417 lines
10 KiB
C
417 lines
10 KiB
C
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <ntexapi.h>
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#include <windows.h>
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#include <scrnsave.h>
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#include <logon.h>
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// For IsOS()
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#include <shlwapi.h>
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#include <shlwapip.h>
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// for added XPSP1 resources
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#include "winbrand.h"
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#include "debug.h"
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#ifndef ARRAYSIZE
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#define ARRAYSIZE(a) (sizeof(a)/sizeof(*a))
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#endif
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HANDLE hInst;
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int cxhwndLogon;
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int cyhwndLogon;
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int xScreen; // the top-left corner of the screen, might be different than (0,0)
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int yScreen;
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int cxScreen;
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int cyScreen;
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HBRUSH hbrBlack;
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HDC hdcLogon;
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HWND hwndLogon;
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HBITMAP hbmLogon = NULL;
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HICON ghiconLogon = NULL;
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HICON hMovingIcon = NULL;
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HPALETTE ghpal = NULL;
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#define APPCLASS "LOGON"
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#define MAX_CAPTION_LENGTH 128
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DWORD FAR lRandom(VOID)
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{
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static DWORD glSeed = (DWORD)-365387184;
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glSeed *= 69069;
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return(++glSeed);
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}
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HPALETTE GetPalette(HBITMAP hbm)
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{
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DIBSECTION ds;
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int i;
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HANDLE hmem;
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HDC hdc, hdcMem;
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LOGPALETTE *ppal;
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HPALETTE hpal;
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RGBQUAD rgbquad[256];
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USHORT nColors;
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GetObject(hbm, sizeof(DIBSECTION), &ds);
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if (ds.dsBmih.biBitCount > 8)
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return NULL;
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nColors = (ds.dsBmih.biBitCount < 16) ? (1 << ds.dsBmih.biBitCount) : 0xffff;
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hmem = GlobalAlloc(GHND, sizeof (LOGPALETTE) + sizeof (PALETTEENTRY) * nColors);
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if (hmem == NULL)
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return NULL;
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ppal = (LPLOGPALETTE) GlobalLock(hmem);
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hdc = GetDC(NULL);
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hdcMem = CreateCompatibleDC(hdc);
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SelectObject(hdcMem, hbm);
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ppal->palVersion = 0x300;
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ppal->palNumEntries = nColors;
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GetDIBColorTable(hdcMem, 0, nColors, rgbquad);
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for (i = 0; i < nColors; i++) {
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ppal->palPalEntry[i].peRed = rgbquad[i].rgbRed;
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ppal->palPalEntry[i].peGreen = rgbquad[i].rgbGreen;
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ppal->palPalEntry[i].peBlue = rgbquad[i].rgbBlue;
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}
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hpal = CreatePalette(ppal);
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GlobalUnlock(hmem);
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GlobalFree(hmem);
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DeleteObject(hdcMem);
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ReleaseDC(NULL, hdc);
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return hpal;
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}
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LRESULT APIENTRY
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WndProc(
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HWND hwnd,
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UINT message,
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WPARAM wParam,
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LPARAM lParam)
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{
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int x, y;
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int nColorsChanged;
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switch (message) {
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PAINTSTRUCT ps;
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case WM_PALETTECHANGED:
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if ((HWND)wParam == hwnd)
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break;
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case WM_QUERYNEWPALETTE:
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{
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HDC hdc = GetDC(hwnd);
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SelectPalette(hdc, ghpal, FALSE);
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nColorsChanged = RealizePalette(hdc);
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ReleaseDC(hwnd, hdc);
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if (nColorsChanged != 0) {
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InvalidateRect(hwnd, NULL, TRUE);
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}
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}
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break;
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case WM_PAINT:
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BeginPaint(hwnd, &ps);
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SelectPalette(ps.hdc, ghpal, FALSE);
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BitBlt(ps.hdc, 0, 0, cxhwndLogon, cyhwndLogon, hdcLogon, 0, 0, SRCCOPY);
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EndPaint(hwnd, &ps);
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break;
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case WM_TIMER:
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/*
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* Pick a new place on the screen to put the dialog.
