david
fd289722e5
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@29 05c56307-c608-d34a-929d-697000501d7a
1477 lines
52 KiB
ObjectPascal
1477 lines
52 KiB
ObjectPascal
{*******************************************************************}
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{ }
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{ ExpressWeb Framework by Developer Express }
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{ Designer Module }
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{ }
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{ Copyright (c) 2000-2008 Developer Express Inc. }
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{ ALL RIGHTS RESERVED }
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{ }
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{ The entire contents of this file is protected by U.S. and }
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{ International Copyright Laws. Unauthorized reproduction, }
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{ reverse-engineering, and distribution of all or any portion of }
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{ the code contained in this file is strictly prohibited and may }
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{ result in severe civil and criminal penalties and will be }
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{ prosecuted to the maximum extent possible under the law. }
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{ }
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{ RESTRICTIONS }
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{ }
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{ THIS SOURCE CODE AND ALL RESULTING INTERMEDIATE FILES }
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{ (DCU, OBJ, DLL, ETC.) ARE CONFIDENTIAL AND PROPRIETARY TRADE }
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{ SECRETS OF DEVELOPER EXPRESS INC. THE REGISTERED DEVELOPER IS }
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{ LICENSED TO DISTRIBUTE THE EXPRESSWEB FRAMEWORK AND ALL }
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{ ACCOMPANYING VCL CLASSES AS PART OF AN EXECUTABLE WEB }
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{ APPLICATION ONLY. }
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{ }
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{ THE SOURCE CODE CONTAINED WITHIN THIS FILE AND ALL RELATED }
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{ FILES OR ANY PORTION OF ITS CONTENTS SHALL AT NO TIME BE }
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{ COPIED, TRANSFERRED, SOLD, DISTRIBUTED, OR OTHERWISE MADE }
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{ AVAILABLE TO OTHER INDIVIDUALS WITHOUT EXPRESS WRITTEN CONSENT }
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{ AND PERMISSION FROM DEVELOPER EXPRESS INC. }
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{ }
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{ CONSULT THE END USER LICENSE AGREEMENT FOR INFORMATION ON }
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{ ADDITIONAL RESTRICTIONS. }
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{ }
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{*******************************************************************}
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unit cxWebHTMLEvents;
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interface
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uses Classes, Windows, MSHTML_TLB,
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cxWebHTMLEdIntf;
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type
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TcxHTMLEventSinkClass = class of TcxCustomHTMLEventSink;
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TcxHTMLProcEvent = procedure(const AEventObject: IHTMLEventObj) of object;
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TcxHTMLFuncEvent = function(const AEventObject: IHTMLEventObj): WordBool of object;
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TcxCustomEventSink = class(TInterfacedObject, IUnknown, IDispatch, IcxEventSink)
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private
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FCookie: Integer;
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FSource: IUnknown;
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protected
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function SinkIID: TGUID; virtual;
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{ IUnknown }
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function QueryInterface(const IID: TGUID; out Obj): HResult; stdcall;
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{ IDispatch }
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function GetTypeInfoCount(out Count: Integer): HResult; stdcall;
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function GetTypeInfo(Index, LocaleID: Integer; out TypeInfo): HResult; stdcall;
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function GetIDsOfNames(const IID: TGUID; Names: Pointer;
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NameCount, LocaleID: Integer; DispIDs: Pointer): HResult; stdcall;
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function Invoke(DispID: Integer; const IID: TGUID; LocaleID: Integer;
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Flags: Word; var Params; VarResult, ExcepInfo, ArgErr: Pointer): HResult; stdcall;
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{ IcxEventSink }
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procedure Connect(const ASource: IUnknown);
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procedure Disconnect;
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procedure ImplConnect(const ASource: IUnknown); virtual;
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procedure ImplDisconnect; virtual;
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function GetSource: IUnknown;
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property Source: IUnknown read FSource;
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end;
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TcxCustomHTMLEventSink = class(TcxCustomEventSink, IDispatch)
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private
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FBehavior: IcxHTMLBehavior;
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FOnHelp: TcxHTMLFuncEvent;
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FOnClick: TcxHTMLFuncEvent;
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FOnDblClick: TcxHTMLFuncEvent;
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FOnKeyPress: TcxHTMLFuncEvent;
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FOnKeyDown: TcxHTMLProcEvent;
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FOnKeyUp: TcxHTMLProcEvent;
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FOnMouseOut: TcxHTMLProcEvent;
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FOnMouseOver: TcxHTMLProcEvent;
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FOnMouseMove: TcxHTMLProcEvent;
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FOnMouseDown: TcxHTMLProcEvent;
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FOnMouseUp: TcxHTMLProcEvent;
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FOnSelectStart: TcxHTMLFuncEvent;
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FOnFilterChange: TcxHTMLProcEvent;
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FOnDragStart: TcxHTMLFuncEvent;
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FOnBeforeUpdate: TcxHTMLFuncEvent;
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FOnAfterUpdate: TcxHTMLProcEvent;
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FOnErrorUpdate: TcxHTMLFuncEvent;
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FOnRowExit: TcxHTMLFuncEvent;
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FOnRowEnter: TcxHTMLProcEvent;
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FOnDatasetChanged: TcxHTMLProcEvent;
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FOnDataAvailable: TcxHTMLProcEvent;
