shell32: Use a default icon for control panels without one.
[wine] / dlls / shell32 / control.c
1 /* Control Panel management
2  *
3  * Copyright 2001 Eric Pouech
4  * Copyright 2008 Owen Rudge
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20
21 #include <assert.h>
22 #include <stdarg.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26
27 #include "windef.h"
28 #include "winbase.h"
29 #include "wingdi.h"
30 #include "winuser.h"
31 #include "winreg.h"
32 #include "wine/debug.h"
33 #include "cpl.h"
34 #include "wine/unicode.h"
35 #include "commctrl.h"
36
37 #define NO_SHLWAPI_REG
38 #include "shlwapi.h"
39
40 #include "cpanel.h"
41 #include "shresdef.h"
42 #include "shell32_main.h"
43
44 #define MAX_STRING_LEN      1024
45
46 WINE_DEFAULT_DEBUG_CHANNEL(shlctrl);
47
48 CPlApplet*      Control_UnloadApplet(CPlApplet* applet)
49 {
50     unsigned    i;
51     CPlApplet*  next;
52
53     for (i = 0; i < applet->count; i++) {
54         if (!applet->info[i].valid) continue;
55         applet->proc(applet->hWnd, CPL_STOP, i, applet->info[i].data);
56     }
57     if (applet->proc) applet->proc(applet->hWnd, CPL_EXIT, 0L, 0L);
58     FreeLibrary(applet->hModule);
59     next = applet->next;
60     HeapFree(GetProcessHeap(), 0, applet->cmd);
61     HeapFree(GetProcessHeap(), 0, applet);
62     return next;
63 }
64
65 CPlApplet*      Control_LoadApplet(HWND hWnd, LPCWSTR cmd, CPanel* panel)
66 {
67     CPlApplet*  applet;
68     unsigned    i;
69     CPLINFO     info;
70     NEWCPLINFOW newinfo;
71
72     if (!(applet = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*applet))))
73        return applet;
74
75     applet->hWnd = hWnd;
76
77     if (!(applet->hModule = LoadLibraryW(cmd))) {
78         WARN("Cannot load control panel applet %s\n", debugstr_w(cmd));
79         goto theError;
80     }
81     if (!(applet->proc = (APPLET_PROC)GetProcAddress(applet->hModule, "CPlApplet"))) {
82         WARN("Not a valid control panel applet %s\n", debugstr_w(cmd));
83         goto theError;
84     }
85     if (!applet->proc(hWnd, CPL_INIT, 0L, 0L)) {
86         WARN("Init of applet has failed\n");
87         goto theError;
88     }
89     if ((applet->count = applet->proc(hWnd, CPL_GETCOUNT, 0L, 0L)) == 0) {
90         WARN("No subprogram in applet\n");
91         goto theError;
92     }
93
94     applet = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, applet,
95                          sizeof(*applet) + (applet->count - 1) * sizeof(NEWCPLINFOW));
96
97     if (!(applet->cmd = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(cmd)+1) * sizeof(WCHAR)))) {
98         WARN("Cannot allocate memory for applet path\n");
99         goto theError;
100     }
101
102     lstrcpyW(applet->cmd, cmd);
103
104     for (i = 0; i < applet->count; i++) {
105        ZeroMemory(&newinfo, sizeof(newinfo));
106        newinfo.dwSize = sizeof(NEWCPLINFOA);
107        applet->info[i].valid = TRUE;
108        applet->info[i].helpfile[0] = 0;
109        /* proc is supposed to return a null value upon success for
110         * CPL_INQUIRE and CPL_NEWINQUIRE
111         * However, real drivers don't seem to behave like this
112         * So, use introspection rather than return value
113         */
114        applet->proc(hWnd, CPL_INQUIRE, i, (LPARAM)&info);
115        applet->info[i].data = info.lData;
116        if (info.idIcon != CPL_DYNAMIC_RES)
117            applet->info[i].icon = LoadIconW(applet->hModule, MAKEINTRESOURCEW(info.idIcon));
118        if (info.idName != CPL_DYNAMIC_RES)
119            LoadStringW(applet->hModule, info.idName,
120                        applet->info[i].name, sizeof(applet->info[i].name) / sizeof(WCHAR));
121        if (info.idInfo != CPL_DYNAMIC_RES)
122            LoadStringW(applet->hModule, info.idInfo,
123                        applet->info[i].info, sizeof(applet->info[i].info) / sizeof(WCHAR));
124
