input: Add labels to buttons and valuators - ABI_XINPUT_VERSION 7

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

Xi/exevents.c

@@ -1153,7 +1153,7 @@ InitProximityClassDeviceStruct(DeviceIntPtr dev)
  * @see InitValuatorClassDeviceStruct
  */
 void
-InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, int minval, int maxval,
+InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, int maxval,
 		       int resolution, int min_res, int max_res)
 {
     AxisInfoPtr ax;
@@ -1170,6 +1170,7 @@ InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, int minval, int maxval,
     ax->resolution = resolution;
     ax->min_resolution = min_res;
     ax->max_resolution = max_res;
+    ax->label = label;
 }
 
 static void

dix/devices.c

@@ -554,16 +554,33 @@ CoreKeyboardProc(DeviceIntPtr pDev, int what)
 static int
 CorePointerProc(DeviceIntPtr pDev, int what)
 {
-    BYTE map[33];
+#define NBUTTONS 32
+#define NAXES 2
+    BYTE map[NBUTTONS + 1];
     int i = 0;
+    Atom btn_labels[NBUTTONS] = {0};
+    Atom axes_labels[NAXES] = {0};
 
     switch (what) {
     case DEVICE_INIT:
-        for (i = 1; i <= 32; i++)
+        for (i = 1; i <= NBUTTONS; i++)
             map[i] = i;
-        if (!InitPointerDeviceStruct((DevicePtr)pDev, map, 32,
+
+	btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
+	btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
+	btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
+	btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP);
+	btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN);
+	btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT);
+	btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT);
+	/* don't know about the rest */
+
+	axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);
+	axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);
+
+        if (!InitPointerDeviceStruct((DevicePtr)pDev, map, NBUTTONS, btn_labels,
                                 (PtrCtrlProcPtr)NoopDDA,
-                                GetMotionHistorySize(), 2))
+                                GetMotionHistorySize(), NAXES, axes_labels))
         {
             ErrorF("Could not initialize device '%s'. Out of memory.\n",
                    pDev->name);
@@ -583,6 +600,9 @@ CorePointerProc(DeviceIntPtr pDev, int what)
     }
 
     return Success;
+
+#undef NBUTTONS
+#undef NAXES
 }
 
 /**
@@ -1133,7 +1153,7 @@ SetKeySymsMap(KeySymsPtr dst, KeySymsPtr src)
 }
 
 _X_EXPORT Bool
-InitButtonClassDeviceStruct(DeviceIntPtr dev, int numButtons,
+InitButtonClassDeviceStruct(DeviceIntPtr dev, int numButtons, Atom* labels,
                             CARD8 *map)
 {
     ButtonClassPtr butc;
@@ -1146,12 +1166,13 @@ InitButtonClassDeviceStruct(DeviceIntPtr dev, int numButtons,
     butc->sourceid = dev->id;
     for (i = 1; i <= numButtons; i++)
 	butc->map[i] = map[i];
+    memcpy(butc->labels, labels, numButtons * sizeof(Atom));
     dev->button = butc;
     return TRUE;
 }
 
 Bool
-InitValuatorClassDeviceStruct(DeviceIntPtr dev, int numAxes,
+InitValuatorClassDeviceStruct(DeviceIntPtr dev, int numAxes, Atom *labels,
                               int numMotionEvents, int mode)
 {
     int i;
@@ -1190,7 +1211,7 @@ InitValuatorClassDeviceStruct(DeviceIntPtr dev, int numAxes,
     AllocateMotionHistory(dev);
 
     for (i=0; i<numAxes; i++) {
-        InitValuatorAxisStruct(dev, i, NO_AXIS_LIMITS, NO_AXIS_LIMITS,
+        InitValuatorAxisStruct(dev, i, labels[i], NO_AXIS_LIMITS, NO_AXIS_LIMITS,
                                0, 0, 0);
 	valc->axisVal[i]=0;
     }
@@ -1459,14 +1480,14 @@ InitIntegerFeedbackClassDeviceStruct (DeviceIntPtr dev, IntegerCtrlProcPtr contr
 }
 
 Bool
-InitPointerDeviceStruct(DevicePtr device, CARD8 *map, int numButtons,
+InitPointerDeviceStruct(DevicePtr device, CARD8 *map, int numButtons, Atom* btn_labels,
                         PtrCtrlProcPtr controlProc, int numMotionEvents,
-                        int numAxes)
+                        int numAxes, Atom *axes_labels)
 {
     DeviceIntPtr dev = (DeviceIntPtr)device;
 
