rxctrls.pas

RX Library contains a large number of components, objects and routines for Borland Delphi with full

    FLeftMargin: Integer;
    FRightMargin: Integer;
    FOnMouseEnter: TNotifyEvent;
    FOnMouseLeave: TNotifyEvent;
    procedure DoDrawText(var Rect: TRect; Flags: Word);
    function GetTransparent: Boolean;
    procedure UpdateTracking;
    procedure SetAlignment(Value: TAlignment);
    procedure SetFocusControl(Value: TWinControl);
    procedure SetLayout(Value: TTextLayout);
    procedure SetLeftMargin(Value: Integer);
    procedure SetRightMargin(Value: Integer);
    procedure SetShadowColor(Value: TColor);
    procedure SetShadowSize(Value: Byte);
    procedure SetShadowPos(Value: TShadowPosition);
    procedure SetShowAccelChar(Value: Boolean);
    procedure SetTransparent(Value: Boolean);
    procedure SetWordWrap(Value: Boolean);
    procedure SetShowFocus(Value: Boolean);
    procedure CMTextChanged(var Message: TMessage); message CM_TEXTCHANGED;
    procedure CMFocusChanged(var Message: TCMFocusChanged); message CM_FOCUSCHANGED;
    procedure CMFontChanged(var Message: TMessage); message CM_FONTCHANGED;
    procedure CMDialogChar(var Message: TCMDialogChar); message CM_DIALOGCHAR;
    procedure CMEnabledChanged(var Message: TMessage); message CM_ENABLEDCHANGED;
    procedure CMMouseEnter(var Message: TMessage); message CM_MOUSEENTER;
    procedure CMMouseLeave(var Message: TMessage); message CM_MOUSELEAVE;
    procedure CMVisibleChanged(var Message: TMessage); message CM_VISIBLECHANGED;
    procedure WMRButtonDown(var Message: TWMRButtonDown); message WM_RBUTTONDOWN;
    procedure WMRButtonUp(var Message: TWMRButtonUp); message WM_RBUTTONUP;
  protected
    procedure SetAutoSize(Value: Boolean); override;
    procedure AdjustBounds;
    function GetDefaultFontColor: TColor; virtual;
    function GetLabelCaption: string; virtual;
    procedure MouseDown(Button: TMouseButton; Shift: TShiftState;
      X, Y: Integer); override;
    procedure MouseUp(Button: TMouseButton; Shift: TShiftState;
      X, Y: Integer); override;
    procedure Notification(AComponent: TComponent; Operation: TOperation); override;
    procedure Paint; override;
    procedure MouseEnter; dynamic;
    procedure MouseLeave; dynamic;
    property Alignment: TAlignment read FAlignment write SetAlignment default taLeftJustify;
    property AutoSize: Boolean read FAutoSize write SetAutoSize default True;
    property FocusControl: TWinControl read FFocusControl write SetFocusControl;
    property Layout: TTextLayout read FLayout write SetLayout default tlTop;
    property LeftMargin: Integer read FLeftMargin write SetLeftMargin default 0;
    property RightMargin: Integer read FRightMargin write SetRightMargin default 0;
    property ShadowColor: TColor read FShadowColor write SetShadowColor default clBtnHighlight;
    property ShadowSize: Byte read FShadowSize write SetShadowSize default 1;
    property ShadowPos: TShadowPosition read FShadowPos write SetShadowPos default spLeftTop;
    property ShowAccelChar: Boolean read FShowAccelChar write SetShowAccelChar default True;
    property ShowFocus: Boolean read FShowFocus write SetShowFocus default False;
    property Transparent: Boolean read GetTransparent write SetTransparent default False;
    property WordWrap: Boolean read FWordWrap write SetWordWrap default False;
    property OnMouseEnter: TNotifyEvent read FOnMouseEnter write FOnMouseEnter;
    property OnMouseLeave: TNotifyEvent read FOnMouseLeave write FOnMouseLeave;
  public
    constructor Create(AOwner: TComponent); override;
    property Canvas;
    property MouseInControl: Boolean read FMouseInControl;
  end;

