481 lines
12 KiB
C
481 lines
12 KiB
C
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/*++
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Copyright (c) 1994-1998, Microsoft Corporation All rights reserved.
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Module Name:
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keybdspd.c
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Abstract:
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This module contains the main routines for the Keyboard applet's
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Speed property page.
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Revision History:
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--*/
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//
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// Include Files.
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//
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#include "main.h"
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#include "rc.h"
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#include "util.h"
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#include <regstr.h>
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#include <help.h>
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//
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// Constant Declarations.
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//
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#define KSPEED_MIN 0
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#define KSPEED_MAX 31
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#define KSPEED_RANGE (KSPEED_MAX - KSPEED_MIN + 1)
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//
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// For keyboard delay control.
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//
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#define KDELAY_MIN 0
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#define KDELAY_MAX 3
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#define KDELAY_RANGE (KDELAY_MAX - KDELAY_MIN + 1)
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//
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// For control of the cursor blink rate.
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//
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// timer ID
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#define BLINK 1000
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// Note that 1300 is converted to -1, which means "off". The max value
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// that we set is actually 1200.
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#define CURSORMIN 200
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#define CURSORMAX 1300
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#define CURSORRANGE (CURSORMAX - CURSORMIN)
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static ARROWVSCROLL avsDelay = { -1,
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1,
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-KDELAY_RANGE / 4,
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KDELAY_RANGE / 4,
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KDELAY_MAX,
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KDELAY_MIN
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};
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static ARROWVSCROLL avsSpeed = { -1,
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1,
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-KSPEED_RANGE / 4,
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KSPEED_RANGE / 4,
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KSPEED_MAX,
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KSPEED_MIN
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};
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static ARROWVSCROLL avsCursor = { -1, // lineup
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1, // linedown
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-CURSORRANGE / 400, // pageup
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CURSORRANGE / 400, // pagedown
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CURSORRANGE / 100, // top
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0, // bottom
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0, // thumbpos
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0 // thumbtrack
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};
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//
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// Context Help Ids.
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//
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static DWORD aKbdHelpIds[] =
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{
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KDELAY_GROUP, IDH_COMM_GROUPBOX,
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KBLINK_GROUP, IDH_COMM_GROUPBOX,
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KDELAY_SCROLL, IDH_DLGKEY_REPDEL,
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KSPEED_SCROLL, IDH_DLGKEY_REPSPEED,
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KREPEAT_EDIT, IDH_DLGKEY_REPTEST,
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KBLINK_EDIT, IDH_DLGKEY_CURSOR_GRAPHIC,
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KCURSOR_BLINK, IDH_DLGKEY_CURSOR_GRAPHIC,
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KCURSOR_SCROLL, IDH_DLGKEY_CURSBLNK,
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0, 0
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};
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//
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// Global Variables.
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//
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//
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// FEATURE - these should be moved into the KeyboardSpdStr structure
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//
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static UINT uOriginalDelay, uOriginalSpeed;
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static UINT uBlinkTime;
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static UINT uNewBlinkTime;
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static BOOL bKbNeedsReset = FALSE;
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static HWND hwndCursorScroll;
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static HWND hwndCursorBlink;
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static BOOL fBlink = TRUE;
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//
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// Typedef Declarations.
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//
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typedef struct tag_KeyboardSpdStr
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{
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HWND hDlg; // HWND hKeyboardSpdDlg;
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} KEYBOARDSPDSTR, *PKEYBOARDSPDSTR;
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//
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// Helper functions to handle the caret "off" setting
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//
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void _SetCaretBlinkTime(UINT uInterval)
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{
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if (uInterval != uNewBlinkTime)
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{
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uNewBlinkTime = uInterval;
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if (CURSORMAX == uInterval)
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uInterval = (UINT)-1; // blink is "off"
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SetCaretBlinkTime(uInterval);
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}
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}
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void _SetTimer(HWND hDlg, UINT uInterval)
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{
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if (uInterval < CURSORMAX)
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{
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SetTimer(hDlg, BLINK, uInterval, NULL);
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}
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else
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{
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// Caret blink is "off".
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// Kill the timer and show our pseudo-caret.
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KillTimer(hDlg, BLINK);
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fBlink = TRUE;
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ShowWindow(hwndCursorBlink, SW_SHOW);
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}
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}
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////////////////////////////////////////////////////////////////////////////
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//
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// KeyboardSpeedSupported
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//
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////////////////////////////////////////////////////////////////////////////
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BOOL KeyboardSpeedSupported()
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{
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#ifdef WINNT
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//
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// FEATURE For Windows NT we assume that all keyboards can
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// handle the SetSpeed - we might be able to do a
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// better check in the future if KEYBOARD.DLL is available.
