Improve mouse support

CMakeLists.txt

@@ -83,6 +83,7 @@ add_library(component
   include/ftxui/component/event.hpp
   include/ftxui/component/input.hpp
   include/ftxui/component/menu.hpp
+  include/ftxui/component/mouse.hpp
   include/ftxui/component/radiobox.hpp
   include/ftxui/component/receiver.hpp
   include/ftxui/component/screen_interactive.hpp

examples/util/print_key_press.cpp

@@ -11,6 +11,60 @@
 
 using namespace ftxui;
 
+std::wstring Stringify(Event event) {
+  std::wstring out;
+  for (auto& it : event.input())
+    out += L" " + std::to_wstring((unsigned int)it);
+
+  out = L"(" + out + L" ) -> ";
+  if (event.is_character()) {
+    out += std::wstring(L"character(") + event.character() + L")";
+  } else if (event.is_mouse()) {
+    out += L"mouse";
+    switch (event.mouse().button) {
+      case Mouse::Left:
+        out += L"_left";
+        break;
+      case Mouse::Middle:
+        out += L"_middle";
+        break;
+      case Mouse::Right:
+        out += L"_right";
+        break;
+      case Mouse::None:
+        out += L"_none";
+        break;
+      case Mouse::WheelUp:
+        out += L"_wheel_up";
+        break;
+      case Mouse::WheelDown:
+        out += L"_wheel_down";
+        break;
+    }
+    switch (event.mouse().motion) {
+      case Mouse::Pressed:
+        out += L"_pressed";
+        break;
+      case Mouse::Released:
+        out += L"_released";
+        break;
+    }
+    if (event.mouse().control)
+      out += L"_control";
+    if (event.mouse().shift)
+      out += L"_shift";
+    if (event.mouse().meta)
+      out += L"_meta";
+
+    out += L"(" +  //
+            std::to_wstring(event.mouse().x) + L"," +
+            std::to_wstring(event.mouse().y) + L")";
+  } else {
+    out += L"(special)";
+  }
+  return out;
+}
+
 class DrawKey : public Component {
  public:
   ~DrawKey() override = default;
@@ -18,49 +72,7 @@ class DrawKey : public Component {
   Element Render() override {
     Elements children;
     for (size_t i = std::max(0, (int)keys.size() - 20); i < keys.size(); ++i) {
-      std::wstring code;
+      children.push_back(text(Stringify(keys[i])));
-      for (auto& it : keys[i].input())
-        code += L" " + std::to_wstring((unsigned int)it);
-
-      code = L"(" + code + L" ) -> ";
-      if (keys[i].is_character()) {
-        code += std::wstring(L"character(") + keys[i].character() + L")";
-      } else if (keys[i].is_mouse_move()) {
-        code += L"mouse_move(" +  //
-                std::to_wstring(keys[i].mouse_x()) + L"," +
-                std::to_wstring(keys[i].mouse_y()) + L")";
-      } else if (keys[i].is_mouse_up()) {
-        code += L"mouse_up(" +  //
-                std::to_wstring(keys[i].mouse_x()) + L"," +
-                std::to_wstring(keys[i].mouse_y()) + L")";
-      } else if (keys[i].is_mouse_left_down()) {
-        code += L"mouse_left_down(" +  //
-                std::to_wstring(keys[i].mouse_x()) + L"," +
-                std::to_wstring(keys[i].mouse_y()) + L")";
-      } else if (keys[i].is_mouse_left_move()) {
-        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"," +
-                std::to_wstring(keys[i].mouse_y()) + L")";
-      } else if (keys[i].is_mouse_right_move()) {
-        code += L"mouse_right_move(" +  //
-                std::to_wstring(keys[i].mouse_x()) + L"," +
-                std::to_wstring(keys[i].mouse_y()) + L")";
-      } else {
-        code += L"(special)";
-      }
-      children.push_back(text(code));
     }
     return window(text(L"keys"), vbox(std::move(children)));
   }

include/ftxui/component/event.hpp

@@ -2,6 +2,7 @@
 #define FTXUI_COMPONENT_EVENT_HPP
 
 #include <array>
+#include <ftxui/component/mouse.hpp>
 #include <ftxui/component/receiver.hpp>
 #include <functional>
 #include <string>
@@ -28,14 +29,7 @@ struct Event {
 
   static Event Character(std::string);
   static Event Special(std::string);
-  static Event MouseMove(std::string, int x, int y);
+  static Event Mouse(std::string, Mouse mouse);
-  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);
   static Event CursorReporting(std::string, int x, int y);
 
