david
3b29f73ece
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@8 05c56307-c608-d34a-929d-697000501d7a
2284 lines
72 KiB
ObjectPascal
2284 lines
72 KiB
ObjectPascal
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{********************************************************************}
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{ }
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{ Developer Express Visual Component Library }
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{ ExpressEditors }
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{ }
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{ Copyright (c) 1998-2007 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 EXPRESSEDITORS AND ALL }
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{ ACCOMPANYING VCL CONTROLS AS PART OF AN EXECUTABLE PROGRAM 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 cxSpinEdit;
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{$I cxVer.inc}
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interface
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uses
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{$IFDEF MSWINDOWS}
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Windows,
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{$ENDIF}
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{$IFNDEF VCL}
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Types, Qt, QTypes,
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{$ENDIF}
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{$IFDEF DELPHI6}
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Variants,
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{$ENDIF}
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Classes, Controls, Forms, Graphics, SysUtils, cxClasses, cxContainer,
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cxControls, cxDataStorage, cxDataUtils, cxEdit, cxGraphics, cxMaskEdit,
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cxTextEdit, cxVariants, cxLookAndFeelPainters, cxFilterControlUtils;
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const
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cxSpinBackwardButtonIndex = 0;
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cxSpinForwardButtonIndex = 1;
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cxSpinFastBackwardButtonIndex = 2;
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cxSpinFastForwardButtonIndex = 3;
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type
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TcxSpinBoundsCheckingKind = (bckDoNotExceed, bckExtendToBound, bckCircular);
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TcxSpinEditButtonsPosition = (sbpHorzLeftRight, sbpHorzRight, sbpVert);
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TcxSpinEditButton = (sebBackward, sebForward, sebFastBackward, sebFastForward);
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{ TcxSpinEditViewInfo }
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TcxSpinEditViewInfo = class(TcxCustomTextEditViewInfo)
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protected
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procedure DrawHotFlatButtonBorder(ACanvas: TcxCanvas; AButtonViewInfo: TcxEditButtonViewInfo;
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var ARect: TRect; out AContentRect: TRect; var APenColor, ABrushColor: TColor); override;
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procedure DrawNativeButtonBorder(ACanvas: TcxCanvas; AButtonViewInfo: TcxEditButtonViewInfo;
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var ARect: TRect; out AContentRect: TRect; var APenColor, ABrushColor: TColor); override;
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procedure DrawUltraFlatButtonBorder(ACanvas: TcxCanvas; AButtonViewInfo: TcxEditButtonViewInfo;
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AIsOffice11Style: Boolean; var ARect: TRect; var AContentRect: TRect; out APenColor, ABrushColor: TColor); override;
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procedure DrawNativeButtonBackground(ACanvas: TcxCanvas; AButtonViewInfo: TcxEditButtonViewInfo; const ARect: TRect); override;
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procedure InternalPaint(ACanvas: TcxCanvas); override;
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public
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ArrowSize: Integer;
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ButtonsPosition: TcxSpinEditButtonsPosition;
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DelimiterLine: array[0..1] of TPoint;
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procedure DrawButtonContent(ACanvas: TcxCanvas; AButtonVisibleIndex: Integer;
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const AContentRect: TRect; APenColor, ABrushColor: TColor;
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ANeedOffsetContent: Boolean); override;
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end;
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{ TcxSpinEditViewData }
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TcxSpinEditPressedState = (epsNone, epsDown, epsUp, epsFastDown, epsFastUp);
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TcxCustomSpinEditProperties = class;
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TcxSpinEditViewData = class(TcxCustomTextEditViewData)
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private
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function GetProperties: TcxCustomSpinEditProperties;
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protected
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function CanPressButton(AViewInfo: TcxCustomEditViewInfo; AButtonVisibleIndex: Integer):
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Boolean; override;
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function IsButtonPressed(AViewInfo: TcxCustomEditViewInfo; AButtonVisibleIndex:
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Integer): Boolean; override;
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{$IFDEF VCL}
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procedure CalculateButtonNativeInfo(AButtonViewInfo: TcxEditButtonViewInfo); override;
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{$ENDIF}
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public
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PressedState: TcxSpinEditPressedState;
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procedure Calculate(ACanvas: TcxCanvas; const ABounds: TRect; const P: TPoint;
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Button: TcxMouseButton; Shift: TShiftState; AViewInfo: TcxCustomEditViewInfo;
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AIsMouseEvent: Boolean); override;
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procedure CalculateButtonBounds(ACanvas: TcxCanvas; AViewInfo: TcxCustomEditViewInfo;
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AButtonVisibleIndex: Integer; var ButtonsRect: TRect); override;
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procedure CalculateButtonViewInfo(ACanvas: TcxCanvas; AViewInfo: TcxCustomEditViewInfo;
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AButtonVisibleIndex: Integer; var ButtonsRect: TRect); override;
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property Properties: TcxCustomSpinEditProperties read GetProperties;
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end;
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{ TcxSpinEditButtons }
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TcxSpinEditButtons = class(TPersistent)
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private
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FOwner: TPersistent;
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FPosition: TcxSpinEditButtonsPosition;
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FShowFastButtons: Boolean;
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FVisible: Boolean;
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function GetProperties: TcxCustomSpinEditProperties;
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procedure SetPosition(Value: TcxSpinEditButtonsPosition);
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procedure SetShowFastButtons(Value: Boolean);
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procedure SetVisible(Value: Boolean);
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protected
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procedure Changed;
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property Properties: TcxCustomSpinEditProperties read GetProperties;
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public
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constructor Create(AOwner: TPersistent); virtual;
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procedure Assign(Source: TPersistent); override;
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published
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property Position: TcxSpinEditButtonsPosition read FPosition
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write SetPosition default sbpVert;
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property ShowFastButtons: Boolean read FShowFastButtons
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write SetShowFastButtons default False;
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property Visible: Boolean read FVisible
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write SetVisible default True;
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end;
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{ TcxSpinEditPropertiesValues }
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TcxSpinEditPropertiesValues = class(TcxTextEditPropertiesValues)
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private
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FValueType: Boolean;
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procedure SetValueType(Value: Boolean);
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public
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procedure Assign(Source: TPersistent); override;
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procedure RestoreDefaults; override;
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published
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property ValueType: Boolean read FValueType write SetValueType stored False;
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end;
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{ TcxCustomSpinEditProperties }
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TcxSpinEditValueType = (vtInt, vtFloat);
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TcxCustomSpinEdit = class;
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TcxSpinEditGetValueEvent = procedure(Sender: TObject; const AText: TCaption;
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out AValue: Variant; var ErrorText: TCaption; var Error: Boolean) of object;
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TcxCustomSpinEditProperties = class(TcxCustomMaskEditProperties)
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private
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FSpinButtons: TcxSpinEditButtons;
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FCanEdit: Boolean;
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FCircular: Boolean;
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FIncrement, FLargeIncrement: Double;
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FExceptionOnInvalidInput: Boolean;
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FUseCtrlIncrement: Boolean;
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FValueType: TcxSpinEditValueType;
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FOnGetValue: TcxSpinEditGetValueEvent;
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function DoubleAsValueType(AValue: Double;
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AValueType: TcxSpinEditValueType): Double;
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function GetAssignedValues: TcxSpinEditPropertiesValues;
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function GetValueType: TcxSpinEditValueType;
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function IsIncrementStored: Boolean;
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function IsLargeIncrementStored: Boolean;
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function IsValueTypeStored: Boolean;
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procedure SetAssignedValues(Value: TcxSpinEditPropertiesValues);
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procedure SetCircular(Value: Boolean);
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procedure SetSpinButtons(Value: TcxSpinEditButtons);
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procedure SetValueType(Value: TcxSpinEditValueType);
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function TryTextToValue(S: string; out AValue: TcxEditValue): Boolean;
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function VarToCurrentValueType(AValue: TcxEditValue): TcxEditValue;
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protected
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function DefaultFocusedDisplayValue: TcxEditValue; override;
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class function GetAssignedValuesClass: TcxCustomEditPropertiesValuesClass; override;
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class function GetViewDataClass: TcxCustomEditViewDataClass; override;
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function IsEditValueNumeric: Boolean; override;
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function CheckValueBounds(const Value: Variant): Variant;
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function ExtendValueUpToBound: Boolean; virtual;
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function GetBoundsCheckingKind: TcxSpinBoundsCheckingKind; virtual;
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function GetMaxMinValueForCurrentValueType(
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AMinValue: Boolean = True): TcxEditValue;
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function InternalMaxValue: TcxEditValue; virtual;
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function InternalMinValue: TcxEditValue; virtual;
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function IsDisplayValueNumeric: Boolean; virtual;
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function IsValueBoundsValid(AValue: Extended): Boolean;
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function PrepareValue(const AValue: TcxEditValue): Variant; virtual;
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function PreserveSelection: Boolean; virtual;
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function SetVariantType(const Value: TcxEditValue): TcxEditValue;
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property AssignedValues: TcxSpinEditPropertiesValues read GetAssignedValues
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write SetAssignedValues;
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public
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constructor Create(AOwner: TPersistent); override;
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destructor Destroy; override;
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procedure Assign(Source: TPersistent); override;
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procedure Changed; override;
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function CreateViewData(AStyle: TcxCustomEditStyle;
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AIsInplace: Boolean; APreviewMode: Boolean = False): TcxCustomEditViewData; override;
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class function GetContainerClass: TcxContainerClass; override;
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function GetEditValueSource(AEditFocused: Boolean): TcxDataEditValueSource; override;
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class function GetViewInfoClass: TcxContainerViewInfoClass; override;
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function IsDisplayValueValid(var DisplayValue: TcxEditValue; AEditFocused: Boolean): Boolean; override;
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function IsEditValueValid(var EditValue: TcxEditValue;
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AEditFocused: Boolean): Boolean; override;
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procedure ValidateDisplayValue(var ADisplayValue: TcxEditValue;
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var AErrorText: TCaption; var AError: Boolean;
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AEdit: TcxCustomEdit); override;
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// !!!
