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reactos/dll/cpl/appwiz/createlink.c

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/*
* PROJECT: ReactOS Software Control Panel
* FILE: dll/cpl/appwiz/createlink.c
* PURPOSE: ReactOS Software Control Panel
* PROGRAMMER: Gero Kuehn (reactos.filter@gkware.com)
* Dmitry Chapyshev (lentind@yandex.ru)
* Johannes Anderwald
* UPDATE HISTORY:
* 06-17-2004 Created
*/
#include "appwiz.h"
#include <tchar.h>
BOOL
IsShortcut(HKEY hKey)
{
WCHAR Value[10];
DWORD Size;
DWORD Type;
Size = sizeof(Value);
if (RegQueryValueExW(hKey, L"IsShortcut", NULL, &Type, (LPBYTE)Value, &Size) != ERROR_SUCCESS)
return FALSE;
if (Type != REG_SZ)
return FALSE;
return (wcsicmp(Value, L"yes") == 0);
}
BOOL
IsExtensionAShortcut(LPWSTR lpExtension)
{
HKEY hKey;
WCHAR Buffer[100];
DWORD Size;
DWORD Type;
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, lpExtension, 0, KEY_READ, &hKey) != ERROR_SUCCESS)
return FALSE;
if (IsShortcut(hKey))
{
RegCloseKey(hKey);
return TRUE;
}
Size = sizeof(Buffer);
if (RegQueryValueEx(hKey, NULL, NULL, &Type, (LPBYTE)Buffer, &Size) != ERROR_SUCCESS || Type != REG_SZ)
{
RegCloseKey(hKey);
return FALSE;
}
RegCloseKey(hKey);
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, Buffer, 0, KEY_READ, &hKey) != ERROR_SUCCESS)
return FALSE;
if (IsShortcut(hKey))
{
RegCloseKey(hKey);
return TRUE;
}
RegCloseKey(hKey);
return FALSE;
}
BOOL
CreateShortcut(PCREATE_LINK_CONTEXT pContext)
{
IShellLinkW *pShellLink, *pSourceShellLink;
IPersistFile *pPersistFile;
HRESULT hr;
WCHAR Path[MAX_PATH];
LPWSTR lpExtension;
/* get the extension */
lpExtension = wcsrchr(pContext->szTarget, '.');
if (IsExtensionAShortcut(lpExtension))
{
hr = CoCreateInstance(&CLSID_ShellLink, NULL, CLSCTX_ALL, &IID_IShellLinkW, (void**)&pSourceShellLink);
if (hr != S_OK)
return FALSE;
hr = pSourceShellLink->lpVtbl->QueryInterface(pSourceShellLink, &IID_IPersistFile, (void**)&pPersistFile);
if (hr != S_OK)
{
pSourceShellLink->lpVtbl->Release(pSourceShellLink);
return FALSE;
}
hr = pPersistFile->lpVtbl->Load(pPersistFile, (LPCOLESTR)pContext->szTarget, STGM_READ);
pPersistFile->lpVtbl->Release(pPersistFile);
if (hr != S_OK)
{
pSourceShellLink->lpVtbl->Release(pSourceShellLink);
return FALSE;
}
hr = pSourceShellLink->lpVtbl->GetPath(pSourceShellLink, Path, sizeof(Path) / sizeof(WCHAR), NULL, 0);
pSourceShellLink->lpVtbl->Release(pSourceShellLink);
if (hr != S_OK)
{
return FALSE;
}
}
else
{
wcscpy(Path, pContext->szTarget);
}
hr = CoCreateInstance(&CLSID_ShellLink, NULL, CLSCTX_ALL,
&IID_IShellLinkW, (void**)&pShellLink);
if (hr != S_OK)
return FALSE;
pShellLink->lpVtbl->SetPath(pShellLink, Path);
pShellLink->lpVtbl->SetDescription(pShellLink, pContext->szDescription);
pShellLink->lpVtbl->SetWorkingDirectory(pShellLink, pContext->szWorkingDirectory);
hr = pShellLink->lpVtbl->QueryInterface(pShellLink, &IID_IPersistFile, (void**)&pPersistFile);
if (hr != S_OK)
{
pShellLink->lpVtbl->Release(pShellLink);
return FALSE;
}
hr = pPersistFile->lpVtbl->Save(pPersistFile, pContext->szLinkName, TRUE);
pPersistFile->lpVtbl->Release(pPersistFile);
