Linux Audio

Check our new training course

Loading...
/*
 * console_struct.h
 *
 * Data structure describing single virtual console except for data
 * used by vt.c.
 *
 * Fields marked with [#] must be set by the low-level driver.
 * Fields marked with [!] can be changed by the low-level driver
 * to achieve effects such as fast scrolling by changing the origin.
 */

#define NPAR 16

struct vc_data {
	unsigned short	vc_num;			/* Console number */
	unsigned int	vc_cols;		/* [#] Console size */
	unsigned int	vc_rows;
	unsigned int	vc_size_row;		/* Bytes per row */
	struct consw	*vc_sw;
	unsigned short	*vc_screenbuf;		/* In-memory character/attribute buffer */
	unsigned int	vc_screenbuf_size;
	unsigned short	vc_video_erase_char;	/* Background erase character */
	unsigned char	vc_attr;		/* Current attributes */
	unsigned char	vc_def_color;		/* Default colors */
	unsigned char	vc_color;		/* Foreground & background */
	unsigned char	vc_s_color;		/* Saved foreground & background */
	unsigned char	vc_ulcolor;		/* Color for underline mode */
	unsigned char	vc_halfcolor;		/* Color for half intensity mode */
	unsigned short	vc_complement_mask;	/* [#] Xor mask for mouse pointer */
	unsigned short	vc_hi_font_mask;	/* [#] Attribute set for upper 256 chars of font or 0 if not supported */
	unsigned int	vc_x, vc_y;		/* Cursor position */
	unsigned int	vc_top, vc_bottom;	/* Scrolling region */
	unsigned int	vc_state;		/* Escape sequence parser state */
	unsigned int	vc_npar,vc_par[NPAR];	/* Parameters of current escape sequence */
	unsigned long	vc_origin;		/* [!] Start of real screen */
	unsigned long	vc_scr_end;		/* [!] End of real screen */
	unsigned long	vc_visible_origin;	/* [!] Top of visible window */
	unsigned long	vc_pos;			/* Cursor address */
	unsigned int	vc_saved_x;
	unsigned int	vc_saved_y;
	/* mode flags */
	unsigned int	vc_charset	: 1;	/* Character set G0 / G1 */
	unsigned int	vc_s_charset	: 1;	/* Saved character set */
	unsigned int	vc_disp_ctrl	: 1;	/* Display chars < 32? */
	unsigned int	vc_toggle_meta	: 1;	/* Toggle high bit? */
	unsigned int	vc_decscnm	: 1;	/* Screen Mode */
	unsigned int	vc_decom	: 1;	/* Origin Mode */
	unsigned int	vc_decawm	: 1;	/* Autowrap Mode */
	unsigned int	vc_deccm	: 1;	/* Cursor Visible */
	unsigned int	vc_decim	: 1;	/* Insert Mode */
	unsigned int	vc_deccolm	: 1;	/* 80/132 Column Mode */
	/* attribute flags */
	unsigned int	vc_intensity	: 2;	/* 0=half-bright, 1=normal, 2=bold */
	unsigned int	vc_underline	: 1;
	unsigned int	vc_blink	: 1;
	unsigned int	vc_reverse	: 1;
	unsigned int	vc_s_intensity	: 2;	/* saved rendition */
	unsigned int	vc_s_underline	: 1;
	unsigned int	vc_s_blink	: 1;
	unsigned int	vc_s_reverse	: 1;
	/* misc */
	unsigned int	vc_ques		: 1;
	unsigned int	vc_need_wrap	: 1;
	unsigned int	vc_can_do_color	: 1;
	unsigned int	vc_report_mouse : 2;
	unsigned int	vc_kmalloced	: 1;
	unsigned char	vc_utf		: 1;	/* Unicode UTF-8 encoding */
	unsigned char	vc_utf_count;
		 int	vc_utf_char;
	unsigned int	vc_tab_stop[5];		/* Tab stops. 160 columns. */
	unsigned char   vc_palette[16*3];       /* Colour palette for VGA+ */
	unsigned short * vc_translate;
	unsigned char 	vc_G0_charset;
	unsigned char 	vc_G1_charset;
	unsigned char 	vc_saved_G0;
	unsigned char 	vc_saved_G1;
	unsigned int	vc_bell_pitch;		/* Console bell pitch */
	unsigned int	vc_bell_duration;	/* Console bell duration */
	unsigned int	vc_cursor_type;
	struct vc_data **vc_display_fg;		/* [!] Ptr to var holding fg console for this display */
	unsigned long	vc_uni_pagedir;
	unsigned long	*vc_uni_pagedir_loc;  /* [!] Location of uni_pagedir variable for this console */
	/* additional information is in vt_kern.h */
};

struct vc {
	struct vc_data *d;

	/* might add  scrmem, vt_struct, kbd  at some time,
	   to have everything in one place - the disadvantage
	   would be that vc_cons etc can no longer be static */
};

extern struct vc vc_cons [MAX_NR_CONSOLES];

#define CUR_DEF		0
#define CUR_NONE	1
#define CUR_UNDERLINE	2
#define CUR_LOWER_THIRD	3
#define CUR_LOWER_HALF	4
#define CUR_TWO_THIRDS	5
#define CUR_BLOCK	6
#define CUR_HWMASK	0x0f
#define CUR_SWMASK	0xfff0

#define CUR_DEFAULT CUR_UNDERLINE
pFad - Phonifier reborn

Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.

Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.


Alternative Proxies:

Alternative Proxy

pFad Proxy

pFad v3 Proxy

pFad v4 Proxy