GtkTextTag *
empathy_chat_text_view_tag_set (EmpathyChatTextView *view,
				const gchar         *tag_name,
				const gchar         *first_property_name,
				...)
{
	EmpathyChatTextViewPriv *priv = GET_PRIV (view);
	GtkTextTag              *tag;
	GtkTextTagTable         *table;
	va_list                  list;

	g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), NULL);
	g_return_val_if_fail (tag_name != NULL, NULL);

	table = gtk_text_buffer_get_tag_table (priv->buffer);
	tag = gtk_text_tag_table_lookup (table, tag_name);

	if (tag && first_property_name) {
		va_start (list, first_property_name);
		g_object_set_valist (G_OBJECT (tag), first_property_name, list);
		va_end (list);
	}

	return tag;
}
Esempio n. 2
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static void
chat_text_view_copy_clipboard (EmpathyChatView *view)
{
	GtkTextBuffer *buffer;
	GtkTextIter start, iter, end;
	GtkClipboard  *clipboard;
	GdkPixbuf *pixbuf;
	gunichar c;
	GtkTextChildAnchor *anchor = NULL;
	GString *str;
	GList *list;
	gboolean ignore_newlines = FALSE;

	g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));

	buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
	clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);

	if (!gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
		return;

	str = g_string_new ("");

	for (iter = start; !gtk_text_iter_equal (&iter, &end); gtk_text_iter_forward_char (&iter)) {
		c = gtk_text_iter_get_char (&iter);
		/* 0xFFFC is the 'object replacement' unicode character,
		 * it indicates the presence of a pixbuf or a widget. */
		if (c == 0xFFFC) {
			ignore_newlines = FALSE;
			if ((pixbuf = gtk_text_iter_get_pixbuf (&iter))) {
				gchar *text;
				text = g_object_get_data (G_OBJECT(pixbuf),
							  "smiley_str");
				if (text)
					str = g_string_append (str, text);
			} else if ((anchor = gtk_text_iter_get_child_anchor (&iter))) {
				gchar *text;
				list = gtk_text_child_anchor_get_widgets (anchor);
				if (list) {
					text = g_object_get_data (G_OBJECT(list->data),
								  "str_obj");
					if (text)
						str = g_string_append (str, text);
				}
				g_list_free (list);
			}
		} else if (c == '\n') {
			if (!ignore_newlines) {
				ignore_newlines = TRUE;
				str = g_string_append_unichar (str, c);
			}
		} else {
			ignore_newlines = FALSE;
			str = g_string_append_unichar (str, c);
		}
	}

	gtk_clipboard_set_text (clipboard, str->str, str->len);
	g_string_free (str, TRUE);
}
EmpathyContact *
empathy_chat_text_view_get_last_contact (EmpathyChatTextView *view)
{
	EmpathyChatTextViewPriv *priv = GET_PRIV (view);
	
	g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), NULL);
	
	return priv->last_contact;
}
Esempio n. 4
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gint64
empathy_chat_text_view_get_last_timestamp (EmpathyChatTextView *view)
{
	EmpathyChatTextViewPriv *priv = GET_PRIV (view);

	g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), 0);

	return priv->last_timestamp;
}
static gboolean
chat_text_view_get_has_selection (EmpathyChatView *view)
{
	GtkTextBuffer *buffer;
	
	g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), FALSE);
	
	buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
	
	return gtk_text_buffer_get_has_selection (buffer);
}
Esempio n. 6
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static void
chat_text_view_highlight (EmpathyChatView *view,
			    const gchar     *text,
			    gboolean         match_case)
{
	GtkTextBuffer *buffer;
	GtkTextIter    iter;
	GtkTextIter    iter_start;
	GtkTextIter    iter_end;
	GtkTextIter    iter_match_start;
	GtkTextIter    iter_match_end;
	gboolean       found;

	g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));

	buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));

	gtk_text_buffer_get_start_iter (buffer, &iter);

	gtk_text_buffer_get_bounds (buffer, &iter_start, &iter_end);
	gtk_text_buffer_remove_tag_by_name (buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_HIGHLIGHT,
					    &iter_start,
					    &iter_end);

	if (EMP_STR_EMPTY (text)) {
		return;
	}

	while (1) {
		if (match_case) {
			found = gtk_text_iter_forward_search (&iter,
							      text,
							      0,
							      &iter_match_start,
							      &iter_match_end,
							      NULL);
		} else {
			found = empathy_text_iter_forward_search (&iter,
								  text,
								  &iter_match_start,
								  &iter_match_end,
								  NULL);
		}
		if (!found) {
			break;
		}

