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Volume 7B: XView Reference Manual
book

Volume 7B: XView Reference Manual

by Dan Heller
September 1991
Intermediate to advanced content levelIntermediate to advanced
311 pages
7h 17m
English
O'Reilly Media, Inc.
Content preview from Volume 7B: XView Reference Manual
Figure 1-17. Panel item created with the PANEL_TEXT package
1.13.2 Scrollable Panels
Scrollable panels are not OPEN LOOK-compliant, but are provided for historical reasons.
They are basically just like panels, except that typically not all panel items are in view. A
vertical scrollbar attached to the panel allows the user to navigate to the panel items desired.
Again, because this type of interface is not OPENLOOK-compliant, you are discouraged
from using this package.
Scrollable panels are created the same way panels are, but the package name to use is
SCROLLABLE_PANEL
. However, the scrollable panel package does not create the scrollbars,
you must create them separately.
1.14 The SCREEN Object
An Xv_Screen is associated with virtually all XView objects. To use the Xv_Screen
object, you must include the file <xview/screen.h>. The Xv_Screen object carries useful
information such as the screen number of the root window, all the visuals, the colormap, the
server and so on, that are associated with that screen.
The Xv_Screen object differs from the Screen data structure defined by Xlib and, in fact,
has nothing to do with the X11 Screen data type (defined in <X11/Xlib.h>).
XView Package
Summary
XView Package Summary 23
1.15 The SCROLLBAR Package
Scrollbars are used to change what you view in a subwindow. For instance, in a text subwin-
dow, scrollbars are used to scroll through a document. In a canvas
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Publisher Resources

ISBN: 9780937175880