int y, x;
} pos;
+#ifdef OPTIMISE_SCROLL
+struct scrollregion {
+ struct scrollregion *next;
+ int topline; /* Top line of scroll region. */
+ int botline; /* Bottom line of scroll region. */
+ int lines; /* Number of lines to scroll by - +ve is forwards. */
+};
+#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;
+};
+
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 in 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? */
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 mouse_is_down; /* used while tracking mouse buttons */
- unsigned long cset_attr[2];
+ 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. */
+ int attr_mask;
+
wchar_t *paste_buffer;
int paste_len, paste_pos, paste_hold;
long last_paste;
void *frontend;
void *logctx;
+
+ 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.
+ */
+ Config cfg;
+
+ /*
+ * 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;
};
-#define in_utf(term) ((term)->utf || line_codepage==CP_UTF8)
+#define in_utf(term) ((term)->utf || (term)->ucsdata->line_codepage==CP_UTF8)
#endif
projects / u / mdw / putty / blobdiff