-#include <windows.h>
-
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <time.h>
#include <assert.h>
#include "putty.h"
-#include "tree234.h"
-
-#define CL_ANSIMIN 0x0001 /* Codes in all ANSI like terminals. */
-#define CL_VT100 0x0002 /* VT100 */
-#define CL_VT100AVO 0x0004 /* VT100 +AVO; 132x24 (not 132x14) & attrs */
-#define CL_VT102 0x0008 /* VT102 */
-#define CL_VT220 0x0010 /* VT220 */
-#define CL_VT320 0x0020 /* VT320 */
-#define CL_VT420 0x0040 /* VT420 */
-#define CL_VT510 0x0080 /* VT510, NB VT510 includes ANSI */
-#define CL_VT340TEXT 0x0100 /* VT340 extensions that appear in the VT420 */
-#define CL_SCOANSI 0x1000 /* SCOANSI not in ANSIMIN. */
-#define CL_ANSI 0x2000 /* ANSI ECMA-48 not in the VT100..VT420 */
-#define CL_OTHER 0x4000 /* Others, Xterm, linux, putty, dunno, etc */
+#include "terminal.h"
+
+#define poslt(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x < (p2).x ) )
+#define posle(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x <= (p2).x ) )
+#define poseq(p1,p2) ( (p1).y == (p2).y && (p1).x == (p2).x )
+#define posdiff(p1,p2) ( ((p1).y - (p2).y) * (term->cols+1) + (p1).x - (p2).x )
+
+/* Product-order comparisons for rectangular block selection. */
+#define posPlt(p1,p2) ( (p1).y <= (p2).y && (p1).x < (p2).x )
+#define posPle(p1,p2) ( (p1).y <= (p2).y && (p1).x <= (p2).x )
+
+#define incpos(p) ( (p).x == term->cols ? ((p).x = 0, (p).y++, 1) : ((p).x++, 0) )
+#define decpos(p) ( (p).x == 0 ? ((p).x = term->cols, (p).y--, 1) : ((p).x--, 0) )
+
+#define VT52_PLUS
+
+#define CL_ANSIMIN 0x0001 /* Codes in all ANSI like terminals. */
+#define CL_VT100 0x0002 /* VT100 */
+#define CL_VT100AVO 0x0004 /* VT100 +AVO; 132x24 (not 132x14) & attrs */
+#define CL_VT102 0x0008 /* VT102 */
+#define CL_VT220 0x0010 /* VT220 */
+#define CL_VT320 0x0020 /* VT320 */
+#define CL_VT420 0x0040 /* VT420 */
+#define CL_VT510 0x0080 /* VT510, NB VT510 includes ANSI */
+#define CL_VT340TEXT 0x0100 /* VT340 extensions that appear in the VT420 */
+#define CL_SCOANSI 0x1000 /* SCOANSI not in ANSIMIN. */
+#define CL_ANSI 0x2000 /* ANSI ECMA-48 not in the VT100..VT420 */
+#define CL_OTHER 0x4000 /* Others, Xterm, linux, putty, dunno, etc */
#define TM_VT100 (CL_ANSIMIN|CL_VT100)
#define TM_VT100AVO (TM_VT100|CL_VT100AVO)
#define TM_PUTTY (0xFFFF)
#define compatibility(x) \
- if ( ((CL_##x)&compatibility_level) == 0 ) { \
- termstate=TOPLEVEL; \
+ if ( ((CL_##x)&term->compatibility_level) == 0 ) { \
+ term->termstate=TOPLEVEL; \
break; \
}
#define compatibility2(x,y) \
- if ( ((CL_##x|CL_##y)&compatibility_level) == 0 ) { \
- termstate=TOPLEVEL; \
+ if ( ((CL_##x|CL_##y)&term->compatibility_level) == 0 ) { \
+ term->termstate=TOPLEVEL; \
break; \
}
-#define has_compat(x) ( ((CL_##x)&compatibility_level) != 0 )
-
-static int compatibility_level = TM_PUTTY;
-
-static tree234 *scrollback; /* lines scrolled off top of screen */
-static tree234 *screen; /* lines on primary screen */
-static tree234 *alt_screen; /* lines on alternate screen */
-static int disptop; /* distance scrolled back (0 or -ve) */
-
-static unsigned long *cpos; /* cursor position (convenience) */
+#define has_compat(x) ( ((CL_##x)&term->compatibility_level) != 0 )
-static unsigned long *disptext; /* buffer of text on real screen */
-static unsigned long *wanttext; /* buffer of text we want on screen */
-
-#define VBELL_TIMEOUT 100 /* millisecond len of visual bell */
-
-struct beeptime {
- struct beeptime *next;
- long ticks;
-};
-static struct beeptime *beephead, *beeptail;
-int nbeeps;
-int beep_overloaded;
-long lastbeep;
-
-static unsigned char *selspace; /* buffer for building selections in */
-
-#define TSIZE (sizeof(unsigned long))
-#define fix_cpos do { cpos = lineptr(curs.y) + curs.x; } while(0)
-
-static unsigned long curr_attr, save_attr;
-static unsigned long erase_char = ERASE_CHAR;
-
-typedef struct {
- int y, x;
-} pos;
-#define poslt(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x < (p2).x ) )
-#define posle(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x <= (p2).x ) )
-#define poseq(p1,p2) ( (p1).y == (p2).y && (p1).x == (p2).x )
-#define posdiff(p1,p2) ( ((p2).y - (p1).y) * (cols+1) + (p2).x - (p1).x )
-#define incpos(p) ( (p).x == cols ? ((p).x = 0, (p).y++, 1) : ((p).x++, 0) )
-#define decpos(p) ( (p).x == 0 ? ((p).x = cols, (p).y--, 1) : ((p).x--, 0) )
-
-static pos curs; /* cursor */
-static pos savecurs; /* saved cursor position */
-static int marg_t, marg_b; /* scroll margins */
-static int dec_om; /* DEC origin mode flag */
-static int wrap, wrapnext; /* wrap flags */
-static int insert; /* insert-mode flag */
-static int cset; /* 0 or 1: which char set */
-static int save_cset, save_csattr; /* saved with cursor position */
-static int rvideo; /* global reverse video flag */
-static int rvbell_timeout; /* for ESC[?5hESC[?5l vbell */
-static int cursor_on; /* cursor enabled flag */
-static int reset_132; /* Flag ESC c resets to 80 cols */
-static int use_bce; /* Use Background coloured erase */
-static int blinker; /* When blinking is the cursor on ? */
-static int tblinker; /* When the blinking text is on */
-static int blink_is_real; /* Actually blink blinking text */
-static int term_echoing; /* Does terminal want local echo? */
-static int term_editing; /* Does terminal want local edit? */
-
-static unsigned long cset_attr[2];
+#define sel_nl_sz (sizeof(sel_nl)/sizeof(wchar_t))
+const wchar_t sel_nl[] = SEL_NL;
/*
- * Saved settings on the alternate screen.
+ * Fetch the character at a particular position in a line array,
+ * for purposes of `wordtype'. The reason this isn't just a simple
+ * array reference is that if the character we find is UCSWIDE,
+ * then we must look one space further to the left.
*/
-static int alt_x, alt_y, alt_om, alt_wrap, alt_wnext, alt_ins, alt_cset;
-static int alt_t, alt_b;
-static int alt_which;
-
-#define ARGS_MAX 32 /* max # of esc sequence arguments */
-#define ARG_DEFAULT 0 /* if an arg isn't specified */
-#define def(a,d) ( (a) == ARG_DEFAULT ? (d) : (a) )
-static int esc_args[ARGS_MAX];
-static int esc_nargs;
-static int esc_query;
-#define ANSI(x,y) ((x)+((y)<<8))
-#define ANSI_QUE(x) ANSI(x,TRUE)
-
-#define OSC_STR_MAX 2048
-static int osc_strlen;
-static char osc_string[OSC_STR_MAX+1];
-static int osc_w;
-
-static char id_string[1024] = "\033[?6c";
-
-static unsigned char *tabs;
-
-static enum {
- TOPLEVEL,
- SEEN_ESC,
- SEEN_CSI,
- SEEN_OSC,
- SEEN_OSC_W,
-
- DO_CTRLS,
-
- IGNORE_NEXT,
- SET_GL, SET_GR,
- SEEN_OSC_P,
- OSC_STRING, OSC_MAYBE_ST,
- SEEN_ESCHASH,
- VT52_ESC,
- VT52_Y1,
- VT52_Y2
-} termstate;
-
-static enum {
- NO_SELECTION, ABOUT_TO, DRAGGING, SELECTED
-} selstate;
-static enum {
- SM_CHAR, SM_WORD, SM_LINE
-} selmode;
-static pos selstart, selend, selanchor;
-
-static short wordness[256] = {
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 01 */
- 0,1,2,1,1,1,1,1,1,1,1,1,1,2,2,2, 2,2,2,2,2,2,2,2,2,2,1,1,1,1,1,1, /* 23 */
- 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,2, /* 45 */
- 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,1, /* 67 */
- 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 89 */
- 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* AB */
- 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2, /* CD */
- 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2, /* EF */
-};
-
-static unsigned char sel_nl[] = SEL_NL;
-static char * paste_buffer = 0;
-static int paste_len, paste_pos, paste_hold;
+#define UCSGET(a, x) \
+ ( (x)>0 && ((a)[(x)] & (CHAR_MASK | CSET_MASK)) == UCSWIDE ? \
+ (a)[(x)-1] : (a)[(x)] )
/*
* Internal prototypes.
*/
-static void do_paint (Context, int);
-static void erase_lots (int, int, int);
-static void swap_screen (int);
-static void update_sbar (void);
-static void deselect (void);
-/* log session to file stuff ... */
-static FILE *lgfp = NULL;
-static void logtraffic(unsigned char c, int logmode);
+static unsigned long *resizeline(unsigned long *, int);
+static unsigned long *lineptr(Terminal *, int, int);
+static void do_paint(Terminal *, Context, int);
+static void erase_lots(Terminal *, int, int, int);
+static void swap_screen(Terminal *, int, int, int);
+static void update_sbar(Terminal *);
+static void deselect(Terminal *);
+static void term_print_finish(Terminal *);
+#ifdef OPTIMISE_SCROLL
+static void scroll_display(Terminal *, int, int, int);
+#endif /* OPTIMISE_SCROLL */
+
+/*
+ * Resize a line to make it `cols' columns wide.
+ */
+static unsigned long *resizeline(unsigned long *line, int cols)
+{
+ int i, oldlen;
+ unsigned long lineattrs;
+
+ 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.
+ */
+ oldlen = line[0];
+ lineattrs = line[oldlen + 1];
+ line = srealloc(line, TSIZE * (2 + cols));
+ line[0] = cols;
+ for (i = oldlen; i < cols; i++)
+ line[i + 1] = ERASE_CHAR;
+ line[cols + 1] = lineattrs & LATTR_MODE;
+ }
+
+ return line;
+}
/*
* Retrieve a line of the screen or of the scrollback, according to
* whether the y coordinate is non-negative or negative
* (respectively).
*/
-unsigned long *lineptr(int y, int lineno) {
- unsigned long *line, lineattrs;
+static unsigned long *lineptr(Terminal *term, int y, int lineno)
+{
+ unsigned long *line, *newline;
tree234 *whichtree;
- int i, treeindex, oldlen;
+ int treeindex;
if (y >= 0) {
- whichtree = screen;
+ whichtree = term->screen;
treeindex = y;
} else {
- whichtree = scrollback;
- treeindex = y + count234(scrollback);
+ whichtree = term->scrollback;
+ treeindex = y + count234(term->scrollback);
}
line = index234(whichtree, treeindex);
/* We assume that we don't screw up and retrieve something out of range. */
-if (line == NULL) {
-debug(("line=%d y=%d treeindex=%d\n", lineno, y, treeindex));
-debug(("screen:%d scrollback:%d\n", count234(screen), count234(scrollback)));
assert(line != NULL);
-}
- if (line[0] != cols) {
- /*
- * This line is the wrong length, which probably means it
- * hasn't been accessed since a resize. Resize it now.
- */
- oldlen = line[0];
- lineattrs = line[oldlen+1];
+ newline = resizeline(line, term->cols);
+ if (newline != line) {
delpos234(whichtree, treeindex);
- line = srealloc(line, TSIZE * (2+cols));
- line[0] = cols;
- for (i = oldlen; i < cols; i++)
- line[i+1] = ERASE_CHAR;
- line[cols+1] = lineattrs & LATTR_MODE;
- addpos234(whichtree, line, treeindex);
+ addpos234(whichtree, newline, treeindex);
+ line = newline;
}
- return line+1;
+ return line + 1;
}
-#define lineptr(x) lineptr(x,__LINE__)
+
+#define lineptr(x) lineptr(term,x,__LINE__)
+
/*
* Set up power-on settings for the terminal.
*/
-static void power_on(void) {
- curs.x = curs.y = alt_x = alt_y = savecurs.x = savecurs.y = 0;
- alt_t = marg_t = 0;
- if (rows != -1)
- alt_b = marg_b = rows - 1;
+static void power_on(Terminal *term)
+{
+ term->curs.x = term->curs.y = 0;
+ term->alt_x = term->alt_y = 0;
+ term->savecurs.x = term->savecurs.y = 0;
+ term->alt_t = term->marg_t = 0;
+ if (term->rows != -1)
+ term->alt_b = term->marg_b = term->rows - 1;
else
- alt_b = marg_b = 0;
- if (cols != -1) {
+ term->alt_b = term->marg_b = 0;
+ if (term->cols != -1) {
int i;
- for (i = 0; i < cols; i++)
- tabs[i] = (i % 8 == 0 ? TRUE : FALSE);
+ for (i = 0; i < term->cols; i++)
+ term->tabs[i] = (i % 8 == 0 ? TRUE : FALSE);
}
- alt_om = dec_om = cfg.dec_om;
- alt_wnext = wrapnext = alt_ins = insert = FALSE;
- alt_wrap = wrap = cfg.wrap_mode;
- alt_cset = cset = 0;
- cset_attr[0] = cset_attr[1] = ATTR_ASCII;
- rvideo = 0;
- in_vbell = FALSE;
- cursor_on = 1;
- save_attr = curr_attr = ATTR_DEFAULT;
- term_editing = term_echoing = FALSE;
- ldisc_send(NULL, 0); /* cause ldisc to notice changes */
- app_cursor_keys = cfg.app_cursor;
- app_keypad_keys = cfg.app_keypad;
- use_bce = cfg.bce;
- blink_is_real = cfg.blinktext;
- erase_char = ERASE_CHAR;
- alt_which = 0;
+ term->alt_om = term->dec_om = term->cfg.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->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->rvideo = 0;
+ term->in_vbell = FALSE;
+ term->cursor_on = 1;
+ term->big_cursor = 0;
+ term->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->alt_which = 0;
+ term_print_finish(term);
{
int i;
for (i = 0; i < 256; i++)
- wordness[i] = cfg.wordness[i];
+ term->wordness[i] = term->cfg.wordness[i];
}
- if (screen) {
- swap_screen (1);
- erase_lots (FALSE, TRUE, TRUE);
- swap_screen (0);
- erase_lots (FALSE, TRUE, TRUE);
+ 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);
}
}
/*
* Force a screen update.
*/
-void term_update(void) {
+void term_update(Terminal *term)
+{
Context ctx;
- ctx = get_ctx();
+ ctx = get_ctx(term->frontend);
if (ctx) {
- if ( (seen_key_event && (cfg.scroll_on_key)) ||
- (seen_disp_event && (cfg.scroll_on_disp)) ) {
- disptop = 0; /* return to main screen */
- seen_disp_event = seen_key_event = 0;
- update_sbar();
+ int need_sbar_update = term->seen_disp_event;
+ if (term->seen_disp_event && term->cfg.scroll_on_disp) {
+ term->disptop = 0; /* return to main screen */
+ term->seen_disp_event = 0;
+ need_sbar_update = TRUE;
}
- do_paint (ctx, TRUE);
- sys_cursor(curs.x, curs.y - disptop);
- free_ctx (ctx);
+ if (need_sbar_update)
+ update_sbar(term);
+ do_paint(term, ctx, TRUE);
+ sys_cursor(term->frontend, term->curs.x, term->curs.y - term->disptop);
+ free_ctx(ctx);
+ }
+}
+
+/*
+ * Called from front end when a keypress occurs, to trigger
+ * anything magical that needs to happen in that situation.
+ */
+void term_seen_key_event(Terminal *term)
+{
+ /*
+ * On any keypress, clear the bell overload mechanism
+ * completely, on the grounds that large numbers of
+ * beeps coming from deliberate key action are likely
+ * to be intended (e.g. beeps from filename completion
+ * blocking repeatedly).
+ */
+ term->beep_overloaded = FALSE;
+ while (term->beephead) {
+ struct beeptime *tmp = term->beephead;
+ term->beephead = tmp->next;
+ sfree(tmp);
+ }
+ term->beeptail = NULL;
+ term->nbeeps = 0;
+
+ /*
+ * Reset the scrollback on keypress, if we're doing that.
+ */
+ if (term->cfg.scroll_on_key) {
+ term->disptop = 0; /* return to main screen */
+ term->seen_disp_event = 1;
}
}
/*
* Same as power_on(), but an external function.
*/
-void term_pwron(void) {
- power_on();
+void term_pwron(Terminal *term)
+{
+ power_on(term);
+ if (term->ldisc) /* cause ldisc to notice changes */
+ ldisc_send(term->ldisc, NULL, 0, 0);
fix_cpos;
- disptop = 0;
- deselect();
- term_update();
+ term->disptop = 0;
+ deselect(term);
+ term_update(term);
+}
+
+/*
+ * 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)
+{
+ /*
+ * Before adopting the new config, check all those terminal
+ * settings which control power-on defaults; and if they've
+ * changed, we will modify the current state as well as the
+ * 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 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_charclass = 0;
+ for (i = 0; i < lenof(term->cfg.wordness); i++)
+ if (term->cfg.wordness[i] != cfg->wordness[i])
+ reset_charclass = 1;
+
+ term->cfg = *cfg; /* STRUCTURE COPY */
+
+ if (reset_wrap)
+ term->alt_wrap = term->wrap = term->cfg.wrap_mode;
+ if (reset_decom)
+ term->alt_om = term->dec_om = term->cfg.dec_om;
+ if (reset_bce)
+ term->use_bce = term->cfg.bce;
+ 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];
+
+ if (term->cfg.no_alt_screen)
+ swap_screen(term, 0, FALSE, FALSE);
+ if (term->cfg.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;
+ term->sco_acs = term->alt_sco_acs = 0;
+ term->utf = 0;
+ }
+ if (!*term->cfg.printer) {
+ term_print_finish(term);
+ }
}
/*
* Clear the scrollback.
*/
-void term_clrsb(void) {
+void term_clrsb(Terminal *term)
+{
unsigned long *line;
- disptop = 0;
- while ((line = delpos234(scrollback, 0)) != NULL) {
+ term->disptop = 0;
+ while ((line = delpos234(term->scrollback, 0)) != NULL) {
sfree(line);
}
- update_sbar();
+ update_sbar(term);
}
/*
* Initialise the terminal.
*/
-void term_init(void) {
- screen = alt_screen = scrollback = NULL;
- disptop = 0;
- disptext = wanttext = NULL;
- tabs = NULL;
- selspace = NULL;
- deselect();
- rows = cols = -1;
- power_on();
- beephead = beeptail = NULL;
- nbeeps = 0;
- lastbeep = FALSE;
- beep_overloaded = FALSE;
+Terminal *term_init(Config *mycfg, struct unicode_data *ucsdata,
+ void *frontend)
+{
+ Terminal *term;
+
+ /*
+ * Allocate a new Terminal structure and initialise the fields
+ * that need it.
+ */
+ term = smalloc(sizeof(Terminal));
+ term->frontend = frontend;
+ term->ucsdata = ucsdata;
+ term->cfg = *mycfg; /* STRUCTURE COPY */
+ term->logctx = NULL;
+ term->compatibility_level = TM_PUTTY;
+ strcpy(term->id_string, "\033[?6c");
+ term->last_blink = term->last_tblink = 0;
+ term->paste_buffer = NULL;
+ term->paste_len = 0;
+ term->last_paste = 0;
+ bufchain_init(&term->inbuf);
+ bufchain_init(&term->printer_buf);
+ term->printing = term->only_printing = FALSE;
+ term->print_job = NULL;
+ term->vt52_mode = FALSE;
+ term->cr_lf_return = FALSE;
+ term->seen_disp_event = FALSE;
+ term->xterm_mouse = term->mouse_is_down = FALSE;
+ term->reset_132 = FALSE;
+ term->blinker = term->tblinker = 0;
+ term->has_focus = 1;
+ term->repeat_off = FALSE;
+ term->termstate = TOPLEVEL;
+ term->selstate = NO_SELECTION;
+ term->curstype = 0;
+
+ term->screen = term->alt_screen = term->scrollback = NULL;
+ term->disptop = 0;
+ term->disptext = term->dispcurs = NULL;
+ term->tabs = NULL;
+ deselect(term);
+ term->rows = term->cols = -1;
+ power_on(term);
+ term->beephead = term->beeptail = NULL;
+ term->nbeeps = 0;
+ term->lastbeep = FALSE;
+ term->beep_overloaded = FALSE;
+ term->attr_mask = 0xffffffff;
+ term->resize_fn = NULL;
+ term->resize_ctx = NULL;
+
+ return term;
+}
+
+void term_free(Terminal *term)
+{
+ unsigned long *line;
+ struct beeptime *beep;
+
+ while ((line = delpos234(term->scrollback, 0)) != NULL)
+ sfree(line);
+ freetree234(term->scrollback);
+ while ((line = delpos234(term->screen, 0)) != NULL)
+ sfree(line);
+ freetree234(term->screen);
+ while ((line = delpos234(term->alt_screen, 0)) != NULL)
+ sfree(line);
+ freetree234(term->alt_screen);
+ sfree(term->disptext);
+ while (term->beephead) {
+ beep = term->beephead;
+ term->beephead = beep->next;
+ sfree(beep);
+ }
+ bufchain_clear(&term->inbuf);
+ if(term->print_job)
+ printer_finish_job(term->print_job);
+ bufchain_clear(&term->printer_buf);
+ sfree(term->paste_buffer);
+ sfree(term);
}
/*
* Set up the terminal for a given size.
