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#ifndef TCUSTOMTREEVIEW_H
#define TCUSTOMTREEVIEW_H
#include <TWinControl.h>
#include <TTreeNode.h>
#include <TCustomImageList.h>
#include <gtk/gtktree.h>
#include <gtk/gtktreeitem.h>
enum THitTest {htAbove, htBelow, htNowhere, htOnItem, htOnButton, htOnIcon,
htOnIndent, htOnLabel, htOnRight, htOnStateIcon, htToLeft, htToRight};
// THitTests = set of THitTest;
enum TSortType {stNone, stData, stText, stBoth};
/*
ETreeViewError = class(Exception);
TTVChangingEvent = procedure(Sender: TObject; Node: TTreeNode;
var AllowChange: Boolean) of object;
TTVChangedEvent = procedure(Sender: TObject; Node: TTreeNode) of object;
TTVEditingEvent = procedure(Sender: TObject; Node: TTreeNode;
var AllowEdit: Boolean) of object;
TTVEditedEvent = procedure(Sender: TObject; Node: TTreeNode; var S: string) of object;
TTVExpandingEvent = procedure(Sender: TObject; Node: TTreeNode;
var AllowExpansion: Boolean) of object;
TTVCollapsingEvent = procedure(Sender: TObject; Node: TTreeNode;
var AllowCollapse: Boolean) of object;
TTVExpandedEvent = procedure(Sender: TObject; Node: TTreeNode) of object;
TTVCompareEvent = procedure(Sender: TObject; Node1, Node2: TTreeNode;
Data: Integer; var Compare: Integer) of object;
TTVCustomDrawEvent = procedure(Sender: TCustomTreeView; const ARect: TRect;
var DefaultDraw: Boolean) of object;
TTVCustomDrawItemEvent = procedure(Sender: TCustomTreeView; Node: TTreeNode;
State: TCustomDrawState; var DefaultDraw: Boolean) of object;
*/
class TTreeNodes;
class TCustomTreeView : public TWinControl {
friend class TTreeNodes;
friend class TTreeNode;
protected:
void init(TComponent *AOwner);
// procedure SetTreeNodes(Value: TTreeNodes);
void SetTreeNodes(TTreeNodes* Value);
// FImages: TCustomImageList;
TCustomImageList *FImages;
// FStateImages: TCustomImageList;
TCustomImageList *FStateImages;
// procedure SetImages(Value: TCustomImageList);
void SetImages(TCustomImageList *val);
TCustomImageList * getImages() { return FImages; }
// procedure SetStateImages(Value: TCustomImageList);
void SetStateImages(TCustomImageList *val);
TCustomImageList * getStateImages() { return FStateImages; }
/*
FAutoExpand: Boolean;
FBorderStyle: TBorderStyle;
FCanvas: TCanvas;
FCanvasChanged: Boolean;
FDefEditProc: Pointer;
FDragged: Boolean;
FDragImage: TDragImageList;
FDragNode: TTreeNode;
FEditHandle: HWND;
FEditInstance: Pointer;
FHideSelection: Boolean;
FHotTrack: Boolean;
FImageChangeLink: TChangeLink;
FLastDropTarget: TTreeNode;
FManualNotify: Boolean;
FMemStream: TMemoryStream;
FRClickNode: TTreeNode;
FRightClickSelect: Boolean;
FReadOnly: Boolean;
FRowSelect: Boolean;
FSaveIndex: Integer;
FSaveIndent: Integer;
FSaveItems: TStringList;
FSaveTopIndex: Integer;
FShowButtons: Boolean;
FShowLines: Boolean;
FShowRoot: Boolean;
FSortType: TSortType;
FStateChanging: Boolean;
FStateChangeLink: TChangeLink;
FToolTips: Boolean;
FWideText: WideString;
FOnEditing: TTVEditingEvent;
FOnEdited: TTVEditedEvent;
FOnExpanded: TTVExpandedEvent;
FOnExpanding: TTVExpandingEvent;
FOnCollapsed: TTVExpandedEvent;
FOnCollapsing: TTVCollapsingEvent;
FOnChanging: TTVChangingEvent;
FOnChange: TTVChangedEvent;
FOnCompare: TTVCompareEvent;
FOnDeletion: TTVExpandedEvent;
FOnCustomDraw: TTVCustomDrawEvent;
FOnCustomDrawItem: TTVCustomDrawItemEvent;
FOnGetImageIndex: TTVExpandedEvent;
FOnGetSelectedIndex: TTVExpandedEvent;
procedure CanvasChanged(Sender: TObject);
