+/*
+ * Terminal emulator.
+ */
+
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#define TM_PUTTY (0xFFFF)
+#define UPDATE_DELAY ((TICKSPERSEC+49)/50)/* ticks to defer window update */
+#define TBLINK_DELAY ((TICKSPERSEC*9+19)/20)/* ticks between text blinks*/
+#define CBLINK_DELAY (CURSORBLINK) /* ticks between cursor blinks */
+#define VBELL_DELAY (VBELL_TIMEOUT) /* visual bell timeout in ticks */
+
#define compatibility(x) \
if ( ((CL_##x)&term->compatibility_level) == 0 ) { \
term->termstate=TOPLEVEL; \
#define has_compat(x) ( ((CL_##x)&term->compatibility_level) != 0 )
+char *EMPTY_WINDOW_TITLE = "";
+
const char sco2ansicolour[] = { 0, 4, 2, 6, 1, 5, 3, 7 };
#define sel_nl_sz (sizeof(sel_nl)/sizeof(wchar_t))
* then we must look one space further to the left.
*/
#define UCSGET(a, x) \
- ( (x)>0 && ((a)[(x)] & (CHAR_MASK | CSET_MASK)) == UCSWIDE ? \
- (a)[(x)-1] : (a)[(x)] )
+ ( (x)>0 && (a)[(x)].chr == UCSWIDE ? (a)[(x)-1].chr : (a)[(x)].chr )
+
+/*
+ * Detect the various aliases of U+0020 SPACE.
+ */
+#define IS_SPACE_CHR(chr) \
+ ((chr) == 0x20 || (DIRECT_CHAR(chr) && ((chr) & 0xFF) == 0x20))
+
+/*
+ * Spot magic CSETs.
+ */
+#define CSET_OF(chr) (DIRECT_CHAR(chr)||DIRECT_FONT(chr) ? (chr)&CSET_MASK : 0)
/*
* Internal prototypes.
*/
-static unsigned long *resizeline(unsigned long *, int);
-static unsigned long *lineptr(Terminal *, int, int);
+static void resizeline(Terminal *, termline *, int);
+static termline *lineptr(Terminal *, int, int, int);
+static void unlineptr(termline *);
static void do_paint(Terminal *, Context, int);
static void erase_lots(Terminal *, int, int, int);
+static int find_last_nonempty_line(Terminal *, tree234 *);
static void swap_screen(Terminal *, int, int, int);
static void update_sbar(Terminal *);
static void deselect(Terminal *);
static void term_print_finish(Terminal *);
+static void scroll(Terminal *, int, int, int, int);
#ifdef OPTIMISE_SCROLL
static void scroll_display(Terminal *, int, int, int);
#endif /* OPTIMISE_SCROLL */
+static termline *newline(Terminal *term, int cols, int bce)
+{
+ termline *line;
+ int j;
+
+ line = snew(termline);
+ line->chars = snewn(cols, termchar);
+ for (j = 0; j < cols; j++)
+ line->chars[j] = (bce ? term->erase_char : term->basic_erase_char);
+ line->cols = line->size = cols;
+ line->lattr = LATTR_NORM;
+ line->temporary = FALSE;
+ line->cc_free = 0;
+
+ return line;
+}
+
+static void freeline(termline *line)
+{
+ if (line) {
+ sfree(line->chars);
+ sfree(line);
+ }
+}
+
+static void unlineptr(termline *line)
+{
+ if (line->temporary)
+ freeline(line);
+}
+
+#ifdef TERM_CC_DIAGS
+/*
+ * Diagnostic function: verify that a termline has a correct
+ * combining character structure.
+ *
+ * This is a performance-intensive check, so it's no longer enabled
+ * by default.
+ */
+static void cc_check(termline *line)
+{
+ unsigned char *flags;
+ int i, j;
+
+ assert(line->size >= line->cols);
+
+ flags = snewn(line->size, unsigned char);
+
+ for (i = 0; i < line->size; i++)
+ flags[i] = (i < line->cols);
+
+ for (i = 0; i < line->cols; i++) {
+ j = i;
+ while (line->chars[j].cc_next) {
+ j += line->chars[j].cc_next;
+ assert(j >= line->cols && j < line->size);
+ assert(!flags[j]);
+ flags[j] = TRUE;
+ }
+ }
+
+ j = line->cc_free;
+ if (j) {
+ while (1) {
+ assert(j >= line->cols && j < line->size);
+ assert(!flags[j]);
+ flags[j] = TRUE;
+ if (line->chars[j].cc_next)
+ j += line->chars[j].cc_next;
+ else
+ break;
+ }
+ }
+
+ j = 0;
+ for (i = 0; i < line->size; i++)
+ j += (flags[i] != 0);
+
+ assert(j == line->size);
+
+ sfree(flags);
+}
+#endif
+
+/*
+ * Add a combining character to a character cell.
+ */
+static void add_cc(termline *line, int col, unsigned long chr)
+{
+ int newcc;
+
+ assert(col >= 0 && col < line->cols);
+
+ /*
+ * Start by extending the cols array if the free list is empty.
+ */
+ if (!line->cc_free) {
+ int n = line->size;
+ line->size += 16 + (line->size - line->cols) / 2;
+ line->chars = sresize(line->chars, line->size, termchar);
+ line->cc_free = n;
+ while (n < line->size) {
+ if (n+1 < line->size)
+ line->chars[n].cc_next = 1;
+ else
+ line->chars[n].cc_next = 0;
+ n++;
+ }
+ }
+
+ /*
+ * Now walk the cc list of the cell in question.
+ */
+ while (line->chars[col].cc_next)
+ col += line->chars[col].cc_next;
+
+ /*
+ * `col' now points at the last cc currently in this cell; so
+ * we simply add another one.
+ */
+ newcc = line->cc_free;
+ if (line->chars[newcc].cc_next)
+ line->cc_free = newcc + line->chars[newcc].cc_next;
+ else
+ line->cc_free = 0;
+ line->chars[newcc].cc_next = 0;
+ line->chars[newcc].chr = chr;
+ line->chars[col].cc_next = newcc - col;
+
+#ifdef TERM_CC_DIAGS
+ cc_check(line);
+#endif
+}
+
+/*
+ * Clear the combining character list in a character cell.
+ */
+static void clear_cc(termline *line, int col)
+{
+ int oldfree, origcol = col;
+
+ assert(col >= 0 && col < line->cols);
+
+ if (!line->chars[col].cc_next)
+ return; /* nothing needs doing */
+
+ oldfree = line->cc_free;
+ line->cc_free = col + line->chars[col].cc_next;
+ while (line->chars[col].cc_next)
+ col += line->chars[col].cc_next;
+ if (oldfree)
+ line->chars[col].cc_next = oldfree - col;
+ else
+ line->chars[col].cc_next = 0;
+
+ line->chars[origcol].cc_next = 0;
+
+#ifdef TERM_CC_DIAGS
+ cc_check(line);
+#endif
+}
+
+/*
+ * Compare two character cells for equality. Special case required
+ * in do_paint() where we override what we expect the chr and attr
+ * fields to be.
+ */
+static int termchars_equal_override(termchar *a, termchar *b,
+ unsigned long bchr, unsigned long battr)
+{
+ /* FULL-TERMCHAR */
+ if (a->chr != bchr)
+ return FALSE;
+ if ((a->attr &~ DATTR_MASK) != (battr &~ DATTR_MASK))
+ return FALSE;
+ while (a->cc_next || b->cc_next) {
+ if (!a->cc_next || !b->cc_next)
+ return FALSE; /* one cc-list ends, other does not */
+ a += a->cc_next;
+ b += b->cc_next;
+ if (a->chr != b->chr)
+ return FALSE;
+ }
+ return TRUE;
+}
+
+static int termchars_equal(termchar *a, termchar *b)
+{
+ return termchars_equal_override(a, b, b->chr, b->attr);
+}
+
+/*
+ * Copy a character cell. (Requires a pointer to the destination
+ * termline, so as to access its free list.)
+ */
+static void copy_termchar(termline *destline, int x, termchar *src)
+{
+ clear_cc(destline, x);
+
+ destline->chars[x] = *src; /* copy everything except cc-list */
+ destline->chars[x].cc_next = 0; /* and make sure this is zero */
+
+ while (src->cc_next) {
+ src += src->cc_next;
+ add_cc(destline, x, src->chr);
+ }
+
+#ifdef TERM_CC_DIAGS
+ cc_check(destline);
+#endif
+}
+
+/*
+ * Move a character cell within its termline.
+ */
+static void move_termchar(termline *line, termchar *dest, termchar *src)
+{
+ /* First clear the cc list from the original char, just in case. */
+ clear_cc(line, dest - line->chars);
+
+ /* Move the character cell and adjust its cc_next. */
+ *dest = *src; /* copy everything except cc-list */
+ if (src->cc_next)
+ dest->cc_next = src->cc_next - (dest-src);
+
+ /* Ensure the original cell doesn't have a cc list. */
+ src->cc_next = 0;
+
+#ifdef TERM_CC_DIAGS
+ cc_check(line);
+#endif
+}
+
+/*
+ * Compress and decompress a termline into an RLE-based format for
+ * storing in scrollback. (Since scrollback almost never needs to
+ * be modified and exists in huge quantities, this is a sensible
+ * tradeoff, particularly since it allows us to continue adding
+ * features to the main termchar structure without proportionally
+ * bloating the terminal emulator's memory footprint unless those
+ * features are in constant use.)
+ */
+struct buf {
+ unsigned char *data;
+ int len, size;
+};
+static void add(struct buf *b, unsigned char c)
+{
+ if (b->len >= b->size) {
+ b->size = (b->len * 3 / 2) + 512;
+ b->data = sresize(b->data, b->size, unsigned char);
+ }
+ b->data[b->len++] = c;
+}
+static int get(struct buf *b)
+{
+ return b->data[b->len++];
+}
+static void makerle(struct buf *b, termline *ldata,
+ void (*makeliteral)(struct buf *b, termchar *c,
+ unsigned long *state))
+{
+ int hdrpos, hdrsize, n, prevlen, prevpos, thislen, thispos, prev2;
+ termchar *c = ldata->chars;
+ unsigned long state = 0, oldstate;
+
+ n = ldata->cols;
+
+ hdrpos = b->len;
+ hdrsize = 0;
+ add(b, 0);
+ prevlen = prevpos = 0;
+ prev2 = FALSE;
+
+ while (n-- > 0) {
+ thispos = b->len;
+ makeliteral(b, c++, &state);
+ thislen = b->len - thispos;
+ if (thislen == prevlen &&
+ !memcmp(b->data + prevpos, b->data + thispos, thislen)) {
+ /*
+ * This literal precisely matches the previous one.
+ * Turn it into a run if it's worthwhile.
+ *
+ * With one-byte literals, it costs us two bytes to
+ * encode a run, plus another byte to write the header
+ * to resume normal output; so a three-element run is
+ * neutral, and anything beyond that is unconditionally
+ * worthwhile. With two-byte literals or more, even a
+ * 2-run is a win.
+ */
+ if (thislen > 1 || prev2) {
+ int runpos, runlen;
+
+ /*
+ * It's worth encoding a run. Start at prevpos,
+ * unless hdrsize==0 in which case we can back up
+ * another one and start by overwriting hdrpos.
+ */
+
+ hdrsize--; /* remove the literal at prevpos */
+ if (prev2) {
+ assert(hdrsize > 0);
+ hdrsize--;
+ prevpos -= prevlen;/* and possibly another one */
+ }
+
+ if (hdrsize == 0) {
+ assert(prevpos == hdrpos + 1);
+ runpos = hdrpos;
+ b->len = prevpos+prevlen;
+ } else {
+ memmove(b->data + prevpos+1, b->data + prevpos, prevlen);
+ runpos = prevpos;
+ b->len = prevpos+prevlen+1;
+ /*
+ * Terminate the previous run of ordinary
+ * literals.
+ */
+ assert(hdrsize >= 1 && hdrsize <= 128);
+ b->data[hdrpos] = hdrsize - 1;
+ }
+
+ runlen = prev2 ? 3 : 2;
+
+ while (n > 0 && runlen < 129) {
+ int tmppos, tmplen;
+ tmppos = b->len;
+ oldstate = state;
+ makeliteral(b, c, &state);
+ tmplen = b->len - tmppos;
+ b->len = tmppos;
+ if (tmplen != thislen ||
+ memcmp(b->data + runpos+1, b->data + tmppos, tmplen)) {
+ state = oldstate;
+ break; /* run over */
+ }
+ n--, c++, runlen++;
+ }
+
+ assert(runlen >= 2 && runlen <= 129);
+ b->data[runpos] = runlen + 0x80 - 2;
+
+ hdrpos = b->len;
+ hdrsize = 0;
+ add(b, 0);
+ /* And ensure this run doesn't interfere with the next. */
+ prevlen = prevpos = 0;
+ prev2 = FALSE;
+
+ continue;
+ } else {
+ /*
+ * Just flag that the previous two literals were
+ * identical, in case we find a third identical one
+ * we want to turn into a run.
+ */
+ prev2 = TRUE;
+ prevlen = thislen;
+ prevpos = thispos;
+ }
+ } else {
+ prev2 = FALSE;
+ prevlen = thislen;
+ prevpos = thispos;
+ }
+
+ /*
+ * This character isn't (yet) part of a run. Add it to
+ * hdrsize.
+ */
+ hdrsize++;
+ if (hdrsize == 128) {
+ b->data[hdrpos] = hdrsize - 1;
+ hdrpos = b->len;
+ hdrsize = 0;
+ add(b, 0);
+ prevlen = prevpos = 0;
+ prev2 = FALSE;
+ }
+ }
+
+ /*
+ * Clean up.
+ */
+ if (hdrsize > 0) {
+ assert(hdrsize <= 128);
+ b->data[hdrpos] = hdrsize - 1;
+ } else {
+ b->len = hdrpos;
+ }
+}
+static void makeliteral_chr(struct buf *b, termchar *c, unsigned long *state)
+{
+ /*
+ * My encoding for characters is UTF-8-like, in that it stores
+ * 7-bit ASCII in one byte and uses high-bit-set bytes as
+ * introducers to indicate a longer sequence. However, it's
+ * unlike UTF-8 in that it doesn't need to be able to
+ * resynchronise, and therefore I don't want to waste two bits
+ * per byte on having recognisable continuation characters.
+ * Also I don't want to rule out the possibility that I may one
+ * day use values 0x80000000-0xFFFFFFFF for interesting
+ * purposes, so unlike UTF-8 I need a full 32-bit range.
+ * Accordingly, here is my encoding:
+ *
+ * 00000000-0000007F: 0xxxxxxx (but see below)
+ * 00000080-00003FFF: 10xxxxxx xxxxxxxx
+ * 00004000-001FFFFF: 110xxxxx xxxxxxxx xxxxxxxx
+ * 00200000-0FFFFFFF: 1110xxxx xxxxxxxx xxxxxxxx xxxxxxxx
+ * 10000000-FFFFFFFF: 11110ZZZ xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx
+ *
+ * (`Z' is like `x' but is always going to be zero since the
+ * values I'm encoding don't go above 2^32. In principle the
+ * five-byte form of the encoding could extend to 2^35, and
+ * there could be six-, seven-, eight- and nine-byte forms as
+ * well to allow up to 64-bit values to be encoded. But that's
+ * completely unnecessary for these purposes!)
+ *
+ * The encoding as written above would be very simple, except
+ * that 7-bit ASCII can occur in several different ways in the
+ * terminal data; sometimes it crops up in the D800 page
+ * (CSET_ASCII) but at other times it's in the 0000 page (real
+ * Unicode). Therefore, this encoding is actually _stateful_:
+ * the one-byte encoding of 00-7F actually indicates `reuse the
+ * upper three bytes of the last character', and to encode an
+ * absolute value of 00-7F you need to use the two-byte form
+ * instead.
+ */
+ if ((c->chr & ~0x7F) == *state) {
+ add(b, (unsigned char)(c->chr & 0x7F));
+ } else if (c->chr < 0x4000) {
+ add(b, (unsigned char)(((c->chr >> 8) & 0x3F) | 0x80));
+ add(b, (unsigned char)(c->chr & 0xFF));
+ } else if (c->chr < 0x200000) {
+ add(b, (unsigned char)(((c->chr >> 16) & 0x1F) | 0xC0));
+ add(b, (unsigned char)((c->chr >> 8) & 0xFF));
+ add(b, (unsigned char)(c->chr & 0xFF));
+ } else if (c->chr < 0x10000000) {
+ add(b, (unsigned char)(((c->chr >> 24) & 0x0F) | 0xE0));
+ add(b, (unsigned char)((c->chr >> 16) & 0xFF));
+ add(b, (unsigned char)((c->chr >> 8) & 0xFF));
+ add(b, (unsigned char)(c->chr & 0xFF));
+ } else {
+ add(b, 0xF0);
+ add(b, (unsigned char)((c->chr >> 24) & 0xFF));
+ add(b, (unsigned char)((c->chr >> 16) & 0xFF));
+ add(b, (unsigned char)((c->chr >> 8) & 0xFF));
+ add(b, (unsigned char)(c->chr & 0xFF));
+ }
+ *state = c->chr & ~0xFF;
+}
+static void makeliteral_attr(struct buf *b, termchar *c, unsigned long *state)
+{
+ /*
+ * My encoding for attributes is 16-bit-granular and assumes
+ * that the top bit of the word is never required. I either
+ * store a two-byte value with the top bit clear (indicating
+ * just that value), or a four-byte value with the top bit set
+ * (indicating the same value with its top bit clear).
+ *
+ * However, first I permute the bits of the attribute value, so
+ * that the eight bits of colour (four in each of fg and bg)
+ * which are never non-zero unless xterm 256-colour mode is in
+ * use are placed higher up the word than everything else. This
+ * ensures that attribute values remain 16-bit _unless_ the
+ * user uses extended colour.
+ */
+ unsigned attr, colourbits;
+
+ attr = c->attr;
+
+ assert(ATTR_BGSHIFT > ATTR_FGSHIFT);
+
+ colourbits = (attr >> (ATTR_BGSHIFT + 4)) & 0xF;
+ colourbits <<= 4;
+ colourbits |= (attr >> (ATTR_FGSHIFT + 4)) & 0xF;
+
+ attr = (((attr >> (ATTR_BGSHIFT + 8)) << (ATTR_BGSHIFT + 4)) |
+ (attr & ((1 << (ATTR_BGSHIFT + 4))-1)));
+ attr = (((attr >> (ATTR_FGSHIFT + 8)) << (ATTR_FGSHIFT + 4)) |
+ (attr & ((1 << (ATTR_FGSHIFT + 4))-1)));
+
+ attr |= (colourbits << (32-9));
+
+ if (attr < 0x8000) {
+ add(b, (unsigned char)((attr >> 8) & 0xFF));
+ add(b, (unsigned char)(attr & 0xFF));
+ } else {
+ add(b, (unsigned char)(((attr >> 24) & 0x7F) | 0x80));
+ add(b, (unsigned char)((attr >> 16) & 0xFF));
+ add(b, (unsigned char)((attr >> 8) & 0xFF));
+ add(b, (unsigned char)(attr & 0xFF));
+ }
+}
+static void makeliteral_cc(struct buf *b, termchar *c, unsigned long *state)
+{
+ /*
+ * For combining characters, I just encode a bunch of ordinary
+ * chars using makeliteral_chr, and terminate with a \0
+ * character (which I know won't come up as a combining char
+ * itself).
+ *
+ * I don't use the stateful encoding in makeliteral_chr.
+ */
+ unsigned long zstate;
+ termchar z;
+
+ while (c->cc_next) {
+ c += c->cc_next;
+
+ assert(c->chr != 0);
+
+ zstate = 0;
+ makeliteral_chr(b, c, &zstate);
+ }
+
+ z.chr = 0;
+ zstate = 0;
+ makeliteral_chr(b, &z, &zstate);
+}
+
+static termline *decompressline(unsigned char *data, int *bytes_used);
+
+static unsigned char *compressline(termline *ldata)
+{
+ struct buf buffer = { NULL, 0, 0 }, *b = &buffer;
+
+ /*
+ * First, store the column count, 7 bits at a time, least
+ * significant `digit' first, with the high bit set on all but
+ * the last.
+ */
+ {
+ int n = ldata->cols;
+ while (n >= 128) {
+ add(b, (unsigned char)((n & 0x7F) | 0x80));
+ n >>= 7;
+ }
+ add(b, (unsigned char)(n));
+ }
+
+ /*
+ * Next store the lattrs; same principle.
+ */
+ {
+ int n = ldata->lattr;
+ while (n >= 128) {
+ add(b, (unsigned char)((n & 0x7F) | 0x80));
+ n >>= 7;
+ }
+ add(b, (unsigned char)(n));
+ }
+
+ /*
+ * Now we store a sequence of separate run-length encoded
+ * fragments, each containing exactly as many symbols as there
+ * are columns in the ldata.
+ *
+ * All of these have a common basic format:
+ *
+ * - a byte 00-7F indicates that X+1 literals follow it
+ * - a byte 80-FF indicates that a single literal follows it
+ * and expects to be repeated (X-0x80)+2 times.
+ *
+ * The format of the `literals' varies between the fragments.
+ */
+ makerle(b, ldata, makeliteral_chr);
+ makerle(b, ldata, makeliteral_attr);
+ makerle(b, ldata, makeliteral_cc);
+
+ /*
+ * Diagnostics: ensure that the compressed data really does
+ * decompress to the right thing.
+ *
+ * This is a bit performance-heavy for production code.
+ */
+#ifdef TERM_CC_DIAGS
+#ifndef CHECK_SB_COMPRESSION
+ {
+ int dused;
+ termline *dcl;
+ int i;
+
+#ifdef DIAGNOSTIC_SB_COMPRESSION
+ for (i = 0; i < b->len; i++) {
+ printf(" %02x ", b->data[i]);
+ }
+ printf("\n");
+#endif
+
+ dcl = decompressline(b->data, &dused);
+ assert(b->len == dused);
+ assert(ldata->cols == dcl->cols);
+ assert(ldata->lattr == dcl->lattr);
+ for (i = 0; i < ldata->cols; i++)
+ assert(termchars_equal(&ldata->chars[i], &dcl->chars[i]));
+
+#ifdef DIAGNOSTIC_SB_COMPRESSION
+ printf("%d cols (%d bytes) -> %d bytes (factor of %g)\n",
+ ldata->cols, 4 * ldata->cols, dused,
+ (double)dused / (4 * ldata->cols));
+#endif
+
+ freeline(dcl);
+ }
+#endif
+#endif /* TERM_CC_DIAGS */
+
+ /*
+ * Trim the allocated memory so we don't waste any, and return.