{ TRxLabel }

  TRxLabel = class(TRxCustomLabel)
  published
    property Align;
    property Alignment;
    property AutoSize;
    property Caption;
    property Color;
    property DragCursor;
    property DragMode;
    property Enabled;
    property FocusControl;
    property Font;
{$IFDEF RX_D4}
    property Anchors;
    property BiDiMode;
    property Constraints;
    property DragKind;
    property ParentBiDiMode;
{$ENDIF}
    property Layout;
    property ParentColor;
    property ParentFont;
    property ParentShowHint;
    property PopupMenu;
    property ShadowColor;
    property ShadowSize;
    property ShadowPos;
    property ShowAccelChar;
    property ShowFocus;
    property ShowHint;
    property Transparent;
    property Visible;
    property WordWrap;
    property OnClick;
    property OnDblClick;
    property OnDragDrop;
    property OnDragOver;
    property OnEndDrag;
    property OnMouseDown;
    property OnMouseMove;
    property OnMouseUp;
    property OnMouseEnter;
    property OnMouseLeave;
{$IFDEF WIN32}
    property OnStartDrag;
{$ENDIF}
{$IFDEF RX_D5}
    property OnContextPopup;
{$ENDIF}
{$IFDEF RX_D4}
    property OnEndDock;
    property OnStartDock;
{$ENDIF}
  end;

{ TSecretPanel }

  TGlyphLayout = (glGlyphLeft, glGlyphRight, glGlyphTop, glGlyphBottom);
  TScrollDirection = (sdVertical, sdHorizontal);
  TPanelDrawEvent = procedure(Sender: TObject; Canvas: TCanvas;
    Rect: TRect) of object;

  TSecretPanel = class(TCustomPanel)
  private
    FActive: Boolean;
    FAlignment: TAlignment;
    FLines: TStrings;
    FCycled: Boolean;
    FScrollCnt: Integer;
    FMaxScroll: Integer;
    FTxtDivider: Byte;
    FFirstLine: Integer;
    FTimer: TRxTimer;
    FTxtRect: TRect;
    FPaintRect: TRect;
    FGlyphOrigin: TPoint;
    FMemoryImage: TBitmap;
    FGlyph: TBitmap;
    FHiddenList: TList;
    FTextStyle: TPanelBevel;
    FDirection: TScrollDirection;
    FGlyphLayout: TGlyphLayout;
    FOnPaintClient: TPanelDrawEvent;
    FOnStartPlay: TNotifyEvent;
    FOnStopPlay: TNotifyEvent;
{$IFDEF RX_D3}
    FAsyncDrawing: Boolean;
    procedure SetAsyncDrawing(Value: Boolean);
{$ENDIF}
    function GetInflateWidth: Integer;
    function GetInterval: Cardinal;
    procedure SetInterval(Value: Cardinal);
    procedure SetGlyph(Value: TBitmap);
    procedure SetLines(Value: TStrings);
    procedure SetActive(Value: Boolean);
    procedure SetAlignment(Value: TAlignment);
    procedure SetGlyphLayout(Value: TGlyphLayout);
    procedure SetTextStyle(Value: TPanelBevel);
    procedure SetDirection(Value: TScrollDirection);
    procedure RecalcDrawRect;
    procedure PaintGlyph;
    procedure PaintText;
    procedure UpdateMemoryImage;
    procedure GlyphChanged(Sender: TObject);
    procedure LinesChanged(Sender: TObject);
    procedure CMFontChanged(var Message: TMessage); message CM_FONTCHANGED;
    procedure CMColorChanged(var Message: TMessage); message CM_COLORCHANGED;
    procedure WMSize(var Message: TMessage); message WM_SIZE;
  protected
    procedure AlignControls(AControl: TControl; var Rect: TRect); override;
    procedure Paint; override;
    procedure PaintClient(Canvas: TCanvas; Rect: TRect); virtual;
    procedure TimerExpired(Sender: TObject); virtual;
    procedure StartPlay; dynamic;
    procedure StopPlay; dynamic;
  public
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    procedure Play;
    procedure Stop;
    property Canvas;
  published
{$IFDEF RX_D3}
    property AsyncDrawing: Boolean read FAsyncDrawing write SetAsyncDrawing default True;
{$ENDIF}
    property Active: Boolean read FActive write SetActive default False;
    property Alignment: TAlignment read FAlignment write SetAlignment default taCenter;
    property Cycled: Boolean read FCycled write FCycled default False;
    property Glyph: TBitmap read FGlyph write SetGlyph;
    property GlyphLayout: TGlyphLayout read FGlyphLayout write SetGlyphLayout
      default glGlyphLeft;
    property Interval: Cardinal read GetInterval write SetInterval default 30;
    property Lines: TStrings read FLines write SetLines;
    property ScrollDirection: TScrollDirection read FDirection write SetDirection
      default sdVertical;
    property TextStyle: TPanelBevel read FTextStyle write SetTextStyle default bvNone;
{$IFDEF RX_D4}
    property Anchors;
    property BiDiMode;
    property Constraints;
    property DragKind;
    property ParentBiDiMode;
{$ENDIF}
    property Align;
    property BevelInner;
    property BevelOuter default bvLowered;
    property BevelWidth;
    property BorderWidth;
    property BorderStyle;
    property DragCursor;
    property DragMode;
    property Color;
    property Ctl3D;
    property Font;
    property ParentColor;
    property ParentCtl3D;
    property ParentFont;
    property ParentShowHint;
    property PopupMenu;
    property ShowHint;
    property TabOrder;
    property TabStop;
    property Visible;
    property OnPaintClient: TPanelDrawEvent read FOnPaintClient write FOnPaintClient;
    property OnStartPlay: TNotifyEvent read FOnStartPlay write FOnStartPlay;
    property OnStopPlay: TNotifyEvent read FOnStopPlay write FOnStopPlay;
    property OnClick;
    property OnDblClick;
    property OnDragDrop;
    property OnDragOver;
    property OnEndDrag;
    property OnEnter;
    property OnExit;
    property OnMouseDown;
    property OnMouseMove;
    property OnMouseUp;
{$IFDEF WIN32}
    property OnStartDrag;
{$ENDIF}
{$IFDEF RX_D5}
    property OnContextPopup;
{$ENDIF}
{$IFDEF RX_D4}
    property OnEndDock;
    property OnStartDock;
{$ENDIF}
    property OnResize;
  end;

