mirror of
https://codeberg.org/ziglang/zig.git
synced 2025-12-06 13:54:21 +00:00
mingw: Remove libscrnsav(e,w) support.
This defines a WinMain() function that can be potentially problematic when it isn't wanted. If we add back support for this library in the future, it should be built separately from mingw32.lib and on demand.
This commit is contained in:
Alex Rønne Petersen
parent
c04be630d9
commit
0cbff2ff7f
3 changed files with 0 additions and 420 deletions
415
lib/libc/mingw/libsrc/scrnsave.c
vendored
415
lib/libc/mingw/libsrc/scrnsave.c
vendored
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@ -1,415 +0,0 @@
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/*
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Screen saver library by Anders Norlander <anorland@hem2.passagen.se>
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This library is (hopefully) compatible with Microsoft's
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screen saver library.
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This is public domain software.
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*/
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#include <windows.h>
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#include <scrnsave.h>
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#include <regstr.h>
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/* screen saver window class */
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#define CLASS_SCRNSAVE TEXT("WindowsScreenSaverClass")
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/* globals */
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HWND hMainWindow = NULL;
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BOOL fChildPreview = FALSE;
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HINSTANCE hMainInstance;
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TCHAR szName[TITLEBARNAMELEN];
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TCHAR szAppName[APPNAMEBUFFERLEN];
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TCHAR szIniFile[MAXFILELEN];
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TCHAR szScreenSaver[22];
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TCHAR szHelpFile[MAXFILELEN];
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TCHAR szNoHelpMemory[BUFFLEN];
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UINT MyHelpMessage;
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/* local house keeping */
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static HINSTANCE hPwdLib = NULL;
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static POINT pt_orig;
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static BOOL checking_pwd = FALSE;
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static BOOL closing = FALSE;
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static BOOL w95 = FALSE;
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typedef void (*PVFV)(void);
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typedef BOOL (WINAPI *VERIFYPWDPROC)(HWND);
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typedef DWORD (WINAPI *CHPWDPROC)(LPCTSTR, HWND, DWORD, PVOID);
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static VERIFYPWDPROC VerifyScreenSavePwd = NULL;
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/* function names */
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#define szVerifyPassword "VerifyScreenSavePwd"
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#ifdef UNICODE
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#define szPwdChangePassword "PwdChangePasswordW"
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#else
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#define szPwdChangePassword "PwdChangePasswordA"
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#endif
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static void TerminateScreenSaver(HWND hWnd);
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static BOOL RegisterClasses(void);
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static LRESULT WINAPI SysScreenSaverProc(HWND,UINT,WPARAM,LPARAM);
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static int LaunchScreenSaver(HWND hParent);
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static void LaunchConfig(void);
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static int ISSPACE(char c)
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{
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return (c == ' ' || c == '\t');
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}
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static ULONG_PTR parse_ulptr(const char *s)
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{
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ULONG_PTR res, n;
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const char *p;
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for (p = s; *p; p++)
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if (*p < '0' || *p > '9')
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break;
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p--;
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res = 0;
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for (n = 1; p >= s; p--, n *= 10)
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res += (*p - '0') * n;
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return res;
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}
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/* screen saver entry point */
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int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hPrevInst,
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LPSTR CmdLine, int nCmdShow)
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{
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LPSTR p;
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OSVERSIONINFO vi;
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UNREFERENCED_PARAMETER(hPrevInst);
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UNREFERENCED_PARAMETER(nCmdShow);
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/* initialize */
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hMainInstance = hInst;
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vi.dwOSVersionInfoSize = sizeof(vi);
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GetVersionEx(&vi);
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/* check if we are going to check for passwords */
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if (vi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
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{
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HKEY hKey;
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/* we are using windows 95 */
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w95 = TRUE;
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if (RegOpenKey(HKEY_CURRENT_USER, REGSTR_PATH_SCREENSAVE ,&hKey) ==
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ERROR_SUCCESS)
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{
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DWORD check_pwd;
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DWORD size = sizeof(DWORD);
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DWORD type;
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LONG res;
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res = RegQueryValueEx(hKey, REGSTR_VALUE_USESCRPASSWORD,
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NULL, &type, (PBYTE) &check_pwd, &size);
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if (check_pwd && res == ERROR_SUCCESS)
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{
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hPwdLib = LoadLibrary(TEXT("PASSWORD.CPL"));
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if (hPwdLib)
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VerifyScreenSavePwd = (VERIFYPWDPROC)(PVFV) GetProcAddress(hPwdLib, szVerifyPassword);
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}
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RegCloseKey(hKey);
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}
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}
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/* parse arguments */
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for (p = CmdLine; *p; p++)
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{
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switch (*p)
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{
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case 'S':
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case 's':
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/* start screen saver */
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return LaunchScreenSaver(NULL);
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case 'P':
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case 'p':
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{
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/* start screen saver in preview window */
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HWND hParent;
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fChildPreview = TRUE;
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while (ISSPACE(*++p));
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hParent = (HWND) parse_ulptr(p);
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if (hParent && IsWindow(hParent))
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return LaunchScreenSaver(hParent);
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}
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return 0;
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case 'C':
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case 'c':
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/* display configure dialog */
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LaunchConfig();
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return 0;
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case 'A':
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case 'a':
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{
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/* change screen saver password */
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HWND hParent;
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while (ISSPACE(*++p));
