Scrolling pad now also has its own function with its own sanity checks.

[plomrogue] / windows.c

diff --git a/windows.c b/windows.c
index 121c9faf369fdc0cd51f7dd9387c11a4b538835f..cc9f0f2b9c20a0cc944b74d8a4cd54c3820d5187 100644 (file)
--- a/windows.c
+++ b/windows.c
@@ -15,6 +15,13 @@ struct WinMeta init_win_meta (WINDOW * screen) {
   win_meta.pad = newpad(win_meta.height, 1);
   return win_meta; }
 
+void scroll_pad (struct WinMeta * win_meta, char dir) {
+// Scroll pad left (if possible) or right.
+  if      ('+' == dir)
+    win_meta->pad_offset++;
+  else if ('-' == dir && win_meta->pad_offset > 0)
+    win_meta->pad_offset--; }
+
 struct Win init_window (struct WinMeta * win_meta, char * title) {
 // Create and populate Win struct with sane default values.
   struct Win win;