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	tAdd an option to disable alternative screens. - st - [fork] customized build o…
	git clone git://src.adamsgaard.dk/st
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	---
	commit 580c8bbd4691218849c9a809acaa4c95f65cb846
	parent 502911e55442a89602bd5681763f68250bff330b
	Author: Christoph Lohmann <[email protected]>
	Date: Wed, 3 Apr 2013 20:42:27 +0200

	Add an option to disable alternative screens.

	Diffstat:
	M config.def.h \| 3 +++
	M st.1 \| 4 ++++
	M st.c \| 13 +++++++++----

	3 files changed, 16 insertions(+), 4 deletions(-)
	---
	diff --git a/config.def.h b/config.def.h
	t@@ -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
	t@@ -3,6 +3,7 @@
	st \- simple terminal
	.SH SYNOPSIS
	.B st
	+.RB [ \-a ]
	.RB [ \-c
	.IR class ]
	.RB [ \-f
	t@@ -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
	t@@ -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 */
	t@@ -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,
	t@@ -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;
	t@@ -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];