125        /* some broken control panels seem to return incorrect values in CPL_INQUIRE,
126           but proper data in CPL_NEWINQUIRE. if we get an empty string or a null
127           icon, see what we can get from CPL_NEWINQUIRE */
128
129        if (!applet->info[i].name[0]) info.idName = CPL_DYNAMIC_RES;
130
131        /* zero-length szInfo may not be a buggy applet, but it doesn't hurt for us
132           to check anyway */
133
134        if (!applet->info[i].info[0]) info.idInfo = CPL_DYNAMIC_RES;
135
136        if (applet->info[i].icon == NULL)
137            info.idIcon = CPL_DYNAMIC_RES;
138
139        if ((info.idIcon == CPL_DYNAMIC_RES) || (info.idName == CPL_DYNAMIC_RES) ||
140            (info.idInfo == CPL_DYNAMIC_RES)) {
141            applet->proc(hWnd, CPL_NEWINQUIRE, i, (LPARAM)&newinfo);
142
143            applet->info[i].data = newinfo.lData;
144            if (info.idIcon == CPL_DYNAMIC_RES) {
145                if (!newinfo.hIcon) WARN("couldn't get icon for applet %u\n", i);
146                applet->info[i].icon = newinfo.hIcon;
147            }
148            if (newinfo.dwSize == sizeof(NEWCPLINFOW)) {
149                if (info.idName == CPL_DYNAMIC_RES)
150                    memcpy(applet->info[i].name, newinfo.szName, sizeof(newinfo.szName));
151                if (info.idInfo == CPL_DYNAMIC_RES)
152                    memcpy(applet->info[i].info, newinfo.szInfo, sizeof(newinfo.szInfo));
153                memcpy(applet->info[i].helpfile, newinfo.szHelpFile, sizeof(newinfo.szHelpFile));
154            } else {
155                if (info.idName == CPL_DYNAMIC_RES)
156                    MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szName,
157                                        sizeof(((LPNEWCPLINFOA)&newinfo)->szName) / sizeof(CHAR),
158                                        applet->info[i].name, sizeof(applet->info[i].name) / sizeof(WCHAR));
159                if (info.idInfo == CPL_DYNAMIC_RES)
160                    MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szInfo,
161                                        sizeof(((LPNEWCPLINFOA)&newinfo)->szInfo) / sizeof(CHAR),
162                                        applet->info[i].info, sizeof(applet->info[i].info) / sizeof(WCHAR));
163                MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szHelpFile,
164                                    sizeof(((LPNEWCPLINFOA)&newinfo)->szHelpFile) / sizeof(CHAR),
165                                    applet->info[i].helpfile,
166                                    sizeof(applet->info[i].helpfile) / sizeof(WCHAR));
167            }
168        }
169     }
170
171     applet->next = panel->first;
172     panel->first = applet;
173
174     return applet;
175
176  theError:
177     Control_UnloadApplet(applet);
178     return NULL;
179 }
180
181 #define IDC_LISTVIEW        1000
182 #define IDC_STATUSBAR       1001
183
184 #define NUM_COLUMNS            2
185 #define LISTVIEW_DEFSTYLE   (WS_CHILD | WS_VISIBLE | WS_TABSTOP |\
186                              LVS_SORTASCENDING | LVS_AUTOARRANGE | LVS_SINGLESEL)
187
188 static BOOL Control_CreateListView (CPanel *panel)
189 {
190     RECT ws, sb;
191     WCHAR empty_string[] = {0};
192     WCHAR buf[MAX_STRING_LEN];
193     LVCOLUMNW lvc;
194
195     /* Create list view */
196     GetClientRect(panel->hWndStatusBar, &sb);
197     GetClientRect(panel->hWnd, &ws);
198
199     panel->hWndListView = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW,
200                           empty_string, LISTVIEW_DEFSTYLE | LVS_ICON,
201                           0, 0, ws.right - ws.left, ws.bottom - ws.top -
202                           (sb.bottom - sb.top), panel->hWnd,
203                           (HMENU) IDC_LISTVIEW, panel->hInst, NULL);
204
205     if (!panel->hWndListView)
206         return FALSE;
207
208     /* Create image lists for list view */
