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