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|
{*****************************************************************************}
{ }
{ Tnt Delphi Unicode Controls }
{ http://www.tntware.com/delphicontrols/unicode/ }
{ Version: 2.3.0 }
{ }
{ Copyright (c) 2002-2007, Troy Wolbrink (troy.wolbrink@tntware.com) }
{ }
{*****************************************************************************}
unit TntComCtrls;
{$INCLUDE TntCompilers.inc}
interface
{ TODO: TTntCustomListView events - reintroduce ones that refer to ansi classes (ie. TListItem) }
{ TODO: Handle RichEdit CRLF emulation at the WndProc level. }
{ TODO: TTntCustomTreeView events - reintroduce ones that refer to ansi classes (ie. TTreeNode) }
{ TODO: THotKey, Tanimate, TCoolBar (TCoolBand) }
{ TODO: TToolBar: Unicode-enable TBN_GETBUTTONINFO/DoGetButton }
{ TODO: TToolBar: Unicode-enable handling of CN_DIALOGCHAR, WM_SYSCOMMAND, FindButtonFromAccel }
uses
Classes, Controls, ListActns, Menus, ComCtrls, Messages,
Windows, CommCtrl, Contnrs, TntControls, TntClasses, Graphics, TntSysUtils;
type
TTntCustomListView = class;
TTntListItems = class;
{TNT-WARN TListColumn}
TTntListColumn = class(TListColumn{TNT-ALLOW TListColumn})
private
FCaption: WideString;
procedure SetInheritedCaption(const Value: AnsiString);
function GetCaption: WideString;
procedure SetCaption(const Value: WideString);
protected
procedure DefineProperties(Filer: TFiler); override;
public
procedure Assign(Source: TPersistent); override;
published
property Caption: WideString read GetCaption write SetCaption;
end;
{TNT-WARN TListColumns}
TTntListColumns = class(TListColumns{TNT-ALLOW TListColumns})
private
function GetItem(Index: Integer): TTntListColumn;
procedure SetItem(Index: Integer; Value: TTntListColumn);
public
constructor Create(AOwner: TTntCustomListView);
function Add: TTntListColumn;
function Owner: TTntCustomListView;
property Items[Index: Integer]: TTntListColumn read GetItem write SetItem; default;
end;
{TNT-WARN TListItem}
TTntListItem = class(TListItem{TNT-ALLOW TListItem})
private
FCaption: WideString;
FSubItems: TTntStrings;
procedure SetInheritedCaption(const Value: AnsiString);
function GetCaption: WideString;
procedure SetCaption(const Value: WideString);
procedure SetSubItems(const Value: TTntStrings);
function GetListView: TTntCustomListView;
function GetTntOwner: TTntListItems;
public
constructor Create(AOwner: TListItems{TNT-ALLOW TListItems}); virtual;
destructor Destroy; override;
property Owner: TTntListItems read GetTntOwner;
property ListView: TTntCustomListView read GetListView;
procedure Assign(Source: TPersistent); override;
property Caption: WideString read GetCaption write SetCaption;
property SubItems: TTntStrings read FSubItems write SetSubItems;
end;
TTntListItemsEnumerator = class
private
FIndex: Integer;
FListItems: TTntListItems;
public
constructor Create(AListItems: TTntListItems);
function GetCurrent: TTntListItem;
function MoveNext: Boolean;
property Current: TTntListItem read GetCurrent;
end;
{TNT-WARN TListItems}
TTntListItems = class(TListItems{TNT-ALLOW TListItems})
private
function GetItem(Index: Integer): TTntListItem;
procedure SetItem(Index: Integer; const Value: TTntListItem);
public
function Owner: TTntCustomListView;
property Item[Index: Integer]: TTntListItem read GetItem write SetItem; default;
function Add: TTntListItem;
function AddItem(Item: TTntListItem; Index: Integer = -1): TTntListItem;
function GetEnumerator: TTntListItemsEnumerator;
function Insert(Index: Integer): TTntListItem;
end;
TTntLVEditedEvent = procedure(Sender: TObject; Item: TTntListItem; var S: WideString) of object;
TTntLVOwnerDataFindEvent = procedure(Sender: TObject; Find: TItemFind;
const FindString: WideString; const FindPosition: TPoint; FindData: Pointer;
StartIndex: Integer; Direction: TSearchDirection; Wrap: Boolean;
var Index: Integer) of object;
{TNT-WARN TCustomListView}
_TntInternalCustomListView = class(TCustomListView{TNT-ALLOW TCustomListView})
private
PWideFindString: PWideChar;
CurrentDispInfo: PLVDispInfoW;
OriginalDispInfoMask: Cardinal;
function OwnerDataFindW(Find: TItemFind; const FindString: WideString;
const FindPosition: TPoint; FindData: Pointer; StartIndex: Integer;
Direction: TSearchDirection; Wrap: Boolean): Integer; virtual; abstract;
function OwnerDataFetchW(Item: TListItem{TNT-ALLOW TListItem}; Request: TItemRequest): Boolean; virtual; abstract;
protected
function OwnerDataFind(Find: TItemFind; const FindString: AnsiString;
const FindPosition: TPoint; FindData: Pointer; StartIndex: Integer;
Direction: TSearchDirection; Wrap: Boolean): Integer; override;
function OwnerDataFetch(Item: TListItem{TNT-ALLOW TListItem}; Request: TItemRequest): Boolean; override;
end;
TTntCustomListView = class(_TntInternalCustomListView, IWideCustomListControl)
private
FEditHandle: THandle;
FEditInstance: Pointer;
FDefEditProc: Pointer;
FOnEdited: TTntLVEditedEvent;
FOnDataFind: TTntLVOwnerDataFindEvent;
procedure EditWndProcW(var Message: TMessage);
procedure BeginChangingWideItem;
procedure EndChangingWideItem;
function GetHint: WideString;
procedure SetHint(const Value: WideString);
function IsHintStored: Boolean;
function GetListColumns: TTntListColumns;
procedure SetListColumns(const Value: TTntListColumns);
function ColumnFromIndex(Index: Integer): TTntListColumn;
function GetColumnFromTag(Tag: Integer): TTntListColumn;
function OwnerDataFindW(Find: TItemFind; const FindString: WideString;
const FindPosition: TPoint; FindData: Pointer; StartIndex: Integer;
Direction: TSearchDirection; Wrap: Boolean): Integer; override;
function OwnerDataFetchW(Item: TListItem{TNT-ALLOW TListItem}; Request: TItemRequest): Boolean; override;
function GetDropTarget: TTntListItem;
procedure SetDropTarget(const Value: TTntListItem);
function GetItemFocused: TTntListItem;
procedure SetItemFocused(const Value: TTntListItem);
function GetSelected: TTntListItem;
procedure SetSelected(const Value: TTntListItem);
function GetTopItem: TTntListItem;
private
FSavedItems: TObjectList;
FTestingForSortProc: Boolean;
FChangingWideItemCount: Integer;
FTempItem: TTntListItem;
function AreItemsStored: Boolean;
function GetItems: TTntListItems;
procedure SetItems(Value: TTntListItems);
procedure CNNotify(var Message: TWMNotify); message CN_NOTIFY;
function GetItemW(Value: TLVItemW): TTntListItem;
procedure WMNotify(var Message: TWMNotify); message WM_NOTIFY;
protected
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure DefineProperties(Filer: TFiler); override;
function GetActionLinkClass: TControlActionLinkClass; override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
procedure CreateWnd; override;
procedure DestroyWnd; override;
procedure WndProc(var Message: TMessage); override;
function OwnerDataFetch(Item: TListItem{TNT-ALLOW TListItem}; Request: TItemRequest): Boolean; reintroduce; virtual;
function CreateListItem: TListItem{TNT-ALLOW TListItem}; override;
function CreateListItems: TListItems{TNT-ALLOW TListItems}; override;
property Items: TTntListItems read GetItems write SetItems stored AreItemsStored;
procedure Edit(const Item: TLVItem); override;
function OwnerDataFind(Find: TItemFind; const FindString: WideString;
const FindPosition: TPoint; FindData: Pointer; StartIndex: Integer;
Direction: TSearchDirection; Wrap: Boolean): Integer; reintroduce; virtual;
property Columns: TTntListColumns read GetListColumns write SetListColumns;
procedure DrawItem(Item: TListItem{TNT-ALLOW TListItem}; Rect: TRect; State: TOwnerDrawState); override;
property OnEdited: TTntLVEditedEvent read FOnEdited write FOnEdited;
property OnDataFind: TTntLVOwnerDataFindEvent read FOnDataFind write FOnDataFind;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
property Column[Index: Integer]: TTntListColumn read ColumnFromIndex;
procedure CopySelection(Destination: TCustomListControl); override;
procedure AddItem(const Item: WideString; AObject: TObject); reintroduce; virtual;
function FindCaption(StartIndex: Integer; Value: WideString; Partial,
Inclusive, Wrap: Boolean): TTntListItem;
function GetSearchString: WideString;
function StringWidth(S: WideString): Integer;
public
property DropTarget: TTntListItem read GetDropTarget write SetDropTarget;
property ItemFocused: TTntListItem read GetItemFocused write SetItemFocused;
property Selected: TTntListItem read GetSelected write SetSelected;
property TopItem: TTntListItem read GetTopItem;
published
property Hint: WideString read GetHint write SetHint stored IsHintStored;
end;
{TNT-WARN TListView}
TTntListView = class(TTntCustomListView)
published
property Action;
property Align;
property AllocBy;
property Anchors;
property BevelEdges;
property BevelInner;
property BevelOuter;
property BevelKind default bkNone;
property BevelWidth;
property BiDiMode;
property BorderStyle;
property BorderWidth;
property Checkboxes;
property Color;
property Columns;
property ColumnClick;
property Constraints;
property Ctl3D;
property DragCursor;
property DragKind;
property DragMode;
property Enabled;
property Font;
property FlatScrollBars;
property FullDrag;
property GridLines;
property HideSelection;
property HotTrack;
property HotTrackStyles;
property HoverTime;
property IconOptions;
property Items;
property LargeImages;
property MultiSelect;
property OwnerData;
property OwnerDraw;
property ReadOnly default False;
property RowSelect;
property ParentBiDiMode;
property ParentColor default False;
property ParentFont;
property ParentShowHint;
property PopupMenu;
property ShowColumnHeaders;
property ShowWorkAreas;
property ShowHint;
property SmallImages;
property SortType;
property StateImages;
property TabOrder;
property TabStop default True;
property ViewStyle;
property Visible;
property OnAdvancedCustomDraw;
property OnAdvancedCustomDrawItem;
property OnAdvancedCustomDrawSubItem;
property OnChange;
property OnChanging;
property OnClick;
property OnColumnClick;
property OnColumnDragged;
property OnColumnRightClick;
property OnCompare;
property OnContextPopup;
property OnCustomDraw;
property OnCustomDrawItem;
property OnCustomDrawSubItem;
property OnData;
property OnDataFind;
property OnDataHint;
property OnDataStateChange;
property OnDblClick;
property OnDeletion;
property OnDrawItem;
property OnEdited;
property OnEditing;
property OnEndDock;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnGetImageIndex;
property OnGetSubItemImage;
property OnDragDrop;
property OnDragOver;
property OnInfoTip;
property OnInsert;
property OnKeyDown;
property OnKeyPress;
property OnKeyUp;
{$IFDEF COMPILER_9_UP}
property OnMouseActivate;
{$ENDIF}
property OnMouseDown;
{$IFDEF COMPILER_10_UP}
property OnMouseEnter;
property OnMouseLeave;
{$ENDIF}
property OnMouseMove;
property OnMouseUp;
property OnResize;
property OnSelectItem;
property OnStartDock;
property OnStartDrag;
end;
type
{TNT-WARN TToolButton}
TTntToolButton = class(TToolButton{TNT-ALLOW TToolButton})
private
procedure CMVisibleChanged(var Message: TMessage); message CM_VISIBLECHANGED;
function GetCaption: TWideCaption;
procedure SetCaption(const Value: TWideCaption);
function IsCaptionStored: Boolean;
function GetHint: WideString;
procedure SetHint(const Value: WideString);
function IsHintStored: Boolean;
procedure CMHintShow(var Message: TMessage); message CM_HINTSHOW;
function GetMenuItem: TMenuItem{TNT-ALLOW TMenuItem};
procedure SetMenuItem(const Value: TMenuItem{TNT-ALLOW TMenuItem});
protected
procedure DefineProperties(Filer: TFiler); override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
function GetActionLinkClass: TControlActionLinkClass; override;
published
property Caption: TWideCaption read GetCaption write SetCaption stored IsCaptionStored;
property Hint: WideString read GetHint write SetHint stored IsHintStored;
property MenuItem: TMenuItem{TNT-ALLOW TMenuItem} read GetMenuItem write SetMenuItem;
end;
type
{TNT-WARN TToolBar}
TTntToolBar = class(TToolBar{TNT-ALLOW TToolBar})
private
FCaption: WideString;
procedure TBInsertButtonA(var Message: TMessage); message TB_INSERTBUTTONA;
procedure WMGetText(var Message: TWMGetText); message WM_GETTEXT;
procedure WMGetTextLength(var Message: TWMGetTextLength); message WM_GETTEXTLENGTH;
procedure WMSetText(var Message: TWMSetText); message WM_SETTEXT;
function GetMenu: TMainMenu{TNT-ALLOW TMainMenu};
procedure SetMenu(const Value: TMainMenu{TNT-ALLOW TMainMenu});
private
function GetCaption: WideString;
function GetHint: WideString;
function IsCaptionStored: Boolean;
function IsHintStored: Boolean;
procedure SetCaption(const Value: WideString);
procedure SetHint(const Value: WideString);
protected
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure DefineProperties(Filer: TFiler); override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
function GetActionLinkClass: TControlActionLinkClass; override;
published
property Caption: WideString read GetCaption write SetCaption stored IsCaptionStored;
property Hint: WideString read GetHint write SetHint stored IsHintStored;
property Menu: TMainMenu{TNT-ALLOW TMainMenu} read GetMenu write SetMenu;
end;
type
{TNT-WARN TCustomRichEdit}
TTntCustomRichEdit = class(TCustomRichEdit{TNT-ALLOW TCustomRichEdit})
private
FRichEditStrings: TTntStrings;
FPrintingTextLength: Integer;
procedure WMGetTextLength(var Message: TWMGetTextLength); message WM_GETTEXTLENGTH;
procedure SetRichEditStrings(const Value: TTntStrings);
function GetWideSelText: WideString;
function GetText: WideString;
procedure SetWideSelText(const Value: WideString);
procedure SetText(const Value: WideString);
function GetHint: WideString;
function IsHintStored: Boolean;
procedure SetHint(const Value: WideString);
procedure SetRTFText(Flags: DWORD; const Value: AnsiString);
protected
procedure CreateParams(var Params: TCreateParams); override;
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure CreateWnd; override;
procedure DefineProperties(Filer: TFiler); override;
function GetActionLinkClass: TControlActionLinkClass; override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
procedure KeyDown(var Key: Word; Shift: TShiftState); override;
function GetSelText: string{TNT-ALLOW string}; override;
function CharPosToGet(RawWin32CharPos: Integer): Integer; deprecated; // use EmulatedCharPos()
function CharPosToSet(EmulatedCharPos: Integer): Integer; deprecated; // use RawWin32CharPos()
function GetSelStart: Integer; reintroduce; virtual;
procedure SetSelStart(const Value: Integer); reintroduce; virtual;
function GetSelLength: Integer; reintroduce; virtual;
procedure SetSelLength(const Value: Integer); reintroduce; virtual;
function LineBreakStyle: TTntTextLineBreakStyle;
property Lines: TTntStrings read FRichEditStrings write SetRichEditStrings;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
//
function EmulatedCharPos(RawWin32CharPos: Integer): Integer;
function RawWin32CharPos(EmulatedCharPos: Integer): Integer;
//
procedure Print(const Caption: string{TNT-ALLOW string}); override;
property SelText: WideString read GetWideSelText write SetWideSelText;
property SelStart: Integer read GetSelStart write SetSelStart;
property SelLength: Integer read GetSelLength write SetSelLength;
property Text: WideString read GetText write SetText;
function FindText(const SearchStr: WideString; StartPos,
Length: Integer; Options: TSearchTypes): Integer;
published
property Hint: WideString read GetHint write SetHint stored IsHintStored;
end;
{TNT-WARN TRichEdit}
TTntRichEdit = class(TTntCustomRichEdit)
published
property Align;
property Alignment;
property Anchors;
property BevelEdges;
property BevelInner;
property BevelOuter;
property BevelKind default bkNone;
property BevelWidth;
property BiDiMode;
property BorderStyle;
property BorderWidth;
property Color;
property Ctl3D;
property DragCursor;
property DragKind;
property DragMode;
property Enabled;
property Font;
property HideSelection;
property HideScrollBars;
property ImeMode;
property ImeName;
property Constraints;
property Lines;
property MaxLength;
property ParentBiDiMode;
property ParentColor;
property ParentCtl3D;
property ParentFont;
property ParentShowHint;
property PlainText;
property PopupMenu;
property ReadOnly;
property ScrollBars;
property ShowHint;
property TabOrder;
property TabStop default True;
property Visible;
property WantTabs;
property WantReturns;
property WordWrap;
property OnChange;
property OnClick;
property OnContextPopup;
property OnDblClick;
property OnDragDrop;
property OnDragOver;
property OnEndDock;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnKeyDown;
property OnKeyPress;
property OnKeyUp;
{$IFDEF COMPILER_9_UP}
property OnMouseActivate;
{$ENDIF}
property OnMouseDown;
{$IFDEF COMPILER_10_UP}
property OnMouseEnter;
property OnMouseLeave;
{$ENDIF}
property OnMouseMove;
property OnMouseUp;
property OnMouseWheel;
property OnMouseWheelDown;
property OnMouseWheelUp;
property OnProtectChange;
property OnResizeRequest;
property OnSaveClipboard;
property OnSelectionChange;
property OnStartDock;
property OnStartDrag;
end;
type
{TNT-WARN TCustomTabControl}
