wxWidgets/include/wx/generic/treectlg.h
2009-06-19 23:34:51 +00:00

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14 KiB
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/////////////////////////////////////////////////////////////////////////////
// Name: wx/generic/treectlg.h
// Purpose: wxTreeCtrl class
// Author: Robert Roebling
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// 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;
virtual unsigned int GetIndent() const { return m_indent; }
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);
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;
virtual size_t GetChildrenCount(const wxTreeItemId& item,
bool recursively = true) const;
// navigation
// ----------
virtual wxTreeItemId GetRootItem() const { return m_anchor; }
virtual wxTreeItemId GetSelection() const
{
wxASSERT_MSG( !HasFlag(wxTR_MULTIPLE),
wxT("must use GetSelections() with this control") );
return m_current;
}
virtual size_t GetSelections(wxArrayTreeItemIds&) const;
virtual wxTreeItemId GetFocusedItem() const { return m_current; }
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;
virtual wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;
virtual wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const;
virtual wxTreeItemId GetFirstVisibleItem() const;
virtual wxTreeItemId GetNextVisible(const wxTreeItemId& item) const;
virtual wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const;
// operations
// ----------
virtual wxTreeItemId AddRoot(const wxString& text,
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
virtual void Delete(const wxTreeItemId& item);
virtual void DeleteChildren(const wxTreeItemId& item);
virtual void DeleteAllItems();
virtual void Expand(const wxTreeItemId& item);
virtual void Collapse(const wxTreeItemId& item);
virtual void CollapseAndReset(const wxTreeItemId& item);
virtual void Toggle(const wxTreeItemId& item);
virtual void Unselect();
virtual void UnselectAll();
virtual void SelectItem(const wxTreeItemId& item, bool select = true);
virtual void EnsureVisible(const wxTreeItemId& item);
virtual void ScrollTo(const wxTreeItemId& item);
virtual wxTextCtrl *EditLabel(const wxTreeItemId& item,
wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl));
virtual wxTextCtrl *GetEditControl() const;
virtual void EndEditLabel(const wxTreeItemId& item,
bool discardChanges = false);
virtual void SortChildren(const wxTreeItemId& item);
// items geometry
// --------------
virtual bool GetBoundingRect(const wxTreeItemId& item,
wxRect& rect,
bool textOnly = false) const;
// 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;
#if WXWIN_COMPATIBILITY_2_6
// use EditLabel() instead
void Edit( const wxTreeItemId& item ) { EditLabel(item); }
#endif // WXWIN_COMPATIBILITY_2_6
// implementation only from now on
// overridden base class virtuals
virtual bool SetBackgroundColour(const wxColour& colour);
virtual bool SetForegroundColour(const wxColour& colour);
virtual void Refresh(bool eraseBackground = true, const wxRect *rect = NULL);
virtual bool SetFont( const wxFont &font );
virtual void SetWindowStyle(const long styles);
// callbacks
void OnPaint( wxPaintEvent &event );
void OnSetFocus( wxFocusEvent &event );
void OnKillFocus( wxFocusEvent &event );
void OnChar( wxKeyEvent &event );
void OnMouse( wxMouseEvent &event );
void OnGetToolTip( wxTreeEvent &event );
void OnSize( wxSizeEvent &event );
void OnInternalIdle( );
virtual wxVisualAttributes GetDefaultAttributes() const
{
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;
bool m_dropEffectAboveItem;
// the common part of all ctors
void Init();
// overridden wxWindow methods
virtual void DoThaw();
// 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;
virtual void DoSetItemState(const wxTreeItemId& item, int state);
virtual wxTreeItemId DoInsertItem(const wxTreeItemId& parent,
size_t previous,
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;
// 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;
private:
DECLARE_EVENT_TABLE()
DECLARE_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
{
DECLARE_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_