X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fansi.c;h=42f6a4c650476b752907670e96b36dbfcbc55c1d;hb=76292c6be7fcbabad9ab8687eb01f3af51568a9b;hp=3504750aa708eced4fad6862283d4dc28a845a7b;hpb=8a1addb4968e2aca9b801b09e5c8c640233dfa6e;p=sympathy.git

diff --git a/src/ansi.c b/src/ansi.c
index 3504750..42f6a4c 100644
--- a/src/ansi.c
+++ b/src/ansi.c
@@ -10,6 +10,39 @@ static char rcsid[] = "$Id$";
 
 /*
  * $Log$
+ * Revision 1.33  2008/02/27 09:42:21  james
+ * *** empty log message ***
+ *
+ * Revision 1.32  2008/02/26 23:56:12  james
+ * *** empty log message ***
+ *
+ * Revision 1.31  2008/02/26 23:23:17  james
+ * *** empty log message ***
+ *
+ * Revision 1.30  2008/02/24 00:42:53  james
+ * *** empty log message ***
+ *
+ * Revision 1.29  2008/02/23 11:48:37  james
+ * *** empty log message ***
+ *
+ * Revision 1.28  2008/02/22 17:07:00  james
+ * *** empty log message ***
+ *
+ * Revision 1.27  2008/02/20 22:54:22  staffcvs
+ * *** empty log message ***
+ *
+ * Revision 1.26  2008/02/20 20:16:07  james
+ * *** empty log message ***
+ *
+ * Revision 1.25  2008/02/20 19:44:37  james
+ * @@
+ *
+ * Revision 1.24  2008/02/20 19:36:06  james
+ * @@
+ *
+ * Revision 1.23  2008/02/20 19:25:09  james
+ * *** empty log message ***
+ *
  * Revision 1.22  2008/02/15 03:32:07  james
  * *** empty log message ***
  *
@@ -80,7 +113,7 @@ static char rcsid[] = "$Id$";
 #include "project.h"
 
 
-void
+static void
 ansi_move (ANSI * a, CRT_Pos p)
 {
   char buf[16];
@@ -170,7 +203,7 @@ ansi_move (ANSI * a, CRT_Pos p)
 }
 
 
-void
+static void
 ansi_showhide_cursor (ANSI * a, int hide)
 {
   if (a->hide_cursor == hide)
@@ -189,7 +222,7 @@ ansi_showhide_cursor (ANSI * a, int hide)
 }
 
 
-void
+static void
 ansi_force_attr_normal (ANSI * a)
 {
   a->terminal->xmit (a->terminal, "\033[0m", 4);
@@ -197,7 +230,7 @@ ansi_force_attr_normal (ANSI * a)
   a->color = ANSI_INVAL;
 }
 
-void
+static void
 ansi_set_color (ANSI * a, int color)
 {
   int dif;
@@ -238,7 +271,7 @@ ansi_set_color (ANSI * a, int color)
     }
 }
 
-void
+static void
 ansi_set_attr (ANSI * a, int attr)
 {
   int dif;
@@ -295,21 +328,66 @@ ansi_set_attr (ANSI * a, int attr)
 
 }
 
+static void
+ascii_emit (TTY * t, uint32_t ch)
+{
+  int i;
+
+/*Some quick obvious subsititons for quotation marks*/
+  switch (ch)
+    {
+    case 0x2018:
+      ch = '`';
+      break;
+    case 0x2019:
+      ch = '\'';
+      break;
+    case 0x201c:
+    case 0x201d:
+      ch = '"';
+      break;
+    }
+
+/*Short cut the easy stuff*/
+  if (ch < 0x7f)
+    {
+      uint8_t c = ch;
+      t->xmit (t, &c, 1);
+      return;
+    }
+
+  for (i = 0; i < VT102_CHARSET_SIZE; ++i)
+    {
+      if (vt102_charset_gl[i] == ch)
+        {
+          uint8_t c[3] = { 016, i, 017 };
+          t->xmit (t, &c, 3);
+          return;
+        }
+    }
 
