mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-10-31 17:41:37 +01:00
1597 lines
53 KiB
ObjectPascal
1597 lines
53 KiB
ObjectPascal
{
|
|
/***************************************************************************
|
|
stdctrls.pp
|
|
-----------
|
|
|
|
Initial Revision : Tue Oct 19 CST 1999
|
|
|
|
***************************************************************************/
|
|
|
|
*****************************************************************************
|
|
* *
|
|
* 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 StdCtrls;
|
|
|
|
{$mode objfpc}{$H+}
|
|
{$I lcl_defines.inc}
|
|
|
|
interface
|
|
|
|
|
|
uses
|
|
Classes, SysUtils, types, LCLStrConsts, LCLType, LCLProc, LMessages, Graphics,
|
|
GraphType, ExtendedStrings, LCLIntf, ClipBrd, ActnList, Controls,
|
|
TextStrings, Forms, Menus, LResources;
|
|
|
|
type
|
|
|
|
{ TCustomEdit Options}
|
|
|
|
TEditCharCase = (ecNormal, ecUppercase, ecLowerCase);
|
|
TEchoMode = (emNormal, emNone, emPassword);
|
|
|
|
{ TScrollBar }
|
|
|
|
TScrollStyle = (ssNone, ssHorizontal, ssVertical, ssBoth,
|
|
ssAutoHorizontal, ssAutoVertical, ssAutoBoth);
|
|
|
|
TScrollCode = (
|
|
// !!! Beware. The position of these enums must correspond to the SB_xxx
|
|
// values in LCLType (Delphi compatibility, not our decision)
|
|
// MWE: Don't know it this still is a requirement
|
|
// afaik have I remeved all casts from the LCL
|
|
scLineUp, // = SB_LINEUP
|
|
scLineDown, // = SB_LINEDOWN
|
|
scPageUp, // = SB_PAGEUP
|
|
scPageDown, // = SB_PAGEDOWN
|
|
scPosition, // = SB_THUMBPOSITION
|
|
scTrack, // = SB_THUMBTRACK
|
|
scTop, // = SB_TOP
|
|
scBottom, // = SB_BOTTOM
|
|
scEndScroll // = SB_ENDSCROLL
|
|
);
|
|
|
|
TScrollEvent = procedure(Sender: TObject; ScrollCode: TScrollCode;
|
|
var ScrollPos: Integer) of object;
|
|
|
|
{ TCustomScrollBar }
|
|
|
|
TCustomScrollBar = class(TWinControl)
|
|
private
|
|
FKind: TScrollBarKind;
|
|
FPosition: Integer;
|
|
FMin: Integer;
|
|
FMax: Integer;
|
|
FPageSize: Integer;
|
|
FRTLFactor: Integer;
|
|
FSmallChange: TScrollBarInc;
|
|
FLargeChange: TScrollBarInc;
|
|
FOnChange: TNotifyEvent;
|
|
FOnScroll: TScrollEvent;
|
|
procedure DoScroll(var Message: TLMScroll);
|
|
function NotRightToLeft: Boolean;
|
|
procedure SetKind(Value: TScrollBarKind);
|
|
procedure SetMax(Value: Integer);
|
|
procedure SetMin(Value: Integer);
|
|
procedure SetPosition(Value: Integer);
|
|
procedure SetPageSize(Value: Integer);
|
|
procedure CNHScroll(var Message: TLMHScroll); message LM_HSCROLL;
|
|
procedure CNVScroll(var Message: TLMVScroll); message LM_VSCROLL;
|
|
procedure CNCtlColorScrollBar(var Message: TLMessage); message CN_CTLCOLORSCROLLBAR;
|
|
procedure WMEraseBkgnd(var Message: TLMEraseBkgnd); message LM_ERASEBKGND;
|
|
protected
|
|
class procedure WSRegisterClass; override;
|
|
class function GetControlClassDefaultSize: TSize; override;
|
|
procedure CreateParams(var Params: TCreateParams); override;
|
|
procedure CreateWnd; override;
|
|
procedure Change; virtual;
|
|
procedure Scroll(ScrollCode: TScrollCode; var ScrollPos: Integer); virtual;
|
|
procedure CalculatePreferredSize(var PreferredWidth,
|
|
PreferredHeight: integer; WithThemeSpace: Boolean); override;
|
|
public
|
|
constructor Create(AOwner: TComponent); override;
|
|
procedure SetParams(APosition, AMin, AMax, APageSize: Integer);
|
|
procedure SetParams(APosition, AMin, AMax: Integer);
|
|
public
|
|
property Kind: TScrollBarKind read FKind write SetKind default sbHorizontal;
|
|
property LargeChange: TScrollBarInc read FLargeChange write FLargeChange default 1;
|
|
property Max: Integer read FMax write SetMax default 100;
|
|
property Min: Integer read FMin write SetMin default 0;
|
|
property PageSize: Integer read FPageSize write SetPageSize;
|
|
property Position: Integer read FPosition write SetPosition default 0;
|
|
property SmallChange: TScrollBarInc read FSmallChange write FSmallChange default 1;
|
|
property TabStop default true;
|
|
property OnChange: TNotifyEvent read FOnChange write FOnChange;
|
|
property OnScroll: TScrollEvent read FOnScroll write FOnScroll;
|
|
end;
|
|
|
|
|
|
{ TScrollBar }
|
|
|
|
TScrollBar = class(TCustomScrollBar)
|
|
published
|
|
property Align;
|
|
property Anchors;
|
|
property BidiMode;
|
|
property BorderSpacing;
|
|
property Constraints;
|
|
property DragCursor;
|
|
property DragKind;
|
|
property DragMode;
|
|
property Enabled;
|
|
property Kind;
|
|
property LargeChange;
|
|
property Max;
|
|
property Min;
|
|
property PageSize;
|
|
property ParentBidiMode;
|
|
property ParentShowHint;
|
|
property PopupMenu;
|
|
property Position;
|
|
property ShowHint;
|
|
property SmallChange;
|
|
property TabOrder;
|
|
property TabStop;
|
|
property Visible;
|
|
property OnChange;
|
|
property OnContextPopup;
|
|
property OnDragDrop;
|
|
property OnDragOver;
|
|
property OnEndDrag;
|
|
property OnEnter;
|
|
property OnExit;
|
|
property OnKeyDown;
|
|
property OnKeyPress;
|
|
property OnKeyUp;
|
|
property OnScroll;
|
|
property OnStartDrag;
|
|
property OnUTF8KeyPress;
|
|
end;
|
|
|
|
|
|
{ TCustomGroupBox }
|
|
|
|
TCustomGroupBox = class(TWinControl)
|
|
protected
|
|
class procedure WSRegisterClass; override;
|
|
class function GetControlClassDefaultSize: TSize; override;
|
|
procedure CreateParams(var Params: TCreateParams); override;
|
|
public
|
|
constructor Create(AOwner: TComponent); override;
|
|
end;
|
|
|
|
|
|
{ TGroupBox }
|
|
|
|
TGroupBox = class(TCustomGroupBox)
|
|
published
|
|
property Align;
|
|
property Anchors;
|
|
property AutoSize;
|
|
property BidiMode;
|
|
property BorderSpacing;
|
|
property Caption;
|
|
property ChildSizing;
|
|
property ClientHeight;
|
|
property ClientWidth;
|
|
property Color;
|
|
property Constraints;
|
|
property DockSite;
|
|
property DragCursor;
|
|
property DragKind;
|
|
property DragMode;
|
|
property Enabled;
|
|
property Font;
|
|
property ParentBidiMode;
|
|
property ParentColor;
|
|
property ParentFont;
|
|
property ParentShowHint;
|
|
property PopupMenu;
|
|
property ShowHint;
|
|
property TabOrder;
|
|
property TabStop;
|
|
property Visible;
|
|
property OnChangeBounds;
|
|
property OnClick;
|
|
property OnContextPopup;
|
|
property OnDblClick;
|
|
property OnDragDrop;
|
|
property OnDockDrop;
|
|
property OnDockOver;
|
|
property OnDragOver;
|
|
property OnEndDock;
|
|
property OnEndDrag;
|
|
property OnEnter;
|
|
property OnExit;
|
|
property OnGetSiteInfo;
|
|
property OnKeyDown;
|
|
property OnKeyPress;
|
|
property OnKeyUp;
|
|
property OnMouseDown;
|
|
property OnMouseEnter;
|
|
property OnMouseLeave;
|
|
