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#include <stdlib.h>
#include <stdio.h>
#include <windef.h>
#include <winbase.h>
#include <winuser.h>
#include "regconfig.h"
#define TOTAL_BYTES_READ 1024
#define OFFSET_BYTES 1024
static BOOL createRegistryKey(HKEY hKeyParent, const PWCHAR subkey)
{
DWORD dwDisposition; //It verify new key is created or open existing key
HKEY hKey;
DWORD ret;
ret = RegCreateKeyExW(hKeyParent, subkey, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, &dwDisposition);
if(ret != ERROR_SUCCESS)
{
return FALSE;
}
RegCloseKey(hKey); //close the key
return TRUE;
}
static BOOL writeStringToRegistry(HKEY hKeyParent, const PWCHAR subkey, const PWCHAR valueName, PWCHAR strData)
{
DWORD ret;
HKEY hKey;
//Check if the registry exists
ret = RegOpenKeyExW(hKeyParent, subkey, 0, KEY_WRITE, &hKey);
if(ret == ERROR_SUCCESS)
{
ret = RegSetValueExW(hKey, valueName, 0, REG_SZ, (LPBYTE)(strData), wcslen(strData) * sizeof(wchar_t));
if(ret != ERROR_SUCCESS)
{
RegCloseKey(hKey);
return FALSE;
}
RegCloseKey(hKey);
return TRUE;
}
return FALSE;
}
static BOOL readStringFromRegistry(HKEY hKeyParent, const PWCHAR subkey, const PWCHAR valueName, PWCHAR *readData)
{
HKEY hKey;
DWORD len = TOTAL_BYTES_READ;
DWORD readDataLen = len;
PWCHAR readBuffer = (PWCHAR )malloc(sizeof(PWCHAR)* len);
if (readBuffer == NULL)
return FALSE;
//Check if the registry exists
DWORD ret = RegOpenKeyExW(hKeyParent, subkey, 0, KEY_READ, &hKey);
if(ret == ERROR_SUCCESS)
{
ret = RegQueryValueExW(hKey, valueName, NULL, NULL, (BYTE*)readBuffer, &readDataLen);
while(ret == ERROR_MORE_DATA)
{
// Get a buffer that is big enough.
len += OFFSET_BYTES;
readBuffer = (PWCHAR)realloc(readBuffer, len);
readDataLen = len;
ret = RegQueryValueExW(hKey, valueName, NULL, NULL, (BYTE*)readBuffer, &readDataLen);
}
if (ret != ERROR_SUCCESS)
{
RegCloseKey(hKey);
return FALSE;
}
*readData = readBuffer;
RegCloseKey(hKey);
return TRUE;
}
else
{
return FALSE;
}
}
static BOOL readIntFromRegistry(HKEY hKeyParent, const PWCHAR subkey, const PWCHAR valueName, int *readData)
{
WCHAR *buf = NULL;
BOOL ret;
ret = readStringFromRegistry(hKeyParent, subkey, valueName, &buf);
if(ret && readData)
{
*readData = _wtoi(buf);
}
if(buf)
free(buf);
return ret;
}
static BOOL writeIntToRegistry(HKEY hKeyParent, const PWCHAR subkey, const PWCHAR valueName, int intData)
{
WCHAR buf[20];
BOOL ret;
ZeroMemory(buf, 20);
_snwprintf(buf, 20, L"%d", intData);
ret = writeStringToRegistry(hKeyParent, subkey, valueName, buf);
return ret;
}
void setupDefault(DriverSettings *setup)
{
setup->useExternalBank = 0;
setup->bankId = 68;
ZeroMemory(setup->bankPath, MAX_PATH * sizeof(WCHAR));
setup->emulatorId = 0;
setup->flagDeepTremolo = BST_INDETERMINATE;
setup->flagDeepVibrato = BST_INDETERMINATE;
setup->flagSoftPanning = BST_CHECKED;
setup->flagScaleModulators = BST_UNCHECKED;
setup->flagFullBrightness = BST_UNCHECKED;
setup->volumeModel = 0;
setup->numChips = 4;
setup->num4ops = -1;
}
static const PWCHAR s_regPath = L"SOFTWARE\\Wohlstand\\libADLMIDI";
void loadSetup(DriverSettings *setup)
{
int iVal;
WCHAR *sVal = NULL;
if(readIntFromRegistry(HKEY_CURRENT_USER, s_regPath, L"useExternalBank", &iVal))
setup->useExternalBank = iVal;
if(readIntFromRegistry(HKEY_CURRENT_USER, s_regPath, L"bankId", &iVal))
setup->bankId = iVal;
if(readStringFromRegistry(HKEY_CURRENT_USER, s_regPath, L"bankPath", &sVal))
wcsncpy(setup->bankPath, sVal, MAX_PATH);
if(sVal)
free(sVal);
sVal = NULL;
if(readIntFromRegistry(HKEY_CURRENT_USER, s_regPath, L"emulatorId", &iVal))
setup->emulatorId = iVal;
