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merged optimizations from 2.2

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9820 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2001-04-21 01:46:19 +00:00
parent 0fa7981012
commit 807a903e68
7 changed files with 428 additions and 176 deletions
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23
include/wx/msw/regconf.h
View File

@@ -29,10 +29,10 @@ class WXDLLEXPORT wxRegConfig : public wxConfigBase
public:
// ctor & dtor
// will store data in HKLM\appName and HKCU\appName
wxRegConfig(const wxString& appName = "",
const wxString& vendorName = "",
const wxString& localFilename = "",
const wxString& globalFilename = "",
wxRegConfig(const wxString& appName = _T(""),
const wxString& vendorName = _T(""),
const wxString& localFilename = _T(""),
const wxString& globalFilename = _T(""),
long style = 0);
// dtor will save unsaved data
@@ -108,6 +108,21 @@ public:
virtual bool DeleteGroup(const wxString& key);
virtual bool DeleteAll();
protected:
// opens the local key creating it if necessary and returns it
wxRegKey& LocalKey() const // must be const to be callable from const funcs
{
wxRegConfig* self = wxConstCast(this, wxRegConfig);
if ( !m_keyLocal.IsOpened() )
{
// create on demand
self->m_keyLocal.Create();
}
return self->m_keyLocal;
}
private:
// no copy ctor/assignment operator
wxRegConfig(const wxRegConfig&);

21
include/wx/msw/registry.h
View File

@@ -16,15 +16,6 @@
#pragma interface "registry.h"
#endif
// ----------------------------------------------------------------------------
// mutable hack (see also registry.cpp)
// ----------------------------------------------------------------------------
#if wxUSE_MUTABLE
#define MUTABLE mutable
#else
#define MUTABLE
#endif
// ----------------------------------------------------------------------------
// types used in this module
// ----------------------------------------------------------------------------
@@ -217,7 +208,17 @@ public:
bool GetFirstKey (wxString& strKeyName , long& lIndex);
bool GetNextKey (wxString& strKeyName , long& lIndex) const;
// for wxRegConfig usage only: preallocate some memory for the name
void ReserveMemoryForName(size_t bytes) { m_strKey.reserve(bytes); }
private:
// common part of all ctors
void Init()
{
m_hKey = (WXHKEY) NULL;
m_dwLastError = 0;
}
// no copy ctor/assignment operator
wxRegKey(const wxRegKey& key); // not implemented
wxRegKey& operator=(const wxRegKey& key); // not implemented
@@ -226,7 +227,7 @@ private:
m_hRootKey; // handle of the top key (i.e. StdKey)
wxString m_strKey; // key name (relative to m_hRootKey)
MUTABLE long m_dwLastError; // last error (0 if none)
long m_dwLastError; // last error (0 if none)
};
#endif //_REGISTRY_H

