// Author: George Policello
// Modified by:
// Created: 28 Jan 02
-// RCS-ID: $Id$
// Copyright: (c) 2002 George Policello
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "fsvolume.h"
-#endif
-
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
+#if wxUSE_FSVOLUME
+
+#include "wx/volume.h"
+
#ifndef WX_PRECOMP
-#include <wx/icon.h>
-#include <wx/intl.h>
+ #if wxUSE_GUI
+ #include "wx/icon.h"
+ #endif
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/hashmap.h"
+ #include "wx/filefn.h"
#endif // WX_PRECOMP
#include "wx/dir.h"
-#include "wx/hashmap.h"
#include "wx/dynlib.h"
#include "wx/arrimpl.cpp"
-#include "wx/volume.h"
-
-// Win32 headers
+// some compilers require including <windows.h> before <shellapi.h> so do it
+// even if this is not necessary with most of them
+#include "wx/msw/wrapwin.h"
+#include <shellapi.h>
#include <shlobj.h>
+#include "wx/msw/missing.h"
+
+#if wxUSE_BASE
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Dynamic library function defs.
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+#if wxUSE_DYNLIB_CLASS
static wxDynamicLibrary s_mprLib;
+#endif
typedef DWORD (WINAPI* WNetOpenEnumPtr)(DWORD, DWORD, DWORD, LPNETRESOURCE, LPHANDLE);
typedef DWORD (WINAPI* WNetEnumResourcePtr)(HANDLE, LPDWORD, LPVOID, LPDWORD);
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
static long s_cancelSearch = FALSE;
-struct FileInfo : public wxObject
+struct FileInfo
{
FileInfo(unsigned flag=0, wxFSVolumeKind type=wxFS_VOL_OTHER) :
m_flags(flag), m_type(type) {}
+
+ FileInfo(const FileInfo& other) { *this = other; }
+ FileInfo& operator=(const FileInfo& other)
+ {
+ m_flags = other.m_flags;
+ m_type = other.m_type;
+ return *this;
+ }
+
unsigned m_flags;
wxFSVolumeKind m_type;
};
WX_DECLARE_STRING_HASH_MAP(FileInfo, FileInfoMap);
-static FileInfoMap s_fileInfo(25);
+// Cygwin bug (?) destructor for global s_fileInfo is called twice...
+static FileInfoMap& GetFileInfoMap()
+{
+ static FileInfoMap s_fileInfo(25);
-//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-// Other initialization.
-//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-WX_DEFINE_OBJARRAY(wxIconArray);
+ return s_fileInfo;
+}
+#define s_fileInfo (GetFileInfoMap())
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Local helper functions.
// - Other flags are 'best guess' from type of drive. The system will
// not report the file attributes with any degree of accuracy.
//=============================================================================
-unsigned GetBasicFlags(const char* filename)
+static unsigned GetBasicFlags(const wxChar* filename)
{
unsigned flags = wxFS_VOL_MOUNTED;
}
//-----------------------------------------------------------------------
- // The following will most likely will not modify anything not set above,
+ // The following most likely will not modify anything not set above,
// and will not work at all for network shares or empty CD ROM drives.
// But it is a good check if the Win API ever gets better about reporting
// 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(wxT("SHGetFileInfo"));
}
else
{
// Purpose: Add a file to the list if it meets the filter requirement.
// Notes: - See GetBasicFlags for remarks about the Mounted flag.
//=============================================================================
-bool FilteredAdd(wxArrayString& list, const char* filename, unsigned flagsSet, unsigned flagsUnset)
+static bool FilteredAdd(wxArrayString& list, const wxChar* filename,
+ unsigned flagsSet, unsigned flagsUnset)
{
- bool accept = TRUE;
+ bool accept = true;
unsigned flags = GetBasicFlags(filename);
if (flagsSet & wxFS_VOL_MOUNTED && !(flags & wxFS_VOL_MOUNTED))
- accept = FALSE;
+ accept = false;
else if (flagsUnset & wxFS_VOL_MOUNTED && (flags & wxFS_VOL_MOUNTED))
- accept = FALSE;
+ accept = false;
else if (flagsSet & wxFS_VOL_REMOVABLE && !(flags & wxFS_VOL_REMOVABLE))
- accept = FALSE;
+ accept = false;
else if (flagsUnset & wxFS_VOL_REMOVABLE && (flags & wxFS_VOL_REMOVABLE))
- accept = FALSE;
+ accept = false;
else if (flagsSet & wxFS_VOL_READONLY && !(flags & wxFS_VOL_READONLY))
- accept = FALSE;
+ accept = false;
else if (flagsUnset & wxFS_VOL_READONLY && (flags & wxFS_VOL_READONLY))
- accept = FALSE;
+ accept = false;
else if (flagsSet & wxFS_VOL_REMOTE && !(flags & wxFS_VOL_REMOTE))
- accept = FALSE;
+ accept = false;
else if (flagsUnset & wxFS_VOL_REMOTE && (flags & wxFS_VOL_REMOTE))
- accept = FALSE;
+ accept = false;
// Add to the list if passed the filter.
if (accept)
// all items while determining which are connected and not. So this
// function will find either all items or connected items.
