Source code of Windows XP (NT5)
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264 lines
6.6 KiB

#include "priv.h"
#ifndef UNIX
#include "sccls.h"
#include "explore2.h"
#include <iethread.h>
#include "resource.h"
#include "itbar.h"
#include "mluisupp.h"
#define DM_FOCUS DM_TRACE
#define SUPERCLASS CSHELLBROWSER
TCHAR const c_szSettings[] = TEXT("Settings");
TCHAR const c_szCabinetExpView[] = TEXT("ExpView");
CExplorerBrowser::CExplorerBrowser()
{
// warning: can't call SUPERCLASS until _Initialize has been called
// (since that's what does the aggregation)
}
CExplorerBrowser::~CExplorerBrowser()
{
if (GetUIVersion() < 5) {
if (_hmenuTemplate)
DestroyMenu(_hmenuTemplate);
if (_hmenuFull)
DestroyMenu(_hmenuFull);
}
}
HRESULT CExplorerBrowser::_Initialize(HWND hwnd, IUnknown *pauto)
{
HRESULT hr;
SHELLSTATE ss = {0};
hr = SUPERCLASS::_Initialize(hwnd, pauto);
if (SUCCEEDED(hr)) {
_fSubclassed = TRUE;
}
return hr;
}
void CExplorerBrowser::v_InitMembers()
{
if (GetUIVersion() < 5) {
_hmenuTemplate = _MenuTemplate(MENU_TEMPLATE, TRUE);
_hmenuFull = _MenuTemplate(MENU_FULL, TRUE);
_hmenuCur = _hmenuTemplate;
} else {
// explorer/non-explorer shell menus same on nt5
SUPERCLASS::v_InitMembers();
}
}
HRESULT CExplorerBrowser_CreateInstance(HWND hwnd, LPVOID* ppsb)
{
HRESULT hr;
CExplorerBrowser *psb = new CExplorerBrowser();
if (psb) {
hr = psb->_Initialize(hwnd, NULL); // aggregation, etc.
if (FAILED(hr)) {
ASSERT(0); // shouldn't happen
ATOMICRELEASE(psb);
}
} else {
// low mem
hr = E_OUTOFMEMORY;
}
*ppsb = (LPVOID)psb;
return hr;
}
IStream* CExplorerBrowser::_GetITBarStream(BOOL fWebBrowser, DWORD grfMode)
{
return GetITBarStream(ITBS_EXPLORER, grfMode);
}
HRESULT CExplorerBrowser::OnCreate(LPCREATESTRUCT pcs)
{
HRESULT hres = SUPERCLASS::OnCreate(pcs);
v_ShowControl(FCW_TREE, SBSC_SHOW);
return hres;
}
DWORD CExplorerBrowser::v_ShowControl(UINT iControl, int iCmd)
{
int iShowing = -1;
switch (iControl) {
case FCW_TREE:
{
// get the current state
iShowing = (IsControlWindowShown(FCW_TREE, NULL) == S_OK) ? SBSC_SHOW : SBSC_HIDE;
if (iCmd != SBSC_QUERY) {
// turn it on/off as requested
VARIANTARG v = {0};
v.vt = VT_I4;
v.lVal = SBSC_SHOW ? 1 : 0;
Exec(&CGID_Explorer, SBCMDID_EXPLORERBAR, 0, &v, NULL);
}
break;
}
default:
return SUPERCLASS::v_ShowControl(iControl, iCmd);
}
return iShowing;
}
// FEATURE: should go to cshellbrowser
void CExplorerBrowser::_EnableMenuItemsByAttribs(HMENU hmenu)
{
if (_pbbd->_pidlCur) {
DWORD dwAttrib = SFGAO_CANDELETE | SFGAO_CANRENAME | SFGAO_HASPROPSHEET;
IEGetAttributesOf(_pbbd->_pidlCur, &dwAttrib);
_EnableMenuItem(hmenu, FCIDM_DELETE, (dwAttrib & SFGAO_CANDELETE));
_EnableMenuItem(hmenu, FCIDM_RENAME, (dwAttrib & SFGAO_CANRENAME));
_EnableMenuItem(hmenu, FCIDM_PROPERTIES, (dwAttrib & SFGAO_HASPROPSHEET));
}
}
BOOL CExplorerBrowser::_ExplorerTreeHasFocus()
{
BOOL bRet = FALSE;
IInputObject* pio;