-    return(InitButtonClassDeviceStruct(dev, numButtons, map) &&
+    return(InitButtonClassDeviceStruct(dev, numButtons, btn_labels, map) &&
-	   InitValuatorClassDeviceStruct(dev, numAxes,
+	   InitValuatorClassDeviceStruct(dev, numAxes, axes_labels,
 					 numMotionEvents, 0) &&
 	   InitPtrFeedbackClassDeviceStruct(dev, controlProc));
 }

dix/getevents.c

@@ -214,7 +214,7 @@ CreateClassesChangedEvent(EventList* event,
     {
         dce->buttons.num_buttons = slave->button->numButtons;
         for (i = 0; i < dce->buttons.num_buttons; i++)
-            dce->buttons.names[i] = 0; /* FIXME */
+            dce->buttons.names[i] = slave->button->labels[i];
     }
     if (slave->valuator)
     {
@@ -226,7 +226,7 @@ CreateClassesChangedEvent(EventList* event,
             dce->valuators[i].resolution = slave->valuator->axes[i].resolution;
             /* This should, eventually, be a per-axis mode */
             dce->valuators[i].mode = slave->valuator->mode;
-            dce->valuators[i].name = 0; /* FIXME: */
+            dce->valuators[i].name = slave->valuator->axes[i].label;
         }
     }
     if (slave->key)

hw/kdrive/src/kinput.c

@@ -46,6 +46,7 @@
 #include "exevents.h"
 #include "extinit.h"
 #include "exglobals.h"
+#include "xserver-properties.h"
 
 #define AtomFromName(x) MakeAtom(x, strlen(x), 1)
 
@@ -382,6 +383,8 @@ KdPointerProc(DeviceIntPtr pDevice, int onoff)
     DevicePtr       pDev = (DevicePtr)pDevice;
     KdPointerInfo   *pi;
     Atom            xiclass;
+    Atom            *btn_labels;
+    Atom            *axes_labels;
 
     if (!pDev)
 	return BadImplementation;
@@ -429,9 +432,47 @@ KdPointerProc(DeviceIntPtr pDevice, int onoff)
             return !Success;
         }
 
-	InitPointerDeviceStruct(pDev, pi->map, pi->nButtons,
+	btn_labels = xcalloc(pi->nButtons, sizeof(Atom));
+	if (!btn_labels)
+	    return BadAlloc;
+	axes_labels = xcalloc(pi->nAxes, sizeof(Atom));
+	if (!axes_labels) {
+	    xfree(btn_labels);
+	    return BadAlloc;
+	}
+
+	switch(pi->nAxes)
+	{
+	    default:
+	    case 7:
+		btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT);
+	    case 6:
+		btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT);
+	    case 5:
+		btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN);
+	    case 4:
+		btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP);
+	    case 3:
+		btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
+	    case 2:
+		btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
+	    case 1:
+		btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
+	    case 0:
+		break;
+	}
+
+	if (pi->nAxes >= 2) {
+	    axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);
+	    axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);
+	}
+
+	InitPointerDeviceStruct(pDev, pi->map, pi->nButtons, btn_labels,
 	    (PtrCtrlProcPtr)NoopDDA,
-	    GetMotionHistorySize(), pi->nAxes);
+	    GetMotionHistorySize(), pi->nAxes, axes_labels);
+
+        xfree(btn_labels);
+        xfree(axes_labels);
 
         if (pi->inputClass == KD_TOUCHSCREEN) {
             InitAbsoluteClassDeviceStruct(pDevice);

hw/vfb/InitInput.c

@@ -41,6 +41,8 @@ from The Open Group.
 #include "lk201kbd.h"
 #include "xkbsrv.h"
 #include <X11/keysym.h>
+#include "xserver-properties.h"
+#include "exevents.h"
 
 Bool
 LegalModifier(unsigned int key, DeviceIntPtr pDev)
@@ -87,8 +89,13 @@ vfbKeybdProc(DeviceIntPtr pDevice, int onoff)
 static int
 vfbMouseProc(DeviceIntPtr pDevice, int onoff)
 {
-    BYTE map[4];
+#define NBUTTONS 3
+#define NAXES 2
+
+    BYTE map[NBUTTONS + 1];
     DevicePtr pDev = (DevicePtr)pDevice;
+    Atom btn_labels[NBUTTONS] = {0};
+    Atom axes_labels[NAXES] = {0};
 
