};
#endif /* OPTIMISE_SCROLL */
+typedef struct termchar termchar;
+typedef struct termline termline;
+
+struct termchar {
+ /*
+ * Any code in terminal.c which definitely needs to be changed
+ * when extra fields are added here is labelled with a comment
+ * saying FULL-TERMCHAR.
+ */
+ unsigned long chr;
+ unsigned long attr;
+
+ /*
+ * The cc_next field is used to link multiple termchars
+ * together into a list, so as to fit more than one character
+ * into a character cell (Unicode combining characters).
+ *
+ * cc_next is a relative offset into the current array of
+ * termchars. I.e. to advance to the next character in a list,
+ * one does `tc += tc->next'.
+ *
+ * Zero means end of list.
+ */
+ int cc_next;
+};
+
+struct termline {
+ unsigned short lattr;
+ int cols; /* number of real columns on the line */
+ int size; /* number of allocated termchars
+ * (cc-lists may make this > cols) */
+ int temporary; /* TRUE if decompressed from scrollback */
+ int cc_free; /* offset to first cc in free list */
+ struct termchar *chars;
+};
+
+struct bidi_cache_entry {
+ int width;
+ struct termchar *chars;
+ int *forward, *backward; /* the permutations of line positions */
+};
+
struct terminal_tag {
int compatibility_level;
tree234 *screen; /* lines on primary screen */
tree234 *alt_screen; /* lines on alternate screen */
int disptop; /* distance scrolled back (0 or -ve) */
+ int tempsblines; /* number of lines of .scrollback that
+ can be retrieved onto the terminal
+ ("temporary scrollback") */
- unsigned long *cpos; /* cursor position (convenience) */
-
- unsigned long *disptext; /* buffer of text on real screen */
- unsigned long *dispcurs; /* location of cursor on real screen */
- unsigned long curstype; /* type of cursor on real screen */
+ termline **disptext; /* buffer of text on real screen */
+ int dispcursx, dispcursy; /* location of cursor on real screen */
+ int curstype; /* type of cursor on real screen */
#define VBELL_TIMEOUT (TICKSPERSEC/10) /* visual bell lasts 1/10 sec */
int beep_overloaded;
long lastbeep;
-#define TSIZE (sizeof(unsigned long))
-#define fix_cpos do { \
- term->cpos = lineptr(term->curs.y) + term->curs.x; \
-} while(0)
+#define TTYPE termchar
+#define TSIZE (sizeof(TTYPE))
#ifdef OPTIMISE_SCROLL
struct scrollregion *scrollhead, *scrolltail;
#endif /* OPTIMISE_SCROLL */
- unsigned long curr_attr, save_attr;
- unsigned long erase_char;
+ int default_attr, curr_attr, save_attr;
+ termchar basic_erase_char, erase_char;
bufchain inbuf; /* terminal input buffer */
pos curs; /* cursor */
int cursor_on; /* cursor enabled flag */
int reset_132; /* Flag ESC c resets to 80 cols */
int use_bce; /* Use Background coloured erase */
- int blinker; /* When blinking is the cursor on ? */
+ int cblinker; /* When blinking is the cursor on ? */
int tblinker; /* When the blinking text is on */
int blink_is_real; /* Actually blink blinking text */
int term_echoing; /* Does terminal want local echo? */
bufchain printer_buf; /* buffered data for printer */
printer_job *print_job;
+ /* ESC 7 saved state for the alternate screen */
+ pos alt_savecurs;
+ int alt_save_attr;
+ int alt_save_cset, alt_save_csattr;
+ int alt_save_utf, alt_save_wnext;
+ int alt_save_sco_acs;
+
int rows, cols, savelines;
int has_focus;
int in_vbell;
- unsigned long vbell_startpoint;
+ long vbell_end;
int app_cursor_keys, app_keypad_keys, vt52_mode;
int repeat_off, cr_lf_return;
int seen_disp_event;
int big_cursor;
- long last_blink; /* used for real blinking control */
- long last_tblink;
-
- int xterm_mouse; /* send mouse messages to app */
+ int xterm_mouse; /* send mouse messages to host */
+ int xterm_extended_mouse;
+ int urxvt_extended_mouse;
int mouse_is_down; /* used while tracking mouse buttons */
- unsigned long cset_attr[2];
+ int bracketed_paste;
+
+ int cset_attr[2];
/*
* Saved settings on the alternate screen.
