- DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
-
- public:
-
- wxTreeCtrl(void);
- wxTreeCtrl(wxWindow *parent, const wxWindowID id = -1,
- const wxPoint& pos = wxDefaultPosition,
- const wxSize& size = wxDefaultSize,
- const long style = wxTR_HAS_BUTTONS,
- const wxString& name = "wxTreeCtrl" );
- ~wxTreeCtrl(void);
- bool Create(wxWindow *parent, const wxWindowID id = -1,
- const wxPoint& pos = wxDefaultPosition,
- const wxSize& size = wxDefaultSize,
- const long style = wxTR_HAS_BUTTONS,
- const wxString& name = "wxTreeCtrl");
-
- int GetCount(void) const;
- long InsertItem( const long parent, const wxString& label, const int image = -1,
- const int selImage = -1, const long insertAfter = wxTREE_INSERT_LAST );
- long InsertItem( const long parent, wxTreeItem &info, const long insertAfter = wxTREE_INSERT_LAST );
- bool DeleteAllItems(void);
- bool ExpandItem( const long item, const int action );
- bool GetItem( wxTreeItem &info ) const;
- long GetItemData( const long item ) const;
- wxString GetItemText( const long item ) const;
- long GetParent( const long item ) const;
- long GetRootItem(void) const;
- long GetSelection(void) const;
- bool SelectItem( const long item ) const;
- bool ItemHasChildren( const long item ) const;
- void SetIndent( const int indent );
- int GetIndent(void) const;
- bool SetItem( wxTreeItem &info );
- bool SetItemData( const long item, const long data );
- bool SetItemText( const long item, const wxString &text );
- long HitTest( const wxPoint& point, int &flags );
-
- void AdjustMyScrollbars(void);
- void PaintLevel( wxGenericTreeItem *item, wxPaintDC &dc, int level, int &y );
- void OnPaint( const wxPaintEvent &event );
- void OnSetFocus( const wxFocusEvent &event );
- void OnKillFocus( const wxFocusEvent &event );
+public:
+ // creation
+ // --------
+ wxTreeCtrl() { Init(); }
+
+ wxTreeCtrl(wxWindow *parent, wxWindowID id = -1,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT,
+ const wxValidator &validator = wxDefaultValidator,
+ const wxString& name = wxTreeCtrlNameStr)
+ {
+ Create(parent, id, pos, size, style, validator, name);
+ }
+
+ virtual ~wxTreeCtrl();
+
+ bool Create(wxWindow *parent, wxWindowID id = -1,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT,
+ 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);
+
+ // 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.
+
+ // 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);
+
+ // 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;
+
+ // 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
+ // ----------
+
+ // wxTreeItemId.IsOk() will return FALSE if there is no such item
+
+ // get the root tree item
+ wxTreeItemId GetRootItem() const { return m_anchor; }
+
+ // get the item currently selected (may return NULL if no selection)
+ wxTreeItemId GetSelection() const { return m_current; }
+
+ // get the parent of this item (may return NULL if root)
+ wxTreeItemId GetParent(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;
+
+ // operations
+ // ----------
+
+ // add the root node to the tree
+ 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);
+
+ // 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);
+
+ // 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);
+
+ // callbacks
+ void OnPaint( wxPaintEvent &event );
+ void OnSetFocus( wxFocusEvent &event );
+ void OnKillFocus( wxFocusEvent &event );
projects / wxWidgets.git / blobdiff