{ TRxSpeedButton }

  TRxNumGlyphs = 1..5;
  TRxDropDownMenuPos = (dmpBottom, dmpRight);
  TRxButtonState = (rbsUp, rbsDisabled, rbsDown, rbsExclusive, rbsInactive);

  TRxSpeedButton = class(TGraphicControl)
  private
    FGroupIndex: Integer;
    FStyle: TButtonStyle;
    FGlyph: Pointer;
    FDrawImage: TBitmap;
    FDown: Boolean;
    FDragging: Boolean;
    FFlat: Boolean;
    FMouseInControl: Boolean;
    FAllowAllUp: Boolean;
    FLayout: TButtonLayout;
    FSpacing: Integer;
    FMargin: Integer;
    FModalResult: TModalResult;
    FTransparent: Boolean;
    FMarkDropDown: Boolean;
    FDropDownMenu: TPopupMenu;
    FMenuPosition: TRxDropDownMenuPos;
    FInactiveGrayed: Boolean;
    FMenuTracking: Boolean;
    FRepeatTimer: TTimer;
    FAllowTimer: Boolean;
    FInitRepeatPause: Word;
    FRepeatPause: Word;
    FOnMouseEnter: TNotifyEvent;
    FOnMouseLeave: TNotifyEvent;
    procedure GlyphChanged(Sender: TObject);
    procedure UpdateExclusive;
    function GetGlyph: TBitmap;
    procedure SetGlyph(Value: TBitmap);
    function GetNumGlyphs: TRxNumGlyphs;
    procedure SetNumGlyphs(Value: TRxNumGlyphs);
    function GetWordWrap: Boolean;
    procedure SetWordWrap(Value: Boolean);
    function GetAlignment: TAlignment;
    procedure SetAlignment(Value: TAlignment);
    procedure SetDown(Value: Boolean);
    procedure SetAllowAllUp(Value: Boolean);
    procedure SetGroupIndex(Value: Integer);
    procedure SetLayout(Value: TButtonLayout);
    procedure SetSpacing(Value: Integer);
    procedure SetMargin(Value: Integer);
    procedure SetDropDownMenu(Value: TPopupMenu);
    procedure SetFlat(Value: Boolean);
    procedure SetStyle(Value: TButtonStyle);
    procedure SetInactiveGrayed(Value: Boolean);
    procedure SetTransparent(Value: Boolean);
    procedure SetMarkDropDown(Value: Boolean);
    procedure TimerExpired(Sender: TObject);
    procedure SetAllowTimer(Value: Boolean);
    function CheckMenuDropDown(const Pos: TSmallPoint;
      Manual: Boolean): Boolean;
    procedure DoMouseUp(Button: TMouseButton; Shift: TShiftState;
      X, Y: Integer);
    procedure CMButtonPressed(var Message: TMessage); message CM_RXBUTTONPRESSED;
    procedure CMDialogChar(var Message: TCMDialogChar); message CM_DIALOGCHAR;
    procedure CMEnabledChanged(var Message: TMessage); message CM_ENABLEDCHANGED;
    procedure CMFontChanged(var Message: TMessage); message CM_FONTCHANGED;
    procedure CMMouseEnter(var Message: TMessage); message CM_MOUSEENTER;
    procedure CMMouseLeave(var Message: TMessage); message CM_MOUSELEAVE;
    procedure CMSysColorChange(var Message: TMessage); message CM_SYSCOLORCHANGE;
    procedure CMTextChanged(var Message: TMessage); message CM_TEXTCHANGED;
    procedure CMVisibleChanged(var Message: TMessage); message CM_VISIBLECHANGED;
    procedure WMLButtonDblClk(var Message: TWMLButtonDown); message WM_LBUTTONDBLCLK;
    procedure WMMouseMove(var Message: TMessage); message WM_MOUSEMOVE;
    procedure WMRButtonDown(var Message: TWMRButtonDown); message WM_RBUTTONDOWN;
    procedure WMRButtonUp(var Message: TWMRButtonUp); message WM_RBUTTONUP;
  protected
    FState: TRxButtonState;
{$IFDEF RX_D4}
    procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
{$ENDIF}
    function GetDropDownMenuPos: TPoint;
    function GetPalette: HPALETTE; override;
    procedure Paint; override;
    procedure Loaded; override;
