Remove unnecessary WNDPROC casts.
[wine/multimedia.git] / dlls / shell32 / brsfolder.c
blobbd8758469dd6997fa30e2c43efc057c5116018ae
1 /*
2 * Copyright 1999 Juergen Schmied
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * FIXME:
19 * - many memory leaks
20 * - many flags unimplemented
23 #include <stdlib.h>
24 #include <string.h>
26 #define COBJMACROS
27 #define NONAMELESSUNION
28 #define NONAMELESSSTRUCT
30 #include "wine/debug.h"
31 #include "undocshell.h"
32 #include "shlguid.h"
33 #include "pidl.h"
34 #include "shell32_main.h"
35 #include "shellapi.h"
36 #include "shresdef.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(shell);
40 static HWND hwndTreeView;
41 static LPBROWSEINFOW lpBrowseInfo;
42 static LPITEMIDLIST pidlRet;
44 static void FillTreeView(LPSHELLFOLDER lpsf, LPITEMIDLIST lpifq, HTREEITEM hParent, IEnumIDList* lpe);
45 static HTREEITEM InsertTreeViewItem(IShellFolder * lpsf, LPCITEMIDLIST pidl, LPCITEMIDLIST pidlParent, IEnumIDList* pEnumIL, HTREEITEM hParent);
47 #define SUPPORTEDFLAGS (BIF_STATUSTEXT | \
48 BIF_BROWSEFORCOMPUTER | \
49 BIF_RETURNFSANCESTORS | \
50 BIF_RETURNONLYFSDIRS | \
51 BIF_BROWSEINCLUDEFILES)
53 static inline DWORD BrowseFlagsToSHCONTF(UINT ulFlags)
55 return SHCONTF_FOLDERS | (ulFlags & BIF_BROWSEINCLUDEFILES ? SHCONTF_NONFOLDERS : 0);
58 static void InitializeTreeView(HWND hwndParent, LPCITEMIDLIST root)
60 HIMAGELIST hImageList;
61 IShellFolder * lpsf;
62 HRESULT hr;
63 IEnumIDList * pEnumIL = NULL;
64 LPITEMIDLIST parentofroot;
65 parentofroot = ILClone(root);
66 ILRemoveLastID(parentofroot);
68 hwndTreeView = GetDlgItem (hwndParent, IDD_TREEVIEW);
69 Shell_GetImageList(NULL, &hImageList);
71 TRACE("dlg=%p tree=%p\n", hwndParent, hwndTreeView );
73 if (hImageList && hwndTreeView)
74 TreeView_SetImageList(hwndTreeView, hImageList, 0);
76 if (_ILIsDesktop (root)) {
77 hr = SHGetDesktopFolder(&lpsf);
78 } else {
79 IShellFolder * lpsfdesktop;
81 hr = SHGetDesktopFolder(&lpsfdesktop);
82 if (SUCCEEDED(hr)) {
83 hr = IShellFolder_BindToObject(lpsfdesktop, parentofroot, 0,(REFIID)&IID_IShellFolder,(LPVOID *)&lpsf);
84 IShellFolder_Release(lpsfdesktop);
87 if (SUCCEEDED(hr))
89 IShellFolder * pSFRoot;
90 if (_ILIsPidlSimple(root))
92 pSFRoot = lpsf;
93 IShellFolder_AddRef(pSFRoot);
95 else
96 hr = IShellFolder_BindToObject(lpsf,ILFindLastID(root),0,&IID_IShellFolder,(LPVOID *)&pSFRoot);
97 if (SUCCEEDED(hr))
99 hr = IShellFolder_EnumObjects(
100 pSFRoot,
101 hwndParent,
102 BrowseFlagsToSHCONTF(lpBrowseInfo->ulFlags),
103 &pEnumIL);
104 IShellFolder_Release(pSFRoot);
108 if (SUCCEEDED(hr) && hwndTreeView)
110 TreeView_DeleteAllItems(hwndTreeView);
111 TreeView_Expand(hwndTreeView,
112 InsertTreeViewItem(lpsf, _ILIsPidlSimple(root) ? root : ILFindLastID(root), parentofroot, pEnumIL, TVI_ROOT),
113 TVE_EXPAND);
116 if (SUCCEEDED(hr))
117 IShellFolder_Release(lpsf);
