console : clear line correctely with Ctrl+C

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@4243 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

console.php

@@ -12,7 +12,13 @@
   * Allow the user to use arrow keys and the shortcuts Ctrl+arrow, Ctrl+L,
   * Ctrl+U, Ctrl+W
   * To not allow the stop of the program by Ctrl+C, you can add
-  *    exec ("stty intr ^J");
+  *     exec ("stty intr ^J");
+  * To update the window size when the terminal is resized, use after console
+  * instanciation :
+  *     declare(ticks = 1);
+  *     pcntl_signal (SIGWINCH, function () use ($console) {
+  *       $console->updateTerminalSize ();
+  *     });
   */
 class console
 {
@@ -135,6 +141,7 @@ private $usleep = 0;
   public function echo ($message)
   // {{{
   {
+$this->debug ("'$message'");
     echo $message;
     $this->lineContent .= $message;
   }
@@ -340,7 +347,7 @@ private $usleep = 0;
       {
         $this->clearLine ();
         $this->lineContent = "";
-        $this->echo ($prompt."\n");
+        echo "\r$prompt\n";
         return "";
       }
       // }}}
@@ -617,8 +624,9 @@ private $usleep = 0;
   public function clearLine ()
   // {{{
   {
-    echo "\r".str_repeat (" ", mb_strlen ($this->lineContent))."\r";
+    echo "\r\033[K";
     $this->lineContent = "";
+    $this->cursorPos = 0;
   }
   // }}}