     switch (onoff)
     {
@@ -96,8 +103,16 @@ vfbMouseProc(DeviceIntPtr pDevice, int onoff)
 	    map[1] = 1;
 	    map[2] = 2;
 	    map[3] = 3;
-	    InitPointerDeviceStruct(pDev, map, 3,
+
-		(PtrCtrlProcPtr)NoopDDA, GetMotionHistorySize(), 2);
+            btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
+            btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
+            btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
+
+            axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);
+            axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);
+
+	    InitPointerDeviceStruct(pDev, map, NBUTTONS, btn_labels,
+		(PtrCtrlProcPtr)NoopDDA, GetMotionHistorySize(), NAXES, axes_labels);
 	    break;
 
     case DEVICE_ON:
@@ -112,6 +127,9 @@ vfbMouseProc(DeviceIntPtr pDevice, int onoff)
 	break;
     }
     return Success;
+
+#undef NBUTTONS
+#undef NAXES
 }
 
 void

hw/xfree86/common/xf86Module.h

@@ -83,7 +83,7 @@ typedef enum {
  */
 #define ABI_ANSIC_VERSION	SET_ABI_VERSION(0, 4)
 #define ABI_VIDEODRV_VERSION	SET_ABI_VERSION(5, 0)
-#define ABI_XINPUT_VERSION	SET_ABI_VERSION(6, 0)
+#define ABI_XINPUT_VERSION	SET_ABI_VERSION(7, 0)
 #define ABI_EXTENSION_VERSION	SET_ABI_VERSION(2, 0)
 #define ABI_FONT_VERSION	SET_ABI_VERSION(0, 6)
 

hw/xfree86/common/xf86Xinput.c

@@ -1010,13 +1010,13 @@ xf86XInputSetScreen(LocalDevicePtr	local,
 
 
 void
-xf86InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, int minval, int maxval,
+xf86InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, int maxval,
 			   int resolution, int min_res, int max_res)
 {
     if (!dev || !dev->valuator)
         return;
 
-    InitValuatorAxisStruct(dev, axnum, minval, maxval, resolution, min_res,
+    InitValuatorAxisStruct(dev, axnum, label, minval, maxval, resolution, min_res,
 			   max_res);
 }
 

hw/xfree86/common/xf86Xinput.h

@@ -171,7 +171,7 @@ extern _X_EXPORT LocalDevicePtr xf86FirstLocalDevice(void);
 extern _X_EXPORT int xf86ScaleAxis(int Cx, int Sxhigh, int Sxlow, int Rxhigh, int Rxlow);
 extern _X_EXPORT void xf86XInputSetScreen(LocalDevicePtr local, int screen_number, int x, int y);
 extern _X_EXPORT void xf86ProcessCommonOptions(InputInfoPtr pInfo, pointer options);
-extern _X_EXPORT void xf86InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, int minval,
+extern _X_EXPORT void xf86InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval,
 				int maxval, int resolution, int min_res,
 				int max_res);
 extern _X_EXPORT void xf86InitValuatorDefaults(DeviceIntPtr dev, int axnum);

hw/xnest/Pointer.c

@@ -33,6 +33,8 @@ is" without express or implied warranty.
 #include "Pointer.h"
 #include "Args.h"
 
+#include "xserver-properties.h"
+
 DeviceIntPtr xnestPointerDevice = NULL;
 
 void
@@ -46,6 +48,8 @@ int
 xnestPointerProc(DeviceIntPtr pDev, int onoff)
 {
   CARD8 map[MAXBUTTONS];
+  Atom btn_labels[MAXBUTTONS] = {0};
+  Atom axes_labels[2] = {0};
   int nmap;
   int i;
 
@@ -55,9 +59,21 @@ xnestPointerProc(DeviceIntPtr pDev, int onoff)
       nmap = XGetPointerMapping(xnestDisplay, map, MAXBUTTONS);
       for (i = 0; i <= nmap; i++)
 	map[i] = i; /* buttons are already mapped */
-      InitPointerDeviceStruct(&pDev->public, map, nmap,
+
+      btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
+      btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
+      btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
+      btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP);
+      btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN);
+      btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT);
+      btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT);
+
+      axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);
+      axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);
+
+      InitPointerDeviceStruct(&pDev->public, map, nmap, btn_labels,
 			      xnestChangePointerControl,
-			      GetMotionHistorySize(), 2);
+			      GetMotionHistorySize(), 2, axes_labels);
       break;
     case DEVICE_ON: 
       xnestEventMask |= XNEST_POINTER_EVENT_MASK;

hw/xquartz/darwin.c

@@ -51,6 +51,8 @@
 #include "exevents.h"
 #include "extinit.h"
 
