From 29f45358ccc638f7c2ce951e03d91bbd02d6a109 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Sun, 20 Apr 2014 22:49:16 -0400
Subject: support audible bells (with a config option to disable them)

---
 config.c      |  4 ++++
 parser.c      |  7 ++++++-
 parser.l      |  7 ++++++-
 term.h        |  1 +
 window-xlib.c | 21 ++++++++++++++++++++-
 window-xlib.h |  2 ++
 6 files changed, 39 insertions(+), 3 deletions(-)

diff --git a/config.c b/config.c
index d6dd8cd..0becda1 100644
--- a/config.c
+++ b/config.c
@@ -29,6 +29,7 @@ static void runes_config_set_defaults(RunesTerm *t)
     t->font_name      = "monospace 10";
     t->bold_is_bright = 1;
     t->bold_is_bold   = 1;
+    t->audible_bell   = 1;
 
     t->fgdefault = cairo_pattern_create_rgb(0.827, 0.827, 0.827);
     t->bgdefault = cairo_pattern_create_rgb(0.0,   0.0,   0.0);
@@ -154,6 +155,9 @@ static void runes_config_set(RunesTerm *t, char *key, char *val)
     else if (!strcmp(key, "bold_is_bold")) {
         t->bold_is_bold = runes_config_parse_bool(val);
     }
+    else if (!strcmp(key, "audible_bell")) {
+        t->audible_bell = runes_config_parse_bool(val);
+    }
     else if (!strcmp(key, "bgcolor")) {
         cairo_pattern_t *newcolor;
         newcolor = runes_config_parse_color(val);
diff --git a/parser.c b/parser.c
index e067bcc..d62b442 100644
--- a/parser.c
+++ b/parser.c
@@ -2331,7 +2331,12 @@ void runes_parser_process_string(RunesTerm *t, char *buf, size_t len)
 
 static void runes_parser_handle_bel(RunesTerm *t)
 {
-    runes_window_backend_request_visual_bell(t);
+    if (t->audible_bell) {
+        runes_window_backend_request_audible_bell(t);
+    }
+    else {
+        runes_window_backend_request_visual_bell(t);
+    }
 }
 
 static void runes_parser_handle_bs(RunesTerm *t)
diff --git a/parser.l b/parser.l
index 2fc1082..a4c4ced 100644
--- a/parser.l
+++ b/parser.l
@@ -232,7 +232,12 @@ void runes_parser_process_string(RunesTerm *t, char *buf, size_t len)
 
 static void runes_parser_handle_bel(RunesTerm *t)
 {
-    runes_window_backend_request_visual_bell(t);
+    if (t->audible_bell) {
+        runes_window_backend_request_audible_bell(t);
+    }
+    else {
+        runes_window_backend_request_visual_bell(t);
+    }
 }
 
 static void runes_parser_handle_bs(RunesTerm *t)
diff --git a/term.h b/term.h
index c2c0b53..8f9d6a4 100644
--- a/term.h
+++ b/term.h
@@ -51,6 +51,7 @@ struct runes_term {
     char inverse;
     char hide_cursor;
     char unfocused;
+    char audible_bell;
 
     char application_keypad;
     char application_cursor;
diff --git a/window-xlib.c b/window-xlib.c
index 70cbf22..0051fae 100644
--- a/window-xlib.c
+++ b/window-xlib.c
@@ -19,7 +19,8 @@ static char *atom_names[RUNES_NUM_ATOMS] = {
     "UTF8_STRING",
     "WM_PROTOCOLS",
     "RUNES_FLUSH",
-    "RUNES_VISUAL_BELL"
+    "RUNES_VISUAL_BELL",
+    "RUNES_AUDIBLE_BELL"
 };
 
 struct function_key {
@@ -218,6 +219,21 @@ void runes_window_backend_request_visual_bell(RunesTerm *t)
     XUnlockDisplay(t->w.dpy);
 }
 
+void runes_window_backend_request_audible_bell(RunesTerm *t)
+{
+    XEvent e;
+
+    e.xclient.type = ClientMessage;
+    e.xclient.window = t->w.w;
+    e.xclient.format = 32;
+    e.xclient.data.l[0] = t->w.atoms[RUNES_ATOM_RUNES_AUDIBLE_BELL];
+
+    XSendEvent(t->w.dpy, t->w.w, False, NoEventMask, &e);
+    XLockDisplay(t->w.dpy);
+    XFlush(t->w.dpy);
+    XUnlockDisplay(t->w.dpy);
+}
+
 void runes_window_backend_request_close(RunesTerm *t)
 {
     XEvent e;
@@ -423,6 +439,9 @@ static void runes_window_backend_process_event(uv_work_t *req, int status)
                 nanosleep(&tm, NULL);
                 runes_window_backend_flush(t);
             }
+            else if (a == w->atoms[RUNES_ATOM_RUNES_AUDIBLE_BELL]) {
+                XBell(w->dpy, 0);
+            }
             break;
         }
         default:
diff --git a/window-xlib.h b/window-xlib.h
index df5eabb..c7b8960 100644
--- a/window-xlib.h
+++ b/window-xlib.h
@@ -14,6 +14,7 @@ enum runes_atoms {
     RUNES_ATOM_WM_PROTOCOLS,
     RUNES_ATOM_RUNES_FLUSH,
     RUNES_ATOM_RUNES_VISUAL_BELL,
+    RUNES_ATOM_RUNES_AUDIBLE_BELL,
     RUNES_NUM_ATOMS
 };
 
@@ -34,6 +35,7 @@ void runes_window_backend_create_window(RunesTerm *t, int argc, char *argv[]);
 void runes_window_backend_start_loop(RunesTerm *t);
 void runes_window_backend_request_flush(RunesTerm *t);
 void runes_window_backend_request_visual_bell(RunesTerm *t);
+void runes_window_backend_request_audible_bell(RunesTerm *t);
 void runes_window_backend_request_close(RunesTerm *t);
 void runes_window_backend_get_size(RunesTerm *t, int *xpixel, int *ypixel);
 void runes_window_backend_set_icon_name(RunesTerm *t, char *name, size_t len);
-- 
cgit v1.2.3-54-g00ecf