Input: Add DeleteInputDeviceRequest

Add DIDR, which asks the DDX to remove a device, analogous to
NewInputDeviceRequest.  Only implemented for XFree86 at the moment.

Xi/stubs.c

@@ -230,3 +230,15 @@ NewInputDeviceRequest(InputOption *options)
 {
     return BadValue;
 }
+
+/****************************************************************************
+ *
+ * Caller: configRemoveDevice (and others)
+ *
+ * Remove the specified device previously added.
+ *
+ */
+void
+DeleteInputDeviceRequest(DeviceIntPtr dev)
+{
+}

config/config.c

@@ -212,7 +212,7 @@ configRemoveDevice(DBusMessage *message, DBusMessageIter *iter,
      * already been removed. */
     OsBlockSignals();
     ProcessInputEvents();
-    RemoveDevice(pDev);
+    DeleteInputDeviceRequest(pDev);
     OsReleaseSignals();
 
     return Success;

hw/kdrive/src/kinput.c

@@ -2374,3 +2374,8 @@ NewInputDeviceRequest(InputOption *options)
 
     return Success;
 }
+
+void
+DeleteInputDeviceRequest(DeviceIntPtr pDev)
+{
+}

hw/xfree86/common/xf86Helper.c

@@ -371,8 +371,11 @@ xf86DeleteInput(InputInfoPtr pInp, int flags)
     if (pInp->drv)
 	pInp->drv->refCount--;
 
+    /* This should *really* be handled in drv->UnInit(dev) call instead */
+#if 0
     if (pInp->private)
 	xfree(pInp->private);
+#endif
 
     /* Remove the entry from the list. */
     if (pInp == xf86InputDevs)

hw/xfree86/common/xf86Xinput.c

@@ -427,6 +427,26 @@ unwind:
     return rval;
 }
 
+void
+DeleteInputDeviceRequest(DeviceIntPtr pDev)
+{
+    LocalDevicePtr pInfo = (LocalDevicePtr) pDev->public.devicePrivate;
+    InputDriverPtr drv = pInfo->drv;
+    IDevRec *idev = pInfo->conf_idev;
+
+    RemoveDevice(pDev);
+
+    if(drv->UnInit)
+        drv->UnInit(drv, pInfo, 0);
+    else
+        xf86DeleteInput(pInfo, 0);
+
+    xfree(idev->driver);
+    xfree(idev->identifier);
+    xf86optionListFree(idev->commonOptions);
+    xfree(idev);
+}
+
 /* 
  * convenient functions to post events
  */

include/input.h

@@ -446,6 +446,8 @@ extern DeviceIntPtr LookupDeviceIntRec(
 /* Implemented by the DDX. */
 extern int NewInputDeviceRequest(
     InputOption *options);
+extern void DeleteInputDeviceRequest(
+    DeviceIntPtr dev);
 
 extern void DDXRingBell(
     int volume,