new user-definable control char syntax (#873)

mintty · May 26, 2019 · aef7d25 · aef7d25
1 parent 8e51146
commit aef7d25
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Showing 3 changed files with 30 additions and 9 deletions.
diff --git a/docs/mintty.1 b/docs/mintty.1
@@ -2267,15 +2267,17 @@ in order to prevent that input of Ctrl+_ would be inhibited.
 
 Supported actions are described as follows:
 .br
-\(en \fB"string"\fP or \fB\(aqstring\(aq\fP: enters the literal string
+\(en \fB"\fP\fIstring\fP\fB"\fP or \fB\(aq\fP\fIstring\fP\fB\(aq\fP: enters the literal string
 .br
-\(en \fB\`command\` (**)\fP: enters the output of the command
+\(en \fB^\fP\fIchar\fP: enters a control char ('@'...'_' or '?' for DEL)
 .br
-\(en \fInumber (***)\fP: enters the escape sequence CSI\fInumber\fP[;\fImod\fP]~
+\(en \fB\`\fP\fIcommand\fP\fB\`\fP (**): enters the output of the command
 .br
-\(en \fBfullscreen (*)\fP: switches to fullscreen mode
+\(en \fInumber\fP (***): enters the escape sequence CSI\fInumber\fP[;\fImod\fP]~
 .br
-\(en \fBtoggle-fullscreen (*)\fP: toggles fullscreen mode
+\(en \fBfullscreen\fP (*): switches to fullscreen mode
+.br
+\(en \fBtoggle-fullscreen\fP (*): toggles fullscreen mode
 .br
 \(en \fBwin-max\fP: resizes to window size
 .br
@@ -2293,13 +2295,13 @@ Supported actions are described as follows:
 .br
 \(en \fBoptions\fP: opens the Options dialog
 .br
-\(en \fBmenu-text (*)\fP: opens the context menu at the cursor position
+\(en \fBmenu-text\fP (*): opens the context menu at the cursor position
 .br
-\(en \fBmenu-pointer (*)\fP: opens the context menu at the mouse position
+\(en \fBmenu-pointer\fP (*): opens the context menu at the mouse position
 .br
 \(en \fBsearch\fP: opens the search bar
 .br
-\(en \fBdefault-size (*)\fP: switches to default terminal size
+\(en \fBdefault-size\fP (*): switches to default terminal size
 .br
 \(en \fBscrollbar-outer\fP: toggles the scrollbar (xterm compatible)
 .br
@@ -2351,7 +2353,7 @@ Supported actions are described as follows:
 .br
 \(en \fBtoggle-char-info\fP: toggles character info display
 .br
-\(en \fBexport-html (*)\fP: exports the screen as an HTML file
+\(en \fBexport-html\fP (*): exports the screen as an HTML file
 .br
 \(en \fBprint-screen\fP: print screen contents
 .br

diff --git a/src/wininput.c b/src/wininput.c
@@ -1633,6 +1633,24 @@ pick_key_function(wstring key_commands, char * tag, int n, uint key, mod_keys mo
           ret = true;
         }
       }
+      else if (*fct == '^' && wcslen(fct) == 2) {
+        char cc[2];
+        cc[1] = ' ';
+        if (fct[1] == '?')
+          cc[1] = '\177';
+        else if (fct[1] == ' ' || (fct[1] >= '@' && fct[1] <= '_')) {
+          cc[1] = fct[1] & 0x1F;
+        }
+        if (cc[1] != ' ') {
+          if (mods & MDK_ALT) {
+            cc[0] = '\e';
+            child_send(cc, 2);
+          }
+          else
+            child_send(&cc[1], 1);
+          ret = true;
+        }
+      }
       else if (*fct == '`' && fct[wcslen(fct) - 1] == '`') {
         fct[wcslen(fct) - 1] = 0;
         char * cmd = cs__wcstombs(&fct[1]);

diff --git a/wiki/Changelog.md b/wiki/Changelog.md
@@ -45,6 +45,7 @@ Configuration
   * New user-definable key name prefix ‘*’ to define for all modifiers.
   * New user-definable modifier key assignments super and hyper.
   * New user-definable function paste-path (mintty/wsltty#161).
+  * New user-definable control char syntax (#873).
   * New prefixes U/Y (for super/hyper) for user-defined keys.
   * New user-definable numeric action, entering a function key sequence.
   * New option BellInterval to squash BEL sequences (#865).