Move definitions to Display.cpp from Display.h.

CMakeLists.txt

@@ -62,6 +62,7 @@ set(${PROJECT_NAME}_SOURCES
     src/MenuItem.cpp
     src/UserChoice.h
     src/Display.h
+    src/Display.cpp
     src/map/Water.cpp
     src/map/Water.h
     src/map/Steel.cpp

src/Display.cpp

@@ -0,0 +1,18 @@
+#include "Display.h"
+
+#include "Config.h"
+
+Display::Display()
+    : width_(Config::getInstance().getBoardWidth() +
+             Config::getInstance().getSatusWidth()),
+      height_(Config::getInstance().getBoardHeight())
+{
+}
+
+int Display::getCenterX() const { return width_ / 2; }
+int Display::getCenterY() const { return height_ / 2; }
+
+int Display::getWidth() const { return width_; }
+void Display::setWidth(int width) { width_ = width; }
+int Display::getHeight() const { return height_; }
+void Display::setHeight(int height) { height_ = height; }

src/Display.h

@@ -1,26 +1,19 @@
 #pragma once
 
-#include "Config.h"
-
 class Display
 {
 public:
-    Display()
-        : width_(Config::getInstance().getBoardWidth() +
-                 Config::getInstance().getSatusWidth()),
-          height_(Config::getInstance().getBoardHeight())
-    {
-    }
+    Display();
 
     virtual ~Display() = default;
 
-    int getCenterX() const { return width_ / 2; }
-    int getCenterY() const { return height_ / 2; }
+    int getCenterX() const;
+    int getCenterY() const;
 
-    int getWidth() const { return width_; }
-    void setWidth(int width) { width_ = width; }
-    int getHeight() const { return height_; }
-    void setHeight(int height) { height_ = height; }
+    int getWidth() const;
+    void setWidth(int width);
+    int getHeight() const;
+    void setHeight(int height);
 
 private:
     int width_;