From ffbc4a13d4c1756c371cb3ce518fb34a7ec16b36 Mon Sep 17 00:00:00 2001
From: tTh <tth@redlady.dinorama.fr>
Date: Thu, 22 Aug 2024 00:49:48 +0200
Subject: [PATCH] you can now stop the wav player with the X key

---
 Ecoute/src/ecran.c   | 41 +++++++++++++++++++++++++++++++++++++++++
 Ecoute/src/playwav.c | 10 ++++++++--
 2 files changed, 49 insertions(+), 2 deletions(-)

diff --git a/Ecoute/src/ecran.c b/Ecoute/src/ecran.c
index 8e4b705..a619e5b 100644
--- a/Ecoute/src/ecran.c
+++ b/Ecoute/src/ecran.c
@@ -6,9 +6,14 @@
  *
  */
 
+#define _POSIX_C_SOURCE 600L			/* for fileno(3) */
+
+#include  <stdio.h>
 #include  <stdlib.h>
 #include  <unistd.h>
 
+#include  <sys/select.h>
+
 #include  "ecoute.h"
 
 /*==------------------------------------------------------------------==*/
@@ -79,6 +84,42 @@ foo = 42;
 return foo;
 }
 /*==------------------------------------------------------------------==*/
+/*
+ *  detection de la frappe d'une touche clavier -- remember kbhit() ?
+ */
+int is_a_key_hitted(void)
+{
+int		fd,retv;
+fd_set		in_fds;
+struct timeval	tv;
+
+fd = fileno(stdin);
+#if DEBUG_LEVEL
+fprintf(stderr, "%s: fileno -> %d\n", __func__, fd);
+#endif
+
+FD_ZERO(&in_fds);	FD_SET(fd, &in_fds);
+tv.tv_sec = tv.tv_usec = 0;
+
+retv = select(1, &in_fds, NULL, NULL, &tv);
+#if DEBUG_LEVEL
+fprintf(stderr, "%s: select -> %d\n", __func__, retv);
+#endif
+
+if (-1 == retv) {
+	perror("select()");
+	}
+else if (0 == retv) {
+	/* no key hit */
+	}
+else	{
+	/* got a keypress */
+	return 1;
+	}
+
+return 0;
+}
+/*==------------------------------------------------------------------==*/
 void termine_ecran(void)
 {
 endwin();	exit(0);
diff --git a/Ecoute/src/playwav.c b/Ecoute/src/playwav.c
index 66dec77..add658f 100644
--- a/Ecoute/src/playwav.c
+++ b/Ecoute/src/playwav.c
@@ -20,7 +20,7 @@ ao_sample_format	format;
 ao_device		* device;
 char			chaine[120];
 short			* samples;
-int			lu;
+int			lu, key;
 long			total_lu;
 
 #if DEBUG_LEVEL
@@ -103,7 +103,13 @@ while ( (lu=sf_read_short(sndf, samples, T_BUFFER)) > 0 )
 	wrefresh(popup);
 
 	/* HERE WE HAVE TO DETECT A 'STOP LISTEN' FUNCTION. */
-
+	if (is_a_key_hitted()) {
+		key = getch();
+		fprintf(stderr, "%s key pressed 0x%X\n", __func__, key);
+		if ('X' == key) {
+			break;
+			}
+		}
 	}
 
 /*