///////////////////////////////////////////////////////////////////////////// // Name: wx/generic/treectlg.h // Purpose: wxTreeCtrl class // Author: Robert Roebling // Modified by: // Created: 01/02/97 // Copyright: (c) 1997,1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _GENERIC_TREECTRL_H_ #define _GENERIC_TREECTRL_H_ #if wxUSE_TREECTRL #include "wx/scrolwin.h" #include "wx/pen.h" // ----------------------------------------------------------------------------- // forward declaration // ----------------------------------------------------------------------------- class WXDLLIMPEXP_FWD_CORE wxGenericTreeItem; class WXDLLIMPEXP_FWD_CORE wxTreeItemData; 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 WXDLLIMPEXP_CORE wxGenericTreeCtrl : public wxTreeCtrlBase, public wxScrollHelper { public: // creation // -------- 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); } virtual ~wxGenericTreeCtrl(); 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); // implement base class pure virtuals // ---------------------------------- virtual unsigned int GetCount() const wxOVERRIDE; virtual unsigned int GetIndent() const wxOVERRIDE { return m_indent; } virtual void SetIndent(unsigned int indent) wxOVERRIDE; virtual void SetImageList(wxImageList *imageList) wxOVERRIDE; virtual void SetStateImageList(wxImageList *imageList) wxOVERRIDE; virtual wxString GetItemText(const wxTreeItemId& item) const wxOVERRIDE; virtual int GetItemImage(const wxTreeItemId& item, wxTreeItemIcon which = wxTreeItemIcon_Normal) const wxOVERRIDE; virtual wxTreeItemData *GetItemData(const wxTreeItemId& item) const wxOVERRIDE; virtual wxColour GetItemTextColour(const wxTreeItemId& item) const wxOVERRIDE; virtual wxColour GetItemBackgroundColour(const wxTreeItemId& item) const wxOVERRIDE; virtual wxFont GetItemFont(const wxTreeItemId& item) const wxOVERRIDE; virtual void SetItemText(const wxTreeItemId& item, const wxString& text) wxOVERRIDE; virtual void SetItemImage(const wxTreeItemId& item, int image, wxTreeItemIcon which = wxTreeItemIcon_Normal) wxOVERRIDE; virtual void SetItemData(const wxTreeItemId& item, wxTreeItemData *data) wxOVERRIDE; virtual void SetItemHasChildren(const wxTreeItemId& item, bool has = true) wxOVERRIDE; virtual void SetItemBold(const wxTreeItemId& item, bool bold = true) wxOVERRIDE; virtual void SetItemDropHighlight(const wxTreeItemId& item, bool highlight = true) wxOVERRIDE; virtual void SetItemTextColour(const wxTreeItemId& item, const wxColour& col) wxOVERRIDE; virtual void SetItemBackgroundColour(const wxTreeItemId& item, const wxColour& col) wxOVERRIDE; virtual void SetItemFont(const wxTreeItemId& item, const wxFont& font) wxOVERRIDE; virtual bool IsVisible(const wxTreeItemId& item) const wxOVERRIDE; virtual bool ItemHasChildren(const wxTreeItemId& item) const wxOVERRIDE; virtual bool IsExpanded(const wxTreeItemId& item) const wxOVERRIDE; virtual bool IsSelected(const wxTreeItemId& item) const wxOVERRIDE; virtual bool IsBold(const wxTreeItemId& item) const wxOVERRIDE; virtual size_t GetChildrenCount(const wxTreeItemId& item, bool recursively = true) const wxOVERRIDE; // navigation // ---------- virtual wxTreeItemId GetRootItem() const wxOVERRIDE { return m_anchor; } virtual wxTreeItemId GetSelection() const wxOVERRIDE { wxASSERT_MSG( !HasFlag(wxTR_MULTIPLE), wxT("must use GetSelections() with this control") ); return m_current; } virtual size_t GetSelections(wxArrayTreeItemIds&) const wxOVERRIDE; virtual wxTreeItemId GetFocusedItem() const wxOVERRIDE { return m_current; } virtual void ClearFocusedItem() wxOVERRIDE; virtual void SetFocusedItem(const