xref: /reactos/dll/cpl/desk/desk.c (revision 3435c3b5) 
1 /*
2  * COPYRIGHT:       See COPYING in the top level directory
3  * PROJECT:         ReactOS Display Control Panel
4  * FILE:            dll/cpl/desk/desk.c
5  * PURPOSE:         ReactOS Display Control Panel
6  *
7  * PROGRAMMERS:     Trevor McCort (lycan359@gmail.com)
8  */
9 
10 #include "desk.h"
11 #include <shellapi.h>
12 #include <cplext.h>
13 #include <debug.h>
14 
15 #define NUM_APPLETS    (1)
16 
17 static LONG APIENTRY DisplayApplet(HWND hwnd, UINT uMsg, LPARAM wParam, LPARAM lParam);
18 
19 INT_PTR CALLBACK ThemesPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
20 INT_PTR CALLBACK BackgroundPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
21 INT_PTR CALLBACK ScreenSaverPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
22 INT_PTR CALLBACK AppearancePageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
23 INT_PTR CALLBACK SettingsPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
24 UINT CALLBACK SettingsPageCallbackProc(HWND hwnd, UINT uMsg, LPPROPSHEETPAGE ppsp);
25 
26 HINSTANCE hApplet = 0;
27 HWND hCPLWindow;
28 
29 /* Applets */
30 APPLET Applets[NUM_APPLETS] =
31 {
32     {
33         IDC_DESK_ICON,
34         IDS_CPLNAME,
35         IDS_CPLDESCRIPTION,
36         DisplayApplet
37     }
38 };
39 
40 HMENU
41 LoadPopupMenu(IN HINSTANCE hInstance,
42               IN LPCTSTR lpMenuName)
43 {
44     HMENU hMenu, hSubMenu = NULL;
45 
46     hMenu = LoadMenu(hInstance,
47                      lpMenuName);
48 
49     if (hMenu != NULL)
50     {
51         hSubMenu = GetSubMenu(hMenu,
52                               0);
53         if (hSubMenu != NULL &&
54             !RemoveMenu(hMenu,
55                         0,
56                         MF_BYPOSITION))
57         {
58             hSubMenu = NULL;
59         }
60 
61         DestroyMenu(hMenu);
62     }
63 
64     return hSubMenu;
65 }
66 
67 static BOOL CALLBACK
68 DisplayAppletPropSheetAddPage(HPROPSHEETPAGE hpage, LPARAM lParam)
69 {
70     PROPSHEETHEADER *ppsh = (PROPSHEETHEADER *)lParam;
71     if (ppsh != NULL && ppsh->nPages < MAX_DESK_PAGES)
72     {
73         ppsh->phpage[ppsh->nPages++] = hpage;
74         return TRUE;
75     }
76 
77     return FALSE;
78 }
79 
80 static BOOL
81 InitPropSheetPage(PROPSHEETHEADER *ppsh, WORD idDlg, DLGPROC DlgProc, LPFNPSPCALLBACK pfnCallback)
82 {
83     HPROPSHEETPAGE hPage;
84     PROPSHEETPAGE psp;
85 
86     if (ppsh->nPages < MAX_DESK_PAGES)
87     {
88         ZeroMemory(&psp, sizeof(psp));
89         psp.dwSize = sizeof(psp);
90         psp.dwFlags = PSP_DEFAULT;
91         if (pfnCallback != NULL)
92             psp.dwFlags |= PSP_USECALLBACK;
93         psp.hInstance = hApplet;
94         psp.pszTemplate = MAKEINTRESOURCE(idDlg);
95         psp.pfnDlgProc = DlgProc;
96         psp.pfnCallback = pfnCallback;
97 
98         hPage = CreatePropertySheetPage(&psp);
99         if (hPage != NULL)
100         {
101             return DisplayAppletPropSheetAddPage(hPage, (LPARAM)ppsh);
102         }
103     }
104 
105     return FALSE;
106 }
107 
108 static const struct
109 {
110     WORD idDlg;
111     DLGPROC DlgProc;
112     LPFNPSPCALLBACK Callback;
113     LPWSTR Name;
114 } PropPages[] =
115 {
116     /* { IDD_THEMES, ThemesPageProc, NULL, L"Themes" }, */ /* TODO: */
117     { IDD_BACKGROUND, BackgroundPageProc, NULL, L"Desktop" },
118     { IDD_SCREENSAVER, ScreenSaverPageProc, NULL, L"Screen Saver" },
119     { IDD_APPEARANCE, AppearancePageProc, NULL, L"Appearance" },
120     { IDD_SETTINGS, SettingsPageProc, SettingsPageCallbackProc, L"Settings" },
121 };
122 
123 static int CALLBACK
124 PropSheetProc(HWND hwndDlg, UINT uMsg, LPARAM lParam)
125 {
126     // NOTE: This callback is needed to set large icon correctly.