		gtk_text_buffer_apply_tag_by_name (buffer, EMPATHY_CHAT_TEXT_VIEW_TAG_HIGHLIGHT,
						   &iter_match_start,
						   &iter_match_end);

		iter = iter_match_end;
	}
}
static void
chat_text_view_find_abilities (EmpathyChatView *view,
				 const gchar    *search_criteria,
				 gboolean       *can_do_previous,
				 gboolean       *can_do_next)
{
	EmpathyChatTextViewPriv *priv;
	GtkTextBuffer           *buffer;
	GtkTextIter              iter_at_mark;
	GtkTextIter              iter_match_start;
	GtkTextIter              iter_match_end;
	
	g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
	g_return_if_fail (search_criteria != NULL);
	g_return_if_fail (can_do_previous != NULL && can_do_next != NULL);
	
	priv = GET_PRIV (view);
	
	buffer = priv->buffer;
	
	if (can_do_previous) {
		if (priv->find_mark_previous) {
			gtk_text_buffer_get_iter_at_mark (buffer,
							  &iter_at_mark,
							  priv->find_mark_previous);
		} else {
			gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
		}
		
		*can_do_previous = empathy_text_iter_backward_search (&iter_at_mark,
								      search_criteria,
								      &iter_match_start,
								      &iter_match_end,
								      NULL);
	}
	
	if (can_do_next) {
		if (priv->find_mark_next) {
			gtk_text_buffer_get_iter_at_mark (buffer,
							  &iter_at_mark,
							  priv->find_mark_next);
		} else {
			gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
		}
		
		*can_do_next = empathy_text_iter_forward_search (&iter_at_mark,
								 search_criteria,
								 &iter_match_start,
								 &iter_match_end,
								 NULL);
	}
}
void
empathy_chat_text_view_set_only_if_date (EmpathyChatTextView *view,
					 gboolean             only_if_date)
{
	EmpathyChatTextViewPriv *priv = GET_PRIV (view);
	
	g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));

	if (only_if_date != priv->only_if_date) {
		priv->only_if_date = only_if_date;
		g_object_notify (G_OBJECT (view), "only-if-date");
	}
}
static void
chat_text_view_copy_clipboard (EmpathyChatView *view)
{
	GtkTextBuffer *buffer;
	GtkClipboard  *clipboard;
	
	g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
	
	buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
	clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
	
	gtk_text_buffer_copy_clipboard (buffer, clipboard);
}
static void
chat_text_view_scroll (EmpathyChatView *view,
		       gboolean         allow_scrolling)
{
	EmpathyChatTextViewPriv *priv = GET_PRIV (view);
	
	g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
	
	DEBUG ("Scrolling %s", allow_scrolling ? "enabled" : "disabled");

	priv->allow_scrolling = allow_scrolling;
	if (allow_scrolling) {
		empathy_chat_view_scroll_down (view);
	}
}
static void
chat_text_view_clear (EmpathyChatView *view)
{
	GtkTextBuffer      *buffer;
	EmpathyChatTextViewPriv *priv;
	
	g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
	
	buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
	gtk_text_buffer_set_text (buffer, "", -1);
	
	/* We set these back to the initial values so we get
	  * timestamps when clearing the window to know when
	  * conversations start.
	  */
	priv = GET_PRIV (view);
	
	priv->last_timestamp = 0;
}
Esempio n. 12
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static void
chat_text_view_append_message (EmpathyChatView *view,
			       EmpathyMessage  *msg)
{
	EmpathyChatTextView     *text_view = EMPATHY_CHAT_TEXT_VIEW (view);
	EmpathyChatTextViewPriv *priv = GET_PRIV (text_view);
	gboolean                 bottom;
	gint64                   timestamp;

	g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
	g_return_if_fail (EMPATHY_IS_MESSAGE (msg));

	if (!empathy_message_get_body (msg)) {
		return;
	}

	bottom = chat_text_view_is_scrolled_down (text_view);

	chat_text_view_maybe_trim_buffer (EMPATHY_CHAT_TEXT_VIEW (view));

	timestamp = empathy_message_get_timestamp (msg);
	chat_text_maybe_append_date_and_time (text_view, timestamp);
	if (EMPATHY_CHAT_TEXT_VIEW_GET_CLASS (view)->append_message) {
		EMPATHY_CHAT_TEXT_VIEW_GET_CLASS (view)->append_message (text_view,
									 msg);
	}