39
src/common/log.cpp
View File

@@ -96,6 +96,12 @@ static wxCriticalSection gs_csLogBuf;
#endif // wxUSE_THREADS
// return true if we have a non NULL non disabled log target
static inline bool IsLoggingEnabled()
{
return wxLog::IsEnabled() && (wxLog::GetActiveTarget() != NULL);
}
// ----------------------------------------------------------------------------
// implementation of Log functions
//
@@ -106,6 +112,7 @@ static wxCriticalSection gs_csLogBuf;
// generic log function
void wxLogGeneric(wxLogLevel level, const wxChar *szFormat, ...)
{
<<<<<<< log.cpp
if ( wxLog::GetActiveTarget() != NULL ) {
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
@@ -113,15 +120,29 @@ void wxLogGeneric(wxLogLevel level, const wxChar *szFormat, ...)
va_start(argptr, szFormat);
wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
va_end(argptr);
=======
if ( IsLoggingEnabled() ) {
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
>>>>>>> 1.93.2.3
<<<<<<< log.cpp
wxLog::OnLog(level, s_szBuf, time(NULL));
}
=======
va_list argptr;
va_start(argptr, szFormat);
wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
va_end(argptr);
wxLog::OnLog(level, s_szBuf, time(NULL));
}
>>>>>>> 1.93.2.3
}
#define IMPLEMENT_LOG_FUNCTION(level) \
void wxLog##level(const wxChar *szFormat, ...) \
{ \
if ( wxLog::GetActiveTarget() != NULL ) { \
if ( IsLoggingEnabled() ) { \
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \
\
va_list argptr; \
@@ -143,6 +164,7 @@ IMPLEMENT_LOG_FUNCTION(Status)
// same as info, but only if 'verbose' mode is on
void wxLogVerbose(const wxChar *szFormat, ...)
{
if ( IsLoggingEnabled() ) {
wxLog *pLog = wxLog::GetActiveTarget();
if ( pLog != NULL && pLog->GetVerbose() ) {
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
@@ -154,6 +176,7 @@ void wxLogVerbose(const wxChar *szFormat, ...)
wxLog::OnLog(wxLOG_Info, s_szBuf, time(NULL));
}
}
}
// debug functions
@@ -161,7 +184,7 @@ void wxLogVerbose(const wxChar *szFormat, ...)
#define IMPLEMENT_LOG_DEBUG_FUNCTION(level) \
void wxLog##level(const wxChar *szFormat, ...) \
{ \
if ( wxLog::GetActiveTarget() != NULL ) { \
if ( IsLoggingEnabled() ) { \
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \
\
va_list argptr; \
@@ -175,9 +198,7 @@ void wxLogVerbose(const wxChar *szFormat, ...)
void wxLogTrace(const wxChar *mask, const wxChar *szFormat, ...)
{
wxLog *pLog = wxLog::GetActiveTarget();
if ( pLog != NULL && wxLog::IsAllowedTraceMask(mask) ) {
if ( IsLoggingEnabled() && wxLog::IsAllowedTraceMask(mask) ) {
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
wxChar *p = s_szBuf;
@@ -205,12 +226,10 @@ void wxLogVerbose(const wxChar *szFormat, ...)
void wxLogTrace(wxTraceMask mask, const wxChar *szFormat, ...)
{
wxLog *pLog = wxLog::GetActiveTarget();
// we check that all of mask bits are set in the current mask, so
// that wxLogTrace(wxTraceRefCount | wxTraceOle) will only do something
// if both bits are set.
if ( pLog != NULL && ((pLog->GetTraceMask() & mask) == mask) ) {
if ( IsLoggingEnabled() && ((wxLog::GetTraceMask() & mask) == mask) ) {
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
va_list argptr;
@@ -245,6 +264,7 @@ void wxLogSysErrorHelper(long lErrCode)
void WXDLLEXPORT wxLogSysError(const wxChar *szFormat, ...)
{
if ( IsLoggingEnabled() ) {
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
va_list argptr;
@@ -253,10 +273,12 @@ void WXDLLEXPORT wxLogSysError(const wxChar *szFormat, ...)
va_end(argptr);
wxLogSysErrorHelper(wxSysErrorCode());
}
}
void WXDLLEXPORT wxLogSysError(long lErrCode, const wxChar *szFormat, ...)
{
if ( IsLoggingEnabled() ) {
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
va_list argptr;
@@ -265,6 +287,7 @@ void WXDLLEXPORT wxLogSysError(long lErrCode, const wxChar *szFormat, ...)
va_end(argptr);
wxLogSysErrorHelper(lErrCode);
}
}
// ----------------------------------------------------------------------------

8
src/common/wincmn.cpp
View File

@@ -127,14 +127,12 @@ void wxWindowBase::InitBase()
#endif // wxUSE_VALIDATORS
// use the system default colours
wxSystemSettings settings;
m_backgroundColour = settings.GetSystemColour(wxSYS_COLOUR_BTNFACE);
// m_foregroundColour = *wxBLACK; // TODO take this from sys settings too?
m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_BTNFACE);
m_foregroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT);
// GRG, changed Mar/2000
m_font = settings.GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
m_font = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
// no style bits
m_exStyle =
m_windowStyle = 0;