TTntCustomTabControl = class(TCustomTabControl{TNT-ALLOW TCustomTabControl})
private
FTabs: TTntStrings;
FSaveTabIndex: Integer;
FSaveTabs: TTntStrings;
function GetTabs: TTntStrings;
procedure SetTabs(const Value: TTntStrings);
procedure CMDialogChar(var Message: TCMDialogChar); message CM_DIALOGCHAR;
function GetHint: WideString;
function IsHintStored: Boolean;
procedure SetHint(const Value: WideString);
protected
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure DefineProperties(Filer: TFiler); override;
function GetActionLinkClass: TControlActionLinkClass; override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
procedure CreateWnd; override;
procedure DestroyWnd; override;
property Tabs: TTntStrings read GetTabs write SetTabs;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
published
property Hint: WideString read GetHint write SetHint stored IsHintStored;
end;
{TNT-WARN TTabControl}
TTntTabControl = class(TTntCustomTabControl)
public
property DisplayRect;
published
property Align;
property Anchors;
property BiDiMode;
property Constraints;
property DockSite;
property DragCursor;
property DragKind;
property DragMode;
property Enabled;
property Font;
property HotTrack;
property Images;
property MultiLine;
property MultiSelect;
property OwnerDraw;
property ParentBiDiMode;
property ParentFont;
property ParentShowHint;
property PopupMenu;
property RaggedRight;
property ScrollOpposite;
property ShowHint;
property Style;
property TabHeight;
property TabOrder;
property TabPosition;
property Tabs;
property TabIndex; // must be after Tabs
property TabStop;
property TabWidth;
property Visible;
property OnChange;
property OnChanging;
property OnContextPopup;
property OnDockDrop;
property OnDockOver;
property OnDragDrop;
property OnDragOver;
property OnDrawTab;
property OnEndDock;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnGetImageIndex;
property OnGetSiteInfo;
{$IFDEF COMPILER_9_UP}
property OnMouseActivate;
{$ENDIF}
property OnMouseDown;
{$IFDEF COMPILER_10_UP}
property OnMouseEnter;
property OnMouseLeave;
{$ENDIF}
property OnMouseMove;
property OnMouseUp;
property OnResize;
property OnStartDock;
property OnStartDrag;
property OnUnDock;
end;
type
{TNT-WARN TTabSheet}
TTntTabSheet = class(TTabSheet{TNT-ALLOW TTabSheet})
private
Force_Inherited_WMSETTEXT: Boolean;
function IsCaptionStored: Boolean;
function GetCaption: TWideCaption;
procedure SetCaption(const Value: TWideCaption);
procedure WMSetText(var Message: TWMSetText); message WM_SETTEXT;
function GetHint: WideString;
function IsHintStored: Boolean;
procedure SetHint(const Value: WideString);
protected
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure DefineProperties(Filer: TFiler); override;
function GetActionLinkClass: TControlActionLinkClass; override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
published
property Caption: TWideCaption read GetCaption write SetCaption stored IsCaptionStored;
property Hint: WideString read GetHint write SetHint stored IsHintStored;
end;
{TNT-WARN TPageControl}
TTntPageControl = class(TPageControl{TNT-ALLOW TPageControl})
private
FNewDockSheet: TTntTabSheet;
function IsHintStored: Boolean;
function GetHint: WideString;
procedure SetHint(const Value: WideString);
procedure CMDialogChar(var Message: TCMDialogChar); message CM_DIALOGCHAR;
procedure CMDockNotification(var Message: TCMDockNotification); message CM_DOCKNOTIFICATION;
procedure CMDockClient(var Message: TCMDockClient); message CM_DOCKCLIENT;
protected
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure DefineProperties(Filer: TFiler); override;
function GetActionLinkClass: TControlActionLinkClass; override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
procedure WndProc(var Message: TMessage); override;
procedure DoAddDockClient(Client: TControl; const ARect: TRect); override;
published
property Hint: WideString read GetHint write SetHint stored IsHintStored;
end;
{TNT-WARN TTrackBar}
TTntTrackBar = class(TTrackBar{TNT-ALLOW TTrackBar})
private
function IsHintStored: Boolean;
function GetHint: WideString;
procedure SetHint(const Value: WideString);
protected
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure DefineProperties(Filer: TFiler); override;
function GetActionLinkClass: TControlActionLinkClass; override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
published
property Hint: WideString read GetHint write SetHint stored IsHintStored;
end;
{TNT-WARN TProgressBar}
TTntProgressBar = class(TProgressBar{TNT-ALLOW TProgressBar})
private
function IsHintStored: Boolean;
function GetHint: WideString;
procedure SetHint(const Value: WideString);
protected
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure DefineProperties(Filer: TFiler); override;
function GetActionLinkClass: TControlActionLinkClass; override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
published
property Hint: WideString read GetHint write SetHint stored IsHintStored;
end;
{TNT-WARN TCustomUpDown}
TTntCustomUpDown = class(TCustomUpDown{TNT-ALLOW TCustomUpDown})
private
function IsHintStored: Boolean;
function GetHint: WideString;
procedure SetHint(const Value: WideString);
protected
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure DefineProperties(Filer: TFiler); override;
function GetActionLinkClass: TControlActionLinkClass; override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
published
property Hint: WideString read GetHint write SetHint stored IsHintStored;
end;
{TNT-WARN TUpDown}
TTntUpDown = class(TTntCustomUpDown)
published
property AlignButton;
property Anchors;
property Associate;
property ArrowKeys;
property Enabled;
property Hint;
property Min;
property Max;
property Increment;
property Constraints;
property Orientation;
property ParentShowHint;
property PopupMenu;
property Position;
property ShowHint;
property TabOrder;
property TabStop;
property Thousands;
property Visible;
property Wrap;
property OnChanging;
property OnChangingEx;
property OnContextPopup;
property OnClick;
property OnEnter;
property OnExit;
{$IFDEF COMPILER_9_UP}
property OnMouseActivate;
{$ENDIF}
property OnMouseDown;
{$IFDEF COMPILER_10_UP}
property OnMouseEnter;
property OnMouseLeave;
{$ENDIF}
property OnMouseMove;
property OnMouseUp;
end;
{TNT-WARN TDateTimePicker}
TTntDateTimePicker = class(TDateTimePicker{TNT-ALLOW TDateTimePicker})
private
FHadFirstMouseClick: Boolean;
function IsHintStored: Boolean;
function GetHint: WideString;
procedure SetHint(const Value: WideString);
procedure WMLButtonDown(var Message: TWMLButtonDown); message WM_LBUTTONDOWN;
protected
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure CreateWnd; override;
procedure DefineProperties(Filer: TFiler); override;
function GetActionLinkClass: TControlActionLinkClass; override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
published
property Hint: WideString read GetHint write SetHint stored IsHintStored;
end;
{TNT-WARN TMonthCalendar}
TTntMonthCalendar = class(TMonthCalendar{TNT-ALLOW TMonthCalendar})
private
function IsHintStored: Boolean;
function GetHint: WideString;
procedure SetHint(const Value: WideString);
function GetDate: TDate;
procedure SetDate(const Value: TDate);
protected
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure DefineProperties(Filer: TFiler); override;
function GetActionLinkClass: TControlActionLinkClass; override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
public
procedure ForceGetMonthInfo;
published
property Date: TDate read GetDate write SetDate;
property Hint: WideString read GetHint write SetHint stored IsHintStored;
end;
{TNT-WARN TPageScroller}
TTntPageScroller = class(TPageScroller{TNT-ALLOW TPageScroller})
private
function IsHintStored: Boolean;
function GetHint: WideString;
procedure SetHint(const Value: WideString);
protected
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure DefineProperties(Filer: TFiler); override;
function GetActionLinkClass: TControlActionLinkClass; override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
published
property Hint: WideString read GetHint write SetHint stored IsHintStored;
end;
type
{TNT-WARN TStatusPanel}
TTntStatusPanel = class(TStatusPanel{TNT-ALLOW TStatusPanel})
private
FText: WideString;
function GetText: Widestring;
procedure SetText(const Value: Widestring);
procedure SetInheritedText(const Value: AnsiString);
protected
procedure DefineProperties(Filer: TFiler); override;
public
procedure Assign(Source: TPersistent); override;
published
property Text: Widestring read GetText write SetText;
end;
{TNT-WARN TStatusPanels}
TTntStatusPanels = class(TStatusPanels{TNT-ALLOW TStatusPanels})
private
function GetItem(Index: Integer): TTntStatusPanel;
procedure SetItem(Index: Integer; Value: TTntStatusPanel);
public
function Add: TTntStatusPanel;
function AddItem(Item: TTntStatusPanel; Index: Integer): TTntStatusPanel;
function Insert(Index: Integer): TTntStatusPanel;
property Items[Index: Integer]: TTntStatusPanel read GetItem write SetItem; default;
end;
{TNT-WARN TCustomStatusBar}
TTntCustomStatusBar = class(TCustomStatusBar{TNT-ALLOW TCustomStatusBar})
private
FSimpleText: WideString;
function GetSimpleText: WideString;
procedure SetSimpleText(const Value: WideString);
procedure SetInheritedSimpleText(const Value: AnsiString);
function SyncLeadingTabs(const WideVal: WideString; const AnsiVal: AnsiString): WideString;
function GetHint: WideString;
function IsHintStored: Boolean;
procedure SetHint(const Value: WideString);
procedure WMGetTextLength(var Message: TWMGetTextLength); message WM_GETTEXTLENGTH;
function GetPanels: TTntStatusPanels;
procedure SetPanels(const Value: TTntStatusPanels);
protected
procedure DefineProperties(Filer: TFiler); override;
function CreatePanels: TStatusPanels{TNT-ALLOW TStatusPanels}; override;
function GetPanelClass: TStatusPanelClass; override;
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure WndProc(var Msg: TMessage); override;
function GetActionLinkClass: TControlActionLinkClass; override;
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
public
function ExecuteAction(Action: TBasicAction): Boolean; override;
property Panels: TTntStatusPanels read GetPanels write SetPanels;
property SimpleText: WideString read GetSimpleText write SetSimpleText;
published
property Hint: WideString read GetHint write SetHint stored IsHintStored;
end;
{TNT-WARN TStatusBar}
TTntStatusBar = class(TTntCustomStatusBar)
private
function GetOnDrawPanel: TDrawPanelEvent;
procedure SetOnDrawPanel(const Value: TDrawPanelEvent);
published
property Action;
property AutoHint default False;
property Align default alBottom;
property Anchors;
property BiDiMode;
property BorderWidth;
property Color default clBtnFace;
property DragCursor;
property DragKind;
property DragMode;
property Enabled;
property Font stored IsFontStored;
property Constraints;
property Panels;
property ParentBiDiMode;
property ParentColor default False;
property ParentFont default False;
property ParentShowHint;
property PopupMenu;
property ShowHint;
property SimplePanel {$IFDEF COMPILER_7_UP} default False {$ENDIF};
property SimpleText;
property SizeGrip default True;
property UseSystemFont default True;
property Visible;
property OnClick;
property OnContextPopup;
property OnCreatePanelClass;
property OnDblClick;
property OnDragDrop;
property OnDragOver;
property OnEndDock;
property OnEndDrag;
property OnHint;
{$IFDEF COMPILER_9_UP}
property OnMouseActivate;
{$ENDIF}
property OnMouseDown;
{$IFDEF COMPILER_10_UP}
property OnMouseEnter;
property OnMouseLeave;
{$ENDIF}
property OnMouseMove;
property OnMouseUp;
// Required for backwards compatibility with the old event signature
property OnDrawPanel: TDrawPanelEvent read GetOnDrawPanel write SetOnDrawPanel;
property OnResize;
property OnStartDock;
property OnStartDrag;
end;
type
TTntTreeNodes = class;
TTntCustomTreeView = class;
{TNT-WARN TTreeNode}
TTntTreeNode = class(TTreeNode{TNT-ALLOW TTreeNode})
private
FText: WideString;
procedure SetText(const Value: WideString);
procedure SetInheritedText(const Value: AnsiString);
function GetText: WideString;
function GetItem(Index: Integer): TTntTreeNode;
function GetNodeOwner: TTntTreeNodes;
function GetParent: TTntTreeNode;
function GetTreeView: TTntCustomTreeView;
procedure SetItem(Index: Integer; const Value: TTntTreeNode);
function IsEqual(Node: TTntTreeNode): Boolean;
procedure ReadData(Stream: TStream; Info: PNodeInfo);
procedure WriteData(Stream: TStream; Info: PNodeInfo);
public
procedure Assign(Source: TPersistent); override;
function getFirstChild: TTntTreeNode; {GetFirstChild conflicts with C++ macro}
function GetLastChild: TTntTreeNode;
function GetNext: TTntTreeNode;
function GetNextChild(Value: TTntTreeNode): TTntTreeNode;
function getNextSibling: TTntTreeNode; {GetNextSibling conflicts with C++ macro}
function GetNextVisible: TTntTreeNode;
function GetPrev: TTntTreeNode;
function GetPrevChild(Value: TTntTreeNode): TTntTreeNode;
function getPrevSibling: TTntTreeNode; {GetPrevSibling conflicts with a C++ macro}
function GetPrevVisible: TTntTreeNode;
property Item[Index: Integer]: TTntTreeNode read GetItem write SetItem; default;
property Owner: TTntTreeNodes read GetNodeOwner;
property Parent: TTntTreeNode read GetParent;
property Text: WideString read GetText write SetText;
property TreeView: TTntCustomTreeView read GetTreeView;
end;
TTntTreeNodeClass = class of TTntTreeNode;
TTntTreeNodesEnumerator = class
private
FIndex: Integer;
FTreeNodes: TTntTreeNodes;
public
constructor Create(ATreeNodes: TTntTreeNodes);
function GetCurrent: TTntTreeNode;
function MoveNext: Boolean;
property Current: TTntTreeNode read GetCurrent;
end;
{TNT-WARN TTreeNodes}
TTntTreeNodes = class(TTreeNodes{TNT-ALLOW TTreeNodes})
private
function GetNodeFromIndex(Index: Integer): TTntTreeNode;
function GetNodesOwner: TTntCustomTreeView;
procedure ClearCache;
procedure ReadData(Stream: TStream);
procedure WriteData(Stream: TStream);
protected
procedure DefineProperties(Filer: TFiler); override;
public
procedure Assign(Source: TPersistent); override;
function Add(Sibling: TTntTreeNode; const S: WideString): TTntTreeNode;
function AddChild(Parent: TTntTreeNode; const S: WideString): TTntTreeNode;
function AddChildFirst(Parent: TTntTreeNode; const S: WideString): TTntTreeNode;
function AddChildObject(Parent: TTntTreeNode; const S: WideString;
Ptr: Pointer): TTntTreeNode;
function AddChildObjectFirst(Parent: TTntTreeNode; const S: WideString;
Ptr: Pointer): TTntTreeNode;
function AddFirst(Sibling: TTntTreeNode; const S: WideString): TTntTreeNode;
function AddObject(Sibling: TTntTreeNode; const S: WideString;
Ptr: Pointer): TTntTreeNode;
function AddObjectFirst(Sibling: TTntTreeNode; const S: WideString;
Ptr: Pointer): TTntTreeNode;
function Insert(Sibling: TTntTreeNode; const S: WideString): TTntTreeNode;
function InsertObject(Sibling: TTntTreeNode; const S: WideString;
Ptr: Pointer): TTntTreeNode;
function InsertNode(Node, Sibling: TTntTreeNode; const S: WideString;
Ptr: Pointer): TTntTreeNode;
function AddNode(Node, Relative: TTntTreeNode; const S: WideString;
Ptr: Pointer; Method: TNodeAttachMode): TTntTreeNode;
public
function GetFirstNode: TTntTreeNode;
function GetEnumerator: TTntTreeNodesEnumerator;
function GetNode(ItemId: HTreeItem): TTntTreeNode;
property Item[Index: Integer]: TTntTreeNode read GetNodeFromIndex; default;
property Owner: TTntCustomTreeView read GetNodesOwner;
end;
TTntTVEditedEvent = procedure(Sender: TObject; Node: TTntTreeNode; var S: WideString) of object;
{TNT-WARN TCustomTreeView}
_TntInternalCustomTreeView = class(TCustomTreeView{TNT-ALLOW TCustomTreeView})
private
function Wide_FindNextToSelect: TTntTreeNode; virtual; abstract;
function Inherited_FindNextToSelect: TTreeNode{TNT-ALLOW TTreeNode};
public
function FindNextToSelect: TTreeNode{TNT-ALLOW TTreeNode}; override;
end;
TTntCustomTreeView = class(_TntInternalCustomTreeView)
private
FSavedNodeText: TTntStrings;
FSavedSortType: TSortType;
FOnEdited: TTntTVEditedEvent;
FTestingForSortProc: Boolean;
FEditHandle: THandle;
FEditInstance: Pointer;
FDefEditProc: Pointer;
function GetTreeNodes: TTntTreeNodes;
procedure SetTreeNodes(const Value: TTntTreeNodes);
procedure CNNotify(var Message: TWMNotify); message CN_NOTIFY;
procedure WMNotify(var Message: TWMNotify); message WM_NOTIFY;
function GetNodeFromItem(const Item: TTVItem): TTntTreeNode;
procedure EditWndProcW(var Message: TMessage);
function Wide_FindNextToSelect: TTntTreeNode; override;
function GetDropTarget: TTntTreeNode;
function GetSelected: TTntTreeNode;
function GetSelection(Index: Integer): TTntTreeNode;
function GetTopItem: TTntTreeNode;
procedure SetDropTarget(const Value: TTntTreeNode);
procedure SetSelected(const Value: TTntTreeNode);
procedure SetTopItem(const Value: TTntTreeNode);
function GetHint: WideString;
function IsHintStored: Boolean;
procedure SetHint(const Value: WideString);
protected
procedure ActionChange(Sender: TObject; CheckDefaults: Boolean); override;
function GetActionLinkClass: TControlActionLinkClass; override;