-void
+  t->xmit (t, "?", 1);
+
+}
+
+static void
 ansi_render (ANSI * a, CRT_CA ca)
 {
   int dif;
 
-  if (ca.chr < 32)
-    ca.chr = ' ';
-  if (ca.chr > 126)
+  if ((ca.chr < VT102_CHARSET_SIZE) && (vt102_charset_c0[ca.chr]))
+    ca.chr = vt102_charset_c0[ca.chr];
+
+  if ((ca.chr >= 0x80) && (ca.chr < 0xa0))
     ca.chr = ' ';
 
   ansi_set_attr (a, ca.attr);
   ansi_set_color (a, ca.color);
 
-  a->terminal->xmit (a->terminal, &ca.chr, 1);
+  if (a->utf8)
+    utf8_emit (a->terminal, ca.chr);
+  else
+    ascii_emit (a->terminal, ca.chr);
 
   a->pos.x++;
 
@@ -321,7 +399,7 @@ ansi_render (ANSI * a, CRT_CA ca)
 
 }
 
-void
+static void
 ansi_cls (ANSI * a)
 {
   CRT_Pos p = { 0 };
@@ -368,7 +446,7 @@ ansi_scroll_up (ANSI * a, CRT_Pos s, CRT_Pos e)
 }
 
 
-void
+static void
 ansi_spot_scroll_up (ANSI * a, CRT * c)
 {
   int l, n, p;
@@ -403,7 +481,7 @@ ansi_spot_scroll_up (ANSI * a, CRT * c)
 
 }
 
-void
+static void
 ansi_spot_scroll (ANSI * a, CRT * c)
 {
 
@@ -421,13 +499,13 @@ ansi_spot_scroll (ANSI * a, CRT * c)
 #endif
 
 
-void
+static void
 ansi_draw_line (ANSI * a, CRT_CA * cap, int y)
 {
   CRT_Pos p = { 0, y };
   CRT_CA *acap = &a->crt.screen[CRT_ADDR_POS (&p)];
 
-  for (p.x = 0; p.x < CRT_COLS; ++p.x)
+  for (p.x = 0; p.x < a->crt.size.x; ++p.x)
     {
       if (p.x >= a->size.x)
         continue;
@@ -446,53 +524,73 @@ ansi_draw_line (ANSI * a, CRT_CA * cap, int y)
     }
 }
 
-void
-ansi_resize_check (ANSI * a)
+static void
+ansi_resize_check (ANSI * a, CRT_Pos *size)
 {
 
-  if (!crt_pos_cmp (a->terminal->size, a->size))
-    return;
+  if ((size && crt_pos_cmp(a->crt.size,*size))
+      || crt_pos_cmp (a->terminal->size, a->size))
+    {
 
-  terminal_getsize (a->terminal);
+      terminal_getsize (a->terminal);
 
-  a->size = a->terminal->size;
+      a->size = a->terminal->size;
 
-  a->pos.x = ANSI_INVAL;
-  a->hide_cursor = ANSI_INVAL;
+      a->pos.x = ANSI_INVAL;
+      a->hide_cursor = ANSI_INVAL;
+
+      crt_reset (&a->crt);
 
-  crt_reset (&a->crt);
+      if (size)
+        a->crt.size =*size;
 
 // FIXME: -- echos back crap?
 //  a->terminal->xmit (a->terminal, "\033[c", 3);
 
-  ansi_cls (a);
-  a->terminal->xmit (a->terminal, "\033=", 2);
-  a->terminal->xmit (a->terminal, "\033[?6l", 5);
-  a->terminal->xmit (a->terminal, "\033[r", 3);
+// maybe - issue 132 column command if we're 132?
+
+      ansi_cls (a);
+      a->terminal->xmit (a->terminal, "\033=", 2);
+      a->terminal->xmit (a->terminal, "\033[?6l", 5);
+      a->terminal->xmit (a->terminal, "\033[r", 3);
+      if (a->utf8)
+        {
+          a->terminal->xmit (a->terminal, "\033%G", 3);
+        }
+      else
+        {
+          a->terminal->xmit (a->terminal, "\033(B", 3);
+          a->terminal->xmit (a->terminal, "\033)0", 3);
+          a->terminal->xmit (a->terminal, "\017", 1);
+        }
 