127     HICON hIcon;
128     switch (uMsg)
129     {
130         case PSCB_INITIALIZED:
131         {
132             hIcon = LoadIconW(hApplet, MAKEINTRESOURCEW(IDC_DESK_ICON));
133             SendMessageW(hwndDlg, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
134             break;
135         }
136     }
137     return 0;
138 }
139 
140 /* Display Applet */
141 static LONG APIENTRY
142 DisplayApplet(HWND hwnd, UINT uMsg, LPARAM wParam, LPARAM lParam)
143 {
144     HPROPSHEETPAGE hpsp[MAX_DESK_PAGES];
145     PROPSHEETHEADER psh;
146     HPSXA hpsxa = NULL;
147     TCHAR Caption[1024];
148     UINT i;
149     LPWSTR *argv = NULL;
150     LPCWSTR pwszSelectedTab = NULL;
151     LPCWSTR pwszFile = NULL;
152     LPCWSTR pwszAction = NULL;
153 
154     UNREFERENCED_PARAMETER(wParam);
155 
156     hCPLWindow = hwnd;
157 
158     if (uMsg == CPL_STARTWPARMSW && lParam)
159     {
160         int argc;
161         int i;
162 
163 #if 0
164         argv = CommandLineToArgvW((LPCWSTR)lParam, &argc);
165 #else
166         argv = CommandLineToArgvW(GetCommandLineW(), &argc);
167 #endif
168 
169         if (argv && argc)
170         {
171             for (i = 0; i<argc; i++)
172             {
173 #if 0
174                 if (argv[i][0] == L'@')
175                     pwszSelectedTab = &argv[i][1];
176 #else
177                 if (wcsncmp(argv[i], L"desk,@", 6) == 0)
178                     pwszSelectedTab = &argv[i][6];
179 #endif
180                 else if (wcsncmp(argv[i], L"/Action:", 8) == 0)
181                     pwszAction = &argv[i][8];
182                 else if (wcsncmp(argv[i], L"/file:", 6) == 0)
183                     pwszFile = &argv[i][6];
184             }
185         }
186     }
187 
188     if(pwszAction && wcsncmp(pwszAction, L"ActivateMSTheme", 15) == 0)
189     {
190         ActivateThemeFile(pwszFile);
191         goto cleanup;
192     }
193 
194     g_GlobalData.pwszFile = pwszFile;
195     g_GlobalData.pwszAction = pwszAction;
196     g_GlobalData.desktop_color = GetSysColor(COLOR_DESKTOP);
197 
198     LoadString(hApplet, IDS_CPLNAME, Caption, sizeof(Caption) / sizeof(TCHAR));
199 
200     ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
201     psh.dwSize = sizeof(PROPSHEETHEADER);
202     psh.dwFlags = PSH_USECALLBACK | PSH_PROPTITLE | PSH_USEICONID;
203     psh.hwndParent = hCPLWindow;
204     psh.hInstance = hApplet;
205     psh.pszIcon = MAKEINTRESOURCEW(IDC_DESK_ICON);
206     psh.pszCaption = Caption;
207     psh.nPages = 0;
208     psh.nStartPage = 0;
209     psh.phpage = hpsp;
210     psh.pfnCallback = PropSheetProc;
211 
212     /* Allow shell extensions to replace the background page */
213     hpsxa = SHCreatePropSheetExtArray(HKEY_LOCAL_MACHINE, REGSTR_PATH_CONTROLSFOLDER TEXT("\\Desk"), MAX_DESK_PAGES - psh.nPages);
214 
215     for (i = 0; i != sizeof(PropPages) / sizeof(PropPages[0]); i++)
216     {
217         if (pwszSelectedTab && wcsicmp(pwszSelectedTab, PropPages[i].Name) == 0)
218             psh.nStartPage = i;
219 
220         /* Override the background page if requested by a shell extension */
221         if (PropPages[i].idDlg == IDD_BACKGROUND && hpsxa != NULL &&
222             SHReplaceFromPropSheetExtArray(hpsxa, CPLPAGE_DISPLAY_BACKGROUND, DisplayAppletPropSheetAddPage, (LPARAM)&psh) != 0)
223         {
224             /* The shell extension added one or more pages to replace the background page.
