src/usr.bin/tmux/grid-view.c - diff

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-version 1.8, 2009/12/03 22:50:10
+version 1.9, 2011/01/25 23:40:26
 Line 74
 Line 74
 Line 74
          grid_set_utf8(gd, grid_view_x(gd, px), grid_view_y(gd, py), gu);
  }
+ /* Clear into history. */
+ void
+ grid_view_clear_history(struct grid *gd)
+ {
+         struct grid_line        *gl;
+         u_int                    yy, last;
+         GRID_DEBUG(gd, "");
+         /* Find the last used line. */
+         last = 0;
+         for (yy = 0; yy < gd->sy; yy++) {
+                 gl = &gd->linedata[grid_view_y(gd, yy)];
+                 if (gl->cellsize != 0 || gl->utf8size != 0)
+                         last = yy + 1;
+         }
+         if (last == 0)
+                 return;
+         /* Scroll the lines into the history. */
+         for (yy = 0; yy < last; yy++)
+                 grid_scroll_history(gd);
+ }
  /* Clear area. */
  void
  grid_view_clear(struct grid *gd, u_int px, u_int py, u_int nx, u_int ny)