250
src/msw/regconf.cpp
View File

@@ -112,14 +112,28 @@ wxRegConfig::wxRegConfig(const wxString& appName, const wxString& vendorName,
//else: we don't need to do all the complicated stuff above
wxString str = strLocal.IsEmpty() ? strRoot : strLocal;
// as we're going to change the name of these keys fairly often and as
// there are only few of wxRegConfig objects (usually 1), we can allow
// ourselves to be generous and spend some memory to significantly improve
// performance of SetPath()
static const size_t MEMORY_PREALLOC = 512;
m_keyLocalRoot.ReserveMemoryForName(MEMORY_PREALLOC);
m_keyLocal.ReserveMemoryForName(MEMORY_PREALLOC);
m_keyLocalRoot.SetName(wxRegKey::HKCU, SOFTWARE_KEY + str);
m_keyLocal.SetName(m_keyLocalRoot, "");
m_keyLocal.SetName(m_keyLocalRoot, _T(""));
if ( bDoUseGlobal )
{
str = strGlobal.IsEmpty() ? strRoot : strGlobal;
m_keyGlobalRoot.ReserveMemoryForName(MEMORY_PREALLOC);
m_keyGlobal.ReserveMemoryForName(MEMORY_PREALLOC);
m_keyGlobalRoot.SetName(wxRegKey::HKLM, SOFTWARE_KEY + str);
m_keyGlobal.SetName(m_keyGlobalRoot, "");
m_keyGlobal.SetName(m_keyGlobalRoot, _T(""));
}
// Create() will Open() if key already exists
@@ -146,8 +160,23 @@ wxRegConfig::~wxRegConfig()
// ----------------------------------------------------------------------------
// path management
// ----------------------------------------------------------------------------
// this function is called a *lot* of times (as I learned after seeing from
// profiler output that it is called ~12000 times from Mahogany start up code!)
// so it is important to optimize it - in particular, avoid using generic
// string functions here and do everything manually because it is faster
//
// I still kept the old version to be able to check that the optimized code has
// the same output as the non optimized version.
void wxRegConfig::SetPath(const wxString& strPath)
{
// remember the old path
wxString strOldPath = m_strPath;
#ifdef WX_DEBUG_SET_PATH // non optimized version kept here for testing
wxString m_strPathAlt;
{
wxArrayString aParts;
// because GetPath() returns "" when we're at root, we must understand
@@ -164,29 +193,186 @@ void wxRegConfig::SetPath(const wxString& strPath)
}
// recombine path parts in one variable
wxString strOldPath = m_strPath, strRegPath;
m_strPath.Empty();
wxString strRegPath;
m_strPathAlt.Empty();
for ( size_t n = 0; n < aParts.Count(); n++ ) {
strRegPath << '\\' << aParts[n];
m_strPath << wxCONFIG_PATH_SEPARATOR << aParts[n];
m_strPathAlt << wxCONFIG_PATH_SEPARATOR << aParts[n];
}
}
#endif // 0
// check for the most common case first
if ( strPath.empty() )
{
m_strPath = wxCONFIG_PATH_SEPARATOR;
}
else // not root
{
// construct the full path
wxString strFullPath;
if ( strPath[0u] == wxCONFIG_PATH_SEPARATOR )
{
// absolute path
strFullPath = strPath;
}
else // relative path
{
strFullPath.reserve(2*m_strPath.length());
strFullPath << m_strPath << wxCONFIG_PATH_SEPARATOR << strPath;
}
// simplify it: we need to handle ".." here
// count the total number of slashes we have to know if we can go upper
size_t totalSlashes = 0;
// position of the last slash to be able to backtrack to it quickly if
// needed, but we set it to -1 if we don't have a valid position
//
