xref: /reactos/dll/cpl/desk/desk.c (revision 177ae91b) 
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     INT nPage = 0;
154 
155     UNREFERENCED_PARAMETER(wParam);
156 
157     hCPLWindow = hwnd;
158 
159     if (uMsg == CPL_STARTWPARMSW && lParam)
160     {
161         int argc;
162         int i;
163 
164         nPage = _wtoi((PWSTR)lParam);
165 
166 #if 0
167         argv = CommandLineToArgvW((LPCWSTR)lParam, &argc);
168 #else
169         argv = CommandLineToArgvW(GetCommandLineW(), &argc);
170 #endif
171 
172         if (argv && argc)
173         {
174             for (i = 0; i<argc; i++)
175             {
176 #if 0
177                 if (argv[i][0] == L'@')
178                     pwszSelectedTab = &argv[i][1];
179 #else
180                 if (wcsncmp(argv[i], L"desk,@", 6) == 0)
181                     pwszSelectedTab = &argv[i][6];
182 #endif
183                 else if (wcsncmp(argv[i], L"/Action:", 8) == 0)
184                     pwszAction = &argv[i][8];
185                 else if (wcsncmp(argv[i], L"/file:", 6) == 0)
186                     pwszFile = &argv[i][6];
187             }
188         }
189     }
190 
191     if(pwszAction && wcsncmp(pwszAction, L"ActivateMSTheme", 15) == 0)
192     {
193         ActivateThemeFile(pwszFile);
194         goto cleanup;
195     }
196 
197     g_GlobalData.pwszFile = pwszFile;
198     g_GlobalData.pwszAction = pwszAction;
199     g_GlobalData.desktop_color = GetSysColor(COLOR_DESKTOP);
200 
201     LoadString(hApplet, IDS_CPLNAME, Caption, sizeof(Caption) / sizeof(TCHAR));
202 
203     ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
204     psh.dwSize = sizeof(PROPSHEETHEADER);
205     psh.dwFlags = PSH_USECALLBACK | PSH_PROPTITLE | PSH_USEICONID;
206     psh.hwndParent = hCPLWindow;
207     psh.hInstance = hApplet;
208     psh.pszIcon = MAKEINTRESOURCEW(IDC_DESK_ICON);
209     psh.pszCaption = Caption;
210     psh.nPages = 0;
211     psh.nStartPage = 0;
212     psh.phpage = hpsp;
213     psh.pfnCallback = PropSheetProc;
214 
215     /* Allow shell extensions to replace the background page */
216     hpsxa = SHCreatePropSheetExtArray(HKEY_LOCAL_MACHINE, REGSTR_PATH_CONTROLSFOLDER TEXT("\\Desk"), MAX_DESK_PAGES - psh.nPages);
217 
218     for (i = 0; i != sizeof(PropPages) / sizeof(PropPages[0]); i++)
219     {
220         if (pwszSelectedTab && wcsicmp(pwszSelectedTab, PropPages[i].Name) == 0)
221             psh.nStartPage = i;
222 
223         /* Override the background page if requested by a shell extension */
224         if (PropPages[i].idDlg == IDD_BACKGROUND && hpsxa != NULL &&
225             SHReplaceFromPropSheetExtArray(hpsxa, CPLPAGE_DISPLAY_BACKGROUND, DisplayAppletPropSheetAddPage, (LPARAM)&psh) != 0)
226         {
227             /* The shell extension added one or more pages to replace the background page.
