lazarus/lcl/editbtn.pas
2014-07-12 11:30:05 +00:00

2451 lines
65 KiB
ObjectPascal

{
***************************************************************************
editbtn.pas
-----------
Component Library Extended dialogs Controls
***************************************************************************
*****************************************************************************
* *
* This file is part of the Lazarus Component Library (LCL) *
* See the file COPYING.modifiedLGPL.txt, included in this distribution, *
* for details about the copyright. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* *
*****************************************************************************
}
unit EditBtn;
{$mode objfpc}{$H+}
{$I lcl_defines.inc}
interface
uses
Classes, SysUtils, LCLProc, LResources, LCLStrConsts, Types, LCLType, LMessages,
Graphics, Controls, Forms, FileUtil, Dialogs, StdCtrls, Buttons, Calendar,
ExtDlgs, CalendarPopup, MaskEdit, Menus;
const
NullDate: TDateTime = 0;
type
TButtonAlign = (BaLeft, BaRight);
{ TEbEdit }
TEbEdit = class(TCustomMaskedit)
protected
procedure DoEnter; override;
procedure DoExit; override;
end;
{ TCustomEditButton }
TCustomEditButton = class(TCustomControl)
private
FButton: TSpeedButton;
FButtonAlign: TButtonAlign;
FButtonOnlyWhenFocused: Boolean;
FDirectInput: Boolean;
FEdit: TEbEdit;
FInitialColor: TColor;
FIsReadOnly: Boolean;
FFlat: Boolean;
FFocusOnButtonClick: Boolean;
//Forwarded events from FButton
FOnButtonClick: TNotifyEvent;
//Forwarded events from FEdit
FOnEditClick: TNotifyEvent;
FOnEditChange: TNotifyEvent;
FOnEditDblClick: TNotifyEvent;
FOnEditDragDrop: TDragDropEvent;
FOnEditDragOver: TDragOverEvent;
FOnEditEditingDone: TNotifyEvent;
FOnEditEndDrag: TEndDragEvent;
FOnEditExit: TNotifyEvent;
FOnEditKeyDown: TKeyEvent;
FOnEditKeyPress: TKeyPressEvent;
FOnEditEnter: TNotifyEvent;
FOnEditKeyUp: TKeyEvent;
FOnEditMouseDown: TMouseEvent;
FOnEditMouseUp: TMouseEvent;
FOnEditMouseEnter: TNotifyEvent;
FOnEditMouseLeave: TNotifyEvent;
FOnEditMouseMove: TMouseMoveEvent;
FOnEditStartDrag: TStartDragEvent;
FOnEditUtf8KeyPress: TUtf8KeyPressEvent;
function GetAlignment: TAlignment;
function GetAutoSelect: Boolean;
function GetAutoSelected: Boolean;
function GetBtnCaption: TCaption;
function GetButtonHint: TTranslateString;
function GetButtonWidth: Integer;
function GetCanUndo: Boolean;
function GetCaretPos: TPoint;
function GetCharCase: TEditCharCase;
function GetColor: TColor;
function GetDirectInput: Boolean;
function GetEchoMode: TEchoMode;
function GetEditMask: String;
function GetEditText: string;
function GetGlyph: TBitmap;
function GetHideSelection: Boolean;
function GetIsMasked: Boolean;
function GetMaxLength: Integer;
function GetModified: Boolean;
function GetNumbersOnly: Boolean;
function GetNumGlyps: Integer;
function GetParentColor: Boolean;
function GetPasswordChar: char;
function GetReadOnly: Boolean;
function GetSelLength: Integer;
function GetSelStart: Integer;
function GetSelText: String;
function GetTabStop: Boolean;
function GetText: TCaption;
function IsCustomGlyph : Boolean;
procedure FocusAndMaybeSelectAll;
procedure InternalOnButtonClick(Sender: TObject);
procedure InternalOnEditClick(Sender: TObject);
procedure InternalOnEditDblClick(Sender: TObject);
procedure InternalOnEditChange(Sender: TObject);
procedure InternalOnEditDragDrop(Sender, Source: TObject; X,Y: Integer);
procedure InternalOnEditDragOver(Sender, Source: TObject; X,Y: Integer; State: TDragState; var Accept: Boolean);
procedure InternalOnEditEditingDone(Sender: TObject);
procedure InternalOnEditEnter(Sender: TObject);
procedure InternalOnEditExit(Sender: TObject);
procedure InternalOnEditEndDrag(Sender, Target: TObject; X,Y: Integer);
procedure InternalOnEditKeyDown(Sender: TObject; var Key: word; Shift: TShiftState);
procedure InternalOnEditKeyPress(Sender: TObject; var Key: char);
procedure InternalOnEditKeyUp(Sender: TObject; var Key: word; Shift: TShiftState);
procedure InternalOnEditMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure InternalOnEditMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure InternalOnEditMouseEnter(Sender: TObject);
procedure InternalOnEditMouseLeave(Sender: TObject);
procedure InternalOnEditMouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer);
procedure InternalOnEditUtf8KeyPress(Sender: TObject; var UTF8Key: TUTF8Char);
procedure InternalOnEditStartDrag(Sender: TObject; var DragObject: TDragObject);
procedure SetAlignment(AValue: TAlignment);
procedure SetAutoSelect(AValue: Boolean);
procedure SetAutoSelected(AValue: Boolean);
procedure SetButtonAlign(AValue: TButtonAlign);
procedure SetBtnCaption(AValue: TCaption);
procedure SetButtonHint(AValue: TTranslateString);
procedure SetButtonOnlyWhenFocused(AValue: Boolean);
procedure SetButtonWidth(AValue: Integer);
procedure SetCaretPos(AValue: TPoint);
procedure SetCharCase(AValue: TEditCharCase);
procedure SetDirectInput(AValue: Boolean);
procedure SetEchoMode(AValue: TEchoMode);
procedure SetEditMask(AValue: String);
procedure SetEditText(AValue: string);
procedure SetFlat(AValue: Boolean);
procedure SetGlyph(AValue: TBitmap);
procedure SetHideSelection(AValue: Boolean);
procedure SetMaxLength(AValue: Integer);
procedure SetModified(AValue: Boolean);
procedure SetNumbersOnly(AValue: Boolean);
procedure SetNumGlyphs(AValue: Integer);
procedure SetParentColor(AValue: Boolean);
procedure SetPasswordChar(AValue: char);
procedure SetPopupMenu(AValue: TPopupMenu);
procedure SetReadOnly(AValue: Boolean);
procedure SetSelLength(AValue: Integer);
procedure SetSelStart(AValue: Integer);
procedure SetSelText(AValue: String);
procedure SetTabStop(AValue: Boolean);
procedure SetText(AValue: TCaption);
protected
class function GetControlClassDefaultSize: TSize; override;
function CalcButtonVisible: Boolean; virtual;
function GetDefaultGlyph: TBitmap; virtual;
function GetDefaultGlyphName: String; virtual;
function GetEditPopupMenu: TPopupMenu;
procedure CalculatePreferredSize(var PreferredWidth,
PreferredHeight: integer;
WithThemeSpace: Boolean); override;
procedure CheckButtonVisible;
procedure ButtonClick; virtual;
procedure DoEnter; override;
procedure EditChange; virtual;
procedure EditClick; virtual;
procedure EditDblClick; virtual;
procedure EditDragDrop(Source: TObject; X,Y: Integer); virtual;
procedure EditDragOver(Source: TObject; X,Y: Integer; State: TDragState; var Accept: Boolean); virtual;
procedure EditEditingDone; virtual;
procedure EditEndDrag(Target: TObject; X,Y: Integer); virtual;
procedure EditEnter; virtual;
procedure EditExit; virtual;
procedure EditKeyDown(var Key: word; Shift: TShiftState); virtual;
procedure EditKeyPress( var Key: char); virtual;
procedure EditKeyUp(var Key: word; Shift: TShiftState); virtual;
procedure EditMouseDown(Button: TMouseButton;
Shift: TShiftState; X, Y: Integer); virtual;
procedure EditMouseUp(Button: TMouseButton;
Shift: TShiftState; X, Y: Integer); virtual;
procedure EditMouseEnter; virtual;
procedure EditMouseLeave; virtual;
procedure EditMouseMove(Shift: TShiftState; X, Y: Integer); virtual;
procedure EditUtf8KeyPress(var UTF8Key: TUTF8Char); virtual;
procedure EditStartDrag(var DragObject: TDragObject); virtual;
procedure CheckCursor;
procedure CMParentColorChanged(var Message: TLMessage); message CM_PARENTCOLORCHANGED;
function EditCanModify: Boolean; virtual;
procedure GetSel(out _SelStart: Integer; out _SelStop: Integer);
procedure SetSel(const _SelStart: Integer; _SelStop: Integer);
procedure Loaded; override;
procedure Reset; virtual;
procedure SetAutoSize(AValue: Boolean); override;
procedure SetColor(AValue: TColor); override;
procedure SetCursor(AValue: TCursor); override;
property AutoSelect: Boolean read GetAutoSelect write SetAutoSelect default True;
property AutoSelected: Boolean read GetAutoSelected write SetAutoSelected;
property Button: TSpeedButton read FButton;
property ButtonAlign: TButtonAlign read FButtonAlign write SetButtonAlign default BaRight;
property ButtonCaption: TCaption read GetBtnCaption write SetBtnCaption;
property ButtonHint: TTranslateString read GetButtonHint write SetButtonHint;
property ButtonOnlyWhenFocused: Boolean read FButtonOnlyWhenFocused write SetButtonOnlyWhenFocused default False;
