Move terminal echo logic into st.c

The only thing differentiating ttywrite and ttysend was the potential
for echo; make this a parameter and remove ttysend.

Signed-off-by: Devin J. Pohly <djpohly@gmail.com>

3 files changed, 19 insertions, 25 deletions

diff --git a/st.c b/st.c
index b7e215e..7d546da 100644
--- a/st.c
+++ b/st.c
@@ -784,12 +784,15 @@ ttyread(void)
 }
 
 void
-ttywrite(const char *s, size_t n)
+ttywrite(const char *s, size_t n, int may_echo)
 {
         fd_set wfd, rfd;
         ssize_t r;
         size_t lim = 256;
 
+        if (may_echo && IS_SET(MODE_ECHO))
+                twrite(s, n, 1);
+
         /*
          * Remember that we are using a pty, which might be a modem line.
          * Writing too much will clog the line. That's why we are doing this
@@ -841,14 +844,6 @@ write_error:
 }
 
 void
-ttysend(char *s, size_t n)
-{
-        ttywrite(s, n);
-        if (IS_SET(MODE_ECHO))
-                twrite(s, n, 1);
-}
-
-void
 ttyresize(int tw, int th)
 {
         struct winsize w;
@@ -1570,7 +1565,7 @@ csihandle(void)
                 break;
         case 'c': /* DA -- Device Attributes */
                 if (csiescseq.arg[0] == 0)
-                        ttywrite(vtiden, strlen(vtiden));
+                        ttywrite(vtiden, strlen(vtiden), 0);
                 break;
         case 'C': /* CUF -- Cursor <n> Forward */
         case 'a': /* HPR -- Cursor <n> Forward */
@@ -1698,7 +1693,7 @@ csihandle(void)
                 if (csiescseq.arg[0] == 6) {
                         len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
                                         term.c.y+1, term.c.x+1);
-                        ttywrite(buf, len);
+                        ttywrite(buf, len, 0);
                 }
                 break;
         case 'r': /* DECSTBM -- Set Scrolling Region */
@@ -1916,7 +1911,7 @@ iso14755(const Arg *arg)
             (*e != '\n' && *e != '\0'))
                 return;
 
-        ttysend(uc, utf8encode(utf32, uc));
+        ttywrite(uc, utf8encode(utf32, uc), 1);
 }
 
 void
@@ -2129,7 +2124,7 @@ tcontrolcode(uchar ascii)
         case 0x99:   /* TODO: SGCI */
                 break;
         case 0x9a:   /* DECID -- Identify Terminal */
-                ttywrite(vtiden, strlen(vtiden));
+                ttywrite(vtiden, strlen(vtiden), 0);
                 break;
         case 0x9b:   /* TODO: CSI */
         case 0x9c:   /* TODO: ST */
@@ -2201,7 +2196,7 @@ eschandle(uchar ascii)
                 }
                 break;
         case 'Z': /* DECID -- Identify Terminal */
-                ttywrite(vtiden, strlen(vtiden));
+                ttywrite(vtiden, strlen(vtiden), 0);
                 break;
         case 'c': /* RIS -- Reset to inital state */
                 treset();
diff --git a/st.h b/st.h
index a34e31c..d7738a0 100644
--- a/st.h
+++ b/st.h
@@ -176,8 +176,7 @@ void tsetdirtattr(int);
 void ttynew(char *, char *, char **);
 size_t ttyread(void);
 void ttyresize(int, int);
-void ttysend(char *, size_t);
-void ttywrite(const char *, size_t);
+void ttywrite(const char *, size_t, int);
 
 void resettitle(void);
 
diff --git a/x.c b/x.c
index a7f619e..49a22e4 100644
--- a/x.c
+++ b/x.c
@@ -390,7 +390,7 @@ mousereport(XEvent *e)
                 return;
         }
 
-        ttywrite(buf, len);
+        ttywrite(buf, len, 0);
 }
 
 void
@@ -408,7 +408,7 @@ bpress(XEvent *e)
         for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
                 if (e->xbutton.button == ms->b
                                 && match(ms->mask, e->xbutton.state)) {
-                        ttysend(ms->s, strlen(ms->s));
+                        ttywrite(ms->s, strlen(ms->s), 1);
                         return;
                 }
         }
@@ -520,10 +520,10 @@ selnotify(XEvent *e)
                 }
 
                 if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
-                        ttywrite("\033[200~", 6);
-                ttysend((char *)data, nitems * format / 8);
+                        ttywrite("\033[200~", 6, 0);
+                ttywrite((char *)data, nitems * format / 8, 1);
                 if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
-                        ttywrite("\033[201~", 6);
+                        ttywrite("\033[201~", 6, 0);
                 XFree(data);
                 /* number of 32-bit chunks returned */
                 ofs += nitems * format / 32;
@@ -1634,12 +1634,12 @@ focus(XEvent *ev)
                 win.state |= WIN_FOCUSED;
                 xseturgency(0);
                 if (IS_SET(MODE_FOCUS))
-                        ttywrite("\033[I", 3);
+                        ttywrite("\033[I", 3, 0);
         } else {
                 XUnsetICFocus(xw.xic);
                 win.state &= ~WIN_FOCUSED;
                 if (IS_SET(MODE_FOCUS))
-                        ttywrite("\033[O", 3);
+                        ttywrite("\033[O", 3, 0);
         }
 }
 
@@ -1714,7 +1714,7 @@ kpress(XEvent *ev)
 
         /* 2. custom keys from config.h */
         if ((customkey = kmap(ksym, e->state))) {
-                ttysend(customkey, strlen(customkey));
+                ttywrite(customkey, strlen(customkey), 1);
                 return;
         }
 
@@ -1733,7 +1733,7 @@ kpress(XEvent *ev)
                         len = 2;
                 }
         }
-        ttysend(buf, len);
+        ttywrite(buf, len, 1);
 }