+/////////////////////////////////////////////////////////////////////////////
+// Name: wx/treectrl.h
+// Purpose: wxTreeCtrl base header
+// Author: Karsten Ballueder
+// Modified by:
+// Created:
+// Copyright: (c) Karsten Ballueder
+// RCS-ID: $Id$
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
#ifndef _WX_TREECTRL_H_BASE_
#define _WX_TREECTRL_H_BASE_
// headers
// ----------------------------------------------------------------------------
+#include "wx/defs.h"
+
+#if wxUSE_TREECTRL
+
#include "wx/control.h"
-#include "wx/event.h"
+#include "wx/treebase.h"
+#include "wx/textctrl.h" // wxTextCtrl::ms_classinfo used through CLASSINFO macro
+
+class WXDLLIMPEXP_FWD_CORE wxImageList;
// ----------------------------------------------------------------------------
-// constants
+// wxTreeCtrlBase
// ----------------------------------------------------------------------------
-// enum for different images associated with a treectrl item
-enum wxTreeItemIcon
+class WXDLLEXPORT wxTreeCtrlBase : public wxControl
{
- wxTreeItemIcon_Normal, // not selected, not expanded
- wxTreeItemIcon_Selected, // selected, not expanded
- wxTreeItemIcon_Expanded, // not selected, expanded
- wxTreeItemIcon_SelectedExpanded, // selected, expanded
- wxTreeItemIcon_Max
-};
+public:
+ wxTreeCtrlBase()
+ {
+ m_imageListNormal =
+ m_imageListState = NULL;
+ m_ownsImageListNormal =
+ m_ownsImageListState = false;
-// tree ctrl default name
-#ifdef __WXMSW__
- WXDLLEXPORT_DATA(extern const char*) wxTreeCtrlNameStr;
-#else
- #define wxTreeCtrlNameStr "wxTreeCtrl"
-#endif
+ // arbitrary default
+ m_spacing = 18;
-// ----------------------------------------------------------------------------
-// include the platform-dependent wxTreeCtrl class
-// ----------------------------------------------------------------------------
+ // quick DoGetBestSize calculation
+ m_quickBestSize = true;
+ }
-#if defined(__WXMSW__)
- #ifdef __WIN16__
- #include "wx/generic/treectrl.h"
- #else
- #include "wx/msw/treectrl.h"
- #endif
-#elif defined(__WXMOTIF__)
- #include "wx/generic/treectrl.h"
-#elif defined(__WXGTK__)
- #include "wx/generic/treectrl.h"
-#elif defined(__WXQT__)
- #include "wx/qt/treectrl.h"
-#elif defined(__WXMAC__)
- #include "wx/generic/treectrl.h"
-#elif defined(__WXPM__)
- #include "wx/os2/treectrl.h"
-#elif defined(__WXSTUBS__)
- #include "wx/generic/treectrl.h"
-#endif
+ virtual ~wxTreeCtrlBase();
-// ----------------------------------------------------------------------------
-// wxTreeEvent is a special class for all events associated with tree controls
-//
-// NB: note that not all accessors make sense for all events, see the event
-// descriptions below
-// ----------------------------------------------------------------------------
+ // accessors
+ // ---------
-class WXDLLEXPORT wxTreeEvent : public wxNotifyEvent
-{
- friend class WXDLLEXPORT wxTreeCtrl;
+ // get the total number of items in the control
+ virtual unsigned int GetCount() const = 0;
-public:
- wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0);
+ // indent is the number of pixels the children are indented relative to
+ // the parents position. SetIndent() also redraws the control
+ // immediately.
+ virtual unsigned int GetIndent() const = 0;
+ virtual void SetIndent(unsigned int indent) = 0;
+
+ // spacing is the number of pixels between the start and the Text
+ // (has no effect under wxMSW)
+ unsigned int GetSpacing() const { return m_spacing; }
+ void SetSpacing(unsigned int spacing) { m_spacing = spacing; }
+
+ // 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.