   // --- Arrow ---
@@ -60,51 +54,38 @@ struct Event {
   bool is_character() const { return type_ == Type::Character;}
   wchar_t character() const { return character_; }
 
-  bool is_mouse() const;
+  bool is_mouse() const { return type_ == Type::Mouse; }
-  bool is_mouse_left_down() const { return type_ == Type::MouseLeftDown; }
+  struct Mouse& mouse() {
-  bool is_mouse_left_move() const { return type_ == Type::MouseLeftMove; }
+    return mouse_;
-  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; }
-  bool is_mouse_move() const { return type_ == Type::MouseMove; }
   bool is_cursor_reporting() const { return type_ == Type::CursorReporting; }
-  int mouse_x() const { return mouse_.x; }
+  int cursor_x() const { return cursor_.x; }
-  int mouse_y() const { return mouse_.y; }
+  int cursor_y() const { return cursor_.y; }
 
   const std::string& input() const { return input_; }
 
   bool operator==(const Event& other) const { return input_ == other.input_; }
 
-  void MoveMouse(int dx, int dy);
-
   //--- State section ----------------------------------------------------------
  private:
   enum class Type {
     Unknown,
     Character,
-    MouseMove,
+    Mouse,
-    MouseUp,
-    MouseLeftDown,
-    MouseLeftMove,
-    MouseMiddleDown,
-    MouseMiddleMove,
-    MouseRightDown,
-    MouseRightMove,
     CursorReporting,
   };
+  Type type_ = Type::Unknown;
 
-  struct Mouse {
+  struct Cursor {
     int x;
     int y;
   };
 
-  Type type_ = Type::Unknown;
-
   union {
     wchar_t character_ = U'?';
-    Mouse mouse_;
+    struct Mouse mouse_;
+    struct Cursor cursor_;
   };
   std::string input_;
 };

include/ftxui/component/mouse.hpp

@@ -0,0 +1,41 @@
+namespace ftxui {
+
+/// @brief A mouse event. It contains the coordinate of the mouse, the button
+/// pressed and the modifier (shift, ctrl, meta).
+/// @ingroup component
+struct Mouse {
+  enum Button {
+    Left = 0,
+    Middle = 1,
+    Right = 2,
+    None = 3,
+    WheelUp = 4,
+    WheelDown = 5,
+  };
+
+  enum Motion {
+    Released = 0,
+    Pressed = 1,
+  };
+
+  // Button
+  Button button;
+
+  // Motion
+  Motion motion;
+
+  // Modifiers:
+  bool shift;
+  bool meta;
+  bool control;
+
+  // Coordinates:
+  int x;
+  int y;
+};
+
+}  // namespace ftxui
+
+// 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.

src/ftxui/component/button.cpp

@@ -10,12 +10,11 @@ Element Button::Render() {
 }
 
 bool Button::OnEvent(Event event) {
-  if (event.is_mouse() && box_.Contain(event.mouse_x(), event.mouse_y())) {
+  if (event.is_mouse() && box_.Contain(event.mouse().x, event.mouse().y)) {
-    if (event.is_mouse_move()) {
     TakeFocus();
-      return true;
+
-    }
+    if (event.mouse().button == Mouse::Left &&
-    if (event.is_mouse_left_down()) {
+        event.mouse().motion == Mouse::Pressed) {
       on_click();
       return true;
     }

src/ftxui/component/checkbox.cpp

@@ -26,15 +26,13 @@ bool CheckBox::OnEvent(Event event) {
 }
 
 bool CheckBox::OnMouseEvent(Event event) {
-  if (!box_.Contain(event.mouse_x(), event.mouse_y()))
+  if (!box_.Contain(event.mouse().x, event.mouse().y))
     return false;
 
