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;
}
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;
}
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);
}
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;
}
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;
}
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;
}
