1 files changed, 148 insertions, 0 deletions
diff --git a/plugins/Chess4Net/lib/TntUnicodeControls/Source/TntRegistry.pas b/plugins/Chess4Net/lib/TntUnicodeControls/Source/TntRegistry.pas
new file mode 100644
index 0000000000..e3f445f92b
--- /dev/null
+++ b/plugins/Chess4Net/lib/TntUnicodeControls/Source/TntRegistry.pas
@@ -0,0 +1,148 @@
+
+{*****************************************************************************}
+{                                                                             }
+{    Tnt Delphi Unicode Controls                                              }
+{      http://www.tntware.com/delphicontrols/unicode/                         }
+{        Version: 2.3.0                                                       }
+{                                                                             }
+{    Copyright (c) 2002-2007, Troy Wolbrink (troy.wolbrink@tntware.com)       }
+{                                                                             }
+{*****************************************************************************}
+
+unit TntRegistry;
+
+{$INCLUDE TntCompilers.inc}
+
+interface
+
+uses
+  Registry, Windows, TntClasses;
+
+{TNT-WARN TRegistry}
+type
+  TTntRegistry = class(TRegistry{TNT-ALLOW TRegistry})
+  private
+    procedure WriteStringEx(dwType: DWORD; const Name, Value: WideString);
+  public
+    procedure GetKeyNames(Strings: TTntStrings);
+    procedure GetValueNames(Strings: TTntStrings);
+    function ReadString(const Name: WideString): WideString;
+    procedure WriteString(const Name, Value: WideString);
+    procedure WriteExpandString(const Name, Value: WideString);
+  end;
+
+implementation
+
+uses
+  RTLConsts, SysUtils, TntSysUtils;
+
+{ TTntRegistry }
+
+procedure TTntRegistry.GetKeyNames(Strings: TTntStrings);
+var
+  Len: DWORD;
+  I: Integer;
+  Info: TRegKeyInfo;
+  S: WideString;
+begin
+  if (not Win32PlatformIsUnicode) then
+    inherited GetKeyNames(Strings.AnsiStrings)
+  else begin
+    Strings.Clear;
+    if GetKeyInfo(Info) then
+    begin
+      SetLength(S, (Info.MaxSubKeyLen + 1) * 2);
+      for I := 0 to Info.NumSubKeys - 1 do
+      begin
+        Len := (Info.MaxSubKeyLen + 1) * 2;
+        if RegEnumKeyExW(CurrentKey, I, PWideChar(S), Len, nil, nil, nil, nil) = ERROR_SUCCESS then
+          Strings.Add(PWideChar(S));
+      end;
+    end;
+  end;
+end;
+
+{$IFNDEF COMPILER_9_UP} // fix declaration for RegEnumValueW (lpValueName is a PWideChar)
+function RegEnumValueW(hKey: HKEY; dwIndex: DWORD; lpValueName: PWideChar;
+  var lpcbValueName: DWORD; lpReserved: Pointer; lpType: PDWORD;
+  lpData: PByte; lpcbData: PDWORD): Longint; stdcall; external advapi32 name 'RegEnumValueW';
+{$ENDIF}
+
+procedure TTntRegistry.GetValueNames(Strings: TTntStrings);
+var
+  Len: DWORD;
+  I: Integer;
+  Info: TRegKeyInfo;
+  S: WideString;
+begin
+  if (not Win32PlatformIsUnicode) then
+    inherited GetValueNames(Strings.AnsiStrings)
+  else begin
+    Strings.Clear;
+    if GetKeyInfo(Info) then
+    begin
+      SetLength(S, Info.MaxValueLen + 1);
+      for I := 0 to Info.NumValues - 1 do
+      begin
+        Len := Info.MaxValueLen + 1;
+        RegEnumValueW(CurrentKey, I, PWideChar(S), Len, nil, nil, nil, nil);
+        Strings.Add(PWideChar(S));
+      end;
+    end;
+  end;
+end;
+
+function TTntRegistry.ReadString(const Name: WideString): WideString;
+var
+  DataType: Cardinal;
+  BufSize: Cardinal;
+begin
+  if (not Win32PlatformIsUnicode) then
+    result := inherited ReadString(Name)
+  else begin
+    // get length and type
+    DataType := REG_NONE;
+    if RegQueryValueExW(CurrentKey, PWideChar(Name), nil,
+      @DataType, nil, @BufSize) <> ERROR_SUCCESS then
+        Result := ''
+    else begin
+      // check type
+      if not (DataType in [REG_SZ, REG_EXPAND_SZ]) then
+        raise ERegistryException.CreateFmt(SInvalidRegType, [Name]);
+      if BufSize = 1 then
+        BufSize := SizeOf(WideChar); // sometimes this occurs for single character values!
+      SetLength(Result, BufSize div SizeOf(WideChar));
+      if RegQueryValueExW(CurrentKey, PWideChar(Name), nil,
+        @DataType, PByte(PWideChar(Result)), @BufSize) <> ERROR_SUCCESS then
+          raise ERegistryException.CreateFmt(SRegGetDataFailed, [Name]);
+      Result := PWideChar(Result);
+    end
+  end
+end;
+
+procedure TTntRegistry.WriteStringEx(dwType: DWORD; const Name, Value: WideString);
+begin
+  Assert(dwType in [REG_SZ, REG_EXPAND_SZ]);
+  if (not Win32PlatformIsUnicode) then begin
+    if dwType = REG_SZ then
+      inherited WriteString(Name, Value)
+    else
+      inherited WriteExpandString(Name, Value);
+  end else begin
+    if RegSetValueExW(CurrentKey, PWideChar(Name), 0, dwType,
+      PWideChar(Value), (Length(Value) + 1) * SizeOf(WideChar)) <> ERROR_SUCCESS then
+        raise ERegistryException.CreateFmt(SRegSetDataFailed, [Name]);
+  end;
+end;
+
+procedure TTntRegistry.WriteString(const Name, Value: WideString);
+begin
+  WriteStringEx(REG_SZ, Name, Value);
+end;
+
+procedure TTntRegistry.WriteExpandString(const Name, Value: WideString);
+begin
+  WriteStringEx(REG_EXPAND_SZ, Name, Value);
+end;
+
+end.