Fixed crash during second DLL_PROCESS_DETACH if the dll
[wine] / dlls / shell32 / brsfolder.c
1 #include <stdlib.h>
2 #include <string.h>
3
4 #include "winerror.h"
5 #include "heap.h"
6 #include "resource.h"
7 #include "dlgs.h"
8 #include "win.h"
9 #include "sysmetrics.h"
10 #include "debugtools.h"
11 #include "winreg.h"
12 #include "authors.h"
13 #include "winnls.h"
14 #include "commctrl.h"
15 #include "spy.h"
16
17 #include "wine/obj_base.h"
18 #include "wine/obj_enumidlist.h"
19 #include "wine/obj_shellfolder.h"
20
21 #include "pidl.h"
22 #include "shell32_main.h"
23 #include "shellapi.h"
24
25 DEFAULT_DEBUG_CHANNEL(shell)
26
27 #define         IDD_TREEVIEW 99
28
29 static HWND             hwndTreeView;
30 static LPBROWSEINFOA  lpBrowseInfo;
31 static LPITEMIDLIST     pidlRet;
32
33 static void FillTreeView(LPSHELLFOLDER lpsf, LPITEMIDLIST  lpifq, HTREEITEM hParent);
34
35 static void InitializeTreeView(HWND hwndParent)
36 {
37         HIMAGELIST      hImageList;
38         IShellFolder *  lpsf;
39         HRESULT hr;
40
41         hwndTreeView = GetDlgItem (hwndParent, IDD_TREEVIEW);
42         Shell_GetImageList(NULL, &hImageList);
43         
44         TRACE("dlg=%x tree=%x\n", hwndParent, hwndTreeView );
45
46         if (hImageList && hwndTreeView)
47         { TreeView_SetImageList(hwndTreeView, hImageList, 0);
48         }
49
50         hr = SHGetDesktopFolder(&lpsf);
51
52         if (SUCCEEDED(hr) && hwndTreeView)
53         { TreeView_DeleteAllItems(hwndTreeView);
54           FillTreeView(lpsf, NULL, TVI_ROOT);
55         }
56         
57         if (SUCCEEDED(hr))
58         { IShellFolder_Release(lpsf);
59         }
60 }
61
62 static int GetIcon(LPITEMIDLIST lpi, UINT uFlags)
63 {       SHFILEINFOA    sfi;
64         SHGetFileInfoA((LPCSTR)lpi,0,&sfi, sizeof(SHFILEINFOA), uFlags);
65         return sfi.iIcon;
66 }
67
68 static void GetNormalAndSelectedIcons(LPITEMIDLIST lpifq,LPTVITEMA lpTV_ITEM)
69 {       TRACE("%p %p\n",lpifq, lpTV_ITEM);
70
71         lpTV_ITEM->iImage = GetIcon(lpifq, SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON);
72         lpTV_ITEM->iSelectedImage = GetIcon(lpifq, SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_OPENICON);
73
74         return;
75 }
76
77 typedef struct tagID
78 {
79    LPSHELLFOLDER lpsfParent;
80    LPITEMIDLIST  lpi;
81    LPITEMIDLIST  lpifq;
82 } TV_ITEMDATA, *LPTV_ITEMDATA;
83
84 static BOOL GetName(LPSHELLFOLDER lpsf, LPITEMIDLIST lpi, DWORD dwFlags, LPSTR lpFriendlyName)
85 {
86         BOOL   bSuccess=TRUE;
87         STRRET str;
88
89         TRACE("%p %p %lx %p\n", lpsf, lpi, dwFlags, lpFriendlyName);
90         if (SUCCEEDED(IShellFolder_GetDisplayNameOf(lpsf, lpi, dwFlags, &str)))
91         { bSuccess = StrRetToStrN (lpFriendlyName, MAX_PATH, &str, lpi);
92         }
93         else
94           bSuccess = FALSE;
95
96         TRACE("-- %s\n",lpFriendlyName);
97         return bSuccess;
98 }
99
100 static void FillTreeView(IShellFolder * lpsf, LPITEMIDLIST  pidl, HTREEITEM hParent)
101 {
102         TVITEMA         tvi;
103         TVINSERTSTRUCTA tvins;
104         HTREEITEM       hPrev = 0;
105         LPENUMIDLIST    lpe=0;
106         LPITEMIDLIST    pidlTemp=0;
107         LPTV_ITEMDATA   lptvid=0;
108         ULONG           ulFetched;
109         HRESULT         hr;
110         char            szBuff[256];
111         HWND            hwnd=GetParent(hwndTreeView);
112
113         TRACE("%p %p %x\n",lpsf, pidl, (INT)hParent);
114         
115         SetCapture(GetParent(hwndTreeView));
116         SetCursor(LoadCursorA(0, IDC_WAITA));
117
118         hr=IShellFolder_EnumObjects(lpsf,hwnd, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS,&lpe);
119
120         if (SUCCEEDED(hr))
121         { while (NOERROR == IEnumIDList_Next(lpe,1,&pidlTemp,&ulFetched))
122           { ULONG ulAttrs = SFGAO_HASSUBFOLDER | SFGAO_FOLDER;
123             IShellFolder_GetAttributesOf(lpsf, 1, &pidlTemp, &ulAttrs);
124             if (ulAttrs & (SFGAO_HASSUBFOLDER | SFGAO_FOLDER))
125             { if (ulAttrs & SFGAO_FOLDER)
126               { tvi.mask  = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM;
127
128                 if (ulAttrs & SFGAO_HASSUBFOLDER)
129                 {  tvi.cChildren=1;
130                    tvi.mask |= TVIF_CHILDREN;
131                 }
132
133                 if (! ( lptvid = (LPTV_ITEMDATA)SHAlloc(sizeof(TV_ITEMDATA)) ) )
134                   goto Done;
135
136                 if (!GetName(lpsf, pidlTemp, SHGDN_NORMAL, szBuff))
137                   goto Done;
138
139                 tvi.pszText    = szBuff;
140                 tvi.cchTextMax = MAX_PATH;
141                 tvi.lParam = (LPARAM)lptvid;
142
143                 IShellFolder_AddRef(lpsf);
144                 lptvid->lpsfParent = lpsf;
145                 lptvid->lpi     = ILClone(pidlTemp);
146                 lptvid->lpifq   = ILCombine(pidl, pidlTemp);
