X Version 11 (Release 6.1)

XDefineCursor(X3xlib)

XDefineCursor -- define cursors

Synopsis

   XDefineCursor(display, w, cursor)
         Display *display;
         Window w;
         Cursor cursor;
   
   XUndefineCursor(display, w)
         Display *display;
         Window w;

Arguments

cursor: Specifies the cursor that is to be displayed or None.
display: Specifies the connection to the X server.
w: Specifies the window.

Description

If a cursor is set, it will be used when the pointer is in the window. If the cursor is None, it is equivalent to XUndefineCursor.

XDefineCursor can generate ``BadCursor'' and ``BadWindow'' errors.

The XUndefineCursor function undoes the effect of a previous XDefineCursor for this window. When the pointer is in the window, the parent's cursor will now be used. On the root window, the default cursor is restored.

XUndefineCursor can generate a ``BadWindow'' error.

Diagnostics

``BadAlloc'': The server failed to allocate the requested resource or server memory.
``BadCursor'': A value for a Cursor argument does not name a defined Cursor.
``BadWindow'': A value for a Window argument does not name a defined Window.

References

XCreateFontCursor(X3xlib), XRecolorCursor(X3xlib)
Xlib - C Language X Interface