pShellLink->lpVtbl->Release(pShellLink);
return (hr == S_OK);
}
INT_PTR
CALLBACK
WelcomeDlgProc(HWND hwndDlg,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
LPPROPSHEETPAGEW ppsp;
PCREATE_LINK_CONTEXT pContext;
LPPSHNOTIFY lppsn;
WCHAR szPath[MAX_PATH];
WCHAR szDesc[100];
BROWSEINFOW brws;
LPITEMIDLIST pidllist;
IMalloc* malloc;
switch(uMsg)
{
case WM_INITDIALOG:
ppsp = (LPPROPSHEETPAGEW)lParam;
pContext = (PCREATE_LINK_CONTEXT) ppsp->lParam;
SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)pContext);
PropSheet_SetWizButtons(GetParent(hwndDlg), 0);
break;
case WM_COMMAND:
switch(HIWORD(wParam))
{
case EN_CHANGE:
if (SendDlgItemMessage(hwndDlg, IDC_SHORTCUT_LOCATION, WM_GETTEXTLENGTH, 0, 0))
{
PropSheet_SetWizButtons(GetParent(hwndDlg), PSWIZB_NEXT);
}
else
{
PropSheet_SetWizButtons(GetParent(hwndDlg), 0);
}
break;
}
switch(LOWORD(wParam))
{
case IDC_SHORTCUT_BROWSE:
ZeroMemory(&brws, sizeof(brws));
brws.hwndOwner = hwndDlg;
brws.pidlRoot = NULL;
brws.pszDisplayName = szPath;
brws.ulFlags = BIF_BROWSEINCLUDEFILES;
brws.lpfn = NULL;
pidllist = SHBrowseForFolderW(&brws);
if (!pidllist)
break;
if (SHGetPathFromIDListW(pidllist, szPath))
SendDlgItemMessage(hwndDlg, IDC_SHORTCUT_LOCATION, WM_SETTEXT, 0, (LPARAM)szPath);
/* Free memory, if possible */
if (SUCCEEDED(SHGetMalloc(&malloc)))
{
IMalloc_Free(malloc, pidllist);
IMalloc_Release(malloc);
}
break;
}
break;
case WM_NOTIFY:
lppsn = (LPPSHNOTIFY) lParam;
if (lppsn->hdr.code == PSN_WIZNEXT)
{
pContext = (PCREATE_LINK_CONTEXT) GetWindowLongPtr(hwndDlg, DWLP_USER);
SendDlgItemMessageW(hwndDlg, IDC_SHORTCUT_LOCATION, WM_GETTEXT, MAX_PATH, (LPARAM)pContext->szTarget);
///
/// FIXME
/// it should also be possible to create a link to folders, shellobjects etc....
///
if (GetFileAttributesW(pContext->szTarget) == INVALID_FILE_ATTRIBUTES)
{
szDesc[0] = L'\0';
szPath[0] = L'\0';
if (LoadStringW(hApplet, IDS_CREATE_SHORTCUT, szDesc, 100) < 100 &&
LoadStringW(hApplet, IDS_ERROR_NOT_FOUND, szPath, MAX_PATH) < MAX_PATH)
{
WCHAR szError[MAX_PATH + 100];
swprintf(szError, szPath, pContext->szTarget);
MessageBoxW(hwndDlg, szError, szDesc, MB_ICONERROR);
}
SendDlgItemMessage(hwndDlg, IDC_SHORTCUT_LOCATION, EM_SETSEL, 0, -1);
SetFocus(GetDlgItem(hwndDlg, IDC_SHORTCUT_LOCATION));
SetWindowLongPtr(hwndDlg, DWL_MSGRESULT, PSNRET_INVALID_NOCHANGEPAGE);
return -1;
}
else
{
WCHAR * first, *last;
wcscpy(pContext->szWorkingDirectory, pContext->szTarget);
first = wcschr(pContext->szWorkingDirectory, L'\\');
last = wcsrchr(pContext->szWorkingDirectory, L'\\');
wcscpy(pContext->szDescription, &last[1]);
if (first != last)
last[0] = L'\0';
else
first[1] = L'\0';
first = wcsrchr(pContext->szDescription, L'.');
if(first)
first[0] = L'\0';
}
}
break;
}
return FALSE;
}
INT_PTR
CALLBACK
FinishDlgProc(HWND hwndDlg,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
LPPROPSHEETPAGEW ppsp;
PCREATE_LINK_CONTEXT pContext;
LPPSHNOTIFY lppsn;
switch(uMsg)
{
case WM_INITDIALOG:
ppsp = (LPPROPSHEETPAGEW)lParam;
pContext = (PCREATE_LINK_CONTEXT) ppsp->lParam;
SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)pContext);