+ */
+ return sresize(b->data, b->len, unsigned char);
+}
+
+static void readrle(struct buf *b, termline *ldata,
+ void (*readliteral)(struct buf *b, termchar *c,
+ termline *ldata, unsigned long *state))
+{
+ int n = 0;
+ unsigned long state = 0;
+
+ while (n < ldata->cols) {
+ int hdr = get(b);
+
+ if (hdr >= 0x80) {
+ /* A run. */
+
+ int pos = b->len, count = hdr + 2 - 0x80;
+ while (count--) {
+ assert(n < ldata->cols);
+ b->len = pos;
+ readliteral(b, ldata->chars + n, ldata, &state);
+ n++;
+ }
+ } else {
+ /* Just a sequence of consecutive literals. */
+
+ int count = hdr + 1;
+ while (count--) {
+ assert(n < ldata->cols);
+ readliteral(b, ldata->chars + n, ldata, &state);
+ n++;
+ }
+ }
+ }
+
+ assert(n == ldata->cols);
+}
+static void readliteral_chr(struct buf *b, termchar *c, termline *ldata,
+ unsigned long *state)
+{
+ int byte;
+
+ /*
+ * 00000000-0000007F: 0xxxxxxx
+ * 00000080-00003FFF: 10xxxxxx xxxxxxxx
+ * 00004000-001FFFFF: 110xxxxx xxxxxxxx xxxxxxxx
+ * 00200000-0FFFFFFF: 1110xxxx xxxxxxxx xxxxxxxx xxxxxxxx
+ * 10000000-FFFFFFFF: 11110ZZZ xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx
+ */
+
+ byte = get(b);
+ if (byte < 0x80) {
+ c->chr = byte | *state;
+ } else if (byte < 0xC0) {
+ c->chr = (byte &~ 0xC0) << 8;
+ c->chr |= get(b);
+ } else if (byte < 0xE0) {
+ c->chr = (byte &~ 0xE0) << 16;
+ c->chr |= get(b) << 8;
+ c->chr |= get(b);
+ } else if (byte < 0xF0) {
+ c->chr = (byte &~ 0xF0) << 24;
+ c->chr |= get(b) << 16;
+ c->chr |= get(b) << 8;
+ c->chr |= get(b);
+ } else {
+ assert(byte == 0xF0);
+ c->chr = get(b) << 24;
+ c->chr |= get(b) << 16;
+ c->chr |= get(b) << 8;
+ c->chr |= get(b);
+ }
+ *state = c->chr & ~0xFF;
+}
+static void readliteral_attr(struct buf *b, termchar *c, termline *ldata,
+ unsigned long *state)
+{
+ unsigned val, attr, colourbits;
+
+ val = get(b) << 8;
+ val |= get(b);
+
+ if (val >= 0x8000) {
+ val &= ~0x8000;
+ val <<= 16;
+ val |= get(b) << 8;
+ val |= get(b);
+ }
+
+ colourbits = (val >> (32-9)) & 0xFF;
+ attr = (val & ((1<<(32-9))-1));
+
+ attr = (((attr >> (ATTR_FGSHIFT + 4)) << (ATTR_FGSHIFT + 8)) |
+ (attr & ((1 << (ATTR_FGSHIFT + 4))-1)));
+ attr = (((attr >> (ATTR_BGSHIFT + 4)) << (ATTR_BGSHIFT + 8)) |
+ (attr & ((1 << (ATTR_BGSHIFT + 4))-1)));
+
+ attr |= (colourbits >> 4) << (ATTR_BGSHIFT + 4);
+ attr |= (colourbits & 0xF) << (ATTR_FGSHIFT + 4);
+
+ c->attr = attr;
+}
+static void readliteral_cc(struct buf *b, termchar *c, termline *ldata,
+ unsigned long *state)
+{
+ termchar n;
+ unsigned long zstate;
+ int x = c - ldata->chars;
+
+ c->cc_next = 0;
+
+ while (1) {
+ zstate = 0;
+ readliteral_chr(b, &n, ldata, &zstate);
+ if (!n.chr)
+ break;
+ add_cc(ldata, x, n.chr);
+ }
+}
+
+static termline *decompressline(unsigned char *data, int *bytes_used)
+{
+ int ncols, byte, shift;
+ struct buf buffer, *b = &buffer;
+ termline *ldata;
+
+ b->data = data;
+ b->len = 0;
+
+ /*
+ * First read in the column count.
+ */
+ ncols = shift = 0;
+ do {
+ byte = get(b);
+ ncols |= (byte & 0x7F) << shift;
+ shift += 7;
+ } while (byte & 0x80);
+
+ /*
+ * Now create the output termline.
+ */
+ ldata = snew(termline);
+ ldata->chars = snewn(ncols, termchar);
+ ldata->cols = ldata->size = ncols;
+ ldata->temporary = TRUE;
+ ldata->cc_free = 0;
+
+ /*
+ * We must set all the cc pointers in ldata->chars to 0 right
+ * now, so that cc diagnostics that verify the integrity of the
+ * whole line will make sense while we're in the middle of
+ * building it up.
+ */
+ {
+ int i;
+ for (i = 0; i < ldata->cols; i++)
+ ldata->chars[i].cc_next = 0;
+ }
+
+ /*
+ * Now read in the lattr.
+ */
+ ldata->lattr = shift = 0;
+ do {
+ byte = get(b);
+ ldata->lattr |= (byte & 0x7F) << shift;
+ shift += 7;
+ } while (byte & 0x80);
+
+ /*
+ * Now we read in each of the RLE streams in turn.
+ */
+ readrle(b, ldata, readliteral_chr);
+ readrle(b, ldata, readliteral_attr);
+ readrle(b, ldata, readliteral_cc);
+
+ /* Return the number of bytes read, for diagnostic purposes. */
+ if (bytes_used)
+ *bytes_used = b->len;
+
+ return ldata;
+}
+
/*
* Resize a line to make it `cols' columns wide.
*/
-static unsigned long *resizeline(unsigned long *line, int cols)
+static void resizeline(Terminal *term, termline *line, int cols)
{
- int i, oldlen;
- unsigned long lineattrs;
+ int i, oldcols;
+
+ if (line->cols != cols) {
+
+ oldcols = line->cols;
- if (line[0] != (unsigned long)cols) {
/*
* This line is the wrong length, which probably means it
* hasn't been accessed since a resize. Resize it now.
+ *
+ * First, go through all the characters that will be thrown
+ * out in the resize (if we're shrinking the line) and
+ * return their cc lists to the cc free list.
*/
- oldlen = line[0];
- lineattrs = line[oldlen + 1];
- line = sresize(line, 2 + cols, TTYPE);
- line[0] = cols;
- for (i = oldlen; i < cols; i++)
- line[i + 1] = ERASE_CHAR;
- line[cols + 1] = lineattrs & LATTR_MODE;
- }
+ for (i = cols; i < oldcols; i++)
+ clear_cc(line, i);
- return line;
+ /*
+ * If we're shrinking the line, we now bodily move the
+ * entire cc section from where it started to where it now
+ * needs to be. (We have to do this before the resize, so
+ * that the data we're copying is still there. However, if
+ * we're expanding, we have to wait until _after_ the
+ * resize so that the space we're copying into is there.)
+ */
+ if (cols < oldcols)
+ memmove(line->chars + cols, line->chars + oldcols,
+ (line->size - line->cols) * TSIZE);
+
+ /*
+ * Now do the actual resize, leaving the _same_ amount of
+ * cc space as there was to begin with.
+ */
+ line->size += cols - oldcols;
+ line->chars = sresize(line->chars, line->size, TTYPE);
+ line->cols = cols;
+
+ /*
+ * If we're expanding the line, _now_ we move the cc
+ * section.
+ */
+ if (cols > oldcols)
+ memmove(line->chars + cols, line->chars + oldcols,
+ (line->size - line->cols) * TSIZE);
+
+ /*
+ * Go through what's left of the original line, and adjust
+ * the first cc_next pointer in each list. (All the
+ * subsequent ones are still valid because they are
+ * relative offsets within the cc block.) Also do the same
+ * to the head of the cc_free list.
+ */
+ for (i = 0; i < oldcols && i < cols; i++)
+ if (line->chars[i].cc_next)
+ line->chars[i].cc_next += cols - oldcols;
+ if (line->cc_free)
+ line->cc_free += cols - oldcols;
+
+ /*
+ * And finally fill in the new space with erase chars. (We
+ * don't have to worry about cc lists here, because we
+ * _know_ the erase char doesn't have one.)
+ */
+ for (i = oldcols; i < cols; i++)
+ line->chars[i] = term->basic_erase_char;
+
+#ifdef TERM_CC_DIAGS
+ cc_check(line);
+#endif
+ }
}
/*
static int sblines(Terminal *term)
{
int sblines = count234(term->scrollback);
- if (term->cfg.erase_to_scrollback &&
+ if (term->erase_to_scrollback &&
term->alt_which && term->alt_screen) {
sblines += term->alt_sblines;
}
* whether the y coordinate is non-negative or negative
* (respectively).
*/
-static unsigned long *lineptr(Terminal *term, int y, int lineno)
+static termline *lineptr(Terminal *term, int y, int lineno, int screen)
{
- unsigned long *line, *newline;
+ termline *line;
tree234 *whichtree;
int treeindex;
treeindex = y;
} else {
int altlines = 0;
- if (term->cfg.erase_to_scrollback &&
+
+ assert(!screen);
+
+ if (term->erase_to_scrollback &&
term->alt_which && term->alt_screen) {
altlines = term->alt_sblines;
}
/* treeindex = y + count234(term->alt_screen); */
}
}
- line = index234(whichtree, treeindex);
+ if (whichtree == term->scrollback) {
+ unsigned char *cline = index234(whichtree, treeindex);
+ line = decompressline(cline, NULL);
+ } else {
+ line = index234(whichtree, treeindex);
+ }
/* We assume that we don't screw up and retrieve something out of range. */
+ if (line == NULL) {
+ fatalbox("line==NULL in terminal.c\n"
+ "lineno=%d y=%d w=%d h=%d\n"
+ "count(scrollback=%p)=%d\n"
+ "count(screen=%p)=%d\n"
+ "count(alt=%p)=%d alt_sblines=%d\n"
+ "whichtree=%p treeindex=%d\n\n"
+ "Please contact <putty@projects.tartarus.org> "
+ "and pass on the above information.",
+ lineno, y, term->cols, term->rows,
+ term->scrollback, count234(term->scrollback),
+ term->screen, count234(term->screen),
+ term->alt_screen, count234(term->alt_screen), term->alt_sblines,
+ whichtree, treeindex);
+ }
assert(line != NULL);
- newline = resizeline(line, term->cols);
- if (newline != line) {
- delpos234(whichtree, treeindex);
- addpos234(whichtree, newline, treeindex);
- line = newline;
+ resizeline(term, line, term->cols);
+ /* FIXME: should we sort the compressed scrollback out here? */
+
+ return line;
+}
+
+#define lineptr(x) (lineptr)(term,x,__LINE__,FALSE)
+#define scrlineptr(x) (lineptr)(term,x,__LINE__,TRUE)
+
+static void term_schedule_tblink(Terminal *term);
+static void term_schedule_cblink(Terminal *term);
+
+static void term_timer(void *ctx, unsigned long now)
+{
+ Terminal *term = (Terminal *)ctx;
+ int update = FALSE;
+
+ if (term->tblink_pending && now == term->next_tblink) {
+ term->tblinker = !term->tblinker;
+ term->tblink_pending = FALSE;
+ term_schedule_tblink(term);
+ update = TRUE;
+ }
+
+ if (term->cblink_pending && now == term->next_cblink) {
+ term->cblinker = !term->cblinker;
+ term->cblink_pending = FALSE;
+ term_schedule_cblink(term);
+ update = TRUE;
+ }
+
+ if (term->in_vbell && now == term->vbell_end) {
+ term->in_vbell = FALSE;
+ update = TRUE;
}
- return line + 1;
+ if (update ||
+ (term->window_update_pending && now == term->next_update))
+ term_update(term);
+}
+
+static void term_schedule_update(Terminal *term)
+{
+ if (!term->window_update_pending) {
+ term->window_update_pending = TRUE;
+ term->next_update = schedule_timer(UPDATE_DELAY, term_timer, term);
+ }
+}
+
+/*
+ * Call this whenever the terminal window state changes, to queue
+ * an update.
+ */
+static void seen_disp_event(Terminal *term)
+{
+ term->seen_disp_event = TRUE; /* for scrollback-reset-on-activity */
+ term_schedule_update(term);
}
-#define lineptr(x) lineptr(term,x,__LINE__)
+/*
+ * Call when the terminal's blinking-text settings change, or when
+ * a text blink has just occurred.
+ */
+static void term_schedule_tblink(Terminal *term)
+{
+ if (term->blink_is_real) {
+ if (!term->tblink_pending)
+ term->next_tblink = schedule_timer(TBLINK_DELAY, term_timer, term);
+ term->tblink_pending = TRUE;
+ } else {
+ term->tblinker = 1; /* reset when not in use */
+ term->tblink_pending = FALSE;
+ }
+}
+
+/*
+ * Likewise with cursor blinks.
+ */
+static void term_schedule_cblink(Terminal *term)
+{
+ if (term->blink_cur && term->has_focus) {
+ if (!term->cblink_pending)
+ term->next_cblink = schedule_timer(CBLINK_DELAY, term_timer, term);
+ term->cblink_pending = TRUE;
+ } else {
+ term->cblinker = 1; /* reset when not in use */
+ term->cblink_pending = FALSE;
+ }
+}
+
+/*
+ * Call to reset cursor blinking on new output.
+ */
+static void term_reset_cblink(Terminal *term)
+{
+ seen_disp_event(term);
+ term->cblinker = 1;
+ term->cblink_pending = FALSE;
+ term_schedule_cblink(term);
+}
+
+/*
+ * Call to begin a visual bell.
+ */
+static void term_schedule_vbell(Terminal *term, int already_started,
+ long startpoint)
+{
+ long ticks_already_gone;
+
+ if (already_started)
+ ticks_already_gone = GETTICKCOUNT() - startpoint;
+ else
+ ticks_already_gone = 0;
+
+ if (ticks_already_gone < VBELL_DELAY) {
+ term->in_vbell = TRUE;
+ term->vbell_end = schedule_timer(VBELL_DELAY - ticks_already_gone,
+ term_timer, term);
+ } else {
+ term->in_vbell = FALSE;
+ }
+}
/*
* Set up power-on settings for the terminal.
+ * If 'clear' is false, don't actually clear the primary screen, and
+ * position the cursor below the last non-blank line (scrolling if
+ * necessary).
*/
-static void power_on(Terminal *term)
+static void power_on(Terminal *term, int clear)
{
- term->curs.x = term->curs.y = 0;
term->alt_x = term->alt_y = 0;
term->savecurs.x = term->savecurs.y = 0;
+ term->alt_savecurs.x = term->alt_savecurs.y = 0;
term->alt_t = term->marg_t = 0;
if (term->rows != -1)
term->alt_b = term->marg_b = term->rows - 1;
for (i = 0; i < term->cols; i++)
term->tabs[i] = (i % 8 == 0 ? TRUE : FALSE);
}
- term->alt_om = term->dec_om = term->cfg.dec_om;
+ term->alt_om = term->dec_om = conf_get_int(term->conf, CONF_dec_om);
term->alt_ins = term->insert = FALSE;
- term->alt_wnext = term->wrapnext = term->save_wnext = FALSE;
- term->alt_wrap = term->wrap = term->cfg.wrap_mode;
- term->alt_cset = term->cset = term->save_cset = 0;
- term->alt_utf = term->utf = term->save_utf = 0;
+ term->alt_wnext = term->wrapnext =
+ term->save_wnext = term->alt_save_wnext = FALSE;
+ term->alt_wrap = term->wrap = conf_get_int(term->conf, CONF_wrap_mode);
+ term->alt_cset = term->cset = term->save_cset = term->alt_save_cset = 0;
+ term->alt_utf = term->utf = term->save_utf = term->alt_save_utf = 0;
term->utf_state = 0;
- term->alt_sco_acs = term->sco_acs = term->save_sco_acs = 0;
- term->cset_attr[0] = term->cset_attr[1] = term->save_csattr = ATTR_ASCII;
+ term->alt_sco_acs = term->sco_acs =
+ term->save_sco_acs = term->alt_save_sco_acs = 0;
+ term->cset_attr[0] = term->cset_attr[1] =
+ term->save_csattr = term->alt_save_csattr = CSET_ASCII;
term->rvideo = 0;
term->in_vbell = FALSE;
term->cursor_on = 1;
term->big_cursor = 0;
- term->default_attr = term->save_attr = term->curr_attr = ATTR_DEFAULT;
+ term->default_attr = term->save_attr =
+ term->alt_save_attr = term->curr_attr = ATTR_DEFAULT;
term->term_editing = term->term_echoing = FALSE;
- term->app_cursor_keys = term->cfg.app_cursor;
- term->app_keypad_keys = term->cfg.app_keypad;
- term->use_bce = term->cfg.bce;
- term->blink_is_real = term->cfg.blinktext;
- term->erase_char = ERASE_CHAR;
+ term->app_cursor_keys = conf_get_int(term->conf, CONF_app_cursor);
+ term->app_keypad_keys = conf_get_int(term->conf, CONF_app_keypad);
+ term->use_bce = conf_get_int(term->conf, CONF_bce);
+ term->blink_is_real = conf_get_int(term->conf, CONF_blinktext);
+ term->erase_char = term->basic_erase_char;
term->alt_which = 0;
term_print_finish(term);
+ term->xterm_mouse = 0;
+ term->xterm_extended_mouse = 0;
+ term->urxvt_extended_mouse = 0;
+ set_raw_mouse_mode(term->frontend, FALSE);
+ term->bracketed_paste = FALSE;
{
int i;
for (i = 0; i < 256; i++)
- term->wordness[i] = term->cfg.wordness[i];
+ term->wordness[i] = conf_get_int_int(term->conf, CONF_wordness, i);
}
if (term->screen) {
swap_screen(term, 1, FALSE, FALSE);
erase_lots(term, FALSE, TRUE, TRUE);
swap_screen(term, 0, FALSE, FALSE);
- erase_lots(term, FALSE, TRUE, TRUE);
+ if (clear)
+ erase_lots(term, FALSE, TRUE, TRUE);
+ term->curs.y = find_last_nonempty_line(term, term->screen) + 1;
+ if (term->curs.y == term->rows) {
+ term->curs.y--;
+ scroll(term, 0, term->rows - 1, 1, TRUE);
+ }
+ } else {
+ term->curs.y = 0;
}
+ term->curs.x = 0;
+ term_schedule_tblink(term);
+ term_schedule_cblink(term);
}
/*
void term_update(Terminal *term)
{
Context ctx;
+
+ term->window_update_pending = FALSE;
+
ctx = get_ctx(term->frontend);
if (ctx) {
int need_sbar_update = term->seen_disp_event;
- if (term->seen_disp_event && term->cfg.scroll_on_disp) {
+ if (term->seen_disp_event && term->scroll_on_disp) {
term->disptop = 0; /* return to main screen */
term->seen_disp_event = 0;
need_sbar_update = TRUE;
}
+
if (need_sbar_update)
update_sbar(term);
do_paint(term, ctx, TRUE);
/*
* Reset the scrollback on keypress, if we're doing that.
*/
- if (term->cfg.scroll_on_key) {
+ if (term->scroll_on_key) {
term->disptop = 0; /* return to main screen */
- term->seen_disp_event = 1;
+ seen_disp_event(term);
}
}
/*
* Same as power_on(), but an external function.
*/
-void term_pwron(Terminal *term)
+void term_pwron(Terminal *term, int clear)
{
- power_on(term);
+ power_on(term, clear);
if (term->ldisc) /* cause ldisc to notice changes */
ldisc_send(term->ldisc, NULL, 0, 0);
- fix_cpos;
term->disptop = 0;
deselect(term);
term_update(term);
}
+static void set_erase_char(Terminal *term)
+{
+ term->erase_char = term->basic_erase_char;
+ if (term->use_bce)
+ term->erase_char.attr = (term->curr_attr &
+ (ATTR_FGMASK | ATTR_BGMASK));
+}
+
+/*
+ * 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.
+ */
+void term_copy_stuff_from_conf(Terminal *term)
+{
+ term->ansi_colour = conf_get_int(term->conf, CONF_ansi_colour);
+ term->arabicshaping = conf_get_int(term->conf, CONF_arabicshaping);
+ term->beep = conf_get_int(term->conf, CONF_beep);
+ term->bellovl = conf_get_int(term->conf, CONF_bellovl);
+ term->bellovl_n = conf_get_int(term->conf, CONF_bellovl_n);
+ term->bellovl_s = conf_get_int(term->conf, CONF_bellovl_s);
+ term->bellovl_t = conf_get_int(term->conf, CONF_bellovl_t);
+ term->bidi = conf_get_int(term->conf, CONF_bidi);
+ term->bksp_is_delete = conf_get_int(term->conf, CONF_bksp_is_delete);
+ term->blink_cur = conf_get_int(term->conf, CONF_blink_cur);
+ term->blinktext = conf_get_int(term->conf, CONF_blinktext);
+ term->cjk_ambig_wide = conf_get_int(term->conf, CONF_cjk_ambig_wide);
+ term->conf_height = conf_get_int(term->conf, CONF_height);
+ term->conf_width = conf_get_int(term->conf, CONF_width);
+ term->crhaslf = conf_get_int(term->conf, CONF_crhaslf);
+ term->erase_to_scrollback = conf_get_int(term->conf, CONF_erase_to_scrollback);
+ term->funky_type = conf_get_int(term->conf, CONF_funky_type);
+ term->lfhascr = conf_get_int(term->conf, CONF_lfhascr);
+ term->logflush = conf_get_int(term->conf, CONF_logflush);
+ term->logtype = conf_get_int(term->conf, CONF_logtype);
+ term->mouse_override = conf_get_int(term->conf, CONF_mouse_override);
+ term->nethack_keypad = conf_get_int(term->conf, CONF_nethack_keypad);
+ term->no_alt_screen = conf_get_int(term->conf, CONF_no_alt_screen);
+ term->no_applic_c = conf_get_int(term->conf, CONF_no_applic_c);
+ term->no_applic_k = conf_get_int(term->conf, CONF_no_applic_k);
+ term->no_dbackspace = conf_get_int(term->conf, CONF_no_dbackspace);
+ term->no_mouse_rep = conf_get_int(term->conf, CONF_no_mouse_rep);
+ term->no_remote_charset = conf_get_int(term->conf, CONF_no_remote_charset);
+ term->no_remote_resize = conf_get_int(term->conf, CONF_no_remote_resize);
+ term->no_remote_wintitle = conf_get_int(term->conf, CONF_no_remote_wintitle);
+ term->rawcnp = conf_get_int(term->conf, CONF_rawcnp);
+ term->rect_select = conf_get_int(term->conf, CONF_rect_select);
+ term->remote_qtitle_action = conf_get_int(term->conf, CONF_remote_qtitle_action);
+ term->rxvt_homeend = conf_get_int(term->conf, CONF_rxvt_homeend);
+ term->scroll_on_disp = conf_get_int(term->conf, CONF_scroll_on_disp);
+ term->scroll_on_key = conf_get_int(term->conf, CONF_scroll_on_key);
+ term->xterm_256_colour = conf_get_int(term->conf, CONF_xterm_256_colour);
+
+ /*
+ * Parse the control-character escapes in the configured
+ * answerback string.
+ */
+ {
+ char *answerback = conf_get_str(term->conf, CONF_answerback);
+ int maxlen = strlen(answerback);
+
+ term->answerback = snewn(maxlen, char);
+ term->answerbacklen = 0;
+
+ while (*answerback) {
+ char *n;
+ char c = ctrlparse(answerback, &n);
+ if (n) {
+ term->answerback[term->answerbacklen++] = c;
+ answerback = n;
+ } else {
+ term->answerback[term->answerbacklen++] = *answerback++;
+ }
+ }
+ }
+}
+
/*
* When the user reconfigures us, we need to check the forbidden-
* alternate-screen config option, disable raw mouse mode if the
* user has disabled mouse reporting, and abandon a print job if
* the user has disabled printing.
*/
-void term_reconfig(Terminal *term, Config *cfg)
+void term_reconfig(Terminal *term, Conf *conf)
{
/*
* Before adopting the new config, check all those terminal
* default one. The full list is: Auto wrap mode, DEC Origin
* Mode, BCE, blinking text, character classes.
