static void
chat_text_view_maybe_trim_buffer (EmpathyChatTextView *view)
{
EmpathyChatTextViewPriv *priv;
GtkTextIter top, bottom;
gint line;
gint remove;
GtkTextTagTable *table;
GtkTextTag *tag;
priv = GET_PRIV (view);
gtk_text_buffer_get_end_iter (priv->buffer, &bottom);
line = gtk_text_iter_get_line (&bottom);
if (line < MAX_LINES) {
return;
}
remove = line - MAX_LINES;
gtk_text_buffer_get_start_iter (priv->buffer, &top);
bottom = top;
if (!gtk_text_iter_forward_lines (&bottom, remove)) {
return;
}
/* Track backwords to a place where we can safely cut, we don't do it in
* the middle of a tag.
*/
table = gtk_text_buffer_get_tag_table (priv->buffer);
tag = gtk_text_tag_table_lookup (table, EMPATHY_CHAT_TEXT_VIEW_TAG_CUT);
if (!tag) {
return;
}
if (!gtk_text_iter_forward_to_tag_toggle (&bottom, tag)) {
return;
}
if (!gtk_text_iter_equal (&top, &bottom)) {
gtk_text_buffer_delete (priv->buffer, &top, &bottom);
}
}
/**
* \fn display_message_receipt
* \brief Displays the received receipt at the correct position
*/
void display_message_receipt(const char* strId){
#ifdef DEBUG
if(strId == NULL)
printf("NO ID\n");
else
printf("id is: %s \n", strId);
#endif
if(strId == NULL)
return;
message_info* info = (message_info*) g_hash_table_lookup(ht_locations, strId);
#ifdef DEBUG
printf("insert...");
#endif
if(info != NULL)
{
GtkTextIter location;
gtk_text_buffer_get_iter_at_offset (info->textbuffer,
&location,
info->offset);
gtk_text_iter_forward_lines (&location, info->lines);
gtk_text_iter_forward_to_line_end (&location);
gtk_text_buffer_insert (info->textbuffer,
&location,
" ✓",
-1);
g_hash_table_remove (ht_locations, strId);
}
#ifdef DEBUG
else
printf("failed: id not found\n");
#endif
}
static void
ide_source_view_movements_move_page (Movement *mv)
{
GtkTextView *text_view = (GtkTextView *)mv->self;
GtkTextBuffer *buffer;
GtkTextMark *mark;
GdkRectangle rect;
GtkTextIter iter_top;
GtkTextIter iter_bottom;
GtkTextIter scroll_iter;
gint scrolloff;
gint half_page;
gint line_top;
gint line_bottom;
gtk_text_view_get_visible_rect (text_view, &rect);
gtk_text_view_get_iter_at_location (text_view, &iter_top, rect.x, rect.y);
gtk_text_view_get_iter_at_location (text_view, &iter_bottom,
rect.x + rect.width,
rect.y + rect.height);
buffer = gtk_text_view_get_buffer (text_view);
line_top = gtk_text_iter_get_line (&iter_top);
line_bottom = gtk_text_iter_get_line (&iter_bottom);
half_page = MAX (1, (line_bottom - line_top) / 2);
scrolloff = MIN (ide_source_view_get_scroll_offset (mv->self), half_page);
switch ((int)mv->type)
{
case IDE_SOURCE_VIEW_MOVEMENT_HALF_PAGE_UP:
ide_source_view_movements_scroll_by_lines (mv, -half_page);
gtk_text_iter_backward_lines (&mv->insert, half_page);
break;
case IDE_SOURCE_VIEW_MOVEMENT_HALF_PAGE_DOWN:
ide_source_view_movements_scroll_by_lines (mv, half_page);
gtk_text_iter_forward_lines (&mv->insert, half_page);
break;
case IDE_SOURCE_VIEW_MOVEMENT_PAGE_UP:
gtk_text_buffer_get_iter_at_line (buffer, &mv->insert, MAX (0, line_top - scrolloff));
text_iter_forward_to_nonspace_captive (&mv->insert);
ide_source_view_movements_select_range (mv);
mark = _ide_source_view_get_scroll_mark (mv->self);
gtk_text_buffer_get_iter_at_line (buffer, &scroll_iter, line_top);
gtk_text_buffer_move_mark (buffer, mark, &scroll_iter);
gtk_text_view_scroll_to_mark (text_view, mark, 0.0, TRUE, 1.0, 1.0);
mv->ignore_select = TRUE;
mv->ignore_scroll_to_insert = TRUE;
break;
case IDE_SOURCE_VIEW_MOVEMENT_PAGE_DOWN:
gtk_text_buffer_get_iter_at_line (buffer, &mv->insert, line_bottom + scrolloff);
text_iter_forward_to_nonspace_captive (&mv->insert);
ide_source_view_movements_select_range (mv);
mark = _ide_source_view_get_scroll_mark (mv->self);
gtk_text_buffer_get_iter_at_line (buffer, &scroll_iter, line_bottom);
gtk_text_buffer_move_mark (buffer, mark, &scroll_iter);
gtk_text_view_scroll_to_mark (text_view, mark, 0.0, TRUE, 1.0, 0.0);
mv->ignore_select = TRUE;
mv->ignore_scroll_to_insert = TRUE;
break;
default:
g_assert_not_reached();
}
}