*/
-void term_size(int newrows, int newcols, int newsavelines) {
- tree234 *newsb, *newscreen, *newalt;
- unsigned long *newdisp, *newwant, *oldline, *line;
- int i, j, ccols;
+void term_size(Terminal *term, int newrows, int newcols, int newsavelines)
+{
+ tree234 *newalt;
+ unsigned long *newdisp, *line;
+ int i, j;
int sblen;
- int save_alt_which = alt_which;
+ int save_alt_which = term->alt_which;
- if (newrows == rows && newcols == cols && newsavelines == savelines)
+ if (newrows == term->rows && newcols == term->cols &&
+ newsavelines == term->savelines)
return; /* nothing to do */
- deselect();
- swap_screen(0);
+ deselect(term);
+ swap_screen(term, 0, FALSE, FALSE);
- alt_t = marg_t = 0;
- alt_b = marg_b = newrows - 1;
+ term->alt_t = term->marg_t = 0;
+ term->alt_b = term->marg_b = newrows - 1;
- if (rows == -1) {
- scrollback = newtree234(NULL);
- screen = newtree234(NULL);
- rows = 0;
+ if (term->rows == -1) {
+ term->scrollback = newtree234(NULL);
+ term->screen = newtree234(NULL);
+ term->rows = 0;
}
/*
* amount of scrollback we actually have, we must throw some
* away.
*/
- sblen = count234(scrollback);
- debug(("resizing rows=%d sblen=%d newrows=%d newsb=%d\n",
- rows, sblen, newrows, newsavelines));
- if (newrows > rows) {
- for (i = rows; i < newrows; i++) {
- if (sblen > 0) {
- line = delpos234(scrollback, --sblen);
- } else {
- line = smalloc(TSIZE * (newcols+2));
- line[0] = newcols;
- for (j = 0; j <= newcols; j++)
- line[j+1] = ERASE_CHAR;
- }
- addpos234(screen, line, 0);
- }
- } else if (newrows < rows) {
- for (i = newrows; i < rows; i++) {
- line = delpos234(screen, 0);
- addpos234(scrollback, line, sblen++);
+ sblen = count234(term->scrollback);
+ /* Do this loop to expand the screen if newrows > rows */
+ for (i = term->rows; i < newrows; i++) {
+ if (sblen > 0) {
+ line = delpos234(term->scrollback, --sblen);
+ } else {
+ line = smalloc(TSIZE * (newcols + 2));
+ line[0] = newcols;
+ for (j = 0; j <= newcols; j++)
+ line[j + 1] = ERASE_CHAR;
}
+ addpos234(term->screen, line, 0);
}
- assert(count234(screen) == newrows);
+ /* Do this loop to shrink the screen if newrows < rows */
+ for (i = newrows; i < term->rows; i++) {
+ line = delpos234(term->screen, 0);
+ addpos234(term->scrollback, line, sblen++);
+ }
+ assert(count234(term->screen) == newrows);
while (sblen > newsavelines) {
- line = delpos234(scrollback, 0);
+ line = delpos234(term->scrollback, 0);
sfree(line);
sblen--;
}
- assert(count234(scrollback) <= newsavelines);
- debug(("screen:%d scrollback:%d\n", count234(screen), count234(scrollback)));
- disptop = 0;
+ assert(count234(term->scrollback) <= newsavelines);
+ term->disptop = 0;
- newdisp = smalloc (newrows*(newcols+1)*TSIZE);
- for (i=0; i<newrows*(newcols+1); i++)
+ newdisp = smalloc(newrows * (newcols + 1) * TSIZE);
+ for (i = 0; i < newrows * (newcols + 1); i++)
newdisp[i] = ATTR_INVALID;
- sfree (disptext);
- disptext = newdisp;
-
- newwant = smalloc (newrows*(newcols+1)*TSIZE);
- for (i=0; i<newrows*(newcols+1); i++)
- newwant[i] = ATTR_INVALID;
- sfree (wanttext);
- wanttext = newwant;
+ sfree(term->disptext);
+ term->disptext = newdisp;
+ term->dispcurs = NULL;
newalt = newtree234(NULL);
- for (i=0; i<newrows; i++) {
- line = smalloc(TSIZE * (newcols+2));
+ for (i = 0; i < newrows; i++) {
+ line = smalloc(TSIZE * (newcols + 2));
line[0] = newcols;
for (j = 0; j <= newcols; j++)
- line[j+1] = erase_char;
+ line[j + 1] = term->erase_char;
addpos234(newalt, line, i);
}
- if (alt_screen) {
- while (NULL != (line = delpos234(alt_screen, 0)))
+ if (term->alt_screen) {
+ while (NULL != (line = delpos234(term->alt_screen, 0)))
sfree(line);
- freetree234(alt_screen);
+ freetree234(term->alt_screen);
}
- alt_screen = newalt;
+ term->alt_screen = newalt;
- sfree (selspace);
- selspace = smalloc ( (newrows+newsavelines) * (newcols+sizeof(sel_nl)) );
-
- tabs = srealloc (tabs, newcols*sizeof(*tabs));
+ term->tabs = srealloc(term->tabs, newcols * sizeof(*term->tabs));
{
int i;
- for (i = (cols > 0 ? cols : 0); i < newcols; i++)
- tabs[i] = (i % 8 == 0 ? TRUE : FALSE);
+ for (i = (term->cols > 0 ? term->cols : 0); i < newcols; i++)
+ term->tabs[i] = (i % 8 == 0 ? TRUE : FALSE);
}
- if (rows > 0)
- curs.y += newrows - rows;
- if (curs.y < 0)
- curs.y = 0;
- if (curs.y >= newrows)
- curs.y = newrows-1;
- if (curs.x >= newcols)
- curs.x = newcols-1;
- alt_x = alt_y = 0;
- wrapnext = alt_wnext = FALSE;
-
- rows = newrows;
- cols = newcols;
- savelines = newsavelines;
+ if (term->rows > 0)
+ term->curs.y += newrows - term->rows;
+ 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;
+ 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(save_alt_which);
+ swap_screen(term, save_alt_which, FALSE, FALSE);
+
+ update_sbar(term);
+ term_update(term);
+ if (term->resize_fn)
+ term->resize_fn(term->resize_ctx, term->cols, term->rows);
+}
- update_sbar();
- term_update();
+/*
+ * Hand a function and context pointer to the terminal which it can
+ * use to notify a back end of resizes.
+ */
+void term_provide_resize_fn(Terminal *term,
+ void (*resize_fn)(void *, int, int),
+ void *resize_ctx)
+{
+ term->resize_fn = resize_fn;
+ term->resize_ctx = resize_ctx;
+ if (term->cols > 0 && term->rows > 0)
+ resize_fn(resize_ctx, term->cols, term->rows);
}
/*
- * Swap screens.
+ * Swap screens. If `reset' is TRUE and we have been asked to
+ * switch to the alternate screen, we must bring most of its
+ * configuration from the main screen and erase the contents of the
+ * alternate screen completely. (This is even true if we're already
+ * on it! Blame xterm.)
*/
-static void swap_screen (int which) {
+static void swap_screen(Terminal *term, int which, int reset, int keep_cur_pos)
+{
int t;
tree234 *ttr;
- if (which == alt_which)
- return;
-
- alt_which = which;
+ if (!which)
+ reset = FALSE; /* do no weird resetting if which==0 */
+
+ if (which != term->alt_which) {
+ term->alt_which = which;
+
+ ttr = term->alt_screen;
+ term->alt_screen = term->screen;
+ term->screen = ttr;
+ t = term->curs.x;
+ if (!reset && !keep_cur_pos)
+ term->curs.x = term->alt_x;
+ term->alt_x = t;
+ t = term->curs.y;
+ if (!reset && !keep_cur_pos)
+ term->curs.y = term->alt_y;
+ term->alt_y = t;
+ t = term->marg_t;
+ if (!reset) term->marg_t = term->alt_t;
+ term->alt_t = t;
+ t = term->marg_b;
+ if (!reset) term->marg_b = term->alt_b;
+ term->alt_b = t;
+ t = term->dec_om;
+ if (!reset) term->dec_om = term->alt_om;
+ term->alt_om = t;
+ t = term->wrap;
+ if (!reset) term->wrap = term->alt_wrap;
+ term->alt_wrap = t;
+ t = term->wrapnext;
+ if (!reset) term->wrapnext = term->alt_wnext;
+ term->alt_wnext = t;
+ t = term->insert;
+ if (!reset) term->insert = term->alt_ins;
+ term->alt_ins = t;
+ t = term->cset;
+ if (!reset) term->cset = term->alt_cset;
+ term->alt_cset = t;
+ t = term->utf;
+ if (!reset) term->utf = term->alt_utf;
+ term->alt_utf = t;
+ t = term->sco_acs;
+ if (!reset) term->sco_acs = term->alt_sco_acs;
+ term->alt_sco_acs = t;
+ }
- ttr = alt_screen; alt_screen = screen; screen = ttr;
- t = curs.x; curs.x = alt_x; alt_x = t;
- t = curs.y; curs.y = alt_y; alt_y = t;
- t = marg_t; marg_t = alt_t; alt_t = t;
- t = marg_b; marg_b = alt_b; alt_b = t;
- t = dec_om; dec_om = alt_om; alt_om = t;
- t = wrap; wrap = alt_wrap; alt_wrap = t;
- t = wrapnext; wrapnext = alt_wnext; alt_wnext = t;
- t = insert; insert = alt_ins; alt_ins = t;
- t = cset; cset = alt_cset; alt_cset = t;
+ if (reset && term->screen) {
+ /*
+ * Yes, this _is_ supposed to honour background-colour-erase.
+ */
+ erase_lots(term, FALSE, TRUE, TRUE);
+ }
- fix_cpos;
+ /*
+ * This might not be possible if we're called during
+ * initialisation.
+ */
+ if (term->screen)
+ fix_cpos;
}
/*
* Update the scroll bar.
*/
-static void update_sbar(void) {
+static void update_sbar(Terminal *term)
+{
int nscroll;
- nscroll = count234(scrollback);
+ nscroll = count234(term->scrollback);
- set_sbar (nscroll + rows, nscroll + disptop, rows);
+ set_sbar(term->frontend, nscroll + term->rows,
+ nscroll + term->disptop, term->rows);
}
/*
* Check whether the region bounded by the two pointers intersects
* the scroll region, and de-select the on-screen selection if so.
*/
-static void check_selection (pos from, pos to) {
- if (poslt(from, selend) && poslt(selstart, to))
- deselect();
+static void check_selection(Terminal *term, pos from, pos to)
+{
+ if (poslt(from, term->selend) && poslt(term->selstart, to))
+ deselect(term);
}
/*
* after calling scroll() and before doing anything else that
* uses the cpos shortcut pointer.
*/
-static void scroll (int topline, int botline, int lines, int sb) {
+static void scroll(Terminal *term, int topline, int botline, int lines, int sb)
+{
unsigned long *line, *line2;
- int i;
+ int i, seltop, olddisptop, shift;
- if (topline != 0 || alt_which != 0)
+ if (topline != 0 || term->alt_which != 0)
sb = FALSE;
+ olddisptop = term->disptop;
+ shift = lines;
if (lines < 0) {
while (lines < 0) {
- line = delpos234(screen, botline);
- for (i = 0; i < cols; i++)
- line[i+1] = erase_char;
- line[cols+1] = 0;
- addpos234(screen, line, topline);
-
- if (selstart.y >= topline && selstart.y <= botline) {
- selstart.y++;
- if (selstart.y > botline) {
- selstart.y = botline;
- selstart.x = 0;
+ line = delpos234(term->screen, botline);
+ line = resizeline(line, term->cols);
+ for (i = 0; i < term->cols; i++)
+ line[i + 1] = term->erase_char;
+ line[term->cols + 1] = 0;
+ addpos234(term->screen, line, topline);
+
+ if (term->selstart.y >= topline && term->selstart.y <= botline) {
+ term->selstart.y++;
+ if (term->selstart.y > botline) {
+ term->selstart.y = botline;
+ term->selstart.x = 0;
}
}
- if (selend.y >= topline && selend.y <= botline) {
- selend.y++;
- if (selend.y > botline) {
- selend.y = botline;
- selend.x = 0;
+ if (term->selend.y >= topline && term->selend.y <= botline) {
+ term->selend.y++;
+ if (term->selend.y > botline) {
+ term->selend.y = botline;
+ term->selend.x = 0;
}
}
}
} else {
while (lines > 0) {
- line = delpos234(screen, topline);
- if (sb && savelines > 0) {
- int sblen = count234(scrollback);
+ line = delpos234(term->screen, topline);
+ 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.
*/
- if (sblen == savelines) {
- sblen--, line2 = delpos234(scrollback, 0);
+ if (sblen == term->savelines) {
+ sblen--, line2 = delpos234(term->scrollback, 0);
} else {
- line2 = smalloc(TSIZE * (cols+2));
- line2[0] = cols;
+ line2 = smalloc(TSIZE * (term->cols + 2));
+ line2[0] = term->cols;
}
- addpos234(scrollback, line, sblen);
+ addpos234(term->scrollback, line, sblen);
line = line2;
+
+ /*
+ * If the user is currently looking at part of the
+ * scrollback, and they haven't enabled any options
+ * that are going to reset the scrollback as a
+ * result of this movement, then the chances are
+ * they'd like to keep looking at the same line. So
+ * we move their viewpoint at the same rate as the
+ * scroll, at least until their viewpoint hits the
+ * top end of the scrollback buffer, at which point
+ * we don't have the choice any more.
+ *
+ * Thanks to Jan Holmen Holsten for the idea and
+ * initial implementation.
+ */
+ if (term->disptop > -term->savelines && term->disptop < 0)
+ term->disptop--;
+ }
+ line = resizeline(line, term->cols);
+ for (i = 0; i < term->cols; i++)
+ line[i + 1] = term->erase_char;
+ line[term->cols + 1] = 0;
+ addpos234(term->screen, line, botline);
+
+ /*
+ * If the selection endpoints move into the scrollback,
+ * we keep them moving until they hit the top. However,
+ * of course, if the line _hasn't_ moved into the
+ * scrollback then we don't do this, and cut them off
+ * at the top of the scroll region.
+ *
+ * This applies to selstart and selend (for an existing
+ * selection), and also selanchor (for one being
+ * selected as we speak).
+ */
+ 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;
+ }
}
- for (i = 0; i < cols; i++)
- line[i+1] = erase_char;
- line[cols+1] = 0;
- addpos234(screen, line, botline);
-
- if (selstart.y >= topline && selstart.y <= botline) {
- selstart.y--;
- if (selstart.y < topline) {
- selstart.y = topline;
- 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 (selend.y >= topline && selend.y <= botline) {
- selend.y--;
- if (selend.y < topline) {
- selend.y = topline;
- 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;
}
}
lines--;
}
}
+#ifdef OPTIMISE_SCROLL
+ shift += term->disptop - olddisptop;
+ if (shift < term->rows && shift > -term->rows && shift != 0)
+ scroll_display(term, topline, botline, shift);
+#endif /* OPTIMISE_SCROLL */
+}
+
+#ifdef OPTIMISE_SCROLL
+/*
+ * Scroll the physical display, and our conception of it in disptext.
+ */
+static void scroll_display(Terminal *term, int topline, int botline, int lines)
+{
+ unsigned long *start, *end;
+ int distance, size, i;
+
+ 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;
+ 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 < distance; i++)
+ (start + size)[i] |= ATTR_INVALID;
+ } else {
+ memmove(start + distance, start, size * TSIZE);
+ if (term->dispcurs >= start && term->dispcurs <= start + size)
+ term->dispcurs += distance;
+ for (i = 0; i < distance; i++)
+ start[i] |= ATTR_INVALID;
+ }
+ do_scroll(term->frontend, topline, botline, lines);
}
+#endif /* OPTIMISE_SCROLL */
/*
* Move the cursor to a given position, clipping at boundaries. We
* not to, 1 to disallow _passing_ the margins, and 2 to disallow
* even _being_ outside the margins.
*/
-static void move (int x, int y, int marg_clip) {
+static void move(Terminal *term, int x, int y, int marg_clip)
+{
if (x < 0)
x = 0;
- if (x >= cols)
- x = cols-1;
+ if (x >= term->cols)
+ x = term->cols - 1;
if (marg_clip) {
- if ((curs.y >= marg_t || marg_clip == 2) && y < marg_t)
- y = marg_t;
- if ((curs.y <= marg_b || marg_clip == 2) && y > marg_b)
- y = marg_b;
+ if ((term->curs.y >= term->marg_t || marg_clip == 2) &&
+ y < term->marg_t)
+ y = term->marg_t;
+ if ((term->curs.y <= term->marg_b || marg_clip == 2) &&
+ y > term->marg_b)
+ y = term->marg_b;
}
if (y < 0)
y = 0;
- if (y >= rows)
- y = rows-1;
- curs.x = x;
- curs.y = y;
+ if (y >= term->rows)
+ y = term->rows - 1;
+ term->curs.x = x;
+ term->curs.y = y;
fix_cpos;
- wrapnext = FALSE;
+ term->wrapnext = FALSE;
}
/*
* Save or restore the cursor and SGR mode.
*/
-static void save_cursor(int save) {
+static void save_cursor(Terminal *term, int save)
+{
if (save) {
- savecurs = curs;
- save_attr = curr_attr;
- save_cset = cset;
- save_csattr = cset_attr[cset];
+ term->savecurs = term->curs;
+ term->save_attr = term->curr_attr;
+ term->save_cset = term->cset;
+ term->save_utf = term->utf;
+ term->save_wnext = term->wrapnext;
+ term->save_csattr = term->cset_attr[term->cset];
+ term->save_sco_acs = term->sco_acs;
} else {
- curs = savecurs;
+ term->curs = term->savecurs;
/* Make sure the window hasn't shrunk since the save */
- if (curs.x >= cols) curs.x = cols-1;
- if (curs.y >= rows) curs.y = rows-1;
-
- curr_attr = save_attr;
- cset = save_cset;
- cset_attr[cset] = save_csattr;
+ if (term->curs.x >= term->cols)
+ term->curs.x = term->cols - 1;
+ if (term->curs.y >= term->rows)
+ term->curs.y = term->rows - 1;
+
+ term->curr_attr = term->save_attr;
+ term->cset = term->save_cset;
+ term->utf = term->save_utf;
+ term->wrapnext = term->save_wnext;
+ /*
+ * wrapnext might reset to False if the x position is no
+ * longer at the rightmost edge.
+ */
+ if (term->wrapnext && term->curs.x < term->cols-1)
+ term->wrapnext = FALSE;
+ term->cset_attr[term->cset] = term->save_csattr;
+ term->sco_acs = term->save_sco_acs;
fix_cpos;
- if (use_bce) erase_char = (' ' |(curr_attr&(ATTR_FGMASK|ATTR_BGMASK)));
+ if (term->use_bce)
+ term->erase_char = (' ' | ATTR_ASCII |
+ (term->curr_attr &
+ (ATTR_FGMASK | ATTR_BGMASK)));
+ }
+}
+
+/*
+ * This function is called before doing _anything_ which affects
+ * only part of a line of text. It is used to mark the boundary
+ * between two character positions, and it indicates that some sort
+ * of effect is going to happen on only one side of that boundary.
+ *
+ * The effect of this function is to check whether a CJK
+ * double-width character is straddling the boundary, and to remove
+ * it and replace it with two spaces if so. (Of course, one or
+ * other of those spaces is then likely to be replaced with
+ * something else again, as a result of whatever happens next.)
+ *
+ * Also, if the boundary is at the right-hand _edge_ of the screen,
+ * it implies something deliberate is being done to the rightmost
+ * column position; hence we must clear LATTR_WRAPPED2.
+ *
+ * The input to the function is the coordinates of the _second_
+ * character of the pair.
+ */
+static void check_boundary(Terminal *term, int x, int y)
+{
+ unsigned long *ldata;
+
+ /* Validate input coordinates, just in case. */
+ if (x == 0 || x > term->cols)
+ return;
+
+ ldata = lineptr(y);
+ if (x == term->cols) {
+ ldata[x] &= ~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 | ' ';
+ }
}
}
* Erase a large portion of the screen: the whole screen, or the
* whole line, or parts thereof.
*/
-static void erase_lots (int line_only, int from_begin, int to_end) {
+static void erase_lots(Terminal *term,
+ int line_only, int from_begin, int to_end)
+{
pos start, end;
int erase_lattr;
unsigned long *ldata;
if (line_only) {
- start.y = curs.y;
+ start.y = term->curs.y;
start.x = 0;
- end.y = curs.y + 1;
+ end.y = term->curs.y + 1;
end.x = 0;
erase_lattr = FALSE;
} else {
start.y = 0;
start.x = 0;
- end.y = rows;
+ end.y = term->rows;
end.x = 0;
erase_lattr = TRUE;
}
if (!from_begin) {
- start = curs;
+ start = term->curs;
}
if (!to_end) {
- end = curs;
+ end = term->curs;
+ incpos(end);
}
- check_selection (start, end);
+ if (!from_begin || !to_end)
+ check_boundary(term, term->curs.x, term->curs.y);
+ check_selection(term, start, end);
/* Clear screen also forces a full window redraw, just in case. */
- if (start.y == 0 && start.x == 0 && end.y == rows)
- term_invalidate();
+ if (start.y == 0 && start.x == 0 && end.y == term->rows)
+ term_invalidate(term);
ldata = lineptr(start.y);
while (poslt(start, end)) {
- if (start.y == cols && !erase_lattr)
- ldata[start.x] &= ~ATTR_WRAPPED;
+ if (start.x == term->cols && !erase_lattr)
+ ldata[start.x] &= ~(LATTR_WRAPPED | LATTR_WRAPPED2);
else
- ldata[start.x] = erase_char;
- if (incpos(start) && start.y < rows)
+ ldata[start.x] = term->erase_char;
+ if (incpos(start) && start.y < term->rows)
ldata = lineptr(start.y);
}
}
* Insert or delete characters within the current line. n is +ve if
* insertion is desired, and -ve for deletion.
