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;
+ 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;
};
int tempsblines; /* number of lines in temporary
scrollback */
- termchar *cpos; /* cursor position (convenience) */
-
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 TTYPE termchar
#define TSIZE (sizeof(TTYPE))
-#define fix_cpos do { \
- term->cpos = lineptr(term->curs.y)->chars + term->curs.x; \
-} while(0)
#ifdef OPTIMISE_SCROLL
struct scrollregion *scrollhead, *scrolltail;
* These are buffers used by the bidi and Arabic shaping code.
*/
termchar *ltemp;
+ int ltemp_size;
bidi_char *wcFrom, *wcTo;
+ int wcFromTo_size;
termchar **pre_bidi_cache, **post_bidi_cache;
int bidi_cache_size;
};