/////////////////////////////////////////////////////////////////////////////
-// 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_
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "treectrl.h"
#endif
+#if wxUSE_TREECTRL
+
#include "wx/textctrl.h"
#include "wx/dynarray.h"
+#include "wx/treebase.h"
+#include "wx/hashmap.h"
#ifdef __GNUWIN32__
// Cygwin windows.h defines these identifiers
#undef GetNextSibling
#endif // Cygwin
-// the type for "untyped" data
-typedef long wxDataType;
-
// fwd decl
class WXDLLEXPORT wxImageList;
+class WXDLLEXPORT wxDragImage;
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
wxTREE_EXPAND_TOGGLE
};
-// flags for deprecated InsertItem() variant
+// 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
-// ----------------------------------------------------------------------------
-// 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;
-};
-
-WX_DEFINE_ARRAY(wxTreeItemId, wxArrayTreeItemIds);
-
-// ----------------------------------------------------------------------------
-// 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; }
- const wxTreeItemId GetId() const { return *this; }
-};
+// hash storing attributes for our items
+WX_DECLARE_EXPORTED_VOIDPTR_HASH_MAP(wxTreeItemAttr *, wxMapTreeAttr);
// ----------------------------------------------------------------------------
// wxTreeCtrl
// ----------------------------------------------------------------------------
+
class WXDLLEXPORT wxTreeCtrl : public wxControl
{
public:
// --------
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");
+ const wxString& name = wxTreeCtrlNameStr);
// accessors
// ---------
// 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;
+ virtual wxImageList *GetImageList() const;
+ virtual wxImageList *GetStateImageList() const;
- void SetImageList(wxImageList *imageList);
- void SetStateImageList(wxImageList *imageList);
+ virtual void SetImageList(wxImageList *imageList);
+ virtual void SetStateImageList(wxImageList *imageList);
+ virtual void AssignImageList(wxImageList *imageList);
+ virtual void AssignStateImageList(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
// retrieve items label
wxString GetItemText(const wxTreeItemId& item) const;
// get one of the images associated with the item (normal by default)
- int GetItemImage(const wxTreeItemId& item,
+ virtual int GetItemImage(const wxTreeItemId& item,
wxTreeItemIcon which = wxTreeItemIcon_Normal) const;
// get the data associated with the item
wxTreeItemData *GetItemData(const wxTreeItemId& item) const;
+ // get the item's text colour
+ wxColour GetItemTextColour(const wxTreeItemId& item) const;
+
+ // get the item's background colour
+ wxColour GetItemBackgroundColour(const wxTreeItemId& item) const;
+
+ // get the item's font
+ wxFont GetItemFont(const wxTreeItemId& item) const;
+
// modifiers
// ---------
// set items label
void SetItemText(const wxTreeItemId& item, const wxString& text);
// get one of the images associated with the item (normal by default)
- void SetItemImage(const wxTreeItemId& item, int image,
+ virtual void SetItemImage(const wxTreeItemId& item, int image,
wxTreeItemIcon which = wxTreeItemIcon_Normal);
// associate some data with the item
void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
// 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);
+ void SetItemHasChildren(const wxTreeItemId& item, bool has = true);
// the item will be shown in bold
- void SetItemBold(const wxTreeItemId& item, bool bold = TRUE);
+ void SetItemBold(const wxTreeItemId& item, bool bold = true);
// the item will be shown with a drop highlight
- void SetItemDropHighlight(const wxTreeItemId& item, bool highlight = TRUE);
+ void SetItemDropHighlight(const wxTreeItemId& item, bool highlight = true);
+
+ // set the items text colour
+ void SetItemTextColour(const wxTreeItemId& item, const wxColour& col);
+
+ // set the items background colour
+ void SetItemBackgroundColour(const wxTreeItemId& item, const wxColour& col);
+
+ // set the items font (should be of the same height for all items)
+ void SetItemFont(const wxTreeItemId& item, const wxFont& font);
// item status inquiries
// ---------------------
// number of children
// ------------------
- // if 'recursively' is FALSE, only immediate children count, otherwise
+ // 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) const;
+ bool recursively = true) const;
// navigation
// ----------
- // wxTreeItemId.IsOk() will return FALSE if there is no such item
+ // wxTreeItemId.IsOk() will return false if there is no such item
// get the root tree item
wxTreeItemId GetRootItem() const;
size_t GetSelections(wxArrayTreeItemIds& selections) const;
// get the parent of this item (may return NULL if root)
- wxTreeItemId GetParent(const wxTreeItemId& item) const;
+ wxTreeItemId GetItemParent(const wxTreeItemId& item) const;
+
+#if WXWIN_COMPATIBILITY_2_2
+ // deprecated: Use GetItemParent instead.