*/
-static void insch (int n) {
+static void insch(Terminal *term, int n)
+{
int dir = (n < 0 ? -1 : +1);
int m;
pos cursplus;
unsigned long *ldata;
n = (n < 0 ? -n : n);
- if (n > cols - curs.x)
- n = cols - curs.x;
- m = cols - curs.x - n;
- cursplus.y = curs.y;
- cursplus.x = curs.x + n;
- check_selection (curs, cursplus);
- ldata = lineptr(curs.y);
+ if (n > term->cols - term->curs.x)
+ n = term->cols - term->curs.x;
+ m = term->cols - term->curs.x - n;
+ cursplus.y = term->curs.y;
+ cursplus.x = term->curs.x + n;
+ check_selection(term, term->curs, cursplus);
+ 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);
if (dir < 0) {
- memmove (ldata + curs.x, ldata + curs.x + n, m*TSIZE);
+ memmove(ldata + term->curs.x, ldata + term->curs.x + n, m * TSIZE);
while (n--)
- ldata[curs.x + m++] = erase_char;
+ ldata[term->curs.x + m++] = term->erase_char;
} else {
- memmove (ldata + curs.x + n, ldata + curs.x, m*TSIZE);
+ memmove(ldata + term->curs.x + n, ldata + term->curs.x, m * TSIZE);
while (n--)
- ldata[curs.x + n] = erase_char;
+ ldata[term->curs.x + n] = term->erase_char;
}
}
* Toggle terminal mode `mode' to state `state'. (`query' indicates
* whether the mode is a DEC private one or a normal one.)
*/
-static void toggle_mode (int mode, int query, int state) {
- long ticks;
- if (query) switch (mode) {
- case 1: /* application cursor keys */
- app_cursor_keys = state;
- break;
- case 2: /* VT52 mode */
- vt52_mode = !state;
- break;
- case 3: /* 80/132 columns */
- deselect();
- request_resize (state ? 132 : 80, rows, 1);
- reset_132 = state;
- break;
- case 5: /* reverse video */
- /*
- * Toggle reverse video. If we receive an OFF within the
- * visual bell timeout period after an ON, we trigger an
- * effective visual bell, so that ESC[?5hESC[?5l will
- * always be an actually _visible_ visual bell.
- */
- ticks = GetTickCount();
- if (rvideo && !state && /* we're turning it off */
- ticks < rvbell_timeout) { /* and it's not long since it was turned on */
- in_vbell = TRUE; /* we may clear rvideo but we set in_vbell */
- if (vbell_timeout < rvbell_timeout) /* don't move vbell end forward */
- vbell_timeout = rvbell_timeout; /* vbell end is at least then */
- } else if (!rvideo && state) {
- /* This is an ON, so we notice the time and save it. */
- rvbell_timeout = ticks + VBELL_TIMEOUT;
+static void toggle_mode(Terminal *term, int mode, int query, int state)
+{
+ unsigned long ticks;
+
+ if (query)
+ switch (mode) {
+ case 1: /* application cursor keys */
+ term->app_cursor_keys = state;
+ break;
+ case 2: /* VT52 mode */
+ term->vt52_mode = !state;
+ if (term->vt52_mode) {
+ term->blink_is_real = FALSE;
+ term->vt52_bold = FALSE;
+ } else {
+ term->blink_is_real = term->cfg.blinktext;
+ }
+ break;
+ case 3: /* 80/132 columns */
+ deselect(term);
+ if (!term->cfg.no_remote_resize)
+ request_resize(term->frontend, state ? 132 : 80, term->rows);
+ term->reset_132 = state;
+ break;
+ case 5: /* reverse video */
+ /*
+ * Toggle reverse video. If we receive an OFF within the
+ * visual bell timeout period after an ON, we trigger an
+ * 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 */
+ } else if (!term->rvideo && state) {
+ /* This is an ON, so we notice the time and save it. */
+ term->rvbell_startpoint = ticks;
+ }
+ term->rvideo = state;
+ term->seen_disp_event = TRUE;
+ if (state)
+ term_update(term);
+ break;
+ case 6: /* DEC origin mode */
+ term->dec_om = state;
+ break;
+ case 7: /* auto wrap */
+ term->wrap = state;
+ break;
+ case 8: /* auto key repeat */
+ term->repeat_off = !state;
+ break;
+ case 10: /* set local edit mode */
+ term->term_editing = state;
+ if (term->ldisc) /* cause ldisc to notice changes */
+ ldisc_send(term->ldisc, NULL, 0, 0);
+ break;
+ case 25: /* enable/disable cursor */
+ compatibility2(OTHER, VT220);
+ term->cursor_on = state;
+ term->seen_disp_event = TRUE;
+ break;
+ case 47: /* alternate screen */
+ compatibility(OTHER);
+ deselect(term);
+ swap_screen(term, term->cfg.no_alt_screen ? 0 : state, FALSE, FALSE);
+ term->disptop = 0;
+ break;
+ case 1000: /* xterm mouse 1 */
+ term->xterm_mouse = state ? 1 : 0;
+ set_raw_mouse_mode(term->frontend, state);
+ break;
+ case 1002: /* xterm mouse 2 */
+ term->xterm_mouse = state ? 2 : 0;
+ set_raw_mouse_mode(term->frontend, state);
+ break;
+ case 1047: /* alternate screen */
+ compatibility(OTHER);
+ deselect(term);
+ swap_screen(term, term->cfg.no_alt_screen ? 0 : state, TRUE, TRUE);
+ term->disptop = 0;
+ break;
+ case 1048: /* save/restore cursor */
+ save_cursor(term, state);
+ if (!state) term->seen_disp_event = TRUE;
+ break;
+ case 1049: /* cursor & alternate screen */
+ if (state)
+ save_cursor(term, state);
+ if (!state) term->seen_disp_event = TRUE;
+ compatibility(OTHER);
+ deselect(term);
+ swap_screen(term, term->cfg.no_alt_screen ? 0 : state, TRUE, FALSE);
+ if (!state)
+ save_cursor(term, state);
+ term->disptop = 0;
+ break;
+ } else
+ switch (mode) {
+ case 4: /* set insert mode */
+ compatibility(VT102);
+ term->insert = state;
+ break;
+ case 12: /* set echo mode */
+ term->term_echoing = !state;
+ if (term->ldisc) /* cause ldisc to notice changes */
+ ldisc_send(term->ldisc, NULL, 0, 0);
+ break;
+ case 20: /* Return sends ... */
+ term->cr_lf_return = state;
+ break;
+ case 34: /* Make cursor BIG */
+ compatibility2(OTHER, VT220);
+ term->big_cursor = !state;
}
- rvideo = state;
- seen_disp_event = TRUE;
- if (state) term_update();
- break;
- case 6: /* DEC origin mode */
- dec_om = state;
- break;
- case 7: /* auto wrap */
- wrap = state;
- break;
- case 8: /* auto key repeat */
- repeat_off = !state;
- break;
- case 10: /* set local edit mode */
- term_editing = state;
- ldisc_send(NULL, 0); /* cause ldisc to notice changes */
- break;
- case 25: /* enable/disable cursor */
- compatibility2(OTHER,VT220);
- cursor_on = state;
- seen_disp_event = TRUE;
- break;
- case 47: /* alternate screen */
- compatibility(OTHER);
- deselect();
- swap_screen (state);
- disptop = 0;
- break;
- } else switch (mode) {
- case 4: /* set insert mode */
- compatibility(VT102);
- insert = state;
- break;
- case 12: /* set echo mode */
- term_echoing = !state;
- ldisc_send(NULL, 0); /* cause ldisc to notice changes */
- break;
- case 20: /* Return sends ... */
- cr_lf_return = state;
- break;
- }
}
/*
* Process an OSC sequence: set window title or icon name.
*/
-static void do_osc(void) {
- if (osc_w) {
- while (osc_strlen--)
- wordness[(unsigned char)osc_string[osc_strlen]] = esc_args[0];
+static void do_osc(Terminal *term)
+{
+ if (term->osc_w) {
+ while (term->osc_strlen--)
+ term->wordness[(unsigned char)
+ term->osc_string[term->osc_strlen]] = term->esc_args[0];
} else {
- osc_string[osc_strlen] = '\0';
- switch (esc_args[0]) {
+ term->osc_string[term->osc_strlen] = '\0';
+ switch (term->esc_args[0]) {
case 0:
case 1:
- set_icon (osc_string);
- if (esc_args[0] == 1)
+ if (!term->cfg.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:
- set_title (osc_string);
+ if (!term->cfg.no_remote_wintitle)
+ set_title(term->frontend, term->osc_string);
+ break;
+ }
+ }
+}
+
+/*
+ * ANSI printing routines.
+ */
+static void term_print_setup(Terminal *term)
+{
+ bufchain_clear(&term->printer_buf);
+ term->print_job = printer_start_job(term->cfg.printer);
+}
+static void term_print_flush(Terminal *term)
+{
+ void *data;
+ int len;
+ int size;
+ while ((size = bufchain_size(&term->printer_buf)) > 5) {
+ bufchain_prefix(&term->printer_buf, &data, &len);
+ if (len > size-5)
+ len = size-5;
+ printer_job_data(term->print_job, data, len);
+ bufchain_consume(&term->printer_buf, len);
+ }
+}
+static void term_print_finish(Terminal *term)
+{
+ void *data;
+ int len, size;
+ char c;
+
+ if (!term->printing && !term->only_printing)
+ return; /* we need do nothing */
+
+ term_print_flush(term);
+ while ((size = bufchain_size(&term->printer_buf)) > 0) {
+ bufchain_prefix(&term->printer_buf, &data, &len);
+ c = *(char *)data;
+ if (c == '\033' || c == '\233') {
+ bufchain_consume(&term->printer_buf, size);
break;
+ } else {
+ printer_job_data(term->print_job, &c, 1);
+ bufchain_consume(&term->printer_buf, 1);
}
}
+ printer_finish_job(term->print_job);
+ term->print_job = NULL;
+ term->printing = term->only_printing = FALSE;
}
/*
* in-memory display. There's a big state machine in here to
* process escape sequences...
*/
-void term_out(void) {
- int c, inbuf_reap;
-
- for(inbuf_reap = 0; inbuf_reap < inbuf_head; inbuf_reap++)
- {
- c = inbuf[inbuf_reap];
+void term_out(Terminal *term)
+{
+ int c, unget;
+ unsigned char localbuf[256], *chars;
+ int nchars = 0;
+
+ unget = -1;
+
+ chars = NULL; /* placate compiler warnings */
+ while (nchars > 0 || bufchain_size(&term->inbuf) > 0) {
+ if (unget == -1) {
+ if (nchars == 0) {
+ void *ret;
+ bufchain_prefix(&term->inbuf, &ret, &nchars);
+ if (nchars > sizeof(localbuf))
+ nchars = sizeof(localbuf);
+ memcpy(localbuf, ret, nchars);
+ bufchain_consume(&term->inbuf, nchars);
+ chars = localbuf;
+ assert(chars != NULL);
+ }
+ c = *chars++;
+ nchars--;
- /*
- * Optionally log the session traffic to a file. Useful for
- * debugging and possibly also useful for actual logging.
- */
- logtraffic((unsigned char)c, LGTYP_DEBUG);
+ /*
+ * 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)
+ logtraffic(term->logctx, (unsigned char) c, LGTYP_DEBUG);
+ } else {
+ c = unget;
+ unget = -1;
+ }
/* Note only VT220+ are 8-bit VT102 is seven bit, it shouldn't even
* be able to display 8-bit characters, but I'll let that go 'cause
* of i18n.
*/
- if( ( (c&0x60) == 0 || c == '\177') &&
- termstate < DO_CTRLS &&
- ( (c&0x80) == 0 || has_compat(VT220))) {
+
+ /*
+ * If we're printing, add the character to the printer
+ * buffer.
+ */
+ if (term->printing) {
+ bufchain_add(&term->printer_buf, &c, 1);
+
+ /*
+ * If we're in print-only mode, we use a much simpler
+ * state machine designed only to recognise the ESC[4i
+ * termination sequence.
+ */
+ if (term->only_printing) {
+ if (c == '\033')
+ term->print_state = 1;
+ else if (c == (unsigned char)'\233')
+ term->print_state = 2;
+ else if (c == '[' && term->print_state == 1)
+ term->print_state = 2;
+ else if (c == '4' && term->print_state == 2)
+ term->print_state = 3;
+ else if (c == 'i' && term->print_state == 3)
+ term->print_state = 4;
+ else
+ term->print_state = 0;
+ if (term->print_state == 4) {
+ term_print_finish(term);
+ }
+ continue;
+ }
+ }
+
+ /* First see about all those translations. */
+ if (term->termstate == TOPLEVEL) {
+ if (in_utf(term))
+ switch (term->utf_state) {
+ case 0:
+ if (c < 0x80) {
+ /* 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;
+ break;
+ } else if ((c & 0xe0) == 0xc0) {
+ term->utf_size = term->utf_state = 1;
+ term->utf_char = (c & 0x1f);
+ } else if ((c & 0xf0) == 0xe0) {
+ term->utf_size = term->utf_state = 2;
+ term->utf_char = (c & 0x0f);
+ } else if ((c & 0xf8) == 0xf0) {
+ term->utf_size = term->utf_state = 3;
+ term->utf_char = (c & 0x07);
+ } else if ((c & 0xfc) == 0xf8) {
+ term->utf_size = term->utf_state = 4;
+ term->utf_char = (c & 0x03);
+ } else if ((c & 0xfe) == 0xfc) {
+ term->utf_size = term->utf_state = 5;
+ term->utf_char = (c & 0x01);
+ } else {
+ c = UCSERR;
+ break;
+ }
+ continue;
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ if ((c & 0xC0) != 0x80) {
+ unget = c;
+ c = UCSERR;
+ term->utf_state = 0;
+ break;
+ }
+ term->utf_char = (term->utf_char << 6) | (c & 0x3f);
+ if (--term->utf_state)
+ continue;
+
+ c = term->utf_char;
+
+ /* Is somebody trying to be evil! */
+ if (c < 0x80 ||
+ (c < 0x800 && term->utf_size >= 2) ||
+ (c < 0x10000 && term->utf_size >= 3) ||
+ (c < 0x200000 && term->utf_size >= 4) ||
+ (c < 0x4000000 && term->utf_size >= 5))
+ c = UCSERR;
+
+ /* Unicode line separator and paragraph separator are CR-LF */
+ if (c == 0x2028 || c == 0x2029)
+ c = 0x85;
+
+ /* High controls are probably a Baaad idea too. */
+ if (c < 0xA0)
+ c = 0xFFFD;
+
+ /* The UTF-16 surrogates are not nice either. */
+ /* The standard give the option of decoding these:
+ * I don't want to! */
+ if (c >= 0xD800 && c < 0xE000)
+ c = UCSERR;
+
+ /* ISO 10646 characters now limited to UTF-16 range. */
+ if (c > 0x10FFFF)
+ c = UCSERR;
+
+ /* This is currently a TagPhobic application.. */
+ if (c >= 0xE0000 && c <= 0xE007F)
+ continue;
+
+ /* U+FEFF is best seen as a null. */
+ if (c == 0xFEFF)
+ continue;
+ /* But U+FFFE is an error. */
+ 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. */
+ else if(term->sco_acs &&
+ (c!='\033' && c!='\012' && c!='\015' && c!='\b'))
+ {
+ if (term->sco_acs == 2) c |= 0x80;
+ c |= ATTR_SCOACS;
+ } else {
+ switch (term->cset_attr[term->cset]) {
+ /*
+ * Linedraw characters are different from 'ESC ( B'
+ * only for a small range. For ones outside that
+ * range, make sure we use the same font as well as
+ * the same encoding.
+ */
+ case ATTR_LINEDRW:
+ if (term->ucsdata->unitab_ctrl[c] != 0xFF)
+ c = term->ucsdata->unitab_ctrl[c];
+ else
+ c = ((unsigned char) c) | ATTR_LINEDRW;
+ break;
+
+ case ATTR_GBCHR:
+ /* If UK-ASCII, make the '#' a LineDraw Pound */
+ if (c == '#') {
+ c = '}' | ATTR_LINEDRW;
+ break;
+ }
+ /*FALLTHROUGH*/ case ATTR_ASCII:
+ if (term->ucsdata->unitab_ctrl[c] != 0xFF)
+ c = term->ucsdata->unitab_ctrl[c];
+ else
+ c = ((unsigned char) c) | ATTR_ASCII;
+ break;
+ case ATTR_SCOACS:
+ if (c>=' ') c = ((unsigned char)c) | ATTR_SCOACS;
+ break;
+ }
+ }
+ }
+
+ /* How about C1 controls ? */
+ 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);
+ }
+
+ /* Or the GL control. */
+ if (c == '\177' && term->termstate < DO_CTRLS && has_compat(OTHER)) {
+ 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);
+ } else
+ /* Or normal C0 controls. */
+ if ((c & -32) == 0 && term->termstate < DO_CTRLS) {
switch (c) {
case '\005': /* terminal type query */
/* Strictly speaking this is VT100 but a VT100 defaults to
*
* An xterm returns "xterm" (5 characters)
*/
- compatibility(ANSIMIN);
- {
+ compatibility(ANSIMIN);
+ if (term->ldisc) {
char abuf[256], *s, *d;
- int state=0;
- for(s=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++ = xlat_kbd2tty((unsigned char)*s);
+ 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;
}
- ldisc_send (abuf, d-abuf);
+ lpage_send(term->ldisc, DEFAULT_CODEPAGE,
+ abuf, d - abuf, 0);
}
break;
case '\007':
{
struct beeptime *newbeep;
- long ticks;
+ unsigned long ticks;
- ticks = GetTickCount();
+ ticks = GETTICKCOUNT();
- if (!beep_overloaded) {
+ if (!term->beep_overloaded) {
newbeep = smalloc(sizeof(struct beeptime));
newbeep->ticks = ticks;
newbeep->next = NULL;
- if (!beephead)
- beephead = newbeep;
+ if (!term->beephead)
+ term->beephead = newbeep;
else
- beeptail->next = newbeep;
- beeptail = newbeep;
- nbeeps++;
+ term->beeptail->next = newbeep;
+ term->beeptail = newbeep;
+ term->nbeeps++;
}
/*
* Throw out any beeps that happened more than
* t seconds ago.
*/
- while (beephead &&
- beephead->ticks < ticks - cfg.bellovl_t*1000) {
- struct beeptime *tmp = beephead;
- beephead = tmp->next;
+ while (term->beephead &&
+ term->beephead->ticks < ticks - term->cfg.bellovl_t) {
+ struct beeptime *tmp = term->beephead;
+ term->beephead = tmp->next;
sfree(tmp);
- if (!beephead)
- beeptail = NULL;
- nbeeps--;
+ if (!term->beephead)
+ term->beeptail = NULL;
+ term->nbeeps--;
}
- if (cfg.bellovl && beep_overloaded &&
- ticks-lastbeep >= cfg.bellovl_s * 1000) {
+ if (term->cfg.bellovl && term->beep_overloaded &&
+ ticks - term->lastbeep >= (unsigned)term->cfg.bellovl_s) {
/*
* If we're currently overloaded and the
* last beep was more than s seconds ago,
* leave overload mode.
*/
- beep_overloaded = FALSE;
- } else if (cfg.bellovl && !beep_overloaded &&
- nbeeps >= cfg.bellovl_n) {
+ term->beep_overloaded = FALSE;
+ } else if (term->cfg.bellovl && !term->beep_overloaded &&
+ term->nbeeps >= term->cfg.bellovl_n) {
/*
* Now, if we have n or more beeps
* remaining in the queue, go into overload
* mode.
*/
- beep_overloaded = TRUE;
+ term->beep_overloaded = TRUE;
}
- lastbeep = ticks;
+ term->lastbeep = ticks;
/*
* Perform an actual beep if we're not overloaded.
