xref: /reactos/dll/cpl/desk/desk.c (revision 64daf542) 
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 BackgroundPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
20 INT_PTR CALLBACK ScreenSaverPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
21 INT_PTR CALLBACK AppearancePageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
22 INT_PTR CALLBACK SettingsPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
23 UINT CALLBACK SettingsPageCallbackProc(HWND hwnd, UINT uMsg, LPPROPSHEETPAGE ppsp);
24 
25 HINSTANCE hApplet = 0;
26 HWND hCPLWindow;
27 
28 /* Applets */
29 APPLET Applets[NUM_APPLETS] =
30 {
31     {
32         IDC_DESK_ICON,
33         IDS_CPLNAME,
34         IDS_CPLDESCRIPTION,
35         DisplayApplet
36     }
37 };
38 
39 HMENU
40 LoadPopupMenu(IN HINSTANCE hInstance,
41               IN LPCTSTR lpMenuName)
42 {
43     HMENU hMenu, hSubMenu = NULL;
44 
45     hMenu = LoadMenu(hInstance,
46                      lpMenuName);
47 
48     if (hMenu != NULL)
49     {
50         hSubMenu = GetSubMenu(hMenu,
51                               0);
52         if (hSubMenu != NULL &&
53             !RemoveMenu(hMenu,
54                         0,
55                         MF_BYPOSITION))
56         {
57             hSubMenu = NULL;
58         }
59 
60         DestroyMenu(hMenu);
61     }
62 
63     return hSubMenu;
64 }
65 
66 static BOOL CALLBACK
67 DisplayAppletPropSheetAddPage(HPROPSHEETPAGE hpage, LPARAM lParam)
68 {
69     PROPSHEETHEADER *ppsh = (PROPSHEETHEADER *)lParam;
70     if (ppsh != NULL && ppsh->nPages < MAX_DESK_PAGES)
71     {
72         ppsh->phpage[ppsh->nPages++] = hpage;
73         return TRUE;
74     }
75 
76     return FALSE;
77 }
78 
79 static BOOL
80 InitPropSheetPage(PROPSHEETHEADER *ppsh, WORD idDlg, DLGPROC DlgProc, LPFNPSPCALLBACK pfnCallback)
81 {
82     HPROPSHEETPAGE hPage;
83     PROPSHEETPAGE psp;
84 
85     if (ppsh->nPages < MAX_DESK_PAGES)
86     {
87         ZeroMemory(&psp, sizeof(psp));
88         psp.dwSize = sizeof(psp);
89         psp.dwFlags = PSP_DEFAULT;
90         if (pfnCallback != NULL)
91             psp.dwFlags |= PSP_USECALLBACK;
92         psp.hInstance = hApplet;
93         psp.pszTemplate = MAKEINTRESOURCE(idDlg);
94         psp.pfnDlgProc = DlgProc;
95         psp.pfnCallback = pfnCallback;
96 
97         hPage = CreatePropertySheetPage(&psp);
98         if (hPage != NULL)
99         {
100             return DisplayAppletPropSheetAddPage(hPage, (LPARAM)ppsh);
101         }
102     }
103 
104     return FALSE;
105 }
106 
107 static const struct
108 {
109     WORD idDlg;
110     DLGPROC DlgProc;
111     LPFNPSPCALLBACK Callback;
112     LPWSTR Name;
113 } PropPages[] =
114 {
115     { IDD_BACKGROUND, BackgroundPageProc, NULL, L"Desktop" },
116     { IDD_SCREENSAVER, ScreenSaverPageProc, NULL, L"Screen Saver" },
117     { IDD_APPEARANCE, AppearancePageProc, NULL, L"Appearance" },
118     { IDD_SETTINGS, SettingsPageProc, SettingsPageCallbackProc, L"Settings" },
119 };
120 
121 /* Display Applet */
