You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
356 lines
10 KiB
356 lines
10 KiB
#ifndef SCREEN_H
|
|
#define SCREEN_H
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <esp8266.h>
|
|
#include <httpd.h>
|
|
|
|
/**
|
|
* This module handles the virtual screen and operations on it.
|
|
*
|
|
* It is interfaced by calls from the ANSI parser, and the screen
|
|
* data can be rendered for the front-end.
|
|
*
|
|
* ---
|
|
*
|
|
* Colors are 0-15, 0-7 dim, 8-15 bright.
|
|
*
|
|
* NORMAL
|
|
* 0 black, 1 red, 2 green, 3 yellow
|
|
* 4 blue, 5 mag, 6 cyan, 7 white
|
|
*
|
|
* BRIGHT
|
|
* 8 black, 9 red, 10 green, 11 yellow
|
|
* 12 blue, 13 mag, 14 cyan, 15 white
|
|
*
|
|
* ints are 0-based, left-top is the origin.
|
|
* X grows to the right, Y to the bottom.
|
|
*
|
|
* +---->
|
|
* | X
|
|
* |
|
|
* V Y
|
|
*
|
|
*/
|
|
|
|
#define TERM_BTN_LEN 10
|
|
#define TERM_BTN_MSG_LEN 10
|
|
#define TERM_TITLE_LEN 64
|
|
#define TERM_BTN_COUNT 5
|
|
|
|
#define SCR_DEF_DISPLAY_TOUT_MS 12
|
|
#define SCR_DEF_DISPLAY_COOLDOWN_MS 35
|
|
#define SCR_DEF_PARSER_TOUT_MS 0
|
|
#define SCR_DEF_FN_ALT_MODE true // true - SS3 codes, easier to parse & for xterm compatibility
|
|
#define SCR_DEF_WIDTH 26
|
|
#define SCR_DEF_HEIGHT 10
|
|
#define SCR_DEF_TITLE "ESPTerm"
|
|
|
|
/** Maximum screen size (determines size of the static data array) */
|
|
#define MAX_SCREEN_SIZE (80*25)
|
|
|
|
enum CursorShape {
|
|
CURSOR_BLOCK_BL = 0,
|
|
CURSOR_DEFAULT = 1, // this is translated to a user configured style
|
|
CURSOR_BLOCK = 2,
|
|
CURSOR_UNDERLINE_BL = 3,
|
|
CURSOR_UNDERLINE = 4,
|
|
CURSOR_BAR_BL = 5,
|
|
CURSOR_BAR = 6,
|
|
};
|
|
|
|
#define SCR_DEF_SHOW_BUTTONS 1
|
|
#define SCR_DEF_SHOW_MENU 1
|
|
#define SCR_DEF_CURSOR_SHAPE CURSOR_BLOCK_BL
|
|
#define SCR_DEF_CRLF 0 // enter sends CRLF
|
|
#define SCR_DEF_ALLFN 0 // capture F5 etc
|
|
#define SCR_DEF_DEBUGBAR 0
|
|
|
|
// --- Persistent Settings ---
|
|
#define CURSOR_BLINKS(shape) ((shape)==CURSOR_BLOCK_BL||(shape)==CURSOR_UNDERLINE_BL||(shape)==CURSOR_BAR_BL)
|
|
|
|
// Size designed for the terminal config structure
|
|
// Must be constant to avoid corrupting user config after upgrade
|
|
#define TERMCONF_SIZE 300
|
|
#define TERMCONF_VERSION 1
|
|
|
|
typedef struct {
|
|
u32 width;
|
|
u32 height;
|
|
u32 default_bg; // 00-FFh - ANSI colors, (00:00:00-FF:FF:FF)+256 - True Color
|
|
u32 default_fg;
|
|
char title[TERM_TITLE_LEN];
|
|
char btn[TERM_BTN_COUNT][TERM_BTN_LEN];
|
|
u8 theme;
|
|
u32 parser_tout_ms;
|
|
u32 display_tout_ms;
|
|
bool fn_alt_mode; // xterm compatibility mode (alternate codes for some FN keys)
|
|
u8 config_version;
|
|
u32 display_cooldown_ms;
|
|
bool loopback;
|
|
bool show_buttons;
|
|
bool show_config_links;
|
|
char btn_msg[TERM_BTN_COUNT][TERM_BTN_MSG_LEN];
|
|
enum CursorShape cursor_shape;
|
|
bool crlf_mode;
|
|
bool want_all_fn;
|
|
bool debugbar;
|
|
} TerminalConfigBundle;
|
|
|
|
// Live config
|
|
extern TerminalConfigBundle * const termconf;
|
|
|
|
/**
|
|
* Transient live config with no persist, can be modified via esc sequences.