// we only remember the last position which means that we handle ".."
// quite efficiently but not "../.." - however the latter should be
// much more rare, so it is probably ok
int posLastSlash = -1;
const wxChar *src = strFullPath.c_str();
size_t len = strFullPath.length();
const wxChar *end = src + len;
wxChar *dst = m_strPath.GetWriteBuf(len);
wxChar *start = dst;
for ( ; src < end; src++, dst++ )
{
if ( *src == wxCONFIG_PATH_SEPARATOR )
{
// check for "/.."
// note that we don't have to check for src < end here as
// *end == 0 so can't be '.'
if ( src[1] == _T('.') && src[2] == _T('.') &&
(src + 3 == end || src[3] == wxCONFIG_PATH_SEPARATOR) )
{
if ( !totalSlashes )
{
wxLogWarning(_("'%s' has extra '..', ignored."),
strFullPath.c_str());
}
else // return to the previous path component
{
// do we already have its position?
if ( posLastSlash == -1 )
{
// no, find it: note that we are sure to have one
// because totalSlashes > 0 so we don't have to
// check the boundary condition below
// this is more efficient than strrchr()
while ( *dst != wxCONFIG_PATH_SEPARATOR )
{
dst--;
}
}
else // the position of last slash was stored
{
// go directly there
dst = start + posLastSlash;
// invalidate posLastSlash
posLastSlash = -1;
}
// this shouldn't happen
wxASSERT_MSG( *dst == wxCONFIG_PATH_SEPARATOR,
_T("error in wxRegConfig::SetPath") );
// we killed one
totalSlashes--;
}
// skip both dots
src += 2;
}
else // not "/.."
{
if ( (dst == start) || (dst[-1] != wxCONFIG_PATH_SEPARATOR) )
{
*dst = wxCONFIG_PATH_SEPARATOR;
posLastSlash = dst - start;
totalSlashes++;
}
//else: nothing to do, we squeeze several subseuquent
// slashes into one
}
}
else // normal character
{
// just copy
*dst = *src;
}
}
// NUL terminate the string
if ( dst[-1] == wxCONFIG_PATH_SEPARATOR && (dst != start + 1) )
{
// if it has a trailing slash we remove it unless it is the only
// string character
dst--;
}
*dst = _T('\0');
m_strPath.UngetWriteBuf(dst - start);
}
#ifdef WX_DEBUG_SET_PATH
wxASSERT( m_strPath == m_strPathAlt );
#endif
if ( m_strPath == strOldPath )
return;
// registry APIs want backslashes instead of slashes
wxString strRegPath;
size_t len = m_strPath.length();
const wxChar *src = m_strPath.c_str();
wxChar *dst = strRegPath.GetWriteBuf(len);
const wxChar *end = src + len;
for ( ; src < end; src++, dst++ )
{
if ( *src == wxCONFIG_PATH_SEPARATOR )
*dst = _T('\\');
else
*dst = *src;
}
strRegPath.UngetWriteBuf(len);
// this is not needed any longer as we don't create keys unnecessarily any
// more (now it is done on demand, i.e. only when they're going to contain
// something)
#if 0
// as we create the registry key when SetPath(key) is done, we can be left
// with plenty of empty keys if this was only done to try to read some value
// which, in fact, doesn't exist - to prevent this from happening we
// with plenty of empty keys if this was only done to try to read some
// value which, in fact, doesn't exist - to prevent this from happening we
// automatically delete the old key if it was empty
if ( m_keyLocal.IsEmpty() )
if ( m_keyLocal.Exists() && LocalKey().IsEmpty() )
{
m_keyLocal.DeleteSelf();
}
#endif // 0
// change current key(s)
m_keyLocal.SetName(m_keyLocalRoot, strRegPath);
m_keyGlobal.SetName(m_keyGlobalRoot, strRegPath);