	if (bottom) {
		chat_text_view_scroll_down (view);
	}

	if (priv->last_contact) {
		g_object_unref (priv->last_contact);
	}
	priv->last_contact = g_object_ref (empathy_message_get_sender (msg));
	g_object_notify (G_OBJECT (view), "last-contact");

	priv->last_timestamp = timestamp;
}
static void
chat_text_view_append_event (EmpathyChatView *view,
			     const gchar     *str)
{
	EmpathyChatTextView     *text_view = EMPATHY_CHAT_TEXT_VIEW (view);
	EmpathyChatTextViewPriv *priv = GET_PRIV (text_view);
	gboolean                 bottom;
	GtkTextIter              iter;
	gchar                   *msg;


	g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
	g_return_if_fail (!EMP_STR_EMPTY (str));

	bottom = chat_text_view_is_scrolled_down (text_view);
	chat_text_view_maybe_trim_buffer (EMPATHY_CHAT_TEXT_VIEW (view));
	chat_text_maybe_append_date_and_time (text_view,
					      empathy_time_get_current ());

	gtk_text_buffer_get_end_iter (priv->buffer, &iter);
	msg = g_strdup_printf (" - %s\n", str);
	gtk_text_buffer_insert_with_tags_by_name (priv->buffer, &iter,
						  msg, -1,
						  EMPATHY_CHAT_TEXT_VIEW_TAG_EVENT,
						  NULL);
	g_free (msg);

	if (bottom) {
		chat_text_view_scroll_down (view);
	}
	
	if (priv->last_contact) {
		g_object_unref (priv->last_contact);
		priv->last_contact = NULL;
		g_object_notify (G_OBJECT (view), "last-contact");
	}
}
static void
chat_text_view_scroll_down (EmpathyChatView *view)
{
	EmpathyChatTextViewPriv *priv = GET_PRIV (view);
	
	g_return_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view));
	
	if (!priv->allow_scrolling) {
		return;
	}

	DEBUG ("Scrolling down");

	if (priv->scroll_time) {
		g_timer_reset (priv->scroll_time);
	} else {
		priv->scroll_time = g_timer_new ();
	}
	if (!priv->scroll_timeout) {
		priv->scroll_timeout = g_timeout_add (SCROLL_DELAY,
						      (GSourceFunc) chat_text_view_scroll_cb,
						      view);
	}
}
static gboolean
chat_text_view_find_next (EmpathyChatView *view,
			    const gchar     *search_criteria,
			    gboolean         new_search)
{
	EmpathyChatTextViewPriv *priv;
	GtkTextBuffer      *buffer;
	GtkTextIter         iter_at_mark;
	GtkTextIter         iter_match_start;
	GtkTextIter         iter_match_end;
	gboolean            found;
	gboolean            from_start = FALSE;
	
	g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), FALSE);
	g_return_val_if_fail (search_criteria != NULL, FALSE);
	
	priv = GET_PRIV (view);
	
	buffer = priv->buffer;
	
	if (EMP_STR_EMPTY (search_criteria)) {
		if (priv->find_mark_next) {
			gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
			
			gtk_text_buffer_move_mark (buffer,
						   priv->find_mark_next,
						   &iter_at_mark);
			gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
						      priv->find_mark_next,
						      0.0,
						      TRUE,
						      0.0,
						      0.0);
			gtk_text_buffer_select_range (buffer,
						      &iter_at_mark,
						      &iter_at_mark);
		}
		
		return FALSE;
	}
	
	if (new_search) {
		from_start = TRUE;
	}
	
	if (priv->find_mark_next) {
		gtk_text_buffer_get_iter_at_mark (buffer,
						  &iter_at_mark,
						  priv->find_mark_next);
	} else {
		gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
		from_start = TRUE;
	}
	
	priv->find_last_direction = TRUE;
	
	found = empathy_text_iter_forward_search (&iter_at_mark,
						  search_criteria,
						  &iter_match_start,
						  &iter_match_end,
						  NULL);
	
	if (!found) {
		gboolean result = FALSE;
		
		if (from_start) {
			return result;
		}
		
		/* Here we wrap around. */
		if (!new_search && !priv->find_wrapped) {
			priv->find_wrapped = TRUE;
			result = chat_text_view_find_next (view,
							     search_criteria,
							     FALSE);
			priv->find_wrapped = FALSE;
		}
		