209     panel->hImageListSmall = ImageList_Create(GetSystemMetrics(SM_CXSMICON),
210         GetSystemMetrics(SM_CYSMICON), ILC_COLOR32 | ILC_MASK, 1, 1);
211     panel->hImageListLarge = ImageList_Create(GetSystemMetrics(SM_CXICON),
212         GetSystemMetrics(SM_CYICON), ILC_COLOR32 | ILC_MASK, 1, 1);
213
214     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_SMALL, (LPARAM)panel->hImageListSmall);
215     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_NORMAL, (LPARAM)panel->hImageListLarge);
216
217     /* Create columns for list view */
218     lvc.mask = LVCF_FMT | LVCF_TEXT | LVCF_SUBITEM | LVCF_WIDTH;
219     lvc.pszText = buf;
220     lvc.fmt = LVCFMT_LEFT;
221
222     /* Name column */
223     lvc.iSubItem = 0;
224     lvc.cx = (ws.right - ws.left) / 3;
225     LoadStringW(shell32_hInstance, IDS_CPANEL_NAME, buf, sizeof(buf) / sizeof(buf[0]));
226
227     if (ListView_InsertColumnW(panel->hWndListView, 0, &lvc) == -1)
228         return FALSE;
229
230     /* Description column */
231     lvc.iSubItem = 1;
232     lvc.cx = ((ws.right - ws.left) / 3) * 2;
233     LoadStringW(shell32_hInstance, IDS_CPANEL_DESCRIPTION, buf, sizeof(buf) /
234         sizeof(buf[0]));
235
236     if (ListView_InsertColumnW(panel->hWndListView, 1, &lvc) == -1)
237         return FALSE;
238
239     return(TRUE);
240 }
241
242 static void      Control_WndProc_Create(HWND hWnd, const CREATESTRUCTW* cs)
243 {
244    CPanel* panel = cs->lpCreateParams;
245    HMENU hMenu, hSubMenu;
246    CPlApplet* applet;
247    MENUITEMINFOW mii;
248    unsigned int i;
249    int menucount, index;
250    CPlItem *item;
251    LVITEMW lvItem;
252    INITCOMMONCONTROLSEX icex;
253    INT sb_parts;
254    int itemidx;
255
256    SetWindowLongPtrW(hWnd, 0, (LONG_PTR)panel);
257    panel->hWnd = hWnd;
258
259    /* Initialise common control DLL */
260    icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
261    icex.dwICC = ICC_LISTVIEW_CLASSES | ICC_BAR_CLASSES;
262    InitCommonControlsEx(&icex);
263
264    /* create the status bar */
265    if (!(panel->hWndStatusBar = CreateStatusWindowW(WS_CHILD | WS_VISIBLE | CCS_BOTTOM | SBARS_SIZEGRIP, NULL, hWnd, IDC_STATUSBAR)))
266        return;
267
268    sb_parts = -1;
269    SendMessageW(panel->hWndStatusBar, SB_SETPARTS, 1, (LPARAM) &sb_parts);
270
271    /* create the list view */
272    if (!Control_CreateListView(panel))
273        return;
274
275    hMenu = LoadMenuW(shell32_hInstance, MAKEINTRESOURCEW(MENU_CPANEL));
276
277    /* insert menu items for applets */
278    hSubMenu = GetSubMenu(hMenu, 0);
279    menucount = 0;
280
281    for (applet = panel->first; applet; applet = applet->next) {
282       for (i = 0; i < applet->count; i++) {
283          if (!applet->info[i].valid)
284             continue;
285
286          /* set up a CPlItem for this particular subprogram */
287          item = HeapAlloc(GetProcessHeap(), 0, sizeof(CPlItem));
288
289          if (!item)
290             continue;
291
292          item->applet = applet;
293          item->id = i;
294
295          mii.cbSize = sizeof(MENUITEMINFOW);
296          mii.fMask = MIIM_ID | MIIM_STRING | MIIM_DATA;
297          mii.dwTypeData = applet->info[i].name;
298          mii.cch = sizeof(applet->info[i].name) / sizeof(WCHAR);
299          mii.wID = IDM_CPANEL_APPLET_BASE + menucount;
300          mii.dwItemData = (ULONG_PTR)item;
301
302          if (InsertMenuItemW(hSubMenu, menucount, TRUE, &mii)) {
303             /* add the list view item */
304             HICON icon = applet->info[i].icon;
305             if (!icon) icon = LoadImageW( 0, (LPCWSTR)IDI_WINLOGO, IMAGE_ICON, 0, 0, LR_SHARED );
306             index = ImageList_AddIcon(panel->hImageListLarge, icon);
307             ImageList_AddIcon(panel->hImageListSmall, icon);
308
309             lvItem.mask = LVIF_IMAGE | LVIF_TEXT | LVIF_PARAM;
310             lvItem.iItem = menucount;