property ButtonWidth: Integer read GetButtonWidth write SetButtonWidth;
property Color: TColor read GetColor write SetColor stored True default {$ifdef UseCLDefault}clDefault{$else}clWindow{$endif};
property DirectInput : Boolean read GetDirectInput write SetDirectInput default True;
property Edit: TEbEdit read FEdit;
property EditMask: String read GetEditMask write SetEditMask;
property EditText: string read GetEditText write SetEditText;
property Flat: Boolean read FFlat write SetFlat default False;
property FocusOnButtonClick: Boolean read FFocusOnButtonClick write FFocusOnButtonClick default False;
property Glyph: TBitmap read GetGlyph write SetGlyph stored IsCustomGlyph;
property IsMasked: Boolean read GetIsMasked;
property NumGlyphs: Integer read GetNumGlyps write SetNumGlyphs;
property OnButtonClick: TNotifyEvent read FOnButtonClick write FOnButtonClick;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure SetFocus; override;
function Focused: Boolean; override;
procedure Clear;
procedure ClearSelection; virtual;
procedure CopyToClipboard; virtual;
procedure CutToClipboard; virtual;
procedure PasteFromClipboard; virtual;
procedure SelectAll;
procedure Undo; virtual;
procedure ValidateEdit; virtual;
property Autosize default True;
property Alignment: TAlignment read GetAlignment write SetAlignment default taLeftJustify;
property CanUndo: Boolean read GetCanUndo;
property CaretPos: TPoint read GetCaretPos write SetCaretPos;
property CharCase: TEditCharCase read GetCharCase write SetCharCase default ecNormal;
property ParentColor: Boolean read GetParentColor write SetParentColor default False;
property EchoMode: TEchoMode read GetEchoMode write SetEchoMode default emNormal;
property HideSelection: Boolean read GetHideSelection write SetHideSelection default False;
property MaxLength: Integer read GetMaxLength write SetMaxLength;
property Modified: Boolean read GetModified write SetModified;
property NumbersOnly: Boolean read GetNumbersOnly write SetNumbersOnly default False;
property PasswordChar: char read GetPasswordChar write SetPasswordChar;
property PopupMenu: TPopupMenu read GetEditPopupMenu write SetPopupMenu;
property ReadOnly: Boolean read GetReadOnly write SetReadOnly default False;
property SelLength: Integer read GetSelLength write SetSelLength;
property SelStart: Integer read GetSelStart write SetSelStart;
property SelText: String read GetSelText write SetSelText;
property TabStop: Boolean read GetTabStop write SetTabStop default True;
property Text: TCaption read GetText write SetText;
property OnChange: TNotifyEvent read FOnEditChange write FOnEditChange;
property OnClick: TNotifyEvent read FOnEditClick write FOnEditClick;
property OnDblClick: TNotifyEvent read FOnEditDblClick write FOnEditDblClick;
property OnDragDrop: TDragDropEvent read FOnEditDragDrop write FOnEditDragDrop;
property OnDragOver: TDragOverEvent read FOnEditDragOver write FOnEditDragOver;
property OnEditingDone: TNotifyEvent read FOnEditEditingDone write FOnEditEditingDone;
property OnEndDrag: TEndDragEvent read FOnEditEndDrag write FOnEditEndDrag;
property OnEnter: TNotifyEvent read FOnEditEnter write FOnEditEnter;
property OnExit: TNotifyEvent read FOnEditExit write FOnEditExit;
property OnMouseDown: TMouseEvent read FOnEditMouseDown write FOnEditMouseDown;
property OnKeyPress: TKeyPressEvent read FOnEditKeyPress write FOnEditKeyPress;
property OnKeyDown: TKeyEvent read FOnEditKeyDown write FOnEditKeyDown;
property OnKeyUp: TKeyEvent read FOnEditKeyUp write FOnEditKeyUp;
property OnMouseEnter: TNotifyEvent read FOnEditMouseEnter write FOnEditMouseEnter;
property OnMouseLeave: TNotifyEvent read FOnEditMouseLeave write FOnEditMouseLeave;
property OnMouseMove: TMouseMoveEvent read FOnEditMouseMove write FOnEditMouseMove;
property OnMouseUp: TMouseEvent read FOnEditMouseUp write FOnEditMouseUp;
property OnStartDrag: TStartDragEvent read FOnEditStartDrag write FOnEditStartDrag;
property OnUtf8KeyPress: TUtf8KeyPressEvent read FOnEditUtf8KeyPress write FOnEditUtf8KeyPress;
end;
{ TEditButton }
TEditButton = class(TCustomEditButton)
public
property AutoSelected;
property Button;
published
property NumbersOnly;
property Action;
property AutoSelect;
property AutoSize default True;
property Align;
property Alignment;
property Anchors;
property BiDiMode;
property BorderSpacing;
property BorderStyle default bsNone;
property ButtonAlign;
property ButtonCaption;
property ButtonHint;
property ButtonOnlyWhenFocused;
property ButtonWidth;
property CharCase;
property Color;
property Constraints;
property Cursor;
property DirectInput;
property EchoMode;
property Enabled;
property Flat;
property FocusOnButtonClick;
property Font;
property Glyph;
// property HideSelection;
property Hint;
property MaxLength;
property NumGlyphs;
property OnButtonClick;
property OnChange;
property OnClick;
property OnDblClick;
property OnDragDrop;
property OnDragOver;
property OnContextPopup;
property OnEditingDone;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnKeyDown;
property OnKeyPress;
property OnKeyUp;
property OnMouseDown;
property OnMouseEnter;
property OnMouseLeave;
property OnMouseMove;
property OnMouseUp;
property OnStartDrag;
property OnUTF8KeyPress;
property ParentBiDiMode;
property ParentColor;
property ParentFont;
property PasswordChar;
property PopupMenu;
property ReadOnly;
property ShowHint;
property TabOrder;
property TabStop;
property Text;
property Visible;
end;
// Called when an item is filtered. Returns true if the item passes the filter.
// Done=False means the data should also be filtered by its title string.
// Done=True means no other filtering is needed.
TFilterItemEvent = function (Item: TObject; out Done: Boolean): Boolean of object;
// Can be used only for items that have a checkbox. Returns true if checked.
TCheckItemEvent = function (Item: TObject): Boolean of object;
{ TCustomControlFilterEdit }
// An abstract base class for edit controls which filter data in
// visual controls like TListView and TTreeView.
TCustomControlFilterEdit = class(TCustomEditButton)
private
fFilter: string;
fIdleConnected: Boolean;
fSortData: Boolean; // Data needs to be sorted.
fUseFormActivate: Boolean;
fIsFirstSetFormActivate: Boolean;
fJustActivated: Boolean;
fParentForm: TForm;
fOnAfterFilter: TNotifyEvent;
procedure SetFilter(const AValue: string);
procedure SetIdleConnected(const AValue: Boolean);
procedure OnIdle(Sender: TObject; var Done: Boolean);
procedure SetUseFormActivate(AValue: Boolean);
procedure FormActivate(Sender: TObject); // Connects to owning form.
procedure FormDeactivate(Sender: TObject);
protected
fNeedUpdate: Boolean;
fIsFirstUpdate: Boolean;
fSelectedPart: TObject; // Select this node on next update
fOnFilterItem: TFilterItemEvent;
fOnCheckItem: TCheckItemEvent;
procedure EditKeyDown(var Key: Word; Shift: TShiftState); override;
procedure EditChange; override;
procedure EditEnter; override;
procedure EditExit; override;
procedure ButtonClick; override;
procedure SortAndFilter; virtual; abstract;
procedure ApplyFilter(Immediately: Boolean = False);
procedure ApplyFilterCore; virtual; abstract;
procedure MoveNext; virtual; abstract;
procedure MovePrev; virtual; abstract;
function ReturnKeyHandled: Boolean; virtual; abstract;
function GetDefaultGlyphName: String; override;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure InvalidateFilter;
procedure ResetFilter;
function ForceFilter(AFilter: String) : String;
procedure StoreSelection; virtual; abstract;
procedure RestoreSelection; virtual; abstract;
public
property Filter: string read fFilter write SetFilter;
property IdleConnected: Boolean read fIdleConnected write SetIdleConnected;
property SortData: Boolean read fSortData write fSortData;
property SelectedPart: TObject read fSelectedPart write fSelectedPart;
published
property OnAfterFilter: TNotifyEvent read fOnAfterFilter write fOnAfterFilter;
property OnFilterItem: TFilterItemEvent read fOnFilterItem write fOnFilterItem;
property OnCheckItem: TCheckItemEvent read fOnCheckItem write fOnCheckItem;
property UseFormActivate: Boolean read fUseFormActivate write SetUseFormActivate default False;
// TEditButton properties.
