void OnTakePhoto(HWND hwnd)
{
wchar_t filename[MAX_PATH];
// Get the path to the Documents folder.
IShellItem *psi = NULL;
PWSTR pszFolderPath = NULL;
HRESULT hr = SHCreateItemInKnownFolder(FOLDERID_Documents, 0, NULL, IID_PPV_ARGS(&psi));
if (FAILED(hr))
{
goto done;
}
hr = psi->GetDisplayName(SIGDN_FILESYSPATH, &pszFolderPath);
if (FAILED(hr))
{
goto done;
}
// Construct a file name based on the current time.
SYSTEMTIME time;
GetLocalTime(&time);
hr = StringCchPrintf(filename, MAX_PATH, L"MyPhoto%04u_%02u%02u_%02u%02u%02u.jpg",
time.wYear, time.wMonth, time.wDay, time.wHour, time.wMinute, time.wSecond);
if (FAILED(hr))
{
goto done;
}
LPTSTR path = PathCombine(PhotoFileName, pszFolderPath, filename);
if (path == NULL)
{
hr = E_FAIL;
goto done;
}
hr = g_pEngine->TakePhoto(path);
if (FAILED(hr))
{
goto done;
}
_SetStatusText(path);
done:
SafeRelease(&psi);
CoTaskMemFree(pszFolderPath);
if (FAILED(hr))
{
ShowError(hwnd, IDS_ERR_PHOTO, hr);
}
UpdateUI(hwnd);
}
/**
* Get the shell item that represents the library.
*
* \param pwszLibraryName
* The name of the shell library
*
* \param ppShellItem
* If the operation succeeds, ppShellItem outputs the IShellItem2 interface
* that represents the library. The caller is responsible for calling
* Release on the shell item. If the function fails, NULL is returned from
* *ppShellItem.
*/
HRESULT GetShellLibraryItem(LPWSTR pwszLibraryName, IShellItem2** ppShellItem)
{
HRESULT hr = E_NOINTERFACE;
*ppShellItem = NULL;
// Create the real library file name
WCHAR wszRealLibraryName[MAX_PATH] = { 0 };
swprintf_s(wszRealLibraryName, L"%s%s", pwszLibraryName, L".library-ms");
hr = SHCreateItemInKnownFolder(FOLDERID_UsersLibraries, KF_FLAG_DEFAULT_PATH | KF_FLAG_NO_ALIAS, wszRealLibraryName, IID_PPV_ARGS(ppShellItem));
return hr;
}
extern "C" LXCWIN_API HRESULT fileSaveDialog(HWND hWnd, LPWSTR dialogTitle, LPWSTR *result) {
*result = NULL;
HRESULT hr = S_OK;
CoInitialize(nullptr);
IFileOpenDialog *pfd = NULL;// yes, *open*, since this dialog selects an existing parent dir, not a new file
hr = CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pfd));
if (SUCCEEDED(hr)) {
// set default folder to "My Documents"
IShellItem *psiDocuments = NULL;
hr = SHCreateItemInKnownFolder(FOLDERID_Documents, 0, NULL,
IID_PPV_ARGS(&psiDocuments));
if (SUCCEEDED(hr)) {
hr = pfd->SetDefaultFolder(psiDocuments);
psiDocuments->Release();
}
// dialog title
pfd->SetTitle(dialogTitle);
// ok button text
pfd->SetOkButtonLabel(L"Choose target");
// only choose directories
DWORD dwOptions;
hr = pfd->GetOptions(&dwOptions);
if (SUCCEEDED(hr)) {
pfd->SetOptions(dwOptions | FOS_PICKFOLDERS);
}
// show the save dialog
hr = pfd->Show(hWnd);
if (SUCCEEDED(hr)) {
IShellItem *psiaResult;
hr = pfd->GetResult(&psiaResult);
if (SUCCEEDED(hr)) {
psiaResult->GetDisplayName(SIGDN_FILESYSPATH, &(*result));
psiaResult->Release();
}
}
pfd->Release();
}
return hr;
}
// This helper creates the scope object that is a collection of shell items that
// define where the search will operate.