property OnMouseMove;
|
|
property OnMouseUp;
|
|
property OnResize;
|
|
property OnStartDock;
|
|
property OnStartDrag;
|
|
property OnUnDock;
|
|
property OnUTF8KeyPress;
|
|
end;
|
|
|
|
{ TCustomComboBox }
|
|
TComboBoxAutoCompleteTextOption = (
|
|
cbactEnabled, //Enable Auto-Completion Feature
|
|
cbactEndOfLineComplete, //Perform Auto-Complete only when cursor is at end of line
|
|
cbactRetainPrefixCase, //Retains the case of characters user has typed if is cbactEndOfLineComplete
|
|
cbactSearchCaseSensitive, //Search Text with CaseSensitivity
|
|
cbactSearchAscending //Search Text from top of the list
|
|
);
|
|
TComboBoxAutoCompleteText = set of TComboBoxAutoCompleteTextOption;
|
|
const
|
|
DefaultComboBoxAutoCompleteText = [cbactEndOfLineComplete, cbactSearchAscending];
|
|
|
|
type
|
|
TComboBoxStyle = (
|
|
csDropDown, // like an TEdit plus a button to drop down the list, default
|
|
csSimple, // like an TEdit plus a TListBox
|
|
csDropDownList, // like TLabel plus a button to drop down the list
|
|
csOwnerDrawFixed, // like csDropDownList, but custom drawn
|
|
csOwnerDrawVariable // like csDropDownList, but custom drawn and with each item can have another height
|
|
);
|
|
|
|
TOwnerDrawState = LCLType.TOwnerDrawState;
|
|
|
|
TDrawItemEvent = procedure(Control: TWinControl; Index: Integer;
|
|
ARect: TRect; State: TOwnerDrawState) of object;
|
|
TMeasureItemEvent = procedure(Control: TWinControl; Index: Integer;
|
|
var AHeight: Integer) of object;
|
|
|
|
{ TCustomComboBox }
|
|
|
|
TCustomComboBox = class(TWinControl)
|
|
private
|
|
FCharCase: TEditCharCase;
|
|
FAutoCompleteText: TComboBoxAutoCompleteText;
|
|
FAutoSelect: Boolean;
|
|
FAutoSelected: Boolean;
|
|
FAutoDropDown: Boolean;
|
|
FCanvas: TCanvas;
|
|
FDropDownCount: Integer;
|
|
FDroppedDown: boolean;
|
|
FItemHeight: integer;
|
|
FItemIndex: integer;
|
|
FItemWidth: integer;
|
|
FItems: TStrings;
|
|
FMaxLength: integer;
|
|
FOnChange: TNotifyEvent;
|
|
FOnCloseUp: TNotifyEvent;
|
|
FOnDrawItem: TDrawItemEvent;
|
|
FOnDropDown: TNotifyEvent;
|
|
FOnGetItems: TNotifyEvent;
|
|
FOnMeasureItem: TMeasureItemEvent;
|
|
FOnSelect: TNotifyEvent;
|
|
FReadOnly: Boolean;
|
|
FSelLength: integer;
|
|
FSelStart: integer;
|
|
FSorted: boolean;
|
|
FStyle: TComboBoxStyle;
|
|
FArrowKeysTraverseList: Boolean;
|
|
FReturnArrowState: Boolean; //used to return the state of arrow keys from termporary change
|
|
function GetAutoComplete: boolean;
|
|
function GetDroppedDown: Boolean;
|
|
function GetItemWidth: Integer;
|
|
procedure SetAutoComplete(const AValue: boolean);
|
|
procedure SetItemWidth(const AValue: Integer);
|
|
procedure LMDrawListItem(var TheMessage: TLMDrawListItem); message LM_DrawListItem;
|
|
procedure LMMeasureItem(var TheMessage: TLMMeasureItem); message LM_MeasureItem;
|
|
procedure LMSelChange(var TheMessage); message LM_SelChange;
|
|
procedure KeyUpAfterInterface(var Key: Word; Shift: TShiftState); override;
|
|
procedure CNCommand(var TheMessage: TLMCommand); message CN_Command;
|
|
procedure SetReadOnly(const AValue: Boolean);
|
|
procedure UpdateSorted;
|
|
procedure SetArrowKeysTraverseList(Value: Boolean);
|
|
procedure WMChar(var Message: TLMChar); message LM_CHAR;
|
|
procedure SetCharCase(eccCharCase: TEditCharCase);
|
|
protected
|
|
class procedure WSRegisterClass; override;
|
|
procedure CreateParams(var Params: TCreateParams); override;
|
|
procedure InitializeWnd; override;
|
|
procedure DestroyWnd; override;
|
|
procedure DoEnter; override;
|
|
procedure DoExit; override;
|
|
procedure DrawItem(Index: Integer; ARect: TRect;
|
|
State: TOwnerDrawState); virtual;
|
|
procedure MeasureItem(Index: Integer; var TheHeight: Integer); virtual;
|
|
class function GetControlClassDefaultSize: TSize; override;
|
|
procedure LMChanged(var Msg); message LM_CHANGED;
|
|
procedure Change; virtual;
|
|
procedure Select; virtual;
|
|
procedure DropDown; virtual;
|
|
procedure GetItems; virtual;
|
|
procedure SetItems(const Value: TStrings); virtual;
|
|
procedure CloseUp; virtual;
|
|
procedure AdjustDropDown; virtual;
|
|
|
|
function GetItemCount: Integer; //override;
|
|
function GetItemHeight: Integer; virtual;
|
|
function GetSelLength: integer; virtual;
|
|
function GetSelStart: integer; virtual;
|
|
function GetSelText: string; virtual;
|
|
function GetItemIndex: integer; virtual;
|
|
function GetMaxLength: integer; virtual;
|
|
function IsReadOnlyStored: boolean;
|
|
procedure SetDropDownCount(const AValue: Integer); virtual;
|
|
procedure SetDroppedDown(const AValue: Boolean); virtual;
|
|
procedure SetItemHeight(const AValue: Integer); virtual;
|
|
procedure SetItemIndex(const Val: integer); virtual;
|
|
procedure SetMaxLength(AValue: integer); virtual;
|
|
procedure SetSelLength(Val: integer); virtual;
|
|
procedure SetSelStart(Val: integer); virtual;
|
|
procedure SetSelText(const Val: string); virtual;
|
|
procedure SetSorted(Val: boolean); virtual;
|
|
procedure SetStyle(Val: TComboBoxStyle); virtual;
|
|
procedure RealSetText(const AValue: TCaption); override;
|
|
procedure KeyDown(var Key: Word; Shift: TShiftState); override;
|
|
procedure KeyUp(var Key: Word; Shift: TShiftState); override;
|
|
procedure KeyPress(var Key: char); override;
|
|
procedure UTF8KeyPress(var UTF8Key: TUTF8Char); override;
|
|
procedure MouseUp(Button: TMouseButton; Shift:TShiftState; X, Y: Integer); override;
|
|
function SelectItem(const AnItem: String): Boolean;
|
|
|
|
property ItemHeight: Integer read GetItemHeight write SetItemHeight;
|
|
property ItemWidth: Integer read GetItemWidth write SetItemWidth default 0;
|
|
property MaxLength: integer read GetMaxLength write SetMaxLength default 0;
|
|
property OnChange: TNotifyEvent read FOnChange write FOnChange;
|
|
property OnCloseUp: TNotifyEvent read FOnCloseUp write FOnCloseUp;
|
|
property OnDrawItem: TDrawItemEvent read FOnDrawItem write FOnDrawItem;
|
|
property OnDropDown: TNotifyEvent read FOnDropDown write FOnDropDown;
|
|
property OnGetItems: TNotifyEvent read FOnGetItems write FOnGetItems;
|
|
property OnMeasureItem: TMeasureItemEvent
|
|
read FOnMeasureItem write FOnMeasureItem;
|
|
property OnSelect: TNotifyEvent read FOnSelect write FOnSelect;
|
|
property ParentColor default false;
|
|
property Sorted: boolean read FSorted write SetSorted default False;
|
|
public
|
|
constructor Create(TheOwner: TComponent); override;
|
|
destructor Destroy; override;
|
|
procedure IntfGetItems;
|
|
procedure AddItem(const Item: String; AnObject: TObject); virtual;
|
|
procedure AddHistoryItem(const Item: string; MaxHistoryCount: integer;
|
|