311             lvItem.iSubItem = 0;
312             lvItem.pszText = applet->info[i].name;
313             lvItem.iImage = index;
314             lvItem.lParam = (LPARAM) item;
315
316             itemidx = ListView_InsertItemW(panel->hWndListView, &lvItem);
317
318             /* add the description */
319             ListView_SetItemTextW(panel->hWndListView, itemidx, 1, applet->info[i].info);
320
321             /* update menu bar, increment count */
322             DrawMenuBar(hWnd);
323             menucount++;
324          }
325       }
326    }
327
328    panel->total_subprogs = menucount;
329
330    /* check the "large items" icon in the View menu */
331    hSubMenu = GetSubMenu(hMenu, 1);
332    CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
333       FCIDM_SHVIEW_BIGICON, MF_BYCOMMAND);
334
335    SetMenu(hWnd, hMenu);
336 }
337
338 static void Control_FreeCPlItems(HWND hWnd, CPanel *panel)
339 {
340     HMENU hMenu, hSubMenu;
341     MENUITEMINFOW mii;
342     unsigned int i;
343
344     /* get the File menu */
345     hMenu = GetMenu(hWnd);
346
347     if (!hMenu)
348         return;
349
350     hSubMenu = GetSubMenu(hMenu, 0);
351
352     if (!hSubMenu)
353         return;
354
355     /* loop and free the item data */
356     for (i = IDM_CPANEL_APPLET_BASE; i <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs; i++)
357     {
358         mii.cbSize = sizeof(MENUITEMINFOW);
359         mii.fMask = MIIM_DATA;
360
361         if (!GetMenuItemInfoW(hSubMenu, i, FALSE, &mii))
362             continue;
363
364         HeapFree(GetProcessHeap(), 0, (LPVOID) mii.dwItemData);
365     }
366 }
367
368 static void Control_UpdateListViewStyle(CPanel *panel, UINT style, UINT id)
369 {
370     HMENU hMenu, hSubMenu;
371
372     SetWindowLongW(panel->hWndListView, GWL_STYLE, LISTVIEW_DEFSTYLE | style);
373
374     /* update the menu */
375     hMenu = GetMenu(panel->hWnd);
376     hSubMenu = GetSubMenu(hMenu, 1);
377
378     CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
379         id, MF_BYCOMMAND);
380 }
381
382 static CPlItem* Control_GetCPlItem_From_MenuID(HWND hWnd, UINT id)
383 {
384     HMENU hMenu, hSubMenu;
385     MENUITEMINFOW mii;
386
387     /* retrieve the CPlItem structure from the menu item data */
388     hMenu = GetMenu(hWnd);
389
390     if (!hMenu)
391         return NULL;
392
393     hSubMenu = GetSubMenu(hMenu, 0);
394
395     if (!hSubMenu)
396         return NULL;
397
398     mii.cbSize = sizeof(MENUITEMINFOW);
399     mii.fMask = MIIM_DATA;
400
401     if (!GetMenuItemInfoW(hSubMenu, id, FALSE, &mii))
402         return NULL;
403
404     return (CPlItem *) mii.dwItemData;
405 }
406
407 static CPlItem* Control_GetCPlItem_From_ListView(CPanel *panel)
408 {
409     LVITEMW lvItem;
410     int selitem;
411
412     selitem = SendMessageW(panel->hWndListView, LVM_GETNEXTITEM, -1, LVNI_FOCUSED
413         | LVNI_SELECTED);
414
415     if (selitem != -1)
416     {
417         lvItem.iItem = selitem;
418         lvItem.mask = LVIF_PARAM;
419
420         if (SendMessageW(panel->hWndListView, LVM_GETITEMW, 0, (LPARAM) &lvItem))
421             return (CPlItem *) lvItem.lParam;
422     }
423
424     return NULL;
425 }
426
427 static void Control_StartApplet(HWND hWnd, CPlItem *item)
428 {
429     WCHAR verbOpen[] = {'c','p','l','o','p','e','n',0};
430     WCHAR format[] = {'@','%','d',0};
431     WCHAR param[MAX_PATH];
432
433     /* execute the applet if item is valid */
434     if (item)
435     {
436         wsprintfW(param, format, item->id);
437         ShellExecuteW(hWnd, verbOpen, item->applet->cmd, param, NULL, SW_SHOW);
438     }
439 }
440
441 static LRESULT WINAPI   Control_WndProc(HWND hWnd, UINT wMsg,
442                                         WPARAM lParam1, LPARAM lParam2)
443 {
444    CPanel*      panel = (CPanel*)GetWindowLongPtrW(hWnd, 0);
445
446    if (panel || wMsg == WM_CREATE) {