119 TRACE("done\n");
122 static int GetIcon(LPITEMIDLIST lpi, UINT uFlags)
124 SHFILEINFOW sfi;
125 SHGetFileInfoW((LPCWSTR)lpi, 0 ,&sfi, sizeof(SHFILEINFOW), uFlags);
126 return sfi.iIcon;
129 static void GetNormalAndSelectedIcons(LPITEMIDLIST lpifq, LPTVITEMW lpTV_ITEM)
131 LPITEMIDLIST pidlDesktop = NULL;
133 TRACE("%p %p\n",lpifq, lpTV_ITEM);
135 if (!lpifq)
137 pidlDesktop = _ILCreateDesktop();
138 lpifq = pidlDesktop;
141 lpTV_ITEM->iImage = GetIcon(lpifq, SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON);
142 lpTV_ITEM->iSelectedImage = GetIcon(lpifq, SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_OPENICON);
144 if (pidlDesktop)
145 ILFree(pidlDesktop);
147 return;
150 typedef struct tagID
152 LPSHELLFOLDER lpsfParent;
153 LPITEMIDLIST lpi;
154 LPITEMIDLIST lpifq;
155 IEnumIDList* pEnumIL;
156 } TV_ITEMDATA, *LPTV_ITEMDATA;
158 static BOOL GetName(LPSHELLFOLDER lpsf, LPCITEMIDLIST lpi, DWORD dwFlags, LPWSTR lpFriendlyName)
160 BOOL bSuccess=TRUE;
161 STRRET str;
163 TRACE("%p %p %lx %p\n", lpsf, lpi, dwFlags, lpFriendlyName);
164 if (SUCCEEDED(IShellFolder_GetDisplayNameOf(lpsf, lpi, dwFlags, &str)))
166 if (FAILED(StrRetToStrNW(lpFriendlyName, MAX_PATH, &str, lpi)))
168 bSuccess = FALSE;
171 else
172 bSuccess = FALSE;
174 TRACE("-- %s\n", debugstr_w(lpFriendlyName));
175 return bSuccess;
178 static HTREEITEM InsertTreeViewItem(IShellFolder * lpsf, LPCITEMIDLIST pidl, LPCITEMIDLIST pidlParent, IEnumIDList* pEnumIL, HTREEITEM hParent)
180 TVITEMW tvi;
181 TVINSERTSTRUCTW tvins;
182 WCHAR szBuff[MAX_PATH];
183 LPTV_ITEMDATA lptvid=0;
185 tvi.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM;
187 tvi.cChildren= pEnumIL ? 1 : 0;
188 tvi.mask |= TVIF_CHILDREN;
190 if (!(lptvid = (LPTV_ITEMDATA)SHAlloc(sizeof(TV_ITEMDATA))))
191 return NULL;
193 if (!GetName(lpsf, pidl, SHGDN_NORMAL, szBuff))
194 return NULL;
196 tvi.pszText = szBuff;
197 tvi.cchTextMax = MAX_PATH;
198 tvi.lParam = (LPARAM)lptvid;
200 IShellFolder_AddRef(lpsf);
201 lptvid->lpsfParent = lpsf;
202 lptvid->lpi = ILClone(pidl);
203 lptvid->lpifq = pidlParent ? ILCombine(pidlParent, pidl) : ILClone(pidl);
204 lptvid->pEnumIL = pEnumIL;
205 GetNormalAndSelectedIcons(lptvid->lpifq, &tvi);
207 tvins.u.item = tvi;
208 tvins.hInsertAfter = NULL;
209 tvins.hParent = hParent;
211 return (HTREEITEM)TreeView_InsertItemW(hwndTreeView, &tvins);
214 static void FillTreeView(IShellFolder * lpsf, LPITEMIDLIST pidl, HTREEITEM hParent, IEnumIDList* lpe)
216 HTREEITEM hPrev = 0;
217 LPITEMIDLIST pidlTemp = 0;
218 ULONG ulFetched;
219 HRESULT hr;
220 HWND hwnd=GetParent(hwndTreeView);
222 TRACE("%p %p %x\n",lpsf, pidl, (INT)hParent);
223 SetCapture(GetParent(hwndTreeView));
224 SetCursor(LoadCursorA(0, (LPSTR)IDC_WAIT));
226 while (NOERROR == IEnumIDList_Next(lpe,1,&pidlTemp,&ulFetched))
228 ULONG ulAttrs = SFGAO_HASSUBFOLDER | SFGAO_FOLDER;
