Rethink the whole line discipline architecture. Instead of having

[u/mdw/putty] / terminal.c

diff --git a/terminal.c b/terminal.c
index 49c0ddf..0f4504a 100644 (file)
--- a/terminal.c
+++ b/terminal.c
@@ -78,6 +78,8 @@ 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];
 
@@ -183,6 +185,8 @@ static void power_on(void) {
     rvideo = 0;
     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;
@@ -707,6 +711,10 @@ static void toggle_mode (int mode, int query, int state) {
       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;
@@ -724,16 +732,8 @@ static void toggle_mode (int mode, int query, int state) {
        insert = state;
        break;
       case 12:                        /* set echo mode */
-       /* 
-        * This may be very good in smcup and rmcup (or smkx & rmkx) if you
-        * have a long RTT and the telnet client/daemon doesn't understand
-        * linemode.
-        *
-        * DONT send TS_RECHO/TS_LECHO; the telnet daemon tries to fix the
-        * tty and _really_ confuses some programs.
-        */
-       compatibility2(OTHER,VT220);
-        ldisc = (state? &ldisc_simple : &ldisc_term);
+        term_echoing = !state;
+        ldisc_send(NULL, 0);           /* cause ldisc to notice changes */
        break;
       case 20:                        /* Return sends ... */
        cr_lf_return = state;
@@ -804,7 +804,7 @@ static int beep_overload = 0;
                 * An xterm returns "xterm" (5 characters)
                 */
                compatibility(OTHER);
-               ldisc->send ("PuTTY", 5);
+               ldisc_send ("PuTTY", 5);
                break;
              case '\007':
                beep_count++; 
@@ -1056,7 +1056,7 @@ static int beep_overload = 0;
                break;
              case 'Z':                /* terminal type query */
                compatibility(VT100);
-               ldisc->send (id_string, strlen(id_string));
+               ldisc_send (id_string, strlen(id_string));
                break;
              case 'c':                /* restore power-on settings */
                compatibility(VT100);
@@ -1199,16 +1199,16 @@ static int beep_overload = 0;
              case 'c':                /* terminal type query */
                compatibility(VT100);
                /* This is the response for a VT102 */
-               ldisc->send (id_string, strlen(id_string));
+               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));
+                   ldisc_send (buf, strlen(buf));
                }
                else if (esc_args[0] == 5) {
-                   ldisc->send ("\033[0n", 4);
+                   ldisc_send ("\033[0n", 4);
                }
                break;
              case 'h':                /* toggle modes to high */
@@ -1420,7 +1420,7 @@ static int beep_overload = 0;
                    if (i == 0 || i == 1) {
                        strcpy (buf, "\033[2;1;1;112;112;1;0x");
                        buf[2] += i;
-                       ldisc->send (buf, 20);
+                       ldisc_send (buf, 20);
                    }
                }
                break;
@@ -1692,7 +1692,7 @@ static int beep_overload = 0;
                termstate = VT52_Y1;
                break;
              case 'Z':
-               ldisc->send ("\033/Z", 3);
+               ldisc_send ("\033/Z", 3);
                break;
              case '=':
                app_keypad_keys = TRUE;
@@ -2162,7 +2162,7 @@ void term_mouse (Mouse_Button b, Mouse_Action a, int x, int y) {
 
            /* Assume a small paste will be OK in one go. */
            if (paste_len<256) {
-               ldisc->send (paste_buffer, paste_len);
+               ldisc_send (paste_buffer, paste_len);
                if (paste_buffer) sfree(paste_buffer);
                paste_buffer = 0;
                paste_pos = paste_hold = paste_len = 0;
@@ -2203,7 +2203,7 @@ void term_paste() {
            if (paste_buffer[paste_pos + n++] == '\r')
                break;
        }
-       ldisc->send (paste_buffer+paste_pos, n);
+       ldisc_send (paste_buffer+paste_pos, n);
        paste_pos += n;
 
        if (paste_pos < paste_len) {
@@ -2226,6 +2226,12 @@ void term_deselect (void) {
     term_update();
 }
 
+int term_ldisc(int option) {
+    if (option == LD_ECHO) return term_echoing;
+    if (option == LD_EDIT) return term_editing;
+    return FALSE;
+}
+
 /*
  * from_backend(), to get data from the backend for the terminal.
  */