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property CanEdit: Boolean read FCanEdit write FCanEdit default True;
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property Circular: Boolean read FCircular write SetCircular default False;
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property ExceptionOnInvalidInput: Boolean read FExceptionOnInvalidInput
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write FExceptionOnInvalidInput default False;
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property Increment: Double read FIncrement write FIncrement stored IsIncrementStored;
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property LargeIncrement: Double read FLargeIncrement write FLargeIncrement
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stored IsLargeIncrementStored;
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property SpinButtons: TcxSpinEditButtons read FSpinButtons write SetSpinButtons;
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property UseCtrlIncrement: Boolean read FUseCtrlIncrement write FUseCtrlIncrement default False;
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property ValueType: TcxSpinEditValueType read GetValueType write SetValueType stored IsValueTypeStored;
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property OnGetValue: TcxSpinEditGetValueEvent read FOnGetValue
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write FOnGetValue;
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end;
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{ TcxSpinEditProperties }
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TcxSpinEditProperties = class(TcxCustomSpinEditProperties)
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published
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property Alignment;
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property AssignedValues;
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property AutoSelect;
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property BeepOnError;
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property CanEdit;
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property ClearKey;
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property DisplayFormat;
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property EchoMode;
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property EditFormat;
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property ExceptionOnInvalidInput;
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property HideSelection;
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property ImeMode;
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property ImeName;
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property ImmediatePost;
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property Increment;
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property LargeIncrement;
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property MaxValue;
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property MinValue;
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property PasswordChar;
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property ReadOnly;
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property SpinButtons;
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property UseCtrlIncrement;
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property UseDisplayFormatWhenEditing;
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property UseLeftAlignmentOnEditing;
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property ValidateOnEnter;
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property ValueType;
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property OnChange;
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property OnEditValueChanged;
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property OnGetValue;
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property OnValidate;
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end;
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{ TcxCustomSpinEdit }
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TcxCustomSpinEdit = class(TcxCustomMaskEdit)
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private
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FInternalValue: TcxEditValue;
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FIsCustomText: Boolean;
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FIsCustomTextAction: Boolean;
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FPressedState: TcxSpinEditPressedState;
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FTimer: TcxTimer;
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function GetProperties: TcxCustomSpinEditProperties;
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function GetActiveProperties: TcxCustomSpinEditProperties;
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procedure HandleTimer(Sender: TObject);
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function IsValueStored: Boolean;
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procedure SetInternalValue(AValue: TcxEditValue);
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procedure SetPressedState(Value: TcxSpinEditPressedState);
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procedure SetProperties(Value: TcxCustomSpinEditProperties);
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procedure StopTracking;
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protected
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procedure ChangeHandler(Sender: TObject); override;
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procedure CheckEditorValueBounds; override;
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procedure DblClick; override;
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procedure DoButtonDown(AButtonVisibleIndex: Integer); override;
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procedure DoEditKeyDown(var Key: Word; Shift: TShiftState); override;
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procedure DoEditKeyPress(var Key: Char); override;
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procedure DoEditKeyUp(var Key: Word; Shift: TShiftState); override;
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function DoMouseWheelDown(Shift: TShiftState; {$IFNDEF VCL}const{$ENDIF} MousePos:
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TPoint): Boolean; override;
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function DoMouseWheelUp(Shift: TShiftState; {$IFNDEF VCL}const{$ENDIF} MousePos:
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TPoint): Boolean; override;
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procedure FocusChanged; override;
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procedure Initialize; override;
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function InternalGetEditingValue: TcxEditValue; override;
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function InternalGetNotPublishedStyleValues: TcxEditStyleValues; override;
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function IsValidChar(AChar: Char): Boolean; override;
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procedure MouseUp(Button: TMouseButton; Shift: TShiftState;
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X, Y: Integer); override;
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procedure PropertiesChanged(Sender: TObject); override;
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function RefreshContainer(const P: TPoint; Button: TcxMouseButton; Shift: TShiftState;
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AIsMouseEvent: Boolean): Boolean; override;
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procedure SynchronizeDisplayValue; override;
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procedure SynchronizeEditValue; override;
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procedure DoOnGetValue(const AText: TCaption; out AValue: Variant;
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var ErrorText: TCaption; var Error: Boolean);
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function GetIncrement(AButton: TcxSpinEditButton): Double; virtual;
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function GetValue: Variant; virtual;
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function IncrementValueToStr(const AValue: TcxEditValue): string; virtual;
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function InternalPrepareEditValue(const ADisplayValue: TcxEditValue;
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ARaiseException: Boolean; out EditValue: TcxEditValue;
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out AErrorText: TCaption): Boolean;
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function IsOnGetValueEventAssigned: Boolean;
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procedure SetValue(const Value: Variant); virtual;
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property PressedState: TcxSpinEditPressedState read FPressedState write SetPressedState;
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property Value: Variant read GetValue write SetValue stored IsValueStored;
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public
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procedure ClearSelection; override;
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procedure CutToClipboard; override;
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class function GetPropertiesClass: TcxCustomEditPropertiesClass; override;
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function Increment(AButton: TcxSpinEditButton): Boolean; virtual;
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procedure PasteFromClipboard; override;
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procedure PrepareEditValue(const ADisplayValue: TcxEditValue;
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out EditValue: TcxEditValue; AEditFocused: Boolean); override;
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property ActiveProperties: TcxCustomSpinEditProperties read GetActiveProperties;
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property Properties: TcxCustomSpinEditProperties read GetProperties
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write SetProperties;
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end;
