Add --delete-prop option.

4 files changed, 63 insertions, 0 deletions

diff --git a/man/xinput.man b/man/xinput.man
index 0cad0b3..c9ff46f 100644
--- a/man/xinput.man
+++ b/man/xinput.man
@@ -69,6 +69,11 @@ are 8, 16, or 32, depending on the property.
 Prints to standard out when property changes occur.
 .PP
 .TP 8
+.B xinput delete-prop \fIdevice_name\fP \fIproperty\fP
+Delete the property from the device.
+.PP
+.PP
+.TP 8
 .B xinput test [-proximity] \fIdevice_name\fP
 Register all extended events from \fIdevice_name\fP and enter an endless
 loop displaying events received. If the -proximity is given, ProximityIn
diff --git a/src/property.c b/src/property.c
index d739d6a..d0a4ffc 100644
--- a/src/property.c
+++ b/src/property.c
@@ -272,3 +272,46 @@ int watch_props(Display *dpy, int argc, char** argv, char* n, char *desc)
 
     XCloseDevice(dpy, dev);
 }
+
+int delete_prop(Display *dpy, int argc, char** argv, char* n, char *desc)
+{
+    XDevice     *dev;
+    XDeviceInfo *info;
+    char        *name;
+    int         i;
+    Bool        is_atom = True;
+    Atom        prop;
+
+    info = find_device_info(dpy, argv[0], False);
+    if (!info)
+    {
+        fprintf(stderr, "unable to find device %s\n", argv[0]);
+        return EXIT_FAILURE;
+    }
+
+    dev = XOpenDevice(dpy, info->id);
+    if (!dev)
+    {
+        fprintf(stderr, "unable to open device '%s'\n", info->name);
+        return EXIT_FAILURE;
+    }
+
+    name = argv[1];
+
+    for(i = 0; i < strlen(name); i++) {
+	if (!isdigit(name[i])) {
+            is_atom = False;
+	    break;
+	}
+    }
+
+    if (!is_atom)
+        prop = XInternAtom(dpy, name, False);
+    else
+        prop = atoi(name);
+
+    XDeleteDeviceProperty(dpy, dev, prop);
+
+    XCloseDevice(dpy, dev);
+    return EXIT_SUCCESS;
+}
diff --git a/src/xinput.c b/src/xinput.c
index ac9c65f..b1cd0a3 100644
--- a/src/xinput.c
+++ b/src/xinput.c
@@ -114,6 +114,10 @@ static entry drivers[] =
       "<device>",
       watch_props
     },
+    { "delete-prop",
+      "<device> <property>",
+      delete_prop
+    },
 #endif
     {0, 0, 0
     }
diff --git a/src/xinput.h b/src/xinput.h
index 9b017ba..d7a5104 100644
--- a/src/xinput.h
+++ b/src/xinput.h
@@ -245,4 +245,15 @@ watch_props(
 #endif
 );
 
+int
+delete_prop(
+#if NeedFunctionPrototypes
+		 Display*	display,
+		 int		argc,
+		 char		*argv[],
+		 char		*prog_name,
+		 char		*prog_desc
+#endif
+);
+
 /* end of xinput.h */