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 index = ImageList_AddIcon(panel->hImageListLarge, applet->info[i].icon);
305 ImageList_AddIcon(panel->hImageListSmall, applet->info[i].icon);
306
307 lvItem.mask = LVIF_IMAGE | LVIF_TEXT | LVIF_PARAM;
308 lvItem.iItem = menucount;
309 lvItem.iSubItem = 0;
310 lvItem.pszText = applet->info[i].name;
311 lvItem.iImage = index;
312 lvItem.lParam = (LPARAM) item;
313
314 itemidx = ListView_InsertItemW(panel->hWndListView, &lvItem);
315
316 /* add the description */
317 ListView_SetItemTextW(panel->hWndListView, itemidx, 1, applet->info[i].info);
318
319 /* update menu bar, increment count */
320 DrawMenuBar(hWnd);
321 menucount++;
322 }
323 }
324 }
325
326 panel->total_subprogs = menucount;
327
328 /* check the "large items" icon in the View menu */
329 hSubMenu = GetSubMenu(hMenu, 1);
330 CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
331 FCIDM_SHVIEW_BIGICON, MF_BYCOMMAND);
332
333 SetMenu(hWnd, hMenu);
334 }
335
336 static void Control_FreeCPlItems(HWND hWnd, CPanel *panel)
337 {
338 HMENU hMenu, hSubMenu;
339 MENUITEMINFOW mii;
340 unsigned int i;
341
342 /* get the File menu */
343 hMenu = GetMenu(hWnd);
344
345 if (!hMenu)
346 return;
347
348 hSubMenu = GetSubMenu(hMenu, 0);
349
350 if (!hSubMenu)
351 return;
352
353 /* loop and free the item data */
354 for (i = IDM_CPANEL_APPLET_BASE; i <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs; i++)
355 {
356 mii.cbSize = sizeof(MENUITEMINFOW);
357 mii.fMask = MIIM_DATA;
358
359 if (!GetMenuItemInfoW(hSubMenu, i, FALSE, &mii))
360 continue;
361
362 HeapFree(GetProcessHeap(), 0, (LPVOID) mii.dwItemData);
363 }
364 }
365
366 static void Control_UpdateListViewStyle(CPanel *panel, UINT style, UINT id)
367 {
368 HMENU hMenu, hSubMenu;
369
370 SetWindowLongW(panel->hWndListView, GWL_STYLE, LISTVIEW_DEFSTYLE | style);
371
372 /* update the menu */
373 hMenu = GetMenu(panel->hWnd);
374 hSubMenu = GetSubMenu(hMenu, 1);
375
376 CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
377 id, MF_BYCOMMAND);
378 }
379
380 static CPlItem* Control_GetCPlItem_From_MenuID(HWND hWnd, UINT id)
381 {
382 HMENU hMenu, hSubMenu;
383 MENUITEMINFOW mii;
384
385 /* retrieve the CPlItem structure from the menu item data */
386 hMenu = GetMenu(hWnd);
387
388 if (!hMenu)
389 return NULL;
390
391 hSubMenu = GetSubMenu(hMenu, 0);
392
393 if (!hSubMenu)
394 return NULL;
395
396 mii.cbSize = sizeof(MENUITEMINFOW);
397 mii.fMask = MIIM_DATA;
398
399 if (!GetMenuItemInfoW(hSubMenu, id, FALSE, &mii))
400 return NULL;
401
402 return (CPlItem *) mii.dwItemData;
403 }
404
405 static CPlItem* Control_GetCPlItem_From_ListView(CPanel *panel)
406 {
407 LVITEMW lvItem;
408 int selitem;
409
410 selitem = SendMessageW(panel->hWndListView, LVM_GETNEXTITEM, -1, LVNI_FOCUSED
411 | LVNI_SELECTED);
412
413 if (selitem != -1)
414 {
415 lvItem.iItem = selitem;
416 lvItem.mask = LVIF_PARAM;
417
418 if (SendMessageW(panel->hWndListView, LVM_GETITEMW, 0, (LPARAM) &lvItem))
419 return (CPlItem *) lvItem.lParam;
420 }
421
422 return NULL;
423 }
424
425 static void Control_StartApplet(HWND hWnd, CPlItem *item)
426 {
