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windows-nt/Source/XPSP1/NT/shell/ext/nsc/browse.c

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2020-09-26 03:20:57 -05:00
//###########################################################################
// Code for the Browse For Starting Folder
//###########################################################################
// Structure to pass information to browse for folder dialog
typedef struct _bfsf
{
HWND hwndOwner;
LPCITEMIDLIST pidlRoot; // Root of search. Typically desktop or my net
LPSTR pszDisplayName;// Return display name of item selected.
int *piImage; // where to return the Image index.
LPCSTR lpszTitle; // resource (or text to go in the banner over the tree.
UINT ulFlags; // Flags that control the return stuff
BFFCALLBACK lpfn;
LPARAM lParam;
HWND hwndDlg; // The window handle to the dialog
HWND hwndTree; // The tree control.
HTREEITEM htiCurParent; // tree item associated with Current shell folder
IShellFolder * psfParent; // Cache of the last IShell folder I needed...
LPITEMIDLIST pidlCurrent; // IDlist of current folder to select
BOOL fShowAllObjects; // Should we Show all ?
} BFSF, *PBFSF;
BOOL CALLBACK _BFSFDlgProc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam);
LPITEMIDLIST _BFSFUpdateISHCache(PBFSF pbfsf, HTREEITEM hti, LPITEMIDLIST pidlItem);
// _BrowseForStartingFolder - Browse for a folder to start the
// search from.
// BUGBUG, give them a way to turn off the ok button.
LPITEMIDLIST WINAPI SHBrowseForFolder(LPBROWSEINFO lpbi)
{
LPITEMIDLIST lpRet;
BFSF bfsf =
{
lpbi->hwndOwner,
lpbi->pidlRoot,
lpbi->pszDisplayName,
&lpbi->iImage,
lpbi->lpszTitle,
lpbi->ulFlags,
lpbi->lpfn,
lpbi->lParam,
};
HCURSOR hcOld = SetCursor(LoadCursor(NULL,IDC_WAIT));
SHELLSTATE ss;
SHGetSetSettings(&ss, SSF_SHOWALLOBJECTS, FALSE);
bfsf.fShowAllObjects = ss.fShowAllObjects;
// Now Create the dialog that will be doing the browsing.
if (DialogBoxParam(HINST_THISDLL, MAKEINTRESOURCE(DLG_BROWSEFORFOLDER),
lpbi->hwndOwner, _BFSFDlgProc, (LPARAM)&bfsf))
lpRet = bfsf.pidlCurrent;
else
lpRet = NULL;
if (hcOld)
SetCursor(hcOld);
return lpRet;
}
void BFSFCallback(PBFSF pbfsf, UINT uMsg, LPARAM lParam)
{
if (pbfsf->lpfn) {
pbfsf->lpfn(pbfsf->hwndDlg, uMsg, lParam, pbfsf->lParam);
}
}
// Some helper functions for processing the dialog
HTREEITEM _AddItemToTree(HWND hwndTree, HTREEITEM htiParent, LPITEMIDLIST pidl, int cChildren)
{
TV_INSERTSTRUCT tii;
// Initialize item to add with callback for everything
tii.item.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE |
TVIF_PARAM | TVIF_CHILDREN;
tii.hParent = htiParent;
tii.hInsertAfter = TVI_FIRST;
tii.item.iImage = I_IMAGECALLBACK;
tii.item.iSelectedImage = I_IMAGECALLBACK;
tii.item.pszText = LPSTR_TEXTCALLBACK; //
tii.item.cChildren = cChildren; // Assume it has children
tii.item.lParam = (LPARAM)pidl;
return TreeView_InsertItem(hwndTree, &tii);
}
LPITEMIDLIST _GetIDListFromTreeItem(HWND hwndTree, HTREEITEM hti)
{
LPITEMIDLIST pidl;
LPITEMIDLIST pidlT;
TV_ITEM tvi;
// If no hti passed in, get the selected on.
if (hti == NULL)
{
hti = TreeView_GetSelection(hwndTree);
if (hti == NULL)
return(NULL);
}
// now lets get the information about the item
tvi.mask = TVIF_PARAM | TVIF_HANDLE;
tvi.hItem = hti;
if (!TreeView_GetItem(hwndTree, &tvi))
return NULL; // Failed again
pidl = ILClone((LPITEMIDLIST)tvi.lParam);
// Now walk up parents.