447       switch (wMsg) {
448       case WM_CREATE:
449          Control_WndProc_Create(hWnd, (CREATESTRUCTW*)lParam2);
450          return 0;
451       case WM_DESTROY:
452          {
453             CPlApplet*  applet = panel->first;
454             while (applet)
455                applet = Control_UnloadApplet(applet);
456          }
457          Control_FreeCPlItems(hWnd, panel);
458          PostQuitMessage(0);
459          break;
460       case WM_COMMAND:
461          switch (LOWORD(lParam1))
462          {
463              case IDM_CPANEL_EXIT:
464                  SendMessageW(hWnd, WM_CLOSE, 0, 0);
465                  return 0;
466
467              case IDM_CPANEL_ABOUT:
468                  {
469                      WCHAR appName[MAX_STRING_LEN];
470                      HICON icon = LoadImageW(shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL),
471                                              IMAGE_ICON, 48, 48, LR_SHARED);
472
473                      LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName,
474                          sizeof(appName) / sizeof(appName[0]));
475                      ShellAboutW(hWnd, appName, NULL, icon);
476
477                      return 0;
478                  }
479
480              case FCIDM_SHVIEW_BIGICON:
481                  Control_UpdateListViewStyle(panel, LVS_ICON, FCIDM_SHVIEW_BIGICON);
482                  return 0;
483
484              case FCIDM_SHVIEW_SMALLICON:
485                  Control_UpdateListViewStyle(panel, LVS_SMALLICON, FCIDM_SHVIEW_SMALLICON);
486                  return 0;
487
488              case FCIDM_SHVIEW_LISTVIEW:
489                  Control_UpdateListViewStyle(panel, LVS_LIST, FCIDM_SHVIEW_LISTVIEW);
490                  return 0;
491
492              case FCIDM_SHVIEW_REPORTVIEW:
493                  Control_UpdateListViewStyle(panel, LVS_REPORT, FCIDM_SHVIEW_REPORTVIEW);
494                  return 0;
495
496              default:
497                  /* check if this is an applet */
498                  if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
499                      (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
500                  {
501                      Control_StartApplet(hWnd, Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1)));
502                      return 0;
503                  }
504
505                  break;
506          }
507
508          break;
509
510       case WM_NOTIFY:
511       {
512           LPNMHDR nmh = (LPNMHDR) lParam2;
513
514           switch (nmh->idFrom)
515           {
516               case IDC_LISTVIEW:
517                   switch (nmh->code)
518                   {
519                       case NM_RETURN:
520                       case NM_DBLCLK:
521                       {
522                           Control_StartApplet(hWnd, Control_GetCPlItem_From_ListView(panel));
523                           return 0;
524                       }
525                       case LVN_ITEMCHANGED:
526                       {
527                           CPlItem *item = Control_GetCPlItem_From_ListView(panel);
528
529                           /* update the status bar if item is valid */
530                           if (item)
531                               SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
532                           else
533                               SetWindowTextW(panel->hWndStatusBar, NULL);
534
535                           return 0;
536                       }
537                   }
538
539                   break;
540           }
541
542           break;
543       }
544
545       case WM_MENUSELECT:
546           /* check if this is an applet */
547           if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
548               (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
549           {