SetAsText, CaseSensitive: boolean);
|
|
procedure AddHistoryItem(const Item: string; AnObject: TObject;
|
|
MaxHistoryCount: integer; SetAsText, CaseSensitive: boolean);
|
|
procedure Clear; virtual;
|
|
procedure ClearSelection; //override;
|
|
property CharCase: TEditCharCase read FCharCase write SetCharCase default ecNormal;
|
|
property DroppedDown: Boolean read GetDroppedDown write SetDroppedDown;
|
|
procedure SelectAll;
|
|
property AutoComplete: boolean
|
|
read GetAutoComplete write SetAutoComplete default False;
|
|
property AutoCompleteText: TComboBoxAutoCompleteText
|
|
read FAutoCompleteText write FAutoCompleteText
|
|
default DefaultComboBoxAutoCompleteText;
|
|
property AutoDropDown: Boolean
|
|
read FAutoDropDown write FAutoDropDown default False;
|
|
property AutoSelect: Boolean read FAutoSelect write FAutoSelect default True;
|
|
property AutoSelected: Boolean read FAutoSelected write FAutoSelected;
|
|
property AutoSize default True; // Overrides default value
|
|
property ArrowKeysTraverseList: Boolean read FArrowKeysTraverseList
|
|
write SetArrowKeysTraverseList default True;
|
|
property Canvas: TCanvas read FCanvas;
|
|
property DropDownCount: Integer read FDropDownCount write SetDropDownCount default 8;
|
|
property Items: TStrings read FItems write SetItems;
|
|
property ItemIndex: integer read GetItemIndex write SetItemIndex default -1;
|
|
property ReadOnly: Boolean read FReadOnly write SetReadOnly stored IsReadOnlyStored;
|
|
property SelLength: integer read GetSelLength write SetSelLength;// byte length
|
|
property SelStart: integer read GetSelStart write SetSelStart;// byte position
|
|
property SelText: String read GetSelText write SetSelText;
|
|
property Style: TComboBoxStyle read FStyle write SetStyle default csDropDown;
|
|
property TabStop default true;
|
|
property Text;
|
|
end;
|
|
|
|
|
|
{ TComboBox }
|
|
|
|
TComboBox = class(TCustomComboBox)
|
|
published
|
|
property Align;
|
|
property Anchors;
|
|
property ArrowKeysTraverseList;
|
|
property AutoComplete;
|
|
property AutoCompleteText;
|
|
property AutoDropDown;
|
|
property AutoSelect;
|
|
property AutoSize;// Note: windows has a fixed height in some styles
|
|
property BidiMode;
|
|
property BorderSpacing;
|
|
property CharCase;
|
|
property Color;
|
|
property Constraints;
|
|
property DragCursor;
|
|
property DragKind;
|
|
property DragMode;
|
|
property DropDownCount;
|
|
property Enabled;
|
|
property Font;
|
|
property ItemHeight;
|
|
property ItemIndex;
|
|
property Items;
|
|
property ItemWidth;
|
|
property MaxLength;
|
|
property OnChange;
|
|
property OnChangeBounds;
|
|
property OnClick;
|
|
property OnCloseUp;
|
|
property OnContextPopup;
|
|
property OnDblClick;
|
|
property OnDragDrop;
|
|
property OnDragOver;
|
|
property OnDrawItem;
|
|
property OnEndDrag;
|
|
property OnDropDown;
|
|
property OnEditingDone;
|
|
property OnEnter;
|
|
property OnExit;
|
|
property OnGetItems;
|
|
property OnKeyDown;
|
|
property OnKeyPress;
|
|
property OnKeyUp;
|
|
property OnMeasureItem;
|
|
property OnMouseDown;
|
|
property OnMouseEnter;
|
|
property OnMouseLeave;
|
|
property OnMouseMove;
|
|
property OnMouseUp;
|
|
property OnStartDrag;
|
|
property OnSelect;
|
|
property OnUTF8KeyPress;
|
|
property ParentBidiMode;
|
|
property ParentColor;
|
|
property ParentFont;
|
|
property ParentShowHint;
|
|
property PopupMenu;
|
|
property ReadOnly;
|
|
property ShowHint;
|
|
property Sorted;
|
|
property Style;
|
|
property TabOrder;
|
|
property TabStop;
|
|
property Text;
|
|
property Visible;
|
|
end;
|
|
|
|
|
|
{ TCustomListBox }
|
|
|
|
TListBoxStyle = (lbStandard, lbOwnerDrawFixed, lbOwnerDrawVariable);
|
|
TSelectionChangeEvent = procedure(Sender: TObject; User: boolean) of object;
|
|
|
|
{ TCustomListBox }
|
|
|
|
TCustomListBox = class(TWinControl)
|
|
private
|
|
FCacheValid: Boolean;
|
|
FCanvas: TCanvas;
|
|
FClickOnSelChange: boolean;
|
|
FClickTriggeredBySelectionChange: Boolean;
|
|
FColumns: Integer;
|
|
FExtendedSelect: boolean;
|
|
FIntegralHeight: boolean;
|
|
FItemHeight: Integer;
|
|
FItemIndex: integer;
|
|
FItems: TStrings;
|
|
FLockSelectionChange: integer;
|
|
FMultiSelect: boolean;
|
|
FOnDrawItem: TDrawItemEvent;
|
|
FOnMeasureItem: TMeasureItemEvent;
|
|
FOnSelectionChange: TSelectionChangeEvent;
|
|
FScrollWidth: Integer;
|
|
FSorted: boolean;
|
|
FStyle: TListBoxStyle;
|
|
FTopIndex: integer;
|
|
function GetCount: Integer;
|
|
function GetScrollWidth: Integer;
|
|
function GetTopIndex: Integer;
|
|
procedure RaiseIndexOutOfBounds(AIndex: integer);
|
|
procedure SetColumns(const AValue: Integer);
|
|
procedure SetScrollWidth(const AValue: Integer);
|
|
procedure SetTopIndex(const AValue: Integer);
|
|
procedure UpdateSelectionMode;
|
|
procedure UpdateSorted;
|
|
procedure LMDrawListItem(var TheMessage: TLMDrawListItem); message LM_DrawListItem;
|
|
procedure LMMeasureItem(var TheMessage: TLMMeasureItem); message LM_MeasureItem;
|
|
procedure LMSelChange(var TheMessage); message LM_SelChange;
|
|
procedure WMLButtonUp(Var Message: TLMLButtonUp); message LM_LBUTTONUP;
|
|
procedure SendItemSelected(Index: integer; IsSelected: boolean);
|
|
protected
|
|
class procedure WSRegisterClass; override;
|
|
procedure AssignItemDataToCache(const AIndex: Integer; const AData: Pointer); virtual; // called to store item data while the handle isn't created
|
|
procedure AssignCacheToItemData(const AIndex: Integer; const AData: Pointer); virtual; // called to restore the itemdata after a handle is created
|
|
procedure BeginAutoDrag; override;
|
|
function CalculateStandardItemHeight: Integer;
|
|
procedure Loaded; override;
|
|
procedure CreateParams(var Params: TCreateParams); override;
|
|
procedure InitializeWnd; override;
|
|
procedure FinalizeWnd; override;
|
|
class function GetControlClassDefaultSize: TSize; override;
|
|
procedure CheckIndex(const AIndex: Integer);
|
|
function GetItemHeight: Integer;
|
|
function GetItemIndex: integer; virtual;
|
|
function GetSelCount: integer;
|
|
function GetSelected(Index: integer): boolean;
|
|
function GetCachedDataSize: Integer; virtual; // returns the amount of data needed per item
|
|
function GetCachedData(const AIndex: Integer): Pointer;
|
|
procedure SetExtendedSelect(Val: boolean); virtual;
|
|
procedure SetItemIndex(AIndex: integer); virtual;
|
|
procedure SetItems(Value: TStrings); virtual;
|
|
procedure SetItemHeight(Value: Integer);
|
|
procedure SetMultiSelect(Val: boolean); virtual;
|
|
procedure SetSelected(Index: integer; Val: boolean);
|
|
procedure SetSorted(Val: boolean); virtual;
|
|