*/
- int reset_wrap, reset_decom, reset_bce, reset_blink, reset_charclass;
+ int reset_wrap, reset_decom, reset_bce, reset_tblink, reset_charclass;
int i;
- reset_wrap = (term->cfg.wrap_mode != cfg->wrap_mode);
- reset_decom = (term->cfg.dec_om != cfg->dec_om);
- reset_bce = (term->cfg.bce != cfg->bce);
- reset_blink = (term->cfg.blinktext != cfg->blinktext);
+ reset_wrap = (conf_get_int(term->conf, CONF_wrap_mode) !=
+ conf_get_int(conf, CONF_wrap_mode));
+ reset_decom = (conf_get_int(term->conf, CONF_dec_om) !=
+ conf_get_int(conf, CONF_dec_om));
+ reset_bce = (conf_get_int(term->conf, CONF_bce) !=
+ conf_get_int(conf, CONF_bce));
+ reset_tblink = (conf_get_int(term->conf, CONF_blinktext) !=
+ conf_get_int(conf, CONF_blinktext));
reset_charclass = 0;
- for (i = 0; i < lenof(term->cfg.wordness); i++)
- if (term->cfg.wordness[i] != cfg->wordness[i])
+ for (i = 0; i < 256; i++)
+ if (conf_get_int_int(term->conf, CONF_wordness, i) !=
+ conf_get_int_int(conf, CONF_wordness, i))
reset_charclass = 1;
- term->cfg = *cfg; /* STRUCTURE COPY */
+ /*
+ * If the bidi or shaping settings have changed, flush the bidi
+ * cache completely.
+ */
+ if (conf_get_int(term->conf, CONF_arabicshaping) !=
+ conf_get_int(conf, CONF_arabicshaping) ||
+ conf_get_int(term->conf, CONF_bidi) !=
+ conf_get_int(conf, CONF_bidi)) {
+ for (i = 0; i < term->bidi_cache_size; i++) {
+ sfree(term->pre_bidi_cache[i].chars);
+ sfree(term->post_bidi_cache[i].chars);
+ term->pre_bidi_cache[i].width = -1;
+ term->pre_bidi_cache[i].chars = NULL;
+ term->post_bidi_cache[i].width = -1;
+ term->post_bidi_cache[i].chars = NULL;
+ }
+ }
+
+ conf_free(term->conf);
+ term->conf = conf_copy(conf);
if (reset_wrap)
- term->alt_wrap = term->wrap = term->cfg.wrap_mode;
+ term->alt_wrap = term->wrap = conf_get_int(term->conf, CONF_wrap_mode);
if (reset_decom)
- term->alt_om = term->dec_om = term->cfg.dec_om;
+ term->alt_om = term->dec_om = conf_get_int(term->conf, CONF_dec_om);
if (reset_bce) {
- term->use_bce = term->cfg.bce;
- if (term->use_bce)
- term->erase_char = (' ' | ATTR_ASCII |
- (term->curr_attr &
- (ATTR_FGMASK | ATTR_BGMASK)));
- else
- term->erase_char = ERASE_CHAR;
+ term->use_bce = conf_get_int(term->conf, CONF_bce);
+ set_erase_char(term);
+ }
+ if (reset_tblink) {
+ term->blink_is_real = conf_get_int(term->conf, CONF_blinktext);
}
- if (reset_blink)
- term->blink_is_real = term->cfg.blinktext;
if (reset_charclass)
for (i = 0; i < 256; i++)
- term->wordness[i] = term->cfg.wordness[i];
+ term->wordness[i] = conf_get_int_int(term->conf, CONF_wordness, i);
- if (term->cfg.no_alt_screen)
+ if (conf_get_int(term->conf, CONF_no_alt_screen))
swap_screen(term, 0, FALSE, FALSE);
- if (term->cfg.no_mouse_rep) {
+ if (conf_get_int(term->conf, CONF_no_mouse_rep)) {
term->xterm_mouse = 0;
set_raw_mouse_mode(term->frontend, 0);
}
- if (term->cfg.no_remote_charset) {
- term->cset_attr[0] = term->cset_attr[1] = ATTR_ASCII;
+ if (conf_get_int(term->conf, CONF_no_remote_charset)) {
+ term->cset_attr[0] = term->cset_attr[1] = CSET_ASCII;
term->sco_acs = term->alt_sco_acs = 0;
term->utf = 0;
}
- if (!*term->cfg.printer) {
+ if (!conf_get_str(term->conf, CONF_printer)) {
term_print_finish(term);
}
+ term_schedule_tblink(term);
+ term_schedule_cblink(term);
+ term_copy_stuff_from_conf(term);
}
/*
*/
void term_clrsb(Terminal *term)
{
- unsigned long *line;
+ unsigned char *line;
term->disptop = 0;
while ((line = delpos234(term->scrollback, 0)) != NULL) {
- sfree(line);
+ sfree(line); /* this is compressed data, not a termline */
}
term->tempsblines = 0;
term->alt_sblines = 0;
/*
* Initialise the terminal.
*/
-Terminal *term_init(Config *mycfg, struct unicode_data *ucsdata,
+Terminal *term_init(Conf *myconf, struct unicode_data *ucsdata,
void *frontend)
{
Terminal *term;
term = snew(Terminal);
term->frontend = frontend;
term->ucsdata = ucsdata;
- term->cfg = *mycfg; /* STRUCTURE COPY */
+ term->conf = conf_copy(myconf);
term->logctx = NULL;
term->compatibility_level = TM_PUTTY;
strcpy(term->id_string, "\033[?6c");
- term->last_blink = term->last_tblink = 0;
+ term->cblink_pending = term->tblink_pending = FALSE;
term->paste_buffer = NULL;
term->paste_len = 0;
term->last_paste = 0;
term->vt52_mode = FALSE;
term->cr_lf_return = FALSE;
term->seen_disp_event = FALSE;
- term->xterm_mouse = term->mouse_is_down = FALSE;
+ term->mouse_is_down = FALSE;
term->reset_132 = FALSE;
- term->blinker = term->tblinker = 0;
+ term->cblinker = term->tblinker = 0;
term->has_focus = 1;
term->repeat_off = FALSE;
term->termstate = TOPLEVEL;
term->selstate = NO_SELECTION;
term->curstype = 0;
+ term_copy_stuff_from_conf(term);
+
term->screen = term->alt_screen = term->scrollback = NULL;
term->tempsblines = 0;
term->alt_sblines = 0;
term->disptop = 0;
- term->disptext = term->dispcurs = NULL;
+ term->disptext = NULL;
+ term->dispcursx = term->dispcursy = -1;
term->tabs = NULL;
deselect(term);
term->rows = term->cols = -1;
- power_on(term);
+ power_on(term, TRUE);
term->beephead = term->beeptail = NULL;
#ifdef OPTIMISE_SCROLL
term->scrollhead = term->scrolltail = NULL;
term->resize_fn = NULL;
term->resize_ctx = NULL;
term->in_term_out = FALSE;
+ term->ltemp = NULL;
+ term->ltemp_size = 0;
+ term->wcFrom = NULL;
+ term->wcTo = NULL;
+ term->wcFromTo_size = 0;
+
+ term->window_update_pending = FALSE;
+
+ term->bidi_cache_size = 0;
+ term->pre_bidi_cache = term->post_bidi_cache = NULL;
+
+ /* FULL-TERMCHAR */
+ term->basic_erase_char.chr = CSET_ASCII | ' ';
+ term->basic_erase_char.attr = ATTR_DEFAULT;
+ term->basic_erase_char.cc_next = 0;
+ term->erase_char = term->basic_erase_char;
return term;
}
void term_free(Terminal *term)
{
- unsigned long *line;
+ termline *line;
struct beeptime *beep;
+ int i;
while ((line = delpos234(term->scrollback, 0)) != NULL)
- sfree(line);
+ sfree(line); /* compressed data, not a termline */
freetree234(term->scrollback);
while ((line = delpos234(term->screen, 0)) != NULL)
- sfree(line);
+ freeline(line);
freetree234(term->screen);
while ((line = delpos234(term->alt_screen, 0)) != NULL)
- sfree(line);
+ freeline(line);
freetree234(term->alt_screen);
+ if (term->disptext) {
+ for (i = 0; i < term->rows; i++)
+ freeline(term->disptext[i]);
+ }
sfree(term->disptext);
while (term->beephead) {
beep = term->beephead;
printer_finish_job(term->print_job);
bufchain_clear(&term->printer_buf);
sfree(term->paste_buffer);
+ sfree(term->ltemp);
+ sfree(term->wcFrom);
+ sfree(term->wcTo);
+
+ for (i = 0; i < term->bidi_cache_size; i++) {
+ sfree(term->pre_bidi_cache[i].chars);
+ sfree(term->post_bidi_cache[i].chars);
+ sfree(term->post_bidi_cache[i].forward);
+ sfree(term->post_bidi_cache[i].backward);
+ }
+ sfree(term->pre_bidi_cache);
+ sfree(term->post_bidi_cache);
+
+ sfree(term->tabs);
+
+ expire_timer_context(term);
+
+ conf_free(term->conf);
+
sfree(term);
}
void term_size(Terminal *term, int newrows, int newcols, int newsavelines)
{
tree234 *newalt;
- unsigned long *newdisp, *line;
- int i, j;
+ termline **newdisp, *line;
+ int i, j, oldrows = term->rows;
int sblen;
int save_alt_which = term->alt_which;
newsavelines == term->savelines)
return; /* nothing to do */
+ /* Behave sensibly if we're given zero (or negative) rows/cols */
+
+ if (newrows < 1) newrows = 1;
+ if (newcols < 1) newcols = 1;
+
deselect(term);
swap_screen(term, 0, FALSE, FALSE);
assert(term->rows == count234(term->screen));
while (term->rows < newrows) {
if (term->tempsblines > 0) {
+ unsigned char *cline;
/* Insert a line from the scrollback at the top of the screen. */
assert(sblen >= term->tempsblines);
- line = delpos234(term->scrollback, --sblen);
+ cline = delpos234(term->scrollback, --sblen);
+ line = decompressline(cline, NULL);
+ sfree(cline);
+ line->temporary = FALSE; /* reconstituted line is now real */
term->tempsblines -= 1;
addpos234(term->screen, line, 0);
term->curs.y += 1;
term->savecurs.y += 1;
+ term->alt_y += 1;
+ term->alt_savecurs.y += 1;
} else {
/* Add a new blank line at the bottom of the screen. */
- line = snewn(newcols + 2, TTYPE);
- line[0] = newcols;
- for (j = 0; j < newcols; j++)
- line[j + 1] = ERASE_CHAR;
- line[newcols + 1] = LATTR_NORM;
+ line = newline(term, newcols, FALSE);
addpos234(term->screen, line, count234(term->screen));
}
term->rows += 1;
while (term->rows > newrows) {
if (term->curs.y < term->rows - 1) {
/* delete bottom row, unless it contains the cursor */
- sfree(delpos234(term->screen, term->rows - 1));
+ line = delpos234(term->screen, term->rows - 1);
+ freeline(line);
} else {
/* push top row to scrollback */
line = delpos234(term->screen, 0);
- addpos234(term->scrollback, line, sblen++);
+ addpos234(term->scrollback, compressline(line), sblen++);
+ freeline(line);
term->tempsblines += 1;
term->curs.y -= 1;
term->savecurs.y -= 1;
+ term->alt_y -= 1;
+ term->alt_savecurs.y -= 1;
}
term->rows -= 1;
}
term->disptop = 0;
/* Make a new displayed text buffer. */
- newdisp = snewn(newrows * (newcols + 1), TTYPE);
- for (i = 0; i < newrows * (newcols + 1); i++)
- newdisp[i] = ATTR_INVALID;
+ newdisp = snewn(newrows, termline *);
+ for (i = 0; i < newrows; i++) {
+ newdisp[i] = newline(term, newcols, FALSE);
+ for (j = 0; j < newcols; j++)
+ newdisp[i]->chars[j].attr = ATTR_INVALID;
+ }
+ if (term->disptext) {
+ for (i = 0; i < oldrows; i++)
+ freeline(term->disptext[i]);
+ }
sfree(term->disptext);
term->disptext = newdisp;
- term->dispcurs = NULL;
+ term->dispcursx = term->dispcursy = -1;
/* Make a new alternate screen. */
newalt = newtree234(NULL);
for (i = 0; i < newrows; i++) {
- line = snewn(newcols + 2, TTYPE);
- line[0] = newcols;
- for (j = 0; j < newcols; j++)
- line[j + 1] = term->erase_char;
- line[newcols + 1] = LATTR_NORM;
+ line = newline(term, newcols, TRUE);
addpos234(newalt, line, i);
}
if (term->alt_screen) {
while (NULL != (line = delpos234(term->alt_screen, 0)))
- sfree(line);
+ freeline(line);
freetree234(term->alt_screen);
}
term->alt_screen = newalt;
term->savecurs.y = 0;
if (term->savecurs.y >= newrows)
term->savecurs.y = newrows - 1;
+ if (term->savecurs.x >= newcols)
+ term->savecurs.x = newcols - 1;
+ if (term->alt_savecurs.y < 0)
+ term->alt_savecurs.y = 0;
+ if (term->alt_savecurs.y >= newrows)
+ term->alt_savecurs.y = newrows - 1;
+ if (term->alt_savecurs.x >= newcols)
+ term->alt_savecurs.x = newcols - 1;
if (term->curs.y < 0)
term->curs.y = 0;
if (term->curs.y >= newrows)
term->curs.y = newrows - 1;
if (term->curs.x >= newcols)
term->curs.x = newcols - 1;
+ if (term->alt_y < 0)
+ term->alt_y = 0;
+ if (term->alt_y >= newrows)
+ term->alt_y = newrows - 1;
+ if (term->alt_x >= newcols)
+ term->alt_x = newcols - 1;
term->alt_x = term->alt_y = 0;
term->wrapnext = term->alt_wnext = FALSE;
term->rows = newrows;
term->cols = newcols;
term->savelines = newsavelines;
- fix_cpos;
swap_screen(term, save_alt_which, FALSE, FALSE);
{
term->resize_fn = resize_fn;
term->resize_ctx = resize_ctx;
- if (term->cols > 0 && term->rows > 0)
+ if (resize_fn && term->cols > 0 && term->rows > 0)
resize_fn(resize_ctx, term->cols, term->rows);
}
{
int i;
for (i = count234(screen) - 1; i >= 0; i--) {
- unsigned long *line = index234(screen, i);
+ termline *line = index234(screen, i);
int j;
- int cols = line[0];
- for (j = 0; j < cols; j++) {
- if (line[j + 1] != term->erase_char) break;
- }
- if (j != cols) break;
+ for (j = 0; j < line->cols; j++)
+ if (!termchars_equal(&line->chars[j], &term->erase_char))
+ break;
+ if (j != line->cols) break;
}
return i;
}
static void swap_screen(Terminal *term, int which, int reset, int keep_cur_pos)
{
int t;
+ pos tp;
tree234 *ttr;
if (!which)
t = term->sco_acs;
if (!reset) term->sco_acs = term->alt_sco_acs;
term->alt_sco_acs = t;
+
+ tp = term->savecurs;
+ if (!reset && !keep_cur_pos)
+ term->savecurs = term->alt_savecurs;
+ term->alt_savecurs = tp;
+ t = term->save_cset;
+ if (!reset && !keep_cur_pos)
+ term->save_cset = term->alt_save_cset;
+ term->alt_save_cset = t;
+ t = term->save_csattr;
+ if (!reset && !keep_cur_pos)
+ term->save_csattr = term->alt_save_csattr;
+ term->alt_save_csattr = t;
+ t = term->save_attr;
+ if (!reset && !keep_cur_pos)
+ term->save_attr = term->alt_save_attr;
+ term->alt_save_attr = t;
+ t = term->save_utf;
+ if (!reset && !keep_cur_pos)
+ term->save_utf = term->alt_save_utf;
+ term->alt_save_utf = t;
+ t = term->save_wnext;
+ if (!reset && !keep_cur_pos)
+ term->save_wnext = term->alt_save_wnext;
+ term->alt_save_wnext = t;
+ t = term->save_sco_acs;
+ if (!reset && !keep_cur_pos)
+ term->save_sco_acs = term->alt_save_sco_acs;
+ term->alt_save_sco_acs = t;
}
if (reset && term->screen) {
*/
erase_lots(term, FALSE, TRUE, TRUE);
}
-
- /*
- * This might not be possible if we're called during
- * initialisation.
- */
- if (term->screen)
- fix_cpos;
}
/*
* Scroll the screen. (`lines' is +ve for scrolling forward, -ve
* for backward.) `sb' is TRUE if the scrolling is permitted to
* affect the scrollback buffer.
- *
- * NB this function invalidates all pointers into lines of the
- * screen data structures. In particular, you MUST call fix_cpos
- * after calling scroll() and before doing anything else that
- * uses the cpos shortcut pointer.
*/
static void scroll(Terminal *term, int topline, int botline, int lines, int sb)
{
- unsigned long *line, *line2;
- int i, seltop, olddisptop, shift;
+ termline *line;
+ int i, seltop, scrollwinsize;
+#ifdef OPTIMISE_SCROLL
+ int olddisptop, shift;
+#endif /* OPTIMISE_SCROLL */
if (topline != 0 || term->alt_which != 0)
sb = FALSE;
+#ifdef OPTIMISE_SCROLL
olddisptop = term->disptop;
shift = lines;
+#endif /* OPTIMISE_SCROLL */
+
+ scrollwinsize = botline - topline + 1;
+
if (lines < 0) {
- while (lines < 0) {
+ lines = -lines;
+ if (lines > scrollwinsize)
+ lines = scrollwinsize;
+ while (lines-- > 0) {
line = delpos234(term->screen, botline);
- line = resizeline(line, term->cols);
+ resizeline(term, line, term->cols);
for (i = 0; i < term->cols; i++)
- line[i + 1] = term->erase_char;
- line[term->cols + 1] = 0;
+ copy_termchar(line, i, &term->erase_char);
+ line->lattr = LATTR_NORM;
addpos234(term->screen, line, topline);
if (term->selstart.y >= topline && term->selstart.y <= botline) {
term->selend.x = 0;
}
}
-
- lines++;
}
} else {
- while (lines > 0) {
+ if (lines > scrollwinsize)
+ lines = scrollwinsize;
+ while (lines-- > 0) {
line = delpos234(term->screen, topline);
+#ifdef TERM_CC_DIAGS
+ cc_check(line);
+#endif
if (sb && term->savelines > 0) {
int sblen = count234(term->scrollback);
/*
* We must add this line to the scrollback. We'll
- * remove a line from the top of the scrollback to
- * replace it, or allocate a new one if the
- * scrollback isn't full.
+ * remove a line from the top of the scrollback if
+ * the scrollback is full.
*/
if (sblen == term->savelines) {
- sblen--, line2 = delpos234(term->scrollback, 0);
- } else {
- line2 = snewn(term->cols + 2, TTYPE);
- line2[0] = term->cols;
+ unsigned char *cline;
+
+ sblen--;
+ cline = delpos234(term->scrollback, 0);
+ sfree(cline);
+ } else
term->tempsblines += 1;
- }
- addpos234(term->scrollback, line, sblen);
- line = line2;
+
+ addpos234(term->scrollback, compressline(line), sblen);
+
+ /* now `line' itself can be reused as the bottom line */
/*
* If the user is currently looking at part of the
if (term->disptop > -term->savelines && term->disptop < 0)
term->disptop--;
}
- line = resizeline(line, term->cols);
+ resizeline(term, line, term->cols);
for (i = 0; i < term->cols; i++)
- line[i + 1] = term->erase_char;
- line[term->cols + 1] = LATTR_NORM;
+ copy_termchar(line, i, &term->erase_char);
+ line->lattr = LATTR_NORM;
addpos234(term->screen, line, botline);
/*
*/
seltop = sb ? -term->savelines : topline;
- if (term->selstart.y >= seltop &&
- term->selstart.y <= botline) {
- term->selstart.y--;
- if (term->selstart.y < seltop) {
- term->selstart.y = seltop;
- term->selstart.x = 0;
+ if (term->selstate != NO_SELECTION) {
+ if (term->selstart.y >= seltop &&
+ term->selstart.y <= botline) {
+ term->selstart.y--;
+ if (term->selstart.y < seltop) {
+ term->selstart.y = seltop;
+ term->selstart.x = 0;
+ }
}
- }
- if (term->selend.y >= seltop && term->selend.y <= botline) {
- term->selend.y--;
- if (term->selend.y < seltop) {
- term->selend.y = seltop;
- term->selend.x = 0;
+ if (term->selend.y >= seltop && term->selend.y <= botline) {
+ term->selend.y--;
+ if (term->selend.y < seltop) {
+ term->selend.y = seltop;
+ term->selend.x = 0;
+ }
}
- }
- if (term->selanchor.y >= seltop && term->selanchor.y <= botline) {
- term->selanchor.y--;
- if (term->selanchor.y < seltop) {
- term->selanchor.y = seltop;
- term->selanchor.x = 0;
+ if (term->selanchor.y >= seltop &&
+ term->selanchor.y <= botline) {
+ term->selanchor.y--;
+ if (term->selanchor.y < seltop) {
+ term->selanchor.y = seltop;
+ term->selanchor.x = 0;
+ }
}
}
-
- lines--;
}
}
#ifdef OPTIMISE_SCROLL
*/
static void scroll_display(Terminal *term, int topline, int botline, int lines)
{
- unsigned long *start, *end;
- int distance, size, i;
+ int distance, nlines, i, j;
- start = term->disptext + topline * (term->cols + 1);
- end = term->disptext + (botline + 1) * (term->cols + 1);
- distance = (lines > 0 ? lines : -lines) * (term->cols + 1);
- size = end - start - distance;
+ distance = lines > 0 ? lines : -lines;
+ nlines = botline - topline + 1 - distance;
if (lines > 0) {
- memmove(start, start + distance, size * TSIZE);
- if (term->dispcurs >= start + distance &&
- term->dispcurs <= start + distance + size)
- term->dispcurs -= distance;
+ for (i = 0; i < nlines; i++)
+ for (j = 0; j < term->cols; j++)
+ copy_termchar(term->disptext[i], j,
+ term->disptext[i+distance]->chars+j);
+ if (term->dispcursy >= 0 &&
+ term->dispcursy >= topline + distance &&
+ term->dispcursy < topline + distance + nlines)
+ term->dispcursy -= distance;
for (i = 0; i < distance; i++)
- (start + size)[i] |= ATTR_INVALID;
+ for (j = 0; j < term->cols; j++)
+ term->disptext[nlines+i]->chars[j].attr |= ATTR_INVALID;
} else {
- memmove(start + distance, start, size * TSIZE);
- if (term->dispcurs >= start && term->dispcurs <= start + size)
- term->dispcurs += distance;
+ for (i = nlines; i-- ;)
+ for (j = 0; j < term->cols; j++)
+ copy_termchar(term->disptext[i+distance], j,
+ term->disptext[i]->chars+j);
+ if (term->dispcursy >= 0 &&
+ term->dispcursy >= topline &&
+ term->dispcursy < topline + nlines)
+ term->dispcursy += distance;
for (i = 0; i < distance; i++)
- start[i] |= ATTR_INVALID;
+ for (j = 0; j < term->cols; j++)
+ term->disptext[i]->chars[j].attr |= ATTR_INVALID;
}
save_scroll(term, topline, botline, lines);
}
y = term->rows - 1;
term->curs.x = x;
term->curs.y = y;
- fix_cpos;
term->wrapnext = FALSE;
}
term->wrapnext = FALSE;
term->cset_attr[term->cset] = term->save_csattr;
term->sco_acs = term->save_sco_acs;
- fix_cpos;
- if (term->use_bce)
- term->erase_char = (' ' | ATTR_ASCII |
- (term->curr_attr &
- (ATTR_FGMASK | ATTR_BGMASK)));
+ set_erase_char(term);
}
}
*/
static void check_boundary(Terminal *term, int x, int y)
{
- unsigned long *ldata;
+ termline *ldata;
/* Validate input coordinates, just in case. */
if (x == 0 || x > term->cols)
return;
- ldata = lineptr(y);
+ ldata = scrlineptr(y);
if (x == term->cols) {
- ldata[x] &= ~LATTR_WRAPPED2;
+ ldata->lattr &= ~LATTR_WRAPPED2;
} else {
- if ((ldata[x] & (CHAR_MASK | CSET_MASK)) == UCSWIDE) {
- ldata[x-1] = ldata[x] =
- (ldata[x-1] &~ (CHAR_MASK | CSET_MASK)) | ATTR_ASCII | ' ';
+ if (ldata->chars[x].chr == UCSWIDE) {
+ clear_cc(ldata, x-1);
+ clear_cc(ldata, x);
+ ldata->chars[x-1].chr = ' ' | CSET_ASCII;
+ ldata->chars[x] = ldata->chars[x-1];
}
}
}
if (start.y == 0 && start.x == 0 && end.x == 0 && erase_lattr)
erasing_lines_from_top = 1;
- if (term->cfg.erase_to_scrollback && erasing_lines_from_top) {
+ if (term->erase_to_scrollback && erasing_lines_from_top) {
/* If it's a whole number of lines, starting at the top, and
* we're fully erasing them, erase by scrolling and keep the
* lines in the scrollback. */
}
if (scrolllines > 0)
scroll(term, 0, scrolllines - 1, scrolllines, TRUE);
- fix_cpos;
} else {
- unsigned long *ldata = lineptr(start.y);
+ termline *ldata = scrlineptr(start.y);
while (poslt(start, end)) {
if (start.x == term->cols) {
if (!erase_lattr)
- ldata[start.x] &= ~(LATTR_WRAPPED | LATTR_WRAPPED2);
+ ldata->lattr &= ~(LATTR_WRAPPED | LATTR_WRAPPED2);
else
- ldata[start.x] = LATTR_NORM;
+ ldata->lattr = LATTR_NORM;
} else {
- ldata[start.x] = term->erase_char;
+ copy_termchar(ldata, start.x, &term->erase_char);
+ }
+ if (incpos(start) && start.y < term->rows) {
+ ldata = scrlineptr(start.y);
}
- if (incpos(start) && start.y < term->rows)
- ldata = lineptr(start.y);
}
}
static void insch(Terminal *term, int n)
{
int dir = (n < 0 ? -1 : +1);
- int m;
+ int m, j;
pos cursplus;
- unsigned long *ldata;
+ termline *ldata;
n = (n < 0 ? -n : n);
if (n > term->cols - term->curs.x)
check_boundary(term, term->curs.x, term->curs.y);
if (dir < 0)
check_boundary(term, term->curs.x + n, term->curs.y);
- ldata = lineptr(term->curs.y);
+ ldata = scrlineptr(term->curs.y);
if (dir < 0) {
- memmove(ldata + term->curs.x, ldata + term->curs.x + n, m * TSIZE);
+ for (j = 0; j < m; j++)
+ move_termchar(ldata,
+ ldata->chars + term->curs.x + j,
+ ldata->chars + term->curs.x + j + n);
while (n--)
- ldata[term->curs.x + m++] = term->erase_char;
+ copy_termchar(ldata, term->curs.x + m++, &term->erase_char);
} else {
- memmove(ldata + term->curs.x + n, ldata + term->curs.x, m * TSIZE);
+ for (j = m; j-- ;)
+ move_termchar(ldata,
+ ldata->chars + term->curs.x + j + n,
+ ldata->chars + term->curs.x + j);
while (n--)
- ldata[term->curs.x + n] = term->erase_char;
+ copy_termchar(ldata, term->curs.x + n, &term->erase_char);
}
}
*/
static void toggle_mode(Terminal *term, int mode, int query, int state)
{
- unsigned long ticks;
-
if (query)
switch (mode) {
case 1: /* DECCKM: application cursor keys */
term->blink_is_real = FALSE;
term->vt52_bold = FALSE;
} else {
- term->blink_is_real = term->cfg.blinktext;
+ term->blink_is_real = term->blinktext;
}
+ term_schedule_tblink(term);
break;
case 3: /* DECCOLM: 80/132 columns */
deselect(term);
- if (!term->cfg.no_remote_resize)
+ if (!term->no_remote_resize)
request_resize(term->frontend, state ? 132 : 80, term->rows);
term->reset_132 = state;
term->alt_t = term->marg_t = 0;
* effective visual bell, so that ESC[?5hESC[?5l will
* always be an actually _visible_ visual bell.