property ButtonWidth;
property DirectInput;
property ButtonOnlyWhenFocused;
property NumGlyphs;
property Flat;
property FocusOnButtonClick;
// Other properties
property Align;
property Anchors;
property BidiMode;
property BorderSpacing;
property BorderStyle;
property AutoSize;
property AutoSelect;
property Color;
property DragCursor;
property DragMode;
property Enabled;
property Font;
property MaxLength;
property ParentBidiMode;
property ParentColor;
property ParentFont;
property ParentShowHint;
property PopupMenu;
property ReadOnly;
property ShowHint;
property TabOrder;
property TabStop;
property Visible;
property OnButtonClick;
property OnChange;
property OnClick;
property OnDblClick;
property OnDragDrop;
property OnDragOver;
property OnEditingDone;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnKeyDown;
property OnKeyPress;
property OnKeyUp;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnStartDrag;
property OnUTF8KeyPress;
property Text;
end;
{ TFileNameEdit }
TAcceptFileNameEvent = procedure (Sender : TObject; Var Value : String) of Object;
TDialogKind = (dkOpen,dkSave,dkPictureOpen,dkPictureSave);
TFileNameEdit = class(TCustomEditButton)
private
FDialogOptions: TOpenOptions;
FFileName : String;
FDialogFiles : TStrings;
FDialogKind: TDialogKind;
FDialogTitle: String;
FFilter: String;
FFilterIndex: Integer;
FDefaultExt: String;
FHideDirectories: Boolean;
FInitialDir: String;
FOnAcceptFileName: TAcceptFileNameEvent;
FOnFolderChange: TNotifyEvent;
FFileNameChangeLock: Integer;
procedure SetFileName(const AValue: String);
protected
function GetDefaultGlyph: TBitmap; override;
function GetDefaultGlyphName: String; override;
function CreateDialog(AKind: TDialogKind): TCommonDialog; virtual;
procedure SaveDialogResult(AKind: TDialogKind; D: TCommonDialog); virtual;
procedure ButtonClick; override;
procedure RunDialog; virtual;
procedure EditChange; override;
procedure DoFolderChange(Sender:TObject); virtual;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
property AutoSelected;
property DialogFiles: TStrings read FDialogFiles;
published
// TFileName properties.
property FileName: String read FFileName write SetFileName;
property InitialDir: String read FInitialDir write FInitialDir;
property OnAcceptFileName: TAcceptFileNameEvent read FOnAcceptFileName write FOnAcceptFileName;
property OnFolderChange: TNotifyEvent read FOnFolderChange write FOnFolderChange;
property DialogKind: TDialogKind read FDialogKind write FDialogKind default dkOpen;
property DialogTitle: String read FDialogTitle write FDialogTitle;
property DialogOptions: TOpenOptions read FDialogOptions write FDialogOptions default DefaultOpenDialogOptions;
property Filter: String read FFilter write FFilter;
property FilterIndex: Integer read FFilterIndex write FFIlterIndex;
property DefaultExt: String read FDefaultExt write FDefaultExt;
property HideDirectories: Boolean read FHideDirectories write FHideDirectories;
// TEditButton properties.
property ButtonWidth;
property DirectInput;
property ButtonOnlyWhenFocused;
// property Glyph;
property NumGlyphs;
property Flat;
property FocusOnButtonClick;
// Other properties
property Align;
property Alignment;
property Anchors;
property AutoSelect;
property BidiMode;
property BorderSpacing;
property BorderStyle;
property AutoSize;
property Color;
property DragCursor;
property DragMode;
property Enabled;
property Font;
property MaxLength;
property ParentBidiMode;
property ParentColor;
property ParentFont;
property ParentShowHint;
property PopupMenu;
property ReadOnly;
property ShowHint;
property TabOrder;
property TabStop;
property Visible;
property OnButtonClick;
property OnChange;
property OnClick;
property OnDblClick;
property OnDragDrop;
property OnDragOver;
property OnEditingDone;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnKeyDown;
property OnKeyPress;
property OnKeyUp;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnStartDrag;
property OnUTF8KeyPress;
property Text;
end;
{ TDirectoryEdit }
TDirectoryEdit = class(TCustomEditButton)
private
FDialogTitle: String;
FRootDir: String;
FOnAcceptDir: TAcceptFileNameEvent;
FShowHidden: Boolean;
function GetDirectory: String;
procedure SetDirectory(const AValue: String);
protected
function GetDefaultGlyph: TBitmap; override;
function GetDefaultGlyphName: String; override;
function CreateDialog: TCommonDialog; virtual;
function GetDialogResult(D : TCommonDialog) : String; virtual;
procedure ButtonClick; override;
procedure RunDialog; virtual;
public
property AutoSelected;
published
// TDirectory properties.
property Directory: String read GetDirectory write SetDirectory;
property RootDir: String read FRootDir write FRootDir;
property OnAcceptDirectory: TAcceptFileNameEvent read FOnAcceptDir write FonAcceptDir;
property DialogTitle: String read FDialogTitle write FDialogTitle;
property ShowHidden: Boolean read FShowHidden write FShowHidden;
// TEditButton properties.
property ButtonWidth;
property DirectInput;
property ButtonOnlyWhenFocused;
// property Glyph;
property NumGlyphs;
property Flat;
property FocusOnButtonClick;
// Other properties
property Align;
property Anchors;
property AutoSize;
property AutoSelect;
property BidiMode;
property BorderSpacing;
property BorderStyle;
property Color;
property DragCursor;
property DragMode;
property Enabled;
property Font;
property MaxLength;
property ParentBidiMode;
property ParentColor;
property ParentFont;
property ParentShowHint;
property PopupMenu;
property ReadOnly;
property ShowHint;
property TabOrder;
property TabStop;
property Visible;
property OnButtonClick;
property OnChange;
property OnClick;
property OnDblClick;
property OnDragDrop;
property OnDragOver;
property OnEditingDone;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnKeyDown;
property OnKeyPress;
property OnKeyUp;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnStartDrag;
property OnUTF8KeyPress;
property Text;
end;
{ TDateEdit }
TAcceptDateEvent = procedure (Sender : TObject; var ADate : TDateTime;
var AcceptDate: Boolean) of object;
TCustomDateEvent = procedure (Sender : TObject; var ADate : string) of object;
TDateOrder = (doNone,doMDY,doDMY,doYMd);
TDateEdit = class(TCustomEditButton)
private
FDateOrder: TDateOrder;
FDefaultToday: Boolean;
FDialogTitle: TCaption;
FDisplaySettings: TDisplaySettings;
FDroppedDown: Boolean;
FOnAcceptDate: TAcceptDateEvent;
FOnCustomDate: TCustomDateEvent;
FOKCaption: TCaption;
FCancelCaption: TCaption;
FDateFormat: string;
function GetDate: TDateTime;
function IsStoreTitle: boolean;
procedure SetDate(Value: TDateTime);
procedure CalendarPopupReturnDate(Sender: TObject; const ADate: TDateTime);
procedure CalendarPopupShowHide(Sender: TObject);
procedure SetDateOrder(const AValue: TDateOrder);
protected
function GetDefaultGlyph: TBitmap; override;
function GetDefaultGlyphName: String; override;
procedure ButtonClick; override;
procedure EditDblClick; override;
procedure SetDateMask; virtual;
public
constructor Create(AOwner: TComponent); override;
procedure DateFormatChanged; virtual;
function GetDateFormat: string;
property AutoSelected;
property Date: TDateTime read GetDate write SetDate;
property Button;
property DroppedDown: Boolean read FDroppedDown;
published
property DialogTitle: TCaption read FDialogTitle write FDialogTitle stored IsStoreTitle;
property CalendarDisplaySettings: TDisplaySettings read FDisplaySettings write FDisplaySettings;
property OnAcceptDate: TAcceptDateEvent read FOnAcceptDAte write FOnAcceptDate;
property OnCustomDate: TCustomDateEvent read FOnCustomDate write FOnCustomDate;
property OKCaption: TCaption read FOKCaption write FOKCaption;
property CancelCaption: TCaption read FCancelCaption write FCancelCaption;
property ReadOnly;
property DefaultToday: Boolean read FDefaultToday write FDefaultToday default False;
Property DateOrder : TDateOrder Read FDateOrder Write SetDateOrder;
property ButtonOnlyWhenFocused;
property ButtonWidth;
property Action;
property Align;
property Anchors;
property AutoSize;
property AutoSelect;
property BidiMode;
property BorderSpacing;
property BorderStyle;
property CharCase;
property Color;
property Constraints;
property DirectInput;
property Glyph;
property NumGlyphs;
property DragMode;
property EchoMode;
property Enabled;
property Flat;
property FocusOnButtonClick;
property Font;
property MaxLength;
property OnButtonClick;
property OnChange;
property OnChangeBounds;
property OnClick;
property OnDblClick;
property OnEditingDone;
property OnEnter;
property OnExit;
property OnKeyDown;
property OnKeyPress;
property OnKeyUp;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnResize;
property OnUTF8KeyPress;
property ParentBidiMode;
property ParentColor;
property ParentFont;
property ParentShowHint;
property PopupMenu;
property ShowHint;
property TabStop;
property TabOrder;
property Visible;
property Text;
end;
{ TCalcEdit }
TAcceptValueEvent = procedure(Sender: TObject; var AValue: Double; var Accept: Boolean) of object;
TCalcEdit = class(TCustomEditButton)
private
FDialogTitle: String;
FLayout: TCalculatorLayout;
FOnAcceptValue: TAcceptValueEvent;
function GetAsFloat: Double;
function GetAsInteger: Integer;
procedure SetAsFloat(const AValue: Double);
procedure SetAsInteger(const AValue: Integer);
function TitleStored: boolean;
protected
FCalcDialog : TForm;
function GetDefaultGlyph: TBitmap; override;
function GetDefaultGlyphName: String; override;
procedure ButtonClick; override;
procedure RunDialog; virtual;
public
constructor Create(AOwner: TComponent); override;
property AutoSelected;
published
// CalcEdit properties
property CalculatorLayout : TCalculatorLayout read FLayout write Flayout;
property AsFloat : Double read GetAsFloat write SetAsFloat;
property AsInteger : Integer read GetAsInteger write SetAsInteger;
property OnAcceptValue : TAcceptValueEvent read FOnAcceptValue write FOnAcceptValue;
property DialogTitle : String read FDialogTitle write FDialogTitle stored TitleStored;
// TEditButton properties.