while ((tvi.hItem = TreeView_GetParent(hwndTree, tvi.hItem)) && pidl)
{
if (!TreeView_GetItem(hwndTree, &tvi))
return(pidl); // will assume I messed up...
pidlT = ILCombine((LPITEMIDLIST)tvi.lParam, pidl);
ILFree(pidl);
pidl = pidlT;
}
return(pidl);
}
int CALLBACK _BFSFTreeCompare(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
{
IShellFolder *psfParent = (IShellFolder *)lParamSort;
HRESULT hres = psfParent->lpVtbl->CompareIDs(psfParent, 0, (LPITEMIDLIST)lParam1, (LPITEMIDLIST)lParam2);
Assert(SUCCEEDED(hres));
return (short)SCODE_CODE(GetScode(hres));
}
void _BFSFSort(PBFSF pbfsf, HTREEITEM hti, IShellFolder * psf)
{
TV_SORTCB sSortCB;
sSortCB.hParent = hti;
sSortCB.lpfnCompare = _BFSFTreeCompare;
psf->lpVtbl->AddRef(psf);
sSortCB.lParam = (LPARAM)psf;
TreeView_SortChildrenCB(pbfsf->hwndTree, &sSortCB, FALSE);
psf->lpVtbl->Release(psf);
}
BOOL _BFSFHandleItemExpanding(PBFSF pbfsf, LPNM_TREEVIEW pnmtv)
{
LPITEMIDLIST pidlToExpand;
LPITEMIDLIST pidl;
IShellFolder * psf;
IShellFolder * psfDesktop = Desktop_GetShellFolder(TRUE);
BYTE bType;
DWORD grfFlags;
BOOL fPrinterTest = FALSE;
int cAdded = 0;
TV_ITEM tvi;
IEnumIDList * penum; // Enumerator in use.
if (pnmtv->action != TVE_EXPAND)
return FALSE;
if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
return FALSE;
// set this bit now because we might be reentered via the wnet apis
tvi.mask = TVIF_STATE;
tvi.hItem = pnmtv->itemNew.hItem;
tvi.state = TVIS_EXPANDEDONCE;
tvi.stateMask = TVIS_EXPANDEDONCE;
TreeView_SetItem(pbfsf->hwndTree, &tvi);
if (pnmtv->itemNew.hItem == NULL)
{
pnmtv->itemNew.hItem = TreeView_GetSelection(pbfsf->hwndTree);
if (pnmtv->itemNew.hItem == NULL)
return FALSE;
}
pidlToExpand = _GetIDListFromTreeItem(pbfsf->hwndTree, pnmtv->itemNew.hItem);
if (pidlToExpand == NULL)
return FALSE;
// Now lets get the IShellFolder and iterator for this object
// special case to handle if the Pidl is the desktop
// This is rather gross, but the desktop appears to be simply a pidl
// of length 0 and ILIsEqual will not work...
if (pidlToExpand->mkid.cb == 0)
{
psf = psfDesktop;
psfDesktop->lpVtbl->AddRef(psf);
}
else
{
if (FAILED(psfDesktop->lpVtbl->BindToObject(psfDesktop,
pidlToExpand, NULL, &IID_IShellFolder, &psf)))
{
ILFree(pidlToExpand);
return FALSE; // Could not get IShellFolder.
}
}
// Need to do a couple of special cases here to allow us to
// browse for a network printer. In this case if we are at server
// level we then need to change what we search for non folders when
// we are the level of a server.
if (pbfsf->ulFlags & BIF_BROWSEFORPRINTER)
{
grfFlags = SHCONTF_FOLDERS | SHCONTF_NETPRINTERSRCH;
pidl = ILFindLastID(pidlToExpand);
bType = SIL_GetType(pidl);
fPrinterTest = ((bType & (SHID_NET|SHID_INGROUPMASK))==SHID_NET_SERVER);
if (fPrinterTest)
grfFlags |= SHCONTF_NONFOLDERS;
}
else
grfFlags = SHCONTF_FOLDERS;
if (pbfsf->fShowAllObjects)
grfFlags |= SHCONTF_INCLUDEHIDDEN;
if (FAILED(psf->lpVtbl->EnumObjects(psf, pbfsf->hwndDlg, grfFlags, &penum)))
{
psf->lpVtbl->Release(psf);
ILFree(pidlToExpand);
return FALSE;
}
// psf->lpVtbl->AddRef(psf);
while (pidl = _NextIDL(psf, penum))
{
int cChildren = I_CHILDRENCALLBACK; // Do call back for children
//
// We need to special case here in the netcase where we onlyu
// browse down to workgroups...