wxTreeItemId& item) wxOVERRIDE; virtual wxTreeItemId GetItemParent(const wxTreeItemId& item) const wxOVERRIDE; virtual wxTreeItemId GetFirstChild(const wxTreeItemId& item, wxTreeItemIdValue& cookie) const wxOVERRIDE; virtual wxTreeItemId GetNextChild(const wxTreeItemId& item, wxTreeItemIdValue& cookie) const wxOVERRIDE; virtual wxTreeItemId GetLastChild(const wxTreeItemId& item) const wxOVERRIDE; virtual wxTreeItemId GetNextSibling(const wxTreeItemId& item) const wxOVERRIDE; virtual wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const wxOVERRIDE; virtual wxTreeItemId GetFirstVisibleItem() const wxOVERRIDE; virtual wxTreeItemId GetNextVisible(const wxTreeItemId& item) const wxOVERRIDE; virtual wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const wxOVERRIDE; // operations // ---------- virtual wxTreeItemId AddRoot(const wxString& text, int image = -1, int selectedImage = -1, wxTreeItemData *data = NULL) wxOVERRIDE; virtual void Delete(const wxTreeItemId& item) wxOVERRIDE; virtual void DeleteChildren(const wxTreeItemId& item) wxOVERRIDE; virtual void DeleteAllItems() wxOVERRIDE; virtual void Expand(const wxTreeItemId& item) wxOVERRIDE; virtual void Collapse(const wxTreeItemId& item) wxOVERRIDE; virtual void CollapseAndReset(const wxTreeItemId& item) wxOVERRIDE; virtual void Toggle(const wxTreeItemId& item) wxOVERRIDE; virtual void Unselect() wxOVERRIDE; virtual void UnselectAll() wxOVERRIDE; virtual void SelectItem(const wxTreeItemId& item, bool select = true) wxOVERRIDE; virtual void SelectChildren(const wxTreeItemId& parent) wxOVERRIDE; virtual void EnsureVisible(const wxTreeItemId& item) wxOVERRIDE; virtual void ScrollTo(const wxTreeItemId& item) wxOVERRIDE; virtual wxTextCtrl *EditLabel(const wxTreeItemId& item, wxClassInfo* textCtrlClass = wxCLASSINFO(wxTextCtrl)) wxOVERRIDE; virtual wxTextCtrl *GetEditControl() const wxOVERRIDE; virtual void EndEditLabel(const wxTreeItemId& item, bool discardChanges = false) wxOVERRIDE; virtual void EnableBellOnNoMatch(bool on = true) wxOVERRIDE; virtual void SortChildren(const wxTreeItemId& item) wxOVERRIDE; // items geometry // -------------- virtual bool GetBoundingRect(const wxTreeItemId& item, wxRect& rect, bool textOnly = false) const wxOVERRIDE; // this version specific methods // ----------------------------- wxImageList *GetButtonsImageList() const { return m_imageListButtons; } void SetButtonsImageList(wxImageList *imageList); void AssignButtonsImageList(wxImageList *imageList); void SetDropEffectAboveItem( bool above = false ) { m_dropEffectAboveItem = above; } bool GetDropEffectAboveItem() const { return m_dropEffectAboveItem; } wxTreeItemId GetNext(const wxTreeItemId& item) const; // implementation only from now on // overridden base class virtuals virtual bool SetBackgroundColour(const wxColour& colour) wxOVERRIDE; virtual bool SetForegroundColour(const wxColour& colour) wxOVERRIDE; virtual void Refresh(bool eraseBackground = true, const wxRect *rect = NULL) wxOVERRIDE; virtual bool SetFont( const wxFont &font ) wxOVERRIDE; virtual void SetWindowStyleFlag(long styles) wxOVERRIDE; // callbacks void OnPaint( wxPaintEvent &event ); void OnSetFocus( wxFocusEvent &event ); void OnKillFocus( wxFocusEvent &event ); void OnKeyDown( wxKeyEvent &event ); void OnChar( wxKeyEvent &event ); void OnMouse( wxMouseEvent &event ); void OnGetToolTip( wxTreeEvent &event ); void OnSize( wxSizeEvent &event ); void OnInternalIdle( ) wxOVERRIDE; virtual wxVisualAttributes GetDefaultAttributes() const wxOVERRIDE { 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; friend class wxTreeFindTimer; friend class wxTreeTextCtrl; wxFont