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403 lines
11 KiB
403 lines
11 KiB
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/************************************************************************/
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/*
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** Copyright (c) 1985-1998 Microsoft Corporation
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**
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** Title: config.c - Multimedia Systems Media Control Interface
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** waveform audio driver for RIFF wave files.
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**
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** Version: 1.00
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**
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** Date: 18-Apr-1990
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**
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** Author: ROBWI
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*/
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/************************************************************************/
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/*
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** Change log:
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**
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** DATE REV DESCRIPTION
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** ----------- ----- ------------------------------------------
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** 10-Jan-1992 MikeTri Ported to NT
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** @@@ need to change slash slash comments to slash star
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*/
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/************************************************************************/
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#define UNICODE
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#define NOGDICAPMASKS
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#define NOVIRTUALKEYCODES
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#define NOWINSTYLES
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#define NOSYSMETRICS
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#define NOMENUS
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#define NOICONS
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#define NOKEYSTATES
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#define NOSYSCOMMANDS
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#define NORASTEROPS
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#define NOSHOWWINDOW
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#define OEMRESOURCE
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#define NOATOM
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#define NOCLIPBOARD
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#define NOCOLOR
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#define NODRAWTEXT
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#define NOGDI
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#define NOKERNEL
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#define NONLS
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#define NOMB
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#define NOMEMMGR
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#define NOMETAFILE
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#define NOOPENFILE
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#define NOTEXTMETRIC
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#define NOWH
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#define NOWINOFFSETS
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#define NOCOMM
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#define NOKANJI
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#define NOPROFILER
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#define NODEFERWINDOWPOS
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#define NOMMDRV
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#define MMNOMMIO
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#define MMNOJOY
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#define MMNOTIMER
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#define MMNOAUX
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#define MMNOMIDI
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#define MMNOWAVE
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#include <windows.h>
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#include "mciwave.h"
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#include <mmddk.h>
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#include "config.h"
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#include <mcihlpid.h>
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/************************************************************************/
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#define MAXINIDRIVER 132
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PRIVATE SZCODE aszNULL[] = L"";
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PRIVATE SZCODE aszSystemIni[] = L"system.ini";
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PRIVATE WCHAR aszWordFormat[] = L"%u";
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PRIVATE WCHAR aszTailWordFormat[] = L" %u";
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const static DWORD aHelpIds[] = { // Context Help IDs
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IDSCROLL, IDH_MCI_WAVEFORM_DRIVER,
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(DWORD)-1, IDH_MCI_WAVEFORM_DRIVER,
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IDCOUNT, IDH_MCI_WAVEFORM_DRIVER,
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0, 0
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};
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const static TCHAR cszHelpFile[] = TEXT("MMDRV.HLP");
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/************************************************************************/
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/*
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@doc INTERNAL MCIWAVE
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@func SSZ | GetTail |
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This function returns a pointer into the given string at the
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first non-blank character after the current word. If it fails to find
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a second word, a pointer to the terminating NULL character is returned.
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@parm SSZ | ssz |
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Points to the string whose tail is to be returned.
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@rdesc Returns a pointer into the string passed.
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*/
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PRIVATE SSZ PASCAL NEAR GetTail(
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SSZ ssz)
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{
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while (*ssz && *ssz != ' ')
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ssz++;
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while (*ssz == ' ')
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ssz++ ;
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return ssz;
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}
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/************************************************************************/
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/*
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@doc INTERNAL MCIWAVE
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@func UINT | GetCmdParm |
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This function retrieves the current audio buffers parameter using
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the INI strings contained in the configuration block. The audio
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buffers parameter is a number included in the INI entry for this
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driver as a parameter.
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@parm <t>LPDRVCONFIGINFO<d> | lpdci |
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Points to the driver configuration information passed to the
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dialog creation function.
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@rdesc Returns the current audio buffers.