229 IEnumIDList* pEnumIL = NULL;
230 IShellFolder* pSFChild = NULL;
231 IShellFolder_GetAttributesOf(lpsf, 1, (LPCITEMIDLIST*)&pidlTemp, &ulAttrs);
232 if (ulAttrs & SFGAO_FOLDER)
234 hr = IShellFolder_BindToObject(lpsf,pidlTemp,NULL,&IID_IShellFolder,(LPVOID*)&pSFChild);
235 if (SUCCEEDED(hr))
237 hr = IShellFolder_EnumObjects(pSFChild, hwnd, BrowseFlagsToSHCONTF(lpBrowseInfo->ulFlags), &pEnumIL);
238 if (SUCCEEDED(hr))
240 if ((IEnumIDList_Skip(pEnumIL, 1) != S_OK) || FAILED(IEnumIDList_Reset(pEnumIL)))
242 IEnumIDList_Release(pEnumIL);
243 pEnumIL = NULL;
246 IShellFolder_Release(pSFChild);
250 if (!(hPrev = InsertTreeViewItem(lpsf, pidlTemp, pidl, pEnumIL, hParent)))
251 goto Done;
252 SHFree(pidlTemp); /* Finally, free the pidl that the shell gave us... */
253 pidlTemp=NULL;
256 Done:
257 ReleaseCapture();
258 SetCursor(LoadCursorW(0, (LPWSTR)IDC_ARROW));
260 if (pidlTemp)
261 SHFree(pidlTemp);
264 static inline BOOL PIDLIsType(LPCITEMIDLIST pidl, PIDLTYPE type)
266 LPPIDLDATA data = _ILGetDataPointer(pidl);
267 if (!data)
268 return FALSE;
269 return (data->type == type);
272 static void BrsFolder_CheckValidSelection(HWND hWndTree, LPTV_ITEMDATA lptvid)
274 LPCITEMIDLIST pidl = lptvid->lpi;
275 BOOL bEnabled = TRUE;
276 DWORD dwAttributes;
277 if ((lpBrowseInfo->ulFlags & BIF_BROWSEFORCOMPUTER) &&
278 !PIDLIsType(pidl, PT_COMP))
279 bEnabled = FALSE;
280 if (lpBrowseInfo->ulFlags & BIF_RETURNFSANCESTORS)
282 dwAttributes = SFGAO_FILESYSANCESTOR | SFGAO_FILESYSTEM;
283 if (FAILED(IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1, (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes)) ||
284 !dwAttributes)
285 bEnabled = FALSE;
287 if (lpBrowseInfo->ulFlags & BIF_RETURNONLYFSDIRS)
289 dwAttributes = SFGAO_FOLDER | SFGAO_FILESYSTEM;
290 if (FAILED(IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1, (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes)) ||
291 (dwAttributes != (SFGAO_FOLDER | SFGAO_FILESYSTEM)))
292 bEnabled = FALSE;
294 SendMessageW(hWndTree, BFFM_ENABLEOK, 0, (LPARAM)bEnabled);
297 static LRESULT MsgNotify(HWND hWnd, UINT CtlID, LPNMHDR lpnmh)
299 NMTREEVIEWW *pnmtv = (NMTREEVIEWW *)lpnmh;
300 LPTV_ITEMDATA lptvid; /* Long pointer to TreeView item data */
301 IShellFolder * lpsf2=0;
304 TRACE("%p %x %p msg=%x\n", hWnd, CtlID, lpnmh, pnmtv->hdr.code);
306 switch (pnmtv->hdr.idFrom)
307 { case IDD_TREEVIEW:
308 switch (pnmtv->hdr.code)
310 case TVN_DELETEITEMA:
311 case TVN_DELETEITEMW:
312 TRACE("TVN_DELETEITEMA/W\n");
313 lptvid=(LPTV_ITEMDATA)pnmtv->itemOld.lParam;
314 IShellFolder_Release(lptvid->lpsfParent);
315 if (lptvid->pEnumIL)
316 IEnumIDList_Release(lptvid->pEnumIL);
317 SHFree(lptvid->lpi);
318 SHFree(lptvid->lpifq);
319 SHFree(lptvid);
320 break;
322 case TVN_ITEMEXPANDINGA:
323 case TVN_ITEMEXPANDINGW:
325 TRACE("TVN_ITEMEXPANDINGA/W\n");