//
//
// Here is where I also need to special case to not go below
// workgroups when the appropriate option is set.
//
bType = SIL_GetType(pidl);
if ((pbfsf->ulFlags & BIF_DONTGOBELOWDOMAIN) && (bType & SHID_NET))
{
switch (bType & (SHID_NET | SHID_INGROUPMASK))
{
case SHID_NET_SERVER:
ILFree(pidl); // Dont want to add this one
continue; // Try the next one
case SHID_NET_DOMAIN:
cChildren = 0; // Force to not have children;
}
}
else if ((pbfsf->ulFlags & BIF_BROWSEFORCOMPUTER) && (bType & SHID_NET))
{
if ((bType & (SHID_NET | SHID_INGROUPMASK)) == SHID_NET_SERVER)
cChildren = 0; // Don't expand below it...
}
else if (fPrinterTest)
{
// Special case when we are only allowing printers.
// for now I will simply key on the fact that it is non-FS.
ULONG ulAttr = SFGAO_FILESYSTEM;
psf->lpVtbl->GetAttributesOf(psf, 1, &pidl, &ulAttr);
if ((ulAttr & SFGAO_FILESYSTEM)== 0)
{
cChildren = 0; // Force to not have children;
}
else
{
ILFree(pidl); // Dont want to add this one
continue; // Try the next one
}
}
_AddItemToTree(pbfsf->hwndTree, pnmtv->itemNew.hItem,
pidl, cChildren);
cAdded++;
}
// Now Cleanup after ourself
penum->lpVtbl->Release(penum);
_BFSFSort(pbfsf, pnmtv->itemNew.hItem, psf);
psf->lpVtbl->Release(psf);
ILFree(pidlToExpand);
// If we did not add anything we should update this item to let
// the user know something happened.
//
if (cAdded == 0)
{
TV_ITEM tvi;
tvi.mask = TVIF_CHILDREN | TVIF_HANDLE; // only change the number of children
tvi.hItem = pnmtv->itemNew.hItem;
tvi.cChildren = 0;
TreeView_SetItem(pbfsf->hwndTree, &tvi);
}
return TRUE;
}
void _BFSFHandleDeleteItem(PBFSF pbfsf, LPNM_TREEVIEW pnmtv)
{
// We need to free the IDLists that we allocated previously
if (pnmtv->itemOld.lParam != 0)
ILFree((LPITEMIDLIST)pnmtv->itemOld.lParam);
}
LPITEMIDLIST _BFSFUpdateISHCache(PBFSF pbfsf, HTREEITEM hti,
LPITEMIDLIST pidlItem)
{
HTREEITEM htiParent;
IShellFolder * psfDesktop = Desktop_GetShellFolder(TRUE);
if (pidlItem == NULL)
return(NULL);
// Need to handle the root case here!
htiParent = TreeView_GetParent(pbfsf->hwndTree, hti);
if ((htiParent != pbfsf->htiCurParent) || (pbfsf->psfParent == NULL))
{
LPITEMIDLIST pidl;
if (pbfsf->psfParent)
{
if (pbfsf->psfParent != psfDesktop)
pbfsf->psfParent->lpVtbl->Release(pbfsf->psfParent);
pbfsf->psfParent = NULL;
}
if (htiParent)
{
pidl = _GetIDListFromTreeItem(pbfsf->hwndTree, htiParent);
}
else
{
//
// If No Parent then the item here is one of our roots which
// should be fully qualified. So try to get the parent by
// decomposing the ID.