property ButtonWidth;
property DirectInput;
property ButtonOnlyWhenFocused;
// property Glyph;
property NumGlyphs;
property Flat;
property FocusOnButtonClick;
// Other properties
property Align;
property Anchors;
property BidiMode;
property BorderSpacing;
property BorderStyle;
property AutoSize;
property AutoSelect;
property Color;
property DragCursor;
property DragMode;
property Enabled;
property Font;
property MaxLength;
property ParentBidiMode;
property ParentColor;
property ParentFont;
property ParentShowHint;
property PopupMenu;
property ReadOnly;
property ShowHint;
property TabOrder;
property TabStop;
property Visible;
property OnButtonClick;
property OnChange;
property OnClick;
property OnDblClick;
property OnDragDrop;
property OnDragOver;
property OnEditingDone;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnKeyDown;
property OnKeyPress;
property OnKeyUp;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnStartDrag;
property OnUTF8KeyPress;
property Text;
end;
var
FileOpenGlyph: TBitmap;
DateGlyph: TBitmap;
CalcGlyph: TBitmap;
const
ResBtnListFilter = 'btnfiltercancel';
ResBtnFileOpen = 'btnselfile';
ResBtnSelDir = 'btnseldir';
ResBtnCalendar = 'btncalendar';
ResBtnCalculator = 'btncalculator';
procedure Register;
implementation
{$R lcl_edbtnimg.res}
{ TEbEdit }
procedure TEbEdit.DoEnter;
begin
if (Owner is TCustomEditButton) then TCustomEditButton(Owner).CheckButtonVisible;
inherited DoEnter;
end;
procedure TEbEdit.DoExit;
begin
if (Owner is TCustomEditButton) then TCustomEditButton(Owner).CheckButtonVisible;
inherited DoExit;
end;
{ TCustomEditButton }
procedure TCustomEditButton.InternalOnButtonClick(Sender: TObject);
begin
ButtonClick;
end;
procedure TCustomEditButton.InternalOnEditChange(Sender: TObject);
begin
EditChange;
end;
procedure TCustomEditButton.InternalOnEditClick(Sender: TObject);
begin
EditClick;
end;
procedure TCustomEditButton.InternalOnEditDblClick(Sender: TObject);
begin
EditDblClick;
end;
procedure TCustomEditButton.InternalOnEditDragDrop(Sender, Source: TObject; X, Y: Integer);
begin
EditDragDrop(Source, X, Y);
end;
procedure TCustomEditButton.InternalOnEditDragOver(Sender, Source: TObject; X, Y: Integer; State: TDragState; var Accept: Boolean);
begin
EditDragOver(Source, X, Y, State, Accept);
end;
procedure TCustomEditButton.InternalOnEditEditingDone(Sender: TObject);
begin
EditEditingDone;
end;
procedure TCustomEditButton.InternalOnEditEndDrag(Sender, Target: TObject; X, Y: Integer);
begin
EditEndDrag(Target, X, Y);
end;
procedure TCustomEditButton.InternalOnEditEnter(Sender: TObject);
begin
EditEnter;
end;
procedure TCustomEditButton.InternalOnEditExit(Sender: TObject);
begin
EditExit;
end;
procedure TCustomEditButton.InternalOnEditKeyDown(Sender: TObject; var Key: word;
Shift: TShiftState);
begin
EditKeyDown(Key, Shift);
end;
procedure TCustomEditButton.InternalOnEditKeyPress(Sender: TObject; var Key: char);
begin
EditKeyPress(Key);
end;
procedure TCustomEditButton.InternalOnEditKeyUp(Sender: TObject; var Key: word;
Shift: TShiftState);
begin
EditKeyUp(Key, Shift);
end;
procedure TCustomEditButton.InternalOnEditMouseDown(Sender: TObject;
Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
EditMouseDown(Button, Shift, X, Y);
end;
procedure TCustomEditButton.InternalOnEditMouseUp(Sender: TObject;
Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
EditMouseUp(Button, Shift, X, Y);
end;
procedure TCustomEditButton.InternalOnEditMouseEnter(Sender: TObject);
begin
EditMouseEnter;
end;
procedure TCustomEditButton.InternalOnEditMouseLeave(Sender: TObject);
begin
EditMouseLeave;
end;
procedure TCustomEditButton.InternalOnEditMouseMove(Sender: TObject;
Shift: TShiftState; X, Y: Integer);
begin
EditMouseMove(Shift, X, Y);
end;
procedure TCustomEditButton.InternalOnEditUtf8KeyPress(Sender: TObject;
var UTF8Key: TUTF8Char);
begin
EditUtf8KeyPress(UTF8Key);
end;
procedure TCustomEditButton.InternalOnEditStartDrag(Sender: TObject; var DragObject: TDragObject);
begin
EditStartDrag(DragObject);
end;
function TCustomEditButton.GetButtonWidth: Integer;
begin
Result := FButton.Width;
end;
function TCustomEditButton.GetCanUndo: Boolean;
begin
Result := FEdit.CanUndo;
end;
function TCustomEditButton.GetCaretPos: TPoint;
begin
Result := FEdit.CaretPos;
end;
function TCustomEditButton.GetEditPopupMenu: TPopupMenu;
begin
Result := FEdit.PopupMenu;
end;
procedure TCustomEditButton.CalculatePreferredSize(var PreferredWidth,
PreferredHeight: integer; WithThemeSpace: Boolean);
begin
inherited CalculatePreferredSize(PreferredWidth, PreferredHeight, WithThemeSpace);
PreferredWidth := 0;
end;
function TCustomEditButton.GetReadOnly: Boolean;
begin
Result := FIsReadOnly;
end;
function TCustomEditButton.GetSelLength: Integer;
begin
Result := FEdit.SelLength;
end;
function TCustomEditButton.GetSelStart: Integer;
begin
Result := FEdit.SelStart;
end;
function TCustomEditButton.GetSelText: String;
begin
Result := FEdit.SelText;
end;
function TCustomEditButton.GetTabStop: Boolean;
begin
Result := inherited TabStop;
end;
function TCustomEditButton.GetText: TCaption;
begin
Result := FEdit.Text;
end;
function TCustomEditButton.IsCustomGlyph: Boolean;
function _LoadRes: TBitmap;
var
ResName: String;
C : TCustomBitmap;
begin
ResName := GetDefaultGlyphName;
if ResName = '' then
Exit(nil);
Result := TBitmap.Create;
try
try
C := TPortableNetworkGraphic.Create;
C.LoadFromResourceName(hInstance, ResName);
Result.Assign(C); // the "Equals" did not work with ClassType different
// maybe it should compare the "RawImage" because it is independent of ClassType
finally
C.Free;
end;
except
Result.Free;
raise;
end;
end;
var
B, GlypRes, GlypActual: TBitmap;
begin
GlypActual := nil;
GlypRes := nil;
try
B := GetDefaultGlyph;
if B = nil then // if Default Glyph is nil, use the resource
begin
GlypRes := _LoadRes;
B := GlypRes;
end;
if B = nil then
Result := Glyph <> nil
else if Glyph = nil then
Result := True
else
begin
GlypActual := TBitmap.Create; // the "Equals" did not work with ClassType different.