427 WCHAR verbOpen[] = {'c','p','l','o','p','e','n',0};
428 WCHAR format[] = {'@','%','d',0};
429 WCHAR param[MAX_PATH];
430
431 /* execute the applet if item is valid */
432 if (item)
433 {
434 wsprintfW(param, format, item->id);
435 ShellExecuteW(hWnd, verbOpen, item->applet->cmd, param, NULL, SW_SHOW);
436 }
437 }
438
439 static LRESULT WINAPI Control_WndProc(HWND hWnd, UINT wMsg,
440 WPARAM lParam1, LPARAM lParam2)
441 {
442 CPanel* panel = (CPanel*)GetWindowLongPtrW(hWnd, 0);
443
444 if (panel || wMsg == WM_CREATE) {
445 switch (wMsg) {
446 case WM_CREATE:
447 Control_WndProc_Create(hWnd, (CREATESTRUCTW*)lParam2);
448 return 0;
449 case WM_DESTROY:
450 {
451 CPlApplet* applet = panel->first;
452 while (applet)
453 applet = Control_UnloadApplet(applet);
454 }
455 Control_FreeCPlItems(hWnd, panel);
456 PostQuitMessage(0);
457 break;
458 case WM_COMMAND:
459 switch (LOWORD(lParam1))
460 {
461 case IDM_CPANEL_EXIT:
462 SendMessageW(hWnd, WM_CLOSE, 0, 0);
463 return 0;
464
465 case IDM_CPANEL_ABOUT:
466 {
467 WCHAR appName[MAX_STRING_LEN];
468 HICON icon = LoadImageW(shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL),
469 IMAGE_ICON, 48, 48, LR_SHARED);
470
471 LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName,
472 sizeof(appName) / sizeof(appName[0]));
473 ShellAboutW(hWnd, appName, NULL, icon);
474
475 return 0;
476 }
477
478 case FCIDM_SHVIEW_BIGICON:
479 Control_UpdateListViewStyle(panel, LVS_ICON, FCIDM_SHVIEW_BIGICON);
480 return 0;
481
482 case FCIDM_SHVIEW_SMALLICON:
483 Control_UpdateListViewStyle(panel, LVS_SMALLICON, FCIDM_SHVIEW_SMALLICON);
484 return 0;
485
486 case FCIDM_SHVIEW_LISTVIEW:
487 Control_UpdateListViewStyle(panel, LVS_LIST, FCIDM_SHVIEW_LISTVIEW);
488 return 0;
489
490 case FCIDM_SHVIEW_REPORTVIEW:
491 Control_UpdateListViewStyle(panel, LVS_REPORT, FCIDM_SHVIEW_REPORTVIEW);
492 return 0;
493
494 default:
495 /* check if this is an applet */
496 if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
497 (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
498 {
499 Control_StartApplet(hWnd, Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1)));
500 return 0;
501 }
502
503 break;
504 }
505
506 break;
507
508 case WM_NOTIFY:
509 {
510 LPNMHDR nmh = (LPNMHDR) lParam2;
511
512 switch (nmh->idFrom)
513 {
514 case IDC_LISTVIEW:
515 switch (nmh->code)
516 {
517 case NM_RETURN:
518 case NM_DBLCLK:
519 {
520 Control_StartApplet(hWnd, Control_GetCPlItem_From_ListView(panel));
521 return 0;
522 }
523 case LVN_ITEMCHANGED:
524 {
525 CPlItem *item = Control_GetCPlItem_From_ListView(panel);
526
527 /* update the status bar if item is valid */
528 if (item)
529 SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
530 else
531 SetWindowTextW(panel->hWndStatusBar, NULL);
532
533 return 0;
534 }
535 }
536
537 break;
538 }
539
540 break;
541 }
542
543 case WM_MENUSELECT:
544 /* check if this is an applet */
545 if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
546 (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
547 {
548 CPlItem *item = Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1));
549
550 /* update the status bar if item is valid */
551 if (item)