550               CPlItem *item = Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1));
551
552               /* update the status bar if item is valid */
553               if (item)
554                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
555           }
556           else if ((HIWORD(lParam1) == 0xFFFF) && (lParam2 == 0))
557           {
558               /* reset status bar description to that of the selected icon */
559               CPlItem *item = Control_GetCPlItem_From_ListView(panel);
560
561               if (item)
562                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
563               else
564                   SetWindowTextW(panel->hWndStatusBar, NULL);
565
566               return 0;
567           }
568           else
569               SetWindowTextW(panel->hWndStatusBar, NULL);
570
571           return 0;
572
573       case WM_SIZE:
574       {
575           HDWP hdwp;
576           RECT sb;
577
578           hdwp = BeginDeferWindowPos(2);
579
580           if (hdwp == NULL)
581               break;
582
583           GetClientRect(panel->hWndStatusBar, &sb);
584
585           hdwp = DeferWindowPos(hdwp, panel->hWndListView, NULL, 0, 0,
586               LOWORD(lParam2), HIWORD(lParam2) - (sb.bottom - sb.top),
587               SWP_NOZORDER | SWP_NOMOVE);
588
589           if (hdwp == NULL)
590               break;
591
592           hdwp = DeferWindowPos(hdwp, panel->hWndStatusBar, NULL, 0, 0,
593               LOWORD(lParam2), LOWORD(lParam1), SWP_NOZORDER | SWP_NOMOVE);
594
595           if (hdwp != NULL)
596               EndDeferWindowPos(hdwp);
597
598           return 0;
599       }
600      }
601    }
602
603    return DefWindowProcW(hWnd, wMsg, lParam1, lParam2);
604 }
605
606 static void    Control_DoInterface(CPanel* panel, HWND hWnd, HINSTANCE hInst)
607 {
608     WNDCLASSEXW wc;
609     MSG         msg;
610     WCHAR appName[MAX_STRING_LEN];
611     const WCHAR className[] = {'S','h','e','l','l','_','C','o','n','t','r','o',
612         'l','_','W','n','d','C','l','a','s','s',0};
613
614     LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName, sizeof(appName) / sizeof(appName[0]));
615
616     wc.cbSize = sizeof(wc);
617     wc.style = CS_HREDRAW|CS_VREDRAW;
618     wc.lpfnWndProc = Control_WndProc;
619     wc.cbClsExtra = 0;
620     wc.cbWndExtra = sizeof(CPlApplet*);
621     wc.hInstance = panel->hInst = hInst;
622     wc.hIcon = LoadIconW( shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL) );
623     wc.hCursor = LoadCursorW( 0, (LPWSTR)IDC_ARROW );
624     wc.hbrBackground = GetStockObject(WHITE_BRUSH);
625     wc.lpszMenuName = NULL;
626     wc.lpszClassName = className;
627     wc.hIconSm = LoadImageW( shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL), IMAGE_ICON,
628                              GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
629
630     if (!RegisterClassExW(&wc)) return;
631
632     CreateWindowExW(0, wc.lpszClassName, appName,
633                     WS_OVERLAPPEDWINDOW | WS_VISIBLE,
634                     CW_USEDEFAULT, CW_USEDEFAULT,
635                     CW_USEDEFAULT, CW_USEDEFAULT,
636                     hWnd, NULL, hInst, panel);
637     if (!panel->hWnd) return;
638
639     while (GetMessageW(&msg, panel->hWnd, 0, 0)) {
640         TranslateMessage(&msg);
641         DispatchMessageW(&msg);
642     }
643 }
644
645 static void Control_RegisterRegistryApplets(HWND hWnd, CPanel *panel, HKEY hkey_root, LPCWSTR szRepPath)
646 {
647     WCHAR name[MAX_PATH];
648     WCHAR value[MAX_PATH];
649     HKEY hkey;
650
651     if (RegOpenKeyW(hkey_root, szRepPath, &hkey) == ERROR_SUCCESS)
652     {
653         int idx = 0;
654
655         for(;; ++idx)
656         {
657             DWORD nameLen = MAX_PATH;
658             DWORD valueLen = MAX_PATH;
659
660             if (RegEnumValueW(hkey, idx, name, &nameLen, NULL, NULL, (LPBYTE)value, &valueLen) != ERROR_SUCCESS)
