XDefineCursor(3X11)

Name

XDefineCursor, XUndefineCursor − define cursors

Syntax

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

XUndefineCursor(display, w)
Display *display;
Window w;

Arguments

cursorSpecifies the cursor that is to be displayed or None.

displaySpecifies the connection to the X server.

wSpecifies 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 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.

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