*/
- if ((!cfg.bellovl || !beep_overloaded) && cfg.beep != 0) {
- if (cfg.beep != 2)
- beep(cfg.beep);
- else if(cfg.beep == 2) {
- in_vbell = TRUE;
- vbell_timeout = ticks + VBELL_TIMEOUT;
- term_update();
+ 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);
}
}
- disptop = 0;
+ term->disptop = 0;
}
break;
case '\b':
- if (curs.x == 0 && curs.y == 0)
- ;
- else if (curs.x == 0 && curs.y > 0)
- curs.x = cols-1, curs.y--;
- else if (wrapnext)
- wrapnext = FALSE;
+ if (term->curs.x == 0 &&
+ (term->curs.y == 0 || term->wrap == 0))
+ /* do nothing */ ;
+ else if (term->curs.x == 0 && term->curs.y > 0)
+ term->curs.x = term->cols - 1, term->curs.y--;
+ else if (term->wrapnext)
+ term->wrapnext = FALSE;
else
- curs.x--;
+ term->curs.x--;
fix_cpos;
- seen_disp_event = TRUE;
+ term->seen_disp_event = TRUE;
break;
case '\016':
- compatibility(VT100);
- cset = 1;
+ compatibility(VT100);
+ term->cset = 1;
break;
case '\017':
- compatibility(VT100);
- cset = 0;
+ compatibility(VT100);
+ term->cset = 0;
break;
case '\033':
- if (vt52_mode)
- termstate = VT52_ESC;
+ if (term->vt52_mode)
+ term->termstate = VT52_ESC;
else {
compatibility(ANSIMIN);
- termstate = SEEN_ESC;
+ term->termstate = SEEN_ESC;
+ term->esc_query = FALSE;
}
break;
- case 0233:
- compatibility(VT220);
- termstate = SEEN_CSI;
- esc_nargs = 1;
- esc_args[0] = ARG_DEFAULT;
- esc_query = FALSE;
- break;
- case 0235:
- compatibility(VT220);
- termstate = SEEN_OSC;
- esc_args[0] = 0;
- break;
- case '\r':
- curs.x = 0;
- wrapnext = FALSE;
+ case '\015':
+ term->curs.x = 0;
+ term->wrapnext = FALSE;
fix_cpos;
- seen_disp_event = TRUE;
- paste_hold = 0;
- logtraffic((unsigned char)c,LGTYP_ASCII);
+ term->seen_disp_event = TRUE;
+ term->paste_hold = 0;
+ if (term->logctx)
+ logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII);
break;
- case '\013':
case '\014':
- compatibility(VT100);
- case '\n':
- if (curs.y == marg_b)
- scroll (marg_t, marg_b, 1, TRUE);
- else if (curs.y < rows-1)
- curs.y++;
- if (cfg.lfhascr)
- curs.x = 0;
+ if (has_compat(SCOANSI)) {
+ move(term, 0, 0, 0);
+ erase_lots(term, FALSE, FALSE, TRUE);
+ term->disptop = 0;
+ term->wrapnext = FALSE;
+ term->seen_disp_event = 1;
+ break;
+ }
+ case '\013':
+ compatibility(VT100);
+ case '\012':
+ 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->cfg.lfhascr)
+ term->curs.x = 0;
fix_cpos;
- wrapnext = FALSE;
- seen_disp_event = 1;
- paste_hold = 0;
- logtraffic((unsigned char)c,LGTYP_ASCII);
+ term->wrapnext = FALSE;
+ term->seen_disp_event = 1;
+ term->paste_hold = 0;
+ if (term->logctx)
+ logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII);
break;
case '\t':
{
- pos old_curs = curs;
- unsigned long *ldata = lineptr(curs.y);
+ pos old_curs = term->curs;
+ unsigned long *ldata = lineptr(term->curs.y);
do {
- curs.x++;
- } while (curs.x < cols-1 && !tabs[curs.x]);
-
- if ((ldata[cols] & LATTR_MODE) != LATTR_NORM)
- {
- if (curs.x >= cols/2)
- curs.x = cols/2-1;
- }
- else
- {
- if (curs.x >= cols)
- curs.x = cols-1;
+ term->curs.x++;
+ } while (term->curs.x < term->cols - 1 &&
+ !term->tabs[term->curs.x]);
+
+ if ((ldata[term->cols] & LATTR_MODE) != LATTR_NORM) {
+ if (term->curs.x >= term->cols / 2)
+ term->curs.x = term->cols / 2 - 1;
+ } else {
+ if (term->curs.x >= term->cols)
+ term->curs.x = term->cols - 1;
}
fix_cpos;
- check_selection (old_curs, curs);
+ check_selection(term, old_curs, term->curs);
}
- seen_disp_event = TRUE;
+ term->seen_disp_event = TRUE;
break;
- case '\177': /* Destructive backspace
- This does nothing on a real VT100 */
- compatibility(OTHER);
- if (curs.x && !wrapnext) curs.x--;
- wrapnext = FALSE;
- fix_cpos;
- *cpos = (' ' | curr_attr | ATTR_ASCII);
- break;
- }
- }
- else switch (termstate) {
- case TOPLEVEL:
- /* Only graphic characters get this far, ctrls are stripped above */
- if (wrapnext && wrap) {
- cpos[1] |= ATTR_WRAPPED;
- if (curs.y == marg_b)
- scroll (marg_t, marg_b, 1, TRUE);
- else if (curs.y < rows-1)
- curs.y++;
- curs.x = 0;
- fix_cpos;
- wrapnext = FALSE;
- }
- if (insert)
- insch (1);
- if (selstate != NO_SELECTION) {
- pos cursplus = curs;
- incpos(cursplus);
- check_selection (curs, cursplus);
}
- switch (cset_attr[cset]) {
- /*
- * Linedraw characters are different from 'ESC ( B'
- * only for a small range. For ones outside that
- * range, make sure we use the same font as well as
- * the same encoding.
- */
- case ATTR_LINEDRW:
- if (c<0x5f || c>0x7F)
- *cpos++ = xlat_tty2scr((unsigned char)c) | curr_attr |
- ATTR_ASCII;
- else if (c==0x5F)
- *cpos++ = ' ' | curr_attr | ATTR_ASCII;
- else
- *cpos++ = ((unsigned char)c) | curr_attr | ATTR_LINEDRW;
- break;
- case ATTR_GBCHR:
- /* If UK-ASCII, make the '#' a LineDraw Pound */
- if (c == '#') {
- *cpos++ = '}' | curr_attr | ATTR_LINEDRW;
- break;
+ } else
+ switch (term->termstate) {
+ 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;
}
- /*FALLTHROUGH*/
- default:
- *cpos = xlat_tty2scr((unsigned char)c) | curr_attr |
- (c <= 0x7F ? cset_attr[cset] : ATTR_ASCII);
- logtraffic((unsigned char)c, LGTYP_ASCII);
- cpos++;
- break;
- }
- curs.x++;
- if (curs.x == cols) {
- cpos--;
- curs.x--;
- wrapnext = TRUE;
- }
- seen_disp_event = 1;
- break;
-
- case IGNORE_NEXT:
- termstate = TOPLEVEL;
- break;
- case OSC_MAYBE_ST:
- /*
- * This state is virtually identical to SEEN_ESC, with the
- * exception that we have an OSC sequence in the pipeline,
- * and _if_ we see a backslash, we process it.
- */
- if (c == '\\') {
- do_osc();
- termstate = TOPLEVEL;
- break;
- }
- /* else fall through */
- case SEEN_ESC:
- termstate = TOPLEVEL;
- switch (c) {
- case ' ': /* some weird sequence? */
- compatibility(VT220);
- termstate = IGNORE_NEXT;
- break;
- case '[': /* enter CSI mode */
- termstate = SEEN_CSI;
- esc_nargs = 1;
- esc_args[0] = ARG_DEFAULT;
- esc_query = FALSE;
- break;
- case ']': /* xterm escape sequences */
- /* Compatibility is nasty here, xterm, linux, decterm yuk! */
- compatibility(OTHER);
- termstate = SEEN_OSC;
- esc_args[0] = 0;
- break;
- case '(': /* should set GL */
- compatibility(VT100);
- termstate = SET_GL;
- break;
- case ')': /* should set GR */
- compatibility(VT100);
- termstate = SET_GR;
- break;
- case '7': /* save cursor */
- compatibility(VT100);
- save_cursor (TRUE);
- break;
- case '8': /* restore cursor */
- compatibility(VT100);
- save_cursor (FALSE);
- seen_disp_event = TRUE;
- break;
- case '=':
- compatibility(VT100);
- app_keypad_keys = TRUE;
- break;
- case '>':
- compatibility(VT100);
- app_keypad_keys = FALSE;
- break;
- case 'D': /* exactly equivalent to LF */
- compatibility(VT100);
- if (curs.y == marg_b)
- scroll (marg_t, marg_b, 1, TRUE);
- else if (curs.y < rows-1)
- curs.y++;
- fix_cpos;
- wrapnext = FALSE;
- seen_disp_event = TRUE;
- break;
- case 'E': /* exactly equivalent to CR-LF */
- compatibility(VT100);
- curs.x = 0;
- if (curs.y == marg_b)
- scroll (marg_t, marg_b, 1, TRUE);
- else if (curs.y < rows-1)
- curs.y++;
- fix_cpos;
- wrapnext = FALSE;
- seen_disp_event = TRUE;
- break;
- case 'M': /* reverse index - backwards LF */
- compatibility(VT100);
- if (curs.y == marg_t)
- scroll (marg_t, marg_b, -1, TRUE);
- else if (curs.y > 0)
- curs.y--;
- fix_cpos;
- wrapnext = FALSE;
- seen_disp_event = TRUE;
- break;
- case 'Z': /* terminal type query */
- compatibility(VT100);
- ldisc_send (id_string, strlen(id_string));
- break;
- case 'c': /* restore power-on settings */
- compatibility(VT100);
- power_on();
- if (reset_132) {
- request_resize (80, rows, 1);
- reset_132 = 0;
+ if (term->insert)
+ insch(term, 1);
+ if (term->selstate != NO_SELECTION) {
+ pos cursplus = term->curs;
+ incpos(cursplus);
+ check_selection(term, term->curs, cursplus);
}
- fix_cpos;
- disptop = 0;
- seen_disp_event = TRUE;
- break;
- case '#': /* ESC # 8 fills screen with Es :-) */
- compatibility(VT100);
- termstate = SEEN_ESCHASH;
- break;
- case 'H': /* set a tab */
- compatibility(VT100);
- tabs[curs.x] = TRUE;
- break;
- }
- break;
- case SEEN_CSI:
- termstate = TOPLEVEL; /* default */
- if( isdigit(c) )
- {
- if (esc_nargs <= ARGS_MAX) {
- if (esc_args[esc_nargs-1] == ARG_DEFAULT)
- esc_args[esc_nargs-1] = 0;
- esc_args[esc_nargs-1] =
- 10 * esc_args[esc_nargs-1] + c - '0';
- }
- termstate = SEEN_CSI;
- }
- else if( c == ';' )
- {
- if (++esc_nargs <= ARGS_MAX)
- esc_args[esc_nargs-1] = ARG_DEFAULT;
- termstate = SEEN_CSI;
- }
- else if( c < '@' )
- {
- if( esc_query ) esc_query = -1;
- else if( c == '?' ) esc_query = TRUE;
- else esc_query = c;
- termstate = SEEN_CSI;
- }
- else switch (ANSI(c,esc_query)) {
- case 'A': /* move up N lines */
- move (curs.x, curs.y - def(esc_args[0], 1), 1);
- seen_disp_event = TRUE;
- break;
- case 'e': /* move down N lines */
- compatibility(ANSI);
- case 'B':
- move (curs.x, curs.y + def(esc_args[0], 1), 1);
- seen_disp_event = TRUE;
- break;
- case 'a': /* move right N cols */
- compatibility(ANSI);
- case 'C':
- move (curs.x + def(esc_args[0], 1), curs.y, 1);
- seen_disp_event = TRUE;
- break;
- case 'D': /* move left N cols */
- move (curs.x - def(esc_args[0], 1), curs.y, 1);
- seen_disp_event = TRUE;
- break;
- case 'E': /* move down N lines and CR */
- compatibility(ANSI);
- move (0, curs.y + def(esc_args[0], 1), 1);
- seen_disp_event = TRUE;
- break;
- case 'F': /* move up N lines and CR */
- compatibility(ANSI);
- move (0, curs.y - def(esc_args[0], 1), 1);
- seen_disp_event = TRUE;
- break;
- case 'G': case '`': /* set horizontal posn */
- compatibility(ANSI);
- move (def(esc_args[0], 1) - 1, curs.y, 0);
- seen_disp_event = TRUE;
- break;
- case 'd': /* set vertical posn */
- compatibility(ANSI);
- move (curs.x, (dec_om ? marg_t : 0) + def(esc_args[0], 1) - 1,
- (dec_om ? 2 : 0));
- seen_disp_event = TRUE;
- break;
- case 'H': case 'f': /* set horz and vert posns at once */
- if (esc_nargs < 2)
- esc_args[1] = ARG_DEFAULT;
- move (def(esc_args[1], 1) - 1,
- (dec_om ? marg_t : 0) + def(esc_args[0], 1) - 1,
- (dec_om ? 2 : 0));
- seen_disp_event = TRUE;
- break;
- case 'J': /* erase screen or parts of it */
+ if (((c & CSET_MASK) == ATTR_ASCII || (c & CSET_MASK) == 0) &&
+ term->logctx)
+ logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII);
{
- unsigned int i = def(esc_args[0], 0) + 1;
- if (i > 3)
- i = 0;
- erase_lots(FALSE, !!(i & 2), !!(i & 1));
- }
- disptop = 0;
- seen_disp_event = TRUE;
- break;
- case 'K': /* erase line or parts of it */
- {
- unsigned int i = def(esc_args[0], 0) + 1;
- if (i > 3)
- i = 0;
- erase_lots(TRUE, !!(i & 2), !!(i & 1));
- }
- seen_disp_event = TRUE;
- break;
- case 'L': /* insert lines */
- compatibility(VT102);
- if (curs.y <= marg_b)
- scroll (curs.y, marg_b, -def(esc_args[0], 1), FALSE);
- fix_cpos;
- seen_disp_event = TRUE;
- break;
- case 'M': /* delete lines */
- compatibility(VT102);
- if (curs.y <= marg_b)
- scroll (curs.y, marg_b, def(esc_args[0], 1), TRUE);
- fix_cpos;
- seen_disp_event = TRUE;
- break;
- case '@': /* insert chars */
- /* XXX VTTEST says this is vt220, vt510 manual says vt102 */
- compatibility(VT102);
- insch (def(esc_args[0], 1));
- seen_disp_event = TRUE;
- break;
- case 'P': /* delete chars */
- compatibility(VT102);
- insch (-def(esc_args[0], 1));
- seen_disp_event = TRUE;
- break;
- case 'c': /* terminal type query */
- compatibility(VT100);
- /* This is the response for a VT102 */
- ldisc_send (id_string, strlen(id_string));
- break;
- case 'n': /* cursor position query */
- if (esc_args[0] == 6) {
- char buf[32];
- sprintf (buf, "\033[%d;%dR", curs.y + 1, curs.x + 1);
- ldisc_send (buf, strlen(buf));
+ int width = 0;
+ if (DIRECT_CHAR(c))
+ width = 1;
+ if (!width)
+ width = wcwidth((wchar_t) c);
+ switch (width) {
+ case 2:
+ /*
+ * If we're about to display a double-width
+ * character starting in the rightmost
+ * column, then we do something special
+ * instead. We must print a space in the
+ * last column of the screen, then wrap;
+ * and we also set LATTR_WRAPPED2 which
+ * instructs subsequent cut-and-pasting not
+ * only to splice this line to the one
+ * after it, but to ignore the space in the
+ * last character position as well.
+ * (Because what was actually output to the
+ * terminal was presumably just a sequence
+ * of CJK characters, and we don't want a
+ * space to be pasted in the middle of
+ * those just because they had the
+ * misfortune to start in the wrong parity
+ * column. xterm concurs.)
+ */
+ 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;
+ 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;
+ /* 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;
+ term->curs.x++;
+ 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;
+ break;
+ default:
+ continue;
+ }
}
- else if (esc_args[0] == 5) {
- ldisc_send ("\033[0n", 4);
+ 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->seen_disp_event = 1;
break;
- case 'h': /* toggle modes to high */
- case ANSI_QUE('h'):
- compatibility(VT100);
- {
- int i;
- for (i=0; i<esc_nargs; i++)
- toggle_mode (esc_args[i], esc_query, TRUE);
+
+ case OSC_MAYBE_ST:
+ /*
+ * This state is virtually identical to SEEN_ESC, with the
+ * exception that we have an OSC sequence in the pipeline,
+ * and _if_ we see a backslash, we process it.
+ */
+ if (c == '\\') {
+ do_osc(term);
+ term->termstate = TOPLEVEL;
+ break;
}
- break;
- case 'l': /* toggle modes to low */
- case ANSI_QUE('l'):
- compatibility(VT100);
- {
- int i;
- for (i=0; i<esc_nargs; i++)
- toggle_mode (esc_args[i], esc_query, FALSE);
+ /* else fall through */
+ case SEEN_ESC:
+ if (c >= ' ' && c <= '/') {
+ if (term->esc_query)
+ term->esc_query = -1;
+ else
+ term->esc_query = c;
+ break;
}
- break;
- case 'g': /* clear tabs */
- compatibility(VT100);
- if (esc_nargs == 1) {
- if (esc_args[0] == 0) {
- tabs[curs.x] = FALSE;
- } else if (esc_args[0] == 3) {
- int i;
- for (i = 0; i < cols; i++)
- tabs[i] = FALSE;
+ term->termstate = TOPLEVEL;
+ switch (ANSI(c, term->esc_query)) {
+ case '[': /* enter CSI mode */
+ term->termstate = SEEN_CSI;
+ term->esc_nargs = 1;
+ term->esc_args[0] = ARG_DEFAULT;
+ term->esc_query = FALSE;
+ break;
+ case ']': /* xterm escape sequences */
+ /* Compatibility is nasty here, xterm, linux, decterm yuk! */
+ compatibility(OTHER);
+ term->termstate = SEEN_OSC;
+ term->esc_args[0] = 0;
+ break;
+ case '7': /* save cursor */
+ compatibility(VT100);
+ save_cursor(term, TRUE);
+ break;
+ case '8': /* restore cursor */
+ compatibility(VT100);
+ save_cursor(term, FALSE);
+ term->seen_disp_event = TRUE;
+ break;
+ case '=':
+ compatibility(VT100);
+ term->app_keypad_keys = TRUE;
+ break;
+ case '>':
+ compatibility(VT100);
+ term->app_keypad_keys = FALSE;
+ break;
+ case 'D': /* exactly equivalent to LF */
+ compatibility(VT100);
+ 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++;
+ fix_cpos;
+ term->wrapnext = FALSE;
+ term->seen_disp_event = TRUE;
+ break;
+ case 'E': /* exactly equivalent to CR-LF */
+ compatibility(VT100);
+ term->curs.x = 0;
+ 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++;
+ fix_cpos;
+ term->wrapnext = FALSE;
+ term->seen_disp_event = TRUE;
+ break;
+ case 'M': /* reverse index - backwards LF */
+ compatibility(VT100);
+ if (term->curs.y == term->marg_t)
+ 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;
+ break;
+ case 'Z': /* terminal type query */
+ compatibility(VT100);
+ if (term->ldisc)
+ ldisc_send(term->ldisc, term->id_string,
+ strlen(term->id_string), 0);
+ break;
+ case 'c': /* restore power-on settings */
+ compatibility(VT100);
+ power_on(term);
+ 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)
+ request_resize(term->frontend, 80, term->rows);
+ term->reset_132 = 0;
}
- }
- break;
- case 'r': /* set scroll margins */
- compatibility(VT100);
- if (esc_nargs <= 2) {
- int top, bot;
- top = def(esc_args[0], 1) - 1;
- bot = (esc_nargs <= 1 || esc_args[1] == 0 ? rows :
- def(esc_args[1], rows)) - 1;
- if (bot >= rows)
- bot = rows-1;
- /* VTTEST Bug 9 - if region is less than 2 lines
- * don't change region.
- */
- if (bot-top > 0) {
- marg_t = top;
- marg_b = bot;
- curs.x = 0;
- /*
- * I used to think the cursor should be
- * placed at the top of the newly marginned
- * area. Apparently not: VMS TPU falls over
- * if so.
- *
- * Well actually it should for Origin mode - RDB
- */
- curs.y = (dec_om ? marg_t : 0);
- fix_cpos;
- seen_disp_event = TRUE;
+ fix_cpos;
+ term->disptop = 0;
+ term->seen_disp_event = TRUE;
+ break;
+ case 'H': /* set a tab */
+ compatibility(VT100);
+ term->tabs[term->curs.x] = TRUE;
+ break;
+
+ case ANSI('8', '#'): /* ESC # 8 fills screen with Es :-) */
+ compatibility(VT100);
+ {
+ unsigned long *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;
+ }
+ term->disptop = 0;
+ term->seen_disp_event = TRUE;
+ scrtop.x = scrtop.y = 0;
+ scrbot.x = 0;
+ scrbot.y = term->rows;
+ check_selection(term, scrtop, scrbot);
}
- }
- break;
- case 'm': /* set graphics rendition */
- {
- /*
- * A VT100 without the AVO only had one attribute, either
- * underline or reverse video depending on the cursor type,
- * this was selected by CSI 7m.
- *
- * case 2:
- * This is DIM on the VT100-AVO and VT102
- * case 5:
- * This is BLINK on the VT100-AVO and VT102+
- * case 8:
- * This is INVIS on the VT100-AVO and VT102
- * case 21:
- * This like 22 disables BOLD, DIM and INVIS
- *
- * The ANSI colours appear on any terminal that has colour
- * (obviously) but the interaction between sgr0 and the
- * colours varies but is usually related to the background
- * colour erase item.
- * The interaction between colour attributes and the mono
- * ones is also very implementation dependent.
- *
- * The 39 and 49 attributes are likely to be unimplemented.
- */
- int i;
- for (i=0; i<esc_nargs; i++) {
- switch (def(esc_args[i], 0)) {
- case 0: /* restore defaults */
- curr_attr = ATTR_DEFAULT; break;
- case 1: /* enable bold */
- compatibility(VT100AVO);
- curr_attr |= ATTR_BOLD; break;
- case 21: /* (enable double underline) */
- compatibility(OTHER);
- case 4: /* enable underline */
- compatibility(VT100AVO);
- curr_attr |= ATTR_UNDER; break;
- case 5: /* enable blink */
- compatibility(VT100AVO);
- curr_attr |= ATTR_BLINK; break;
- case 7: /* enable reverse video */
- curr_attr |= ATTR_REVERSE; break;
- case 22: /* disable bold */
- compatibility2(OTHER,VT220);
- curr_attr &= ~ATTR_BOLD; break;
- case 24: /* disable underline */
- compatibility2(OTHER,VT220);
- curr_attr &= ~ATTR_UNDER; break;
- case 25: /* disable blink */
- compatibility2(OTHER,VT220);
- curr_attr &= ~ATTR_BLINK; break;
- case 27: /* disable reverse video */
- compatibility2(OTHER,VT220);
- curr_attr &= ~ATTR_REVERSE; break;
- case 30: case 31: case 32: case 33:
- case 34: case 35: case 36: case 37:
- /* foreground */
- curr_attr &= ~ATTR_FGMASK;
- curr_attr |= (esc_args[i] - 30) << ATTR_FGSHIFT;
+ break;
+
+ case ANSI('3', '#'):
+ case ANSI('4', '#'):
+ case ANSI('5', '#'):
+ case ANSI('6', '#'):
+ compatibility(VT100);
+ {
+ unsigned long nlattr;
+ unsigned long *ldata;
+ switch (ANSI(c, term->esc_query)) {
+ case ANSI('3', '#'):
+ nlattr = LATTR_TOP;
break;
- case 39: /* default-foreground */
- curr_attr &= ~ATTR_FGMASK;
- curr_attr |= ATTR_DEFFG;
+ case ANSI('4', '#'):
+ nlattr = LATTR_BOT;
break;
- case 40: case 41: case 42: case 43:
- case 44: case 45: case 46: case 47:
- /* background */
- curr_attr &= ~ATTR_BGMASK;
- curr_attr |= (esc_args[i] - 40) << ATTR_BGSHIFT;
+ case ANSI('5', '#'):
+ nlattr = LATTR_NORM;
break;
- case 49: /* default-background */
- curr_attr &= ~ATTR_BGMASK;
- curr_attr |= ATTR_DEFBG;
+ default: /* spiritually case ANSI('6', '#'): */
+ nlattr = LATTR_WIDE;
break;
}
+ ldata = lineptr(term->curs.y);
+ ldata[term->cols] &= ~LATTR_MODE;
+ ldata[term->cols] |= nlattr;
}
- if (use_bce)
- erase_char =
- (' '|
- (curr_attr&(ATTR_FGMASK|ATTR_BGMASK|ATTR_BLINK))
- );
- }
- break;
- case 's': /* save cursor */
- save_cursor (TRUE);
- break;
- case 'u': /* restore cursor */
- save_cursor (FALSE);
- seen_disp_event = TRUE;
- break;
- case 't': /* set page size - ie window height */
- /*
- * VT340/VT420 sequence DECSLPP, DEC only allows values
- * 24/25/36/48/72/144 other emulators (eg dtterm) use
- * illegal values (eg first arg 1..9) for window changing
- * and reports.