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//
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return (TRUE);
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#else
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HANDLE hKeyboardModule = LoadLibrary16(TEXT("KEYBOARD"));
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BOOL bCanDorkWithTheSpeed = FALSE;
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if (hKeyboardModule)
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{
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if (GetProcAddress16(hKeyboardModule, TEXT("SetSpeed")))
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{
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bCanDorkWithTheSpeed = TRUE;
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}
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FreeLibrary16(hKeyboardModule);
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}
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return (bCanDorkWithTheSpeed);
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#endif
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}
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////////////////////////////////////////////////////////////////////////////
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//
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// SetDelayAndSpeed
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//
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////////////////////////////////////////////////////////////////////////////
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void SetDelayAndSpeed(
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HWND hDlg,
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int nDelay,
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int nSpeed,
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UINT uFlags)
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{
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if (nDelay < 0)
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{
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nDelay = (int)SendDlgItemMessage( hDlg,
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KDELAY_SCROLL,
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TBM_GETPOS,
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0,
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0L );
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}
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if (nSpeed < 0)
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{
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nSpeed = (int)SendDlgItemMessage( hDlg,
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KSPEED_SCROLL,
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TBM_GETPOS,
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0,
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0L );
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}
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//
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// Only send the WININICHANGE once.
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//
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SystemParametersInfo( SPI_SETKEYBOARDSPEED,
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nSpeed,
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0,
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uFlags & ~SPIF_SENDWININICHANGE );
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SystemParametersInfo( SPI_SETKEYBOARDDELAY,
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KDELAY_MAX - nDelay + KDELAY_MIN,
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0L,
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uFlags );
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}
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////////////////////////////////////////////////////////////////////////////
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//
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// DestroyKeyboardSpdDlg
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//
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////////////////////////////////////////////////////////////////////////////
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void DestroyKeyboardSpdDlg(
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PKEYBOARDSPDSTR pKstr)
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{
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HWND hDlg;
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if (pKstr)
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{
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hDlg = pKstr->hDlg;
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LocalFree((HGLOBAL)pKstr);
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SetWindowLongPtr(hDlg, DWLP_USER, 0);
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}
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}
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////////////////////////////////////////////////////////////////////////////
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//
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// GetSpeedGlobals
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//
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// Get Repeat Speed, Delay, and Blink Time.
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//
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////////////////////////////////////////////////////////////////////////////
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VOID GetSpeedGlobals()
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{
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SystemParametersInfo(SPI_GETKEYBOARDSPEED, 0, &uOriginalSpeed, FALSE);
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SystemParametersInfo(SPI_GETKEYBOARDDELAY, 0, &uOriginalDelay, FALSE);
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uOriginalDelay = KDELAY_MAX - uOriginalDelay + KDELAY_MIN;
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// -1 means "off"
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uBlinkTime = GetCaretBlinkTime();
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if ((UINT)-1 == uBlinkTime || uBlinkTime > CURSORMAX)
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uBlinkTime = CURSORMAX;
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uNewBlinkTime = uBlinkTime;
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}
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////////////////////////////////////////////////////////////////////////////
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//
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// InitKeyboardSpdDlg
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//
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////////////////////////////////////////////////////////////////////////////
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BOOL InitKeyboardSpdDlg(
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HWND hDlg)
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{
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HourGlass(TRUE);
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if (!KeyboardSpeedSupported())
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{
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MyMessageBox( hDlg,
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IDS_KEYBD_NOSETSPEED,
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IDS_KEYBD_TITLE,
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MB_OK | MB_ICONINFORMATION );
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HourGlass(FALSE);
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return (FALSE);
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}
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//
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// Get Repeat Speed, Delay, and Blink Time.
