Changeset 3578

Timestamp:

09/12/08 23:50:57 (2 months ago)

Author:

stepan

Message:

* Implement scrolling in tinycurses
* Fix an off by one bug

Signed-off-by: Stefan Reinauer <stepan@…>
Acked-by: Jordan Crouse <jordan.crouse@…>

Files:

• trunk/payloads/libpayload/curses/tinycurses.c (modified) (3 diffs)

trunk/payloads/libpayload/curses/tinycurses.c

@@ -71 +71 @@
 static int ldat_count = 0;
 
-/* One item bigger than SCREEN_X to reverse place for a NUL byte. */
+/* One item bigger than SCREEN_X to reserve space for a NUL byte. */
 static NCURSES_CH_T linebuf_list[SCREEN_Y * MAX_WINDOWS][SCREEN_X + 1];
 static int linebuf_count = 0;
@@ -306 +306 @@
         // TODO: curscr, newscr?
 
-        for (y = 0; y < stdscr->_maxy; y++) {
-                for (x = 0; x < stdscr->_maxx; x++) {
+        for (y = 0; y <= stdscr->_maxy; y++) {
+                for (x = 0; x <= stdscr->_maxx; x++) {
                         stdscr->_line[y].text[x].chars[0] = ' ';
                         stdscr->_line[y].text[x].attr = A_NORMAL;
@@ -818 +818 @@
 
         if (n != 0) {
+                int x, y;
+
+                for (y = 0; y <= (win->_maxy - n); y++) {
+                        for (x = 0; x <= win->_maxx; x++) {
+                                win->_line[y].text[x].chars[0] = win->_line[y + n].text[x].chars[0];
+                                win->_line[y].text[x].attr = win->_line[y + n].text[x].attr;
+                        }
+                }
+
+                for (y = (win->_maxy+1 - n); y <= win->_maxy; y++) {
+                        for (x = 0; x <= win->_maxx; x++) {
+                                win->_line[y].text[x].chars[0] = ' ';
+                                win->_line[y].text[x].attr = A_NORMAL;
+                        }
+                }
+
                 // _nc_scroll_window(win, n, win->_regtop, win->_regbottom, win->_nc_bkgd);
                 // _nc_synchook(win);