- */
- compatibility(VT340TEXT);
- if (esc_nargs<=1 && (esc_args[0]<1 || esc_args[0]>=24)) {
- request_resize (cols, def(esc_args[0], 24), 0);
- deselect();
- }
- break;
- case ANSI('|', '*'):
- /* VT420 sequence DECSNLS
- * Set number of lines on screen
- * VT420 uses VGA like hardware and can support any size in
- * reasonable range (24..49 AIUI) with no default specified.
- */
- compatibility(VT420);
- if (esc_nargs==1 && esc_args[0]>0) {
- request_resize (cols, def(esc_args[0], cfg.height), 0);
- deselect();
- }
- break;
- case ANSI('|', '$'):
- /* VT340/VT420 sequence DECSCPP
- * Set number of columns per page
- * Docs imply range is only 80 or 132, but I'll allow any.
- */
- compatibility(VT340TEXT);
- if (esc_nargs<=1) {
- request_resize (def(esc_args[0], cfg.width), rows, 0);
- deselect();
- }
- break;
- case 'X': /* write N spaces w/o moving cursor */
- /* XXX VTTEST says this is vt220, vt510 manual says vt100 */
- compatibility(ANSIMIN);
- {
- int n = def(esc_args[0], 1);
- pos cursplus;
- unsigned long *p = cpos;
- if (n > cols - curs.x)
- n = cols - curs.x;
- cursplus = curs;
- cursplus.x += n;
- check_selection (curs, cursplus);
- while (n--)
- *p++ = erase_char;
- seen_disp_event = TRUE;
+ break;
+
+ case ANSI('A', '('):
+ compatibility(VT100);
+ if (!term->cfg.no_remote_charset)
+ term->cset_attr[0] = ATTR_GBCHR;
+ break;
+ case ANSI('B', '('):
+ compatibility(VT100);
+ if (!term->cfg.no_remote_charset)
+ term->cset_attr[0] = ATTR_ASCII;
+ break;
+ case ANSI('0', '('):
+ compatibility(VT100);
+ if (!term->cfg.no_remote_charset)
+ term->cset_attr[0] = ATTR_LINEDRW;
+ break;
+ case ANSI('U', '('):
+ compatibility(OTHER);
+ if (!term->cfg.no_remote_charset)
+ term->cset_attr[0] = ATTR_SCOACS;
+ break;
+
+ case ANSI('A', ')'):
+ compatibility(VT100);
+ if (!term->cfg.no_remote_charset)
+ term->cset_attr[1] = ATTR_GBCHR;
+ break;
+ case ANSI('B', ')'):
+ compatibility(VT100);
+ if (!term->cfg.no_remote_charset)
+ term->cset_attr[1] = ATTR_ASCII;
+ break;
+ case ANSI('0', ')'):
+ compatibility(VT100);
+ if (!term->cfg.no_remote_charset)
+ term->cset_attr[1] = ATTR_LINEDRW;
+ break;
+ case ANSI('U', ')'):
+ compatibility(OTHER);
+ if (!term->cfg.no_remote_charset)
+ term->cset_attr[1] = ATTR_SCOACS;
+ break;
+
+ case ANSI('8', '%'): /* Old Linux code */
+ case ANSI('G', '%'):
+ compatibility(OTHER);
+ if (!term->cfg.no_remote_charset)
+ term->utf = 1;
+ break;
+ case ANSI('@', '%'):
+ compatibility(OTHER);
+ if (!term->cfg.no_remote_charset)
+ term->utf = 0;
+ break;
}
break;
- case 'x': /* report terminal characteristics */
- compatibility(VT100);
- {
- char buf[32];
- int i = def(esc_args[0], 0);
- if (i == 0 || i == 1) {
- strcpy (buf, "\033[2;1;1;112;112;1;0x");
- buf[2] += i;
- ldisc_send (buf, 20);
+ case SEEN_CSI:
+ term->termstate = TOPLEVEL; /* default */
+ if (isdigit(c)) {
+ if (term->esc_nargs <= ARGS_MAX) {
+ if (term->esc_args[term->esc_nargs - 1] == ARG_DEFAULT)
+ term->esc_args[term->esc_nargs - 1] = 0;
+ term->esc_args[term->esc_nargs - 1] =
+ 10 * term->esc_args[term->esc_nargs - 1] + c - '0';
}
- }
- break;
- case ANSI('L','='):
- compatibility(OTHER);
- use_bce = (esc_args[0]<=0);
- erase_char = ERASE_CHAR;
- if (use_bce)
- erase_char = (' '|(curr_attr&(ATTR_FGMASK|ATTR_BGMASK)));
- break;
- case ANSI('E','='):
- compatibility(OTHER);
- blink_is_real = (esc_args[0]>=1);
- break;
- case ANSI('p','"'):
- /* Allow the host to make this emulator a 'perfect' VT102.
- * This first appeared in the VT220, but we do need to get
- * back to PuTTY mode so I won't check it.
- *
- * The arg in 40..42 are a PuTTY extension.
- * The 2nd arg, 8bit vs 7bit is not checked.
- *
- * Setting VT102 mode should also change the Fkeys to
- * generate PF* codes as a real VT102 has no Fkeys.
- * The VT220 does this, F11..F13 become ESC,BS,LF other Fkeys
- * send nothing.
- *
- * Note ESC c will NOT change this!
- */
+ term->termstate = SEEN_CSI;
+ } else if (c == ';') {
+ if (++term->esc_nargs <= ARGS_MAX)
+ term->esc_args[term->esc_nargs - 1] = ARG_DEFAULT;
+ term->termstate = SEEN_CSI;
+ } else if (c < '@') {
+ if (term->esc_query)
+ term->esc_query = -1;
+ else if (c == '?')
+ term->esc_query = TRUE;
+ else
+ term->esc_query = c;
+ term->termstate = SEEN_CSI;
+ } else
+ switch (ANSI(c, term->esc_query)) {
+ case 'A': /* move up N lines */
+ move(term, term->curs.x,
+ term->curs.y - def(term->esc_args[0], 1), 1);
+ term->seen_disp_event = TRUE;
+ break;
+ case 'e': /* move down N lines */
+ compatibility(ANSI);
+ /* FALLTHROUGH */
+ case 'B':
+ move(term, term->curs.x,
+ term->curs.y + def(term->esc_args[0], 1), 1);
+ term->seen_disp_event = TRUE;
+ break;
+ case ANSI('c', '>'): /* report xterm version */
+ compatibility(OTHER);
+ /* this reports xterm version 136 so that VIM can
+ use the drag messages from the mouse reporting */
+ if (term->ldisc)
+ ldisc_send(term->ldisc, "\033[>0;136;0c", 11, 0);
+ break;
+ case 'a': /* move right N cols */
+ compatibility(ANSI);
+ /* FALLTHROUGH */
+ case 'C':
+ move(term, term->curs.x + def(term->esc_args[0], 1),
+ term->curs.y, 1);
+ term->seen_disp_event = TRUE;
+ break;
+ case 'D': /* move left N cols */
+ move(term, term->curs.x - def(term->esc_args[0], 1),
+ term->curs.y, 1);
+ term->seen_disp_event = TRUE;
+ break;
+ case 'E': /* 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;
+ break;
+ case 'F': /* 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;
+ break;
+ case 'G':
+ case '`': /* set horizontal posn */
+ compatibility(ANSI);
+ move(term, def(term->esc_args[0], 1) - 1,
+ term->curs.y, 0);
+ term->seen_disp_event = TRUE;
+ break;
+ case 'd': /* set vertical posn */
+ compatibility(ANSI);
+ move(term, term->curs.x,
+ ((term->dec_om ? term->marg_t : 0) +
+ def(term->esc_args[0], 1) - 1),
+ (term->dec_om ? 2 : 0));
+ term->seen_disp_event = TRUE;
+ break;
+ case 'H':
+ case 'f': /* set horz and vert posns at once */
+ if (term->esc_nargs < 2)
+ term->esc_args[1] = ARG_DEFAULT;
+ move(term, def(term->esc_args[1], 1) - 1,
+ ((term->dec_om ? term->marg_t : 0) +
+ def(term->esc_args[0], 1) - 1),
+ (term->dec_om ? 2 : 0));
+ term->seen_disp_event = TRUE;
+ break;
+ case 'J': /* 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));
+ }
+ term->disptop = 0;
+ term->seen_disp_event = TRUE;
+ break;
+ case 'K': /* erase line or parts of it */
+ {
+ unsigned int i = def(term->esc_args[0], 0) + 1;
+ if (i > 3)
+ i = 0;
+ erase_lots(term, TRUE, !!(i & 2), !!(i & 1));
+ }
+ term->seen_disp_event = TRUE;
+ break;
+ case 'L': /* 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;
+ break;
+ case 'M': /* delete lines */
+ compatibility(VT102);
+ if (term->curs.y <= term->marg_b)
+ scroll(term, term->curs.y, term->marg_b,
+ def(term->esc_args[0], 1),
+ TRUE);
+ fix_cpos;
+ term->seen_disp_event = TRUE;
+ break;
+ case '@': /* 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;
+ break;
+ case 'P': /* delete chars */
+ compatibility(VT102);
+ insch(term, -def(term->esc_args[0], 1));
+ term->seen_disp_event = TRUE;
+ break;
+ case 'c': /* terminal type query */
+ compatibility(VT100);
+ /* This is the response for a VT102 */
+ if (term->ldisc)
+ ldisc_send(term->ldisc, term->id_string,
+ strlen(term->id_string), 0);
+ break;
+ case 'n': /* cursor position query */
+ if (term->ldisc) {
+ if (term->esc_args[0] == 6) {
+ char buf[32];
+ sprintf(buf, "\033[%d;%dR", term->curs.y + 1,
+ term->curs.x + 1);
+ ldisc_send(term->ldisc, buf, strlen(buf), 0);
+ } else if (term->esc_args[0] == 5) {
+ ldisc_send(term->ldisc, "\033[0n", 4, 0);
+ }
+ }
+ break;
+ case 'h': /* toggle modes to high */
+ case ANSI_QUE('h'):
+ compatibility(VT100);
+ {
+ int i;
+ for (i = 0; i < term->esc_nargs; i++)
+ toggle_mode(term, term->esc_args[i],
+ term->esc_query, TRUE);
+ }
+ break;
+ case 'i':
+ case ANSI_QUE('i'):
+ compatibility(VT100);
+ {
+ if (term->esc_nargs != 1) break;
+ if (term->esc_args[0] == 5 && *term->cfg.printer) {
+ term->printing = TRUE;
+ term->only_printing = !term->esc_query;
+ term->print_state = 0;
+ term_print_setup(term);
+ } else if (term->esc_args[0] == 4 &&
+ term->printing) {
+ term_print_finish(term);
+ }
+ }
+ break;
+ case 'l': /* toggle modes to low */
+ case ANSI_QUE('l'):
+ compatibility(VT100);
+ {
+ int i;
+ for (i = 0; i < term->esc_nargs; i++)
+ toggle_mode(term, term->esc_args[i],
+ term->esc_query, FALSE);
+ }
+ break;
+ case 'g': /* clear tabs */
+ compatibility(VT100);
+ if (term->esc_nargs == 1) {
+ if (term->esc_args[0] == 0) {
+ term->tabs[term->curs.x] = FALSE;
+ } else if (term->esc_args[0] == 3) {
+ int i;
+ for (i = 0; i < term->cols; i++)
+ term->tabs[i] = FALSE;
+ }
+ }
+ break;
+ case 'r': /* set scroll margins */
+ compatibility(VT100);
+ if (term->esc_nargs <= 2) {
+ int top, bot;
+ top = def(term->esc_args[0], 1) - 1;
+ bot = (term->esc_nargs <= 1
+ || term->esc_args[1] == 0 ?
+ term->rows :
+ def(term->esc_args[1], term->rows)) - 1;
+ if (bot >= term->rows)
+ bot = term->rows - 1;
+ /* VTTEST Bug 9 - if region is less than 2 lines
+ * don't change region.
+ */
+ if (bot - top > 0) {
+ term->marg_t = top;
+ term->marg_b = bot;
+ term->curs.x = 0;
+ /*
+ * I used to think the cursor should be
+ * placed at the top of the newly marginned
+ * area. Apparently not: VMS TPU falls over
+ * if so.
+ *
+ * Well actually it should for
+ * Origin mode - RDB
+ */
+ term->curs.y = (term->dec_om ?
+ term->marg_t : 0);
+ fix_cpos;
+ term->seen_disp_event = TRUE;
+ }
+ }
+ break;
+ case 'm': /* set graphics rendition */
+ {
+ /*
+ * A VT100 without the AVO only had one
+ * attribute, either underline or
+ * reverse video depending on the
+ * cursor type, this was selected by
+ * CSI 7m.
+ *
+ * case 2:
+ * This is sometimes DIM, eg on the
+ * GIGI and Linux
+ * case 8:
+ * This is sometimes INVIS various ANSI.
+ * case 21:
+ * This like 22 disables BOLD, DIM and INVIS
+ *
+ * The ANSI colours appear on any
+ * terminal that has colour (obviously)
+ * but the interaction between sgr0 and
+ * the colours varies but is usually
+ * related to the background colour
+ * erase item. The interaction between
+ * colour attributes and the mono ones
+ * is also very implementation
+ * dependent.
+ *
+ * The 39 and 49 attributes are likely
+ * to be unimplemented.
+ */
+ int i;
+ for (i = 0; i < term->esc_nargs; i++) {
+ switch (def(term->esc_args[i], 0)) {
+ case 0: /* restore defaults */
+ term->curr_attr = ATTR_DEFAULT;
+ break;
+ case 1: /* enable bold */
+ compatibility(VT100AVO);
+ term->curr_attr |= ATTR_BOLD;
+ break;
+ case 21: /* (enable double underline) */
+ compatibility(OTHER);
+ case 4: /* enable underline */
+ compatibility(VT100AVO);
+ term->curr_attr |= ATTR_UNDER;
+ break;
+ case 5: /* enable blink */
+ compatibility(VT100AVO);
+ term->curr_attr |= ATTR_BLINK;
+ 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;
+ term->sco_acs = 0; break;
+ case 11: /* SCO acs on */
+ compatibility(SCOANSI);
+ if (term->cfg.no_remote_charset) break;
+ term->sco_acs = 1; break;
+ case 12: /* SCO acs on, |0x80 */
+ compatibility(SCOANSI);
+ if (term->cfg.no_remote_charset) break;
+ term->sco_acs = 2; break;
+ case 22: /* disable bold */
+ compatibility2(OTHER, VT220);
+ term->curr_attr &= ~ATTR_BOLD;
+ break;
+ case 24: /* disable underline */
+ compatibility2(OTHER, VT220);
+ term->curr_attr &= ~ATTR_UNDER;
+ break;
+ case 25: /* disable blink */
+ compatibility2(OTHER, VT220);
+ term->curr_attr &= ~ATTR_BLINK;
+ break;
+ case 27: /* disable reverse video */
+ compatibility2(OTHER, VT220);
+ term->curr_attr &= ~ATTR_REVERSE;
+ break;
+ case 30:
+ case 31:
+ case 32:
+ case 33:
+ case 34:
+ case 35:
+ case 36:
+ case 37:
+ /* foreground */
+ term->curr_attr &= ~ATTR_FGMASK;
+ term->curr_attr |=
+ (term->esc_args[i] - 30)<<ATTR_FGSHIFT;
+ break;
+ case 39: /* default-foreground */
+ term->curr_attr &= ~ATTR_FGMASK;
+ term->curr_attr |= ATTR_DEFFG;
+ break;
+ case 40:
+ case 41:
+ case 42:
+ case 43:
+ case 44:
+ case 45:
+ case 46:
+ case 47:
+ /* background */
+ term->curr_attr &= ~ATTR_BGMASK;
+ term->curr_attr |=
+ (term->esc_args[i] - 40)<<ATTR_BGSHIFT;
+ break;
+ case 49: /* default-background */
+ term->curr_attr &= ~ATTR_BGMASK;
+ term->curr_attr |= ATTR_DEFBG;
+ break;
+ }
+ }
+ if (term->use_bce)
+ term->erase_char = (' ' | ATTR_ASCII |
+ (term->curr_attr &
+ (ATTR_FGMASK |
+ ATTR_BGMASK)));
+ }
+ break;
+ case 's': /* save cursor */
+ save_cursor(term, TRUE);
+ break;
+ case 'u': /* restore cursor */
+ save_cursor(term, FALSE);
+ term->seen_disp_event = TRUE;
+ break;
+ case 't': /* set page size - ie window height */
+ /*
+ * VT340/VT420 sequence DECSLPP, DEC only allows values
+ * 24/25/36/48/72/144 other emulators (eg dtterm) use
+ * illegal values (eg first arg 1..9) for window changing
+ * and reports.
+ */
+ if (term->esc_nargs <= 1
+ && (term->esc_args[0] < 1 ||
+ term->esc_args[0] >= 24)) {
+ compatibility(VT340TEXT);
+ if (!term->cfg.no_remote_resize)
+ request_resize(term->frontend, term->cols,
+ def(term->esc_args[0], 24));
+ deselect(term);
+ } else if (term->esc_nargs >= 1 &&
+ term->esc_args[0] >= 1 &&
+ term->esc_args[0] < 24) {
+ compatibility(OTHER);
- switch (esc_args[0]) {
- case 61: compatibility_level &= ~TM_VTXXX;
- compatibility_level |= TM_VT102; break;
- case 62: compatibility_level &= ~TM_VTXXX;
- compatibility_level |= TM_VT220; break;
+ switch (term->esc_args[0]) {
+ int x, y, len;
+ char buf[80], *p;
+ case 1:
+ set_iconic(term->frontend, FALSE);
+ break;
+ case 2:
+ set_iconic(term->frontend, TRUE);
+ break;
+ case 3:
+ if (term->esc_nargs >= 3) {
+ if (!term->cfg.no_remote_resize)
+ move_window(term->frontend,
+ def(term->esc_args[1], 0),
+ def(term->esc_args[2], 0));
+ }
+ break;
+ case 4:
+ /* We should resize the window to a given
+ * size in pixels here, but currently our
+ * resizing code isn't healthy enough to
+ * manage it. */
+ break;
+ case 5:
+ /* move to top */
+ set_zorder(term->frontend, TRUE);
+ break;
+ case 6:
+ /* move to bottom */
+ set_zorder(term->frontend, FALSE);
+ break;
+ case 7:
+ refresh_window(term->frontend);
+ break;
+ case 8:
+ if (term->esc_nargs >= 3) {
+ if (!term->cfg.no_remote_resize)
+ request_resize(term->frontend,
+ def(term->esc_args[2], term->cfg.width),
+ def(term->esc_args[1], term->cfg.height));
+ }
+ break;
+ case 9:
+ if (term->esc_nargs >= 2)
+ set_zoomed(term->frontend,
+ term->esc_args[1] ?
+ TRUE : FALSE);
+ break;
+ case 11:
+ if (term->ldisc)
+ ldisc_send(term->ldisc,
+ is_iconic(term->frontend) ?
+ "\033[1t" : "\033[2t", 4, 0);
+ break;
+ case 13:
+ if (term->ldisc) {
+ get_window_pos(term->frontend, &x, &y);
+ len = sprintf(buf, "\033[3;%d;%dt", x, y);
+ ldisc_send(term->ldisc, buf, len, 0);
+ }
+ break;
+ case 14:
+ if (term->ldisc) {
+ get_window_pixels(term->frontend, &x, &y);
+ len = sprintf(buf, "\033[4;%d;%dt", x, y);
+ ldisc_send(term->ldisc, buf, len, 0);
+ }
+ break;
+ case 18:
+ if (term->ldisc) {
+ len = sprintf(buf, "\033[8;%d;%dt",
+ term->rows, term->cols);
+ ldisc_send(term->ldisc, buf, len, 0);
+ }
+ break;
+ case 19:
+ /*
+ * Hmmm. Strictly speaking we
+ * should return `the size of the
+ * screen in characters', but
+ * that's not easy: (a) window
+ * furniture being what it is it's
+ * hard to compute, and (b) in
+ * resize-font mode maximising the
+ * window wouldn't change the
+ * number of characters. *shrug*. I
+ * think we'll ignore it for the
+ * moment and see if anyone
+ * complains, and then ask them
+ * what they would like it to do.
