added imgui support

CMakeLists.txt

@@ -11,6 +11,7 @@ set(EXEC_SRC_LIST src/main.cpp)
 
 #set compilation option
 set(IS_LIBRARY True)
+set(USE_IMGUI True)
 set(SFML_MODULES window system)
 
 set(CMAKE_TEMPLATE_PATH "../CMakeTemplate")

src/input.cpp

@@ -4,6 +4,7 @@
 
 #include "input.h"
 
+#include "imgui/imgui.h"
 
 #include <iostream>
 #include <SFML/Window.hpp>
@@ -19,6 +20,29 @@ Input::Input(sf::Window *w) :
     m_heldMouseButtons = std::vector<int>();
     m_actions = std::vector<Action>();
     m_window->setKeyRepeatEnabled(false);
+	
+	ImGuiIO& io = ImGui::GetIO();
+
+    // init keyboard mapping
+    io.KeyMap[ImGuiKey_Tab] = sf::Keyboard::Tab;
+    io.KeyMap[ImGuiKey_LeftArrow] = sf::Keyboard::Left;
+    io.KeyMap[ImGuiKey_RightArrow] = sf::Keyboard::Right;
+    io.KeyMap[ImGuiKey_UpArrow] = sf::Keyboard::Up;
+    io.KeyMap[ImGuiKey_DownArrow] = sf::Keyboard::Down;
+    io.KeyMap[ImGuiKey_PageUp] = sf::Keyboard::PageUp;
+    io.KeyMap[ImGuiKey_PageDown] = sf::Keyboard::PageDown;
+    io.KeyMap[ImGuiKey_Home] = sf::Keyboard::Home;
+    io.KeyMap[ImGuiKey_End] = sf::Keyboard::End;
+    io.KeyMap[ImGuiKey_Delete] = sf::Keyboard::Delete;
+    io.KeyMap[ImGuiKey_Backspace] = sf::Keyboard::BackSpace;
+    io.KeyMap[ImGuiKey_Enter] = sf::Keyboard::Return;
+    io.KeyMap[ImGuiKey_Escape] = sf::Keyboard::Escape;
+    io.KeyMap[ImGuiKey_A] = sf::Keyboard::A;
+    io.KeyMap[ImGuiKey_C] = sf::Keyboard::C;
+    io.KeyMap[ImGuiKey_V] = sf::Keyboard::V;
+    io.KeyMap[ImGuiKey_X] = sf::Keyboard::X;
+    io.KeyMap[ImGuiKey_Y] = sf::Keyboard::Y;
+    io.KeyMap[ImGuiKey_Z] = sf::Keyboard::Z;
 }
 
 void Input::setKeysMap(IKeysMap km){
@@ -27,6 +51,7 @@ void Input::setKeysMap(IKeysMap km){
 
 void Input::updateEvents(){
 	sf::Event event;
+    ImGuiIO& io = ImGui::GetIO();
 	KeyBindings kb;
 	char c;
 
@@ -67,23 +92,35 @@ void Input::updateEvents(){
         case sf::Event::TextEntered:
             c = (char) event.text.unicode;
             sf::Utf32::encodeAnsi(event.text.unicode,std::back_inserter(m_buffer));
+			io.AddInputCharacter(static_cast<ImWchar>(event.text.unicode));
             break;
         case sf::Event::KeyPressed:
             action = kb.getPressedAction(input::KEYBOARD,event.key.code);
             if(!action.isNull())
                 m_actions.push_back(action);
             m_heldKeys.push_back(event.key.code);
+			io.KeysDown[event.key.code] = true;
+            io.KeyCtrl = event.key.control;
+            io.KeyShift = event.key.shift;
+            io.KeyAlt = event.key.alt;
             break;
         case sf::Event::KeyReleased:
             action = kb.getReleasedAction(input::KEYBOARD,event.key.code);
             if(!action.isNull())
                 m_actions.push_back(action);
             releaseHeldKeys(event.key.code);
+			io.KeysDown[event.key.code] = false;
+            io.KeyCtrl = event.key.control;
+            io.KeyShift = event.key.shift;
+            io.KeyAlt = event.key.alt;
             break;
         case sf::Event::MouseWheelScrolled:
             if (event.mouseWheelScroll.wheel == sf::Mouse::VerticalWheel)
                 m_delta_vertical_scroll = event.mouseWheelScroll.delta;
             break;
+		case sf::Event::MouseWheelMoved:
+            io.MouseWheel += static_cast<float>(event.mouseWheel.delta);
+            break;
         case sf::Event::MouseButtonPressed:
             action = kb.getPressedAction(input::MOUSE,event.mouseButton.button);
             if(!action.isNull())
@@ -98,6 +135,7 @@ void Input::updateEvents(){
             break;
         case sf::Event::MouseMoved:
             m_mouse_position = sf::Mouse::getPosition(*m_window);
+            io.MousePos = ImVec2(m_mouse_position.x, m_mouse_position.y);
             break;
         case sf::Event::MouseEntered:
             // action MouseEntered
@@ -138,8 +176,14 @@ void Input::updateEvents(){
     for (auto key: m_heldKeys)
         m_actions.push_back(kb.getHoldAction(input::KEYBOARD,key));
 
-    for (auto button: m_heldMouseButtons)
+    for (int i = 0; i < 3; i++)
+        io.MouseDown[i] = false;
+
+    for (int button: m_heldMouseButtons)
+    {
         m_actions.push_back(kb.getHoldAction(input::MOUSE, button));
+        io.MouseDown[button] = true;
+    }
 
     for (auto heldJoystickButton : m_heldJoystickButtons)
     {