X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2b5f62a0b2db198609b45dec622a018dae37008e..44c87b7d15d5c1f5926beffa4cd5c9d1d2045e04:/include/wx/generic/treectlg.h?ds=inline diff --git a/include/wx/generic/treectlg.h b/include/wx/generic/treectlg.h index 8cf87709b1..bbfb740184 100644 --- a/include/wx/generic/treectlg.h +++ b/include/wx/generic/treectlg.h @@ -6,51 +6,51 @@ // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) 1997,1998 Robert Roebling -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _GENERIC_TREECTRL_H_ #define _GENERIC_TREECTRL_H_ -#if defined(__GNUG__) && !defined(__APPLE__) - #pragma interface "treectlg.h" -#endif - #if wxUSE_TREECTRL #include "wx/scrolwin.h" #include "wx/pen.h" -#include "wx/imaglist.h" // ----------------------------------------------------------------------------- // forward declaration // ----------------------------------------------------------------------------- -class WXDLLEXPORT wxGenericTreeItem; +class WXDLLIMPEXP_FWD_CORE wxGenericTreeItem; -class WXDLLEXPORT wxTreeItemData; +class WXDLLIMPEXP_FWD_CORE wxTreeItemData; -class WXDLLEXPORT wxTreeRenameTimer; -class WXDLLEXPORT wxTreeFindTimer; -class WXDLLEXPORT wxTreeTextCtrl; +class WXDLLIMPEXP_FWD_CORE wxTreeRenameTimer; +class WXDLLIMPEXP_FWD_CORE wxTreeFindTimer; +class WXDLLIMPEXP_FWD_CORE wxTreeTextCtrl; +class WXDLLIMPEXP_FWD_CORE wxTextCtrl; // ----------------------------------------------------------------------------- // wxGenericTreeCtrl - the tree control // ----------------------------------------------------------------------------- -class WXDLLEXPORT wxGenericTreeCtrl : public wxScrolledWindow +class WXDLLIMPEXP_CORE wxGenericTreeCtrl : public wxTreeCtrlBase, + public wxScrollHelper { public: // creation // -------- - wxGenericTreeCtrl() { Init(); } - wxGenericTreeCtrl(wxWindow *parent, wxWindowID id = -1, + wxGenericTreeCtrl() : wxTreeCtrlBase(), wxScrollHelper(this) { Init(); } + + wxGenericTreeCtrl(wxWindow *parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxTR_DEFAULT_STYLE, const wxValidator &validator = wxDefaultValidator, const wxString& name = wxTreeCtrlNameStr) + : wxTreeCtrlBase(), + wxScrollHelper(this) { Init(); Create(parent, id, pos, size, style, validator, name); @@ -58,283 +58,138 @@ public: virtual ~wxGenericTreeCtrl(); - bool Create(wxWindow *parent, wxWindowID id = -1, + bool Create(wxWindow *parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxTR_DEFAULT_STYLE, const wxValidator &validator = wxDefaultValidator, const wxString& name = wxTreeCtrlNameStr); - // accessors - // --------- - - // get the total number of items in the control - size_t GetCount() const; - - // indent is the number of pixels the children are indented relative to - // the parents position. SetIndent() also redraws the control - // immediately. - unsigned int GetIndent() const { return m_indent; } - void SetIndent(unsigned int indent); - - // spacing is the number of pixels between the start and the Text - unsigned int GetSpacing() const { return m_spacing; } - void SetSpacing(unsigned int spacing); - - // image list: these functions allow to associate an image list with - // the control and retrieve it. Note that when assigned with - // SetImageList, the control does _not_ delete - // the associated image list when it's deleted in order to allow image - // lists to be shared between different controls. If you use - // AssignImageList, the control _does_ delete the image list. - // - // The normal image list is for the icons which correspond to the - // normal tree item state (whether it is selected or not). - // Additionally, the application might choose to show a state icon - // which corresponds to an app-defined item state (for example, - // checked/unchecked) which are taken from the state image list. - wxImageList *GetImageList() const; - wxImageList *GetStateImageList() const; - wxImageList *GetButtonsImageList() const; - - void SetImageList(wxImageList *imageList); - void SetStateImageList(wxImageList *imageList); - void SetButtonsImageList(wxImageList *imageList); - void AssignImageList(wxImageList *imageList); - void AssignStateImageList(wxImageList *imageList); - void AssignButtonsImageList(wxImageList *imageList); - - // Functions to work with tree ctrl items. - // accessors - // --------- + // implement base class pure virtuals + // ---------------------------------- - // retrieve item's label - wxString GetItemText(const wxTreeItemId& item) const; - // get one of the images associated with the item (normal by default) - int GetItemImage(const wxTreeItemId& item, - wxTreeItemIcon which = wxTreeItemIcon_Normal) const; - // get the data associated with the item - wxTreeItemData *GetItemData(const wxTreeItemId& item) const; + virtual unsigned int GetCount() const; - // get the item's text colour - wxColour GetItemTextColour(const wxTreeItemId& item) const; + virtual unsigned int GetIndent() const { return m_indent; } + virtual void SetIndent(unsigned int indent); - // get the item's background colour - wxColour GetItemBackgroundColour(const wxTreeItemId& item) const; - // get the item's font - wxFont GetItemFont(const wxTreeItemId& item) const; + virtual void SetImageList(wxImageList *imageList); + virtual void SetStateImageList(wxImageList *imageList); - // modifiers - // --------- - - // set item's label - void SetItemText(const wxTreeItemId& item, const wxString& text); - // get one of the images associated with the item (normal by default) - void SetItemImage(const wxTreeItemId& item, int image, - wxTreeItemIcon which = wxTreeItemIcon_Normal); - // associate some data with the item - void SetItemData(const wxTreeItemId& item, wxTreeItemData *data); - - // force appearance of [+] button near the item. This is useful to - // allow the user to expand the items which don't have any children now - // - but instead add them only when needed, thus minimizing memory - // usage and loading time. - void SetItemHasChildren(const wxTreeItemId& item, bool has = TRUE); + virtual wxString GetItemText(const wxTreeItemId& item) const; + virtual int GetItemImage(const wxTreeItemId& item, + wxTreeItemIcon which = wxTreeItemIcon_Normal) const; + virtual wxTreeItemData *GetItemData(const wxTreeItemId& item) const; + virtual wxColour GetItemTextColour(const wxTreeItemId& item) const; + virtual wxColour GetItemBackgroundColour(const wxTreeItemId& item) const; + virtual wxFont GetItemFont(const wxTreeItemId& item) const; + + virtual void SetItemText(const wxTreeItemId& item, const wxString& text); + virtual void SetItemImage(const wxTreeItemId& item, + int image, + wxTreeItemIcon which = wxTreeItemIcon_Normal); + virtual void SetItemData(const wxTreeItemId& item, wxTreeItemData *data); + + virtual void SetItemHasChildren(const wxTreeItemId& item, bool has = true); + virtual void SetItemBold(const wxTreeItemId& item, bool bold = true); + virtual void SetItemDropHighlight(const wxTreeItemId& item, bool highlight = true); + virtual void SetItemTextColour(const wxTreeItemId& item, const wxColour& col); + virtual void SetItemBackgroundColour(const wxTreeItemId& item, const wxColour& col); + virtual void SetItemFont(const wxTreeItemId& item, const wxFont& font); + + virtual bool IsVisible(const wxTreeItemId& item) const; + virtual bool ItemHasChildren(const wxTreeItemId& item) const; + virtual bool IsExpanded(const wxTreeItemId& item) const; + virtual bool IsSelected(const wxTreeItemId& item) const; + virtual bool IsBold(const wxTreeItemId& item) const; + + virtual size_t GetChildrenCount(const wxTreeItemId& item, + bool recursively = true) const; - // the item will be shown in bold - void SetItemBold(const wxTreeItemId& item, bool bold = TRUE); + // navigation + // ---------- - // set the item's text colour - void SetItemTextColour(const wxTreeItemId& item, const