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{ TcxSpinEdit }
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TcxSpinEdit = class(TcxCustomSpinEdit)
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private
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function GetActiveProperties: TcxSpinEditProperties;
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function GetProperties: TcxSpinEditProperties;
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procedure SetProperties(Value: TcxSpinEditProperties);
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public
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class function GetPropertiesClass: TcxCustomEditPropertiesClass; override;
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property ActiveProperties: TcxSpinEditProperties read GetActiveProperties;
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published
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property Anchors;
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property AutoSize;
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property BeepOnEnter;
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property Constraints;
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property DragMode;
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property Enabled;
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property ParentColor;
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property ParentFont;
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property ParentShowHint;
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property PopupMenu;
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property Properties: TcxSpinEditProperties read GetProperties write SetProperties;
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property ShowHint;
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property Style;
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property StyleDisabled;
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property StyleFocused;
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property StyleHot;
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property TabOrder;
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property TabStop;
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property Value;
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property Visible;
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{$IFDEF VCL}
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property DragCursor;
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property DragKind;
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property ImeMode;
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property ImeName;
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{$ENDIF}
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property OnClick;
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{$IFDEF DELPHI5}
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property OnContextPopup;
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{$ENDIF}
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property OnDblClick;
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property OnDragDrop;
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property OnDragOver;
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property OnEditing;
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property OnEndDrag;
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property OnEnter;
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property OnExit;
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property OnKeyDown;
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property OnKeyPress;
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property OnKeyUp;
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property OnMouseDown;
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property OnMouseEnter;
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property OnMouseLeave;
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property OnMouseMove;
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property OnMouseUp;
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property OnStartDrag;
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{$IFDEF VCL}
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property OnEndDock;
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property OnStartDock;
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{$ENDIF}
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end;
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{ TcxFilterSpinEditHelper }
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TcxFilterSpinEditHelper = class(TcxFilterMaskEditHelper)
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public
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class function EditPropertiesHasButtons: Boolean; override;
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class function GetFilterEditClass: TcxCustomEditClass; override;
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class function GetSupportedFilterOperators(
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AProperties: TcxCustomEditProperties;
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AValueTypeClass: TcxValueTypeClass;
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AExtendedSet: Boolean = False): TcxFilterControlOperators; override;
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class procedure InitializeProperties(AProperties,
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AEditProperties: TcxCustomEditProperties; AHasButtons: Boolean); override;
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end;
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implementation
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uses
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{$IFDEF VCL}
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dxOffice11, dxThemeConsts, dxThemeManager, dxUxTheme,
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{$ENDIF}
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cxGeometry, cxEditConsts, cxEditPaintUtils, cxEditUtils, cxFormats, Math;
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const
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cxSpinEditTimerInitialInterval = 400;
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cxSpinEditTimerInterval = 100;
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{$IFDEF DELPHI6}
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MaxIntValue = High(Int64);
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MinIntValue = Low(Int64);
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{$ELSE}
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MaxIntValue = High(Integer);
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MinIntValue = Low(Integer);
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{$ENDIF}
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type
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TcxSpinEditUltraFlatButtonPosition = (sufbpLeftMost, sufbpMiddle, sufbpRightMost,
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sufbpMiddleTop, sufbpMiddleBottom, sufbpRightTop, sufbpRightBottom);
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TcxSpinEditFlatButtonPosition = (sfbpLeftSide, sfbpLeftSideRightMost,
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sfbpRightSide, sfbpRightSideLeftMost, sfbpMiddleTop, sfbpMiddleBottom,
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sfbpRightTop, sfbpRightBottom);
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{$IFDEF VCL}
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procedure CalculateSpinEditViewInfo(AViewData: TcxSpinEditViewData;
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AViewInfo: TcxSpinEditViewInfo);
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const
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AButtonNativeStateMap: array [TcxEditButtonState] of Integer =
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(UPS_DISABLED, UPS_NORMAL, UPS_PRESSED, UPS_HOT);
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var
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ATheme: TdxTheme;
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I: Integer;
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begin
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if Length(AViewInfo.ButtonsInfo) = 0 then
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Exit;
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with AViewInfo do
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if NativeStyle and AreVisualStylesMustBeUsed(NativeStyle, totSpin) then
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begin
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ATheme := OpenTheme(totSpin);
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for I := 0 to Length(AViewInfo.ButtonsInfo) - 1 do
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begin
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ButtonsInfo[I].Data.NativeState := AButtonNativeStateMap[ButtonsInfo[I].Data.State];
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ButtonsInfo[I].Data.BackgroundPartiallyTransparent := IsThemeBackgroundPartiallyTransparent(
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ATheme, ButtonsInfo[I].Data.NativePart, ButtonsInfo[I].Data.NativeState);
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end
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end
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else
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|
for I := 0 to Length(AViewInfo.ButtonsInfo) - 1 do
|
|
ButtonsInfo[I].Data.NativeState := TC_NONE;
|
|
end;
|
|
{$ENDIF}
|
|
|
|
procedure DrawSpinEdit(ACanvas: TcxCanvas; AViewInfo: TcxSpinEditViewInfo);
|
|
var
|
|
APrevClipRgn: TcxRegion;
|
|
begin
|
|
DrawTextEdit(ACanvas, AViewInfo);
|
|
with AViewInfo do
|
|
if (Length(ButtonsInfo) > 0) and (ButtonsInfo[0].Data.NativePart <> TC_NONE) and
|
|
(ButtonsPosition <> sbpHorzLeftRight) and not IsCustomDrawButton then
|
|
begin
|
|
APrevClipRgn := ACanvas.GetClipRegion;
|
|
try
|
|
ACanvas.IntersectClipRect(AViewInfo.BorderRect);
|
|
InternalPolyLine(ACanvas, [DelimiterLine[0], DelimiterLine[1]], BackgroundColor, True);
|
|
finally
|
|
ACanvas.SetClipRegion(APrevClipRgn, roSet);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure DrawSpinEditFlatButtonBorder(ACanvas: TcxCanvas;