*/
- ticks = GETTICKCOUNT();
- /* turn off a previous vbell to avoid inconsistencies */
- if (ticks - term->vbell_startpoint >= VBELL_TIMEOUT)
- term->in_vbell = FALSE;
- if (term->rvideo && !state && /* we're turning it off... */
- (ticks - term->rvbell_startpoint) < VBELL_TIMEOUT) {/*...soon*/
- /* If there's no vbell timeout already, or this one lasts
- * longer, replace vbell_timeout with ours. */
- if (!term->in_vbell ||
- (term->rvbell_startpoint - term->vbell_startpoint <
- VBELL_TIMEOUT))
- term->vbell_startpoint = term->rvbell_startpoint;
- term->in_vbell = TRUE; /* may clear rvideo but set in_vbell */
+ if (term->rvideo && !state) {
+ /* This is an OFF, so set up a vbell */
+ term_schedule_vbell(term, TRUE, term->rvbell_startpoint);
} else if (!term->rvideo && state) {
/* This is an ON, so we notice the time and save it. */
- term->rvbell_startpoint = ticks;
+ term->rvbell_startpoint = GETTICKCOUNT();
}
term->rvideo = state;
- term->seen_disp_event = TRUE;
- if (state)
- term_update(term);
+ seen_disp_event(term);
break;
case 6: /* DECOM: DEC origin mode */
term->dec_om = state;
case 25: /* DECTCEM: enable/disable cursor */
compatibility2(OTHER, VT220);
term->cursor_on = state;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 47: /* alternate screen */
compatibility(OTHER);
deselect(term);
- swap_screen(term, term->cfg.no_alt_screen ? 0 : state, FALSE, FALSE);
+ swap_screen(term, term->no_alt_screen ? 0 : state, FALSE, FALSE);
term->disptop = 0;
break;
- case 1000: /* xterm mouse 1 */
+ case 1000: /* xterm mouse 1 (normal) */
term->xterm_mouse = state ? 1 : 0;
set_raw_mouse_mode(term->frontend, state);
break;
- case 1002: /* xterm mouse 2 */
+ case 1002: /* xterm mouse 2 (inc. button drags) */
term->xterm_mouse = state ? 2 : 0;
set_raw_mouse_mode(term->frontend, state);
break;
+ case 1006: /* xterm extended mouse */
+ term->xterm_extended_mouse = state ? 1 : 0;
+ break;
+ case 1015: /* urxvt extended mouse */
+ term->urxvt_extended_mouse = state ? 1 : 0;
+ break;
case 1047: /* alternate screen */
compatibility(OTHER);
deselect(term);
- swap_screen(term, term->cfg.no_alt_screen ? 0 : state, TRUE, TRUE);
+ swap_screen(term, term->no_alt_screen ? 0 : state, TRUE, TRUE);
term->disptop = 0;
break;
case 1048: /* save/restore cursor */
- if (!term->cfg.no_alt_screen)
+ if (!term->no_alt_screen)
save_cursor(term, state);
- if (!state) term->seen_disp_event = TRUE;
+ if (!state) seen_disp_event(term);
break;
case 1049: /* cursor & alternate screen */
- if (state && !term->cfg.no_alt_screen)
+ if (state && !term->no_alt_screen)
save_cursor(term, state);
- if (!state) term->seen_disp_event = TRUE;
+ if (!state) seen_disp_event(term);
compatibility(OTHER);
deselect(term);
- swap_screen(term, term->cfg.no_alt_screen ? 0 : state, TRUE, FALSE);
- if (!state && !term->cfg.no_alt_screen)
+ swap_screen(term, term->no_alt_screen ? 0 : state, TRUE, FALSE);
+ if (!state && !term->no_alt_screen)
save_cursor(term, state);
term->disptop = 0;
break;
+ case 2004: /* xterm bracketed paste */
+ term->bracketed_paste = state ? TRUE : FALSE;
+ break;
} else
switch (mode) {
case 4: /* IRM: set insert mode */
switch (term->esc_args[0]) {
case 0:
case 1:
- if (!term->cfg.no_remote_wintitle)
+ if (!term->no_remote_wintitle)
set_icon(term->frontend, term->osc_string);
if (term->esc_args[0] == 1)
break;
/* fall through: parameter 0 means set both */
case 2:
case 21:
- if (!term->cfg.no_remote_wintitle)
+ if (!term->no_remote_wintitle)
set_title(term->frontend, term->osc_string);
break;
}
/*
* ANSI printing routines.
*/
-static void term_print_setup(Terminal *term)
+static void term_print_setup(Terminal *term, char *printer)
{
bufchain_clear(&term->printer_buf);
- term->print_job = printer_start_job(term->cfg.printer);
+ term->print_job = printer_start_job(printer);
}
static void term_print_flush(Terminal *term)
{
* in-memory display. There's a big state machine in here to
* process escape sequences...
*/
-void term_out(Terminal *term)
+static void term_out(Terminal *term)
{
- int c, unget;
+ unsigned long c;
+ int unget;
unsigned char localbuf[256], *chars;
int nchars = 0;
unget = -1;
chars = NULL; /* placate compiler warnings */
- while (nchars > 0 || bufchain_size(&term->inbuf) > 0) {
+ while (nchars > 0 || unget != -1 || bufchain_size(&term->inbuf) > 0) {
if (unget == -1) {
if (nchars == 0) {
void *ret;
* Optionally log the session traffic to a file. Useful for
* debugging and possibly also useful for actual logging.
*/
- if (term->cfg.logtype == LGTYP_DEBUG && term->logctx)
+ if (term->logtype == LGTYP_DEBUG && term->logctx)
logtraffic(term->logctx, (unsigned char) c, LGTYP_DEBUG);
} else {
c = unget;
/* UTF-8 must be stateless so we ignore iso2022. */
if (term->ucsdata->unitab_ctrl[c] != 0xFF)
c = term->ucsdata->unitab_ctrl[c];
- else c = ((unsigned char)c) | ATTR_ASCII;
+ else c = ((unsigned char)c) | CSET_ASCII;
break;
} else if ((c & 0xe0) == 0xc0) {
term->utf_size = term->utf_state = 1;
if (c == 0xFFFE || c == 0xFFFF)
c = UCSERR;
- /* Oops this is a 16bit implementation */
- if (c >= 0x10000)
- c = 0xFFFD;
break;
}
/* Are we in the nasty ACS mode? Note: no sco in utf mode. */
(c!='\033' && c!='\012' && c!='\015' && c!='\b'))
{
if (term->sco_acs == 2) c |= 0x80;
- c |= ATTR_SCOACS;
+ c |= CSET_SCOACS;
} else {
switch (term->cset_attr[term->cset]) {
/*
* range, make sure we use the same font as well as
* the same encoding.
*/
- case ATTR_LINEDRW:
+ case CSET_LINEDRW:
if (term->ucsdata->unitab_ctrl[c] != 0xFF)
c = term->ucsdata->unitab_ctrl[c];
else
- c = ((unsigned char) c) | ATTR_LINEDRW;
+ c = ((unsigned char) c) | CSET_LINEDRW;
break;
- case ATTR_GBCHR:
+ case CSET_GBCHR:
/* If UK-ASCII, make the '#' a LineDraw Pound */
if (c == '#') {
- c = '}' | ATTR_LINEDRW;
+ c = '}' | CSET_LINEDRW;
break;
}
- /*FALLTHROUGH*/ case ATTR_ASCII:
+ /*FALLTHROUGH*/ case CSET_ASCII:
if (term->ucsdata->unitab_ctrl[c] != 0xFF)
c = term->ucsdata->unitab_ctrl[c];
else
- c = ((unsigned char) c) | ATTR_ASCII;
+ c = ((unsigned char) c) | CSET_ASCII;
break;
- case ATTR_SCOACS:
- if (c>=' ') c = ((unsigned char)c) | ATTR_SCOACS;
+ case CSET_SCOACS:
+ if (c>=' ') c = ((unsigned char)c) | CSET_SCOACS;
break;
}
}
}
- /* How about C1 controls ? */
+ /*
+ * How about C1 controls?
+ * Explicitly ignore SCI (0x9a), which we don't translate to DECID.
+ */
if ((c & -32) == 0x80 && term->termstate < DO_CTRLS &&
!term->vt52_mode && has_compat(VT220)) {
- term->termstate = SEEN_ESC;
- term->esc_query = FALSE;
- c = '@' + (c & 0x1F);
+ if (c == 0x9a)
+ c = 0;
+ else {
+ term->termstate = SEEN_ESC;
+ term->esc_query = FALSE;
+ c = '@' + (c & 0x1F);
+ }
}
/* Or the GL control. */
if (term->curs.x && !term->wrapnext)
term->curs.x--;
term->wrapnext = FALSE;
- fix_cpos;
- if (!term->cfg.no_dbackspace) /* destructive bksp might be disabled */
- *term->cpos = (' ' | term->curr_attr | ATTR_ASCII);
+ /* destructive backspace might be disabled */
+ if (!term->no_dbackspace) {
+ check_boundary(term, term->curs.x, term->curs.y);
+ check_boundary(term, term->curs.x+1, term->curs.y);
+ copy_termchar(scrlineptr(term->curs.y),
+ term->curs.x, &term->erase_char);
+ }
} else
/* Or normal C0 controls. */
- if ((c & -32) == 0 && term->termstate < DO_CTRLS) {
+ if ((c & ~0x1F) == 0 && term->termstate < DO_CTRLS) {
switch (c) {
case '\005': /* ENQ: terminal type query */
- /* Strictly speaking this is VT100 but a VT100 defaults to
+ /*
+ * Strictly speaking this is VT100 but a VT100 defaults to
* no response. Other terminals respond at their option.
*
* Don't put a CR in the default string as this tends to
* upset some weird software.
- *
- * An xterm returns "xterm" (5 characters)
*/
compatibility(ANSIMIN);
if (term->ldisc) {
- char abuf[256], *s, *d;
- int state = 0;
- for (s = term->cfg.answerback, d = abuf; *s; s++) {
- if (state) {
- if (*s >= 'a' && *s <= 'z')
- *d++ = (*s - ('a' - 1));
- else if ((*s >= '@' && *s <= '_') ||
- *s == '?' || (*s & 0x80))
- *d++ = ('@' ^ *s);
- else if (*s == '~')
- *d++ = '^';
- state = 0;
- } else if (*s == '^') {
- state = 1;
- } else
- *d++ = *s;
- }
lpage_send(term->ldisc, DEFAULT_CODEPAGE,
- abuf, d - abuf, 0);
+ term->answerback, term->answerbacklen, 0);
}
break;
case '\007': /* BEL: Bell */
* t seconds ago.
*/
while (term->beephead &&
- term->beephead->ticks < ticks - term->cfg.bellovl_t) {
+ term->beephead->ticks < ticks - term->bellovl_t) {
struct beeptime *tmp = term->beephead;
term->beephead = tmp->next;
sfree(tmp);
term->nbeeps--;
}
- if (term->cfg.bellovl && term->beep_overloaded &&
- ticks - term->lastbeep >= (unsigned)term->cfg.bellovl_s) {
+ if (term->bellovl && term->beep_overloaded &&
+ ticks - term->lastbeep >= (unsigned)term->bellovl_s) {
/*
* If we're currently overloaded and the
* last beep was more than s seconds ago,
* leave overload mode.
*/
term->beep_overloaded = FALSE;
- } else if (term->cfg.bellovl && !term->beep_overloaded &&
- term->nbeeps >= term->cfg.bellovl_n) {
+ } else if (term->bellovl && !term->beep_overloaded &&
+ term->nbeeps >= term->bellovl_n) {
/*
* Now, if we have n or more beeps
* remaining in the queue, go into overload
/*
* Perform an actual beep if we're not overloaded.
*/
- if (!term->cfg.bellovl || !term->beep_overloaded) {
- beep(term->frontend, term->cfg.beep);
- if (term->cfg.beep == BELL_VISUAL) {
- term->in_vbell = TRUE;
- term->vbell_startpoint = ticks;
- term_update(term);
+ if (!term->bellovl || !term->beep_overloaded) {
+ do_beep(term->frontend, term->beep);
+
+ if (term->beep == BELL_VISUAL) {
+ term_schedule_vbell(term, FALSE, 0);
}
}
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
}
break;
case '\b': /* BS: Back space */
term->wrapnext = FALSE;
else
term->curs.x--;
- fix_cpos;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case '\016': /* LS1: Locking-shift one */
compatibility(VT100);
case '\015': /* CR: Carriage return */
term->curs.x = 0;
term->wrapnext = FALSE;
- fix_cpos;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
term->paste_hold = 0;
+
+ if (term->crhaslf) {
+ if (term->curs.y == term->marg_b)
+ scroll(term, term->marg_t, term->marg_b, 1, TRUE);
+ else if (term->curs.y < term->rows - 1)
+ term->curs.y++;
+ }
if (term->logctx)
logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII);
break;
erase_lots(term, FALSE, FALSE, TRUE);
term->disptop = 0;
term->wrapnext = FALSE;
- term->seen_disp_event = 1;
+ seen_disp_event(term);
break;
}
case '\013': /* VT: Line tabulation */
scroll(term, term->marg_t, term->marg_b, 1, TRUE);
else if (term->curs.y < term->rows - 1)
term->curs.y++;
- if (term->cfg.lfhascr)
+ if (term->lfhascr)
term->curs.x = 0;
- fix_cpos;
term->wrapnext = FALSE;
- term->seen_disp_event = 1;
+ seen_disp_event(term);
term->paste_hold = 0;
if (term->logctx)
logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII);
case '\t': /* HT: Character tabulation */
{
pos old_curs = term->curs;
- unsigned long *ldata = lineptr(term->curs.y);
+ termline *ldata = scrlineptr(term->curs.y);
do {
term->curs.x++;
} while (term->curs.x < term->cols - 1 &&
!term->tabs[term->curs.x]);
- if ((ldata[term->cols] & LATTR_MODE) != LATTR_NORM) {
+ if ((ldata->lattr & LATTR_MODE) != LATTR_NORM) {
if (term->curs.x >= term->cols / 2)
term->curs.x = term->cols / 2 - 1;
} else {
term->curs.x = term->cols - 1;
}
- fix_cpos;
check_selection(term, old_curs, term->curs);
}
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
}
} else
case TOPLEVEL:
/* Only graphic characters get this far;
* ctrls are stripped above */
- if (term->wrapnext && term->wrap) {
- term->cpos[1] |= LATTR_WRAPPED;
- if (term->curs.y == term->marg_b)
- scroll(term, term->marg_t, term->marg_b, 1, TRUE);
- else if (term->curs.y < term->rows - 1)
- term->curs.y++;
- term->curs.x = 0;
- fix_cpos;
- term->wrapnext = FALSE;
- }
- if (term->insert)
- insch(term, 1);
- if (term->selstate != NO_SELECTION) {
- pos cursplus = term->curs;
- incpos(cursplus);
- check_selection(term, term->curs, cursplus);
- }
- if (((c & CSET_MASK) == ATTR_ASCII || (c & CSET_MASK) == 0) &&
- term->logctx)
- logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII);
{
+ termline *cline = scrlineptr(term->curs.y);
int width = 0;
if (DIRECT_CHAR(c))
width = 1;
if (!width)
- width = wcwidth((wchar_t) c);
+ width = (term->cjk_ambig_wide ?
+ mk_wcwidth_cjk((unsigned int) c) :
+ mk_wcwidth((unsigned int) c));
+
+ if (term->wrapnext && term->wrap && width > 0) {
+ cline->lattr |= LATTR_WRAPPED;
+ if (term->curs.y == term->marg_b)
+ scroll(term, term->marg_t, term->marg_b, 1, TRUE);
+ else if (term->curs.y < term->rows - 1)
+ term->curs.y++;
+ term->curs.x = 0;
+ term->wrapnext = FALSE;
+ cline = scrlineptr(term->curs.y);
+ }
+ if (term->insert && width > 0)
+ insch(term, width);
+ if (term->selstate != NO_SELECTION) {
+ pos cursplus = term->curs;
+ incpos(cursplus);
+ check_selection(term, term->curs, cursplus);
+ }
+ if (((c & CSET_MASK) == CSET_ASCII ||
+ (c & CSET_MASK) == 0) &&
+ term->logctx)
+ logtraffic(term->logctx, (unsigned char) c,
+ LGTYP_ASCII);
+
switch (width) {
case 2:
/*
check_boundary(term, term->curs.x, term->curs.y);
check_boundary(term, term->curs.x+2, term->curs.y);
if (term->curs.x == term->cols-1) {
- *term->cpos++ = ATTR_ASCII | ' ' | term->curr_attr;
- *term->cpos |= LATTR_WRAPPED | LATTR_WRAPPED2;
+ copy_termchar(cline, term->curs.x,
+ &term->erase_char);
+ cline->lattr |= LATTR_WRAPPED | LATTR_WRAPPED2;
if (term->curs.y == term->marg_b)
scroll(term, term->marg_t, term->marg_b,
1, TRUE);
else if (term->curs.y < term->rows - 1)
term->curs.y++;
term->curs.x = 0;
- fix_cpos;
+ cline = scrlineptr(term->curs.y);
/* Now we must check_boundary again, of course. */
check_boundary(term, term->curs.x, term->curs.y);
check_boundary(term, term->curs.x+2, term->curs.y);
}
- *term->cpos++ = c | term->curr_attr;
- *term->cpos++ = UCSWIDE | term->curr_attr;
+
+ /* FULL-TERMCHAR */
+ clear_cc(cline, term->curs.x);
+ cline->chars[term->curs.x].chr = c;
+ cline->chars[term->curs.x].attr = term->curr_attr;
+
term->curs.x++;
+
+ /* FULL-TERMCHAR */
+ clear_cc(cline, term->curs.x);
+ cline->chars[term->curs.x].chr = UCSWIDE;
+ cline->chars[term->curs.x].attr = term->curr_attr;
+
break;
case 1:
check_boundary(term, term->curs.x, term->curs.y);
check_boundary(term, term->curs.x+1, term->curs.y);
- *term->cpos++ = c | term->curr_attr;
+
+ /* FULL-TERMCHAR */
+ clear_cc(cline, term->curs.x);
+ cline->chars[term->curs.x].chr = c;
+ cline->chars[term->curs.x].attr = term->curr_attr;
+
break;
+ case 0:
+ if (term->curs.x > 0) {
+ int x = term->curs.x - 1;
+
+ /* If we're in wrapnext state, the character
+ * to combine with is _here_, not to our left. */
+ if (term->wrapnext)
+ x++;
+
+ /*
+ * If the previous character is
+ * UCSWIDE, back up another one.
