+ //
+
+ //
+ // Get the total number of items in the control
+ //
+ size_t GetCount(void) 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(void) const;
+ void SetIndent(unsigned int uIndent);
+
+ //
+ // Spacing is the number of pixels between the start and the Text
+ //
+ unsigned int GetSpacing(void) const { return 18; } // return wxGTK default
+ void SetSpacing(unsigned int uSpacing) { }
+
+ //
+ // Image list: these functions allow to associate an image list with
+ // the control and retrieve it. Note that 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.
+ //
+ // OS/2 doesn't really use imagelists as MSW does, but since the MSW
+ // control is the basis for this one, until I decide how to get rid of
+ // the need for them they are here for now.
+ //
+ wxImageList* GetImageList(void) const;
+ wxImageList* GetStateImageList(void) const;
+
+ void AssignImageList(wxImageList* pImageList);
+ void AssignStateImageList(wxImageList* pImageList);
+ void SetImageList(wxImageList* pImageList);
+ void SetStateImageList(wxImageList* pImageList);
+
+ //
+ // Functions to work with tree ctrl items. Unfortunately, they can _not_ be
+ // member functions of wxTreeItem because they must know the tree the item
+ // belongs to for Windows implementation and storing the pointer to
+ // wxTreeCtrl in each wxTreeItem is just too much waste.
+
+ //
+ // Item's label
+ //
+ wxString GetItemText(const wxTreeItemId& rItem) const;
+ void SetItemText( const wxTreeItemId& rItem
+ ,const wxString& rsText
+ );
+
+ //
+ // One of the images associated with the item (normal by default)
+ //
+ int GetItemImage( const wxTreeItemId& rItem
+ ,wxTreeItemIcon vWhich = wxTreeItemIcon_Normal
+ ) const;
+ void SetItemImage( const wxTreeItemId& rItem
+ ,int nImage
+ ,wxTreeItemIcon vWhich = wxTreeItemIcon_Normal
+ );
+
+ //
+ // Data associated with the item
+ //
+ wxTreeItemData* GetItemData(const wxTreeItemId& rItem) const;
+ void SetItemData( const wxTreeItemId& rItem
+ ,wxTreeItemData* pData
+ );
+
+ //
+ // Item's text colour
+ //
+ wxColour GetItemTextColour(const wxTreeItemId& rItem) const;
+ void SetItemTextColour( const wxTreeItemId& rItem
+ ,const wxColour& rColor
+ );
+
+ //
+ // Item's background colour
+ //
+ wxColour GetItemBackgroundColour(const wxTreeItemId& rItem) const;
+ void SetItemBackgroundColour( const wxTreeItemId& rItem
+ ,const wxColour& rColour
+ );
+
+ //
+ // Item's font
+ //
+ wxFont GetItemFont(const wxTreeItemId& rItem) const;
+ void SetItemFont( const wxTreeItemId& rItem
+ ,const wxFont& rFont
+ );
+
+ //
+ // 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& rItem
+ ,bool bHas = TRUE
+ );
+
+ //
+ // The item will be shown in bold
+ //
+ void SetItemBold( const wxTreeItemId& rItem
+ ,bool bBold = TRUE
+ );
+
+ //
+ // The item will be shown with a drop highlight
+ //
+ void SetItemDropHighlight( const wxTreeItemId& rItem
+ ,bool bHighlight = TRUE
+ );
+
+ //
+ // Item status inquiries
+ // ---------------------
+ //
+
+ //
+ // Is the item visible (it might be outside the view or not expanded)?
+ //
+ bool IsVisible(const wxTreeItemId& rItem) const;
+
+ //
+ // Does the item has any children?
+ //
+ bool ItemHasChildren(const wxTreeItemId& rItem) const;
+
+ //
+ // Is the item expanded (only makes sense if HasChildren())?
+ //
+ bool IsExpanded(const wxTreeItemId& rItem) const;
+
+ //
+ // Is this item currently selected (the same as has focus)?
+ //
+ bool IsSelected(const wxTreeItemId& rItem) const;
+
+ //
+ // Is item text in bold font?
+ //
+ bool IsBold(const wxTreeItemId& rItem) const;
+
+ //
+ // 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& rItem
+ ,bool bRecursively = TRUE
+ ) const;
+
+ //
+ // Navigation
+ // ----------
+ //
+
+ //
+ // Get the root tree item
+ //
+ wxTreeItemId GetRootItem(void) const;
+
+ //
+ // Get the item currently selected (may return NULL if no selection)
+ //
+ wxTreeItemId GetSelection(void) const;
+
+ //
+ // Get the items currently selected, return the number of such item
+ //
+ size_t GetSelections(wxArrayTreeItemIds& rSelections) const;
+
+ //
+ // Get the parent of this item (may return NULL if root)
+ //
+ wxTreeItemId GetItemParent(const wxTreeItemId& rItem) const;
+
+#if WXWIN_COMPATIBILITY_2_2
+ // deprecated: Use GetItemParent instead.
+ wxTreeItemId GetParent(const wxTreeItemId& rItem) const
+ { return GetItemParent(rItem); }
+
+ // Expose the base class method hidden by the one above.
+ wxWindow* GetParent(void) const { return wxControl::GetParent(); }
+#endif // WXWIN_COMPATIBILITY_2_2
+
+ // 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!
