static gboolean _scroll_imhtml_to_end(gpointer data) { GtkIMHtml *imhtml = data; gtk_imhtml_scroll_to_end(GTK_IMHTML(imhtml), FALSE); g_object_unref(G_OBJECT(imhtml)); return FALSE; }
static void timestamp_display(PurpleConversation *conv, time_t then, time_t now) { PidginConversation *gtk_conv = PIDGIN_CONVERSATION(conv); GtkWidget *imhtml = gtk_conv->imhtml; GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(imhtml)); GtkTextIter iter; const char *mdate; int y, height; GdkRectangle rect; /* display timestamp */ mdate = purple_utf8_strftime(then == 0 ? "%H:%M" : "\n%H:%M", localtime(&now)); gtk_text_buffer_get_end_iter(buffer, &iter); if (gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "TIMESTAMP") == NULL) gtk_text_buffer_create_tag(buffer, "TIMESTAMP", "foreground", "#888888", "justification", GTK_JUSTIFY_CENTER, "weight", PANGO_WEIGHT_BOLD, NULL); gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, mdate, strlen(mdate), "TIMESTAMP", NULL); /* scroll view if necessary */ gtk_text_view_get_visible_rect(GTK_TEXT_VIEW(imhtml), &rect); gtk_text_view_get_line_yrange( GTK_TEXT_VIEW(imhtml), &iter, &y, &height); if (((y + height) - (rect.y + rect.height)) > height && gtk_text_buffer_get_char_count(buffer)) { gboolean smooth = purple_prefs_get_bool( PIDGIN_PREFS_ROOT "/conversations/use_smooth_scrolling"); gtk_imhtml_scroll_to_end(GTK_IMHTML(imhtml), smooth); } }