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure CreateWnd; override;
procedure DestroyWnd; override;
procedure DefineProperties(Filer: TFiler); override;
procedure WndProc(var Message: TMessage); override;
procedure Edit(const Item: TTVItem); override;
function CreateNode: TTreeNode{TNT-ALLOW TTreeNode}; override;
function CreateNodes: TTreeNodes{TNT-ALLOW TTreeNodes}; override;
property Items: TTntTreeNodes read GetTreeNodes write SetTreeNodes;
property OnEdited: TTntTVEditedEvent read FOnEdited write FOnEdited;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure LoadFromFile(const FileName: WideString);
procedure LoadFromStream(Stream: TStream);
procedure SaveToFile(const FileName: WideString);
procedure SaveToStream(Stream: TStream);
function GetNodeAt(X, Y: Integer): TTntTreeNode;
property DropTarget: TTntTreeNode read GetDropTarget write SetDropTarget;
property Selected: TTntTreeNode read GetSelected write SetSelected;
property TopItem: TTntTreeNode read GetTopItem write SetTopItem;
property Selections[Index: Integer]: TTntTreeNode read GetSelection;
function GetSelections(AList: TList): TTntTreeNode;
function FindNextToSelect: TTntTreeNode; reintroduce; virtual;
published
property Hint: WideString read GetHint write SetHint stored IsHintStored;
end;
{TNT-WARN TTreeView}
TTntTreeView = class(TTntCustomTreeView)
published
property Align;
property Anchors;
property AutoExpand;
property BevelEdges;
property BevelInner;
property BevelOuter;
property BevelKind default bkNone;
property BevelWidth;
property BiDiMode;
property BorderStyle;
property BorderWidth;
property ChangeDelay;
property Color;
property Ctl3D;
property Constraints;
property DragKind;
property DragCursor;
property DragMode;
property Enabled;
property Font;
property HideSelection;
property HotTrack;
property Images;
property Indent;
property MultiSelect;
property MultiSelectStyle;
property ParentBiDiMode;
property ParentColor default False;
property ParentCtl3D;
property ParentFont;
property ParentShowHint;
property PopupMenu;
property ReadOnly;
property RightClickSelect;
property RowSelect;
property ShowButtons;
property ShowHint;
property ShowLines;
property ShowRoot;
property SortType;
property StateImages;
property TabOrder;
property TabStop default True;
property ToolTips;
property Visible;
property OnAddition;
property OnAdvancedCustomDraw;
property OnAdvancedCustomDrawItem;
property OnChange;
property OnChanging;
property OnClick;
property OnCollapsed;
property OnCollapsing;
property OnCompare;
property OnContextPopup;
property OnCreateNodeClass;
property OnCustomDraw;
property OnCustomDrawItem;
property OnDblClick;
property OnDeletion;
property OnDragDrop;
property OnDragOver;
property OnEdited;
property OnEditing;
property OnEndDock;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnExpanding;
property OnExpanded;
property OnGetImageIndex;
property OnGetSelectedIndex;
property OnKeyDown;
property OnKeyPress;
property OnKeyUp;
{$IFDEF COMPILER_9_UP}
property OnMouseActivate;
{$ENDIF}
property OnMouseDown;
{$IFDEF COMPILER_10_UP}
property OnMouseEnter;
property OnMouseLeave;
{$ENDIF}
property OnMouseMove;
property OnMouseUp;
property OnStartDock;
property OnStartDrag;
{ Items must be published after OnGetImageIndex and OnGetSelectedIndex }
property Items;
end;
implementation
uses
Forms, SysUtils, TntGraphics, ImgList, TntSystem, TntStdCtrls, StdCtrls,
RichEdit, ActiveIMM_TLB, TntForms, ComStrs, TntMenus,
TntActnList, TntStdActns, TntWindows,
{$IFNDEF COMPILER_10_UP}
TntWideStrings,
{$ELSE}
WideStrings,
{$ENDIF}
{$IFDEF COMPILER_9_UP} WideStrUtils {$ELSE} TntWideStrUtils {$ENDIF};
procedure CreateUnicodeHandle_ComCtl(Control: TWinControl; const Params: TCreateParams;
const SubClass: WideString);
begin
Assert(SubClass <> '', 'TNT Internal Error: Only call CreateUnicodeHandle_ComCtl for Common Controls.');
CreateUnicodeHandle(Control, Params, SubClass);
if Win32PlatformIsUnicode then
SendMessageW(Control.Handle, CCM_SETUNICODEFORMAT, Integer(True), 0);
end;
{ TTntListColumn }
procedure TTntListColumn.Assign(Source: TPersistent);
begin
inherited;
if Source is TTntListColumn then
Caption := TTntListColumn(Source).Caption
else if Source is TListColumn{TNT-ALLOW TListColumn} then
FCaption := TListColumn{TNT-ALLOW TListColumn}(Source).Caption;
end;
procedure TTntListColumn.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
procedure TTntListColumn.SetInheritedCaption(const Value: AnsiString);
begin
inherited Caption := Value;
end;
function TTntListColumn.GetCaption: WideString;
begin
Result := GetSyncedWideString(FCaption, inherited Caption);
end;
procedure TTntListColumn.SetCaption(const Value: WideString);
begin
SetSyncedWideString(Value, FCaption, inherited Caption, SetInheritedCaption);
end;
{ TTntListColumns }
{$IFDEF COMPILER_6} // verified against VCL source in Delphi 6 and BCB 6
type
THackCollection = class(TPersistent)
protected
FItemClass: TCollectionItemClass;
end;
{$ENDIF}
{$IFDEF DELPHI_7} // verified against VCL source in Delphi 7
type
THackCollection = class(TPersistent)
protected
FItemClass: TCollectionItemClass;
end;
{$ENDIF}
{$IFDEF DELPHI_9} // verified against VCL source in Delphi 9
type
THackCollection = class(TPersistent)
protected
FItemClass: TCollectionItemClass;
end;
{$ENDIF}
{$IFDEF DELPHI_10} // verified against VCL source in Delphi 10
type
THackCollection = class(TPersistent)
protected
FItemClass: TCollectionItemClass;
end;
{$ENDIF}
constructor TTntListColumns.Create(AOwner: TTntCustomListView);
begin
inherited Create(AOwner);
Assert(THackCollection(Self).FItemClass = Self.ItemClass, 'Internal Error in TTntListColumns.Create().');
THackCollection(Self).FItemClass := TTntListColumn
end;
function TTntListColumns.Owner: TTntCustomListView;
begin
Result := inherited Owner as TTntCustomListView;
end;
function TTntListColumns.Add: TTntListColumn;
begin
Result := (inherited Add) as TTntListColumn;
end;
function TTntListColumns.GetItem(Index: Integer): TTntListColumn;
begin
Result := inherited Items[Index] as TTntListColumn;
end;
procedure TTntListColumns.SetItem(Index: Integer; Value: TTntListColumn);
begin
inherited SetItem(Index, Value);
end;
{ TWideSubItems }
type
TWideSubItems = class(TTntStringList)
private
FIgnoreInherited: Boolean;
FInheritedOwner: TListItem{TNT-ALLOW TListItem};
FOwner: TTntListItem;
protected
procedure Put(Index: Integer; const S: WideString); override;
function GetObject(Index: Integer): TObject; override;
procedure PutObject(Index: Integer; AObject: TObject); override;
procedure SetUpdateState(Updating: Boolean); override;
public
procedure Insert(Index: Integer; const S: WideString); override;
function AddObject(const S: WideString; AObject: TObject): Integer; override;
procedure Clear; override;
procedure Delete(Index: Integer); override;
public
constructor Create(AOwner: TTntListItem);
end;
constructor TWideSubItems.Create(AOwner: TTntListItem);
begin
inherited Create;
FInheritedOwner := AOwner;
FOwner := AOwner;
end;
function TWideSubItems.AddObject(const S: WideString; AObject: TObject): Integer;
begin
FOwner.ListView.BeginChangingWideItem;
try
Result := inherited AddObject(S, AObject);
if (not FIgnoreInherited) then
FInheritedOwner.SubItems.AddObject(S, AObject);
finally
FOwner.ListView.EndChangingWideItem;
end;
end;
procedure TWideSubItems.Clear;
begin
FOwner.ListView.BeginChangingWideItem;
try
inherited;
if (not FIgnoreInherited) then
FInheritedOwner.SubItems.Clear;
finally
FOwner.ListView.EndChangingWideItem;
end;
end;
procedure TWideSubItems.Delete(Index: Integer);
begin
FOwner.ListView.BeginChangingWideItem;
try
inherited;
if (not FIgnoreInherited) then
FInheritedOwner.SubItems.Delete(Index);
finally
FOwner.ListView.EndChangingWideItem;
end;
end;
procedure TWideSubItems.Insert(Index: Integer; const S: WideString);
begin
FOwner.ListView.BeginChangingWideItem;
try
inherited;
if (not FIgnoreInherited) then
FInheritedOwner.SubItems.Insert(Index, S);
finally
FOwner.ListView.EndChangingWideItem;
end;
end;
procedure TWideSubItems.Put(Index: Integer; const S: WideString);
begin
FOwner.ListView.BeginChangingWideItem;
try
inherited;
if (not FIgnoreInherited) then
FInheritedOwner.SubItems[Index] := S;
finally
FOwner.ListView.EndChangingWideItem;
end;
end;
function TWideSubItems.GetObject(Index: Integer): TObject;
begin
Result := FInheritedOwner.SubItems.Objects[Index];
end;
procedure TWideSubItems.PutObject(Index: Integer; AObject: TObject);
begin
FInheritedOwner.SubItems.Objects[Index] := AObject;
end;
type TAccessStrings = class(TStrings{TNT-ALLOW TStrings});
procedure TWideSubItems.SetUpdateState(Updating: Boolean);
begin
inherited;
TAccessStrings(FInheritedOwner.SubItems).SetUpdateState(Updating);
end;
{ TTntListItem }
constructor TTntListItem.Create(AOwner: TListItems{TNT-ALLOW TListItems});
begin
inherited Create(AOwner);
FSubItems := TWideSubItems.Create(Self);
end;
destructor TTntListItem.Destroy;
begin
inherited;
FreeAndNil(FSubItems);
end;
function TTntListItem.GetCaption: WideString;
begin
Result := GetSyncedWideString(FCaption, inherited Caption);
end;
procedure TTntListItem.SetInheritedCaption(const Value: AnsiString);
begin
inherited Caption := Value;
end;
procedure TTntListItem.SetCaption(const Value: WideString);
begin
ListView.BeginChangingWideItem;
try
SetSyncedWideString(Value, FCaption, inherited Caption, SetInheritedCaption);
finally
ListView.EndChangingWideItem;
end;
end;
procedure TTntListItem.Assign(Source: TPersistent);
begin
if Source is TTntListItem then
with Source as TTntListItem do
begin
Self.Caption := Caption;
Self.Data := Data;
Self.ImageIndex := ImageIndex;
Self.Indent := Indent;
Self.OverlayIndex := OverlayIndex;
Self.StateIndex := StateIndex;
Self.SubItems := SubItems;
Self.Checked := Checked;
end
else inherited Assign(Source);
end;
procedure TTntListItem.SetSubItems(const Value: TTntStrings);
begin
if Value <> nil then
FSubItems.Assign(Value);
end;
function TTntListItem.GetTntOwner: TTntListItems;
begin
Result := ListView.Items;
end;
function TTntListItem.GetListView: TTntCustomListView;
begin
Result := ((inherited Owner).Owner as TTntCustomListView);
end;
{ TTntListItemsEnumerator }
constructor TTntListItemsEnumerator.Create(AListItems: TTntListItems);
begin
inherited Create;
FIndex := -1;
FListItems := AListItems;
end;
function TTntListItemsEnumerator.GetCurrent: TTntListItem;
begin
Result := FListItems[FIndex];
end;
function TTntListItemsEnumerator.MoveNext: Boolean;
begin
Result := FIndex < FListItems.Count - 1;
if Result then
Inc(FIndex);
end;
{ TTntListItems }
function TTntListItems.Add: TTntListItem;
begin
Result := (inherited Add) as TTntListItem;
end;
function TTntListItems.AddItem(Item: TTntListItem; Index: Integer): TTntListItem;
begin
Result := (inherited AddItem(Item, Index)) as TTntListItem;
end;
function TTntListItems.Insert(Index: Integer): TTntListItem;
begin
Result := (inherited Insert(Index)) as TTntListItem;
end;
function TTntListItems.GetItem(Index: Integer): TTntListItem;
begin
Result := (inherited Item[Index]) as TTntListItem;
end;
function TTntListItems.Owner: TTntCustomListView;
begin
Result := (inherited Owner) as TTntCustomListView;
end;
procedure TTntListItems.SetItem(Index: Integer; const Value: TTntListItem);
begin
inherited Item[Index] := Value;
end;
function TTntListItems.GetEnumerator: TTntListItemsEnumerator;
begin
Result := TTntListItemsEnumerator.Create(Self);
end;
{ TSavedListItem }
type
TSavedListItem = class
FCaption: WideString;
FSubItems: TTntStrings;
constructor Create;
destructor Destroy; override;
end;
constructor TSavedListItem.Create;
begin
inherited;
FSubItems := TTntStringList.Create;
end;
destructor TSavedListItem.Destroy;
begin
FSubItems.Free;
inherited;
end;
{ _TntInternalCustomListView }
function _TntInternalCustomListView.OwnerDataFind(Find: TItemFind;
const FindString: AnsiString; const FindPosition: TPoint;
FindData: Pointer; StartIndex: Integer; Direction: TSearchDirection;
Wrap: Boolean): Integer;
var
WideFindString: WideString;
begin
if Assigned(PWideFindString) then
WideFindString := PWideFindString
else
WideFindString := FindString;
Result := OwnerDataFindW(Find, WideFindString, FindPosition, FindData, StartIndex, Direction, Wrap);
end;
function _TntInternalCustomListView.OwnerDataFetch(Item: TListItem{TNT-ALLOW TListItem};
Request: TItemRequest): Boolean;
begin
if (CurrentDispInfo <> nil)
and (OriginalDispInfoMask and LVIF_TEXT <> 0) then begin
(Item as TTntListItem).FCaption := CurrentDispInfo.item.pszText
end;
(Item as TTntListItem).FSubItems.Clear;
Result := OwnerDataFetchW(Item, Request);
end;
{ TTntCustomListView }
{$IFDEF COMPILER_6} // verified against VCL source in Delphi 6 and BCB 6
type
THackCustomListView = class(TCustomMultiSelectListControl)
protected
FxxxCanvas: TCanvas;
FxxxBorderStyle: TBorderStyle;
FxxxViewStyle: TViewStyle;
FxxxReadOnly: Boolean;
FxxxLargeImages: TCustomImageList;
FxxxSmallImages: TCustomImageList;
FxxxStateImages: TCustomImageList;
FxxxDragImage: TDragImageList;
FxxxMultiSelect: Boolean;
FxxxSortType: TSortType;
FxxxColumnClick: Boolean;
FxxxShowColumnHeaders: Boolean;
FxxxListItems: TListItems{TNT-ALLOW TListItems};
FxxxClicked: Boolean;
FxxxRClicked: Boolean;
FxxxIconOptions: TIconOptions;
FxxxHideSelection: Boolean;
FListColumns: TListColumns{TNT-ALLOW TListColumns};
end;
{$ENDIF}
{$IFDEF DELPHI_7} // verified against VCL source in Delphi 7
type
THackCustomListView = class(TCustomMultiSelectListControl)
protected
FxxxCanvas: TCanvas;
FxxxBorderStyle: TBorderStyle;
FxxxViewStyle: TViewStyle;
FxxxReadOnly: Boolean;
FxxxLargeImages: TCustomImageList;
FxxxSmallImages: TCustomImageList;
FxxxStateImages: TCustomImageList;
FxxxDragImage: TDragImageList;
FxxxMultiSelect: Boolean;
FxxxSortType: TSortType;
FxxxColumnClick: Boolean;
FxxxShowColumnHeaders: Boolean;
FxxxListItems: TListItems{TNT-ALLOW TListItems};
FxxxClicked: Boolean;
FxxxRClicked: Boolean;
FxxxIconOptions: TIconOptions;
FxxxHideSelection: Boolean;
FListColumns: TListColumns{TNT-ALLOW TListColumns};
end;
{$ENDIF}
{$IFDEF DELPHI_9} // verified against VCL source in Delphi 9
type
THackCustomListView = class(TCustomMultiSelectListControl)
protected
FxxxCanvas: TCanvas;
FxxxBorderStyle: TBorderStyle;
FxxxViewStyle: TViewStyle;
FxxxReadOnly: Boolean;
FxxxLargeImages: TCustomImageList;
FxxxSmallImages: TCustomImageList;
FxxxStateImages: TCustomImageList;
FxxxDragImage: TDragImageList;
FxxxMultiSelect: Boolean;
FxxxSortType: TSortType;
FxxxColumnClick: Boolean;
FxxxShowColumnHeaders: Boolean;
FxxxListItems: TListItems{TNT-ALLOW TListItems};
FxxxClicked: Boolean;
FxxxRClicked: Boolean;
FxxxIconOptions: TIconOptions;
FxxxHideSelection: Boolean;
FListColumns: TListColumns{TNT-ALLOW TListColumns};
end;
{$ENDIF}
{$IFDEF DELPHI_10} // verified against VCL source in Delphi 10
type
THackCustomListView = class(TCustomMultiSelectListControl)
protected
FxxxCanvas: TCanvas;
FxxxBorderStyle: TBorderStyle;
FxxxViewStyle: TViewStyle;
FxxxReadOnly: Boolean;
FxxxLargeImages: TCustomImageList;
FxxxSaveSelectedIndex: Integer;
FxxxSmallImages: TCustomImageList;
FxxxStateImages: TCustomImageList;
FxxxDragImage: TDragImageList;
FxxxMultiSelect: Boolean;
FxxxSortType: TSortType;
FxxxColumnClick: Boolean;
FxxxShowColumnHeaders: Boolean;
FxxxListItems: TListItems{TNT-ALLOW TListItems};
FxxxClicked: Boolean;
FxxxRClicked: Boolean;
FxxxIconOptions: TIconOptions;
FxxxHideSelection: Boolean;
FListColumns: TListColumns{TNT-ALLOW TListColumns};
end;
{$ENDIF}
var
ComCtrls_DefaultListViewSort: TLVCompare = nil;
constructor TTntCustomListView.Create(AOwner: TComponent);
begin
inherited;
FEditInstance := Classes.MakeObjectInstance(EditWndProcW);
// create list columns
Assert(THackCustomListView(Self).FListColumns = inherited Columns, 'Internal Error in TTntCustomListView.Create().');
FreeAndNil(THackCustomListView(Self).FListColumns);
THackCustomListView(Self).FListColumns := TTntListColumns.Create(Self);
end;
destructor TTntCustomListView.Destroy;
begin
inherited;
Classes.FreeObjectInstance(FEditInstance);
FreeAndNil(FSavedItems);
end;
procedure TTntCustomListView.CreateWindowHandle(const Params: TCreateParams);
procedure Capture_ComCtrls_DefaultListViewSort;
begin
FTestingForSortProc := True;
try
AlphaSort;
finally
FTestingForSortProc := False;
end;
end;
var
Column: TLVColumn;
begin
CreateUnicodeHandle_ComCtl(Self, Params, WC_LISTVIEW);
if (Win32PlatformIsUnicode) then begin
if not Assigned(ComCtrls_DefaultListViewSort) then
Capture_ComCtrls_DefaultListViewSort;
// the only way I could get editing to work is after a column had been inserted
Column.mask := 0;
ListView_InsertColumn(Handle, 0, Column);
ListView_DeleteColumn(Handle, 0);
end;
end;
procedure TTntCustomListView.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
procedure TTntCustomListView.CreateWnd;
begin
inherited;
FreeAndNil(FSavedItems);
end;
procedure TTntCustomListView.DestroyWnd;
var
i: integer;
FSavedItem: TSavedListItem;
Item: TTntListItem;
begin
if (not (csDestroying in ComponentState)) and (not OwnerData) then begin
FreeAndNil(FSavedItems); // fixes a bug on Windows 95.