procedure SetStyle(Val: TListBoxStyle); virtual;
|
|
procedure DrawItem(Index: Integer; ARect: TRect; State: TOwnerDrawState); virtual;
|
|
procedure DoSelectionChange(User: Boolean); virtual;
|
|
procedure SendItemIndex;
|
|
public
|
|
constructor Create(TheOwner: TComponent); override;
|
|
destructor Destroy; override;
|
|
procedure AddItem(const Item: String; AnObject: TObject);
|
|
procedure Click; override; // make it public
|
|
procedure Clear; virtual;
|
|
procedure ClearSelection;
|
|
function GetIndexAtXY(X, Y: integer): integer;
|
|
function GetIndexAtY(Y: integer): integer;
|
|
function GetSelectedText: string;
|
|
function ItemAtPos(const Pos: TPoint; Existing: Boolean): Integer;
|
|
function ItemRect(Index: Integer): TRect;
|
|
function ItemVisible(Index: Integer): boolean;
|
|
function ItemFullyVisible(Index: Integer): boolean;
|
|
procedure LockSelectionChange;
|
|
procedure MakeCurrentVisible;
|
|
procedure MeasureItem(Index: Integer; var TheHeight: Integer); virtual;
|
|
procedure SelectAll; virtual;
|
|
procedure UnlockSelectionChange;
|
|
public
|
|
property Align;
|
|
property Anchors;
|
|
property BorderStyle default bsSingle;
|
|
property Canvas: TCanvas read FCanvas;
|
|
property ClickOnSelChange: boolean read FClickOnSelChange
|
|
write FClickOnSelChange default true; // true is Delphi behaviour
|
|
property Columns: Integer read FColumns write SetColumns default 0;
|
|
property Constraints;
|
|
property Count: Integer read GetCount; // for Delphi compatability
|
|
property ExtendedSelect: boolean read FExtendedSelect write SetExtendedSelect default true;
|
|
property Font;
|
|
property IntegralHeight: boolean read FIntegralHeight write FIntegralHeight default False; // not implemented
|
|
property ItemHeight: Integer read GetItemHeight write SetItemHeight;
|
|
property ItemIndex: integer read GetItemIndex write SetItemIndex;
|
|
property Items: TStrings read FItems write SetItems;
|
|
property MultiSelect: boolean read FMultiSelect write SetMultiSelect default False;
|
|
property OnChangeBounds;
|
|
property OnClick;
|
|
property OnDblClick;
|
|
property OnDrawItem: TDrawItemEvent read FOnDrawItem write FOnDrawItem;
|
|
property OnEnter;
|
|
property OnExit;
|
|
property OnKeyDown;
|
|
property OnKeyPress;
|
|
property OnKeyUp;
|
|
property OnMeasureItem: TMeasureItemEvent read FOnMeasureItem write FOnMeasureItem;
|
|
property OnMouseDown;
|
|
property OnMouseMove;
|
|
property OnMouseUp;
|
|
property OnMouseEnter;
|
|
property OnMouseLeave;
|
|
property OnMouseWheel;
|
|
property OnMouseWheelDown;
|
|
property OnMouseWheelUp;
|
|
property OnResize;
|
|
property OnSelectionChange: TSelectionChangeEvent read FOnSelectionChange
|
|
write FOnSelectionChange;
|
|
property OnUTF8KeyPress;
|
|
property ParentColor default False;
|
|
property ParentFont;
|
|
property ParentShowHint;
|
|
property PopupMenu;
|
|
property ScrollWidth: Integer read GetScrollWidth write SetScrollWidth default 0;
|
|
property SelCount: integer read GetSelCount;
|
|
property Selected[Index: integer]: boolean read GetSelected write SetSelected;
|
|
property ShowHint;
|
|
property Sorted: boolean read FSorted write SetSorted default False;
|
|
property Style: TListBoxStyle read FStyle write SetStyle default lbStandard;
|
|
property TabOrder;
|
|
property TabStop default true;
|
|
property TopIndex: Integer read GetTopIndex write SetTopIndex default 0;
|
|
property Visible;
|
|
end;
|
|
|
|
|
|
{ TListBox }
|
|
|
|
TListBox = class(TCustomListBox)
|
|
published
|
|
property Align;
|
|
property Anchors;
|
|
property BidiMode;
|
|
property BorderSpacing;
|
|
property BorderStyle;
|
|
property ClickOnSelChange;
|
|
property Color;
|
|
property Columns;
|
|
property Constraints;
|
|
property DragCursor;
|
|
property DragKind;
|
|
property DragMode;
|
|
property ExtendedSelect;
|
|
property Enabled;
|
|
property Font;
|
|
property IntegralHeight;
|
|
property Items;
|
|
property ItemHeight;
|
|
property MultiSelect;
|
|
property OnChangeBounds;
|
|
property OnClick;
|
|
property OnContextPopup;
|
|
property OnDblClick;
|
|
property OnDragDrop;
|
|
property OnDragOver;
|
|
property OnDrawItem;
|
|
property OnEnter;
|
|
property OnEndDrag;
|
|
property OnExit;
|
|
property OnKeyPress;
|
|
property OnKeyDown;
|
|
property OnKeyUp;
|
|
property OnMeasureItem;
|
|
property OnMouseMove;
|
|
property OnMouseDown;
|
|
property OnMouseUp;
|
|
property OnMouseEnter;
|
|
property OnMouseLeave;
|
|
property OnMouseWheel;
|
|
property OnMouseWheelDown;
|
|
property OnMouseWheelUp;
|
|
property OnResize;
|
|
property OnSelectionChange;
|
|
property OnShowHint;
|
|
property OnStartDrag;
|
|
property OnUTF8KeyPress;
|
|
property ParentBidiMode;
|
|
property ParentColor;
|
|
property ParentShowHint;
|
|
property ParentFont;
|
|
property PopupMenu;
|
|
property ScrollWidth;
|
|
property ShowHint;
|
|
property Sorted;
|
|
property Style;
|
|
property TabOrder;
|
|
property TabStop;
|
|
property TopIndex;
|
|
property Visible;
|
|
end;
|
|
|
|
|
|
{ TCustomEdit }
|
|
|
|
TCustomEdit = class(TWinControl)
|
|
private
|
|
FAlignment: TAlignment;
|
|
FAutoSelect: Boolean;
|
|
FAutoSelected: Boolean;
|
|
FCharCase: TEditCharCase;
|
|
fCaretPos: TPoint;
|
|
FEchoMode: TEchoMode;
|
|
FHideSelection: Boolean;
|
|
FMaxLength: Integer;
|
|
FModified: Boolean;
|
|
FPasswordChar: Char;
|
|
FReadOnly: Boolean;
|
|
FOnChange: TNotifyEvent;
|
|
FSelLength: integer;
|
|
FSelStart: integer;
|
|
procedure SetAlignment(const AValue: TAlignment);
|
|
function GetCanUndo: Boolean;
|
|
function GetModified: Boolean;
|
|
procedure SetCharCase(Value: TEditCharCase);
|
|
procedure SetHideSelection(const AValue: Boolean);
|
|
procedure SetMaxLength(Value: Integer);
|
|
procedure SetModified(Value: Boolean);
|
|
procedure SetPasswordChar(const AValue: Char);
|
|
protected
|
|
class procedure WSRegisterClass; override;
|
|
procedure CalculatePreferredSize(var PreferredWidth, PreferredHeight: integer;
|
|
WithThemeSpace: Boolean); override;
|
|
procedure CreateWnd; override;
|
|
procedure CreateParams(var Params: TCreateParams); override;
|
|
procedure TextChanged; override;
|
|
procedure Change; virtual;
|
|
procedure DoEnter; override;
|
|
procedure DoExit; override;
|
|
function GetCaretPos: TPoint; virtual;
|
|
function GetReadOnly: Boolean; virtual;
|
|
function GetSelLength: integer; virtual;
|
|
function GetSelStart: integer; virtual;
|
|
function GetSelText: string; virtual;
|
|
procedure SetCaretPos(const Value: TPoint); virtual;
|
|
procedure SetEchoMode(Val: TEchoMode); virtual;
|
|
procedure SetReadOnly(Value: Boolean); virtual;
