scrolling even bettermake

config.h

@@ -178,8 +178,8 @@ const unsigned int scrollInterval = 4;
  */
 static MouseShortcut mshortcuts[] = {
 	/* mask                 button   function        argument       release */
-	{ ShiftMask,            Button4, kscrollup,      {.i = scrollInterval} },
+	{ XK_ANY_MOD,            Button4, kscrollup,      {.i = scrollInterval} },
-  { ShiftMask,            Button5, kscrolldown,    {.i = scrollInterval} },
+  { XK_ANY_MOD,            Button5, kscrolldown,    {.i = scrollInterval} },
 	{ XK_ANY_MOD,           Button2, selpaste,       {.i = 0},      1 },
 	{ ShiftMask,            Button4, ttysend,        {.s = "\033[5;2~"} },
 	{ XK_ANY_MOD,           Button4, ttysend,        {.s = "\031"} },

st.c

@@ -1053,6 +1053,11 @@ tnew(int col, int row)
 	treset();
 }
 
+int tisaltscr(void)
+{
+	return IS_SET(MODE_ALTSCREEN);
+}
+
 void
 tswapscreen(void)
 {

st.h

@@ -89,6 +89,7 @@ void sendbreak(const Arg *);
 void toggleprinter(const Arg *);
 
 int tattrset(int);
+int tialtscr(void);
 void tnew(int, int);
 void tresize(int, int);
 void tsetdirtattr(int);

x.c

@@ -34,6 +34,7 @@ typedef struct {
 	void (*func)(const Arg *);
 	const Arg arg;
 	uint  release;
+	int altscrn; /* 0: don't care, -1: not alt screen, 1: alt screen */
 } MouseShortcut;
 
 typedef struct {
@@ -455,6 +456,7 @@ mouseaction(XEvent *e, uint release)
 	for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
 		if (ms->release == release &&
 				ms->button == e->xbutton.button &&
+			  (!ms->altscrn || (ms->altscrn == (tisaltscr() ? 1 : -1))) &&
 				(match(ms->mod, state) ||  /* exact or forced */
 				 match(ms->mod, state & ~forcemousemod))) {
 			ms->func(&(ms->arg));