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*/
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x = lRandom() % (cxScreen - cxhwndLogon) + xScreen;
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y = lRandom() % (cyScreen - cyhwndLogon) + yScreen;
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SetWindowPos(hwndLogon, NULL, x, y, 0, 0,
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SWP_NOSIZE | SWP_NOZORDER);
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break;
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case WM_CLOSE:
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ExitProcess(0);
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break;
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case WM_SETFOCUS:
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/*
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* Don't allow DefDlgProc() to do default processing on this
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* message because it'll set the focus to the first control and
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* we want it set to the main dialog so that DefScreenSaverProc()
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* will see the key input and cancel the screen saver.
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*/
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return TRUE;
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break;
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/*
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* Call DefScreenSaverProc() so we get its default processing (so it
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* can detect key and mouse input).
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*/
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default:
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return DefScreenSaverProc(hwnd, message, wParam, lParam) ? TRUE : FALSE;
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}
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return 0;
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}
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int sx;
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int sy;
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LRESULT OnCreateSS(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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// Background window is black
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// Make sure we use the entire virtual desktop size for multiple
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// displays:
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cxScreen = ((LPCREATESTRUCT)lParam)->cx;
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cyScreen = ((LPCREATESTRUCT)lParam)->cy;
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xScreen = ((LPCREATESTRUCT)lParam)->x;
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yScreen = ((LPCREATESTRUCT)lParam)->y;
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hbrBlack = GetStockObject(BLACK_BRUSH);
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if (!fChildPreview)
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{
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WNDCLASS wndClass;
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BITMAP bm = {0};
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UINT uXpSpLevel = 0;
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HMODULE hResourceDll = hMainInstance;
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if (hbmLogon == NULL)
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{
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LPTSTR res;
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// Embedded OS has it's own logo
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if (IsOS(OS_EMBEDDED))
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{
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res = MAKEINTRESOURCE(IDB_EMBEDDED);
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}
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else if (IsOS(OS_TABLETPC))
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{
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uXpSpLevel = 1;
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res = MAKEINTRESOURCE(IDB_TABLETPC_LOGON_SCR);
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}
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else if (IsOS(OS_MEDIACENTER))
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{
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uXpSpLevel = 1;
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res = MAKEINTRESOURCE(IDB_MEDIACENTER_LOGON_SCR);
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}
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else if (IsOS(OS_DATACENTER))
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{
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AssertMsg(FALSE, "Should not see this on XPSP");
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res = MAKEINTRESOURCE(IDB_DATACENTER);
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}
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else if (IsOS(OS_ADVSERVER))
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{
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AssertMsg(FALSE, "Should not see this on XPSP");
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res = MAKEINTRESOURCE(IDB_ADVANCED);
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}
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else if (IsOS(OS_SERVER))
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{
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AssertMsg(FALSE, "Should not see this on XPSP");
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res = MAKEINTRESOURCE(IDB_SERVER);
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}
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else if (IsOS(OS_PERSONAL))
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{
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res = MAKEINTRESOURCE(IDB_PERSONAL);
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}
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else
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{
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res = MAKEINTRESOURCE(IDB_WORKSTA);
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}
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if (uXpSpLevel > 0)
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{
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hResourceDll = LoadLibraryEx(TEXT("winbrand.dll"), NULL, LOAD_LIBRARY_AS_DATAFILE);
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if (hResourceDll == NULL)
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{
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hResourceDll = hMainInstance;
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}
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}
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hbmLogon = LoadImage(hResourceDll, res, IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION);
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if (hbmLogon)
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{
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ghpal = GetPalette(hbmLogon);
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}
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if (hResourceDll != hMainInstance)
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{
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FreeLibrary(hResourceDll);
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}
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}
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if (hbmLogon)
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{
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GetObject(hbmLogon, sizeof(bm), &bm);
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}
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cxhwndLogon = bm.bmWidth;
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cyhwndLogon = bm.bmHeight;
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hdcLogon = CreateCompatibleDC(NULL);
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if (hdcLogon && hbmLogon)
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{
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SelectObject(hdcLogon, hbmLogon);
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}
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wndClass.style = CS_HREDRAW | CS_VREDRAW;
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wndClass.lpfnWndProc = WndProc;
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wndClass.cbClsExtra = 0;
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wndClass.cbWndExtra = sizeof(LONG);
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wndClass.hInstance = hInst;
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wndClass.hIcon = NULL;
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wndClass.hCursor = NULL;
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wndClass.hbrBackground = NULL;
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wndClass.lpszMenuName = NULL;
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wndClass.lpszClassName = TEXT("LOGON");
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RegisterClass(&wndClass);
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// Create the window we'll move around every 10 seconds.
