X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/978f38c238bb83dbb5a73104e4e6870d984dd058..d8af5b3aadd90a5348855b8bb66f979413380ca2:/include/wx/msw/treectrl.h?ds=inline diff --git a/include/wx/msw/treectrl.h b/include/wx/msw/treectrl.h index 3864830c01..117a79090c 100644 --- a/include/wx/msw/treectrl.h +++ b/include/wx/msw/treectrl.h @@ -1,556 +1,287 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: treectrl.h +// Name: wx/msw/treectrl.h // Purpose: wxTreeCtrl class // Author: Julian Smart // Modified by: Vadim Zeitlin to be less MSW-specific on 10/10/98 // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef _WX_TREECTRL_H_ -#define _WX_TREECTRL_H_ +#ifndef _WX_MSW_TREECTRL_H_ +#define _WX_MSW_TREECTRL_H_ // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma interface "treectrl.h" -#endif -#include "wx/control.h" -#include "wx/event.h" +#if wxUSE_TREECTRL + #include "wx/textctrl.h" +#include "wx/dynarray.h" +#include "wx/treebase.h" +#include "wx/hashmap.h" #ifdef __GNUWIN32__ -# ifdef GetFirstChild -# undef GetFirstChild -# endif - -# ifdef GetNextSibling -# undef GetNextSibling -# endif -#endif - -// the type for "untyped" data -typedef long wxDataType; + // Cygwin windows.h defines these identifiers + #undef GetFirstChild + #undef GetNextSibling +#endif // Cygwin // fwd decl class WXDLLEXPORT wxImageList; -struct WXDLLEXPORT wxTreeViewItem; - -// a callback function used for sorting tree items, it should return -1 if the -// first item precedes the second, +1 if the second precedes the first or 0 if -// they're equivalent -class wxTreeItemData; - -// ---------------------------------------------------------------------------- -// constants -// ---------------------------------------------------------------------------- - -// values for the `flags' parameter of wxTreeCtrl::HitTest() which determine -// where exactly the specified point is situated: - // above the client area. -static const int wxTREE_HITTEST_ABOVE = 0x0001; - // below the client area. -static const int wxTREE_HITTEST_BELOW = 0x0002; - // in the client area but below the last item. -static const int wxTREE_HITTEST_NOWHERE = 0x0004; - // on the button associated with an item. -static const int wxTREE_HITTEST_ONITEMBUTTON = 0x0010; - // on the bitmap associated with an item. -static const int wxTREE_HITTEST_ONITEMICON = 0x0020; - // in the indentation associated with an item. -static const int wxTREE_HITTEST_ONITEMINDENT = 0x0040; - // on the label (string) associated with an item. -static const int wxTREE_HITTEST_ONITEMLABEL = 0x0080; - // in the area to the right of an item. -static const int wxTREE_HITTEST_ONITEMRIGHT = 0x0100; - // on the state icon for a tree view item that is in a user-defined state. -static const int wxTREE_HITTEST_ONITEMSTATEICON = 0x0200; - // to the right of the client area. -static const int wxTREE_HITTEST_TOLEFT = 0x0400; - // to the left of the client area. -static const int wxTREE_HITTEST_TORIGHT = 0x0800; - // anywhere on the item -static const int wxTREE_HITTEST_ONITEM = wxTREE_HITTEST_ONITEMICON | - wxTREE_HITTEST_ONITEMLABEL | - wxTREE_HITTEST_ONITEMSTATEICON; - -// NB: all the following flags are for compatbility only and will be removed in the -// next versions - -// flags for deprecated `Expand(int action)' -enum -{ - wxTREE_EXPAND_EXPAND, - wxTREE_EXPAND_COLLAPSE, - wxTREE_EXPAND_COLLAPSE_RESET, - wxTREE_EXPAND_TOGGLE -}; - -// flags for deprecated InsertItem() variant -#define wxTREE_INSERT_FIRST 0xFFFF0001 -#define wxTREE_INSERT_LAST 0xFFFF0002 - -// ---------------------------------------------------------------------------- -// wxTreeItemId identifies an element of the tree. In this implementation, it's -// just a trivial wrapper around Win32 HTREEITEM. It's opaque for the -// application. -// ---------------------------------------------------------------------------- -class WXDLLEXPORT wxTreeItemId -{ -public: - // ctors - // 0 is invalid value for HTREEITEM - wxTreeItemId() { m_itemId = 0; } - - // default copy ctor/assignment operator are ok for us - - // accessors - // is this a valid tree item? - bool IsOk() const { return m_itemId != 0; } - - // conversion to/from either real (system-dependent) tree item id or - // to "long" which used to be the type for tree item ids in previous - // versions of wxWindows - - // for wxTreeCtrl usage only - wxTreeItemId(WXHTREEITEM itemId) { m_itemId = (long)itemId; } - operator WXHTREEITEM() const { return (WXHTREEITEM)m_itemId; } - - void operator=(WXHTREEITEM item) { m_itemId = (long) item; } - -protected: - long m_itemId; -}; - -// ---------------------------------------------------------------------------- -// wxTreeItemData is some (arbitrary) user class associated with some item. The -// main advantage of having this class (compared to old untyped interface) is -// that