122 static LONG APIENTRY
123 DisplayApplet(HWND hwnd, UINT uMsg, LPARAM wParam, LPARAM lParam)
124 {
125     HPROPSHEETPAGE hpsp[MAX_DESK_PAGES];
126     PROPSHEETHEADER psh;
127     HPSXA hpsxa = NULL;
128     TCHAR Caption[1024];
129     UINT i;
130     LPWSTR *argv = NULL;
131     LPCWSTR pwszSelectedTab = NULL;
132     LPCWSTR pwszFile = NULL;
133     LPCWSTR pwszAction = NULL;
134 
135     UNREFERENCED_PARAMETER(wParam);
136 
137     hCPLWindow = hwnd;
138 
139     if (uMsg == CPL_STARTWPARMSW && lParam)
140     {
141         int argc;
142         int i;
143 
144 #if 0
145         argv = CommandLineToArgvW((LPCWSTR)lParam, &argc);
146 #else
147         argv = CommandLineToArgvW(GetCommandLineW(), &argc);
148 #endif
149 
150         if (argv && argc)
151         {
152             for (i = 0; i<argc; i++)
153             {
154 #if 0
155                 if (argv[i][0] == L'@')
156                     pwszSelectedTab = &argv[i][1];
157 #else
158                 if (wcsncmp(argv[i], L"desk,@", 6) == 0)
159                     pwszSelectedTab = &argv[i][6];
160 #endif
161                 else if (wcsncmp(argv[i], L"/Action:", 8) == 0)
162                     pwszAction = &argv[i][8];
163                 else if (wcsncmp(argv[i], L"/file:", 6) == 0)
164                     pwszFile = &argv[i][6];
165             }
166         }
167     }
168 
169     if(pwszAction && wcsncmp(pwszAction, L"ActivateMSTheme", 15) == 0)
170     {
171         ActivateThemeFile(pwszFile);
172         goto cleanup;
173     }
174 
175     g_GlobalData.pwszFile = pwszFile;
176     g_GlobalData.pwszAction = pwszAction;
177     g_GlobalData.desktop_color = GetSysColor(COLOR_DESKTOP);
178 
179     LoadString(hApplet, IDS_CPLNAME, Caption, sizeof(Caption) / sizeof(TCHAR));
180 
181     ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
182     psh.dwSize = sizeof(PROPSHEETHEADER);
183     psh.dwFlags = PSH_USECALLBACK | PSH_PROPTITLE;
184     psh.hwndParent = hCPLWindow;
185     psh.hInstance = hApplet;
186     psh.hIcon = LoadIcon(hApplet, MAKEINTRESOURCE(IDC_DESK_ICON));
187     psh.pszCaption = Caption;
188     psh.nPages = 0;
189     psh.nStartPage = 0;
190     psh.phpage = hpsp;
191 
192     /* Allow shell extensions to replace the background page */
193     hpsxa = SHCreatePropSheetExtArray(HKEY_LOCAL_MACHINE, REGSTR_PATH_CONTROLSFOLDER TEXT("\\Desk"), MAX_DESK_PAGES - psh.nPages);
194 
195     for (i = 0; i != sizeof(PropPages) / sizeof(PropPages[0]); i++)
196     {
197         if (pwszSelectedTab && wcsicmp(pwszSelectedTab, PropPages[i].Name) == 0)
198             psh.nStartPage = i;
199 
200         /* Override the background page if requested by a shell extension */
201         if (PropPages[i].idDlg == IDD_BACKGROUND && hpsxa != NULL &&
202             SHReplaceFromPropSheetExtArray(hpsxa, CPLPAGE_DISPLAY_BACKGROUND, DisplayAppletPropSheetAddPage, (LPARAM)&psh) != 0)
203         {
204             /* The shell extension added one or more pages to replace the background page.
