[dev] [st][dev 4/4] Add 8 bit version of DCS, APC, PM, OSC

[Roberto E. Vargas Caballero]

DCS, APC, PM, OSC version for 7 bits environments already was implemented
in st.  This patch adds the 8 bit version of it.
---
 st.c | 39 ++++++++++++++++++++++++++++++++-------
 1 file changed, 32 insertions(+), 7 deletions(-)

diff --git a/st.c b/st.c
index e4fab61..982f0f6 100644
--- a/st.c
+++ b/st.c
@@ -405,6 +405,7 @@ static void ttyread(void);
 static void ttyresize(void);
 static void ttysend(char *, size_t);
 static void ttywrite(const char *, size_t);
+static void tstrsequence(uchar c);
 
 static void xdraws(char *, Glyph, int, int, int, int);
 static void xhints(void);
@@ -2359,6 +2360,30 @@ tdeftran(char ascii) {
 }
 
 void
+tstrsequence(uchar c) {
+       if (c & 0x80) {
+               switch (c) {
+               case 0x90:   /* DCS -- Device Control String */
+                       c = 'P';
+                       break;
+               case 0x9f:   /* APC -- Application Program Command */
+                       c = '_';
+                       break;
+               case 0x9e:   /* PM -- Privacy Message */
+                       c = '^';
+                       break;
+               case 0x9d:   /* OSC -- Operating System Command */
+                       c = ']';
+                       break;
+               }
+       }
+       strreset();
+       strescseq.type = c;
+       term.esc |= ESC_STR;
+       return;
+}
+
+void
 tcontrolcode(uchar ascii) {
        static char question[UTF_SIZ] = "?";
 
@@ -2421,17 +2446,19 @@ tcontrolcode(uchar ascii) {
        case 0x8d:   /* TODO: RI */
        case 0x8e:   /* TODO: SS2 */
        case 0x8f:   /* TODO: SS3 */
-       case 0x90:   /* TODO: DCS */
        case 0x98:   /* TODO: SOS */
        case 0x9a:   /* DECID -- Identify Terminal */
                ttywrite(VT102ID, sizeof(VT102ID) - 1);
                break;
        case 0x9b:   /* TODO: CSI */
        case 0x9c:   /* TODO: ST */
-       case 0x9d:   /* TODO: OSC */
-       case 0x9e:   /* TODO: PM */
-       case 0x9f:   /* TODO: APC */
                break;
+       case 0x90:   /* DCS -- Device Control String */
+       case 0x9f:   /* APC -- Application Program Command */
+       case 0x9e:   /* PM -- Privacy Message */
+       case 0x9d:   /* OSC -- Operating System Command */
+               tstrsequence(ascii);
+               return;
        }
        /* only CAN, SUB, \a and C1 chars interrupt a sequence */
        term.esc &= ~(ESC_STR_END|ESC_STR);
@@ -2547,9 +2574,7 @@ tputc(char *c, int len) {
                        case '^': /* PM -- Privacy Message */
                        case ']': /* OSC -- Operating System Command */
                        case 'k': /* old title set compatibility */
-                               strreset();
-                               strescseq.type = ascii;
-                               term.esc |= ESC_STR;
+                               tstrsequence(ascii);
                                return;
                        case '(': /* set primary charset G0 */
                        case ')': /* set secondary charset G1 */
-- 
1.8.5.3