- Cleaned up the implementation of shell folders and put them into
[wine] / dlls / shell32 / brsfolder.c
1 /*
2  * Copyright 1999 Juergen Schmied
3  *
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.
8  *
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.
13  *
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
17  *
18  * FIXME:
19  *  - view with root unequal desktop
20  *  - many memory leaks
21  *  - show only filesystem objects
22  */
23
24 #include <stdlib.h>
25 #include <string.h>
26
27 #include "wine/debug.h"
28 #include "undocshell.h"
29 #include "shlguid.h"
30 #include "pidl.h"
31 #include "shell32_main.h"
32 #include "shellapi.h"
33 #include "shresdef.h"
34
35 WINE_DEFAULT_DEBUG_CHANNEL(shell);
36
37 static HWND             hwndTreeView;
38 static LPBROWSEINFOA    lpBrowseInfo;
39 static LPITEMIDLIST     pidlRet;
40
41 static void FillTreeView(LPSHELLFOLDER lpsf, LPITEMIDLIST  lpifq, HTREEITEM hParent);
42
43 static void InitializeTreeView(HWND hwndParent, LPCITEMIDLIST root)
44 {
45         HIMAGELIST      hImageList;
46         IShellFolder *  lpsf;
47         HRESULT hr;
48
49         hwndTreeView = GetDlgItem (hwndParent, IDD_TREEVIEW);
50         Shell_GetImageList(NULL, &hImageList);
51
52         TRACE("dlg=%x tree=%x\n", hwndParent, hwndTreeView );
53
54         if (hImageList && hwndTreeView)
55         { TreeView_SetImageList(hwndTreeView, hImageList, 0);
56         }
57
58         /* so far, this method doesn't work (still missing the upper level), keep the old way */
59 #if 0
60         if (_ILIsDesktop (root)) {
61            hr = SHGetDesktopFolder(&lpsf);
62         } else {
63            IShellFolder *       lpsfdesktop;
64
65            hr = SHGetDesktopFolder(&lpsfdesktop);
66            if (SUCCEEDED(hr)) {
67               hr = IShellFolder_BindToObject(lpsfdesktop, root, 0,(REFIID)&IID_IShellFolder,(LPVOID *)&lpsf);
68               IShellFolder_Release(lpsfdesktop);
69            }
70         }
71 #else
72         hr = SHGetDesktopFolder(&lpsf);
73 #endif
74
75         if (SUCCEEDED(hr) && hwndTreeView)
76         { TreeView_DeleteAllItems(hwndTreeView);
77           FillTreeView(lpsf, NULL, TVI_ROOT);
78         }
79
80         if (SUCCEEDED(hr))
81         { IShellFolder_Release(lpsf);
82         }
83         TRACE("done\n");
84 }
85
86 static int GetIcon(LPITEMIDLIST lpi, UINT uFlags)
87 {       SHFILEINFOA    sfi;
88         SHGetFileInfoA((LPCSTR)lpi,0,&sfi, sizeof(SHFILEINFOA), uFlags);
89         return sfi.iIcon;
90 }
91
92 static void GetNormalAndSelectedIcons(LPITEMIDLIST lpifq,LPTVITEMA lpTV_ITEM)
93 {       TRACE("%p %p\n",lpifq, lpTV_ITEM);
94
95         lpTV_ITEM->iImage = GetIcon(lpifq, SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON);
96         lpTV_ITEM->iSelectedImage = GetIcon(lpifq, SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_OPENICON);
97
98         return;
99 }
100
101 typedef struct tagID
102 {
103    LPSHELLFOLDER lpsfParent;
104    LPITEMIDLIST  lpi;
105    LPITEMIDLIST  lpifq;
106 } TV_ITEMDATA, *LPTV_ITEMDATA;
107
108 static BOOL GetName(LPSHELLFOLDER lpsf, LPITEMIDLIST lpi, DWORD dwFlags, LPSTR lpFriendlyName)
109 {
110         BOOL   bSuccess=TRUE;
111         STRRET str;
112
113         TRACE("%p %p %lx %p\n", lpsf, lpi, dwFlags, lpFriendlyName);
114         if (SUCCEEDED(IShellFolder_GetDisplayNameOf(lpsf, lpi, dwFlags, &str)))
115         {
116           if(FAILED(StrRetToStrNA (lpFriendlyName, MAX_PATH, &str, lpi)))