+ wxTreeItemId GetParent(const wxTreeItemId& item) const
+ { return GetItemParent( item ); }
+
+ // Expose the base class method hidden by the one above.
+ wxWindow *GetParent() const { return wxControl::GetParent(); }
+#endif // WXWIN_COMPATIBILITY_2_2
// for this enumeration function you must pass in a "cookie" parameter
// which is opaque for the application but is necessary for the library
// the same!
// get the first child of this item
- wxTreeItemId GetFirstChild(const wxTreeItemId& item, long& _cookie) const;
+ wxTreeItemId GetFirstChild(const wxTreeItemId& item,
+ wxTreeItemIdValue& cookie) const;
// get the next child
- wxTreeItemId GetNextChild(const wxTreeItemId& item, long& _cookie) const;
+ wxTreeItemId GetNextChild(const wxTreeItemId& item,
+ wxTreeItemIdValue& cookie) const;
// get the last child of this item - this method doesn't use cookies
wxTreeItemId GetLastChild(const wxTreeItemId& item) const;
// ----------
// 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,
+ virtual 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,
+ virtual wxTreeItemId InsertItem(const wxTreeItemId& parent,
const wxTreeItemId& idPrevious,
const wxString& text,
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
+ // insert a new item before the one with the given index
+ virtual wxTreeItemId InsertItem(const wxTreeItemId& parent,
+ size_t index,
+ 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,
+ virtual wxTreeItemId AppendItem(const wxTreeItemId& parent,
const wxString& text,
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
// unselect all items (only makes sense for multiple selection control)
void UnselectAll();
// select this item
- void SelectItem(const wxTreeItemId& item);
+ void SelectItem(const wxTreeItemId& item, bool select = true);
+ // unselect this item
+ void UnselectItem(const wxTreeItemId& item);
+ // toggle item selection
+ void ToggleItemSelection(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);
// edited simultaneously)
wxTextCtrl* GetEditControl() const;
// end editing and accept or discard the changes to item label
- void EndEditLabel(const wxTreeItemId& item, bool discardChanges = FALSE);
+ void EndEditLabel(const wxTreeItemId& item, bool discardChanges = false);
// sorting
// this function is called to compare 2 items and should return -1, 0
// get the bounding rectangle of the item (or of its label only)
bool GetBoundingRect(const wxTreeItemId& item,
wxRect& rect,
- bool textOnly = FALSE) const;
+ bool textOnly = false) const;
// deprecated
// ----------
+#if WXWIN_COMPATIBILITY_2_4
// 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
+ // wxWidgets, 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)
// use Expand, Collapse, CollapseAndReset or Toggle
- void ExpandItem(const wxTreeItemId& item, int action);
+ wxDEPRECATED( void ExpandItem(const wxTreeItemId& item, int action) );
// use AddRoot, PrependItem or AppendItem
- wxTreeItemId InsertItem(const wxTreeItemId& parent,
+ wxDEPRECATED( wxTreeItemId InsertItem(const wxTreeItemId& parent,
const wxString& text,
int image = -1, int selImage = -1,
- long insertAfter = wxTREE_INSERT_LAST);
+ long insertAfter = wxTREE_INSERT_LAST) );
// use Set/GetImageList and Set/GetStateImageList
- wxImageList *GetImageList(int) const
- { return GetImageList(); }