+ */
+ if (cline->chars[x].chr == UCSWIDE) {
+ assert(x > 0);
+ x--;
+ }
+
+ add_cc(cline, x, c);
+ seen_disp_event(term);
+ }
+ continue;
default:
continue;
}
- }
- term->curs.x++;
- if (term->curs.x == term->cols) {
- term->cpos--;
- term->curs.x--;
- term->wrapnext = TRUE;
- if (term->wrap && term->vt52_mode) {
- term->cpos[1] |= LATTR_WRAPPED;
- if (term->curs.y == term->marg_b)
- scroll(term, term->marg_t, term->marg_b, 1, TRUE);
- else if (term->curs.y < term->rows - 1)
- term->curs.y++;
- term->curs.x = 0;
- fix_cpos;
- term->wrapnext = FALSE;
+ term->curs.x++;
+ if (term->curs.x == term->cols) {
+ term->curs.x--;
+ term->wrapnext = TRUE;
+ if (term->wrap && term->vt52_mode) {
+ cline->lattr |= LATTR_WRAPPED;
+ if (term->curs.y == term->marg_b)
+ scroll(term, term->marg_t, term->marg_b, 1, TRUE);
+ else if (term->curs.y < term->rows - 1)
+ term->curs.y++;
+ term->curs.x = 0;
+ term->wrapnext = FALSE;
+ }
}
+ seen_disp_event(term);
}
- term->seen_disp_event = 1;
break;
case OSC_MAYBE_ST:
case '8': /* DECRC: restore cursor */
compatibility(VT100);
save_cursor(term, FALSE);
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case '=': /* DECKPAM: Keypad application mode */
compatibility(VT100);
scroll(term, term->marg_t, term->marg_b, 1, TRUE);
else if (term->curs.y < term->rows - 1)
term->curs.y++;
- fix_cpos;
term->wrapnext = FALSE;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'E': /* NEL: exactly equivalent to CR-LF */
compatibility(VT100);
scroll(term, term->marg_t, term->marg_b, 1, TRUE);
else if (term->curs.y < term->rows - 1)
term->curs.y++;
- fix_cpos;
term->wrapnext = FALSE;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'M': /* RI: reverse index - backwards LF */
compatibility(VT100);
scroll(term, term->marg_t, term->marg_b, -1, TRUE);
else if (term->curs.y > 0)
term->curs.y--;
- fix_cpos;
term->wrapnext = FALSE;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'Z': /* DECID: terminal type query */
compatibility(VT100);
break;
case 'c': /* RIS: restore power-on settings */
compatibility(VT100);
- power_on(term);
+ power_on(term, TRUE);
if (term->ldisc) /* cause ldisc to notice changes */
ldisc_send(term->ldisc, NULL, 0, 0);
if (term->reset_132) {
- if (!term->cfg.no_remote_resize)
+ if (!term->no_remote_resize)
request_resize(term->frontend, 80, term->rows);
term->reset_132 = 0;
}
- fix_cpos;
term->disptop = 0;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'H': /* HTS: set a tab */
compatibility(VT100);
case ANSI('8', '#'): /* DECALN: fills screen with Es :-) */
compatibility(VT100);
{
- unsigned long *ldata;
+ termline *ldata;
int i, j;
pos scrtop, scrbot;
for (i = 0; i < term->rows; i++) {
- ldata = lineptr(i);
- for (j = 0; j < term->cols; j++)
- ldata[j] = ATTR_DEFAULT | 'E';
- ldata[term->cols] = 0;
+ ldata = scrlineptr(i);
+ for (j = 0; j < term->cols; j++) {
+ copy_termchar(ldata, j,
+ &term->basic_erase_char);
+ ldata->chars[j].chr = 'E';
+ }
+ ldata->lattr = LATTR_NORM;
}
term->disptop = 0;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
scrtop.x = scrtop.y = 0;
scrbot.x = 0;
scrbot.y = term->rows;
case ANSI('6', '#'):
compatibility(VT100);
{
- unsigned long nlattr;
- unsigned long *ldata;
+ int nlattr;
+
switch (ANSI(c, term->esc_query)) {
case ANSI('3', '#'): /* DECDHL: 2*height, top */
nlattr = LATTR_TOP;
nlattr = LATTR_WIDE;
break;
}
- ldata = lineptr(term->curs.y);
- ldata[term->cols] &= ~LATTR_MODE;
- ldata[term->cols] |= nlattr;
+ scrlineptr(term->curs.y)->lattr = nlattr;
}
break;
/* GZD4: G0 designate 94-set */
case ANSI('A', '('):
compatibility(VT100);
- if (!term->cfg.no_remote_charset)
- term->cset_attr[0] = ATTR_GBCHR;
+ if (!term->no_remote_charset)
+ term->cset_attr[0] = CSET_GBCHR;
break;
case ANSI('B', '('):
compatibility(VT100);
- if (!term->cfg.no_remote_charset)
- term->cset_attr[0] = ATTR_ASCII;
+ if (!term->no_remote_charset)
+ term->cset_attr[0] = CSET_ASCII;
break;
case ANSI('0', '('):
compatibility(VT100);
- if (!term->cfg.no_remote_charset)
- term->cset_attr[0] = ATTR_LINEDRW;
+ if (!term->no_remote_charset)
+ term->cset_attr[0] = CSET_LINEDRW;
break;
case ANSI('U', '('):
compatibility(OTHER);
- if (!term->cfg.no_remote_charset)
- term->cset_attr[0] = ATTR_SCOACS;
+ if (!term->no_remote_charset)
+ term->cset_attr[0] = CSET_SCOACS;
break;
/* G1D4: G1-designate 94-set */
case ANSI('A', ')'):
compatibility(VT100);
- if (!term->cfg.no_remote_charset)
- term->cset_attr[1] = ATTR_GBCHR;
+ if (!term->no_remote_charset)
+ term->cset_attr[1] = CSET_GBCHR;
break;
case ANSI('B', ')'):
compatibility(VT100);
- if (!term->cfg.no_remote_charset)
- term->cset_attr[1] = ATTR_ASCII;
+ if (!term->no_remote_charset)
+ term->cset_attr[1] = CSET_ASCII;
break;
case ANSI('0', ')'):
compatibility(VT100);
- if (!term->cfg.no_remote_charset)
- term->cset_attr[1] = ATTR_LINEDRW;
+ if (!term->no_remote_charset)
+ term->cset_attr[1] = CSET_LINEDRW;
break;
case ANSI('U', ')'):
compatibility(OTHER);
- if (!term->cfg.no_remote_charset)
- term->cset_attr[1] = ATTR_SCOACS;
+ if (!term->no_remote_charset)
+ term->cset_attr[1] = CSET_SCOACS;
break;
/* DOCS: Designate other coding system */
case ANSI('8', '%'): /* Old Linux code */
case ANSI('G', '%'):
compatibility(OTHER);
- if (!term->cfg.no_remote_charset)
+ if (!term->no_remote_charset)
term->utf = 1;
break;
case ANSI('@', '%'):
compatibility(OTHER);
- if (!term->cfg.no_remote_charset)
+ if (!term->no_remote_charset)
term->utf = 0;
break;
}
}
term->termstate = SEEN_CSI;
} else if (c == ';') {
- if (++term->esc_nargs <= ARGS_MAX)
- term->esc_args[term->esc_nargs - 1] = ARG_DEFAULT;
+ if (term->esc_nargs < ARGS_MAX)
+ term->esc_args[term->esc_nargs++] = ARG_DEFAULT;
term->termstate = SEEN_CSI;
} else if (c < '@') {
if (term->esc_query)
case 'A': /* CUU: move up N lines */
move(term, term->curs.x,
term->curs.y - def(term->esc_args[0], 1), 1);
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'e': /* VPR: move down N lines */
compatibility(ANSI);
case 'B': /* CUD: Cursor down */
move(term, term->curs.x,
term->curs.y + def(term->esc_args[0], 1), 1);
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case ANSI('c', '>'): /* DA: report xterm version */
compatibility(OTHER);
case 'C': /* CUF: Cursor right */
move(term, term->curs.x + def(term->esc_args[0], 1),
term->curs.y, 1);
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'D': /* CUB: move left N cols */
move(term, term->curs.x - def(term->esc_args[0], 1),
term->curs.y, 1);
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'E': /* CNL: move down N lines and CR */
compatibility(ANSI);
move(term, 0,
term->curs.y + def(term->esc_args[0], 1), 1);
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'F': /* CPL: move up N lines and CR */
compatibility(ANSI);
move(term, 0,
term->curs.y - def(term->esc_args[0], 1), 1);
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'G': /* CHA */
case '`': /* HPA: set horizontal posn */
compatibility(ANSI);
move(term, def(term->esc_args[0], 1) - 1,
term->curs.y, 0);
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'd': /* VPA: set vertical posn */
compatibility(ANSI);
((term->dec_om ? term->marg_t : 0) +
def(term->esc_args[0], 1) - 1),
(term->dec_om ? 2 : 0));
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'H': /* CUP */
case 'f': /* HVP: set horz and vert posns at once */
((term->dec_om ? term->marg_t : 0) +
def(term->esc_args[0], 1) - 1),
(term->dec_om ? 2 : 0));
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'J': /* ED: erase screen or parts of it */
{
- unsigned int i = def(term->esc_args[0], 0) + 1;
- if (i > 3)
- i = 0;
- erase_lots(term, FALSE, !!(i & 2), !!(i & 1));
+ unsigned int i = def(term->esc_args[0], 0);
+ if (i == 3) {
+ /* Erase Saved Lines (xterm)
+ * This follows Thomas Dickey's xterm. */
+ term_clrsb(term);
+ } else {
+ i++;
+ if (i > 3)
+ i = 0;
+ erase_lots(term, FALSE, !!(i & 2), !!(i & 1));
+ }
}
term->disptop = 0;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'K': /* EL: erase line or parts of it */
{
i = 0;
erase_lots(term, TRUE, !!(i & 2), !!(i & 1));
}
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'L': /* IL: insert lines */
compatibility(VT102);
if (term->curs.y <= term->marg_b)
scroll(term, term->curs.y, term->marg_b,
-def(term->esc_args[0], 1), FALSE);
- fix_cpos;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'M': /* DL: delete lines */
compatibility(VT102);
scroll(term, term->curs.y, term->marg_b,
def(term->esc_args[0], 1),
TRUE);
- fix_cpos;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case '@': /* ICH: insert chars */
/* XXX VTTEST says this is vt220, vt510 manual says vt102 */
compatibility(VT102);
insch(term, def(term->esc_args[0], 1));
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'P': /* DCH: delete chars */
compatibility(VT102);
insch(term, -def(term->esc_args[0], 1));
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'c': /* DA: terminal type query */
compatibility(VT100);
case ANSI_QUE('i'):
compatibility(VT100);
{
+ char *printer;
if (term->esc_nargs != 1) break;
- if (term->esc_args[0] == 5 && *term->cfg.printer) {
+ if (term->esc_args[0] == 5 &&
+ (printer = conf_get_str(term->conf,
+ CONF_printer))[0]) {
term->printing = TRUE;
term->only_printing = !term->esc_query;
term->print_state = 0;
- term_print_setup(term);
+ term_print_setup(term, printer);
} else if (term->esc_args[0] == 4 &&
term->printing) {
term_print_finish(term);
*/
term->curs.y = (term->dec_om ?
term->marg_t : 0);
- fix_cpos;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
}
}
break;
compatibility(SCOANSI);
term->blink_is_real = FALSE;
term->curr_attr |= ATTR_BLINK;
+ term_schedule_tblink(term);
break;
case 7: /* enable reverse video */
term->curr_attr |= ATTR_REVERSE;
break;
case 10: /* SCO acs off */
compatibility(SCOANSI);
- if (term->cfg.no_remote_charset) break;
+ if (term->no_remote_charset) break;
term->sco_acs = 0; break;
case 11: /* SCO acs on */
compatibility(SCOANSI);
- if (term->cfg.no_remote_charset) break;
+ if (term->no_remote_charset) break;
term->sco_acs = 1; break;
case 12: /* SCO acs on, |0x80 */
compatibility(SCOANSI);
- if (term->cfg.no_remote_charset) break;
+ if (term->no_remote_charset) break;
term->sco_acs = 2; break;
case 22: /* disable bold */
compatibility2(OTHER, VT220);
case 95:
case 96:
case 97:
- /* xterm-style bright foreground */
+ /* aixterm-style bright foreground */
term->curr_attr &= ~ATTR_FGMASK;
term->curr_attr |=
- ((term->esc_args[i] - 90 + 16)
+ ((term->esc_args[i] - 90 + 8)
<< ATTR_FGSHIFT);
break;
case 39: /* default-foreground */
case 105:
case 106:
case 107:
- /* xterm-style bright background */
+ /* aixterm-style bright background */
term->curr_attr &= ~ATTR_BGMASK;
term->curr_attr |=
- ((term->esc_args[i] - 100 + 16)
+ ((term->esc_args[i] - 100 + 8)
<< ATTR_BGSHIFT);
break;
case 49: /* default-background */
term->curr_attr &= ~ATTR_BGMASK;
term->curr_attr |= ATTR_DEFBG;
break;
+ case 38: /* xterm 256-colour mode */
+ if (i+2 < term->esc_nargs &&
+ term->esc_args[i+1] == 5) {
+ term->curr_attr &= ~ATTR_FGMASK;
+ term->curr_attr |=
+ ((term->esc_args[i+2] & 0xFF)
+ << ATTR_FGSHIFT);
+ i += 2;
+ }
+ break;
+ case 48: /* xterm 256-colour mode */
+ if (i+2 < term->esc_nargs &&
+ term->esc_args[i+1] == 5) {
+ term->curr_attr &= ~ATTR_BGMASK;
+ term->curr_attr |=
+ ((term->esc_args[i+2] & 0xFF)
+ << ATTR_BGSHIFT);
+ i += 2;
+ }
+ break;
}
}
- if (term->use_bce)
- term->erase_char = (' ' | ATTR_ASCII |
- (term->curr_attr &
- (ATTR_FGMASK |
- ATTR_BGMASK)));
+ set_erase_char(term);
}
break;
case 's': /* save cursor */
break;
case 'u': /* restore cursor */
save_cursor(term, FALSE);
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 't': /* DECSLPP: set page size - ie window height */
/*
&& (term->esc_args[0] < 1 ||
term->esc_args[0] >= 24)) {
compatibility(VT340TEXT);
- if (!term->cfg.no_remote_resize)
+ if (!term->no_remote_resize)
request_resize(term->frontend, term->cols,
def(term->esc_args[0], 24));
deselect(term);
break;
case 3:
if (term->esc_nargs >= 3) {
- if (!term->cfg.no_remote_resize)
+ if (!term->no_remote_resize)
move_window(term->frontend,
def(term->esc_args[1], 0),
def(term->esc_args[2], 0));
break;
case 8:
if (term->esc_nargs >= 3) {
- if (!term->cfg.no_remote_resize)
+ if (!term->no_remote_resize)
request_resize(term->frontend,
- def(term->esc_args[2], term->cfg.width),
- def(term->esc_args[1], term->cfg.height));
+ def(term->esc_args[2], term->conf_width),
+ def(term->esc_args[1], term->conf_height));
}
break;
case 9:
if (term->ldisc)
ldisc_send(term->ldisc,
is_iconic(term->frontend) ?
- "\033[1t" : "\033[2t", 4, 0);
+ "\033[2t" : "\033[1t", 4, 0);
break;
case 13:
if (term->ldisc) {
case 14:
if (term->ldisc) {
get_window_pixels(term->frontend, &x, &y);
- len = sprintf(buf, "\033[4;%d;%dt", x, y);
+ len = sprintf(buf, "\033[4;%d;%dt", y, x);
ldisc_send(term->ldisc, buf, len, 0);
}
break;
break;
case 20:
if (term->ldisc &&
- !term->cfg.no_remote_qtitle) {
- p = get_window_title(term->frontend, TRUE);
+ term->remote_qtitle_action != TITLE_NONE) {
+ if(term->remote_qtitle_action == TITLE_REAL)
+ p = get_window_title(term->frontend, TRUE);
+ else
+ p = EMPTY_WINDOW_TITLE;
len = strlen(p);
ldisc_send(term->ldisc, "\033]L", 3, 0);
ldisc_send(term->ldisc, p, len, 0);
break;
case 21:
if (term->ldisc &&
- !term->cfg.no_remote_qtitle) {
- p = get_window_title(term->frontend,FALSE);
+ term->remote_qtitle_action != TITLE_NONE) {
+ if(term->remote_qtitle_action == TITLE_REAL)
+ p = get_window_title(term->frontend, FALSE);
+ else
+ p = EMPTY_WINDOW_TITLE;
len = strlen(p);
ldisc_send(term->ldisc, "\033]l", 3, 0);
ldisc_send(term->ldisc, p, len, 0);
compatibility(SCOANSI);
scroll(term, term->marg_t, term->marg_b,
def(term->esc_args[0], 1), TRUE);
- fix_cpos;
term->wrapnext = FALSE;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case 'T': /* SD: Scroll down */
compatibility(SCOANSI);
scroll(term, term->marg_t, term->marg_b,
-def(term->esc_args[0], 1), TRUE);
- fix_cpos;
term->wrapnext = FALSE;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
break;
case ANSI('|', '*'): /* DECSNLS */
/*
*/
compatibility(VT420);
if (term->esc_nargs == 1 && term->esc_args[0] > 0) {
- if (!term->cfg.no_remote_resize)
+ if (!term->no_remote_resize)
request_resize(term->frontend, term->cols,
def(term->esc_args[0],
- term->cfg.height));
+ term->conf_height));
deselect(term);
}
break;
*/
compatibility(VT340TEXT);
if (term->esc_nargs <= 1) {
- if (!term->cfg.no_remote_resize)
+ if (!term->no_remote_resize)
request_resize(term->frontend,
def(term->esc_args[0],
- term->cfg.width), term->rows);
+ term->conf_width),
+ term->rows);
deselect(term);
}
break;
{
int n = def(term->esc_args[0], 1);
pos cursplus;
- unsigned long *p = term->cpos;
+ int p = term->curs.x;
+ termline *cline = scrlineptr(term->curs.y);
+
if (n > term->cols - term->curs.x)
n = term->cols - term->curs.x;
cursplus = term->curs;
check_boundary(term, term->curs.x+n, term->curs.y);
check_selection(term, term->curs, cursplus);
while (n--)
- *p++ = term->erase_char;
- term->seen_disp_event = TRUE;
+ copy_termchar(cline, p++,
+ &term->erase_char);
+ seen_disp_event(term);
}
break;
case 'x': /* DECREQTPARM: report terminal characteristics */
}
}
break;
- case 'Z': /* CBT: BackTab for xterm */
+ case 'Z': /* CBT */
compatibility(OTHER);
{
int i = def(term->esc_args[0], 1);
} while (term->curs.x >0 &&
!term->tabs[term->curs.x]);
}
- fix_cpos;
check_selection(term, old_curs, term->curs);
}
break;
case ANSI('D', '='):
compatibility(SCOANSI);
term->blink_is_real = FALSE;
+ term_schedule_tblink(term);
if (term->esc_args[0]>=1)
term->curr_attr |= ATTR_BLINK;
else
case ANSI('E', '='):
compatibility(SCOANSI);
term->blink_is_real = (term->esc_args[0] >= 1);
+ term_schedule_tblink(term);
break;
case ANSI('F', '='): /* set normal foreground */
compatibility(SCOANSI);
if (term->esc_args[0] >= 0 && term->esc_args[0] < 16) {
long colour =
(sco2ansicolour[term->esc_args[0] & 0x7] |
- ((term->esc_args[0] & 0x8) << 1)) <<
+ (term->esc_args[0] & 0x8)) <<
ATTR_FGSHIFT;
term->curr_attr &= ~ATTR_FGMASK;
term->curr_attr |= colour;
term->default_attr &= ~ATTR_FGMASK;
term->default_attr |= colour;
+ set_erase_char(term);
}
break;
case ANSI('G', '='): /* set normal background */
if (term->esc_args[0] >= 0 && term->esc_args[0] < 16) {
long colour =
(sco2ansicolour[term->esc_args[0] & 0x7] |
- ((term->esc_args[0] & 0x8) << 1)) <<
+ (term->esc_args[0] & 0x8)) <<
ATTR_BGSHIFT;
term->curr_attr &= ~ATTR_BGMASK;
term->curr_attr |= colour;
term->default_attr &= ~ATTR_BGMASK;
term->default_attr |= colour;
+ set_erase_char(term);
}
break;
case ANSI('L', '='):
compatibility(SCOANSI);
term->use_bce = (term->esc_args[0] <= 0);
- term->erase_char = ERASE_CHAR;
- if (term->use_bce)
- term->erase_char = (' ' | ATTR_ASCII |
- (term->curr_attr &
- (ATTR_FGMASK | ATTR_BGMASK)));
+ set_erase_char(term);
break;
case ANSI('p', '"'): /* DECSCL: set compat level */
/*
* Well we should do a soft reset at this point ...
*/
if (!has_compat(VT420) && has_compat(VT100)) {
- if (!term->cfg.no_remote_resize) {
+ if (!term->no_remote_resize) {
if (term->reset_132)
request_resize(132, 24);
else
} else if (c == '\033')
term->termstate = OSC_MAYBE_ST;
else if (term->osc_strlen < OSC_STR_MAX)
- term->osc_string[term->osc_strlen++] = c;
+ term->osc_string[term->osc_strlen++] = (char)c;
break;
case SEEN_OSC_P:
{
- int max = (term->osc_strlen == 0 ? 21 : 16);
+ int max = (term->osc_strlen == 0 ? 21 : 15);
int val;
- if (c >= '0' && c <= '9')
+ if ((int)c >= '0' && (int)c <= '9')
val = c - '0';
- else if (c >= 'A' && c <= 'A' + max - 10)
+ else if ((int)c >= 'A' && (int)c <= 'A' + max - 10)
val = c - 'A' + 10;
- else if (c >= 'a' && c <= 'a' + max - 10)
+ else if ((int)c >= 'a' && (int)c <= 'a' + max - 10)
val = c - 'a' + 10;
else {
term->termstate = TOPLEVEL;
break;
case VT52_ESC:
term->termstate = TOPLEVEL;
- term->seen_disp_event = TRUE;
+ seen_disp_event(term);
switch (c) {
case 'A':
move(term, term->curs.x, term->curs.y - 1, 1);
*
*/
case 'F':
- term->cset_attr[term->cset = 0] = ATTR_LINEDRW;
+ term->cset_attr[term->cset = 0] = CSET_LINEDRW;
break;
case 'G':
- term->cset_attr[term->cset = 0] = ATTR_ASCII;
+ term->cset_attr[term->cset = 0] = CSET_ASCII;
break;
case 'H':
move(term, 0, 0, 0);
scroll(term, 0, term->rows - 1, -1, TRUE);
else if (term->curs.y > 0)
term->curs.y--;
- fix_cpos;
term->wrapnext = FALSE;
break;
case 'J':
* emulation.
