Remove UndisplayCursor API.

We can achieve the same thing by simply displaying a NullCursor, there's no
need for a separate API.

dix/devices.c

@@ -854,9 +854,7 @@ UndisplayDevices()
     ScreenPtr screen = screenInfo.screens[0];
 
     for (dev = inputInfo.devices; dev; dev = dev->next)
-    {
-        screen->UndisplayCursor(dev, screen);
-    }
+        screen->DisplayCursor(dev, screen, NullCursor);
 }
 
 /**
@@ -887,7 +885,7 @@ RemoveDevice(DeviceIntPtr dev)
         return BadImplementation;
 
     initialized = dev->inited;
-    screen->UndisplayCursor(dev, screen);
+    screen->DisplayCursor(dev, screen, NullCursor);
 
     deviceid = dev->id;
     DisableDevice(dev);

hw/xfree86/ramdac/xf86Cursor.c

@@ -38,8 +38,7 @@ static miPointerSpriteFuncRec xf86CursorSpriteFuncs = {
    xf86CursorSetCursor,
    xf86CursorMoveCursor,
    xf86DeviceCursorInitialize,
-   xf86DeviceCursorCleanup,
-   xf86DeviceCursorUndisplay
+   xf86DeviceCursorCleanup
 };
 
 /* Screen functions */
@@ -504,16 +503,3 @@ xf86DeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
     (*ScreenPriv->spriteFuncs->DeviceCursorCleanup)(pDev, pScreen);
 }
 
-/**
- * Called on server shutdown to remove all cursors from the screen before
- * bringing the server down.
- */
-static void
-xf86DeviceCursorUndisplay(DeviceIntPtr pDev, ScreenPtr pScreen)
-{
-    xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate(
-            &pScreen->devPrivates, xf86CursorScreenKey);
-
-    /* Undisplay SW cursor */
-    (*ScreenPriv->spriteFuncs->UndisplayCursor)(pDev, pScreen);
-}

include/scrnintstr.h

@@ -440,10 +440,6 @@ typedef    void (* MarkUnrealizedWindowProcPtr)(
 	WindowPtr /*pWin*/,
 	Bool /*fromConfigure*/);
 
-typedef    void (* UndisplayCursorProcPtr)(
-        DeviceIntPtr /* pDev */,
-        ScreenPtr    /* pScreen */);
-
 typedef    Bool (* DeviceCursorInitializeProcPtr)(
         DeviceIntPtr /* pDev */,
         ScreenPtr    /* pScreen */);
@@ -601,7 +597,6 @@ typedef struct _Screen {
     MarkUnrealizedWindowProcPtr	MarkUnrealizedWindow;
 
     /* Device cursor procedures */
-    UndisplayCursorProcPtr        UndisplayCursor;
     DeviceCursorInitializeProcPtr DeviceCursorInitialize;
     DeviceCursorCleanupProcPtr    DeviceCursorCleanup;
 } ScreenRec;

mi/mipointer.c

@@ -60,7 +60,6 @@ static Bool miPointerUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
                                      CursorPtr pCursor);
 static Bool miPointerDisplayCursor(DeviceIntPtr pDev, ScreenPtr pScreen, 
                                    CursorPtr pCursor);
-static void miPointerUndisplayCursor(DeviceIntPtr pDev, ScreenPtr pScreen);
 static void miPointerConstrainCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
                                      BoxPtr pBox); 
 static void miPointerPointerNonInterestBox(DeviceIntPtr pDev, 
@@ -113,8 +112,6 @@ miPointerInitialize (pScreen, spriteFuncs, screenFuncs, waitForUpdate)
     pScreen->ConstrainCursor = miPointerConstrainCursor;
     pScreen->CursorLimits = miPointerCursorLimits;
     pScreen->DisplayCursor = miPointerDisplayCursor;
-    pScreen->UndisplayCursor = miPointerUndisplayCursor;
-    pScreen->UndisplayCursor = miPointerUndisplayCursor;
     pScreen->RealizeCursor = miPointerRealizeCursor;
     pScreen->UnrealizeCursor = miPointerUnrealizeCursor;
     pScreen->SetCursorPosition = miPointerSetCursorPosition;
@@ -212,16 +209,6 @@ miPointerDisplayCursor (pDev, pScreen, pCursor)
     return TRUE;
 }
 
-static void
-miPointerUndisplayCursor(pDev, pScreen)
-    DeviceIntPtr pDev;
-    ScreenPtr 	 pScreen;
-{
-    SetupScreen(pScreen);
-    if (pDev->isMaster && pDev->spriteInfo->spriteOwner)
-        (*pScreenPriv->spriteFuncs->UndisplayCursor)(pDev, pScreen);
-}
-
 static void
 miPointerConstrainCursor (pDev, pScreen, pBox)
     DeviceIntPtr pDev;

mi/mipointer.h

@@ -62,10 +62,6 @@ typedef struct _miPointerSpriteFuncRec {
                     DeviceIntPtr /* pDev */,
                     ScreenPtr /* pScr */
                     );
-    void        (*UndisplayCursor)(
-                    DeviceIntPtr /* pDev */,
-                    ScreenPtr /* pScr */
-                    );
 } miPointerSpriteFuncRec, *miPointerSpriteFuncPtr;
 
 typedef struct _miPointerScreenFuncRec {

mi/misprite.c

@@ -125,7 +125,6 @@ static void miSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
                               CursorPtr pCursor, int x, int y);
 static void miSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, 
                                int x, int y);
-static void miSpriteUndisplayCursor(DeviceIntPtr pDev, ScreenPtr pScreen);
 
 _X_EXPORT miPointerSpriteFuncRec miSpritePointerFuncs = {
     miSpriteRealizeCursor,
@@ -134,7 +133,6 @@ _X_EXPORT miPointerSpriteFuncRec miSpritePointerFuncs = {
     miSpriteMoveCursor,
     miSpriteDeviceCursorInitialize,
     miSpriteDeviceCursorCleanup,
-    miSpriteUndisplayCursor
 };
 
 /*
@@ -911,23 +909,6 @@ miSpriteDeviceCursorCleanup(pDev, pScreen)
     }
 }
 
-static void
-miSpriteUndisplayCursor(pDev, pScreen)
-    DeviceIntPtr pDev;
-    ScreenPtr    pScreen;
-{
-    miCursorInfoPtr pCursorInfo;
-
-    if (!pDev->isMaster && !pDev->u.master)
-    {
-        ErrorF("[mi] miSpriteUndisplayCursor called for floating device.\n");
-        return;
-    }
-    pCursorInfo = MISPRITE(pDev);
-    if (pCursorInfo && pCursorInfo->isUp)
-        miSpriteRemoveCursor(pDev, pScreen);
-}
-
 /*
  * undraw/draw cursor
  */