Add select all and tab controls

README.rst

@@ -125,6 +125,7 @@ Example:
   answers = inquirer.prompt(questions)
 
 Checkbox questions can take one extra argument :code:`carousel=False`. If set to true, the answers will rotate (back to first when pressing down on last choice, and down to last choice when pressing up on first choice)
+Use ctrl+a and ctrl+q to select and unselect all
 
 |inquirer checkbox|
 

src/inquirer/render/console/_checkbox.py

@@ -66,13 +66,13 @@ def get_options(self):
 
     def process_input(self, pressed):
         question = self.question
-        if pressed == key.UP:
+        if pressed in (key.UP, key.SHIFT_TAB):
             if question.carousel and self.current == 0:
                 self.current = len(question.choices) - 1
             else:
                 self.current = max(0, self.current - 1)
             return
-        elif pressed == key.DOWN:
+        elif pressed in (key.DOWN, key.CTRL_I):
             if question.carousel and self.current == len(question.choices) - 1:
                 self.current = 0
             else:
@@ -89,6 +89,11 @@ def process_input(self, pressed):
         elif pressed == key.RIGHT:
             if self.current not in self.selection:
                 self.selection.append(self.current)
+        elif pressed == key.CTRL_A:
+            for x in self.question.choices:
+                self.selection = list(range(len(self.question.choices)))
+        elif pressed == key.CTRL_Q:
+            self.selection = []
         elif pressed == key.ENTER:
             result = []
             for x in self.selection:

tests/acceptance/test_checkbox.py

@@ -57,6 +57,33 @@ def test_select_last(self):
         self.sut.send(key.ENTER)
         self.sut.expect(r"{'interests': \['Computers', 'Books', 'History'\]}.*", timeout=1)  # noqa
 
+    def test_navigate_with_tab(self):
+        self.sut.send(key.CTRL_I)
+        self.sut.send(key.LEFT)
+        self.sut.send(key.ENTER)
+        self.sut.expect(r"{'interests': \['Computers'\]}.*", timeout=1)  # noqa
+
+    # Check after merge release readchar >= dev 4.0.0
+    @unittest.SkipTest
+    def test_navigate_with_shift_tab(self):
+        self.sut.send(key.DOWN)
+        self.sut.send(key.DOWN)
+        self.sut.send(key.SHIFT_TAB)
+        self.sut.send(key.LEFT)
+        self.sut.send(key.ENTER)
+        self.sut.expect(r"{'interests': \['Computers'\]}.*", timeout=1)  # noqa
+
+    def test_select_all_with_ctrl_a(self):
+        self.sut.send(key.CTRL_A)
+        self.sut.send(key.ENTER)
+        self.sut.expect(r"{'interests': \['Computers', 'Books', 'Science', 'Nature', 'Fantasy', 'History'\]}.*", timeout=1)  # noqa
+
+    def test_unselect_all_with_ctrl_q(self):
+        self.sut.send(key.CTRL_A)
+        self.sut.send(key.CTRL_Q)
+        self.sut.send(key.ENTER)
+        self.sut.expect(r"{'interests': \[\]}.*", timeout=1)  # noqa
+
 
 @unittest.skipUnless(sys.platform.startswith("lin"), "Linux only")
 class CheckCarouselTest(unittest.TestCase):

tests/integration/console_render/test_checkbox.py

@@ -145,6 +145,19 @@ def test_move_down_carousel(self):
 
         assert result == ["bar"]
 
+    def test_move_down_with_tab_carousel(self):
+        stdin = helper.event_factory(key.CTRL_I, key.CTRL_I, key.CTRL_I, key.CTRL_I, key.SPACE, key.ENTER)
+        message = "Foo message"
+        variable = "Bar variable"
+        choices = ["foo", "bar", "bazz"]
+
+        question = questions.Checkbox(variable, message, choices=choices, carousel=True)
+
+        sut = ConsoleRender(event_generator=stdin)
+        result = sut.render(question)
+
+        assert result == ["bar"]
+
     def test_move_up_carousel(self):
         stdin = helper.event_factory(key.UP, key.SPACE, key.ENTER)
         message = "Foo message"
@@ -158,6 +171,21 @@ def test_move_up_carousel(self):
 
         assert result == ["bazz"]
 
+    # Check after merge release readchar >= dev 4.0.0
+    @unittest.SkipTest
+    def test_move_up_with_shift_tab_carousel(self):
+        stdin = helper.event_factory(key.SHIFT_TAB, key.SPACE, key.ENTER)
+        message = "Foo message"
+        variable = "Bar variable"
+        choices = ["foo", "bar", "bazz"]
+
+        question = questions.Checkbox(variable, message, choices=choices, carousel=True)
+
+        sut = ConsoleRender(event_generator=stdin)
+        result = sut.render(question)
+
+        assert result == ["bazz"]
+
     def test_ctrl_c_breaks_execution(self):
         stdin_array = [key.CTRL_C]
         stdin = helper.event_factory(*stdin_array)