147                 GetNormalAndSelectedIcons(lptvid->lpifq, &tvi);
148
149                 tvins.DUMMYUNIONNAME.item         = tvi;
150                 tvins.hInsertAfter = hPrev;
151                 tvins.hParent      = hParent;
152
153                 hPrev = (HTREEITEM)TreeView_InsertItemA (hwndTreeView, &tvins);
154
155               }
156             }
157             SHFree(pidlTemp);  /* Finally, free the pidl that the shell gave us... */
158             pidlTemp=0;
159           }
160         }
161
162 Done:
163         ReleaseCapture();
164         SetCursor(LoadCursorA(0, IDC_ARROWA));
165
166         if (lpe)
167           lpe->lpvtbl->fnRelease(lpe);
168         if (pidlTemp )
169           SHFree(pidlTemp);
170 }
171
172 static LRESULT MsgNotify(HWND hWnd,  UINT CtlID, LPNMHDR lpnmh)
173 {       
174         NMTREEVIEWA     *pnmtv   = (NMTREEVIEWA *)lpnmh;
175         LPTV_ITEMDATA   lptvid;  /* Long pointer to TreeView item data */
176         IShellFolder *  lpsf2=0;
177         
178
179         TRACE("%x %x %p msg=%x\n", hWnd,  CtlID, lpnmh, pnmtv->hdr.code);
180
181         switch (pnmtv->hdr.idFrom)
182         { case IDD_TREEVIEW:
183             switch (pnmtv->hdr.code)   
184             { case TVN_DELETEITEM:
185                 { FIXME("TVN_DELETEITEM\n");
186                   lptvid=(LPTV_ITEMDATA)pnmtv->itemOld.lParam;
187                   IShellFolder_Release(lptvid->lpsfParent);
188                   SHFree(lptvid->lpi);  
189                   SHFree(lptvid->lpifq);  
190                   SHFree(lptvid);  
191                 }
192                 break;
193                         
194               case TVN_ITEMEXPANDING:
195                 { FIXME("TVN_ITEMEXPANDING\n");
196                   if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
197                     break;
198                 
199                   lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
200                   if (SUCCEEDED(IShellFolder_BindToObject(lptvid->lpsfParent, lptvid->lpi,0,(REFIID)&IID_IShellFolder,(LPVOID *)&lpsf2)))
201                   { FillTreeView( lpsf2, lptvid->lpifq, pnmtv->itemNew.hItem );
202                   }
203                   TreeView_SortChildren(hwndTreeView, pnmtv->itemNew.hItem, FALSE);
204                 }
205                 break;
206               case TVN_SELCHANGED:
207                 lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
208                 pidlRet = lptvid->lpifq;
209                 break;
210
211               default:
212                 FIXME("unhandled\n");
213                 break;
214             }
215             break;
216
217           default:
218             break;
219         }
220
221         return 0;
222 }
223
224
225 /*************************************************************************
226  *             BrsFolderDlgProc32  (not an exported API function)
227  */
228 BOOL WINAPI BrsFolderDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
229                                LPARAM lParam )
230 {    TRACE("hwnd=%i msg=%i 0x%08x 0x%08lx\n", hWnd,  msg, wParam, lParam );
231
232         switch(msg)
233         { case WM_INITDIALOG:
234             pidlRet = NULL;
235             lpBrowseInfo = (LPBROWSEINFOA) lParam;
236             if (lpBrowseInfo->lpfn)
237               FIXME("Callbacks not implemented\n");
238             if (lpBrowseInfo->ulFlags)
239               FIXME("flag %x not implemented\n", lpBrowseInfo->ulFlags);
240             if (lpBrowseInfo->lpszTitle)
241               FIXME("title %s not displayed\n", lpBrowseInfo->lpszTitle);
242             if ( lpBrowseInfo->pidlRoot )
243               FIXME("root is desktop\n");
244
245             InitializeTreeView ( hWnd);
246             return 1;
247
248           case WM_NOTIFY:
249             MsgNotify( hWnd, (UINT)wParam, (LPNMHDR)lParam);
250             break;
251             
252           case WM_COMMAND:
253             switch (wParam)
254             { case IDOK:
255                 pdump ( pidlRet );
256                 _ILGetPidlPath (pidlRet, lpBrowseInfo->pszDisplayName, MAX_PATH);
257                 EndDialog(hWnd, (DWORD) ILClone(pidlRet));
258                 return TRUE;
259
260               case IDCANCEL:
261                 EndDialog(hWnd, 0);
262                 return TRUE;
263             }
264             break;
265         }
266         return 0;
267 }
268
269 /*************************************************************************
270  * SHBrowseForFolderA [SHELL32.209]
271  *
272  */
273 LPITEMIDLIST WINAPI SHBrowseForFolderA (LPBROWSEINFOA lpbi)
274 {
275         TRACE("(%lx,%s) empty stub!\n", (DWORD)lpbi, lpbi->lpszTitle);
276
277         return (LPITEMIDLIST) DialogBoxParamA( shell32_hInstance,
278                         "SHBRSFORFOLDER_MSGBOX", 0,
279                         BrsFolderDlgProc, (INT)lpbi );
280 }