+    }
 }
 
-#define HISTORY_GUESS_SCROLL 24 /*guess all 24 lines usually scroll */
 /*if they haven't then ansi_draw will patch it up*/
 
-void
+static void
 ansi_history (ANSI * a, History * h)
 {
   char buf[32];
   int i;
+      int guess_scroll;
 /*Do we need to catch up on history?*/
 
   if (a->history_ptr == h->wptr)
     return;
-  ansi_resize_check (a);
+  ansi_resize_check (a, NULL);
 
-  if ((a->size.x < CRT_COLS) || (a->size.y < CRT_ROWS))
+  if ((a->size.x < a->crt.size.x) || (a->size.y < a->crt.size.y))
     return;
 
+  guess_scroll=a->crt.size.y-1; /*Bototm line should be a status line*/
+
+
   ansi_force_attr_normal (a);
   ansi_set_color (a, CRT_COLOR_NORMAL);
 
-  i = sprintf (buf, "\033[%d;%dr", 1, HISTORY_GUESS_SCROLL);
+  i = sprintf (buf, "\033[%d;%dr", 1, guess_scroll);
   a->terminal->xmit (a->terminal, buf, i);
 
 
@@ -510,11 +608,14 @@ ansi_history (ANSI * a, History * h)
       ansi_draw_line (a, e->line, 0);
 
 
-      /*Roll HISTORY_GUESS_SCROLL lines up putting the top line into the xterm's history */
+      /*Roll guess_scroll lines up putting the top line into the xterm's history */
 
 
+      /*Make extra lines a predictable colour */
+      ansi_set_color (a, CRT_COLOR_NORMAL);
+
       ansi_showhide_cursor (a, 1);
-      i = sprintf (buf, "\033[%d;%dH", HISTORY_GUESS_SCROLL, 1);
+      i = sprintf (buf, "\033[%d;%dH", guess_scroll, 1);
       a->terminal->xmit (a->terminal, buf, i);
       a->terminal->xmit (a->terminal, "\033D", 2);
       a->pos.x = ANSI_INVAL;
@@ -528,17 +629,17 @@ ansi_history (ANSI * a, History * h)
         0};
 
         /*scroll lines up */
-        for (s.y++; s.y < HISTORY_GUESS_SCROLL; s.y++, e.y++)
+        for (s.y++; s.y < guess_scroll; s.y++, e.y++)
           {
             memcpy (&a->crt.screen[CRT_ADDR_POS (&e)],
                     &a->crt.screen[CRT_ADDR_POS (&s)],
-                    sizeof (CRT_CA) * CRT_COLS);
+                    sizeof (CRT_CA) * a->crt.size.x);
           }
 
         /* erase new line */
         s.y = e.y;
         e.x = CRT_COLS - 1;
-        crt_erase (&a->crt, s, e, 1);
+        crt_erase (&a->crt, s, e, 1, CRT_COLOR_NORMAL);
       }
 
     }
@@ -551,18 +652,17 @@ ansi_history (ANSI * a, History * h)
 
 
 
-void
+static void
 ansi_draw (ANSI * a, CRT * c)
 {
   CRT_Pos p;
   int o;
   int hidden_cursor = 0;
 
-  ansi_resize_check (a);
-
+  ansi_resize_check (a, &c->size);
 
 
-  for (p.y = 0; p.y < CRT_ROWS; ++p.y)
+  for (p.y = 0; p.y < a->crt.size.y; ++p.y)
     {
       if (p.y >= a->size.y)
         continue;
@@ -572,7 +672,7 @@ ansi_draw (ANSI * a, CRT * c)
     }
 
