all delete functions now send delete notification event

[wxWidgets.git] / include / wx / msw / treectrl.h

diff --git a/include/wx/msw/treectrl.h b/include/wx/msw/treectrl.h
index f8b34757c2a3a44f164333b3150dedf693cd1a90..a67bd488510357df86bffca1f984bd2e9f688cdb 100644 (file)
--- a/include/wx/msw/treectrl.h
+++ b/include/wx/msw/treectrl.h
@@ -22,12 +22,22 @@
 #include "wx/control.h"
 #include "wx/event.h"
 
 #include "wx/control.h"
 #include "wx/event.h"
 

+#ifdef __GNUWIN32__
+#  ifdef GetFirstChild
+#    undef GetFirstChild
+#  endif
+
+#  ifdef GetNextSibling
+#    undef GetNextSibling
+#  endif
+#endif
+

 // the type for "untyped" data
 typedef long wxDataType;
 
 // fwd decl
 // the type for "untyped" data
 typedef long wxDataType;
 
 // fwd decl

-class  wxImageList;
-struct wxTreeViewItem;
+class  WXDLLEXPORT wxImageList;
+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
 
 // 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


@@ -106,15 +116,11 @@ public:
     // to "long" which used to be the type for tree item ids in previous
     // versions of wxWindows
 
     // to "long" which used to be the type for tree item ids in previous
     // versions of wxWindows
 

-#ifdef wxHTREEITEM_DEFINED

     // for wxTreeCtrl usage only
     // for wxTreeCtrl usage only

-    wxTreeItemId(HTREEITEM itemId) { m_itemId = (long)itemId; }
-    operator HTREEITEM() const { return (HTREEITEM)m_itemId; }
-#else  // !wxHTREEITEM_DEFINED
-    // deprecated: only for compatibility
-    wxTreeItemId(long itemId) { m_itemId = itemId; }
-    operator long() const { return m_itemId; }
-#endif // wxHTREEITEM_DEFINED
+    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;
 
 protected:
     long m_itemId;


@@ -133,27 +139,19 @@ protected:
 // Because the objects of this class are deleted by the tree, they should
 // always be allocated on the heap!
 // ----------------------------------------------------------------------------
 // Because the objects of this class are deleted by the tree, they should
 // always be allocated on the heap!
 // ----------------------------------------------------------------------------

-class WXDLLEXPORT wxTreeItemData
+class WXDLLEXPORT wxTreeItemData : private wxTreeItemId

 {
 {

-friend class wxTreeCtrl;

 public:
 public:

-    // creation/destruction
-    // --------------------
-        // default ctor
-    wxTreeItemData() { }
+    // default ctor/copy ctor/assignment operator are ok

 
 

-        // default 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
+    // 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() { }
 
     virtual ~wxTreeItemData() { }
 

-    // accessor: get the item associated with us
-    const wxTreeItemId& GetItemId() const { return m_itemId; }
-
-protected:
-    wxTreeItemId m_itemId;
+    // 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; }

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -242,6 +240,15 @@ public:
         // associate some data with the item
     void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
 
         // associate some data with the item
     void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
 

+        // force appearance of [+] button near the item. This is useful to
+        // 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);
+
+        // the item will be shown in bold
+    void SetItemBold(const wxTreeItemId& item, bool bold = TRUE);
+

     // item status inquiries
     // ---------------------
 
     // item status inquiries
     // ---------------------
 


@@ -253,6 +260,15 @@ public:
     bool IsExpanded(const wxTreeItemId& item) const;
         // is this item currently selected (the same as has focus)?
     bool IsSelected(const wxTreeItemId& item) const;
     bool IsExpanded(const wxTreeItemId& item) const;
         // is this item currently selected (the same as has focus)?
     bool IsSelected(const wxTreeItemId& item) const;

+        // is item text in bold font?
+    bool IsBold(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
     // ----------
 
     // navigation
     // ----------


@@ -276,9 +292,9 @@ public:
         // the same!
 
         // get the first child of this item
         // the same!
 