//=============================================================================
-void BuildListFromNN(wxArrayString& list, NETRESOURCE* pResSrc, unsigned flagsSet, unsigned flagsUnset)
+static void BuildListFromNN(wxArrayString& list, NETRESOURCE* pResSrc,
+ unsigned flagsSet, unsigned flagsUnset)
{
HANDLE hEnum;
int rc;
//----------------------------------------------------------------------
if (rc = s_pWNetOpenEnum(scope, RESOURCETYPE_DISK, 0, pResSrc, &hEnum), rc == NO_ERROR)
{
- unsigned long count = 1;
- unsigned long size = 256;
+ DWORD count = 1;
+ DWORD size = 256;
NETRESOURCE* pRes = (NETRESOURCE*)malloc(size);
memset(pRes, 0, sizeof(NETRESOURCE));
while (rc = s_pWNetEnumResource(hEnum, &count, pRes, &size), rc == NO_ERROR || rc == ERROR_MORE_DATA)
{
wxString filename(pRes->lpRemoteName);
- if (filename.Len())
+ // 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() != '\\')
filename.Append('\\');
// 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.t_str(), flagsSet, flagsUnset&~wxFS_VOL_MOUNTED);
if (scope == RESOURCE_GLOBALNET)
s_fileInfo[filename].m_flags &= ~wxFS_VOL_MOUNTED;
}
//=============================================================================
static int CompareFcn(const wxString& first, const wxString& second)
{
- return stricmp(first.c_str(), second.c_str());
+ return wxStricmp(first.c_str(), second.c_str());
} // CompareFcn
//=============================================================================
// way manually.
// - The resulting list is sorted alphabetically.
//=============================================================================
-bool BuildRemoteList(wxArrayString& list, NETRESOURCE* pResSrc, unsigned flagsSet, unsigned flagsUnset)
+static bool BuildRemoteList(wxArrayString& list, NETRESOURCE* pResSrc,
+ unsigned flagsSet, unsigned flagsUnset)
{
// NN query depends on dynamically loaded library.
if (!s_pWNetOpenEnum || !s_pWNetEnumResource || !s_pWNetCloseEnum)
{
wxLogError(_("Failed to load mpr.dll."));
- return FALSE;
+ return false;
}
// Don't waste time doing the work if the flags conflict.
if (flagsSet & wxFS_VOL_MOUNTED && flagsUnset & wxFS_VOL_MOUNTED)
- return FALSE;
+ return false;
//----------------------------------------------
// Generate the list according to the flags set.
mounted.Sort(CompareFcn);
// apply list from bottom to top to preserve indexes if removing items.
- int iList = list.GetCount()-1;
- int iMounted;
- for (iMounted = mounted.GetCount()-1; iMounted >= 0 && iList >= 0; iMounted--)
+ ssize_t iList = list.GetCount()-1;
+ for (ssize_t iMounted = mounted.GetCount()-1; iMounted >= 0 && iList >= 0; iMounted--)
{
int compare;
wxString all(list[iList]);
wxString mount(mounted[iMounted]);
- while (compare = stricmp(list[iList], mounted[iMounted]), compare > 0 && iList >= 0)
+ while (compare =
+ wxStricmp(list[iList].c_str(), mounted[iMounted].c_str()),
+ compare > 0 && iList >= 0)
{
iList--;
all = list[iList];
{
// Found the element. Remove it or mark it mounted.
if (flagsUnset & wxFS_VOL_MOUNTED)
- list.Remove(iList);
+ list.RemoveAt(iList);
else
s_fileInfo[list[iList]].m_flags |= wxFS_VOL_MOUNTED;
}
}
- return TRUE;
+ return true;
} // BuildRemoteList
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Purpose: Generate and return a list of all volumes (drives) available.
