xW: improve beeping

This adds yet another build dependency,
but it's better than the alternatives of handling it in code.

xW/CMakeLists.txt

@@ -59,6 +59,13 @@ function (icon_for_win32 ico pngs pngs_raw)
 		COMMENT "Generating Windows program icon" VERBATIM)
 endfunction ()
 
+# Produce a beep sample
+find_program (sox_EXECUTABLE sox ${find_program_REQUIRE})
+add_custom_command (OUTPUT beep.wav
+	COMMAND ${sox_EXECUTABLE} -b 16 -Dr 44100 -n beep.wav
+		synth 0.1 0 25 triangle 800 vol 0.5 fade t 0 -0 0.005 pad 0 0.05
+	COMMENT "Generating a beep sample" VERBATIM)
+
 # Rasterize SVG icons
 set (icon_ico_list)
 foreach (icon xW xW-highlighted)
@@ -76,7 +83,8 @@ foreach (icon xW xW-highlighted)
 	list (APPEND icon_ico_list ${icon_ico})
 endforeach ()
 
-set_property (SOURCE xW.rc APPEND PROPERTY OBJECT_DEPENDS ${icon_ico_list})
+set_property (SOURCE xW.rc
+	APPEND PROPERTY OBJECT_DEPENDS ${icon_ico_list} beep.wav)
 
 # Build the main executable and link it
 set (root "${PROJECT_SOURCE_DIR}/..")
@@ -97,7 +105,7 @@ add_custom_target (xC-proto DEPENDS ${PROJECT_BINARY_DIR}/xC-proto.cpp)
 
 add_executable (xW WIN32 xW.cpp xW.rc xW.manifest ${project_config}
 	${root}/liberty/tools/lxdrgen-cpp-win32.cpp)
-target_link_libraries (xW comctl32 ws2_32)
+target_link_libraries (xW comctl32 ws2_32 winmm)
 add_dependencies (xW xC-proto)
 
 # At least with MinGW, this is a fully independent portable executable

xW/xW-resources.h

@@ -1,5 +1,6 @@
 #define IDI_ICON                1
 #define IDI_HIGHLIGHTED         2
+#define IDR_BEEP                3
 #define IDA_ACCELERATORS       10
 
 // Named after input_add_functions() in xC.

xW/xW.cpp

@@ -165,6 +165,14 @@ window_get_text(HWND hWnd)
 	return buffer;
 }
 
+static void
+beep()
+{
+	if (!PlaySound(MAKEINTRESOURCE(IDR_BEEP),
+			GetModuleHandle(NULL), SND_ASYNC | SND_RESOURCE))
+		Beep(800, 100);
+}
+
 // --- Networking --------------------------------------------------------------
 
 static bool
@@ -785,8 +793,7 @@ relay_process_buffer_line(Buffer &b, Relay::EventData_BufferLine &m)
 
 	if (line->is_highlight || (!visible && !line->is_unimportant &&
 		b.kind == Relay::BufferKind::PRIVATE_MESSAGE)) {
-		// TODO(p): Avoid the PC speaker, which is also unreliable.
-		Beep(800, 100);
+		beep();
 
 		if (!visible) {
 			b.highlighted = true;
@@ -1261,9 +1268,8 @@ input_complete(const InputStamp &state, const std::wstring &error,
 		SendMessage(g.hwndInput, EM_REPLACESEL, TRUE, (LPARAM) insert.c_str());
 	}
 
-	// TODO(p): Avoid the PC speaker, which is also unreliable.
 	if (response->completions.size() != 1)
-		Beep(800, 100);
+		beep();
 
 	// TODO(p): Show all completion options.
 }

xW/xW.rc

@@ -12,6 +12,7 @@ CREATEPROCESS_MANIFEST_RESOURCE_ID RT_MANIFEST "xW.manifest"
 
 IDI_ICON ICON "xW.ico"
 IDI_HIGHLIGHTED ICON "xW-highlighted.ico"
+IDR_BEEP WAVE "beep.wav"
 
 IDA_ACCELERATORS ACCELERATORS
 BEGIN