-  if (event.is_mouse_move()) {
   TakeFocus();
-    return true;
-  }
 
-  if (event.is_mouse_left_down()) {
+  if (event.mouse().button == Mouse::Left &&
+      event.mouse().motion == Mouse::Pressed) {
     state = !state;
     on_change();
     return true;

src/ftxui/component/event.cpp

@@ -29,56 +29,11 @@ Event Event::Character(wchar_t c) {
 }
 
 // static
-Event Event::MouseMove(std::string input, int x, int y) {
+Event Event::Mouse(std::string input, struct Mouse mouse) {
   Event event;
   event.input_ = std::move(input);
-  event.type_ = Type::MouseMove;
+  event.type_ = Type::Mouse;
-  event.mouse_ = {x, y};
+  event.mouse_ = mouse;
-  return event;
-}
-
-// static
-Event Event::MouseUp(std::string input, int x, int y) {
-  Event event;
-  event.input_ = std::move(input);
-  event.type_ = Type::MouseUp;
-  event.mouse_ = {x, y};
-  return event;
-}
-
-// static
-Event Event::MouseLeftDown(std::string input, int x, int y) {
-  Event event;
-  event.input_ = std::move(input);
-  event.type_ = Type::MouseLeftDown;
-  event.mouse_ = {x, y};
-  return event;
-}
-
-// static
-Event Event::MouseLeftMove(std::string input, int x, int y) {
-  Event event;
-  event.input_ = std::move(input);
-  event.type_ = Type::MouseLeftMove;
-  event.mouse_ = {x, y};
-  return event;
-}
-
-// static
-Event Event::MouseRightDown(std::string input, int x, int y) {
-  Event event;
-  event.input_ = std::move(input);
-  event.type_ = Type::MouseRightDown;
-  event.mouse_ = {x, 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;
 }
 
@@ -90,54 +45,15 @@ Event Event::Special(std::string input) {
 }
 
 // static
-Event Event::MouseRightMove(std::string input, int x, int y) {
-  Event event;
-  event.input_ = std::move(input);
-  event.type_ = Type::MouseRightMove;
-  event.mouse_ = {x, y};
-  return event;
-}
-
-// static
-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;
-}
-
 Event Event::CursorReporting(std::string input, int x, int y) {
   Event event;
   event.input_ = std::move(input);
   event.type_ = Type::CursorReporting;
-  event.mouse_ = {x, y};
+  event.cursor_.x = x;
+  event.cursor_.y = y;
   return event;
 }
 
-bool Event::is_mouse() const {
-  switch (type_) {
-    case Type::Unknown:
-    case Type::Character:
-    case Type::CursorReporting:
-      return false;
-    case Type::MouseMove:
-    case Type::MouseUp:
-    case Type::MouseLeftDown:
-    case Type::MouseLeftMove:
-    case Type::MouseMiddleDown:
-    case Type::MouseMiddleMove:
-    case Type::MouseRightDown:
-    case Type::MouseRightMove:
-      return true;
-  };
-}
-
-void Event::MoveMouse(int dx, int dy) {
-  mouse_.x += dx;
-  mouse_.y += dy;
-}
-
 // --- Arrow ---
 const Event Event::ArrowLeft = Event::Special("\x1B[D");
 const Event Event::ArrowRight = Event::Special("\x1B[C");

src/ftxui/component/menu.cpp

@@ -61,12 +61,13 @@ bool Menu::OnEvent(Event event) {
 
 bool Menu::OnMouseEvent(Event event) {
   for (int i = 0; i < boxes_.size(); ++i) {
-    if (!boxes_[i].Contain(event.mouse_x(), event.mouse_y()))
+    if (!boxes_[i].Contain(event.mouse().x, event.mouse().y))
       continue;
 
-    focused = i;
-    if (event.is_mouse_left_down()) {
     TakeFocus();
+    focused = i;
+    if (event.mouse().button == Mouse::Left &&
+        event.mouse().motion == Mouse::Released) {
       if (selected != i) {
         selected = i;
         on_change();

src/ftxui/component/radiobox.cpp

@@ -56,16 +56,14 @@ bool RadioBox::OnEvent(Event event) {
 
 bool RadioBox::OnMouseEvent(Event event) {
   for (int i = 0; i < boxes_.size(); ++i) {
-    if (!boxes_[i].Contain(event.mouse_x(), event.mouse_y()))
+    if (!boxes_[i].Contain(event.mouse().x, event.mouse().y))
       continue;
 
