Add --id-only flag for 'xinput list'.

The default output of xinput list is hard to parse by scripts. Provide a
--id-only option to print the device ID only, without any other
information.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Dirk Wallenstein <halsmit@t-online.de>
Tested-by: Dirk Wallenstein <halsmit@t-online.de>

diff --git a/man/xinput.man b/man/xinput.man
index 035becc..9d7e9a7 100644 (file)
--- a/man/xinput.man
+++ b/man/xinput.man
@@ -17,7 +17,7 @@ of the program and the version supported by the server. This option does not
 require a device name.
 .PP
 .TP 8
 require a device name.
 .PP
 .TP 8

-.B --list [--short || --long || --name-only] [\fIdevice\fP]
+.B --list [--short || --long || --name-only || --id-only] [\fIdevice\fP]

 If no argument is given list all the input devices. If an argument is given,
 show all the features of \fIdevice\fP.
 If --long is provided, the output includes detailed information about the
 If no argument is given list all the input devices. If an argument is given,
 show all the features of \fIdevice\fP.
 If --long is provided, the output includes detailed information about the


@@ -26,6 +26,9 @@ device names and some minimal information is listed.
 If --name-only is provided, the output is limited to the device names. One
 device name is listed per line. Note that the order the devices are listed
 is undefined.
 If --name-only is provided, the output is limited to the device names. One
 device name is listed per line. Note that the order the devices are listed
 is undefined.

+If --id-only is provided, the output is limited to the device IDs. One
+device ID is listed per line. Note that the order the devices are listed is
+undefined.

 .PP
 .TP 8
 .B --get-feedbacks \fIdevice\fP
 .PP
 .TP 8
 .B --get-feedbacks \fIdevice\fP

diff --git a/src/list.c b/src/list.c
index 0e6f9be..ca3c6bf 100644 (file)
--- a/src/list.c
+++ b/src/list.c
@@ -27,7 +27,8 @@
 enum print_format {
     FORMAT_SHORT,
     FORMAT_LONG,
 enum print_format {
     FORMAT_SHORT,
     FORMAT_LONG,

-    FORMAT_NAME
+    FORMAT_NAME,
+    FORMAT_ID,

 };
 
 
 };
 
 


@@ -45,6 +46,10 @@ print_info(Display* dpy, XDeviceInfo *info, enum print_format format)
     {
         printf("%s\n", info->name);
         return;
     {
         printf("%s\n", info->name);
         return;

+    } else if (format == FORMAT_ID)
+    {
+        printf("%ld\n", info->id);
+        return;

     }
 
     printf("\"%s\"\tid=%ld\t[", info->name, info->id);
     }
 
     printf("\"%s\"\tid=%ld\t[", info->name, info->id);


@@ -203,6 +208,10 @@ print_info_xi2(Display* display, XIDeviceInfo *dev, enum print_format format)
     {
         printf("%s\n", dev->name);
         return;
     {
         printf("%s\n", dev->name);
         return;

+    } else if (format == FORMAT_ID)
+    {
+        printf("%d\n", dev->deviceid);
+        return;

     }
 
     printf("%-40s\tid=%d\t[", dev->name, dev->deviceid);
     }
 
     printf("%-40s\tid=%d\t[", dev->name, dev->deviceid);


@@ -317,6 +326,8 @@ list(Display        *display,
             format = FORMAT_LONG;
         else if (strcmp(argv[0], "--name-only") == 0)
             format = FORMAT_NAME;
             format = FORMAT_LONG;
         else if (strcmp(argv[0], "--name-only") == 0)
             format = FORMAT_NAME;

+        else if (strcmp(argv[0], "--id-only") == 0)
+            format = FORMAT_ID;

         arg_dev++;
     }
 
         arg_dev++;
     }
 

diff --git a/src/xinput.c b/src/xinput.c
index 86c163e..a20f856 100644 (file)
--- a/src/xinput.c
+++ b/src/xinput.c
@@ -68,7 +68,7 @@ static entry drivers[] =
      set_mode
     },
     {"list",
      set_mode
     },
     {"list",

-     "[--short || --long || --name-only] [<device name>...]",
+     "[--short || --long || --name-only || --id-only] [<device name>...]",

      list
     },
     {"query-state",
      list
     },
     {"query-state",