QImage FhoIcon::getIconForFile(IShellFolder *psfParentItem, LPITEMIDLIST pidlChildItem) {
HRESULT hres;
IExtractIcon *pExtractIcon = NULL;
hres = psfParentItem->GetUIObjectOf(NULL, 1, const_cast<LPCITEMIDLIST *>(&pidlChildItem), IID_IExtractIcon, NULL, reinterpret_cast<LPVOID *>(&pExtractIcon));
if (SUCCEEDED(hres)) {
TCHAR str[MAX_PATH] = {0};
int index;
UINT flags;
// Get the file location where the icons are stored.
hres = pExtractIcon->GetIconLocation(0, str, MAX_PATH, &index, &flags);
//hres = pExtractIcon->GetIconLocation(GIL_FORSHELL, str, MAX_PATH, &index, &flags);
if (SUCCEEDED(hres)) {
QString iconResourceFile = QString::fromWCharArray(str);
// do not use 'general' getIconFromResource() -> ExtractIcon()!
// use 'specific' pExtractIcon->Extract() instead!
// this is because iconResourceFile returned may be "*" and not refer to a real file! pExtractIcon->Extract() will handle this, ExtractIcon() cannot handle this!
// "*" is dangerous for caching the imageId! we could check if iconResourceFile refers to an existing file!?
HICON hIconLarge = NULL;
UINT nIconSize = MAKELONG(0, 0); // this requests the default size!?
hres = pExtractIcon->Extract(str, index, &hIconLarge, NULL, nIconSize);
if (hres == NOERROR) {
if (hIconLarge) {
QImage image = getIconFromHandle(hIconLarge);
DestroyIcon(hIconLarge);
return image;
} else {
return getIconFromResource(iconResourceFile, index);
}
} else {
return getIconFromResource(iconResourceFile, index);
}
} else {
return getIconForFile(pidlChildItem);
}
pExtractIcon->Release();
} else {
return getIconForFile(pidlChildItem);
}
}
/*=========================================================================
setPath
=========================================================================*/
void KFileBrowser::setPath (const QString &_path)
{
QString path;
if (_path != "")
path = _path;
else
path = homeDir;
QDir dir(path, "*", QDir::DirsFirst);
if (dir.isReadable())
{
emit statusUpdate (tr("Scanning folder..."));
list->clear();
QStringList entries = dir.entryList();
QStringList::ConstIterator it = entries.constBegin();
int count = 0;
while (it != entries.constEnd())
{
if (*it != "." && *it != "..")
{
QListWidgetItem *item = new QListWidgetItem(*it, list);
item->setIcon (getIconForFile (path + "/" + *it));
//QSize size (200, 50);
//item->setSizeHint (size);
count++;
}
++it;
}
this->path = dir.canonicalPath();
pathDisplay->setText (this->path);
QString title;
if (this->path == "/")
title = tr("Files: ") + "/";
else
title = tr("Files: ") + QFileInfo(this->path).fileName();
emit tabTitleChanged ((QWidget *)this, &title);
setViewMode (viewMode);
if (count == 0)
emit statusUpdate (tr("Folder empty"));
else if (count == 1)
emit statusUpdate (QString::number (count) + " " + tr("item")
+ " " + tr("in folder"));
else
emit statusUpdate (QString::number (count) + " " + tr("items")
+ " " + tr("in folder"));
}
else
{
QMessageBox msgBox;
msgBox.setIcon(QMessageBox::Critical);
msgBox.setText("Can't read directory");
msgBox.exec();
}
}
QImage FhoIcon::getIconForFile(LPCWSTR file, UINT basicFlags) {
return getIconForFile(file, basicFlags, 0);
}
QImage FhoIcon::getIconForFile(QString fileName) {
fileName = FhoEnv::expand(fileName);
return getIconForFile((LPCWSTR)fileName.utf16(), 0);
}
QImage FhoIcon::getIconForExtension(QString fileExtension) {
if (!fileExtension.startsWith('.')) {
fileExtension = "." + fileExtension;
}
return getIconForFile((LPCWSTR)fileExtension.utf16(), SHGFI_USEFILEATTRIBUTES, FILE_ATTRIBUTE_NORMAL);
}