-    if (event.is_mouse_move()) {
     focused = i;
     TakeFocus();
-      return true;
-    }
 
-    if (event.is_mouse_left_down()) {
+    if (event.mouse().button == Mouse::Left &&
+        event.mouse().motion == Mouse::Pressed) {
       cursor_position = i;
       TakeFocus();
       if (selected != i) {

src/ftxui/component/screen_interactive.cpp

@@ -146,19 +146,53 @@ void EventListener(std::atomic<bool>* quit, Sender<Event> out) {
 
 #endif
 
-static const char SHOW_CURSOR[] = "\x1B[?25h";
+const std::string CSI = "\x1b[";
-static const char HIDE_CURSOR[] = "\x1B[?25l";
 
-static const char ENABLE_LINE_WRAP[] = "\x1B[7h";
+// DEC: Digital Equipment Corporation
-static const char DISABLE_LINE_WRAP[] = "\x1B[7l";
+enum class DECMode {
+  kLineWrap = 7,
+  kMouseX10 = 9,
+  kCursor = 25,
+  kMouseVt200 = 1000,
+  kMouseAnyEvent = 1003,
+  kMouseUtf8 = 1005,
+  kMouseSgrExtMode = 1006,
+  kMouseUrxvtMode = 1015,
+  kMouseSgrPixelsMode = 1016,
+  kAlternateScreen = 1049,
+};
 
-static const char USE_ALTERNATIVE_SCREEN[] = "\x1B[?1049h";
+// Device Status Report (DSR) {
-static const char USE_NORMAL_SCREEN[] = "\x1B[?1049l";
+enum class DSRMode {
+  kCursor = 6,
+};
 
-static const char ENABLE_MOUSE[] = "\x1B[?1000;1003;1006;1015h";
+const std::string Serialize(std::vector<DECMode> parameters) {
-static const char DISABLE_MOUSE[] = "\x1B[?1000;1003;1006;1015l";
+  bool first = true;
+  std::string out;
+  for (DECMode parameter : parameters) {
+    if (!first)
+      out += ";";
+    out += std::to_string(int(parameter));
+    first = false;
+  }
+  return out;
+}
 
-static const char REQUEST_CURSOR_LINE[] = "\x1b[6n";
+// DEC Private Mode Set (DECSET)
+const std::string Set(std::vector<DECMode> parameters) {
+  return CSI + "?" + Serialize(parameters) + "h";
+}
+
+// DEC Private Mode Reset (DECRST)
+const std::string Reset(std::vector<DECMode> parameters) {
+  return CSI + "?" + Serialize(parameters) + "l";
+}
+
+// Device Status Report (DSR)
+const std::string DeviceStatusReport(DSRMode ps) {
+  return CSI + std::to_string(int(ps)) + "n";
+}
 
 using SignalHandler = void(int);
 std::stack<std::function<void()>> on_exit_functions;
@@ -279,24 +313,44 @@ void ScreenInteractive::Loop(Component* component) {
   install_signal_handler(SIGWINCH, OnResize);
 #endif
 
+  // Commit state:
+  auto flush = [&] {
+    Flush();
+    on_exit_functions.push([] { Flush(); });
+  };
+
+  auto enable = [&](std::vector<DECMode> parameters) {
+    std::cout << Set(parameters);
+    on_exit_functions.push([=] { std::cout << Reset(parameters); });
+  };
+
+  auto disable = [&](std::vector<DECMode> parameters) {
+    std::cout << Reset(parameters);
+    on_exit_functions.push([=] { std::cout << Set(parameters); });
+  };
+
+  flush();
+
   if (use_alternative_screen_) {
-    std::cout << USE_ALTERNATIVE_SCREEN;
+    enable({
-    on_exit_functions.push([] { std::cout << USE_NORMAL_SCREEN; });
+        DECMode::kAlternateScreen,
+    });
   }
 
-  std::cout << ENABLE_MOUSE;
+  // On exit, reset cursor one line after the current drawing.
-  on_exit_functions.push([] { std::cout << DISABLE_MOUSE; });
+  on_exit_functions.push(
+      [=] { std::cout << reset_cursor_position << std::endl; });
 