         // get the first child of this item

-    wxTreeItemId GetFirstChild(const wxTreeItemId& item, long& cookie) const;
+    wxTreeItemId GetFirstChild(const wxTreeItemId& item, long& _cookie) const;

         // get the next child
         // get the next child

-    wxTreeItemId GetNextChild(const wxTreeItemId& item, long& cookie) const;
+    wxTreeItemId GetNextChild(const wxTreeItemId& item, long& _cookie) const;

 
         // get the next sibling of this item
     wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;
 
         // get the next sibling of this item
     wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;


@@ -322,7 +338,11 @@ public:
 
         // delete this item and associated data if any
     void Delete(const wxTreeItemId& item);
 
         // delete this item and associated data if any
     void Delete(const wxTreeItemId& item);

+        // delete all children (but don't delete the item itself)
+        // NB: this won't send wxEVT_COMMAND_TREE_ITEM_DELETED events
+    void DeleteChildren(const wxTreeItemId& item);

         // delete all items from the tree
         // delete all items from the tree

+        // NB: this won't send wxEVT_COMMAND_TREE_ITEM_DELETED events

     void DeleteAllItems();
 
         // expand this item
     void DeleteAllItems();
 
         // expand this item


@@ -368,19 +388,23 @@ public:
     // helpers
     // -------
 
     // helpers
     // -------
 

-    // @@@ do we really need to expose these functions to the application?
-
-        // get the bounding rectangle of the item (or of its label only)
-    void GetBoundingRect(const wxTreeItemId& item,
-                         wxRectangle& rect,
-                         bool textOnly = FALSE) const;
-

         // determine to which item (if any) belongs the given point (the
         // coordinates specified are relative to the client area of tree ctrl)
         // and fill the flags parameter with a bitmask of wxTREE_HITTEST_xxx
         // determine to which item (if any) belongs the given point (the
         // coordinates specified are relative to the client area of tree ctrl)
         // and fill the flags parameter with a bitmask of wxTREE_HITTEST_xxx

-        // constants
+        // constants.
+        //
+        // The first function is more portable (because easier to implement
+        // on other platforms), but the second one returns some extra info.
+    wxTreeItemId HitTest(const wxPoint& point)
+        { int dummy; return HitTest(point, dummy); }

     wxTreeItemId HitTest(const wxPoint& point, int& flags);
 
     wxTreeItemId HitTest(const wxPoint& point, int& flags);
 

+        // get the bounding rectangle of the item (or of its label only)
+        // @@@ do we really need to expose this functions to the application?
+    void GetBoundingRect(const wxTreeItemId& item,
+                         wxRect& rect,
+                         bool textOnly = FALSE) const;
+

     // deprecated
     // ----------
 
     // deprecated
     // ----------
 


@@ -407,8 +431,8 @@ public:
     // implementation
     // --------------
     void Command(wxCommandEvent& event) { ProcessCommand(event); };
     // implementation
     // --------------
     void Command(wxCommandEvent& event) { ProcessCommand(event); };

-    bool MSWCommand(WXUINT param, WXWORD id);
-    bool MSWNotify(WXWPARAM wParam, WXLPARAM lParam);
+    virtual bool MSWCommand(WXUINT param, WXWORD id);
+    virtual bool MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result);

 
 protected:
     // SetImageList helper
 
 protected:
     // SetImageList helper


@@ -445,7 +469,7 @@ private:
 // NB: note that not all accessors make sense for all events, see the event
 //     descriptions below
 // ----------------------------------------------------------------------------
 // NB: note that not all accessors make sense for all events, see the event
 //     descriptions below
 // ----------------------------------------------------------------------------

-class WXDLLEXPORT wxTreeEvent : public wxCommandEvent
+class WXDLLEXPORT wxTreeEvent : public wxNotifyEvent

 {
 friend wxTreeCtrl;
 public:
 {
 friend wxTreeCtrl;
 public:


@@ -467,10 +491,6 @@ public:
         // keyboard code (for wxEVT_COMMAND_TREE_KEY_DOWN only)
     int GetCode() const { return m_code; }
 
         // keyboard code (for wxEVT_COMMAND_TREE_KEY_DOWN only)
     int GetCode() const { return m_code; }
 

-    // set return code for wxEVT_COMMAND_TREE_ITEM_{EXPAND|COLLAPS}ING events
-        // call this to forbid the change in item status
-    void Veto() { m_code = TRUE; }
-

 private:
     // @@ we could save some space by using union here
     int           m_code;
 private:
     // @@ we could save some space by using union here
     int           m_code;


@@ -519,5 +539,8 @@ typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);
 // be deleted just after the return of this event handler (if any)
 #define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 
 // be deleted just after the return of this event handler (if any)
 #define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 

+// GetItem() returns the item that was activated (double click, enter, space)
+#define EVT_TREE_ITEM_ACTIVATED(id, fn) { wxEVT_COMMAND_TREE_ITEM_ACTIVATED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
+

 #endif
     // _WX_TREECTRL_H_
 #endif
     // _WX_TREECTRL_H_