X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/027d45e8fc3cbb7a1efa91c727bcee6c52c4519c..b3a44e057b5183acdf2cf133f059cf94c7884738:/include/wx/treectrl.h?ds=sidebyside

diff --git a/include/wx/treectrl.h b/include/wx/treectrl.h
index c161d0d098..cbf50e4bc5 100644
--- a/include/wx/treectrl.h
+++ b/include/wx/treectrl.h
@@ -42,6 +42,9 @@ public:
 
         // arbitrary default
         m_spacing = 18;
+
+        // quick DoGetBestSize calculation
+        m_quickBestSize = true;
     }
 
     virtual ~wxTreeCtrlBase();
@@ -350,9 +353,9 @@ public:
         // coordinates specified are relative to the client area of tree ctrl)
         // and, in the second variant, fill the flags parameter with a bitmask
         // of wxTREE_HITTEST_xxx constants.
-    wxTreeItemId HitTest(const wxPoint& point)
+    wxTreeItemId HitTest(const wxPoint& point) const
         { int dummy; return DoTreeHitTest(point, dummy); }
-    wxTreeItemId HitTest(const wxPoint& point, int& flags)
+    wxTreeItemId HitTest(const wxPoint& point, int& flags) const
         { return DoTreeHitTest(point, flags); }
 
         // get the bounding rectangle of the item (or of its label only)
@@ -366,6 +369,10 @@ public:
 
     virtual bool ShouldInheritColours() const { return false; }
 
+    // hint whether to calculate best size quickly or accurately
+    void SetQuickBestSize(bool q) { m_quickBestSize = q; }
+    bool GetQuickBestSize() const { return m_quickBestSize; }
+
 protected:
     virtual wxSize DoGetBestSize() const;
 
@@ -391,7 +398,8 @@ protected:
     // real HitTest() implementation: again, can't be called just HitTest()
     // because it's overloaded and so the non-virtual overload would be hidden
     // (and can't be called DoHitTest() because this is already in wxWindow)
-    virtual wxTreeItemId DoTreeHitTest(const wxPoint& point, int& flags) = 0;
+    virtual wxTreeItemId DoTreeHitTest(const wxPoint& point,
+                                        int& flags) const = 0;
 
 
     wxImageList *m_imageListNormal, // images for tree elements
@@ -402,6 +410,9 @@ protected:
     // spacing between left border and the text
     unsigned int m_spacing;
 
+    // whether full or quick calculation is done in DoGetBestSize
+    bool        m_quickBestSize;
+
 
     DECLARE_NO_COPY_CLASS(wxTreeCtrlBase)
 };