+++ /dev/null
-/////////////////////////////////////////////////////////////////////////////
-// Name: wx/gtk/treectrl.h
-// Purpose: wxTreeCtrl class
-// Author: Denis Pershin
-// Modified by:
-// Created: 08/08/98
-// RCS-ID: $Id$
-// Copyright: (c) Denis Pershin
-// Licence: wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
-
-#ifndef _WX_TREECTRL_H_
-#define _WX_TREECTRL_H_
-
-#include "wx/textctrl.h"
-#include "wx/imaglist.h"
-
-#include <gtk/gtk.h>
-
-// the type for "untyped" data
-typedef long wxDataType;
-
-// fwd decl
-class WXDLLIMPEXP_CORE wxImageList;
-struct 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 WXDLLIMPEXP_FWD_CORE wxTreeItemData;
-typedef int (*wxTreeItemCmpFunc)(wxTreeItemData *item1, wxTreeItemData *item2);
-
-// ----------------------------------------------------------------------------
-// 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;
-
-#if WXWIN_COMPATIBILITY_2_6
- // NB: all the following flags are for compatbility only and will be removed in
- // next versions
- // flags for deprecated InsertItem() variant
- #define wxTREE_INSERT_FIRST 0xFFFF0001
- #define wxTREE_INSERT_LAST 0xFFFF0002
-#endif
-
-// ----------------------------------------------------------------------------
-// wxTreeItemId identifies an element of the tree. In this implementation, it's
-// just a trivial wrapper around GTK GtkTreeItem *. It's opaque for the
-// application.
-// ----------------------------------------------------------------------------
-class WXDLLIMPEXP_CORE wxTreeItemId {
-public:
- // ctors
- wxTreeItemId() { m_itemId = NULL; }
-
- // default copy ctor/assignment operator are ok for us
-
- // accessors
- // is this a valid tree item?
- bool IsOk() const { return m_itemId != NULL; }
-
- // 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 wxWidgets
-
- // for wxTreeCtrl usage only
- wxTreeItemId(GtkTreeItem *itemId) { m_itemId = itemId; }
- operator GtkTreeItem *() const { return m_itemId; }
- void operator =(GtkTreeItem *item) { m_itemId = item; }
-
-protected:
- GtkTreeItem *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 WXDLLIMPEXP_CORE 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 (wxTreeItemId&) m_itemId; }
-};
-
-class WXDLLIMPEXP_CORE wxTreeCtrl: public wxControl
-{
-public:
- // creation
- // --------
- wxTreeCtrl() { Init(); }
-
- 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")
- {
- Create(parent, id, pos, size, style, validator, name);
- }
-
- virtual ~wxTreeCtrl();
-
- 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
- virtual unsigned int 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 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);
- // associate some data with the item
- void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
-
- // 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;
-
- // 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;
-
- // get the item currently selected (may return NULL if no selection)
- wxTreeItemId GetSelection() const;
-
- // get the parent of this item (may return NULL if root)
- wxTreeItemId GetItemParent(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 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 items from the tree
- 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);
-
- // sort the children of this item using the specified callback function
- // (it should return -1, 0 or +1 as usual), if it's not specified
- // alphabetical comparaison is performed.
- //
- // NB: this function is not reentrant!
- void SortChildren(const wxTreeItemId& item,
- wxTreeItemCmpFunc *cmpFunction = NULL);
-
- // deprecated
- // ----------
-
-#if WXWIN_COMPATIBILITY_2_6
- // these methods are deprecated and will be removed in future versions of
- // 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
- wxDEPRECATED( void ExpandItem(const wxTreeItemId& item, int action) );
-
- // use SetImageList
- wxDEPRECATED( void SetImageList(wxImageList *imageList, int) )
- { SetImageList(imageList); }
-
- // use Set/GetItemImage directly
- wxDEPRECATED( int GetItemSelectedImage(const wxTreeItemId& item) const );
- wxDEPRECATED( void SetItemSelectedImage(const wxTreeItemId& item, int image) );
-
- // use the versions taking wxTreeItemIdValue cookies
- wxDEPRECATED( wxTreeItemId GetFirstChild(const wxTreeItemId& item,
- long& cookie) const );
- wxDEPRECATED( wxTreeItemId GetNextChild(const wxTreeItemId& item,
- long& cookie) const );
- // use AddRoot, PrependItem or AppendItem
- wxDEPRECATED( wxTreeItemId InsertItem(const wxTreeItemId& parent,
- const wxString& text,
- int image = -1, int selImage = -1,
- long insertAfter = wxTREE_INSERT_LAST) );
-
-#endif // WXWIN_COMPATIBILITY_2_6
-
- // use Set/GetImageList and Set/GetStateImageList
- wxImageList *GetImageList(int) const
- { return GetImageList(); }
-
- void SendExpanding(const wxTreeItemId& item);
- void SendExpanded(const wxTreeItemId& item);
- void SendCollapsing(const wxTreeItemId& item);
- void SendCollapsed(const wxTreeItemId& item);
- void SendSelChanging(const wxTreeItemId& item);
- void SendSelChanged(const wxTreeItemId& item);
-
-protected:
-
- wxTreeItemId m_editItem;
- GtkTree *m_tree;
- GtkTreeItem *m_anchor;
- wxTextCtrl* m_textCtrl;
- wxImageList* m_imageListNormal;
- wxImageList* m_imageListState;
-
- long m_curitemId;
-
- void SendMessage(wxEventType command, const wxTreeItemId& item);
-// GtkTreeItem *findGtkTreeItem(wxTreeCtrlId &id) const;
-
- // the common part of all ctors
- void Init();
- // insert a new item in as the last child of the parent
- wxTreeItemId p_InsertItem(GtkTreeItem *p,
- const wxString& text,
- int image, int selectedImage,
- wxTreeItemData *data);
-
-
- DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
-};
-
-#endif
- // _WX_TREECTRL_H_
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