Platform: make a macOS bundle also for GlfwApplication test.

src/Magnum/Platform/Test/CMakeLists.txt

@@ -61,6 +61,13 @@ if(WITH_GLFWAPPLICATION)
     target_sources(PlatformGlfwApplicationTest PRIVATE ${Platform_RESOURCES})
     target_link_libraries(PlatformGlfwApplicationTest PRIVATE MagnumTrade)
     set_target_properties(PlatformGlfwApplicationTest PROPERTIES FOLDER "Magnum/Platform/Test")
+    if(CORRADE_TARGET_APPLE)
+        # The plist is needed in order to mark the app as DPI-aware
+        set_target_properties(PlatformGlfwApplicationTest PROPERTIES
+            MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/GlfwApplicationTest.plist
+            MACOSX_BUNDLE ON
+            XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED "YES")
+    endif()
 endif()
 
 if(WITH_GLXAPPLICATION)

src/Magnum/Platform/Test/GlfwApplicationTest.plist

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>en-US</string>
+  <key>CFBundleExecutable</key>
+  <string>${MACOSX_BUNDLE_EXECUTABLE_NAME}</string>
+  <key>CFBundleIdentifier</key>
+  <string>cz.mosra.magnum.GlfwApplicationTest</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundleName</key>
+  <string>Magnum Triangle</string>
+  <key>CFBundlePackageType</key>
+  <string>APPL</string>
+  <key>NSHighResolutionCapable</key>
+  <true/>
+</dict>
+</plist>