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 */
34 int compatibility_level
;
36 tree234
*scrollback
; /* lines scrolled off top of screen */
37 tree234
*screen
; /* lines on primary screen */
38 tree234
*alt_screen
; /* lines on alternate screen */
39 int disptop
; /* distance scrolled back (0 or -ve) */
41 unsigned long *cpos
; /* cursor position (convenience) */
43 unsigned long *disptext
; /* buffer of text on real screen */
44 unsigned long *dispcurs
; /* location of cursor on real screen */
45 unsigned long curstype
; /* type of cursor on real screen */
47 #define VBELL_TIMEOUT (TICKSPERSEC/10) /* visual bell lasts 1/10 sec */
49 struct beeptime
*beephead
, *beeptail
;
54 #define TSIZE (sizeof(unsigned long))
55 #define fix_cpos do { \
56 term->cpos = lineptr(term->curs.y) + term->curs.x; \
59 #ifdef OPTIMISE_SCROLL
60 struct scrollregion
*scrollhead
, *scrolltail
;
61 #endif /* OPTIMISE_SCROLL */
63 unsigned long curr_attr
, save_attr
;
64 unsigned long erase_char
;
66 bufchain inbuf
; /* terminal input buffer */
67 pos curs
; /* cursor */
68 pos savecurs
; /* saved cursor position */
69 int marg_t
, marg_b
; /* scroll margins */
70 int dec_om
; /* DEC origin mode flag */
71 int wrap
, wrapnext
; /* wrap flags */
72 int insert
; /* insert-mode flag */
73 int cset
; /* 0 or 1: which char set */
74 int save_cset
, save_csattr
; /* saved with cursor position */
75 int save_utf
, save_wnext
; /* saved with cursor position */
76 int rvideo
; /* global reverse video flag */
77 unsigned long rvbell_startpoint
; /* for ESC[?5hESC[?5l vbell */
78 int cursor_on
; /* cursor enabled flag */
79 int reset_132
; /* Flag ESC c resets to 80 cols */
80 int use_bce
; /* Use Background coloured erase */
81 int blinker
; /* When blinking is the cursor on ? */
82 int tblinker
; /* When the blinking text is on */
83 int blink_is_real
; /* Actually blink blinking text */
84 int term_echoing
; /* Does terminal want local echo? */
85 int term_editing
; /* Does terminal want local edit? */
86 int sco_acs
, save_sco_acs
; /* CSI 10,11,12m -> OEM charset */
87 int vt52_bold
; /* Force bold on non-bold colours */
88 int utf
; /* Are we in toggleable UTF-8 mode? */
89 int utf_state
; /* Is there a pending UTF-8 character */
90 int utf_char
; /* and what is it so far. */
91 int utf_size
; /* The size of the UTF character. */
92 int printing
, only_printing
; /* Are we doing ANSI printing? */
93 int print_state
; /* state of print-end-sequence scan */
94 bufchain printer_buf
; /* buffered data for printer */
95 printer_job
*print_job
;
97 int rows
, cols
, savelines
;
100 unsigned long vbell_startpoint
;
101 int app_cursor_keys
, app_keypad_keys
, vt52_mode
;
102 int repeat_off
, cr_lf_return
;
106 long last_blink
; /* used for real blinking control */
109 int xterm_mouse
; /* send mouse messages to app */
110 int mouse_is_down
; /* used while tracking mouse buttons */
112 unsigned long cset_attr
[2];
115 * Saved settings on the alternate screen.
117 int alt_x
, alt_y
, alt_om
, alt_wrap
, alt_wnext
, alt_ins
;
118 int alt_cset
, alt_sco_acs
, alt_utf
;
121 int alt_sblines
; /* # of lines on alternate screen that should be used for scrollback. */
123 #define ARGS_MAX 32 /* max # of esc sequence arguments */
124 #define ARG_DEFAULT 0 /* if an arg isn't specified */
125 #define def(a,d) ( (a) == ARG_DEFAULT ? (d) : (a) )
126 int esc_args
[ARGS_MAX
];
129 #define ANSI(x,y) ((x)+((y)<<8))
130 #define ANSI_QUE(x) ANSI(x,TRUE)
132 #define OSC_STR_MAX 2048
134 char osc_string
[OSC_STR_MAX
+ 1];
137 char id_string
[1024];
151 OSC_STRING
, OSC_MAYBE_ST
,
160 NO_SELECTION
, ABOUT_TO
, DRAGGING
, SELECTED
163 LEXICOGRAPHIC
, RECTANGULAR
166 SM_CHAR
, SM_WORD
, SM_LINE
168 pos selstart
, selend
, selanchor
;
172 /* Mask of attributes to pay attention to when painting. */
173 unsigned long attr_mask
;
175 wchar_t *paste_buffer
;
176 int paste_len
, paste_pos
, paste_hold
;
179 void (*resize_fn
)(void *, int, int);
188 struct unicode_data
*ucsdata
;
191 * We maintain a full _copy_ of a Config structure here, not
192 * merely a pointer to it. That way, when we're passed a new
193 * one for reconfiguration, we can check the differences and
194 * adjust the _current_ setting of (e.g.) auto wrap mode rather
195 * than only the default.
200 #define in_utf(term) ((term)->utf || (term)->ucsdata->line_codepage==CP_UTF8)