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Fixed compilation errors (cannot convert const char * to const wchar *) with UNICODE projects (when "-DUNICODE" is set).

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Fixed control bar showing -2 when webcam is used.

git-svn-id: http://find-object.googlecode.com/svn/trunk/find_object@174 620bd6b2-0a58-f614-fd9a-1bd335dccda9
This commit is contained in:
matlabbe
2012-09-21 14:59:09 +00:00
parent 817f861b63
commit 597a137854
3 changed files with 50 additions and 2 deletions
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src/utilite/UDirectory.cpp
+47 -1
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@@ -103,6 +103,26 @@ void UDirectory::setPath(const std::string & path, const std::string & extension
this->update();
}
#ifdef WIN32
// returned whar_t * must be deleted : delete [] wText;
wchar_t * createWCharFromChar(const char * text)
{
DWORD length = MultiByteToWideChar (CP_ACP, 0, text, -1, NULL, 0);
wchar_t * wText = new wchar_t[length];
MultiByteToWideChar (CP_ACP, 0, text, -1, wText, length );
return wText;
}
// returned char * must be deleted : delete [] text;
char * createCharFromWChar(const wchar_t * wText)
{
DWORD length = WideCharToMultiByte (CP_ACP, 0, wText, -1, NULL, 0, NULL, NULL);
char * text = new char[length];
WideCharToMultiByte (CP_ACP, 0, wText, -1, text, length, NULL, NULL);
return text;
}
#endif
void UDirectory::update()
{
if(exists(path_))
@@ -122,12 +142,24 @@ void UDirectory::update()
fileNames_.clear();
#ifdef WIN32
WIN32_FIND_DATA fileInformation;
#ifdef UNICODE
wchar_t * pathAll = createWCharFromChar((path_+"\\*").c_str());
HANDLE hFile = ::FindFirstFile(pathAll, &fileInformation);
delete [] pathAll;
#else
HANDLE hFile = ::FindFirstFile((path_+"\\*").c_str(), &fileInformation);
#endif
if(hFile != INVALID_HANDLE_VALUE)
{
do
{
#ifdef UNICODE
char * fileName = createCharFromWChar(fileInformation.cFileName);
fileNames_.push_back(fileName);
delete [] fileName;
#else
fileNames_.push_back(fileInformation.cFileName);
#endif
} while(::FindNextFile(hFile, &fileInformation) == TRUE);
::FindClose(hFile);
std::vector<std::string> vFileNames = uListToVector(fileNames_);
@@ -229,8 +261,14 @@ bool UDirectory::exists(const std::string & dirPath)
{
bool r = false;
#if WIN32
#ifdef UNICODE
wchar_t * wDirPath = createWCharFromChar(dirPath.c_str());
DWORD dwAttrib = GetFileAttributes(wDirPath);
delete [] wDirPath;
#else
DWORD dwAttrib = GetFileAttributes(dirPath.c_str());
r = (dwAttrib != INVALID_FILE_ATTRIBUTES && (dwAttrib & FILE_ATTRIBUTE_DIRECTORY));
#endif
r = (dwAttrib != INVALID_FILE_ATTRIBUTES && (dwAttrib & FILE_ATTRIBUTE_DIRECTORY));
#else
DIR *dp;
if((dp = opendir(dirPath.c_str())) != NULL)
@@ -329,9 +367,17 @@ std::string UDirectory::homeDir()
{
std::string path;
#if WIN32
#ifdef UNICODE
wchar_t wProfilePath[250];
ExpandEnvironmentStrings(L"%userprofile%",wProfilePath,250);
char * profilePath = createCharFromWChar(wProfilePath);
path = profilePath;
delete [] profilePath;
#else
char profilePath[250];
ExpandEnvironmentStrings("%userprofile%",profilePath,250);
path = profilePath;
#endif
#else
path = getenv("HOME");
#endif