wxColour& col); + virtual wxTreeItemId GetRootItem() const { return m_anchor; } + virtual wxTreeItemId GetSelection() const + { + wxASSERT_MSG( !HasFlag(wxTR_MULTIPLE), + wxT("must use GetSelections() with this control") ); - // set the item's background colour - void SetItemBackgroundColour(const wxTreeItemId& item, const wxColour& col); + return m_current; + } + virtual size_t GetSelections(wxArrayTreeItemIds&) const; - // set the item's font (should be of the same height for all items) - void SetItemFont(const wxTreeItemId& item, const wxFont& font); + virtual wxTreeItemId GetItemParent(const wxTreeItemId& item) const; + virtual wxTreeItemId GetFirstChild(const wxTreeItemId& item, + wxTreeItemIdValue& cookie) const; + virtual wxTreeItemId GetNextChild(const wxTreeItemId& item, + wxTreeItemIdValue& cookie) const; + virtual wxTreeItemId GetLastChild(const wxTreeItemId& item) const; + virtual wxTreeItemId GetNextSibling(const wxTreeItemId& item) const; + virtual wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const; - // set the window font - virtual bool SetFont( const wxFont &font ); + virtual wxTreeItemId GetFirstVisibleItem() const; + virtual wxTreeItemId GetNextVisible(const wxTreeItemId& item) const; + virtual wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const; - // set the styles. No need to specify a GetWindowStyle here since - // the base wxWindow member function will do it for us - void SetWindowStyle(const long styles); - - // item status inquiries - // --------------------- - - // is the item visible (it might be outside the view or not expanded)? - bool IsVisible(const wxTreeItemId& item) const; - // does the item has any children? - bool HasChildren(const wxTreeItemId& item) const - { return ItemHasChildren(item); } - bool ItemHasChildren(const wxTreeItemId& item) const; - // is the item expanded (only makes sense if HasChildren())? - bool IsExpanded(const wxTreeItemId& item) const; - // is this item currently selected (the same as has focus)? - bool IsSelected(const wxTreeItemId& item) const; - // is item text in bold font? - bool IsBold(const wxTreeItemId& item) const; - // does the layout include space for a button? - - // number of children - // ------------------ - - // if 'recursively' is FALSE, only immediate children count, otherwise - // the returned number is the number of all items in this branch - size_t GetChildrenCount(const wxTreeItemId& item, bool recursively = TRUE); - // navigation + // operations // ---------- - // wxTreeItemId.IsOk() will return FALSE if there is no such item + virtual wxTreeItemId AddRoot(const wxString& text, + int image = -1, int selectedImage = -1, + wxTreeItemData *data = NULL); - // get the root tree item - wxTreeItemId GetRootItem() const { return m_anchor; } + virtual void Delete(const wxTreeItemId& item); + virtual void DeleteChildren(const wxTreeItemId& item); + virtual void DeleteAllItems(); - // get the item currently selected (may return NULL if no selection) - wxTreeItemId GetSelection() const { return m_current; } + virtual void Expand(const wxTreeItemId& item); + virtual void Collapse(const wxTreeItemId& item); + virtual void CollapseAndReset(const wxTreeItemId& item); + virtual void Toggle(const wxTreeItemId& item); - // get the items currently selected, return the number of such item - size_t GetSelections(wxArrayTreeItemIds&) const; + virtual void Unselect(); + virtual void UnselectAll(); + virtual void SelectItem(const wxTreeItemId& item, bool select = true); - // get the parent of this item (may return NULL if root) - wxTreeItemId GetParent(const wxTreeItemId& item) const; + virtual void EnsureVisible(const wxTreeItemId& item); + virtual void ScrollTo(const wxTreeItemId& item); - // for this enumeration function you must pass in a "cookie" parameter - // which is opaque for the application but is necessary for the library - // to make these