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/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2018 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU Lesser General Public License, as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any
* later version. Please see the file LICENSE-LGPL for details.
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*
* Web Page: http://brltty.com/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#ifndef BRLTTY_INCLUDED_SCR_TYPES
#define BRLTTY_INCLUDED_SCR_TYPES
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef enum {
SCR_ATTR_FG_BLUE = 0X01,
SCR_ATTR_FG_GREEN = 0X02,
SCR_ATTR_FG_RED = 0X04,
SCR_ATTR_FG_BRIGHT = 0X08,
SCR_ATTR_BG_BLUE = 0X10,
SCR_ATTR_BG_GREEN = 0X20,
SCR_ATTR_BG_RED = 0X40,
SCR_ATTR_BLINK = 0X80,
SCR_MASK_FG = SCR_ATTR_FG_RED | SCR_ATTR_FG_GREEN | SCR_ATTR_FG_BLUE | SCR_ATTR_FG_BRIGHT,
SCR_MASK_BG = SCR_ATTR_BG_RED | SCR_ATTR_BG_GREEN | SCR_ATTR_BG_BLUE,
SCR_COLOUR_FG_BLACK = 0,
SCR_COLOUR_FG_BLUE = SCR_ATTR_FG_BLUE,
SCR_COLOUR_FG_GREEN = SCR_ATTR_FG_GREEN,
SCR_COLOUR_FG_CYAN = SCR_ATTR_FG_GREEN | SCR_ATTR_FG_BLUE,
SCR_COLOUR_FG_RED = SCR_ATTR_FG_RED,
SCR_COLOUR_FG_MAGENTA = SCR_ATTR_FG_RED | SCR_ATTR_FG_BLUE,
SCR_COLOUR_FG_BROWN = SCR_ATTR_FG_RED | SCR_ATTR_FG_GREEN,
SCR_COLOUR_FG_LIGHT_GREY = SCR_ATTR_FG_RED | SCR_ATTR_FG_GREEN | SCR_ATTR_FG_BLUE,
SCR_COLOUR_FG_DARK_GREY = SCR_ATTR_FG_BRIGHT | SCR_COLOUR_FG_BLACK,
SCR_COLOUR_FG_LIGHT_BLUE = SCR_ATTR_FG_BRIGHT | SCR_COLOUR_FG_BLUE,
SCR_COLOUR_FG_LIGHT_GREEN = SCR_ATTR_FG_BRIGHT | SCR_COLOUR_FG_GREEN,
SCR_COLOUR_FG_LIGHT_CYAN = SCR_ATTR_FG_BRIGHT | SCR_COLOUR_FG_CYAN,
SCR_COLOUR_FG_LIGHT_RED = SCR_ATTR_FG_BRIGHT | SCR_COLOUR_FG_RED,
SCR_COLOUR_FG_LIGHT_MAGENTA = SCR_ATTR_FG_BRIGHT | SCR_COLOUR_FG_MAGENTA,
SCR_COLOUR_FG_YELLOW = SCR_ATTR_FG_BRIGHT | SCR_COLOUR_FG_BROWN,
SCR_COLOUR_FG_WHITE = SCR_ATTR_FG_BRIGHT | SCR_COLOUR_FG_LIGHT_GREY,
SCR_COLOUR_BG_BLACK = 0,
SCR_COLOUR_BG_BLUE = SCR_ATTR_BG_BLUE,
SCR_COLOUR_BG_GREEN = SCR_ATTR_BG_GREEN,
SCR_COLOUR_BG_CYAN = SCR_ATTR_BG_GREEN | SCR_ATTR_BG_BLUE,
SCR_COLOUR_BG_RED = SCR_ATTR_BG_RED,
SCR_COLOUR_BG_MAGENTA = SCR_ATTR_BG_RED | SCR_ATTR_BG_BLUE,
SCR_COLOUR_BG_BROWN = SCR_ATTR_BG_RED | SCR_ATTR_BG_GREEN,
SCR_COLOUR_BG_LIGHT_GREY = SCR_ATTR_BG_RED | SCR_ATTR_BG_GREEN | SCR_ATTR_BG_BLUE,
SCR_COLOUR_DEFAULT = SCR_COLOUR_FG_LIGHT_GREY | SCR_COLOUR_BG_BLACK
} ScreenAttributes;
typedef struct {
wchar_t text;
ScreenAttributes attributes;
} ScreenCharacter;
typedef struct {
short rows, cols; /* screen dimensions */
short posx, posy; /* cursor position */
int number; /* screen number */
unsigned cursor:1;
const char *unreadable;
} ScreenDescription;
typedef struct {
short left, top; /* top-left corner (offset from 0) */
short width, height; /* dimensions */
} ScreenBox;
#define SCR_KEY_SHIFT 0X40000000
#define SCR_KEY_UPPER 0X20000000
#define SCR_KEY_CONTROL 0X10000000
#define SCR_KEY_ALT_LEFT 0X08000000
#define SCR_KEY_ALT_RIGHT 0X04000000
#define SCR_KEY_GUI 0X02000000
#define SCR_KEY_CHAR_MASK 0X00FFFFFF
#define SCR_KEY_UNICODE_ROW 0XF800
typedef enum {
SCR_KEY_ENTER = SCR_KEY_UNICODE_ROW,
SCR_KEY_TAB,
SCR_KEY_BACKSPACE,
SCR_KEY_ESCAPE,
SCR_KEY_CURSOR_LEFT,
SCR_KEY_CURSOR_RIGHT,
SCR_KEY_CURSOR_UP,
SCR_KEY_CURSOR_DOWN,
SCR_KEY_PAGE_UP,
SCR_KEY_PAGE_DOWN,
SCR_KEY_HOME,
SCR_KEY_END,
SCR_KEY_INSERT,
SCR_KEY_DELETE,
SCR_KEY_FUNCTION,
SCR_KEY_F1 = SCR_KEY_FUNCTION,
SCR_KEY_F2,
SCR_KEY_F3,
SCR_KEY_F4,
SCR_KEY_F5,
SCR_KEY_F6,
SCR_KEY_F7,
SCR_KEY_F8,
SCR_KEY_F9,
SCR_KEY_F10,
SCR_KEY_F11,
SCR_KEY_F12,
SCR_KEY_F13,
SCR_KEY_F14,
SCR_KEY_F15,
SCR_KEY_F16,
SCR_KEY_F17,
SCR_KEY_F18,
SCR_KEY_F19,
SCR_KEY_F20,
SCR_KEY_F21,
SCR_KEY_F22,
SCR_KEY_F23,
SCR_KEY_F24,
} ScreenKey;
/* must be less than 0 */
#define SCR_NO_VT -1
typedef struct ScreenDriverStruct ScreenDriver;
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* BRLTTY_INCLUDED_SCR_TYPES */