m_keyLocal.Create();
// don't create it right now, wait until it is accessed
//m_keyLocal.Create();
wxLogNull nolog;
m_keyGlobal.Open();
@@ -219,7 +405,7 @@ bool wxRegConfig::GetNextGroup(wxString& str, long& lIndex) const
if ( m_keyGlobal.IsOpened() && !IS_LOCAL_INDEX(lIndex) ) {
// try to find a global entry which doesn't appear locally
while ( m_keyGlobal.GetNextKey(str, lIndex) ) {
if ( !m_keyLocal.HasSubKey(str) ) {
if ( !m_keyLocal.Exists() || !LocalKey().HasSubKey(str) ) {
// ok, found one - return it
return TRUE;
}
@@ -229,10 +415,14 @@ bool wxRegConfig::GetNextGroup(wxString& str, long& lIndex) const
lIndex |= LOCAL_MASK;
}
// if we don't have the key at all, don't try to enumerate anything under it
if ( !m_keyLocal.Exists() )
return FALSE;
// much easier with local entries: get the next one we find
// (don't forget to clear our flag bit and set it again later)
lIndex &= ~LOCAL_MASK;
bool bOk = m_keyLocal.GetNextKey(str, lIndex);
bool bOk = LocalKey().GetNextKey(str, lIndex);
lIndex |= LOCAL_MASK;
return bOk;
@@ -250,7 +440,7 @@ bool wxRegConfig::GetNextEntry(wxString& str, long& lIndex) const
if ( m_keyGlobal.IsOpened() && !IS_LOCAL_INDEX(lIndex) ) {
// try to find a global entry which doesn't appear locally
while ( m_keyGlobal.GetNextValue(str, lIndex) ) {
if ( !m_keyLocal.HasValue(str) ) {
if ( !m_keyLocal.Exists() || !LocalKey().HasValue(str) ) {
// ok, found one - return it
return TRUE;
}
@@ -260,10 +450,14 @@ bool wxRegConfig::GetNextEntry(wxString& str, long& lIndex) const
lIndex |= LOCAL_MASK;
}
// if we don't have the key at all, don't try to enumerate anything under it
if ( !m_keyLocal.Exists() )
return FALSE;
// much easier with local entries: get the next one we find
// (don't forget to clear our flag bit and set it again later)
lIndex &= ~LOCAL_MASK;
bool bOk = m_keyLocal.GetNextValue(str, lIndex);
bool bOk = LocalKey().GetNextValue(str, lIndex);
lIndex |= LOCAL_MASK;
return bOk;
@@ -313,7 +507,8 @@ bool wxRegConfig::HasGroup(const wxString& key) const
wxString strName(path.Name());
return m_keyLocal.HasSubKey(strName) || m_keyGlobal.HasSubKey(strName);
return (m_keyLocal.Exists() && LocalKey().HasSubKey(strName)) ||
m_keyGlobal.HasSubKey(strName);
}
bool wxRegConfig::HasEntry(const wxString& key) const
@@ -322,7 +517,8 @@ bool wxRegConfig::HasEntry(const wxString& key) const
wxString strName(path.Name());
return m_keyLocal.HasValue(strName) || m_keyGlobal.HasValue(strName);
return (m_keyLocal.Exists() && LocalKey().HasValue(strName)) ||
m_keyGlobal.HasValue(strName);
}
wxConfigBase::EntryType wxRegConfig::GetEntryType(const wxString& key) const
@@ -332,7 +528,7 @@ wxConfigBase::EntryType wxRegConfig::GetEntryType(const wxString& key) const
wxString strName(path.Name());
bool isNumeric;
if ( m_keyLocal.HasValue(strName) )
if ( m_keyLocal.Exists() && LocalKey().HasValue(strName) )
isNumeric = m_keyLocal.IsNumericValue(strName);
else if ( m_keyGlobal.HasValue(strName) )
isNumeric = m_keyGlobal.IsNumericValue(strName);
@@ -356,7 +552,7 @@ bool wxRegConfig::Read(const wxString& key, wxString *pStr) const
// overriden by the local key with the same name
if ( IsImmutable(path.Name()) ) {
if ( TryGetValue(m_keyGlobal, path.Name(), *pStr) ) {
if ( m_keyLocal.HasValue(path.Name()) ) {