functions reentrant (i.e. allow more than one - // enumeration on one and the same object simultaneously). Of course, - // the "cookie" passed to GetFirstChild() and GetNextChild() should be - // the same! + virtual wxTextCtrl *EditLabel(const wxTreeItemId& item, + wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl)); + virtual wxTextCtrl *GetEditControl() const; + virtual void EndEditLabel(const wxTreeItemId& item, + bool discardChanges = false); - // get the first child of this item - wxTreeItemId GetFirstChild(const wxTreeItemId& item, long& cookie) const; - // get the next child - wxTreeItemId GetNextChild(const wxTreeItemId& item, long& cookie) const; - // get the last child of this item - this method doesn't use cookies - wxTreeItemId GetLastChild(const wxTreeItemId& item) const; + virtual void SortChildren(const wxTreeItemId& item); - // get the next sibling of this item - wxTreeItemId GetNextSibling(const wxTreeItemId& item) const; - // get the previous sibling - wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const; + // items geometry + // -------------- - // get first visible item - wxTreeItemId GetFirstVisibleItem() const; - // get the next visible item: item must be visible itself! - // see IsVisible() and wxTreeCtrl::GetFirstVisibleItem() - wxTreeItemId GetNextVisible(const wxTreeItemId& item) const; - // get the previous visible item: item must be visible itself! - wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const; + virtual bool GetBoundingRect(const wxTreeItemId& item, + wxRect& rect, + bool textOnly = false) const; - // Only for internal use right now, but should probably be public - wxTreeItemId GetNext(const wxTreeItemId& item) const; - // operations - // ---------- + // this version specific methods + // ----------------------------- - // add the root node to the tree - wxTreeItemId AddRoot(const wxString& text, - int image = -1, int selectedImage = -1, - wxTreeItemData *data = NULL); + wxImageList *GetButtonsImageList() const { return m_imageListButtons; } + void SetButtonsImageList(wxImageList *imageList); + void AssignButtonsImageList(wxImageList *imageList); - // insert a new item in as the first child of the parent - wxTreeItemId PrependItem(const wxTreeItemId& parent, - const wxString& text, - int image = -1, int selectedImage = -1, - wxTreeItemData *data = NULL); - - // insert a new item after a given one - wxTreeItemId InsertItem(const wxTreeItemId& parent, - const wxTreeItemId& idPrevious, - const wxString& text, - int image = -1, int selectedImage = -1, - wxTreeItemData *data = NULL); - - // insert a new item before the one with the given index - wxTreeItemId InsertItem(const wxTreeItemId& parent, - size_t index, - const wxString& text, - int image = -1, int selectedImage = -1, - wxTreeItemData *data = NULL); - - // insert a new item in as the last child of the parent - wxTreeItemId AppendItem(const wxTreeItemId& parent, - const wxString& text, - int image = -1, int selectedImage = -1, - wxTreeItemData *data = NULL); - - // delete this item and associated data if any - void Delete(const wxTreeItemId& item); - // delete all children (but don't delete the item itself) - // NB: this won't send wxEVT_COMMAND_TREE_ITEM_DELETED events - void DeleteChildren(const wxTreeItemId& item); - // delete all items from the tree - // NB: this won't send wxEVT_COMMAND_TREE_ITEM_DELETED events - void DeleteAllItems(); - - // expand this item - void Expand(const wxTreeItemId& item); - // expand this item and all subitems recursively - void ExpandAll(const wxTreeItemId& item); - // collapse the item without removing its children - void Collapse(const wxTreeItemId& item); - // collapse the item and remove all children - void CollapseAndReset(const wxTreeItemId& item); - // toggles the current state - void Toggle(const wxTreeItemId& item); - - // remove the selection from currently selected item (if any) - void