|
|
AButtonPosition: TcxSpinEditFlatButtonPosition; var R: TRect; AContentColor, ABorderColor: TColor);
|
|
begin
|
|
with R do
|
|
case AButtonPosition of
|
|
sfbpLeftSide:
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bBottom, bLeft, bTop], ABorderColor);
|
|
DrawButtonBorder(ACanvas, R, [bRight], AContentColor);
|
|
end;
|
|
sfbpLeftSideRightMost, sfbpRightSideLeftMost, sfbpRightTop:
|
|
begin
|
|
ACanvas.FrameRect(R, ABorderColor);
|
|
InflateRect(R, -1, -1);
|
|
end;
|
|
sfbpRightSide, sfbpMiddleTop:
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bTop, bRight, bBottom], ABorderColor);
|
|
DrawButtonBorder(ACanvas, R, [bLeft], AContentColor);
|
|
end;
|
|
sfbpMiddleBottom:
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bBottom, bRight], ABorderColor);
|
|
DrawButtonBorder(ACanvas, R, [bLeft, bTop], AContentColor);
|
|
end;
|
|
sfbpRightBottom:
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bLeft, bBottom, bRight], ABorderColor);
|
|
DrawButtonBorder(ACanvas, R, [bTop], AContentColor);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure DrawSpinEditUltraFlatButtonBorder(ACanvas: TcxCanvas; R: TRect;
|
|
AButtonPosition: TcxSpinEditUltraFlatButtonPosition; ABrushColor: TColor;
|
|
AButtonViewInfo: TcxEditButtonViewInfo; const ABounds: TRect;
|
|
AIsEditBackgroundTransparent, AHasExternalBorder: Boolean;
|
|
AEditBorderStyle: TcxEditBorderStyle; out ABackgroundRect, AContentRect: TRect);
|
|
var
|
|
AHighlightColor: TColor;
|
|
begin
|
|
AHighlightColor := GetEditBorderHighlightColor(
|
|
AButtonViewInfo.Data.Style = btsOffice11);
|
|
|
|
if (AButtonViewInfo.Data.State in [ebsDisabled, ebsNormal]) or
|
|
not AButtonViewInfo.Data.IsInplace and (AEditBorderStyle = ebsNone) or
|
|
AButtonViewInfo.Data.IsInplace and not AHasExternalBorder then
|
|
begin
|
|
if not(AButtonViewInfo.Data.State in [ebsDisabled, ebsNormal]) then
|
|
ACanvas.FrameRect(R, AHighlightColor)
|
|
else
|
|
if not AIsEditBackgroundTransparent then
|
|
ACanvas.FrameRect(R, AButtonViewInfo.Data.BackgroundColor);
|
|
InflateRect(R, -1, -1);
|
|
ABackgroundRect := R;
|
|
end
|
|
else
|
|
begin
|
|
ABackgroundRect := R;
|
|
case AButtonPosition of
|
|
sufbpLeftMost:
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bRight], AHighlightColor);
|
|
Dec(ABackgroundRect.Right);
|
|
ExtendRect(R, Rect(1, 1, 0, 1));
|
|
end;
|
|
sufbpMiddle:
|
|
if R.Left = ABounds.Left then
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bRight], AHighlightColor);
|
|
Dec(ABackgroundRect.Right);
|
|
ExtendRect(R, Rect(1, 1, 0, 1));
|
|
end
|
|
else
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bLeft, bRight], AHighlightColor);
|
|
ExtendRect(ABackgroundRect, Rect(1, 0, 1, 0));
|
|
ExtendRect(R, Rect(0, 1, 0, 1));
|
|
end;
|
|
sufbpRightMost:
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bLeft], AHighlightColor);
|
|
Inc(ABackgroundRect.Left);
|
|
ExtendRect(R, Rect(0, 1, 1, 1));
|
|
end;
|
|
sufbpRightTop:
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bBottom], AHighlightColor);
|
|
Dec(ABackgroundRect.Bottom);
|
|
if R.Left = ABounds.Left then
|
|
Inc(R.Left)
|
|
else
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bLeft], AHighlightColor);
|
|
Inc(ABackgroundRect.Left);
|
|
end;
|
|
ExtendRect(R, Rect(0, 1, 1, 0));
|
|
end;
|
|
sufbpRightBottom:
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bTop], AHighlightColor);
|
|
Inc(ABackgroundRect.Top);
|
|
if R.Left = ABounds.Left then
|
|
Inc(R.Left)
|
|
else
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bLeft], AHighlightColor);
|
|
Inc(ABackgroundRect.Left);
|
|
end;
|
|
ExtendRect(R, Rect(0, 0, 1, 1));
|
|
end;
|
|
sufbpMiddleTop:
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bLeft, bBottom, bRight], AHighlightColor);
|
|
ExtendRect(ABackgroundRect, Rect(1, 0, 1, 1));
|
|
Inc(R.Top);
|
|
end;
|
|
sufbpMiddleBottom:
|
|
begin
|
|
DrawButtonBorder(ACanvas, R, [bLeft, bTop, bRight], AHighlightColor);
|
|
ExtendRect(ABackgroundRect, Rect(1, 1, 1, 0));
|
|
Dec(R.Bottom);
|
|
end;
|
|
end;
|
|
end;
|
|
AContentRect := R;
|
|
end;
|
|
|
|
{ TcxSpinEditViewInfo }
|
|
|
|
procedure TcxSpinEditViewInfo.DrawButtonContent(ACanvas: TcxCanvas;
|
|
AButtonVisibleIndex: Integer; const AContentRect: TRect;
|
|
APenColor, ABrushColor: TColor; ANeedOffsetContent: Boolean);
|
|
|
|
const
|
|
APainterArrowMap: array[Boolean, 0..3] of TcxEditBtnKind = (
|
|
(cxbkSpinLeftBtn, cxbkSpinRightBtn, cxbkSpinLeftBtn, cxbkSpinRightBtn),
|
|
(cxbkSpinDownBtn, cxbkSpinUpBtn, cxbkSpinDownBtn, cxbkSpinUpBtn));
|
|
|
|
procedure InternalDrawArrow(const R: TRect; AColor: TColor);
|
|
const
|
|
AArrowDirectionMap: array[Boolean, 0..3] of TcxArrowDirection = (
|
|
(adLeft, adRight, adLeft, adRight),
|
|
(adDown, adUp, adLeft, adRight)
|
|
);
|
|
begin
|
|
DrawArrow(ACanvas, ArrowSize, R,
|
|
AArrowDirectionMap[ButtonsPosition = sbpVert, AButtonVisibleIndex],
|
|
AButtonVisibleIndex > 1, ANeedOffsetContent, AColor);
|
|
end;
|
|
|
|
var
|
|
AButtonInfo: TcxEditButtonViewInfo;
|
|
begin
|
|
AButtonInfo := ButtonsInfo[AButtonVisibleIndex];
|
|
if Painter <> nil then
|
|
begin
|
|
Painter.DrawEditorButton(ACanvas, AContentRect,
|
|
APainterArrowMap[ButtonsPosition = sbpVert, AButtonVisibleIndex],
|
|
EditBtnState2ButtonState[AButtonInfo.Data.State]);
|
|
end
|
|
else
|
|
if AButtonInfo.Data.State <> ebsDisabled then
|
|
InternalDrawArrow(AContentRect, APenColor)
|
|
else
|
|
begin
|
|
InternalDrawArrow(cxRectOffset(AContentRect, 1, 1), clBtnHighlight);
|
|
InternalDrawArrow(AContentRect, clBtnShadow);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxSpinEditViewInfo.DrawHotFlatButtonBorder(ACanvas: TcxCanvas; AButtonViewInfo: TcxEditButtonViewInfo;
|
|
var ARect: TRect; out AContentRect: TRect; var APenColor, ABrushColor: TColor);
|
|
|
|
function GetButtonPosition: TcxSpinEditFlatButtonPosition;
|
|
const
|
|
AButtonPositionA: array[Boolean, TcxSpinEditButtonsPosition, sebBackward..sebForward] of TcxSpinEditFlatButtonPosition = (
|
|
(
|
|
(sfbpLeftSideRightMost, sfbpRightSideLeftMost),
|
|
(sfbpRightSideLeftMost, sfbpRightSide),
|
|
(sfbpRightBottom, sfbpRightTop)
|
|
),
|
|
(
|
|
(sfbpLeftSideRightMost, sfbpRightSideLeftMost),
|
|
(sfbpRightSide, sfbpRightSide),
|
|
(sfbpMiddleBottom, sfbpMiddleTop)
|
|
)
|
|
);
|
|
AFastButtonPositionA: array[TcxSpinEditButtonsPosition, sebFastBackward..sebFastForward] of TcxSpinEditFlatButtonPosition = (
|
|
(sfbpLeftSide, sfbpRightSide),
|
|
(sfbpRightSideLeftMost, sfbpRightSide),
|
|
(sfbpRightSideLeftMost, sfbpRightSide)
|
|
);
|
|
begin
|
|
if AButtonViewInfo.Index > 1 then
|
|
Result := AFastButtonPositionA[ButtonsPosition, TcxSpinEditButton(AButtonViewInfo.Index)]
|
|
else
|
|
Result := AButtonPositionA[Length(ButtonsInfo) > 2, ButtonsPosition,
|
|
TcxSpinEditButton(AButtonViewInfo.Index)];
|
|
end;
|
|
|
|
const
|
|
ABrushColorA: array [TcxEditButtonState] of TColor = (
|
|
clBtnFace, clBtnFace, clBtnText, clBtnShadow
|
|
);
|
|
begin
|
|
with AButtonViewInfo do
|
|
begin
|
|
ABrushColor := ABrushColorA[Data.State];
|
|
if Data.Transparent then
|
|
ABrushColor := Data.BackgroundColor;
|
|
|
|
if Data.State in [ebsPressed, ebsSelected] then
|
|
if Data.Transparent and (Data.State = ebsSelected) then
|
|
APenColor := clBtnShadow
|
|
else
|
|
APenColor := clBtnHighlight
|
|
else
|
|
APenColor := clBtnText;
|
|
DrawSpinEditFlatButtonBorder(ACanvas, GetButtonPosition, ARect, ABrushColor, clBtnShadow);
|
|
|
|
AContentRect := ARect;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxSpinEditViewInfo.DrawNativeButtonBorder(ACanvas: TcxCanvas; AButtonViewInfo: TcxEditButtonViewInfo;
|
|
var ARect: TRect; out AContentRect: TRect; var APenColor, ABrushColor: TColor);
|
|
begin
|
|
if IsCustomDrawButton then
|
|
AContentRect := ARect
|
|
else
|
|
AContentRect := cxEmptyRect;
|
|
end;
|
|
|
|
procedure TcxSpinEditViewInfo.DrawUltraFlatButtonBorder(ACanvas: TcxCanvas; AButtonViewInfo: TcxEditButtonViewInfo;
|
|
AIsOffice11Style: Boolean; var ARect: TRect; var AContentRect: TRect; out APenColor, ABrushColor: TColor);
|
|
var
|
|
AButtonPosition: TcxSpinEditUltraFlatButtonPosition;
|
|
begin
|
|
with ACanvas, AButtonViewInfo do
|
|
begin
|
|
if AButtonViewInfo.Data.Transparent then
|
|
ABrushColor := Data.BackgroundColor
|
|
else
|
|
if AButtonViewInfo.Data.State = ebsDisabled then
|
|
ABrushColor := clBtnFace
|
|
else
|
|
if AButtonViewInfo.Data.State = ebsNormal then
|
|
if AIsOffice11Style then
|
|
ABrushColor := dxOffice11DockColor1
|
|
else
|
|
ABrushColor := clBtnFace
|
|
else
|
|
ABrushColor := GetEditButtonHighlightColor(
|
|
AButtonViewInfo.Data.State = ebsPressed, AIsOffice11Style);
|
|
case AButtonViewInfo.Index of
|
|
cxSpinFastBackwardButtonIndex:
|
|
if ButtonsPosition = sbpHorzLeftRight then
|
|
AButtonPosition := sufbpLeftMost
|
|
else
|
|
AButtonPosition := sufbpMiddle;
|
|
cxSpinFastForwardButtonIndex:
|
|
AButtonPosition := sufbpRightMost;
|
|
cxSpinBackwardButtonIndex:
|
|
if ButtonsPosition = sbpVert then
|
|
if Length(ButtonsInfo) > 2 then
|
|
AButtonPosition := sufbpMiddleBottom
|
|
else
|
|
AButtonPosition := sufbpRightBottom
|
|
else
|
|
if (Length(ButtonsInfo) = 2) and (ButtonsPosition = sbpHorzLeftRight) then
|
|
AButtonPosition := sufbpLeftMost
|
|
else
|
|
AButtonPosition := sufbpMiddle;
|
|
else
|
|
if ButtonsPosition = sbpVert then
|
|
if Length(ButtonsInfo) > 2 then
|
|
AButtonPosition := sufbpMiddleTop
|
|
else
|
|
AButtonPosition := sufbpRightTop
|
|
else
|
|
if Length(ButtonsInfo) > 2 then
|
|
AButtonPosition := sufbpMiddle
|
|
else
|
|
AButtonPosition := sufbpRightMost;
|
|
end;
|
|
DrawSpinEditUltraFlatButtonBorder(ACanvas, ARect,
|
|
AButtonPosition, ABrushColor, AButtonViewInfo, BorderRect,
|
|
Transparent, epoHasExternalBorder in PaintOptions, Self.BorderStyle,
|
|
ARect, AContentRect);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxSpinEditViewInfo.DrawNativeButtonBackground(ACanvas: TcxCanvas; AButtonViewInfo: TcxEditButtonViewInfo; const ARect: TRect);
|
|
begin
|
|
with AButtonViewInfo do
|
|
DrawThemeBackground(OpenTheme(totSpin), ACanvas.Handle, Data.NativePart,
|
|
Data.NativeState, ARect)
|
|
end;
|
|
|
|
procedure TcxSpinEditViewInfo.InternalPaint(ACanvas: TcxCanvas);
|
|
begin
|
|
DrawSpinEdit(ACanvas, Self);
|
|
end;
|
|
|
|
{ TcxSpinEditViewData }
|
|
|
|
procedure TcxSpinEditViewData.Calculate(ACanvas: TcxCanvas; const ABounds: TRect;
|
|
const P: TPoint; Button: TcxMouseButton; Shift: TShiftState; AViewInfo: TcxCustomEditViewInfo;
|
|
AIsMouseEvent: Boolean);
|
|
begin
|
|
inherited Calculate(ACanvas, ABounds, P, Button, Shift, AViewInfo, AIsMouseEvent);
|
|