661                 break;
662
663             Control_LoadApplet(hWnd, value, panel);
664         }
665         RegCloseKey(hkey);
666     }
667 }
668
669 static  void    Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
670 {
671     HANDLE              h;
672     WIN32_FIND_DATAW    fd;
673     WCHAR               buffer[MAX_PATH];
674     static const WCHAR wszAllCpl[] = {'*','.','c','p','l',0};
675     static const WCHAR wszRegPath[] = {'S','O','F','T','W','A','R','E','\\','M','i','c','r','o','s','o','f','t',
676             '\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
677             '\\','C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','C','p','l','s',0};
678     WCHAR *p;
679
680     /* first add .cpl files in the system directory */
681     GetSystemDirectoryW( buffer, MAX_PATH );
682     p = buffer + strlenW(buffer);
683     *p++ = '\\';
684     lstrcpyW(p, wszAllCpl);
685
686     if ((h = FindFirstFileW(buffer, &fd)) != INVALID_HANDLE_VALUE) {
687         do {
688            lstrcpyW(p, fd.cFileName);
689            Control_LoadApplet(hWnd, buffer, panel);
690         } while (FindNextFileW(h, &fd));
691         FindClose(h);
692     }
693
694     /* now check for cpls in the registry */
695     Control_RegisterRegistryApplets(hWnd, panel, HKEY_LOCAL_MACHINE, wszRegPath);
696     Control_RegisterRegistryApplets(hWnd, panel, HKEY_CURRENT_USER, wszRegPath);
697
698     Control_DoInterface(panel, hWnd, hInst);
699 }
700
701 static  void    Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
702    /* forms to parse:
703     *   foo.cpl,@sp,str
704     *   foo.cpl,@sp
705     *   foo.cpl,,str
706     *   foo.cpl @sp
707     *   foo.cpl str
708     *   "a path\foo.cpl"
709     */
710 {
711     LPWSTR      buffer;
712     LPWSTR      beg = NULL;
713     LPWSTR      end;
714     WCHAR       ch;
715     LPWSTR       ptr;
716     signed      sp = -1;
717     LPWSTR      extraPmtsBuf = NULL;
718     LPWSTR      extraPmts = NULL;
719     int        quoted = 0;
720
721     buffer = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(wszCmd) + 1) * sizeof(*wszCmd));
722     if (!buffer) return;
723
724     end = lstrcpyW(buffer, wszCmd);
725
726     for (;;) {
727         ch = *end;
728         if (ch == '"') quoted = !quoted;
729         if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
730             *end = '\0';
731             if (beg) {
732                 if (*beg == '@') {
733                     sp = atoiW(beg + 1);
734                 } else if (*beg == '\0') {
735                     sp = -1;
736                 } else {
737                     extraPmtsBuf = beg;
738                 }
739             }
740             if (ch == '\0') break;
741             beg = end + 1;
742             if (ch == ' ') while (end[1] == ' ') end++;
743         }
744         end++;
745     }
746     while ((ptr = StrChrW(buffer, '"')))
747         memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
748
749     /* now check for any quotes in extraPmtsBuf and remove */
750     if (extraPmtsBuf != NULL)
751     {
752         beg = end = extraPmtsBuf;
753         quoted = 0;
754
755         for (;;) {
756             ch = *end;
757             if (ch == '"') quoted = !quoted;
758             if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
759                 *end = '\0';
760                 if (beg) {
761                     if (*beg != '\0') {
762                         extraPmts = beg;
763                     }
764                 }
765                 if (ch == '\0') break;
766                     beg = end + 1;
767                 if (ch == ' ') while (end[1] == ' ') end++;
768             }
769             end++;
770         }
771
772         while ((ptr = StrChrW(extraPmts, '"')))
773             memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
774
775         if (extraPmts == NULL)
