean match_case)
1180 {
1181 GtkTextBuffer *buffer;
1182 GtkTextIter iter;
1183 GtkTextIter iter_start;
1184 GtkTextIter iter_end;
1185 GtkTextIter iter_match_start;
1186 GtkTextIter iter_match_end;
1187 gboolean found;
1188
1189 g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
1190
1191 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
1192
1193 gtk_text_buffer_get_start_iter (buffer, &iter);
1194
1195 gtk_text_buffer_get_bounds (buffer, &iter_start, &iter_end);
1196 gtk_text_buffer_remove_tag_by_name (buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_HIGHLIGHT,
1197 &iter_start,
1198 &iter_end);
1199
1200 if (EMP_STR_EMPTY (text)) {
1201 return;
1202 }
1203
1204 while (1) {
1205 if (match_case) {
1206 found = gtk_text_iter_forward_search (&iter,
1207 text,
1208 0,
1209 &iter_match_start,
1210 &iter_match_end,
1211 NULL);
1212 } else {
1213 found = empathy_text_iter_forward_search (&iter,
1214 text,
1215 &iter_match_start,
1216 &iter_match_end,
1217 NULL);
1218 }
1219 if (!found) {
1220 break;
1221 }
1222
1223 gtk_text_buffer_apply_tag_by_name (buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_HIGHLIGHT,
1224 &iter_match_start,
1225 &iter_match_end);
1226
1227 iter = iter_match_end;
1228 }
1229 }
1230
1231 static void
1232 chat_text_view_copy_clipboard (EmpathyChatView *view)
1233 {
1234 GtkTextBuffer *buffer;
1235 GtkTextIter start, iter, end;
1236 GtkClipboard *clipboard;
1237 GdkPixbuf *pixbuf;
1238 gunichar c;
1239 GtkTextChildAnchor *anchor = NULL;
1240 GString *str;
1241 GList *list;
1242 gboolean ignore_newlines = FALSE;
1243
1244 g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
1245
1246 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
1247 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1248
1249 if (!gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
1250 return;
1251
1252 str = g_string_new ("");
1253
1254 for (iter = start; !gtk_text_iter_equal (&iter, &end); gtk_text_iter_forward_char (&iter)) {
1255 c = gtk_text_iter_get_char (&iter);
1256 /* 0xFFFC is the 'object replacement' unicode character,
1257 * it indicates the presence of a pixbuf or a widget. */
1258 if (c == 0xFFFC) {
1259 ignore_newlines = FALSE;
1260 if ((pixbuf = gtk_text_iter_get_pixbuf (&iter))) {
1261 gchar *text;
1262 text = g_object_get_data (G_OBJECT(pixbuf),
1263 "smiley_str");
1264 if (text)
1265 str = g_string_append (str, text);
1266 } else if ((anchor = gtk_text_iter_get_child_anchor (&iter))) {
1267 gchar *text;
1268 list = gtk_text_child_anchor_get_widgets (anchor);
1269 if (list) {
1270 text = g_object_get_data (G_OBJECT(list->data),
1271 "str_obj");
1272 if (text)
1273 str = g_string_append (str, text);
1274 }
1275 g_list_free (list);
1276 }
1277 } else if (c == '\n') {
1278 if (!ignore_newlines) {
1279 ignore_newlines = TRUE;
1280 str = g_string_append_unichar (str, c);
1281 }
1282 } else {
1283 ignore_newlines = FALSE;
1284 str = g_string_append_unichar (str, c);
1285 }
1286 }
1287
1288 gtk_clipboard_set_text (clipboard, str->str, str->len);
1289 g_string_free (str, TRUE);
1290 }
1291
1292 static void
1293 chat_text_view_iface_init (EmpathyChatViewIface *iface)
1294 {
1295 iface->append_message = chat_text_view_append_message;
1296 iface->append_event = chat_text_view_append_event;
1297 iface->scroll = chat_text_view_scroll;
1298 iface->scroll_down = chat_text_view_scroll_down;
1299 iface->get_has_selection = chat_text_view_get_has_selection;
1300 iface->clear = chat_text_view_clear;
1301 iface->find_previous = chat_text_view_find_previous;
1302 iface->find_next = chat_text_view_find_next;
1303 iface->find_abilities = chat_text_view_find_abilities;
1304 iface->highlight = chat_text_view_highlight;
1305 iface->copy_clipboard = chat_text_view_copy_clipboard;
1306 }
1307
1308 EmpathyContact *
1309 empathy_chat_text_view_get_last_contact (EmpathyChatTextView *view)
1310 {
1311 EmpathyChatTextViewPriv *priv = GET_PRIV (view);
1312
1313 g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), NULL);
1314
1315 return priv->last_contact;
1316 }
1317
1318 gint64
1319 empathy_chat_text_view_get_last_timestamp (EmpathyChatTextView *view)
1320 {
1321 EmpathyChatTextViewPriv *priv = GET_PRIV (view);
1322
1323 g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), 0);
1324
1325 return priv->last_timestamp;
1326 }
1327
1328 void
1329 empathy_chat_text_view_set_only_if_date (EmpathyChatTextView *view,
1330 gboolean only_if_date)
1331 {
1332 EmpathyChatTextViewPriv *priv = GET_PRIV (view);
1333
1334 g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