//
LPITEMIDLIST pidlT = (LPITEMIDLIST)ILFindLastID(pidlItem);
if (pidlT != pidlItem)
{
pidl = ILClone(pidlItem);
ILRemoveLastID(pidl);
pidlItem = pidlT;
}
else
pidl = NULL;
}
pbfsf->htiCurParent = htiParent;
// If still NULL then we use root of evil...
if (pidl == NULL || (pidl->mkid.cb == 0))
{
// Still one m
pbfsf->psfParent = psfDesktop;
if (pidl)
ILFree(pidl);
}
else
{
psfDesktop->lpVtbl->BindToObject(psfDesktop,
pidl, NULL, &IID_IShellFolder, &pbfsf->psfParent);
ILFree(pidl);
if (pbfsf->psfParent == NULL)
return NULL;
}
}
return(ILFindLastID(pidlItem));
}
void _BFSFGetDisplayInfo(PBFSF pbfsf, TV_DISPINFO *pnm)
{
TV_ITEM ti;
LPITEMIDLIST pidlItem = (LPITEMIDLIST)pnm->item.lParam;
if ((pnm->item.mask & (TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_TEXT | TVIF_CHILDREN)) == 0)
return; // nothing for us to do here.
pidlItem = _BFSFUpdateISHCache(pbfsf, pnm->item.hItem, pidlItem);
ti.mask = 0;
ti.hItem = (HTREEITEM)pnm->item.hItem;
// They are asking for IconIndex. See if we can find it now.
// Once found update their list, such that they wont call us back for
// it again.
if (pnm->item.mask & (TVIF_IMAGE | TVIF_SELECTEDIMAGE))
{
// We now need to map the item into the right image index.
ti.iImage = pnm->item.iImage = SHMapPIDLToSystemImageListIndex(
pbfsf->psfParent, pidlItem, &ti.iSelectedImage);
// we should save it back away to
pnm->item.iSelectedImage = ti.iSelectedImage;
ti.mask = TVIF_IMAGE | TVIF_SELECTEDIMAGE;
}
// Also see if this guy has any child folders
if (pnm->item.mask & TVIF_CHILDREN)
{
ULONG ulAttrs;
ulAttrs = SFGAO_HASSUBFOLDER;
pbfsf->psfParent->lpVtbl->GetAttributesOf(pbfsf->psfParent,
1, &pidlItem, &ulAttrs);
ti.cChildren = pnm->item.cChildren =
(ulAttrs & SFGAO_HASSUBFOLDER)? 1 : 0;
ti.mask |= TVIF_CHILDREN;
}
if (pnm->item.mask & TVIF_TEXT)
{
STRRET str;
pbfsf->psfParent->lpVtbl->GetDisplayNameOf(pbfsf->psfParent,
pidlItem, SHGDN_INFOLDER, &str);
StrRetToStrN(pnm->item.pszText, pnm->item.cchTextMax, &str, pidlItem);
ti.mask |= TVIF_TEXT;
ti.pszText = pnm->item.pszText;
}
// Update the item now
TreeView_SetItem(pbfsf->hwndTree, &ti);
}
void _BFSFHandleSelChanged(PBFSF pbfsf, LPNM_TREEVIEW pnmtv)
{
LPITEMIDLIST pidl;
ULONG ulAttrs = SFGAO_FILESYSTEM;
BYTE bType;
// We only need to do anything if we only want to return File system
// level objects.
if ((pbfsf->ulFlags & (BIF_RETURNONLYFSDIRS|BIF_RETURNFSANCESTORS|BIF_BROWSEFORPRINTER|BIF_BROWSEFORCOMPUTER)) == 0)
goto NotifySelChange;
// We need to get the attributes of this object...
pidl = _BFSFUpdateISHCache(pbfsf, pnmtv->itemNew.hItem,
(LPITEMIDLIST)pnmtv->itemNew.lParam);
if (pidl)
{
BOOL fEnable;
bType = SIL_GetType(pidl);
if ((pbfsf->ulFlags & (BIF_RETURNFSANCESTORS|BIF_RETURNONLYFSDIRS)) != 0)
{
int i;
// if this is the root pidl, then do a get attribs on 0
// so that we'll get the attributes on the root, rather than
// random returned values returned by FSFolder
if (ILIsEmpty(pidl)) {
i = 0;
} else
i = 1;
pbfsf->psfParent->lpVtbl->GetAttributesOf(pbfsf->psfParent,
i, &pidl, &ulAttrs);
fEnable = (((ulAttrs & SFGAO_FILESYSTEM) && (pbfsf->ulFlags & BIF_RETURNONLYFSDIRS)) ||
((ulAttrs & SFGAO_FILESYSANCESTOR) && (pbfsf->ulFlags & BIF_RETURNFSANCESTORS))) ||
((bType & (SHID_NET | SHID_INGROUPMASK)) == SHID_NET_SERVER);
}
else if ((pbfsf->ulFlags & BIF_BROWSEFORCOMPUTER) != 0)
fEnable = ((bType & (SHID_NET | SHID_INGROUPMASK)) == SHID_NET_SERVER);
else if ((pbfsf->ulFlags & BIF_BROWSEFORPRINTER) != 0)
{
// Printers are of type Share and usage Print...
