Moved the example to its own file

examples/component/CMakeLists.txt

@@ -38,6 +38,7 @@ example(radiobox)
 example(radiobox_in_frame)
 example(renderer)
 example(resizable_split)
+example(selectable_input)
 example(slider)
 example(slider_direction)
 example(slider_rgb)

examples/component/input.cpp

@@ -12,7 +12,6 @@
 #include "ftxui/dom/elements.hpp"  // for text, hbox, separator, Element, operator|, vbox, border
 #include "ftxui/util/ref.hpp"  // for Ref
 
-
 int main() {
   using namespace ftxui;
 
@@ -21,10 +20,6 @@ int main() {
   std::string last_name;
   std::string password;
   std::string phoneNumber;
-  Region selection;
-  std::string textToCopy;
-
-  auto screen = ScreenInteractive::TerminalOutput();
 
   // The basic input components:
   Component input_first_name = Input(&first_name, "first name");
@@ -64,22 +59,10 @@ int main() {
                text("Hello " + first_name + " " + last_name),
                text("Your password is " + password),
                text("Your phone number is " + phoneNumber),
-               text("select_start " + std::to_string(selection.startx) + ";" + std::to_string(selection.starty)),
-               text("select_end " + std::to_string(selection.endx) + ";" + std::to_string(selection.endy)),
-               text("textToCopy " + textToCopy)
            }) |
-           border | selectable([&textToCopy](std::string txtSelected){textToCopy = txtSelected;});
+           border;
-  });
-
-  // TODO: Implement the double click on word to select the word
-  // TODO: Implement the double click and drag to select word by word (optional)
-  // TODO: Implement the tripple click to select an entire line 
-  // TODO: Add a "selectable" flag in the pixel class and take it into account when selecting things
-
-  renderer |= CatchEvent([&](Event event) { 
-
-    return selectableCatchEvent(event);    
   });
 
+  auto screen = ScreenInteractive::TerminalOutput();
   screen.Loop(renderer);
 }

examples/component/selectable_input.cpp

@@ -0,0 +1,85 @@
+// Copyright 2020 Arthur Sonzogni. All rights reserved.
+// Use of this source code is governed by the MIT license that can be found in
+// the LICENSE file.
+#include <memory>  // for allocator, __shared_ptr_access
+#include <string>  // for char_traits, operator+, string, basic_string
+
+#include "ftxui/component/captured_mouse.hpp"  // for ftxui
+#include "ftxui/component/component.hpp"       // for Input, Renderer, Vertical
+#include "ftxui/component/component_base.hpp"  // for ComponentBase
+#include "ftxui/component/component_options.hpp"  // for InputOption
+#include "ftxui/component/screen_interactive.hpp"  // for Component, ScreenInteractive
+#include "ftxui/dom/elements.hpp"  // for text, hbox, separator, Element, operator|, vbox, border
+#include "ftxui/util/ref.hpp"  // for Ref
+
+
+int main() {
+  using namespace ftxui;
+
+  // The data:
+  std::string first_name;
+  std::string last_name;
+  std::string password;
+  std::string phoneNumber;
+  Region selection;
+  std::string textToCopy;
+
+  auto screen = ScreenInteractive::TerminalOutput();
+
+  // The basic input components:
+  Component input_first_name = Input(&first_name, "first name");
+  Component input_last_name = Input(&last_name, "last name");
+
+  // The password input component:
+  InputOption password_option;
+  password_option.password = true;
+  Component input_password = Input(&password, "password", password_option);
+
+  // The phone number input component:
+  // We are using `CatchEvent` to filter out non-digit characters.
+  Component input_phone_number = Input(&phoneNumber, "phone number");
+  input_phone_number |= CatchEvent([&](Event event) {
+    return event.is_character() && !std::isdigit(event.character()[0]);
+  });
+  input_phone_number |= CatchEvent([&](Event event) {
+    return event.is_character() && phoneNumber.size() > 10;
+  });
+
+  // The component tree:
+  auto component = Container::Vertical({
+      input_first_name,
+      input_last_name,
+      input_password,
+      input_phone_number,
+  });
+
+  // Tweak how the component tree is rendered:
+  auto renderer = Renderer(component, [&] {
+    return vbox({
+               hbox(text(" First name : "), input_first_name->Render()),
+               hbox(text(" Last name  : "), input_last_name->Render()),
+               hbox(text(" Password   : "), input_password->Render()),
+               hbox(text(" Phone num  : "), input_phone_number->Render()),
+               separator(),
+               text("Hello " + first_name + " " + last_name),
+               text("Your password is " + password),
+               text("Your phone number is " + phoneNumber),
+               text("select_start " + std::to_string(selection.startx) + ";" + std::to_string(selection.starty)),
+               text("select_end " + std::to_string(selection.endx) + ";" + std::to_string(selection.endy)),
+               text("textToCopy " + textToCopy)
+           }) |
+           border | selectable([&textToCopy](std::string txtSelected){textToCopy = txtSelected;});
+  });
+
+  // TODO: Implement the double click on word to select the word
+  // TODO: Implement the double click and drag to select word by word (optional)
+  // TODO: Implement the tripple click to select an entire line 
+  // TODO: Add a "selectable" flag in the pixel class and take it into account when selecting things
+
+  renderer |= CatchEvent([&](Event event) { 
+
+    return selectableCatchEvent(event);    
+  });
+
+  screen.Loop(renderer);
+}