FSavedItems := TObjectList.Create(True);
for i := 0 to Items.Count - 1 do begin
FSavedItem := TSavedListItem.Create;
Item := Items[i];
FSavedItem.FCaption := Item.FCaption;
FSavedItem.FSubItems.Assign(Item.FSubItems);
FSavedItems.Add(FSavedItem)
end;
end;
inherited;
end;
function TTntCustomListView.GetDropTarget: TTntListItem;
begin
Result := inherited DropTarget as TTntListItem;
end;
procedure TTntCustomListView.SetDropTarget(const Value: TTntListItem);
begin
inherited DropTarget := Value;
end;
function TTntCustomListView.GetItemFocused: TTntListItem;
begin
Result := inherited ItemFocused as TTntListItem;
end;
procedure TTntCustomListView.SetItemFocused(const Value: TTntListItem);
begin
inherited ItemFocused := Value;
end;
function TTntCustomListView.GetSelected: TTntListItem;
begin
Result := inherited Selected as TTntListItem;
end;
procedure TTntCustomListView.SetSelected(const Value: TTntListItem);
begin
inherited Selected := Value;
end;
function TTntCustomListView.GetTopItem: TTntListItem;
begin
Result := inherited TopItem as TTntListItem;
end;
function TTntCustomListView.GetListColumns: TTntListColumns;
begin
Result := inherited Columns as TTntListColumns;
end;
procedure TTntCustomListView.SetListColumns(const Value: TTntListColumns);
begin
inherited Columns := Value;
end;
{$IFDEF COMPILER_6} // verified against VCL source in Delphi 6 and BCB 6
type
THackListColumn = class(TCollectionItem)
protected
FxxxAlignment: TAlignment;
FxxxAutoSize: Boolean;
FxxxCaption: AnsiString;
FxxxMaxWidth: TWidth;
FxxxMinWidth: TWidth;
FxxxImageIndex: TImageIndex;
FxxxPrivateWidth: TWidth;
FxxxWidth: TWidth;
FOrderTag: Integer;
end;
{$ENDIF}
{$IFDEF DELPHI_7} // verified against VCL source in Delphi 7
type
THackListColumn = class(TCollectionItem)
protected
FxxxAlignment: TAlignment;
FxxxAutoSize: Boolean;
FxxxCaption: AnsiString;
FxxxMaxWidth: TWidth;
FxxxMinWidth: TWidth;
FxxxImageIndex: TImageIndex;
FxxxPrivateWidth: TWidth;
FxxxWidth: TWidth;
FOrderTag: Integer;
end;
{$ENDIF}
{$IFDEF DELPHI_9} // verified against VCL source in Delphi 9
type
THackListColumn = class(TCollectionItem)
protected
FxxxxxxxxAlignment: TAlignment;
FxxxxAutoSize: Boolean;
FxxxxCaption: AnsiString;
FxxxxMaxWidth: TWidth;
FxxxxMinWidth: TWidth;
FxxxxImageIndex: TImageIndex;
FxxxxPrivateWidth: TWidth;
FxxxxWidth: TWidth;
FOrderTag: Integer;
end;
{$ENDIF}
{$IFDEF DELPHI_10} // verified against VCL source in Delphi 10
type
THackListColumn = class(TCollectionItem)
protected
FxxxxxxxxAlignment: TAlignment;
FxxxxAutoSize: Boolean;
FxxxxCaption: AnsiString;
FxxxxMaxWidth: TWidth;
FxxxxMinWidth: TWidth;
FxxxxImageIndex: TImageIndex;
FxxxxPrivateWidth: TWidth;
FxxxxWidth: TWidth;
FOrderTag: Integer;
end;
{$ENDIF}
function TTntCustomListView.GetColumnFromTag(Tag: Integer): TTntListColumn;
var
I: Integer;
begin
for I := 0 to Columns.Count - 1 do
begin
Result := Columns[I];
if THackListColumn(Result).FOrderTag = Tag then Exit;
end;
Result := nil;
end;
function TTntCustomListView.ColumnFromIndex(Index: Integer): TTntListColumn;
begin
Result := inherited Column[Index] as TTntListColumn;
end;
function TTntCustomListView.AreItemsStored: Boolean;
begin
if Assigned(Action) then
begin
if Action is TCustomListAction{TNT-ALLOW TCustomListAction} then
Result := False
else
Result := True;
end
else
Result := not OwnerData;
end;
function TTntCustomListView.GetItems: TTntListItems;
begin
Result := inherited Items as TTntListItems;
end;
procedure TTntCustomListView.SetItems(Value: TTntListItems);
begin
inherited Items := Value;
end;
type TTntListItemClass = class of TTntListItem;
function TTntCustomListView.CreateListItem: TListItem{TNT-ALLOW TListItem};
var
LClass: TClass;
TntLClass: TTntListItemClass;
begin
LClass := TTntListItem;
if Assigned(OnCreateItemClass) then
OnCreateItemClass(Self, TListItemClass(LClass));
if not LClass.InheritsFrom(TTntListItem) then
raise ETntInternalError.Create('Internal Error: OnCreateItemClass.ItemClass must inherit from TTntListItem.');
TntLClass := TTntListItemClass(LClass);
Result := TntLClass.Create(inherited Items);
if FTempItem = nil then
FTempItem := Result as TTntListItem; { In Delphi 5/6/7/9/10, the first item created is the temp item }
{ TODO: Verify that D11 creates a temp item in its constructor. }
end;
function TTntCustomListView.CreateListItems: TListItems{TNT-ALLOW TListItems};
begin
Result := TTntListItems.Create(Self);
end;
function TTntCustomListView.GetItemW(Value: TLVItemW): TTntListItem;
begin
with Value do begin
if (mask and LVIF_PARAM) <> 0 then
Result := TListItem{TNT-ALLOW TListItem}(lParam) as TTntListItem
else if iItem >= 0 then
Result := Items[IItem]
else if OwnerData then
Result := FTempItem
else
Result := nil
end;
end;
function TTntCustomListView.OwnerDataFetchW(Item: TListItem{TNT-ALLOW TListItem}; Request: TItemRequest): Boolean;
begin
Result := OwnerDataFetch(Item, Request);
end;
function TTntCustomListView.OwnerDataFetch(Item: TListItem{TNT-ALLOW TListItem}; Request: TItemRequest): Boolean;
begin
if Assigned(OnData) then
begin
OnData(Self, Item);
Result := True;
end
else Result := False;
end;
function TntDefaultListViewSort(Item1, Item2: TTntListItem; lParam: Integer): Integer; stdcall;
begin
Assert(Win32PlatformIsUnicode);
with Item1 do
if Assigned(ListView.OnCompare) then
ListView.OnCompare(ListView, Item1, Item2, lParam, Result)
else Result := lstrcmpw(PWideChar(Item1.Caption), PWideChar(Item2.Caption));
end;
procedure TTntCustomListView.WndProc(var Message: TMessage);
var
Item: TTntListItem;
InheritedItem: TListItem{TNT-ALLOW TListItem};
SubItem: Integer;
SavedItem: TSavedListItem;
PCol: PLVColumn;
Col: TTntListColumn;
begin
with Message do begin
// restore previous values (during CreateWnd)
if (FSavedItems <> nil) and (FChangingWideItemCount = 0) and (Msg = LVM_SETITEMTEXTA) then begin
Item := Items[wParam];
SavedItem := TSavedListItem(FSavedItems[wParam]);
if (Msg = LVM_SETITEMTEXTA) and (PLVItem(lParam).iSubItem = 0) then
Item.FCaption := SavedItem.FCaption
else begin
SubItem := PLVItem(lParam).iSubItem - 1;
TWideSubItems(Item.SubItems).FIgnoreInherited := True;
try
if SubItem < Item.SubItems.Count then begin
Item.SubItems[SubItem] := SavedItem.FSubItems[SubItem];
Item.SubItems.Objects[SubItem] := SavedItem.FSubItems.Objects[SubItem]
end else if SubItem = Item.SubItems.Count then
Item.SubItems.AddObject(SavedItem.FSubItems[SubItem], SavedItem.FSubItems.Objects[SubItem])
else
Item.SubItems.Assign(SavedItem.FSubItems)
finally
TWideSubItems(Item.SubItems).FIgnoreInherited := False;
end;
end;
end;
// sync wide with ansi
if (FSavedItems = nil) and (FChangingWideItemCount = 0) and (Msg = LVM_UPDATE) then begin
Item := Items[wParam];
InheritedItem := Item;
TWideSubItems(Item.SubItems).FIgnoreInherited := True;
try
Item.SubItems.Assign(InheritedItem.SubItems)
finally
TWideSubItems(Item.SubItems).FIgnoreInherited := False;
end;
end;
if (FSavedItems = nil) and (FChangingWideItemCount = 0) and (Msg = LVM_SETITEMTEXTA) then begin
if OwnerData then
Item := FTempItem
else
Item := Items[wParam];
InheritedItem := Item;
if (Msg = LVM_SETITEMTEXTA) and (PLVItem(lParam).iSubItem = 0) then
Item.FCaption := InheritedItem.Caption
else begin
SubItem := PLVItem(lParam).iSubItem - 1;
TWideSubItems(Item.SubItems).FIgnoreInherited := True;
try
if SubItem < Item.SubItems.Count then begin
Item.SubItems[SubItem] := InheritedItem.SubItems[SubItem];
Item.SubItems.Objects[SubItem] := InheritedItem.SubItems.Objects[SubItem]
end else if SubItem = Item.SubItems.Count then
Item.SubItems.AddObject(InheritedItem.SubItems[SubItem], InheritedItem.SubItems.Objects[SubItem])
else
Item.SubItems.Assign(InheritedItem.SubItems)
finally
TWideSubItems(Item.SubItems).FIgnoreInherited := False;
end;
end;
end;
// capture ANSI version of DefaultListViewSort from ComCtrls
if (FTestingForSortProc)
and (Msg = LVM_SORTITEMS) then begin
ComCtrls_DefaultListViewSort := Pointer(lParam);
exit;
end;
if (Msg = LVM_SETCOLUMNA) then begin
// make sure that wide column caption stays in sync with ANSI
PCol := PLVColumn(lParam);
if (PCol.mask and LVCF_TEXT) <> 0 then begin
Col := GetColumnFromTag(wParam);
if (Col <> nil) and (AnsiString(Col.Caption) <> PCol.pszText) then begin
Col.FCaption := PCol.pszText;
end;
end;
end;
if (Win32PlatformIsUnicode)
and (Msg = LVM_SETITEMTEXTA) and (PLVItem(lParam).pszText = LPSTR_TEXTCALLBACK) then
// Unicode:: call wide version of text call back instead
Result := SendMessageW(Handle, LVM_SETITEMTEXTW, WParam, LParam)
else if (Win32PlatformIsUnicode)
and (Msg = LVM_SORTITEMS) and (Pointer(lParam) = @ComCtrls_DefaultListViewSort) then
// Unicode:: call wide version of sort proc instead
Result := SendMessageW(Handle, LVM_SORTITEMS, wParam, Integer(@TntDefaultListViewSort))
else if (Win32PlatformIsUnicode)
and (Msg = LVM_SETCOLUMNA) and ((PLVColumn(lParam).mask and LVCF_TEXT) <> 0)
and (GetColumnFromTag(wParam) <> nil) then begin
PLVColumn(lParam).pszText := PAnsiChar(PWideChar(GetColumnFromTag(wParam).FCaption));
Result := SendMessageW(Handle, LVM_SETCOLUMNW, wParam, lParam);
end else begin
if (Msg = LVM_SETEXTENDEDLISTVIEWSTYLE) and CheckBoxes then begin
{ fix a bug in TCustomListView.ResetExStyles }
lParam := lParam or LVS_EX_SUBITEMIMAGES or LVS_EX_INFOTIP;
end;
inherited;
end;
end;
end;
procedure TTntCustomListView.WMNotify(var Message: TWMNotify);
begin
inherited;
// capture updated info after inherited
with Message.NMHdr^ do
case code of
HDN_ENDTRACKW:
begin
Message.NMHdr^.code := HDN_ENDTRACKA;
try
inherited
finally
Message.NMHdr^.code := HDN_ENDTRACKW;
end;
end;
HDN_DIVIDERDBLCLICKW:
begin
Message.NMHdr^.code := HDN_DIVIDERDBLCLICKA;
try
inherited
finally
Message.NMHdr^.code := HDN_DIVIDERDBLCLICKW;
end;
end;
end;
end;
procedure TTntCustomListView.CNNotify(var Message: TWMNotify);
var
Item: TTntListItem;
begin
if (not Win32PlatformIsUnicode) then
inherited
else begin
with Message do
begin
case NMHdr^.code of
HDN_TRACKW:
begin
NMHdr^.code := HDN_TRACKA;
try
inherited;
finally
NMHdr^.code := HDN_TRACKW;
end;
end;
LVN_GETDISPINFOW:
begin
// call inherited without the LVIF_TEXT flag
CurrentDispInfo := PLVDispInfoW(NMHdr);
try
OriginalDispInfoMask := PLVDispInfoW(NMHdr)^.item.mask;
PLVDispInfoW(NMHdr)^.item.mask := PLVDispInfoW(NMHdr)^.item.mask and (not LVIF_TEXT);
try
NMHdr^.code := LVN_GETDISPINFOA;
try
inherited;
finally
NMHdr^.code := LVN_GETDISPINFOW;
end;
finally
if (OriginalDispInfoMask and LVIF_TEXT <> 0) then
PLVDispInfoW(NMHdr)^.item.mask := PLVDispInfoW(NMHdr)^.item.mask or LVIF_TEXT;
end;
finally
CurrentDispInfo := nil;
end;
// handle any text info
with PLVDispInfoW(NMHdr)^.item do
begin
if (mask and LVIF_TEXT) <> 0 then
begin
Item := GetItemW(PLVDispInfoW(NMHdr)^.item);
if iSubItem = 0 then
WStrLCopy(pszText, PWideChar(Item.Caption), cchTextMax - 1)
else begin
with Item.SubItems do begin
if iSubItem <= Count then
WStrLCopy(pszText, PWideChar(Strings[iSubItem - 1]), cchTextMax - 1)
else pszText[0] := #0;
end;
end;
end;
end;
end;
LVN_ODFINDITEMW:
with PNMLVFindItem(NMHdr)^ do
begin
if ((lvfi.flags and LVFI_PARTIAL) <> 0) or ((lvfi.flags and LVFI_STRING) <> 0) then
PWideFindString := TLVFindInfoW(lvfi).psz
else
PWideFindString := nil;
lvfi.psz := nil;
NMHdr^.code := LVN_ODFINDITEMA;
try
inherited; {will Result in call to OwnerDataFind}
finally
TLVFindInfoW(lvfi).psz := PWideFindString;
NMHdr^.code := LVN_ODFINDITEMW;
PWideFindString := nil;
end;
end;
LVN_BEGINLABELEDITW:
begin
Item := GetItemW(PLVDispInfoW(NMHdr)^.item);
if not CanEdit(Item) then Result := 1;
if Result = 0 then
begin
FEditHandle := ListView_GetEditControl(Handle);
FDefEditProc := Pointer(GetWindowLongW(FEditHandle, GWL_WNDPROC));
SetWindowLongW(FEditHandle, GWL_WNDPROC, LongInt(FEditInstance));
end;
end;
LVN_ENDLABELEDITW:
with PLVDispInfoW(NMHdr)^ do
if (item.pszText <> nil) and (item.IItem <> -1) then
Edit(TLVItemA(item));
LVN_GETINFOTIPW:
begin
NMHdr^.code := LVN_GETINFOTIPA;
try
inherited;
finally
NMHdr^.code := LVN_GETINFOTIPW;
end;
end;
else
inherited;
end;
end;
end;
end;
function TTntCustomListView.OwnerDataFindW(Find: TItemFind;
const FindString: WideString; const FindPosition: TPoint;
FindData: Pointer; StartIndex: Integer; Direction: TSearchDirection;
Wrap: Boolean): Integer;
begin
Result := OwnerDataFind(Find, FindString, FindPosition, FindData, StartIndex, Direction, Wrap);
end;
function TTntCustomListView.OwnerDataFind(Find: TItemFind; const FindString: WideString;
const FindPosition: TPoint; FindData: Pointer; StartIndex: Integer;
Direction: TSearchDirection; Wrap: Boolean): Integer;
var
AnsiEvent: TLVOwnerDataFindEvent;
begin
Result := -1;
if Assigned(OnDataFind) then
OnDataFind(Self, Find, FindString, FindPosition, FindData, StartIndex, Direction, Wrap, Result)
else if Assigned(inherited OnDataFind) then begin
AnsiEvent := inherited OnDataFind;
AnsiEvent(Self, Find, FindString, FindPosition, FindData, StartIndex, Direction,
Wrap, Result);
end;
end;
procedure TTntCustomListView.Edit(const Item: TLVItem);
var
S: WideString;
AnsiS: AnsiString;
EditItem: TTntListItem;
AnsiEvent: TLVEditedEvent;
begin
if (not Win32PlatformIsUnicode) then
S := Item.pszText
else
S := TLVItemW(Item).pszText;
EditItem := GetItemW(TLVItemW(Item));
if Assigned(OnEdited) then
OnEdited(Self, EditItem, S)
else if Assigned(inherited OnEdited) then
begin
AnsiEvent := inherited OnEdited;
AnsiS := S;
AnsiEvent(Self, EditItem, AnsiS);
S := AnsiS;
end;
if EditItem <> nil then
EditItem.Caption := S;
end;
procedure TTntCustomListView.EditWndProcW(var Message: TMessage);
begin
Assert(Win32PlatformIsUnicode);
try
with Message do
begin
case Msg of
WM_KEYDOWN,
WM_SYSKEYDOWN: if DoKeyDown(TWMKey(Message)) then Exit;
WM_CHAR:
begin
MakeWMCharMsgSafeForAnsi(Message);
try
if DoKeyPress(TWMKey(Message)) then Exit;
finally
RestoreWMCharMsg(Message);
end;
end;
WM_KEYUP,
WM_SYSKEYUP: if DoKeyUp(TWMKey(Message)) then Exit;
CN_KEYDOWN,
CN_CHAR, CN_SYSKEYDOWN,
CN_SYSCHAR:
begin
WndProc(Message);
Exit;
end;
end;
Result := CallWindowProcW(FDefEditProc, FEditHandle, Msg, WParam, LParam);
end;
except
Application.HandleException(Self);
end;
end;
procedure TTntCustomListView.BeginChangingWideItem;
begin
Inc(FChangingWideItemCount);
end;
procedure TTntCustomListView.EndChangingWideItem;
begin
if FChangingWideItemCount > 0 then
Dec(FChangingWideItemCount);
end;
procedure TTntCustomListView.DrawItem(Item: TListItem{TNT-ALLOW TListItem}; Rect: TRect;
State: TOwnerDrawState);
begin
TControlCanvas(Canvas).UpdateTextFlags;
if Assigned(OnDrawItem) then OnDrawItem(Self, Item, Rect, State)
else
begin
Canvas.FillRect(Rect);
WideCanvasTextOut(Canvas, Rect.Left + 2, Rect.Top, Item.Caption);
end;
end;
procedure TTntCustomListView.CopySelection(Destination: TCustomListControl);
var
I: Integer;
begin
for I := 0 to Items.Count - 1 do
if Items[I].Selected then
WideListControl_AddItem(Destination, Items[I].Caption, Items[I].Data);
end;
procedure TTntCustomListView.AddItem(const Item: WideString; AObject: TObject);
begin
with Items.Add do
begin
Caption := Item;
Data := AObject;
end;
end;
//-------------
function TTntCustomListView.FindCaption(StartIndex: Integer; Value: WideString;
Partial, Inclusive, Wrap: Boolean): TTntListItem;
const
FullString: array[Boolean] of Integer = (0, LVFI_PARTIAL);
Wraps: array[Boolean] of Integer = (0, LVFI_WRAP);
var
Info: TLVFindInfoW;
Index: Integer;
begin
if (not Win32PlatformIsUnicode) then
Result := inherited FindCaption(StartIndex, Value, Partial, Inclusive, Wrap) as TTntListItem
else begin
with Info do