fEnable = ((bType & (SHID_NET | SHID_INGROUPMASK)) == SHID_NET_SHARE);
}
EnableWindow(GetDlgItem(pbfsf->hwndDlg, IDOK),fEnable);
}
NotifySelChange:
if (pbfsf->lpfn) {
pidl = _GetIDListFromTreeItem(pbfsf->hwndTree, pnmtv->itemNew.hItem);
BFSFCallback(pbfsf, BFFM_SELCHANGED, (LPARAM)pidl);
ILFree(pidl);
}
}
BOOL BrowseSelectPidl(PBFSF pbfsf, LPCITEMIDLIST pidl)
{
HTREEITEM htiParent;
LPITEMIDLIST pidlTemp;
LPITEMIDLIST pidlNext = NULL;
LPITEMIDLIST pidlParent = NULL;
BOOL fRet = FALSE;
htiParent = TreeView_GetChild(pbfsf->hwndTree, NULL);
if (htiParent) {
// step through each item of the pidl
for (;;) {
TreeView_Expand(pbfsf->hwndTree, htiParent, TVE_EXPAND);
pidlParent = _GetIDListFromTreeItem(pbfsf->hwndTree, htiParent);
if (!pidlParent)
break;
pidlNext = ILClone(pidl);
if (!pidlNext)
break;
pidlTemp = ILFindChild(pidlParent, pidlNext);
if (!pidlTemp)
break;
if (ILIsEmpty(pidlTemp)) {
// found it!
//
TreeView_SelectItem(pbfsf->hwndTree, htiParent);
fRet = TRUE;
break;
} else {
// loop to find the next item
HTREEITEM htiChild;
pidlTemp = ILGetNext(pidlTemp);
if (!pidlTemp)
break;
else
pidlTemp->mkid.cb = 0;
htiChild = TreeView_GetChild(pbfsf->hwndTree, htiParent);
while (htiChild) {
BOOL fEqual;
pidlTemp = _GetIDListFromTreeItem(pbfsf->hwndTree, htiChild);
if (!pidlTemp) {
htiChild = NULL;
break;
}
fEqual = ILIsEqual(pidlTemp, pidlNext);
ILFree(pidlTemp);
if (fEqual) {
break;
} else {
htiChild = TreeView_GetNextSibling(pbfsf->hwndTree, htiChild);
}
}
if (!htiChild) {
// we didn't find the next one... bail
break;
} else {
// the found child becomes the next parent
htiParent = htiChild;
ILFree(pidlParent);
ILFree(pidlNext);
}
}
}
}
if (pidlParent) ILFree(pidlParent);
if (pidlNext) ILFree(pidlNext);
return fRet;
}
// _BFSFOnInitDlg - Process the init dialog
BOOL _BFSFOnInitDlg(HWND hwnd, HWND hwndFocus, LPARAM lParam)
{
HTREEITEM hti;
PBFSF pbfsf = (PBFSF)lParam;
HIMAGELIST himl;
LPSTR lpsz;
char szTitle[80]; // no title should be bigger than this!