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hParent = (HWND) parse_ulptr(p);
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if (!hParent || !IsWindow(hParent))
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hParent = GetForegroundWindow();
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ScreenSaverChangePassword(hParent);
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}
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return 0;
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case '-':
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case '/':
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case ' ':
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default:
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break;
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}
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}
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LaunchConfig();
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return 0;
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}
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static void LaunchConfig(void)
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{
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/* FIXME: should this be called */
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RegisterDialogClasses(hMainInstance);
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/* display configure dialog */
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DialogBox(hMainInstance, MAKEINTRESOURCE(DLG_SCRNSAVECONFIGURE),
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GetForegroundWindow(), (DLGPROC)(PVFV) ScreenSaverConfigureDialog);
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}
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static int LaunchScreenSaver(HWND hParent)
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{
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BOOL foo;
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UINT style;
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RECT rc;
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MSG msg;
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/* don't allow other tasks to get into the foreground */
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if (w95 && !fChildPreview)
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SystemParametersInfo(SPI_SCREENSAVERRUNNING, TRUE, &foo, 0);
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msg.wParam = 0;
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/* register classes, both user defined and classes used by screen saver
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library */
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if (!RegisterClasses())
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{
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MessageBox(NULL, TEXT("RegisterClasses() failed"), NULL, MB_ICONHAND);
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goto restore;
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}
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/* a slightly different approach needs to be used when displaying
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in a preview window */
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if (hParent)
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{
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style = WS_CHILD;
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GetClientRect(hParent, &rc);
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}
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else
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{
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style = WS_POPUP;
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rc.left = GetSystemMetrics(SM_XVIRTUALSCREEN);
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rc.top = GetSystemMetrics(SM_YVIRTUALSCREEN);
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rc.right = GetSystemMetrics(SM_CXVIRTUALSCREEN);
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rc.bottom = GetSystemMetrics(SM_CYVIRTUALSCREEN);
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style |= WS_VISIBLE;
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}
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/* create main screen saver window */
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hMainWindow = CreateWindowEx(hParent ? 0 : WS_EX_TOPMOST, CLASS_SCRNSAVE,
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TEXT("SCREENSAVER"), style,
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rc.left, rc.top, rc.right, rc.bottom, hParent, NULL,
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hMainInstance, NULL);
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/* display window and start pumping messages */
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if (hMainWindow)
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{
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UpdateWindow(hMainWindow);
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ShowWindow(hMainWindow, SW_SHOW);
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while (GetMessage(&msg, NULL, 0, 0) == TRUE)
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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}
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restore:
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/* restore system */
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if (w95 && !fChildPreview)
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SystemParametersInfo(SPI_SCREENSAVERRUNNING, FALSE, &foo, 0);
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FreeLibrary(hPwdLib);
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return msg.wParam;
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}
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/* this function takes care of *must* do tasks, like terminating
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screen saver */
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static LRESULT WINAPI SysScreenSaverProc(HWND hWnd, UINT msg,
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WPARAM wParam, LPARAM lParam)
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{
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switch (msg)
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{
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case WM_CREATE:
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if (!fChildPreview)
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SetCursor(NULL);
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/* mouse is not supposed to move from this position */
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GetCursorPos(&pt_orig);
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break;
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case WM_DESTROY:
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PostQuitMessage(0);
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break;
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case WM_TIMER:
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if (closing)
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return 0;
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break;
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case WM_PAINT:
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if (closing)
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return DefWindowProc(hWnd, msg, wParam, lParam);
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break;
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case WM_SYSCOMMAND:
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if (!fChildPreview)
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switch (wParam)
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{
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case SC_CLOSE:
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case SC_SCREENSAVE:
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case SC_NEXTWINDOW:
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case SC_PREVWINDOW:
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return FALSE;
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}
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break;
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case WM_MOUSEMOVE:
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case WM_LBUTTONDOWN:
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case WM_RBUTTONDOWN:
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case WM_MBUTTONDOWN:
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case WM_KEYDOWN:
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case WM_SYSKEYDOWN:
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case WM_NCACTIVATE:
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case WM_ACTIVATE:
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case WM_ACTIVATEAPP:
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if (closing)
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return DefWindowProc(hWnd, msg, wParam, lParam);
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break;
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}
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return ScreenSaverProc(hWnd, msg, wParam, lParam);
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}
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LRESULT WINAPI DefScreenSaverProc(HWND hWnd, UINT msg,
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WPARAM wParam, LPARAM lParam)
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{
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/* don't do any special processing when in preview mode */
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if (fChildPreview || closing)
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return DefWindowProc(hWnd, msg, wParam, lParam);
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switch (msg)
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{
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case WM_CLOSE:
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TerminateScreenSaver(hWnd);
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/* do NOT pass this to DefWindowProc; it will terminate even if
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an invalid password was given.