begin
flags := LVFI_STRING or FullString[Partial] or Wraps[Wrap];
psz := PWideChar(Value);
end;
if Inclusive then Dec(StartIndex);
Index := SendMessageW(Handle, LVM_FINDITEMW, StartIndex, Longint(@Info));
if Index <> -1 then Result := Items[Index]
else Result := nil;
end;
end;
function TTntCustomListView.StringWidth(S: WideString): Integer;
begin
if (not Win32PlatformIsUnicode) then
Result := inherited StringWidth(S)
else
Result := SendMessageW(Handle, LVM_GETSTRINGWIDTHW, 0, Longint(PWideChar(S)))
end;
function TTntCustomListView.GetSearchString: WideString;
var
Buffer: array[0..1023] of WideChar;
begin
if (not Win32PlatformIsUnicode) then
Result := inherited GetSearchString
else begin
Result := '';
if HandleAllocated
and Bool(SendMessageW(Handle, LVM_GETISEARCHSTRINGW, 0, Longint(PWideChar(@Buffer[0])))) then
Result := Buffer;
end;
end;
function TTntCustomListView.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
function TTntCustomListView.GetHint: WideString;
begin
Result := TntControl_GetHint(Self)
end;
procedure TTntCustomListView.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
procedure TTntCustomListView.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntCustomListView.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
{ TTntToolButton }
procedure TTntToolButton.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
procedure TTntToolButton.CMVisibleChanged(var Message: TMessage);
begin
inherited;
RefreshControl;
end;
function TTntToolButton.GetCaption: TWideCaption;
begin
Result := TntControl_GetText(Self);
end;
procedure TTntToolButton.SetCaption(const Value: TWideCaption);
begin
TntControl_SetText(Self, Value);
RefreshControl; { causes button to be removed and reinserted with TB_INSERTBUTTON }
end;
function TTntToolButton.IsCaptionStored: Boolean;
begin
Result := TntControl_IsCaptionStored(Self)
end;
function TTntToolButton.GetHint: WideString;
begin
Result := TntControl_GetHint(Self)
end;
procedure TTntToolButton.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
function TTntToolButton.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self)
end;
procedure TTntToolButton.CMHintShow(var Message: TMessage);
begin
ProcessCMHintShowMsg(Message);
inherited;
end;
procedure TTntToolButton.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntToolButton.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
function TTntToolButton.GetMenuItem: TMenuItem{TNT-ALLOW TMenuItem};
begin
Result := inherited MenuItem;
end;
procedure TTntToolButton.SetMenuItem(const Value: TMenuItem{TNT-ALLOW TMenuItem});
begin
inherited MenuItem := Value;
if Value is TTntMenuItem then begin
Caption := TTntMenuItem(Value).Caption;
Hint := TTntMenuItem(Value).Hint;
end;
end;
{ TTntToolBar }
procedure TTntToolBar.CreateWindowHandle(const Params: TCreateParams);
begin
CreateUnicodeHandle_ComCtl(Self, Params, TOOLBARCLASSNAME);
end;
procedure TTntToolBar.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
procedure TTntToolBar.TBInsertButtonA(var Message: TMessage);
var
Button: TTntToolButton;
Buffer: WideString;
begin
if Win32PlatformIsUnicode
and (PTBButton(Message.LParam).iString <> -1)
and (Buttons[Message.WParam] is TTntToolButton) then
begin
Button := TTntToolButton(Buttons[Message.WParam]);
Buffer := Button.Caption + WideChar(#0);
PTBButton(Message.LParam).iString :=
SendMessage(Handle, TB_ADDSTRINGW, 0, Integer(PWideChar(Buffer)));
end;
inherited;
end;
{ Need to read/write caption ourselves - default wndproc seems to discard it. }
procedure TTntToolBar.WMGetText(var Message: TWMGetText);
begin
if (not Win32PlatformIsUnicode) or (WindowHandle = 0) then
inherited
else
with Message do
Result := WStrLen(WStrLCopy(PWideChar(Text), PWideChar(FCaption), TextMax - 1));
end;
procedure TTntToolBar.WMGetTextLength(var Message: TWMGetTextLength);
begin
if (not Win32PlatformIsUnicode) or (WindowHandle = 0) then
inherited
else
Message.Result := Length(FCaption);
end;
procedure TTntToolBar.WMSetText(var Message: TWMSetText);
begin
if (not Win32PlatformIsUnicode) or (WindowHandle = 0) then
inherited
else
with Message do
SetString(FCaption, PWideChar(Text), WStrLen(PWideChar(Text)));
end;
function TTntToolBar.GetCaption: WideString;
begin
Result := TntControl_GetText(Self);
end;
procedure TTntToolBar.SetCaption(const Value: WideString);
begin
TntControl_SetText(Self, Value);
end;
function TTntToolBar.IsCaptionStored: Boolean;
begin
Result := TntControl_IsCaptionStored(Self);
end;
function TTntToolBar.GetHint: WideString;
begin
Result := TntControl_GetHint(Self);
end;
procedure TTntToolBar.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
function TTntToolBar.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
procedure TTntToolBar.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntToolBar.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
function TTntToolBar.GetMenu: TMainMenu{TNT-ALLOW TMainMenu};
begin
Result := inherited Menu;
end;
procedure TTntToolBar.SetMenu(const Value: TMainMenu{TNT-ALLOW TMainMenu});
var
I: Integer;
begin
if (Menu <> Value) then begin
inherited Menu := Value;
if Assigned(Menu) then begin
// get rid of TToolButton(s)
for I := ButtonCount - 1 downto 0 do
Buttons[I].Free;
// add TTntToolButton(s)
for I := Menu.Items.Count - 1 downto 0 do
begin
with TTntToolButton.Create(Self) do
try
AutoSize := True;
Grouped := True;
Parent := Self;
MenuItem := Menu.Items[I];
except
Free;
raise;
end;
end;
end;
end;
end;
{ TTntRichEditStrings }
type
TTntRichEditStrings = class(TTntMemoStrings)
private
RichEdit: TCustomRichEdit{TNT-ALLOW TCustomRichEdit};
procedure EnableChange(const Value: Boolean);
protected
procedure SetTextStr(const Value: WideString); override;
public
constructor Create;
procedure AddStrings(Strings: TWideStrings); overload; override;
//--
procedure LoadFromStream_BOM(Stream: TStream; WithBOM: Boolean); override;
procedure SaveToStream_BOM(Stream: TStream; WithBOM: Boolean); override;
procedure LoadFromFile(const FileName: WideString); override;
procedure SaveToFile(const FileName: WideString); override;
end;
constructor TTntRichEditStrings.Create;
begin
inherited Create;
FRichEditMode := True;
end;
procedure TTntRichEditStrings.AddStrings(Strings: TWideStrings);
var
SelChange: TNotifyEvent;
begin
SelChange := TTntCustomRichEdit(RichEdit).OnSelectionChange;
TTntCustomRichEdit(RichEdit).OnSelectionChange := nil;
try
inherited;
finally
TTntCustomRichEdit(RichEdit).OnSelectionChange := SelChange;
end;
end;
procedure TTntRichEditStrings.EnableChange(const Value: Boolean);
var
EventMask: Longint;
begin
with RichEdit do
begin
if Value then
EventMask := SendMessage(Handle, EM_GETEVENTMASK, 0, 0) or ENM_CHANGE
else
EventMask := SendMessage(Handle, EM_GETEVENTMASK, 0, 0) and not ENM_CHANGE;
SendMessage(Handle, EM_SETEVENTMASK, 0, EventMask);
end;
end;
procedure TTntRichEditStrings.SetTextStr(const Value: WideString);
begin
EnableChange(False);
try
inherited;
finally
EnableChange(True);
end;
end;
type TAccessCustomRichEdit = class(TCustomRichEdit{TNT-ALLOW TCustomRichEdit});
procedure TTntRichEditStrings.LoadFromStream_BOM(Stream: TStream; WithBOM: Boolean);
begin
if TAccessCustomRichEdit(RichEdit).PlainText then
inherited LoadFromStream_BOM(Stream, WithBOM)
else
TAccessCustomRichEdit(RichEdit).Lines.LoadFromStream(Stream);
end;
procedure TTntRichEditStrings.SaveToStream_BOM(Stream: TStream; WithBOM: Boolean);
begin
if TAccessCustomRichEdit(RichEdit).PlainText then
inherited SaveToStream_BOM(Stream, WithBOM)
else
TAccessCustomRichEdit(RichEdit).Lines.SaveToStream(Stream);
end;
procedure TTntRichEditStrings.LoadFromFile(const FileName: WideString);
begin
if TAccessCustomRichEdit(RichEdit).PlainText then
inherited LoadFromFile(FileName)
else
TAccessCustomRichEdit(RichEdit).Lines.LoadFromFile(FileName);
end;
procedure TTntRichEditStrings.SaveToFile(const FileName: WideString);
begin
if TAccessCustomRichEdit(RichEdit).PlainText then
inherited SaveToFile(FileName)
else
TAccessCustomRichEdit(RichEdit).Lines.SaveToFile(FileName);
end;
{ TTntCustomRichEdit }
constructor TTntCustomRichEdit.Create(AOwner: TComponent);
begin
inherited;
FRichEditStrings := TTntRichEditStrings.Create;
TTntRichEditStrings(FRichEditStrings).FMemo := Self;
TTntRichEditStrings(FRichEditStrings).FMemoLines := TAccessCustomRichEdit(Self).Lines;
TTntRichEditStrings(FRichEditStrings).FLineBreakStyle := Self.LineBreakStyle;
TTntRichEditStrings(FRichEditStrings).RichEdit := Self;
end;
var
FRichEdit20Module: THandle = 0;
function IsRichEdit20Available: Boolean;
const
RICHED20_DLL = 'RICHED20.DLL';
begin
if FRichEdit20Module = 0 then
FRichEdit20Module := Tnt_LoadLibraryW(RICHED20_DLL);
Result := FRichEdit20Module <> 0;
end;
{function IsRichEdit30Available: Boolean;
begin
Result := False;
exit;
Result := IsRichEdit20Available and (Win32MajorVersion >= 5);
end;}
procedure TTntCustomRichEdit.CreateParams(var Params: TCreateParams);
begin
inherited CreateParams(Params);
if WordWrap then
Params.Style := Params.Style and not WS_HSCROLL; // more compatible with RichEdit 1.0
end;
procedure TTntCustomRichEdit.CreateWindowHandle(const Params: TCreateParams);
begin
if Win32PlatformIsUnicode and IsRichEdit20Available then
CreateUnicodeHandle(Self, Params, RICHEDIT_CLASSW)
else
inherited
end;
var
AIMM: IActiveIMMApp = nil;
function EnableActiveIMM: Boolean;
begin
if AIMM <> nil then
Result := True
else begin
Result := False;
try
if ClassIsRegistered(CLASS_CActiveIMM) then begin
AIMM := CoCActiveIMM.Create;
AIMM.Activate(1);
Result := True;
end;
except
AIMM := nil;
end;
end;
end;
procedure TTntCustomRichEdit.CreateWnd;
const
EM_SETEDITSTYLE = WM_USER + 204;
SES_USEAIMM = 64;
begin
inherited;
// Only supported in RichEdit 3.0, but this flag is harmless to RichEdit1.0 or RichEdit 2.0
if EnableActiveIMM then
SendMessage(Handle, EM_SETEDITSTYLE, SES_USEAIMM, SES_USEAIMM);
end;
procedure TTntCustomRichEdit.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
destructor TTntCustomRichEdit.Destroy;
begin
FreeAndNil(FRichEditStrings);
inherited;
end;
procedure TTntCustomRichEdit.KeyDown(var Key: Word; Shift: TShiftState);
begin
inherited;
if (not WantReturns) and (Key = VK_RETURN) and (Shift <> [ssCtrl]) then
Key := 0;
end;
function TTntCustomRichEdit.LineBreakStyle: TTntTextLineBreakStyle;
begin
if Win32PlatformIsUnicode and IsRichEdit20Available then
Result := tlbsCR
else
Result := tlbsCRLF;
end;
procedure TTntCustomRichEdit.SetRichEditStrings(const Value: TTntStrings);
begin
FRichEditStrings.Assign(Value);
end;
function TTntCustomRichEdit.GetSelText: string{TNT-ALLOW string};
begin
Result := GetWideSelText;
end;
function TTntCustomRichEdit.GetWideSelText: WideString;
var
CharRange: TCharRange;
Length: Integer;
begin
if (not IsWindowUnicode(Handle)) then
Result := inherited GetSelText
else begin
SendMessageW(Handle, EM_EXGETSEL, 0, Longint(@CharRange));
SetLength(Result, CharRange.cpMax - CharRange.cpMin + 1);
Length := SendMessageW(Handle, EM_GETSELTEXT, 0, Longint(PWideChar(Result)));
SetLength(Result, Length);
end;
if LineBreakStyle <> tlbsCRLF then
Result := TntAdjustLineBreaks(Result, tlbsCRLF)
end;
type
TSetTextEx = record
flags:dword;
codepage:uint;
end;
procedure TTntCustomRichEdit.SetRTFText(Flags: DWORD; const Value: AnsiString);
const
EM_SETTEXTEX = (WM_USER + 97);
var
Info: TSetTextEx;
begin
Info.flags := Flags;
Info.codepage := CP_ACP{TNT-ALLOW CP_ACP};
SendMessage(Handle, EM_SETTEXTEX, Integer(@Info), Integer(PAnsiChar(Value)));
end;
procedure TTntCustomRichEdit.SetWideSelText(const Value: WideString);
const
ST_SELECTION = 2;
begin
if Win32PlatformIsUnicode and IsRichEdit20Available and IsRTF(Value) then begin
// emulate RichEdit 1.0 so that RTF code is inserted as RTF (not plain text)
SetRTFText(ST_SELECTION, Value)
end else
TntCustomEdit_SetSelText(Self, TntAdjustLineBreaks(Value, LineBreakStyle));
end;
function TTntCustomRichEdit.GetText: WideString;
begin
Result := TntControl_GetText(Self);
if (LineBreakStyle <> tlbsCRLF) then
Result := TntAdjustLineBreaks(Result, tlbsCRLF);
end;
procedure TTntCustomRichEdit.SetText(const Value: WideString);
const
ST_DEFAULT = 0;
begin
if Win32PlatformIsUnicode and IsRichEdit20Available and IsRTF(Value) then begin
// emulate RichEdit 1.0 so that RTF code is inserted as RTF (not plain text)
SetRTFText(ST_DEFAULT, Value)
end else if Value <> Text then
TntControl_SetText(Self, TntAdjustLineBreaks(Value, LineBreakStyle));
end;
function TTntCustomRichEdit.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
function TTntCustomRichEdit.GetHint: WideString;
begin
Result := TntControl_GetHint(Self);
end;
procedure TTntCustomRichEdit.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
procedure TTntCustomRichEdit.WMGetTextLength(var Message: TWMGetTextLength);
begin
if FPrintingTextLength <> 0 then
Message.Result := FPrintingTextLength
else
inherited;
end;
procedure TTntCustomRichEdit.Print(const Caption: string{TNT-ALLOW string});
begin
if (LineBreakStyle <> tlbsCRLF) then
FPrintingTextLength := TntAdjustLineBreaksLength(Text, LineBreakStyle)
else
FPrintingTextLength := 0;
try
inherited
finally
FPrintingTextLength := 0;
end;
end;
{$WARN SYMBOL_DEPRECATED OFF}
function TTntCustomRichEdit.CharPosToGet(RawWin32CharPos: Integer): Integer;
begin
Result := EmulatedCharPos(RawWin32CharPos);
end;
function TTntCustomRichEdit.CharPosToSet(EmulatedCharPos: Integer): Integer;
begin
Result := RawWin32CharPos(EmulatedCharPos);
end;
{$WARN SYMBOL_DEPRECATED ON}
function TTntCustomRichEdit.EmulatedCharPos(RawWin32CharPos: Integer): Integer;
var
i: Integer;
ThisLine: Integer;
CharCount: Integer;
Line_Start: Integer;
NumLineBreaks: Integer;
begin
if (LineBreakStyle = tlbsCRLF) or (RawWin32CharPos <= 0) then
Result := RawWin32CharPos
else begin
Assert(Win32PlatformIsUnicode);
ThisLine := SendMessageW(Handle, EM_EXLINEFROMCHAR, 0, RawWin32CharPos);
if (not WordWrap) then
NumLineBreaks := ThisLine
else begin
CharCount := 0;
for i := 0 to ThisLine - 1 do
Inc(CharCount, TntMemo_LineLength(Handle, i));
Line_Start := TntMemo_LineStart(Handle, ThisLine);
NumLineBreaks := Line_Start - CharCount;
end;
Result := RawWin32CharPos + NumLineBreaks; {inflate CR -> CR/LF}
end;
end;
function TTntCustomRichEdit.RawWin32CharPos(EmulatedCharPos: Integer): Integer;
var
Line: Integer;
NumLineBreaks: Integer;
CharCount: Integer;
Line_Start: Integer;
LineLength: Integer;
begin
if (LineBreakStyle = tlbsCRLF) or (EmulatedCharPos <= 0) then
Result := EmulatedCharPos
else begin
Assert(Win32PlatformIsUnicode);
NumLineBreaks := 0;
CharCount := 0;
for Line := 0 to Lines.Count do begin
Line_Start := TntMemo_LineStart(Handle, Line);
if EmulatedCharPos < (Line_Start + NumLineBreaks) then
break; {found it (it must have been the line separator)}
if Line_Start > CharCount then begin
Inc(NumLineBreaks);
Inc(CharCount);
end;
LineLength := TntMemo_LineLength(Handle, Line, Line_Start);
Inc(CharCount, LineLength);
if (EmulatedCharPos >= (Line_Start + NumLineBreaks))
and (EmulatedCharPos < (Line_Start + LineLength + NumLineBreaks)) then
break; {found it}
end;
Result := EmulatedCharPos - NumLineBreaks; {deflate CR/LF -> CR}
end;
end;
function TTntCustomRichEdit.FindText(const SearchStr: WideString;
StartPos, Length: Integer; Options: TSearchTypes): Integer;
const
EM_FINDTEXTEXW = WM_USER + 124;
const
FR_DOWN = $00000001;
FR_WHOLEWORD = $00000002;
FR_MATCHCASE = $00000004;
var
Find: TFindTextW;
Flags: Integer;
begin
if (not Win32PlatformIsUnicode) then
Result := inherited FindText(SearchStr, StartPos, Length, Options)