*/
term->vt52_mode = FALSE;
- term->blink_is_real = term->cfg.blinktext;
+ term->blink_is_real = term->blinktext;
+ term_schedule_tblink(term);
break;
#if 0
case '^':
erase_lots(term, TRUE, TRUE, TRUE);
term->curs.x = 0;
term->wrapnext = FALSE;
- fix_cpos;
break;
case 'o':
/* compatibility(ATARI) */
/* compatibility(OTHER) */
term->vt52_bold = FALSE;
term->curr_attr = ATTR_DEFAULT;
- if (term->use_bce)
- term->erase_char = (' ' | ATTR_ASCII |
- (term->curr_attr &
- (ATTR_FGMASK | ATTR_BGMASK)));
+ set_erase_char(term);
break;
case 'S':
/* compatibility(VI50) */
term->termstate = TOPLEVEL;
term->curr_attr &= ~ATTR_FGMASK;
term->curr_attr &= ~ATTR_BOLD;
- term->curr_attr |= (c & 0x7) << ATTR_FGSHIFT;
- if ((c & 0x8) || term->vt52_bold)
- term->curr_attr |= ATTR_BOLD;
-
- if (term->use_bce)
- term->erase_char = (' ' | ATTR_ASCII |
- (term->curr_attr &
- (ATTR_FGMASK | ATTR_BGMASK)));
+ term->curr_attr |= (c & 0xF) << ATTR_FGSHIFT;
+ set_erase_char(term);
break;
case VT52_BG:
term->termstate = TOPLEVEL;
term->curr_attr &= ~ATTR_BGMASK;
term->curr_attr &= ~ATTR_BLINK;
- term->curr_attr |= (c & 0x7) << ATTR_BGSHIFT;
-
- /* Note: bold background */
- if (c & 0x8)
- term->curr_attr |= ATTR_BLINK;
-
- if (term->use_bce)
- term->erase_char = (' ' | ATTR_ASCII |
- (term->curr_attr &
- (ATTR_FGMASK | ATTR_BGMASK)));
+ term->curr_attr |= (c & 0xF) << ATTR_BGSHIFT;
+ set_erase_char(term);
break;
#endif
default: break; /* placate gcc warning about enum use */
}
term_print_flush(term);
+ if (term->logflush)
+ logflush(term->logctx);
}
-#if 0
/*
- * Compare two lines to determine whether they are sufficiently
- * alike to scroll-optimise one to the other. Return the degree of
- * similarity.
+ * To prevent having to run the reasonably tricky bidi algorithm
+ * too many times, we maintain a cache of the last lineful of data
+ * fed to the algorithm on each line of the display.
*/
-static int linecmp(Terminal *term, unsigned long *a, unsigned long *b)
+static int term_bidi_cache_hit(Terminal *term, int line,
+ termchar *lbefore, int width)
{
- int i, n;
+ int i;
+
+ if (!term->pre_bidi_cache)
+ return FALSE; /* cache doesn't even exist yet! */
+
+ if (line >= term->bidi_cache_size)
+ return FALSE; /* cache doesn't have this many lines */
+
+ if (!term->pre_bidi_cache[line].chars)
+ return FALSE; /* cache doesn't contain _this_ line */
+
+ if (term->pre_bidi_cache[line].width != width)
+ return FALSE; /* line is wrong width */
- for (i = n = 0; i < term->cols; i++)
- n += (*a++ == *b++);
- return n;
+ for (i = 0; i < width; i++)
+ if (!termchars_equal(term->pre_bidi_cache[line].chars+i, lbefore+i))
+ return FALSE; /* line doesn't match cache */
+
+ return TRUE; /* it didn't match. */
+}
+
+static void term_bidi_cache_store(Terminal *term, int line, termchar *lbefore,
+ termchar *lafter, bidi_char *wcTo,
+ int width, int size)
+{
+ int i;
+
+ if (!term->pre_bidi_cache || term->bidi_cache_size <= line) {
+ int j = term->bidi_cache_size;
+ term->bidi_cache_size = line+1;
+ term->pre_bidi_cache = sresize(term->pre_bidi_cache,
+ term->bidi_cache_size,
+ struct bidi_cache_entry);
+ term->post_bidi_cache = sresize(term->post_bidi_cache,
+ term->bidi_cache_size,
+ struct bidi_cache_entry);
+ while (j < term->bidi_cache_size) {
+ term->pre_bidi_cache[j].chars =
+ term->post_bidi_cache[j].chars = NULL;
+ term->pre_bidi_cache[j].width =
+ term->post_bidi_cache[j].width = -1;
+ term->pre_bidi_cache[j].forward =
+ term->post_bidi_cache[j].forward = NULL;
+ term->pre_bidi_cache[j].backward =
+ term->post_bidi_cache[j].backward = NULL;
+ j++;
+ }
+ }
+
+ sfree(term->pre_bidi_cache[line].chars);
+ sfree(term->post_bidi_cache[line].chars);
+ sfree(term->post_bidi_cache[line].forward);
+ sfree(term->post_bidi_cache[line].backward);
+
+ term->pre_bidi_cache[line].width = width;
+ term->pre_bidi_cache[line].chars = snewn(size, termchar);
+ term->post_bidi_cache[line].width = width;
+ term->post_bidi_cache[line].chars = snewn(size, termchar);
+ term->post_bidi_cache[line].forward = snewn(width, int);
+ term->post_bidi_cache[line].backward = snewn(width, int);
+
+ memcpy(term->pre_bidi_cache[line].chars, lbefore, size * TSIZE);
+ memcpy(term->post_bidi_cache[line].chars, lafter, size * TSIZE);
+ memset(term->post_bidi_cache[line].forward, 0, width * sizeof(int));
+ memset(term->post_bidi_cache[line].backward, 0, width * sizeof(int));
+
+ for (i = 0; i < width; i++) {
+ int p = wcTo[i].index;
+
+ assert(0 <= p && p < width);
+
+ term->post_bidi_cache[line].backward[i] = p;
+ term->post_bidi_cache[line].forward[p] = i;
+ }
+}
+
+/*
+ * Prepare the bidi information for a screen line. Returns the
+ * transformed list of termchars, or NULL if no transformation at
+ * all took place (because bidi is disabled). If return was
+ * non-NULL, auxiliary information such as the forward and reverse
+ * mappings of permutation position are available in
+ * term->post_bidi_cache[scr_y].*.
+ */
+static termchar *term_bidi_line(Terminal *term, struct termline *ldata,
+ int scr_y)
+{
+ termchar *lchars;
+ int it;
+
+ /* Do Arabic shaping and bidi. */
+ if(!term->bidi || !term->arabicshaping) {
+
+ if (!term_bidi_cache_hit(term, scr_y, ldata->chars, term->cols)) {
+
+ if (term->wcFromTo_size < term->cols) {
+ term->wcFromTo_size = term->cols;
+ term->wcFrom = sresize(term->wcFrom, term->wcFromTo_size,
+ bidi_char);
+ term->wcTo = sresize(term->wcTo, term->wcFromTo_size,
+ bidi_char);
+ }
+
+ for(it=0; it<term->cols ; it++)
+ {
+ unsigned long uc = (ldata->chars[it].chr);
+
+ switch (uc & CSET_MASK) {
+ case CSET_LINEDRW:
+ if (!term->rawcnp) {
+ uc = term->ucsdata->unitab_xterm[uc & 0xFF];
+ break;
+ }
+ case CSET_ASCII:
+ uc = term->ucsdata->unitab_line[uc & 0xFF];
+ break;
+ case CSET_SCOACS:
+ uc = term->ucsdata->unitab_scoacs[uc&0xFF];
+ break;
+ }
+ switch (uc & CSET_MASK) {
+ case CSET_ACP:
+ uc = term->ucsdata->unitab_font[uc & 0xFF];
+ break;
+ case CSET_OEMCP:
+ uc = term->ucsdata->unitab_oemcp[uc & 0xFF];
+ break;
+ }
+
+ term->wcFrom[it].origwc = term->wcFrom[it].wc =
+ (unsigned int)uc;
+ term->wcFrom[it].index = it;
+ }
+
+ if(!term->bidi)
+ do_bidi(term->wcFrom, term->cols);
+
+ /* this is saved iff done from inside the shaping */
+ if(!term->bidi && term->arabicshaping)
+ for(it=0; it<term->cols; it++)
+ term->wcTo[it] = term->wcFrom[it];
+
+ if(!term->arabicshaping)
+ do_shape(term->wcFrom, term->wcTo, term->cols);
+
+ if (term->ltemp_size < ldata->size) {
+ term->ltemp_size = ldata->size;
+ term->ltemp = sresize(term->ltemp, term->ltemp_size,
+ termchar);
+ }
+
+ memcpy(term->ltemp, ldata->chars, ldata->size * TSIZE);
+
+ for(it=0; it<term->cols ; it++)
+ {
+ term->ltemp[it] = ldata->chars[term->wcTo[it].index];
+ if (term->ltemp[it].cc_next)
+ term->ltemp[it].cc_next -=
+ it - term->wcTo[it].index;
+
+ if (term->wcTo[it].origwc != term->wcTo[it].wc)
+ term->ltemp[it].chr = term->wcTo[it].wc;
+ }
+ term_bidi_cache_store(term, scr_y, ldata->chars,
+ term->ltemp, term->wcTo,
+ term->cols, ldata->size);
+
+ lchars = term->ltemp;
+ } else {
+ lchars = term->post_bidi_cache[scr_y].chars;
+ }
+ } else {
+ lchars = NULL;
+ }
+
+ return lchars;
}
-#endif
/*
* Given a context, update the window. Out of paranoia, we don't
static void do_paint(Terminal *term, Context ctx, int may_optimise)
{
int i, j, our_curs_y, our_curs_x;
- unsigned long rv, cursor;
+ int rv, cursor;
pos scrpos;
- char ch[1024];
- long cursor_background = ERASE_CHAR;
- unsigned long ticks;
+ wchar_t *ch;
+ int chlen;
#ifdef OPTIMISE_SCROLL
struct scrollregion *sr;
#endif /* OPTIMISE_SCROLL */
+ termchar *newline;
- /*
- * Check the visual bell state.
- */
- if (term->in_vbell) {
- ticks = GETTICKCOUNT();
- if (ticks - term->vbell_startpoint >= VBELL_TIMEOUT)
- term->in_vbell = FALSE;
- }
+ chlen = 1024;
+ ch = snewn(chlen, wchar_t);
+
+ newline = snewn(term->cols, termchar);
rv = (!term->rvideo ^ !term->in_vbell ? ATTR_REVERSE : 0);
/* Depends on:
* screen array, disptop, scrtop,
* selection, rv,
- * cfg.blinkpc, blink_is_real, tblinker,
- * curs.y, curs.x, blinker, cfg.blink_cur, cursor_on, has_focus, wrapnext
+ * blinkpc, blink_is_real, tblinker,
+ * curs.y, curs.x, cblinker, blink_cur, cursor_on, has_focus, wrapnext
*/
/* Has the cursor position or type changed ? */
if (term->cursor_on) {
if (term->has_focus) {
- if (term->blinker || !term->cfg.blink_cur)
+ if (term->cblinker || !term->blink_cur)
cursor = TATTR_ACTCURS;
else
cursor = 0;
our_curs_y = term->curs.y - term->disptop;
{
/*
- * Adjust the cursor position in the case where it's
- * resting on the right-hand half of a CJK wide character.
- * xterm's behaviour here, which seems adequate to me, is
- * to display the cursor covering the _whole_ character,
- * exactly as if it were one space to the left.
+ * Adjust the cursor position:
+ * - for bidi
+ * - in the case where it's resting on the right-hand half
+ * of a CJK wide character. xterm's behaviour here,
+ * which seems adequate to me, is to display the cursor
+ * covering the _whole_ character, exactly as if it were
+ * one space to the left.
*/
- unsigned long *ldata = lineptr(term->curs.y);
+ termline *ldata = lineptr(term->curs.y);
+ termchar *lchars;
+
our_curs_x = term->curs.x;
+
+ if ( (lchars = term_bidi_line(term, ldata, our_curs_y)) != NULL) {
+ our_curs_x = term->post_bidi_cache[our_curs_y].forward[our_curs_x];
+ } else
+ lchars = ldata->chars;
+
if (our_curs_x > 0 &&
- (ldata[our_curs_x] & (CHAR_MASK | CSET_MASK)) == UCSWIDE)
+ lchars[our_curs_x].chr == UCSWIDE)
our_curs_x--;
+
+ unlineptr(ldata);
}
- if (term->dispcurs && (term->curstype != cursor ||
- term->dispcurs !=
- term->disptext + our_curs_y * (term->cols + 1) +
- our_curs_x)) {
- if (term->dispcurs > term->disptext &&
- (*term->dispcurs & (CHAR_MASK | CSET_MASK)) == UCSWIDE)
- term->dispcurs[-1] |= ATTR_INVALID;
- if ( (term->dispcurs[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE)
- term->dispcurs[1] |= ATTR_INVALID;
- *term->dispcurs |= ATTR_INVALID;
+ /*
+ * If the cursor is not where it was last time we painted, and
+ * its previous position is visible on screen, invalidate its
+ * previous position.
+ */
+ if (term->dispcursy >= 0 &&
+ (term->curstype != cursor ||
+ term->dispcursy != our_curs_y ||
+ term->dispcursx != our_curs_x)) {
+ termchar *dispcurs = term->disptext[term->dispcursy]->chars +
+ term->dispcursx;
+
+ if (term->dispcursx > 0 && dispcurs->chr == UCSWIDE)
+ dispcurs[-1].attr |= ATTR_INVALID;
+ if (term->dispcursx < term->cols-1 && dispcurs[1].chr == UCSWIDE)
+ dispcurs[1].attr |= ATTR_INVALID;
+ dispcurs->attr |= ATTR_INVALID;
+
term->curstype = 0;
}
- term->dispcurs = NULL;
+ term->dispcursx = term->dispcursy = -1;
#ifdef OPTIMISE_SCROLL
/* Do scrolls */
/* The normal screen data */
for (i = 0; i < term->rows; i++) {
- unsigned long *ldata;
- int lattr;
- int idx, dirty_line, dirty_run, selected;
- unsigned long attr = 0;
- int updated_line = 0;
+ termline *ldata;
+ termchar *lchars;
+ int dirty_line, dirty_run, selected;
+ unsigned long attr = 0, cset = 0;
int start = 0;
int ccount = 0;
int last_run_dirty = 0;
+ int laststart, dirtyrect;
+ int *backward;
scrpos.y = i + term->disptop;
ldata = lineptr(scrpos.y);
- lattr = (ldata[term->cols] & LATTR_MODE);
- idx = i * (term->cols + 1);
- dirty_run = dirty_line = (ldata[term->cols] !=
- term->disptext[idx + term->cols]);
- term->disptext[idx + term->cols] = ldata[term->cols];
+ /* Do Arabic shaping and bidi. */
+ lchars = term_bidi_line(term, ldata, i);
+ if (lchars) {
+ backward = term->post_bidi_cache[i].backward;
+ } else {
+ lchars = ldata->chars;
+ backward = NULL;
+ }
- for (j = 0; j < term->cols; j++, idx++) {
+ /*
+ * First loop: work along the line deciding what we want
+ * each character cell to look like.
+ */
+ for (j = 0; j < term->cols; j++) {
unsigned long tattr, tchar;
- unsigned long *d = ldata + j;
- int break_run;
- scrpos.x = j;
+ termchar *d = lchars + j;
+ scrpos.x = backward ? backward[j] : j;
+
+ tchar = d->chr;
+ tattr = d->attr;
+
+ if (!term->ansi_colour)
+ tattr = (tattr & ~(ATTR_FGMASK | ATTR_BGMASK)) |
+ ATTR_DEFFG | ATTR_DEFBG;
+
+ if (!term->xterm_256_colour) {
+ int colour;
+ colour = (tattr & ATTR_FGMASK) >> ATTR_FGSHIFT;
+ if (colour >= 16 && colour < 256)
+ tattr = (tattr &~ ATTR_FGMASK) | ATTR_DEFFG;
+ colour = (tattr & ATTR_BGMASK) >> ATTR_BGSHIFT;
+ if (colour >= 16 && colour < 256)
+ tattr = (tattr &~ ATTR_BGMASK) | ATTR_DEFBG;
+ }
- tchar = (*d & (CHAR_MASK | CSET_MASK));
- tattr = (*d & (ATTR_MASK ^ CSET_MASK));
switch (tchar & CSET_MASK) {
- case ATTR_ASCII:
+ case CSET_ASCII:
tchar = term->ucsdata->unitab_line[tchar & 0xFF];
break;
- case ATTR_LINEDRW:
+ case CSET_LINEDRW:
tchar = term->ucsdata->unitab_xterm[tchar & 0xFF];
break;
- case ATTR_SCOACS:
+ case CSET_SCOACS:
tchar = term->ucsdata->unitab_scoacs[tchar&0xFF];
break;
}
- tattr |= (tchar & CSET_MASK);
- tchar &= CHAR_MASK;
- if ((d[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE)
- tattr |= ATTR_WIDE;
+ if (j < term->cols-1 && d[1].chr == UCSWIDE)
+ tattr |= ATTR_WIDE;
/* Video reversing things */
if (term->selstate == DRAGGING || term->selstate == SELECTED) {
* Check the font we'll _probably_ be using to see if
* the character is wide when we don't want it to be.
*/
- if ((tchar | tattr) != (term->disptext[idx]& ~ATTR_NARROW)) {
- if ((tattr & ATTR_WIDE) == 0 &&
- char_width(ctx, (tchar | tattr) & 0xFFFF) == 2)
+ if (tchar != term->disptext[i]->chars[j].chr ||
+ tattr != (term->disptext[i]->chars[j].attr &~
+ (ATTR_NARROW | DATTR_MASK))) {
+ if ((tattr & ATTR_WIDE) == 0 && char_width(ctx, tchar) == 2)
tattr |= ATTR_NARROW;
- } else if (term->disptext[idx]&ATTR_NARROW)
+ } else if (term->disptext[i]->chars[j].attr & ATTR_NARROW)
tattr |= ATTR_NARROW;
- /* Cursor here ? Save the 'background' */
if (i == our_curs_y && j == our_curs_x) {
- cursor_background = tattr | tchar;
- term->dispcurs = term->disptext + idx;
+ tattr |= cursor;
+ term->curstype = cursor;
+ term->dispcursx = j;
+ term->dispcursy = i;
+ }
+
+ /* FULL-TERMCHAR */
+ newline[j].attr = tattr;
+ newline[j].chr = tchar;
+ /* Combining characters are still read from lchars */
+ newline[j].cc_next = 0;
+ }
+
+ /*
+ * Now loop over the line again, noting where things have
+ * changed.
+ *
+ * During this loop, we keep track of where we last saw
+ * DATTR_STARTRUN. Any mismatch automatically invalidates
+ * _all_ of the containing run that was last printed: that
+ * is, any rectangle that was drawn in one go in the
+ * previous update should be either left completely alone
+ * or overwritten in its entirety. This, along with the
+ * expectation that front ends clip all text runs to their
+ * bounding rectangle, should solve any possible problems
+ * with fonts that overflow their character cells.
+ */
+ laststart = 0;
+ dirtyrect = FALSE;
+ for (j = 0; j < term->cols; j++) {
+ if (term->disptext[i]->chars[j].attr & DATTR_STARTRUN) {
+ laststart = j;
+ dirtyrect = FALSE;
+ }
+
+ if (term->disptext[i]->chars[j].chr != newline[j].chr ||
+ (term->disptext[i]->chars[j].attr &~ DATTR_MASK)
+ != newline[j].attr) {
+ int k;
+
+ if (!dirtyrect) {
+ for (k = laststart; k < j; k++)
+ term->disptext[i]->chars[k].attr |= ATTR_INVALID;
+
+ dirtyrect = TRUE;
+ }
}
- if ((term->disptext[idx] ^ tattr) & ATTR_WIDE)
+ if (dirtyrect)
+ term->disptext[i]->chars[j].attr |= ATTR_INVALID;
+ }
+
+ /*
+ * Finally, loop once more and actually do the drawing.
+ */
+ dirty_run = dirty_line = (ldata->lattr !=
+ term->disptext[i]->lattr);
+ term->disptext[i]->lattr = ldata->lattr;
+
+ for (j = 0; j < term->cols; j++) {
+ unsigned long tattr, tchar;
+ int break_run, do_copy;
+ termchar *d = lchars + j;
+
+ tattr = newline[j].attr;
+ tchar = newline[j].chr;
+
+ if ((term->disptext[i]->chars[j].attr ^ tattr) & ATTR_WIDE)
dirty_line = TRUE;
- break_run = (((tattr ^ attr) & term->attr_mask) ||
- j - start >= sizeof(ch));
+ break_run = ((tattr ^ attr) & term->attr_mask) != 0;
+#ifdef USES_VTLINE_HACK
/* Special hack for VT100 Linedraw glyphs */
- if ((attr & CSET_MASK) == 0x2300 && tchar >= 0xBA
- && tchar <= 0xBD) break_run = TRUE;
+ if ((tchar >= 0x23BA && tchar <= 0x23BD) ||
+ (j > 0 && (newline[j-1].chr >= 0x23BA &&
+ newline[j-1].chr <= 0x23BD)))
+ break_run = TRUE;
+#endif
+
+ /*
+ * Separate out sequences of characters that have the
+ * same CSET, if that CSET is a magic one.
+ */
+ if (CSET_OF(tchar) != cset)
+ break_run = TRUE;
+
+ /*
+ * Break on both sides of any combined-character cell.
+ */
+ if (d->cc_next != 0 ||
+ (j > 0 && d[-1].cc_next != 0))
+ break_run = TRUE;
if (!term->ucsdata->dbcs_screenfont && !dirty_line) {
- if ((tchar | tattr) == term->disptext[idx])
+ if (term->disptext[i]->chars[j].chr == tchar &&
+ (term->disptext[i]->chars[j].attr &~ DATTR_MASK) == tattr)
break_run = TRUE;
else if (!dirty_run && ccount == 1)
break_run = TRUE;
if (break_run) {
if ((dirty_run || last_run_dirty) && ccount > 0) {
- do_text(ctx, start, i, ch, ccount, attr, lattr);
- updated_line = 1;
+ do_text(ctx, start, i, ch, ccount, attr,
+ ldata->lattr);
+ if (attr & (TATTR_ACTCURS | TATTR_PASCURS))
+ do_cursor(ctx, start, i, ch, ccount, attr,
+ ldata->lattr);
}
start = j;
ccount = 0;
attr = tattr;
+ cset = CSET_OF(tchar);
if (term->ucsdata->dbcs_screenfont)
last_run_dirty = dirty_run;
dirty_run = dirty_line;
}
- if ((tchar | tattr) != term->disptext[idx])
+ do_copy = FALSE;
+ if (!termchars_equal_override(&term->disptext[i]->chars[j],
+ d, tchar, tattr)) {
+ do_copy = TRUE;
dirty_run = TRUE;
- ch[ccount++] = (char) tchar;
- term->disptext[idx] = tchar | tattr;
+ }
+
+ if (ccount+2 > chlen) {
+ chlen = ccount + 256;
+ ch = sresize(ch, chlen, wchar_t);
+ }
+
+#ifdef PLATFORM_IS_UTF16
+ if (tchar > 0x10000 && tchar < 0x110000) {
+ ch[ccount++] = (wchar_t) HIGH_SURROGATE_OF(tchar);
+ ch[ccount++] = (wchar_t) LOW_SURROGATE_OF(tchar);
+ } else
+#endif /* PLATFORM_IS_UTF16 */
+ ch[ccount++] = (wchar_t) tchar;
+
+ if (d->cc_next) {
+ termchar *dd = d;
+
+ while (dd->cc_next) {
+ unsigned long schar;
+
+ dd += dd->cc_next;
+
+ schar = dd->chr;
+ switch (schar & CSET_MASK) {
+ case CSET_ASCII:
+ schar = term->ucsdata->unitab_line[schar & 0xFF];
+ break;
+ case CSET_LINEDRW:
+ schar = term->ucsdata->unitab_xterm[schar & 0xFF];
+ break;
+ case CSET_SCOACS:
+ schar = term->ucsdata->unitab_scoacs[schar&0xFF];
+ break;
+ }
+
+ if (ccount+2 > chlen) {
+ chlen = ccount + 256;
+ ch = sresize(ch, chlen, wchar_t);
+ }
+
+#ifdef PLATFORM_IS_UTF16
+ if (schar > 0x10000 && schar < 0x110000) {
+ ch[ccount++] = (wchar_t) HIGH_SURROGATE_OF(schar);
+ ch[ccount++] = (wchar_t) LOW_SURROGATE_OF(schar);
+ } else
+#endif /* PLATFORM_IS_UTF16 */
+ ch[ccount++] = (wchar_t) schar;
+ }
+
+ attr |= TATTR_COMBINING;
+ }
+
+ if (do_copy) {
+ copy_termchar(term->disptext[i], j, d);
+ term->disptext[i]->chars[j].chr = tchar;
+ term->disptext[i]->chars[j].attr = tattr;
+ if (start == j)
+ term->disptext[i]->chars[j].attr |= DATTR_STARTRUN;
+ }
/* If it's a wide char step along to the next one. */
if (tattr & ATTR_WIDE) {
if (++j < term->cols) {
- idx++;
d++;
/*
* By construction above, the cursor should not
* Ever.