procedure CMColorChanged(var Message: TMessage); message CM_COLORCHANGED;
procedure CMCtl3DChanged(var Message: TMessage); message CM_CTL3DCHANGED;
procedure CMFontChanged(var Message: TMessage); message CM_FONTCHANGED;
procedure CMDrag(var Message: TCMDrag); message CM_DRAG;
procedure CNNotify(var Message: TWMNotify); message CN_NOTIFY;
procedure EditWndProc(var Message: TMessage);
procedure DoDragOver(Source: TDragObject; X, Y: Integer; CanDrop: Boolean);
function GetChangeDelay: Integer;
function GetDropTarget: TTreeNode;
function GetIndent: Integer;
function GetNodeFromItem(const Item: TTVItem): TTreeNode;
function GetTopItem: TTreeNode;
procedure ImageListChange(Sender: TObject);
procedure SetAutoExpand(Value: Boolean);
procedure SetBorderStyle(Value: TBorderStyle);
procedure SetButtonStyle(Value: Boolean);
procedure SetChangeDelay(Value: Integer);
procedure SetDropTarget(Value: TTreeNode);
procedure SetHideSelection(Value: Boolean);
procedure SetHotTrack(Value: Boolean);
procedure SetImageList(Value: HImageList; Flags: Integer);
procedure SetIndent(Value: Integer);
procedure SetLineStyle(Value: Boolean);
procedure SetReadOnly(Value: Boolean);
procedure SetRootStyle(Value: Boolean);
procedure SetRowSelect(Value: Boolean);
procedure SetSortType(Value: TSortType);
procedure SetToolTips(Value: Boolean);
procedure SetTopItem(Value: TTreeNode);
procedure OnChangeTimer(Sender: TObject);
procedure WMLButtonDown(var Message: TWMLButtonDown); message WM_LBUTTONDOWN;
procedure WMRButtonDown(var Message: TWMRButtonDown); message WM_RBUTTONDOWN;
procedure WMRButtonUp(var Message: TWMRButtonUp); message WM_RBUTTONUP;
procedure WMNotify(var Message: TWMNotify); message WM_NOTIFY;
procedure CMSysColorChange(var Message: TMessage); message CM_SYSCOLORCHANGE;
*/
protected:
// property Items: TTreeNodes read FTreeNodes write SetTreeNodes;
TTreeNodes *FTreeNodes;
property <TCustomTreeView, TTreeNodes*> Items;
TTreeNodes *getItems() { return FTreeNodes; }
// property Images: TCustomImageList read FImages write SetImages;
property <TCustomTreeView, TCustomImageList *> Images;
// property StateImages: TCustomImageList read FStateImages write SetStateImages;
property <TCustomTreeView, TCustomImageList *> StateImages;
// property Selected: TTreeNode read GetSelection write SetSelection;
// function GetSelection: TTreeNode;
// procedure SetSelection(Value: TTreeNode);
TTreeNode *GetSelection();
void SetSelection(TTreeNode *);
/*
FChangeTimer: TTimer;
function CanEdit(Node: TTreeNode): Boolean; dynamic;
function CanChange(Node: TTreeNode): Boolean; dynamic;
function CanCollapse(Node: TTreeNode): Boolean; dynamic;
function CanExpand(Node: TTreeNode): Boolean; dynamic;
procedure Change(Node: TTreeNode); dynamic;
procedure Collapse(Node: TTreeNode); dynamic;
function CreateNode: TTreeNode; virtual;
procedure CreateParams(var Params: TCreateParams); override;
procedure CreateWnd; override;
function CustomDraw(const ARect: TRect; Stage: TCustomDrawStage): Boolean; virtual;
function CustomDrawItem(Node: TTreeNode; State: TCustomDrawState;
Stage: TCustomDrawStage): Boolean; virtual;
procedure Delete(Node: TTreeNode); dynamic;
procedure DestroyWnd; override;
procedure DoEndDrag(Target: TObject; X, Y: Integer); override;
procedure DoStartDrag(var DragObject: TDragObject); override;
procedure Edit(const Item: TTVItem); dynamic;
procedure Expand(Node: TTreeNode); dynamic;
function GetDragImages: TDragImageList; override;