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*/
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STATICFN UINT PASCAL NEAR GetCmdParm(
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LPDRVCONFIGINFO lpdci)
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{
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WCHAR aszDriver[MAXINIDRIVER];
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SSZ pszTail;
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// Assume things will go wrong... initialise variables
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pszTail = aszDriver;
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if (GetPrivateProfileString( lpdci->lpszDCISectionName,
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lpdci->lpszDCIAliasName,
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aszNULL,
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aszDriver,
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sizeof(aszDriver) / sizeof(WCHAR),
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aszSystemIni))
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{
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// We have got the name of the driver
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// Just in case the user has added the command parameter to the
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// end of the name we had better make sure there is only one token
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// on the line.
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WCHAR parameters[6];
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LPWSTR pszDefault;
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pszTail = GetTail((SSZ)aszDriver);
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pszDefault = pszTail; // Either the number on the end, or NULL
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if (*pszTail) {
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// RATS!! Not a simple name
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while (*--pszTail == L' ') {
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}
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*++pszTail = L'\0'; // Terminate the string after the DLL name
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}
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if (GetProfileString(aszDriver, lpdci->lpszDCIAliasName, pszDefault, parameters, sizeof(parameters)/sizeof(WCHAR))) {
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pszTail = parameters;
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}
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} else {
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aszDriver[0] = L'\0';
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}
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return(GetAudioSeconds(pszTail));
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}
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/************************************************************************/
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/*
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@doc INTERNAL MCIWAVE
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@func UINT | PutCmdParm |
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This function saves the current audio buffers parameter using
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the INI strings contained in the configuration block.
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@parm <t>LPDRVCONFIGINFO<d> | lpdci |
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Points to the driver configuration information passed to the
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dialog creation function.
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@parm UINT | wSeconds |
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Contains the audio buffer seconds parameter to save.
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@rdesc Nothing.
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*/
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PRIVATE VOID PASCAL NEAR PutCmdParm(
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LPDRVCONFIGINFO lpdci,
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UINT wSeconds)
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{
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WCHAR aszDriver[MAXINIDRIVER];
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SSZ sszDriverTail;
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if (GetPrivateProfileString( lpdci->lpszDCISectionName,
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lpdci->lpszDCIAliasName,
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aszNULL,
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aszDriver,
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(sizeof(aszDriver) / sizeof(WCHAR)) - 6,
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aszSystemIni)) {
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WCHAR parameters[10];
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// There might be a command parameter on the end of the DLL name.
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// Ensure we only have the first token
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sszDriverTail = GetTail((SSZ)aszDriver);
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if (*sszDriverTail) {
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// RATS!! Not a simple name
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while (*--sszDriverTail == L' ') {
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}
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*++sszDriverTail = L'\0'; // Terminate the string after the DLL name
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}
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wsprintfW(parameters, aszWordFormat, wSeconds);
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WriteProfileString(aszDriver, lpdci->lpszDCIAliasName, parameters);
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}
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}
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/************************************************************************/
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/*
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@doc INTERNAL MCIWAVE
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@func BOOL | ConfigDlgProc |
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This function is the message handle for the driver configuration
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window.
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@parm HWND | hwndDlg |
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Window handle to the dialog.
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@parm UINT | wMsg |
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Current message being sent.
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@flag WM_INITDIALOG |
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During dialog initialization, the pointer to the configuration
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parameter block is saved to a static pointer. Note that there should
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only be a single instance of this dialog box at any one time. The
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current audio dialog buffer seconds is set from the INI file entry.
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@flag WM_HSCROLL |
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This responds to the scroll bar by changing the currently displayed
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value of audio seconds and updating the scroll bar thumb. To look
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nice, the count and scroll bar are only updated if the value actually
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changes. Note that the error return for GetDlgItemInt is not checked
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because it is initially set to an integer value, so it is always
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valid.
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@flag WM_CLOSE |
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If the close box is used, cancel the dialog, returning DRVCNF_CANCEL.
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@flag WM_COMMAND |
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If the message is being sent on behalf of the OK button, the current
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audio seconds value is saved, and the dialog is terminated, returning
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the DRVCNF_OK value to the driver entry. Note that the error return for
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GetDlgItemInt is not checked because it is initially set to an integer
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value, so it is always valid. If the message is being sent on behalf
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of the Cancel button, the dialog is terminated returning the
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DRVCNF_CANCEL value.
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@parm WPARAM | wParam |
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Message parameter.
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@parm LPARAM | lParam |
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Message parameter.
