?? tntstdctrls.pas

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{*****************************************************************************}
{                                                                             }
{    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 TntStdCtrls;

{$INCLUDE TntCompilers.inc}

interface

{ TODO: Implement TCustomListBox.KeyPress, OnDataFind. }

uses
  Windows, Messages, Classes, Controls, TntControls, StdCtrls, Graphics,
  TntClasses, TntSysUtils;

{TNT-WARN TCustomEdit}
type
  TTntCustomEdit = class(TCustomEdit{TNT-ALLOW TCustomEdit})
  private
    FPasswordChar: WideChar;
    procedure SetSelText(const Value: WideString);
    function GetText: WideString;
    procedure SetText(const Value: WideString);
    function GetHint: WideString;
    procedure SetHint(const Value: WideString);
    function IsHintStored: Boolean;
    function GetPasswordChar: WideChar;
    procedure SetPasswordChar(const Value: WideChar);
  protected
    procedure CreateWindowHandle(const Params: TCreateParams); override;
    procedure CreateWnd; override;
    procedure DefineProperties(Filer: TFiler); override;
    function GetActionLinkClass: TControlActionLinkClass; override;
    procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
    function GetSelStart: Integer; reintroduce; virtual;
    procedure SetSelStart(const Value: Integer); reintroduce; virtual;
    function GetSelLength: Integer; reintroduce; virtual;
    procedure SetSelLength(const Value: Integer); reintroduce; virtual;
    function GetSelText: WideString; reintroduce; virtual;
    property PasswordChar: WideChar read GetPasswordChar write SetPasswordChar default #0;
  public
    property SelText: WideString read GetSelText write SetSelText;
    property SelStart: Integer read GetSelStart write SetSelStart;
    property SelLength: Integer read GetSelLength write SetSelLength;
    property Text: WideString read GetText write SetText;
  published
    property Hint: WideString read GetHint write SetHint stored IsHintStored;
  end;

{TNT-WARN TEdit}
  TTntEdit = class(TTntCustomEdit)
  published
    property Align;
    property Anchors;
    property AutoSelect;
    property AutoSize;
    property BevelEdges;
    property BevelInner;
    property BevelKind default bkNone;
    property BevelOuter;
    property BevelWidth;
    property BiDiMode;
    property BorderStyle;
    property CharCase;
    property Color;
    property Constraints;
    property Ctl3D;
    property DragCursor;
    property DragKind;
    property DragMode;
    property Enabled;
    property Font;
    property HideSelection;
    property ImeMode;
    property ImeName;
    property MaxLength;
    property OEMConvert;
    property ParentBiDiMode;
    property ParentColor;
    property ParentCtl3D;
    property ParentFont;
    property ParentShowHint;
    property PasswordChar;
    property PopupMenu;
    property ReadOnly;
    property ShowHint;
    property TabOrder;
    property TabStop;
    property Text;
    property Visible;
    property OnChange;
    property OnClick;
    property OnContextPopup;
    property OnDblClick;
    property OnDragDrop;
    property OnDragOver;
    property OnEndDock;
    property OnEndDrag;
    property OnEnter;
    property OnExit;
    property OnKeyDown;
    property OnKeyPress;
    property OnKeyUp;
    {$IFDEF COMPILER_9_UP}
    property OnMouseActivate;
    {$ENDIF}
    property OnMouseDown;
    {$IFDEF COMPILER_10_UP}
    property OnMouseEnter;
    property OnMouseLeave;
    {$ENDIF}
    property OnMouseMove;
    property OnMouseUp;
    property OnStartDock;
    property OnStartDrag;
  end;

type
  TTntCustomMemo = class;

  TTntMemoStrings = class(TTntStrings)
  protected
    FMemo: TCustomMemo{TNT-ALLOW TCustomMemo};
    FMemoLines: TStrings{TNT-ALLOW TStrings};
    FRichEditMode: Boolean;
    FLineBreakStyle: TTntTextLineBreakStyle;
    function Get(Index: Integer): WideString; override;
    function GetCount: Integer; override;
    function GetTextStr: WideString; override;
    procedure Put(Index: Integer; const S: WideString); override;
    procedure SetUpdateState(Updating: Boolean); override;
  public
    constructor Create;
    procedure SetTextStr(const Value: WideString); override;
    procedure Clear; override;
    procedure Delete(Index: Integer); override;
    procedure Insert(Index: Integer; const S: WideString); override;
  end;