+ */
+ break;
+ case 20:
+ if (term->ldisc) {
+ p = get_window_title(term->frontend, TRUE);
+ len = strlen(p);
+ ldisc_send(term->ldisc, "\033]L", 3, 0);
+ ldisc_send(term->ldisc, p, len, 0);
+ ldisc_send(term->ldisc, "\033\\", 2, 0);
+ }
+ break;
+ case 21:
+ if (term->ldisc) {
+ p = get_window_title(term->frontend,FALSE);
+ len = strlen(p);
+ ldisc_send(term->ldisc, "\033]l", 3, 0);
+ ldisc_send(term->ldisc, p, len, 0);
+ ldisc_send(term->ldisc, "\033\\", 2, 0);
+ }
+ break;
+ }
+ }
+ break;
+ case 'S':
+ 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;
+ break;
+ case 'T':
+ 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;
+ break;
+ case ANSI('|', '*'):
+ /* VT420 sequence DECSNLS
+ * Set number of lines on screen
+ * VT420 uses VGA like hardware and can support any size in
+ * reasonable range (24..49 AIUI) with no default specified.
+ */
+ compatibility(VT420);
+ if (term->esc_nargs == 1 && term->esc_args[0] > 0) {
+ if (!term->cfg.no_remote_resize)
+ request_resize(term->frontend, term->cols,
+ def(term->esc_args[0],
+ term->cfg.height));
+ deselect(term);
+ }
+ break;
+ case ANSI('|', '$'):
+ /* VT340/VT420 sequence DECSCPP
+ * Set number of columns per page
+ * Docs imply range is only 80 or 132, but I'll allow any.
+ */
+ compatibility(VT340TEXT);
+ if (term->esc_nargs <= 1) {
+ if (!term->cfg.no_remote_resize)
+ request_resize(term->frontend,
+ def(term->esc_args[0],
+ term->cfg.width), term->rows);
+ deselect(term);
+ }
+ break;
+ case 'X': /* write N spaces w/o moving cursor */
+ /* XXX VTTEST says this is vt220, vt510 manual says vt100 */
+ compatibility(ANSIMIN);
+ {
+ int n = def(term->esc_args[0], 1);
+ pos cursplus;
+ unsigned long *p = term->cpos;
+ if (n > term->cols - term->curs.x)
+ n = term->cols - term->curs.x;
+ cursplus = term->curs;
+ cursplus.x += n;
+ check_boundary(term, term->curs.x, term->curs.y);
+ 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;
+ }
+ break;
+ case 'x': /* report terminal characteristics */
+ compatibility(VT100);
+ if (term->ldisc) {
+ char buf[32];
+ int i = def(term->esc_args[0], 0);
+ if (i == 0 || i == 1) {
+ strcpy(buf, "\033[2;1;1;112;112;1;0x");
+ buf[2] += i;
+ ldisc_send(term->ldisc, buf, 20, 0);
+ }
+ }
+ break;
+ case 'Z': /* BackTab for xterm */
+ compatibility(OTHER);
+ {
+ int i = def(term->esc_args[0], 1);
+ pos old_curs = term->curs;
+
+ for(;i>0 && term->curs.x>0; i--) {
+ do {
+ term->curs.x--;
+ } while (term->curs.x >0 &&
+ !term->tabs[term->curs.x]);
+ }
+ fix_cpos;
+ check_selection(term, old_curs, term->curs);
+ }
+ break;
+ case ANSI('L', '='):
+ compatibility(OTHER);
+ 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)));
+ break;
+ case ANSI('E', '='):
+ compatibility(OTHER);
+ term->blink_is_real = (term->esc_args[0] >= 1);
+ break;
+ case ANSI('p', '"'):
+ /*
+ * Allow the host to make this emulator a
+ * 'perfect' VT102. This first appeared in
+ * the VT220, but we do need to get back to
+ * PuTTY mode so I won't check it.
+ *
+ * The arg in 40..42,50 are a PuTTY extension.
+ * The 2nd arg, 8bit vs 7bit is not checked.
+ *
+ * Setting VT102 mode should also change
+ * the Fkeys to generate PF* codes as a
+ * real VT102 has no Fkeys. The VT220 does
+ * this, F11..F13 become ESC,BS,LF other
+ * Fkeys send nothing.
+ *
+ * Note ESC c will NOT change this!
+ */
- default: if( esc_args[0] > 60 && esc_args[0] < 70 )
- compatibility_level |= TM_VTXXX;
- break;
+ switch (term->esc_args[0]) {
+ case 61:
+ term->compatibility_level &= ~TM_VTXXX;
+ term->compatibility_level |= TM_VT102;
+ break;
+ case 62:
+ term->compatibility_level &= ~TM_VTXXX;
+ term->compatibility_level |= TM_VT220;
+ break;
- case 40: compatibility_level &= TM_VTXXX; break;
- case 41: compatibility_level = TM_PUTTY; break;
- case 42: compatibility_level = TM_SCOANSI; break;
+ default:
+ if (term->esc_args[0] > 60 &&
+ term->esc_args[0] < 70)
+ term->compatibility_level |= TM_VTXXX;
+ break;
- case ARG_DEFAULT:
- compatibility_level = TM_PUTTY; break;
- case 50: break;
- }
+ case 40:
+ term->compatibility_level &= TM_VTXXX;
+ break;
+ case 41:
+ term->compatibility_level = TM_PUTTY;
+ break;
+ case 42:
+ term->compatibility_level = TM_SCOANSI;
+ break;
- /* Change the response to CSI c */
- if (esc_args[0] == 50) {
- int i;
- char lbuf[64];
- strcpy(id_string, "\033[?");
- for (i=1; i<esc_nargs; i++) {
- if (i!=1) strcat(id_string, ";");
- sprintf(lbuf, "%d", esc_args[i]);
- strcat(id_string, lbuf);
- }
- strcat(id_string, "c");
- }
+ case ARG_DEFAULT:
+ term->compatibility_level = TM_PUTTY;
+ break;
+ case 50:
+ break;
+ }
+ /* Change the response to CSI c */
+ if (term->esc_args[0] == 50) {
+ int i;
+ char lbuf[64];
+ strcpy(term->id_string, "\033[?");
+ for (i = 1; i < term->esc_nargs; i++) {
+ if (i != 1)
+ strcat(term->id_string, ";");
+ sprintf(lbuf, "%d", term->esc_args[i]);
+ strcat(term->id_string, lbuf);
+ }
+ strcat(term->id_string, "c");
+ }
#if 0
- /* Is this a good idea ?
- * Well we should do a soft reset at this point ...
- */
- if (!has_compat(VT420) && has_compat(VT100)) {
- if (reset_132) request_resize (132, 24, 1);
- else request_resize ( 80, 24, 1);
- }
+ /* Is this a good idea ?
+ * 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->reset_132)
+ request_resize(132, 24);
+ else
+ request_resize(80, 24);
+ }
+ }
#endif
+ break;
+ }
break;
- }
- break;
- case SET_GL:
- case SET_GR:
- /* VT100 only here, checked above */
- switch (c) {
- case 'A':
- cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_GBCHR;
- break;
- case '0':
- cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_LINEDRW;
- break;
- case 'B':
- default: /* specifically, 'B' */
- cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_ASCII;
- break;
- }
- if( !has_compat(VT220) || c != '%' )
- termstate = TOPLEVEL;
- break;
- case SEEN_OSC:
- osc_w = FALSE;
- switch (c) {
- case 'P': /* Linux palette sequence */
- termstate = SEEN_OSC_P;
- osc_strlen = 0;
+ case SEEN_OSC:
+ term->osc_w = FALSE;
+ switch (c) {
+ case 'P': /* Linux palette sequence */
+ term->termstate = SEEN_OSC_P;
+ term->osc_strlen = 0;
+ break;
+ case 'R': /* Linux palette reset */
+ palette_reset(term->frontend);
+ term_invalidate(term);
+ term->termstate = TOPLEVEL;
+ break;
+ case 'W': /* word-set */
+ term->termstate = SEEN_OSC_W;
+ term->osc_w = TRUE;
+ break;
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ term->esc_args[0] = 10 * term->esc_args[0] + c - '0';
+ break;
+ case 'L':
+ /*
+ * Grotty hack to support xterm and DECterm title
+ * sequences concurrently.
+ */
+ if (term->esc_args[0] == 2) {
+ term->esc_args[0] = 1;
+ break;
+ }
+ /* else fall through */
+ default:
+ term->termstate = OSC_STRING;
+ term->osc_strlen = 0;
+ }
break;
- case 'R': /* Linux palette reset */
- palette_reset();
- term_invalidate();
- termstate = TOPLEVEL;
+ case OSC_STRING:
+ /*
+ * This OSC stuff is EVIL. It takes just one character to get into
+ * sysline mode and it's not initially obvious how to get out.
+ * So I've added CR and LF as string aborts.
+ * This shouldn't effect compatibility as I believe embedded
+ * control characters are supposed to be interpreted (maybe?)
+ * and they don't display anything useful anyway.
+ *
+ * -- RDB
+ */
+ if (c == '\012' || c == '\015') {
+ term->termstate = TOPLEVEL;
+ } else if (c == 0234 || c == '\007') {
+ /*
+ * These characters terminate the string; ST and BEL
+ * terminate the sequence and trigger instant
+ * processing of it, whereas ESC goes back to SEEN_ESC
+ * mode unless it is followed by \, in which case it is
+ * synonymous with ST in the first place.
+ */
+ do_osc(term);
+ term->termstate = TOPLEVEL;
+ } else if (c == '\033')
+ term->termstate = OSC_MAYBE_ST;
+ else if (term->osc_strlen < OSC_STR_MAX)
+ term->osc_string[term->osc_strlen++] = c;
break;
- case 'W': /* word-set */
- termstate = SEEN_OSC_W;
- osc_w = TRUE;
+ case SEEN_OSC_P:
+ {
+ int max = (term->osc_strlen == 0 ? 21 : 16);
+ int val;
+ if (c >= '0' && c <= '9')
+ val = c - '0';
+ else if (c >= 'A' && c <= 'A' + max - 10)
+ val = c - 'A' + 10;
+ else if (c >= 'a' && c <= 'a' + max - 10)
+ val = c - 'a' + 10;
+ else {
+ term->termstate = TOPLEVEL;
+ break;
+ }
+ term->osc_string[term->osc_strlen++] = val;
+ if (term->osc_strlen >= 7) {
+ palette_set(term->frontend, term->osc_string[0],
+ term->osc_string[1] * 16 + term->osc_string[2],
+ term->osc_string[3] * 16 + term->osc_string[4],
+ term->osc_string[5] * 16 + term->osc_string[6]);
+ term_invalidate(term);
+ term->termstate = TOPLEVEL;
+ }
+ }
break;
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- esc_args[0] = 10 * esc_args[0] + c - '0';
+ case SEEN_OSC_W:
+ switch (c) {
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ term->esc_args[0] = 10 * term->esc_args[0] + c - '0';
+ break;
+ default:
+ term->termstate = OSC_STRING;
+ term->osc_strlen = 0;
+ }
break;
- case 'L':
- /*
- * Grotty hack to support xterm and DECterm title
- * sequences concurrently.
- */
- if (esc_args[0] == 2) {
- esc_args[0] = 1;
+ case VT52_ESC:
+ term->termstate = TOPLEVEL;
+ term->seen_disp_event = TRUE;
+ switch (c) {
+ case 'A':
+ move(term, term->curs.x, term->curs.y - 1, 1);
+ break;
+ case 'B':
+ move(term, term->curs.x, term->curs.y + 1, 1);
+ break;
+ case 'C':
+ move(term, term->curs.x + 1, term->curs.y, 1);
+ break;
+ case 'D':
+ move(term, term->curs.x - 1, term->curs.y, 1);
+ break;
+ /*
+ * From the VT100 Manual
+ * NOTE: The special graphics characters in the VT100
+ * are different from those in the VT52
+ *
+ * From VT102 manual:
+ * 137 _ Blank - Same
+ * 140 ` Reserved - Humm.
+ * 141 a Solid rectangle - Similar
+ * 142 b 1/ - Top half of fraction for the
+ * 143 c 3/ - subscript numbers below.
+ * 144 d 5/
+ * 145 e 7/
+ * 146 f Degrees - Same
+ * 147 g Plus or minus - Same
+ * 150 h Right arrow
+ * 151 i Ellipsis (dots)
+ * 152 j Divide by
+ * 153 k Down arrow
+ * 154 l Bar at scan 0
+ * 155 m Bar at scan 1
+ * 156 n Bar at scan 2
+ * 157 o Bar at scan 3 - Similar
+ * 160 p Bar at scan 4 - Similar
+ * 161 q Bar at scan 5 - Similar
+ * 162 r Bar at scan 6 - Same
+ * 163 s Bar at scan 7 - Similar
+ * 164 t Subscript 0
+ * 165 u Subscript 1
+ * 166 v Subscript 2
+ * 167 w Subscript 3
+ * 170 x Subscript 4
+ * 171 y Subscript 5
+ * 172 z Subscript 6
+ * 173 { Subscript 7
+ * 174 | Subscript 8
+ * 175 } Subscript 9
+ * 176 ~ Paragraph
+ *
+ */
+ case 'F':
+ term->cset_attr[term->cset = 0] = ATTR_LINEDRW;
+ break;
+ case 'G':
+ term->cset_attr[term->cset = 0] = ATTR_ASCII;
+ break;
+ case 'H':
+ move(term, 0, 0, 0);
+ break;
+ case 'I':
+ if (term->curs.y == 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':
+ erase_lots(term, FALSE, FALSE, TRUE);
+ term->disptop = 0;
+ break;
+ case 'K':
+ erase_lots(term, TRUE, FALSE, TRUE);
+ break;
+#if 0
+ case 'V':
+ /* XXX Print cursor line */
+ break;
+ case 'W':
+ /* XXX Start controller mode */
+ break;
+ case 'X':
+ /* XXX Stop controller mode */
+ break;
+#endif
+ case 'Y':
+ term->termstate = VT52_Y1;
+ break;
+ case 'Z':
+ if (term->ldisc)
+ ldisc_send(term->ldisc, "\033/Z", 3, 0);
+ break;
+ case '=':
+ term->app_keypad_keys = TRUE;
+ break;
+ case '>':
+ term->app_keypad_keys = FALSE;
+ break;
+ case '<':
+ /* XXX This should switch to VT100 mode not current or default
+ * VT mode. But this will only have effect in a VT220+
+ * emulation.
+ */
+ term->vt52_mode = FALSE;
+ term->blink_is_real = term->cfg.blinktext;
+ break;
+#if 0
+ case '^':
+ /* XXX Enter auto print mode */
+ break;
+ case '_':
+ /* XXX Exit auto print mode */
+ break;
+ case ']':
+ /* XXX Print screen */
+ break;
+#endif
+
+#ifdef VT52_PLUS
+ case 'E':
+ /* compatibility(ATARI) */
+ move(term, 0, 0, 0);
+ erase_lots(term, FALSE, FALSE, TRUE);
+ term->disptop = 0;
+ break;
+ case 'L':
+ /* compatibility(ATARI) */
+ if (term->curs.y <= term->marg_b)
+ scroll(term, term->curs.y, term->marg_b, -1, FALSE);
+ break;
+ case 'M':
+ /* compatibility(ATARI) */
+ if (term->curs.y <= term->marg_b)
+ scroll(term, term->curs.y, term->marg_b, 1, TRUE);
+ break;
+ case 'b':
+ /* compatibility(ATARI) */
+ term->termstate = VT52_FG;
+ break;
+ case 'c':
+ /* compatibility(ATARI) */
+ term->termstate = VT52_BG;
+ break;
+ case 'd':
+ /* compatibility(ATARI) */
+ erase_lots(term, FALSE, TRUE, FALSE);
+ term->disptop = 0;
+ break;
+ case 'e':
+ /* compatibility(ATARI) */
+ term->cursor_on = TRUE;
+ break;
+ case 'f':
+ /* compatibility(ATARI) */
+ term->cursor_on = FALSE;
+ break;
+ /* case 'j': Save cursor position - broken on ST */
+ /* case 'k': Restore cursor position */
+ case 'l':
+ /* compatibility(ATARI) */
+ erase_lots(term, TRUE, TRUE, TRUE);
+ term->curs.x = 0;
+ term->wrapnext = FALSE;
+ fix_cpos;
+ break;
+ case 'o':
+ /* compatibility(ATARI) */
+ erase_lots(term, TRUE, TRUE, FALSE);
+ break;
+ case 'p':
+ /* compatibility(ATARI) */
+ term->curr_attr |= ATTR_REVERSE;
+ break;
+ case 'q':
+ /* compatibility(ATARI) */
+ term->curr_attr &= ~ATTR_REVERSE;
+ break;
+ case 'v': /* wrap Autowrap on - Wyse style */
+ /* compatibility(ATARI) */
+ term->wrap = 1;
+ break;
+ case 'w': /* Autowrap off */
+ /* compatibility(ATARI) */
+ term->wrap = 0;
break;
- }
- /* else fall through */
- default:
- termstate = OSC_STRING;
- osc_strlen = 0;
- }
- break;
- case OSC_STRING:
- /*
- * This OSC stuff is EVIL. It takes just one character to get into
- * sysline mode and it's not initially obvious how to get out.
- * So I've added CR and LF as string aborts.
- * This shouldn't effect compatibility as I believe embedded
- * control characters are supposed to be interpreted (maybe?)
- * and they don't display anything useful anyway.
- *
- * -- RDB
- */
- if (c == '\n' || c == '\r') {
- termstate = TOPLEVEL;
- } else if (c == 0234 || c == '\007' ) {
- /*
- * These characters terminate the string; ST and BEL
- * terminate the sequence and trigger instant
- * processing of it, whereas ESC goes back to SEEN_ESC
- * mode unless it is followed by \, in which case it is
- * synonymous with ST in the first place.
- */
- do_osc();
- termstate = TOPLEVEL;
- } else if (c == '\033')
- termstate = OSC_MAYBE_ST;
- else if (osc_strlen < OSC_STR_MAX)
- osc_string[osc_strlen++] = c;
- break;
- case SEEN_OSC_P:
- {
- int max = (osc_strlen == 0 ? 21 : 16);
- int val;
- if (c >= '0' && c <= '9')
- val = c - '0';
- else if (c >= 'A' && c <= 'A'+max-10)
- val = c - 'A' + 10;
- else if (c >= 'a' && c <= 'a'+max-10)
- val = c - 'a' + 10;
- else
- termstate = TOPLEVEL;
- osc_string[osc_strlen++] = val;
- if (osc_strlen >= 7) {
- palette_set (osc_string[0],
- osc_string[1] * 16 + osc_string[2],
- osc_string[3] * 16 + osc_string[4],
- osc_string[5] * 16 + osc_string[6]);
- term_invalidate();
- termstate = TOPLEVEL;
- }
- }
- break;
- case SEEN_OSC_W:
- switch (c) {
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- esc_args[0] = 10 * esc_args[0] + c - '0';
- break;
- default:
- termstate = OSC_STRING;
- osc_strlen = 0;
- }
- break;
- case SEEN_ESCHASH:
- {
- unsigned long nlattr;
- unsigned long *ldata;
- int i, j;
- pos scrtop, scrbot;
- switch (c) {
- case '8':
- for (i = 0; i < rows; i++) {
- ldata = lineptr(i);
- for (j = 0; j < cols; j++)
- ldata[j] = ATTR_DEFAULT | 'E';
- ldata[cols] = 0;
- }
- disptop = 0;
- seen_disp_event = TRUE;
- scrtop.x = scrtop.y = 0;
- scrbot.x = 0; scrbot.y = rows;
- check_selection (scrtop, scrbot);
- break;
-
- case '3': nlattr = LATTR_TOP; goto lattr_common;
- case '4': nlattr = LATTR_BOT; goto lattr_common;
- case '5': nlattr = LATTR_NORM; goto lattr_common;
- case '6': nlattr = LATTR_WIDE;
- lattr_common:
-
- ldata = lineptr(curs.y);
- ldata[cols] &= ~LATTR_MODE;
- ldata[cols] |= nlattr;
+ case 'R':
+ /* 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)));
+ break;
+ case 'S':
+ /* compatibility(VI50) */
+ term->curr_attr |= ATTR_UNDER;
+ break;
+ case 'W':
+ /* compatibility(VI50) */
+ term->curr_attr &= ~ATTR_UNDER;
+ break;
+ case 'U':
+ /* compatibility(VI50) */
+ term->vt52_bold = TRUE;
+ term->curr_attr |= ATTR_BOLD;
+ break;
+ case 'T':
+ /* compatibility(VI50) */
+ term->vt52_bold = FALSE;
+ term->curr_attr &= ~ATTR_BOLD;
+ break;
+#endif
}
- }
- termstate = TOPLEVEL;
- break;
- case VT52_ESC:
- termstate = TOPLEVEL;
- seen_disp_event = TRUE;
- switch (c) {
- case 'A':
- move (curs.x, curs.y - 1, 1);
- break;
- case 'B':
- move (curs.x, curs.y + 1, 1);
- break;
- case 'C':
- move (curs.x + 1, curs.y, 1);
- break;
- case 'D':
- move (curs.x - 1, curs.y, 1);
- break;
- case 'F':
- cset_attr[cset=0] = ATTR_LINEDRW;
- break;
- case 'G':
- cset_attr[cset=0] = ATTR_ASCII;
- break;
- case 'H':
- move (0, 0, 0);
- break;
- case 'I':
- if (curs.y == 0)
- scroll (0, rows-1, -1, TRUE);
- else if (curs.y > 0)
- curs.y--;
- fix_cpos;
- wrapnext = FALSE;
- break;
- case 'J':
- erase_lots(FALSE, FALSE, TRUE);
- disptop = 0;
- break;
- case 'K':
- erase_lots(TRUE, FALSE, TRUE);
- break;
- case 'V':
- /* XXX Print cursor line */
break;
- case 'W':
- /* XXX Start controller mode */
+ case VT52_Y1:
+ term->termstate = VT52_Y2;
+ move(term, term->curs.x, c - ' ', 0);
break;
- case 'X':
- /* XXX Stop controller mode */
+ case VT52_Y2:
+ term->termstate = TOPLEVEL;
+ move(term, c - ' ', term->curs.y, 0);
break;
- case 'Y':
- termstate = VT52_Y1;
- break;
- case 'Z':
- ldisc_send ("\033/Z", 3);
- break;
- case '=':
- app_keypad_keys = TRUE;
- break;
- case '>':
- app_keypad_keys = FALSE;
- break;
- case '<':
- /* XXX This should switch to VT100 mode not current or default
- * VT mode. But this will only have effect in a VT220+
- * emulation.
