From 0030dc908abe01705612bd157a64cfc8b62bd1d1 Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Tue, 7 Apr 2009 22:36:11 +0200
Subject: [PATCH] Removed the control codes from the string and use the octal
 notation.

---
 selector.cc | 35 +++++++++++++++++++++++------------
 1 file changed, 23 insertions(+), 12 deletions(-)

diff --git a/selector.cc b/selector.cc
index c936029..cf9df59 100644
--- a/selector.cc
+++ b/selector.cc
@@ -746,6 +746,17 @@ int main(int argc, char **argv) {
 
   update_screen(&current_line, &temporary_line, 0, nb_lines, lines, cursor_position, pattern);
 
+  // \000 ^@
+  // \001 ^A
+  // ...
+  // \032 ^Z
+  // \033 ^[
+  // \034 ^\
+  // \035 ^]
+  // \036 ^^
+  // \037 ^_
+  // \177 ^?
+
   do {
 
     key = getch();
@@ -766,7 +777,7 @@ int main(int argc, char **argv) {
       pattern[cursor_position++] = key;
     }
 
-    else if(key == KEY_BACKSPACE || key == '' || key == '') {
+    else if(key == KEY_BACKSPACE || key == '\010' || key == '\177') {
       if(cursor_position > 0) {
         if(pattern[cursor_position]) {
           int c = cursor_position-1;
@@ -781,7 +792,7 @@ int main(int argc, char **argv) {
       }
     }
 
-    else if(key == KEY_DC || key == '') {
+    else if(key == KEY_DC || key == '\004') {
       if(pattern[cursor_position]) {
         int c = cursor_position;
         while(pattern[c]) {
@@ -807,35 +818,35 @@ int main(int argc, char **argv) {
       motion = -10;
     }
 
-    else if(key == KEY_DOWN || key == '') {
+    else if(key == KEY_DOWN || key == '\014') {
       motion = 1;
     }
 
-    else if(key == KEY_UP || key == '') {
+    else if(key == KEY_UP || key == '\016') {
       motion = -1;
     }
 
-    else if(key == KEY_LEFT || key == '') {
+    else if(key == KEY_LEFT || key == '\002') {
       if(cursor_position > 0) cursor_position--;
     }
 
-    else if(key == KEY_RIGHT || key == '') {
+    else if(key == KEY_RIGHT || key == '\006') {
       if(pattern[cursor_position]) cursor_position++;
     }
 
-    else if(key == '
') {
+    else if(key == '\001') {
       cursor_position = 0;
     }
 
-    else if(key == '') {
+    else if(key == '\005') {
       cursor_position = strlen(pattern);
     }
 
-    else if(key == '') {
+    else if(key == '\022') {
       use_regexp = !use_regexp;
     }
 
-    else if(key == '') {
+    else if(key == '\025') {
       int s = 0;
       while(pattern[cursor_position + s]) {
         pattern[s] = pattern[cursor_position + s];
@@ -845,14 +856,14 @@ int main(int argc, char **argv) {
       cursor_position = 0;
     }
 
-    else if(key == '') {
+    else if(key == '\013') {
       pattern[cursor_position] = '\0';
     }
 
     update_screen(&current_line, &temporary_line, motion,
                   nb_lines, lines, cursor_position, pattern);
 
-  } while(key != '\n' && key != KEY_ENTER && key != '');
+  } while(key != '\n' && key != KEY_ENTER && key != '\007');
 
   echo();
   curs_set(1);
-- 
2.20.1