m_normalFont; wxFont m_boldFont; wxGenericTreeItem *m_anchor; wxGenericTreeItem *m_current, *m_key_current, // A hint to select a parent item after deleting a child *m_select_me; unsigned short m_indent; int m_lineHeight; wxPen m_dottedPen; wxBrush *m_hilightBrush, *m_hilightUnfocusedBrush; bool m_hasFocus; bool m_dirty; 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_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 enum { NoEffect, BorderEffect, AboveEffect, BelowEffect } m_dndEffect; wxGenericTreeItem *m_dndEffectItem; wxTreeTextCtrl *m_textCtrl; wxTimer *m_renameTimer; // incremental search data wxString m_findPrefix; wxTimer *m_findTimer; // This flag is set to 0 if the bell is disabled, 1 if it is enabled and -1 // if it is globally enabled but has been temporarily disabled because we // had already beeped for this particular search. int m_findBell; bool m_dropEffectAboveItem; // the common part of all ctors void Init(); // overridden wxWindow methods virtual void DoThaw() wxOVERRIDE; // misc helpers void SendDeleteEvent(wxGenericTreeItem *itemBeingDeleted); void DrawBorder(const wxTreeItemId& item); void DrawLine(const wxTreeItemId& item, bool below); void DrawDropEffect(wxGenericTreeItem *item); void DoSelectItem(const wxTreeItemId& id, bool unselect_others = true, bool extended_select = false); virtual int DoGetItemState(const wxTreeItemId& item) const wxOVERRIDE; virtual void DoSetItemState(const wxTreeItemId& item, int state) wxOVERRIDE; virtual wxTreeItemId DoInsertItem(const wxTreeItemId& parent, size_t previous, const wxString& text, int image, int selectedImage, wxTreeItemData *data) wxOVERRIDE; virtual wxTreeItemId DoInsertAfter(const wxTreeItemId& parent, const wxTreeItemId& idPrevious, const wxString& text, int image = -1, int selImage = -1, wxTreeItemData *data = NULL) wxOVERRIDE; virtual wxTreeItemId DoTreeHitTest(const wxPoint& point, int& flags) const wxOVERRIDE; // 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() const { return HasFlag(wxTR_HAS_BUTTONS); } void CalculateLineHeight(); int GetLineHeight(wxGenericTreeItem *item) const; void PaintLevel( wxGenericTreeItem *item, wxDC& dc, int level, int &y ); void PaintItem( wxGenericTreeItem *item, wxDC& dc); void CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y ); void CalculatePositions(); void RefreshSubtree( wxGenericTreeItem *item ); void RefreshLine( wxGenericTreeItem *item ); // redraw all selected items void RefreshSelected(); // RefreshSelected() recursive helper void RefreshSelectedUnder(wxGenericTreeItem *item); void OnRenameTimer(); bool OnRenameAccept(wxGenericTreeItem *item, const wxString& value); void OnRenameCancelled(wxGenericTreeItem *item); void FillArray(wxGenericTreeItem*, wxArrayTreeItemIds&) const; void SelectItemRange( wxGenericTreeItem *item1, wxGenericTreeItem *item2 ); 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 wxOVERRIDE; private: // Reset the state of the last find (i.e. keyboard incremental search) // operation. void ResetFindState(); wxDECLARE_EVENT_TABLE(); wxDECLARE_DYNAMIC_CLASS(wxGenericTreeCtrl); wxDECLARE_NO_COPY_CLASS(wxGenericTreeCtrl); }; #if !defined(__WXMSW__) || defined(__WXUNIVERSAL__) /* * wxTreeCtrl has to be a real class or we have problems with * the run-time information. */ class WXDLLIMPEXP_CORE wxTreeCtrl: public wxGenericTreeCtrl { wxDECLARE_DYNAMIC_CLASS(wxTreeCtrl); public: wxTreeCtrl() {} wxTreeCtrl(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) : wxGenericTreeCtrl(parent, id, pos, size, style, validator, name) { } }; #endif // !__WXMSW__ || __WXUNIVERSAL__ #endif // wxUSE_TREECTRL #endif // _GENERIC_TREECTRL_H_