- */
- vt52_mode = FALSE;
- break;
- case '^':
- /* XXX Enter auto print mode */
- break;
- case '_':
- /* XXX Exit auto print mode */
+
+#ifdef VT52_PLUS
+ case VT52_FG:
+ 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)));
break;
- case ']':
- /* XXX Print screen */
+ 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)));
break;
+#endif
+ default: break; /* placate gcc warning about enum use */
}
- break;
- case VT52_Y1:
- termstate = VT52_Y2;
- move(curs.x, c-' ', 0);
- break;
- case VT52_Y2:
- termstate = TOPLEVEL;
- move(c-' ', curs.y, 0);
- break;
- }
- if (selstate != NO_SELECTION) {
- pos cursplus = curs;
+ if (term->selstate != NO_SELECTION) {
+ pos cursplus = term->curs;
incpos(cursplus);
- check_selection (curs, cursplus);
+ check_selection(term, term->curs, cursplus);
}
}
- inbuf_head = 0;
+
+ term_print_flush(term);
}
+#if 0
/*
* Compare two lines to determine whether they are sufficiently
* alike to scroll-optimise one to the other. Return the degree of
* similarity.
*/
-static int linecmp (unsigned long *a, unsigned long *b) {
+static int linecmp(Terminal *term, unsigned long *a, unsigned long *b)
+{
int i, n;
- for (i=n=0; i < cols; i++)
+ for (i = n = 0; i < term->cols; i++)
n += (*a++ == *b++);
return n;
}
+#endif
/*
* Given a context, update the window. Out of paranoia, we don't
* allow WM_PAINT responses to do scrolling optimisations.
*/
-static void do_paint (Context ctx, int may_optimise) {
- int i, j, start, our_curs_y;
- unsigned long attr, rv, cursor;
+static void do_paint(Terminal *term, Context ctx, int may_optimise)
+{
+ int i, j, our_curs_y, our_curs_x;
+ unsigned long rv, cursor;
pos scrpos;
char ch[1024];
- long ticks;
+ long cursor_background = ERASE_CHAR;
+ unsigned long ticks;
/*
* Check the visual bell state.
*/
- if (in_vbell) {
- ticks = GetTickCount();
- if (ticks - vbell_timeout >= 0)
- in_vbell = FALSE;
- }
+ if (term->in_vbell) {
+ ticks = GETTICKCOUNT();
+ if (ticks - term->vbell_startpoint >= VBELL_TIMEOUT)
+ term->in_vbell = FALSE;
+ }
+
+ 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
+ * curs.y, curs.x, blinker, cfg.blink_cur, cursor_on, has_focus, wrapnext
*/
- if (cursor_on) {
- if (has_focus) {
- if (blinker || !cfg.blink_cur)
- cursor = ATTR_ACTCURS;
- else
- cursor = 0;
- }
- else
- cursor = ATTR_PASCURS;
- if (wrapnext)
- cursor |= ATTR_RIGHTCURS;
- }
- else
+
+ /* Has the cursor position or type changed ? */
+ if (term->cursor_on) {
+ if (term->has_focus) {
+ if (term->blinker || !term->cfg.blink_cur)
+ cursor = TATTR_ACTCURS;
+ else
+ cursor = 0;
+ } else
+ cursor = TATTR_PASCURS;
+ if (term->wrapnext)
+ cursor |= TATTR_RIGHTCURS;
+ } else
cursor = 0;
- rv = (!rvideo ^ !in_vbell ? ATTR_REVERSE : 0);
- our_curs_y = curs.y - disptop;
+ 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.
+ */
+ unsigned long *ldata = lineptr(term->curs.y);
+ our_curs_x = term->curs.x;
+ if (our_curs_x > 0 &&
+ (ldata[our_curs_x] & (CHAR_MASK | CSET_MASK)) == UCSWIDE)
+ our_curs_x--;
+ }
+
+ 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;
+ term->curstype = 0;
+ }
+ term->dispcurs = NULL;
- for (i=0; i<rows; i++) {
+ /* The normal screen data */
+ for (i = 0; i < term->rows; i++) {
unsigned long *ldata;
int lattr;
- scrpos.y = i + disptop;
+ int idx, dirty_line, dirty_run, selected;
+ unsigned long attr = 0;
+ int updated_line = 0;
+ int start = 0;
+ int ccount = 0;
+ int last_run_dirty = 0;
+
+ scrpos.y = i + term->disptop;
ldata = lineptr(scrpos.y);
- lattr = (ldata[cols] & LATTR_MODE);
- for (j=0; j<=cols; j++) {
- unsigned long d = ldata[j];
- int idx = i*(cols+1)+j;
+ 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];
+
+ for (j = 0; j < term->cols; j++, idx++) {
+ unsigned long tattr, tchar;
+ unsigned long *d = ldata + j;
+ int break_run;
scrpos.x = j;
-
- wanttext[idx] = lattr | (((d &~ ATTR_WRAPPED) ^ rv
- ^ (posle(selstart, scrpos) &&
- poslt(scrpos, selend) ?
- ATTR_REVERSE : 0)) |
- (i==our_curs_y && j==curs.x ? cursor : 0));
- if (blink_is_real) {
- if (has_focus && tblinker && (wanttext[idx]&ATTR_BLINK) )
- {
- wanttext[idx] &= ATTR_MASK;
- wanttext[idx] += ' ';
+
+ tchar = (*d & (CHAR_MASK | CSET_MASK));
+ tattr = (*d & (ATTR_MASK ^ CSET_MASK));
+ switch (tchar & CSET_MASK) {
+ case ATTR_ASCII:
+ tchar = term->ucsdata->unitab_line[tchar & 0xFF];
+ break;
+ case ATTR_LINEDRW:
+ tchar = term->ucsdata->unitab_xterm[tchar & 0xFF];
+ break;
+ case ATTR_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;
+
+ /* Video reversing things */
+ if (term->selstate == DRAGGING || term->selstate == SELECTED) {
+ if (term->seltype == LEXICOGRAPHIC)
+ selected = (posle(term->selstart, scrpos) &&
+ poslt(scrpos, term->selend));
+ else
+ selected = (posPle(term->selstart, scrpos) &&
+ posPlt(scrpos, term->selend));
+ } else
+ selected = FALSE;
+ tattr = (tattr ^ rv
+ ^ (selected ? ATTR_REVERSE : 0));
+
+ /* 'Real' blinking ? */
+ if (term->blink_is_real && (tattr & ATTR_BLINK)) {
+ if (term->has_focus && term->tblinker) {
+ tchar = ' ';
+ tattr &= ~CSET_MASK;
+ tattr |= ATTR_ACP;
}
- wanttext[idx] &= ~ATTR_BLINK;
+ tattr &= ~ATTR_BLINK;
}
- }
- }
- /*
- * We would perform scrolling optimisations in here, if they
- * didn't have a nasty tendency to cause the whole sodding
- * program to hang for a second at speed-critical moments.
- * We'll leave it well alone...
- */
+ /*
+ * 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)
+ tattr |= ATTR_NARROW;
+ } else if (term->disptext[idx]&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;
+ }
+
+ if ((term->disptext[idx] ^ tattr) & ATTR_WIDE)
+ dirty_line = TRUE;
+
+ break_run = (((tattr ^ attr) & term->attr_mask) ||
+ j - start >= sizeof(ch));
+
+ /* Special hack for VT100 Linedraw glyphs */
+ if ((attr & CSET_MASK) == 0x2300 && tchar >= 0xBA
+ && tchar <= 0xBD) break_run = TRUE;
- for (i=0; i<rows; i++) {
- int idx = i*(cols+1);
- int lattr = (wanttext[idx+cols] & LATTR_MODE);
- start = -1;
- for (j=0; j<=cols; j++,idx++) {
- unsigned long t = wanttext[idx];
- int needs_update = (j < cols && t != disptext[idx]);
- int keep_going = (start != -1 && needs_update &&
- (t & ATTR_MASK) == attr &&
- j-start < sizeof(ch));
- if (start != -1 && !keep_going) {
- do_text (ctx, start, i, ch, j-start, attr, lattr);
- start = -1;
+ if (!term->ucsdata->dbcs_screenfont && !dirty_line) {
+ if ((tchar | tattr) == term->disptext[idx])
+ break_run = TRUE;
+ else if (!dirty_run && ccount == 1)
+ break_run = TRUE;
}
- if (needs_update) {
- if (start == -1) {
- start = j;
- attr = t & ATTR_MASK;
+
+ if (break_run) {
+ if ((dirty_run || last_run_dirty) && ccount > 0) {
+ do_text(ctx, start, i, ch, ccount, attr, lattr);
+ updated_line = 1;
+ }
+ start = j;
+ ccount = 0;
+ attr = tattr;
+ if (term->ucsdata->dbcs_screenfont)
+ last_run_dirty = dirty_run;
+ dirty_run = dirty_line;
+ }
+
+ if ((tchar | tattr) != term->disptext[idx])
+ dirty_run = TRUE;
+ ch[ccount++] = (char) tchar;
+ term->disptext[idx] = tchar | tattr;
+
+ /* 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
+ * be on the right-hand half of this character.
+ * Ever.
+ */
+ assert(!(i == our_curs_y && j == our_curs_x));
+ if (term->disptext[idx] != *d)
+ dirty_run = TRUE;
+ term->disptext[idx] = *d;
}
- ch[j-start] = (char) (t & CHAR_MASK);
}
- disptext[idx] = t;
+ }
+ 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;
}
}
}
* Flick the switch that says if blinking things should be shown or hidden.
*/
-void term_blink(int flg) {
- static long last_blink = 0;
- static long last_tblink = 0;
+void term_blink(Terminal *term, int flg)
+{
long now, blink_diff;
- now = GetTickCount();
- blink_diff = now-last_tblink;
+ now = GETTICKCOUNT();
+ blink_diff = now - term->last_tblink;
- /* Make sure the text blinks no more than 2Hz */
- if (blink_diff<0 || blink_diff>450)
- {
- last_tblink = now;
- tblinker = !tblinker;
+ /* 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) {
- blinker = 1;
- last_blink = now;
+ term->blinker = 1;
+ term->last_blink = now;
return;
- }
+ }
- blink_diff = now-last_blink;
+ blink_diff = now - term->last_blink;
- /* Make sure the cursor blinks no faster than GetCaretBlinkTime() */
- if (blink_diff>=0 && blink_diff<(long)GetCaretBlinkTime())
- return;
-
- last_blink = now;
- blinker = !blinker;
+ /* 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;
}
/*
* Invalidate the whole screen so it will be repainted in full.
*/
-void term_invalidate(void) {
+void term_invalidate(Terminal *term)
+{
int i;
- for (i=0; i<rows*(cols+1); i++)
- disptext[i] = ATTR_INVALID;
+ for (i = 0; i < term->rows * (term->cols + 1); i++)
+ term->disptext[i] = ATTR_INVALID;
}
/*
* Paint the window in response to a WM_PAINT message.
*/
-void term_paint (Context ctx, int l, int t, int r, int b) {
- int i, j, left, top, right, bottom;
-
- left = l / font_width;
- right = (r - 1) / font_width;
- top = t / font_height;
- bottom = (b - 1) / font_height;
- for (i = top; i <= bottom && i < rows ; i++)
- {
- if ( (disptext[i*(cols+1)+cols]&LATTR_MODE) == LATTR_NORM)
- for (j = left; j <= right && j < cols ; j++)
- disptext[i*(cols+1)+j] = ATTR_INVALID;
+void term_paint(Terminal *term, Context ctx,
+ int left, int top, int right, int bottom, int immediately)
+{
+ int i, j;
+ if (left < 0) left = 0;
+ if (top < 0) top = 0;
+ if (right >= term->cols) right = term->cols-1;
+ 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)
+ for (j = left; j <= right && j < term->cols; j++)
+ term->disptext[i * (term->cols + 1) + j] = ATTR_INVALID;
else
- for (j = left/2; j <= right/2+1 && j < cols ; j++)
- disptext[i*(cols+1)+j] = ATTR_INVALID;
+ for (j = left / 2; j <= right / 2 + 1 && j < term->cols; j++)
+ term->disptext[i * (term->cols + 1) + j] = 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 ?
- do_paint (ctx, FALSE);
- */
+ */
+ if (immediately)
+ do_paint (term, ctx, FALSE);
}
/*
* to denote it is relative to the end, and 0 to denote that it is
* relative to the current position.
*/
-void term_scroll (int rel, int where) {
- int sbtop = -count234(scrollback);
-
- disptop = (rel < 0 ? 0 :
- rel > 0 ? sbtop : disptop) + where;
- if (disptop < sbtop)
- disptop = sbtop;
- if (disptop > 0)
- disptop = 0;
- update_sbar();
- term_update();
+void term_scroll(Terminal *term, int rel, int where)
+{
+ int sbtop = -count234(term->scrollback);
+#ifdef OPTIMISE_SCROLL
+ int olddisptop = term->disptop;
+ int shift;
+#endif /* OPTIMISE_SCROLL */
+
+ term->disptop = (rel < 0 ? 0 : rel > 0 ? sbtop : term->disptop) + where;
+ if (term->disptop < sbtop)
+ term->disptop = sbtop;
+ if (term->disptop > 0)
+ term->disptop = 0;
+ update_sbar(term);
+#ifdef OPTIMISE_SCROLL
+ shift = (term->disptop - olddisptop);
+ if (shift < term->rows && shift > -term->rows)
+ scroll_display(term, 0, term->rows - 1, shift);
+#endif /* OPTIMISE_SCROLL */
+ term_update(term);
}
-static void clipme(pos top, pos bottom, char *workbuf) {
- char *wbptr; /* where next char goes within workbuf */
- int wblen = 0; /* workbuf len */
- int buflen; /* amount of memory allocated to workbuf */
+static void clipme(Terminal *term, pos top, pos bottom, int rect)
+{
+ wchar_t *workbuf;
+ wchar_t *wbptr; /* where next char goes within workbuf */
+ int old_top_x;
+ int wblen = 0; /* workbuf len */
+ int buflen; /* amount of memory allocated to workbuf */
- if ( workbuf != NULL ) { /* user supplied buffer? */
- buflen = -1; /* assume buffer passed in is big enough */
- wbptr = workbuf; /* start filling here */
- }
- else
- buflen = 0; /* No data is available yet */
+ buflen = 5120; /* Default size */
+ workbuf = smalloc(buflen * sizeof(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);
pos nlpos;
+ /*
+ * nlpos will point at the maximum position on this line we
+ * should copy up to. So we start it at the end of the
+ * line...
+ */
nlpos.y = top.y;
- nlpos.x = cols;
+ nlpos.x = term->cols;
- if (!(ldata[cols] & ATTR_WRAPPED)) {
- while ((ldata[nlpos.x-1] & CHAR_MASK) == 0x20 && poslt(top, nlpos))
+ /*
+ * ... move it backwards if there's unused space at the end
+ * of the line (and also set `nl' if this is the case,
+ * 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))
decpos(nlpos);
if (poslt(nlpos, bottom))
nl = TRUE;
+ } else if (ldata[term->cols] & LATTR_WRAPPED2) {
+ /* Ignore the last char on the line in a WRAPPED2 line. */
+ decpos(nlpos);
+ }
+
+ /*
+ * ... and then clip it to the terminal x coordinate if
+ * we're doing rectangular selection. (In this case we
+ * still did the above, so that copying e.g. the right-hand
+ * column from a table doesn't fill with spaces on the
+ * right.)
+ */
+ if (rect) {
+ if (nlpos.x > bottom.x)
+ nlpos.x = bottom.x;
+ nl = (top.y < bottom.y);
}
+
while (poslt(top, bottom) && poslt(top, nlpos)) {
- int ch = (ldata[top.x] & CHAR_MASK);
- int set = (ldata[top.x] & CSET_MASK);
-
- /* VT Specials -> ISO8859-1 for Cut&Paste */
- static const unsigned char poorman2[] =
-"* # HTFFCRLF\xB0 \xB1 NLVT+ + + + + - - - - - + + + + | <=>=PI!=\xA3 \xB7 ";
-
- if (set && !cfg.rawcnp) {
- if (set == ATTR_LINEDRW && ch >= 0x60 && ch < 0x7F) {
- int x;
- if ((x = poorman2[2*(ch-0x60)+1]) == ' ')
- x = 0;
- ch = (x<<8) + poorman2[2*(ch-0x60)];
- }
+#if 0
+ char cbuf[16], *p;
+ sprintf(cbuf, "<U+%04x>", (ldata[top.x] & 0xFFFF));
+#else
+ wchar_t cbuf[16], *p;
+ int uc = (ldata[top.x] & 0xFFFF);
+ int set, c;
+
+ if (uc == UCSWIDE) {
+ top.x++;
+ continue;
}
- while(ch != 0) {
- if (cfg.rawcnp || !!(ch&0xE0)) {
- if ( wblen == buflen )
- {
- workbuf = srealloc(workbuf, buflen += 100);
- wbptr = workbuf + wblen;
+ switch (uc & CSET_MASK) {
+ case ATTR_LINEDRW:
+ if (!term->cfg.rawcnp) {
+ uc = term->ucsdata->unitab_xterm[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);
+ }
+
+ if (rv > 0) {
+ memcpy(cbuf, wbuf, rv * sizeof(wchar_t));
+ cbuf[rv] = 0;
}
- wblen++;
- *wbptr++ = (unsigned char) ch;
}
- ch>>=8;
+ }
+#endif
+
+ for (p = cbuf; *p; p++) {
+ /* Enough overhead for trailing NL and nul */
+ if (wblen >= buflen - 16) {
+ workbuf =
+ srealloc(workbuf,
+ sizeof(wchar_t) * (buflen += 100));
+ wbptr = workbuf + wblen;
+ }
+ wblen++;
+ *wbptr++ = *p;
}
top.x++;
}
if (nl) {
int i;
- for (i=0; i<sizeof(sel_nl); i++)
- {
- if ( wblen == buflen )
- {
- workbuf = srealloc(workbuf, buflen += 100);
- wbptr = workbuf + wblen;
- }
- wblen++;
+ for (i = 0; i < sel_nl_sz; i++) {
+ wblen++;
*wbptr++ = sel_nl[i];
}
}
top.y++;
- top.x = 0;
+ top.x = rect ? old_top_x : 0;
}
- write_clip (workbuf, wblen, FALSE); /* transfer to clipboard */
- if ( buflen > 0 ) /* indicates we allocated this buffer */
+#if SELECTION_NUL_TERMINATED
+ wblen++;
+ *wbptr++ = 0;
+#endif
+ write_clip(term->frontend, workbuf, wblen, FALSE); /* transfer to clipbd */
+ if (buflen > 0) /* indicates we allocated this buffer */
sfree(workbuf);
-
}
-void term_copyall (void) {
+
+void term_copyall(Terminal *term)
+{
pos top;
- top.y = -count234(scrollback);
+ top.y = -count234(term->scrollback);
top.x = 0;
- clipme(top, curs, NULL /* dynamic allocation */);
+ clipme(term, top, term->curs, 0);
+}
+
+/*
+ * The wordness array is mainly for deciding the disposition of the
+ * US-ASCII characters.
+ */
+static int wordtype(Terminal *term, int uc)
+{
+ struct ucsword {
+ int start, end, ctype;
+ };
+ static const struct ucsword ucs_words[] = {
+ {
+ 128, 160, 0}, {
+ 161, 191, 1}, {
+ 215, 215, 1}, {
+ 247, 247, 1}, {
+ 0x037e, 0x037e, 1}, /* Greek question mark */
+ {
+ 0x0387, 0x0387, 1}, /* Greek ano teleia */
+ {
+ 0x055a, 0x055f, 1}, /* Armenian punctuation */
+ {
+ 0x0589, 0x0589, 1}, /* Armenian full stop */
+ {
+ 0x0700, 0x070d, 1}, /* Syriac punctuation */
+ {
+ 0x104a, 0x104f, 1}, /* Myanmar punctuation */
+ {
+ 0x10fb, 0x10fb, 1}, /* Georgian punctuation */
+ {
+ 0x1361, 0x1368, 1}, /* Ethiopic punctuation */
+ {
+ 0x166d, 0x166e, 1}, /* Canadian Syl. punctuation */
+ {
+ 0x17d4, 0x17dc, 1}, /* Khmer punctuation */
+ {
+ 0x1800, 0x180a, 1}, /* Mongolian punctuation */
+ {
+ 0x2000, 0x200a, 0}, /* Various spaces */
+ {
+ 0x2070, 0x207f, 2}, /* superscript */
+ {
+ 0x2080, 0x208f, 2}, /* subscript */
+ {
+ 0x200b, 0x27ff, 1}, /* punctuation and symbols */
+ {
+ 0x3000, 0x3000, 0}, /* ideographic space */
+ {
+ 0x3001, 0x3020, 1}, /* ideographic punctuation */
+ {
+ 0x303f, 0x309f, 3}, /* Hiragana */
+ {
+ 0x30a0, 0x30ff, 3}, /* Katakana */
+ {
+ 0x3300, 0x9fff, 3}, /* CJK Ideographs */
+ {
+ 0xac00, 0xd7a3, 3}, /* Hangul Syllables */
+ {
+ 0xf900, 0xfaff, 3}, /* CJK Ideographs */
+ {
+ 0xfe30, 0xfe6b, 1}, /* punctuation forms */
+ {
+ 0xff00, 0xff0f, 1}, /* half/fullwidth ASCII */
+ {
+ 0xff1a, 0xff20, 1}, /* half/fullwidth ASCII */
+ {
+ 0xff3b, 0xff40, 1}, /* half/fullwidth ASCII */
+ {
+ 0xff5b, 0xff64, 1}, /* half/fullwidth ASCII */
+ {
+ 0xfff0, 0xffff, 0}, /* half/fullwidth ASCII */
+ {
+ 0, 0, 0}
+ };
+ const struct ucsword *wptr;
+
+ uc &= (CSET_MASK | CHAR_MASK);
+
+ switch (uc & CSET_MASK) {
+ case ATTR_LINEDRW:
+ uc = term->ucsdata->unitab_xterm[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;
+ }
+
+ /* For DBCS font's I can't do anything usefull. Even this will sometimes
+ * fail as there's such a thing as a double width space. :-(
+ */
+ if (term->ucsdata->dbcs_screenfont &&
+ term->ucsdata->font_codepage == term->ucsdata->line_codepage)
+ return (uc != ' ');
+
+ if (uc < 0x80)
+ return term->wordness[uc];
+
+ for (wptr = ucs_words; wptr->start; wptr++) {
+ if (uc >= wptr->start && uc <= wptr->end)
+ return wptr->ctype;
+ }
+
+ return 2;
}
/*
* Spread the selection outwards according to the selection mode.