552 SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
553 }
554 else if ((HIWORD(lParam1) == 0xFFFF) && (lParam2 == 0))
555 {
556 /* reset status bar description to that of the selected icon */
557 CPlItem *item = Control_GetCPlItem_From_ListView(panel);
558
559 if (item)
560 SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
561 else
562 SetWindowTextW(panel->hWndStatusBar, NULL);
563
564 return 0;
565 }
566 else
567 SetWindowTextW(panel->hWndStatusBar, NULL);
568
569 return 0;
570
571 case WM_SIZE:
572 {
573 HDWP hdwp;
574 RECT sb;
575
576 hdwp = BeginDeferWindowPos(2);
577
578 if (hdwp == NULL)
579 break;
580
581 GetClientRect(panel->hWndStatusBar, &sb);
582
583 hdwp = DeferWindowPos(hdwp, panel->hWndListView, NULL, 0, 0,
584 LOWORD(lParam2), HIWORD(lParam2) - (sb.bottom - sb.top),
585 SWP_NOZORDER | SWP_NOMOVE);
586
587 if (hdwp == NULL)
588 break;
589
590 hdwp = DeferWindowPos(hdwp, panel->hWndStatusBar, NULL, 0, 0,
591 LOWORD(lParam2), LOWORD(lParam1), SWP_NOZORDER | SWP_NOMOVE);
592
593 if (hdwp != NULL)
594 EndDeferWindowPos(hdwp);
595
596 return 0;
597 }
598 }
599 }
600
601 return DefWindowProcW(hWnd, wMsg, lParam1, lParam2);
602 }
603
604 static void Control_DoInterface(CPanel* panel, HWND hWnd, HINSTANCE hInst)
605 {
606 WNDCLASSEXW wc;
607 MSG msg;
608 WCHAR appName[MAX_STRING_LEN];
609 const WCHAR className[] = {'S','h','e','l','l','_','C','o','n','t','r','o',
610 'l','_','W','n','d','C','l','a','s','s',0};
611
612 LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName, sizeof(appName) / sizeof(appName[0]));
613
614 wc.cbSize = sizeof(wc);
615 wc.style = CS_HREDRAW|CS_VREDRAW;
616 wc.lpfnWndProc = Control_WndProc;
617 wc.cbClsExtra = 0;
618 wc.cbWndExtra = sizeof(CPlApplet*);
619 wc.hInstance = panel->hInst = hInst;
620 wc.hIcon = LoadIconW( shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL) );
621 wc.hCursor = LoadCursorW( 0, (LPWSTR)IDC_ARROW );
622 wc.hbrBackground = GetStockObject(WHITE_BRUSH);
623 wc.lpszMenuName = NULL;
624 wc.lpszClassName = className;
625 wc.hIconSm = LoadImageW( shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL), IMAGE_ICON,
626 GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
627
628 if (!RegisterClassExW(&wc)) return;
629
630 CreateWindowExW(0, wc.lpszClassName, appName,
631 WS_OVERLAPPEDWINDOW | WS_VISIBLE,
632 CW_USEDEFAULT, CW_USEDEFAULT,
633 CW_USEDEFAULT, CW_USEDEFAULT,
634 hWnd, NULL, hInst, panel);
635 if (!panel->hWnd) return;
636
637 while (GetMessageW(&msg, panel->hWnd, 0, 0)) {
638 TranslateMessage(&msg);
639 DispatchMessageW(&msg);
640 }
641 }
642
643 static void Control_RegisterRegistryApplets(HWND hWnd, CPanel *panel, HKEY hkey_root, LPCWSTR szRepPath)
644 {
645 WCHAR name[MAX_PATH];
646 WCHAR value[MAX_PATH];
647 HKEY hkey;
648
649 if (RegOpenKeyW(hkey_root, szRepPath, &hkey) == ERROR_SUCCESS)
650 {
651 int idx = 0;
652
653 for(;; ++idx)
654 {
655 DWORD nameLen = MAX_PATH;
656 DWORD valueLen = MAX_PATH;
657
658 if (RegEnumValueW(hkey, idx, name, &nameLen, NULL, NULL, (LPBYTE)value, &valueLen) != ERROR_SUCCESS)
659 break;
660
661 Control_LoadApplet(hWnd, value, panel);
662 }
663 RegCloseKey(hkey);
664 }