int alt_cset, alt_sco_acs, alt_utf;
int alt_t, alt_b;
int alt_which;
+ int alt_sblines; /* # of lines on alternate screen that should be used for scrollback. */
#define ARGS_MAX 32 /* max # of esc sequence arguments */
#define ARG_DEFAULT 0 /* if an arg isn't specified */
short wordness[256];
/* Mask of attributes to pay attention to when painting. */
- unsigned long attr_mask;
+ int attr_mask;
wchar_t *paste_buffer;
int paste_len, paste_pos, paste_hold;
struct unicode_data *ucsdata;
/*
- * We maintain a full _copy_ of a Config structure here, not
- * merely a pointer to it. That way, when we're passed a new
- * one for reconfiguration, we can check the differences and
- * adjust the _current_ setting of (e.g.) auto wrap mode rather
- * than only the default.
+ * We maintain a full copy of a Conf here, not merely a pointer
+ * to it. That way, when we're passed a new one for
+ * reconfiguration, we can check the differences and adjust the
+ * _current_ setting of (e.g.) auto wrap mode rather than only
+ * the default.
+ */
+ Conf *conf;
+
+ /*
+ * from_backend calls term_out, but it can also be called from
+ * the ldisc if the ldisc is called _within_ term_out. So we
+ * have to guard against re-entrancy - if from_backend is
+ * called recursively like this, it will simply add data to the
+ * end of the buffer term_out is in the process of working
+ * through.
+ */
+ int in_term_out;
+
+ /*
+ * We schedule a window update shortly after receiving terminal
+ * data. This tracks whether one is currently pending.
+ */
+ int window_update_pending;
+ long next_update;
+
+ /*
+ * Track pending blinks and tblinks.
+ */
+ int tblink_pending, cblink_pending;
+ long next_tblink, next_cblink;
+
+ /*
+ * These are buffers used by the bidi and Arabic shaping code.
+ */
+ termchar *ltemp;
+ int ltemp_size;
+ bidi_char *wcFrom, *wcTo;
+ int wcFromTo_size;
+ struct bidi_cache_entry *pre_bidi_cache, *post_bidi_cache;
+ int bidi_cache_size;
+
+ /*
+ * We copy a bunch of stuff out of the Conf structure into local
+ * fields in the Terminal structure, to avoid the repeated
+ * tree234 lookups which would be involved in fetching them from
+ * the former every time.
*/
- Config cfg;
+ int ansi_colour;
+ char *answerback;
+ int answerbacklen;
+ int arabicshaping;
+ int beep;
+ int bellovl;
+ int bellovl_n;
+ int bellovl_s;
+ int bellovl_t;
+ int bidi;
+ int bksp_is_delete;
+ int blink_cur;
+ int blinktext;
+ int cjk_ambig_wide;
+ int conf_height;
+ int conf_width;
+ int crhaslf;
+ int erase_to_scrollback;
+ int funky_type;
+ int lfhascr;
+ int logflush;
+ int logtype;
+ int mouse_override;
+ int nethack_keypad;
+ int no_alt_screen;
+ int no_applic_c;
+ int no_applic_k;
+ int no_dbackspace;
+ int no_mouse_rep;
+ int no_remote_charset;
+ int no_remote_resize;
+ int no_remote_wintitle;
+ int rawcnp;
+ int rect_select;
+ int remote_qtitle_action;
+ int rxvt_homeend;
+ int scroll_on_disp;
+ int scroll_on_key;
+ int xterm_256_colour;
};
#define in_utf(term) ((term)->utf || (term)->ucsdata->line_codepage==CP_UTF8)
projects / u / mdw / putty / blobdiff