|
|
* terminal_apply_settings() copies termconf to this struct, erasing old scratch changes
|
|
*/
|
|
extern TerminalConfigBundle termconf_live;
|
|
|
|
enum MTM {
|
|
MTM_NONE = 0,
|
|
MTM_X10 = 1,
|
|
MTM_NORMAL = 2,
|
|
MTM_BUTTON_MOTION = 3, // any higher mode tracks motion
|
|
MTM_ANY_MOTION = 4,
|
|
};
|
|
|
|
enum MTE {
|
|
MTE_SIMPLE = 0,
|
|
MTE_UTF8 = 1,
|
|
MTE_SGR = 2,
|
|
MTE_URXVT = 3,
|
|
};
|
|
|
|
typedef struct {
|
|
enum MTM mode;
|
|
bool focus_tracking;
|
|
enum MTE encoding;
|
|
} MouseTrackingConfig;
|
|
|
|
extern MouseTrackingConfig mouse_tracking;
|
|
|
|
/** Restore default settings to termconf. Does not apply or copy to scratch. */
|
|
void terminal_restore_defaults(void);
|
|
/** Apply settings, redraw (clears the screen) */
|
|
void terminal_apply_settings(void);
|
|
/** Apply settings, redraw (no clear - not resized) */
|
|
void terminal_apply_settings_noclear(void);
|
|
/** Init the screen */
|
|
void screen_init(void);
|
|
/** Change the screen size */
|
|
void screen_resize(int rows, int cols);
|
|
/** Set screen title */
|
|
void screen_set_title(const char *title);
|
|
/** Set a button text */
|
|
void screen_set_button_text(int num, const char *text);
|
|
|
|
// --- Encoding ---
|
|
|
|
typedef enum {
|
|
CS_B_USASCII = 'B',
|
|
CS_A_UKASCII = 'A',
|
|
CS_0_DEC_SUPPLEMENTAL = '0',
|
|
CS_1_DOS_437 = '1',
|
|
} CHARSET;
|
|
|
|
enum ScreenSerializeTopic {
|
|
TOPIC_CHANGE_SCREEN_OPTS = (1<<0),
|
|
TOPIC_CHANGE_CONTENT_ALL = (1<<1),
|
|
TOPIC_CHANGE_CONTENT_PART = (1<<2),
|
|
TOPIC_CHANGE_TITLE = (1<<3),
|
|
TOPIC_CHANGE_BUTTONS = (1<<4),
|
|
TOPIC_CHANGE_CURSOR = (1<<5),
|
|
TOPIC_INTERNAL = (1<<6), // debugging internal state
|
|
TOPIC_BELL = (1<<7), // beep
|
|
// combos
|
|
TOPIC_INITIAL =
|
|
TOPIC_CHANGE_SCREEN_OPTS |
|
|
TOPIC_CHANGE_CONTENT_ALL |
|
|
TOPIC_CHANGE_CURSOR |
|
|
TOPIC_CHANGE_TITLE |
|
|
TOPIC_CHANGE_BUTTONS,
|
|
|
|
TOPIC_WRITE = TOPIC_CHANGE_CURSOR | TOPIC_CHANGE_CONTENT_PART,
|
|
};
|
|
|
|
typedef u16 ScreenNotifyTopics;
|
|
|
|
httpd_cgi_state screenSerializeToBuffer(char *buffer, size_t buf_len, ScreenNotifyTopics topics, void **data);
|
|
|
|
// --- Clearing ---
|
|
|
|
typedef enum {
|
|
CLEAR_TO_CURSOR = 0,
|
|
CLEAR_FROM_CURSOR = 1,
|
|
CLEAR_ALL = 2
|
|
} ClearMode;
|
|
|
|
/** Screen reset to default state */
|
|
void screen_reset(void);
|
|
/** Clear entire screen */
|
|
void screen_clear(ClearMode mode);
|
|
/** Clear line */
|
|
void screen_clear_line(ClearMode mode);
|
|
/** Clear part of line */
|
|
void screen_clear_in_line(unsigned int count);
|
|
/** Swap to alternate buffer (really what this does is backup terminal title, size and other global attributes) */
|
|
void screen_swap_state(bool alternate);
|
|
|
|
// --- insert / delete ---
|
|
|
|
/** Insert lines at cursor, shove down */
