Default handling of VT100 line drawing characters in cut and paste is

now to translate them into poor man's characters (+--+ and |). We also
have an option to disable this (and map line drawing characters to the
corresponding ASCII code as before). Thanks to Robert de Bath.

[originally from svn r1029]

putty.h

@@ -52,6 +52,7 @@
 #define ERASE_CHAR   (ATTR_DEFAULT | ' ')
 #define ATTR_MASK    0xFFFFFF00UL
 #define CHAR_MASK    0x000000FFUL
+#define CSET_MASK    0x00F00000UL      /* mask for character set */
 
 typedef HDC Context;
 #define SEL_NL { 13, 10 }
@@ -232,6 +233,7 @@ typedef struct {
     unsigned char colours[22][3];
     /* Selection options */
     int mouse_is_xterm;
+    int rawcnp;
     short wordness[256];
     /* translations */
     VT_Mode vtmode;

settings.c

@@ -124,6 +124,7 @@ void save_settings (char *section, int do_host, Config *cfg) {
 		cfg->colours[i][1], cfg->colours[i][2]);
 	write_setting_s (sesskey, buf, buf2);
     }
+    write_setting_i (sesskey, "RawCNP", cfg->rawcnp);
     write_setting_i (sesskey, "MouseIsXterm", cfg->mouse_is_xterm);
     for (i=0; i<256; i+=32) {
 	char buf[20], buf2[256];
@@ -296,6 +297,7 @@ void load_settings (char *section, int do_host, Config *cfg) {
 	    cfg->colours[i][2] = c2;
 	}
     }
+    gppi (sesskey, "RawCNP", 0, &cfg->rawcnp);
     gppi (sesskey, "MouseIsXterm", 0, &cfg->mouse_is_xterm);
     for (i=0; i<256; i+=32) {
 	static char *defaults[] = {

terminal.c

@@ -1948,27 +1948,24 @@ static void clipme(unsigned long *top, unsigned long *bottom, char *workbuf) {
 	}
 	while (top < nlpos && top < bottom)
 	{
-#if 0
-	    /* VT Specials -> ISO8859-1  */
-	    static const char poorman2[] =
-"* # HTFFCRLF\xB0 \xB1 NLVT+ + + + + - - - - - + + + + | <=>=PI!=\xA3 \xB7 ";
-#endif
-
 	    int ch = (*top & CHAR_MASK);
+	    int set = (*top & CSET_MASK);
 
-#if 0
+	    /* VT Specials -> ISO8859-1 for Cut&Paste */
-	    if ((*top & ATTR_LINEDRW) && ch >= 0x60 && ch < 0x7F) {
+	    static const unsigned char poorman2[] =
+"* # HTFFCRLF\xB0 \xB1 NLVT+ + + + + - - - - - + + + + | <=>=PI!=\xA3 \xB7 ";
+
+	    if (set && !cfg.rawcnp) {
+	        if (set == ATTR_LINEDRW && ch >= 0x60 && ch < 0x7F) {
 		    int x;
-		*wbptr++ = poorman2[2*(ch-0x60)];
+		    if ((x = poorman2[2*(ch-0x60)+1]) == ' ')
-		if ( (x = poorman2[2*(ch-0x60)+1]) != ' ')
+		        x = 0;
-		    *wbptr++ = x;
+		    ch = (x<<8) + poorman2[2*(ch-0x60)];
-	    } else
+	        }
-#endif
+	    }
-#if 0
+
-	    if ((*top & ATTR_GBCHR) && ch == '#')
+	    while(ch != 0) {
-		*wbptr++ = (unsigned char) 0xA3;
+		if (cfg.rawcnp || !!(ch&0xE0)) {
-	    else
-#endif
 		    if ( wblen == buflen )
 		    {
 		        workbuf = srealloc(workbuf, buflen += 100);
@@ -1976,6 +1973,9 @@ static void clipme(unsigned long *top, unsigned long *bottom, char *workbuf) {
 		    }
 		    wblen++;
 		    *wbptr++ = (unsigned char) ch;
+		}
+		ch>>=8;
+	    }
 	    top++;
 	}
 	if (nl) {