if ( m_keyLocal.Exists() && LocalKey().HasValue(path.Name()) ) {
wxLogWarning(wxT("User value for immutable key '%s' ignored."),
path.Name().c_str());
}
@@ -370,7 +566,7 @@ bool wxRegConfig::Read(const wxString& key, wxString *pStr) const
}
// first try local key
if ( TryGetValue(m_keyLocal, path.Name(), *pStr) ||
if ( (m_keyLocal.Exists() && TryGetValue(LocalKey(), path.Name(), *pStr)) ||
(bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), *pStr)) ) {
// nothing to do
@@ -392,7 +588,7 @@ bool wxRegConfig::Read(const wxString& key, wxString *pStr,
// overriden by the local key with the same name
if ( IsImmutable(path.Name()) ) {
if ( TryGetValue(m_keyGlobal, path.Name(), *pStr) ) {
if ( m_keyLocal.HasValue(path.Name()) ) {
if ( m_keyLocal.Exists() && LocalKey().HasValue(path.Name()) ) {
wxLogWarning(wxT("User value for immutable key '%s' ignored."),
path.Name().c_str());
}
@@ -406,7 +602,7 @@ bool wxRegConfig::Read(const wxString& key, wxString *pStr,
}
// first try local key
if ( TryGetValue(m_keyLocal, path.Name(), *pStr) ||
if ( (m_keyLocal.Exists() && TryGetValue(LocalKey(), path.Name(), *pStr)) ||
(bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), *pStr)) ) {
*pStr = wxConfigBase::ExpandEnvVars(*pStr);
return TRUE;
@@ -435,7 +631,7 @@ bool wxRegConfig::Read(const wxString& key, long *plResult) const
// overriden by the local key with the same name
if ( IsImmutable(path.Name()) ) {
if ( TryGetValue(m_keyGlobal, path.Name(), plResult) ) {
if ( m_keyLocal.HasValue(path.Name()) ) {
if ( m_keyLocal.Exists() && LocalKey().HasValue(path.Name()) ) {
wxLogWarning(wxT("User value for immutable key '%s' ignored."),
path.Name().c_str());
}
@@ -449,7 +645,7 @@ bool wxRegConfig::Read(const wxString& key, long *plResult) const
}
// first try local key
if ( TryGetValue(m_keyLocal, path.Name(), plResult) ||
if ( (m_keyLocal.Exists() && TryGetValue(LocalKey(), path.Name(), plResult)) ||
(bQueryGlobal && TryGetValue(m_keyGlobal, path.Name(), plResult)) ) {
return TRUE;
}
@@ -465,7 +661,7 @@ bool wxRegConfig::Write(const wxString& key, const wxString& szValue)
return FALSE;
}
return m_keyLocal.SetValue(path.Name(), szValue);
return LocalKey().SetValue(path.Name(), szValue);
}
bool wxRegConfig::Write(const wxString& key, long lValue)
@@ -477,7 +673,7 @@ bool wxRegConfig::Write(const wxString& key, long lValue)
return FALSE;
}
return m_keyLocal.SetValue(path.Name(), lValue);
return LocalKey().SetValue(path.Name(), lValue);
}
// ----------------------------------------------------------------------------
@@ -548,13 +744,15 @@ bool wxRegConfig::DeleteEntry(const wxString& value, bool bGroupIfEmptyAlso)
{
wxConfigPathChanger path(this, value);
if ( m_keyLocal.Exists() ) {
if ( !m_keyLocal.DeleteValue(path.Name()) )
return FALSE;
if ( m_keyLocal.IsEmpty() ) {
wxString strKey = GetPath().AfterLast(wxCONFIG_PATH_SEPARATOR);
SetPath(".."); // changes m_keyLocal
return m_keyLocal.DeleteKey(strKey);
return LocalKey().DeleteKey(strKey);
}
}
return TRUE;
@@ -564,7 +762,7 @@ bool wxRegConfig::DeleteGroup(const wxString& key)
{
wxConfigPathChanger path(this, key);
return m_keyLocal.DeleteKey(path.Name());
return m_keyLocal.Exists() ? LocalKey().DeleteKey(path.Name()) : TRUE;
}
bool wxRegConfig::DeleteAll()