CalculateSpinEditViewInfo(Self, TcxSpinEditViewInfo(AViewInfo));
|
|
end;
|
|
|
|
procedure TcxSpinEditViewData.CalculateButtonBounds(ACanvas: TcxCanvas;
|
|
AViewInfo: TcxCustomEditViewInfo; AButtonVisibleIndex: Integer;
|
|
var ButtonsRect: TRect);
|
|
var
|
|
AButtonWidth, ADefaultButtonHeight, AFastButtonWidth: Integer;
|
|
ANativeStyle: Boolean;
|
|
ASpinButtonsPosition: TcxSpinEditButtonsPosition;
|
|
ASpinEditViewInfo: TcxSpinEditViewInfo;
|
|
Y: Integer;
|
|
|
|
procedure CalculateButtonMetrics;
|
|
var
|
|
AClientExtent: TRect;
|
|
AEditButtonsExtent: TRect;
|
|
begin
|
|
ACanvas.Font := Style.GetVisibleFont;
|
|
AButtonWidth := CalculateEditDefaultButtonWidth(ACanvas, AViewInfo.ButtonsInfo[AButtonVisibleIndex]);
|
|
|
|
AClientExtent := GetClientExtent(ACanvas, AViewInfo);
|
|
AEditButtonsExtent := GetButtonsExtent(ACanvas);
|
|
TcxSpinEditViewInfo(AViewInfo).ArrowSize := GetArrowSize(Size(AButtonWidth + 2,
|
|
(ButtonsRect.Bottom - ButtonsRect.Top) div 2 + 2), adUp).cy;
|
|
if ANativeStyle then
|
|
begin
|
|
ADefaultButtonHeight := ACanvas.TextHeight('Zg') +
|
|
Self.GetEditContentSizeCorrection.cy + (AClientExtent.Top + AClientExtent.Bottom) -
|
|
(AEditButtonsExtent.Top + AEditButtonsExtent.Bottom) - 1;
|
|
ADefaultButtonHeight := ADefaultButtonHeight div 2 + Integer(Odd(ADefaultButtonHeight));
|
|
end
|
|
else
|
|
if Style.LookAndFeel.SkinPainter <> nil then
|
|
begin
|
|
with Style.LookAndFeel.SkinPainter.EditButtonSize do
|
|
begin
|
|
ADefaultButtonHeight := cy div 2 + TcxSpinEditViewInfo(AViewInfo).ArrowSize;
|
|
AFastButtonWidth := ADefaultButtonHeight * 3 div 2 + Integer(Odd(cy));
|
|
Exit;
|
|
end;
|
|
end
|
|
else
|
|
ADefaultButtonHeight := (TcxSpinEditViewInfo(AViewInfo).ArrowSize * 2 - 1) * 2 + 1 - 2;
|
|
AFastButtonWidth := MulDiv(ADefaultButtonHeight, 3, 2) + Integer(Odd(AFastButtonWidth));
|
|
end;
|
|
|
|
procedure UpdateButtonsNativePart;
|
|
|
|
procedure SetButtonsNativePart;
|
|
begin
|
|
if ASpinButtonsPosition = sbpVert then
|
|
begin
|
|
AViewInfo.ButtonsInfo[cxSpinBackwardButtonIndex].Data.NativePart := SPNP_DOWN;
|
|
AViewInfo.ButtonsInfo[cxSpinForwardButtonIndex].Data.NativePart := SPNP_UP;
|
|
end
|
|
else
|
|
begin
|
|
AViewInfo.ButtonsInfo[cxSpinBackwardButtonIndex].Data.NativePart := SPNP_DOWNHORZ;
|
|
AViewInfo.ButtonsInfo[cxSpinForwardButtonIndex].Data.NativePart := SPNP_UPHORZ;
|
|
end;
|
|
if Length(AViewInfo.ButtonsInfo) > 2 then
|
|
begin
|
|
AViewInfo.ButtonsInfo[cxSpinFastBackwardButtonIndex].Data.NativePart := SPNP_DOWNHORZ;
|
|
AViewInfo.ButtonsInfo[cxSpinFastForwardButtonIndex].Data.NativePart := SPNP_UPHORZ;
|
|
end;
|
|
end;
|
|
|
|
procedure ResetButtonsNativePart;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := Low(AViewInfo.ButtonsInfo) to High(AViewInfo.ButtonsInfo) do
|
|
AViewInfo.ButtonsInfo[I].Data.NativePart := TC_NONE;
|
|
end;
|
|
|
|
begin
|
|
if NativeStyle then
|
|
begin
|
|
SetButtonsNativePart;
|
|
end
|
|
else
|
|
ResetButtonsNativePart;
|
|
end;
|
|
|
|
procedure SetButtonsVisibleBounds;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := 0 to Length(AViewInfo.ButtonsInfo) - 1 do
|
|
with AViewInfo.ButtonsInfo[I] do
|
|
IntersectRect(VisibleBounds, Bounds, AViewInfo.BorderRect);
|
|
end;
|
|
|
|
function GetDelimiterSize: Integer;
|
|
begin
|
|
if Style.LookAndFeel.SkinPainter <> nil then
|
|
Result := -1
|
|
else
|
|
if ANativeStyle and not AViewInfo.IsCustomDrawButton then
|
|
Result := 1
|
|
else
|
|
Result := 0;
|
|
end;
|
|
|
|
var
|
|
APrevButtonsRect: TRect;
|
|
AShowFastButtons: Boolean;
|
|
begin
|
|
if AButtonVisibleIndex <> ButtonVisibleCount - 1 then
|
|
Exit;
|
|
APrevButtonsRect := ButtonsRect;
|
|
AShowFastButtons := Properties.SpinButtons.ShowFastButtons;
|
|
ASpinButtonsPosition := Properties.SpinButtons.Position;
|
|
ANativeStyle := AreVisualStylesMustBeUsed(AViewInfo.NativeStyle, totSpin);
|
|
ASpinEditViewInfo := TcxSpinEditViewInfo(AViewInfo);
|
|
TcxSpinEditViewInfo(AViewInfo).ButtonsPosition := Properties.SpinButtons.Position;
|
|
|
|
CalculateButtonMetrics;
|
|
if AShowFastButtons then
|
|
with AViewInfo.ButtonsInfo[cxSpinFastForwardButtonIndex] do
|
|
begin
|
|
Bounds := Rect(ButtonsRect.Right - AFastButtonWidth, ButtonsRect.Top,
|
|
ButtonsRect.Right, ButtonsRect.Bottom);
|
|
ButtonsRect.Right := Bounds.Left;
|
|
end;
|
|
|
|
if ASpinButtonsPosition = sbpVert then
|
|
begin
|
|
with AViewInfo.ButtonsInfo[cxSpinForwardButtonIndex] do
|
|
begin
|
|
Bounds := Rect(ButtonsRect.Right - AButtonWidth, ButtonsRect.Top,
|
|
ButtonsRect.Right, ButtonsRect.Top + (cxRectHeight(ButtonsRect) - GetDelimiterSize) div 2);
|
|
Y := Bounds.Bottom + GetDelimiterSize;
|
|
end;
|
|
with AViewInfo.ButtonsInfo[cxSpinBackwardButtonIndex] do
|
|
begin
|
|
Bounds := Rect(ButtonsRect.Right - AButtonWidth, Y,
|
|
ButtonsRect.Right, ButtonsRect.Bottom);
|
|
ButtonsRect.Right := Bounds.Left;
|
|
end;
|
|
end
|
|
else
|
|
begin
|
|
with AViewInfo.ButtonsInfo[cxSpinForwardButtonIndex] do
|
|
begin
|
|
Bounds := Rect(ButtonsRect.Right - ADefaultButtonHeight, ButtonsRect.Top,
|
|
ButtonsRect.Right, ButtonsRect.Bottom);
|
|
ButtonsRect.Right := Bounds.Left;
|
|
Dec(ButtonsRect.Right, GetDelimiterSize);
|
|
end;
|
|
end;
|
|
|
|
if ASpinButtonsPosition = sbpHorzLeftRight then
|
|
begin
|
|
if AShowFastButtons then
|
|
with AViewInfo.ButtonsInfo[cxSpinFastBackwardButtonIndex] do
|
|
begin
|
|
Bounds := Rect(ButtonsRect.Left, ButtonsRect.Top,
|
|
ButtonsRect.Left + AFastButtonWidth, ButtonsRect.Bottom);
|
|
ButtonsRect.Left := Bounds.Right;
|
|
end;
|
|
with AViewInfo.ButtonsInfo[cxSpinBackwardButtonIndex] do
|
|
Bounds := Rect(ButtonsRect.Left, ButtonsRect.Top,
|
|
ButtonsRect.Left + ADefaultButtonHeight, ButtonsRect.Bottom);
|
|
end
|
|
else
|
|
begin
|
|
if ASpinButtonsPosition = sbpHorzRight then
|
|
begin
|
|
with AViewInfo.ButtonsInfo[cxSpinBackwardButtonIndex] do
|
|
begin
|
|
Bounds := Rect(ButtonsRect.Right - ADefaultButtonHeight, ButtonsRect.Top,
|
|
ButtonsRect.Right, ButtonsRect.Bottom);
|
|
ButtonsRect.Right := Bounds.Left;
|
|
end;
|
|
end;
|
|
if AShowFastButtons then
|
|
with AViewInfo.ButtonsInfo[cxSpinFastBackwardButtonIndex] do
|
|
Bounds := Rect(ButtonsRect.Right - AFastButtonWidth, ButtonsRect.Top,
|
|
ButtonsRect.Right, ButtonsRect.Bottom);
|
|
end;
|
|
|
|
if ANativeStyle then
|
|
begin
|
|
case Properties.SpinButtons.Position of
|
|
sbpHorzLeftRight:
|
|
with ASpinEditViewInfo do
|
|
FillChar(DelimiterLine, SizeOf(DelimiterLine), 0);
|
|
sbpHorzRight:
|
|
with AViewInfo.ButtonsInfo[cxSpinBackwardButtonIndex].Bounds do
|
|
begin
|
|
ASpinEditViewInfo.DelimiterLine[0] := Point(Right, Top);
|
|
ASpinEditViewInfo.DelimiterLine[1] := Point(Right, Bottom - 1);
|
|
end;
|
|
sbpVert:
|
|
with AViewInfo.ButtonsInfo[cxSpinForwardButtonIndex].Bounds do
|
|
begin
|
|
ASpinEditViewInfo.DelimiterLine[0] := Point(Left, Bottom);
|
|
ASpinEditViewInfo.DelimiterLine[1] := Point(Right - 1, Bottom);
|
|
end;
|
|
end;
|
|
end;
|
|
UpdateButtonsNativePart;
|
|
ButtonsRect := APrevButtonsRect;
|
|
SetButtonsVisibleBounds;
|
|
end;
|
|
|
|
procedure TcxSpinEditViewData.CalculateButtonViewInfo(ACanvas: TcxCanvas;
|
|
AViewInfo: TcxCustomEditViewInfo; AButtonVisibleIndex: Integer;
|
|
var ButtonsRect: TRect);
|
|
begin
|
|
inherited CalculateButtonViewInfo(ACanvas, AViewInfo, AButtonVisibleIndex,
|
|
ButtonsRect);
|
|
if Properties.SpinButtons.Position = sbpHorzLeftRight then
|
|
begin
|
|
AViewInfo.ButtonsInfo[cxSpinBackwardButtonIndex].Data.LeftAlignment := True;
|
|
if Length(AViewInfo.ButtonsInfo) > 2 then
|
|
AViewInfo.ButtonsInfo[cxSpinFastBackwardButtonIndex].Data.LeftAlignment := True;
|
|
end;
|
|
end;
|
|
|
|
function TcxSpinEditViewData.CanPressButton(AViewInfo: TcxCustomEditViewInfo;
|
|
AButtonVisibleIndex: Integer): Boolean;
|
|
begin
|
|
if Edit <> nil then
|
|
Result := TcxCustomSpinEdit(Edit).PressedState = epsNone
|
|
else
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxSpinEditViewData.IsButtonPressed(AViewInfo: TcxCustomEditViewInfo;
|
|
AButtonVisibleIndex: Integer): Boolean;
|
|
var
|
|
APressedState: TcxSpinEditPressedState;
|
|
begin
|
|
if Edit = nil then
|
|
APressedState := epsNone
|
|
else
|
|
APressedState := TcxCustomSpinEdit(Edit).PressedState;
|
|
Result := (AButtonVisibleIndex + 1) = Integer(APressedState)
|
|
end;
|
|
|
|
{$IFDEF VCL}
|
|
procedure TcxSpinEditViewData.CalculateButtonNativeInfo(AButtonViewInfo: TcxEditButtonViewInfo);
|
|
begin
|
|
end;
|
|
{$ENDIF}
|
|
|
|
function TcxSpinEditViewData.GetProperties: TcxCustomSpinEditProperties;
|
|
begin
|
|
Result := TcxCustomSpinEditProperties(FProperties);
|
|
end;
|
|
|
|
{ TcxSpinEditButtons }
|
|
|
|
constructor TcxSpinEditButtons.Create(AOwner: TPersistent);
|
|
begin
|
|
inherited Create;
|
|
FOwner := AOwner;
|
|
FPosition := sbpVert;
|
|
FVisible := True;
|
|
end;
|
|
|
|
procedure TcxSpinEditButtons.Assign(Source: TPersistent);
|
|
begin
|
|
if Source is TcxSpinEditButtons then
|
|
begin
|
|
Properties.BeginUpdate;
|
|
try
|
|
with TcxSpinEditButtons(Source) do
|
|
begin
|
|
Self.Position := Position;
|
|
Self.ShowFastButtons := ShowFastButtons;
|
|
Self.Visible := Visible;
|
|
end;
|
|
finally
|
|
Properties.EndUpdate;
|
|
end;
|
|
end
|
|
else
|
|
inherited Assign(Source);
|
|
end;
|
|
|
|
procedure TcxSpinEditButtons.Changed;
|
|
begin
|
|
Properties.Changed;
|
|
end;
|
|
|
|
function TcxSpinEditButtons.GetProperties: TcxCustomSpinEditProperties;
|
|
begin
|
|
Result := TcxCustomSpinEditProperties(FOwner);
|
|
end;
|
|
|
|
procedure TcxSpinEditButtons.SetPosition(Value: TcxSpinEditButtonsPosition);
|
|
begin
|
|
if Value <> FPosition then
|
|
begin
|
|
FPosition := Value;
|
|
Changed;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxSpinEditButtons.SetShowFastButtons(Value: Boolean);
|
|
begin
|
|
if Value <> FShowFastButtons then
|
|
begin
|
|
FShowFastButtons := Value;
|
|
Changed;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxSpinEditButtons.SetVisible(Value: Boolean);
|
|
begin
|
|
if Value <> FVisible then
|
|
begin
|
|
FVisible := Value;
|
|
Changed;
|
|
end;
|
|
end;
|
|
|
|
{ TcxSpinEditPropertiesValues }
|
|
|
|
procedure TcxSpinEditPropertiesValues.Assign(Source: TPersistent);
|
|
begin
|
|
if Source is TcxSpinEditPropertiesValues then
|
|
begin
|
|
BeginUpdate;
|
|
try
|
|
inherited Assign(Source);
|
|
ValueType := TcxSpinEditPropertiesValues(Source).ValueType;
|
|
finally
|
|
EndUpdate;
|
|
end;
|
|
end
|
|
else
|
|
inherited Assign(Source);
|
|
end;
|
|
|
|
procedure TcxSpinEditPropertiesValues.RestoreDefaults;
|
|
begin
|
|
BeginUpdate;
|
|
try
|
|
inherited RestoreDefaults;
|
|
ValueType := False;
|
|
finally
|
|
