From d685a8655e498dce26fd8883321f81132c6f026f Mon Sep 17 00:00:00 2001
From: ArthurSonzogni <sonzogniarthur@gmail.com>
Date: Sun, 18 Apr 2021 18:42:42 +0200
Subject: [PATCH] Parse mouse middle

---
 examples/util/print_key_press.cpp             |  8 ++++++++
 include/ftxui/component/event.hpp             |  6 ++++++
 src/ftxui/component/event.cpp                 | 20 ++++++++++++++++++-
 src/ftxui/component/terminal_input_parser.cpp | 15 ++++++++++++++
 src/ftxui/component/terminal_input_parser.hpp |  2 ++
 5 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/examples/util/print_key_press.cpp b/examples/util/print_key_press.cpp
index 35ef936..3cfd57f 100644
--- a/examples/util/print_key_press.cpp
+++ b/examples/util/print_key_press.cpp
@@ -41,6 +41,14 @@ class DrawKey : public Component {
         code += L"mouse_left_move(" +  //
                 std::to_wstring(keys[i].mouse_x()) + L"," +
                 std::to_wstring(keys[i].mouse_y()) + L")";
+      } else if (keys[i].is_mouse_middle_down()) {
+        code += L"mouse_middle_down(" +  //
+                std::to_wstring(keys[i].mouse_x()) + L"," +
+                std::to_wstring(keys[i].mouse_y()) + L")";
+      } else if (keys[i].is_mouse_middle_move()) {
+        code += L"mouse_middle_move(" +  //
+                std::to_wstring(keys[i].mouse_x()) + L"," +
+                std::to_wstring(keys[i].mouse_y()) + L")";
       } else if (keys[i].is_mouse_right_down()) {
         code += L"mouse_right_down(" +  //
                 std::to_wstring(keys[i].mouse_x()) + L"," +
diff --git a/include/ftxui/component/event.hpp b/include/ftxui/component/event.hpp
index 40ab123..833ac7d 100644
--- a/include/ftxui/component/event.hpp
+++ b/include/ftxui/component/event.hpp
@@ -32,6 +32,8 @@ struct Event {
   static Event MouseUp(std::string, int x, int y);
   static Event MouseLeftMove(std::string, int x, int y);
   static Event MouseLeftDown(std::string, int x, int y);
+  static Event MouseMiddleMove(std::string, int x, int y);
+  static Event MouseMiddleDown(std::string, int x, int y);
   static Event MouseRightMove(std::string, int x, int y);
   static Event MouseRightDown(std::string, int x, int y);
 
@@ -59,6 +61,8 @@ struct Event {
 
   bool is_mouse_left_down() const { return type_ == Type::MouseLeftDown; }
   bool is_mouse_left_move() const { return type_ == Type::MouseLeftMove; }
+  bool is_mouse_middle_down() const { return type_ == Type::MouseMiddleDown; }
+  bool is_mouse_middle_move() const { return type_ == Type::MouseMiddleMove; }
   bool is_mouse_right_down() const { return type_ == Type::MouseRightDown; }
   bool is_mouse_right_move() const { return type_ == Type::MouseRightMove; }
   bool is_mouse_up() const { return type_ == Type::MouseUp; }
@@ -79,6 +83,8 @@ struct Event {
     MouseUp,
     MouseLeftDown,
     MouseLeftMove,
+    MouseMiddleDown,
+    MouseMiddleMove,
     MouseRightDown,
     MouseRightMove,
   };
diff --git a/src/ftxui/component/event.cpp b/src/ftxui/component/event.cpp
index 5dc9e77..d55d46b 100644
--- a/src/ftxui/component/event.cpp
+++ b/src/ftxui/component/event.cpp
@@ -73,6 +73,22 @@ Event Event::MouseRightDown(std::string input, int x, int y) {
   return event;
 }
 
+// static
+Event Event::MouseMiddleMove(std::string input, int x, int y) {
+  Event event;
+  event.input_ = std::move(input);
+  event.type_ = Type::MouseMiddleMove;
+  event.mouse_ = {x, y};
+  return event;
+}
+
+// static
+Event Event::Special(std::string input) {
+  Event event;
+  event.input_ = std::move(input);
+  return event;
+}
+
 // static
 Event Event::MouseRightMove(std::string input, int x, int y) {
   Event event;
@@ -83,9 +99,11 @@ Event Event::MouseRightMove(std::string input, int x, int y) {
 }
 
 // static
-Event Event::Special(std::string input) {
+Event Event::MouseMiddleDown(std::string input, int x, int y) {
   Event event;
   event.input_ = std::move(input);
+  event.type_ = Type::MouseMiddleDown;
+  event.mouse_ = {x, y};
   return event;
 }
 
diff --git a/src/ftxui/component/terminal_input_parser.cpp b/src/ftxui/component/terminal_input_parser.cpp
index de73bd5..f348aeb 100644
--- a/src/ftxui/component/terminal_input_parser.cpp
+++ b/src/ftxui/component/terminal_input_parser.cpp
@@ -66,6 +66,16 @@ void TerminalInputParser::Send(TerminalInputParser::Output output) {
                                   output.mouse.y));
       break;
 
+    case MOUSE_MIDDLE_DOWN:
+      out_->Send(Event::MouseMiddleDown(std::move(pending_), output.mouse.x,
+                                      output.mouse.y));
+      break;
+
+    case MOUSE_MIDDLE_MOVE:
+      out_->Send(Event::MouseMiddleMove(std::move(pending_), output.mouse.x,
+                                  output.mouse.y));
+      break;
+
     case MOUSE_RIGHT_DOWN:
       out_->Send(Event::MouseRightDown(std::move(pending_), output.mouse.x,
                                       output.mouse.y));
@@ -211,6 +221,11 @@ TerminalInputParser::Output TerminalInputParser::ParseMouse(
     case 64:
       return Output(MOUSE_LEFT_MOVE, arguments[1], arguments[2]);
 
+    case 33:
+      return Output(MOUSE_MIDDLE_DOWN, arguments[1], arguments[2]);
+    case 65:
+      return Output(MOUSE_MIDDLE_MOVE, arguments[1], arguments[2]);
+
     case 34:
       return Output(MOUSE_RIGHT_DOWN, arguments[1], arguments[2]);
     case 66:
diff --git a/src/ftxui/component/terminal_input_parser.hpp b/src/ftxui/component/terminal_input_parser.hpp
index 72fc095..db13d59 100644
--- a/src/ftxui/component/terminal_input_parser.hpp
+++ b/src/ftxui/component/terminal_input_parser.hpp
@@ -28,6 +28,8 @@ class TerminalInputParser {
     MOUSE_MOVE,
     MOUSE_LEFT_DOWN,
     MOUSE_LEFT_MOVE,
+    MOUSE_MIDDLE_DOWN,
+    MOUSE_MIDDLE_MOVE,
     MOUSE_RIGHT_DOWN,
     MOUSE_RIGHT_MOVE,
   };