if(readIntFromRegistry(HKEY_CURRENT_USER, s_regPath, L"flagDeepTremolo", &iVal))
setup->flagDeepTremolo = iVal;
if(readIntFromRegistry(HKEY_CURRENT_USER, s_regPath, L"flagDeepVibrato", &iVal))
setup->flagDeepVibrato = iVal;
if(readIntFromRegistry(HKEY_CURRENT_USER, s_regPath, L"flagSoftPanning", &iVal))
setup->flagSoftPanning = iVal;
if(readIntFromRegistry(HKEY_CURRENT_USER, s_regPath, L"flagScaleModulators", &iVal))
setup->flagScaleModulators = iVal;
if(readIntFromRegistry(HKEY_CURRENT_USER, s_regPath, L"flagFullBrightness", &iVal))
setup->flagFullBrightness = iVal;
if(readIntFromRegistry(HKEY_CURRENT_USER, s_regPath, L"volumeModel", &iVal))
setup->volumeModel = iVal;
if(readIntFromRegistry(HKEY_CURRENT_USER, s_regPath, L"numChips", &iVal))
setup->numChips = iVal;
if(readIntFromRegistry(HKEY_CURRENT_USER, s_regPath, L"num4ops", &iVal))
setup->num4ops = iVal;
}
void saveSetup(DriverSettings *setup)
{
createRegistryKey(HKEY_CURRENT_USER, s_regPath);
writeIntToRegistry(HKEY_CURRENT_USER, s_regPath, L"useExternalBank", setup->useExternalBank);
writeIntToRegistry(HKEY_CURRENT_USER, s_regPath, L"bankId", setup->bankId);
if(setup->bankPath[0] != L'\0')
writeStringToRegistry(HKEY_CURRENT_USER, s_regPath, L"bankPath", setup->bankPath);
writeIntToRegistry(HKEY_CURRENT_USER, s_regPath, L"emulatorId", setup->emulatorId);
writeIntToRegistry(HKEY_CURRENT_USER, s_regPath, L"flagDeepTremolo", setup->flagDeepTremolo);
writeIntToRegistry(HKEY_CURRENT_USER, s_regPath, L"flagDeepVibrato", setup->flagDeepVibrato);
writeIntToRegistry(HKEY_CURRENT_USER, s_regPath, L"flagSoftPanning", setup->flagSoftPanning);
writeIntToRegistry(HKEY_CURRENT_USER, s_regPath, L"flagScaleModulators", setup->flagScaleModulators);
writeIntToRegistry(HKEY_CURRENT_USER, s_regPath, L"flagFullBrightness", setup->flagFullBrightness);
writeIntToRegistry(HKEY_CURRENT_USER, s_regPath, L"volumeModel", setup->volumeModel);
writeIntToRegistry(HKEY_CURRENT_USER, s_regPath, L"numChips", setup->numChips);
writeIntToRegistry(HKEY_CURRENT_USER, s_regPath, L"num4ops", setup->num4ops);
}
static const PWCHAR s_regPathNotify = L"SOFTWARE\\Wohlstand\\libADLMIDI\\notify";
void sendSignal(int sig)
{
writeIntToRegistry(HKEY_CURRENT_USER, s_regPathNotify, L"command", sig);
}
#ifdef ENABLE_REG_SERVER
static HKEY hKey = 0;
static HANDLE hEvent = 0;
void openSignalListener()
{
LONG errorcode;
DWORD dwFilter = REG_NOTIFY_CHANGE_NAME |
REG_NOTIFY_CHANGE_ATTRIBUTES |
REG_NOTIFY_CHANGE_LAST_SET |
REG_NOTIFY_CHANGE_SECURITY;
createRegistryKey(HKEY_CURRENT_USER, s_regPathNotify);
writeIntToRegistry(HKEY_CURRENT_USER, s_regPathNotify, L"command", 0);
errorcode = RegOpenKeyExW(HKEY_CURRENT_USER, s_regPathNotify, 0, KEY_NOTIFY, &hKey);
if(errorcode != ERROR_SUCCESS)
return;
hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
if(hEvent == NULL)
{
RegCloseKey(hKey);
hKey = 0;
return;
}
errorcode = RegNotifyChangeKeyValue(hKey,
FALSE,
dwFilter,
hEvent,
TRUE);
if(errorcode != ERROR_SUCCESS)
{
CloseHandle(hEvent);
hEvent = 0;
RegCloseKey(hKey);
hKey = 0;
return;
}
}
int hasReloadSetupSignal()
{
DWORD ret;
int cmd;
if(hEvent == 0)
return 0;
ret = WaitForSingleObject(hEvent, 0);
if(ret == WAIT_OBJECT_0)
{
readIntFromRegistry(HKEY_CURRENT_USER, s_regPathNotify, L"command", &cmd);
return cmd;
}
return 0;
}
void resetSignal()
{
writeIntToRegistry(HKEY_CURRENT_USER, s_regPathNotify, L"command", 0);
}
void closeSignalListener()
{
if(hKey)
RegCloseKey(hKey);
hKey = 0;
if(hEvent)
CloseHandle(hEvent);
hEvent = 0;
}
#endif
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