776             extraPmts = extraPmtsBuf;
777     }
778
779     /* Now check if there had been a numerical value in the extra params */
780     if ((extraPmts) && (*extraPmts == '@') && (sp == -1)) {
781         sp = atoiW(extraPmts + 1);
782     }
783
784     TRACE("cmd %s, extra %s, sp %d\n", debugstr_w(buffer), debugstr_w(extraPmts), sp);
785
786     Control_LoadApplet(hWnd, buffer, panel);
787
788     if (panel->first) {
789         CPlApplet* applet = panel->first;
790
791         assert(applet && applet->next == NULL);
792
793         /* we've been given a textual parameter (or none at all) */
794         if (sp == -1) {
795             while ((++sp) != applet->count) {
796                 if (applet->info[sp].valid) {
797                     TRACE("sp %d, name %s\n", sp, debugstr_w(applet->info[sp].name));
798
799                     if (StrCmpIW(extraPmts, applet->info[sp].name) == 0)
800                         break;
801                 }
802             }
803         }
804
805         if (sp >= applet->count) {
806             WARN("Out of bounds (%u >= %u), setting to 0\n", sp, applet->count);
807             sp = 0;
808         }
809
810         if (applet->info[sp].valid) {
811             if (!applet->proc(applet->hWnd, CPL_STARTWPARMSW, sp, (LPARAM)extraPmts))
812                 applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].data);
813         }
814
815         Control_UnloadApplet(applet);
816     }
817
818     HeapFree(GetProcessHeap(), 0, buffer);
819 }
820
821 /*************************************************************************
822  * Control_RunDLLW                      [SHELL32.@]
823  *
824  */
825 void WINAPI Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
826 {
827     CPanel      panel;
828
829     TRACE("(%p, %p, %s, 0x%08x)\n",
830           hWnd, hInst, debugstr_w(cmd), nCmdShow);
831
832     memset(&panel, 0, sizeof(panel));
833
834     if (!cmd || !*cmd) {
835         Control_DoWindow(&panel, hWnd, hInst);
836     } else {
837         Control_DoLaunch(&panel, hWnd, cmd);
838     }
839 }
840
841 /*************************************************************************
842  * Control_RunDLLA                      [SHELL32.@]
843  *
844  */
845 void WINAPI Control_RunDLLA(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow)
846 {
847     DWORD len = MultiByteToWideChar(CP_ACP, 0, cmd, -1, NULL, 0 );
848     LPWSTR wszCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
849     if (wszCmd && MultiByteToWideChar(CP_ACP, 0, cmd, -1, wszCmd, len ))
850     {
851         Control_RunDLLW(hWnd, hInst, wszCmd, nCmdShow);
852     }
853     HeapFree(GetProcessHeap(), 0, wszCmd);
854 }
855
856 /*************************************************************************
857  * Control_FillCache_RunDLLW                    [SHELL32.@]
858  *
859  */
860 HRESULT WINAPI Control_FillCache_RunDLLW(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
861 {
862     FIXME("%p %p 0x%08x 0x%08x stub\n", hWnd, hModule, w, x);
863     return 0;
864 }
865
866 /*************************************************************************
867  * Control_FillCache_RunDLLA                    [SHELL32.@]
868  *
869  */
870 HRESULT WINAPI Control_FillCache_RunDLLA(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
871 {
872     return Control_FillCache_RunDLLW(hWnd, hModule, w, x);
873 }
874
875 /*************************************************************************
876  * CallCPLEntry16                               [SHELL32.166]
877  *
878  * called by desk.cpl on "Advanced" with:
879  * hMod("DeskCp16.Dll"), pFunc("CplApplet"), 0, 1, 0xc, 0
880  *
881  */
882 DWORD WINAPI CallCPLEntry16(HMODULE hMod, FARPROC pFunc, DWORD dw3, DWORD dw4, DWORD dw5, DWORD dw6)
883 {
884     FIXME("(%p, %p, %08x, %08x, %08x, %08x): stub.\n", hMod, pFunc, dw3, dw4, dw5, dw6);
885     return 0x0deadbee;
886 }