Correctly set "dpi awarness" in win32, making the app automatically

scale properly for high dpi displays.

src/musikbox/cursespp/App.cpp

@@ -75,6 +75,7 @@ App::App(const std::string& title) {
 
 #ifdef WIN32
     this->iconId = 0;
+    win32::ConfigureDpiAwareness();
 #else
     setlocale(LC_ALL, "");
     std::signal(SIGWINCH, resizedHandler);

src/musikbox/cursespp/Win32Util.cpp

@@ -252,6 +252,21 @@ namespace cursespp {
                 resetMutex();
             }
         }
+
+        void ConfigureDpiAwareness() {
+            typedef HRESULT(__stdcall *SetProcessDpiAwarenessProc)(int);
+            static const int ADJUST_DPI_PER_MONITOR = 2;
+
+            HMODULE dll = LoadLibrary(L"shcore.dll");
+            if (dll) {
+                SetProcessDpiAwarenessProc setDpiAwareness =
+                    (SetProcessDpiAwarenessProc) GetProcAddress(dll, "SetProcessDpiAwareness");
+
+                if (setDpiAwareness) {
+                    setDpiAwareness(ADJUST_DPI_PER_MONITOR);
+                }
+            }
+        }
     }
 }
 

src/musikbox/cursespp/Win32Util.h

@@ -51,6 +51,7 @@ namespace cursespp {
         void EnableSingleInstance(const std::string& uniqueId);
         bool AlreadyRunning();
         void ShowOtherInstance();
+        void ConfigureDpiAwareness();
     }
 }