|
|
procedure SetSelLength(Val: integer); virtual;
|
|
procedure SetSelStart(Val: integer); virtual;
|
|
procedure SetSelText(const Val: string); virtual;
|
|
function ChildClassAllowed(ChildClass: TClass): boolean; override;
|
|
class function GetControlClassDefaultSize: TSize; override;
|
|
procedure KeyUpAfterInterface(var Key: Word; Shift: TShiftState); override;
|
|
procedure WMChar(var Message: TLMChar); message LM_CHAR;
|
|
procedure MouseUp(Button: TMouseButton; Shift:TShiftState; X, Y: Integer); override;
|
|
procedure RealSetText(const AValue: TCaption); override;
|
|
property AutoSelect: Boolean read FAutoSelect write FAutoSelect default True;
|
|
property AutoSelected: Boolean read FAutoSelected write FAutoSelected;
|
|
property ParentColor default False;
|
|
public
|
|
constructor Create(AOwner: TComponent); override;
|
|
procedure Clear;
|
|
procedure SelectAll;
|
|
procedure ClearSelection; virtual;
|
|
procedure CopyToClipboard; virtual;
|
|
procedure CutToClipboard; virtual;
|
|
procedure PasteFromClipboard; virtual;
|
|
procedure Undo; virtual;
|
|
public
|
|
property Alignment: TAlignment read FAlignment write SetAlignment default taLeftJustify;
|
|
property AutoSize default True;
|
|
property BorderStyle default bsSingle;
|
|
property CanUndo: Boolean read GetCanUndo;
|
|
property CaretPos: TPoint read GetCaretPos write SetCaretPos;
|
|
property CharCase: TEditCharCase read FCharCase write SetCharCase default ecNormal;
|
|
property EchoMode: TEchoMode read FEchoMode write SetEchoMode default emNormal;
|
|
property HideSelection: Boolean read FHideSelection write SetHideSelection default True;
|
|
property MaxLength: Integer read FMaxLength write SetMaxLength default 0;
|
|
property Modified: Boolean read GetModified write SetModified;
|
|
property OnChange: TNotifyEvent read FOnChange write FOnChange;
|
|
property PasswordChar: Char read FPasswordChar write SetPasswordChar default #0;
|
|
property PopupMenu;
|
|
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 TabOrder;
|
|
property TabStop default true;
|
|
property Text;
|
|
end;
|
|
|
|
|
|
{ TMemoScrollbar }
|
|
|
|
TMemoScrollbar = class(TControlScrollBar)
|
|
protected
|
|
function GetHorzScrollBar: TControlScrollBar; override;
|
|
function GetVertScrollBar: TControlScrollBar; override;
|
|
public
|
|
property Increment;
|
|
property Page;
|
|
property Smooth;
|
|
property Position;
|
|
property Range;
|
|
property Size;
|
|
property Visible;
|
|
end;
|
|
|
|
|
|
{ TCustomMemo }
|
|
|
|
TCustomMemo = class(TCustomEdit)
|
|
private
|
|
FHorzScrollBar: TMemoScrollBar;
|
|
FLines: TStrings;
|
|
FScrollBars: TScrollStyle;
|
|
FVertScrollBar: TMemoScrollBar;
|
|
FWantReturns: Boolean;
|
|
FWantTabs: boolean;
|
|
FWordWrap: Boolean;
|
|
procedure SetHorzScrollBar(const AValue: TMemoScrollBar);
|
|
procedure SetVertScrollBar(const AValue: TMemoScrollBar);
|
|
protected
|
|
class procedure WSRegisterClass; override;
|
|
procedure CreateParams(var Params: TCreateParams); override;
|
|
procedure InitializeWnd; override;
|
|
procedure FinalizeWnd; override;
|
|
function RealGetText: TCaption; override;
|
|
procedure RealSetText(const Value: TCaption); override;
|
|
function GetCachedText(var CachedText: TCaption): boolean; override;
|
|
function GetCaretPos: TPoint; override;
|
|
procedure SetCaretPos(const Value: TPoint); override;
|
|
procedure SetLines(const Value: TStrings);
|
|
procedure SetSelText(const Val: string); override;
|
|
procedure SetWantReturns(const AValue: Boolean);
|
|
procedure SetWantTabs(const NewWantTabs: boolean);
|
|
procedure SetWordWrap(const Value: boolean);
|
|
procedure SetScrollBars(const Value: TScrollStyle);
|
|
procedure Loaded; override;
|
|
procedure ControlKeyDown(var Key: Word; Shift: TShiftState); override;
|
|
procedure CNChar(var Message: TLMKeyUp); message CN_CHAR;
|
|
class function GetControlClassDefaultSize: TSize; override;
|
|
public
|
|
constructor Create(AOwner: TComponent); override;
|
|
destructor Destroy; override;
|
|
procedure Append(const Value: String);
|
|
public
|
|
property Lines: TStrings read FLines write SetLines;
|
|
property HorzScrollBar: TMemoScrollBar read FHorzScrollBar write SetHorzScrollBar;
|
|
property VertScrollBar: TMemoScrollBar read FVertScrollBar write SetVertScrollBar;
|
|
property ScrollBars: TScrollStyle read FScrollBars write SetScrollBars default ssNone;
|
|
property WantReturns: Boolean read FWantReturns write SetWantReturns default true;
|
|
property WantTabs: Boolean read FWantTabs write SetWantTabs default false;
|
|
property WordWrap: Boolean read FWordWrap write SetWordWrap default true;
|
|
end;
|
|
|
|
|
|
{ TEdit }
|
|
|
|
TEdit = class(TCustomEdit)
|
|
public
|
|
property AutoSelected;
|
|
published
|
|
property Action;
|
|
property Align;
|
|
property Alignment;
|
|
property Anchors;
|
|
property AutoSize;
|
|
property AutoSelect;
|
|
property BidiMode;
|
|
property BorderStyle;
|
|
property BorderSpacing;
|
|
property CharCase;
|
|
property Color;
|
|
property Constraints;
|
|
property DragCursor;
|
|
property DragKind;
|
|
property DragMode;
|
|
property EchoMode;
|
|
property Enabled;
|
|
property Font;
|
|
property HideSelection;
|
|
property MaxLength;
|
|
property ParentBidiMode;
|
|
property OnChange;
|
|
property OnChangeBounds;
|
|
property OnClick;
|
|
property OnContextPopup;
|
|
property OnDblClick;
|
|
property OnDragDrop;
|
|
property OnDragOver;
|
|
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 OnResize;
|
|
property OnStartDrag;
|
|
property OnUTF8KeyPress;
|
|
property ParentColor;
|
|
property ParentFont;
|
|
property ParentShowHint;
|
|
property PasswordChar;
|
|
property PopupMenu;
|
|
property ReadOnly;
|
|
property ShowHint;
|
|
property TabStop;
|
|
property TabOrder;
|
|
property Text;
|
|
property Visible;
|
|
end;
|
|
|
|
|
|
{ TMemo }
|
|
|
|
TMemo = class(TCustomMemo)
|
|
published
|
|
property Align;
|
|
property Alignment;
|
|
property Anchors;
|
|
property BidiMode;
|
|
property BorderSpacing;
|
|
property BorderStyle;
|
|
property CharCase;
|
|
property Color;
|
|
property Constraints;
|
|
property DragCursor;
|
|
property DragKind;
|
|
property DragMode;
|
|
property Enabled;
|
|
property Font;
|
|
property HideSelection;
|
|
property Lines;
|
|
property MaxLength;
|
|
property OnChange;
|
|
property OnClick;
|
|
property OnContextPopup;
|
|
property OnDblClick;
|
|
property OnDragDrop;
|
|
property OnDragOver;
|
|
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 OnMouseWheel;
|
|
property OnMouseWheelDown;
|
|
property OnMouseWheelUp;
|
|
property OnStartDrag;
