int Entry::extract_icon(ICONCACHE_FLAGS flags)
{
TCHAR path[MAX_PATH];
ICON_ID icon_id = ICID_NONE;
if (_etype!=ET_SHELL && get_path(path, COUNTOF(path))) // not for ET_SHELL to display the correct desktop icon
if (!(flags & ICF_MIDDLE)) // not for ICF_MIDDLE to extract 24x24 icons because SHGetFileInfo() doesn't support this icon size
icon_id = g_Globals._icon_cache.extract(path, flags);
if (icon_id == ICID_NONE) {
if (!(flags & ICF_OVERLAYS)) {
IExtractIcon* pExtract;
if (SUCCEEDED(GetUIObjectOf(0, IID_IExtractIcon, (LPVOID*)&pExtract))) {
unsigned gil_flags = 0;
int idx;
if (flags & ICF_OPEN)
gil_flags |= GIL_OPENICON;
if (SUCCEEDED(pExtract->GetIconLocation(GIL_FORSHELL, path, COUNTOF(path), &idx, &gil_flags))) {
if (gil_flags & GIL_NOTFILENAME)
icon_id = g_Globals._icon_cache.extract(pExtract, path, idx, flags);
else {
if (idx == -1)
idx = 0; // special case for some control panel applications ("System")
icon_id = g_Globals._icon_cache.extract(path, idx, flags);
}
/* using create_absolute_pidl() [see below] results in more correct icons for some control panel applets (NVidia display driver).
if (icon_id == ICID_NONE) {
SHFILEINFO sfi;
if (SHGetFileInfo(path, 0, &sfi, sizeof(sfi), SHGFI_ICON|SHGFI_SMALLICON))
icon_id = g_Globals._icon_cache.add(sfi.hIcon)._id;
} */
/*
if (icon_id == ICID_NONE) {
LPBYTE b = (LPBYTE) alloca(0x10000);
SHFILEINFO sfi;
FILE* file = fopen(path, "rb");
if (file) {
int l = fread(b, 1, 0x10000, file);
fclose(file);
if (l)
icon_id = g_Globals._icon_cache.add(CreateIconFromResourceEx(b, l, TRUE, 0x00030000, 16, 16, LR_DEFAULTCOLOR));
}
} */
}
}
}
if (icon_id == ICID_NONE) {
const ShellPath& pidl_abs = create_absolute_pidl();
LPCITEMIDLIST pidl = pidl_abs;
icon_id = g_Globals._icon_cache.extract(pidl, flags);
}
}
return icon_id;
}
QString FhoIcon::getImageIdForFile(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);
if (SUCCEEDED(hres)) {
QString iconResourceFile = QString::fromWCharArray(str);
// this may return "*" and does not always refer to a real existing file; see above!
QString imageId = "@" + iconResourceFile + "," + QString::number(index); // did we already expand the resource file name?
return imageId;
} else {
return getImageIdForFile(pidlChildItem);
}
pExtractIcon->Release();
} else {
return getImageIdForFile(pidlChildItem);
}
}
/*
* Class: sun_awt_shell_Win32ShellFolder
* Method: getIcon
* Signature: (JJZ)J
*/
JNIEXPORT jlong JNICALL Java_sun_awt_shell_Win32ShellFolder_getIcon__JJZ
(JNIEnv* env, jobject folder, jlong parentIShellFolder, jlong relativePIDL,
jboolean getLargeIcon)
{
IShellFolder* pParent = (IShellFolder*)parentIShellFolder;
if (pParent == NULL) {
return 0;
}
LPITEMIDLIST pidl = (LPITEMIDLIST)relativePIDL;
if (pidl == NULL) {
return 0;
}
IExtractIcon* pIcon;
if (pParent->GetUIObjectOf(NULL, 1, const_cast<LPCITEMIDLIST*>(&pidl),
IID_IExtractIcon, NULL, (void**)&pIcon) != S_OK) {
return 0;
}
CHAR szBuf[MAX_PATH];
INT index;
UINT flags;
if (pIcon->GetIconLocation(
GIL_FORSHELL, szBuf, MAX_PATH, &index, &flags)
!= S_OK) {
pIcon->Release();
return 0;
}
HICON hIcon;
HICON hIconLarge;
if (pIcon->Extract(szBuf, index, &hIconLarge, &hIcon, (16 << 16) + 32) != S_OK) {
pIcon->Release();
return 0;
}
return (jlong)(getLargeIcon ? hIconLarge : hIcon);
}
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);
}
}
int ShellEntry::extract_icon()
{
TCHAR path[MAX_PATH];
ICON_ID icon_id = ICID_NONE;
if (get_path(path, COUNTOF(path)))
icon_id = g_Globals._icon_cache.extract(path);
if (icon_id == ICID_NONE) {
IExtractIcon* pExtract;
if (SUCCEEDED(GetUIObjectOf(0, IID_IExtractIcon, (LPVOID*)&pExtract))) {
unsigned flags;
int idx;
if (SUCCEEDED(pExtract->GetIconLocation(GIL_FORSHELL, path, MAX_PATH, &idx, &flags))) {
if (flags & GIL_NOTFILENAME)
icon_id = g_Globals._icon_cache.extract(pExtract, path, idx);
else {
if (idx == -1)
idx = 0; // special case for some control panel applications ("System")
icon_id = g_Globals._icon_cache.extract(path, idx);
}
/* using create_absolute_pidl() [see below] results in more correct icons for some control panel applets ("NVidia").
if (icon_id == ICID_NONE) {
SHFILEINFO sfi;
if (SHGetFileInfo(path, 0, &sfi, sizeof(sfi), SHGFI_ICON|SHGFI_SMALLICON))
icon_id = g_Globals._icon_cache.add(sfi.hIcon)._id;
} */
/*
if (icon_id == ICID_NONE) {
LPBYTE b = (LPBYTE) alloca(0x10000);
SHFILEINFO sfi;
FILE* file = fopen(path, "rb");
if (file) {
int l = fread(b, 1, 0x10000, file);
fclose(file);
if (l)
icon_id = g_Globals._icon_cache.add(CreateIconFromResourceEx(b, l, TRUE, 0x00030000, 16, 16, LR_DEFAULTCOLOR));
}
} */
}
}
if (icon_id == ICID_NONE) {
SHFILEINFO sfi;
const ShellPath& pidl_abs = create_absolute_pidl();
LPCITEMIDLIST pidl = pidl_abs;
HIMAGELIST himlSys = (HIMAGELIST) SHGetFileInfo((LPCTSTR)pidl, 0, &sfi, sizeof(sfi), SHGFI_SYSICONINDEX|SHGFI_PIDL|SHGFI_SMALLICON);
if (himlSys)
icon_id = g_Globals._icon_cache.add(sfi.iIcon);
/*
if (SHGetFileInfo((LPCTSTR)pidl, 0, &sfi, sizeof(sfi), SHGFI_PIDL|SHGFI_ICON|SHGFI_SMALLICON))
icon_id = g_Globals._icon_cache.add(sfi.hIcon)._id;
*/
}
}
return icon_id;
}
