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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
2009-07-14 06:40:33 +00:00
parent f41ef2198b
commit e63567d51c
6 changed files with 159 additions and 15 deletions
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12
tmux.h
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@@ -1,4 +1,4 @@
/* $Id: tmux.h,v 1.358 2009-07-14 06:40:03 nicm Exp $ */
/* $Id: tmux.h,v 1.359 2009-07-14 06:40:33 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -442,6 +442,9 @@ 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;
@@ -613,6 +616,11 @@ 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;
@@ -1327,6 +1335,8 @@ 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);