HWND hwndTree;
lpsz = ResourceCStrToStr(HINST_THISDLL, pbfsf->lpszTitle);
SetDlgItemText(hwnd, IDD_BROWSETITLE, lpsz);
if (lpsz != pbfsf->lpszTitle)
{
LocalFree(lpsz);
lpsz = NULL;
}
SetWindowLong(hwnd, DWL_USER, (LONG)lParam);
pbfsf->hwndDlg = hwnd;
hwndTree = pbfsf->hwndTree = GetDlgItem(hwnd, IDD_FOLDERLIST);
if (hwndTree)
{
UINT swpFlags = SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER
| SWP_NOACTIVATE;
RECT rc;
POINT pt = {0,0};
if (!(pbfsf->ulFlags & BIF_STATUSTEXT)) {
HWND hwndStatus = GetDlgItem(hwnd, IDD_BROWSESTATUS);
// nuke the status window
ShowWindow(hwndStatus, SW_HIDE);
MapWindowPoints(hwndStatus, hwnd, &pt, 1);
GetClientRect(hwndTree, &rc);
MapWindowPoints(hwndTree, hwnd, (POINT*)&rc, 2);
rc.top = pt.y;
swpFlags = SWP_FRAMECHANGED | SWP_NOZORDER | SWP_NOACTIVATE;
}
Shell_GetImageLists(NULL, &himl);
TreeView_SetImageList(hwndTree, himl, TVSIL_NORMAL);
SetWindowLong(hwndTree, GWL_EXSTYLE,
GetWindowLong(hwndTree, GWL_EXSTYLE) | WS_EX_CLIENTEDGE);
// Now try to get this window to know to recalc
SetWindowPos(hwndTree, NULL, rc.left, rc.top,
rc.right - rc.left, rc.bottom - rc.top, swpFlags);
}
// If they passed in a root, add it, else add the contents of the
// Root of evil... to the list as ROOT objects.
if (pbfsf->pidlRoot)
{
LPITEMIDLIST pidl;
if (!HIWORD(pbfsf->pidlRoot)) {
pidl = SHCloneSpecialIDList(NULL, (UINT)pbfsf->pidlRoot, TRUE);
} else {
pidl = ILClone(pbfsf->pidlRoot);
}
// Now lets insert the Root object
hti = _AddItemToTree(hwndTree, TVI_ROOT, pidl, 1);
// Still need to expand below this point. to the starting location
// That was passed in. But for now expand the first level.
TreeView_Expand(hwndTree, hti, TVE_EXPAND);
}
else
{
LPCITEMIDLIST pidlDrives = GetSpecialFolderIDList(NULL, CSIDL_DRIVES, FALSE);
LPITEMIDLIST pidlDesktop = SHCloneSpecialIDList(NULL, CSIDL_DESKTOP, FALSE);
HTREEITEM htiRoot = _AddItemToTree(hwndTree, TVI_ROOT, pidlDesktop, 1);
// Expand the first level under the desktop
TreeView_Expand(hwndTree, htiRoot, TVE_EXPAND);
// Lets Preexpand the Drives portion....
hti = TreeView_GetChild(hwndTree, htiRoot);
while (hti)
{
LPITEMIDLIST pidl = _GetIDListFromTreeItem(hwndTree, hti);
if (ILIsEqual(pidl, pidlDrives))
{
TreeView_Expand(hwndTree, hti, TVE_EXPAND);
TreeView_SelectItem(hwndTree, hti);
ILFree(pidl);
break;
}
ILFree(pidl);
hti = TreeView_GetNextSibling(hwndTree, hti);
}
}
// go to our internal selection changed code to do any window enabling needed
{
NM_TREEVIEW nmtv;
hti = TreeView_GetSelection(hwndTree);
if (hti) {
TV_ITEM ti;
ti.mask = TVIF_PARAM;
ti.hItem = hti;
TreeView_GetItem(hwndTree, &ti);
nmtv.itemNew.hItem = hti;
nmtv.itemNew.lParam = ti.lParam;
_BFSFHandleSelChanged(pbfsf, &nmtv);
}
}
if ((pbfsf->ulFlags & BIF_BROWSEFORCOMPUTER) != 0)
{
LoadString(HINST_THISDLL, IDS_FINDSEARCH_COMPUTER, szTitle, sizeof(szTitle));
SetWindowText(hwnd, szTitle);
}
else if ((pbfsf->ulFlags & BIF_BROWSEFORPRINTER) != 0)
{
LoadString(HINST_THISDLL, IDS_FINDSEARCH_PRINTER, szTitle, sizeof(szTitle));
SetWindowText(hwnd, szTitle);
}
BFSFCallback(pbfsf, BFFM_INITIALIZED, 0);
return TRUE;
}
void _BFSFSetStatusText(PBFSF pbfsf, LPCSTR lpszText)
{
char szText[100];
if (!HIWORD(lpszText)) {
LoadString(HINST_THISDLL, LOWORD(lpszText), szText, sizeof(szText));
lpszText = szText;
}
SetDlgItemText(pbfsf->hwndDlg, IDD_BROWSESTATUS, lpszText);
}
// _BFSFOnCommand - Process the WM_COMMAND message
void _BFSFOnCommand(PBFSF pbfsf, int id, HWND hwndCtl, UINT codeNotify)
{
HTREEITEM hti;
switch (id)
{
case IDOK:
// We can now update the structure with the idlist of the item selected
hti = TreeView_GetSelection(pbfsf->hwndTree);
pbfsf->pidlCurrent = _GetIDListFromTreeItem(pbfsf->hwndTree,
hti);
if (pbfsf->pszDisplayName || pbfsf->piImage)
{
TV_ITEM tvi;
tvi.mask = (pbfsf->pszDisplayName)? (TVIF_TEXT | TVIF_IMAGE) :
TVIF_IMAGE;
tvi.hItem = hti;
tvi.pszText = pbfsf->pszDisplayName;
tvi.cchTextMax = MAX_PATH;
TreeView_GetItem(pbfsf->hwndTree, &tvi);
if (pbfsf->piImage)
*pbfsf->piImage = tvi.iImage;
}
EndDialog(pbfsf->hwndDlg, 1); // To return TRUE.