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FOnDatasetComplete: TcxHTMLProcEvent;
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FOnLoseCapture: TcxHTMLProcEvent;
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FOnPropertyChange: TcxHTMLProcEvent;
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FOnScroll: TcxHTMLProcEvent;
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FOnFocus: TcxHTMLProcEvent;
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FOnBlur: TcxHTMLProcEvent;
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FOnResize: TcxHTMLProcEvent;
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FOnDrag: TcxHTMLFuncEvent;
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FOnDragEnd: TcxHTMLProcEvent;
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FOnDragEnter: TcxHTMLFuncEvent;
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FOnDragOver: TcxHTMLFuncEvent;
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FOnDragLeave: TcxHTMLProcEvent;
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FOnDrop: TcxHTMLFuncEvent;
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FOnBeforeCut: TcxHTMLFuncEvent;
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FOnCut: TcxHTMLFuncEvent;
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FOnBeforeCopy: TcxHTMLFuncEvent;
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FOnCopy: TcxHTMLFuncEvent;
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FOnBeforePaste: TcxHTMLFuncEvent;
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FOnPaste: TcxHTMLFuncEvent;
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FOnContextMenu: TcxHTMLFuncEvent;
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FOnRowsDelete: TcxHTMLProcEvent;
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FOnRowsInserted: TcxHTMLProcEvent;
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FOnCellChange: TcxHTMLProcEvent;
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FOnReadyStateChange: TcxHTMLProcEvent;
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FOnBeforeEditFocus: TcxHTMLProcEvent;
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FOnLayoutComplete: TcxHTMLProcEvent;
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FOnPage: TcxHTMLProcEvent;
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FOnMouseEnter: TcxHTMLProcEvent;
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FOnMouseLeave: TcxHTMLProcEvent;
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FOnActivate: TcxHTMLProcEvent;
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FOnDeactivate: TcxHTMLProcEvent;
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FOnBeforeDeactivate: TcxHTMLFuncEvent;
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FOnBeforeActivate: TcxHTMLFuncEvent;
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FOnFocusIn: TcxHTMLProcEvent;
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FOnFocusOut: TcxHTMLProcEvent;
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FOnMove: TcxHTMLProcEvent;
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FOnControlSelect: TcxHTMLFuncEvent;
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FOnMoveStart: TcxHTMLFuncEvent;
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FOnMoveEnd: TcxHTMLProcEvent;
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FOnResizeStart: TcxHTMLFuncEvent;
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FOnResizeEnd: TcxHTMLProcEvent;
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FOnMouseWheel: TcxHTMLFuncEvent;
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protected
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{ IDispatch }
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function Invoke(DispID: Integer; const IID: TGUID; LocaleID: Integer;
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Flags: Word; var Params; VarResult, ExcepInfo, ArgErr: Pointer): HResult; stdcall;
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function DoHTMLEvent(const AEventObject: IHTMLEventObj; AMemberID: Integer;
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var AResult: Variant): HRESULT; virtual;
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function DoHelp(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoClick(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoDblClick(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoKeyPress(const AEventObject: IHTMLEventObj): Boolean; virtual;
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procedure DoKeyDown(const AEventObject: IHTMLEventObj); virtual;
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procedure DoKeyUp(const AEventObject: IHTMLEventObj); virtual;
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procedure DoMouseOut(const AEventObject: IHTMLEventObj); virtual;
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procedure DoMouseOver(const AEventObject: IHTMLEventObj); virtual;
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procedure DoMouseMove(const AEventObject: IHTMLEventObj); virtual;
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procedure DoMouseDown(const AEventObject: IHTMLEventObj); virtual;
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procedure DoMouseUp(const AEventObject: IHTMLEventObj); virtual;
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function DoSelectStart(const AEventObject: IHTMLEventObj): Boolean; virtual;
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procedure DoFilterChange(const AEventObject: IHTMLEventObj); virtual;
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function DoBeforeUpdate(const AEventObject: IHTMLEventObj): Boolean; virtual;
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procedure DoAfterUpdate(const AEventObject: IHTMLEventObj); virtual;
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function DoErrorUpdate(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoRowExit(const AEventObject: IHTMLEventObj): Boolean; virtual;
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procedure DoRowEnter(const AEventObject: IHTMLEventObj); virtual;
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procedure DoDatasetChanged(const AEventObject: IHTMLEventObj); virtual;
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procedure DoDataAvailable(const AEventObject: IHTMLEventObj); virtual;
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procedure DoDatasetComplete(const AEventObject: IHTMLEventObj); virtual;
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procedure DoLoseCapture(const AEventObject: IHTMLEventObj); virtual;
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procedure DoPropertyChange(const AEventObject: IHTMLEventObj); virtual;
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procedure DoScroll(const AEventObject: IHTMLEventObj); virtual;
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procedure DoFocus(const AEventObject: IHTMLEventObj); virtual;
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procedure DoBlur(const AEventObject: IHTMLEventObj); virtual;
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procedure DoResize(const AEventObject: IHTMLEventObj); virtual;
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function DoDragStart(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoDrag(const AEventObject: IHTMLEventObj): Boolean; virtual;
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procedure DoDragEnd(const AEventObject: IHTMLEventObj); virtual;
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function DoDragEnter(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoDragOver(const AEventObject: IHTMLEventObj): Boolean; virtual;
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procedure DoDragLeave(const AEventObject: IHTMLEventObj); virtual;
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function DoDrop(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoBeforeCut(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoCut(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoBeforeCopy(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoCopy(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoBeforePaste(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoPaste(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoContextMenu(const AEventObject: IHTMLEventObj): Boolean; virtual;
