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
  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 } PropPages[] =
 113 {
 114     { IDD_BACKGROUND, BackgroundPageProc, NULL },
 115     { IDD_SCREENSAVER, ScreenSaverPageProc, NULL },
 116     { IDD_APPEARANCE, AppearancePageProc, NULL },
 117     { IDD_SETTINGS, SettingsPageProc, SettingsPageCallbackProc },
 118 };
 119
 120 /* Display Applet */
 121 static LONG APIENTRY
 122 DisplayApplet(HWND hwnd, UINT uMsg, LPARAM wParam, LPARAM lParam)
 123 {
 124     HPROPSHEETPAGE hpsp[MAX_DESK_PAGES];
 125     PROPSHEETHEADER psh;
 126     HPSXA hpsxa;
 127     TCHAR Caption[1024];
 128     LONG ret;
 129     UINT i;
 130
 131     UNREFERENCED_PARAMETER(lParam);
 132     UNREFERENCED_PARAMETER(wParam);
 133     UNREFERENCED_PARAMETER(uMsg);
 134     UNREFERENCED_PARAMETER(hwnd);
 135
 136     g_GlobalData.desktop_color = GetSysColor(COLOR_DESKTOP);
 137
 138     LoadString(hApplet, IDS_CPLNAME, Caption, sizeof(Caption) / sizeof(TCHAR));
 139
 140     ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
 141     psh.dwSize = sizeof(PROPSHEETHEADER);
 142     psh.dwFlags = PSH_USECALLBACK | PSH_PROPTITLE;
 143     psh.hwndParent = hCPLWindow;
 144     psh.hInstance = hApplet;
 145     psh.hIcon = LoadIcon(hApplet, MAKEINTRESOURCE(IDC_DESK_ICON));
 146     psh.pszCaption = Caption;
 147     psh.nPages = 0;
 148     psh.nStartPage = 0;
 149     psh.phpage = hpsp;
 150
 151     /* Allow shell extensions to replace the background page */
 152     hpsxa = SHCreatePropSheetExtArray(HKEY_LOCAL_MACHINE, REGSTR_PATH_CONTROLSFOLDER TEXT("\\Desk"), MAX_DESK_PAGES - psh.nPages);
 153
 154     for (i = 0; i != sizeof(PropPages) / sizeof(PropPages[0]); i++)
 155     {
 156         /* Override the background page if requested by a shell extension */
 157         if (PropPages[i].idDlg == IDD_BACKGROUND && hpsxa != NULL &&
 158             SHReplaceFromPropSheetExtArray(hpsxa, CPLPAGE_DISPLAY_BACKGROUND, PropSheetAddPage, (LPARAM)&psh) != 0)
 159         {
 160             /* The shell extension added one or more pages to replace the background page.
 161                Don't create the built-in page anymore! */
 162             continue;
 163         }
 164
 165         InitPropSheetPage(&psh, PropPages[i].idDlg, PropPages[i].DlgProc, PropPages[i].Callback);
 166     }
 167
 168     /* NOTE: Don't call SHAddFromPropSheetExtArray here because this applet only allows
 169              replacing the background page but not extending the applet by more pages */
 170
 171     ret = (LONG)(PropertySheet(&psh) != -1);
 172
 173     if (hpsxa != NULL)
 174         SHDestroyPropSheetExtArray(hpsxa);
 175
 176     return ret;
 177 }
 178
 179
 180 /* Control Panel Callback */
 181 LONG CALLBACK
 182 CPlApplet(HWND hwndCPl, UINT uMsg, LPARAM lParam1, LPARAM lParam2)
 183 {
 184     int i = (int)lParam1;
 185
 186     switch (uMsg)
 187     {
 188         case CPL_INIT:
 189             return TRUE;
 190
 191         case CPL_GETCOUNT:
 192             return NUM_APPLETS;
 193
 194         case CPL_INQUIRE:
 195             {
 196                 CPLINFO *CPlInfo = (CPLINFO*)lParam2;
 197                 CPlInfo->lData = 0;
 198                 CPlInfo->idIcon = Applets[i].idIcon;
 199                 CPlInfo->idName = Applets[i].idName;
 200                 CPlInfo->idInfo = Applets[i].idDescription;
 201             }
 202             break;
 203
 204         case CPL_DBLCLK:
 205             hCPLWindow = hwndCPl;
