reactos/dll/cpl/desk/desk.c

   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 PropSheetAddPage(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 PropSheetAddPage(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;
 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         LPCWSTR pszCommandLine = (LPCWSTR)lParam;
 144
 145         argv = CommandLineToArgvW(pszCommandLine, &argc);
 146
 147         if (argv && argc)
 148         {
 149             for (i = 0; i<argc; i++)
 150             {
 151                 if (argv[i][0] == L'@')
 152                     pwszSelectedTab = &argv[i][1];
 153                 else if (wcsncmp(argv[i], L"/Action:", 8) == 0)
 154                     pwszAction = &argv[i][8];
 155                 else if (wcsncmp(argv[i], L"/file:", 6) == 0)
 156                     pwszFile = &argv[i][6];
 157             }
 158         }
 159
 160         /* HACK: shell32 doesn't give the correct params to CPL_STARTWPARMSW so we need to ... improvise */
 161         if (wcsncmp(pszCommandLine, L"/file:", 6) == 0)
 162         {
 163             LPCWSTR pwszType = wcsrchr(pszCommandLine, L'.');
 164             if (pwszType && wcsicmp(pwszType, L".msstyles") == 0)
 165             {
 166                 pwszFile = &pszCommandLine[6];
 167                 pwszSelectedTab = L"Appearance";
 168                 pwszAction = L"OpenMSTheme";
 169             }
 170         }
 171     }
 172
 173     g_GlobalData.pwszFile = pwszFile;
 174     g_GlobalData.pwszAction = pwszAction;
 175     g_GlobalData.desktop_color = GetSysColor(COLOR_DESKTOP);
 176
 177     LoadString(hApplet, IDS_CPLNAME, Caption, sizeof(Caption) / sizeof(TCHAR));
 178
 179     ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
 180     psh.dwSize = sizeof(PROPSHEETHEADER);
 181     psh.dwFlags = PSH_USECALLBACK | PSH_PROPTITLE;
 182     psh.hwndParent = hCPLWindow;
 183     psh.hInstance = hApplet;
 184     psh.hIcon = LoadIcon(hApplet, MAKEINTRESOURCE(IDC_DESK_ICON));
 185     psh.pszCaption = Caption;
 186     psh.nPages = 0;
 187     psh.nStartPage = 0;
 188     psh.phpage = hpsp;
 189
 190     /* Allow shell extensions to replace the background page */
 191     hpsxa = SHCreatePropSheetExtArray(HKEY_LOCAL_MACHINE, REGSTR_PATH_CONTROLSFOLDER TEXT("\\Desk"), MAX_DESK_PAGES - psh.nPages);
 192
 193     for (i = 0; i != sizeof(PropPages) / sizeof(PropPages[0]); i++)
 194     {
 195         if (pwszSelectedTab && wcsicmp(pwszSelectedTab, PropPages[i].Name) == 0)
 196             psh.nStartPage = i;
 197
 198         /* Override the background page if requested by a shell extension */
 199         if (PropPages[i].idDlg == IDD_BACKGROUND && hpsxa != NULL &&
 200             SHReplaceFromPropSheetExtArray(hpsxa, CPLPAGE_DISPLAY_BACKGROUND, PropSheetAddPage, (LPARAM)&psh) != 0)
 201         {
 202             /* The shell extension added one or more pages to replace the background page.
