X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7212d15556e87f73ff5ea8c3211a0e8e8811426b..79cb759dc8580da2e82e880cd94a08cd38bb814e:/src/msw/volume.cpp

diff --git a/src/msw/volume.cpp b/src/msw/volume.cpp
index 947d932eb2..dbc6c61e55 100644
--- a/src/msw/volume.cpp
+++ b/src/msw/volume.cpp
@@ -33,6 +33,7 @@
     #endif
     #include "wx/intl.h"
     #include "wx/hashmap.h"
+    #include "wx/filefn.h"
 #endif // WX_PRECOMP
 
 #include "wx/dir.h"
@@ -151,11 +152,13 @@ static unsigned GetBasicFlags(const wxChar* filename)
     // this information.
     //-----------------------------------------------------------------------
     SHFILEINFO fi;
-    long rc;
-    rc = SHGetFileInfo(filename, 0, &fi, sizeof(fi), SHGFI_ATTRIBUTES );
+    long rc = SHGetFileInfo(filename, 0, &fi, sizeof(fi), SHGFI_ATTRIBUTES);
     if (!rc)
     {
-        wxLogError(_("Cannot read typename from '%s'!"), filename);
+        // this error is not fatal, so don't show a message to the user about
+        // it, otherwise it would appear every time a generic directory picker
+        // dialog is used and there is a connected network drive
+        wxLogLastError(_T("SHGetFileInfo"));
     }
     else
     {
@@ -262,6 +265,17 @@ static void BuildListFromNN(wxArrayString& list, NETRESOURCE* pResSrc,
                 {
                     wxString filename(pRes->lpRemoteName);
 
+                    // if the drive is unavailable, FilteredAdd() can hang for
+                    // a long time and, moreover, its failure appears to be not
+                    // cached so this will happen every time we use it, so try
+                    // a much quicker wxDirExists() test (which still hangs but
+                    // for much shorter time) for locally mapped drives first
+                    // to try to avoid this
+                    if ( pRes->lpLocalName &&
+                            *pRes->lpLocalName &&
+                                !wxDirExists(pRes->lpLocalName) )
+                        continue;
+
                     if (!filename.empty())
                     {
                         if (filename.Last() != '\\')
@@ -270,7 +284,7 @@ static void BuildListFromNN(wxArrayString& list, NETRESOURCE* pResSrc,
                         // The filter function will not know mounted from unmounted, and neither do we unless
                         // we are iterating using RESOURCE_CONNECTED, in which case they all are mounted.
                         // Volumes on disconnected servers, however, will correctly show as unmounted.
-                        FilteredAdd(list, filename, flagsSet, flagsUnset&~wxFS_VOL_MOUNTED);
+                        FilteredAdd(list, filename.wx_str(), flagsSet, flagsUnset&~wxFS_VOL_MOUNTED);
                         if (scope == RESOURCE_GLOBALNET)
                             s_fileInfo[filename].m_flags &= ~wxFS_VOL_MOUNTED;
                     }
@@ -484,7 +498,7 @@ bool wxFSVolumeBase::Create(const wxString& name)
 
     // Display name.
     SHFILEINFO fi;
-    long rc = SHGetFileInfo(m_volName, 0, &fi, sizeof(fi), SHGFI_DISPLAYNAME);
+    long rc = SHGetFileInfo(m_volName.wx_str(), 0, &fi, sizeof(fi), SHGFI_DISPLAYNAME);
     if (!rc)
     {
         wxLogError(_("Cannot read typename from '%s'!"), m_volName.c_str());
@@ -594,7 +608,7 @@ wxIcon wxFSVolume::GetIcon(wxFSIconType type) const
         }
 
         SHFILEINFO fi;
-        long rc = SHGetFileInfo(m_volName, 0, &fi, sizeof(fi), flags);
+        long rc = SHGetFileInfo(m_volName.wx_str(), 0, &fi, sizeof(fi), flags);
         m_icons[type].SetHICON((WXHICON)fi.hIcon);
         if (!rc || !fi.hIcon)
             wxLogError(_("Cannot load icon from '%s'."), m_volName.c_str());