225                Don't create the built-in page anymore! */
226             continue;
227         }
228 
229         InitPropSheetPage(&psh, PropPages[i].idDlg, PropPages[i].DlgProc, PropPages[i].Callback);
230     }
231 
232     /* NOTE: Don't call SHAddFromPropSheetExtArray here because this applet only allows
233              replacing the background page but not extending the applet by more pages */
234 
235     PropertySheet(&psh);
236 
237 cleanup:
238     if (hpsxa != NULL)
239         SHDestroyPropSheetExtArray(hpsxa);
240 
241     if (argv)
242         LocalFree(argv);
243 
244     return TRUE;
245 }
246 
247 
248 /* Control Panel Callback */
249 LONG CALLBACK
250 CPlApplet(HWND hwndCPl, UINT uMsg, LPARAM lParam1, LPARAM lParam2)
251 {
252     int i = (int)lParam1;
253 
254     switch (uMsg)
255     {
256         case CPL_INIT:
257             return TRUE;
258 
259         case CPL_GETCOUNT:
260             return NUM_APPLETS;
261 
262         case CPL_INQUIRE:
263             {
264                 CPLINFO *CPlInfo = (CPLINFO*)lParam2;
265                 CPlInfo->lData = 0;
266                 CPlInfo->idIcon = Applets[i].idIcon;
267                 CPlInfo->idName = Applets[i].idName;
268                 CPlInfo->idInfo = Applets[i].idDescription;
269             }
270             break;
271 
272         case CPL_DBLCLK:
273             Applets[i].AppletProc(hwndCPl, uMsg, lParam1, lParam2);
274             break;
275         case CPL_STARTWPARMSW:
276             return Applets[i].AppletProc(hwndCPl, uMsg, lParam1, lParam2);
277     }
278 
279     return FALSE;
280 }
281 
282 void
283 WINAPI
284 InstallScreenSaverW(
285     IN HWND hWindow,
286     IN HANDLE hInstance,
287     IN LPCWSTR pszFile,
288     IN UINT nCmdShow)
289 {
290     WCHAR pszSystemDir[MAX_PATH];
291     WCHAR pszDrive[3];
292     WCHAR pszPath[MAX_PATH];
293     WCHAR pszFilename[MAX_PATH];
294     WCHAR pszExt[MAX_PATH];
295     LPWSTR pszOutName;
296     UINT uCompressionType=FILE_COMPRESSION_NONE;
297     DWORD dwSourceSize;
298     DWORD dwTargetSize;
299     DWORD rc;
300 
301     if (!pszFile)
302     {
303         DPRINT("InstallScreenSaver() null file\n");
304         SetLastError(ERROR_INVALID_PARAMETER);
305         return;
306     }
307     DPRINT("InstallScreenSaver() Installing screensaver %ls\n", pszFile);
308 
309     rc = SetupGetFileCompressionInfoW(pszFile, &pszOutName, &dwSourceSize, &dwTargetSize, &uCompressionType);
310     if (ERROR_SUCCESS != rc)
311     {
312         DPRINT("InstallScreenSaver() SetupGetFileCompressionInfo failed with error 0x%lx\n", rc);
313         SetLastError(rc);
314         return;
315     }
316     if (!GetSystemDirectoryW((LPWSTR)pszSystemDir, sizeof(pszSystemDir)/sizeof(WCHAR)))
317     {
318         MyFree(pszOutName);
319         DPRINT("InstallScreenSaver() GetSystemDirectory failed with error 0x%lx\n", GetLastError());
320         return;
321     }
322     _wsplitpath(pszOutName, pszDrive, pszPath, pszFilename, pszExt);
323     MyFree(pszOutName);
324     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), L"\\");
325     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), pszFilename);
326     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), pszExt);
327     rc = SetupDecompressOrCopyFileW(pszFile, pszSystemDir, &uCompressionType);
328     DPRINT("InstallScreenSaver() Copying to %ls, compression type %d return 0x%lx\n", pszFile, uCompressionType, rc);
329 }
330 
331 void
332 WINAPI
333 InstallScreenSaverA(
334     IN HWND hWindow,
335     IN HANDLE hInstance,
336     IN LPCSTR pszFile,
337     IN UINT nCmdShow)
338 {
339     LPWSTR lpwString;
340 
341     if (!pszFile)
342     {
343         DPRINT("InstallScreenSaver() null file\n");
344         SetLastError(ERROR_INVALID_PARAMETER);
345         return;
346     }
347     DPRINT("InstallScreenSaver() Install from file %s\n", pszFile);
348     lpwString = pSetupMultiByteToUnicode(pszFile, 0);
349     if (!lpwString)
350     {
351         DPRINT("InstallScreenSaver() not enough memory to convert string to unicode\n");
352         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
353         return;
354     }
355     InstallScreenSaverW(hWindow, hInstance, lpwString, nCmdShow);
356     MyFree(lpwString);
357 }
358 
359 BOOL WINAPI
360 DllMain(HINSTANCE hInstDLL, DWORD dwReason, LPVOID lpvReserved)
361 {
362     UNREFERENCED_PARAMETER(lpvReserved);
363 
364     switch (dwReason)
365     {
366         case DLL_PROCESS_ATTACH:
367             CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
368             RegisterPreviewControl(hInstDLL);
369 //        case DLL_THREAD_ATTACH:
370             hApplet = hInstDLL;
371             break;
372 
373         case DLL_PROCESS_DETACH:
374             UnregisterPreviewControl(hInstDLL);
375             CoUninitialize();
376             break;
377     }
378 
379     return TRUE;
380 }
381