avoiding crash for pure modifier events

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

diff --git a/include/wx/treectrl.h b/include/wx/treectrl.h
index 0a9c49c56661bd72ec009ef38aafc8c5ef5d2e55..77a10793c7c5aecf9de08e14af4b24b9fe08edc9 100644 (file)
--- a/include/wx/treectrl.h
+++ b/include/wx/treectrl.h
@@ -24,13 +24,13 @@
 #include "wx/treebase.h"
 #include "wx/textctrl.h" // wxTextCtrl::ms_classinfo used through CLASSINFO macro
 
-class WXDLLEXPORT wxImageList;
+class WXDLLIMPEXP_FWD_CORE wxImageList;
 
 // ----------------------------------------------------------------------------
 // wxTreeCtrlBase
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxTreeCtrlBase : public wxControl
+class WXDLLIMPEXP_CORE wxTreeCtrlBase : public wxControl
 {
 public:
     wxTreeCtrlBase()
@@ -118,6 +118,12 @@ public:
         // get the item's font
     virtual wxFont GetItemFont(const wxTreeItemId& item) const = 0;
 
+        // get the items state
+    int GetItemState(const wxTreeItemId& item) const
+    {
+        return DoGetItemState(item);
+    }
+
     // modifiers
     // ---------
 
@@ -156,6 +162,9 @@ public:
     virtual void SetItemFont(const wxTreeItemId& item,
                              const wxFont& font) = 0;
 
+        // set the items state (special state values: wxTREE_ITEMSTATE_NONE/NEXT/PREV)
+    void SetItemState(const wxTreeItemId& item, int state);
+
     // item status inquiries
     // ---------------------
 
@@ -290,13 +299,13 @@ public:
 
         // expand this item
     virtual void Expand(const wxTreeItemId& item) = 0;
-        // expand the item and all its childs and thats childs
+        // expand the item and all its children recursively
     void ExpandAllChildren(const wxTreeItemId& item);
         // expand all items
     void ExpandAll();
         // collapse the item without removing its children
     virtual void Collapse(const wxTreeItemId& item) = 0;
-        // collapse the item and all its childs and thats childs
+        // collapse the item and all its children
     void CollapseAllChildren(const wxTreeItemId& item);
         // collapse all items
     void CollapseAll();
@@ -387,6 +396,10 @@ public:
 protected:
     virtual wxSize DoGetBestSize() const;
 
+    // comon part of Get/SetItemState()
+    virtual int DoGetItemState(const wxTreeItemId& item) const = 0;
+    virtual void DoSetItemState(const wxTreeItemId& item, int state) = 0;
+
     // common part of Append/Prepend/InsertItem()
     //
     // pos is the position at which to insert the item or (size_t)-1 to append
@@ -435,7 +448,7 @@ protected:
 #if defined(__WXUNIVERSAL__)
     #include "wx/generic/treectlg.h"
 #elif defined(__WXPALMOS__)
-    #include "wx/palmos/treectrl.h"
+    #include "wx/generic/treectlg.h"
 #elif defined(__WXMSW__)
     #include "wx/msw/treectrl.h"
 #elif defined(__WXMOTIF__)