VS: Add VS_DPI_AWARE target property

Enables setting the visual studio project property for Manifests,
controlling the DPI Aware setting.

Help/manual/cmake-properties.7.rst

@@ -331,6 +331,7 @@ Properties on Targets
    /prop_tgt/VS_DOTNET_REFERENCES
    /prop_tgt/VS_DOTNET_REFERENCES_COPY_LOCAL
    /prop_tgt/VS_DOTNET_TARGET_FRAMEWORK_VERSION
+   /prop_tgt/VS_DPI_AWARE
    /prop_tgt/VS_GLOBAL_KEYWORD
    /prop_tgt/VS_GLOBAL_PROJECT_TYPES
    /prop_tgt/VS_GLOBAL_ROOTNAMESPACE

Help/prop_tgt/VS_DPI_AWARE.rst

@@ -0,0 +1,14 @@
+VS_DPI_AWARE
+------------
+
+Set the Manifest Tool -> Input and Output -> DPI Awareness in the Visual Studio
+target project properties.
+
+Valid values are ``PerMonitor``, ``ON``, or ``OFF``.
+
+For example:
+
+.. code-block:: cmake
+
+  add_executable(myproject myproject.cpp)
+  set_property(TARGET myproject PROPERTY VS_DPI_AWARE "PerMonitor")

Help/release/dev/vs-dpi-aware.rst

@@ -0,0 +1,6 @@
+vs-dpi-aware
+------------
+
+* The :prop_tgt:`VS_DPI_AWARE` target property was added to tell
+  :ref:`Visual Studio Generators` to set the ``EnableDpiAwareness``
+  property in ``.vcxproj`` files.

Source/cmVisualStudio10TargetGenerator.cxx

@@ -3252,15 +3252,32 @@ void cmVisualStudio10TargetGenerator::WriteManifestOptions(
 
   std::vector<cmSourceFile const*> manifest_srcs;
   this->GeneratorTarget->GetManifests(manifest_srcs, config);
-  if (!manifest_srcs.empty()) {
-    std::ostringstream oss;
-    for (cmSourceFile const* mi : manifest_srcs) {
-      std::string m = this->ConvertPath(mi->GetFullPath(), false);
-      ConvertToWindowsSlash(m);
-      oss << m << ";";
-    }
+
+  const char* dpiAware = this->GeneratorTarget->GetProperty("VS_DPI_AWARE");
+
+  if (!manifest_srcs.empty() || dpiAware) {
     Elem e2(e1, "Manifest");
-    e2.Element("AdditionalManifestFiles", oss.str());
+    if (!manifest_srcs.empty()) {
+      std::ostringstream oss;
+      for (cmSourceFile const* mi : manifest_srcs) {
+        std::string m = this->ConvertPath(mi->GetFullPath(), false);
+        ConvertToWindowsSlash(m);
+        oss << m << ";";
+      }
+      e2.Element("AdditionalManifestFiles", oss.str());
+    }
+    if (dpiAware) {
+      if (!strcmp(dpiAware, "PerMonitor")) {
+        e2.Element("EnableDpiAwareness", "PerMonitorHighDPIAware");
+      } else if (cmSystemTools::IsOn(dpiAware)) {
+        e2.Element("EnableDpiAwareness", "true");
+      } else if (cmSystemTools::IsOff(dpiAware)) {
+        e2.Element("EnableDpiAwareness", "false");
+      } else {
+        cmSystemTools::Error("Bad parameter for VS_DPI_AWARE: " +
+                             std::string(dpiAware));
+      }
+    }
   }
 }
 

Tests/RunCMake/VS10Project/RunCMakeTest.cmake

@@ -22,6 +22,8 @@ run_cmake(VsSdkDirectories)
 run_cmake(VsGlobals)
 run_cmake(VsProjectImport)
 run_cmake(VsPackageReferences)
+run_cmake(VsDpiAware)
+run_cmake(VsDpiAwareBadParam)
 
 if(CMAKE_C_COMPILER_ID STREQUAL "MSVC" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 19.05)
   run_cmake(VsJustMyCode)