*/
-static pos sel_spread_half (pos p, int dir) {
+static pos sel_spread_half(Terminal *term, pos p, int dir)
+{
unsigned long *ldata;
short wvalue;
+ int topy = -count234(term->scrollback);
ldata = lineptr(p.y);
- switch (selmode) {
+ switch (term->selmode) {
case SM_CHAR:
/*
* In this mode, every character is a separate unit, except
* for runs of spaces at the end of a non-wrapping line.
*/
- if (!(ldata[cols] & ATTR_WRAPPED)) {
- unsigned long *q = ldata+cols;
+ if (!(ldata[term->cols] & LATTR_WRAPPED)) {
+ unsigned long *q = ldata + term->cols;
while (q > ldata && (q[-1] & CHAR_MASK) == 0x20)
q--;
- if (q == ldata+cols)
+ if (q == ldata + term->cols)
q--;
- if (p.x >= q-ldata)
- p.x = (dir == -1 ? q-ldata : cols - 1);
+ if (p.x >= q - ldata)
+ p.x = (dir == -1 ? q - ldata : term->cols - 1);
}
break;
case SM_WORD:
* In this mode, the units are maximal runs of characters
* whose `wordness' has the same value.
*/
- wvalue = wordness[ldata[p.x] & CHAR_MASK];
+ wvalue = wordtype(term, UCSGET(ldata, p.x));
if (dir == +1) {
- while (p.x < cols && wordness[ldata[p.x+1] & CHAR_MASK] == wvalue)
- p.x++;
+ while (1) {
+ int maxcols = (ldata[term->cols] & LATTR_WRAPPED2 ?
+ term->cols-1 : term->cols);
+ if (p.x < maxcols-1) {
+ if (wordtype(term, UCSGET(ldata, p.x + 1)) == wvalue)
+ p.x++;
+ else
+ break;
+ } else {
+ if (ldata[term->cols] & LATTR_WRAPPED) {
+ unsigned long *ldata2;
+ ldata2 = lineptr(p.y+1);
+ if (wordtype(term, UCSGET(ldata2, 0)) == wvalue) {
+ p.x = 0;
+ p.y++;
+ ldata = ldata2;
+ } else
+ break;
+ } else
+ break;
+ }
+ }
} else {
- while (p.x > 0 && wordness[ldata[p.x-1] & CHAR_MASK] == wvalue)
- p.x--;
+ while (1) {
+ if (p.x > 0) {
+ if (wordtype(term, UCSGET(ldata, p.x - 1)) == wvalue)
+ p.x--;
+ else
+ break;
+ } else {
+ unsigned long *ldata2;
+ int maxcols;
+ if (p.y <= topy)
+ break;
+ ldata2 = lineptr(p.y-1);
+ maxcols = (ldata2[term->cols] & LATTR_WRAPPED2 ?
+ term->cols-1 : term->cols);
+ if (ldata2[term->cols] & LATTR_WRAPPED) {
+ if (wordtype(term, UCSGET(ldata2, maxcols-1))
+ == wvalue) {
+ p.x = maxcols-1;
+ p.y--;
+ ldata = ldata2;
+ } else
+ break;
+ } else
+ break;
+ }
+ }
}
break;
case SM_LINE:
/*
* In this mode, every line is a unit.
*/
- p.x = (dir == -1 ? 0 : cols - 1);
+ p.x = (dir == -1 ? 0 : term->cols - 1);
break;
}
return p;
}
-static void sel_spread (void) {
- selstart = sel_spread_half (selstart, -1);
- decpos(selend);
- selend = sel_spread_half (selend, +1);
- incpos(selend);
+static void sel_spread(Terminal *term)
+{
+ if (term->seltype == LEXICOGRAPHIC) {
+ term->selstart = sel_spread_half(term, term->selstart, -1);
+ decpos(term->selend);
+ term->selend = sel_spread_half(term, term->selend, +1);
+ incpos(term->selend);
+ }
+}
+
+void term_do_paste(Terminal *term)
+{
+ wchar_t *data;
+ int len;
+
+ get_clip(term->frontend, &data, &len);
+ if (data && len > 0) {
+ wchar_t *p, *q;
+
+ term_seen_key_event(term); /* pasted data counts */
+
+ if (term->paste_buffer)
+ sfree(term->paste_buffer);
+ term->paste_pos = term->paste_hold = term->paste_len = 0;
+ term->paste_buffer = smalloc(len * sizeof(wchar_t));
+
+ p = q = data;
+ while (p < data + len) {
+ while (p < data + len &&
+ !(p <= data + len - sel_nl_sz &&
+ !memcmp(p, sel_nl, sizeof(sel_nl))))
+ p++;
+
+ {
+ int i;
+ for (i = 0; i < p - q; i++) {
+ term->paste_buffer[term->paste_len++] = q[i];
+ }
+ }
+
+ if (p <= data + len - sel_nl_sz &&
+ !memcmp(p, sel_nl, sizeof(sel_nl))) {
+ term->paste_buffer[term->paste_len++] = '\015';
+ p += sel_nl_sz;
+ }
+ q = p;
+ }
+
+ /* Assume a small paste will be OK in one go. */
+ if (term->paste_len < 256) {
+ if (term->ldisc)
+ luni_send(term->ldisc, term->paste_buffer, term->paste_len, 0);
+ if (term->paste_buffer)
+ sfree(term->paste_buffer);
+ term->paste_buffer = 0;
+ term->paste_pos = term->paste_hold = term->paste_len = 0;
+ }
+ }
+ get_clip(term->frontend, NULL, NULL);
}
-void term_mouse (Mouse_Button b, Mouse_Action a, int x, int y) {
+void term_mouse(Terminal *term, Mouse_Button b, Mouse_Action a, int x, int y,
+ int shift, int ctrl, int alt)
+{
pos selpoint;
unsigned long *ldata;
-
- if (y<0) y = 0;
- if (y>=rows) y = rows-1;
- if (x<0) {
- if (y > 0) {
- x = cols-1;
- y--;
- } else
- x = 0;
+ int raw_mouse = (term->xterm_mouse &&
+ !term->cfg.no_mouse_rep &&
+ !(term->cfg.mouse_override && shift));
+ int default_seltype;
+
+ if (y < 0) {
+ y = 0;
+ if (a == MA_DRAG && !raw_mouse)
+ term_scroll(term, 0, -1);
}
- if (x>=cols) x = cols-1;
+ if (y >= term->rows) {
+ y = term->rows - 1;
+ if (a == MA_DRAG && !raw_mouse)
+ term_scroll(term, 0, +1);
+ }
+ if (x < 0) {
+ if (y > 0) {
+ x = term->cols - 1;
+ y--;
+ } else
+ x = 0;
+ }
+ if (x >= term->cols)
+ x = term->cols - 1;
- selpoint.y = y + disptop;
+ selpoint.y = y + term->disptop;
selpoint.x = x;
ldata = lineptr(selpoint.y);
- if ((ldata[cols]&LATTR_MODE) != LATTR_NORM)
+ if ((ldata[term->cols] & LATTR_MODE) != LATTR_NORM)
selpoint.x /= 2;
- if (b == MB_SELECT && a == MA_CLICK) {
- deselect();
- selstate = ABOUT_TO;
- selanchor = selpoint;
- selmode = SM_CHAR;
- } else if (b == MB_SELECT && (a == MA_2CLK || a == MA_3CLK)) {
- deselect();
- selmode = (a == MA_2CLK ? SM_WORD : SM_LINE);
- selstate = DRAGGING;
- selstart = selanchor = selpoint;
- selend = selstart;
- incpos(selend);
- sel_spread();
- } else if ((b == MB_SELECT && a == MA_DRAG) ||
- (b == MB_EXTEND && a != MA_RELEASE)) {
- if (selstate == ABOUT_TO && poseq(selanchor, selpoint))
+ if (raw_mouse) {
+ int encstate = 0, r, c;
+ char abuf[16];
+
+ if (term->ldisc) {
+
+ switch (b) {
+ case MBT_LEFT:
+ encstate = 0x20; /* left button down */
+ break;
+ case MBT_MIDDLE:
+ encstate = 0x21;
+ break;
+ case MBT_RIGHT:
+ encstate = 0x22;
+ break;
+ case MBT_WHEEL_UP:
+ encstate = 0x60;
+ break;
+ case MBT_WHEEL_DOWN:
+ encstate = 0x61;
+ break;
+ default: break; /* placate gcc warning about enum use */
+ }
+ switch (a) {
+ case MA_DRAG:
+ if (term->xterm_mouse == 1)
+ return;
+ encstate += 0x20;
+ break;
+ case MA_RELEASE:
+ encstate = 0x23;
+ term->mouse_is_down = 0;
+ break;
+ case MA_CLICK:
+ if (term->mouse_is_down == b)
+ return;
+ term->mouse_is_down = b;
+ break;
+ default: break; /* placate gcc warning about enum use */
+ }
+ if (shift)
+ 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);
+ }
+ return;
+ }
+
+ b = translate_button(term->frontend, b);
+
+ /*
+ * 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)
+ default_seltype = RECTANGULAR;
+ else
+ default_seltype = LEXICOGRAPHIC;
+
+ if (term->selstate == NO_SELECTION) {
+ term->seltype = default_seltype;
+ }
+
+ if (b == MBT_SELECT && a == MA_CLICK) {
+ deselect(term);
+ term->selstate = ABOUT_TO;
+ term->seltype = default_seltype;
+ term->selanchor = selpoint;
+ term->selmode = SM_CHAR;
+ } else if (b == MBT_SELECT && (a == MA_2CLK || a == MA_3CLK)) {
+ deselect(term);
+ term->selmode = (a == MA_2CLK ? SM_WORD : SM_LINE);
+ term->selstate = DRAGGING;
+ term->selstart = term->selanchor = selpoint;
+ term->selend = term->selstart;
+ incpos(term->selend);
+ sel_spread(term);
+ } else if ((b == MBT_SELECT && a == MA_DRAG) ||
+ (b == MBT_EXTEND && a != MA_RELEASE)) {
+ if (term->selstate == ABOUT_TO && poseq(term->selanchor, selpoint))
return;
- if (b == MB_EXTEND && a != MA_DRAG && selstate == SELECTED) {
- if (posdiff(selpoint,selstart) < posdiff(selend,selstart)/2) {
- selanchor = selend;
- decpos(selanchor);
+ if (b == MBT_EXTEND && a != MA_DRAG && term->selstate == SELECTED) {
+ if (term->seltype == LEXICOGRAPHIC) {
+ /*
+ * For normal selection, we extend by moving
+ * whichever end of the current selection is closer
+ * to the mouse.
+ */
+ if (posdiff(selpoint, term->selstart) <
+ posdiff(term->selend, term->selstart) / 2) {
+ term->selanchor = term->selend;
+ decpos(term->selanchor);
+ } else {
+ term->selanchor = term->selstart;
+ }
} else {
- selanchor = selstart;
+ /*
+ * For rectangular selection, we have a choice of
+ * _four_ places to put selanchor and selpoint: the
+ * four corners of the selection.
+ */
+ if (2*selpoint.x < term->selstart.x + term->selend.x)
+ term->selanchor.x = term->selend.x-1;
+ else
+ term->selanchor.x = term->selstart.x;
+
+ if (2*selpoint.y < term->selstart.y + term->selend.y)
+ term->selanchor.y = term->selend.y;
+ else
+ term->selanchor.y = term->selstart.y;
}
- selstate = DRAGGING;
+ term->selstate = DRAGGING;
}
- if (selstate != ABOUT_TO && selstate != DRAGGING)
- selanchor = selpoint;
- selstate = DRAGGING;
- if (poslt(selpoint, selanchor)) {
- selstart = selpoint;
- selend = selanchor;
- incpos(selend);
+ if (term->selstate != ABOUT_TO && term->selstate != DRAGGING)
+ term->selanchor = selpoint;
+ term->selstate = DRAGGING;
+ if (term->seltype == LEXICOGRAPHIC) {
+ /*
+ * For normal selection, we set (selstart,selend) to
+ * (selpoint,selanchor) in some order.
+ */
+ if (poslt(selpoint, term->selanchor)) {
+ term->selstart = selpoint;
+ term->selend = term->selanchor;
+ incpos(term->selend);
+ } else {
+ term->selstart = term->selanchor;
+ term->selend = selpoint;
+ incpos(term->selend);
+ }
} else {
- selstart = selanchor;
- selend = selpoint;
- incpos(selend);
+ /*
+ * For rectangular selection, we may need to
+ * interchange x and y coordinates (if the user has
+ * dragged in the -x and +y directions, or vice versa).
+ */
+ term->selstart.x = min(term->selanchor.x, selpoint.x);
+ term->selend.x = 1+max(term->selanchor.x, selpoint.x);
+ term->selstart.y = min(term->selanchor.y, selpoint.y);
+ term->selend.y = max(term->selanchor.y, selpoint.y);
}
- sel_spread();
- } else if ((b == MB_SELECT || b == MB_EXTEND) && a == MA_RELEASE) {
- if (selstate == DRAGGING) {
+ sel_spread(term);
+ } else if ((b == MBT_SELECT || b == MBT_EXTEND) && a == MA_RELEASE) {
+ if (term->selstate == DRAGGING) {
/*
* We've completed a selection. We now transfer the
* data to the clipboard.
*/
- clipme(selstart, selend, selspace);
- selstate = SELECTED;
+ clipme(term, term->selstart, term->selend,
+ (term->seltype == RECTANGULAR));
+ term->selstate = SELECTED;
} else
- selstate = NO_SELECTION;
- } else if (b == MB_PASTE && (a==MA_CLICK || a==MA_2CLK || a==MA_3CLK)) {
- char *data;
- int len;
-
- get_clip((void **) &data, &len);
- if (data) {
- char *p, *q;
-
- if (paste_buffer) sfree(paste_buffer);
- paste_pos = paste_hold = paste_len = 0;
- paste_buffer = smalloc(len);
-
- p = q = data;
- while (p < data+len) {
- while (p < data+len &&
- !(p <= data+len-sizeof(sel_nl) &&
- !memcmp(p, sel_nl, sizeof(sel_nl))))
- p++;
-
- {
- int i;
- unsigned char c;
- for(i=0;i<p-q;i++)
- {
- c=xlat_kbd2tty(q[i]);
- paste_buffer[paste_len++] = c;
- }
- }
-
- if (p <= data+len-sizeof(sel_nl) &&
- !memcmp(p, sel_nl, sizeof(sel_nl))) {
- paste_buffer[paste_len++] = '\r';
- p += sizeof(sel_nl);
- }
- q = p;
- }
-
- /* Assume a small paste will be OK in one go. */
- if (paste_len<256) {
- ldisc_send (paste_buffer, paste_len);
- if (paste_buffer) sfree(paste_buffer);
- paste_buffer = 0;
- paste_pos = paste_hold = paste_len = 0;
- }
- }
- get_clip(NULL, NULL);
+ term->selstate = NO_SELECTION;
+ } else if (b == MBT_PASTE
+ && (a == MA_CLICK
+#if MULTICLICK_ONLY_EVENT
+ || a == MA_2CLK || a == MA_3CLK
+#endif
+ )) {
+ request_paste(term->frontend);
}
- term_update();
+ term_update(term);
}
-void term_nopaste() {
- if(paste_len == 0) return;
- sfree(paste_buffer);
- paste_buffer = 0;
- paste_len = 0;
+void term_nopaste(Terminal *term)
+{
+ if (term->paste_len == 0)
+ return;
+ sfree(term->paste_buffer);
+ term->paste_buffer = NULL;
+ term->paste_len = 0;
+}
+
+int term_paste_pending(Terminal *term)
+{
+ return term->paste_len != 0;
}
-void term_paste() {
- static long last_paste = 0;
+void term_paste(Terminal *term)
+{
long now, paste_diff;
- if(paste_len == 0) return;
+ if (term->paste_len == 0)
+ return;
/* Don't wait forever to paste */
- if(paste_hold) {
- now = GetTickCount();
- paste_diff = now-last_paste;
- if (paste_diff>=0 && paste_diff<450)
+ if (term->paste_hold) {
+ now = GETTICKCOUNT();
+ paste_diff = now - term->last_paste;
+ if (paste_diff >= 0 && paste_diff < 450)
return;
}
- paste_hold = 0;
+ term->paste_hold = 0;
- while(paste_pos<paste_len)
- {
+ while (term->paste_pos < term->paste_len) {
int n = 0;
- while (n + paste_pos < paste_len) {
- if (paste_buffer[paste_pos + n++] == '\r')
+ while (n + term->paste_pos < term->paste_len) {
+ if (term->paste_buffer[term->paste_pos + n++] == '\015')
break;
}
- ldisc_send (paste_buffer+paste_pos, n);
- paste_pos += n;
+ if (term->ldisc)
+ luni_send(term->ldisc, term->paste_buffer + term->paste_pos, n, 0);
+ term->paste_pos += n;
- if (paste_pos < paste_len) {
- paste_hold = 1;
+ if (term->paste_pos < term->paste_len) {
+ term->paste_hold = 1;
return;
}
}
- sfree(paste_buffer);
- paste_buffer = 0;
- paste_len = 0;
+ sfree(term->paste_buffer);
+ term->paste_buffer = NULL;
+ term->paste_len = 0;
}
-static void deselect (void) {
- selstate = NO_SELECTION;
- selstart.x = selstart.y = selend.x = selend.y = 0;
+static void deselect(Terminal *term)
+{
+ term->selstate = NO_SELECTION;
+ term->selstart.x = term->selstart.y = term->selend.x = term->selend.y = 0;
}
-void term_deselect (void) {
- deselect();
- term_update();
+void term_deselect(Terminal *term)
+{
+ deselect(term);
+ term_update(term);
}
-int term_ldisc(int option) {
- if (option == LD_ECHO) return term_echoing;
- if (option == LD_EDIT) return term_editing;
+int term_ldisc(Terminal *term, int option)
+{
+ if (option == LD_ECHO)
+ return term->term_echoing;
+ if (option == LD_EDIT)
+ return term->term_editing;
return FALSE;
}
/*
* from_backend(), to get data from the backend for the terminal.
*/
-void from_backend(int is_stderr, char *data, int len) {
- while (len--) {
- if (inbuf_head >= INBUF_SIZE)
- term_out();
- inbuf[inbuf_head++] = *data++;
- }
-}
-
-/*
- * Log session traffic.
- */
-void logtraffic(unsigned char c, int logmode) {
- if (cfg.logtype > 0) {
- if (cfg.logtype == logmode) {
- /* deferred open file from pgm start? */
- if (!lgfp) logfopen();
- if (lgfp) fputc (c, lgfp);
- }
- }
-}
+int from_backend(void *vterm, int is_stderr, char *data, int len)
+{
+ Terminal *term = (Terminal *)vterm;
-/* open log file append/overwrite mode */
-void logfopen(void) {
- char buf[256];
- time_t t;
- struct tm *tm;
- char writemod[4];
+ assert(len > 0);
- if (!cfg.logtype)
- return;
- sprintf (writemod, "wb"); /* default to rewrite */
- lgfp = fopen(cfg.logfilename, "r"); /* file already present? */
- if (lgfp) {
- int i;
- fclose(lgfp);
- i = askappend(cfg.logfilename);
- if (i == 1)
- writemod[0] = 'a'; /* set append mode */
- else if (i == 0) { /* cancelled */
- lgfp = NULL;
- cfg.logtype = 0; /* disable logging */
- return;
- }
- }
+ bufchain_add(&term->inbuf, data, len);
- lgfp = fopen(cfg.logfilename, writemod);
- if (lgfp) { /* enter into event log */
- sprintf(buf, "%s session log (%s mode) to file : ",
- (writemod[0] == 'a') ? "Appending" : "Writing new",
- (cfg.logtype == LGTYP_ASCII ? "ASCII" :
- cfg.logtype == LGTYP_DEBUG ? "raw" : "<ukwn>") );
- /* Make sure we do not exceed the output buffer size */
- strncat (buf, cfg.logfilename, 128);
- buf[strlen(buf)] = '\0';
- logevent(buf);
-
- /* --- write header line iinto log file */
- fputs ("=~=~=~=~=~=~=~=~=~=~=~= PuTTY log ", lgfp);
- time(&t);
- tm = localtime(&t);
- strftime(buf, 24, "%Y.%m.%d %H:%M:%S", tm);
- fputs (buf, lgfp);
- fputs (" =~=~=~=~=~=~=~=~=~=~=~=\r\n", lgfp);
- }
+ /*
+ * term_out() always completely empties inbuf. Therefore,
+ * there's no reason at all to return anything other than zero
+ * from this function, because there _can't_ be a question of
+ * the remote side needing to wait until term_out() has cleared
+ * a backlog.
+ *
+ * This is a slightly suboptimal way to deal with SSH2 - 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:
+ * if the terminal processing goes slowly, the whole SSH
+ * connection stops accepting data until it's ready.
+ *
+ * In practice, I can't imagine this causing serious trouble.
+ */
+ return 0;
}
-void logfclose (void) {
- if (lgfp) { fclose(lgfp); lgfp = NULL; }
+void term_provide_logctx(Terminal *term, void *logctx)
+{
+ term->logctx = logctx;
}
projects / u / mdw / putty / blobdiff