GlypActual.Assign(Glyph);
Result := not GlypActual.Equals(B);
end;
finally
GlypRes.Free;
GlypActual.Free;
end;
end;
procedure TCustomEditButton.FocusAndMaybeSelectAll;
begin
FEdit.SetFocus;
if AutoSelect then
FEdit.SelectAll
else
FEdit.SelStart := MaxInt;
end;
function TCustomEditButton.GetAlignment: TAlignment;
begin
Result := FEdit.Alignment;
end;
function TCustomEditButton.GetAutoSelect: Boolean;
begin
Result := FEdit.AutoSelect;
end;
function TCustomEditButton.GetAutoSelected: Boolean;
begin
Result := FEdit.AutoSelected;
end;
function TCustomEditButton.GetButtonHint: TTranslateString;
begin
Result := FButton.Hint;
end;
function TCustomEditButton.GetBtnCaption: TCaption;
begin
Result := FButton.Caption;
end;
procedure TCustomEditButton.SetButtonAlign(AValue: TButtonAlign);
begin
if FButtonAlign = AValue then
exit;
FButtonAlign := AValue;
case FButtonAlign of
BaRight:
FButton.Align := alRight;
BaLeft:
FButton.Align := alLeft;
end;
end;
procedure TCustomEditButton.SetButtonHint(AValue: TTranslateString);
begin
FButton.Hint := AValue;
end;
procedure TCustomEditButton.SetButtonOnlyWhenFocused(AValue: Boolean);
begin
if FButtonOnlyWhenFocused <> AValue then
begin
FButtonOnlyWhenFocused := AValue;
CheckButtonVisible;
end;
end;
procedure TCustomEditButton.SetButtonWidth(AValue: Integer);
begin
FButton.Width := AValue;
end;
procedure TCustomEditButton.SetCaretPos(AValue: TPoint);
begin
FEdit.CaretPos := AValue;
end;
function TCustomEditButton.GetCharCase: TEditCharCase;
begin
Result := FEdit.CharCase;
end;
function TCustomEditButton.GetDirectInput: Boolean;
begin
Result := FDirectInput;
end;
function TCustomEditButton.GetEchoMode: TEchoMode;
begin
Result := FEdit.EchoMode;
end;
function TCustomEditButton.GetEditMask: String;
begin
Result := FEdit.EditMask
end;
function TCustomEditButton.GetEditText: string;
begin
Result := FEdit.EditText;
end;
function TCustomEditButton.GetColor: TColor;
begin
Result := FEdit.Color;
end;
function TCustomEditButton.GetGlyph: TBitmap;
begin
Result := FButton.Glyph;
end;
function TCustomEditButton.GetHideSelection: Boolean;
begin
Result := FEdit.HideSelection;
end;
function TCustomEditButton.GetIsMasked: Boolean;
begin
Result := FEdit.IsMasked;
end;
function TCustomEditButton.GetMaxLength: Integer;
begin
Result := FEdit.MaxLength;
end;
function TCustomEditButton.GetModified: Boolean;
begin
Result := FEdit.Modified;
end;
function TCustomEditButton.GetNumbersOnly: Boolean;
begin
Result := FEdit.NumbersOnly;
end;
function TCustomEditButton.GetNumGlyps: Integer;
begin
Result := FButton.NumGlyphs;
end;
function TCustomEditButton.GetParentColor: Boolean;
begin
Result := FEdit.ParentColor;
end;
function TCustomEditButton.GetPasswordChar: char;
begin
Result := FEdit.PasswordChar;
end;
procedure TCustomEditButton.SetAlignment(AValue: TAlignment);
begin
FEdit.Alignment := AValue;
end;
procedure TCustomEditButton.SetAutoSelect(AValue: Boolean);
begin
FEdit.AutoSelect := AValue;
end;
procedure TCustomEditButton.SetAutoSelected(AValue: Boolean);
begin
FEdit.AutoSelected := AValue;
end;
procedure TCustomEditButton.SetAutoSize(AValue: Boolean);
begin
if AutoSize = AValue then
Exit;
inherited SetAutosize(AValue);
//FButton.AutoSize := AValue;
FEdit.AutoSize := AValue;
end;
procedure TCustomEditButton.SetBtnCaption(AValue: TCaption);
begin
FButton.Caption := AValue;
end;
class function TCustomEditButton.GetControlClassDefaultSize: TSize;
begin
Result.CX := 80 + 23; //as TCustomEdit + TCustomSpeedButton
Result.CY := 23; //as TCustomEdit
end;
function TCustomEditButton.GetDefaultGlyph: TBitmap;
begin
Result := nil;
end;
function TCustomEditButton.GetDefaultGlyphName: String;
begin
Result := '';
end;
procedure TCustomEditButton.SetCharCase(AValue: TEditCharCase);
begin
FEdit.CharCase := AValue;
end;
procedure TCustomEditButton.SetDirectInput(AValue: Boolean);
begin
FDirectInput := AValue;
FEdit.ReadOnly := ((not FDirectInput) or (FIsReadOnly));
end;
procedure TCustomEditButton.SetEchoMode(AValue: TEchoMode);
begin
FEdit.EchoMode := AValue;
end;
procedure TCustomEditButton.SetEditMask(AValue: String);
begin
FEdit.EditMask := AValue;
end;
procedure TCustomEditButton.SetEditText(AValue: string);
begin
FEdit.EditText := AValue;
end;
procedure TCustomEditButton.SetColor(AValue: TColor);
begin
if (csLoading in ComponentState) then
FInitialColor := AValue
else
FEdit.Color := AValue;
end;
procedure TCustomEditButton.SetCursor(AValue: TCursor);
begin
if Cursor = AValue then
Exit;
inherited SetCursor(AValue);
FButton.Cursor := AValue;
FEdit.Cursor := AValue;
end;
procedure TCustomEditButton.SetFocus;
begin
FEdit.SetFocus;
end;
procedure TCustomEditButton.SetFlat(AValue: Boolean);
begin
if FFlat = AValue then
Exit;
FFlat := AValue;
FButton.Flat := AValue;
end;
procedure TCustomEditButton.SetHideSelection(AValue: Boolean);
begin
FEdit.HideSelection := AValue;
end;
procedure TCustomEditButton.SetMaxLength(AValue: Integer);
begin
FEdit.MaxLength := AValue;
end;
procedure TCustomEditButton.SetModified(AValue: Boolean);
begin
FEdit.Modified := AValue;
end;
procedure TCustomEditButton.SetNumbersOnly(AValue: Boolean);
begin
FEdit.NumbersOnly := AValue;
end;
procedure TCustomEditButton.SetNumGlyphs(AValue: Integer);
begin
FButton.NumGlyphs := AValue;
end;
procedure TCustomEditButton.SetParentColor(AValue: Boolean);
begin
FEdit.ParentColor := AValue;
end;
procedure TCustomEditButton.SetPasswordChar(AValue: char);
begin
FEdit.PasswordChar := AValue;
end;
procedure TCustomEditButton.SetPopupMenu(AValue: TPopupMenu);
begin
FEdit.PopupMenu := AValue;
end;
procedure TCustomEditButton.SetText(AValue: TCaption);
begin
FEdit.Text := AValue;
end;
function TCustomEditButton.CalcButtonVisible: Boolean;
begin
Result := (csdesigning in ComponentState) or
(Visible and (FEdit.Focused or not FButtonOnlyWhenFocused));
end;
procedure TCustomEditButton.CheckButtonVisible;
begin
If Assigned(FButton) then
FButton.Visible := CalcButtonVisible;
end;
procedure TCustomEditButton.ButtonClick;
begin
if ReadOnly then
Exit;
if Assigned(FOnButtonClick) then
FOnButtonClick(Self);
//derived controls that override ButtonClick tipically run a dialog after calling inherited,
//in that case selecting the text now does not make sense at all (and looks silly)
//it's up to the derived control to implement this focus and select if wanted
if TMethod(@Self.ButtonClick).Code = Pointer(@TCustomEditButton.ButtonClick) then
begin
if FocusOnButtonClick then FocusAndMaybeSelectAll;
end;
end;
procedure TCustomEditButton.DoEnter;
begin
inherited DoEnter;
FEdit.SetFocus;
end;
procedure TCustomEditButton.EditChange;
begin
if Assigned(FOnEditChange) then FOnEditChange(Self);
end;
procedure TCustomEditButton.EditClick;
begin
if Assigned(FOnEditClick) then FOnEditClick(Self);
end;
procedure TCustomEditButton.EditDblClick;
begin
if Assigned(FOnEditDblClick) then FOnEditDblClick(Self);
end;
procedure TCustomEditButton.EditDragDrop(Source: TObject; X, Y: Integer);
begin
if Assigned(FOnEditDragDrop) then FOnEditDragDrop(Self, Source, X, Y);
end;
procedure TCustomEditButton.EditDragOver(Source: TObject; X, Y: Integer;
State: TDragState; var Accept: Boolean);
