Support SIGSTOP, SIGCONT in raw mode

git-svn-id: https://svn.musicpd.org/ncmpc/trunk@1858 09075e82-0dd4-0310-85a5-a0d7c8717e4f

5 files changed, 38 insertions, 3 deletions

diff --git a/src/command.c b/src/command.c
index 1d77d0d2d..6cf3bf172 100644
--- a/src/command.c
+++ b/src/command.c
@@ -24,6 +24,7 @@
 #include <string.h>
 #include <ctype.h>
 #include <glib.h>
+#include <signal.h>
 #include <ncurses.h>
 
 #include "config.h"
@@ -391,12 +392,17 @@ get_keyboard_command_with_timeout(int ms)
   if( key==KEY_RESIZE )
     screen_resize();
 
+#ifdef ENABLE_RAW_MODE
+  if( key==KEY_SIGSTOP )
+    sigstop();
+#endif
+
   if( key==ERR )
     return CMD_NONE;
 
 #ifdef HAVE_GETMOUSE
-  if( key==KEY_MOUSE )
-    return CMD_MOUSE_EVENT;
+  //  if( key==KEY_MOUSE )
+  //    return CMD_MOUSE_EVENT;
 #endif
 
   return get_key_command(key);
diff --git a/src/main.c b/src/main.c
index 9497e3b61..19dad2987 100644
--- a/src/main.c
+++ b/src/main.c
@@ -137,7 +137,19 @@ void
 catch_sigcont( int sig )
 {
   D("catch_sigcont()\n");
-  screen_resize();
+#ifdef ENABLE_RAW_MODE
+  reset_prog_mode(); /* restore tty modes */
+  refresh();
+#endif
+  screen_resize(); 
+}
+
+void
+sigstop(void)
+{
+  def_prog_mode();  /* save the tty modes */
+  endwin();         /* end curses mode temporarily */
+  kill(0, SIGSTOP); /* issue SIGSTOP */
 }
 
 #ifdef DEBUG
diff --git a/src/ncmpc.h b/src/ncmpc.h
index 4118456a1..dec530dc2 100644
--- a/src/ncmpc.h
+++ b/src/ncmpc.h
@@ -46,4 +46,10 @@ void D(char *format, ...);
 #define DEFAULT_STATUS_FORMAT "[%artist% - ]%title%|%shortfile%"
 #define STATUS_FORMAT (options.status_format ? options.status_format : DEFAULT_STATUS_FORMAT)
 
+/* sigstop key (Ctrl-Z) */
+#define KEY_SIGSTOP 26
+
+/* send SIGSTOP */
+void sigstop(void);
+
 #endif /* NCMPC_H */
diff --git a/src/screen_utils.c b/src/screen_utils.c
index 7e2ba146c..cd3fc1ed0 100644
--- a/src/screen_utils.c
+++ b/src/screen_utils.c
@@ -66,6 +66,11 @@ screen_getch(WINDOW *w, char *prompt)
   while( (key=wgetch(w)) == ERR )
     ;
 
+#ifdef ENABLE_RAW_MODE
+  if( key==KEY_SIGSTOP )
+    sigstop();
+#endif
+
 #ifdef HAVE_GETMOUSE
   /* ignore mouse events */
   if( key==KEY_MOUSE )
diff --git a/src/wreadln.c b/src/wreadln.c
index 3ebba7f2a..d0204329e 100644
--- a/src/wreadln.c
+++ b/src/wreadln.c
@@ -44,6 +44,7 @@ wrln_gcmp_pre_cb_t wrln_pre_completion_callback = NULL;
 wrln_gcmp_post_cb_t wrln_post_completion_callback = NULL;
 
 extern void screen_bell(void);
+extern void sigstop(void);
 
 char *
 wreadln(WINDOW *w, 
@@ -169,6 +170,11 @@ wreadln(WINDOW *w,
 	case ERR: /* ingnore errors */
 	  break;
 
+#ifdef ENABLE_RAW_MODE
+	case 26:
+	  sigstop();
+	  break;
+#endif
 	case KEY_RESIZE:
 	  /* a resize event -> call an external callback function */
 	  if( wrln_resize_callback )