117           {
118               bSuccess = FALSE;
119           }
120         }
121         else
122           bSuccess = FALSE;
123
124         TRACE("-- %s\n",lpFriendlyName);
125         return bSuccess;
126 }
127
128 static void FillTreeView(IShellFolder * lpsf, LPITEMIDLIST  pidl, HTREEITEM hParent)
129 {
130         TVITEMA         tvi;
131         TVINSERTSTRUCTA tvins;
132         HTREEITEM       hPrev = 0;
133         LPENUMIDLIST    lpe=0;
134         LPITEMIDLIST    pidlTemp=0;
135         LPTV_ITEMDATA   lptvid=0;
136         ULONG           ulFetched;
137         HRESULT         hr;
138         char            szBuff[256];
139         HWND            hwnd=GetParent(hwndTreeView);
140
141         TRACE("%p %p %x\n",lpsf, pidl, (INT)hParent);
142         SetCapture(GetParent(hwndTreeView));
143         SetCursor(LoadCursorA(0, IDC_WAITA));
144
145         hr=IShellFolder_EnumObjects(lpsf,hwnd, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS,&lpe);
146
147         if (SUCCEEDED(hr))
148         { while (NOERROR == IEnumIDList_Next(lpe,1,&pidlTemp,&ulFetched))
149           { ULONG ulAttrs = SFGAO_HASSUBFOLDER | SFGAO_FOLDER;
150             IShellFolder_GetAttributesOf(lpsf, 1, &pidlTemp, &ulAttrs);
151             if (ulAttrs & (SFGAO_HASSUBFOLDER | SFGAO_FOLDER))
152             { if (ulAttrs & SFGAO_FOLDER)
153               { tvi.mask  = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM;
154
155                 if (ulAttrs & SFGAO_HASSUBFOLDER)
156                 {  tvi.cChildren=1;
157                    tvi.mask |= TVIF_CHILDREN;
158                 }
159
160                 if (!( lptvid = (LPTV_ITEMDATA)SHAlloc(sizeof(TV_ITEMDATA))))
161                     goto Done;
162
163                 if (!GetName(lpsf, pidlTemp, SHGDN_NORMAL, szBuff))
164                     goto Done;
165
166                 tvi.pszText    = szBuff;
167                 tvi.cchTextMax = MAX_PATH;
168                 tvi.lParam = (LPARAM)lptvid;
169
170                 IShellFolder_AddRef(lpsf);
171                 lptvid->lpsfParent = lpsf;
172                 lptvid->lpi     = ILClone(pidlTemp);
173                 lptvid->lpifq   = ILCombine(pidl, pidlTemp);
174                 GetNormalAndSelectedIcons(lptvid->lpifq, &tvi);
175
176                 tvins.DUMMYUNIONNAME.item         = tvi;
177                 tvins.hInsertAfter = hPrev;
178                 tvins.hParent      = hParent;
179
180                 hPrev = (HTREEITEM)TreeView_InsertItemA (hwndTreeView, &tvins);
181
182               }
183             }
184             SHFree(pidlTemp);  /* Finally, free the pidl that the shell gave us... */
185             pidlTemp=0;
186           }
187         }
188
189 Done:
190         ReleaseCapture();
191         SetCursor(LoadCursorA(0, IDC_ARROWA));
192
193         if (lpe)
194           IEnumIDList_Release(lpe);
195         if (pidlTemp )
196           SHFree(pidlTemp);
197 }
198
199 static LRESULT MsgNotify(HWND hWnd,  UINT CtlID, LPNMHDR lpnmh)
200 {
201         NMTREEVIEWA     *pnmtv   = (NMTREEVIEWA *)lpnmh;
202         LPTV_ITEMDATA   lptvid;  /* Long pointer to TreeView item data */
203         IShellFolder *  lpsf2=0;
204
205
206         TRACE("%x %x %p msg=%x\n", hWnd,  CtlID, lpnmh, pnmtv->hdr.code);
207
208         switch (pnmtv->hdr.idFrom)
209         { case IDD_TREEVIEW:
210             switch (pnmtv->hdr.code)
211             { case TVN_DELETEITEMA: case TVN_DELETEITEMW:
212                 { FIXME("TVN_DELETEITEMA/W\n");
213                   lptvid=(LPTV_ITEMDATA)pnmtv->itemOld.lParam;
214                   IShellFolder_Release(lptvid->lpsfParent);
215                   SHFree(lptvid->lpi);
216                   SHFree(lptvid->lpifq);
217                   SHFree(lptvid);
218                 }
219                 break;
220
221               case TVN_ITEMEXPANDINGA: case TVN_ITEMEXPANDINGW:
222                 { FIXME("TVN_ITEMEXPANDINGA/W\n");
223                   if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
224                     break;
225
226                   lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
227                   if (SUCCEEDED(IShellFolder_BindToObject(lptvid->lpsfParent, lptvid->lpi,0,(REFIID)&IID_IShellFolder,(LPVOID *)&lpsf2)))
228                   { FillTreeView( lpsf2, lptvid->lpifq, pnmtv->itemNew.hItem );
229                   }
230                   TreeView_SortChildren(hwndTreeView, pnmtv->itemNew.hItem, FALSE);
231                 }
232                 break;
233               case TVN_SELCHANGEDA: case TVN_SELCHANGEDW:
234                 lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
235                 pidlRet = lptvid->lpifq;
236                 if (lpBrowseInfo->lpfn)
237                    (lpBrowseInfo->lpfn)(hWnd, BFFM_SELCHANGED, (LPARAM)pidlRet, lpBrowseInfo->lParam);
238                 break;
239
240               default:
241                 FIXME("unhandled (%d)\n", pnmtv->hdr.code);
242                 break;
243             }
244             break;
245
246           default:
247             break;
248         }
249
250         return 0;
251 }
252
253
254 /*************************************************************************
255  *             BrsFolderDlgProc32  (not an exported API function)
256  */
257 static BOOL WINAPI BrsFolderDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
258                                      LPARAM lParam )
259 {       TRACE("hwnd=%i msg=%i 0x%08x 0x%08lx\n", hWnd,  msg, wParam, lParam );
260
261         switch(msg)
262         { case WM_INITDIALOG:
263             pidlRet = NULL;
264             lpBrowseInfo = (LPBROWSEINFOA) lParam;
265             if (lpBrowseInfo->ulFlags & ~(BIF_STATUSTEXT))
266               FIXME("flags %x not implemented\n", lpBrowseInfo->ulFlags & ~(BIF_STATUSTEXT));
267             if (lpBrowseInfo->lpszTitle) {
268                SetWindowTextA(GetDlgItem(hWnd, IDD_TITLE), lpBrowseInfo->lpszTitle);
269             } else {
270                ShowWindow(GetDlgItem(hWnd, IDD_TITLE), SW_HIDE);
271             }
272             if (!(lpBrowseInfo->ulFlags & BIF_STATUSTEXT))
273                ShowWindow(GetDlgItem(hWnd, IDD_STATUS), SW_HIDE);
274
275             if ( lpBrowseInfo->pidlRoot )
276               FIXME("root is desktop\n");
277
278             InitializeTreeView( hWnd, lpBrowseInfo->pidlRoot );
279
280             if (lpBrowseInfo->lpfn) {
281                (lpBrowseInfo->lpfn)(hWnd, BFFM_INITIALIZED, 0, lpBrowseInfo->lParam);
282                (lpBrowseInfo->lpfn)(hWnd, BFFM_SELCHANGED, 0/*FIXME*/, lpBrowseInfo->lParam);
283             }
284
285             return TRUE;
286
287           case WM_NOTIFY:
288             MsgNotify( hWnd, (UINT)wParam, (LPNMHDR)lParam);
289             break;
290
291           case WM_COMMAND:
292             switch (wParam)
293             { case IDOK:
294                 pdump ( pidlRet );