begin
if Assigned(FOnEditDragOver) then FOnEditDragOver(Self, Source, X, Y, State, Accept);
end;
procedure TCustomEditButton.EditEditingDone;
begin
if Assigned(FOnEditEditingDone) then FOnEditEditingDone(Self);
end;
procedure TCustomEditButton.EditEndDrag(Target: TObject; X, Y: Integer);
begin
if Assigned(FOnEditEndDrag) then FOnEditEndDrag(Self, Target, X, Y);
end;
procedure TCustomEditButton.EditEnter;
begin
if Assigned(FOnEditEnter) then FOnEditEnter(Self);
end;
procedure TCustomEditButton.EditExit;
begin
if Assigned(FOnEditExit) then FOnEditExit(Self);
end;
procedure TCustomEditButton.EditKeyDown(var Key: word; Shift: TShiftState);
begin
if Assigned(FOnEditKeyDown) then FOnEditKeyDown(Self, Key, Shift);
end;
procedure TCustomEditButton.EditKeyPress(var Key: char);
begin
if Assigned(FOnEditKeyPress) then FOnEditKeyPress(Self, Key);
end;
procedure TCustomEditButton.EditKeyUp(var Key: word; Shift: TShiftState);
begin
if Assigned(FOnEditKeyUp) then FOnEditKeyUp(Self, Key, Shift);
end;
procedure TCustomEditButton.EditMouseDown(Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
if Assigned(FOnEditMouseDown) then FOnEditMouseDown(Self, Button, Shift, X, Y);
end;
procedure TCustomEditButton.EditMouseUp(Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
if Assigned(FOnEditMouseUp) then FOnEditMouseUp(Self, Button, Shift, X, Y);
end;
procedure TCustomEditButton.EditMouseEnter;
begin
if Assigned(FOnEditMouseEnter) then FOnEditMouseEnter(Self);
end;
procedure TCustomEditButton.EditMouseLeave;
begin
if Assigned(FOnEditMouseLeave) then FOnEditMouseLeave(Self);
end;
procedure TCustomEditButton.EditMouseMove(Shift: TShiftState; X, Y: Integer);
begin
if Assigned(FOnEditMouseMove) then FOnEditMouseMove(Self, Shift, X, Y);
end;
procedure TCustomEditButton.EditUtf8KeyPress(var UTF8Key: TUTF8Char);
begin
if Assigned(FOnEditUtf8KeyPress) then FOnEditUtf8KeyPress(Self, Utf8Key);
end;
procedure TCustomEditButton.EditStartDrag(var DragObject: TDragObject);
begin
if Assigned(FOnEditStartDrag) then FOnEditStartDrag(Self, DragObject);
end;
procedure TCustomEditButton.CheckCursor;
begin
FEdit.CheckCursor;
end;
procedure TCustomEditButton.CMParentColorChanged(var Message: TLMessage);
begin
if inherited ParentColor then
begin
inherited SetColor(Parent.Color);
inherited ParentColor := True;
end;
end;
function TCustomEditButton.EditCanModify: Boolean;
begin
Result := FEdit.EditCanModify;
end;
procedure TCustomEditButton.GetSel(out _SelStart: Integer; out _SelStop: Integer);
begin
FEdit.GetSel(_SelStart, _SelStop);
end;
procedure TCustomEditButton.SetSel(const _SelStart: Integer; _SelStop: Integer);
begin
FEdit.SetSel(_SelStart, _SelStop);
end;
procedure TCustomEditButton.Loaded;
begin
inherited Loaded;
{
inherited Loaded sends a CM_PARENTFONTCHANGED message, which then
also sets FEdit's color, which is undesired.
}
if GetColor <> FInitialColor then SetColor(FInitialColor);
CheckButtonVisible;
end;
procedure TCustomEditButton.Reset;
begin
FEdit.Reset;
end;
procedure TCustomEditButton.SetGlyph(AValue: TBitmap);
begin
FButton.Glyph := AValue;
Invalidate;
end;
procedure TCustomEditButton.SetReadOnly(AValue: Boolean);
begin
FIsReadOnly := AValue;
FEdit.ReadOnly := AValue or (not DirectInput);
FButton.Enabled := not FIsReadOnly and Enabled;
end;
procedure TCustomEditButton.SetSelLength(AValue: Integer);
begin
FEdit.SelLength := AValue;
end;
procedure TCustomEditButton.SetSelStart(AValue: Integer);
begin
FEdit.SelStart := AValue;
end;
procedure TCustomEditButton.SetSelText(AValue: String);
begin
FEdit.SelText := AValue;
end;
procedure TCustomEditButton.SetTabStop(AValue: Boolean);
begin
inherited TabStop := AValue;
FEdit.TabStop := AValue;
end;
constructor TCustomEditButton.Create(AOwner: TComponent);
var
B: TBitmap;
begin
FButton := TSpeedButton.Create(Self);
FEdit := TEbEdit.Create(Self);
inherited Create(AOwner);
ControlStyle := ControlStyle + [csNoFocus];
FEdit.ParentColor := False;
FInitialColor := {$ifdef UseCLDefault}clDefault{$else}clWindow{$endif};
BorderStyle := bsNone;
FButtonAlign := BaRight;
FButtonOnlyWhenFocused := False;
FDirectInput := True;
FIsReadOnly := False;
TabStop := True;
FocusOnButtonClick := False;
with GetControlClassDefaultSize do
SetInitialBounds(0, 0, CX, CY);
with FButton do
begin
Align := alRight;
OnClick := @InternalOnButtonClick;
Parent := Self;
end;
B := GetDefaultGlyph;
if B = nil
then
FButton.LoadGlyphFromResourceName(hInstance, GetDefaultGlyphName)
else
FButton.Glyph := B;
with FEdit do
begin
Align := alClient;
ParentColor := False;
ParentFont := True;
AutoSelect := True;
Alignment := taLeftJustify;
ReadOnly := False;
OnChange := @InternalOnEditChange;
OnClick := @InternalOnEditClick;
OnDblClick := @InternalOnEditDblClick;
OnDragDrop := @InternalOnEditDragDrop;
OnDragOver := @InternalOnEditDragOver;
OnEditingDone := @InternalOnEditEditingDone;
OnEndDrag := @InternalOnEditEndDrag;
OnExit := @InternalOnEditExit;
OnEnter := @InternalOnEditEnter;
OnKeyDown := @InternalOnEditKeyDown;
OnKeyPress := @InternalOnEditKeyPress;
OnKeyUp := @InternalOnEditKeyUp;
OnMouseDown := @InternalOnEditMouseDown;
OnMouseUp := @InternalOnEditMouseUp;
OnMouseEnter := @InternalOnEditMouseEnter;
OnMouseLeave := @InternalOnEditMouseLeave;
OnMouseMove := @InternalOnEditMouseMove;
OnStartDrag := @InternalOnEditStartDrag;
OnUtf8KeyPress := @InternalOnEditUtf8KeyPress;
Parent := Self;
end;
AutoSize := True;
Color := {$ifdef UseCLDefault}clDefault{$else}clWindow{$endif};
inherited ParentColor := True; //don't want to see the container if Parent's color changes
end;
destructor TCustomEditButton.Destroy;
begin
inherited Destroy;
end;
function TCustomEditButton.Focused: Boolean;
begin
Result := FEdit.Focused;
end;
procedure TCustomEditButton.Clear;
begin
FEdit.Clear;
end;
procedure TCustomEditButton.ClearSelection;
begin
FEdit.ClearSelection;
end;
procedure TCustomEditButton.CopyToClipboard;
begin
FEdit.CopyToClipboard;
end;
procedure TCustomEditButton.CutToClipboard;
begin
FEdit.CutToClipBoard;
end;
procedure TCustomEditButton.PasteFromClipboard;
begin
FEdit.PasteFromClipBoard;
end;
procedure TCustomEditButton.SelectAll;
begin
FEdit.SelectAll;
end;
procedure TCustomEditButton.Undo;
begin
FEdit.Undo;
end;
procedure TCustomEditButton.ValidateEdit;
begin
FEdit.ValidateEdit;
end;
{ TCustomControlFilterEdit }
constructor TCustomControlFilterEdit.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
CharCase:=ecLowerCase;
Button.Enabled:=False;
fIsFirstUpdate:=True;
fIsFirstSetFormActivate:=True;
end;
destructor TCustomControlFilterEdit.Destroy;
begin
inherited Destroy;
end;
procedure TCustomControlFilterEdit.OnIdle(Sender: TObject; var Done: Boolean);
begin
if fNeedUpdate then
ApplyFilter(true);
IdleConnected:=false;
if Assigned(fOnAfterFilter) then
fOnAfterFilter(Self);
end;
procedure TCustomControlFilterEdit.SetUseFormActivate(AValue: Boolean);
var
c: TWinControl;
begin
if fUseFormActivate=AValue then Exit;
fUseFormActivate:=AValue;
c:=Parent;
// Find the parent form
while Assigned(c) and not (c is TForm) do
c:=c.Parent;
// Found: set or remove Activate and Deactivate handlers
if c is TForm then begin
fParentForm:=TForm(c);