Unselect(); - void UnselectAll(); - // select this item - void SelectItem(const wxTreeItemId& item, bool unselect_others=TRUE, bool extended_select=FALSE); - // make sure this item is visible (expanding the parent item and/or - // scrolling to this item if necessary) - void EnsureVisible(const wxTreeItemId& item); - // scroll to this item (but don't expand its parent) - void ScrollTo(const wxTreeItemId& item); - void AdjustMyScrollbars(); + void SetDropEffectAboveItem( bool above = false ) { m_dropEffectAboveItem = above; } + bool GetDropEffectAboveItem() const { return m_dropEffectAboveItem; } + + wxTreeItemId GetNext(const wxTreeItemId& item) const; - // The first function is more portable (because easier to implement - // on other platforms), but the second one returns some extra info. - wxTreeItemId HitTest(const wxPoint& point) - { int dummy; return HitTest(point, dummy); } - wxTreeItemId HitTest(const wxPoint& point, int& flags); - - // get the bounding rectangle of the item (or of its label only) - bool GetBoundingRect(const wxTreeItemId& item, - wxRect& rect, - bool textOnly = FALSE) const; - - // Start editing the item label: this (temporarily) replaces the item - // with a one line edit control. The item will be selected if it hadn't - // been before. - void EditLabel( const wxTreeItemId& item ) { Edit( item ); } - void Edit( const wxTreeItemId& item ); - - // sorting - // this function is called to compare 2 items and should return -1, 0 - // or +1 if the first item is less than, equal to or greater than the - // second one. The base class version performs alphabetic comparaison - // of item labels (GetText) - virtual int OnCompareItems(const wxTreeItemId& item1, - const wxTreeItemId& item2); - // sort the children of this item using OnCompareItems - // - // NB: this function is not reentrant and not MT-safe (FIXME)! - void SortChildren(const wxTreeItemId& item); - - // deprecated functions: use Set/GetItemImage directly - // get the selected item image - int GetItemSelectedImage(const wxTreeItemId& item) const - { return GetItemImage(item, wxTreeItemIcon_Selected); } - // set the selected item image - void SetItemSelectedImage(const wxTreeItemId& item, int image) - { SetItemImage(item, image, wxTreeItemIcon_Selected); } +#if WXWIN_COMPATIBILITY_2_6 + // use EditLabel() instead + void Edit( const wxTreeItemId& item ) { EditLabel(item); } +#endif // WXWIN_COMPATIBILITY_2_6 // implementation only from now on @@ -342,15 +197,34 @@ public: virtual bool SetBackgroundColour(const wxColour& colour); virtual bool SetForegroundColour(const wxColour& colour); + virtual void Refresh(bool eraseBackground = true, const wxRect *rect = NULL); + + virtual bool SetFont( const wxFont &font ); + virtual void SetWindowStyle(const long styles); + // callbacks void OnPaint( wxPaintEvent &event ); void OnSetFocus( wxFocusEvent &event ); void OnKillFocus( wxFocusEvent &event ); void OnChar( wxKeyEvent &event ); void OnMouse( wxMouseEvent &event ); - void OnIdle( wxIdleEvent &event ); + void OnGetToolTip( wxTreeEvent &event ); + void OnSize( wxSizeEvent &event ); + void OnInternalIdle( ); + + virtual wxVisualAttributes GetDefaultAttributes() const + { + return GetClassDefaultAttributes(GetWindowVariant()); + } + + static wxVisualAttributes + GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL); // implementation helpers + void AdjustMyScrollbars(); + + WX_FORWARD_TO_SCROLL_HELPER() + protected: friend class wxGenericTreeItem; friend class wxTreeRenameTimer; @@ -362,42 +236,43 @@ protected: wxGenericTreeItem *m_anchor; wxGenericTreeItem *m_current, - *m_key_current; + *m_key_current, + // A hint to select a parent item after deleting a child + *m_select_me; unsigned short m_indent; - unsigned short m_spacing; int m_lineHeight; wxPen m_dottedPen; wxBrush *m_hilightBrush, *m_hilightUnfocusedBrush; bool m_hasFocus; bool m_dirty; - bool