|
|
property OnUTF8KeyPress;
|
|
property ParentBidiMode;
|
|
property ParentColor;
|
|
property ParentFont;
|
|
property PopupMenu;
|
|
property ParentShowHint;
|
|
property ReadOnly;
|
|
property ScrollBars;
|
|
property ShowHint;
|
|
property TabOrder;
|
|
property TabStop;
|
|
property Visible;
|
|
property WantReturns;
|
|
property WantTabs;
|
|
property WordWrap;
|
|
end;
|
|
|
|
|
|
{ TCustomStaticText }
|
|
|
|
TStaticBorderStyle = (sbsNone, sbsSingle, sbsSunken);
|
|
|
|
TCustomStaticText = class(TWinControl)
|
|
private
|
|
FAlignment: TAlignment;
|
|
FFocusControl: TWinControl;
|
|
FShowAccelChar: boolean;
|
|
FStaticBorderStyle: TStaticBorderStyle;
|
|
function GetTransparent: Boolean;
|
|
procedure SetAlignment(Value: TAlignment);
|
|
procedure SetStaticBorderStyle(Value: TStaticBorderStyle);
|
|
procedure SetTransparent(const AValue: Boolean);
|
|
procedure WMActivate(var Message: TLMActivate); message LM_ACTIVATE;
|
|
protected
|
|
class procedure WSRegisterClass; override;
|
|
function GetLabelText: String ; virtual;
|
|
procedure RealSetText(const AValue: TCaption); override;
|
|
procedure Notification(AComponent: TComponent; Operation: TOperation); override;
|
|
procedure SetFocusControl(Val: TWinControl); virtual;
|
|
procedure SetShowAccelChar(Val: boolean); virtual;
|
|
function DialogChar(var Message: TLMKey): boolean; override;
|
|
class function GetControlClassDefaultSize: TSize; override;
|
|
public
|
|
constructor Create(AOwner: TComponent); override;
|
|
property Alignment: TAlignment read FAlignment write SetAlignment default taLeftJustify;
|
|
property BorderStyle: TStaticBorderStyle read FStaticBorderStyle write SetStaticBorderStyle default sbsNone;
|
|
property FocusControl: TWinControl read FFocusControl write SetFocusControl;
|
|
property ShowAccelChar: boolean read FShowAccelChar write SetShowAccelChar default true;
|
|
property Transparent: Boolean read GetTransparent write SetTransparent default True;
|
|
end;
|
|
|
|
|
|
{ TStaticText }
|
|
|
|
TStaticText = class(TCustomStaticText)
|
|
published
|
|
property Align;
|
|
property Alignment;
|
|
property Anchors;
|
|
property AutoSize;
|
|
property BidiMode;
|
|
property BorderSpacing;
|
|
property BorderStyle;
|
|
property Caption;
|
|
property Color nodefault;
|
|
property Constraints;
|
|
property DragCursor;
|
|
property DragKind;
|
|
property DragMode;
|
|
property FocusControl;
|
|
property Font;
|
|
property OnChangeBounds;
|
|
property OnClick;
|
|
property OnContextPopup;
|
|
property OnDblClick;
|
|
property OnDragDrop;
|
|
property OnDragOver;
|
|
property OnEndDrag;
|
|
property OnMouseDown;
|
|
property OnMouseEnter;
|
|
property OnMouseLeave;
|
|
property OnMouseMove;
|
|
property OnMouseUp;
|
|
property OnResize;
|
|
property OnStartDrag;
|
|
property ParentBidiMode;
|
|
property ParentFont;
|
|
property ParentColor;
|
|
property ShowAccelChar;
|
|
property ShowHint;
|
|
property TabOrder;
|
|
property TabStop;
|
|
property Transparent;
|
|
property Visible;
|
|
end;
|
|
|
|
|
|
{ TButtonControl }
|
|
|
|
TButtonControl = class(TWinControl)
|
|
private
|
|
FOnChange: TNotifyEvent;
|
|
FClicksDisabled: Boolean;
|
|
function IsCheckedStored: boolean;
|
|
procedure WMDefaultClicked(var Message: TLMessage); message LM_CLICKED;
|
|
protected
|
|
class procedure WSRegisterClass; override;
|
|
function GetChecked: Boolean; virtual;
|
|
procedure SetChecked(Value: Boolean); virtual;
|
|
procedure DoOnChange; virtual;
|
|
procedure Click; override;
|
|
procedure CMWantSpecialKey(var Message: TLMessage); message CM_WANTSPECIALKEY;
|
|
protected
|
|
property Checked: Boolean read GetChecked write SetChecked stored IsCheckedStored default False;
|
|
property ClicksDisabled: Boolean read FClicksDisabled write FClicksDisabled;
|
|
property OnChange: TNotifyEvent read FOnChange write FOnChange;
|
|
public
|
|
constructor Create(TheOwner: TComponent); override;
|
|
end;
|
|
|
|
{ TButtonActionLink - Finish me }
|
|
|
|
TButtonActionLink = class(TWinControlActionLink)
|
|
protected
|
|
FClientButton: TButtonControl;
|
|
procedure AssignClient(AClient: TObject); override;
|
|
procedure SetChecked(Value: Boolean); override;
|
|
public
|
|
function IsCheckedLinked: Boolean; override;
|
|
end;
|
|
|
|
TButtonActionLinkClass = class of TButtonActionLink;
|
|
|
|
|
|
{ TCustomButton }
|
|
|
|
TCustomButton = class(TButtonControl)
|
|
private
|
|
FModalResult: TModalResult;
|
|
FShortCut: TShortcut;
|
|
FShortCutKey2: TShortcut;
|
|
FCancel: Boolean;
|
|
FDefault: Boolean;
|
|
FActive: boolean;
|
|
procedure SetCancel(NewCancel: boolean);
|
|
procedure SetDefault(Value: Boolean);
|
|
procedure SetModalResult(const AValue: TModalResult);
|
|
procedure CMUIActivate(var Message: TLMessage); message CM_UIACTIVATE;
|
|
procedure WMSetFocus(var Message: TLMSetFocus); message LM_SETFOCUS;
|
|
procedure WMKillFocus(var Message: TLMKillFocus); message LM_KILLFOCUS;
|
|
procedure UpdateFocus(AFocused: Boolean);
|
|
protected
|
|
class procedure WSRegisterClass; override;
|
|
procedure Click; override;
|
|
procedure CreateWnd; override;
|
|
procedure CreateParams(var Params: TCreateParams); override;
|
|
procedure ControlKeyDown(var Key: Word; Shift: TShiftState); override;
|
|
procedure ControlKeyUp(var Key: Word; Shift: TShiftState); override;
|
|
function DialogChar(var Message: TLMKey): boolean; override;
|
|
function ChildClassAllowed(ChildClass: TClass): boolean; override;
|
|
class function GetControlClassDefaultSize: TSize; override;
|
|
property ParentColor default false;
|
|
procedure WSSetDefault;
|
|
procedure WSSetText(const AText: String); override;
|
|
procedure TextChanged; override;
|
|
procedure Loaded; override;
|
|
procedure UpdateDefaultCancel;
|
|
public
|
|
constructor Create(TheOwner: TComponent); override;
|
|
procedure ExecuteDefaultAction; override;
|
|
procedure ExecuteCancelAction; override;
|
|
procedure ActiveDefaultControlChanged(NewControl: TControl); override;
|
|
procedure UpdateRolesForForm; override;
|
|
function UseRightToLeftAlignment: Boolean; override;
|
|
public
|
|
property Active: boolean read FActive stored false;
|
|
property Default: Boolean read FDefault write SetDefault default false;
|
|
property ModalResult: TModalResult read FModalResult write SetModalResult default mrNone;
|
|
property ShortCut: TShortcut read FShortCut;
|
|
property ShortCutKey2: TShortcut read FShortCutKey2;
|
|
property Cancel: Boolean read FCancel write SetCancel default false;
|
|
property Color default {$ifdef UseCLDefault}clDefault{$else}clBtnFace{$endif};
|
|
