X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/77ffb5937e89927b621128789401db8921fe580f..79b7b95aed76eb742deef93d046886c20452fb36:/src/msw/volume.cpp?ds=sidebyside diff --git a/src/msw/volume.cpp b/src/msw/volume.cpp index a508485ac2..dbc6c61e55 100644 --- a/src/msw/volume.cpp +++ b/src/msw/volume.cpp @@ -6,7 +6,7 @@ // Created: 28 Jan 02 // RCS-ID: $Id$ // Copyright: (c) 2002 George Policello -// Licence: wxWidgets licence +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "fsvolume.h" -#endif - #include "wx/wxprec.h" #ifdef __BORLANDC__ @@ -29,20 +25,21 @@ #if wxUSE_FSVOLUME +#include "wx/volume.h" + #ifndef WX_PRECOMP #if wxUSE_GUI #include "wx/icon.h" #endif #include "wx/intl.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" - #include #include #include "wx/msw/missing.h" @@ -53,7 +50,9 @@ // 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); @@ -147,17 +146,19 @@ static unsigned GetBasicFlags(const wxChar* filename) } //----------------------------------------------------------------------- - // 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(_T("SHGetFileInfo")); } else { @@ -180,28 +181,28 @@ static unsigned GetBasicFlags(const wxChar* filename) // Purpose: Add a file to the list if it meets the filter requirement. // Notes: - See GetBasicFlags for remarks about the Mounted flag. //============================================================================= -static bool FilteredAdd(wxArrayString& list, const wxChar* filename, +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) @@ -217,7 +218,7 @@ static bool FilteredAdd(wxArrayString& list, const wxChar* filename, // all items while determining which are connected and not. So this // function will find either all items or connected items. //============================================================================= -static void BuildListFromNN(wxArrayString& list, NETRESOURCE* pResSrc, +static void BuildListFromNN(wxArrayString& list, NETRESOURCE* pResSrc, unsigned flagsSet, unsigned flagsUnset) { HANDLE hEnum; @@ -264,7 +265,18 @@ static void BuildListFromNN(wxArrayString& list, NETRESOURCE* pResSrc, { 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('\\'); @@ -272,7 +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; } @@ -290,9 +302,9 @@ static void BuildListFromNN(wxArrayString& list, NETRESOURCE* pResSrc, // Function: CompareFcn // Purpose: Used to sort the NN list alphabetically, case insensitive. //============================================================================= -static int CompareFcn(wxString* first, wxString* second) +static int CompareFcn(const wxString& first, const wxString& second) { - return wxStricmp(first->c_str(), second->c_str()); + return wxStricmp(first.c_str(), second.c_str()); } // CompareFcn //============================================================================= @@ -303,19 +315,19 @@ static int CompareFcn(wxString* first, wxString* second) // way manually. // - The resulting list is sorted alphabetically. //============================================================================= -static bool BuildRemoteList(wxArrayString& list, NETRESOURCE* pResSrc, +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. @@ -336,15 +348,14 @@ static bool BuildRemoteList(wxArrayString& list, NETRESOURCE* pResSrc, 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 = + while (compare = wxStricmp(list[iList].c_str(), mounted[iMounted].c_str()), compare > 0 && iList >= 0) { @@ -367,7 +378,7 @@ static bool BuildRemoteList(wxArrayString& list, NETRESOURCE* pResSrc, } } - return TRUE; + return true; } // BuildRemoteList //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @@ -381,8 +392,9 @@ static bool BuildRemoteList(wxArrayString& list, NETRESOURCE* pResSrc, //============================================================================= wxArrayString wxFSVolumeBase::GetVolumes(int flagsSet, int flagsUnset) { - InterlockedExchange(&s_cancelSearch, FALSE); // reset + ::InterlockedExchange(&s_cancelSearch, FALSE); // reset +#if wxUSE_DYNLIB_CLASS if (!s_mprLib.IsLoaded() && s_mprLib.Load(_T("mpr.dll"))) { #ifdef UNICODE @@ -394,6 +406,7 @@ wxArrayString wxFSVolumeBase::GetVolumes(int flagsSet, int flagsUnset) #endif s_pWNetCloseEnum = (WNetCloseEnumPtr)s_mprLib.GetSymbol(_T("WNetCloseEnum")); } +#endif wxArrayString list; @@ -401,7 +414,7 @@ wxArrayString wxFSVolumeBase::GetVolumes(int flagsSet, int flagsUnset) // 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. @@ -450,7 +463,7 @@ wxArrayString wxFSVolumeBase::GetVolumes(int flagsSet, int flagsUnset) //============================================================================= void wxFSVolumeBase::CancelSearch() { - InterlockedExchange(&s_cancelSearch, TRUE); + ::InterlockedExchange(&s_cancelSearch, TRUE); } // CancelSearch //============================================================================= @@ -459,7 +472,7 @@ void wxFSVolumeBase::CancelSearch() //============================================================================= wxFSVolumeBase::wxFSVolumeBase() { - m_isOk = FALSE; + m_isOk = false; } // wxVolume //============================================================================= @@ -478,14 +491,14 @@ wxFSVolumeBase::wxFSVolumeBase(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.wx_str(), 0, &fi, sizeof(fi), SHGFI_DISPLAYNAME); if (!rc) { wxLogError(_("Cannot read typename from '%s'!"), m_volName.c_str()); @@ -494,12 +507,12 @@ bool wxFSVolumeBase::Create(const wxString& name) m_dispName = fi.szDisplayName; // all tests passed. - return m_isOk = TRUE; + return m_isOk = 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. //============================================================================= @@ -588,14 +601,14 @@ wxIcon wxFSVolume::GetIcon(wxFSIconType type) const case wxFS_VOL_ICO_SEL_LARGE: flags |= SHGFI_SHELLICONSIZE | SHGFI_OPENICON; break; - + case wxFS_VOL_ICO_MAX: wxFAIL_MSG(_T("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.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()); @@ -607,4 +620,3 @@ wxIcon wxFSVolume::GetIcon(wxFSIconType type) const #endif // wxUSE_GUI #endif // wxUSE_FSVOLUME -