Second commit; does not compile yet.

Finalized saving of current_matrix and restoring into desired_matrix.
Added margin areas, when non-empty, to save/restore.
Replaced ScreenRetreive and ScreenUpdate with the new functions based on
saving and restoring glyph matrices.
Started work on reading input via read_char while inside menu display.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/dispextern.h b/src/dispextern.h
index 65df553c831..9ffb1e5a67a 100644
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -3302,6 +3302,7 @@ extern void adjust_glyphs (struct frame *);
 extern void free_glyphs (struct frame *);
 extern void free_window_matrices (struct window *);
 extern void check_glyph_memory (void);
+extern struct glyph_matrix *save_current_matrix (struct frame *);
 extern void mirrored_line_dance (struct glyph_matrix *, int, int, int *,
                                  char *);
 extern void clear_glyph_matrix (struct glyph_matrix *);