else begin
with Find.chrg do
begin
cpMin := RawWin32CharPos(StartPos);
cpMax := RawWin32CharPos(StartPos + Length);
end;
Flags := FR_DOWN; { RichEdit 2.0 and later needs this }
if stWholeWord in Options then Flags := Flags or FR_WHOLEWORD;
if stMatchCase in Options then Flags := Flags or FR_MATCHCASE;
Find.lpstrText := PWideChar(SearchStr);
Result := SendMessageW(Handle, EM_FINDTEXT, Flags, LongInt(@Find));
Result := EmulatedCharPos(Result);
end;
end;
function TTntCustomRichEdit.GetSelStart: Integer;
begin
Result := TntCustomEdit_GetSelStart(Self);
Result := EmulatedCharPos(Result);
end;
procedure TTntCustomRichEdit.SetSelStart(const Value: Integer);
begin
TntCustomEdit_SetSelStart(Self, RawWin32CharPos(Value));
end;
function TTntCustomRichEdit.GetSelLength: Integer;
var
CharRange: TCharRange;
begin
if (LineBreakStyle = tlbsCRLF) then
Result := TntCustomEdit_GetSelLength(Self)
else begin
Assert(Win32PlatformIsUnicode);
SendMessageW(Handle, EM_EXGETSEL, 0, Longint(@CharRange));
Result := EmulatedCharPos(CharRange.cpMax) - EmulatedCharPos(CharRange.cpMin);
end;
end;
procedure TTntCustomRichEdit.SetSelLength(const Value: Integer);
var
StartPos: Integer;
SelEnd: Integer;
begin
if (LineBreakStyle = tlbsCRLF) then
TntCustomEdit_SetSelLength(Self, Value)
else begin
StartPos := Self.SelStart;
SelEnd := StartPos + Value;
inherited SetSelLength(RawWin32CharPos(SelEnd) - RawWin32CharPos(StartPos));
end;
end;
procedure TTntCustomRichEdit.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntCustomRichEdit.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
{ TTntTabStrings }
type TAccessCustomTabControl = class(TCustomTabControl{TNT-ALLOW TCustomTabControl});
type
TTntTabStrings = class(TTntStrings)
private
FTabControl: TCustomTabControl{TNT-ALLOW TCustomTabControl};
FAnsiTabs: TStrings{TNT-ALLOW TStrings};
protected
function Get(Index: Integer): WideString; override;
function GetCount: Integer; override;
function GetObject(Index: Integer): TObject; override;
procedure Put(Index: Integer; const S: WideString); override;
procedure PutObject(Index: Integer; AObject: TObject); override;
procedure SetUpdateState(Updating: Boolean); override;
public
procedure Clear; override;
procedure Delete(Index: Integer); override;
procedure Insert(Index: Integer; const S: WideString); override;
end;
procedure TabControlError(const S: WideString);
begin
raise EListError.Create(S);
end;
procedure TTntTabStrings.Clear;
begin
FAnsiTabs.Clear;
end;
procedure TTntTabStrings.Delete(Index: Integer);
begin
FAnsiTabs.Delete(Index);
end;
function TTntTabStrings.GetCount: Integer;
begin
Result := FAnsiTabs.Count;
end;
function TTntTabStrings.GetObject(Index: Integer): TObject;
begin
Result := FAnsiTabs.Objects[Index];
end;
procedure TTntTabStrings.PutObject(Index: Integer; AObject: TObject);
begin
FAnsiTabs.Objects[Index] := AObject;
end;
procedure TTntTabStrings.SetUpdateState(Updating: Boolean);
begin
inherited;
TAccessStrings(FAnsiTabs).SetUpdateState(Updating);
end;
function TTntTabStrings.Get(Index: Integer): WideString;
const
RTL: array[Boolean] of LongInt = (0, TCIF_RTLREADING);
var
TCItem: TTCItemW;
Buffer: array[0..4095] of WideChar;
begin
if (not Win32PlatformIsUnicode) then
Result := FAnsiTabs[Index]
else begin
TCItem.mask := TCIF_TEXT or RTL[FTabControl.UseRightToLeftReading];
TCItem.pszText := Buffer;
TCItem.cchTextMax := SizeOf(Buffer);
if SendMessageW(FTabControl.Handle, TCM_GETITEMW, Index, Longint(@TCItem)) = 0 then
TabControlError(WideFormat(sTabFailRetrieve, [Index]));
Result := Buffer;
end;
end;
function GetTabControlImageIndex(Self: TCustomTabControl{TNT-ALLOW TCustomTabControl}; TabIndex: Integer): Integer;
begin
Result := TabIndex;
with TAccessCustomTabControl(Self) do
if Assigned(OnGetImageIndex) then OnGetImageIndex(Self, TabIndex, Result);
end;
procedure TTntTabStrings.Put(Index: Integer; const S: WideString);
const
RTL: array[Boolean] of LongInt = (0, TCIF_RTLREADING);
var
TCItem: TTCItemW;
begin
if (not Win32PlatformIsUnicode) then
FAnsiTabs[Index] := S
else begin
TCItem.mask := TCIF_TEXT or RTL[FTabControl.UseRightToLeftReading] or TCIF_IMAGE;
TCItem.pszText := PWideChar(S);
TCItem.iImage := GetTabControlImageIndex(FTabControl, Index);
if SendMessageW(FTabControl.Handle, TCM_SETITEMW, Index, Longint(@TCItem)) = 0 then
TabControlError(WideFormat(sTabFailSet, [S, Index]));
TAccessCustomTabControl(FTabControl).UpdateTabImages;
end;
end;
procedure TTntTabStrings.Insert(Index: Integer; const S: WideString);
const
RTL: array[Boolean] of LongInt = (0, TCIF_RTLREADING);
var
TCItem: TTCItemW;
begin
if (not Win32PlatformIsUnicode) then
FAnsiTabs.Insert(Index, S)
else begin
TCItem.mask := TCIF_TEXT or RTL[FTabControl.UseRightToLeftReading] or TCIF_IMAGE;
TCItem.pszText := PWideChar(S);
TCItem.iImage := GetTabControlImageIndex(FTabControl, Index);
if SendMessageW(FTabControl.Handle, TCM_INSERTITEMW, Index, Longint(@TCItem)) < 0 then
TabControlError(WideFormat(sTabFailSet, [S, Index]));
TAccessCustomTabControl(FTabControl).UpdateTabImages;
end;
end;
{ TTntCustomTabControl }
constructor TTntCustomTabControl.Create(AOwner: TComponent);
begin
inherited;
FTabs := TTntTabStrings.Create;
TTntTabStrings(FTabs).FTabControl := Self;
TTntTabStrings(FTabs).FAnsiTabs := inherited Tabs;
end;
destructor TTntCustomTabControl.Destroy;
begin
TTntTabStrings(FTabs).FTabControl := nil;
TTntTabStrings(FTabs).FAnsiTabs := nil;
FreeAndNil(FTabs);
FreeAndNil(FSaveTabs);
inherited;
end;
procedure TTntCustomTabControl.CreateWindowHandle(const Params: TCreateParams);
begin
CreateUnicodeHandle_ComCtl(Self, Params, WC_TABCONTROL);
end;
procedure TTntCustomTabControl.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
procedure TTntCustomTabControl.CreateWnd;
begin
inherited;
if FSaveTabs <> nil then
begin
FTabs.Assign(FSaveTabs);
FreeAndNil(FSaveTabs);
TabIndex := FSaveTabIndex;
end;
end;
procedure TTntCustomTabControl.DestroyWnd;
begin
if (FTabs <> nil) and (FTabs.Count > 0) then
begin
FSaveTabs := TTntStringList.Create;
FSaveTabs.Assign(FTabs);
FSaveTabIndex := TabIndex;
end;
inherited;
end;
function TTntCustomTabControl.GetTabs: TTntStrings;
begin
if FSaveTabs <> nil then
Result := FSaveTabs // Use FSaveTabs while the window is deallocated
else
Result := FTabs;
end;
procedure TTntCustomTabControl.SetTabs(const Value: TTntStrings);
begin
FTabs.Assign(Value);
end;
function TTntCustomTabControl.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
function TTntCustomTabControl.GetHint: WideString;
begin
Result := TntControl_GetHint(Self);
end;
procedure TTntCustomTabControl.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
procedure TTntCustomTabControl.CMDialogChar(var Message: TCMDialogChar);
var
I: Integer;
begin
for I := 0 to Tabs.Count - 1 do
if IsWideCharAccel(Message.CharCode, Tabs[I]) and CanShowTab(I) and CanFocus then
begin
Message.Result := 1;
if CanChange then
begin
TabIndex := I;
Change;
end;
Exit;
end;
Broadcast(Message);
end;
procedure TTntCustomTabControl.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntCustomTabControl.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
{ TTntTabSheet }
procedure TTntTabSheet.CreateWindowHandle(const Params: TCreateParams);
begin
CreateUnicodeHandle(Self, Params, '');
end;
function TTntTabSheet.IsCaptionStored: Boolean;
begin
Result := TntControl_IsCaptionStored(Self);
end;
function TTntTabSheet.GetCaption: TWideCaption;
begin
Result := TntControl_GetText(Self);
end;
procedure TTntTabSheet.SetCaption(const Value: TWideCaption);
begin
TntControl_SetText(Self, Value);
end;
procedure TTntTabSheet.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
function TTntTabSheet.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
function TTntTabSheet.GetHint: WideString;
begin
Result := TntControl_GetHint(Self);
end;
procedure TTntTabSheet.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
procedure TTntTabSheet.WMSetText(var Message: TWMSetText);
begin
if (not Win32PlatformIsUnicode)
or (HandleAllocated)
or (Message.Text = AnsiString(TntControl_GetText(Self)))
or (Force_Inherited_WMSETTEXT) then
inherited
else begin
// NT, handle not allocated and text is different
Force_Inherited_WMSETTEXT := True;
try
TntControl_SetText(Self, Message.Text) { sync WideCaption with ANSI Caption }
finally
Force_Inherited_WMSETTEXT := FALSE;
end;
end;
end;
procedure TTntTabSheet.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntTabSheet.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
{ TTntPageControl }
procedure TTntPageControl.CreateWindowHandle(const Params: TCreateParams);
begin
CreateUnicodeHandle_ComCtl(Self, Params, WC_TABCONTROL);
end;
procedure TTntPageControl.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
function TTntPageControl.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
function TTntPageControl.GetHint: WideString;
begin
Result := TntControl_GetHint(Self);
end;
procedure TTntPageControl.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
procedure TTntPageControl.WndProc(var Message: TMessage);
const
RTL: array[Boolean] of Cardinal = (0, TCIF_RTLREADING);
var
TCItemA: PTCItemA;
TabSheet: TTabSheet{TNT-ALLOW TTabSheet};
Text: WideString;
begin
if (not Win32PlatformIsUnicode) then
inherited
else begin
case Message.Msg of
TCM_SETITEMA:
begin
TCItemA := PTCItemA(Message.lParam);
if ((TCItemA.mask and TCIF_PARAM) = TCIF_PARAM) then
TabSheet := TObject(TCItemA.lParam) as TTabSheet{TNT-ALLOW TTabSheet}
else if ((TCItemA.mask and TCIF_TEXT) = TCIF_TEXT)
and (Message.wParam >= 0) and (Message.wParam <= Tabs.Count - 1) then
TabSheet := Tabs.Objects[Message.wParam] as TTabSheet{TNT-ALLOW TTabSheet}
else
TabSheet := nil;
if TabSheet = nil then begin
// will always be followed by TCM_SETITEMA(TCIF_PARAM) if TCIF_TEXT is present
TCItemA.mask := TCItemA.mask and (not TCIF_TEXT);
end else begin
// convert message to unicode, add text
Message.Msg := TCM_SETITEMW;
TCItemA.mask := TCItemA.mask or TCIF_TEXT or RTL[UseRightToLeftReading];
if TabSheet is TTntTabSheet then
Text := TTntTabSheet(TabSheet).Caption
else
Text := TabSheet.Caption;
TCItemA.pszText := PAnsiChar(PWideChar(Text));
end;
end;
TCM_INSERTITEMA:
begin
TCItemA := PTCItemA(Message.lParam);
// will always be followed by TCM_SETITEMA(TCIF_PARAM) if TCIF_TEXT is present
TCItemA.mask := TCItemA.mask and (not TCIF_TEXT);
end;
end;
inherited;
end;
end;
procedure TTntPageControl.CMDialogChar(var Message: TCMDialogChar);
var
I: Integer;
TabText: WideString;
begin
for I := 0 to PageCount - 1 do begin
if Pages[i] is TTntTabSheet then
TabText := TTntTabSheet(Pages[i]).Caption
else
TabText := Pages[i].Caption;
if IsWideCharAccel(Message.CharCode, TabText) and CanShowTab(Pages[i].TabIndex) and CanFocus then
begin
Message.Result := 1;
if CanChange then
begin
TabIndex := Pages[i].TabIndex;
Change;
end;
Exit;
end;
end;
Broadcast(Message);
end;
procedure TTntPageControl.CMDockClient(var Message: TCMDockClient);
var
IsVisible: Boolean;
DockCtl: TControl;
begin
Message.Result := 0;
FNewDockSheet := TTntTabSheet.Create(Self);
try
try
DockCtl := Message.DockSource.Control;
if DockCtl is TCustomForm then
FNewDockSheet.Caption := TntControl_GetText(DockCtl);
FNewDockSheet.PageControl := Self;
DockCtl.Dock(Self, Message.DockSource.DockRect);
except
FNewDockSheet.Free;
raise;
end;
IsVisible := DockCtl.Visible;
FNewDockSheet.TabVisible := IsVisible;
if IsVisible then ActivePage := FNewDockSheet;
DockCtl.Align := alClient;
finally
FNewDockSheet := nil;
end;
end;
procedure TTntPageControl.DoAddDockClient(Client: TControl; const ARect: TRect);
begin
if FNewDockSheet <> nil then
Client.Parent := FNewDockSheet;
end;
procedure TTntPageControl.CMDockNotification(var Message: TCMDockNotification);
var
I: Integer;
S: WideString;
Page: TTabSheet{TNT-ALLOW TTabSheet};
begin
Page := GetPageFromDockClient(Message.Client);
if (Message.NotifyRec.ClientMsg <> WM_SETTEXT)
or (Page = nil) or (not (Page is TTntTabSheet)) then
inherited
else begin
if (Message.Client is TWinControl)
and (TWinControl(Message.Client).HandleAllocated)
and IsWindowUnicode(TWinControl(Message.Client).Handle) then
S := PWideChar(Message.NotifyRec.MsgLParam)
else
S := PAnsiChar(Message.NotifyRec.MsgLParam);
{ Search for first CR/LF and end string there }
for I := 1 to Length(S) do
if S[I] in [CR, LF] then
begin
SetLength(S, I - 1);
Break;
end;
TTntTabSheet(Page).Caption := S;
end;
end;
procedure TTntPageControl.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntPageControl.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
{ TTntTrackBar }
procedure TTntTrackBar.CreateWindowHandle(const Params: TCreateParams);
begin
CreateUnicodeHandle_ComCtl(Self, Params, TRACKBAR_CLASS);
end;
procedure TTntTrackBar.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
function TTntTrackBar.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
function TTntTrackBar.GetHint: WideString;
begin
Result := TntControl_GetHint(Self);
end;
procedure TTntTrackBar.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
procedure TTntTrackBar.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntTrackBar.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
{ TTntProgressBar }
procedure TTntProgressBar.CreateWindowHandle(const Params: TCreateParams);
begin
CreateUnicodeHandle_ComCtl(Self, Params, PROGRESS_CLASS);
end;
procedure TTntProgressBar.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
function TTntProgressBar.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
function TTntProgressBar.GetHint: WideString;
begin
Result := TntControl_GetHint(Self);
end;
procedure TTntProgressBar.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
procedure TTntProgressBar.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntProgressBar.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
{ TTntCustomUpDown }
procedure TTntCustomUpDown.CreateWindowHandle(const Params: TCreateParams);
begin
CreateUnicodeHandle_ComCtl(Self, Params, UPDOWN_CLASS);
end;
procedure TTntCustomUpDown.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
function TTntCustomUpDown.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
function TTntCustomUpDown.GetHint: WideString;
begin
Result := TntControl_GetHint(Self);
end;
procedure TTntCustomUpDown.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
procedure TTntCustomUpDown.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntCustomUpDown.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
{ TTntDateTimePicker }
procedure TTntDateTimePicker.CreateWindowHandle(const Params: TCreateParams);
begin
CreateUnicodeHandle_ComCtl(Self, Params, DATETIMEPICK_CLASS);
end;
procedure TTntDateTimePicker.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
function TTntDateTimePicker.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
function TTntDateTimePicker.GetHint: WideString;
begin
Result := TntControl_GetHint(Self);
end;
procedure TTntDateTimePicker.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
procedure TTntDateTimePicker.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntDateTimePicker.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
procedure TTntDateTimePicker.CreateWnd;
var
SaveChecked: Boolean;
begin
FHadFirstMouseClick := False;
SaveChecked := Checked;
inherited;
// This fixes an issue where TDateTimePicker.CNNotify causes "FChecked := True" to occur
// during window creation. This issue results in .Checked to read True even though
// it is not visually checked.