+ //
+ // 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 { return m_imageListNormal; }
+ wxImageList *GetStateImageList() const { return m_imageListState; }
+
+ virtual void SetImageList(wxImageList *imageList) = 0;
+ virtual void SetStateImageList(wxImageList *imageList) = 0;
+ void AssignImageList(wxImageList *imageList)
+ {
+ SetImageList(imageList);
+ m_ownsImageListNormal = true;
+ }
+ void AssignStateImageList(wxImageList *imageList)
+ {
+ SetStateImageList(imageList);
+ m_ownsImageListState = true;
+ }
+
+
+ // 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.
// accessors
- // get the item on which the operation was performed or the newly
- // selected item for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events
- wxTreeItemId GetItem() const { return m_item; }
+ // ---------
- // for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events, get the previously
- // selected item
- wxTreeItemId GetOldItem() const { return m_itemOld; }
+ // retrieve items label
+ virtual wxString GetItemText(const wxTreeItemId& item) const = 0;
+ // get one of the images associated with the item (normal by default)
+ virtual int GetItemImage(const wxTreeItemId& item,
+ wxTreeItemIcon which = wxTreeItemIcon_Normal) const = 0;
+ // get the data associated with the item
+ virtual wxTreeItemData *GetItemData(const wxTreeItemId& item) const = 0;
- // the point where the mouse was when the drag operation started (for
- // wxEVT_COMMAND_TREE_BEGIN_(R)DRAG events only)
- wxPoint GetPoint() const { return m_pointDrag; }
+ // get the item's text colour
+ virtual wxColour GetItemTextColour(const wxTreeItemId& item) const = 0;
- // keyboard code (for wxEVT_COMMAND_TREE_KEY_DOWN only)
- int GetCode() const { return m_code; }
+ // get the item's background colour
+ virtual wxColour GetItemBackgroundColour(const wxTreeItemId& item) const = 0;
- // label (for EVT_TREE_{BEGIN|END}_LABEL_EDIT only)
- const wxString& GetLabel() const { return m_label; }
+ // get the item's font
+ virtual wxFont GetItemFont(const wxTreeItemId& item) const = 0;
-private:
- // TODO we could save some space by using union here
- int m_code;
- wxTreeItemId m_item,
- m_itemOld;
- wxPoint m_pointDrag;
- wxString m_label;
+ // modifiers
+ // ---------
- DECLARE_DYNAMIC_CLASS(wxTreeEvent)
-};
+ // set items label
+ virtual void SetItemText(const wxTreeItemId& item, const wxString& text) = 0;
+ // set one of the images associated with the item (normal by default)
+ virtual void SetItemImage(const wxTreeItemId& item,
+ int image,
+ wxTreeItemIcon which = wxTreeItemIcon_Normal) = 0;
+ // associate some data with the item
+ virtual void SetItemData(const wxTreeItemId& item, wxTreeItemData *data) = 0;
+
+ // 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.
+ virtual void SetItemHasChildren(const wxTreeItemId& item,
+ bool has = true) = 0;
+
+ // the item will be shown in bold
+ virtual void SetItemBold(const wxTreeItemId& item, bool bold = true) = 0;
+
+ // the item will be shown with a drop highlight
+ virtual void SetItemDropHighlight(const wxTreeItemId& item,
+ bool highlight = true) = 0;
+
+ // set the items text colour
+ virtual void SetItemTextColour(const wxTreeItemId& item,
+ const wxColour& col) = 0;
+
+ // set the items background colour
+ virtual void SetItemBackgroundColour(const wxTreeItemId& item,
+ const wxColour& col) = 0;
+
+ // set the items font (should be of the same height for all items)
+ virtual void SetItemFont(const wxTreeItemId& item,
+ const wxFont& font) = 0;
+
+ // item status inquiries
+ // ---------------------
+
+ // is the item visible (it might be outside the view or not expanded)?
+ virtual bool IsVisible(const wxTreeItemId& item) const = 0;
+ // does the item has any children?
+ virtual bool ItemHasChildren(const wxTreeItemId& item) const = 0;
+ // same as above
+ bool HasChildren(const wxTreeItemId& item) const
+ { return ItemHasChildren(item); }
+ // is the item expanded (only makes sense if HasChildren())?
+ virtual bool IsExpanded(const wxTreeItemId& item) const = 0;
+ // is this item currently selected (the same as has focus)?