EndUpdate;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxSpinEditPropertiesValues.SetValueType(Value: Boolean);
|
|
begin
|
|
if Value <> FValueType then
|
|
begin
|
|
FValueType := Value;
|
|
Changed;
|
|
end;
|
|
end;
|
|
|
|
{ TcxCustomSpinEditProperties }
|
|
|
|
constructor TcxCustomSpinEditProperties.Create(AOwner: TPersistent);
|
|
begin
|
|
inherited Create(AOwner);
|
|
Buttons.Add;
|
|
Buttons.Add;
|
|
FSpinButtons := TcxSpinEditButtons.Create(Self);
|
|
FCanEdit := True;
|
|
FIncrement := 1.0;
|
|
FLargeIncrement := 10.0;
|
|
end;
|
|
|
|
destructor TcxCustomSpinEditProperties.Destroy;
|
|
begin
|
|
FreeAndNil(FSpinButtons);
|
|
inherited Destroy;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEditProperties.Assign(Source: TPersistent);
|
|
begin
|
|
if Source is TcxCustomSpinEditProperties then
|
|
begin
|
|
BeginUpdate;
|
|
try
|
|
with Source as TcxCustomSpinEditProperties do
|
|
begin
|
|
Self.FIDefaultValuesProvider := FIDefaultValuesProvider;
|
|
Self.AssignedValues.ValueType := False;
|
|
if AssignedValues.ValueType then
|
|
Self.ValueType := ValueType;
|
|
end;
|
|
inherited Assign(Source);
|
|
with Source as TcxCustomSpinEditProperties do
|
|
begin
|
|
Self.CanEdit := CanEdit;
|
|
Self.Circular := Circular;
|
|
Self.ExceptionOnInvalidInput := ExceptionOnInvalidInput;
|
|
Self.Increment := Increment;
|
|
Self.LargeIncrement := LargeIncrement;
|
|
Self.SpinButtons := SpinButtons;
|
|
Self.UseCtrlIncrement := UseCtrlIncrement;
|
|
Self.OnGetValue := OnGetValue;
|
|
end;
|
|
finally
|
|
EndUpdate;
|
|
end
|
|
end
|
|
else
|
|
inherited Assign(Source);
|
|
end;
|
|
|
|
procedure TcxCustomSpinEditProperties.Changed;
|
|
|
|
function GetButtonCount: Integer;
|
|
begin
|
|
Result := 0;
|
|
if SpinButtons.Visible then
|
|
begin
|
|
Inc(Result, 2);
|
|
if SpinButtons.ShowFastButtons then
|
|
Inc(Result, 2);
|
|
end;
|
|
end;
|
|
|
|
var
|
|
AButtonCount: Integer;
|
|
begin
|
|
if FSpinButtons <> nil then
|
|
begin
|
|
BeginUpdate;
|
|
try
|
|
AButtonCount := GetButtonCount;
|
|
while Buttons.Count < AButtonCount do
|
|
Buttons.Add;
|
|
while Buttons.Count > AButtonCount do
|
|
Buttons[0].Free;
|
|
finally
|
|
EndUpdate(False);
|
|
end;
|
|
end;
|
|
inherited Changed;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.CreateViewData(AStyle: TcxCustomEditStyle;
|
|
AIsInplace: Boolean; APreviewMode: Boolean = False): TcxCustomEditViewData;
|
|
begin
|
|
Result := inherited CreateViewData(AStyle, AIsInplace, APreviewMode);
|
|
with TcxSpinEditViewData(Result) do
|
|
if Edit <> nil then
|
|
PressedState := TcxCustomSpinEdit(Edit).FPressedState
|
|
else
|
|
PressedState := epsNone;
|
|
end;
|
|
|
|
class function TcxCustomSpinEditProperties.GetContainerClass: TcxContainerClass;
|
|
begin
|
|
Result := TcxSpinEdit;
|
|
end;
|
|
|
|
class function TcxCustomSpinEditProperties.GetViewInfoClass: TcxContainerViewInfoClass;
|
|
begin
|
|
Result := TcxSpinEditViewInfo;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.IsDisplayValueValid(var DisplayValue: TcxEditValue; AEditFocused: Boolean):
|
|
Boolean;
|
|
var
|
|
AValue: TcxEditValue;
|
|
begin
|
|
Result := inherited IsDisplayValueValid(DisplayValue, AEditFocused);
|
|
if not Result or not IsDisplayValueNumeric then
|
|
Exit;
|
|
try
|
|
if DisplayValue <> '' then
|
|
begin
|
|
Result := TryTextToValue(Trim(VarToStr(DisplayValue)), AValue);
|
|
if not Result then
|
|
Exit;
|
|
if (AValue < InternalMinValue) or (AValue > InternalMaxValue) then
|
|
DisplayValue := VarToStr(AValue);
|
|
end;
|
|
Result := True;
|
|
except
|
|
on EConvertError do
|
|
Result := False;
|
|
end;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.IsEditValueValid(var EditValue: TcxEditValue;
|
|
AEditFocused: Boolean): Boolean;
|
|
var
|
|
AValue: TcxEditValue;
|
|
begin
|
|
if VarIsStr(EditValue) or VarIsNumericEx(EditValue) then
|
|
begin
|
|
Result := TryTextToValue(VarToStr(EditValue), AValue);
|
|
if Result then
|
|
EditValue := AValue;
|
|
end
|
|
else
|
|
Result := {VarIsNumericEx(EditValue) or} VarIsSoftNull(EditValue) or
|
|
VarIsDate(EditValue);
|
|
if not Result then
|
|
Exit;
|
|
try
|
|
EditValue := PrepareValue(EditValue);
|
|
// EditValue := CheckValueBounds(EditValue);
|
|
EditValue := SetVariantType(EditValue);
|
|
except
|
|
Result := False;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEditProperties.ValidateDisplayValue(
|
|
var ADisplayValue: TcxEditValue; var AErrorText: TCaption;
|
|
var AError: Boolean; AEdit: TcxCustomEdit);
|
|
var
|
|
AEditValue: TcxEditValue;
|
|
AIsUserErrorDisplayValue: Boolean;
|
|
begin
|
|
if TcxCustomSpinEdit(AEdit).FIsCustomText then
|
|
AError := not TcxCustomSpinEdit(AEdit).InternalPrepareEditValue(ADisplayValue,
|
|
False, AEditValue, AErrorText)
|
|
else
|
|
AEditValue := TcxCustomSpinEdit(AEdit).FInternalValue;
|
|
if not AError then
|
|
begin
|
|
if VarIsNull(AEditValue) then
|
|
begin
|
|
AEditValue := CheckValueBounds(0);
|
|
AEditValue := SetVariantType(AEditValue);
|
|
end;
|
|
if not ExceptionOnInvalidInput then
|
|
if AEditValue < InternalMinValue then
|
|
AEditValue := InternalMinValue
|
|
else
|
|
if AEditValue > InternalMaxValue then
|
|
AEditValue := InternalMaxValue;
|
|
ADisplayValue := VarToStr(AEditValue);
|
|
if ExceptionOnInvalidInput then
|
|
begin
|
|
AError := (AEditValue < InternalMinValue) or (AEditValue > InternalMaxValue);
|
|
if AError then
|
|
AErrorText := cxGetResourceString(@cxSEditValueOutOfBounds);
|
|
end;
|
|
end;
|
|
|
|
DoValidate(ADisplayValue, AErrorText, AError, AEdit, AIsUserErrorDisplayValue);
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.DefaultFocusedDisplayValue: TcxEditValue;
|
|
begin
|
|
PrepareDisplayValue(CheckValueBounds(0), Result, True)
|
|
end;
|
|
|
|
class function TcxCustomSpinEditProperties.GetAssignedValuesClass: TcxCustomEditPropertiesValuesClass;
|
|
begin
|
|
Result := TcxSpinEditPropertiesValues;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.GetEditValueSource(AEditFocused: Boolean): TcxDataEditValueSource;
|
|
begin
|
|
if not AEditFocused and not AssignedValues.DisplayFormat then
|
|
Result := evsText
|
|
else
|
|
Result := evsValue;
|
|
end;
|
|
|
|
class function TcxCustomSpinEditProperties.GetViewDataClass: TcxCustomEditViewDataClass;
|
|
begin
|
|
Result := TcxSpinEditViewData;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.IsEditValueNumeric: Boolean;
|
|
begin
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.CheckValueBounds(const Value: Variant): Variant;
|
|
begin
|
|
Result := Value;
|
|
if VarIsNumericEx(Result) then
|
|
if IsValueBoundDefined(evbMin) and (Result < MinValue) then
|
|
Result := MinValue
|
|
else
|
|
if IsValueBoundDefined(evbMax) and (Result > MaxValue) then
|
|
Result := MaxValue;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.ExtendValueUpToBound: Boolean;
|
|
begin
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.GetBoundsCheckingKind: TcxSpinBoundsCheckingKind;
|
|
begin
|
|
if FCircular then
|
|
Result := bckCircular
|
|
else
|
|
if ExtendValueUpToBound then
|
|
Result := bckExtendToBound
|
|
else
|
|
Result := bckDoNotExceed;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.GetMaxMinValueForCurrentValueType(
|
|
AMinValue: Boolean = True): TcxEditValue;
|
|
begin
|
|
if ValueType = vtInt then
|
|
if AMinValue then
|
|
Result := MinIntValue
|
|
else
|
|
Result := MaxIntValue
|
|
else
|
|
if AMinValue then
|
|
Result := -MaxDouble
|
|
else
|
|
Result := MaxDouble;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.InternalMaxValue: TcxEditValue;
|
|
begin
|
|
if IsValueBoundDefined(evbMax) then
|
|
Result := DoubleAsValueType(MaxValue, ValueType)
|
|
else
|
|
Result := GetMaxMinValueForCurrentValueType(False);
|
|
Result := VarToCurrentValueType(Result);
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.InternalMinValue: TcxEditValue;
|
|
begin
|
|
if IsValueBoundDefined(evbMin) then
|
|
Result := DoubleAsValueType(MinValue, ValueType)
|
|
else
|
|
Result := GetMaxMinValueForCurrentValueType;
|
|
Result := VarToCurrentValueType(Result);
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.IsDisplayValueNumeric: Boolean;
|
|
begin
|
|
Result := True;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.IsValueBoundsValid(AValue: Extended): Boolean;
|
|
begin
|
|
if ValueType = vtInt then
|
|
Result := (AValue >= MinIntValue) and (AValue <= MaxIntValue)
|
|
else
|
|
Result := (AValue >= -MaxDouble) and (AValue <= MaxDouble);
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.PrepareValue(const AValue: TcxEditValue): Variant;
|
|
begin
|
|
if VarIsSoftNull(AValue) then
|
|
Result := VarToCurrentValueType(0)
|
|
else
|
|
Result := VarToCurrentValueType(AValue);
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.PreserveSelection: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.SetVariantType(const Value: TcxEditValue): TcxEditValue;
|
|
begin
|
|
if VarIsNumericEx(Value) then
|
|
Result := VarToCurrentValueType(Value)
|
|
else
|
|
Result := Value;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.DoubleAsValueType(AValue: Double;
|
|
AValueType: TcxSpinEditValueType): Double;
|
|
begin
|
|
if AValueType = vtInt then
|
|
Result := Round(AValue)
|
|
else
|
|
Result := AValue;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.GetAssignedValues: TcxSpinEditPropertiesValues;
|
|
begin
|
|
Result := TcxSpinEditPropertiesValues(FAssignedValues);
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.GetValueType: TcxSpinEditValueType;
|
|
const
|
|
ASpinEditValueTypeMap: array [Boolean] of TcxSpinEditValueType = (vtInt, vtFloat);
|
|
begin
|
|
if AssignedValues.ValueType then
|
|
Result := FValueType
|
|
else
|
|
if IDefaultValuesProvider <> nil then
|
|
Result := ASpinEditValueTypeMap[IDefaultValuesProvider.DefaultIsFloatValue]
|
|
else
|
|
Result := vtFloat;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.IsIncrementStored: Boolean;
|
|
begin
|
|
Result := FIncrement <> 1.0;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.IsLargeIncrementStored: Boolean;
|
|
begin
|
|
Result := FLargeIncrement <> 10.0;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.IsValueTypeStored: Boolean;
|
|
begin
|
|
Result := AssignedValues.ValueType;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEditProperties.SetAssignedValues(
|
|
Value: TcxSpinEditPropertiesValues);
|
|
begin
|
|
FAssignedValues.Assign(Value);
|
|
end;
|
|
|
|
procedure TcxCustomSpinEditProperties.SetCircular(Value: Boolean);
|
|
begin
|
|
if Value <> FCircular then
|
|
begin
|
|
FCircular := Value;
|
|
Changed;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEditProperties.SetSpinButtons(Value: TcxSpinEditButtons);