HRESULT CreateScope(IShellItemArray **ppsia)
{
*ppsia = NULL;
IObjectCollection *pObjects;
HRESULT hr = CreateShellItemArray(IID_PPV_ARGS(&pObjects));
if (SUCCEEDED(hr))
{
IShellItem *psi;
if (SUCCEEDED(SHCreateItemInKnownFolder(FOLDERID_DocumentsLibrary, 0, NULL, IID_PPV_ARGS(&psi))))
{
pObjects->AddObject(psi);
psi->Release();
}
// Other items can be added to pObjects similar to the code above.
hr = pObjects->QueryInterface(ppsia);
pObjects->Release();
}
return hr;
}
// Adds a custom category to the Jump List. Each item that should be in the category is added to
// an ordered collection, and then the category is appended to the Jump List as a whole.
HRESULT _AddCategoryToList(ICustomDestinationList *pcdl, IObjectArray *poaRemoved)
{
IObjectCollection *poc;
HRESULT hr = CoCreateInstance(CLSID_EnumerableObjectCollection, NULL, CLSCTX_INPROC, IID_PPV_ARGS(&poc));
if (SUCCEEDED(hr))
{
for (UINT i = 0; i < ARRAYSIZE(c_rgpszFiles); i++)
{
IShellItem *psi;
if (SUCCEEDED(SHCreateItemInKnownFolder(FOLDERID_Documents, KF_FLAG_DEFAULT, c_rgpszFiles[i], IID_PPV_ARGS(&psi))))
{
// Items listed in the removed list may not be re-added to the Jump List during this
// list-building transaction. They should not be re-added to the Jump List until
// the user has used the item again. The AppendCategory call below will fail if
// an attempt to add an item in the removed list is made.
if (!_IsItemInArray(psi, poaRemoved))
{
poc->AddObject(psi);
}
psi->Release();
}
}
IObjectArray *poa;
hr = poc->QueryInterface(IID_PPV_ARGS(&poa));
if (SUCCEEDED(hr))
{
// Add the category to the Jump List. If there were more categories, they would appear
// from top to bottom in the order they were appended.
hr = pcdl->AppendCategory(L"Custom Category", poa);
poa->Release();
}
poc->Release();
}
return hr;
}
extern "C" LXCWIN_API HRESULT fileOpenDialog(HWND hWnd, DWORD *count, LPWSTR **result) {
*result = NULL;
HRESULT hr = S_OK;
CoInitialize(nullptr);
IFileOpenDialog *pfd = NULL;
hr = CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pfd));
if (SUCCEEDED(hr)) {
// set default folder to "My Documents"
IShellItem *psiDocuments = NULL;
hr = SHCreateItemInKnownFolder(FOLDERID_Documents, 0, NULL,
IID_PPV_ARGS(&psiDocuments));
if (SUCCEEDED(hr)) {
hr = pfd->SetDefaultFolder(psiDocuments);
psiDocuments->Release();
}
// dialog title
pfd->SetTitle(L"Select files to share");
// allow multiselect, restrict to real files
DWORD dwOptions;
hr = pfd->GetOptions(&dwOptions);
if (SUCCEEDED(hr)) {
// ideally, allow selecting folders as well as files, but IFileDialog does not support this :(
pfd->SetOptions(dwOptions | FOS_ALLOWMULTISELECT | FOS_FORCEFILESYSTEM); // | FOS_PICKFOLDERS
}
// do not limit to certain file types
// show the open file dialog
hr = pfd->Show(hWnd);
if (SUCCEEDED(hr)) {
IShellItemArray *psiaResults;
hr = pfd->GetResults(&psiaResults);
if (SUCCEEDED(hr)) {
hr = psiaResults->GetCount(count);
if (SUCCEEDED(hr)) {
*result = (LPWSTR*)calloc(*count, sizeof(LPWSTR));
if (*result != NULL) {
for (DWORD i = 0; i < *count; i++) {
IShellItem *resultItem = NULL;
hr = psiaResults->GetItemAt(i, &resultItem);
if (SUCCEEDED(hr)) {
resultItem->GetDisplayName(SIGDN_FILESYSPATH, &((*result)[i]));
resultItem->Release();
}
}
// paths now contains selected files
}
}
psiaResults->Release();
}
}
pfd->Release();
}
return hr;
}