wxTreeItemData's are destroyed automatically by the tree and, as this -// class has virtual dtor, it means that the memory will be automatically -// freed. OTOH, we don't just use wxObject instead of wxTreeItemData because -// the size of this class is critical: in any real application, each tree leaf -// will have wxTreeItemData associated with it and number of leaves may be -// quite big. -// -// Because the objects of this class are deleted by the tree, they should -// always be allocated on the heap! -// ---------------------------------------------------------------------------- -class WXDLLEXPORT wxTreeItemData : private wxTreeItemId -{ -public: - // default ctor/copy ctor/assignment operator are ok - - // dtor is virtual and all the items are deleted by the tree control when - // it's deleted, so you normally don't have to care about freeing memory - // allocated in your wxTreeItemData-derived class - virtual ~wxTreeItemData() { } - - // accessors: set/get the item associated with this node - void SetId(const wxTreeItemId& id) { m_itemId = id; } -#ifdef __WATCOMC__ - const wxTreeItemId GetId() const { return m_itemId; } -#else - const wxTreeItemId& GetId() const { return (wxTreeItemId&) m_itemId; } +class WXDLLEXPORT wxDragImage; +struct WXDLLIMPEXP_FWD_CORE wxTreeViewItem; + +#if WXWIN_COMPATIBILITY_2_6 + // NB: all the following flags are for compatbility only and will be removed in the + // next versions + // flags for deprecated InsertItem() variant (their values are the same as of + // TVI_FIRST and TVI_LAST) + #define wxTREE_INSERT_FIRST 0xFFFF0001 + #define wxTREE_INSERT_LAST 0xFFFF0002 #endif -}; + +// hash storing attributes for our items +WX_DECLARE_EXPORTED_VOIDPTR_HASH_MAP(wxTreeItemAttr *, wxMapTreeAttr); // ---------------------------------------------------------------------------- // wxTreeCtrl // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxTreeCtrl : public wxControl + +class WXDLLEXPORT wxTreeCtrl : public wxTreeCtrlBase { public: // creation // -------- wxTreeCtrl() { Init(); } - wxTreeCtrl(wxWindow *parent, wxWindowID id = -1, + wxTreeCtrl(wxWindow *parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT, const wxValidator& validator = wxDefaultValidator, - const wxString& name = "wxTreeCtrl") + const wxString& name = wxTreeCtrlNameStr) { Create(parent, id, pos, size, style, validator, name); } virtual ~wxTreeCtrl(); - 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_HAS_BUTTONS | wxTR_LINES_AT_ROOT, const wxValidator& validator = wxDefaultValidator, - const wxString& name = "wxTreeCtrl"); - - // 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; - void SetIndent(unsigned int indent); - - // 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; - wxImageList *GetStateImageList() const; - - void SetImageList(wxImageList *imageList); - void SetStateImageList(wxImageList *imageList); - - // 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 - // --------- - - // retrieve items label - wxString GetItemText(const wxTreeItemId& item) const; - // get the normal item image - int GetItemImage(const wxTreeItemId& item) const; - // get the selected item image - int GetItemSelectedImage(const wxTreeItemId& item) const; - // get the data associated with the item - wxTreeItemData *GetItemData(const wxTreeItemId& item) const; - - // modifiers - // --------- - - // set items label - void SetItemText(const wxTreeItemId& item, const wxString& text); - // set the normal item image - void SetItemImage(const wxTreeItemId& item, int image); - // set the selected item image - void SetItemSelectedImage(const wxTreeItemId& item, int image); - // 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); - - // the item will be shown in bold - void SetItemBold(const wxTreeItemId& item, bool bold = TRUE); + const wxString& name = wxTreeCtrlNameStr); + + // implement base class pure virtuals + // ---------------------------------- + + virtual unsigned int GetCount() const; + + virtual unsigned int GetIndent() const; + virtual void SetIndent(unsigned int indent); + + virtual void SetImageList(wxImageList *imageList); + virtual void SetStateImageList(wxImageList *imageList); + + 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); // 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 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; + 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; - // 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); + virtual size_t GetChildrenCount(const wxTreeItemId& item, + bool recursively = true) const; // navigation // ---------- - // wxTreeItemId.IsOk() will return FALSE if there is no such item - - // get the root tree item - wxTreeItemId GetRootItem() const; + virtual wxTreeItemId GetRootItem() const; + virtual wxTreeItemId GetSelection() const; + virtual size_t