[reactos] 01/01: [NtUser] Fix Clipboard Synthesized Returns

[James Tabor]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=931c72fde5b846bf0499a…

commit 931c72fde5b846bf0499a23351c8a535d1b13e34
Author:     James Tabor <james.tabor(a)reactos.org>
AuthorDate: Sat Jun 1 07:23:58 2019 -0500
Commit:     James Tabor <james.tabor(a)reactos.org>
CommitDate: Sat Jun 1 07:23:58 2019 -0500

    [NtUser] Fix Clipboard Synthesized Returns
    
    Add supported for Meta file synthesized renderings.
    See CORE-12143.
---
 win32ss/user/ntuser/clipboard.c | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/win32ss/user/ntuser/clipboard.c b/win32ss/user/ntuser/clipboard.c
index 28a1844dd6a..95f44894a20 100644
--- a/win32ss/user/ntuser/clipboard.c
+++ b/win32ss/user/ntuser/clipboard.c
@@ -290,7 +290,7 @@ cleanup:
 static VOID NTAPI
 IntAddSynthesizedFormats(PWINSTATION_OBJECT pWinStaObj)
 {
-    BOOL bHaveText, bHaveUniText, bHaveOemText, bHaveLocale, bHaveBm, bHaveDib;
+    BOOL bHaveText, bHaveUniText, bHaveOemText, bHaveLocale, bHaveBm, bHaveDib, bHaveMFP,
bHaveEMF;
 
     bHaveText = IntIsFormatAvailable(pWinStaObj, CF_TEXT);
     bHaveOemText = IntIsFormatAvailable(pWinStaObj, CF_OEMTEXT);
@@ -298,6 +298,8 @@ IntAddSynthesizedFormats(PWINSTATION_OBJECT pWinStaObj)
     bHaveLocale = IntIsFormatAvailable(pWinStaObj, CF_LOCALE);
     bHaveBm = IntIsFormatAvailable(pWinStaObj, CF_BITMAP);
     bHaveDib = IntIsFormatAvailable(pWinStaObj, CF_DIB);
+    bHaveMFP = IntIsFormatAvailable(pWinStaObj, CF_METAFILEPICT);
+    bHaveEMF = IntIsFormatAvailable(pWinStaObj, CF_ENHMETAFILE);
 
     /* Add CF_LOCALE format if we have CF_TEXT, CF_OEMTEXT or CF_UNICODETEXT */
     if (!bHaveLocale && (bHaveText || bHaveOemText || bHaveUniText))
@@ -334,6 +336,14 @@ IntAddSynthesizedFormats(PWINSTATION_OBJECT pWinStaObj)
     if (!bHaveBm && bHaveDib)
         IntAddFormatedData(pWinStaObj, CF_BITMAP, DATA_SYNTH_KRNL, FALSE, TRUE);
 
+    /* Add CF_ENHMETAFILE. Note: it is synthesized in gdi32.dll */
+    if (bHaveMFP && !bHaveEMF)
+        IntAddFormatedData(pWinStaObj, CF_ENHMETAFILE, DATA_SYNTH_USER, FALSE, TRUE);
+
+    /* Add CF_METAFILEPICT. Note: it is synthesized in gdi32.dll */
+    if (bHaveEMF && !bHaveMFP)
+        IntAddFormatedData(pWinStaObj, CF_METAFILEPICT, DATA_SYNTH_USER, FALSE, TRUE);
+
     /* Note: We need to render the DIB or DIBV5 format as soon as possible
        because pallette information may change */
     if (!bHaveDib && bHaveBm)
@@ -934,6 +944,16 @@ NtUserGetClipboardData(UINT fmt, PGETCLIPBDATA pgcd)
                 IntSynthesizeBitmap(pWinStaObj, pElement);
                 break;
 
+            case CF_METAFILEPICT:
+                uSourceFmt = CF_ENHMETAFILE;
+                pElement = IntGetFormatElement(pWinStaObj, uSourceFmt);
+                break;
+
+            case CF_ENHMETAFILE:
+                uSourceFmt = CF_METAFILEPICT;
+                pElement = IntGetFormatElement(pWinStaObj, uSourceFmt);
+                break;
+
             default:
                 ASSERT(FALSE);
         }