1 files changed, 52 insertions, 0 deletions
diff --git a/dselect/basetop.cc b/dselect/basetop.cc
new file mode 100644
index 0000000..7176fc1
--- /dev/null
+++ b/dselect/basetop.cc
@@ -0,0 +1,52 @@
+/*
+ * dselect - Debian package maintenance user interface
+ * basetop.cc - base list class redraw of top
+ *
+ * Copyright © 1994,1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <compat.h>
+
+#include <dpkg/dpkg-db.h>
+
+#include "dselect.h"
+
+void baselist::refreshlist() {
+  redrawitemsrange(topofscreen, min(nitems, topofscreen + list_height));
+  int y, x, maxy, maxx;
+  y = min(list_row + list_height - 1, list_row + nitems - topofscreen - 1);
+  x = min(total_width - leftofscreen - 1, xmax - 1);
+  pnoutrefresh(listpad, 0, leftofscreen, list_row, 0, y, x);
+  getmaxyx(listpad,maxy,maxx);
+  y++;
+  while (y < list_row + list_height - 1) {
+    pnoutrefresh(listpad, maxy-1,leftofscreen, y,0, y,x);
+    y++;
+  }
+}
+
+void baselist::redrawitemsrange(int start, int end) {
+  int i;
+  for (i = start; i < end; i++) {
+    redraw1item(i);
+  }
+}
+
+void baselist::refreshcolheads() {
+  pnoutrefresh(colheadspad, 0,leftofscreen, colheads_row,0,
+               colheads_row, min(total_width - leftofscreen - 1, xmax - 1));
+}