2 * Internals of the Terminal structure, for those other modules
3 * which need to look inside it. It would be nice if this could be
4 * folded back into terminal.c in future, with an abstraction layer
5 * to handle everything that other modules need to know about it;
6 * but for the moment, this will do.
9 #ifndef PUTTY_TERMINAL_H
10 #define PUTTY_TERMINAL_H
15 struct beeptime *next;
23 #ifdef OPTIMISE_SCROLL
25 struct scrollregion *next;
26 int topline; /* Top line of scroll region. */
27 int botline; /* Bottom line of scroll region. */
28 int lines; /* Number of lines to scroll by - +ve is forwards. */
30 #endif /* OPTIMISE_SCROLL */
32 typedef struct termchar termchar;
33 typedef struct termline termline;
43 int temporary; /* TRUE if decompressed from scrollback */
44 struct termchar *chars;
49 int compatibility_level;
51 tree234 *scrollback; /* lines scrolled off top of screen */
52 tree234 *screen; /* lines on primary screen */
53 tree234 *alt_screen; /* lines on alternate screen */
54 int disptop; /* distance scrolled back (0 or -ve) */
55 int tempsblines; /* number of lines in temporary
58 termchar *cpos; /* cursor position (convenience) */
60 termline **disptext; /* buffer of text on real screen */
61 int dispcursx, dispcursy; /* location of cursor on real screen */
62 int curstype; /* type of cursor on real screen */
64 #define VBELL_TIMEOUT (TICKSPERSEC/10) /* visual bell lasts 1/10 sec */
66 struct beeptime *beephead, *beeptail;
71 #define TTYPE termchar
72 #define TSIZE (sizeof(TTYPE))
73 #define fix_cpos do { \
74 term->cpos = lineptr(term->curs.y)->chars + term->curs.x; \
77 #ifdef OPTIMISE_SCROLL
78 struct scrollregion *scrollhead, *scrolltail;
79 #endif /* OPTIMISE_SCROLL */
81 int default_attr, curr_attr, save_attr;
82 termchar basic_erase_char, erase_char;
84 bufchain inbuf; /* terminal input buffer */
85 pos curs; /* cursor */
86 pos savecurs; /* saved cursor position */
87 int marg_t, marg_b; /* scroll margins */
88 int dec_om; /* DEC origin mode flag */
89 int wrap, wrapnext; /* wrap flags */
90 int insert; /* insert-mode flag */
91 int cset; /* 0 or 1: which char set */
92 int save_cset, save_csattr; /* saved with cursor position */
93 int save_utf, save_wnext; /* saved with cursor position */
94 int rvideo; /* global reverse video flag */
95 unsigned long rvbell_startpoint; /* for ESC[?5hESC[?5l vbell */
96 int cursor_on; /* cursor enabled flag */
97 int reset_132; /* Flag ESC c resets to 80 cols */
98 int use_bce; /* Use Background coloured erase */
99 int blinker; /* When blinking is the cursor on ? */
100 int tblinker; /* When the blinking text is on */
101 int blink_is_real; /* Actually blink blinking text */
102 int term_echoing; /* Does terminal want local echo? */
103 int term_editing; /* Does terminal want local edit? */
104 int sco_acs, save_sco_acs; /* CSI 10,11,12m -> OEM charset */
105 int vt52_bold; /* Force bold on non-bold colours */
106 int utf; /* Are we in toggleable UTF-8 mode? */
107 int utf_state; /* Is there a pending UTF-8 character */
108 int utf_char; /* and what is it so far. */
109 int utf_size; /* The size of the UTF character. */
110 int printing, only_printing; /* Are we doing ANSI printing? */
111 int print_state; /* state of print-end-sequence scan */
112 bufchain printer_buf; /* buffered data for printer */
113 printer_job *print_job;
115 int rows, cols, savelines;
118 unsigned long vbell_startpoint;
119 int app_cursor_keys, app_keypad_keys, vt52_mode;
120 int repeat_off, cr_lf_return;
124 long last_blink; /* used for real blinking control */
127 int xterm_mouse; /* send mouse messages to app */
128 int mouse_is_down; /* used while tracking mouse buttons */
133 * Saved settings on the alternate screen.
135 int alt_x, alt_y, alt_om, alt_wrap, alt_wnext, alt_ins;
136 int alt_cset, alt_sco_acs, alt_utf;
139 int alt_sblines; /* # of lines on alternate screen that should be used for scrollback. */
141 #define ARGS_MAX 32 /* max # of esc sequence arguments */
142 #define ARG_DEFAULT 0 /* if an arg isn't specified */
143 #define def(a,d) ( (a) == ARG_DEFAULT ? (d) : (a) )
144 int esc_args[ARGS_MAX];
147 #define ANSI(x,y) ((x)+((y)<<8))
148 #define ANSI_QUE(x) ANSI(x,TRUE)
150 #define OSC_STR_MAX 2048
152 char osc_string[OSC_STR_MAX + 1];
155 char id_string[1024];
169 OSC_STRING, OSC_MAYBE_ST,
178 NO_SELECTION, ABOUT_TO, DRAGGING, SELECTED
181 LEXICOGRAPHIC, RECTANGULAR
184 SM_CHAR, SM_WORD, SM_LINE
186 pos selstart, selend, selanchor;
190 /* Mask of attributes to pay attention to when painting. */
193 wchar_t *paste_buffer;
194 int paste_len, paste_pos, paste_hold;
197 void (*resize_fn)(void *, int, int);
206 struct unicode_data *ucsdata;
209 * We maintain a full _copy_ of a Config structure here, not
210 * merely a pointer to it. That way, when we're passed a new
211 * one for reconfiguration, we can check the differences and
212 * adjust the _current_ setting of (e.g.) auto wrap mode rather
213 * than only the default.
218 * from_backend calls term_out, but it can also be called from
219 * the ldisc if the ldisc is called _within_ term_out. So we
220 * have to guard against re-entrancy - if from_backend is
221 * called recursively like this, it will simply add data to the
222 * end of the buffer term_out is in the process of working
228 * These are buffers used by the bidi and Arabic shaping code.
231 bidi_char *wcFrom, *wcTo;
232 termchar **pre_bidi_cache, **post_bidi_cache;
236 #define in_utf(term) ((term)->utf || (term)->ucsdata->line_codepage==CP_UTF8)