|
|
void screen_insert_lines(unsigned int lines);
|
|
/** Delete lines at cursor, pull up */
|
|
void screen_delete_lines(unsigned int lines);
|
|
/** Insert characters at cursor, shove right */
|
|
void screen_insert_characters(unsigned int count);
|
|
/** Delete characters at cursor, pull left */
|
|
void screen_delete_characters(unsigned int count);
|
|
/** Shift screen upwards */
|
|
void screen_scroll_up(unsigned int lines);
|
|
/** Shift screen downwards */
|
|
void screen_scroll_down(unsigned int lines);
|
|
|
|
// --- Cursor control ---
|
|
|
|
/** Set cursor shape */
|
|
void screen_cursor_shape(enum CursorShape shape);
|
|
/** Toggle cursor blink (modifies shape) */
|
|
void screen_cursor_blink(bool blink);
|
|
/** Set cursor position */
|
|
void screen_cursor_set(int y, int x);
|
|
/** Read cursor pos to given vars */
|
|
void screen_cursor_get(int *y, int *x);
|
|
/** Set cursor X position */
|
|
void screen_cursor_set_x(int x);
|
|
/** Set cursor Y position */
|
|
void screen_cursor_set_y(int y);
|
|
/** Relative cursor move */
|
|
void screen_cursor_move(int dy, int dx, bool scroll);
|
|
/** Save the cursor pos */
|
|
void screen_cursor_save(bool withAttrs);
|
|
/** Restore the cursor pos */
|
|
void screen_cursor_restore(bool withAttrs);
|
|
|
|
// --- Cursor behavior setting ---
|
|
|
|
/** Toggle INSERT / REPLACE */
|
|
void screen_set_insert_mode(bool insert);
|
|
/** Enable CR auto */
|
|
void screen_set_newline_mode(bool nlm);
|
|
/** Enable auto wrap */
|
|
void screen_wrap_enable(bool enable);
|
|
/** Enable reverse wrap-around */
|
|
void screen_reverse_wrap_enable(bool enable);
|
|
/** Set scrolling region */
|
|
void screen_set_scrolling_region(int from, int to);
|
|
/** Enable or disable origin remap to top left of scrolling region */
|
|
void screen_set_origin_mode(bool region_origin);
|
|
|
|
// --- Graphic rendition setting ---
|
|
|
|
typedef uint8_t Color;
|
|
typedef uint16_t CellAttrs;
|
|
|
|
enum SgrAttrBits {
|
|
ATTR_FG = (1<<0), //!< 1 if not using default background color (ignore cell bg) - color extension bit
|
|
ATTR_BG = (1<<1), //!< 1 if not using default foreground color (ignore cell fg) - color extension bit
|
|
ATTR_BOLD = (1<<2), //!< Bold font
|
|
ATTR_UNDERLINE = (1<<3), //!< Underline decoration
|
|
ATTR_INVERSE = (1<<4), //!< Invert colors - this is useful so we can clear then with SGR manipulation commands
|
|
ATTR_BLINK = (1<<5), //!< Blinking
|
|
ATTR_ITALIC = (1<<6), //!< Italic font
|
|
ATTR_STRIKE = (1<<7), //!< Strike-through decoration
|
|
ATTR_OVERLINE = (1<<8), //!< Over-line decoration
|
|
ATTR_FAINT = (1<<9), //!< Faint foreground color (reduced alpha)
|
|
ATTR_FRAKTUR = (1<<10), //!< Fraktur font (unicode substitution)
|
|
};
|
|
|
|
/** Set cursor foreground color */
|
|