*/
assert(!(i == our_curs_y && j == our_curs_x));
- if (term->disptext[idx] != *d)
+ if (!termchars_equal(&term->disptext[i]->chars[j], d))
dirty_run = TRUE;
- term->disptext[idx] = *d;
+ copy_termchar(term->disptext[i], j, d);
}
}
}
if (dirty_run && ccount > 0) {
- do_text(ctx, start, i, ch, ccount, attr, lattr);
- updated_line = 1;
- }
-
- /* Cursor on this line ? (and changed) */
- if (i == our_curs_y && (term->curstype != cursor || updated_line)) {
- ch[0] = (char) (cursor_background & CHAR_MASK);
- attr = (cursor_background & ATTR_MASK) | cursor;
- do_cursor(ctx, our_curs_x, i, ch, 1, attr, lattr);
- term->curstype = cursor;
+ do_text(ctx, start, i, ch, ccount, attr,
+ ldata->lattr);
+ if (attr & (TATTR_ACTCURS | TATTR_PASCURS))
+ do_cursor(ctx, start, i, ch, ccount, attr,
+ ldata->lattr);
}
- }
-}
-
-/*
- * Flick the switch that says if blinking things should be shown or hidden.
- */
-
-void term_blink(Terminal *term, int flg)
-{
- long now, blink_diff;
-
- now = GETTICKCOUNT();
- blink_diff = now - term->last_tblink;
- /* Make sure the text blinks no more than 2Hz; we'll use 0.45 s period. */
- if (blink_diff < 0 || blink_diff > (TICKSPERSEC * 9 / 20)) {
- term->last_tblink = now;
- term->tblinker = !term->tblinker;
- }
-
- if (flg) {
- term->blinker = 1;
- term->last_blink = now;
- return;
+ unlineptr(ldata);
}
- blink_diff = now - term->last_blink;
-
- /* Make sure the cursor blinks no faster than system blink rate */
- if (blink_diff >= 0 && blink_diff < (long) CURSORBLINK)
- return;
-
- term->last_blink = now;
- term->blinker = !term->blinker;
+ sfree(newline);
+ sfree(ch);
}
/*
*/
void term_invalidate(Terminal *term)
{
- int i;
+ int i, j;
+
+ for (i = 0; i < term->rows; i++)
+ for (j = 0; j < term->cols; j++)
+ term->disptext[i]->chars[j].attr |= ATTR_INVALID;
- for (i = 0; i < term->rows * (term->cols + 1); i++)
- term->disptext[i] = ATTR_INVALID;
+ term_schedule_update(term);
}
/*
if (bottom >= term->rows) bottom = term->rows-1;
for (i = top; i <= bottom && i < term->rows; i++) {
- if ((term->disptext[i * (term->cols + 1) + term->cols] &
- LATTR_MODE) == LATTR_NORM)
+ if ((term->disptext[i]->lattr & LATTR_MODE) == LATTR_NORM)
for (j = left; j <= right && j < term->cols; j++)
- term->disptext[i * (term->cols + 1) + j] = ATTR_INVALID;
+ term->disptext[i]->chars[j].attr |= ATTR_INVALID;
else
for (j = left / 2; j <= right / 2 + 1 && j < term->cols; j++)
- term->disptext[i * (term->cols + 1) + j] = ATTR_INVALID;
+ term->disptext[i]->chars[j].attr |= ATTR_INVALID;
}
- /* This should happen soon enough, also for some reason it sometimes
- * fails to actually do anything when re-sizing ... painting the wrong
- * window perhaps ?
- */
- if (immediately)
+ if (immediately) {
do_paint (term, ctx, FALSE);
+ } else {
+ term_schedule_update(term);
+ }
}
/*
term_update(term);
}
+/*
+ * Scroll the scrollback to centre it on the beginning or end of the
+ * current selection, if any.
+ */
+void term_scroll_to_selection(Terminal *term, int which_end)
+{
+ pos target;
+ int y;
+ int sbtop = -sblines(term);
+
+ if (term->selstate != SELECTED)
+ return;
+ if (which_end)
+ target = term->selend;
+ else
+ target = term->selstart;
+
+ y = target.y - term->rows/2;
+ if (y < sbtop)
+ y = sbtop;
+ else if (y > 0)
+ y = 0;
+ term_scroll(term, -1, y);
+}
+
+/*
+ * Helper routine for clipme(): growing buffer.
+ */
+typedef struct {
+ int buflen; /* amount of allocated space in textbuf/attrbuf */
+ int bufpos; /* amount of actual data */
+ wchar_t *textbuf; /* buffer for copied text */
+ wchar_t *textptr; /* = textbuf + bufpos (current insertion point) */
+ int *attrbuf; /* buffer for copied attributes */
+ int *attrptr; /* = attrbuf + bufpos */
+} clip_workbuf;
+
+static void clip_addchar(clip_workbuf *b, wchar_t chr, int attr)
+{
+ if (b->bufpos >= b->buflen) {
+ b->buflen += 128;
+ b->textbuf = sresize(b->textbuf, b->buflen, wchar_t);
+ b->textptr = b->textbuf + b->bufpos;
+ b->attrbuf = sresize(b->attrbuf, b->buflen, int);
+ b->attrptr = b->attrbuf + b->bufpos;
+ }
+ *b->textptr++ = chr;
+ *b->attrptr++ = attr;
+ b->bufpos++;
+}
+
static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
{
- wchar_t *workbuf;
- wchar_t *wbptr; /* where next char goes within workbuf */
+ clip_workbuf buf;
int old_top_x;
- int wblen = 0; /* workbuf len */
- int buflen; /* amount of memory allocated to workbuf */
+ int attr;
+
+ buf.buflen = 5120;
+ buf.bufpos = 0;
+ buf.textptr = buf.textbuf = snewn(buf.buflen, wchar_t);
+ buf.attrptr = buf.attrbuf = snewn(buf.buflen, int);
- buflen = 5120; /* Default size */
- workbuf = snewn(buflen, wchar_t);
- wbptr = workbuf; /* start filling here */
old_top_x = top.x; /* needed for rect==1 */
while (poslt(top, bottom)) {
int nl = FALSE;
- unsigned long *ldata = lineptr(top.y);
+ termline *ldata = lineptr(top.y);
pos nlpos;
/*
* because in normal selection mode this means we need a
* newline at the end)...
*/
- if (!(ldata[term->cols] & LATTR_WRAPPED)) {
- while (((ldata[nlpos.x - 1] & 0xFF) == 0x20 ||
- (DIRECT_CHAR(ldata[nlpos.x - 1]) &&
- (ldata[nlpos.x - 1] & CHAR_MASK) == 0x20))
- && poslt(top, nlpos))
+ if (!(ldata->lattr & LATTR_WRAPPED)) {
+ while (nlpos.x &&
+ IS_SPACE_CHR(ldata->chars[nlpos.x - 1].chr) &&
+ !ldata->chars[nlpos.x - 1].cc_next &&
+ poslt(top, nlpos))
decpos(nlpos);
if (poslt(nlpos, bottom))
nl = TRUE;
- } else if (ldata[term->cols] & LATTR_WRAPPED2) {
+ } else if (ldata->lattr & LATTR_WRAPPED2) {
/* Ignore the last char on the line in a WRAPPED2 line. */
decpos(nlpos);
}
sprintf(cbuf, "<U+%04x>", (ldata[top.x] & 0xFFFF));
#else
wchar_t cbuf[16], *p;
- int uc = (ldata[top.x] & 0xFFFF);
- int set, c;
+ int c;
+ int x = top.x;
- if (uc == UCSWIDE) {
+ if (ldata->chars[x].chr == UCSWIDE) {
top.x++;
continue;
}
- switch (uc & CSET_MASK) {
- case ATTR_LINEDRW:
- if (!term->cfg.rawcnp) {
- uc = term->ucsdata->unitab_xterm[uc & 0xFF];
+ while (1) {
+ int uc = ldata->chars[x].chr;
+ attr = ldata->chars[x].attr;
+
+ switch (uc & CSET_MASK) {
+ case CSET_LINEDRW:
+ if (!term->rawcnp) {
+ uc = term->ucsdata->unitab_xterm[uc & 0xFF];
+ break;
+ }
+ case CSET_ASCII:
+ uc = term->ucsdata->unitab_line[uc & 0xFF];
+ break;
+ case CSET_SCOACS:
+ uc = term->ucsdata->unitab_scoacs[uc&0xFF];
+ break;
+ }
+ switch (uc & CSET_MASK) {
+ case CSET_ACP:
+ uc = term->ucsdata->unitab_font[uc & 0xFF];
+ break;
+ case CSET_OEMCP:
+ uc = term->ucsdata->unitab_oemcp[uc & 0xFF];
break;
}
- case ATTR_ASCII:
- uc = term->ucsdata->unitab_line[uc & 0xFF];
- break;
- case ATTR_SCOACS:
- uc = term->ucsdata->unitab_scoacs[uc&0xFF];
- break;
- }
- switch (uc & CSET_MASK) {
- case ATTR_ACP:
- uc = term->ucsdata->unitab_font[uc & 0xFF];
- break;
- case ATTR_OEMCP:
- uc = term->ucsdata->unitab_oemcp[uc & 0xFF];
- break;
- }
- set = (uc & CSET_MASK);
- c = (uc & CHAR_MASK);
- cbuf[0] = uc;
- cbuf[1] = 0;
-
- if (DIRECT_FONT(uc)) {
- if (c >= ' ' && c != 0x7F) {
- char buf[4];
- WCHAR wbuf[4];
- int rv;
- if (is_dbcs_leadbyte(term->ucsdata->font_codepage, (BYTE) c)) {
- buf[0] = c;
- buf[1] = (char) (0xFF & ldata[top.x + 1]);
- rv = mb_to_wc(term->ucsdata->font_codepage, 0, buf, 2, wbuf, 4);
- top.x++;
- } else {
- buf[0] = c;
- rv = mb_to_wc(term->ucsdata->font_codepage, 0, buf, 1, wbuf, 4);
- }
+ c = (uc & ~CSET_MASK);
+#ifdef PLATFORM_IS_UTF16
+ if (uc > 0x10000 && uc < 0x110000) {
+ cbuf[0] = 0xD800 | ((uc - 0x10000) >> 10);
+ cbuf[1] = 0xDC00 | ((uc - 0x10000) & 0x3FF);
+ cbuf[2] = 0;
+ } else
+#endif
+ {
+ cbuf[0] = uc;
+ cbuf[1] = 0;
+ }
+
+ if (DIRECT_FONT(uc)) {
+ if (c >= ' ' && c != 0x7F) {
+ char buf[4];
+ WCHAR wbuf[4];
+ int rv;
+ if (is_dbcs_leadbyte(term->ucsdata->font_codepage, (BYTE) c)) {
+ buf[0] = c;
+ buf[1] = (char) (0xFF & ldata->chars[top.x + 1].chr);
+ rv = mb_to_wc(term->ucsdata->font_codepage, 0, buf, 2, wbuf, 4);
+ top.x++;
+ } else {
+ buf[0] = c;
+ rv = mb_to_wc(term->ucsdata->font_codepage, 0, buf, 1, wbuf, 4);
+ }
- if (rv > 0) {
- memcpy(cbuf, wbuf, rv * sizeof(wchar_t));
- cbuf[rv] = 0;
+ if (rv > 0) {
+ memcpy(cbuf, wbuf, rv * sizeof(wchar_t));
+ cbuf[rv] = 0;
+ }
}
}
- }
#endif
- for (p = cbuf; *p; p++) {
- /* Enough overhead for trailing NL and nul */
- if (wblen >= buflen - 16) {
- buflen += 100;
- workbuf = sresize(workbuf, buflen, wchar_t);
- wbptr = workbuf + wblen;
- }
- wblen++;
- *wbptr++ = *p;
+ for (p = cbuf; *p; p++)
+ clip_addchar(&buf, *p, attr);
+
+ if (ldata->chars[x].cc_next)
+ x += ldata->chars[x].cc_next;
+ else
+ break;
}
top.x++;
}
if (nl) {
int i;
- for (i = 0; i < sel_nl_sz; i++) {
- wblen++;
- *wbptr++ = sel_nl[i];
- }
+ for (i = 0; i < sel_nl_sz; i++)
+ clip_addchar(&buf, sel_nl[i], 0);
}
top.y++;
top.x = rect ? old_top_x : 0;
+
+ unlineptr(ldata);
}
#if SELECTION_NUL_TERMINATED
- wblen++;
- *wbptr++ = 0;
+ clip_addchar(&buf, 0, 0);
#endif
- write_clip(term->frontend, workbuf, wblen, desel); /* transfer to clipbd */
- if (buflen > 0) /* indicates we allocated this buffer */
- sfree(workbuf);
+ /* Finally, transfer all that to the clipboard. */
+ write_clip(term->frontend, buf.textbuf, buf.attrbuf, buf.bufpos, desel);
+ sfree(buf.textbuf);
+ sfree(buf.attrbuf);
}
void term_copyall(Terminal *term)
{
pos top;
+ pos bottom;
+ tree234 *screen = term->screen;
top.y = -sblines(term);
top.x = 0;
- clipme(term, top, term->curs, 0, TRUE);
+ bottom.y = find_last_nonempty_line(term, screen);
+ bottom.x = term->cols;
+ clipme(term, top, bottom, 0, TRUE);
}
/*
};
const struct ucsword *wptr;
- uc &= (CSET_MASK | CHAR_MASK);
-
switch (uc & CSET_MASK) {
- case ATTR_LINEDRW:
+ case CSET_LINEDRW:
uc = term->ucsdata->unitab_xterm[uc & 0xFF];
break;
- case ATTR_ASCII:
+ case CSET_ASCII:
uc = term->ucsdata->unitab_line[uc & 0xFF];
break;
- case ATTR_SCOACS:
+ case CSET_SCOACS:
uc = term->ucsdata->unitab_scoacs[uc&0xFF];
break;
}
switch (uc & CSET_MASK) {
- case ATTR_ACP:
+ case CSET_ACP:
uc = term->ucsdata->unitab_font[uc & 0xFF];
break;
- case ATTR_OEMCP:
+ case CSET_OEMCP:
uc = term->ucsdata->unitab_oemcp[uc & 0xFF];
break;
}
- /* For DBCS font's I can't do anything usefull. Even this will sometimes
+ /* For DBCS fonts I can't do anything useful. Even this will sometimes
* fail as there's such a thing as a double width space. :-(
*/
if (term->ucsdata->dbcs_screenfont &&
*/
static pos sel_spread_half(Terminal *term, pos p, int dir)
{
- unsigned long *ldata;
+ termline *ldata;
short wvalue;
int topy = -sblines(term);
* In this mode, every character is a separate unit, except
* for runs of spaces at the end of a non-wrapping line.
*/
- if (!(ldata[term->cols] & LATTR_WRAPPED)) {
- unsigned long *q = ldata + term->cols;
- while (q > ldata && (q[-1] & CHAR_MASK) == 0x20)
+ if (!(ldata->lattr & LATTR_WRAPPED)) {
+ termchar *q = ldata->chars + term->cols;
+ while (q > ldata->chars &&
+ IS_SPACE_CHR(q[-1].chr) && !q[-1].cc_next)
q--;
- if (q == ldata + term->cols)
+ if (q == ldata->chars + term->cols)
q--;
- if (p.x >= q - ldata)
- p.x = (dir == -1 ? q - ldata : term->cols - 1);
+ if (p.x >= q - ldata->chars)
+ p.x = (dir == -1 ? q - ldata->chars : term->cols - 1);
}
break;
case SM_WORD:
* In this mode, the units are maximal runs of characters
* whose `wordness' has the same value.
*/
- wvalue = wordtype(term, UCSGET(ldata, p.x));
+ wvalue = wordtype(term, UCSGET(ldata->chars, p.x));
if (dir == +1) {
while (1) {
- int maxcols = (ldata[term->cols] & LATTR_WRAPPED2 ?
+ int maxcols = (ldata->lattr & LATTR_WRAPPED2 ?
term->cols-1 : term->cols);
if (p.x < maxcols-1) {
- if (wordtype(term, UCSGET(ldata, p.x + 1)) == wvalue)
+ if (wordtype(term, UCSGET(ldata->chars, p.x+1)) == wvalue)
p.x++;
else
break;
} else {
- if (ldata[term->cols] & LATTR_WRAPPED) {
- unsigned long *ldata2;
+ if (p.y+1 < term->rows &&
+ (ldata->lattr & LATTR_WRAPPED)) {
+ termline *ldata2;
ldata2 = lineptr(p.y+1);
- if (wordtype(term, UCSGET(ldata2, 0)) == wvalue) {
+ if (wordtype(term, UCSGET(ldata2->chars, 0))
+ == wvalue) {
p.x = 0;
p.y++;
+ unlineptr(ldata);
ldata = ldata2;
- } else
+ } else {
+ unlineptr(ldata2);
break;
+ }
} else
break;
}
} else {
while (1) {
if (p.x > 0) {
- if (wordtype(term, UCSGET(ldata, p.x - 1)) == wvalue)
+ if (wordtype(term, UCSGET(ldata->chars, p.x-1)) == wvalue)
p.x--;
else
break;
} else {
- unsigned long *ldata2;
+ termline *ldata2;
int maxcols;
if (p.y <= topy)
break;
ldata2 = lineptr(p.y-1);
- maxcols = (ldata2[term->cols] & LATTR_WRAPPED2 ?
+ maxcols = (ldata2->lattr & LATTR_WRAPPED2 ?
term->cols-1 : term->cols);
- if (ldata2[term->cols] & LATTR_WRAPPED) {
- if (wordtype(term, UCSGET(ldata2, maxcols-1))
+ if (ldata2->lattr & LATTR_WRAPPED) {
+ if (wordtype(term, UCSGET(ldata2->chars, maxcols-1))
== wvalue) {
p.x = maxcols-1;
p.y--;
+ unlineptr(ldata);
ldata = ldata2;
- } else
+ } else {
+ unlineptr(ldata2);
break;
+ }
} else
break;
}
p.x = (dir == -1 ? 0 : term->cols - 1);
break;
}
+
+ unlineptr(ldata);
return p;
}
if (term->paste_buffer)
sfree(term->paste_buffer);
term->paste_pos = term->paste_hold = term->paste_len = 0;
- term->paste_buffer = snewn(len, wchar_t);
+ term->paste_buffer = snewn(len + 12, wchar_t);
+
+ if (term->bracketed_paste) {
+ memcpy(term->paste_buffer, L"\033[200~", 6 * sizeof(wchar_t));
+ term->paste_len += 6;
+ }
p = q = data;
while (p < data + len) {
q = p;
}
+ if (term->bracketed_paste) {
+ memcpy(term->paste_buffer + term->paste_len,
+ L"\033[201~", 6 * sizeof(wchar_t));
+ term->paste_len += 6;
+ }
+
/* Assume a small paste will be OK in one go. */
if (term->paste_len < 256) {
if (term->ldisc)
Mouse_Action a, int x, int y, int shift, int ctrl, int alt)
{
pos selpoint;
- unsigned long *ldata;
+ termline *ldata;
int raw_mouse = (term->xterm_mouse &&
- !term->cfg.no_mouse_rep &&
- !(term->cfg.mouse_override && shift));
+ !term->no_mouse_rep &&
+ !(term->mouse_override && shift));
int default_seltype;
if (y < 0) {
x = term->cols - 1;
selpoint.y = y + term->disptop;
- selpoint.x = x;
ldata = lineptr(selpoint.y);
- if ((ldata[term->cols] & LATTR_MODE) != LATTR_NORM)
- selpoint.x /= 2;
- if (raw_mouse) {
+ if ((ldata->lattr & LATTR_MODE) != LATTR_NORM)
+ x /= 2;
+
+ /*
+ * Transform x through the bidi algorithm to find the _logical_
+ * click point from the physical one.
+ */
+ if (term_bidi_line(term, ldata, y) != NULL) {
+ x = term->post_bidi_cache[y].backward[x];
+ }
+
+ selpoint.x = x;
+ unlineptr(ldata);
+
+ /*
+ * If we're in the middle of a selection operation, we ignore raw
+ * mouse mode until it's done (we must have been not in raw mouse
+ * mode when it started).
+ * This makes use of Shift for selection reliable, and avoids the
+ * host seeing mouse releases for which they never saw corresponding
+ * presses.
+ */
+ if (raw_mouse &&
+ (term->selstate != ABOUT_TO) && (term->selstate != DRAGGING)) {
int encstate = 0, r, c;
- char abuf[16];
+ char abuf[32];
+ int len = 0;
if (term->ldisc) {
switch (braw) {
case MBT_LEFT:
- encstate = 0x20; /* left button down */
+ encstate = 0x00; /* left button down */
break;
case MBT_MIDDLE:
- encstate = 0x21;
+ encstate = 0x01;
break;
case MBT_RIGHT:
- encstate = 0x22;
+ encstate = 0x02;
break;
case MBT_WHEEL_UP:
- encstate = 0x60;
+ encstate = 0x40;
break;
case MBT_WHEEL_DOWN:
- encstate = 0x61;
+ encstate = 0x41;
break;
default: break; /* placate gcc warning about enum use */
}
encstate += 0x20;
break;
case MA_RELEASE:
- encstate = 0x23;
+ /* If multiple extensions are enabled, the xterm 1006 is used, so it's okay to check for only that */
+ if (!term->xterm_extended_mouse)
+ encstate = 0x03;
term->mouse_is_down = 0;
break;
case MA_CLICK:
encstate += 0x04;
if (ctrl)
encstate += 0x10;
- r = y + 33;
- c = x + 33;
-
- sprintf(abuf, "\033[M%c%c%c", encstate, c, r);
- ldisc_send(term->ldisc, abuf, 6, 0);
+ r = y + 1;
+ c = x + 1;
+
+ /* Check the extensions in decreasing order of preference. Encoding the release event above assumes that 1006 comes first. */
+ if (term->xterm_extended_mouse) {
+ len = sprintf(abuf, "\033[<%d;%d;%d%c", encstate, c, r, a == MA_RELEASE ? 'm' : 'M');
+ } else if (term->urxvt_extended_mouse) {
+ len = sprintf(abuf, "\033[%d;%d;%dM", encstate + 32, c, r);
+ } else if (c <= 223 && r <= 223) {
+ len = sprintf(abuf, "\033[M%c%c%c", encstate + 32, c + 32, r + 32);
+ }
+ ldisc_send(term->ldisc, abuf, len, 0);
}
return;
}
* Set the selection type (rectangular or normal) at the start
* of a selection attempt, from the state of Alt.
*/
- if (!alt ^ !term->cfg.rect_select)
+ if (!alt ^ !term->rect_select)
default_seltype = RECTANGULAR;
else
default_seltype = LEXICOGRAPHIC;
request_paste(term->frontend);
}
+ /*
+ * Since terminal output is suppressed during drag-selects, we
+ * should make sure to write any pending output if one has just
+ * finished.
