X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fansi.c;h=e029c25d9cdc748412630d924eb872249984c421;hb=8a3aac5f5287422699c9c7c5ee8969561da7317f;hp=019422821bf5e5fe49c9c8128b2b2a0cfe680651;hpb=ab4d1b2e4c884114ecd4cba652ebcc97ef4c1a0d;p=sympathy.git

diff --git a/src/ansi.c b/src/ansi.c
index 0194228..e029c25 100644
--- a/src/ansi.c
+++ b/src/ansi.c
@@ -10,6 +10,30 @@ static char rcsid[] = "$Id$";
 
 /*
  * $Log$
+ * 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
  * @@
  *
@@ -301,21 +325,66 @@ 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;
+        }
+    }
+
+  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++;
 
@@ -433,7 +502,7 @@ 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.width; ++p.x)
     {
       if (p.x >= a->size.x)
         continue;
@@ -453,29 +522,46 @@ ansi_draw_line (ANSI * a, CRT_CA * cap, int y)
 }
 
 static void
-ansi_resize_check (ANSI * a)
+ansi_resize_check (ANSI * a, int new_width)
 {
 
-  if (!crt_pos_cmp (a->terminal->size, a->size))
-    return;
+  if ((new_width && (new_width != a->crt.width))
+      || 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 (new_width)
+        a->crt.width = new_width;
 
 // 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 */
@@ -490,9 +576,9 @@ ansi_history (ANSI * a, History * h)
 
   if (a->history_ptr == h->wptr)
     return;
-  ansi_resize_check (a);
+  ansi_resize_check (a, 0);
 
-  if ((a->size.x < CRT_COLS) || (a->size.y < CRT_ROWS))
+  if ((a->size.x < a->crt.width) || (a->size.y < CRT_ROWS))
     return;
 
   ansi_force_attr_normal (a);
@@ -519,6 +605,9 @@ ansi_history (ANSI * a, History * h)
       /*Roll HISTORY_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);
       a->terminal->xmit (a->terminal, buf, i);
@@ -538,13 +627,13 @@ ansi_history (ANSI * a, History * h)
           {
             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.width);
           }
 
         /* 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);
       }
 
     }
@@ -564,8 +653,7 @@ ansi_draw (ANSI * a, CRT * c)
   int o;
   int hidden_cursor = 0;
 
-  ansi_resize_check (a);
-
+  ansi_resize_check (a, c->width);
 
 
   for (p.y = 0; p.y < CRT_ROWS; ++p.y)
@@ -578,7 +666,7 @@ ansi_draw (ANSI * a, CRT * c)
     }
 
 
-  if ((CRT_COLS > a->size.x) || (CRT_ROWS > a->size.y))
+  if ((c->width > a->size.x) || (CRT_ROWS > a->size.y))
     {
       char msg[1024];           // = "Window is too small";
       int i;
@@ -587,7 +675,7 @@ 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->width, CRT_ROWS);
 
       ansi_showhide_cursor (a, 1);
       ansi_set_attr (a, CRT_ATTR_REVERSE);
@@ -817,7 +905,7 @@ ansi_dispatch (ANSI * a, Context * c)
 
 
   if (!a->terminal)
-    return;
+    return 0;
 
   red = a->terminal->recv (a->terminal, buf, sizeof (buf));
   if (red <= 0)
@@ -853,28 +941,33 @@ ansi_update (ANSI * a, Context * c)
   ansi_draw (a, &c->v->crt);
 }
 
-static void ansi_free(ANSI *a)
+static void
+ansi_free (ANSI * a)
 {
-      a->terminal_reset(a);
-      if (a->terminal) 
-	a->terminal->close(a->terminal);
+  a->terminal_reset (a);
+  if (a->terminal)
+    a->terminal->close (a->terminal);
 
-	free(a);
+  free (a);
 
 }
 
-ANSI *ansi_new_from_terminal(ANSI *a,TTY *t)
+ANSI *
+ansi_new_from_terminal (TTY * t, int utf8)
 {
-ANSI *ret;
+  ANSI *ret;
 
-ret=malloc(sizeof(ANSI));
-memset(ret,0,sizeof(ANSI));
+  ret = malloc (sizeof (ANSI));
+  memset (ret, 0, sizeof (ANSI));
 
-ret->terminal=t;
+  ret->terminal = t;
 
-ret->update=ansi_update;
-ret->reset=ansi_reset;
-ret->terminal_reset=ansi_terminal_reset;
-ret->close=ansi_free;
+  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;
 }