|
|
begin
|
|
FSpinButtons.Assign(Value);
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.TryTextToValue(S: string;
|
|
out AValue: TcxEditValue): Boolean;
|
|
var
|
|
AExtendedValue: Extended;
|
|
AIntegerValue: {$IFDEF DELPHI6}Int64{$ELSE}Integer{$ENDIF};
|
|
{$IFNDEF DELPHI6}
|
|
E: Integer;
|
|
{$ENDIF}
|
|
begin
|
|
AValue := Null;
|
|
AIntegerValue := 0;
|
|
if ValueType = vtInt then
|
|
begin
|
|
{$IFDEF DELPHI6}
|
|
Result := TryStrToInt64(S, AIntegerValue);
|
|
{$ELSE}
|
|
Val(S, AIntegerValue, E);
|
|
Result := E = 0;
|
|
{$ENDIF}
|
|
end
|
|
else
|
|
begin
|
|
Result := TextToFloat(PChar(S), AExtendedValue, fvExtended);
|
|
Result := Result and IsValueBoundsValid(AExtendedValue);
|
|
end;
|
|
if Result then
|
|
begin
|
|
if ValueType = vtInt then
|
|
AValue := AIntegerValue
|
|
else
|
|
AValue := AExtendedValue;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEditProperties.SetValueType(Value: TcxSpinEditValueType);
|
|
begin
|
|
if AssignedValues.ValueType and (Value = FValueType) then
|
|
Exit;
|
|
AssignedValues.FValueType := True;
|
|
FValueType := Value;
|
|
Changed;
|
|
end;
|
|
|
|
function TcxCustomSpinEditProperties.VarToCurrentValueType(AValue: TcxEditValue): TcxEditValue;
|
|
begin
|
|
if ValueType = vtFloat then
|
|
Result := VarAsType(AValue, varDouble)
|
|
else
|
|
Result := VarAsType(AValue, {$IFDEF DELPHI6}varInt64{$ELSE}varInteger{$ENDIF});
|
|
end;
|
|
|
|
{ TcxCustomSpinEdit }
|
|
|
|
procedure TcxCustomSpinEdit.ClearSelection;
|
|
begin
|
|
if not (Focused and not ActiveProperties.CanEdit) then
|
|
begin
|
|
FIsCustomTextAction := True;
|
|
try
|
|
inherited ClearSelection;
|
|
finally
|
|
FIsCustomTextAction := False;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.CutToClipboard;
|
|
begin
|
|
if not (Focused and not ActiveProperties.CanEdit) then
|
|
begin
|
|
FIsCustomTextAction := True;
|
|
try
|
|
inherited CutToClipboard;
|
|
finally
|
|
FIsCustomTextAction := False;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
class function TcxCustomSpinEdit.GetPropertiesClass: TcxCustomEditPropertiesClass;
|
|
begin
|
|
Result := TcxCustomSpinEditProperties;
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.Increment(AButton: TcxSpinEditButton): Boolean;
|
|
|
|
function GetMinMaxValueDelta(const AValue: Variant;
|
|
AIsMin: Boolean = True): Variant;
|
|
var
|
|
ADelta, AMaxRange, ARange: Variant;
|
|
begin
|
|
if AIsMin then
|
|
begin
|
|
AMaxRange := ActiveProperties.GetMaxMinValueForCurrentValueType;
|
|
ARange := ActiveProperties.InternalMinValue;
|
|
end
|
|
else
|
|
begin
|
|
AMaxRange := ActiveProperties.GetMaxMinValueForCurrentValueType(False);
|
|
ARange := ActiveProperties.InternalMaxValue;
|
|
end;
|
|
|
|
if (ARange > 0) and (AValue > 0) or
|
|
(ARange < 0) and (AValue < 0) then
|
|
Result := ARange - AValue
|
|
else
|
|
begin
|
|
ADelta := AMaxRange - ARange;
|
|
ADelta := ADelta + AValue;
|
|
if (ADelta < 0) and (AValue < 0) or
|
|
(ADelta > 0) and (AValue > 0) then
|
|
Result := AMaxRange
|
|
else
|
|
Result := ARange - AValue;
|
|
end;
|
|
end;
|
|
|
|
function InternalIncrement(var AValue: Variant; AIncrement: Variant): Boolean;
|
|
var
|
|
AMaxValueDelta, AMinValueDelta: TcxEditValue;
|
|
begin
|
|
Result := True;
|
|
AIncrement := ActiveProperties.VarToCurrentValueType(AIncrement);
|
|
AMinValueDelta := GetMinMaxValueDelta(AValue);
|
|
AMaxValueDelta := GetMinMaxValueDelta(AValue, False);
|
|
if (AIncrement < AMinValueDelta) or (AIncrement > AMaxValueDelta) then
|
|
case ActiveProperties.GetBoundsCheckingKind of
|
|
bckDoNotExceed:
|
|
begin
|
|
Result := False;
|
|
Exit;
|
|
end;
|
|
bckExtendToBound:
|
|
if AIncrement < AMinValueDelta then
|
|
AValue := ActiveProperties.InternalMinValue
|
|
else
|
|
AValue := ActiveProperties.InternalMaxValue;
|
|
bckCircular:
|
|
if AIncrement < AMinValueDelta then
|
|
AValue := ActiveProperties.InternalMaxValue + AIncrement + 1
|
|
- AMinValueDelta
|
|
else
|
|
AValue := ActiveProperties.InternalMinValue + AIncrement - 1
|
|
- AMaxValueDelta;
|
|
end
|
|
else
|
|
AValue := AValue + AIncrement;
|
|
end;
|
|
|
|
function GetNewValue(out AValue: Variant): Boolean;
|
|
var
|
|
ABoundsCheckingKind: TcxSpinBoundsCheckingKind;
|
|
begin
|
|
Result := False;
|
|
with ActiveProperties do
|
|
begin
|
|
ABoundsCheckingKind := ActiveProperties.GetBoundsCheckingKind;
|
|
AValue := Value;
|
|
if AValue < InternalMinValue then
|
|
if AButton in [sebForward, sebFastForward] then
|
|
AValue := InternalMinValue
|
|
else
|
|
if ABoundsCheckingKind = bckCircular then
|
|
AValue := InternalMaxValue
|
|
else
|
|
Exit
|
|
else
|
|
if AValue > InternalMaxValue then
|
|
if AButton in [sebBackward, sebFastBackward] then
|
|
AValue := InternalMaxValue
|
|
else
|
|
if ABoundsCheckingKind = bckCircular then
|
|
AValue := InternalMinValue
|
|
else
|
|
Exit
|
|
else
|
|
begin
|
|
if not InternalIncrement(AValue, GetIncrement(AButton)) then
|
|
Exit;
|
|
end;
|
|
end;
|
|
Result := True;
|
|
AValue := ActiveProperties.SetVariantType(AValue);
|
|
end;
|
|
|
|
var
|
|
ADisplayValue: TcxEditValue;
|
|
APrevText: string;
|
|
AValue: Variant;
|
|
APrevSelStart: Integer;
|
|
APrevSelLength: Integer;
|
|
begin
|
|
LockChangeEvents(True);
|
|
try
|
|
Result := False;
|
|
if not DoEditing then
|
|
Exit;
|
|
if not GetNewValue(AValue) then
|
|
Exit;
|
|
|
|
APrevText := Text;
|
|
|
|
ADisplayValue := IncrementValueToStr(AValue);
|
|
APrevSelStart := SelStart;
|
|
APrevSelLength := SelLength;
|
|
SetInternalValue(AValue);
|
|
KeyboardAction := True;
|
|
try
|
|
SetInternalDisplayValue(ADisplayValue);
|
|
finally
|
|
KeyboardAction := False;
|
|
end;
|
|
Result := not InternalCompareString(APrevText, Text, True);
|
|
if Result then
|
|
begin
|
|
ModifiedAfterEnter := True;
|
|
if ActiveProperties.PreserveSelection then
|
|
SetSelection(APrevSelStart, APrevSelLength)
|
|
else
|
|
SelStart := Length(Text);
|
|
if ActiveProperties.ImmediatePost and CanPostEditValue and ValidateEdit(True) then
|
|
begin
|
|
InternalPostEditValue;
|
|
SynchronizeDisplayValue;
|
|
end;
|
|
end;
|
|
finally
|
|
LockChangeEvents(False);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.PasteFromClipboard;
|
|
begin
|
|
if not (Focused and not ActiveProperties.CanEdit) then
|
|
begin
|
|
FIsCustomTextAction := True;
|
|
try
|
|
inherited PasteFromClipboard;
|
|
finally
|
|
FIsCustomTextAction := False;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.PrepareEditValue(const ADisplayValue: TcxEditValue;
|
|
out EditValue: TcxEditValue; AEditFocused: Boolean);
|
|
var
|
|
AErrorText: TCaption;
|
|
begin
|
|
InternalPrepareEditValue(ADisplayValue, True, EditValue, AErrorText);
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.ChangeHandler(Sender: TObject);
|
|
begin
|
|
FIsCustomText := FIsCustomTextAction;
|
|
inherited ChangeHandler(Sender);
|
|
FIsCustomTextAction := False;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.CheckEditorValueBounds;
|
|
begin
|
|
KeyboardAction := ModifiedAfterEnter;
|
|
try
|
|
with ActiveProperties do
|
|
if Value < InternalMinValue then
|
|
Value := InternalMinValue
|
|
else
|
|
if Value > InternalMaxValue then
|
|
Value := InternalMaxValue;
|
|
finally
|
|
KeyboardAction := False;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.DblClick;
|
|
var
|
|
P: TPoint;
|
|
begin
|
|
inherited DblClick;
|
|
P := ScreenToClient(InternalGetCursorPos);
|
|
if ButtonVisibleIndexAt(P) = -1 then
|
|
StopTracking;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.DoButtonDown(AButtonVisibleIndex: Integer);
|
|
|
|
procedure CreateTimer;
|
|
begin
|
|
if ActiveProperties.ReadOnly or not DataBinding.IsDataAvailable then
|
|
Exit;
|
|
if FTimer <> nil then
|
|
FTimer.Free;
|
|
FTimer := TcxTimer.Create(Self);
|
|
FTimer.Interval := cxSpinEditTimerInitialInterval;
|
|
FTimer.OnTimer := HandleTimer;
|
|
end;
|
|
|
|
begin
|
|
inherited DoButtonDown(AButtonVisibleIndex);
|
|
if FPressedState = epsNone then
|
|
with ViewInfo do
|
|
if PressedButton <> -1 then
|
|
begin
|
|
Increment(TcxSpinEditButton(PressedButton));
|
|
CreateTimer;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.DoEditKeyDown(var Key: Word; Shift: TShiftState);
|
|
const
|
|
APressedStateMap: array[TcxSpinEditButton] of TcxSpinEditPressedState =
|
|
(epsDown, epsUp, epsFastDown, epsFastUp);
|
|
var
|
|
AButton: TcxSpinEditButton;
|
|
begin
|
|
FIsCustomTextAction := False;
|
|
if ((Key = VK_UP) or (Key = VK_DOWN) or (Key = VK_NEXT) or (Key = VK_PRIOR)) and
|
|
not (ActiveProperties.UseCtrlIncrement and not (ssCtrl in Shift)) then
|
|
begin
|
|
if not DataBinding.Modified and not DoEditing then
|
|
Exit;
|
|
case Key of
|
|
VK_UP:
|
|
AButton := sebForward;
|
|
VK_DOWN:
|
|
AButton := sebBackward;
|
|
VK_PRIOR:
|
|
AButton := sebFastForward;
|
|
else
|
|
AButton := sebFastBackward;
|
|
end;
|
|
PressedState := APressedStateMap[AButton];
|
|
|
|
if {$IFDEF MSWINDOWS}HasNativeHandle(Self, GetCapture){$ELSE}HasNativeHandle(Self,
|
|
QWidget_mouseGrabber){$ENDIF} then
|
|
SetCaptureControl(nil);
|
|
Increment(AButton);
|
|
Key := 0;
|
|
end
|
|
else
|
|
begin
|
|
StopTracking;
|
|
if Key <> VK_ESCAPE then
|
|
FIsCustomTextAction := True;
|
|
if not ActiveProperties.CanEdit and CanKeyDownModifyEdit(Key, Shift) then
|
|
begin
|
|
DoAfterKeyDown(Key, Shift);
|
|
Key := 0;
|
|
end;
|
|
end;
|
|
|
|
if Key <> 0 then
|
|
inherited DoEditKeyDown(Key, Shift);
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.DoEditKeyPress(var Key: Char);
|
|
begin
|
|
if (Key = '.') or (Key = ',') then
|
|
Key := DecimalSeparator;
|
|
if IsTextChar(Key) or (Key = Char(VK_BACK)) or (Key = Char(VK_DELETE)) then
|
|
if not IsValidChar(Key) then
|
|
begin
|
|
Key := #0;
|
|
Beep;
|
|
end
|
|
else
|
|
FIsCustomTextAction := True;
|
|
if Key <> #0 then
|
|
inherited DoEditKeyPress(Key);
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.DoEditKeyUp(var Key: Word; Shift: TShiftState);
|
|
begin
|
|
FIsCustomTextAction := False;
|
|
inherited DoEditKeyUp(Key, Shift);
|
|
if Key = 0 then
|
|
Exit;
|
|
if (Key = VK_UP) or (Key = VK_DOWN) or (Key = VK_NEXT) or (Key = VK_PRIOR) then
|
|
StopTracking;
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.DoMouseWheelDown(Shift: TShiftState; {$IFNDEF VCL}const{$ENDIF}
|
|
MousePos: TPoint): Boolean;
|
|
begin
|
|
Result := HandleMouseWheel(Shift);
|
|
if Result then
|
|
Increment(sebBackward);
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.DoMouseWheelUp(Shift: TShiftState; {$IFNDEF VCL}const{$ENDIF}
|
|
MousePos: TPoint): Boolean;
|
|
begin
|
|
Result := HandleMouseWheel(Shift);
|
|
if Result then
|
|
Increment(sebForward);
