Tk_GetUserInactiveTime(3tk) Tk Library Procedures Tk_GetUserInactiveTime(3tk)__________________________________________________________________________________________________________________________________________________NAME
Tk_GetUserInactiveTime, Tk_ResetUserInactiveTime - discover user inactivity time
SYNOPSIS
#include <tk.h>
long
Tk_GetUserInactiveTime(display)
Tk_GetUserInactiveTime(display)
ARGUMENTS
Display *display (in) The display on which the user inactivity timer is to be queried or reset.
_________________________________________________________________DESCRIPTION
Tk_GetUserInactiveTime returns the number of milliseconds that have passed since the last user interaction (usually via keyboard or mouse)
with the respective display. On systems and displays that do not support querying the user inactiviy time, -1 is returned. Tk_GetUserInac-
tiveTime resets the user inactivity timer of the given display to zero. On windowing systems that do not support multiple displays display
can be passed as NULL.
KEYWORDS
idle, inactive
Tk 8.5 Tk_GetUserInactiveTime(3tk)
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Tk_FreeXId(3tk) Tk Library Procedures Tk_FreeXId(3tk)__________________________________________________________________________________________________________________________________________________NAME
Tk_FreeXId - make X resource identifier available for reuse
SYNOPSIS
#include <tk.h>
Tk_FreeXId(display, id)
ARGUMENTS
Display *display (in) Display for which id was allocated.
XID id (in) Identifier of X resource (window, font, pixmap, cursor, graphics context, or colormap) that is no longer in
use.
_________________________________________________________________DESCRIPTION
The default allocator for resource identifiers provided by Xlib is very simple-minded and does not allow resource identifiers to be re-
used. If a long-running application reaches the end of the resource id space, it will generate an X protocol error and crash. Tk replaces
the default id allocator with its own allocator, which allows identifiers to be reused. In order for this to work, Tk_FreeXId must be
called to tell the allocator about resources that have been freed. Tk automatically calls Tk_FreeXId whenever it frees a resource, so if
you use procedures like Tk_GetFont, Tk_GetGC, and Tk_GetPixmap then you need not call Tk_FreeXId. However, if you allocate resources
directly from Xlib, for example by calling XCreatePixmap, then you should call Tk_FreeXId when you call the corresponding Xlib free proce-
dure, such as XFreePixmap. If you do not call Tk_FreeXId then the resource identifier will be lost, which could cause problems if the
application runs long enough to lose all of the available identifiers.
KEYWORDS
resource identifier
Tk 4.0 Tk_FreeXId(3tk)
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