Checked := SaveChecked;
end;
procedure TTntDateTimePicker.WMLButtonDown(var Message: TWMLButtonDown);
procedure UpdateValues;
var
Hdr: TNMDateTimeChange;
begin
Hdr.nmhdr.hwndFrom := Handle;
Hdr.nmhdr.idFrom := 0;
Hdr.nmhdr.code := DTN_DATETIMECHANGE;
Hdr.dwFlags := DateTime_GetSystemTime(Handle, Hdr.st);
if (Hdr.dwFlags <> Cardinal(GDT_ERROR)) then begin
if Hdr.dwFlags = GDT_NONE then
ZeroMemory(@Hdr.st, SizeOf(Hdr.st));
Perform(CN_NOTIFY, Integer(Handle), Integer(@Hdr));
end;
end;
begin
inherited;
if ShowCheckBox and (not FHadFirstMouseClick) then begin
FHadFirstMouseClick := True;
UpdateValues; // Sometimes the first mouse click doesn't result in WM_NOTIFY.
end;
end;
{ TTntMonthCalendar }
procedure TTntMonthCalendar.CreateWindowHandle(const Params: TCreateParams);
begin
CreateUnicodeHandle_ComCtl(Self, Params, MONTHCAL_CLASS);
if Win32PlatformIsUnicode then begin
{ For some reason WM_NOTIFY:MCN_GETDAYSTATE never gets called. }
ForceGetMonthInfo;
end;
end;
procedure TTntMonthCalendar.ForceGetMonthInfo;
var
Hdr: TNMDayState;
Days: array of TMonthDayState;
Range: array[1..2] of TSystemTime;
begin
// populate Days array
Hdr.nmhdr.hwndFrom := Handle;
Hdr.nmhdr.idFrom := 0;
Hdr.nmhdr.code := MCN_GETDAYSTATE;
Hdr.cDayState := MonthCal_GetMonthRange(Handle, GMR_DAYSTATE, @Range[1]);
Hdr.stStart := Range[1];
SetLength(Days, Hdr.cDayState);
Hdr.prgDayState := @Days[0];
SendMessage(Handle, CN_NOTIFY, Integer(Handle), Integer(@Hdr));
// update day state
SendMessage(Handle, MCM_SETDAYSTATE, Hdr.cDayState, Longint(Hdr.prgDayState))
end;
procedure TTntMonthCalendar.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
function TTntMonthCalendar.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
function TTntMonthCalendar.GetHint: WideString;
begin
Result := TntControl_GetHint(Self);
end;
procedure TTntMonthCalendar.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
function TTntMonthCalendar.GetDate: TDate;
begin
Result := Trunc(inherited Date); { Fixes issue where Date always reflects time of saving dfm. }
end;
procedure TTntMonthCalendar.SetDate(const Value: TDate);
begin
inherited Date := Trunc(Value);
end;
procedure TTntMonthCalendar.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntMonthCalendar.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
{ TTntPageScroller }
procedure TTntPageScroller.CreateWindowHandle(const Params: TCreateParams);
begin
CreateUnicodeHandle_ComCtl(Self, Params, WC_PAGESCROLLER);
end;
procedure TTntPageScroller.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
function TTntPageScroller.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
function TTntPageScroller.GetHint: WideString;
begin
Result := TntControl_GetHint(Self);
end;
procedure TTntPageScroller.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
procedure TTntPageScroller.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntPageScroller.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
{ TTntStatusPanel }
procedure TTntStatusPanel.Assign(Source: TPersistent);
begin
inherited;
if Source is TTntStatusPanel then
Text := TTntStatusPanel(Source).Text;
end;
procedure TTntStatusPanel.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
function TTntStatusPanel.GetText: Widestring;
begin
Result := GetSyncedWideString(FText, inherited Text);
end;
procedure TTntStatusPanel.SetInheritedText(const Value: AnsiString);
begin
inherited Text := Value;
end;
procedure TTntStatusPanel.SetText(const Value: Widestring);
begin
SetSyncedWideString(Value, FText, inherited Text, SetInheritedText);
end;
{ TTntStatusPanels }
function TTntStatusPanels.GetItem(Index: Integer): TTntStatusPanel;
begin
Result := (inherited GetItem(Index)) as TTntStatusPanel;
end;
procedure TTntStatusPanels.SetItem(Index: Integer; Value: TTntStatusPanel);
begin
inherited SetItem(Index, Value);
end;
function TTntStatusPanels.Add: TTntStatusPanel;
begin
Result := (inherited Add) as TTntStatusPanel;
end;
function TTntStatusPanels.AddItem(Item: TTntStatusPanel; Index: Integer): TTntStatusPanel;
begin
Result := (inherited AddItem(Item, Index)) as TTntStatusPanel;
end;
function TTntStatusPanels.Insert(Index: Integer): TTntStatusPanel;
begin
Result := (inherited Insert(Index)) as TTntStatusPanel;
end;
{ TTntCustomStatusBar }
function TTntCustomStatusBar.GetHint: WideString;
begin
Result := TntControl_GetHint(Self);
end;
procedure TTntCustomStatusBar.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
function TTntCustomStatusBar.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
function TTntCustomStatusBar.CreatePanels: TStatusPanels{TNT-ALLOW TStatusPanels};
begin
Result := TTntStatusPanels.Create(Self);
end;
function TTntCustomStatusBar.GetPanelClass: TStatusPanelClass;
begin
Result := TTntStatusPanel;
end;
function TTntCustomStatusBar.SyncLeadingTabs(const WideVal: WideString; const AnsiVal: AnsiString): WideString;
function CountLeadingTabs(const Val: WideString): Integer;
var
i: integer;
begin
Result := 0;
for i := 1 to Length(Val) do begin
if Val[i] <> #9 then break;
Inc(Result);
end;
end;
var
AnsiTabCount: Integer;
WideTabCount: Integer;
begin
AnsiTabCount := CountLeadingTabs(AnsiVal);
WideTabCount := CountLeadingTabs(WideVal);
Result := WideVal;
while WideTabCount < AnsiTabCount do begin
Insert(#9, Result, 1);
Inc(WideTabCount);
end;
while WideTabCount > AnsiTabCount do begin
Delete(Result, 1, 1);
Dec(WideTabCount);
end;
end;
function TTntCustomStatusBar.GetSimpleText: WideString;
begin
FSimpleText := SyncLeadingTabs(FSimpleText, inherited SimpleText);
Result := GetSyncedWideString(FSimpleText, inherited SimpleText);
end;
procedure TTntCustomStatusBar.SetInheritedSimpleText(const Value: AnsiString);
begin
inherited SimpleText := Value;
end;
procedure TTntCustomStatusBar.SetSimpleText(const Value: WideString);
begin
SetSyncedWideString(Value, FSimpleText, inherited SimpleText, SetInheritedSimpleText);
end;
procedure TTntCustomStatusBar.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
procedure TTntCustomStatusBar.CreateWindowHandle(const Params: TCreateParams);
begin
CreateUnicodeHandle_ComCtl(Self, Params, STATUSCLASSNAME);
end;
procedure TTntCustomStatusBar.WndProc(var Msg: TMessage);
const
SB_SIMPLEID = Integer($FF);
var
iPart: Integer;
szText: PAnsiChar;
WideText: WideString;
begin
if Win32PlatformIsUnicode and (Msg.Msg = SB_SETTEXTA) and ((Msg.WParam and SBT_OWNERDRAW) = 0)
then begin
// convert SB_SETTEXTA message to Unicode
iPart := (Msg.WParam and SB_SIMPLEID);
szText := PAnsiChar(Msg.LParam);
if iPart = SB_SIMPLEID then
WideText := SimpleText
else if Panels.Count > 0 then
WideText := Panels[iPart].Text
else begin
WideText := szText;
end;
WideText := SyncLeadingTabs(WideText, szText);
Msg.Result := SendMessageW(Handle, SB_SETTEXTW, Msg.wParam, Integer(PWideChar(WideText)));
end else
inherited;
end;
procedure TTntCustomStatusBar.WMGetTextLength(var Message: TWMGetTextLength);
begin
Message.Result := Length(SimpleText);
end;
procedure TTntCustomStatusBar.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntCustomStatusBar.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
function TTntCustomStatusBar.GetPanels: TTntStatusPanels;
begin
Result := inherited Panels as TTntStatusPanels;
end;
procedure TTntCustomStatusBar.SetPanels(const Value: TTntStatusPanels);
begin
inherited Panels := Value;
end;
function TTntCustomStatusBar.ExecuteAction(Action: TBasicAction): Boolean;
begin
if AutoHint and (Action is TTntHintAction) and not DoHint then
begin
if SimplePanel or (Panels.Count = 0) then
SimpleText := TTntHintAction(Action).Hint else
Panels[0].Text := TTntHintAction(Action).Hint;
Result := True;
end
else Result := inherited ExecuteAction(Action);
end;
{ TTntStatusBar }
function TTntStatusBar.GetOnDrawPanel: TDrawPanelEvent;
begin
Result := TDrawPanelEvent(inherited OnDrawPanel);
end;
procedure TTntStatusBar.SetOnDrawPanel(const Value: TDrawPanelEvent);
begin
inherited OnDrawPanel := TCustomDrawPanelEvent(Value);
end;
{ TTntTreeNode }
function TTntTreeNode.IsEqual(Node: TTntTreeNode): Boolean;
begin
Result := (Text = Node.Text) and (Data = Node.Data);
end;
procedure TTntTreeNode.ReadData(Stream: TStream; Info: PNodeInfo);
var
I, Size, ItemCount: Integer;
LNode: TTntTreeNode;
Utf8Text: AnsiString;
begin
Owner.ClearCache;
Stream.ReadBuffer(Size, SizeOf(Size));
Stream.ReadBuffer(Info^, Size);
if Pos(UTF8_BOM, Info^.Text) = 1 then begin
Utf8Text := Copy(Info^.Text, Length(UTF8_BOM) + 1, MaxInt);
try
Text := UTF8ToWideString(Utf8Text);
except
Text := Utf8Text;
end;
end else
Text := Info^.Text;
ImageIndex := Info^.ImageIndex;
SelectedIndex := Info^.SelectedIndex;
StateIndex := Info^.StateIndex;
OverlayIndex := Info^.OverlayIndex;
Data := Info^.Data;
ItemCount := Info^.Count;
for I := 0 to ItemCount - 1 do
begin
LNode := Owner.AddChild(Self, '');
LNode.ReadData(Stream, Info);
Owner.Owner.Added(LNode);
end;
end;
procedure TTntTreeNode.WriteData(Stream: TStream; Info: PNodeInfo);
var
I, Size, L, ItemCount: Integer;
WideLen: Integer; Utf8Text: AnsiString;
begin
WideLen := 255;
repeat
Utf8Text := UTF8_BOM + WideStringToUTF8(Copy(Text, 1, WideLen));
L := Length(Utf8Text);
Dec(WideLen);
until
L <= 255;
Size := SizeOf(TNodeInfo) + L - 255;
Info^.Text := Utf8Text;
Info^.ImageIndex := ImageIndex;
Info^.SelectedIndex := SelectedIndex;
Info^.OverlayIndex := OverlayIndex;
Info^.StateIndex := StateIndex;
Info^.Data := Data;
ItemCount := Count;
Info^.Count := ItemCount;
Stream.WriteBuffer(Size, SizeOf(Size));
Stream.WriteBuffer(Info^, Size);
for I := 0 to ItemCount - 1 do
Item[I].WriteData(Stream, Info);
end;
procedure TTntTreeNode.Assign(Source: TPersistent);
var
Node: TTntTreeNode;
begin
inherited;
if (not Deleting) and (Source is TTntTreeNode) then
begin
Node := TTntTreeNode(Source);
Text := Node.Text;
end;
end;
function TTntTreeNode.GetText: WideString;
begin
Result := GetSyncedWideString(FText, inherited Text);
end;
procedure TTntTreeNode.SetInheritedText(const Value: AnsiString);
begin
inherited Text := Value;
end;
procedure TTntTreeNode.SetText(const Value: WideString);
begin
SetSyncedWideString(Value, FText, inherited Text, SetInheritedText);
end;
function TTntTreeNode.getFirstChild: TTntTreeNode;
begin
Result := inherited getFirstChild as TTntTreeNode;
end;
function TTntTreeNode.GetItem(Index: Integer): TTntTreeNode;
begin
Result := inherited Item[Index] as TTntTreeNode;
end;
procedure TTntTreeNode.SetItem(Index: Integer; const Value: TTntTreeNode);
begin
inherited Item[Index] := Value;
end;
function TTntTreeNode.GetLastChild: TTntTreeNode;
begin
Result := inherited GetLastChild as TTntTreeNode;
end;
function TTntTreeNode.GetNext: TTntTreeNode;
begin
Result := inherited GetNext as TTntTreeNode;
end;
function TTntTreeNode.GetNextChild(Value: TTntTreeNode): TTntTreeNode;
begin
Result := inherited GetNextChild(Value) as TTntTreeNode;
end;
function TTntTreeNode.getNextSibling: TTntTreeNode;
begin
Result := inherited getNextSibling as TTntTreeNode;
end;
function TTntTreeNode.GetNextVisible: TTntTreeNode;
begin
Result := inherited GetNextVisible as TTntTreeNode;
end;
function TTntTreeNode.GetNodeOwner: TTntTreeNodes;
begin
Result := inherited Owner as TTntTreeNodes;
end;
function TTntTreeNode.GetParent: TTntTreeNode;
begin
Result := inherited Parent as TTntTreeNode;
end;
function TTntTreeNode.GetPrev: TTntTreeNode;
begin
Result := inherited GetPrev as TTntTreeNode;
end;
function TTntTreeNode.GetPrevChild(Value: TTntTreeNode): TTntTreeNode;
begin
Result := inherited GetPrevChild(Value) as TTntTreeNode;
end;
function TTntTreeNode.getPrevSibling: TTntTreeNode;
begin
Result := inherited getPrevSibling as TTntTreeNode;
end;
function TTntTreeNode.GetPrevVisible: TTntTreeNode;
begin
Result := inherited GetPrevVisible as TTntTreeNode;
end;
function TTntTreeNode.GetTreeView: TTntCustomTreeView;
begin
Result := inherited TreeView as TTntCustomTreeView;
end;
{ TTntTreeNodesEnumerator }
constructor TTntTreeNodesEnumerator.Create(ATreeNodes: TTntTreeNodes);
begin
inherited Create;
FIndex := -1;
FTreeNodes := ATreeNodes;
end;
function TTntTreeNodesEnumerator.GetCurrent: TTntTreeNode;
begin
Result := FTreeNodes[FIndex];
end;
function TTntTreeNodesEnumerator.MoveNext: Boolean;
begin
Result := FIndex < FTreeNodes.Count - 1;
if Result then
Inc(FIndex);
end;
{ TTntTreeNodes }
{$IFDEF COMPILER_6} // verified against VCL source in Delphi 6 and BCB 6
type
THackTreeNodes = class(TPersistent)
protected
FxxxOwner: TCustomTreeView{TNT-ALLOW TCustomTreeView};
FxxxUpdateCount: Integer;
FNodeCache: TNodeCache;
FReading: Boolean;
end;
{$ENDIF}
{$IFDEF DELPHI_7} // verified against VCL source in Delphi 7
type
THackTreeNodes = class(TPersistent)
protected
FxxxOwner: TCustomTreeView{TNT-ALLOW TCustomTreeView};
FxxxUpdateCount: Integer;
FNodeCache: TNodeCache;
FReading: Boolean;
end;
{$ENDIF}
{$IFDEF DELPHI_9} // verified against VCL source in Delphi 9
type
THackTreeNodes = class(TPersistent)
protected
FxxxOwner: TCustomTreeView{TNT-ALLOW TCustomTreeView};
FxxxUpdateCount: Integer;
FNodeCache: TNodeCache;
FReading: Boolean;
end;
{$ENDIF}
{$IFDEF DELPHI_10} // verified against VCL source in Delphi 10
type
THackTreeNodes = class(TPersistent)
protected
FxxxOwner: TCustomTreeView{TNT-ALLOW TCustomTreeView};
FxxxUpdateCount: Integer;
FNodeCache: TNodeCache;
FReading: Boolean;
end;
{$ENDIF}
procedure SaveNodeTextToStrings(Nodes: TTntTreeNodes; sList: TTntStrings);
var
ANode: TTntTreeNode;
begin
sList.Clear;
if Nodes.Count > 0 then
begin
ANode := Nodes[0];
while ANode <> nil do
begin
sList.Add(ANode.Text);
ANode := ANode.GetNext;
end;
end;
end;
procedure TTntTreeNodes.Assign(Source: TPersistent);
var
TreeNodes: TTntTreeNodes;
MemStream: TTntMemoryStream;
begin
ClearCache;
if Source is TTntTreeNodes then
begin
TreeNodes := TTntTreeNodes(Source);
Clear;
MemStream := TTntMemoryStream.Create;
try
TreeNodes.WriteData(MemStream);
MemStream.Position := 0;
ReadData(MemStream);
finally
MemStream.Free;
end;
end else
inherited Assign(Source);
end;
function TTntTreeNodes.GetNodeFromIndex(Index: Integer): TTntTreeNode;
begin
Result := inherited Item[Index] as TTntTreeNode;
end;
function TTntTreeNodes.AddChildFirst(Parent: TTntTreeNode; const S: WideString): TTntTreeNode;
begin
Result := AddNode(nil, Parent, S, nil, naAddChildFirst);
end;
function TTntTreeNodes.AddChildObjectFirst(Parent: TTntTreeNode; const S: WideString;
Ptr: Pointer): TTntTreeNode;
begin
Result := AddNode(nil, Parent, S, Ptr, naAddChildFirst);
end;
function TTntTreeNodes.AddChild(Parent: TTntTreeNode; const S: WideString): TTntTreeNode;
begin
Result := AddNode(nil, Parent, S, nil, naAddChild);
end;
function TTntTreeNodes.AddChildObject(Parent: TTntTreeNode; const S: WideString;
Ptr: Pointer): TTntTreeNode;
begin
Result := AddNode(nil, Parent, S, Ptr, naAddChild);
end;
function TTntTreeNodes.AddFirst(Sibling: TTntTreeNode; const S: WideString): TTntTreeNode;
begin
Result := AddNode(nil, Sibling, S, nil, naAddFirst);
end;
function TTntTreeNodes.AddObjectFirst(Sibling: TTntTreeNode; const S: WideString;
Ptr: Pointer): TTntTreeNode;
begin
Result := AddNode(nil, Sibling, S, Ptr, naAddFirst);
end;
function TTntTreeNodes.Add(Sibling: TTntTreeNode; const S: WideString): TTntTreeNode;
begin
Result := AddNode(nil, Sibling, S, nil, naAdd);
end;
function TTntTreeNodes.AddObject(Sibling: TTntTreeNode; const S: WideString;
Ptr: Pointer): TTntTreeNode;
begin
Result := AddNode(nil, Sibling, S, Ptr, naAdd);
end;
function TTntTreeNodes.Insert(Sibling: TTntTreeNode; const S: WideString): TTntTreeNode;
begin
Result := AddNode(nil, Sibling, S, nil, naInsert);
end;
function TTntTreeNodes.InsertObject(Sibling: TTntTreeNode; const S: WideString;
Ptr: Pointer): TTntTreeNode;
