[reactos] 06/06: [FONTEXT] Fix font installation

[Mark Jansen]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=ab7b004d51c3c38440794…

commit ab7b004d51c3c38440794ce5d3b7fb03c03af2a8
Author:     Mark Jansen <mark.jansen(a)reactos.org>
AuthorDate: Sun Jul 25 01:11:01 2021 +0200
Commit:     Mark Jansen <mark.jansen(a)reactos.org>
CommitDate: Mon Nov 15 20:02:14 2021 +0100

    [FONTEXT] Fix font installation
---
 dll/shellext/fontext/CFontCache.hpp |  3 ++-
 dll/shellext/fontext/CFontExt.cpp   | 45 ++++++++++++++++++++++++-------------
 2 files changed, 32 insertions(+), 16 deletions(-)

diff --git a/dll/shellext/fontext/CFontCache.hpp b/dll/shellext/fontext/CFontCache.hpp
index e047e6b4b1d..ba9d9e39636 100644
--- a/dll/shellext/fontext/CFontCache.hpp
+++ b/dll/shellext/fontext/CFontCache.hpp
@@ -45,9 +45,10 @@ protected:
     CFontCache();
 
     void Insert(CAtlList<CFontInfo>& fonts, const CStringW& KeyName);
-    void Read();
 
 public:
+    void Read();
+
     void SetFontDir(const LPCWSTR Path);
     const CStringW& FontPath() const { return m_FontFolderPath; }
 
diff --git a/dll/shellext/fontext/CFontExt.cpp b/dll/shellext/fontext/CFontExt.cpp
index 23b7e0b2721..7fffa90736e 100644
--- a/dll/shellext/fontext/CFontExt.cpp
+++ b/dll/shellext/fontext/CFontExt.cpp
@@ -603,10 +603,15 @@ STDMETHODIMP CFontExt::Drop(IDataObject* pDataObj, DWORD
grfKeyState, POINTL pt,
         }
     }
 
-    // TODO: update g_FontCache
+    // Invalidate our cache
+    g_FontCache->Read();
 
+    // Notify the system that a font was added
     SendMessageW(HWND_BROADCAST, WM_FONTCHANGE, 0, 0);
 
+    // Notify the shell that the folder contents are changed
+    SHChangeNotify(SHCNE_UPDATEDIR, SHCNF_PATHW, g_FontCache->FontPath().GetString(),
NULL);
+
     // TODO: Show message
 
     return bOK ? S_OK : E_FAIL;
@@ -615,15 +620,30 @@ STDMETHODIMP CFontExt::Drop(IDataObject* pDataObj, DWORD
grfKeyState, POINTL pt,
 HRESULT CFontExt::DoInstallFontFile(LPCWSTR pszFontPath, LPCWSTR pszFontsDir, HKEY
hkeyFonts)
 {
     WCHAR szDestFile[MAX_PATH];
-    LPCWSTR pszFileTitle = PathFindFileName(pszFontPath);
 
-    CStringW strFontName;
-    if (!DoGetFontTitle(pszFontPath, strFontName))
+    // Add this font to the font list, so we can query the name
+    if (!AddFontResourceW(pszFontPath))
+    {
+        ERR("AddFontResourceW('%S') failed\n", pszFontPath);
+        DeleteFileW(szDestFile);
         return E_FAIL;
+    }
+
+    CStringW strFontName;
+    HRESULT hr = DoGetFontTitle(pszFontPath, strFontName);
 
-    RemoveFontResourceW(pszFileTitle);
+    // We got the name, remove it again
+    RemoveFontResourceW(pszFontPath);
+
+    if (!SUCCEEDED(hr))
+    {
+        ERR("DoGetFontTitle failed (err=0x%x)!\n", hr);
+        return hr;
+    }
 
     StringCchCopyW(szDestFile, sizeof(szDestFile), pszFontsDir);
+
+    LPCWSTR pszFileTitle = PathFindFileName(pszFontPath);
     PathAppendW(szDestFile, pszFileTitle);
     if (!CopyFileW(pszFontPath, szDestFile, FALSE))
     {
@@ -631,24 +651,18 @@ HRESULT CFontExt::DoInstallFontFile(LPCWSTR pszFontPath, LPCWSTR
pszFontsDir, HK
         return E_FAIL;
     }
 
-    if (!AddFontResourceW(szDestFile))
-    {
-        ERR("AddFontResourceW('%S') failed\n", pszFileTitle);
-        DeleteFileW(szDestFile);
-        return E_FAIL;
-    }
-
     DWORD cbData = (wcslen(pszFileTitle) + 1) * sizeof(WCHAR);
     LONG nError = RegSetValueExW(hkeyFonts, strFontName, 0, REG_SZ,
                                  (const BYTE *)pszFileTitle, cbData);
     if (nError)
     {
         ERR("RegSetValueExW failed with %ld\n", nError);
-        RemoveFontResourceW(pszFileTitle);
         DeleteFileW(szDestFile);
         return E_FAIL;
     }
 
+    AddFontResourceW(szDestFile);
+
     return S_OK;
 }
 
@@ -659,12 +673,13 @@ CFontExt::DoGetFontTitle(IN LPCWSTR pszFontPath, OUT CStringW&
strFontName)
     BOOL ret = GetFontResourceInfoW(pszFontPath, &cbInfo, NULL, 1);
     if (!ret || !cbInfo)
     {
-        ERR("GetFontResourceInfoW failed\n");
+        ERR("GetFontResourceInfoW failed (err: %u)\n", GetLastError());
         return E_FAIL;
     }
 
     LPWSTR pszBuffer = strFontName.GetBuffer(cbInfo / sizeof(WCHAR));
     ret = GetFontResourceInfoW(pszFontPath, &cbInfo, pszBuffer, 1);
+    DWORD dwErr = GetLastError();;
     strFontName.ReleaseBuffer();
     if (ret)
     {
@@ -672,6 +687,6 @@ CFontExt::DoGetFontTitle(IN LPCWSTR pszFontPath, OUT CStringW&
strFontName)
         return S_OK;
     }
 
-    ERR("GetFontResourceInfoW failed\n");
+    ERR("GetFontResourceInfoW failed (err: %u)\n", dwErr);
     return E_FAIL;
 }