- void SetImageList(wxImageList *imageList, int)
- { SetImageList(imageList); }
+ wxImageList *GetImageList(int) const { return GetImageList(); }
+ void SetImageList(wxImageList *imageList, int) { SetImageList(imageList); }
// use Set/GetItemImage directly
- // get the selected item image
int GetItemSelectedImage(const wxTreeItemId& item) const
{ return GetItemImage(item, wxTreeItemIcon_Selected); }
- // set the selected item image
void SetItemSelectedImage(const wxTreeItemId& item, int image)
{ SetItemImage(item, image, wxTreeItemIcon_Selected); }
+ // use the versions taking wxTreeItemIdValue cookies
+ wxDEPRECATED( wxTreeItemId GetFirstChild(const wxTreeItemId& item,
+ long& cookie) const );
+ wxDEPRECATED( wxTreeItemId GetNextChild(const wxTreeItemId& item,
+ long& cookie) const );
+#endif // WXWIN_COMPATIBILITY_2_4
+
+
// implementation
// --------------
+
+ virtual bool ShouldInheritColours() const { return false; }
+
+ virtual wxVisualAttributes GetDefaultAttributes() const
+ {
+ return GetClassDefaultAttributes(GetWindowVariant());
+ }
+
+ static wxVisualAttributes
+ GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
+
+
+ virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
virtual bool MSWCommand(WXUINT param, WXWORD id);
virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
+ // override some base class virtuals
+ virtual bool SetBackgroundColour(const wxColour &colour);
+ virtual bool SetForegroundColour(const wxColour &colour);
+
// 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 SetItemCheck(const wxTreeItemId& item, bool check = true);
+
+ // 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);
protected:
// SetImageList helper
void SetAnyImageList(wxImageList *imageList, int which);
- wxTextCtrl *m_textCtrl; // used while editing the item label
+ // refresh a single item
+ void RefreshItem(const wxTreeItemId& item);
+
+ // 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
+
wxImageList *m_imageListNormal, // images for tree elements
*m_imageListState; // special images for app defined states
+ bool m_ownsImageListNormal,
+ m_ownsImageListState;
private:
// the common part of all ctors
void DeleteTextCtrl();
- // support for additional item images
- friend class wxTreeItemIndirectData;
+ // support for additional item images which we implement using
+ // wxTreeItemIndirectData technique - see the comments in msw/treectrl.cpp
void SetIndirectItemData(const wxTreeItemId& item,
- wxTreeItemIndirectData *data);
+ class wxTreeItemIndirectData *data);
bool HasIndirectData(const wxTreeItemId& item) const;
+ bool IsDataIndirect(wxTreeItemData *data) const
+ { return data && data->GetId().m_pItem == 0; }
+
+ // the hash storing the items attributes (indexed by item ids)
+ wxMapTreeAttr m_attrs;
+
+ // true if the hash above is not empty
+ bool m_hasAnyAttr;
+
+ // used for dragging
+ wxDragImage *m_dragImage;
- wxArrayTreeItemIds m_itemsWithIndirectData;
+ // Virtual root item, if wxTR_HIDE_ROOT is set.
+ void* m_pVirtualRoot;
+
+ // the starting item for selection with Shift
+ wxTreeItemId m_htSelStart;
+
+ friend class wxTreeItemIndirectData;
+ friend class wxTreeSortHelper;
DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
+ DECLARE_NO_COPY_CLASS(wxTreeCtrl)
};
+#endif // wxUSE_TREECTRL
+
#endif
// _WX_TREECTRL_H_
projects / wxWidgets.git / blobdiff