+
+ // get the first child of this item
+ wxTreeItemId GetFirstChild(const wxTreeItemId& item,
+ wxTreeItemIdValue& cookie) const;
+ // get the next child
+ wxTreeItemId GetNextChild(const wxTreeItemId& item,
+ wxTreeItemIdValue& cookie) const;
+
+ //
+ // Get the last child of this item - this method doesn't use cookies
+ //
+ wxTreeItemId GetLastChild(const wxTreeItemId& rItem) const;
+
+ //
+ // Get the next sibling of this item
+ //
+ wxTreeItemId GetNextSibling(const wxTreeItemId& rItem) const;
+
+ //
+ // Get the previous sibling
+ //
+ wxTreeItemId GetPrevSibling(const wxTreeItemId& rItem) const;
+
+ //
+ // Get first visible item
+ //
+ wxTreeItemId GetFirstVisibleItem(void) const;
+
+ //
+ // Get the next visible item: item must be visible itself!
+ // see IsVisible() and wxTreeCtrl::GetFirstVisibleItem()
+ //
+ wxTreeItemId GetNextVisible(const wxTreeItemId& rItem) const;
+
+ //
+ // Get the previous visible item: item must be visible itself!
+ //
+ wxTreeItemId GetPrevVisible(const wxTreeItemId& rItem) const;
+
+ //
+ // Operations
+ // ----------
+ //
+
+ //
+ // Add the root node to the tree
+ //
+ wxTreeItemId AddRoot( const wxString& rsText
+ ,int nImage = -1
+ ,int nSelectedImage = -1
+ ,wxTreeItemData* pData = NULL
+ );
+
+ //
+ // Insert a new item in as the first child of the parent
+ //
+ wxTreeItemId PrependItem( const wxTreeItemId& rParent
+ ,const wxString& rsText
+ ,int nImage = -1
+ ,int nSelectedImage = -1
+ ,wxTreeItemData* pData = NULL
+ );
+
+ //
+ // Insert a new item after a given one
+ //
+ wxTreeItemId InsertItem( const wxTreeItemId& rParent
+ ,const wxTreeItemId& rIdPrevious
+ ,const wxString& rsText
+ ,int nImage = -1
+ ,int nSelectedImage = -1
+ ,wxTreeItemData* pData = NULL
+ );
+
+ //
+ // Insert a new item before the one with the given index
+ //
+ wxTreeItemId InsertItem( const wxTreeItemId& pParent
+ ,size_t nIndex
+ ,const wxString& rsText
+ ,int nImage = -1
+ ,int nSelectedImage = -1
+ ,wxTreeItemData* pData = NULL
+ );
+
+ //
+ // Insert a new item in as the last child of the parent
+ //
+ wxTreeItemId AppendItem( const wxTreeItemId& rParent
+ ,const wxString& rsText
+ ,int nImage = -1
+ ,int nSelectedImage = -1
+ ,wxTreeItemData* pData = NULL
+ );
+
+ //
+ // Delete this item and associated data if any
+ //
+ void Delete(const wxTreeItemId& rItem);
+
+ //
+ // Delete all children (but don't delete the item itself)
+ //
+ void DeleteChildren(const wxTreeItemId& rItem);
+
+ //
+ // Delete all items from the tree
+ //
+ void DeleteAllItems(void);
+
+ //
+ // Expand this item
+ //
+ void Expand(const wxTreeItemId& rItem);
+
+ //
+ // Collapse the item without removing its children
+ //
+ void Collapse(const wxTreeItemId& rItem);
+
+ //
+ // Collapse the item and remove all children
+ //
+ void CollapseAndReset(const wxTreeItemId& rItem);
+
+ //
+ // Toggles the current state
+ //
+ void Toggle(const wxTreeItemId& rItem);
+
+ //
+ // Remove the selection from currently selected item (if any)
+ //
+ void Unselect(void);
+
+ //
+ // Unselect all items (only makes sense for multiple selection control)
+ //
+ void UnselectAll(void);
+
+ //
+ // Select this item
+ //
+ void SelectItem(const wxTreeItemId& rItem);
+
+ //
+ // Make sure this item is visible (expanding the parent item and/or
+ // scrolling to this item if necessary)
+ //
+ void EnsureVisible(const wxTreeItemId& rItem);
+
+ //
+ // Scroll to this item (but don't expand its parent)
+ //
+ void ScrollTo(const wxTreeItemId& rItem);
+
+ //
+ // OS/2 does not use a separate edit field for editting text. Here for
+ // interface compatibility, only.
+ //
+ wxTextCtrl* EditLabel( const wxTreeItemId& rItem
+ ,wxClassInfo* pTextCtrlClass = CLASSINFO(wxTextCtrl)
+ );
+
+ //
+ // returns NULL for OS/2 in ALL cases
+ //
+ wxTextCtrl* GetEditControl(void) const {return (wxTextCtrl*)NULL;}
+
+ //
+ // End editing and accept or discard the changes to item label
+ //
+ void EndEditLabel( const wxTreeItemId& rItem
+ ,bool bDiscardChanges = FALSE
+ );
+
+ //
+ // 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& rItem1
+ ,const wxTreeItemId& rItem2
+ );
+
+ //
+ // Sort the children of this item using OnCompareItems
+ //
+ void SortChildren(const wxTreeItemId& rItem);
+
+ //
+ // Helpers
+ // -------
+ //
+
+ //
+ // Determine to which item (if any) belongs the given point (the
+ // coordinates specified are relative to the client area of tree ctrl)
+ // and fill the flags parameter with a bitmask of wxTREE_HITTEST_xxx
+ // constants.
+
+ //
+ // 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& rPoint)
+ { int nDummy = 0; return HitTest(rPoint, nDummy); }
+ wxTreeItemId HitTest( const wxPoint& rPoint
+ ,int& rFlags
+ );
+
+ //
+ // Get the bounding rectangle of the item (or of its label only)
+ //
+ bool GetBoundingRect( const wxTreeItemId& rItem
+ ,wxRect& rRect
+ ,bool bTextOnly = FALSE
+ ) const;
+
+ //
+ // Deprecated