mirror of
git://sourceware.org/git/newlib-cygwin.git
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106 lines
3.1 KiB
C++
106 lines
3.1 KiB
C++
/* cygkeycheck.cc
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Copyright 2000 Cygnus Solutions.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include <stdio.h>
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#include <windows.h>
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char *myname;
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int
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eprint (const char *name)
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{
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fprintf (stderr, "%s: %s failed: %lu\n", myname, name, GetLastError ());
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return 1;
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}
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int
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main (int argc, char **argv)
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{
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myname = argv[0];
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HANDLE h = CreateFileA ("CONIN$", GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
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OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if (h == INVALID_HANDLE_VALUE || h == NULL)
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return eprint ("Opening CONIN$");
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DWORD mode;
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if (!GetConsoleMode (h, &mode))
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eprint ("GetConsoleMode");
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else
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{
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mode &= ~ENABLE_PROCESSED_INPUT;
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if (!SetConsoleMode (h, mode))
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eprint ("GetConsoleMode");
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}
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fputs ("\nThis key checker works only in a console window,", stderr);
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fputs (" _NOT_ in a terminal session!\n", stderr);
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fputs ("Abort with Ctrl+C if in a terminal session.\n\n", stderr);
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fputs ("Press `q' to exit.\n", stderr);
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INPUT_RECORD in, prev_in;
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// Drop first <RETURN> key
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ReadConsoleInput (h, &in, 1, &mode);
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memset (&in, 0, sizeof in);
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do
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{
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prev_in = in;
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if (!ReadConsoleInput (h, &in, 1, &mode))
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eprint ("ReadConsoleInput");
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if (!memcmp (&in, &prev_in, sizeof in))
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continue;
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switch (in.EventType)
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{
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case KEY_EVENT:
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printf ("%s %ux VK: 0x%02x VS: 0x%02x A: 0x%02x CTRL: ",
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in.Event.KeyEvent.bKeyDown ? "Pressed " : "Released",
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in.Event.KeyEvent.wRepeatCount,
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in.Event.KeyEvent.wVirtualKeyCode,
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in.Event.KeyEvent.wVirtualScanCode,
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(unsigned char) in.Event.KeyEvent.uChar.AsciiChar);
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fputs (in.Event.KeyEvent.dwControlKeyState & CAPSLOCK_ON ?
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"CL " : "-- ", stdout);
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fputs (in.Event.KeyEvent.dwControlKeyState & ENHANCED_KEY ?
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"EK " : "-- ", stdout);
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fputs (in.Event.KeyEvent.dwControlKeyState & LEFT_ALT_PRESSED ?
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"LA " : "-- ", stdout);
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fputs (in.Event.KeyEvent.dwControlKeyState & LEFT_CTRL_PRESSED ?
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"LC " : "-- ", stdout);
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fputs (in.Event.KeyEvent.dwControlKeyState & NUMLOCK_ON ?
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"NL " : "-- ", stdout);
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fputs (in.Event.KeyEvent.dwControlKeyState & RIGHT_ALT_PRESSED ?
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"RA " : "-- ", stdout);
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fputs (in.Event.KeyEvent.dwControlKeyState & RIGHT_CTRL_PRESSED ?
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"RC " : "-- ", stdout);
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fputs (in.Event.KeyEvent.dwControlKeyState & SCROLLLOCK_ON ?
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"SL " : "-- ", stdout);
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fputs (in.Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED ?
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"SH " : "-- ", stdout);
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fputc ('\n', stdout);
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break;
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}
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}
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while (in.EventType != KEY_EVENT ||
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in.Event.KeyEvent.bKeyDown != FALSE ||
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in.Event.KeyEvent.uChar.AsciiChar != 'q');
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CloseHandle (h);
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return 0;
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}
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