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//
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GetSpeedGlobals();
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TrackInit(GetDlgItem(hDlg, KSPEED_SCROLL), uOriginalSpeed, &avsSpeed);
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TrackInit(GetDlgItem(hDlg, KDELAY_SCROLL), uOriginalDelay, &avsDelay);
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TrackInit(GetDlgItem(hDlg, KCURSOR_SCROLL), (CURSORMAX - uBlinkTime) / 100, &avsCursor );
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hwndCursorScroll = GetDlgItem(hDlg, KCURSOR_SCROLL);
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hwndCursorBlink = GetDlgItem(hDlg, KCURSOR_BLINK);
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_SetTimer(hDlg, uBlinkTime);
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HourGlass(FALSE);
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return (TRUE);
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}
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////////////////////////////////////////////////////////////////////////////
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//
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// KeyboardSpdDlg
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//
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////////////////////////////////////////////////////////////////////////////
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static const TCHAR c_szUserDesktopKey[] = REGSTR_PATH_DESKTOP;
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static const TCHAR c_szCursorBlink[] = TEXT("CursorBlinkRate");
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INT_PTR CALLBACK KeyboardSpdDlg(
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HWND hDlg,
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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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PKEYBOARDSPDSTR pKstr = (PKEYBOARDSPDSTR)GetWindowLongPtr(hDlg, DWLP_USER);
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switch (message)
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{
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case ( WM_INITDIALOG ) :
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{
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bKbNeedsReset = FALSE;
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return (InitKeyboardSpdDlg(hDlg));
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break;
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}
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case ( WM_DESTROY ) :
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{
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DestroyKeyboardSpdDlg(pKstr);
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break;
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}
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case ( WM_HSCROLL ) :
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{
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if ((HWND)lParam == hwndCursorScroll)
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{
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int nCurrent = (int)SendMessage( (HWND)lParam,
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TBM_GETPOS,
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0,
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0L );
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_SetCaretBlinkTime(CURSORMAX - (nCurrent * 100));
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_SetTimer(hDlg, uNewBlinkTime);
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}
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else
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{
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SetDelayAndSpeed(hDlg, -1, -1, 0);
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bKbNeedsReset = TRUE;
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}
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SendMessage(GetParent(hDlg), PSM_CHANGED, (WPARAM)hDlg, 0L);
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break;
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}
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case ( WM_TIMER ) :
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{
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if (wParam == BLINK)
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{
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fBlink = !fBlink;
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ShowWindow(hwndCursorBlink, fBlink ? SW_SHOW : SW_HIDE);
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}
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break;
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}
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case ( WM_WININICHANGE ) :
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case ( WM_SYSCOLORCHANGE ) :
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case ( WM_DISPLAYCHANGE ) :
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{
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SHPropagateMessage(hDlg, message, wParam, lParam, TRUE);
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break;
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}
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case ( WM_HELP ) : // F1
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{
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WinHelp( (HWND)((LPHELPINFO)lParam)->hItemHandle,
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NULL,
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HELP_WM_HELP,
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(DWORD_PTR)(LPTSTR)aKbdHelpIds );
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break;
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}
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case ( WM_CONTEXTMENU ) : // right mouse click
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{
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WinHelp( (HWND)wParam,
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NULL,
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HELP_CONTEXTMENU,
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(DWORD_PTR)(LPTSTR)aKbdHelpIds );
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break;
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}
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case ( WM_NOTIFY ) :
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{
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switch (((NMHDR *)lParam)->code)
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{
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case ( PSN_APPLY ) :
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{
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HKEY hk;
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||
|
|
HourGlass(TRUE);
|
||
|
|
|
||
|
|
if (RegCreateKey( HKEY_CURRENT_USER,
|
||
|
|
c_szUserDesktopKey,
|
||
|
|
&hk ) == ERROR_SUCCESS)
|
||
|
|
{
|
||
|
|
TCHAR buf[16];
|
||
|
|
|
||
|
|
if (CURSORMAX == uNewBlinkTime)
|
||
|
|
lstrcpy(buf, TEXT("-1"));
|
||
|
|
else
|
||
|
|
wsprintf(buf, TEXT("%d"), uNewBlinkTime);
|
||
|
|
RegSetValueEx( hk,
|
||
|
|
c_szCursorBlink,
|
||
|
|
0,
|
||
|
|
REG_SZ,
|
||
|
|
(LPBYTE)buf,
|
||
|
|
(DWORD)(lstrlen(buf) + 1) * sizeof(TCHAR) );
|
||
|
|
|
||
|
|
RegCloseKey(hk);
|
||
|
|
}
|
||
|
|
|
||
|
|
SetDelayAndSpeed( hDlg,
|
||
|
|
-1,
|
||
|
|
-1,
|
||
|
|
SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE );
|
||
|
|
GetSpeedGlobals();
|
||
|
|
HourGlass(FALSE);
|
||
|
|
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case ( PSN_RESET ) :
|
||
|
|
{
|
||
|
|
_SetCaretBlinkTime(uBlinkTime);
|
||
|
|
|
||
|
|
if (bKbNeedsReset)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Restore the original keyboard speed.
|
||
|
|
//
|
||
|
|
SetDelayAndSpeed( hDlg,
|
||
|
|
uOriginalDelay,
|
||
|
|
uOriginalSpeed,
|
||
|
|
0 );
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
default :
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return (TRUE);
|
||
|
|
}
|