property TabStop default true;
|
|
end;
|
|
|
|
|
|
{ TButton }
|
|
|
|
TButton = class(TCustomButton)
|
|
public
|
|
procedure Click; override;
|
|
published
|
|
property Action;
|
|
property Align;
|
|
property Anchors;
|
|
property AutoSize;
|
|
property BidiMode;
|
|
property BorderSpacing;
|
|
property Cancel;
|
|
property Caption;
|
|
property Color;
|
|
property Constraints;
|
|
property Default;
|
|
property DragCursor;
|
|
property DragKind;
|
|
property DragMode;
|
|
property Enabled;
|
|
property Font;
|
|
property ParentBidiMode;
|
|
property ModalResult;
|
|
property OnChangeBounds;
|
|
property OnClick;
|
|
property OnContextPopup;
|
|
property OnDragDrop;
|
|
property OnDragOver;
|
|
property OnEndDrag;
|
|
property OnEnter;
|
|
property OnExit;
|
|
property OnKeyDown;
|
|
property OnKeyPress;
|
|
property OnKeyUp;
|
|
property OnMouseDown;
|
|
property OnMouseEnter;
|
|
property OnMouseLeave;
|
|
property OnMouseMove;
|
|
property OnMouseUp;
|
|
property OnResize;
|
|
property OnStartDrag;
|
|
property OnUTF8KeyPress;
|
|
property ParentFont;
|
|
property ParentShowHint;
|
|
property PopupMenu;
|
|
property ShowHint;
|
|
property TabOrder;
|
|
property TabStop;
|
|
property Visible;
|
|
end;
|
|
|
|
{ TCustomCheckBox }
|
|
|
|
TCheckBoxState = (cbUnchecked, cbChecked, cbGrayed);
|
|
|
|
{ TCustomCheckBox }
|
|
|
|
TCustomCheckBox = class(TButtonControl)
|
|
private
|
|
FAllowGrayed: Boolean;
|
|
FState: TCheckBoxState;
|
|
FShortCut: TShortcut;
|
|
FShortCutKey2: TShortcut;
|
|
procedure SetState(Value: TCheckBoxState);
|
|
function GetState: TCheckBoxState;
|
|
procedure DoChange(var Msg); message LM_CHANGED;
|
|
protected
|
|
class procedure WSRegisterClass; override;
|
|
procedure Click; override;
|
|
procedure DoClickOnChange; virtual;
|
|
function RetrieveState: TCheckBoxState;
|
|
procedure InitializeWnd; override;
|
|
procedure Toggle; virtual;
|
|
function DialogChar(var Message: TLMKey): boolean; override;
|
|
function GetChecked: Boolean; override;
|
|
procedure SetChecked(Value: Boolean); override;
|
|
procedure RealSetText(const Value: TCaption); override;
|
|
procedure ApplyChanges; virtual;
|
|
class function GetControlClassDefaultSize: TSize; override;
|
|
procedure Loaded; override;
|
|
procedure WSSetText(const AText: String); override;
|
|
procedure TextChanged; override;
|
|
procedure CreateParams(var Params: TCreateParams); override;
|
|
public
|
|
constructor Create(TheOwner: TComponent); override;
|
|
public
|
|
property AllowGrayed: Boolean read FAllowGrayed write FAllowGrayed default false;
|
|
property State: TCheckBoxState read GetState write SetState default cbUnchecked;
|
|
property ShortCut: TShortcut read FShortCut;
|
|
property ShortCutKey2: TShortcut read FShortCutKey2;
|
|
property OnChange;
|
|
end;
|
|
|
|
// Normal checkbox
|
|
|
|
{ TCheckBox }
|
|
|
|
TCheckBox = class(TCustomCheckBox)
|
|
public
|
|
constructor Create(TheOwner: TComponent); override;
|
|
published
|
|
property Action;
|
|
property Align;
|
|
property AllowGrayed;
|
|
property Anchors;
|
|
property AutoSize default True;
|
|
property BidiMode;
|
|
property BorderSpacing;
|
|
property Caption;
|
|
property Checked;
|
|
property Color nodefault;
|
|
property Constraints;
|
|
property DragCursor;
|
|
property DragKind;
|
|
property DragMode;
|
|
property Enabled;
|
|
property Font;
|
|
property Hint;
|
|
property OnChange;
|
|
property OnChangeBounds;
|
|
property OnClick;
|
|
property OnContextPopup;
|
|
property OnDragDrop;
|
|
property OnDragOver;
|
|
property OnEditingDone;
|
|
property OnEndDrag;
|
|
property OnEnter;
|
|
property OnExit;
|
|
property OnKeyPress;
|
|
property OnKeyDown;
|
|
property OnKeyUp;
|
|
property OnMouseDown;
|
|
property OnMouseEnter;
|
|
property OnMouseLeave;
|
|
property OnMouseMove;
|
|
property OnMouseUp;
|
|
property OnResize;
|
|
property OnStartDrag;
|
|
property OnUTF8KeyPress;
|
|
property ParentColor;
|
|
property ParentFont;
|
|
property ParentShowHint;
|
|
property ParentBidiMode;
|
|
property PopupMenu;
|
|
property ShowHint;
|
|
property State;
|
|
property TabOrder;
|
|
property TabStop default True;
|
|
property Visible;
|
|
end;
|
|
|
|
{ TToggleBox }
|
|
|
|
TToggleBox = class(TCustomCheckBox)
|
|
protected
|
|
class procedure WSRegisterClass; override;
|
|
procedure CreateParams(var Params: TCreateParams); override;
|
|
public
|
|
constructor Create(TheOwner: TComponent); override;
|
|
published
|
|
property AllowGrayed;
|
|
property Anchors;
|
|
property AutoSize;
|
|
property BidiMode;
|
|
property BorderSpacing;
|
|
property Caption;
|
|
property Checked;
|
|
property Color;
|
|
property Constraints;
|
|
property DragCursor;
|
|
property DragKind;
|
|
property DragMode;
|
|
property Enabled;
|
|
property Font;
|
|
property Hint;
|
|
property OnChange;
|
|
property OnClick;
|
|
property OnDragDrop;
|
|
property OnDragOver;
|
|
property OnEndDrag;
|
|
property OnEnter;
|
|
property OnExit;
|
|
property OnMouseDown;
|
|
property OnMouseEnter;
|
|
property OnMouseLeave;
|
|
property OnMouseMove;
|
|
property OnMouseUp;
|
|
property OnStartDrag;
|
|
property ParentBidiMode;
|
|
property ParentFont;
|
|
property ParentShowHint;
|
|
property PopupMenu;
|
|
property ShowHint;
|
|
property State;
|
|
property TabOrder;
|
|
property TabStop default True;
|
|
property Visible;
|
|
end;
|
|
|
|
|
|
{ TRadioButton }
|
|
|
|
TRadioButton = class(TCustomCheckBox)
|
|
protected
|
|
class procedure WSRegisterClass; override;
|
|
procedure ApplyChanges; override;
|
|
function DialogChar(var Message: TLMKey): boolean; override;
|
|
procedure RealSetText(const Value: TCaption); override;
|
|
procedure DoClickOnChange; override;
|
|
procedure CreateParams(var Params: TCreateParams); override;
|
|
public
|
|
constructor Create(TheOwner: TComponent); override;
|
|
published
|
|
property Align;
|
|
property Anchors;
|
|
property AutoSize default True;
|
|
property BidiMode;
|
|
property BorderSpacing;
|
|
property Caption;
|
|
property Checked;
|
|
property Color;
|
|
property Constraints;
|
|
property DragCursor;
|
|
property DragKind;
|
|
property DragMode;
|
|
property Enabled;
|
|
property Font;
|
|
property Hint;
|
|
property OnChange;
|
|
property OnChangeBounds;
|
|
property OnClick;
|
|
property OnContextPopup;
|
|
property OnDragDrop;
|
|
property OnDragOver;
|
|
property OnEndDrag;
|
|
property OnEnter;
|
|
property OnExit;
|
|
property OnKeyDown;
|
|
property OnKeyPress;
|
|
property OnKeyUp;
|
|
property OnMouseDown;
|
|
property OnMouseEnter;
|
|
property OnMouseLeave;
|
|
property OnMouseMove;
|
|
property OnMouseUp;