break;
case IDCANCEL:
EndDialog(pbfsf->hwndDlg, 0); // to return FALSE from this.
break;
}
}
// _BSFSDlgProc - The dialog procedure for processing the browse
// for starting folder dialog.
#pragma data_seg(".text", "CODE")
const static DWORD aBrowseHelpIDs[] = { // Context Help IDs
IDD_BROWSETITLE, NO_HELP,
IDD_BROWSESTATUS, NO_HELP,
IDD_FOLDERLIST, IDH_BROWSELIST,
0, 0
};
#pragma data_seg()
BOOL CALLBACK _BFSFDlgProc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
PBFSF pbfsf = (PBFSF)GetWindowLong(hwndDlg, DWL_USER);
switch (msg) {
HANDLE_MSG(pbfsf, WM_COMMAND, _BFSFOnCommand);
HANDLE_MSG(hwndDlg, WM_INITDIALOG, _BFSFOnInitDlg);
case WM_DESTROY:
if (pbfsf->psfParent && (pbfsf->psfParent != Desktop_GetShellFolder(TRUE)))
{
pbfsf->psfParent->lpVtbl->Release(pbfsf->psfParent);
pbfsf->psfParent = NULL;
}
break;
case BFFM_SETSTATUSTEXT:
_BFSFSetStatusText(pbfsf, (LPCSTR)lParam);
break;
case BFFM_SETSELECTION:
{
BOOL fRet;
// wParam TRUE means path, not pidl
if (wParam) {
lParam = (LPARAM)SHSimpleIDListFromPath((LPSTR)lParam);
if (!lParam)
return FALSE;
}
fRet = BrowseSelectPidl(pbfsf, (LPITEMIDLIST)lParam);
if (wParam)
ILFree((LPITEMIDLIST)lParam);
return fRet;
}
case BFFM_ENABLEOK:
EnableWindow(GetDlgItem(hwndDlg, IDOK), lParam);
break;
case WM_NOTIFY:
switch (((NMHDR *)lParam)->code)
{
case TVN_GETDISPINFO:
_BFSFGetDisplayInfo(pbfsf, (TV_DISPINFO *)lParam);
break;
case TVN_ITEMEXPANDING:
SetCursor(LoadCursor(NULL, IDC_WAIT));
_BFSFHandleItemExpanding(pbfsf, (LPNM_TREEVIEW)lParam);
break;
case TVN_ITEMEXPANDED:
SetCursor(LoadCursor(NULL, IDC_ARROW));
break;
case TVN_DELETEITEM:
_BFSFHandleDeleteItem(pbfsf, (LPNM_TREEVIEW)lParam);
break;
case TVN_SELCHANGED:
_BFSFHandleSelChanged(pbfsf, (LPNM_TREEVIEW)lParam);
break;
}
break;
case WM_HELP:
WinHelp((HWND)((LPHELPINFO) lParam)->hItemHandle, NULL,
HELP_WM_HELP, (DWORD)(LPSTR) aBrowseHelpIDs);
break;
case WM_CONTEXTMENU:
WinHelp((HWND) wParam, NULL, HELP_CONTEXTMENU,
(DWORD)(LPVOID) aBrowseHelpIDs);
break;
default:
return FALSE;
}
return TRUE;
}
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