// Notes:
//=============================================================================
-wxArrayString wxFSVolume::GetVolumes(int flagsSet, int flagsUnset)
+wxArrayString wxFSVolumeBase::GetVolumes(int flagsSet, int flagsUnset)
{
- InterlockedExchange(&s_cancelSearch, FALSE); // reset
+ ::InterlockedExchange(&s_cancelSearch, FALSE); // reset
- if (!s_mprLib.IsLoaded() && s_mprLib.Load(_T("mpr.dll")))
+#if wxUSE_DYNLIB_CLASS
+ if (!s_mprLib.IsLoaded() && s_mprLib.Load(wxT("mpr.dll")))
{
#ifdef UNICODE
- s_pWNetOpenEnum = (WNetOpenEnumPtr)s_mprLib.GetSymbol(_T("WNetOpenEnumW"));
- s_pWNetEnumResource = (WNetEnumResourcePtr)s_mprLib.GetSymbol("WNetEnumResourceW");
+ s_pWNetOpenEnum = (WNetOpenEnumPtr)s_mprLib.GetSymbol(wxT("WNetOpenEnumW"));
+ s_pWNetEnumResource = (WNetEnumResourcePtr)s_mprLib.GetSymbol(wxT("WNetEnumResourceW"));
#else
- s_pWNetOpenEnum = (WNetOpenEnumPtr)s_mprLib.GetSymbol(_T("WNetOpenEnumA"));
- s_pWNetEnumResource = (WNetEnumResourcePtr)s_mprLib.GetSymbol(_T("WNetEnumResourceA"));
+ s_pWNetOpenEnum = (WNetOpenEnumPtr)s_mprLib.GetSymbol(wxT("WNetOpenEnumA"));
+ s_pWNetEnumResource = (WNetEnumResourcePtr)s_mprLib.GetSymbol(wxT("WNetEnumResourceA"));
#endif
- s_pWNetCloseEnum = (WNetCloseEnumPtr)s_mprLib.GetSymbol(_T("WNetCloseEnum"));
+ s_pWNetCloseEnum = (WNetCloseEnumPtr)s_mprLib.GetSymbol(wxT("WNetCloseEnum"));
}
+#endif
wxArrayString list;
// Local and mapped drives first.
//-------------------------------
// Allocate the required space for the API call.
- size_t chars = GetLogicalDriveStrings(0, 0);
+ const DWORD chars = GetLogicalDriveStrings(0, NULL);
TCHAR* buf = new TCHAR[chars+1];
// Get the list of drives.
- chars = GetLogicalDriveStrings(chars, buf);
+ GetLogicalDriveStrings(chars, buf);
// Parse the list into an array, applying appropriate filters.
TCHAR *pVol;
wxArrayString nn;
if (BuildRemoteList(nn, 0, flagsSet, flagsUnset))
{
- int idx;
- for (idx = 0; idx < nn.GetCount(); idx++)
+ for (size_t idx = 0; idx < nn.GetCount(); idx++)
list.Add(nn[idx]);
}
}
// performing the search. This is the only thread-safe function
// provided by the class.
//=============================================================================
-void wxFSVolume::CancelSearch()
+void wxFSVolumeBase::CancelSearch()
{
- InterlockedExchange(&s_cancelSearch, TRUE);
+ ::InterlockedExchange(&s_cancelSearch, TRUE);
} // CancelSearch
//=============================================================================
// Function: constructor
// Purpose: default constructor
//=============================================================================
-wxFSVolume::wxFSVolume()
+wxFSVolumeBase::wxFSVolumeBase()
{
- m_isOk = FALSE;
+ m_isOk = false;
} // wxVolume
//=============================================================================
// Function: constructor
// Purpose: constructor that calls Create
//=============================================================================
-wxFSVolume::wxFSVolume(const wxString& name)
+wxFSVolumeBase::wxFSVolumeBase(const wxString& name)
{
Create(name);
} // wxVolume
// Function: Create
// Purpose: Finds, logs in, etc. to the request volume.
//=============================================================================
-bool wxFSVolume::Create(const wxString& name)
+bool wxFSVolumeBase::Create(const wxString& name)
{
// assume fail.
- m_isOk = FALSE;
+ m_isOk = false;
// supplied.
m_volName = name;
// Display name.