GetSelections(wxArrayTreeItemIds& selections) const; - // get the item currently selected (may return NULL if no selection) - wxTreeItemId GetSelection() const; + 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; - // get the parent of this item (may return NULL if root) - wxTreeItemId GetParent(const wxTreeItemId& item) const; + virtual wxTreeItemId GetNextSibling(const wxTreeItemId& item) const; + virtual wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const; - // 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, 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; - - // get the next sibling of this item - wxTreeItemId GetNextSibling(const wxTreeItemId& item) const; - // get the previous sibling - wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const; - - // 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 wxTreeItemId GetFirstVisibleItem() const; + virtual wxTreeItemId GetNextVisible(const wxTreeItemId& item) const; + virtual wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const; // operations // ---------- - // add the root node to the tree - wxTreeItemId AddRoot(const wxString& text, + virtual wxTreeItemId AddRoot(const wxString& text, int image = -1, int selectedImage = -1, wxTreeItemData *data = NULL); - // 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 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); - // 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(); - // select this item - void SelectItem(const wxTreeItemId& item); - // 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); - - // 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. - wxTextCtrl* EditLabel(const wxTreeItemId& item, - wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl)); - // 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) - wxTextCtrl* GetEditControl() const; - // end editing and accept or discard the changes to item label - void EndEditLabel(const wxTreeItemId& item, bool discardChanges = 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& 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); - - // 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& 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) - // @@@ do we really need to expose this functions to the application? - void GetBoundingRect(const wxTreeItemId& item, - wxRect& rect, - bool textOnly = FALSE) const; - - // deprecated - // ---------- + virtual void Delete(const wxTreeItemId& item); + virtual void DeleteChildren(const wxTreeItemId& item); + virtual void DeleteAllItems(); - // these methods are deprecated and will be removed in future versions of - // wxWindows, they're here for compatibility only, don't use them in new - // code (the comments indicate why these methods are now useless and how to - // replace them) + virtual void Expand(const wxTreeItemId& item); + virtual void Collapse(const wxTreeItemId& item); + virtual void CollapseAndReset(const wxTreeItemId& item); + virtual void Toggle(const wxTreeItemId& item); - // use Expand, Collapse, CollapseAndReset or Toggle - void ExpandItem(const wxTreeItemId& item, int action); + virtual void Unselect(); + virtual void UnselectAll(); + virtual void SelectItem(const wxTreeItemId& item, bool select = true); - // use AddRoot, PrependItem or AppendItem - wxTreeItemId InsertItem(const wxTreeItemId& parent, - const wxString& text, - int image = -1, int selImage = -1, - long insertAfter = wxTREE_INSERT_LAST); + virtual void EnsureVisible(const wxTreeItemId& item); + virtual void ScrollTo(const wxTreeItemId& item); - // use Set/GetImageList and Set/GetStateImageList - wxImageList *GetImageList(int) const - { return GetImageList(); } - void SetImageList(wxImageList *imageList, int) - { SetImageList(imageList); } + virtual wxTextCtrl *EditLabel(const wxTreeItemId& item, + wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl)); + virtual wxTextCtrl *GetEditControl() const; + virtual void EndEditLabel(const wxTreeItemId& WXUNUSED(item), + bool discardChanges = false) + { + DoEndEditLabel(discardChanges); + } + + virtual void SortChildren(const wxTreeItemId& item); + + virtual bool GetBoundingRect(const wxTreeItemId& item, + wxRect& rect, + bool textOnly = false) const; // implementation // -------------- - void Command(wxCommandEvent& event) { ProcessCommand(event); }; - virtual bool MSWCommand(WXUINT param, WXWORD id); - virtual bool MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result); -protected: - // SetImageList helper - void SetAnyImageList(wxImageList *imageList, int which); + virtual wxVisualAttributes GetDefaultAttributes() const + { + return GetClassDefaultAttributes(GetWindowVariant()); + } - wxTextCtrl* m_textCtrl; // used while editing the item label - wxImageList *m_imageListNormal, // images for tree elements - *m_imageListState; // special images for app