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@rdesc Depends on the message sent.
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*/
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PUBLIC INT_PTR PASCAL ConfigDlgProc(
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HWND hwndDlg,
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UINT wMsg,
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WPARAM wParam,
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LPARAM lParam)
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{
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UINT wSeconds;
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UINT wNewSeconds;
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BOOL fTranslated;
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HWND hwndItem;
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static LPDRVCONFIGINFO lpdci;
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switch (wMsg) {
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case WM_INITDIALOG:
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lpdci = (LPDRVCONFIGINFO)lParam;
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wSeconds = GetCmdParm(lpdci);
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hwndItem = GetDlgItem(hwndDlg, IDSCROLL);
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SetScrollRange(hwndItem, SB_CTL, MinAudioSeconds, MaxAudioSeconds, FALSE);
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SetScrollPos(hwndItem, SB_CTL, wSeconds, FALSE);
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SetDlgItemInt(hwndDlg, IDCOUNT, wSeconds, FALSE);
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break;
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case WM_HSCROLL:
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wSeconds = GetDlgItemInt(hwndDlg, IDCOUNT, &fTranslated, FALSE);
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hwndItem = (HWND)lParam;
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switch (LOWORD(wParam)) {
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case SB_PAGEDOWN:
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case SB_LINEDOWN:
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wNewSeconds = min(MaxAudioSeconds, wSeconds + 1);
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break;
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case SB_PAGEUP:
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case SB_LINEUP:
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wNewSeconds = max(MinAudioSeconds, wSeconds - 1);
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break;
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case SB_TOP:
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wNewSeconds = MinAudioSeconds;
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break;
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case SB_BOTTOM:
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wNewSeconds = MaxAudioSeconds;
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break;
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case SB_THUMBPOSITION:
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case SB_THUMBTRACK:
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wNewSeconds = HIWORD(wParam);
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break;
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default:
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return FALSE;
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}
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if (wNewSeconds != wSeconds) {
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SetScrollPos(hwndItem, SB_CTL, wNewSeconds, TRUE);
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SetDlgItemInt(hwndDlg, IDCOUNT, wNewSeconds, FALSE);
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}
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break;
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case WM_CLOSE:
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EndDialog(hwndDlg, DRVCNF_CANCEL);
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break;
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case WM_CONTEXTMENU:
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WinHelp ((HWND)wParam, cszHelpFile, HELP_CONTEXTMENU, (ULONG_PTR)aHelpIds);
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return TRUE;
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case WM_HELP:
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{
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LPHELPINFO lphi = (LPVOID) lParam;
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WinHelp (lphi->hItemHandle, cszHelpFile, HELP_WM_HELP, (ULONG_PTR)aHelpIds);
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return TRUE;
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}
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case WM_COMMAND:
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switch (LOWORD(wParam)) {
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case IDOK:
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PutCmdParm(lpdci, GetDlgItemInt(hwndDlg, IDCOUNT, &fTranslated, FALSE));
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EndDialog(hwndDlg, DRVCNF_OK);
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break;
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case IDCANCEL:
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EndDialog(hwndDlg, DRVCNF_CANCEL);
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break;
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}
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break;
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default:
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return FALSE;
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}
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return TRUE;
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}
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/************************************************************************/
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/*
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@doc INTERNAL MCIWAVE
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@func int | Config |
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This function creates the configuration dialog, and returns the
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value from dialog box call.
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@parm HWND | hwnd |
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Contains the handle of what is to be the parent of the dialog.
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@parm <t>LPDRVCONFIGINFO<d> | lpdci |
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Points to the driver configuration information passed to the
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configuration message.
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@parm HINSTANCE | hInstance |
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Contains a handle to the module in which the dialog is stored.
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@rdesc Returns the dialog box call function return.
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*/
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PUBLIC INT_PTR PASCAL FAR Config(
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HWND hwnd,
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LPDRVCONFIGINFO lpdci,
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HINSTANCE hInstance)
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{
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return DialogBoxParam(hInstance, MAKEINTRESOURCE(IDD_CONFIG), hwnd, ConfigDlgProc, (LPARAM)lpdci);
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}
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/************************************************************************/
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