228                Don't create the built-in page anymore! */
229             continue;
230         }
231 
232         InitPropSheetPage(&psh, PropPages[i].idDlg, PropPages[i].DlgProc, PropPages[i].Callback);
233     }
234 
235     /* NOTE: Don't call SHAddFromPropSheetExtArray here because this applet only allows
236              replacing the background page but not extending the applet by more pages */
237 
238     if (nPage != 0 && psh.nStartPage == 0)
239         psh.nStartPage = nPage;
240 
241     PropertySheet(&psh);
242 
243 cleanup:
244     if (hpsxa != NULL)
245         SHDestroyPropSheetExtArray(hpsxa);
246 
247     if (argv)
248         LocalFree(argv);
249 
250     return TRUE;
251 }
252 
253 
254 /* Control Panel Callback */
255 LONG CALLBACK
256 CPlApplet(HWND hwndCPl, UINT uMsg, LPARAM lParam1, LPARAM lParam2)
257 {
258     int i = (int)lParam1;
259 
260     switch (uMsg)
261     {
262         case CPL_INIT:
263             return TRUE;
264 
265         case CPL_GETCOUNT:
266             return NUM_APPLETS;
267 
268         case CPL_INQUIRE:
269             {
270                 CPLINFO *CPlInfo = (CPLINFO*)lParam2;
271                 CPlInfo->lData = 0;
272                 CPlInfo->idIcon = Applets[i].idIcon;
273                 CPlInfo->idName = Applets[i].idName;
274                 CPlInfo->idInfo = Applets[i].idDescription;
275             }
276             break;
277 
278         case CPL_DBLCLK:
279             Applets[i].AppletProc(hwndCPl, uMsg, lParam1, lParam2);
280             break;
281 
282         case CPL_STARTWPARMSW:
283             return Applets[i].AppletProc(hwndCPl, uMsg, lParam1, lParam2);
284     }
285 
286     return FALSE;
287 }
288 
289 void
290 WINAPI
291 InstallScreenSaverW(
292     IN HWND hWindow,
293     IN HANDLE hInstance,
294     IN LPCWSTR pszFile,
295     IN UINT nCmdShow)
296 {
297     WCHAR pszSystemDir[MAX_PATH];
298     WCHAR pszDrive[3];
299     WCHAR pszPath[MAX_PATH];
300     WCHAR pszFilename[MAX_PATH];
301     WCHAR pszExt[MAX_PATH];
302     LPWSTR pszOutName;
303     UINT uCompressionType=FILE_COMPRESSION_NONE;
304     DWORD dwSourceSize;
305     DWORD dwTargetSize;
306     DWORD rc;
307 
308     if (!pszFile)
309     {
310         DPRINT("InstallScreenSaver() null file\n");
311         SetLastError(ERROR_INVALID_PARAMETER);
312         return;
313     }
314     DPRINT("InstallScreenSaver() Installing screensaver %ls\n", pszFile);
315 
316     rc = SetupGetFileCompressionInfoW(pszFile, &pszOutName, &dwSourceSize, &dwTargetSize, &uCompressionType);
317     if (ERROR_SUCCESS != rc)
318     {
319         DPRINT("InstallScreenSaver() SetupGetFileCompressionInfo failed with error 0x%lx\n", rc);
320         SetLastError(rc);
321         return;
322     }
323     if (!GetSystemDirectoryW((LPWSTR)pszSystemDir, sizeof(pszSystemDir)/sizeof(WCHAR)))
324     {
325         MyFree(pszOutName);
326         DPRINT("InstallScreenSaver() GetSystemDirectory failed with error 0x%lx\n", GetLastError());
327         return;
328     }
329     _wsplitpath(pszOutName, pszDrive, pszPath, pszFilename, pszExt);
330     MyFree(pszOutName);
331     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), L"\\");
332     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), pszFilename);
333     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), pszExt);
334     rc = SetupDecompressOrCopyFileW(pszFile, pszSystemDir, &uCompressionType);
335     DPRINT("InstallScreenSaver() Copying to %ls, compression type %d return 0x%lx\n", pszFile, uCompressionType, rc);
336 }
337 
338 void
339 WINAPI
340 InstallScreenSaverA(
341     IN HWND hWindow,
342     IN HANDLE hInstance,
343     IN LPCSTR pszFile,
344     IN UINT nCmdShow)
345 {
346     LPWSTR lpwString;
347 
348     if (!pszFile)
349     {
350         DPRINT("InstallScreenSaver() null file\n");
351         SetLastError(ERROR_INVALID_PARAMETER);
352         return;
353     }
354     DPRINT("InstallScreenSaver() Install from file %s\n", pszFile);
355     lpwString = pSetupMultiByteToUnicode(pszFile, 0);
356     if (!lpwString)
357     {
358         DPRINT("InstallScreenSaver() not enough memory to convert string to unicode\n");
359         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
360         return;
361     }
362     InstallScreenSaverW(hWindow, hInstance, lpwString, nCmdShow);
363     MyFree(lpwString);
364 }
365 
366 BOOL WINAPI
367 DllMain(HINSTANCE hInstDLL, DWORD dwReason, LPVOID lpvReserved)
368 {
369     UNREFERENCED_PARAMETER(lpvReserved);
370 
371     switch (dwReason)
372     {
373         case DLL_PROCESS_ATTACH:
374             CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
375             RegisterPreviewControl(hInstDLL);
376 //        case DLL_THREAD_ATTACH:
377             hApplet = hInstDLL;
378             break;
379 
380         case DLL_PROCESS_DETACH:
381             UnregisterPreviewControl(hInstDLL);
382             CoUninitialize();
383             break;
384     }
385 
386     return TRUE;
387 }
388