{TNT-WARN TCustomMemo}
  TTntCustomMemo = class(TCustomMemo{TNT-ALLOW TCustomMemo})
  private
    FLines: TTntStrings;
    procedure SetSelText(const Value: WideString);
    function GetText: WideString;
    procedure SetText(const Value: WideString);
    function GetHint: WideString;
    procedure SetHint(const Value: WideString);
    function IsHintStored: Boolean;
  protected
    procedure CreateWindowHandle(const Params: TCreateParams); override;
    procedure DefineProperties(Filer: TFiler); override;
    function GetActionLinkClass: TControlActionLinkClass; override;
    procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
    procedure SetLines(const Value: TTntStrings); virtual;
    function GetSelStart: Integer; reintroduce; virtual;
    procedure SetSelStart(const Value: Integer); reintroduce; virtual;
    function GetSelLength: Integer; reintroduce; virtual;
    procedure SetSelLength(const Value: Integer); reintroduce; virtual;
    function GetSelText: WideString; reintroduce;
  public
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    property SelText: WideString read GetSelText write SetSelText;
    property SelStart: Integer read GetSelStart write SetSelStart;
    property SelLength: Integer read GetSelLength write SetSelLength;
    property Text: WideString read GetText write SetText;
    property Lines: TTntStrings read FLines write SetLines;
  published
    property Hint: WideString read GetHint write SetHint stored IsHintStored;
  end;

{TNT-WARN TMemo}
  TTntMemo = class(TTntCustomMemo)
  published
    property Align;
    property Alignment;
    property Anchors;
    property BevelEdges;
    property BevelInner;
    property BevelKind default bkNone;
    property BevelOuter;
    property BiDiMode;
    property BorderStyle;
    property Color;
    property Constraints;
    property Ctl3D;
    property DragCursor;
    property DragKind;
    property DragMode;
    property Enabled;
    property Font;
    property HideSelection;
    property ImeMode;
    property ImeName;
    property Lines;
    property MaxLength;
    property OEMConvert;
    property ParentBiDiMode;
    property ParentColor;
    property ParentCtl3D;
    property ParentFont;
    property ParentShowHint;
    property PopupMenu;
    property ReadOnly;
    property ScrollBars;
    property ShowHint;
    property TabOrder;
    property TabStop;
    property Visible;
    property WantReturns;
    property WantTabs;
    property WordWrap;
    property OnChange;
    property OnClick;
    property OnContextPopup;
    property OnDblClick;
    property OnDragDrop;
    property OnDragOver;
    property OnEndDock;
    property OnEndDrag;
    property OnEnter;
    property OnExit;
    property OnKeyDown;
    property OnKeyPress;
    property OnKeyUp;
    {$IFDEF COMPILER_9_UP}
    property OnMouseActivate;
    {$ENDIF}
    property OnMouseDown;
    {$IFDEF COMPILER_10_UP}
    property OnMouseEnter;
    property OnMouseLeave;
    {$ENDIF}
    property OnMouseMove;
    property OnMouseUp;
    property OnStartDock;
    property OnStartDrag;
  end;

  TTntComboBoxStrings = class(TTntStrings)
  protected
    function Get(Index: Integer): WideString; override;
    function GetCount: Integer; override;
    function GetObject(Index: Integer): TObject; override;
    procedure PutObject(Index: Integer; AObject: TObject); override;
    procedure SetUpdateState(Updating: Boolean); override;
  public
    ComboBox: TCustomComboBox{TNT-ALLOW TCustomComboBox};
    function Add(const S: WideString): Integer; override;
    procedure Clear; override;
    procedure Delete(Index: Integer); override;
    function IndexOf(const S: WideString): Integer; override;
    procedure Insert(Index: Integer; const S: WideString); override;
  end;

type
  TWMCharMsgHandler = procedure(var Message: TWMChar) of object;