+ virtual bool IsSelected(const wxTreeItemId& item) const = 0;
+ // is item text in bold font?
+ virtual bool IsBold(const wxTreeItemId& item) const = 0;
+ // is the control empty?
+ bool IsEmpty() 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
+ virtual size_t GetChildrenCount(const wxTreeItemId& item,
+ bool recursively = true) const = 0;
+
+ // navigation
+ // ----------
+
+ // wxTreeItemId.IsOk() will return false if there is no such item
+
+ // get the root tree item
+ virtual wxTreeItemId GetRootItem() const = 0;
+
+ // get the item currently selected (may return NULL if no selection)
+ virtual wxTreeItemId GetSelection() const = 0;
+
+ // get the items currently selected, return the number of such item
+ //
+ // NB: this operation is expensive and can take a long time for a
+ // control with a lot of items (~ O(number of items)).
+ virtual size_t GetSelections(wxArrayTreeItemIds& selections) const = 0;
-typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);
+ // get the parent of this item (may return NULL if root)
+ virtual wxTreeItemId GetItemParent(const wxTreeItemId& item) const = 0;
+
+ // 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
+ virtual wxTreeItemId GetFirstChild(const wxTreeItemId& item,
+ wxTreeItemIdValue& cookie) const = 0;
+ // get the next child
+ virtual wxTreeItemId GetNextChild(const wxTreeItemId& item,
+ wxTreeItemIdValue& cookie) const = 0;
+ // get the last child of this item - this method doesn't use cookies
+ virtual wxTreeItemId GetLastChild(const wxTreeItemId& item) const = 0;
+
+ // get the next sibling of this item
+ virtual wxTreeItemId GetNextSibling(const wxTreeItemId& item) const = 0;
+ // get the previous sibling
+ virtual wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const = 0;
+
+ // get first visible item
+ virtual wxTreeItemId GetFirstVisibleItem() const = 0;
+ // get the next visible item: item must be visible itself!
+ // see IsVisible() and wxTreeCtrl::GetFirstVisibleItem()
+ virtual wxTreeItemId GetNextVisible(const wxTreeItemId& item) const = 0;
+ // get the previous visible item: item must be visible itself!
+ virtual wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const = 0;
+
+ // operations
+ // ----------
+
+ // add the root node to the tree
+ virtual wxTreeItemId AddRoot(const wxString& text,
+ int image = -1, int selImage = -1,
+ wxTreeItemData *data = NULL) = 0;
+
+ // insert a new item in as the first child of the parent
+ wxTreeItemId PrependItem(const wxTreeItemId& parent,
+ const wxString& text,
+ int image = -1, int selImage = -1,
+ wxTreeItemData *data = NULL)
+ {
+ return DoInsertItem(parent, 0u, text, image, selImage, data);
+ }
+
+ // insert a new item after a given one
+ wxTreeItemId InsertItem(const wxTreeItemId& parent,
+ const wxTreeItemId& idPrevious,
+ const wxString& text,
+ int image = -1, int selImage = -1,
+ wxTreeItemData *data = NULL)
+ {
+ return DoInsertAfter(parent, idPrevious, text, image, selImage, data);
+ }
+
+ // insert a new item before the one with the given index
+ wxTreeItemId InsertItem(const wxTreeItemId& parent,
+ size_t pos,
+ const wxString& text,
+ int image = -1, int selImage = -1,
+ wxTreeItemData *data = NULL)
+ {
+ return DoInsertItem(parent, pos, text, image, selImage, data);
+ }
+
+ // insert a new item in as the last child of the parent
+ wxTreeItemId AppendItem(const wxTreeItemId& parent,