+#include "xserver-properties.h"
+
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/syslimits.h>
@@ -336,17 +338,35 @@ static Bool DarwinAddScreen(int index, ScreenPtr pScreen, int argc, char **argv)
  * DarwinMouseProc: Handle the initialization, etc. of a mouse
  */
 static int DarwinMouseProc(DeviceIntPtr pPointer, int what) {
+#define NBUTTONS 7
+#define NAXES 2
 	// 7 buttons: left, right, middle, then four scroll wheel "buttons"
-    CARD8 map[8] = {0, 1, 2, 3, 4, 5, 6, 7};
+    CARD8 map[NBUTTONS + 1] = {0, 1, 2, 3, 4, 5, 6, 7};
+    Atom btn_labels[NAXES] = {0};
+    Atom axes_labels[NBUTTONS] = {0};
 
     switch (what) {
         case DEVICE_INIT:
             pPointer->public.on = FALSE;
 
+            btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
+            btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
+            btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
+            btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP);
+            btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN);
+            btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT);
+            btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT);
+
+            axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);
+            axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);
+
+
             // Set button map.
-            InitPointerDeviceStruct((DevicePtr)pPointer, map, 7,
+            InitPointerDeviceStruct((DevicePtr)pPointer, map, NBUTTONS,
+                                    btn_labels,
                                     (PtrCtrlProcPtr)NoopDDA,
-                                    GetMotionHistorySize(), 2);
+                                    GetMotionHistorySize(), NAXES,
+                                    axes_labels);
             pPointer->valuator->mode = Absolute; // Relative
             InitAbsoluteClassDeviceStruct(pPointer);
 //            InitValuatorAxisStruct(pPointer, 0, 0, XQUARTZ_VALUATOR_LIMIT, 1, 0, 1);
@@ -364,28 +384,43 @@ static int DarwinMouseProc(DeviceIntPtr pPointer, int what) {
     }
     
     return Success;
+#undef NBUTTONS
+#undef NAXES
 }
 
 static int DarwinTabletProc(DeviceIntPtr pPointer, int what) {
-    CARD8 map[4] = {0, 1, 2, 3};
+#define NBUTTONS 3
+#define NAXES 5
+    CARD8 map[NBUTTONS + 1] = {0, 1, 2, 3};
+    Atom axes_labels[NAXES] = {0};
+    Atom btn_labels[NBUTTONS] = {0};
 
     switch (what) {
         case DEVICE_INIT:
             pPointer->public.on = FALSE;
 
+            btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
+            btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
+            btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
+
+            axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_X);
+            axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_Y);
+
             // Set button map.
-            InitPointerDeviceStruct((DevicePtr)pPointer, map, 3,
+            InitPointerDeviceStruct((DevicePtr)pPointer, map, NBUTTONS,
+                                    btn_labels,
                                     (PtrCtrlProcPtr)NoopDDA,
-                                    GetMotionHistorySize(), 5);
+                                    GetMotionHistorySize(), NAXES,
+                                    axes_labels);
             pPointer->valuator->mode = Absolute; // Relative
             InitProximityClassDeviceStruct(pPointer);
 			InitAbsoluteClassDeviceStruct(pPointer);
 
-            InitValuatorAxisStruct(pPointer, 0, 0, XQUARTZ_VALUATOR_LIMIT, 1, 0, 1);
+            InitValuatorAxisStruct(pPointer, 0, axes_labels[0], 0, XQUARTZ_VALUATOR_LIMIT, 1, 0, 1);
-            InitValuatorAxisStruct(pPointer, 1, 0, XQUARTZ_VALUATOR_LIMIT, 1, 0, 1);
+            InitValuatorAxisStruct(pPointer, 1, axes_labels[1], 0, XQUARTZ_VALUATOR_LIMIT, 1, 0, 1);
-            InitValuatorAxisStruct(pPointer, 2, 0, XQUARTZ_VALUATOR_LIMIT, 1, 0, 1);
+            InitValuatorAxisStruct(pPointer, 2, axes_labels[2], 0, XQUARTZ_VALUATOR_LIMIT, 1, 0, 1);
-            InitValuatorAxisStruct(pPointer, 3, -XQUARTZ_VALUATOR_LIMIT, XQUARTZ_VALUATOR_LIMIT, 1, 0, 1);
+            InitValuatorAxisStruct(pPointer, 3, axes_labels[3], -XQUARTZ_VALUATOR_LIMIT, XQUARTZ_VALUATOR_LIMIT, 1, 0, 1);
-            InitValuatorAxisStruct(pPointer, 4, -XQUARTZ_VALUATOR_LIMIT, XQUARTZ_VALUATOR_LIMIT, 1, 0, 1);
+            InitValuatorAxisStruct(pPointer, 4, axes_labels[4], -XQUARTZ_VALUATOR_LIMIT, XQUARTZ_VALUATOR_LIMIT, 1, 0, 1);
 //          pPointer->use = IsXExtensionDevice;
             break;
         case DEVICE_ON:
@@ -399,6 +434,8 @@ static int DarwinTabletProc(DeviceIntPtr pPointer, int what) {
             return Success;
     }
     return Success;
+#undef NBUTTONS
+#undef NAXES
 }
 