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procedure DoRowsDelete(const AEventObject: IHTMLEventObj); virtual;
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procedure DoRowsInserted(const AEventObject: IHTMLEventObj); virtual;
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procedure DoCellChange(const AEventObject: IHTMLEventObj); virtual;
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procedure DoReadyStateChange(const AEventObject: IHTMLEventObj); virtual;
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procedure DoBeforeEditFocus(const AEventObject: IHTMLEventObj); virtual;
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procedure DoLayoutComplete(const AEventObject: IHTMLEventObj); virtual;
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procedure DoPage(const AEventObject: IHTMLEventObj); virtual;
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procedure DoMouseEnter(const AEventObject: IHTMLEventObj); virtual;
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procedure DoMouseLeave(const AEventObject: IHTMLEventObj); virtual;
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procedure DoActivate(const AEventObject: IHTMLEventObj); virtual;
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procedure DoDeactivate(const AEventObject: IHTMLEventObj); virtual;
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function DoBeforeDeactivate(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoBeforeActivate(const AEventObject: IHTMLEventObj): Boolean; virtual;
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procedure DoFocusIn(const AEventObject: IHTMLEventObj); virtual;
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procedure DoFocusOut(const AEventObject: IHTMLEventObj); virtual;
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procedure DoMove(const AEventObject: IHTMLEventObj); virtual;
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function DoControlSelect(const AEventObject: IHTMLEventObj): Boolean; virtual;
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function DoMoveStart(const AEventObject: IHTMLEventObj): Boolean; virtual;
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procedure DoMoveEnd(const AEventObject: IHTMLEventObj); virtual;
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function DoResizeStart(const AEventObject: IHTMLEventObj): Boolean; virtual;
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procedure DoResizeEnd(const AEventObject: IHTMLEventObj); virtual;
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function DoMouseWheel(const AEventObject: IHTMLEventObj): Boolean; virtual;
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public
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constructor Create(ABehavior: IcxHTMLBehavior); virtual;
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property Behavior: IcxHTMLBehavior read FBehavior;
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property OnHelp: TcxHTMLFuncEvent read FOnHelp write FOnHelp;
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property OnClick: TcxHTMLFuncEvent read FOnClick write FOnClick;
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property OnDblClick: TcxHTMLFuncEvent read FOnDblClick write FOnDblClick;
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property OnKeyPress: TcxHTMLFuncEvent read FOnKeyPress write FOnKeyPress;
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property OnKeyDown: TcxHTMLProcEvent read FOnKeyDown write FOnKeyDown;
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property OnKeyUp: TcxHTMLProcEvent read FOnKeyUp write FOnKeyUp;
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property OnMouseOut: TcxHTMLProcEvent read FOnMouseOut write FOnMouseOut;
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property OnMouseOver: TcxHTMLProcEvent read FOnMouseOver write FOnMouseOver;
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property OnMouseMove: TcxHTMLProcEvent read FOnMouseMove write FOnMouseMove;
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property OnMouseDown: TcxHTMLProcEvent read FOnMouseDown write FOnMouseDown;
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property OnMouseUp: TcxHTMLProcEvent read FOnMouseUp write FOnMouseUp;
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property OnSelectStart: TcxHTMLFuncEvent read FOnSelectStart write FOnSelectStart;
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property OnFilterChange: TcxHTMLProcEvent read FOnFilterChange write FOnFilterChange;
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property OnDragStart: TcxHTMLFuncEvent read FOnDragStart write FOnDragStart;
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property OnBeforeUpdate: TcxHTMLFuncEvent read FOnBeforeUpdate write FOnBeforeUpdate;
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property OnAfterUpdate: TcxHTMLProcEvent read FOnAfterUpdate write FOnAfterUpdate;
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property OnErrorUpdate: TcxHTMLFuncEvent read FOnErrorUpdate write FOnErrorUpdate;
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property OnRowExit: TcxHTMLFuncEvent read FOnRowExit write FOnRowExit;
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property OnRowEnter: TcxHTMLProcEvent read FOnRowEnter write FOnRowEnter;
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property OnDatasetChanged: TcxHTMLProcEvent read FOnDatasetChanged write FOnDatasetChanged;
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property OnDataAvailable: TcxHTMLProcEvent read FOnDataAvailable write FOnDataAvailable;
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property OnDatasetComplete: TcxHTMLProcEvent read FOnDatasetComplete write FOnDatasetComplete;
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property OnLoseCapture: TcxHTMLProcEvent read FOnLoseCapture write FOnLoseCapture;
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property OnPropertyChange: TcxHTMLProcEvent read FOnPropertyChange write FOnPropertyChange;
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property OnScroll: TcxHTMLProcEvent read FOnScroll write FOnScroll;
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property OnFocus: TcxHTMLProcEvent read FOnFocus write FOnFocus;
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property OnBlur: TcxHTMLProcEvent read FOnBlur write FOnBlur;
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property OnResize: TcxHTMLProcEvent read FOnResize write FOnResize;
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property OnDrag: TcxHTMLFuncEvent read FOnDrag write FOnDrag;
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property OnDragEnd: TcxHTMLProcEvent read FOnDragEnd write FOnDragEnd;
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property OnDragEnter: TcxHTMLFuncEvent read FOnDragEnter write FOnDragEnter;
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property OnDragOver: TcxHTMLFuncEvent read FOnDragOver write FOnDragOver;
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property OnDragLeave: TcxHTMLProcEvent read FOnDragLeave write FOnDragLeave;
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property OnDrop: TcxHTMLFuncEvent read FOnDrop write FOnDrop;
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property OnBeforeCut: TcxHTMLFuncEvent read FOnBeforeCut write FOnBeforeCut;
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property OnCut: TcxHTMLFuncEvent read FOnCut write FOnCut;
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property OnBeforeCopy: TcxHTMLFuncEvent read FOnBeforeCopy write FOnBeforeCopy;
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property OnCopy: TcxHTMLFuncEvent read FOnCopy write FOnCopy;
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property OnBeforePaste: TcxHTMLFuncEvent read FOnBeforePaste write FOnBeforePaste;
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property OnPaste: TcxHTMLFuncEvent read FOnPaste write FOnPaste;