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.FocusChanged;
|
|
begin
|
|
inherited FocusChanged;
|
|
StopTracking;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.Initialize;
|
|
begin
|
|
inherited Initialize;
|
|
InternalEditValue := 0;
|
|
FPressedState := epsNone;
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.InternalGetEditingValue: TcxEditValue;
|
|
begin
|
|
Result := Value;
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.InternalGetNotPublishedStyleValues: TcxEditStyleValues;
|
|
begin
|
|
Result := [svPopupBorderStyle];
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.IsValidChar(AChar: Char): Boolean;
|
|
begin
|
|
with ActiveProperties do
|
|
if CanEdit and IsOnGetValueEventAssigned then
|
|
begin
|
|
Result := True;
|
|
Exit;
|
|
end;
|
|
if ActiveProperties.ValueType = vtFloat then
|
|
Result := IsNumericChar(AChar, ntExponent)
|
|
else
|
|
Result := IsNumericChar(AChar, ntInteger) or
|
|
(AChar = 'e') or (AChar = 'E');
|
|
Result := Result or (AChar < #32) or
|
|
(AnsiChar(AChar) in ActiveProperties.ValidChars);
|
|
if not ActiveProperties.CanEdit and Result and ((AChar >= #32) or
|
|
(AChar = Char(#8)) or (AChar = Char(VK_DELETE))) then
|
|
Result := False;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.MouseUp(Button: TMouseButton; Shift: TShiftState;
|
|
X, Y: Integer);
|
|
begin
|
|
inherited MouseUp(Button, Shift, X, Y);
|
|
StopTracking;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.PropertiesChanged(Sender: TObject);
|
|
begin
|
|
inherited PropertiesChanged(Sender);
|
|
if not DataBinding.CanCheckEditorValue and ModifiedAfterEnter then
|
|
CheckEditorValueBounds;
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.RefreshContainer(const P: TPoint; Button: TcxMouseButton;
|
|
Shift: TShiftState; AIsMouseEvent: Boolean): Boolean;
|
|
begin
|
|
Result := inherited RefreshContainer(P, Button, Shift, AIsMouseEvent);
|
|
with ViewInfo do
|
|
if (Length(ButtonsInfo) > 0) and (PressedButton = -1) and (CaptureButtonVisibleIndex = -1) then
|
|
StopTracking;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.SynchronizeDisplayValue;
|
|
var
|
|
AValue: TcxEditValue;
|
|
begin
|
|
AValue := EditValue;
|
|
with ActiveProperties do
|
|
if IsEditValueValid(AValue, Focused) then
|
|
SetInternalValue(PrepareValue(AValue))
|
|
else
|
|
SetInternalValue(ActiveProperties.CheckValueBounds(0));
|
|
inherited SynchronizeDisplayValue;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.SynchronizeEditValue;
|
|
begin
|
|
inherited SynchronizeEditValue;
|
|
SetInternalValue(FEditValue);
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.DoOnGetValue(const AText: TCaption;
|
|
out AValue: Variant; var ErrorText: TCaption; var Error: Boolean);
|
|
begin
|
|
with Properties do
|
|
if Assigned(OnGetValue) then
|
|
OnGetValue(Self, AText, AValue, ErrorText, Error);
|
|
if RepositoryItem <> nil then
|
|
with ActiveProperties do
|
|
if Assigned(OnGetValue) then
|
|
OnGetValue(Self, AText, AValue, ErrorText, Error);
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.GetIncrement(AButton: TcxSpinEditButton): Double;
|
|
begin
|
|
if AButton in [sebBackward, sebForward] then
|
|
Result := ActiveProperties.Increment
|
|
else
|
|
Result := ActiveProperties.LargeIncrement;
|
|
if ActiveProperties.ValueType = vtInt then
|
|
Result := Round(Result);
|
|
if AButton in [sebBackward, sebFastBackward] then
|
|
Result := -Result;
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.GetProperties: TcxCustomSpinEditProperties;
|
|
begin
|
|
Result := TcxCustomSpinEditProperties(FProperties);
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.GetActiveProperties: TcxCustomSpinEditProperties;
|
|
begin
|
|
Result := TcxCustomSpinEditProperties(InternalGetActiveProperties);
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.GetValue: Variant;
|
|
begin
|
|
if Focused then
|
|
begin
|
|
if FIsCustomText then
|
|
PrepareEditValue(Text, Result, Focused)
|
|
else
|
|
Result := FInternalValue;
|
|
if not VarIsNumericEx(Result) then // Null
|
|
Result := ActiveProperties.CheckValueBounds(0);
|
|
end
|
|
else
|
|
begin
|
|
if VarIsNumericEx(EditValue) then
|
|
Result := EditValue
|
|
else
|
|
if VarIsStr(EditValue) then
|
|
begin
|
|
if EditValue = '' then
|
|
Result := ActiveProperties.CheckValueBounds(0)
|
|
else
|
|
if not ActiveProperties.TryTextToValue(EditValue, Result) then
|
|
Result := ActiveProperties.CheckValueBounds(0);
|
|
end
|
|
else
|
|
Result := ActiveProperties.CheckValueBounds(0);
|
|
end;
|
|
Result := ActiveProperties.SetVariantType(Result);
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.IncrementValueToStr(const AValue: TcxEditValue): string;
|
|
var
|
|
ADisplayValue: TcxEditValue;
|
|
begin
|
|
ActiveProperties.PrepareDisplayValue(AValue, ADisplayValue, InternalFocused);
|
|
Result := ADisplayValue;
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.InternalPrepareEditValue(
|
|
const ADisplayValue: TcxEditValue; ARaiseException: Boolean;
|
|
out EditValue: TcxEditValue; out AErrorText: TCaption): Boolean;
|
|
var
|
|
AError: Boolean;
|
|
AValue: Variant;
|
|
begin
|
|
Result := True;
|
|
if ADisplayValue = '' then
|
|
with ActiveProperties do
|
|
if (IDefaultValuesProvider <> nil) and IDefaultValuesProvider.DefaultRequired then
|
|
EditValue := ActiveProperties.CheckValueBounds(0)
|
|
else
|
|
EditValue := Null
|
|
else
|
|
begin
|
|
AError := not ActiveProperties.TryTextToValue(VarToStr(ADisplayValue), AValue);
|
|
if AError then
|
|
begin
|
|
AErrorText := '';
|
|
if IsOnGetValueEventAssigned then
|
|
try
|
|
DoOnGetValue(ADisplayValue, AValue, AErrorText, AError);
|
|
except
|
|
on E: Exception do
|
|
if ARaiseException then
|
|
raise
|
|
else
|
|
begin
|
|
Result := False;
|
|
AErrorText := E.Message;
|
|
Exit;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
if AError then
|
|
begin
|
|
if AErrorText = '' then
|
|
AErrorText := cxGetResourceString(@cxSSpinEditInvalidNumericValue);
|
|
if not ActiveProperties.ExceptionOnInvalidInput then
|
|
AErrorText := '';
|
|
if ARaiseException and ActiveProperties.ExceptionOnInvalidInput then
|
|
raise EcxEditError.Create(AErrorText);
|
|
AValue := FInternalValue;
|
|
end;
|
|
EditValue := AValue;
|
|
Result := not AError;
|
|
end;
|
|
// ActiveProperties.CheckValueBounds(EditValue);
|
|
EditValue := ActiveProperties.SetVariantType(EditValue);
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.IsOnGetValueEventAssigned: Boolean;
|
|
begin
|
|
Result := Assigned(Properties.OnGetValue) or
|
|
Assigned(ActiveProperties.OnGetValue);
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.HandleTimer(Sender: TObject);
|
|
begin
|
|
if FTimer.Interval = cxSpinEditTimerInitialInterval then
|
|
FTimer.Interval := cxSpinEditTimerInterval;
|
|
if ViewInfo.PressedButton <> -1 then
|
|
Increment(TcxSpinEditButton(ViewInfo.PressedButton));
|
|
end;
|
|
|
|
function TcxCustomSpinEdit.IsValueStored: Boolean;
|
|
begin
|
|
Result := not VarEqualsExact(Value, 0);
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.SetInternalValue(AValue: TcxEditValue);
|
|
begin
|
|
FInternalValue := ActiveProperties.SetVariantType(AValue);
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.SetPressedState(Value: TcxSpinEditPressedState);
|
|
const
|
|
ASpinButtonMap: array[TcxSpinEditPressedState] of TcxSpinEditButton =
|
|
(sebBackward, sebBackward, sebForward, sebFastBackward, sebFastForward);
|
|
var
|
|
I: Integer;
|
|
begin
|
|
if (Length(ViewInfo.ButtonsInfo) > 0) and (Value <> FPressedState) then
|
|
begin
|
|
FPressedState := Value;
|
|
CalculateViewInfo(False);
|
|
for I := 0 to Length(ViewInfo.ButtonsInfo) - 1 do
|
|
InvalidateRect(ViewInfo.ButtonsInfo[I].Bounds, False);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.SetProperties(Value: TcxCustomSpinEditProperties);
|
|
begin
|
|
FProperties.Assign(Value);
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.SetValue(const Value: Variant);
|
|
var
|
|
AValue: TcxEditValue;
|
|
begin
|
|
if VarIsNumericEx(Value) then
|
|
begin
|
|
AValue := Value;
|
|
if ActiveProperties.IsEditValueValid(AValue, Focused) then
|
|
InternalEditValue := AValue;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxCustomSpinEdit.StopTracking;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
CaptureButtonVisibleIndex := -1;
|
|
PressedState := epsNone;
|
|
if Length(ViewInfo.ButtonsInfo) > 0 then
|
|
for I := 0 to 1 do
|
|
with ViewInfo.ButtonsInfo[I] do
|
|
if Data.State = ebsPressed then
|
|
begin
|
|
Data.State := ebsNormal;
|
|
CalculateViewInfo(False);
|
|
InvalidateRect(Bounds, False);
|
|
end;
|
|
|
|
FreeAndNil(FTimer);
|
|
if GetCaptureControl = Self then
|
|
SetCaptureControl(nil);
|
|
end;
|
|
|
|
{ TcxSpinEdit }
|
|
|
|
class function TcxSpinEdit.GetPropertiesClass: TcxCustomEditPropertiesClass;
|
|
begin
|
|
Result := TcxSpinEditProperties;
|
|
end;
|
|
|
|
function TcxSpinEdit.GetActiveProperties: TcxSpinEditProperties;
|
|
begin
|
|
Result := TcxSpinEditProperties(InternalGetActiveProperties);
|
|
end;
|
|
|
|
function TcxSpinEdit.GetProperties: TcxSpinEditProperties;
|
|
begin
|
|
Result := TcxSpinEditProperties(FProperties);
|
|
end;
|
|
|
|
procedure TcxSpinEdit.SetProperties(Value: TcxSpinEditProperties);
|
|
begin
|
|
FProperties.Assign(Value);
|
|
end;
|
|
|
|
{ TcxFilterSpinEditHelper }
|
|
|
|
class function TcxFilterSpinEditHelper.EditPropertiesHasButtons: Boolean;
|
|
begin
|
|
Result := True;
|
|
end;
|
|
|
|
class function TcxFilterSpinEditHelper.GetFilterEditClass: TcxCustomEditClass;
|
|
begin
|
|
Result := TcxSpinEdit;
|
|
end;
|
|
|
|
class function TcxFilterSpinEditHelper.GetSupportedFilterOperators(
|
|
AProperties: TcxCustomEditProperties;
|
|
AValueTypeClass: TcxValueTypeClass;
|
|
AExtendedSet: Boolean = False): TcxFilterControlOperators;
|
|
begin
|
|
Result := [fcoEqual..fcoGreaterEqual, fcoBlanks, fcoNonBlanks];
|
|
if AExtendedSet then
|
|
Result := Result + [fcoBetween..fcoNotInList]
|
|
end;
|
|
|
|
class procedure TcxFilterSpinEditHelper.InitializeProperties(AProperties,
|
|
AEditProperties: TcxCustomEditProperties; AHasButtons: Boolean);
|
|
begin
|
|
inherited InitializeProperties(AProperties, AEditProperties, AHasButtons);
|
|
with TcxCustomSpinEditProperties(AProperties) do
|
|
CanEdit := True;
|
|
end;
|
|
|
|
initialization
|
|
GetRegisteredEditProperties.Register(TcxSpinEditProperties, scxSEditRepositorySpinItem);
|
|
FilterEditsController.Register(TcxSpinEditProperties, TcxFilterSpinEditHelper);
|
|
|
|
finalization
|
|
FilterEditsController.Unregister(TcxSpinEditProperties, TcxFilterSpinEditHelper);
|
|
|
|
end.
|