295                 SHGetPathFromIDListA(pidlRet, lpBrowseInfo->pszDisplayName);
296                 EndDialog(hWnd, (DWORD) ILClone(pidlRet));
297                 return TRUE;
298
299               case IDCANCEL:
300                 EndDialog(hWnd, 0);
301                 return TRUE;
302                 break;
303             }
304             break;
305         case BFFM_SETSTATUSTEXTA:
306            TRACE("Set status %s\n", debugstr_a((LPSTR)lParam));
307            SetWindowTextA(GetDlgItem(hWnd, IDD_STATUS), (LPSTR)lParam);
308            break;
309         case BFFM_SETSTATUSTEXTW:
310            TRACE("Set status %s\n", debugstr_w((LPWSTR)lParam));
311            SetWindowTextW(GetDlgItem(hWnd, IDD_STATUS), (LPWSTR)lParam);
312            break;
313         case BFFM_ENABLEOK:
314            TRACE("Enable %ld\n", lParam);
315            EnableWindow(GetDlgItem(hWnd, 1), (lParam)?TRUE:FALSE);
316            break;
317         case BFFM_SETSELECTIONA:
318            if (wParam)
319               TRACE("Set selection %s\n", debugstr_a((LPSTR)lParam));
320            else
321               TRACE("Set selection %p\n", (void*)lParam);
322            break;
323         case BFFM_SETSELECTIONW:
324            if (wParam)
325               TRACE("Set selection %s\n", debugstr_w((LPWSTR)lParam));
326            else
327               TRACE("Set selection %p\n", (void*)lParam);
328            break;
329         }
330         return FALSE;
331 }
332
333 /*************************************************************************
334  * SHBrowseForFolderA [SHELL32.@]
335  * SHBrowseForFolder  [SHELL32.@]
336  *
337  */
338 LPITEMIDLIST WINAPI SHBrowseForFolderA (LPBROWSEINFOA lpbi)
339 {
340         TRACE("(%p{lpszTitle=%s,owner=%i})\n",
341               lpbi, debugstr_a(lpbi->lpszTitle), lpbi->hwndOwner);
342
343         return (LPITEMIDLIST) DialogBoxParamA( shell32_hInstance,
344                                                "SHBRSFORFOLDER_MSGBOX",
345                                                lpbi->hwndOwner,
346                                                BrsFolderDlgProc, (INT)lpbi );
347 }
348
349 /*************************************************************************
350  * SHBrowseForFolderW [SHELL32.@]
351  */
352 LPITEMIDLIST WINAPI SHBrowseForFolderW (LPBROWSEINFOW lpbi)
353 {
354   char szDisplayName[MAX_PATH], szTitle[MAX_PATH];
355   BROWSEINFOA bi;
356
357   TRACE("((%p->{lpszTitle=%s,owner=%i})\n", lpbi,
358         lpbi ? debugstr_w(lpbi->lpszTitle): NULL, lpbi ? lpbi->hwndOwner: 0);
359
360   if (!lpbi)
361     return NULL;
362
363   bi.hwndOwner = lpbi->hwndOwner;
364   bi.pidlRoot = lpbi->pidlRoot;
365   if (lpbi->pszDisplayName)
366   {
367     WideCharToMultiByte(CP_ACP, 0, lpbi->pszDisplayName, -1, szDisplayName, MAX_PATH, 0, NULL);
368     bi.pszDisplayName = szDisplayName;
369   }
370   else
371     bi.pszDisplayName = NULL;
372
373   if (lpbi->lpszTitle)
374   {
375     WideCharToMultiByte(CP_ACP, 0, lpbi->lpszTitle, -1, szTitle, MAX_PATH, 0, NULL);
376     bi.lpszTitle = szTitle;
377   }
378   else
379     bi.lpszTitle = NULL;
380
381   bi.ulFlags = lpbi->ulFlags;
382   bi.lpfn = lpbi->lpfn;
383   bi.lParam = lpbi->lParam;
384   bi.iImage = lpbi->iImage;
385   return (LPITEMIDLIST) DialogBoxParamA(shell32_hInstance,
386                                         "SHBRSFORFOLDER_MSGBOX", lpbi->hwndOwner,
387                                         BrsFolderDlgProc, (INT)lpbi);
388 }