326 if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
327 break;
329 lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
330 if (SUCCEEDED(IShellFolder_BindToObject(lptvid->lpsfParent, lptvid->lpi,0,(REFIID)&IID_IShellFolder,(LPVOID *)&lpsf2)))
331 { FillTreeView( lpsf2, lptvid->lpifq, pnmtv->itemNew.hItem, lptvid->pEnumIL);
333 TreeView_SortChildren(hwndTreeView, pnmtv->itemNew.hItem, FALSE);
335 break;
336 case TVN_SELCHANGEDA:
337 case TVN_SELCHANGEDW:
338 lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
339 pidlRet = lptvid->lpifq;
340 if (lpBrowseInfo->lpfn)
341 (lpBrowseInfo->lpfn)(hWnd, BFFM_SELCHANGED, (LPARAM)pidlRet, lpBrowseInfo->lParam);
342 BrsFolder_CheckValidSelection(hWnd, lptvid);
343 break;
345 default:
346 WARN("unhandled (%d)\n", pnmtv->hdr.code);
347 break;
349 break;
351 default:
352 break;
355 return 0;
359 /*************************************************************************
360 * BrsFolderDlgProc32 (not an exported API function)
362 static INT_PTR CALLBACK BrsFolderDlgProc(HWND hWnd, UINT msg, WPARAM wParam,
363 LPARAM lParam )
365 TRACE("hwnd=%p msg=%04x 0x%08x 0x%08lx\n", hWnd, msg, wParam, lParam );
367 switch(msg)
368 { case WM_INITDIALOG:
369 pidlRet = NULL;
370 lpBrowseInfo = (LPBROWSEINFOW) lParam;
371 if (lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS)
372 FIXME("flags %x not implemented\n", lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS);
373 if (lpBrowseInfo->lpszTitle) {
374 SetWindowTextW(GetDlgItem(hWnd, IDD_TITLE), lpBrowseInfo->lpszTitle);
375 } else {
376 ShowWindow(GetDlgItem(hWnd, IDD_TITLE), SW_HIDE);
378 if (!(lpBrowseInfo->ulFlags & BIF_STATUSTEXT))
379 ShowWindow(GetDlgItem(hWnd, IDD_STATUS), SW_HIDE);
381 InitializeTreeView(hWnd, lpBrowseInfo->pidlRoot);
383 if (lpBrowseInfo->lpfn)
384 (lpBrowseInfo->lpfn)(hWnd, BFFM_INITIALIZED, 0, lpBrowseInfo->lParam);
386 return TRUE;
388 case WM_NOTIFY:
389 MsgNotify( hWnd, (UINT)wParam, (LPNMHDR)lParam);
390 break;
392 case WM_COMMAND:
393 switch (wParam)
394 { case IDOK:
395 pdump ( pidlRet );
396 if (lpBrowseInfo->pszDisplayName)
397 SHGetPathFromIDListW(pidlRet, lpBrowseInfo->pszDisplayName);
398 EndDialog(hWnd, (DWORD) ILClone(pidlRet));
399 return TRUE;
401 case IDCANCEL:
402 EndDialog(hWnd, 0);
403 return TRUE;
405 break;
406 case BFFM_SETSTATUSTEXTA:
407 TRACE("Set status %s\n", debugstr_a((LPSTR)lParam));
408 SetWindowTextA(GetDlgItem(hWnd, IDD_STATUS), (LPSTR)lParam);
409 break;
410 case BFFM_SETSTATUSTEXTW:
411 TRACE("Set status %s\n", debugstr_w((LPWSTR)lParam));
412 SetWindowTextW(GetDlgItem(hWnd, IDD_STATUS), (LPWSTR)lParam);
413 break;
414 case BFFM_ENABLEOK:
415 TRACE("Enable %ld\n", lParam);
416 EnableWindow(GetDlgItem(hWnd, 1), (lParam)?TRUE:FALSE);
417 break;
418 case BFFM_SETOKTEXT: /* unicode only */
419 TRACE("Set OK text %s\n", debugstr_w((LPWSTR)wParam));