m_ownsImageListNormal, - m_ownsImageListState, - m_ownsImageListButtons; + bool m_ownsImageListButtons; bool m_isDragging; // true between BEGIN/END drag events bool m_lastOnSame; // last click on the same item as prev - wxImageList *m_imageListNormal, - *m_imageListState, - *m_imageListButtons; + wxImageList *m_imageListButtons; int m_dragCount; wxPoint m_dragStart; wxGenericTreeItem *m_dropTarget; wxCursor m_oldCursor; // cursor is changed while dragging wxGenericTreeItem *m_oldSelection; + wxGenericTreeItem *m_underMouse; // for visual effects + wxTreeTextCtrl *m_textCtrl; wxTimer *m_renameTimer; - wxBitmap *m_arrowRight, - *m_arrowDown; - // incremental search data wxString m_findPrefix; wxTimer *m_findTimer; + bool m_dropEffectAboveItem; + // the common part of all ctors void Init(); + // overridden wxWindow methods + virtual void DoThaw(); + // misc helpers void SendDeleteEvent(wxGenericTreeItem *itemBeingDeleted); @@ -405,18 +280,33 @@ protected: void DrawLine(const wxTreeItemId& item, bool below); void DrawDropEffect(wxGenericTreeItem *item); - wxTreeItemId DoInsertItem(const wxTreeItemId& parent, - size_t previous, - const wxString& text, - int image, int selectedImage, - wxTreeItemData *data); + void DoSelectItem(const wxTreeItemId& id, + bool unselect_others = true, + bool extended_select = false); + + virtual int DoGetItemState(const wxTreeItemId& item) const; + virtual void DoSetItemState(const wxTreeItemId& item, int state); + + virtual wxTreeItemId DoInsertItem(const wxTreeItemId& parent, + size_t previous, + const wxString& text, + int image, + int selectedImage, + wxTreeItemData *data); + virtual wxTreeItemId DoInsertAfter(const wxTreeItemId& parent, + const wxTreeItemId& idPrevious, + const wxString& text, + int image = -1, int selImage = -1, + wxTreeItemData *data = NULL); + virtual wxTreeItemId DoTreeHitTest(const wxPoint& point, int& flags) const; + + // called by wxTextTreeCtrl when it marks itself for deletion + void ResetTextControl(); // find the first item starting with the given prefix after the given item wxTreeItemId FindItem(const wxTreeItemId& id, const wxString& prefix) const; - bool HasButtons(void) const - { return (m_imageListButtons != NULL) - || HasFlag(wxTR_TWIST_BUTTONS|wxTR_HAS_BUTTONS); } + bool HasButtons() const { return HasFlag(wxTR_HAS_BUTTONS); } void CalculateLineHeight(); int GetLineHeight(wxGenericTreeItem *item) const; @@ -425,7 +315,6 @@ protected: void CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y ); void CalculatePositions(); - void CalculateSize( wxGenericTreeItem *item, wxDC &dc ); void RefreshSubtree( wxGenericTreeItem *item ); void RefreshLine( wxGenericTreeItem *item ); @@ -445,26 +334,32 @@ protected: bool TagAllChildrenUntilLast(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select); bool TagNextChildren(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select); void UnselectAllChildren( wxGenericTreeItem *item ); + void ChildrenClosing(wxGenericTreeItem* item); + + void DoDirtyProcessing(); + + virtual wxSize DoGetBestSize() const; private: DECLARE_EVENT_TABLE() DECLARE_DYNAMIC_CLASS(wxGenericTreeCtrl) + DECLARE_NO_COPY_CLASS(wxGenericTreeCtrl) }; -#if !defined(__WXMSW__) || defined(__WIN16__) || defined(__WXUNIVERSAL__) +#if !defined(__WXMSW__) || defined(__WXUNIVERSAL__) /* * wxTreeCtrl has to be a real class or we have problems with * the run-time information. */ -class WXDLLEXPORT wxTreeCtrl: public wxGenericTreeCtrl +class WXDLLIMPEXP_CORE wxTreeCtrl: public wxGenericTreeCtrl { DECLARE_DYNAMIC_CLASS(wxTreeCtrl) public: wxTreeCtrl() {} - wxTreeCtrl(wxWindow *parent, wxWindowID id = -1, + wxTreeCtrl(wxWindow *parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxTR_DEFAULT_STYLE, @@ -474,9 +369,8 @@ public: { } }; -#endif // !__WXMSW__ || __WIN16__ || __WXUNIVERSAL__ +#endif // !__WXMSW__ || __WXUNIVERSAL__ #endif // wxUSE_TREECTRL #endif // _GENERIC_TREECTRL_H_ -