XtUnmapWidget() XtUnmapWidget()
Name
XtUnmapWidget - unmap a widget explicitly.
Synopsis
XtUnmapWidget(w)
Widget w;
Inputs
w Specifies the widget to be unmapped; must be of class core or any subclass thereof.
Description
XtUnmapWidget() unmaps a widget's window from its display, causing it to become invisible. The widget remains under the geometry manage-
ment of its parent, and will continue to have screen space allocated for it.
Usage
Most widgets are automatically mapped when they are managed, as controlled by the
XtNmappedWhenManaged resource. Widgets that are not mapped automatically can be mapped and unmapped explicitly with XtMapWidget() and
XtUnmapWidget().
Unmanaging a widget, rather than unmapping it, is the usual method for temporarily removing a widget from the display.
See AlsoXtMapWidget(1), XtSetMappedWhenManaged(1), XtUnmanageChild(1).
Xt - Widget Lifecycle XtUnmapWidget()
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XtUnmanageChildren() XtUnmanageChildren()
Name
XtUnmanageChildren - remove a list of children from a parent widget's managed list.
Synopsis
void XtUnmanageChildren(children, num_children)
WidgetList children;
Cardinal num_children;
Inputs
children Specifies an array of child widgets. Each child must be of class RectObj or any subclass thereof.
num_children
Specifies the number of elements in children.
Description
XtUnmanageChildren() unmaps the specified widgets and removes them from their parent's geometry management. The widgets will disappear
from the screen, and (depending on its parent) may no longer have screen space allocated for them.
Each of the widgets in the children array must have the same parent.
See the "Algorithm" section below for full details of the widget unmanagement procedure.
Usage
Unmanaging widgets is the usual method for temporarily making them invisible. They can be re-managed with XtManageChildren().
You can unmap a widget, but leave it under geometry management by calling XtUnmapWidget(). You can destroy a widget's window without
destroying the widget by calling XtUnrealizeWidget(). You can destroy a widget completely with XtDestroyWidget().
If you are only going to unmanage a single widget, it is more convenient to call XtUnmanageChild(). It is often more convenient to call
XtUnmanageChild() several times than it is to declare and initialize an array of widgets to pass to XtUnmanageChildren(). Calling XtUnman-
ageChildren() is more efficient, however, because it only calls the parent's change_managed() method once.
Algorithm
XtUnmanageChildren() performs the following:
o Issues an error if the children do not all have the same parent or if the parent is not a subclass of compositeWidgetClass.
o Returns immediately if the common parent is being destroyed; otherwise, for each unique child on the list, XtUnmanageChildren() performs
the following:
- Ignores the child if it already is unmanaged or is being destroyed.
- Otherwise, if the child is realized, it makes it nonvisible by unmapping it.
o Calls the change_managed() method of the widgets' parent if the parent is realized.
Structures
The WidgetList type is simply an array of widgets:
typedef Widget *WidgetList;
See AlsoXtDestroyWidget(1), XtIsManaged(1), XtManageChild(1), XtManageChildren(1), XtUnmanageChild(1).
Xt - Geometry Management XtUnmanageChildren()
Introduction
I have seen some misinformation regarding Unix file permissions. I will try to set the record straight. Take a look at this example of some output from ls:
$ ls -ld /usr/bin /usr/bin/cat
drwxrwxr-x 3 root bin 8704 Sep 23 2004 /usr/bin
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Hi ,
I have to use HP-unix OS to get difference between 2 files.while i tried a piece of code in other OS(linux/unix) as below, it worked fine & the output is desired one.
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hi folks,
how to using tar with exclude directory and compress it using tar.Z
i only know how to exclude dir only with this command below:
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