procedure GetImageIndex(Node: TTreeNode); virtual;
procedure GetSelectedIndex(Node: TTreeNode); virtual;
function IsCustomDrawn(Target: TCustomDrawTarget; Stage: TCustomDrawStage): Boolean;
procedure Loaded; override;
procedure Notification(AComponent: TComponent;
Operation: TOperation); override;
procedure SetDragMode(Value: TDragMode); override;
procedure WndProc(var Message: TMessage); override;
property AutoExpand: Boolean read FAutoExpand write SetAutoExpand default False;
property BorderStyle: TBorderStyle read FBorderStyle write SetBorderStyle default bsSingle;
property ChangeDelay: Integer read GetChangeDelay write SetChangeDelay default 0;
property HideSelection: Boolean read FHideSelection write SetHideSelection default True;
property HotTrack: Boolean read FHotTrack write SetHotTrack default False;
property Indent: Integer read GetIndent write SetIndent;
property ReadOnly: Boolean read FReadOnly write SetReadOnly default False;
property RightClickSelect: Boolean read FRightClickSelect write FRightClickSelect default False;
property RowSelect: Boolean read FRowSelect write SetRowSelect default False;
property ShowButtons: Boolean read FShowButtons write SetButtonStyle default True;
property ShowLines: Boolean read FShowLines write SetLineStyle default True;
property ShowRoot: Boolean read FShowRoot write SetRootStyle default True;
property SortType: TSortType read FSortType write SetSortType default stNone;
property ToolTips: Boolean read FToolTips write SetToolTips default True;
property OnCustomDraw: TTVCustomDrawEvent read FOnCustomDraw write FOnCustomDraw;
property OnCustomDrawItem: TTVCustomDrawItemEvent read FOnCustomDrawItem write FOnCustomDrawItem;
property OnEditing: TTVEditingEvent read FOnEditing write FOnEditing;
property OnEdited: TTVEditedEvent read FOnEdited write FOnEdited;
property OnExpanding: TTVExpandingEvent read FOnExpanding write FOnExpanding;
property OnExpanded: TTVExpandedEvent read FOnExpanded write FOnExpanded;
property OnCollapsing: TTVCollapsingEvent read FOnCollapsing write FOnCollapsing;
property OnCollapsed: TTVExpandedEvent read FOnCollapsed write FOnCollapsed;
property OnChanging: TTVChangingEvent read FOnChanging write FOnChanging;
property OnChange: TTVChangedEvent read FOnChange write FOnChange;
property OnCompare: TTVCompareEvent read FOnCompare write FOnCompare;
property OnDeletion: TTVExpandedEvent read FOnDeletion write FOnDeletion;
property OnGetImageIndex: TTVExpandedEvent read FOnGetImageIndex write FOnGetImageIndex;
property OnGetSelectedIndex: TTVExpandedEvent read FOnGetSelectedIndex write FOnGetSelectedIndex;
*/
public:
TCustomTreeView(TComponent *AOwner);
TCustomTreeView(GtkWidget *parent);
property <TCustomTreeView, TTreeNode *> Selected;
virtual ~TCustomTreeView();
/*
function AlphaSort: Boolean;
function CustomSort(SortProc: TTVCompare; Data: Longint): Boolean;
procedure FullCollapse;
procedure FullExpand;
function GetHitTestInfoAt(X, Y: Integer): THitTests;
function GetNodeAt(X, Y: Integer): TTreeNode;
function IsEditing: Boolean;
procedure LoadFromFile(const FileName: string);
procedure LoadFromStream(Stream: TStream);
procedure SaveToFile(const FileName: string);
procedure SaveToStream(Stream: TStream);
property Canvas: TCanvas read FCanvas;
property DropTarget: TTreeNode read GetDropTarget write SetDropTarget;
property TopItem: TTreeNode read GetTopItem write SetTopItem;
*/
};
#endif
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