defined states + static wxVisualAttributes + GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL); -private: - // the common part of all ctors - void Init(); - // helper functions - inline bool DoGetItem(wxTreeViewItem *tvItem) const; - inline void DoSetItem(wxTreeViewItem *tvItem); + virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam); + virtual WXLRESULT MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam); + virtual bool MSWCommand(WXUINT param, WXWORD id); + virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result); + virtual bool MSWShouldPreProcessMessage(WXMSG* msg); - inline void DoExpand(const wxTreeItemId& item, int flag); + // override some base class virtuals + virtual bool SetBackgroundColour(const wxColour &colour); + virtual bool SetForegroundColour(const wxColour &colour); - wxTreeItemId DoInsertItem(const wxTreeItemId& parent, - wxTreeItemId hInsertAfter, - const wxString& text, - int image, int selectedImage, - wxTreeItemData *data); + // get/set the check state for the item (only for wxTR_MULTIPLE) + bool IsItemChecked(const wxTreeItemId& item) const; + void SetItemCheck(const wxTreeItemId& item, bool check = true); - void DeleteTextCtrl(); + // set/get the item state.image (state == -1 means cycle to the next one) + void SetState(const wxTreeItemId& node, int state); + int GetState(const wxTreeItemId& node); - DECLARE_DYNAMIC_CLASS(wxTreeCtrl) -}; +protected: + // SetImageList helper + void SetAnyImageList(wxImageList *imageList, int which); -// ---------------------------------------------------------------------------- -// 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 -// ---------------------------------------------------------------------------- -class WXDLLEXPORT wxTreeEvent : public wxNotifyEvent -{ -friend wxTreeCtrl; -public: - wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0); + // refresh a single item + void RefreshItem(const wxTreeItemId& item); + + // end edit label + void DoEndEditLabel(bool discardChanges = false); - // 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; } + virtual wxTreeItemId DoInsertItem(const wxTreeItemId& parent, + size_t pos, + 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; - // for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events, get the previously - // selected item - wxTreeItemId GetOldItem() const { return m_itemOld; } + // obtain the user data for the lParam member of TV_ITEM + class wxTreeItemParam *GetItemParam(const wxTreeItemId& item) const; - // 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; } - // keyboard code (for wxEVT_COMMAND_TREE_KEY_DOWN only) - int GetCode() const { return m_code; } + // data used only while editing the item label: + wxTextCtrl *m_textCtrl; // text control in which it is edited + wxTreeItemId m_idEdited; // the item being edited private: - // @@ we could save some space by using union here - int m_code; - wxTreeItemId m_item, - m_itemOld; - wxPoint m_pointDrag; + // the common part of all ctors + void Init(); - DECLARE_DYNAMIC_CLASS(wxTreeEvent) -}; + // helper functions + bool DoGetItem(wxTreeViewItem *tvItem) const; + void DoSetItem(wxTreeViewItem *tvItem); -typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&); + void DoExpand(const wxTreeItemId& item, int flag); -// ---------------------------------------------------------------------------- -// macros for handling tree control events -// ---------------------------------------------------------------------------- + void DeleteTextCtrl(); + + // return true if the item is the hidden root one (i.e. it's the root item + // and the tree has wxTR_HIDE_ROOT style) + bool IsHiddenRoot(const wxTreeItemId& item) const; -// 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 -#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 }, + // the hash storing the items attributes (indexed by item ids) + wxMapTreeAttr m_attrs; -// 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 }, + // true if the hash above is not empty + bool m_hasAnyAttr; -// 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 }, +#if wxUSE_DRAGIMAGE + // used for dragging + wxDragImage *m_dragImage; +#endif -// 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 }, + // Virtual root item, if wxTR_HIDE_ROOT is set. + void* m_pVirtualRoot; -// 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 }, + // the starting item for selection with Shift + wxTreeItemId m_htSelStart, m_htClickedItem; + wxPoint m_ptClick; -// 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 }, + friend class wxTreeItemIndirectData; + friend class wxTreeSortHelper; -// 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 }, + DECLARE_DYNAMIC_CLASS(wxTreeCtrl) + DECLARE_NO_COPY_CLASS(wxTreeCtrl) +}; -#endif - // _WX_TREECTRL_H_ +#endif // wxUSE_TREECTRL + +#endif // _WX_MSW_TREECTRL_H_