SHFILEINFO fi;
- long rc = SHGetFileInfo(m_volName, 0, &fi, sizeof(fi), SHGFI_DISPLAYNAME);
+ long rc = SHGetFileInfo(m_volName.t_str(), 0, &fi, sizeof(fi), SHGFI_DISPLAYNAME);
if (!rc)
{
- wxLogError(_("Cannot read typename from '%s'!"), m_volName);
- return m_isOk;
+ wxLogError(_("Cannot read typename from '%s'!"), m_volName.c_str());
+ return false;
}
m_dispName = fi.szDisplayName;
-#ifdef wxUSE_GUI
-
- m_icons.Alloc(wxFS_VOL_ICO_MAX);
- int idx;
- wxIcon null;
- for (idx = 0; idx < wxFS_VOL_ICO_MAX; idx++)
- m_icons.Add(null);
-
-#endif
-
// all tests passed.
- return m_isOk = TRUE;
+ m_isOk = true;
+ return true;
} // Create
//=============================================================================
// Function: IsOk
-// Purpose: returns TRUE if the volume is legal.
+// Purpose: returns true if the volume is legal.
// Notes: For fixed disks, it must exist. For removable disks, it must also
// be present. For Network Shares, it must also be logged in, etc.
//=============================================================================
-bool wxFSVolume::IsOk() const
+bool wxFSVolumeBase::IsOk() const
{
return m_isOk;
} // IsOk
// Function: GetKind
// Purpose: Return the type of the volume.
//=============================================================================
-wxFSVolumeKind wxFSVolume::GetKind() const
+wxFSVolumeKind wxFSVolumeBase::GetKind() const
{
if (!m_isOk)
return wxFS_VOL_OTHER;
// Purpose: Return the caches flags for this volume.
// Notes: - Returns -1 if no flags were cached.
//=============================================================================
-int wxFSVolume::GetFlags() const
+int wxFSVolumeBase::GetFlags() const
{
if (!m_isOk)
return -1;
return itr->second.m_flags;
} // GetFlags
-#ifdef wxUSE_GUI
+#endif // wxUSE_BASE
+
+// ============================================================================
+// wxFSVolume
+// ============================================================================
+
+#if wxUSE_GUI
+
+void wxFSVolume::InitIcons()
+{
+ m_icons.Alloc(wxFS_VOL_ICO_MAX);
+ wxIcon null;
+ for (int idx = 0; idx < wxFS_VOL_ICO_MAX; idx++)
+ m_icons.Add(null);
+}
//=============================================================================
// Function: GetIcon
// Purpose: return the requested icon.
//=============================================================================
+
wxIcon wxFSVolume::GetIcon(wxFSIconType type) const
{
- wxASSERT(type < m_icons.GetCount());
-
- if (type >= m_icons.GetCount())
- {
- wxLogError(_("Invalid request for icon type!"));
- wxIcon null;
- return null;
- }
+ wxCHECK_MSG( type >= 0 && (size_t)type < m_icons.GetCount(), wxNullIcon,
+ wxT("wxFSIconType::GetIcon(): invalid icon index") );
+#ifdef __WXMSW__
// Load on demand.
if (m_icons[type].IsNull())
{
- unsigned flags = 0;
+ UINT flags = SHGFI_ICON;
switch (type)
{
case wxFS_VOL_ICO_SMALL:
- flags = SHGFI_ICON | SHGFI_SMALLICON;
+ flags |= SHGFI_SMALLICON;
break;
case wxFS_VOL_ICO_LARGE:
- flags = SHGFI_ICON | SHGFI_SHELLICONSIZE;
+ flags |= SHGFI_SHELLICONSIZE;
break;
case wxFS_VOL_ICO_SEL_SMALL:
- flags = SHGFI_ICON | SHGFI_SMALLICON | SHGFI_OPENICON;
+ flags |= SHGFI_SMALLICON | SHGFI_OPENICON;
break;
case wxFS_VOL_ICO_SEL_LARGE:
- flags = SHGFI_ICON | SHGFI_SHELLICONSIZE | SHGFI_OPENICON;
+ flags |= SHGFI_SHELLICONSIZE | SHGFI_OPENICON;
+ break;
+
+ case wxFS_VOL_ICO_MAX:
+ wxFAIL_MSG(wxT("wxFS_VOL_ICO_MAX is not valid icon type"));
break;
}
SHFILEINFO fi;
- long rc = SHGetFileInfo(m_volName, 0, &fi, sizeof(fi), flags);
+ long rc = SHGetFileInfo(m_volName.t_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);
+ {
+ wxLogError(_("Cannot load icon from '%s'."), m_volName.c_str());
+ }
}
return m_icons[type];
+#else
+ wxFAIL_MSG(wxS("Can't convert HICON to wxIcon in this port."));
+ return wxNullIcon;
+#endif
} // GetIcon
#endif // wxUSE_GUI
+#endif // wxUSE_FSVOLUME
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