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Support "alternate screen" mode (terminfo smcup/rmcup) typically used by full

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screen interactive programs to preserve the screen contents. When activated, it
saves a copy of the visible grid and disables scrolling into and resizing out
of the history; when deactivated the visible data is restored and the history
reenabled.
This commit is contained in:
Nicholas Marriott
2009-07-13 10:43:52 +00:00
parent 0b788a3d61
commit 359285928b
6 changed files with 153 additions and 9 deletions
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10
tmux.h
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@ -443,6 +443,9 @@ struct grid_utf8 {
/* Entire grid of cells. */
struct grid {
int flags;
#define GRID_HISTORY 0x1 /* scroll lines into history */
u_int sx;
u_int sy;
@ -614,6 +617,11 @@ struct window_pane {
struct screen *screen;
struct screen base;
/* Saved in alternative screen mode. */
u_int saved_cx;
u_int saved_cy;
struct grid *saved_grid;
const struct window_mode *mode;
void *modedata;
@ -1328,6 +1336,8 @@ void grid_clear_lines(struct grid *, u_int, u_int);
void grid_move_lines(struct grid *, u_int, u_int, u_int);
void grid_move_cells(struct grid *, u_int, u_int, u_int, u_int);
char *grid_string_cells(struct grid *, u_int, u_int, u_int);
void grid_duplicate_lines(
struct grid *, u_int, struct grid *, u_int, u_int);
/* grid-view.c */
const struct grid_cell *grid_view_peek_cell(struct grid *, u_int, u_int);