if (SUCCEEDED(_QIExplorerBand(IID_IInputObject, (void**)&pio)))
{
bRet = (pio->HasFocusIO() == S_OK);
pio->Release();
}
return bRet;
}
LRESULT CExplorerBrowser::v_OnInitMenuPopup(HMENU hmenuPopup, int nIndex, BOOL fSystemMenu)
{
if (hmenuPopup == _GetMenuFromID(FCIDM_MENU_FILE))
{
if (_ExplorerTreeHasFocus())
_EnableMenuItemsByAttribs(hmenuPopup);
}
return SUPERCLASS::v_OnInitMenuPopup(hmenuPopup, nIndex, fSystemMenu);
}
HRESULT CExplorerBrowser::InsertMenusSB(HMENU hmenuShared,
LPOLEMENUGROUPWIDTHS lpMenuWidths)
{
SUPERCLASS::InsertMenusSB(hmenuShared, lpMenuWidths);
if (GetUIVersion() < 5) {
if (lpMenuWidths->width[4] == 1)
lpMenuWidths->width[4] = 2; // we have tools AND help for explorer mode
}
return S_OK;
}
void CExplorerBrowser::v_GetDefaultSettings(IETHREADPARAM *piei)
{
if (GetUIVersion() < 5)
{
// set the flags
piei->fs.fFlags = 0;
piei->fs.ViewMode = FVM_LIST;
ASSERT(DFS_VID_Default == VID_WebView);
#if 0 // If DFS_VID_Default differs from VID_WebView, then turn these lines back on
piei->m_vidRestore = VID_List;
piei->m_dwViewPriority = VIEW_PRIORITY_NONE; // let anyone override the VID_List default
#endif
piei->wv.bStatusBar = g_dfs.bDefStatusBar;
piei->wp.length = 0;
piei->wHotkey = 0;
}
else
SUPERCLASS::v_GetDefaultSettings(piei);
}
void CExplorerBrowser::v_ParentFolder()
{
if (_ShouldAllowNavigateParent()) {
BrowseObject(NULL, SBSP_PARENT | SBSP_SAMEBROWSER);
}
}
HRESULT CExplorerBrowser::BrowseObject(LPCITEMIDLIST pidl, UINT wFlags)
{
// turn non-explore to newbrowser
if ((GetUIVersion() < 5) && (wFlags & SBSP_OPENMODE))
{
wFlags &= ~(SBSP_DEFBROWSER | SBSP_SAMEBROWSER);
wFlags |= SBSP_NEWBROWSER;
}
return SUPERCLASS::BrowseObject(pidl, wFlags);
}
DWORD CExplorerBrowser::v_RestartFlags()
{
return COF_CREATENEWWINDOW | COF_EXPLORE;
}
void CExplorerBrowser::v_GetAppTitleTemplate(LPTSTR pszBuffer, LPTSTR szFullName)
{
if (GetUIVersion() < 5) {
// "exploring - la de da"
TCHAR szBuffer[80];
MLLoadString(IDS_EXPLORING, szBuffer, ARRAYSIZE(szBuffer));
wnsprintf(pszBuffer, ARRAYSIZE(szBuffer) /*Lack of something better*/, TEXT("%s - %%s"), szBuffer);
} else {
SUPERCLASS::v_GetAppTitleTemplate(pszBuffer, szFullName);
}
}
void CExplorerBrowser::_UpdateFolderSettings(LPCITEMIDLIST pidl)
{
if (GetUIVersion() < 5)
{
// Explorer always inherits the view a la win95
_pbbd->_psv->GetCurrentInfo(&_fsd._fs);
}
else
SUPERCLASS::_UpdateFolderSettings(pidl);
}
LPSTREAM CExplorerBrowser::v_GetViewStream(LPCITEMIDLIST pidl, DWORD grfMode,
LPCWSTR pwszName)
{
// if it's asking for general browser info, give it the one browser info.
// otherwise give do what our superclass does
if ((GetUIVersion() < 5) && (StrCmpW(pwszName, L"CabView") == 0))
{
HKEY hk = SHGetShellKey(SHELLKEY_HKCU_EXPLORER, NULL, FALSE);
if (hk)
{
IStream *pstm = OpenRegStream(hk, c_szCabinetExpView, c_szSettings, grfMode);
RegCloseKey(hk);
return pstm;
}
}
return SUPERCLASS::v_GetViewStream(pidl, grfMode, pwszName);
}
#endif