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hwndLogon = CreateWindowEx(WS_EX_TOPMOST, TEXT("LOGON"), NULL, WS_VISIBLE | WS_POPUP,
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50, 50, cxhwndLogon, cyhwndLogon, hMainWindow, NULL, hInst, NULL);
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if (hwndLogon)
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{
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SetTimer(hwndLogon, 1, 10 * 1000, 0);
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}
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// Post this message so we activate after this window is created.
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PostMessage(hwnd, WM_USER, 0, 0);
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}
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else
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{
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SetTimer(hwnd, 1, 10 * 1000, 0);
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cxhwndLogon = GetSystemMetrics(SM_CXICON);
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cyhwndLogon = GetSystemMetrics(SM_CYICON);
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ghiconLogon = LoadIcon(hMainInstance, MAKEINTRESOURCE(1));
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sx = lRandom() % (cxScreen - cxhwndLogon) + xScreen;
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sy = lRandom() % (cyScreen - cyhwndLogon) + yScreen;
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}
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return 0;
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}
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LRESULT APIENTRY ScreenSaverProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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RECT rc;
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HDC hdc;
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PAINTSTRUCT ps;
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switch (message)
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{
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case WM_CREATE:
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OnCreateSS(hwnd, message, wParam, lParam);
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break;
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case WM_SIZE:
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cxScreen = LOWORD(lParam);
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cyScreen = HIWORD(lParam);
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break;
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case WM_WINDOWPOSCHANGING:
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/*
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* Take down hwndLogon if this window is going invisible.
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*/
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if (hwndLogon == NULL)
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break;
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if (((LPWINDOWPOS)lParam)->flags & SWP_HIDEWINDOW) {
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ShowWindow(hwndLogon, SW_HIDE);
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}
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break;
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case WM_USER:
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/*
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* Now show and activate this window.
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*/
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if (hwndLogon == NULL)
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break;
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SetWindowPos(hwndLogon, NULL, 0, 0, 0, 0, SWP_SHOWWINDOW |
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SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER);
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break;
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case WM_PAINT:
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hdc = BeginPaint(hwnd, &ps);
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SetRect(&rc, xScreen, yScreen, cxScreen, cyScreen);
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FillRect(hdc, &rc, hbrBlack);
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if (fChildPreview) {
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DrawIcon(hdc, sx, sy, ghiconLogon);
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}
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EndPaint(hwnd, &ps);
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break;
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case WM_NCACTIVATE:
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/*
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* Case out WM_NCACTIVATE so the dialog activates: DefScreenSaverProc
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* returns FALSE for this message, not allowing activation.
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*/
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if (!fChildPreview)
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return DefWindowProc(hwnd, message, wParam, lParam);
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break;
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case WM_TIMER:
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/*
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* Pick a new place on the screen to put the dialog.
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*/
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sx = lRandom() % (cxScreen - cxhwndLogon) + xScreen;
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sy = lRandom() % (cyScreen - cyhwndLogon) + yScreen;
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InvalidateRect(hwnd, NULL, TRUE);
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break;
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}
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return DefScreenSaverProc(hwnd, message, wParam, lParam);
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}
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BOOL APIENTRY
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ScreenSaverConfigureDialog(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
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{
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TCHAR ach1[256];
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|
|
TCHAR ach2[256];
|
||
|
|
|
||
|
|
switch (message) {
|
||
|
|
case WM_INITDIALOG:
|
||
|
|
/*
|
||
|
|
* This is hack-o-rama, but fast and cheap.
|
||
|
|
*/
|
||
|
|
LoadString(hMainInstance, IDS_DESCRIPTION, ach1, ARRAYSIZE(ach1));
|
||
|
|
LoadString(hMainInstance, 2, ach2, ARRAYSIZE(ach2));
|
||
|
|
|
||
|
|
MessageBox(hDlg, ach2, ach1, MB_OK | MB_ICONEXCLAMATION);
|
||
|
|
|
||
|
|
EndDialog(hDlg, TRUE);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL WINAPI RegisterDialogClasses(HANDLE hInst)
|
||
|
|
{
|
||
|
|
return TRUE;
|
||
|
|
}
|