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Annotation of qemu/roms/ipxe/src/hci/mucurses/winattrs.c, revision 1.1

1.1     ! root        1: #include <curses.h>
        !             2: 
        !             3: /** @file
        !             4:  *
        !             5:  * MuCurses window attribute functions
        !             6:  *
        !             7:  */
        !             8: 
        !             9: FILE_LICENCE ( GPL2_OR_LATER );
        !            10: 
        !            11: /**
        !            12:  * Get the background rendition attributes for a window
        !            13:  *
        !            14:  * @v *win     subject window
        !            15:  * @ret ch     chtype rendition representation
        !            16:  */
        !            17: inline chtype getbkgd ( WINDOW *win ) {
        !            18:        return win->attrs;
        !            19: }
        !            20: 
        !            21: /**
        !            22:  * Turn off attributes in a window
        !            23:  *
        !            24:  * @v win      subject window
        !            25:  * @v attrs    attributes to enable
        !            26:  * @ret rc     return status code
        !            27:  */
        !            28: int wattroff ( WINDOW *win, int attrs ) {
        !            29:        win->attrs &= ~attrs;
        !            30:        return OK;
        !            31: }
        !            32: 
        !            33: /**
        !            34:  * Turn on attributes in a window
        !            35:  *
        !            36:  * @v win      subject window
        !            37:  * @v attrs    attributes to enable
        !            38:  * @ret rc     return status code
        !            39:  */
        !            40: int wattron ( WINDOW *win, int attrs ) {
        !            41:        win->attrs |= attrs;
        !            42:        return OK;
        !            43: }
        !            44: 
        !            45: /**
        !            46:  * Set attributes in a window
        !            47:  *
        !            48:  * @v win      subject window
        !            49:  * @v attrs    attributes to enable
        !            50:  * @ret rc     return status code
        !            51:  */
        !            52: int wattrset ( WINDOW *win, int attrs ) {
        !            53:        win->attrs = ( attrs | ( win->attrs & A_COLOR ) );
        !            54:        return OK;
        !            55: }
        !            56: 
        !            57: /**
        !            58:  * Get attributes and colour pair information
        !            59:  *
        !            60:  * @v *win     window to obtain information from
        !            61:  * @v *attrs   address in which to store attributes
        !            62:  * @v *pair    address in which to store colour pair
        !            63:  * @v *opts    undefined (for future implementation)
        !            64:  * @ret rc     return status cude
        !            65:  */
        !            66: int wattr_get ( WINDOW *win, attr_t *attrs, short *pair, 
        !            67:                void *opts __unused ) {
        !            68:        *attrs = win->attrs & A_ATTRIBUTES;
        !            69:        *pair = PAIR_NUMBER ( win->attrs );
        !            70:        return OK;
        !            71: }
        !            72: 
        !            73: /**
        !            74:  * Turn off attributes in a window
        !            75:  *
        !            76:  * @v *win     subject window
        !            77:  * @v attrs    attributes to toggle
        !            78:  * @v *opts    undefined (for future implementation)
        !            79:  * @ret rc     return status code
        !            80:  */
        !            81: int wattr_off ( WINDOW *win, attr_t attrs, 
        !            82:                void *opts __unused ) {
        !            83:        wattroff( win, attrs );
        !            84:        return OK;
        !            85: }
        !            86: 
        !            87: /**
        !            88:  * Turn on attributes in a window
        !            89:  *
        !            90:  * @v *win     subject window
        !            91:  * @v attrs    attributes to toggle
        !            92:  * @v *opts    undefined (for future implementation)
        !            93:  * @ret rc     return status code
        !            94:  */
        !            95: int wattr_on ( WINDOW *win, attr_t attrs, 
        !            96:               void *opts __unused ) {
        !            97:        wattron( win, attrs );
        !            98:        return OK;
        !            99: }
        !           100: 
        !           101: /**
        !           102:  * Set attributes and colour pair information in a window
        !           103:  *
        !           104:  * @v *win     subject window
        !           105:  * @v attrs    attributes to set
        !           106:  * @v cpair    colour pair to set
        !           107:  * @v *opts    undefined (for future implementation)
        !           108:  * @ret rc     return status code
        !           109:  */
        !           110: int wattr_set ( WINDOW *win, attr_t attrs, short cpair, 
        !           111:                void *opts __unused ) {
        !           112:        wattrset( win, attrs | COLOUR_PAIR ( cpair ) );
        !           113:        return OK;
        !           114: }
        !           115: 
        !           116: /**
        !           117:  * Set colour pair for a window
        !           118:  *
        !           119:  * @v *win                     subject window
        !           120:  * @v colour_pair_number       colour pair integer
        !           121:  * @v *opts                    undefined (for future implementation)
        !           122:  * @ret rc                     return status code
        !           123:  */
        !           124: int wcolour_set ( WINDOW *win, short colour_pair_number, 
        !           125:                  void *opts __unused ) {
        !           126:        if ( ( unsigned short )colour_pair_number > COLOUR_PAIRS )
        !           127:                return ERR;
        !           128: 
        !           129:        win->attrs = ( ( win->attrs & A_ATTRIBUTES ) |
        !           130:                       COLOUR_PAIR ( colour_pair_number ) );
        !           131:        return OK;
        !           132: }
        !           133: 

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