{$IFDEF DELPHI_7} // fix for Delphi 7 only
{ TD7PatchedComboBoxStrings }
type
  TD7PatchedComboBoxStrings = class(TCustomComboBoxStrings)
  protected
    function Get(Index: Integer): string{TNT-ALLOW string}; override;
  public
    function Add(const S: string{TNT-ALLOW string}): Integer; override;
    procedure Insert(Index: Integer; const S: string{TNT-ALLOW string}); override;
  end;
{$ENDIF}

type
  ITntComboFindString = interface
    ['{63BEBEF4-B1A2-495A-B558-7487B66F6827}']
    function FindString(const Value: WideString; StartPos: Integer): Integer;
  end;

{TNT-WARN TCustomComboBox}
type
  TTntCustomComboBox = class(TCustomComboBox{TNT-ALLOW TCustomComboBox},
    IWideCustomListControl)
  private
    FItems: TTntStrings;
    FSaveItems: TTntStrings;
    FSaveItemIndex: Integer;
    FFilter: WideString;
    FLastTime: Cardinal;
    function GetItems: TTntStrings;
    function GetSelStart: Integer;
    procedure SetSelStart(const Value: Integer);
    function GetSelLength: Integer;
    procedure SetSelLength(const Value: Integer);
    function GetSelText: WideString;
    procedure SetSelText(const Value: WideString);
    function GetText: WideString;
    procedure SetText(const Value: WideString);
    procedure CNCommand(var Message: TWMCommand); message CN_COMMAND;
    function GetHint: WideString;
    procedure SetHint(const Value: WideString);
    function IsHintStored: Boolean;
    procedure WMChar(var Message: TWMChar); message WM_CHAR;
  protected
    procedure CreateWindowHandle(const Params: TCreateParams); override;
    procedure DefineProperties(Filer: TFiler); override;
    function GetActionLinkClass: TControlActionLinkClass; override;
    procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
    procedure DestroyWnd; override;
    function GetAutoComplete_UniqueMatchOnly: Boolean; dynamic;
    function GetAutoComplete_PreserveDataEntryCase: Boolean; dynamic;
    procedure DoEditCharMsg(var Message: TWMChar); virtual;
    procedure CreateWnd; override;
    procedure ComboWndProc(var Message: TMessage; ComboWnd: HWnd; ComboProc: Pointer); override;
    procedure DrawItem(Index: Integer; Rect: TRect; State: TOwnerDrawState); override;
    procedure KeyPress(var Key: AnsiChar); override;
    {$IFDEF DELPHI_7} // fix for Delphi 7 only
    function GetItemsClass: TCustomComboBoxStringsClass; override;
    {$ENDIF}
    procedure SetItems(const Value: TTntStrings); reintroduce; virtual;
  public
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    procedure CopySelection(Destination: TCustomListControl); override;
    procedure AddItem(const Item: WideString; AObject: TObject); reintroduce; virtual;
  public
    property SelText: WideString read GetSelText write SetSelText;
    property SelStart: Integer read GetSelStart write SetSelStart;
    property SelLength: Integer read GetSelLength write SetSelLength;
    property Text: WideString read GetText write SetText;
    property Items: TTntStrings read GetItems write SetItems;
  published
    property Hint: WideString read GetHint write SetHint stored IsHintStored;
  end;

{TNT-WARN TComboBox}
  TTntComboBox = class(TTntCustomComboBox)
  published
    property Align;
    property AutoComplete default True;
    {$IFDEF COMPILER_9_UP}
    property AutoCompleteDelay default 500;
    {$ENDIF}
    property AutoDropDown default False;
    {$IFDEF COMPILER_7_UP}
    property AutoCloseUp default False;
    {$ENDIF}
    property BevelEdges;
    property BevelInner;
    property BevelKind default bkNone;
    property BevelOuter;
    property Style; {Must be published before Items}
    property Anchors;
    property BiDiMode;
    property CharCase;
    property Color;
    property Constraints;
    property Ctl3D;
    property DragCursor;
    property DragKind;
    property DragMode;
    property DropDownCount;
    property Enabled;
    property Font;
    property ImeMode;
    property ImeName;
    property ItemHeight;
    property ItemIndex default -1;
    property MaxLength;
    property ParentBiDiMode;
    property ParentColor;
    property ParentCtl3D;
    property ParentFont;
    property ParentShowHint;
    property PopupMenu;
    property ShowHint;
    property Sorted;
    property TabOrder;
    property TabStop;
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