void screen_set_fg(Color color);
|
|
/** Set cursor background coloor */
|
|
void screen_set_bg(Color color);
|
|
/** Set cursor foreground color to default */
|
|
void screen_set_default_fg(void);
|
|
/** Set cursor background color to default */
|
|
void screen_set_default_bg(void);
|
|
/** Enable/disable attrs by bitmask */
|
|
void screen_set_sgr(CellAttrs attrs, bool ena);
|
|
/** Conceal style */
|
|
void screen_set_sgr_conceal(bool ena);
|
|
/** Reset cursor attribs */
|
|
void screen_reset_sgr(void);
|
|
|
|
// --- Global modes and attributes ---
|
|
|
|
/** Enable cursor display */
|
|
void screen_set_cursor_visible(bool visible);
|
|
/** Toggle application keypad mode */
|
|
void screen_set_numpad_alt_mode(bool app_mode);
|
|
/** Toggle application cursor mode */
|
|
void screen_set_cursors_alt_mode(bool app_mode);
|
|
/** Set reverse video mode */
|
|
void screen_set_reverse_video(bool reverse);
|
|
/** Save DECOPT */
|
|
void screen_save_private_opt(int n);
|
|
/** Restore DECOPT */
|
|
void screen_restore_private_opt(int n);
|
|
/** Set bracketed paste */
|
|
void screen_set_bracketed_paste(bool ena);
|
|
|
|
// --- Charset ---
|
|
|
|
/** Switch G0 <-> G1 */
|
|
void screen_set_charset_n(int Gx);
|
|
/** Assign G0 or G1 */
|
|
void screen_set_charset(int Gx, char charset);
|
|
|
|
// --- Tab stops ---
|
|
|
|
/** Remove all tabs on the screen */
|
|
void screen_clear_all_tabs(void);
|
|
/** Set tab at the current column */
|
|
void screen_set_tab(void);
|
|
/** Remove tab at the current column (if any) */
|
|
void screen_clear_tab(void);
|
|
/** Move forward one tab */
|
|
void screen_tab_forward(int count);
|
|
/** Move backward one tab */
|
|
void screen_tab_reverse(int count);
|
|
/** Move left, shift right if at the boundary */
|
|
void screen_back_index(int count);
|
|
|
|
// --- Printing characters ---
|
|
|
|
/**
|
|
* Set a character in the cursor color, move to right with wrap.
|
|
* The character may be ASCII (then only one char is used), or
|
|
* unicode (then it can be 4 chars, or terminated by a zero)
|
|
*/
|
|
void screen_putchar(const char *ch);
|
|
/**
|
|
* esc # 8 - fill entire screen with E of default colors
|
|
* (DEC alignment test mode)
|
|
*/
|
|
void screen_fill_with_E(void);
|
|
|
|
/**
|
|
* Repeat last graphic character
|
|
* @param count
|
|
*/
|
|
void screen_repeat_last_character(int count);
|
|
|
|
// --- Queries ---
|
|
|
|
/** Report current SGR as num;num;... for DAC query */
|
|
void screen_report_sgr(char *buffer);
|
|
|
|
/**
|
|
* Called when the screen content or settings change
|
|
* and the front-end should redraw / update.
|
|
* @param topic - what kind of change this is (chooses what message to send)
|
|
*/
|
|
extern void screen_notifyChange(ScreenNotifyTopics topics);
|
|
|
|
#endif // SCREEN_H
|
|
|