+ const wxString& text,
+ int image = -1, int selImage = -1,
+ wxTreeItemData *data = NULL)
+ {
+ return DoInsertItem(parent, (size_t)-1, text, image, selImage, data);
+ }
+
+ // delete this item and associated data if any
+ virtual void Delete(const wxTreeItemId& item) = 0;
+ // delete all children (but don't delete the item itself)
+ // NB: this won't send wxEVT_COMMAND_TREE_ITEM_DELETED events
+ virtual void DeleteChildren(const wxTreeItemId& item) = 0;
+ // delete all items from the tree
+ // NB: this won't send wxEVT_COMMAND_TREE_ITEM_DELETED events
+ virtual void DeleteAllItems() = 0;
+
+ // expand this item
+ virtual void Expand(const wxTreeItemId& item) = 0;
+ // expand the item and all its children recursively
+ void ExpandAllChildren(const wxTreeItemId& item);
+ // expand all items
+ void ExpandAll();
+ // collapse the item without removing its children
+ virtual void Collapse(const wxTreeItemId& item) = 0;
+ // collapse the item and all its children
+ void CollapseAllChildren(const wxTreeItemId& item);
+ // collapse all items
+ void CollapseAll();
+ // collapse the item and remove all children
+ virtual void CollapseAndReset(const wxTreeItemId& item) = 0;
+ // toggles the current state
+ virtual void Toggle(const wxTreeItemId& item) = 0;
+
+ // remove the selection from currently selected item (if any)
+ virtual void Unselect() = 0;
+ // unselect all items (only makes sense for multiple selection control)
+ virtual void UnselectAll() = 0;
+ // select this item
+ virtual void SelectItem(const wxTreeItemId& item, bool select = true) = 0;
+ // unselect this item
+ void UnselectItem(const wxTreeItemId& item) { SelectItem(item, false); }
+ // toggle item selection
+ void ToggleItemSelection(const wxTreeItemId& item)
+ {
+ SelectItem(item, !IsSelected(item));
+ }
+
+ // make sure this item is visible (expanding the parent item and/or
+ // scrolling to this item if necessary)
+ virtual void EnsureVisible(const wxTreeItemId& item) = 0;
+ // scroll to this item (but don't expand its parent)
+ virtual void ScrollTo(const wxTreeItemId& item) = 0;
+
+ // 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. textCtrlClass parameter allows you to create an edit
+ // control of arbitrary user-defined class deriving from wxTextCtrl.
+ virtual wxTextCtrl *EditLabel(const wxTreeItemId& item,
+ wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl)) = 0;
+ // returns the same pointer as StartEdit() if the item is being edited,
+ // NULL otherwise (it's assumed that no more than one item may be
+ // edited simultaneously)
+ virtual wxTextCtrl *GetEditControl() const = 0;
+ // end editing and accept or discard the changes to item label
+ virtual void EndEditLabel(const wxTreeItemId& item,
+ bool discardChanges = false) = 0;
+
+ // 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)
+ {
+ return wxStrcmp(GetItemText(item1), GetItemText(item2));
+ }
+
+ // sort the children of this item using OnCompareItems
+ //
+ // NB: this function is not reentrant and not MT-safe (FIXME)!
+ virtual void SortChildren(const wxTreeItemId& item) = 0;
+
+ // items geometry
+ // --------------
+
+ // determine to which item (if any) belongs the given point (the
+ // coordinates specified are relative to the client area of tree ctrl)
+ // and, in the second variant, fill the flags parameter with a bitmask
+ // of wxTREE_HITTEST_xxx constants.