39
src/msw/registry.cpp
View File

@@ -91,12 +91,12 @@ aStdKeys[] =
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
// @ const_cast<> is not yet supported by all compilers
// const_cast<> is not yet supported by all compilers
#define CONST_CAST ((wxRegKey *)this)->
#if !USE_MUTABLE
#define m_dwLastError CONST_CAST m_dwLastError
#endif
// and neither is mutable which m_dwLastError should be
#define m_dwLastError CONST_CAST m_dwLastError
// ----------------------------------------------------------------------------
// non member functions
@@ -186,16 +186,16 @@ wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(WXHKEY hkey)
wxRegKey::wxRegKey()
{
m_hKey = 0;
m_hRootKey = (WXHKEY) aStdKeys[HKCR].hkey;
m_dwLastError = 0;
Init();
}
wxRegKey::wxRegKey(const wxString& strKey) : m_strKey(strKey)
{
m_hRootKey = (WXHKEY) aStdKeys[ExtractKeyName(m_strKey)].hkey;
m_hKey = (WXHKEY) NULL;
m_dwLastError = 0;
Init();
}
// parent is a predefined (and preopened) key
@@ -203,8 +203,8 @@ wxRegKey::wxRegKey(StdKey keyParent, const wxString& strKey) : m_strKey(strKey)
{
RemoveTrailingSeparator(m_strKey);
m_hRootKey = (WXHKEY) aStdKeys[keyParent].hkey;
m_hKey = (WXHKEY) NULL;
m_dwLastError = 0;
Init();
}
// parent is a normal regkey
@@ -221,8 +221,8 @@ wxRegKey::wxRegKey(const wxRegKey& keyParent, const wxString& strKey)
RemoveTrailingSeparator(m_strKey);
m_hRootKey = keyParent.m_hRootKey;
m_hKey = (WXHKEY) NULL;
m_dwLastError = 0;
Init();
}
// dtor closes the key releasing system resource
@@ -260,7 +260,14 @@ void wxRegKey::SetName(const wxRegKey& keyParent, const wxString& strKey)
Close();
// combine our name with parent's to get the full name
m_strKey = keyParent.m_strKey;
// NB: this method is called by wxRegConfig::SetPath() which is a performance
// critical function and so it preallocates space for our m_strKey to
// gain some speed - this is why we only use += here and not = which
// would just free the prealloc'd buffer and would have to realloc it the
// next line!
m_strKey.clear();
m_strKey += keyParent.m_strKey;
if ( !strKey.IsEmpty() && strKey[0] != REG_SEPARATOR )
m_strKey += REG_SEPARATOR;
m_strKey += strKey;
@@ -408,16 +415,14 @@ bool wxRegKey::Close()
{
if ( IsOpened() ) {
m_dwLastError = RegCloseKey((HKEY) m_hKey);
m_hKey = 0;
if ( m_dwLastError != ERROR_SUCCESS ) {
wxLogSysError(m_dwLastError, _("Can't close registry key '%s'"),
GetName().c_str());
m_hKey = 0;
return FALSE;
}
else {
m_hKey = 0;
}
}
return TRUE;

18
src/msw/utils.cpp
View File

@@ -990,10 +990,22 @@ void wxGetMousePosition( int* x, int* y )
// Return TRUE if we have a colour display
bool wxColourDisplay()
{
ScreenHDC dc;
int noCols = GetDeviceCaps(dc, NUMCOLORS);
// this function is called from wxDC ctor so it is called a *lot* of times
// hence we optimize it a bit but doign the check only once
//
// this should be MT safe as only the GUI thread (holding the GUI mutex)
// can call us
static int s_isColour = -1;
return (noCols == -1) || (noCols > 2);
if ( s_isColour == -1 )
{
ScreenHDC dc;
int noCols = ::GetDeviceCaps(dc, NUMCOLORS);
s_isColour = (noCols == -1) || (noCols > 2);
}
return s_isColour != 0;
}
// Returns depth of screen