From 580c8bbd4691218849c9a809acaa4c95f65cb846 Mon Sep 17 00:00:00 2001
From: Christoph Lohmann <20h@r-36.net>
Date: Wed, 3 Apr 2013 20:42:27 +0200
Subject: Add an option to disable alternative screens.
---
config.def.h | 3 +++
st.1 | 4 ++++
st.c | 13 +++++++++----
3 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/config.def.h b/config.def.h
index 693bdbd..2c97266 100644
--- a/config.def.h
+++ b/config.def.h
@@ -13,6 +13,9 @@ static char shell[] = "/bin/sh";
static unsigned int doubleclicktimeout = 300;
static unsigned int tripleclicktimeout = 600;
+/* alt screens */
+static bool allowaltscreen = true;
+
/* frames per second st should at maximum draw to the screen */
static unsigned int xfps = 60;
static unsigned int actionfps = 30;
diff --git a/st.1 b/st.1
index 1c100c0..fc7703d 100644
--- a/st.1
+++ b/st.1
@@ -3,6 +3,7 @@
st \- simple terminal
.SH SYNOPSIS
.B st
+.RB [ \-a ]
.RB [ \-c
.IR class ]
.RB [ \-f
@@ -23,6 +24,9 @@ st \- simple terminal
is a simple terminal emulator.
.SH OPTIONS
.TP
+.B \-a
+disable alternate screens in terminal
+.TP
.BI \-c " class"
defines the window class (default $TERM).
.TP
diff --git a/st.c b/st.c
index 8b1fc56..18935d4 100644
--- a/st.c
+++ b/st.c
@@ -43,7 +43,7 @@
#define USAGE \
"st " VERSION " (c) 2010-2013 st engineers\n" \
- "usage: st [-v] [-c class] [-f font] [-g geometry] [-o file]" \
+ "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]" \
" [-t title] [-w windowid] [-e command ...]\n"
/* XEMBED messages */
@@ -1615,7 +1615,10 @@ tsetmode(bool priv, bool set, int *args, int narg) {
break;
case 1049: /* = 1047 and 1048 */
case 47:
- case 1047: {
+ case 1047:
+ if (!allowaltscreen)
+ break;
+
alt = IS_SET(MODE_ALTSCREEN);
if(alt) {
tclearregion(0, 0, term.col-1,
@@ -1625,8 +1628,7 @@ tsetmode(bool priv, bool set, int *args, int narg) {
tswapscreen();
if(*args != 1049)
break;
- }
- /* pass through */
+ /* FALLTRU */
case 1048:
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
break;
@@ -3316,6 +3318,9 @@ main(int argc, char *argv[]) {
for(i = 1; i < argc; i++) {
switch(argv[i][0] != '-' || argv[i][2] ? -1 : argv[i][1]) {
+ case 'a':
+ allowaltscreen = false;
+ break;
case 'c':
if(++i < argc)
opt_class = argv[i];
--
cgit v1.2.3-54-g00ecf