if AValue then begin // Set handlers
if fIsFirstSetFormActivate then begin
if Assigned(fParentForm.OnActivate) or Assigned(fParentForm.OnDeactivate) then
raise Exception.Create('TCustomControlFilterEdit.SetUseFormActivate:'+
' OnActivate handler already set in parent form');
fIsFirstSetFormActivate:=False;
end;
fParentForm.OnActivate:=@FormActivate;
fParentForm.OnDeactivate:=@FormDeactivate;
end
else begin // Remove handlers
fParentForm.OnActivate:=nil;
fParentForm.OnDeactivate:=nil;
end;
end
else
raise Exception.Create('TCustomControlFilterEdit.SetUseFormActivate: This control'+
' has no TForm in the parent chain. You should disable UseFormActivate.');
end;
procedure TCustomControlFilterEdit.FormActivate(Sender: TObject);
begin
fJustActivated:=fParentForm.ActiveControl=Self.FEdit;
if fJustActivated then
Filter:=Text;
end;
procedure TCustomControlFilterEdit.FormDeactivate(Sender: TObject);
begin
fJustActivated:=False;
end;
procedure TCustomControlFilterEdit.SetFilter(const AValue: string);
var
NewValue: String;
begin
if AValue=rsFilter then
NewValue:=''
else
NewValue:=AValue;
Button.Enabled:=NewValue<>'';
if (NewValue<>'') or Focused or fJustActivated or (csDesigning in ComponentState) then
begin
Text:=NewValue;
Font.Color:=clDefault;
end
else begin
Text:=rsFilter;
Font.Color:=clBtnShadow;
end;
if fFilter=NewValue then exit;
fFilter:=NewValue;
ApplyFilter;
end;
procedure TCustomControlFilterEdit.SetIdleConnected(const AValue: Boolean);
begin
if fIdleConnected=AValue then exit;
fIdleConnected:=AValue;
if fIdleConnected then
Application.AddOnIdleHandler(@OnIdle)
else
Application.RemoveOnIdleHandler(@OnIdle);
end;
procedure TCustomControlFilterEdit.EditKeyDown(var Key: Word; Shift: TShiftState);
var
Handled: Boolean;
begin
Handled:=False;
if Shift = [] then
case Key of
VK_UP: begin MovePrev; Handled:=True; end;
VK_DOWN: begin MoveNext; Handled:=True; end;
VK_RETURN: Handled:=ReturnKeyHandled;
end;
if Handled then
Key:=VK_UNKNOWN
else
inherited EditKeyDown(Key, Shift);
end;
procedure TCustomControlFilterEdit.EditChange;
begin
Filter:=Text;
inherited;
end;
procedure TCustomControlFilterEdit.EditEnter;
begin
// inherited;
fJustActivated:=False;
if Text=rsFilter then
Text:='';
end;
procedure TCustomControlFilterEdit.EditExit;
begin
fJustActivated:=False;
Filter:=Text;
// inherited;
end;
procedure TCustomControlFilterEdit.ButtonClick;
begin
fJustActivated:=False;
Filter:='';
if FocusOnButtonClick then FEdit.SetFocus; //don't SelectAll here
end;
procedure TCustomControlFilterEdit.ApplyFilter(Immediately: Boolean);
begin
if Immediately then begin
fNeedUpdate := False;
SortAndFilter;
if (fSelectedPart=Nil) and not fIsFirstUpdate then
StoreSelection; // At first round the selection is from caller
fIsFirstUpdate:=False;
ApplyFilterCore; // The actual filtering implemented by inherited class.
fSelectedPart:=Nil;
RestoreSelection;
end
else if [csDestroying,csDesigning]*ComponentState=[] then
InvalidateFilter;
end;
procedure TCustomControlFilterEdit.InvalidateFilter;
begin
fNeedUpdate:=true;
IdleConnected:=true;
end;
procedure TCustomControlFilterEdit.ResetFilter;
begin
Filter := '';
end;
function TCustomControlFilterEdit.ForceFilter(AFilter: String): String;
// Apply a new filter immediately without waiting for idle. Returns the previous filter.
begin
Result := FFilter;
if fFilter <> AFilter then begin
FFilter := AFilter;
ApplyFilter(True);
end;
end;
function TCustomControlFilterEdit.GetDefaultGlyphName: String;
begin
Result := ResBtnListFilter;
end;
{ TFileNameEdit }
constructor TFileNameEdit.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FDialogFiles := TStringList.Create;
FDialogKind := dkOpen;
FDialogOptions := DefaultOpenDialogOptions;
end;
destructor TFileNameEdit.Destroy;
begin
FreeAndNil(FDialogFiles);
inherited Destroy;
end;
procedure TFileNameEdit.SetFileName(const AValue: String);
begin
if FFileNameChangeLock > 0 then
Exit;
FFileName := AValue;
Inc(FFileNameChangeLock);
try
if FHideDirectories then
Text:=ExtractFileName(AValue) //Originally used inherited RealSetText()
else
Text:=AValue
finally
Dec(FFileNameChangeLock);
end;
end;
function TFileNameEdit.CreateDialog(AKind: TDialogKind): TCommonDialog;
var
O: TOpenDialog;
S: TSaveDialog;
Dir: String;
begin
case AKind of
dkOpen, dkPictureOpen:
begin
O := TOpenDialog.Create(Self);
Result := O;
end;
dkSave, dkPictureSave:
begin
S:=TSaveDialog.Create(Self);
S.DefaultExt := FDefaultExt;
Result := S;
end;
end;
if Result is TOpenDialog then
begin
O:=TOpenDialog(Result);
Dir:=ExtractFilePath(Filename);
if (Dir<>'') and DirPathExists(Dir) then
// setting a FileName with path disables InitialDir
O.FileName := FileName
else begin
// do not use path, so that InitialDir works
O.FileName := ExtractFileName(Filename);
end;
O.Options := DialogOptions;
O.Filter := Filter;
O.FilterIndex := FilterIndex;
O.InitialDir := CleanAndExpandDirectory(InitialDir);
end;
// Set some common things.
Result.Title := DialogTitle;
end;
procedure TFileNameEdit.SaveDialogResult(AKind: TDialogKind; D: TCommonDialog);
var
FN: String;
begin
case AKind of
dkOpen, dkPictureOpen :
begin
FilterIndex := TOpenDialog(D).FilterIndex;
FN := TOpenDialog(D).FileName;
if (FN <> '') then
begin
if Assigned(OnAcceptFileName) then
OnAcceptFileName(Self, FN);
end;
if (FN <> '') then
begin
// set FDialogFiles first since assigning of FileName trigger events
FDialogFiles.Text := TOpenDialog(D).Files.Text;
FileName := FN;
end;
end;
dkSave, dkPictureSave :
begin
FileName := TSaveDialog(D).FileName;
FilterIndex := TSaveDialog(D).FilterIndex;
FDialogFiles.Clear;
end;
end;
end;
procedure TFileNameEdit.ButtonClick;
begin
inherited ButtonClick;
RunDialog;
//Do this after the dialog, otherwise it just looks silly
if FocusOnButtonClick then FocusAndMaybeSelectAll;
end;
function TFileNameEdit.GetDefaultGlyph: TBitmap;
begin
Result := FileOpenGlyph;
end;
function TFileNameEdit.GetDefaultGlyphName: String;
begin
Result := ResBtnFileOpen;
end;
procedure TFileNameEdit.RunDialog;
var
D: TCommonDialog;
begin
D := CreateDialog(DialogKind);
try
if D.Execute then
SaveDialogResult(DialogKind, D);
finally
D.Free;
end
end;
procedure TFileNameEdit.EditChange;
begin
if FFileNameChangeLock <= 0 then
begin
Inc(FFileNameChangeLock);
try
if FHideDirectories and (ExtractFilePath(Text) = '') then
FFileName := ExtractFilePath(FFileName) + Text
else
FFileName := Text;
finally
Dec(FFileNameChangeLock);
end;
end;
inherited EditChange; //do this _after_ we have updated FFileName
end;
procedure TFileNameEdit.DoFolderChange(Sender: TObject);
begin
if Assigned(FOnFolderChange) then
FOnFolderChange(Self);
end;
{ TDirectoryEdit }
procedure TDirectoryEdit.SetDirectory(const AValue: String);
begin
if (Text<>AValue) then
Text:=AValue;
end;
function TDirectoryEdit.CreateDialog: TCommonDialog;
begin
Result:=TSelectDirectoryDialog.Create(Self);
if DirPathExists(Directory) then
begin
TSelectDirectoryDialog(Result).InitialDir:=Directory;
TSelectDirectoryDialog(Result).FileName:='';
end
else
begin
TSelectDirectoryDialog(Result).InitialDir:=RootDir;
TSelectDirectoryDialog(Result).FileName:=Directory;
end;
// Set some common things.