 
-  if ((CRT_COLS > a->size.x) || (CRT_ROWS > a->size.y))
+  if ((c->size.x > a->size.x) || (c->size.y > a->size.y))
     {
       char msg[1024];           // = "Window is too small";
       int i;
@@ -581,7 +681,7 @@ ansi_draw (ANSI * a, CRT * c)
 
       i =
         sprintf (msg, "Window too small (%dx%d need %dx%d)", a->size.x,
-                 a->size.y, CRT_COLS, CRT_ROWS);
+                 a->size.y, c->size.x, c->size.y);
 
       ansi_showhide_cursor (a, 1);
       ansi_set_attr (a, CRT_ATTR_REVERSE);
@@ -606,23 +706,23 @@ ansi_draw (ANSI * a, CRT * c)
   ansi_showhide_cursor (a, a->crt.hide_cursor);
 }
 
-void
+static void
 ansi_reset (ANSI * a, CRT * c)
 {
   a->size.x = -1;
   ansi_draw (a, c ? c : &a->crt);
 }
 
-void
+static void
 ansi_terminal_reset (ANSI * a)
 {
-  CRT_Pos p = { 0, CRT_ROWS };
+  CRT_Pos p = { 0, a->crt.size.y};
   ansi_force_attr_normal (a);
 
   ansi_move (a, p);
 }
 
-void
+static void
 ansi_flush_escape (ANSI * a, Context * c)
 {
   ANSI_Parser *p = &a->parser;
@@ -637,7 +737,7 @@ ansi_flush_escape (ANSI * a, Context * c)
   p->in_escape = 0;
 }
 
-void
+static void
 ansi_parse_deckey (ANSI * a, Context * c)
 {
   ANSI_Parser *p = &a->parser;
@@ -664,7 +764,7 @@ ansi_parse_deckey (ANSI * a, Context * c)
   p->escape_ptr = 0;
 }
 
-void
+static void
 ansi_parse_ansikey (ANSI * a, Context * c)
 {
   ANSI_Parser *p = &a->parser;
@@ -690,7 +790,7 @@ ansi_parse_ansikey (ANSI * a, Context * c)
 
 
 
-void
+static void
 ansi_parse_escape (ANSI * a, Context * c)
 {
   ANSI_Parser *p = &a->parser;
@@ -739,7 +839,7 @@ ansi_parse_escape (ANSI * a, Context * c)
 }
 
 
-void
+static void
 ansi_check_escape (ANSI * a, Context * c)
 {
   ANSI_Parser *p = &a->parser;
@@ -763,7 +863,7 @@ ansi_check_escape (ANSI * a, Context * c)
 }
 
 
-void
+static void
 ansi_parse_char (ANSI * a, Context * c, int ch)
 {
   ANSI_Parser *p = &a->parser;
@@ -794,7 +894,7 @@ ansi_parse_char (ANSI * a, Context * c, int ch)
 
 }
 
-void
+static void
 ansi_parse (ANSI * a, Context * c, char *buf, int len)
 {
   while (len--)
@@ -811,7 +911,7 @@ ansi_dispatch (ANSI * a, Context * c)
 
 
   if (!a->terminal)
-    return;
+    return 0;
 
   red = a->terminal->recv (a->terminal, buf, sizeof (buf));
   if (red <= 0)
@@ -840,9 +940,40 @@ ansi_dispatch (ANSI * a, Context * c)
 }
 
 
-void
+static void
 ansi_update (ANSI * a, Context * c)
 {
   ansi_history (a, c->h);
   ansi_draw (a, &c->v->crt);
 }
+
+static void
+ansi_free (ANSI * a)
+{
+  a->terminal_reset (a);
+  if (a->terminal)
+    a->terminal->close (a->terminal);
+
+  free (a);
+
+}
+
+ANSI *
+ansi_new_from_terminal (TTY * t, int utf8)
+{
+  ANSI *ret;
+
+  ret = malloc (sizeof (ANSI));
+  memset (ret, 0, sizeof (ANSI));
+
+  ret->terminal = t;
+
+  ret->utf8 = utf8;
+  ret->update = ansi_update;
+  ret->reset = ansi_reset;
+  ret->terminal_reset = ansi_terminal_reset;
+  ret->close = ansi_free;
+  ret->dispatch = ansi_dispatch;
+
+  return ret;
+}