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property OnContextMenu: TcxHTMLFuncEvent read FOnContextMenu write FOnContextMenu;
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property OnRowsDelete: TcxHTMLProcEvent read FOnRowsDelete write FOnRowsDelete;
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property OnRowsInserted: TcxHTMLProcEvent read FOnRowsInserted write FOnRowsInserted;
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property OnCellChange: TcxHTMLProcEvent read FOnCellChange write FOnCellChange;
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property OnReadyStateChange: TcxHTMLProcEvent read FOnReadyStateChange write FOnReadyStateChange;
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property OnBeforeEditFocus: TcxHTMLProcEvent read FOnBeforeEditFocus write FOnBeforeEditFocus;
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property OnLayoutComplete: TcxHTMLProcEvent read FOnLayoutComplete write FOnLayoutComplete;
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property OnPage: TcxHTMLProcEvent read FOnPage write FOnPage;
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property OnMouseEnter: TcxHTMLProcEvent read FOnMouseEnter write FOnMouseEnter;
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property OnMouseLeave: TcxHTMLProcEvent read FOnMouseLeave write FOnMouseLeave;
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property OnActivate: TcxHTMLProcEvent read FOnActivate write FOnActivate;
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property OnDeactivate: TcxHTMLProcEvent read FOnDeactivate write FOnDeactivate;
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property OnBeforeDeactivate: TcxHTMLFuncEvent read FOnBeforeDeactivate write FOnBeforeDeactivate;
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property OnBeforeActivate: TcxHTMLFuncEvent read FOnBeforeActivate write FOnBeforeActivate;
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property OnFocusIn: TcxHTMLProcEvent read FOnFocusIn write FOnFocusIn;
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property OnFocusOut: TcxHTMLProcEvent read FOnFocusOut write FOnFocusOut;
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property OnMove: TcxHTMLProcEvent read FOnMove write FOnMove;
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property OnControlSelect: TcxHTMLFuncEvent read FOnControlSelect write FOnControlSelect;
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property OnMoveStart: TcxHTMLFuncEvent read FOnMoveStart write FOnMoveStart;
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property OnMoveEnd: TcxHTMLProcEvent read FOnMoveEnd write FOnMoveEnd;
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property OnResizeStart: TcxHTMLFuncEvent read FOnResizeStart write FOnResizeStart;
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property OnResizeEnd: TcxHTMLProcEvent read FOnResizeEnd write FOnResizeEnd;
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property OnMouseWheel: TcxHTMLFuncEvent read FOnMouseWheel write FOnMouseWheel;
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end;
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TcxHTMLDocEventSink = class(TcxCustomHTMLEventSink)
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private
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FOnSelectionChange: TcxHTMLProcEvent;
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FOnStop: TcxHTMLFuncEvent;
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protected
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function SinkIID: TGUID; override;
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function DoHTMLEvent(const AEventObject: IHTMLEventObj; AMemberID: Integer;
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var AResult: Variant): HRESULT; override;
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procedure DoSelectionChange(const AEventObject: IHTMLEventObj); virtual;
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function DoStop(const AEventObject: IHTMLEventObj): Boolean; virtual;
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procedure DoBeforeEditFocus(const AEventObject: IHTMLEventObj); override;
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public
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property OnSelectionChange: TcxHTMLProcEvent read FOnSelectionChange write FOnSelectionChange;
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property OnStop: TcxHTMLFuncEvent read FOnStop write FOnStop;
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end;
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TcxHTMLEWFCtrlEventSink = class(TcxCustomHTMLEventSink)
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private
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FResizing: Boolean;
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protected
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procedure DoBeforeEditFocus(const AEventObject: IHTMLEventObj); override;
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procedure DoResizeEnd(const AEventObject: IHTMLEventObj); override;
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function DoResizeStart(const AEventObject: IHTMLEventObj): Boolean; override;
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public
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property IsResizing: Boolean read FResizing;
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end;
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TcxHTMLSelectState = (hssNone, hssStart, hssSelecting);
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TcxHTMLSelectRegionSink = class(TcxCustomHTMLEventSink)
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private
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FState: TcxHTMLSelectState;
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FSelectingRect: TRect;
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FOnRectSelect: TcxHTMLRegionSelectEvent;
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FDeltaX: Integer;
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FDeltaY: Integer;
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function GetNormalSelectRect: TRect;
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procedure Snap(const ACurValue, ADelta: Integer; var ANewValue: Integer);
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protected
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function SinkIID: TGUID; override;
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procedure DoMouseDown(const AEventObject: IHTMLEventObj); override;
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procedure DoMouseMove(const AEventObject: IHTMLEventObj); override;
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procedure DoMouseUp(const AEventObject: IHTMLEventObj); override;
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procedure DoBeforeEditFocus(const AEventObject: IHTMLEventObj); override;
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procedure DoRectSelect(const AEventObject: IHTMLEventObj; const ARect: TRect); virtual;
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function IsOwnEvent(const AEventObject: IHTMLEventObj): Boolean;
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public
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property NormalSelectRect: TRect read GetNormalSelectRect;
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property OnRectSelect: TcxHTMLRegionSelectEvent read FOnRectSelect write FOnRectSelect;
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property State: TcxHTMLSelectState read FState;
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end;
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function IsDocumentReady(ADocument: IHTMLDocument2): Boolean;
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function IsPointInClient(const AElement: IHTMLElement; const X, Y: Integer): Boolean;
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function GetClientRect(const AElement: IHTMLElement; var ARect: TRect): Boolean;
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const
