shcore: Add stub for GetScaleFactorForMonitor.

dlls/api-ms-win-shcore-scaling-l1-1-1/api-ms-win-shcore-scaling-l1-1-1.spec

 @ stdcall GetDpiForMonitor(long long ptr ptr) shcore.GetDpiForMonitor
 @ stdcall GetProcessDpiAwareness(long ptr) shcore.GetProcessDpiAwareness
 @ stub GetScaleFactorForDevice
-@ stub GetScaleFactorForMonitor
+@ stdcall GetScaleFactorForMonitor(long ptr) shcore.GetScaleFactorForMonitor
 @ stub RegisterScaleChangeEvent
 @ stub RegisterScaleChangeNotifications
 @ stub RevokeScaleChangeNotifications

dlls/shcore/main.c

@@ -78,6 +78,14 @@ HRESULT WINAPI GetDpiForMonitor(HMONITOR monitor, MONITOR_DPI_TYPE type, UINT *x
     return HRESULT_FROM_WIN32( GetLastError() );
 }
 
+HRESULT WINAPI GetScaleFactorForMonitor(HMONITOR monitor, DEVICE_SCALE_FACTOR *scale)
+{
+    FIXME("(%p %p): stub\n", monitor, scale);
+
+    *scale = SCALE_100_PERCENT;
+    return S_OK;
+}
+
 HRESULT WINAPI _IStream_Read(IStream *stream, void *dest, ULONG size)
 {
     ULONG read;

dlls/shcore/shcore.spec

@@ -12,7 +12,7 @@
 @ stdcall GetProcessDpiAwareness(long ptr)
 @ stdcall GetProcessReference(ptr)
 @ stub GetScaleFactorForDevice
-@ stub GetScaleFactorForMonitor
+@ stdcall GetScaleFactorForMonitor(long ptr)
 @ stub IStream_Copy
 @ stdcall IStream_Read(ptr ptr long) _IStream_Read
 @ stub IStream_ReadStr

include/shellscalingapi.h

@@ -19,6 +19,8 @@
 #ifndef __WINE_SHELLSCALINGAPI_H
 #define __WINE_SHELLSCALINGAPI_H
 
+#include <shtypes.h>
+
 typedef enum MONITOR_DPI_TYPE
 {
     MDT_EFFECTIVE_DPI   = 0,
@@ -36,6 +38,7 @@ typedef enum PROCESS_DPI_AWARENESS
 
 HRESULT WINAPI GetDpiForMonitor(HMONITOR,MONITOR_DPI_TYPE,UINT*,UINT*);
 HRESULT WINAPI GetProcessDpiAwareness(HANDLE,PROCESS_DPI_AWARENESS*);
+HRESULT WINAPI GetScaleFactorForMonitor(HMONITOR,DEVICE_SCALE_FACTOR*);
 HRESULT WINAPI SetProcessDpiAwareness(PROCESS_DPI_AWARENESS);
 
 #endif /* __WINE_SHELLSCALINGAPI_H */

include/shtypes.idl

@@ -161,3 +161,24 @@ cpp_quote("#define PERCEIVEDFLAG_NATIVESUPPORT 0x0004")
 cpp_quote("#define PERCEIVEDFLAG_GDIPLUS       0x0010")
 cpp_quote("#define PERCEIVEDFLAG_WMSDK         0x0020")
 cpp_quote("#define PERCEIVEDFLAG_ZIPFOLDER     0x0040")
+
+typedef [v1_enum] enum DEVICE_SCALE_FACTOR
+{
+  DEVICE_SCALE_FACTOR_INVALID = 0,
+  SCALE_100_PERCENT = 100,
+  SCALE_120_PERCENT = 120,
+  SCALE_125_PERCENT = 125,
+  SCALE_140_PERCENT = 140,
+  SCALE_150_PERCENT = 150,
+  SCALE_160_PERCENT = 160,
+  SCALE_175_PERCENT = 175,
+  SCALE_180_PERCENT = 180,
+  SCALE_200_PERCENT = 200,
+  SCALE_225_PERCENT = 225,
+  SCALE_250_PERCENT = 250,
+  SCALE_300_PERCENT = 300,
+  SCALE_350_PERCENT = 350,
+  SCALE_400_PERCENT = 400,
+  SCALE_450_PERCENT = 450,
+  SCALE_500_PERCENT = 500
+} DEVICE_SCALE_FACTOR;