1335
1336 if (only_if_date != priv->only_if_date) {
1337 priv->only_if_date = only_if_date;
1338 g_object_notify (G_OBJECT (view), "only-if-date");
1339 }
1340 }
1341
1342 static void
1343 chat_text_view_replace_link (const gchar *text,
1344 gssize len,
1345 gpointer match_data,
1346 gpointer user_data)
1347 {
1348 GtkTextBuffer *buffer = GTK_TEXT_BUFFER (user_data);
1349 GtkTextIter iter;
1350
1351 gtk_text_buffer_get_end_iter (buffer, &iter);
1352 gtk_text_buffer_insert_with_tags_by_name (buffer, &iter,
1353 text, len,
1354 EMPATHY_CHAT_TEXT_VIEW_TAG_LINK,
1355 NULL);
1356 }
1357
1358 static void
1359 chat_text_view_replace_smiley (const gchar *text,
1360 gssize len,
1361 gpointer match_data,
1362 gpointer user_data)
1363 {
1364 EmpathySmileyHit *hit = match_data;
1365 GtkTextBuffer *buffer = GTK_TEXT_BUFFER (user_data);
1366 GtkTextIter iter;
1367
1368 gtk_text_buffer_get_end_iter (buffer, &iter);
1369 gtk_text_buffer_insert_pixbuf (buffer, &iter, hit->pixbuf);
1370 }
1371
1372 static void
1373 chat_text_view_replace_verbatim (const gchar *text,
1374 gssize len,
1375 gpointer match_data,
1376 gpointer user_data)
1377 {
1378 GtkTextBuffer *buffer = GTK_TEXT_BUFFER (user_data);
1379 GtkTextIter iter;
1380
1381 gtk_text_buffer_get_end_iter (buffer, &iter);
1382 gtk_text_buffer_insert (buffer, &iter, text, len);
1383 }
1384
1385 static EmpathyStringParser string_parsers[] = {
1386 {empathy_string_match_link, chat_text_view_replace_link},
1387 {empathy_string_match_all, chat_text_view_replace_verbatim},
1388 {NULL, NULL}
1389 };
1390
1391 static EmpathyStringParser string_parsers_with_smiley[] = {
1392 {empathy_string_match_link, chat_text_view_replace_link},
1393 {empathy_string_match_smiley, chat_text_view_replace_smiley},
1394 {empathy_string_match_all, chat_text_view_replace_verbatim},
1395 {NULL, NULL}
1396 };
1397
1398 void
1399 empathy_chat_text_view_append_body (EmpathyChatTextView *view,
1400 const gchar *body,
1401 const gchar *tag)
1402 {
1403 EmpathyChatTextViewPriv *priv = GET_PRIV (view);
1404 EmpathyStringParser *parsers;
1405 gboolean use_smileys;
1406 GtkTextIter start_iter;
1407 GtkTextIter iter;
1408 GtkTextMark *mark;
1409
1410 /* Check if we have to parse smileys */
1411 use_smileys = g_settings_get_boolean (priv->gsettings_chat,
1412 EMPATHY_PREFS_CHAT_SHOW_SMILEYS);
1413
1414 if (use_smileys)
1415 parsers = string_parsers_with_smiley;
1416 else
1417 parsers = string_parsers;
1418
1419 /* Create a mark at the place we'll start inserting */
1420 gtk_text_buffer_get_end_iter (priv->buffer, &start_iter);
1421 mark = gtk_text_buffer_create_mark (priv->buffer, NULL, &start_iter, TRUE);
1422
1423 /* Parse text for links/smileys and insert in the buffer */
1424 empathy_string_parser_substr (body, -1, parsers, priv->buffer);
1425
1426 /* Insert a newline after the text inserted */
1427 gtk_text_buffer_get_end_iter (priv->buffer, &iter);
1428 gtk_text_buffer_insert (priv->buffer, &iter, "\n", 1);
1429
1430 /* Apply the style to the inserted text. */
1431 gtk_text_buffer_get_iter_at_mark (priv->buffer, &start_iter, mark);
1432 gtk_text_buffer_get_end_iter (priv->buffer, &iter);
1433 gtk_text_buffer_apply_tag_by_name (priv->buffer, tag,
1434 &start_iter,
1435 &iter);
1436
1437 gtk_text_buffer_delete_mark (priv->buffer, mark);
1438 }
1439
1440 void
1441 empathy_chat_text_view_append_spacing (EmpathyChatTextView *view)
1442 {
1443 EmpathyChatTextViewPriv *priv = GET_PRIV (view);
1444 GtkTextIter iter;
1445
1446 gtk_text_buffer_get_end_iter (priv->buffer, &iter);
1447 gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
1448 &iter,
1449 "\n",
1450 -1,
1451 EMPATHY_CHAT_TEXT_VIEW_TAG_CUT,
1452 EMPATHY_CHAT_TEXT_VIEW_TAG_SPACING,
1453 NULL);
1454 }
1455
1456 GtkTextTag *
1457 empathy_chat_text_view_tag_set (EmpathyChatTextView *view,
1458 const gchar *tag_name,
1459 const gchar *first_property_name,
1460 ...)
1461 {
1462 EmpathyChatTextViewPriv *priv = GET_PRIV (view);
1463 GtkTextTag *tag;
1464 GtkTextTagTable *table;
1465 va_list list;
1466
1467 g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), NULL);
1468 g_return_val_if_fail (tag_name != NULL, NULL);
1469
1470 table = gtk_text_buffer_get_tag_table (priv->buffer);
1471 tag = gtk_text_tag_table_lookup (table, tag_name);
1472
1473 if (tag && first_property_name) {
1474 va_start (list, first_property_name);
1475 g_object_set_valist (G_OBJECT (tag), first_property_name, list);
1476 va_end (list);
1477 }
1478
1479 return tag;
1480 }
1481
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