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DISPID_HTMLELEMENTEVENTS2_ONHELP = -2147418102;
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DISPID_HTMLELEMENTEVENTS2_ONCLICK = -600;
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DISPID_HTMLELEMENTEVENTS2_ONDBLCLICK = -601;
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DISPID_HTMLELEMENTEVENTS2_ONKEYPRESS = -603;
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DISPID_HTMLELEMENTEVENTS2_ONKEYDOWN = -602;
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DISPID_HTMLELEMENTEVENTS2_ONKEYUP = -604;
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DISPID_HTMLELEMENTEVENTS2_ONMOUSEOUT = -2147418103;
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DISPID_HTMLELEMENTEVENTS2_ONMOUSEOVER = -2147418104;
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DISPID_HTMLELEMENTEVENTS2_ONMOUSEMOVE = -606;
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DISPID_HTMLELEMENTEVENTS2_ONMOUSEDOWN = -605;
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DISPID_HTMLELEMENTEVENTS2_ONMOUSEUP = -607;
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DISPID_HTMLELEMENTEVENTS2_ONSELECTSTART = -2147418100;
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DISPID_HTMLELEMENTEVENTS2_ONFILTERCHANGE = -2147418095;
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DISPID_HTMLELEMENTEVENTS2_ONDRAGSTART = -2147418101;
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DISPID_HTMLELEMENTEVENTS2_ONBEFOREUPDATE = -2147418108;
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DISPID_HTMLELEMENTEVENTS2_ONAFTERUPDATE = -2147418107;
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DISPID_HTMLELEMENTEVENTS2_ONERRORUPDATE = -2147418099;
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DISPID_HTMLELEMENTEVENTS2_ONROWEXIT = -2147418106;
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DISPID_HTMLELEMENTEVENTS2_ONROWENTER = -2147418105;
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DISPID_HTMLELEMENTEVENTS2_ONDATASETCHANGED = -2147418098;
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DISPID_HTMLELEMENTEVENTS2_ONDATAAVAILABLE = -2147418097;
|
|
DISPID_HTMLELEMENTEVENTS2_ONDATASETCOMPLETE = -2147418096;
|
|
DISPID_HTMLELEMENTEVENTS2_ONLOSECAPTURE = -2147418094;
|
|
DISPID_HTMLELEMENTEVENTS2_ONPROPERTYCHANGE = -2147418093;
|
|
DISPID_HTMLELEMENTEVENTS2_ONSCROLL = 1014;
|
|
DISPID_HTMLELEMENTEVENTS2_ONFOCUS = -2147418111;
|
|
DISPID_HTMLELEMENTEVENTS2_ONBLUR = -2147418112;
|
|
DISPID_HTMLELEMENTEVENTS2_ONRESIZE = 1016;
|
|
DISPID_HTMLELEMENTEVENTS2_ONDRAG = -2147418092;
|
|
DISPID_HTMLELEMENTEVENTS2_ONDRAGEND = -2147418091;
|
|
DISPID_HTMLELEMENTEVENTS2_ONDRAGENTER = -2147418090;
|
|
DISPID_HTMLELEMENTEVENTS2_ONDRAGOVER = -2147418089;
|
|
DISPID_HTMLELEMENTEVENTS2_ONDRAGLEAVE = -2147418088;
|
|
DISPID_HTMLELEMENTEVENTS2_ONDROP = -2147418087;
|
|
DISPID_HTMLELEMENTEVENTS2_ONBEFORECUT = -2147418083;
|
|
DISPID_HTMLELEMENTEVENTS2_ONCUT = -2147418086;
|
|
DISPID_HTMLELEMENTEVENTS2_ONBEFORECOPY = -2147418082;
|
|
DISPID_HTMLELEMENTEVENTS2_ONCOPY = -2147418085;
|
|
DISPID_HTMLELEMENTEVENTS2_ONBEFOREPASTE = -2147418081;
|
|
DISPID_HTMLELEMENTEVENTS2_ONPASTE = -2147418084;
|
|
DISPID_HTMLELEMENTEVENTS2_ONCONTEXTMENU = 1023;
|
|
DISPID_HTMLELEMENTEVENTS2_ONROWSDELETE = -2147418080;
|
|
DISPID_HTMLELEMENTEVENTS2_ONROWSINSERTED = -2147418079;
|
|
DISPID_HTMLELEMENTEVENTS2_ONCELLCHANGE = -2147418078;
|
|
DISPID_HTMLELEMENTEVENTS2_ONREADYSTATECHANGE = -609;
|
|
DISPID_HTMLELEMENTEVENTS2_ONBEFOREEDITFOCUS = 1027;
|
|
DISPID_HTMLELEMENTEVENTS2_ONLAYOUTCOMPLETE = 1030;
|
|
DISPID_HTMLELEMENTEVENTS2_ONPAGE = 1031;
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOUSEENTER = 1042;
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOUSELEAVE = 1043;
|
|
DISPID_HTMLELEMENTEVENTS2_ONACTIVATE = 1044;
|
|
DISPID_HTMLELEMENTEVENTS2_ONDEACTIVATE = 1045;
|
|
DISPID_HTMLELEMENTEVENTS2_ONBEFOREDEACTIVATE = 1034;
|
|
DISPID_HTMLELEMENTEVENTS2_ONBEFOREACTIVATE = 1047;
|
|
DISPID_HTMLELEMENTEVENTS2_ONFOCUSIN = 1048;
|
|
DISPID_HTMLELEMENTEVENTS2_ONFOCUSOUT = 1049;
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOVE = 1035;
|
|
DISPID_HTMLELEMENTEVENTS2_ONCONTROLSELECT = 1036;
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOVESTART = 1038;
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOVEEND = 1039;
|
|
DISPID_HTMLELEMENTEVENTS2_ONRESIZESTART = 1040;
|
|
DISPID_HTMLELEMENTEVENTS2_ONRESIZEEND = 1041;
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOUSEWHEEL = 1033;
|
|
|
|
DISPID_HTMLDOCUMENTEVENTS2_ONSTOP = 1026;
|
|
DISPID_HTMLDOCUMENTEVENTS2_ONSELECTIONCHANGE = 1037;
|
|
|
|
implementation
|
|
|
|
uses ComObj, ActiveX, SysUtils;
|
|
|
|
function IsDocumentReady(ADocument: IHTMLDocument2): Boolean;
|
|
begin
|
|
Result := SameText(ADocument.readyState, 'complete'); // Do not localize
|
|
end;
|
|
|
|
function IsPointInClient(const AElement: IHTMLElement; const X, Y: Integer): Boolean;
|
|
var
|
|
Element2: IHTMLElement2;
|
|
begin
|
|
if Supports(AElement, IHTMLElement2, Element2) then
|
|
Result := Element2.componentFromPoint(X, Y) = ''
|
|
else
|
|
Result := False;
|
|
end;
|
|
|
|
function GetClientRect(const AElement: IHTMLElement; var ARect: TRect): Boolean;
|
|
var
|
|
Element2: IHTMLElement2;
|
|
begin
|
|
if (AElement <> nil) then
|
|
begin
|
|
Element2 := AElement as IHTMLElement2;
|
|
ARect.Left := AElement.offsetLeft + Element2.clientLeft;
|
|
ARect.Top := AElement.offsetTop + Element2.clientTop;
|
|
ARect.Right := ARect.Left + Element2.clientWidth;
|
|
ARect.Bottom := ARect.Top + Element2.clientHeight;
|
|
Result := True;
|
|
end
|
|
else
|
|
Result := False;
|
|
end;
|
|
|
|
{ TcxCustomEventSink }
|
|
|
|
function TcxCustomEventSink.SinkIID: TGUID;
|
|
begin
|
|
Result := DIID_HTMLElementEvents2;
|
|
end;
|
|
|
|
procedure TcxCustomEventSink.Connect(const ASource: IInterface);
|
|
begin
|
|
ImplConnect(ASource);
|
|
end;
|
|
|
|
procedure TcxCustomEventSink.Disconnect;
|
|
begin
|
|
ImplDisconnect;
|
|
end;
|
|
|
|
procedure TcxCustomEventSink.ImplConnect(const ASource: IInterface);
|
|
begin
|
|
Assert(ASource <> nil);
|
|
Disconnect;
|
|
InterfaceConnect(ASource, SinkIID, Self, FCookie);
|
|
FSource := ASource;
|
|
end;
|
|
|
|
procedure TcxCustomEventSink.ImplDisconnect;
|
|
begin
|
|
if FSource <> nil then
|
|
begin
|
|
InterfaceDisconnect(FSource, SinkIID, FCookie);
|
|
FSource := nil;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomEventSink.QueryInterface(const IID: TGUID;
|
|
out Obj): HResult;
|
|
begin
|
|
Result := E_NOINTERFACE;
|
|
if GetInterface(IID, Obj) then
|
|
Result := S_OK
|
|
else
|
|
if IsEqualIID(IID, SinkIID) and GetInterface(IDispatch, Obj) then
|
|
Result := S_OK;
|
|
end;
|
|
|
|
function TcxCustomEventSink.GetIDsOfNames(const IID: TGUID;
|
|
Names: Pointer; NameCount, LocaleID: Integer; DispIDs: Pointer): HResult;
|
|
begin
|
|
Result := E_NOTIMPL;
|
|
end;
|
|
|
|
function TcxCustomEventSink.GetTypeInfo(Index, LocaleID: Integer;
|
|
out TypeInfo): HResult;
|
|
begin
|
|
Pointer(TypeInfo) := nil;
|
|
Result := E_NOTIMPL;
|
|
end;
|
|
|
|
function TcxCustomEventSink.GetTypeInfoCount(
|
|
out Count: Integer): HResult;
|
|
begin
|
|
Count := 0;
|
|
Result := E_NOTIMPL;
|
|
end;
|
|
|
|
function TcxCustomEventSink.Invoke(DispID: Integer; const IID: TGUID;
|
|
LocaleID: Integer; Flags: Word; var Params; VarResult, ExcepInfo,
|
|
ArgErr: Pointer): HResult;
|
|
|
|
begin
|
|
Result := DISP_E_MEMBERNOTFOUND;
|
|
end;
|
|
|
|
function TcxCustomEventSink.GetSource: IUnknown;
|
|
begin
|
|
Result := FSource;
|
|
end;
|
|
|
|
{ TcxCustomHTMLEventSink }
|
|
|
|
constructor TcxCustomHTMLEventSink.Create(ABehavior: IcxHTMLBehavior);
|
|
begin
|
|
FBehavior := ABehavior;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoHTMLEvent(
|
|
const AEventObject: IHTMLEventObj; AMemberID: Integer;
|
|
var AResult: Variant): HRESULT;
|
|
|
|
procedure ReturnBoolResult(const EventResult: Boolean);
|
|
begin
|
|
TVarData(AResult).VType := varBoolean;
|
|
TVarData(AResult).VBoolean := EventResult;
|
|
end;
|
|
|
|
begin
|
|
Result := S_OK;
|
|
case AMemberID of
|
|
DISPID_HTMLELEMENTEVENTS2_ONHELP:
|
|
ReturnBoolResult(DoHelp(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONCLICK:
|
|