 /*

hw/xwin/winmouse.c

@@ -38,6 +38,8 @@
 
 #if defined(XFree86Server)
 #include "inputstr.h"
+#include "exevents.h" /* for button/axes labels */
+#include "xserver-properties.h"
 
 /* Peek the internal button mapping */
 static CARD8 const *g_winMouseButtonMap = NULL;
@@ -70,6 +72,8 @@ winMouseProc (DeviceIntPtr pDeviceInt, int iState)
   int			lngWheelEvents = 2;
   CARD8			*map;
   DevicePtr		pDevice = (DevicePtr) pDeviceInt;
+  Atom *btn_labels;
+  Atom axes_labels[2];
 
   switch (iState)
     {
@@ -97,13 +101,27 @@ winMouseProc (DeviceIntPtr pDeviceInt, int iState)
       map[0] = 0;
       for (i=1; i <= lngMouseButtons + lngWheelEvents; i++)
       	map[i] = i;
+
+      btn_labels = calloc((lngMouseButtons + lngWheelEvents), sizeof(Atom));
+      btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
+      btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
+      btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
+      btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP);
+      btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN);
+
+      axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);
+      axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);
+
       InitPointerDeviceStruct (pDevice,
+			       btn_labels,
 			       map,
 			       lngMouseButtons + lngWheelEvents,
 			       winMouseCtrl,
 			       GetMotionHistorySize(),
-			       2);
+			       2,
+			       axes_labels);
       free(map);
+      free(btn_labels);
 
 #if defined(XFree86Server)
       g_winMouseButtonMap = pDeviceInt->button->map;

include/exevents.h

@@ -73,6 +73,7 @@ extern _X_EXPORT int InitProximityClassDeviceStruct(
 extern _X_EXPORT void InitValuatorAxisStruct(
 	DeviceIntPtr           /* dev */,
 	int                    /* axnum */,
+	Atom                   /* label */,
 	int                    /* minval */,
 	int                    /* maxval */,
 	int                    /* resolution */,

include/input.h

@@ -274,11 +274,13 @@ extern _X_EXPORT Bool SetKeySymsMap(
 extern _X_EXPORT Bool InitButtonClassDeviceStruct(
     DeviceIntPtr /*device*/,
     int /*numButtons*/,
+    Atom* /* labels */,
     CARD8* /*map*/);
 
 extern _X_EXPORT Bool InitValuatorClassDeviceStruct(
     DeviceIntPtr /*device*/,
     int /*numAxes*/,
+    Atom* /* labels */,
     int /*numMotionEvents*/,
     int /*mode*/);
 
@@ -351,9 +353,11 @@ extern _X_EXPORT Bool InitPointerDeviceStruct(
     DevicePtr /*device*/,
     CARD8* /*map*/,
     int /*numButtons*/,
+    Atom* /* btn_labels */,
     PtrCtrlProcPtr /*controlProc*/,
     int /*numMotionEvents*/,
-    int /*numAxes*/);
+    int /*numAxes*/,
+    Atom* /* axes_labels */);
 
 extern _X_EXPORT Bool InitKeyboardDeviceStruct(
     DeviceIntPtr /*device*/,

include/inputstr.h

@@ -215,6 +215,7 @@ typedef struct _AxisInfo {
     int		max_resolution;
     int		min_value;
     int		max_value;
+    Atom	label;
 } AxisInfo, *AxisInfoPtr;
 
 typedef struct _ValuatorAccelerationRec {
@@ -254,6 +255,7 @@ typedef struct _ButtonClassRec {
     CARD8		postdown[DOWN_LENGTH];
     CARD8		map[MAP_LENGTH];
     union _XkbAction    *xkb_acts;
+    Atom		labels[MAX_BUTTONS];
 } ButtonClassRec, *ButtonClassPtr;
 
 typedef struct _FocusClassRec {