ad1aca0634
library use later on - some small mods to existing functions
116 lines
2.6 KiB
C
116 lines
2.6 KiB
C
#include <curses.h>
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/**
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* Turn off attributes in a window
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*
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* @v win subject window
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* @v attrs attributes to enable
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* @ret rc return status code
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*/
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int wattroff ( WINDOW *win, int attrs ) {
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win->attrs &= ~attrs;
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return OK;
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}
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/**
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* Turn on attributes in a window
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*
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* @v win subject window
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* @v attrs attributes to enable
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* @ret rc return status code
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*/
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int wattron ( WINDOW *win, int attrs ) {
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win->attrs |= attrs;
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return OK;
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}
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/**
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* Set attributes in a window
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*
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* @v win subject window
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* @v attrs attributes to enable
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* @ret rc return status code
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*/
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int wattrset ( WINDOW *win, int attrs ) {
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win->attrs = ( attrs | ( win->attrs & A_COLOR ) );
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return OK;
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}
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/**
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* Get attributes and colour pair information
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*
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* @v *win window to obtain information from
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* @v *attrs address in which to store attributes
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* @v *pair address in which to store colour pair
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* @v *opts undefined (for future implementation)
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* @ret rc return status cude
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*/
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int wattr_get ( WINDOW *win, attr_t *attrs, short *pair,
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void *opts __unused ) {
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*attrs = win->attrs & A_ATTRIBUTES;
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*pair = (short)(( win->attrs & A_COLOR ) >> CPAIR_SHIFT);
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return OK;
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}
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/**
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* Turn off attributes in a window
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*
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* @v *win subject window
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* @v attrs attributes to toggle
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* @v *opts undefined (for future implementation)
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* @ret rc return status code
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*/
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int wattr_off ( WINDOW *win, attr_t attrs,
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void *opts __unused ) {
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wattroff( win, attrs );
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return OK;
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}
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/**
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* Turn on attributes in a window
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*
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* @v *win subject window
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* @v attrs attributes to toggle
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* @v *opts undefined (for future implementation)
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* @ret rc return status code
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*/
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int wattr_on ( WINDOW *win, attr_t attrs,
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void *opts __unused ) {
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wattron( win, attrs );
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return OK;
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}
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/**
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* Set attributes and colour pair information in a window
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*
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* @v *win subject window
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* @v attrs attributes to set
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* @v cpair colour pair to set
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* @v *opts undefined (for future implementation)
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* @ret rc return status code
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*/
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int wattr_set ( WINDOW *win, attr_t attrs, short cpair,
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void *opts __unused ) {
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wattrset( win, attrs | ( ( (unsigned short)cpair ) << CPAIR_SHIFT ) );
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return OK;
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}
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/**
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* Set colour pair for a window
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*
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* @v *win subject window
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* @v colour_pair_number colour pair integer
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* @v *opts undefined (for future implementation)
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* @ret rc return status code
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*/
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int wcolour_set ( WINDOW *win, short colour_pair_number,
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void *opts __unused ) {
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if ( ( unsigned short )colour_pair_number > COLORS )
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return ERR;
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win->attrs = ( (unsigned short)colour_pair_number << CPAIR_SHIFT ) |
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( win->attrs & A_ATTRIBUTES );
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return OK;
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}
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