begin
Result := AddNode(nil, Sibling, S, Ptr, naInsert);
end;
function TTntTreeNodes.InsertNode(Node, Sibling: TTntTreeNode; const S: WideString;
Ptr: Pointer): TTntTreeNode;
begin
Result := AddNode(Node, Sibling, S, Ptr, naInsert);
end;
function TTntTreeNodes.AddNode(Node, Relative: TTntTreeNode; const S: WideString;
Ptr: Pointer; Method: TNodeAttachMode): TTntTreeNode;
begin
Result := inherited AddNode(Node, Relative, '', Ptr, Method) as TTntTreeNode;
Result.Text := S;
end;
function TTntTreeNodes.GetNode(ItemId: HTreeItem): TTntTreeNode;
begin
Result := inherited GetNode(ItemID) as TTntTreeNode;
end;
function TTntTreeNodes.GetFirstNode: TTntTreeNode;
begin
Result := inherited GetFirstNode as TTntTreeNode;
end;
function TTntTreeNodes.GetEnumerator: TTntTreeNodesEnumerator;
begin
Result := TTntTreeNodesEnumerator.Create(Self);
end;
function TTntTreeNodes.GetNodesOwner: TTntCustomTreeView;
begin
Result := inherited Owner as TTntCustomTreeView;
end;
procedure TTntTreeNodes.ClearCache;
begin
THackTreeNodes(Self).FNodeCache.CacheNode := nil;
end;
procedure TTntTreeNodes.DefineProperties(Filer: TFiler);
function WriteNodes: Boolean;
var
I: Integer;
Nodes: TTntTreeNodes;
begin
Nodes := TTntTreeNodes(Filer.Ancestor);
if Nodes = nil then
Result := Count > 0
else if Nodes.Count <> Count then
Result := True
else
begin
Result := False;
for I := 0 to Count - 1 do
begin
Result := not Item[I].IsEqual(Nodes[I]);
if Result then
Break;
end
end;
end;
begin
inherited DefineProperties(Filer);
Filer.DefineBinaryProperty('Utf8Data', ReadData, WriteData, WriteNodes);
end;
procedure TTntTreeNodes.ReadData(Stream: TStream);
var
I, Count: Integer;
NodeInfo: TNodeInfo;
LNode: TTntTreeNode;
LHandleAllocated: Boolean;
begin
LHandleAllocated := Owner.HandleAllocated;
if LHandleAllocated then
BeginUpdate;
THackTreeNodes(Self).FReading := True;
try
Clear;
Stream.ReadBuffer(Count, SizeOf(Count));
for I := 0 to Count - 1 do
begin
LNode := Add(nil, '');
LNode.ReadData(Stream, @NodeInfo);
Owner.Added(LNode);
end;
finally
THackTreeNodes(Self).FReading := False;
if LHandleAllocated then
EndUpdate;
end;
end;
procedure TTntTreeNodes.WriteData(Stream: TStream);
var
I: Integer;
Node: TTntTreeNode;
NodeInfo: TNodeInfo;
begin
I := 0;
Node := GetFirstNode;
while Node <> nil do
begin
Inc(I);
Node := Node.GetNextSibling;
end;
Stream.WriteBuffer(I, SizeOf(I));
Node := GetFirstNode;
while Node <> nil do
begin
Node.WriteData(Stream, @NodeInfo);
Node := Node.GetNextSibling;
end;
end;
{ TTntTreeStrings }
type
TTntTreeStrings = class(TTntStringList)
protected
function GetBufStart(Buffer: PWideChar; var Level: Integer): PWideChar;
public
procedure SaveToTree(Tree: TTntCustomTreeView);
procedure LoadFromTree(Tree: TTntCustomTreeView);
end;
function TTntTreeStrings.GetBufStart(Buffer: PWideChar; var Level: Integer): PWideChar;
begin
Level := 0;
while Buffer^ in [WideChar(' '), WideChar(#9)] do
begin
Inc(Buffer);
Inc(Level);
end;
Result := Buffer;
end;
procedure TTntTreeStrings.SaveToTree(Tree: TTntCustomTreeView);
var
ANode, NextNode: TTntTreeNode;
ALevel, i: Integer;
CurrStr: WideString;
Owner: TTntTreeNodes;
begin
Owner := Tree.Items;
Owner.BeginUpdate;
try
try
Owner.Clear;
ANode := nil;
for i := 0 to Count - 1 do
begin
CurrStr := GetBufStart(PWideChar(Strings[i]), ALevel);
if ANode = nil then
ANode := Owner.AddChild(nil, CurrStr)
else if ANode.Level = ALevel then
ANode := Owner.AddChild(ANode.Parent, CurrStr)
else if ANode.Level = (ALevel - 1) then
ANode := Owner.AddChild(ANode, CurrStr)
else if ANode.Level > ALevel then
begin
NextNode := ANode.Parent;
while NextNode.Level > ALevel do
NextNode := NextNode.Parent;
ANode := Owner.AddChild(NextNode.Parent, CurrStr);
end
else
raise ETreeViewError.CreateFmt(sInvalidLevelEx, [ALevel, CurrStr]);
end;
finally
Owner.EndUpdate;
end;
except
Owner.Owner.Invalidate; // force repaint on exception
raise;
end;
end;
procedure TTntTreeStrings.LoadFromTree(Tree: TTntCustomTreeView);
const
TabChar = #9;
var
i: Integer;
ANode: TTntTreeNode;
NodeStr: WideString;
Owner: TTntTreeNodes;
begin
Clear;
Owner := Tree.Items;
if Owner.Count > 0 then
begin
ANode := Owner[0];
while ANode <> nil do
begin
NodeStr := '';
for i := 0 to ANode.Level - 1 do NodeStr := NodeStr + TabChar;
NodeStr := NodeStr + ANode.Text;
Add(NodeStr);
ANode := ANode.GetNext;
end;
end;
end;
{ _TntInternalCustomTreeView }
function _TntInternalCustomTreeView.FindNextToSelect: TTreeNode{TNT-ALLOW TTreeNode};
begin
Result := Wide_FindNextToSelect;
end;
function _TntInternalCustomTreeView.Inherited_FindNextToSelect: TTreeNode{TNT-ALLOW TTreeNode};
begin
Result := inherited FindNextToSelect;
end;
{ TTntCustomTreeView }
function TntDefaultTreeViewSort(Node1, Node2: TTntTreeNode; lParam: Integer): Integer; stdcall;
begin
with Node1 do
if Assigned(TreeView.OnCompare) then
TreeView.OnCompare(TreeView, Node1, Node2, lParam, Result)
else Result := lstrcmpw(PWideChar(Node1.Text), PWideChar(Node2.Text));
end;
constructor TTntCustomTreeView.Create(AOwner: TComponent);
begin
inherited;
FEditInstance := Classes.MakeObjectInstance(EditWndProcW);
end;
destructor TTntCustomTreeView.Destroy;
begin
Destroying;
Classes.FreeObjectInstance(FEditInstance);
FreeAndNil(FSavedNodeText);
inherited;
end;
var
ComCtrls_DefaultTreeViewSort: TTVCompare = nil;
procedure TTntCustomTreeView.CreateWindowHandle(const Params: TCreateParams);
procedure Capture_ComCtrls_DefaultTreeViewSort;
begin
FTestingForSortProc := True;
try
AlphaSort;
finally
FTestingForSortProc := False;
end;
end;
begin
CreateUnicodeHandle_ComCtl(Self, Params, WC_TREEVIEW);
if (Win32PlatformIsUnicode) then begin
if not Assigned(ComCtrls_DefaultTreeViewSort) then
Capture_ComCtrls_DefaultTreeViewSort;
end;
end;
procedure TTntCustomTreeView.CreateWnd;
begin
inherited;
if FSavedNodeText <> nil then begin
FreeAndNil(FSavedNodeText);
SortType := FSavedSortType;
end;
end;
procedure TTntCustomTreeView.DestroyWnd;
begin
if (not (csDestroying in ComponentState)) then begin
FSavedNodeText := TTntStringList.Create;
FSavedSortType := SortType;
SortType := stNone; // when recreating window, we are expecting items to come back in same order
SaveNodeTextToStrings(Items, FSavedNodeText);
end;
inherited;
end;
procedure TTntCustomTreeView.DefineProperties(Filer: TFiler);
begin
inherited;
TntPersistent_AfterInherited_DefineProperties(Filer, Self);
end;
function TTntCustomTreeView.IsHintStored: Boolean;
begin
Result := TntControl_IsHintStored(Self);
end;
function TTntCustomTreeView.GetHint: WideString;
begin
Result := TntControl_GetHint(Self)
end;
procedure TTntCustomTreeView.SetHint(const Value: WideString);
begin
TntControl_SetHint(Self, Value);
end;
procedure TTntCustomTreeView.ActionChange(Sender: TObject; CheckDefaults: Boolean);
begin
TntControl_BeforeInherited_ActionChange(Self, Sender, CheckDefaults);
inherited;
end;
function TTntCustomTreeView.GetActionLinkClass: TControlActionLinkClass;
begin
Result := TntControl_GetActionLinkClass(Self, inherited GetActionLinkClass);
end;
function TTntCustomTreeView.CreateNode: TTreeNode{TNT-ALLOW TTreeNode};
var
LClass: TClass;
TntLClass: TTntTreeNodeClass;
begin
LClass := TTntTreeNode;
if Assigned(OnCreateNodeClass) then
OnCreateNodeClass(Self, TTreeNodeClass(LClass));
if not LClass.InheritsFrom(TTntTreeNode) then
raise ETntInternalError.Create('Internal Error: OnCreateNodeClass.ItemClass must inherit from TTntTreeNode.');
TntLClass := TTntTreeNodeClass(LClass);
Result := TntLClass.Create(inherited Items);
end;
function TTntCustomTreeView.CreateNodes: TTreeNodes{TNT-ALLOW TTreeNodes};
begin
Result := TTntTreeNodes.Create(Self);
end;
function TTntCustomTreeView.GetTreeNodes: TTntTreeNodes;
begin
Result := inherited Items as TTntTreeNodes;
end;
procedure TTntCustomTreeView.SetTreeNodes(const Value: TTntTreeNodes);
begin
Items.Assign(Value);
end;
function TTntCustomTreeView.GetNodeFromItem(const Item: TTVItem): TTntTreeNode;
begin
Result := nil;
if Items <> nil then
with Item do
if (state and TVIF_PARAM) <> 0 then
Result := Pointer(lParam)
else
Result := Items.GetNode(hItem);
end;
function TTntCustomTreeView.Wide_FindNextToSelect: TTntTreeNode;
begin
Result := FindNextToSelect;
end;
function TTntCustomTreeView.FindNextToSelect: TTntTreeNode;
begin
Result := Inherited_FindNextToSelect as TTntTreeNode;
end;
function TTntCustomTreeView.GetDropTarget: TTntTreeNode;
begin
Result := inherited DropTarget as TTntTreeNode;
end;
function TTntCustomTreeView.GetNodeAt(X, Y: Integer): TTntTreeNode;
begin
Result := inherited GetNodeAt(X, Y) as TTntTreeNode;
end;
function TTntCustomTreeView.GetSelected: TTntTreeNode;
begin
Result := inherited Selected as TTntTreeNode;
end;
function TTntCustomTreeView.GetSelection(Index: Integer): TTntTreeNode;
begin
Result := inherited Selections[Index] as TTntTreeNode;
end;
function TTntCustomTreeView.GetSelections(AList: TList): TTntTreeNode;
begin
Result := inherited GetSelections(AList) as TTntTreeNode;
end;
function TTntCustomTreeView.GetTopItem: TTntTreeNode;
begin
Result := inherited TopItem as TTntTreeNode;
end;
procedure TTntCustomTreeView.SetDropTarget(const Value: TTntTreeNode);
begin
inherited DropTarget := Value;
end;
procedure TTntCustomTreeView.SetSelected(const Value: TTntTreeNode);
begin
inherited Selected := Value;
end;
procedure TTntCustomTreeView.SetTopItem(const Value: TTntTreeNode);
begin
inherited TopItem := Value;
end;
procedure TTntCustomTreeView.WndProc(var Message: TMessage);
type
PTVSortCB = ^TTVSortCB;
begin
with Message do begin
// capture ANSI version of DefaultTreeViewSort from ComCtrls
if (FTestingForSortProc)
and (Msg = TVM_SORTCHILDRENCB) then begin
ComCtrls_DefaultTreeViewSort := PTVSortCB(lParam).lpfnCompare;
exit;
end;
if (Win32PlatformIsUnicode)
and (Msg = TVM_SORTCHILDRENCB)
and (@PTVSortCB(lParam).lpfnCompare = @ComCtrls_DefaultTreeViewSort) then
begin
// Unicode:: call wide version of sort proc instead
PTVSortCB(lParam)^.lpfnCompare := TTVCompare(@TntDefaultTreeViewSort);
Result := SendMessageW(Handle, TVM_SORTCHILDRENCB, wParam, lParam);
end else
inherited;
end;
end;
procedure TTntCustomTreeView.CNNotify(var Message: TWMNotify);
var
Node: TTntTreeNode;
begin
if (not Win32PlatformIsUnicode) then
inherited
else begin
with Message do begin
case NMHdr^.code of
TVN_BEGINDRAGW:
begin
NMHdr^.code := TVN_BEGINDRAGA;
try
inherited;
finally
NMHdr^.code := TVN_BEGINDRAGW;
end;
end;
TVN_BEGINLABELEDITW:
begin
with PTVDispInfo(NMHdr)^ do
if Dragging or not CanEdit(GetNodeFromItem(item)) then
Result := 1;
if Result = 0 then
begin
FEditHandle := TreeView_GetEditControl(Handle);
FDefEditProc := Pointer(GetWindowLongW(FEditHandle, GWL_WNDPROC));
SetWindowLongW(FEditHandle, GWL_WNDPROC, LongInt(FEditInstance));
end;
end;
TVN_ENDLABELEDITW:
Edit(PTVDispInfo(NMHdr)^.item);
TVN_ITEMEXPANDINGW:
begin
NMHdr^.code := TVN_ITEMEXPANDINGA;
try
inherited;
finally
NMHdr^.code := TVN_ITEMEXPANDINGW;
end;
end;
TVN_ITEMEXPANDEDW:
begin
NMHdr^.code := TVN_ITEMEXPANDEDA;
try
inherited;
finally
NMHdr^.code := TVN_ITEMEXPANDEDW;
end;
end;
TVN_DELETEITEMW:
begin
NMHdr^.code := TVN_DELETEITEMA;
try
inherited;
finally
NMHdr^.code := TVN_DELETEITEMW;
end;
end;
TVN_SETDISPINFOW:
with PTVDispInfo(NMHdr)^ do
begin
Node := GetNodeFromItem(item);
if (Node <> nil) and ((item.mask and TVIF_TEXT) <> 0) then
Node.Text := TTVItemW(item).pszText;
end;
TVN_GETDISPINFOW:
with PTVDispInfo(NMHdr)^ do
begin
Node := GetNodeFromItem(item);
if Node <> nil then
begin
if (item.mask and TVIF_TEXT) <> 0 then begin
if (FSavedNodeText <> nil)
and (FSavedNodeText.Count > 0)
and (AnsiString(FSavedNodeText[0]) = AnsiString(Node.Text)) then
begin
Node.FText := FSavedNodeText[0]; // recover saved text
FSavedNodeText.Delete(0);
end;
WStrLCopy(TTVItemW(item).pszText, PWideChar(Node.Text), item.cchTextMax - 1);
end;
if (item.mask and TVIF_IMAGE) <> 0 then
begin
GetImageIndex(Node);
item.iImage := Node.ImageIndex;
end;
if (item.mask and TVIF_SELECTEDIMAGE) <> 0 then
begin
GetSelectedIndex(Node);
item.iSelectedImage := Node.SelectedIndex;
end;
end;
end;
else
inherited;
end;
end;
end;
end;
procedure TTntCustomTreeView.WMNotify(var Message: TWMNotify);
var
Node: TTntTreeNode;
FWideText: WideString;
MaxTextLen: Integer;
Pt: TPoint;
begin
with Message do
if NMHdr^.code = TTN_NEEDTEXTW then
begin
// Work around NT COMCTL32 problem with tool tips >= 80 characters
GetCursorPos(Pt);
Pt := ScreenToClient(Pt);
Node := GetNodeAt(Pt.X, Pt.Y);
if (Node = nil) or (Node.Text = '') or
(PToolTipTextW(NMHdr)^.uFlags and TTF_IDISHWND = 0) then Exit;
if (GetComCtlVersion >= ComCtlVersionIE4)
or {Borland's VCL wrongly uses "and"} (Length(Node.Text) < 80) then
begin
DefaultHandler(Message);
Exit;
end;
FWideText := Node.Text;
MaxTextLen := SizeOf(PToolTipTextW(NMHdr)^.szText) div SizeOf(WideChar);
if Length(FWideText) >= MaxTextLen then
SetLength(FWideText, MaxTextLen - 1);
PToolTipTextW(NMHdr)^.lpszText := PWideChar(FWideText);
FillChar(PToolTipTextW(NMHdr)^.szText, MaxTextLen, 0);
Move(Pointer(FWideText)^, PToolTipTextW(NMHdr)^.szText, Length(FWideText) * SizeOf(WideChar));
PToolTipTextW(NMHdr)^.hInst := 0;
SetWindowPos(NMHdr^.hwndFrom, HWND_TOP, 0, 0, 0, 0, SWP_NOACTIVATE or
SWP_NOSIZE or SWP_NOMOVE or SWP_NOOWNERZORDER);
Result := 1;
end
else inherited;
end;
procedure TTntCustomTreeView.Edit(const Item: TTVItem);
var
S: WideString;
AnsiS: AnsiString;
Node: TTntTreeNode;
AnsiEvent: TTVEditedEvent;
begin
with Item do
begin
Node := GetNodeFromItem(Item);
if pszText <> nil then
begin
if Win32PlatformIsUnicode then
S := TTVItemW(Item).pszText
else
S := pszText;
if Assigned(FOnEdited) then
FOnEdited(Self, Node, S)
else if Assigned(inherited OnEdited) then
begin
AnsiEvent := inherited OnEdited;
AnsiS := S;
AnsiEvent(Self, Node, AnsiS);
S := AnsiS;
end;
if Node <> nil then Node.Text := S;
end
else if Assigned(OnCancelEdit) then
OnCancelEdit(Self, Node);
end;
end;
procedure TTntCustomTreeView.EditWndProcW(var Message: TMessage);
begin
Assert(Win32PlatformIsUnicode);
try
with Message do
begin
case Msg of
WM_KEYDOWN,
WM_SYSKEYDOWN: if DoKeyDown(TWMKey(Message)) then Exit;
WM_CHAR:
begin
MakeWMCharMsgSafeForAnsi(Message);
try
if DoKeyPress(TWMKey(Message)) then Exit;
finally
RestoreWMCharMsg(Message);
end;
end;
WM_KEYUP,
WM_SYSKEYUP: if DoKeyUp(TWMKey(Message)) then Exit;
CN_KEYDOWN,
CN_CHAR, CN_SYSKEYDOWN,
CN_SYSCHAR:
begin
WndProc(Message);
Exit;
end;
end;
Result := CallWindowProcW(FDefEditProc, FEditHandle, Msg, WParam, LParam);
end;
except
Application.HandleException(Self);
end;
end;
procedure TTntCustomTreeView.LoadFromFile(const FileName: WideString);
var
TreeStrings: TTntTreeStrings;
begin
TreeStrings := TTntTreeStrings.Create;
try
TreeStrings.LoadFromFile(FileName);
TreeStrings.SaveToTree(Self);
finally
TreeStrings.Free;
end;
end;
procedure TTntCustomTreeView.LoadFromStream(Stream: TStream);
var
TreeStrings: TTntTreeStrings;
begin
TreeStrings := TTntTreeStrings.Create;
try
TreeStrings.LoadFromStream(Stream);
TreeStrings.SaveToTree(Self);
finally
TreeStrings.Free;
end;
end;
procedure TTntCustomTreeView.SaveToFile(const FileName: WideString);
var
TreeStrings: TTntTreeStrings;
begin
TreeStrings := TTntTreeStrings.Create;
try
TreeStrings.LoadFromTree(Self);
TreeStrings.SaveToFile(FileName);
finally
TreeStrings.Free;
end;
end;
procedure TTntCustomTreeView.SaveToStream(Stream: TStream);
var
TreeStrings: TTntTreeStrings;
begin
TreeStrings := TTntTreeStrings.Create;
try
TreeStrings.LoadFromTree(Self);
TreeStrings.SaveToStream(Stream);
finally
TreeStrings.Free;
end;
end;
initialization
finalization
if Assigned(AIMM) then
AIMM.Deactivate;
if FRichEdit20Module <> 0 then
FreeLibrary(FRichEdit20Module);
end.
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