 206             Applets[i].AppletProc(hwndCPl, uMsg, lParam1, lParam2);
 207             break;
 208     }
 209
 210     return FALSE;
 211 }
 212
 213 void
 214 WINAPI
 215 InstallScreenSaverW(
 216     IN HWND hWindow,
 217     IN HANDLE hInstance,
 218     IN LPCWSTR pszFile,
 219     IN UINT nCmdShow)
 220 {
 221     WCHAR pszSystemDir[MAX_PATH];
 222     WCHAR pszDrive[2];
 223     WCHAR pszPath[MAX_PATH];
 224     WCHAR pszFilename[MAX_PATH];
 225     WCHAR pszExt[MAX_PATH];
 226     LPWSTR pszOutName;
 227     UINT uCompressionType=FILE_COMPRESSION_NONE;
 228     DWORD dwSourceSize;
 229     DWORD dwTargetSize;
 230     DWORD rc;
 231
 232     if (!pszFile)
 233     {
 234         DPRINT("InstallScreenSaver() null file\n");
 235         SetLastError(ERROR_INVALID_PARAMETER);
 236         return;
 237     }
 238     DPRINT("InstallScreenSaver() Installing screensaver %ls\n", pszFile);
 239
 240     rc = SetupGetFileCompressionInfoW(pszFile, &pszOutName, &dwSourceSize, &dwTargetSize, &uCompressionType);
 241     if (ERROR_SUCCESS != rc)
 242     {
 243         DPRINT("InstallScreenSaver() SetupGetFileCompressionInfo failed with error 0x%lx\n", rc);
 244         SetLastError(rc);
 245         return;
 246     }
 247     if (!GetSystemDirectoryW((LPWSTR)pszSystemDir, sizeof(pszSystemDir)/sizeof(WCHAR)))
 248     {
 249         MyFree(pszOutName);
 250         DPRINT("InstallScreenSaver() GetSystemDirectory failed with error 0x%lx\n", GetLastError());
 251         return;
 252     }
 253     _wsplitpath(pszOutName, pszDrive, pszPath, pszFilename, pszExt);
 254     MyFree(pszOutName);
 255     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), L"\\");
 256     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), pszFilename);
 257     StringCbCatW(pszSystemDir, sizeof(pszSystemDir), pszExt);
 258     rc = SetupDecompressOrCopyFileW(pszFile, pszSystemDir, &uCompressionType);
 259     DPRINT("InstallScreenSaver() Copying to %ls, compression type %d return 0x%lx\n", pszFile, uCompressionType, rc);
 260 }
 261
 262 void
 263 WINAPI
 264 InstallScreenSaverA(
 265     IN HWND hWindow,
 266     IN HANDLE hInstance,
 267     IN LPCSTR pszFile,
 268     IN UINT nCmdShow)
 269 {
 270     LPWSTR lpwString;
 271
 272     if (!pszFile)
 273     {
 274         DPRINT("InstallScreenSaver() null file\n");
 275         SetLastError(ERROR_INVALID_PARAMETER);
 276         return;
 277     }
 278     DPRINT("InstallScreenSaver() Install from file %s\n", pszFile);
 279     lpwString = pSetupMultiByteToUnicode(pszFile, 0);
 280     if (!lpwString)
 281     {
 282         DPRINT("InstallScreenSaver() not enough memory to convert string to unicode\n");
 283         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 284         return;
 285     }
 286     InstallScreenSaverW(hWindow, hInstance, lpwString, nCmdShow);
 287     MyFree(lpwString);
 288 }
 289
 290 BOOL WINAPI
 291 DllMain(HINSTANCE hInstDLL, DWORD dwReason, LPVOID lpvReserved)
 292 {
 293     UNREFERENCED_PARAMETER(lpvReserved);
 294
 295     switch (dwReason)
 296     {
 297         case DLL_PROCESS_ATTACH:
 298             CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
 299             RegisterPreviewControl(hInstDLL);
 300 //        case DLL_THREAD_ATTACH:
 301             hApplet = hInstDLL;
 302             break;
 303
 304         case DLL_PROCESS_DETACH:
 305             UnregisterPreviewControl(hInstDLL);
 306             CoUninitialize();
 307             break;
 308     }
 309
 310     return TRUE;
 311 }