/////////////////////////////////////////////////////////////////////////////
-// 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
#pragma interface "treectrl.h"
#endif
+#if wxUSE_TREECTRL
+
#include "wx/textctrl.h"
+#include "wx/dynarray.h"
+#include "wx/treebase.h"
#ifdef __GNUWIN32__
// Cygwin windows.h defines these identifiers
// 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
// 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
#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;
-};
-
-// ----------------------------------------------------------------------------
-// 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; }
-#ifdef __WATCOMC__
- const wxTreeItemId GetId() const { return m_itemId; }
-#else
- const wxTreeItemId& GetId() const { return (wxTreeItemId&) m_itemId; }
-#endif
-};
-
// ----------------------------------------------------------------------------
// wxTreeCtrl
// ----------------------------------------------------------------------------
unsigned int GetIndent() const;
void SetIndent(unsigned int indent);
- // spacing is the number of pixels between the start and the Text
- // not implemented under wxMSW
+ // spacing is the number of pixels between the start and the Text
+ // not implemented under wxMSW
unsigned int GetSpacing() const { return 18; } // return wxGTK default
- void SetSpacing(unsigned int ) {}
+ void SetSpacing(unsigned int WXUNUSED(spacing)) { }
// image list: these functions allow to associate an image list with
// the control and retrieve it. Note that the control does _not_ delete
void SetImageList(wxImageList *imageList);
void SetStateImageList(wxImageList *imageList);
+ void AssignImageList(wxImageList *imageList);
+ 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 the normal item image
- int GetItemImage(const wxTreeItemId& item) const;
- // get the selected item image
- int GetItemSelectedImage(const wxTreeItemId& item) const;
+ // get one of the images associated with the item (normal by default)
+ int GetItemImage(const wxTreeItemId& item,
+ wxTreeItemIcon which = wxTreeItemIcon_Normal) const;
// get the data associated with the item
wxTreeItemData *GetItemData(const wxTreeItemId& item) const;
// 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);
+ // get one of the images associated with the item (normal by default)
+ void SetItemImage(const wxTreeItemId& item, int image,
+ wxTreeItemIcon which = wxTreeItemIcon_Normal);
// associate some data with the item
void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
// the item will be shown with a drop highlight
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
// ---------------------
// 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);
+ size_t GetChildrenCount(const wxTreeItemId& item,
+ bool recursively = TRUE) const;
// navigation
// ----------
// get the item currently selected (may return NULL if no selection)
wxTreeItemId GetSelection() const;
+ // get the items currently selected, return the number of such item
+ //
+ // NB: this operation is expensive and can take a long time for a
+ // control with a lot of items (~ O(number of items)).
+ size_t GetSelections(wxArrayTreeItemIds& selections) const;
+
// get the parent of this item (may return NULL if root)
wxTreeItemId GetParent(const wxTreeItemId& item) const;
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
+ // insert a new item before the one with the given index
+ 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,
const wxString& text,
// remove the selection from currently selected item (if any)
void Unselect();
+ // unselect all items (only makes sense for multiple selection control)
+ void UnselectAll();
// select this item
void SelectItem(const wxTreeItemId& item);
// make sure this item is visible (expanding the parent item and/or
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); }
+
// implementation
// --------------
+
+ virtual long 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);
+
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);
+
+ wxTextCtrl *m_textCtrl; // used while editing the item label
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
int image, int selectedImage,
wxTreeItemData *data);
+ int DoGetItemImageFromData(const wxTreeItemId& item,
+ wxTreeItemIcon which) const;
+ void DoSetItemImageFromData(const wxTreeItemId& item,
+ int image,
+ wxTreeItemIcon which) const;
+ void DoSetItemImages(const wxTreeItemId& item, int image, int imageSel);
+
void DeleteTextCtrl();
+ // support for additional item images which we implement using
+ // wxTreeItemIndirectData technique - see the comments in msw/treectrl.cpp
+ void SetIndirectItemData(const wxTreeItemId& item,
+ 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 items ids)
+ wxHashTable m_attrs;
+
+ // TRUE if the hash above is not empty
+ bool m_hasAnyAttr;
+
+ // used for dragging
+ wxDragImage *m_dragImage;
+
+ // Virtual root item, if wxTR_HIDE_ROOT is set.
+ void* m_pVirtualRoot;
+
+ // the starting item for selection with Shift
+ WXHTREEITEM m_htSelStart;
+
+ friend class wxTreeItemIndirectData;
+ friend class wxTreeSortHelper;
+
DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
};
+#endif // wxUSE_TREECTRL
+
#endif
// _WX_TREECTRL_H_
projects / wxWidgets.git / blobdiff