ReturnBoolResult(DoClick(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONDBLCLICK:
|
|
ReturnBoolResult(DoDblClick(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONKEYPRESS:
|
|
ReturnBoolResult(DoKeyPress(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONKEYDOWN:
|
|
DoKeyDown(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONKEYUP:
|
|
DoKeyUp(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOUSEOUT:
|
|
DoMouseOut(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOUSEOVER:
|
|
DoMouseOver(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOUSEMOVE:
|
|
DoMouseMove(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOUSEDOWN:
|
|
DoMouseDown(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOUSEUP:
|
|
DoMouseUp(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONSELECTSTART:
|
|
ReturnBoolResult(DoSelectStart(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONFILTERCHANGE:
|
|
DoFilterChange(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONBEFOREUPDATE:
|
|
ReturnBoolResult(DoBeforeUpdate(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONAFTERUPDATE:
|
|
DoAfterUpdate(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONERRORUPDATE:
|
|
ReturnBoolResult(DoErrorUpdate(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONROWEXIT:
|
|
ReturnBoolResult(DoRowExit(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONROWENTER:
|
|
DoRowEnter(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONDATASETCHANGED:
|
|
DoDatasetChanged(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONDATAAVAILABLE:
|
|
DoDataAvailable(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONDATASETCOMPLETE:
|
|
DoDatasetComplete(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONLOSECAPTURE:
|
|
DoLoseCapture(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONPROPERTYCHANGE:
|
|
DoPropertyChange(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONSCROLL:
|
|
DoScroll(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONFOCUS:
|
|
DoFocus(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONBLUR:
|
|
DoBlur(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONRESIZE:
|
|
DoResize(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONDRAGSTART:
|
|
ReturnBoolResult(DoDragStart(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONDRAG:
|
|
ReturnBoolResult(DoDrag(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONDRAGEND:
|
|
DoDragEnd(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONDRAGENTER:
|
|
ReturnBoolResult(DoDragEnter(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONDRAGOVER:
|
|
ReturnBoolResult(DoDragOver(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONDRAGLEAVE:
|
|
DoDragLeave(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONDROP:
|
|
ReturnBoolResult(DoDrop(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONBEFORECUT:
|
|
ReturnBoolResult(DoBeforeCut(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONCUT:
|
|
ReturnBoolResult(DoCut(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONBEFORECOPY:
|
|
ReturnBoolResult(DoBeforeCopy(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONCOPY:
|
|
ReturnBoolResult(DoCopy(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONBEFOREPASTE:
|
|
ReturnBoolResult(DoBeforePaste(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONPASTE:
|
|
ReturnBoolResult(DoPaste(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONCONTEXTMENU:
|
|
ReturnBoolResult(DoContextMenu(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONROWSDELETE:
|
|
DoRowsDelete(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONROWSINSERTED:
|
|
DoRowsInserted(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONCELLCHANGE:
|
|
DoCellChange(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONREADYSTATECHANGE:
|
|
DoReadyStateChange(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONBEFOREEDITFOCUS:
|
|
DoBeforeEditFocus(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONLAYOUTCOMPLETE:
|
|
DoLayoutComplete(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONPAGE:
|
|
DoPage(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOUSEENTER:
|
|
DoMouseEnter(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOUSELEAVE:
|
|
DoMouseLeave(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONACTIVATE:
|
|
DoActivate(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONDEACTIVATE:
|
|
DoDeactivate(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONBEFOREDEACTIVATE:
|
|
ReturnBoolResult(DoBeforeDeactivate(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONBEFOREACTIVATE:
|
|
ReturnBoolResult(DoBeforeActivate(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONFOCUSIN:
|
|
DoFocusIn(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONFOCUSOUT:
|
|
DoFocusOut(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOVE:
|
|
DoMove(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONCONTROLSELECT:
|
|
ReturnBoolResult(DoControlSelect(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOVESTART:
|
|
ReturnBoolResult(DoMoveStart(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOVEEND:
|
|
DoMoveEnd(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONRESIZESTART:
|
|
ReturnBoolResult(DoResizeStart(AEventObject));
|
|
DISPID_HTMLELEMENTEVENTS2_ONRESIZEEND:
|
|
DoResizeEnd(AEventObject);
|
|
DISPID_HTMLELEMENTEVENTS2_ONMOUSEWHEEL:
|
|
ReturnBoolResult(DoMouseWheel(AEventObject));
|
|
else
|
|
Result := DISP_E_MEMBERNOTFOUND;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.Invoke(DispID: Integer; const IID: TGUID;
|
|
LocaleID: Integer; Flags: Word; var Params; VarResult, ExcepInfo,
|
|
ArgErr: Pointer): HResult;
|
|
|
|
function GetHTMLEventParam(out AParam: IHTMLEventObj): Boolean;
|
|
var
|
|
DispParams: TDispParams absolute Params;
|
|
Param: TVariantArg;
|
|
begin
|
|
AParam := nil;
|
|
Result := (DispParams.cArgs = 1) and
|
|
(Flags and DISPATCH_METHOD = DISPATCH_METHOD);
|
|
if Result then
|
|
begin
|
|
Param := PVariantArgList(DispParams.rgvarg)^[0];
|
|
Result := (Param.vt = VT_DISPATCH) or (Param.vt = VT_UNKNOWN);
|
|
if Result then
|
|
Supports(IInterface(Param.unkVal), IHTMLEventObj, AParam);
|
|
end;
|
|
end;
|
|
|
|
var
|
|
EventObject: IHTMLEventObj;
|
|
begin
|
|
if GetHTMLEventParam(EventObject) then
|
|
Result := DoHTMLEvent(EventObject, DispID, Variant(VarResult^))
|
|
else
|
|
Result := DISP_E_MEMBERNOTFOUND;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoControlSelect(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
Result := True;
|
|
if Assigned(FOnControlSelect) then
|
|
Result := FOnControlSelect(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoMouseDown(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnMouseDown) then
|
|
FOnMouseDown(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoMouseMove(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnMouseMove) then
|
|
FOnMouseMove(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoMouseUp(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnMouseUp) then
|
|
FOnMouseUp(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoCut(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnCut) then
|
|
Result := FOnCut(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoCopy(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnCopy) then
|
|
Result := FOnCopy(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoPaste(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnPaste) then
|
|
Result := FOnPaste(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoActivate(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnActivate) then
|
|
FOnActivate(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoAfterUpdate(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnAfterUpdate) then
|
|
FOnAfterUpdate(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoBeforeActivate(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnBeforeActivate) then
|
|
Result := FOnBeforeActivate(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoBeforeCopy(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnBeforeCopy) then
|
|
Result := FOnBeforeCopy(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoBeforeCut(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnBeforeCut) then
|
|
