Merge pull request #174 from php-school/Lynesth-patch-1

Allow ESC key to "cancel" editing an input

Author: AydinHassan

composer.json

@@ -21,7 +21,7 @@
     "require": {
         "php" : ">=7.1",
         "beberlei/assert": "^2.4 | ^3",
-        "php-school/terminal": "dev-master",
+        "php-school/terminal": "^0.2",
         "ext-posix": "*"
     },
     "autoload" : {

src/CliMenu.php

@@ -214,7 +214,7 @@ public function disableDefaultControlMappings() : void
     public function setDefaultControlMappings(array $defaultControlMappings) : void
     {
         $this->defaultControlMappings = $defaultControlMappings;
-    }    
+    }
 
     /**
      * Adds a custom control mapping

src/Input/InputIO.php

@@ -40,6 +40,8 @@ public function collect(Input $input) : InputResult
 
         $inputValue = $input->getPlaceholderText();
         $havePlaceHolderValue = !empty($inputValue);
+        
+        $originalValue = $inputValue;
 
         $reader = new NonCanonicalReader($this->terminal);
 
@@ -59,6 +61,9 @@ public function collect(Input $input) : InputResult
 
             if ($char->isHandledControl()) {
                 switch ($char->getControl()) {
+                    case InputCharacter::ESC:
+                        $this->parentMenu->redraw();
+                        return new InputResult($originalValue);
                     case InputCharacter::ENTER:
                         if ($input->validate($inputValue)) {
                             $this->parentMenu->redraw();