-  // Hide the cursor and show it at exit.
+  disable({
-  std::cout << HIDE_CURSOR;
+      DECMode::kCursor,
-  std::cout << DISABLE_LINE_WRAP;
+      DECMode::kLineWrap,
-  Flush();
+  });
-  on_exit_functions.push([&] {
+
-    std::cout << reset_cursor_position;
+  enable({
-    std::cout << SHOW_CURSOR;
+      //DECMode::kMouseVt200,
-    std::cout << ENABLE_LINE_WRAP;
+      DECMode::kMouseAnyEvent,
-    std::cout << std::endl;
+      DECMode::kMouseUtf8,
-    Flush();
+      DECMode::kMouseSgrExtMode,
   });
 
   auto event_listener =
@@ -307,8 +361,8 @@ void ScreenInteractive::Loop(Component* component) {
     if (!event_receiver_->HasPending()) {
       std::cout << reset_cursor_position << ResetPosition();
       static int i = -2;
-      if (i % 30 == 0)
+      if (i % 10 == 0)
-        std::cout << REQUEST_CURSOR_LINE;
+        std::cout << DeviceStatusReport(DSRMode::kCursor);
       ++i;
       Draw(component);
       std::cout << ToString() << set_cursor_position;
@@ -321,13 +375,15 @@ void ScreenInteractive::Loop(Component* component) {
       break;
 
     if (event.is_cursor_reporting()) {
-      cursor_x_ = event.mouse_y();
+      cursor_x_ = event.cursor_x();
-      cursor_y_ = event.mouse_x();
+      cursor_y_ = event.cursor_y();
       continue;
     }
 
-    if (event.is_mouse())
+    if (event.is_mouse()) {
-      event.MoveMouse(-cursor_x_, -cursor_y_);
+      event.mouse().x -= cursor_x_;
+      event.mouse().y -= cursor_y_;
+    }
 
     component->OnEvent(event);
   }

src/ftxui/component/terminal_input_parser.cpp

@@ -36,62 +36,28 @@ void TerminalInputParser::Send(TerminalInputParser::Output output) {
       return;
 
     case DROP:
-      break;
+      pending_.clear();
+      return;
 
     case CHARACTER:
       out_->Send(Event::Character(std::move(pending_)));
-      break;
+      return;
 
     case SPECIAL:
       out_->Send(Event::Special(std::move(pending_)));
-      break;
+      return;
 
-    case MOUSE_MOVE:
+    case MOUSE:
-      out_->Send(
+      out_->Send(Event::Mouse(std::move(pending_), output.mouse));
-          Event::MouseMove(std::move(pending_), output.mouse.x, output.mouse.y));
+      return;
-      break;
-
-    case MOUSE_UP:
-      out_->Send(
-          Event::MouseUp(std::move(pending_), output.mouse.x, output.mouse.y));
-      break;
-
-    case MOUSE_LEFT_DOWN:
-      out_->Send(Event::MouseLeftDown(std::move(pending_), output.mouse.x,
-                                      output.mouse.y));
-      break;
-
-    case MOUSE_LEFT_MOVE:
-      out_->Send(Event::MouseLeftMove(std::move(pending_), output.mouse.x,
-                                  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));
-      break;
-
-    case MOUSE_RIGHT_MOVE:
-      out_->Send(Event::MouseRightMove(std::move(pending_), output.mouse.x,
-                                  output.mouse.y));
-      break;
 
     case CURSOR_REPORTING:
-      out_->Send(Event::CursorReporting(std::move(pending_), output.mouse.x,
+      out_->Send(Event::CursorReporting(std::move(pending_), output.cursor.x,
-                                        output.mouse.y));
+                                        output.cursor.y));
-      break;
+      return;
   }
-  pending_.clear();
+  // NOT_REACHED().
+
 }
 
 TerminalInputParser::Output TerminalInputParser::Parse() {
@@ -166,12 +132,18 @@ TerminalInputParser::Output TerminalInputParser::ParseDCS() {
 }
 