Result := FOnBeforeCut(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoBeforeDeactivate(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnBeforeDeactivate) then
|
|
Result := FOnBeforeDeactivate(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoBeforePaste(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnBeforePaste) then
|
|
Result := FOnBeforePaste(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoBeforeUpdate(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnBeforeUpdate) then
|
|
Result := FOnBeforeUpdate(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoBlur(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnBlur) then
|
|
FOnBlur(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoCellChange(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnCellChange) then
|
|
FOnCellChange(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoClick(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnClick) then
|
|
Result := FOnClick(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoContextMenu(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnContextMenu) then
|
|
Result := FOnContextMenu(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoDataAvailable(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnDataAvailable) then
|
|
FOnDataAvailable(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoDatasetChanged(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnDatasetChanged) then
|
|
FOnDatasetChanged(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoDatasetComplete(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnDatasetComplete) then
|
|
FOnDatasetComplete(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoDblClick(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnDblClick) then
|
|
Result := FOnDblClick(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoDeactivate(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnDeactivate) then
|
|
FOnDeactivate(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoDrag(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnDrag) then
|
|
Result := FOnDrag(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoDragEnd(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnDragEnd) then
|
|
FOnDragEnd(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoDragEnter(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnDragEnter) then
|
|
Result := FOnDragEnter(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoDragLeave(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnDragLeave) then
|
|
FOnDragLeave(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoDragOver(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnDragOver) then
|
|
Result := FOnDragOver(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoDragStart(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnDragStart) then
|
|
Result := FOnDragStart(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoDrop(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnDrop) then
|
|
Result := FOnDrop(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoErrorUpdate(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnErrorUpdate) then
|
|
Result := FOnErrorUpdate(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoFilterChange(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnFilterChange) then
|
|
FOnFilterChange(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoFocus(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnFocus) then
|
|
FOnFocus(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoFocusIn(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnFocusIn) then
|
|
FOnFocusIn(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoFocusOut(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnFocusOut) then
|
|
FOnFocusOut(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoHelp(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnHelp) then
|
|
Result := FOnHelp(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoKeyDown(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnKeyDown) then
|
|
FOnKeyDown(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoKeyPress(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnKeyPress) then
|
|
Result := FOnKeyPress(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoKeyUp(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnKeyUp) then
|
|
FOnKeyUp(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoLayoutComplete(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnLayoutComplete) then
|
|
FOnLayoutComplete(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoLoseCapture(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnLoseCapture) then
|
|
FOnLoseCapture(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoMouseEnter(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnMouseEnter) then
|
|
FOnMouseEnter(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoMouseLeave(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnMouseLeave) then
|
|
FOnMouseLeave(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoMouseOut(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnMouseOut) then
|
|
FOnMouseOut(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoMouseOver(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnMouseOver) then
|
|
FOnMouseOver(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoMouseWheel(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnMouseWheel) then
|
|
Result := FOnMouseWheel(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoMove(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnMove) then
|
|
FOnMove(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoMoveEnd(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnMoveEnd) then
|
|
FOnMoveEnd(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoMoveStart(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnMoveStart) then
|
|
Result := FOnMoveStart(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoPage(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnPage) then
|
|
FOnPage(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoPropertyChange(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnPropertyChange) then
|
|
FOnPropertyChange(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoReadyStateChange(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnReadyStateChange) then
|
|
FOnReadyStateChange(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoResize(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnResize) then
|
|
FOnResize(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoResizeEnd(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnResizeEnd) then
|
|
FOnResizeEnd(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoResizeStart(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnResizeStart) then
|
|
Result := FOnResizeStart(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoRowEnter(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnRowEnter) then
|
|
FOnRowEnter(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoRowExit(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnRowExit) then
|
|
Result := FOnRowExit(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoRowsDelete(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnRowsDelete) then
|
|
FOnRowsDelete(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoRowsInserted(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnRowsInserted) then
|
|
FOnRowsInserted(AEventObject);
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoScroll(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnScroll) then
|
|
FOnScroll(AEventObject);
|
|
end;
|
|
|
|
function TcxCustomHTMLEventSink.DoSelectStart(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnSelectStart) then
|
|
Result := FOnSelectStart(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TcxCustomHTMLEventSink.DoBeforeEditFocus(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnBeforeEditFocus) then
|
|
FOnBeforeEditFocus(AEventObject);
|
|
end;
|
|
|
|
{ TcxHTMLDocEventSink }
|
|
|
|
function TcxHTMLDocEventSink.SinkIID: TGUID;
|
|
begin
|
|
Result := DIID_HTMLDocumentEvents2;
|
|
end;
|
|
|
|
procedure TcxHTMLDocEventSink.DoBeforeEditFocus(
|
|
const AEventObject: IHTMLEventObj);