 203                Don't create the built-in page anymore! */
 204             continue;
 205         }
 206
 207         InitPropSheetPage(&psh, PropPages[i].idDlg, PropPages[i].DlgProc, PropPages[i].Callback);
 208     }
 209
 210     /* NOTE: Don't call SHAddFromPropSheetExtArray here because this applet only allows
 211              replacing the background page but not extending the applet by more pages */
 212
 213     PropertySheet(&psh);
 214
 215     if (hpsxa != NULL)
 216         SHDestroyPropSheetExtArray(hpsxa);
 217
 218     if (argv)
 219         LocalFree(argv);
 220
 221     return TRUE;
 222 }
 223
 224
 225 /* Control Panel Callback */
 226 LONG CALLBACK
 227 CPlApplet(HWND hwndCPl, UINT uMsg, LPARAM lParam1, LPARAM lParam2)
 228 {
 229     int i = (int)lParam1;
 230
 231     switch (uMsg)
 232     {
 233         case CPL_INIT:
 234             return TRUE;
 235
 236         case CPL_GETCOUNT:
 237             return NUM_APPLETS;
 238
 239         case CPL_INQUIRE:
 240             {
 241                 CPLINFO *CPlInfo = (CPLINFO*)lParam2;
 242                 CPlInfo->lData = 0;
 243                 CPlInfo->idIcon = Applets[i].idIcon;
 244                 CPlInfo->idName = Applets[i].idName;
 245                 CPlInfo->idInfo = Applets[i].idDescription;
 246             }
 247             break;
 248
 249         case CPL_DBLCLK:
 250             Applets[i].AppletProc(hwndCPl, uMsg, lParam1, lParam2);
 251             break;
 252         case CPL_STARTWPARMSW:
 253             return Applets[i].AppletProc(hwndCPl, uMsg, lParam1, lParam2);
 254     }
 255
 256     return FALSE;
 257 }
 258
 259 void
 260 WINAPI
 261 InstallScreenSaverW(
 262     IN HWND hWindow,
 263     IN HANDLE hInstance,
 264     IN LPCWSTR pszFile,
 265     IN UINT nCmdShow)
 266 {
 267     WCHAR pszSystemDir[MAX_PATH];
 268     WCHAR pszDrive[3];
 269     WCHAR pszPath[MAX_PATH];
 270     WCHAR pszFilename[MAX_PATH];
 271     WCHAR pszExt[MAX_PATH];
 272     LPWSTR pszOutName;
 273     UINT uCompressionType=FILE_COMPRESSION_NONE;
 274     DWORD dwSourceSize;
 275     DWORD dwTargetSize;
 276     DWORD rc;
 277
 278     if (!pszFile)
 279     {
 280         DPRINT("InstallScreenSaver() null file\n");
 281         SetLastError(ERROR_INVALID_PARAMETER);
 282         return;
 283     }
 284     DPRINT("InstallScreenSaver() Installing screensaver %ls\n", pszFile);
 285
 286     rc = SetupGetFileCompressionInfoW(pszFile, &pszOutName, &dwSourceSize, &dwTargetSize, &uCompressionType);
 287     if (ERROR_SUCCESS != rc)
 288     {
 289         DPRINT("InstallScreenSaver() SetupGetFileCompressionInfo failed with error 0x%lx\n", rc);
 290         SetLastError(rc);
 291         return;
 292     }
 293     if (!GetSystemDirectoryW((LPWSTR)pszSystemDir, sizeof(pszSystemDir)/sizeof(WCHAR)))
 294     {
 295         MyFree(pszOutName);
 296         DPRINT("InstallScreenSaver() GetSystemDirectory failed with error 0x%lx\n", GetLastError());
 297         return;
 298     }
 299     _wsplitpath(pszOutName, pszDrive, pszPath, pszFilename, pszExt);
 300     MyFree(pszOutName);
 301     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), L"\\");
 302     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), pszFilename);
 303     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), pszExt);
 304     rc = SetupDecompressOrCopyFileW(pszFile, pszSystemDir, &uCompressionType);
 305     DPRINT("InstallScreenSaver() Copying to %ls, compression type %d return 0x%lx\n", pszFile, uCompressionType, rc);
 306 }
 307
 308 void
 309 WINAPI
 310 InstallScreenSaverA(
 311     IN HWND hWindow,
 312     IN HANDLE hInstance,
 313     IN LPCSTR pszFile,
 314     IN UINT nCmdShow)
 315 {
 316     LPWSTR lpwString;
 317
 318     if (!pszFile)
 319     {
 320         DPRINT("InstallScreenSaver() null file\n");
 321         SetLastError(ERROR_INVALID_PARAMETER);
 322         return;
 323     }
 324     DPRINT("InstallScreenSaver() Install from file %s\n", pszFile);
 325     lpwString = pSetupMultiByteToUnicode(pszFile, 0);
 326     if (!lpwString)
 327     {
 328         DPRINT("InstallScreenSaver() not enough memory to convert string to unicode\n");
 329         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 330         return;
 331     }
 332     InstallScreenSaverW(hWindow, hInstance, lpwString, nCmdShow);
 333     MyFree(lpwString);
 334 }
 335
 336 BOOL WINAPI
 337 DllMain(HINSTANCE hInstDLL, DWORD dwReason, LPVOID lpvReserved)
 338 {
 339     UNREFERENCED_PARAMETER(lpvReserved);
 340
 341     switch (dwReason)
 342     {
 343         case DLL_PROCESS_ATTACH:
 344             CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
 345             RegisterPreviewControl(hInstDLL);
 346 //        case DLL_THREAD_ATTACH:
 347             hApplet = hInstDLL;
 348             break;
 349
 350         case DLL_PROCESS_DETACH:
 351             UnregisterPreviewControl(hInstDLL);
 352             CoUninitialize();
 353             break;
 354     }
 355
 356     return TRUE;
 357 }