 TerminalInputParser::Output TerminalInputParser::ParseCSI() {
+  bool altered = false;
   int argument;
   std::vector<int> arguments;
   while (true) {
     if (!Eat())
       return UNCOMPLETED;
 
+    if (Current() == '<') {
+      altered = true;
+      continue;
+    }
+
     if (Current() >= '0' && Current() <= '9') {
       argument *= 10;
       argument += int(Current() - '0');
@@ -189,7 +161,9 @@ TerminalInputParser::Output TerminalInputParser::ParseCSI() {
       argument = 0;
       switch (Current()) {
         case 'M':
-          return ParseMouse(std::move(arguments));
+          return ParseMouse(altered, true, std::move(arguments));
+        case 'm':
+          return ParseMouse(altered, false, std::move(arguments));
         case 'R':
           return ParseCursorReporting(std::move(arguments));
         default:
@@ -219,41 +193,34 @@ TerminalInputParser::Output TerminalInputParser::ParseOSC() {
 }
 
 TerminalInputParser::Output TerminalInputParser::ParseMouse(
+    bool altered,
+    bool pressed,
     std::vector<int> arguments) {
   if (arguments.size() != 3)
     return SPECIAL;
-  switch(arguments[0]) {
-    case 32:
-      return Output(MOUSE_LEFT_DOWN, arguments[1], arguments[2]);
-    case 64:
-      return Output(MOUSE_LEFT_MOVE, arguments[1], arguments[2]);
 
-    case 33:
+  (void)altered;
-      return Output(MOUSE_MIDDLE_DOWN, arguments[1], arguments[2]);
-    case 65:
-      return Output(MOUSE_MIDDLE_MOVE, arguments[1], arguments[2]);
 
-    case 34:
+  Output output(MOUSE);
-      return Output(MOUSE_RIGHT_DOWN, arguments[1], arguments[2]);
+  output.mouse.button = Mouse::Button((arguments[0] & 3) +  //
-    case 66:
+                                      ((arguments[0] & 64) >> 4));
-      return Output(MOUSE_RIGHT_MOVE, arguments[1], arguments[2]);
+  output.mouse.motion = Mouse::Motion(pressed);
-
+  output.mouse.shift = arguments[0] & 4;
-    case 35:
+  output.mouse.meta = arguments[0] & 8;
-      return Output(MOUSE_UP, arguments[1], arguments[2]);
+  output.mouse.control = arguments[0] & 16;
-    case 67:
+  output.mouse.x = arguments[1];
-      return Output(MOUSE_MOVE, arguments[1], arguments[2]);
+  output.mouse.y = arguments[2];
-
+  return output;
-    default:
-      return Output(MOUSE_MOVE, arguments[1], arguments[2]);
-  }
-  return SPECIAL;
 }
 
 TerminalInputParser::Output TerminalInputParser::ParseCursorReporting(
     std::vector<int> arguments) {
   if (arguments.size() != 2)
     return SPECIAL;
-  return Output(CURSOR_REPORTING, arguments[0], arguments[1]);
+  Output output(CURSOR_REPORTING);
+  output.cursor.y = arguments[0];
+  output.cursor.x = arguments[1];
+  return output;
 }
 
 }  // namespace ftxui

src/ftxui/component/terminal_input_parser.hpp

@@ -24,31 +24,23 @@ class TerminalInputParser {
     DROP,
     CHARACTER,
     SPECIAL,
-    MOUSE_UP,
+    MOUSE,
-    MOUSE_MOVE,
-    MOUSE_LEFT_DOWN,
-    MOUSE_LEFT_MOVE,
-    MOUSE_MIDDLE_DOWN,
-    MOUSE_MIDDLE_MOVE,
-    MOUSE_RIGHT_DOWN,
-    MOUSE_RIGHT_MOVE,
     CURSOR_REPORTING,
   };
 
-  struct Mouse {
+  struct CursorReporting {
     int x;
     int y;
-    Mouse(int x, int y) : x(x), y(y) {}
   };
 
   struct Output {
     Type type;
     union {
       Mouse mouse;
+      CursorReporting cursor;
     };
 