|
|
var
|
|
Doc2: IHTMLDocument2;
|
|
begin
|
|
if Supports(Source, IHTMLDocument2, Doc2) then
|
|
AEventObject.returnValue := IsDocumentReady(Doc2);
|
|
inherited;
|
|
end;
|
|
|
|
function TcxHTMLDocEventSink.DoHTMLEvent(
|
|
const AEventObject: IHTMLEventObj; AMemberID: Integer;
|
|
var AResult: Variant): HRESULT;
|
|
|
|
procedure ReturnBoolResult(const EventResult: Boolean);
|
|
begin
|
|
TVarData(AResult).VType := varBoolean;
|
|
TVarData(AResult).VBoolean := EventResult;
|
|
end;
|
|
|
|
begin
|
|
Result := S_OK;
|
|
case AMemberID of
|
|
DISPID_HTMLDOCUMENTEVENTS2_ONSELECTIONCHANGE:
|
|
DoSelectionChange(AEventObject);
|
|
DISPID_HTMLDOCUMENTEVENTS2_ONSTOP:
|
|
ReturnBoolResult(DoStop(AEventObject));
|
|
else
|
|
Result := inherited DoHTMLEvent(AEventObject, AMemberID, AResult);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxHTMLDocEventSink.DoSelectionChange(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
if Assigned(FOnSelectionChange) then
|
|
FOnSelectionChange(AEventObject);
|
|
end;
|
|
|
|
function TcxHTMLDocEventSink.DoStop(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
if Assigned(FOnStop) then
|
|
Result := FOnStop(AEventObject)
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
{ TcxHTMLEWFCtrlEventSink }
|
|
|
|
procedure TcxHTMLEWFCtrlEventSink.DoBeforeEditFocus(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
AEventObject.returnValue := False;
|
|
AEventObject.cancelBubble := True;
|
|
inherited;
|
|
end;
|
|
|
|
procedure TcxHTMLEWFCtrlEventSink.DoResizeEnd(
|
|
const AEventObject: IHTMLEventObj);
|
|
begin
|
|
FResizing := False;
|
|
inherited;
|
|
end;
|
|
|
|
function TcxHTMLEWFCtrlEventSink.DoResizeStart(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
begin
|
|
FResizing := True;
|
|
Result := inherited DoResizeStart(AEventObject);
|
|
end;
|
|
|
|
{ TcxHTMLSelectRegionSink }
|
|
|
|
function TcxHTMLSelectRegionSink.GetNormalSelectRect: TRect;
|
|
var
|
|
Pos: Integer;
|
|
begin
|
|
Result := FSelectingRect;
|
|
if Result.Left > Result.Right then
|
|
begin
|
|
Pos := Result.Left;
|
|
Result.Left := Result.Right;
|
|
Result.Right := Pos;
|
|
end;
|
|
if Result.Top > Result.Bottom then
|
|
begin
|
|
Pos := Result.Top;
|
|
Result.Top := Result.Bottom;
|
|
Result.Bottom := Pos;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxHTMLSelectRegionSink.Snap(const ACurValue, ADelta: Integer; var ANewValue: Integer);
|
|
var
|
|
I: Integer;
|
|
begin
|
|
I := ANewValue;
|
|
if I > ACurValue then
|
|
Inc(I, ADelta);
|
|
I := (I div ADelta) * ADelta;
|
|
if ((ADelta < 4) and (Abs(I - ANewValue) < 2) ) or
|
|
(Abs(I - ANewValue) < (ADelta div 2)) then
|
|
ANewValue := I
|
|
else
|
|
ANewValue := ACurValue;
|
|
end;
|
|
|
|
function TcxHTMLSelectRegionSink.SinkIID: TGUID;
|
|
begin
|
|
Result := DIID_HTMLTextContainerEvents2;
|
|
end;
|
|
|
|
procedure TcxHTMLSelectRegionSink.DoMouseDown(const AEventObject: IHTMLEventObj);
|
|
|
|
function GetClipRect(var R: TRect): Boolean;
|
|
var
|
|
Global: tagPOINT;
|
|
Element2: IHTMLElement2;
|
|
Doc2: IHTMLDocument2;
|
|
Win3: IHTMLWindow3;
|
|
begin
|
|
if (Behavior.Element <> nil) and
|
|
Supports(Behavior.Element.document, IHTMLDocument2, Doc2) and
|
|
Supports(Doc2.parentWindow, IHTMLWindow3, Win3) then
|
|
begin
|
|
Element2 := Behavior.Element as IHTMLElement2;
|
|
Global := tagPOINT(Point(Element2.clientLeft, Element2.clientTop));
|
|
Inc(Global.X, Win3.screenLeft);
|
|
Inc(Global.Y, Win3.screenTop);
|
|
R.TopLeft := TPoint(Global);
|
|
R.Right := R.Left + Element2.clientWidth;
|
|
R.Bottom := R.Top + Element2.clientHeight;
|
|
Result := True;
|
|
end
|
|
else
|
|
Result := False;
|
|
end;
|
|
|
|
var
|
|
Rect: TRect;
|
|
RightLoc, BottomLoc: Integer;
|
|
begin
|
|
inherited;
|
|
if (AEventObject.button = 1) {Left mouse button} and
|
|
IsOwnEvent(AEventObject) and
|
|
IsPointInClient(AEventObject.srcElement, AEventObject.clientX, AEventObject.clientY) then
|
|
begin
|
|
if GetClipRect(Rect) then
|
|
ClipCursor(@Rect);
|
|
FState := hssStart;
|
|
FDeltaX := Behavior.Namespace.GetEditorInfo.GridXSize;
|
|
FDeltaY := Behavior.Namespace.GetEditorInfo.GridYSize;
|
|
RightLoc := AEventObject.offsetX;
|
|
BottomLoc := AEventObject.offsetY;
|
|
if Behavior.Namespace.GetEditorInfo.IsToolSelected and
|
|
Behavior.Namespace.GetEditorInfo.SnapToGrid then
|
|
begin
|
|
RightLoc := ((RightLoc + FDeltaX div 2) div FDeltaX) * FDeltaX;
|
|
BottomLoc := ((BottomLoc + FDeltaY div 2) div FDeltaY) * FDeltaY;
|
|
end;
|
|
FSelectingRect := Bounds(RightLoc, BottomLoc, 0, 0);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxHTMLSelectRegionSink.DoMouseMove(const AEventObject: IHTMLEventObj);
|
|
|
|
function IsRealMoving: Boolean;
|
|
begin
|
|
Result := (Abs(FSelectingRect.Left - AEventObject.offsetX) > 3) or
|
|
(Abs(FSelectingRect.Top - AEventObject.offsetY) > 3);
|
|
end;
|
|
var
|
|
R: TRect;
|
|
RightLoc, BottomLoc: Integer;
|
|
begin
|
|
inherited;
|
|
if (AEventObject.button = 1) {Left mouse button} and
|
|
(FState <> hssNone) and IsRealMoving then
|
|
begin
|
|
if FState <> hssSelecting then
|
|
Behavior.PaintSite.InvalidatePainterInfo;
|
|
RightLoc := AEventObject.offsetX;
|
|
BottomLoc := AEventObject.offsetY;
|
|
if Behavior.Namespace.GetEditorInfo.IsToolSelected and
|
|
Behavior.Namespace.GetEditorInfo.SnapToGrid then
|
|
begin
|
|
Snap(FSelectingRect.Right, FDeltaX, RightLoc);
|
|
Snap(FSelectingRect.Bottom, FDeltaY, BottomLoc);
|
|
end;
|
|
FState := hssSelecting;
|
|
R := NormalSelectRect;
|
|
InflateRect(R, 1, 1);
|
|
if Behavior.Namespace.GetEditorInfo.IsToolSelected then
|
|
InflateRect(R, 1, 1);
|
|
Behavior.PaintSite.InvalidateRect(@R);
|
|
FSelectingRect.Right := RightLoc;
|
|
FSelectingRect.Bottom := BottomLoc;
|
|
R := NormalSelectRect;
|
|
Behavior.PaintSite.InvalidateRect(@R);
|
|
AEventObject.returnValue := False;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxHTMLSelectRegionSink.DoMouseUp(const AEventObject: IHTMLEventObj);
|
|
var
|
|
R: TRect;
|
|
LocState: TcxHTMLSelectState;
|
|
RightLoc, BottomLoc: Integer;
|
|
begin
|
|
inherited;
|
|
LocState := FState;
|
|
FState := hssNone;
|
|
if (LocState <> hssNone) then
|
|
ClipCursor(nil);
|
|
if (LocState = hssSelecting) then
|
|
begin
|
|
RightLoc := AEventObject.offsetX;
|
|
BottomLoc := AEventObject.offsetY;
|
|
if Behavior.Namespace.GetEditorInfo.IsToolSelected and
|
|
Behavior.Namespace.GetEditorInfo.SnapToGrid then
|
|
begin
|
|
Snap(FSelectingRect.Right, FDeltaX, RightLoc);
|
|
Snap(FSelectingRect.Bottom, FDeltaY, BottomLoc);
|
|
end;
|
|
FSelectingRect.Right := RightLoc;
|
|
FSelectingRect.Bottom := BottomLoc;
|
|
R := NormalSelectRect;
|
|
Behavior.PaintSite.InvalidateRect(@R);
|
|
Behavior.PaintSite.InvalidatePainterInfo;
|
|
(AEventObject.SrcElement.document as IHTMLDocument2).selection.empty;
|
|
DoRectSelect(AEventObject, R);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxHTMLSelectRegionSink.DoRectSelect(const AEventObject: IHTMLEventObj; const ARect: TRect);
|
|
begin
|
|
if Assigned(FOnRectSelect) then
|
|
FOnRectSelect(AEventObject, ARect);
|
|
end;
|
|
|
|
function TcxHTMLSelectRegionSink.IsOwnEvent(
|
|
const AEventObject: IHTMLEventObj): Boolean;
|
|
var
|
|
Element: IHTMLElement;
|
|
begin
|
|
Result := False;
|
|
if (AEventObject = nil) or (AEventObject.srcElement = nil) then Exit;
|
|
if Supports(Source, IHTMLElement, Element) then
|
|
Result := AEventObject.srcElement.sourceIndex = Element.sourceIndex;
|
|
end;
|
|
|
|
procedure TcxHTMLSelectRegionSink.DoBeforeEditFocus(
|
|
const AEventObject: IHTMLEventObj);
|
|
|
|
function IsTableEvent: Boolean;
|
|
var
|
|
Doc2: IHTMLDocument2;
|
|
Element: IHTMLElement;
|
|
begin
|
|
Element := nil;
|
|
if (AEventObject <> nil) and (AEventObject.srcElement <> nil) and
|
|
Supports(AEventObject.srcElement.document, IHTMLDocument2, Doc2) then
|
|
Element := Doc2.elementFromPoint(AEventObject.clientX, AEventObject.clientY);
|
|
Result := (Element <> nil) and
|
|
(Supports(Element, IHTMLTableCell) or Supports(Element, IHTMLTableCaption));
|
|
end;
|
|
|
|
begin
|
|
if IsOwnEvent(AEventObject) then
|
|
if not IsTableEvent then
|
|
begin
|
|
AEventObject.returnValue := False;
|
|
AEventObject.cancelBubble := True;
|
|
end;
|
|
inherited;
|
|
end;
|
|
|
|
end.
|