665 }
666
667 static void Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
668 {
669 HANDLE h;
670 WIN32_FIND_DATAW fd;
671 WCHAR buffer[MAX_PATH];
672 static const WCHAR wszAllCpl[] = {'*','.','c','p','l',0};
673 static const WCHAR wszRegPath[] = {'S','O','F','T','W','A','R','E','\\','M','i','c','r','o','s','o','f','t',
674 '\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
675 '\\','C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','C','p','l','s',0};
676 WCHAR *p;
677
678 /* first add .cpl files in the system directory */
679 GetSystemDirectoryW( buffer, MAX_PATH );
680 p = buffer + strlenW(buffer);
681 *p++ = '\\';
682 lstrcpyW(p, wszAllCpl);
683
684 if ((h = FindFirstFileW(buffer, &fd)) != INVALID_HANDLE_VALUE) {
685 do {
686 lstrcpyW(p, fd.cFileName);
687 Control_LoadApplet(hWnd, buffer, panel);
688 } while (FindNextFileW(h, &fd));
689 FindClose(h);
690 }
691
692 /* now check for cpls in the registry */
693 Control_RegisterRegistryApplets(hWnd, panel, HKEY_LOCAL_MACHINE, wszRegPath);
694 Control_RegisterRegistryApplets(hWnd, panel, HKEY_CURRENT_USER, wszRegPath);
695
696 Control_DoInterface(panel, hWnd, hInst);
697 }
698
699 static void Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
700 /* forms to parse:
701 * foo.cpl,@sp,str
702 * foo.cpl,@sp
703 * foo.cpl,,str
704 * foo.cpl @sp
705 * foo.cpl str
706 * "a path\foo.cpl"
707 */
708 {
709 LPWSTR buffer;
710 LPWSTR beg = NULL;
711 LPWSTR end;
712 WCHAR ch;
713 LPWSTR ptr;
714 signed sp = -1;
715 LPWSTR extraPmtsBuf = NULL;
716 LPWSTR extraPmts = NULL;
717 int quoted = 0;
718
719 buffer = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(wszCmd) + 1) * sizeof(*wszCmd));
720 if (!buffer) return;
721
722 end = lstrcpyW(buffer, wszCmd);
723
724 for (;;) {
725 ch = *end;
726 if (ch == '"') quoted = !quoted;
727 if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
728 *end = '\0';
729 if (beg) {
730 if (*beg == '@') {
731 sp = atoiW(beg + 1);
732 } else if (*beg == '\0') {
733 sp = -1;
734 } else {
735 extraPmtsBuf = beg;
736 }
737 }
738 if (ch == '\0') break;
739 beg = end + 1;
740 if (ch == ' ') while (end[1] == ' ') end++;
741 }
742 end++;
743 }
744 while ((ptr = StrChrW(buffer, '"')))
745 memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
746
747 /* now check for any quotes in extraPmtsBuf and remove */
748 if (extraPmtsBuf != NULL)
749 {
750 beg = end = extraPmtsBuf;
751 quoted = 0;
752
753 for (;;) {
754 ch = *end;
755 if (ch == '"') quoted = !quoted;
756 if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
757 *end = '\0';
758 if (beg) {
759 if (*beg != '\0') {
760 extraPmts = beg;
761 }
762 }
763 if (ch == '\0') break;
764 beg = end + 1;
765 if (ch == ' ') while (end[1] == ' ') end++;
766 }
767 end++;
768 }
769
770 while ((ptr = StrChrW(extraPmts, '"')))
771 memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
772
773 if (extraPmts == NULL)
774 extraPmts = extraPmtsBuf;
775 }
776
777 /* Now check if there had been a numerical value in the extra params */
778 if ((extraPmts) && (*extraPmts == '@') && (sp == -1)) {
779 sp = atoiW(extraPmts + 1);
780 }
781