Result.Title := DialogTitle;
end;
function TDirectoryEdit.GetDialogResult(D: TCommonDialog) : String;
begin
Result:=TSelectDirectoryDialog(D).FileName;
end;
procedure TDirectoryEdit.ButtonClick;
begin
inherited ButtonClick;
RunDialog;
//Do this after the dialog, oterwise it just looks silly
if FocusOnButtonClick then FocusAndMaybeSelectAll;
end;
function TDirectoryEdit.GetDefaultGlyph: TBitmap;
begin
Result := FileOpenGlyph;
end;
function TDirectoryEdit.GetDefaultGlyphName: String;
begin
Result := ResBtnSelDir;
end;
procedure TDirectoryEdit.RunDialog;
var
D: String;
Dlg: TCommonDialog;
B: Boolean;
begin
Dlg:=CreateDialog;
try
B:=Dlg.Execute;
if B then
D:=GetDialogResult(Dlg);
finally
Dlg.Free;
end;
if B then
begin
if Assigned(FOnAcceptDir) then
begin
FOnAcceptdir(Self,D);
if (D<>'') then
Directory:=D;
end
else
Directory:=D;
end;
end;
function TDirectoryEdit.GetDirectory: String;
begin
Result:=Text;
end;
{ TDateEdit }
function StrToDateDef(cDate: String; dDefault: TDateTime): TDateTime;
begin
try
Result := StrToDate(cDate)
except
Result := dDefault;
end;
end;
constructor TDateEdit.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FDefaultToday := False;
FDisplaySettings := [dsShowHeadings, dsShowDayNames];
DialogTitle := rsPickDate;
OKCaption := 'OK';
CancelCaption := 'Cancel';
DateFormatChanged;
end;
procedure TDateEdit.DateFormatChanged;
begin
FDateFormat := DefaultFormatSettings.ShortDateFormat;
end;
function TDateEdit.GetDateFormat: string;
begin
Result := FDateFormat;
end;
function TDateEdit.GetDefaultGlyph: TBitmap;
begin
Result := DateGlyph;
end;
function TDateEdit.GetDefaultGlyphName: String;
begin
Result := ResBtnCalendar;
end;
procedure TDateEdit.ButtonClick;//or onClick
var
PopupOrigin: TPoint;
ADate: TDateTime;
begin
inherited ButtonClick;
PopupOrigin := ControlToScreen(Point(0, Height));
ADate := GetDate;
if ADate = NullDate then
ADate := SysUtils.Date;
ShowCalendarPopup(PopupOrigin, ADate, CalendarDisplaySettings,
@CalendarPopupReturnDate, @CalendarPopupShowHide);
//Do this after the dialog, otherwise it just looks silly
if FocusOnButtonClick then FocusAndMaybeSelectAll;
end;
procedure TDateEdit.EditDblClick;
begin
inherited EditDblClick;
if not ReadOnly then
ButtonClick;
end;
procedure TDateEdit.SetDateMask;
Var
S : String;
D : TDateTime;
begin
Case DateOrder of
doNone :
begin
S:=''; // no mask
FDateFormat:='';
end;
doDMY,
doMDY :
begin
S:='99/99/9999;1;_';
if DateOrder=doMDY then
FDateFormat:='mm/dd/yyyy'
else
FDateFormat:='dd/mm/yyyy';
end;
doYMD :
begin
S:='9999/99/99;1;_';
FDateFormat:='yyyy/mm/dd';
end;
end;
D:=GetDate;
EditMask:=S;
SetDate(D);
end;
Function ParseDate(S : String; Order : TDateOrder; Def: TDateTime) : TDateTime;
Var
P,N1,N2,N3 : Integer;
B : Boolean;
begin
Result:=Def;
P:=Pos(DefaultFormatSettings.DateSeparator,S);
If (P=0) then
Exit;
N1:=StrToIntDef(Copy(S,1,P-1),-1);
If (N1=-1) then Exit;
Delete(S,1,P);
P:=Pos(DefaultFormatSettings.DateSeparator,S);
If (P=0) then
Exit;
N2:=StrToIntDef(Copy(S,1,P-1),-1);
If (N1=0) then Exit;
Delete(S,1,P);
N3:=StrToIntDef(S,-1);
If (N3=-1) then
exit;
Case Order of
doYMD : B:=TryEncodeDate(N1,N2,N3,Result);
doMDY : B:=TryEncodeDate(N3,N1,N2,Result);
doDMY : B:=TryEncodeDate(N3,N2,N1,Result);
end;
If not B then // Not sure if TryEncodeDate touches Result.
Result:=Def;
end;
function TDateEdit.GetDate: TDateTime;
var
ADate: string;
begin
if FDefaultToday then
Result := SysUtils.Date
else
Result := NullDate;
ADate := Trim(Text);
if ADate <> '' then
begin
if Assigned(FOnCustomDate) then
FOnCustomDate(Self, ADate);
if (DateOrder = doNone) then
Result := StrToDateDef(ADate, Result)
else
Result := ParseDate(ADate,DateOrder,Result)
end;
end;
function TDateEdit.IsStoreTitle: boolean;
begin
Result := DialogTitle <> rsPickDate;
end;
procedure TDateEdit.SetDate(Value: TDateTime);
begin
if {not IsValidDate(Value) or }(Value = NullDate) then
begin
if DefaultToday then
Value := SysUtils.Date
else
Value := NullDate;
end;
if Value = NullDate then
Text := ''
else
begin
if (FDateFormat = '') then
Text := DateToStr(Value)
else
Text := FormatDateTime(FDateFormat, Value)
end;
end;
procedure TDateEdit.CalendarPopupReturnDate(Sender: TObject;
const ADate: TDateTime);
var
B: Boolean;
D: TDateTime;
begin
try
B := True;
D := ADate;
if Assigned(FOnAcceptDate) then
FOnAcceptDate(Self, D, B);
if B then
Self.Date := D;
except
on E:Exception do
MessageDlg(E.Message, mtError, [mbOK], 0);
end;
end;
procedure TDateEdit.CalendarPopupShowHide(Sender: TObject);
begin
FDroppedDown := (Sender as TForm).Visible;
end;
procedure TDateEdit.SetDateOrder(const AValue: TDateOrder);
begin
if FDateOrder=AValue then exit;
FDateOrder:=AValue;
SetDateMask;
end;
{ TCalcEdit }
function TCalcEdit.GetAsFloat: Double;
begin
Result := StrToFloatDef(Trim(Text), 0.0);
end;
function TCalcEdit.GetAsInteger: Integer;
begin
Result:=StrToIntDef(Text,0);
end;
function TCalcEdit.GetDefaultGlyph: TBitmap;
begin
Result := CalcGlyph;
end;
function TCalcEdit.GetDefaultGlyphName: String;
begin
Result := ResBtnCalculator;
end;
procedure TCalcEdit.SetAsFloat(const AValue: Double);
begin
Text:=FloatToStr(AValue);
end;
procedure TCalcEdit.SetAsInteger(const AValue: Integer);
begin
Text:=IntToStr(AValue);
end;
function TCalcEdit.TitleStored: boolean;
begin
Result:=FDialogTitle<>rsCalculator;
end;
procedure TCalcEdit.ButtonClick;
begin
inherited ButtonClick;
RunDialog;
//Do this after the dialog, otherwise it just looks silly
if FocusOnButtonClick then FocusAndMaybeSelectAll;
end;
procedure TCalcEdit.RunDialog;
var
D : Double;
B : Boolean;
begin
D:=AsFloat;
with CreateCalculatorForm(Self,FLayout,0) do
try
Caption:=DialogTitle;
Value:=D;
if (ShowModal=mrOK) then
begin
D:=Value;
B:=True;
If Assigned(FOnAcceptValue) then
FOnAcceptValue(Self,D,B);
if B then
AsFloat:=D;
end;
finally
Free;
end;
end;
constructor TCalcEdit.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FdialogTitle:=rsCalculator;
end;
procedure Register;
begin
RegisterComponents('Misc', [TEditButton,TFileNameEdit,TDirectoryEdit,
TDateEdit,TCalcEdit]);
end;
end.