420 SetWindowTextW(GetDlgItem(hWnd, 1), (LPWSTR)wParam);
421 break;
422 case BFFM_SETSELECTIONA:
423 if (wParam)
424 FIXME("Set selection %s\n", debugstr_a((LPSTR)lParam));
425 else
426 FIXME("Set selection %p\n", (void*)lParam);
427 break;
428 case BFFM_SETSELECTIONW:
429 if (wParam)
430 FIXME("Set selection %s\n", debugstr_w((LPWSTR)lParam));
431 else
432 FIXME("Set selection %p\n", (void*)lParam);
433 break;
434 case BFFM_SETEXPANDED: /* unicode only */
435 if (wParam)
436 FIXME("Set expanded %s\n", debugstr_w((LPWSTR)lParam));
437 else
438 FIXME("Set expanded %p\n", (void*)lParam);
439 break;
441 return FALSE;
444 static const WCHAR swBrowseTempName[] = {'S','H','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};
446 /*************************************************************************
447 * SHBrowseForFolderA [SHELL32.@]
448 * SHBrowseForFolder [SHELL32.@]
450 LPITEMIDLIST WINAPI SHBrowseForFolderA (LPBROWSEINFOA lpbi)
452 BROWSEINFOW bi;
453 LPITEMIDLIST lpid;
454 INT len;
456 TRACE("(%p{lpszTitle=%s,owner=%p})\n", lpbi,
457 lpbi ? debugstr_a(lpbi->lpszTitle) : NULL, lpbi ? lpbi->hwndOwner : NULL);
459 if (!lpbi)
460 return NULL;
462 bi.hwndOwner = lpbi->hwndOwner;
463 bi.pidlRoot = lpbi->pidlRoot;
464 if (lpbi->pszDisplayName)
466 /*lpbi->pszDisplayName is assumed to be MAX_PATH (MSDN) */
467 bi.pszDisplayName = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
468 MultiByteToWideChar(CP_ACP, 0, lpbi->pszDisplayName, -1, bi.pszDisplayName, MAX_PATH);
470 else
471 bi.pszDisplayName = NULL;
473 if (lpbi->lpszTitle)
475 len = MultiByteToWideChar(CP_ACP, 0, lpbi->lpszTitle, -1, NULL, 0);
476 bi.lpszTitle = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
477 MultiByteToWideChar(CP_ACP, 0, lpbi->lpszTitle, -1, (LPWSTR)bi.lpszTitle, len);
479 else
480 bi.lpszTitle = NULL;
482 bi.ulFlags = lpbi->ulFlags;
483 bi.lpfn = lpbi->lpfn;
484 bi.lParam = lpbi->lParam;
485 bi.iImage = lpbi->iImage;
486 lpid = (LPITEMIDLIST) DialogBoxParamW(shell32_hInstance,
487 swBrowseTempName, lpbi->hwndOwner,
488 BrsFolderDlgProc, (INT)&bi);
489 if (bi.pszDisplayName)
491 WideCharToMultiByte(CP_ACP, 0, bi.pszDisplayName, -1, lpbi->pszDisplayName, MAX_PATH, 0, NULL);
492 HeapFree(GetProcessHeap(), 0, bi.pszDisplayName);
494 if (bi.lpszTitle)
496 HeapFree(GetProcessHeap(), 0, (LPVOID)bi.lpszTitle);
498 lpbi->iImage = bi.iImage;
499 return lpid;
503 /*************************************************************************
504 * SHBrowseForFolderW [SHELL32.@]
506 LPITEMIDLIST WINAPI SHBrowseForFolderW (LPBROWSEINFOW lpbi)
508 TRACE("((%p->{lpszTitle=%s,owner=%p})\n", lpbi,
509 lpbi ? debugstr_w(lpbi->lpszTitle) : NULL, lpbi ? lpbi->hwndOwner : 0);
511 if (!lpbi)
512 return NULL;
514 return (LPITEMIDLIST) DialogBoxParamW(shell32_hInstance,
515 swBrowseTempName, lpbi->hwndOwner,
516 BrsFolderDlgProc, (INT)lpbi);