SendDlgItemMessageW(hwndDlg, IDC_SHORTCUT_NAME, WM_SETTEXT, 0, (LPARAM)pContext->szDescription);
PropSheet_SetWizButtons(GetParent(hwndDlg), PSWIZB_BACK | PSWIZB_FINISH);
break;
case WM_COMMAND:
switch(HIWORD(wParam))
{
case EN_CHANGE:
if (SendDlgItemMessage(hwndDlg, IDC_SHORTCUT_NAME, WM_GETTEXTLENGTH, 0, 0))
{
PropSheet_SetWizButtons(GetParent(hwndDlg), PSWIZB_BACK | PSWIZB_FINISH);
}
else
{
PropSheet_SetWizButtons(GetParent(hwndDlg), PSWIZB_BACK);
}
break;
}
break;
case WM_NOTIFY:
lppsn = (LPPSHNOTIFY) lParam;
pContext = (PCREATE_LINK_CONTEXT) GetWindowLongPtr(hwndDlg, DWLP_USER);
if (lppsn->hdr.code == PSN_WIZFINISH)
{
SendDlgItemMessageW(hwndDlg, IDC_SHORTCUT_NAME, WM_GETTEXT, MAX_PATH, (LPARAM)pContext->szDescription);
wcscat(pContext->szLinkName, pContext->szDescription);
wcscat(pContext->szLinkName, L".lnk");
if (!CreateShortcut(pContext))
{
MessageBox(hwndDlg, _T("Failed to create shortcut"), _T("Error"), MB_ICONERROR);
}
}
}
return FALSE;
}
LONG CALLBACK
ShowCreateShortcutWizard(HWND hwndCPl, LPWSTR szPath)
{
PROPSHEETHEADERW psh;
HPROPSHEETPAGE ahpsp[2];
PROPSHEETPAGE psp;
UINT nPages = 0;
UINT nLength;
DWORD attrs;
PCREATE_LINK_CONTEXT pContext = (PCREATE_LINK_CONTEXT) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CREATE_LINK_CONTEXT));
if (!pContext)
{
/* no memory */
return FALSE;
}
nLength = wcslen(szPath);
if (!nLength)
{
HeapFree(GetProcessHeap(), 0, pContext);
/* no directory given */
return FALSE;
}
attrs = GetFileAttributesW(szPath);
if (attrs == INVALID_FILE_ATTRIBUTES)
{
HeapFree(GetProcessHeap(), 0, pContext);
/* invalid path */
return FALSE;
}
wcscpy(pContext->szLinkName, szPath);
if (pContext->szLinkName[nLength-1] != L'\\')
{
pContext->szLinkName[nLength] = L'\\';
pContext->szLinkName[nLength+1] = L'\0';
}
/* Create the Welcome page */
psp.dwSize = sizeof(PROPSHEETPAGE);
psp.dwFlags = PSP_DEFAULT | PSP_HIDEHEADER;
psp.hInstance = hApplet;
psp.pfnDlgProc = WelcomeDlgProc;
psp.pszTemplate = MAKEINTRESOURCEW(IDD_SHORTCUT_LOCATION);
psp.lParam = (LPARAM)pContext;
ahpsp[nPages++] = CreatePropertySheetPage(&psp);
/* Create the Finish page */
psp.dwFlags = PSP_DEFAULT | PSP_HIDEHEADER;
psp.pfnDlgProc = FinishDlgProc;
psp.pszTemplate = MAKEINTRESOURCEW(IDD_SHORTCUT_FINISH);
ahpsp[nPages++] = CreatePropertySheetPage(&psp);
/* Create the property sheet */
psh.dwSize = sizeof(PROPSHEETHEADER);
psh.dwFlags = PSH_WIZARD97 | PSH_WATERMARK;
psh.hInstance = hApplet;
psh.hwndParent = NULL;
psh.nPages = nPages;
psh.nStartPage = 0;
psh.phpage = ahpsp;
psh.pszbmWatermark = MAKEINTRESOURCEW(IDB_SHORTCUT);
/* Display the wizard */
PropertySheet(&psh);
HeapFree(GetProcessHeap(), 0, pContext);
return TRUE;
}
LONG
CALLBACK
NewLinkHereW(HWND hwndCPl, UINT uMsg, LPARAM lParam1, LPARAM lParam2)
{
return ShowCreateShortcutWizard(hwndCPl, (LPWSTR) lParam1);
}
LONG
CALLBACK
NewLinkHereA(HWND hwndCPl, UINT uMsg, LPARAM lParam1, LPARAM lParam2)
{
WCHAR szFile[MAX_PATH];
if (MultiByteToWideChar(CP_ACP, 0, (LPSTR) lParam1, -1, szFile, MAX_PATH))
{
return ShowCreateShortcutWizard(hwndCPl, szFile);
}
return -1;
}
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