+ wxTreeItemId HitTest(const wxPoint& point) const
+ { int dummy; return DoTreeHitTest(point, dummy); }
+ wxTreeItemId HitTest(const wxPoint& point, int& flags) const
+ { return DoTreeHitTest(point, flags); }
+
+ // get the bounding rectangle of the item (or of its label only)
+ virtual bool GetBoundingRect(const wxTreeItemId& item,
+ wxRect& rect,
+ bool textOnly = false) const = 0;
+
+
+ // implementation
+ // --------------
+
+ virtual bool ShouldInheritColours() const { return false; }
+
+ // hint whether to calculate best size quickly or accurately
+ void SetQuickBestSize(bool q) { m_quickBestSize = q; }
+ bool GetQuickBestSize() const { return m_quickBestSize; }
+
+protected:
+ virtual wxSize DoGetBestSize() const;
+
+ // common part of Append/Prepend/InsertItem()
+ //
+ // pos is the position at which to insert the item or (size_t)-1 to append
+ // it to the end
+ virtual wxTreeItemId DoInsertItem(const wxTreeItemId& parent,
+ size_t pos,
+ const wxString& text,
+ int image, int selImage,
+ wxTreeItemData *data) = 0;
+
+ // and this function implements overloaded InsertItem() taking wxTreeItemId
+ // (it can't be called InsertItem() as we'd have virtual function hiding
+ // problem in derived classes then)
+ virtual wxTreeItemId DoInsertAfter(const wxTreeItemId& parent,
+ const wxTreeItemId& idPrevious,
+ const wxString& text,
+ int image = -1, int selImage = -1,
+ wxTreeItemData *data = NULL) = 0;
+
+ // real HitTest() implementation: again, can't be called just HitTest()
+ // because it's overloaded and so the non-virtual overload would be hidden
+ // (and can't be called DoHitTest() because this is already in wxWindow)
+ virtual wxTreeItemId DoTreeHitTest(const wxPoint& point,
+ int& flags) const = 0;
+
+
+ wxImageList *m_imageListNormal, // images for tree elements
+ *m_imageListState; // special images for app defined states
+ bool m_ownsImageListNormal,
+ m_ownsImageListState;
+
+ // spacing between left border and the text
+ unsigned int m_spacing;
+
+ // whether full or quick calculation is done in DoGetBestSize
+ bool m_quickBestSize;
+
+
+ DECLARE_NO_COPY_CLASS(wxTreeCtrlBase)
+};
// ----------------------------------------------------------------------------
-// macros for handling tree control events
+// include the platform-dependent wxTreeCtrl class
// ----------------------------------------------------------------------------
-// GetItem() returns the item being dragged, GetPoint() the mouse coords
-#define EVT_TREE_BEGIN_DRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_BEGIN_RDRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-
-// GetItem() returns the itme whose label is being edited, GetLabel() returns
-// the current item label for BEGIN and the would be new one for END.
-//
-// Vetoing BEGIN event means that label editing won't happen at all,
-// vetoing END means that the new value is discarded and the old one kept
-#define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_END_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-
-// provide/update information about GetItem() item
-#define EVT_TREE_GET_INFO(id, fn) { wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_SET_INFO(id, fn) { wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-
-// GetItem() is the item being expanded/collapsed, the "ING" versions can use
-#define EVT_TREE_ITEM_EXPANDED(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_ITEM_EXPANDING(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_ITEM_COLLAPSED(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_ITEM_COLLAPSING(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-
-// GetOldItem() is the item which had the selection previously, GetItem() is
-// the item which acquires selection
-#define EVT_TREE_SEL_CHANGED(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_SEL_CHANGING(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-
-// GetCode() returns the key code
-// NB: this is the only message for which GetItem() is invalid (you may get the
-// item from GetSelection())
-#define EVT_TREE_KEY_DOWN(id, fn) { wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-
-// GetItem() returns the item being deleted, the associated data (if any) will
-// be deleted just after the return of this event handler (if any)
-#define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-
-// GetItem() returns the item that was activated (double click, enter, space)
-#define EVT_TREE_ITEM_ACTIVATED(id, fn) { wxEVT_COMMAND_TREE_ITEM_ACTIVATED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-
-// GetItem() returns the item that was clicked on
-#define EVT_TREE_ITEM_RIGHT_CLICK(id, fn) { wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_ITEM_MIDDLE_CLICK(id, fn) { wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-
+#if defined(__WXUNIVERSAL__)
+ #include "wx/generic/treectlg.h"
+#elif defined(__WXPALMOS__)
+ #include "wx/generic/treectlg.h"
+#elif defined(__WXMSW__)
+ #include "wx/msw/treectrl.h"
+#elif defined(__WXMOTIF__)
+ #include "wx/generic/treectlg.h"
+#elif defined(__WXGTK__)
+ #include "wx/generic/treectlg.h"
+#elif defined(__WXMAC__)
+ #include "wx/generic/treectlg.h"
+#elif defined(__WXCOCOA__)
+ #include "wx/generic/treectlg.h"
+#elif defined(__WXPM__)
+ #include "wx/generic/treectlg.h"
#endif
- // _WX_TREECTRL_H_BASE_
+#endif // wxUSE_TREECTRL
+#endif // _WX_TREECTRL_H_BASE_
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