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*/
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return 0;
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case SCRM_VERIFYPW:
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/* verify password or return TRUE if password checking is turned off */
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if (VerifyScreenSavePwd)
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return VerifyScreenSavePwd(hWnd);
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else
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return TRUE;
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case WM_SETCURSOR:
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if (checking_pwd)
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break;
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SetCursor(NULL);
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return TRUE;
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case WM_NCACTIVATE:
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case WM_ACTIVATE:
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case WM_ACTIVATEAPP:
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/* if wParam is FALSE then I am losing focus */
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if (wParam == FALSE && !checking_pwd)
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PostMessage(hWnd, WM_CLOSE, 0, 0);
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break;
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case WM_MOUSEMOVE:
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{
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POINT pt;
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GetCursorPos(&pt);
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if (pt.x == pt_orig.x && pt.y == pt_orig.y)
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break;
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/* mouse moved */
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}
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/* fallthrough */
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case WM_LBUTTONDOWN:
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case WM_RBUTTONDOWN:
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case WM_MBUTTONDOWN:
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case WM_KEYDOWN:
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case WM_SYSKEYDOWN:
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/* try to terminate screen saver */
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if (!checking_pwd)
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PostMessage(hWnd, WM_CLOSE, 0, 0);
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break;
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}
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return DefWindowProc(hWnd, msg, wParam, lParam);
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}
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static void TerminateScreenSaver(HWND hWnd)
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{
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/* don't allow recursion */
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if (checking_pwd || closing)
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return;
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/* verify password */
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if (VerifyScreenSavePwd)
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{
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checking_pwd = TRUE;
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closing = SendMessage(hWnd, SCRM_VERIFYPW, 0, 0);
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checking_pwd = FALSE;
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}
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else
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closing = TRUE;
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/* are we closing? */
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if (closing)
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{
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DestroyWindow(hWnd);
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}
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else
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GetCursorPos(&pt_orig); /* if not: get new mouse position */
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}
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/*
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Register screen saver window class and call user
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supplied hook.
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*/
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static BOOL RegisterClasses(void)
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{
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WNDCLASS cls;
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cls.hCursor = NULL;
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cls.hIcon = LoadIcon(hMainInstance, MAKEINTATOM(ID_APP));
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cls.lpszMenuName = NULL;
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cls.lpszClassName = CLASS_SCRNSAVE;
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cls.hbrBackground = GetStockObject(BLACK_BRUSH);
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cls.hInstance = hMainInstance;
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cls.style = CS_VREDRAW | CS_HREDRAW | CS_SAVEBITS | CS_PARENTDC;
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cls.lpfnWndProc = SysScreenSaverProc;
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cls.cbWndExtra = 0;
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cls.cbClsExtra = 0;
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if (!RegisterClass(&cls))
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return FALSE;
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return RegisterDialogClasses(hMainInstance);
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}
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void WINAPI ScreenSaverChangePassword(HWND hParent)
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{
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/* load Master Password Router (MPR) */
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HINSTANCE hMpr = LoadLibrary(TEXT("MPR.DLL"));
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if (hMpr)
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{
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CHPWDPROC ChangePassword;
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ChangePassword = (CHPWDPROC)(PVFV) GetProcAddress(hMpr, szPwdChangePassword);
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/* change password for screen saver provider */
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if (ChangePassword)
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ChangePassword(TEXT("SCRSAVE"), hParent, 0, NULL);
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FreeLibrary(hMpr);
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}
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}
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@ -297,10 +297,6 @@ pub fn isLibCLibName(target: std.Target, name: []const u8) bool {
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return true;
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if (eqlIgnoreCase(ignore_case, name, "pthread"))
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return true;
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if (eqlIgnoreCase(ignore_case, name, "scrnsave"))
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return true;
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if (eqlIgnoreCase(ignore_case, name, "scrnsavw"))
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return true;
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if (eqlIgnoreCase(ignore_case, name, "strmiids"))
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return true;
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if (eqlIgnoreCase(ignore_case, name, "uuid"))
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@ -883,7 +883,6 @@ const mingw32_generic_src = [_][]const u8{
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"libsrc" ++ path.sep_str ++ "sensorsapi.c",
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"libsrc" ++ path.sep_str ++ "portabledeviceguids.c",
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"libsrc" ++ path.sep_str ++ "taskschd.c",
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"libsrc" ++ path.sep_str ++ "scrnsave.c",
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"libsrc" ++ path.sep_str ++ "strmiids.c",
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"libsrc" ++ path.sep_str ++ "gdiplus.c",
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"libsrc" ++ path.sep_str ++ "activeds-uuid.c",
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