Tests/RunCMake/VS10Project/VsDpiAware-check.cmake

@@ -0,0 +1,41 @@
+macro(VSDpiAware_check tgt dpiaware_match_expect)
+  set(vcProjectFile "${RunCMake_TEST_BINARY_DIR}/${tgt}.vcxproj")
+  if(NOT EXISTS "${vcProjectFile}")
+    set(RunCMake_TEST_FAILED "Project file ${tgt}.vcxproj does not exist.")
+    return()
+  endif()
+
+  set(HAVE_DPIAWARE_MATCH 0)
+  set(IN_MANIFEST_SETTINGS 0)
+
+  file(STRINGS "${vcProjectFile}" lines)
+  foreach(line IN LISTS lines)
+    if(line MATCHES "^ *<Manifest>")
+      set(IN_MANIFEST_SETTINGS 1)
+    elseif(line MATCHES "^ *</Manifest>")
+      set(IN_MANIFEST_SETTINGS 0)
+    elseif(IN_MANIFEST_SETTINGS AND (line MATCHES "^ *<EnableDpiAwareness>([^<>]+)</EnableDpiAwareness>"))
+      set(dpiaware_match_actual "${CMAKE_MATCH_1}")
+      if(NOT "${dpiaware_match_actual}" STREQUAL "${dpiaware_match_expect}")
+        set(RunCMake_TEST_FAILED "Project file ${tgt}.vcxproj has <EnableDpiAwareness> '${dpiaware_match_actual}', not '${dpiaware_match_expect}'.")
+        return()
+      endif()
+      set(HAVE_DPIAWARE_MATCH 1)
+      break()
+    endif()
+  endforeach()
+
+  if(NOT HAVE_DPIAWARE_MATCH AND NOT "${dpiaware_match_expect}" STREQUAL "")
+    set(RunCMake_TEST_FAILED "Project file ${tgt}.vcxproj does not have a <EnableDpiAwareness> property group.")
+    return()
+  endif()
+endmacro()
+
+VSDpiAware_check(DPIAWARE-default-C "")
+VSDpiAware_check(DPIAWARE-default-CXX "")
+VSDpiAware_check(DPIAWARE-TGT-PERMONITOR-C "PerMonitorHighDPIAware")
+VSDpiAware_check(DPIAWARE-TGT-PERMONITOR-CXX "PerMonitorHighDPIAware")
+VSDpiAware_check(DPIAWARE-TGT-ON-C "true")
+VSDpiAware_check(DPIAWARE-TGT-ON-CXX "true")
+VSDpiAware_check(DPIAWARE-TGT-OFF-C "false")
+VSDpiAware_check(DPIAWARE-TGT-OFF-CXX "false")

Tests/RunCMake/VS10Project/VsDpiAware.cmake

@@ -0,0 +1,19 @@
+set(CMAKE_CONFIGURATION_TYPES Debug)
+enable_language(C)
+enable_language(CXX)
+
+add_executable(DPIAWARE-default-C empty.c)
+add_executable(DPIAWARE-default-CXX empty.cxx)
+
+add_executable(DPIAWARE-TGT-PERMONITOR-C empty.c)
+set_property(TARGET DPIAWARE-TGT-PERMONITOR-C PROPERTY VS_DPI_AWARE "PerMonitor")
+add_executable(DPIAWARE-TGT-PERMONITOR-CXX empty.cxx)
+set_property(TARGET DPIAWARE-TGT-PERMONITOR-CXX PROPERTY VS_DPI_AWARE "PerMonitor")
+add_executable(DPIAWARE-TGT-ON-C empty.c)
+set_property(TARGET DPIAWARE-TGT-ON-C PROPERTY VS_DPI_AWARE ON)
+add_executable(DPIAWARE-TGT-ON-CXX empty.cxx)
+set_property(TARGET DPIAWARE-TGT-ON-CXX PROPERTY VS_DPI_AWARE ON)
+add_executable(DPIAWARE-TGT-OFF-C empty.c)
+set_property(TARGET DPIAWARE-TGT-OFF-C PROPERTY VS_DPI_AWARE OFF)
+add_executable(DPIAWARE-TGT-OFF-CXX empty.cxx)
+set_property(TARGET DPIAWARE-TGT-OFF-CXX PROPERTY VS_DPI_AWARE OFF)

Tests/RunCMake/VS10Project/VsDpiAwareBadParam-result.txt

@@ -0,0 +1 @@
+1

Tests/RunCMake/VS10Project/VsDpiAwareBadParam-stderr.txt

@@ -0,0 +1,3 @@
+CMake Error: Bad parameter for VS_DPI_AWARE: Bar
+CMake Error: Bad parameter for VS_DPI_AWARE: Foo
+CMake Generate step failed.  Build files cannot be regenerated correctly.

Tests/RunCMake/VS10Project/VsDpiAwareBadParam.cmake

@@ -0,0 +1,8 @@
+set(CMAKE_CONFIGURATION_TYPES Debug)
+enable_language(C)
+enable_language(CXX)
+
+add_executable(DPIAWARE-TGT-BADPARAM-C empty.c)
+set_property(TARGET DPIAWARE-TGT-BADPARAM-C PROPERTY VS_DPI_AWARE "Foo")
+add_executable(DPIAWARE-TGT-BADPARAM-CXX empty.cxx)
+set_property(TARGET DPIAWARE-TGT-BADPARAM-CXX PROPERTY VS_DPI_AWARE "Bar")