    procedure PaintGlyph(Canvas: TCanvas; ARect: TRect; AState: TRxButtonState;
      DrawMark: Boolean); virtual;
    procedure MouseEnter; dynamic;
    procedure MouseLeave; dynamic;
    procedure MouseDown(Button: TMouseButton; Shift: TShiftState;
      X, Y: Integer); override;
    procedure MouseMove(Shift: TShiftState; X, Y: Integer); override;
    procedure MouseUp(Button: TMouseButton; Shift: TShiftState;
      X, Y: Integer); override;
    procedure Notification(AComponent: TComponent;
      Operation: TOperation); override;
    property ButtonGlyph: Pointer read FGlyph;
  public
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    procedure ButtonClick;
    function CheckBtnMenuDropDown: Boolean;
    procedure Click; override;
    procedure UpdateTracking;
  published
{$IFDEF RX_D4}
    property Action;
    property Anchors;
    property BiDiMode;
    property Constraints;
    property DragKind;
    property ParentBiDiMode;
{$ENDIF}
    property Alignment: TAlignment read GetAlignment write SetAlignment default taCenter;
    property AllowAllUp: Boolean read FAllowAllUp write SetAllowAllUp default False;
    property AllowTimer: Boolean read FAllowTimer write SetAllowTimer default False;
    property GroupIndex: Integer read FGroupIndex write SetGroupIndex default 0;
    { Ensure group index is declared before Down }
    property Down: Boolean read FDown write SetDown default False;
    property DropDownMenu: TPopupMenu read FDropDownMenu write SetDropDownMenu;
    property MenuPosition: TRxDropDownMenuPos read FMenuPosition write FMenuPosition
      default dmpBottom;
    property Caption;
    property DragCursor;
    property DragMode;
    property Enabled;
    property Flat: Boolean read FFlat write SetFlat default False;
    property Font;
    property Glyph: TBitmap read GetGlyph write SetGlyph;
    property GrayedInactive: Boolean read FInactiveGrayed write SetInactiveGrayed
      default True;
    property InitPause: Word read FInitRepeatPause write FInitRepeatPause default 500;
    property Layout: TButtonLayout read FLayout write SetLayout default blGlyphTop;
    property Margin: Integer read FMargin write SetMargin default -1;
    property MarkDropDown: Boolean read FMarkDropDown write SetMarkDropDown default True;
    property ModalResult: TModalResult read FModalResult write FModalResult default 0;
    property NumGlyphs: TRxNumGlyphs read GetNumGlyphs write SetNumGlyphs default 1;
    property ParentFont;
    property ParentShowHint default False;
    property RepeatInterval: Word read FRepeatPause write FRepeatPause default 100;
    property ShowHint default True;
    property Spacing: Integer read FSpacing write SetSpacing default 1;
    property Style: TButtonStyle read FStyle write SetStyle default bsAutoDetect;
    property Transparent: Boolean read FTransparent write SetTransparent default False;
    property WordWrap: Boolean read GetWordWrap write SetWordWrap default False;
    property Visible;
    property OnMouseEnter: TNotifyEvent read FOnMouseEnter write FOnMouseEnter;
    property OnMouseLeave: TNotifyEvent read FOnMouseLeave write FOnMouseLeave;
    property OnClick;
    property OnDblClick;
    property OnDragDrop;
    property OnDragOver;
    property OnEndDrag;
    property OnMouseDown;
    property OnMouseMove;
    property OnMouseUp;
{$IFDEF WIN32}
    property OnStartDrag;