diff options
Diffstat (limited to 'src/libsystemd-terminal/term-internal.h')
-rw-r--r-- | src/libsystemd-terminal/term-internal.h | 358 |
1 files changed, 227 insertions, 131 deletions
diff --git a/src/libsystemd-terminal/term-internal.h b/src/libsystemd-terminal/term-internal.h index a3d1f5458b..345996b943 100644 --- a/src/libsystemd-terminal/term-internal.h +++ b/src/libsystemd-terminal/term-internal.h @@ -42,6 +42,8 @@ typedef struct term_seq term_seq; typedef struct term_parser term_parser; typedef uint32_t term_charset[96]; +typedef struct term_screen term_screen; + /* * Miscellaneous * Sundry things and external helpers. @@ -433,8 +435,8 @@ enum { TERM_CMD_DA1, /* primary-device-attributes */ TERM_CMD_DA2, /* secondary-device-attributes */ TERM_CMD_DA3, /* tertiary-device-attributes */ - TERM_CMD_DC1, /* device-control-1 */ - TERM_CMD_DC3, /* device-control-3 */ + TERM_CMD_DC1, /* device-control-1 or XON */ + TERM_CMD_DC3, /* device-control-3 or XOFF */ TERM_CMD_DCH, /* delete-character */ TERM_CMD_DECALN, /* screen-alignment-pattern */ TERM_CMD_DECANM, /* ansi-mode */ @@ -445,135 +447,135 @@ enum { TERM_CMD_DECDHL_BH, /* double-width-double-height-line: bottom half */ TERM_CMD_DECDHL_TH, /* double-width-double-height-line: top half */ TERM_CMD_DECDWL, /* double-width-single-height-line */ - TERM_CMD_DECEFR, - TERM_CMD_DECELF, - TERM_CMD_DECELR, - TERM_CMD_DECERA, - TERM_CMD_DECFI, - TERM_CMD_DECFRA, - TERM_CMD_DECIC, - TERM_CMD_DECID, - TERM_CMD_DECINVM, - TERM_CMD_DECKBD, - TERM_CMD_DECKPAM, - TERM_CMD_DECKPNM, - TERM_CMD_DECLFKC, - TERM_CMD_DECLL, - TERM_CMD_DECLTOD, - TERM_CMD_DECPCTERM, - TERM_CMD_DECPKA, - TERM_CMD_DECPKFMR, - TERM_CMD_DECRARA, - TERM_CMD_DECRC, - TERM_CMD_DECREQTPARM, - TERM_CMD_DECRPKT, - TERM_CMD_DECRQCRA, - TERM_CMD_DECRQDE, - TERM_CMD_DECRQKT, - TERM_CMD_DECRQLP, - TERM_CMD_DECRQM_ANSI, - TERM_CMD_DECRQM_DEC, - TERM_CMD_DECRQPKFM, - TERM_CMD_DECRQPSR, - TERM_CMD_DECRQTSR, - TERM_CMD_DECRQUPSS, - TERM_CMD_DECSACE, - TERM_CMD_DECSASD, - TERM_CMD_DECSC, - TERM_CMD_DECSCA, - TERM_CMD_DECSCL, - TERM_CMD_DECSCP, - TERM_CMD_DECSCPP, - TERM_CMD_DECSCS, - TERM_CMD_DECSCUSR, - TERM_CMD_DECSDDT, - TERM_CMD_DECSDPT, - TERM_CMD_DECSED, - TERM_CMD_DECSEL, - TERM_CMD_DECSERA, - TERM_CMD_DECSFC, - TERM_CMD_DECSKCV, - TERM_CMD_DECSLCK, - TERM_CMD_DECSLE, - TERM_CMD_DECSLPP, - TERM_CMD_DECSLRM_OR_SC, - TERM_CMD_DECSMBV, - TERM_CMD_DECSMKR, - TERM_CMD_DECSNLS, - TERM_CMD_DECSPP, - TERM_CMD_DECSPPCS, - TERM_CMD_DECSPRTT, - TERM_CMD_DECSR, - TERM_CMD_DECSRFR, - TERM_CMD_DECSSCLS, - TERM_CMD_DECSSDT, - TERM_CMD_DECSSL, - TERM_CMD_DECST8C, - TERM_CMD_DECSTBM, - TERM_CMD_DECSTR, - TERM_CMD_DECSTRL, - TERM_CMD_DECSWBV, - TERM_CMD_DECSWL, - TERM_CMD_DECTID, - TERM_CMD_DECTME, - TERM_CMD_DECTST, - TERM_CMD_DL, - TERM_CMD_DSR_ANSI, - TERM_CMD_DSR_DEC, - TERM_CMD_ECH, - TERM_CMD_ED, - TERM_CMD_EL, - TERM_CMD_ENQ, - TERM_CMD_EPA, - TERM_CMD_FF, - TERM_CMD_HPA, - TERM_CMD_HPR, - TERM_CMD_HT, - TERM_CMD_HTS, - TERM_CMD_HVP, - TERM_CMD_ICH, - TERM_CMD_IL, - TERM_CMD_IND, - TERM_CMD_LF, - TERM_CMD_LS1R, - TERM_CMD_LS2, - TERM_CMD_LS2R, - TERM_CMD_LS3, - TERM_CMD_LS3R, - TERM_CMD_MC_ANSI, - TERM_CMD_MC_DEC, - TERM_CMD_NEL, - TERM_CMD_NP, - TERM_CMD_NULL, - TERM_CMD_PP, - TERM_CMD_PPA, - TERM_CMD_PPB, - TERM_CMD_PPR, - TERM_CMD_RC, - TERM_CMD_REP, - TERM_CMD_RI, - TERM_CMD_RIS, - TERM_CMD_RM_ANSI, - TERM_CMD_RM_DEC, - TERM_CMD_S7C1T, - TERM_CMD_S8C1T, - TERM_CMD_SCS, - TERM_CMD_SD, - TERM_CMD_SGR, - TERM_CMD_SI, - TERM_CMD_SM_ANSI, - TERM_CMD_SM_DEC, - TERM_CMD_SO, - TERM_CMD_SPA, - TERM_CMD_SS2, - TERM_CMD_SS3, - TERM_CMD_ST, - TERM_CMD_SU, - TERM_CMD_SUB, - TERM_CMD_TBC, - TERM_CMD_VPA, - TERM_CMD_VPR, - TERM_CMD_VT, + TERM_CMD_DECEFR, /* enable-filter-rectangle */ + TERM_CMD_DECELF, /* enable-local-functions */ + TERM_CMD_DECELR, /* enable-locator-reporting */ + TERM_CMD_DECERA, /* erase-rectangular-area */ + TERM_CMD_DECFI, /* forward-index */ + TERM_CMD_DECFRA, /* fill-rectangular-area */ + TERM_CMD_DECIC, /* insert-column */ + TERM_CMD_DECID, /* return-terminal-id */ + TERM_CMD_DECINVM, /* invoke-macro */ + TERM_CMD_DECKBD, /* keyboard-language-selection */ + TERM_CMD_DECKPAM, /* keypad-application-mode */ + TERM_CMD_DECKPNM, /* keypad-numeric-mode */ + TERM_CMD_DECLFKC, /* local-function-key-control */ + TERM_CMD_DECLL, /* load-leds */ + TERM_CMD_DECLTOD, /* load-time-of-day */ + TERM_CMD_DECPCTERM, /* pcterm-mode */ + TERM_CMD_DECPKA, /* program-key-action */ + TERM_CMD_DECPKFMR, /* program-key-free-memory-report */ + TERM_CMD_DECRARA, /* reverse-attributes-in-rectangular-area */ + TERM_CMD_DECRC, /* restore-cursor */ + TERM_CMD_DECREQTPARM, /* request-terminal-parameters */ + TERM_CMD_DECRPKT, /* report-key-type */ + TERM_CMD_DECRQCRA, /* request-checksum-of-rectangular-area */ + TERM_CMD_DECRQDE, /* request-display-extent */ + TERM_CMD_DECRQKT, /* request-key-type */ + TERM_CMD_DECRQLP, /* request-locator-position */ + TERM_CMD_DECRQM_ANSI, /* request-mode-ansi */ + TERM_CMD_DECRQM_DEC, /* request-mode-dec */ + TERM_CMD_DECRQPKFM, /* request-program-key-free-memory */ + TERM_CMD_DECRQPSR, /* request-presentation-state-report */ + TERM_CMD_DECRQTSR, /* request-terminal-state-report */ + TERM_CMD_DECRQUPSS, /* request-user-preferred-supplemental-set */ + TERM_CMD_DECSACE, /* select-attribute-change-extent */ + TERM_CMD_DECSASD, /* select-active-status-display */ + TERM_CMD_DECSC, /* save-cursor */ + TERM_CMD_DECSCA, /* select-character-protection-attribute */ + TERM_CMD_DECSCL, /* select-conformance-level */ + TERM_CMD_DECSCP, /* select-communication-port */ + TERM_CMD_DECSCPP, /* select-columns-per-page */ + TERM_CMD_DECSCS, /* select-communication-speed */ + TERM_CMD_DECSCUSR, /* set-cursor-style */ + TERM_CMD_DECSDDT, /* select-disconnect-delay-time */ + TERM_CMD_DECSDPT, /* select-digital-printed-data-type */ + TERM_CMD_DECSED, /* selective-erase-in-display */ + TERM_CMD_DECSEL, /* selective-erase-in-line */ + TERM_CMD_DECSERA, /* selective-erase-rectangular-area */ + TERM_CMD_DECSFC, /* select-flow-control */ + TERM_CMD_DECSKCV, /* set-key-click-volume */ + TERM_CMD_DECSLCK, /* set-lock-key-style */ + TERM_CMD_DECSLE, /* select-locator-events */ + TERM_CMD_DECSLPP, /* set-lines-per-page */ + TERM_CMD_DECSLRM_OR_SC, /* set-left-and-right-margins or save-cursor */ + TERM_CMD_DECSMBV, /* set-margin-bell-volume */ + TERM_CMD_DECSMKR, /* select-modifier-key-reporting */ + TERM_CMD_DECSNLS, /* set-lines-per-screen */ + TERM_CMD_DECSPP, /* set-port-parameter */ + TERM_CMD_DECSPPCS, /* select-pro-printer-character-set */ + TERM_CMD_DECSPRTT, /* select-printer-type */ + TERM_CMD_DECSR, /* secure-reset */ + TERM_CMD_DECSRFR, /* select-refresh-rate */ + TERM_CMD_DECSSCLS, /* set-scroll-speed */ + TERM_CMD_DECSSDT, /* select-status-display-line-type */ + TERM_CMD_DECSSL, /* select-setup-language */ + TERM_CMD_DECST8C, /* set-tab-at-every-8-columns */ + TERM_CMD_DECSTBM, /* set-top-and-bottom-margins */ + TERM_CMD_DECSTR, /* soft-terminal-reset */ + TERM_CMD_DECSTRL, /* set-transmit-rate-limit */ + TERM_CMD_DECSWBV, /* set-warning-bell-volume */ + TERM_CMD_DECSWL, /* single-width-single-height-line */ + TERM_CMD_DECTID, /* select-terminal-id */ + TERM_CMD_DECTME, /* terminal-mode-emulation */ + TERM_CMD_DECTST, /* invoke-confidence-test */ + TERM_CMD_DL, /* delete-line */ + TERM_CMD_DSR_ANSI, /* device-status-report-ansi */ + TERM_CMD_DSR_DEC, /* device-status-report-dec */ + TERM_CMD_ECH, /* erase-character */ + TERM_CMD_ED, /* erase-in-display */ + TERM_CMD_EL, /* erase-in-line */ + TERM_CMD_ENQ, /* enquiry */ + TERM_CMD_EPA, /* end-of-guarded-area */ + TERM_CMD_FF, /* form-feed */ + TERM_CMD_HPA, /* horizontal-position-absolute */ + TERM_CMD_HPR, /* horizontal-position-relative */ + TERM_CMD_HT, /* horizontal-tab */ + TERM_CMD_HTS, /* horizontal-tab-set */ + TERM_CMD_HVP, /* horizontal-and-vertical-position */ + TERM_CMD_ICH, /* insert-character */ + TERM_CMD_IL, /* insert-line */ + TERM_CMD_IND, /* index */ + TERM_CMD_LF, /* line-feed */ + TERM_CMD_LS1R, /* locking-shift-1-right */ + TERM_CMD_LS2, /* locking-shift-2 */ + TERM_CMD_LS2R, /* locking-shift-2-right */ + TERM_CMD_LS3, /* locking-shift-3 */ + TERM_CMD_LS3R, /* locking-shift-3-right */ + TERM_CMD_MC_ANSI, /* media-copy-ansi */ + TERM_CMD_MC_DEC, /* media-copy-dec */ + TERM_CMD_NEL, /* next-line */ + TERM_CMD_NP, /* next-page */ + TERM_CMD_NULL, /* null */ + TERM_CMD_PP, /* preceding-page */ + TERM_CMD_PPA, /* page-position-absolute */ + TERM_CMD_PPB, /* page-position-backward */ + TERM_CMD_PPR, /* page-position-relative */ + TERM_CMD_RC, /* restore-cursor */ + TERM_CMD_REP, /* repeat */ + TERM_CMD_RI, /* reverse-index */ + TERM_CMD_RIS, /* reset-to-initial-state */ + TERM_CMD_RM_ANSI, /* reset-mode-ansi */ + TERM_CMD_RM_DEC, /* reset-mode-dec */ + TERM_CMD_S7C1T, /* set-7bit-c1-terminal */ + TERM_CMD_S8C1T, /* set-8bit-c1-terminal */ + TERM_CMD_SCS, /* select-character-set */ + TERM_CMD_SD, /* scroll-down */ + TERM_CMD_SGR, /* select-graphics-rendition */ + TERM_CMD_SI, /* shift-in */ + TERM_CMD_SM_ANSI, /* set-mode-ansi */ + TERM_CMD_SM_DEC, /* set-mode-dec */ + TERM_CMD_SO, /* shift-out */ + TERM_CMD_SPA, /* start-of-protected-area */ + TERM_CMD_SS2, /* single-shift-2 */ + TERM_CMD_SS3, /* single-shift-3 */ + TERM_CMD_ST, /* string-terminator */ + TERM_CMD_SU, /* scroll-up */ + TERM_CMD_SUB, /* substitute */ + TERM_CMD_TBC, /* tab-clear */ + TERM_CMD_VPA, /* vertical-line-position-absolute */ + TERM_CMD_VPR, /* vertical-line-position-relative */ + TERM_CMD_VT, /* vertical-tab */ TERM_CMD_XTERM_CLLHP, /* xterm-cursor-lower-left-hp-bugfix */ TERM_CMD_XTERM_IHMT, /* xterm-initiate-highlight-mouse-tracking*/ TERM_CMD_XTERM_MLHP, /* xterm-memory-lock-hp-bugfix */ @@ -684,3 +686,97 @@ int term_parser_feed(term_parser *parser, const term_seq **seq_out, uint32_t raw #define _term_parser_free_ _cleanup_(term_parser_freep) DEFINE_TRIVIAL_CLEANUP_FUNC(term_parser*, term_parser_free); + +/* + * Screens + * A term_screen object represents the terminal-side of the communication. It + * connects the term-parser and term-pages and handles all required commands. + * All state is managed by it. + */ + +enum { + TERM_FLAG_7BIT_MODE = (1U << 0), /* 7bit mode (default: off) */ + TERM_FLAG_HIDE_CURSOR = (1U << 1), /* hide cursor caret (default: off) */ + TERM_FLAG_INHIBIT_TPARM = (1U << 2), /* do not send TPARM unrequested (default: off) */ + TERM_FLAG_NEWLINE_MODE = (1U << 3), /* perform carriage-return on line-feeds (default: off) */ + TERM_FLAG_ORIGIN_MODE = (1U << 4), /* in origin mode, the cursor is bound by the margins (default: off) */ + TERM_FLAG_PENDING_WRAP = (1U << 5), /* wrap-around is pending */ + TERM_FLAG_AUTO_WRAP = (1U << 6), /* auto-wrap mode causes line-wraps at line-ends (default: off) */ + TERM_FLAG_KEYPAD_MODE = (1U << 7), /* application-keypad mode (default: off) */ + TERM_FLAG_CURSOR_KEYS = (1U << 8), /* enable application cursor-keys (default: off) */ +}; + +enum { + TERM_CONFORMANCE_LEVEL_VT52, + TERM_CONFORMANCE_LEVEL_VT100, + TERM_CONFORMANCE_LEVEL_VT400, + TERM_CONFORMANCE_LEVEL_CNT, +}; + +typedef int (*term_screen_write_fn) (term_screen *screen, void *userdata, const void *buf, size_t size); +typedef int (*term_screen_cmd_fn) (term_screen *screen, void *userdata, unsigned int cmd, const term_seq *seq); + +struct term_screen { + unsigned long ref; + term_age_t age; + + term_page *page; + term_page *page_main; + term_page *page_alt; + term_history *history; + term_history *history_main; + + unsigned int n_tabs; + uint8_t *tabs; + + term_utf8 utf8; + term_parser *parser; + + term_screen_write_fn write_fn; + void *write_fn_data; + term_screen_cmd_fn cmd_fn; + void *cmd_fn_data; + + unsigned int flags; + unsigned int conformance_level; + unsigned int cursor_x; + unsigned int cursor_y; + term_attr attr; + term_attr default_attr; + + term_charset **gl; + term_charset **gr; + term_charset **glt; + term_charset **grt; + term_charset *g0; + term_charset *g1; + term_charset *g2; + term_charset *g3; + + char *answerback; + + struct { + unsigned int cursor_x; + unsigned int cursor_y; + term_attr attr; + term_charset **gl; + term_charset **gr; + term_charset **glt; + term_charset **grt; + unsigned int flags; + } saved; +}; + +int term_screen_new(term_screen **out, term_screen_write_fn write_fn, void *write_fn_data, term_screen_cmd_fn cmd_fn, void *cmd_fn_data); +term_screen *term_screen_ref(term_screen *screen); +term_screen *term_screen_unref(term_screen *screen); + +DEFINE_TRIVIAL_CLEANUP_FUNC(term_screen*, term_screen_unref); + +int term_screen_feed_text(term_screen *screen, const uint8_t *in, size_t size); +int term_screen_feed_keyboard(term_screen *screen, uint32_t keysym, uint32_t ascii, uint32_t ucs4, unsigned int mods); +int term_screen_resize(term_screen *screen, unsigned int width, unsigned int height); +void term_screen_soft_reset(term_screen *screen); +void term_screen_hard_reset(term_screen *screen); + +int term_screen_set_answerback(term_screen *screen, const char *answerback); |