+ */
+ if (term->selstate != DRAGGING)
+ term_out(term);
term_update(term);
}
-void term_key(Terminal *term, Key_Sym keysym, wchar_t *text, size_t tlen,
- unsigned int modifiers, unsigned int flags)
+int format_arrow_key(char *buf, Terminal *term, int xkey, int ctrl)
{
- char output[10];
- char *p = output;
- int prependesc = FALSE;
-#if 0
- int i;
-
- fprintf(stderr, "keysym = %d, %d chars:", keysym, tlen);
- for (i = 0; i < tlen; i++)
- fprintf(stderr, " %04x", (unsigned)text[i]);
- fprintf(stderr, "\n");
-#endif
-
- /* XXX Num Lock */
- if ((flags & PKF_REPEAT) && term->repeat_off)
- return;
-
- /* Currently, Meta always just prefixes everything with ESC. */
- if (modifiers & PKM_META)
- prependesc = TRUE;
- modifiers &= ~PKM_META;
-
- /*
- * Alt is only used for Alt+keypad, which isn't supported yet, so
- * ignore it.
- */
- modifiers &= ~PKM_ALT;
-
- /* Standard local function keys */
- switch (modifiers & (PKM_SHIFT | PKM_CONTROL)) {
- case PKM_SHIFT:
- if (keysym == PK_PAGEUP)
- /* scroll up one page */;
- if (keysym == PK_PAGEDOWN)
- /* scroll down on page */;
- if (keysym == PK_INSERT)
- term_do_paste(term);
- break;
- case PKM_CONTROL:
- if (keysym == PK_PAGEUP)
- /* scroll up one line */;
- if (keysym == PK_PAGEDOWN)
- /* scroll down one line */;
- /* Control-Numlock for app-keypad mode switch */
- if (keysym == PK_PF1)
- term->app_keypad_keys ^= 1;
- break;
- }
-
- if (modifiers & PKM_ALT) {
- /* Alt+F4 (close) */
- /* Alt+Return (full screen) */
- /* Alt+Space (system menu) */
- }
-
- if (keysym == PK_NULL && (modifiers & PKM_CONTROL) && tlen == 1 &&
- text[0] >= 0x20 && text[0] <= 0x7e) {
- /* ASCII chars + Control */
- if ((text[0] >= 0x40 && text[0] <= 0x5f) ||
- (text[0] >= 0x61 && text[0] <= 0x7a))
- text[0] &= 0x1f;
- else {
- /*
- * Control-2 should return ^@ (0x00), Control-6 should return
- * ^^ (0x1E), and Control-Minus should return ^_ (0x1F). Since
- * the DOS keyboard handling did it, and we have nothing better
- * to do with the key combo in question, we'll also map
- * Control-Backquote to ^\ (0x1C).
- */
- switch (text[0]) {
- case ' ': text[0] = 0x00; break;
- case '-': text[0] = 0x1f; break;
- case '/': text[0] = 0x1f; break;
- case '2': text[0] = 0x00; break;
- case '3': text[0] = 0x1b; break;
- case '4': text[0] = 0x1c; break;
- case '5': text[0] = 0x1d; break;
- case '6': text[0] = 0x1e; break;
- case '7': text[0] = 0x1f; break;
- case '8': text[0] = 0x7f; break;
- case '`': text[0] = 0x1c; break;
- }
- }
- }
-
- /* Nethack keypad */
- if (term->cfg.nethack_keypad) {
- char c = 0;
- switch (keysym) {
- case PK_KP1: c = 'b'; break;
- case PK_KP2: c = 'j'; break;
- case PK_KP3: c = 'n'; break;
- case PK_KP4: c = 'h'; break;
- case PK_KP5: c = '.'; break;
- case PK_KP6: c = 'l'; break;
- case PK_KP7: c = 'y'; break;
- case PK_KP8: c = 'k'; break;
- case PK_KP9: c = 'u'; break;
- default: break; /* else gcc warns `enum value not used' */
- }
- if (c != 0) {
- if (c != '.') {
- if (modifiers & PKM_CONTROL)
- c &= 0x1f;
- else if (modifiers & PKM_SHIFT)
- c = toupper(c);
- }
- *p++ = c;
- goto done;
- }
- }
-
- /* Numeric Keypad */
- if (PK_ISKEYPAD(keysym)) {
- int xkey = 0;
+ char *p = buf;
+ if (term->vt52_mode)
+ p += sprintf((char *) p, "\x1B%c", xkey);
+ else {
+ int app_flg = (term->app_cursor_keys && !term->no_applic_c);
+#if 0
/*
- * In VT400 mode, PFn always emits an escape sequence. In
- * Linux and tilde modes, this only happens in app keypad mode.
+ * RDB: VT100 & VT102 manuals both state the app cursor
+ * keys only work if the app keypad is on.
+ *
+ * SGT: That may well be true, but xterm disagrees and so
+ * does at least one application, so I've #if'ed this out
+ * and the behaviour is back to PuTTY's original: app
+ * cursor and app keypad are independently switchable
+ * modes. If anyone complains about _this_ I'll have to
+ * put in a configurable option.
*/
- if (term->cfg.funky_type == FUNKY_VT400 ||
- ((term->cfg.funky_type == FUNKY_LINUX ||
- term->cfg.funky_type == FUNKY_TILDE) &&
- term->app_keypad_keys && !term->cfg.no_applic_k)) {
- switch (keysym) {
- case PK_PF1: xkey = 'P'; break;
- case PK_PF2: xkey = 'Q'; break;
- case PK_PF3: xkey = 'R'; break;
- case PK_PF4: xkey = 'S'; break;
- default: break; /* else gcc warns `enum value not used' */
- }
- }
- if (term->app_keypad_keys && !term->cfg.no_applic_k) {
- switch (keysym) {
- case PK_KP0: xkey = 'p'; break;
- case PK_KP1: xkey = 'q'; break;
- case PK_KP2: xkey = 'r'; break;
- case PK_KP3: xkey = 's'; break;
- case PK_KP4: xkey = 't'; break;
- case PK_KP5: xkey = 'u'; break;
- case PK_KP6: xkey = 'v'; break;
- case PK_KP7: xkey = 'w'; break;
- case PK_KP8: xkey = 'x'; break;
- case PK_KP9: xkey = 'y'; break;
- case PK_KPDECIMAL: xkey = 'n'; break;
- case PK_KPENTER: xkey = 'M'; break;
- default: break; /* else gcc warns `enum value not used' */
- }
- if (term->cfg.funky_type == FUNKY_XTERM && tlen > 0) {
- /*
- * xterm can't see the layout of the keypad, so it has
- * to rely on the X keysyms returned by the keys.
- * Hence, we look at the strings here, not the PuTTY
- * keysyms (which describe the layout).
- */
- switch (text[0]) {
- case '+':
- if (modifiers & PKM_SHIFT)
- xkey = 'l';
- else
- xkey = 'k';
- break;
- case '/': xkey = 'o'; break;
- case '*': xkey = 'j'; break;
- case '-': xkey = 'm'; break;
- }
- } else {
- /*
- * In all other modes, we try to retain the layout of
- * the DEC keypad in application mode.
- */
- switch (keysym) {
- case PK_KPBIGPLUS:
- /* This key covers the '-' and ',' keys on a VT220 */
- if (modifiers & PKM_SHIFT)
- xkey = 'm'; /* VT220 '-' */
- else
- xkey = 'l'; /* VT220 ',' */
- break;
- case PK_KPMINUS: xkey = 'm'; break;
- case PK_KPCOMMA: xkey = 'l'; break;
- default: break; /* else gcc warns `enum value not used' */
- }
- }
- }
- if (xkey) {
- if (term->vt52_mode) {
- if (xkey >= 'P' && xkey <= 'S')
- p += sprintf((char *) p, "\x1B%c", xkey);
- else
- p += sprintf((char *) p, "\x1B?%c", xkey);
- } else
- p += sprintf((char *) p, "\x1BO%c", xkey);
- goto done;
- }
- /* Not in application mode -- treat the number pad as arrow keys? */
- if ((flags & PKF_NUMLOCK) == 0) {
- switch (keysym) {
- case PK_KP0: keysym = PK_INSERT; break;
- case PK_KP1: keysym = PK_END; break;
- case PK_KP2: keysym = PK_DOWN; break;
- case PK_KP3: keysym = PK_PAGEDOWN; break;
- case PK_KP4: keysym = PK_LEFT; break;
- case PK_KP5: keysym = PK_REST; break;
- case PK_KP6: keysym = PK_RIGHT; break;
- case PK_KP7: keysym = PK_HOME; break;
- case PK_KP8: keysym = PK_UP; break;
- case PK_KP9: keysym = PK_PAGEUP; break;
- default: break; /* else gcc warns `enum value not used' */
- }
- }
- }
-
- /* Miscellaneous keys */
- switch (keysym) {
- case PK_ESCAPE:
- *p++ = 0x1b;
- goto done;
- case PK_BACKSPACE:
- if (modifiers == 0)
- *p++ = (term->cfg.bksp_is_delete ? 0x7F : 0x08);
- else if (modifiers == PKM_SHIFT)
- /* We do the opposite of what is configured */
- *p++ = (term->cfg.bksp_is_delete ? 0x08 : 0x7F);
- else break;
- goto done;
- case PK_TAB:
- if (modifiers == 0)
- *p++ = 0x09;
- else if (modifiers == PKM_SHIFT)
- *p++ = 0x1B, *p++ = '[', *p++ = 'Z';
- else break;
- goto done;
- /* XXX window.c has ctrl+shift+space sending 0xa0 */
- case PK_PAUSE:
- if (modifiers == PKM_CONTROL)
- *p++ = 26;
- else break;
- goto done;
- case PK_RETURN:
- case PK_KPENTER: /* Odd keypad modes handled above */
- if (modifiers == 0) {
- *p++ = 0x0d;
- if (term->cr_lf_return)
- *p++ = 0x0a;
- goto done;
- }
- default: break; /* else gcc warns `enum value not used' */
- }
+ if (!term->app_keypad_keys)
+ app_flg = 0;
+#endif
+ /* Useful mapping of Ctrl-arrows */
+ if (ctrl)
+ app_flg = !app_flg;
- /* SCO function keys and editing keys */
- if (term->cfg.funky_type == FUNKY_SCO) {
- if (PK_ISFKEY(keysym) && keysym <= PK_F12) {
- static char const codes[] =
- "MNOPQRSTUVWX" "YZabcdefghij" "klmnopqrstuv" "wxyz@[\\]^_`{";
- int index = keysym - PK_F1;
-
- if (modifiers & PKM_SHIFT) index += 12;
- if (modifiers & PKM_CONTROL) index += 24;
- p += sprintf((char *) p, "\x1B[%c", codes[index]);
- goto done;
- }
- if (PK_ISEDITING(keysym)) {
- int xkey = 0;
-
- switch (keysym) {
- case PK_DELETE: *p++ = 0x7f; goto done;
- case PK_HOME: xkey = 'H'; break;
- case PK_INSERT: xkey = 'L'; break;
- case PK_END: xkey = 'F'; break;
- case PK_PAGEUP: xkey = 'I'; break;
- case PK_PAGEDOWN: xkey = 'G'; break;
- default: break; /* else gcc warns `enum value not used' */
- }
+ if (app_flg)
+ p += sprintf((char *) p, "\x1BO%c", xkey);
+ else
p += sprintf((char *) p, "\x1B[%c", xkey);
- }
- }
-
- if (PK_ISEDITING(keysym) && (modifiers & PKM_SHIFT) == 0) {
- int code;
-
- if (term->cfg.funky_type == FUNKY_XTERM) {
- /* Xterm shuffles these keys, apparently. */
- switch (keysym) {
- case PK_HOME: keysym = PK_INSERT; break;
- case PK_INSERT: keysym = PK_HOME; break;
- case PK_DELETE: keysym = PK_END; break;
- case PK_END: keysym = PK_PAGEUP; break;
- case PK_PAGEUP: keysym = PK_DELETE; break;
- case PK_PAGEDOWN: keysym = PK_PAGEDOWN; break;
- default: break; /* else gcc warns `enum value not used' */
- }
- }
-
- /* RXVT Home/End */
- if (term->cfg.rxvt_homeend &&
- (keysym == PK_HOME || keysym == PK_END)) {
- p += sprintf((char *) p, keysym == PK_HOME ? "\x1B[H" : "\x1BOw");
- goto done;
- }
-
- if (term->vt52_mode) {
- int xkey;
-
- /*
- * A real VT52 doesn't have these, and a VT220 doesn't
- * send anything for them in VT52 mode.
- */
- switch (keysym) {
- case PK_HOME: xkey = 'H'; break;
- case PK_INSERT: xkey = 'L'; break;
- case PK_DELETE: xkey = 'M'; break;
- case PK_END: xkey = 'E'; break;
- case PK_PAGEUP: xkey = 'I'; break;
- case PK_PAGEDOWN: xkey = 'G'; break;
- default: xkey=0; break; /* else gcc warns `enum value not used'*/
- }
- p += sprintf((char *) p, "\x1B%c", xkey);
- goto done;
- }
-
- switch (keysym) {
- case PK_HOME: code = 1; break;
- case PK_INSERT: code = 2; break;
- case PK_DELETE: code = 3; break;
- case PK_END: code = 4; break;
- case PK_PAGEUP: code = 5; break;
- case PK_PAGEDOWN: code = 6; break;
- default: code = 0; break; /* else gcc warns `enum value not used' */
- }
- p += sprintf((char *) p, "\x1B[%d~", code);
- goto done;
- }
-
- if (PK_ISFKEY(keysym)) {
- /* Map Shift+F1-F10 to F11-F20 */
- if (keysym >= PK_F1 && keysym <= PK_F10 && (modifiers & PKM_SHIFT))
- keysym += 10;
- if ((term->vt52_mode || term->cfg.funky_type == FUNKY_VT100P) &&
- keysym <= PK_F14) {
- /* XXX This overrides the XTERM/VT52 mode below */
- int offt = 0;
- if (keysym >= PK_F6) offt++;
- if (keysym >= PK_F12) offt++;
- p += sprintf((char *) p, term->vt52_mode ? "\x1B%c" : "\x1BO%c",
- 'P' + keysym - PK_F1 - offt);
- goto done;
- }
- if (term->cfg.funky_type == FUNKY_LINUX && keysym <= PK_F5) {
- p += sprintf((char *) p, "\x1B[[%c", 'A' + keysym - PK_F1);
- goto done;
- }
- if (term->cfg.funky_type == FUNKY_XTERM && keysym <= PK_F4) {
- if (term->vt52_mode)
- p += sprintf((char *) p, "\x1B%c", 'P' + keysym - PK_F1);
- else
- p += sprintf((char *) p, "\x1BO%c", 'P' + keysym - PK_F1);
- goto done;
- }
- p += sprintf((char *) p, "\x1B[%d~", 11 + keysym - PK_F1);
- goto done;
- }
-
- if (PK_ISCURSOR(keysym)) {
- int xkey;
-
- switch (keysym) {
- case PK_UP: xkey = 'A'; break;
- case PK_DOWN: xkey = 'B'; break;
- case PK_RIGHT: xkey = 'C'; break;
- case PK_LEFT: xkey = 'D'; break;
- case PK_REST: xkey = 'G'; break; /* centre key on number pad */
- default: xkey = 0; break; /* else gcc warns `enum value not used' */
- }
- if (term->vt52_mode)
- p += sprintf((char *) p, "\x1B%c", xkey);
- else {
- int app_flg = (term->app_cursor_keys && !term->cfg.no_applic_c);
-
- /* Useful mapping of Ctrl-arrows */
- if (modifiers == PKM_CONTROL)
- app_flg = !app_flg;
-
- if (app_flg)
- p += sprintf((char *) p, "\x1BO%c", xkey);
- else
- p += sprintf((char *) p, "\x1B[%c", xkey);
- }
- goto done;
}
- done:
- if (p > output || tlen > 0) {
- /*
- * Interrupt an ongoing paste. I'm not sure
- * this is sensible, but for the moment it's
- * preferable to having to faff about buffering
- * things.
- */
- term_nopaste(term);
-
- /*
- * We need not bother about stdin backlogs
- * here, because in GUI PuTTY we can't do
- * anything about it anyway; there's no means
- * of asking Windows to hold off on KEYDOWN
- * messages. We _have_ to buffer everything
- * we're sent.
- */
- term_seen_key_event(term);
-
- if (prependesc) {
-#if 0
- fprintf(stderr, "sending ESC\n");
-#endif
- ldisc_send(term->ldisc, "\x1b", 1, 1);
- }
-
- if (p > output) {
-#if 0
- fprintf(stderr, "sending %d bytes:", p - output);
- for (i = 0; i < p - output; i++)
- fprintf(stderr, " %02x", output[i]);
- fprintf(stderr, "\n");
-#endif
- ldisc_send(term->ldisc, output, p - output, 1);
- } else if (tlen > 0) {
-#if 0
- fprintf(stderr, "sending %d unichars:", tlen);
- for (i = 0; i < tlen; i++)
- fprintf(stderr, " %04x", (unsigned) text[i]);
- fprintf(stderr, "\n");
-#endif
- luni_send(term->ldisc, text, tlen, 1);
- }
- }
+ return p - buf;
}
void term_nopaste(Terminal *term)
{
deselect(term);
term_update(term);
+
+ /*
+ * Since terminal output is suppressed during drag-selects, we
+ * should make sure to write any pending output if one has just
+ * finished.
+ */
+ if (term->selstate != DRAGGING)
+ term_out(term);
}
int term_ldisc(Terminal *term, int option)
int term_data(Terminal *term, int is_stderr, const char *data, int len)
{
- assert(len > 0);
-
bufchain_add(&term->inbuf, data, len);
if (!term->in_term_out) {
term->in_term_out = TRUE;
- term_blink(term, 1);
- term_out(term);
+ term_reset_cblink(term);
+ /*
+ * During drag-selects, we do not process terminal input,
+ * because the user will want the screen to hold still to
+ * be selected.
+ */
+ if (term->selstate != DRAGGING)
+ term_out(term);
term->in_term_out = FALSE;
}
* the remote side needing to wait until term_out() has cleared
* a backlog.
*
- * This is a slightly suboptimal way to deal with SSH2 - in
+ * This is a slightly suboptimal way to deal with SSH-2 - in
* principle, the window mechanism would allow us to continue
* to accept data on forwarded ports and X connections even
* while the terminal processing was going slowly - but we
* can't do the 100% right thing without moving the terminal
* processing into a separate thread, and that might hurt
- * portability. So we manage stdout buffering the old SSH1 way:
+ * portability. So we manage stdout buffering the old SSH-1 way:
* if the terminal processing goes slowly, the whole SSH
* connection stops accepting data until it's ready.
*
return 0;
}
+/*
+ * Write untrusted data to the terminal.
+ * The only control character that should be honoured is \n (which
+ * will behave as a CRLF).
+ */
+int term_data_untrusted(Terminal *term, const char *data, int len)
+{
+ int i;
+ /* FIXME: more sophisticated checking? */
+ for (i = 0; i < len; i++) {
+ if (data[i] == '\n')
+ term_data(term, 1, "\r\n", 2);
+ else if (data[i] & 0x60)
+ term_data(term, 1, data + i, 1);
+ }
+ return 0; /* assumes that term_data() always returns 0 */
+}
+
void term_provide_logctx(Terminal *term, void *logctx)
{
term->logctx = logctx;
}
+
+void term_set_focus(Terminal *term, int has_focus)
+{
+ term->has_focus = has_focus;
+ term_schedule_cblink(term);
+}
+
+/*
+ * Provide "auto" settings for remote tty modes, suitable for an
+ * application with a terminal window.
+ */
+char *term_get_ttymode(Terminal *term, const char *mode)
+{
+ char *val = NULL;
+ if (strcmp(mode, "ERASE") == 0) {
+ val = term->bksp_is_delete ? "^?" : "^H";
+ }
+ /* FIXME: perhaps we should set ONLCR based on lfhascr as well? */
+ /* FIXME: or ECHO and friends based on local echo state? */
+ return dupstr(val);
+}
+
+struct term_userpass_state {
+ size_t curr_prompt;
+ int done_prompt; /* printed out prompt yet? */
+ size_t pos; /* cursor position */
+};
+
+/*
+ * Process some terminal data in the course of username/password
+ * input.
+ */
+int term_get_userpass_input(Terminal *term, prompts_t *p,
+ unsigned char *in, int inlen)
+{
+ struct term_userpass_state *s = (struct term_userpass_state *)p->data;
+ if (!s) {
+ /*
+ * First call. Set some stuff up.
+ */
+ p->data = s = snew(struct term_userpass_state);
+ s->curr_prompt = 0;
+ s->done_prompt = 0;
+ /* We only print the `name' caption if we have to... */
+ if (p->name_reqd && p->name) {
+ size_t l = strlen(p->name);
+ term_data_untrusted(term, p->name, l);
+ if (p->name[l-1] != '\n')
+ term_data_untrusted(term, "\n", 1);
+ }
+ /* ...but we always print any `instruction'. */
+ if (p->instruction) {
+ size_t l = strlen(p->instruction);
+ term_data_untrusted(term, p->instruction, l);
+ if (p->instruction[l-1] != '\n')
+ term_data_untrusted(term, "\n", 1);
+ }
+ /*
+ * Zero all the results, in case we abort half-way through.
+ */
+ {
+ int i;
+ for (i = 0; i < (int)p->n_prompts; i++)
+ prompt_set_result(p->prompts[i], "");
+ }
+ }
+
+ while (s->curr_prompt < p->n_prompts) {
+
+ prompt_t *pr = p->prompts[s->curr_prompt];
+ int finished_prompt = 0;
+
+ if (!s->done_prompt) {
+ term_data_untrusted(term, pr->prompt, strlen(pr->prompt));
+ s->done_prompt = 1;
+ s->pos = 0;
+ }
+
+ /* Breaking out here ensures that the prompt is printed even
+ * if we're now waiting for user data. */
+ if (!in || !inlen) break;
+
+ /* FIXME: should we be using local-line-editing code instead? */
+ while (!finished_prompt && inlen) {
+ char c = *in++;
+ inlen--;
+ switch (c) {
+ case 10:
+ case 13:
+ term_data(term, 0, "\r\n", 2);
+ prompt_ensure_result_size(pr, s->pos + 1);
+ pr->result[s->pos] = '\0';
+ /* go to next prompt, if any */
+ s->curr_prompt++;
+ s->done_prompt = 0;
+ finished_prompt = 1; /* break out */
+ break;
+ case 8:
+ case 127:
+ if (s->pos > 0) {
+ if (pr->echo)
+ term_data(term, 0, "\b \b", 3);
+ s->pos--;
+ }
+ break;
+ case 21:
+ case 27:
+ while (s->pos > 0) {
+ if (pr->echo)
+ term_data(term, 0, "\b \b", 3);
+ s->pos--;
+ }
+ break;
+ case 3:
+ case 4:
+ /* Immediate abort. */
+ term_data(term, 0, "\r\n", 2);
+ sfree(s);
+ p->data = NULL;
+ return 0; /* user abort */
+ default:
+ /*
+ * This simplistic check for printability is disabled
+ * when we're doing password input, because some people
+ * have control characters in their passwords.
+ */
+ if (!pr->echo || (c >= ' ' && c <= '~') ||
+ ((unsigned char) c >= 160)) {
+ prompt_ensure_result_size(pr, s->pos + 1);
+ pr->result[s->pos++] = c;
+ if (pr->echo)
+ term_data(term, 0, &c, 1);
+ }
+ break;
+ }
+ }
+
+ }
+
+ if (s->curr_prompt < p->n_prompts) {
+ return -1; /* more data required */
+ } else {
+ sfree(s);
+ p->data = NULL;
+ return +1; /* all done */
+ }
+}
projects / u / mdw / putty / blobdiff