path: root/src/hci/mucurses/winattrs.c

#include <curses.h>

/**
 * Turn off attributes in a window
 *
 * @v win	subject window
 * @v attrs	attributes to enable
 * @ret rc	return status code
 */
int wattroff ( WINDOW *win, int attrs ) {
	win->attrs &= ~attrs;
	return OK;
}

/**
 * Turn on attributes in a window
 *
 * @v win	subject window
 * @v attrs	attributes to enable
 * @ret rc	return status code
 */
int wattron ( WINDOW *win, int attrs ) {
	win->attrs |= attrs;
	return OK;
}

/**
 * Set attributes in a window
 *
 * @v win	subject window
 * @v attrs	attributes to enable
 * @ret rc	return status code
 */
int wattrset ( WINDOW *win, int attrs ) {
	win->attrs = ( attrs | ( win->attrs & A_COLOR ) );
	return OK;
}

/**
 * Get attributes and colour pair information
 *
 * @v *win	window to obtain information from
 * @v *attrs	address in which to store attributes
 * @v *pair	address in which to store colour pair
 * @v *opts	undefined (for future implementation)
 * @ret rc	return status cude
 */
int wattr_get ( WINDOW *win, attr_t *attrs, short *pair, 
		void *opts __unused ) {
	*attrs = win->attrs & A_ATTRIBUTES;
	*pair = (short)(( win->attrs & A_COLOR ) >> CPAIR_SHIFT);
	return OK;
}

/**
 * Turn off attributes in a window
 *
 * @v *win	subject window
 * @v attrs	attributes to toggle
 * @v *opts	undefined (for future implementation)
 * @ret rc	return status code
 */
int wattr_off ( WINDOW *win, attr_t attrs, 
		void *opts __unused ) {
	wattroff( win, attrs );
	return OK;
}

/**
 * Turn on attributes in a window
 *
 * @v *win	subject window
 * @v attrs	attributes to toggle
 * @v *opts	undefined (for future implementation)
 * @ret rc	return status code
 */
int wattr_on ( WINDOW *win, attr_t attrs, 
	       void *opts __unused ) {
	wattron( win, attrs );
	return OK;
}

/**
 * Set attributes and colour pair information in a window
 *
 * @v *win	subject window
 * @v attrs	attributes to set
 * @v cpair	colour pair to set
 * @v *opts	undefined (for future implementation)
 * @ret rc	return status code
 */
int wattr_set ( WINDOW *win, attr_t attrs, short cpair, 
		void *opts __unused ) {
	wattrset( win, attrs | ( ( (unsigned short)cpair ) << CPAIR_SHIFT ) );
	return OK;
}

/**
 * Set colour pair for a window
 *
 * @v *win			subject window
 * @v colour_pair_number	colour pair integer
 * @v *opts			undefined (for future implementation)
 * @ret rc			return status code
 */
int wcolour_set ( WINDOW *win, short colour_pair_number, 
		  void *opts __unused ) {
	if ( ( unsigned short )colour_pair_number > COLORS )
		return ERR;

	win->attrs = ( (unsigned short)colour_pair_number << CPAIR_SHIFT ) |
		( win->attrs & A_ATTRIBUTES );
	return OK;
}