implemented IsModified() and DiscardEdits()

[wxWidgets.git] / include / wx / treebase.h

diff --git a/include/wx/treebase.h b/include/wx/treebase.h
index b67b80d02a8a0c441e6ca3d2257b301645f2bedc..a8af88d7d827ef97428d56b74dc79f4dae9d2dc0 100644 (file)
--- a/include/wx/treebase.h
+++ b/include/wx/treebase.h
@@ -12,7 +12,7 @@
 #ifndef _WX_TREEBASE_H_
 #define _WX_TREEBASE_H_
 
-#if defined(__GNUG__) && !defined(__APPLE__)
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma interface "treebase.h"
 #endif
 
@@ -38,6 +38,7 @@ typedef void *wxTreeItemIdValue;
 
 class WXDLLEXPORT wxTreeItemId
 {
+    friend bool operator==(const wxTreeItemId&, const wxTreeItemId&);
 public:
     // ctors
         // 0 is invalid value for HTREEITEM
@@ -51,6 +52,8 @@ public:
     // accessors
         // is this a valid tree item?
     bool IsOk() const { return m_pItem != 0; }
+        // return true if this item is not valid
+    bool operator!() const { return !IsOk(); }
 
     // operations
         // invalidate the item
@@ -60,11 +63,23 @@ public:
     // deprecated: only for compatibility, don't work on 64 bit archs
     wxTreeItemId(long item) { m_pItem = (wxTreeItemIdValue)item; }
     operator long() const { return (long)m_pItem; }
-#endif // WXWIN_COMPATIBILITY_2_4
+#else // !WXWIN_COMPATIBILITY_2_4
+    operator bool() const { return IsOk(); }
+#endif // WXWIN_COMPATIBILITY_2_4/!WXWIN_COMPATIBILITY_2_4
 
     wxTreeItemIdValue m_pItem;
 };
 
+inline bool operator==(const wxTreeItemId& i1, const wxTreeItemId& i2)
+{
+    return i1.m_pItem == i2.m_pItem;
+}
+
+inline bool operator!=(const wxTreeItemId& i1, const wxTreeItemId& i2)
+{
+    return i1.m_pItem != i2.m_pItem;
+}
+
 // ----------------------------------------------------------------------------
 // wxTreeItemData is some (arbitrary) user class associated with some item. The
 // main advantage of having this class (compared to old untyped interface) is
@@ -122,34 +137,33 @@ enum wxTreeItemIcon
     wxTreeItemIcon_Max
 };
 
-/*
- * wxTreeCtrl flags
- */
-// TODO: maybe renumber these?
+// ----------------------------------------------------------------------------
+// wxTreeCtrl flags
+// ----------------------------------------------------------------------------
+
 #define wxTR_NO_BUTTONS              0x0000     // for convenience
-#define wxTR_HAS_BUTTONS             0x0001     // generates a +/- button
-#define wxTR_TWIST_BUTTONS           0x0002     // generates a twister button
-#define wxTR_NO_LINES                0x0004     // don't generate level connectors
+#define wxTR_HAS_BUTTONS             0x0001     // draw collapsed/expanded btns
+#define wxTR_NO_LINES                0x0004     // don't draw lines at all
 #define wxTR_LINES_AT_ROOT           0x0008     // connect top-level nodes
-#define wxTR_MAC_BUTTONS             wxTR_TWIST_BUTTONS // backward compatibility
-#define wxTR_AQUA_BUTTONS            0x0010     // used internally
 
 #define wxTR_SINGLE                  0x0000     // for convenience
 #define wxTR_MULTIPLE                0x0020     // can select multiple items
 #define wxTR_EXTENDED                0x0040     // TODO: allow extended selection
-#define wxTR_FULL_ROW_HIGHLIGHT      0x2000     // highlight full horizontal space
+#define wxTR_HAS_VARIABLE_ROW_HEIGHT 0x0080     // what it says
 
 #define wxTR_EDIT_LABELS             0x0200     // can edit item labels
 #define wxTR_ROW_LINES               0x0400     // put border around items
 #define wxTR_HIDE_ROOT               0x0800     // don't display root node
-#define wxTR_HAS_VARIABLE_ROW_HEIGHT 0x0080     // what it says
 
-// TODO: different default styles for wxGTK, wxMotif, whatever?
-#ifdef __WXMAC__
-    #define wxTR_DEFAULT_STYLE (wxTR_TWIST_BUTTONS|wxTR_NO_LINES|wxTR_ROW_LINES)
-#else
-    #define wxTR_DEFAULT_STYLE (wxTR_HAS_BUTTONS|wxTR_LINES_AT_ROOT)
-#endif
+#define wxTR_FULL_ROW_HIGHLIGHT      0x2000     // highlight full horz space
+
+#define wxTR_DEFAULT_STYLE           (wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT)
+
+// deprecated, don't use
+#define wxTR_TWIST_BUTTONS           0
+#define wxTR_MAC_BUTTONS             0
+#define wxTR_AQUA_BUTTONS            0
+
 
 // values for the `flags' parameter of wxTreeCtrl::HitTest() which determine
 // where exactly the specified point is situated:
@@ -277,7 +291,7 @@ private:
     friend class WXDLLEXPORT wxTreeCtrl;
     friend class WXDLLEXPORT wxGenericTreeCtrl;
 
-    DECLARE_DYNAMIC_CLASS(wxTreeEvent);
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxTreeEvent)
 };
 
 typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);