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/* Public Domain Curses */
#include "pdcx11.h"
RCSID("$Id: sb.c,v 1.27 2008/07/14 04:24:52 wmcbrine Exp $")
/*man-start**************************************************************
Name: sb
Synopsis:
int sb_init(void)
int sb_set_horz(int total, int viewport, int cur)
int sb_set_vert(int total, int viewport, int cur)
int sb_get_horz(int *total, int *viewport, int *cur)
int sb_get_vert(int *total, int *viewport, int *cur)
int sb_refresh(void);
Description:
These functions manipulate the scrollbar.
Return Value:
All functions return OK on success and ERR on error.
Portability X/Open BSD SYS V
sb_init - - -
sb_set_horz - - -
sb_set_vert - - -
sb_get_horz - - -
sb_get_vert - - -
sb_refresh - - -
**man-end****************************************************************/
bool sb_started = FALSE;
/* sb_init() is the sb initialization routine.
This must be called before initscr(). */
int sb_init(void)
{
PDC_LOG(("sb_init() - called\n"));
if (SP)
return ERR;
sb_started = TRUE;
return OK;
}
/* sb_set_horz() - Used to set horizontal scrollbar.
total = total number of columns
viewport = size of viewport in columns
cur = current column in total */
int sb_set_horz(int total, int viewport, int cur)
{
PDC_LOG(("sb_set_horz() - called: total %d viewport %d cur %d\n",
total, viewport, cur));
if (!SP)
return ERR;
SP->sb_total_x = total;
SP->sb_viewport_x = viewport;
SP->sb_cur_x = cur;
return OK;
}
/* sb_set_vert() - Used to set vertical scrollbar.
total = total number of columns on line
viewport = size of viewport in columns
cur = current column in total */
int sb_set_vert(int total, int viewport, int cur)
{
PDC_LOG(("sb_set_vert() - called: total %d viewport %d cur %d\n",
total, viewport, cur));
if (!SP)
return ERR;
SP->sb_total_y = total;
SP->sb_viewport_y = viewport;
SP->sb_cur_y = cur;
return OK;
}
/* sb_get_horz() - Used to get horizontal scrollbar.
total = total number of lines
viewport = size of viewport in lines
cur = current line in total */
int sb_get_horz(int *total, int *viewport, int *cur)
{
PDC_LOG(("sb_get_horz() - called\n"));
if (!SP)
return ERR;
if (total)
*total = SP->sb_total_x;
if (viewport)
*viewport = SP->sb_viewport_x;
if (cur)
*cur = SP->sb_cur_x;
return OK;
}
/* sb_get_vert() - Used to get vertical scrollbar.
total = total number of lines
viewport = size of viewport in lines
cur = current line in total */
int sb_get_vert(int *total, int *viewport, int *cur)
{
PDC_LOG(("sb_get_vert() - called\n"));
if (!SP)
return ERR;
if (total)
*total = SP->sb_total_y;
if (viewport)
*viewport = SP->sb_viewport_y;
if (cur)
*cur = SP->sb_cur_y;
return OK;
}
/* sb_refresh() - Used to draw the scrollbars. */
int sb_refresh(void)
{
PDC_LOG(("sb_refresh() - called\n"));
if (!SP)
return ERR;
XCursesInstruct(CURSES_REFRESH_SCROLLBAR);
return OK;
}
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