|
|
property OnResize;
|
|
property OnStartDrag;
|
|
property ParentBidiMode;
|
|
property ParentColor;
|
|
property ParentFont;
|
|
property ParentShowHint;
|
|
property PopupMenu;
|
|
property ShowHint;
|
|
property TabOrder;
|
|
property TabStop default False;
|
|
property Visible;
|
|
end;
|
|
|
|
|
|
{ TCustomLabel }
|
|
|
|
TCustomLabel = class(TGraphicControl)
|
|
private
|
|
FAlignment: TAlignment;
|
|
FFocusControl: TWinControl;
|
|
FOptimalFill: Boolean;
|
|
FShowAccelChar: Boolean;
|
|
FWordWrap: Boolean;
|
|
FLayout: TTextLayout;
|
|
FInternalSetBounds: Boolean;
|
|
procedure SetAlignment(Value: TAlignment);
|
|
procedure SetOptimalFill(const AValue: Boolean);
|
|
protected
|
|
class procedure WSRegisterClass; override;
|
|
function CanTab: boolean; override;
|
|
procedure DoMeasureTextPosition(var TextTop: integer;
|
|
var TextLeft: integer); virtual;
|
|
function HasMultiLine : boolean;
|
|
procedure CalculatePreferredSize(
|
|
var PreferredWidth, PreferredHeight: integer;
|
|
WithThemeSpace: Boolean); override;
|
|
procedure CalculateSize(MaxWidth: integer;
|
|
var NeededWidth, NeededHeight: integer);
|
|
procedure DoAutoSize; override;
|
|
function DialogChar(var Message: TLMKey): boolean; override;
|
|
procedure TextChanged; override;
|
|
procedure DoSetBounds(ALeft, ATop, AWidth, AHeight: integer); override;
|
|
procedure FontChanged(Sender: TObject); override;
|
|
class function GetControlClassDefaultSize: TSize; override;
|
|
|
|
procedure WMActivate(var Message: TLMActivate); message LM_ACTIVATE;
|
|
procedure Notification(AComponent: TComponent; Operation: TOperation); override;
|
|
|
|
function GetLabelText: string; virtual;
|
|
function GetTransparent: boolean;
|
|
procedure SetColor(NewColor: TColor); override;
|
|
procedure SetFocusControl(Value: TWinControl);
|
|
procedure SetLayout(Value: TTextLayout);
|
|
procedure SetShowAccelChar(Value: Boolean);
|
|
procedure SetTransparent(NewTransparent: boolean);
|
|
procedure SetWordWrap(Value: Boolean);
|
|
procedure Loaded; override;
|
|
procedure UpdateSize;
|
|
|
|
property Alignment: TAlignment read FAlignment write SetAlignment default taLeftJustify;
|
|
property FocusControl: TWinControl read FFocusControl write SetFocusControl;
|
|
property Layout: TTextLayout read FLayout write SetLayout default tlTop;
|
|
property ShowAccelChar: Boolean read FShowAccelChar write SetShowAccelChar default true;
|
|
property Transparent: boolean read GetTransparent write SetTransparent default true;
|
|
property WordWrap: Boolean read FWordWrap write SetWordWrap default false;
|
|
property OptimalFill: Boolean read FOptimalFill write SetOptimalFill default false;
|
|
public
|
|
constructor Create(TheOwner: TComponent); override;
|
|
function CalcFittingFontHeight(const TheText: string;
|
|
MaxWidth, MaxHeight: Integer; var FontHeight,
|
|
NeededWidth, NeededHeight: integer): Boolean;
|
|
function ColorIsStored: boolean; override;
|
|
function AdjustFontForOptimalFill: Boolean;
|
|
procedure Paint; override;
|
|
procedure SetBounds(aLeft, aTop, aWidth, aHeight: integer); override;
|
|
property AutoSize default True;
|
|
property Color default clNone;
|
|
end;
|
|
|
|
|
|
{ TLabel }
|
|
|
|
TLabel = class(TCustomLabel)
|
|
published
|
|
property Align;
|
|
property Alignment;
|
|
property Anchors;
|
|
property AutoSize;
|
|
property BidiMode;
|
|
property BorderSpacing;
|
|
property Caption;
|
|
property Color;
|
|
property Constraints;
|
|
property DragCursor;
|
|
property DragKind;
|
|
property DragMode;
|
|
property Enabled;
|
|
property FocusControl;
|
|
property Font;
|
|
property Layout;
|
|
property ParentBidiMode;
|
|
property ParentColor;
|
|
property ParentFont;
|
|
property ParentShowHint;
|
|
property PopupMenu;
|
|
property ShowAccelChar;
|
|
property ShowHint;
|
|
property Transparent;
|
|
property Visible;
|
|
property WordWrap;
|
|
property OnClick;
|
|
property OnDblClick;
|
|
property OnDragDrop;
|
|
property OnDragOver;
|
|
property OnEndDrag;
|
|
property OnMouseDown;
|
|
property OnMouseMove;
|
|
property OnMouseUp;
|
|
property OnMouseEnter;
|
|
property OnMouseLeave;
|
|
property OnChangeBounds;
|
|
property OnContextPopup;
|
|
property OnResize;
|
|
property OnStartDrag;
|
|
property OptimalFill;
|
|
end;
|
|
|
|
procedure Register;
|
|
|
|
implementation
|
|
|
|
uses
|
|
WSControls, WSStdCtrls, interfacebase; // Widgetset uses circle is allowed
|
|
|
|
|
|
type
|
|
TMemoStrings = class(TStrings)
|
|
private
|
|
FMemo: TCustomMemo;
|
|
FMemoWidgetClass: TWSCustomMemoClass;
|
|
protected
|
|
function Get(Index: Integer): String; override;
|
|
function GetCount: Integer; override;
|
|
public
|
|
constructor Create(AMemo: TCustomMemo);
|
|
procedure Clear; override;
|
|
procedure Delete(index: Integer); override;
|
|
procedure Insert(index: Integer; const S: String); override;
|
|
|
|
property MemoWidgetClass: TWSCustomMemoClass read FMemoWidgetClass write FMemoWidgetClass;
|
|
end;
|
|
|
|
procedure Register;
|
|
begin
|
|
RegisterComponents('Standard',[TButton, TLabel,TEdit,TMemo,TToggleBox,TCheckBox,
|
|
TRadioButton,TListBox,TComboBox,TScrollBar,TGroupBox]);
|
|
RegisterComponents('Additional',[TStaticText]);
|
|
end;
|
|
|
|
procedure InternalDrawItem(Control:TControl; Canvas: TCanvas; ARect:TRect; const Text: string);
|
|
var
|
|
OldBrushStyle: TBrushStyle;
|
|
OldTextStyle: TTextStyle;
|
|
NewTextStyle: TTextStyle;
|
|
begin
|
|
OldBrushStyle := Canvas.Brush.Style;
|
|
Canvas.Brush.Style := bsClear;
|
|
|
|
OldTextStyle := Canvas.TextStyle;
|
|
NewTextStyle := OldTextStyle;
|
|
NewTextStyle.Layout := tlCenter;
|
|
NewTextStyle.RightToLeft := Control.UseRightToLeftReading;
|
|
if Control.UseRightToLeftAlignment then
|
|
begin
|
|
NewTextStyle.Alignment := taRightJustify;
|
|
ARect.Right := ARect.Right - 2;
|
|
end
|
|
else
|
|
begin
|
|
NewTextStyle.Alignment := taLeftJustify;
|
|
ARect.Left := ARect.Left + 2;
|
|
end;
|
|
|
|
Canvas.TextStyle := NewTextStyle;
|
|
|
|
Canvas.TextRect(ARect, ARect.Left, ARect.Top, Text);
|
|
Canvas.Brush.Style := OldBrushStyle;
|
|
Canvas.TextStyle := OldTextStyle;
|
|
end;
|
|
|
|
{$I customgroupbox.inc}
|
|
{$I customcombobox.inc}
|
|
{$I customlistbox.inc}
|
|
{$I custommemo.inc}
|
|
{$I customedit.inc}
|
|
{$I customlabel.inc}
|
|
{$I customcheckbox.inc}
|
|
|
|
{$I scrollbar.inc}
|
|
{$I memoscrollbar.inc}
|
|
{$I memo.inc}
|
|
{$I memostrings.inc}
|
|
|
|
{$I edit.inc}
|
|
|
|
{$I buttoncontrol.inc}
|
|
{$I buttons.inc}
|
|
|
|
{$I checkbox.inc}
|
|
{$I radiobutton.inc}
|
|
{$I togglebox.inc}
|
|
|
|
{$I customstatictext.inc}
|
|
|
|
end.
|
|
|