windlg.c

@@ -385,6 +385,7 @@ enum { IDCX_ABOUT = IDC_ABOUT, IDCX_TVSTATIC, IDCX_TREEVIEW, controlstartvalue,
     IDC_TITLE_SELECTION,
     IDC_BOX_SELECTION1,
     IDC_BOX_SELECTION2,
+    IDC_BOX_SELECTION3,
     IDC_MBSTATIC,
     IDC_MBWINDOWS,
     IDC_MBXTERM,
@@ -393,6 +394,7 @@ enum { IDCX_ABOUT = IDC_ABOUT, IDCX_TVSTATIC, IDCX_TREEVIEW, controlstartvalue,
     IDC_CCSET,
     IDC_CCSTATIC2,
     IDC_CCEDIT,
+    IDC_RAWCNP,
     selectionpanelend,
 
     colourspanelstart,
@@ -591,6 +593,7 @@ static void init_dlg_ctrls(HWND hwnd) {
 
     CheckRadioButton (hwnd, IDC_MBWINDOWS, IDC_MBXTERM,
 		      cfg.mouse_is_xterm ? IDC_MBXTERM : IDC_MBWINDOWS);
+    CheckDlgButton (hwnd, IDC_RAWCNP, cfg.rawcnp);
     {
 	static int tabs[4] = {25, 61, 96, 128};
 	SendDlgItemMessage (hwnd, IDC_CCLIST, LB_SETTABSTOPS, 4,
@@ -906,20 +909,25 @@ static void create_controls(HWND hwnd, int dlgtype, int panel) {
     }
 
     if (panel == selectionpanelstart) {
-        /* The Selection panel. Accelerators used: [acgo] wx hst */
+        /* The Selection panel. Accelerators used: [acgo] d wx hst */
         struct ctlpos cp;
         ctlposinit(&cp, hwnd, 80, 3, 13);
         bartitle(&cp, "Options controlling copy and paste",
                  IDC_TITLE_SELECTION);
-        beginbox(&cp, "Control which mouse button does which thing",
+        beginbox(&cp, "Translation of pasted characters",
                  IDC_BOX_SELECTION1);
+        checkbox(&cp, "&Don't translate line drawing chars into +, - and |",
+                 IDC_RAWCNP);
+        endbox(&cp);
+        beginbox(&cp, "Control which mouse button does which thing",
+                 IDC_BOX_SELECTION2);
         radiobig(&cp, "Action of mouse buttons:", IDC_MBSTATIC,
                  "&Windows (Right pastes, Middle extends)", IDC_MBWINDOWS,
                  "&xterm (Right extends, Middle pastes)", IDC_MBXTERM,
                  NULL);
         endbox(&cp);
         beginbox(&cp, "Control the select-one-word-at-a-time mode",
-                 IDC_BOX_SELECTION2);
+                 IDC_BOX_SELECTION3);
         charclass(&cp, "C&haracter classes:", IDC_CCSTATIC, IDC_CCLIST,
                   "&Set", IDC_CCSET, IDC_CCEDIT,
                   "&to class", IDC_CCSTATIC2);
@@ -1842,6 +1850,8 @@ static int GenericMainDlgProc (HWND hwnd, UINT msg,
                 SetDlgItemText (hwnd, IDC_PKEDIT, cfg.keyfile);
             }
 	    break;
+	  case IDC_RAWCNP:
+	    cfg.rawcnp = IsDlgButtonChecked (hwnd, IDC_RAWCNP);
 	  case IDC_MBWINDOWS:
 	  case IDC_MBXTERM:
 	    cfg.mouse_is_xterm = IsDlgButtonChecked (hwnd, IDC_MBXTERM);