782 TRACE("cmd %s, extra %s, sp %d\n", debugstr_w(buffer), debugstr_w(extraPmts), sp);
783
784 Control_LoadApplet(hWnd, buffer, panel);
785
786 if (panel->first) {
787 CPlApplet* applet = panel->first;
788
789 assert(applet && applet->next == NULL);
790
791 /* we've been given a textual parameter (or none at all) */
792 if (sp == -1) {
793 while ((++sp) != applet->count) {
794 if (applet->info[sp].valid) {
795 TRACE("sp %d, name %s\n", sp, debugstr_w(applet->info[sp].name));
796
797 if (StrCmpIW(extraPmts, applet->info[sp].name) == 0)
798 break;
799 }
800 }
801 }
802
803 if (sp >= applet->count) {
804 WARN("Out of bounds (%u >= %u), setting to 0\n", sp, applet->count);
805 sp = 0;
806 }
807
808 if (applet->info[sp].valid) {
809 if (!applet->proc(applet->hWnd, CPL_STARTWPARMSW, sp, (LPARAM)extraPmts))
810 applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].data);
811 }
812
813 Control_UnloadApplet(applet);
814 }
815
816 HeapFree(GetProcessHeap(), 0, buffer);
817 }
818
819 /*************************************************************************
820 * Control_RunDLLW [SHELL32.@]
821 *
822 */
823 void WINAPI Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
824 {
825 CPanel panel;
826
827 TRACE("(%p, %p, %s, 0x%08x)\n",
828 hWnd, hInst, debugstr_w(cmd), nCmdShow);
829
830 memset(&panel, 0, sizeof(panel));
831
832 if (!cmd || !*cmd) {
833 Control_DoWindow(&panel, hWnd, hInst);
834 } else {
835 Control_DoLaunch(&panel, hWnd, cmd);
836 }
837 }
838
839 /*************************************************************************
840 * Control_RunDLLA [SHELL32.@]
841 *
842 */
843 void WINAPI Control_RunDLLA(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow)
844 {
845 DWORD len = MultiByteToWideChar(CP_ACP, 0, cmd, -1, NULL, 0 );
846 LPWSTR wszCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
847 if (wszCmd && MultiByteToWideChar(CP_ACP, 0, cmd, -1, wszCmd, len ))
848 {
849 Control_RunDLLW(hWnd, hInst, wszCmd, nCmdShow);
850 }
851 HeapFree(GetProcessHeap(), 0, wszCmd);
852 }
853
854 /*************************************************************************
855 * Control_FillCache_RunDLLW [SHELL32.@]
856 *
857 */
858 HRESULT WINAPI Control_FillCache_RunDLLW(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
859 {
860 FIXME("%p %p 0x%08x 0x%08x stub\n", hWnd, hModule, w, x);
861 return 0;
862 }
863
864 /*************************************************************************
865 * Control_FillCache_RunDLLA [SHELL32.@]
866 *
867 */
868 HRESULT WINAPI Control_FillCache_RunDLLA(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
869 {
870 return Control_FillCache_RunDLLW(hWnd, hModule, w, x);
871 }
872
873 /*************************************************************************
874 * CallCPLEntry16 [SHELL32.166]
875 *
876 * called by desk.cpl on "Advanced" with:
877 * hMod("DeskCp16.Dll"), pFunc("CplApplet"), 0, 1, 0xc, 0
878 *
879 */
880 DWORD WINAPI CallCPLEntry16(HMODULE hMod, FARPROC pFunc, DWORD dw3, DWORD dw4, DWORD dw5, DWORD dw6)
881 {
882 FIXME("(%p, %p, %08x, %08x, %08x, %08x): stub.\n", hMod, pFunc, dw3, dw4, dw5, dw6);
883 return 0x0deadbee;
884 }
885
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