205                Don't create the built-in page anymore! */
206             continue;
207         }
208 
209         InitPropSheetPage(&psh, PropPages[i].idDlg, PropPages[i].DlgProc, PropPages[i].Callback);
210     }
211 
212     /* NOTE: Don't call SHAddFromPropSheetExtArray here because this applet only allows
213              replacing the background page but not extending the applet by more pages */
214 
215     PropertySheet(&psh);
216 
217 cleanup:
218     if (hpsxa != NULL)
219         SHDestroyPropSheetExtArray(hpsxa);
220 
221     if (argv)
222         LocalFree(argv);
223 
224     return TRUE;
225 }
226 
227 
228 /* Control Panel Callback */
229 LONG CALLBACK
230 CPlApplet(HWND hwndCPl, UINT uMsg, LPARAM lParam1, LPARAM lParam2)
231 {
232     int i = (int)lParam1;
233 
234     switch (uMsg)
235     {
236         case CPL_INIT:
237             return TRUE;
238 
239         case CPL_GETCOUNT:
240             return NUM_APPLETS;
241 
242         case CPL_INQUIRE:
243             {
244                 CPLINFO *CPlInfo = (CPLINFO*)lParam2;
245                 CPlInfo->lData = 0;
246                 CPlInfo->idIcon = Applets[i].idIcon;
247                 CPlInfo->idName = Applets[i].idName;
248                 CPlInfo->idInfo = Applets[i].idDescription;
249             }
250             break;
251 
252         case CPL_DBLCLK:
253             Applets[i].AppletProc(hwndCPl, uMsg, lParam1, lParam2);
254             break;
255         case CPL_STARTWPARMSW:
256             return Applets[i].AppletProc(hwndCPl, uMsg, lParam1, lParam2);
257     }
258 
259     return FALSE;
260 }
261 
262 void
263 WINAPI
264 InstallScreenSaverW(
265     IN HWND hWindow,
266     IN HANDLE hInstance,
267     IN LPCWSTR pszFile,
268     IN UINT nCmdShow)
269 {
270     WCHAR pszSystemDir[MAX_PATH];
271     WCHAR pszDrive[3];
272     WCHAR pszPath[MAX_PATH];
273     WCHAR pszFilename[MAX_PATH];
274     WCHAR pszExt[MAX_PATH];
275     LPWSTR pszOutName;
276     UINT uCompressionType=FILE_COMPRESSION_NONE;
277     DWORD dwSourceSize;
278     DWORD dwTargetSize;
279     DWORD rc;
280 
281     if (!pszFile)
282     {
283         DPRINT("InstallScreenSaver() null file\n");
284         SetLastError(ERROR_INVALID_PARAMETER);
285         return;
286     }
287     DPRINT("InstallScreenSaver() Installing screensaver %ls\n", pszFile);
288 
289     rc = SetupGetFileCompressionInfoW(pszFile, &pszOutName, &dwSourceSize, &dwTargetSize, &uCompressionType);
290     if (ERROR_SUCCESS != rc)
291     {
292         DPRINT("InstallScreenSaver() SetupGetFileCompressionInfo failed with error 0x%lx\n", rc);
293         SetLastError(rc);
294         return;
295     }
296     if (!GetSystemDirectoryW((LPWSTR)pszSystemDir, sizeof(pszSystemDir)/sizeof(WCHAR)))
297     {
298         MyFree(pszOutName);
299         DPRINT("InstallScreenSaver() GetSystemDirectory failed with error 0x%lx\n", GetLastError());
300         return;
301     }
302     _wsplitpath(pszOutName, pszDrive, pszPath, pszFilename, pszExt);
303     MyFree(pszOutName);
304     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), L"\\");
305     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), pszFilename);
306     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), pszExt);
307     rc = SetupDecompressOrCopyFileW(pszFile, pszSystemDir, &uCompressionType);
308     DPRINT("InstallScreenSaver() Copying to %ls, compression type %d return 0x%lx\n", pszFile, uCompressionType, rc);
309 }
310 
311 void
312 WINAPI
313 InstallScreenSaverA(
314     IN HWND hWindow,
315     IN HANDLE hInstance,
316     IN LPCSTR pszFile,
317     IN UINT nCmdShow)
318 {
319     LPWSTR lpwString;
320 
321     if (!pszFile)
322     {
323         DPRINT("InstallScreenSaver() null file\n");
324         SetLastError(ERROR_INVALID_PARAMETER);
325         return;
326     }
327     DPRINT("InstallScreenSaver() Install from file %s\n", pszFile);
328     lpwString = pSetupMultiByteToUnicode(pszFile, 0);
329     if (!lpwString)
330     {
331         DPRINT("InstallScreenSaver() not enough memory to convert string to unicode\n");
332         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
333         return;
334     }
335     InstallScreenSaverW(hWindow, hInstance, lpwString, nCmdShow);
336     MyFree(lpwString);
337 }
338 
339 BOOL WINAPI
340 DllMain(HINSTANCE hInstDLL, DWORD dwReason, LPVOID lpvReserved)
341 {
342     UNREFERENCED_PARAMETER(lpvReserved);
343 
344     switch (dwReason)
345     {
346         case DLL_PROCESS_ATTACH:
347             CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
348             RegisterPreviewControl(hInstDLL);
349 //        case DLL_THREAD_ATTACH:
350             hApplet = hInstDLL;
351             break;
352 
353         case DLL_PROCESS_DETACH:
354             UnregisterPreviewControl(hInstDLL);
355             CoUninitialize();
356             break;
357     }
358 
359     return TRUE;
360 }
361