		return result;
	}
	
	/* Set new mark and show on screen */
	if (!priv->find_mark_next) {
		priv->find_mark_next = gtk_text_buffer_create_mark (buffer, NULL,
								    &iter_match_end,
								    TRUE);
	} else {
		gtk_text_buffer_move_mark (buffer,
					   priv->find_mark_next,
					   &iter_match_end);
	}
	
	if (!priv->find_mark_previous) {
		priv->find_mark_previous = gtk_text_buffer_create_mark (buffer, NULL,
									&iter_match_start,
									TRUE);
	} else {
		gtk_text_buffer_move_mark (buffer,
					   priv->find_mark_previous,
					   &iter_match_start);
	}
	
	gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
				      priv->find_mark_next,
				      0.0,
				      TRUE,
				      0.5,
				      0.5);
	
	gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &iter_match_start);
	gtk_text_buffer_move_mark_by_name (buffer, "insert", &iter_match_end);
	
	return TRUE;
}
Esempio n. 16
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static gboolean
chat_text_view_find_previous (EmpathyChatView *view,
				const gchar     *search_criteria,
				gboolean         new_search,
				gboolean         match_case)
{
	EmpathyChatTextViewPriv *priv;
	GtkTextBuffer      *buffer;
	GtkTextIter         iter_at_mark;
	GtkTextIter         iter_match_start;
	GtkTextIter         iter_match_end;
	gboolean            found;
	gboolean            from_start = FALSE;

	g_return_val_if_fail (EMPATHY_IS_CHAT_TEXT_VIEW (view), FALSE);
	g_return_val_if_fail (search_criteria != NULL, FALSE);

	priv = GET_PRIV (view);

	buffer = priv->buffer;

	if (EMP_STR_EMPTY (search_criteria)) {
		if (priv->find_mark_previous) {
			gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);

			gtk_text_buffer_move_mark (buffer,
						   priv->find_mark_previous,
						   &iter_at_mark);
			gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
						      priv->find_mark_previous,
						      0.0,
						      TRUE,
						      0.0,
						      0.0);
			gtk_text_buffer_select_range (buffer,
						      &iter_at_mark,
						      &iter_at_mark);
		}

		return FALSE;
	}

	if (new_search) {
		from_start = TRUE;
	}

	if (!new_search && priv->find_mark_previous) {
		gtk_text_buffer_get_iter_at_mark (buffer,
						  &iter_at_mark,
						  priv->find_mark_previous);
	} else {
		gtk_text_buffer_get_end_iter (buffer, &iter_at_mark);
		from_start = TRUE;
	}

	priv->find_last_direction = FALSE;

	/* Use the standard GTK+ method for case sensitive searches. It can't do
	 * case insensitive searches (see bug #61852), so keep the custom method
	 * around for case insensitive searches. */
	if (match_case) {
		found = gtk_text_iter_backward_search (&iter_at_mark,
		                                       search_criteria,
		                                       0, /* no text search flags, we want exact matches */
		                                       &iter_match_start,
		                                       &iter_match_end,
		                                       NULL);
	} else {
		found = empathy_text_iter_backward_search (&iter_at_mark,
		                                           search_criteria,
		                                           &iter_match_start,
		                                           &iter_match_end,
		                                           NULL);
	}

	if (!found) {
		gboolean result = FALSE;

		if (from_start) {
			return result;
		}

		/* Here we wrap around. */
		if (!new_search && !priv->find_wrapped) {
			priv->find_wrapped = TRUE;
			result = chat_text_view_find_previous (view,
								 search_criteria,
								 FALSE,
								 match_case);
			priv->find_wrapped = FALSE;
		}

		return result;
	}

	/* Set new mark and show on screen */
	if (!priv->find_mark_previous) {
		priv->find_mark_previous = gtk_text_buffer_create_mark (buffer, NULL,
									&iter_match_start,
									TRUE);
	} else {
		gtk_text_buffer_move_mark (buffer,
					   priv->find_mark_previous,
					   &iter_match_start);
	}

	if (!priv->find_mark_next) {
		priv->find_mark_next = gtk_text_buffer_create_mark (buffer, NULL,
								    &iter_match_end,
								    TRUE);
	} else {
		gtk_text_buffer_move_mark (buffer,
					   priv->find_mark_next,
					   &iter_match_end);
	}

	gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
				      priv->find_mark_previous,
				      0.0,
				      TRUE,
				      0.5,
				      0.5);

	gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &iter_match_start);
	gtk_text_buffer_move_mark_by_name (buffer, "insert", &iter_match_end);

	return TRUE;
}