DragonFly On-Line Manual Pages

EZ_GetScrollbarState(3)         EZWGL Functions        EZ_GetScrollbarState(3)

NAME
       EZ_GetScrollbarState,  EZ_UpdateScrollbar - set and get the states of a
       scroll bar

SYNOPSIS
       #include <EZ.h>

       void EZ_GetScrollbarState(EZ_Widget *scrollbar,
             int *totalsize_ret, int *pagesize_ret, int *start_ret)

       void EZ_UpdateScrollbar(EZ_Widget *scrollbar,
              int totalsize, int pagesize, int start)

ARGUMENTS
       scrollbar  Specifies a scrollbar widget.

       totalsize_ret  Specifies a return for the total size of the object
       controlled by the scrollbar.

       pagesize_ret  Specifies a return for the page size.

       start_ret  Specifies a return for the start position.

       totalsize  Specifies a the total size of the object controlled by the
       scrollbar.

       pagesize  Specifies the page size.

       start  Specifies the start position.

DESCRIPTION
       A scrollbar controls the portion of an object to be displayed in a
       widget window. The state of a scrollbar consists of three parameters:
       The total size of the object, the page size of the widget window and
       the starting location of the displayed page relative to the starting
       point of the object. The displayed page is the segment
            [start, start+pagesize]
       in object.

       EZ_GetScrollbarState returns the state of a scrollbar.

       EZ_UpdateScrollbar sets the state of a scrollbar.

SEE ALSO
       EZ_CreateWidget(3)

EZWGL                                                  EZ_GetScrollbarState(3)