     Output(Type type) : type(type) {}
-    Output(Type type, int x, int y) : type(type), mouse(x, y) {}
   };
 
   void Send(Output type);
@@ -58,7 +50,7 @@ class TerminalInputParser {
   Output ParseDCS();
   Output ParseCSI();
   Output ParseOSC();
-  Output ParseMouse(std::vector<int> arguments);
+  Output ParseMouse(bool altered, bool pressed, std::vector<int> arguments);
   Output ParseCursorReporting(std::vector<int> arguments);
 
   Sender<Event> out_;

src/ftxui/component/terminal_input_parser_test.cpp

@@ -66,22 +66,81 @@ TEST(Event, EscapeKeyEnoughWait) {
   EXPECT_FALSE(event_receiver->Receive(&received));
 }
 
-TEST(Event, GnomeTerminalMouse) {
+TEST(Event, MouseLeftClick) {
   auto event_receiver = MakeReceiver<Event>();
   {
     auto parser = TerminalInputParser(event_receiver->MakeSender());
     parser.Add('\x1B');
     parser.Add('[');
-    parser.Add('<');
+    parser.Add('3');
-    parser.Add('1');
+    parser.Add('2');
     parser.Add(';');
     parser.Add('1');
+    parser.Add('2');
+    parser.Add(';');
+    parser.Add('4');
+    parser.Add('2');
     parser.Add('M');
   }
 
   Event received;
   EXPECT_TRUE(event_receiver->Receive(&received));
   EXPECT_TRUE(received.is_mouse());
+  EXPECT_EQ(Mouse::Left, received.mouse().button);
+  EXPECT_EQ(12, received.mouse().x);
+  EXPECT_EQ(42, received.mouse().y);
+  EXPECT_FALSE(event_receiver->Receive(&received));
+}
+
+TEST(Event, MouseMiddleClick) {
+  auto event_receiver = MakeReceiver<Event>();
+  {
+    auto parser = TerminalInputParser(event_receiver->MakeSender());
+    parser.Add('\x1B');
+    parser.Add('[');
+    parser.Add('3');
+    parser.Add('3');
+    parser.Add(';');
+    parser.Add('1');
+    parser.Add('2');
+    parser.Add(';');
+    parser.Add('4');
+    parser.Add('2');
+    parser.Add('M');
+  }
+
+  Event received;
+  EXPECT_TRUE(event_receiver->Receive(&received));
+  EXPECT_TRUE(received.is_mouse());
+  EXPECT_EQ(Mouse::Middle, received.mouse().button);
+  EXPECT_EQ(12, received.mouse().x);
+  EXPECT_EQ(42, received.mouse().y);
+  EXPECT_FALSE(event_receiver->Receive(&received));
+}
+
+TEST(Event, MouseRightClick) {
+  auto event_receiver = MakeReceiver<Event>();
+  {
+    auto parser = TerminalInputParser(event_receiver->MakeSender());
+    parser.Add('\x1B');
+    parser.Add('[');
+    parser.Add('3');
+    parser.Add('4');
+    parser.Add(';');
+    parser.Add('1');
+    parser.Add('2');
+    parser.Add(';');
+    parser.Add('4');
+    parser.Add('2');
+    parser.Add('M');
+  }
+
+  Event received;
+  EXPECT_TRUE(event_receiver->Receive(&received));
+  EXPECT_TRUE(received.is_mouse());
+  EXPECT_EQ(Mouse::Right, received.mouse().button);
+  EXPECT_EQ(12, received.mouse().x);
+  EXPECT_EQ(42, received.mouse().y);
   EXPECT_FALSE(event_receiver->Receive(&received));
 }
 

src/ftxui/component/toggle.cpp

@@ -60,12 +60,13 @@ bool Toggle::OnEvent(Event event) {
 
 bool Toggle::OnMouseEvent(Event event) {
   for (int i = 0; i < boxes_.size(); ++i) {
-    if (!boxes_[i].Contain(event.mouse_x(), event.mouse_y()))
+    if (!boxes_[i].Contain(event.mouse().x, event.mouse().y))
       continue;
 
     TakeFocus();
     focused = i;
-    if (event.is_mouse_left_down()) {
+    if (event.mouse().button == Mouse::Left &&
+        event.mouse().motion == Mouse::Pressed) {
       TakeFocus();
       if (selected != i) {
         selected = i;