Applied Peter Most's EVT_SPIN crash fix

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

diff --git a/include/wx/msw/headerctrl.h b/include/wx/msw/headerctrl.h
index 5b268e9ed2a3b4f7697997294a386d0c18072001..2d5603c332f43df3fd66eb263980c31ddcaa4677 100644 (file)
--- a/include/wx/msw/headerctrl.h
+++ b/include/wx/msw/headerctrl.h
@@ -55,8 +55,14 @@ private:
 
     virtual void DoScrollHorz(int dx);
 
+    virtual void DoSetColumnsOrder(const wxArrayInt& order);
+    virtual wxArrayInt DoGetColumnsOrder() const;
+
     // override wxWindow methods which must be implemented by a new control
     virtual wxSize DoGetBestSize() const;
+    virtual void DoSetSize(int x, int y,
+                           int width, int height,
+                           int sizeFlags = wxSIZE_AUTO);
 
     // override MSW-specific methods needed for new control
     virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;
@@ -65,9 +71,27 @@ private:
     // common part of all ctors
     void Init();
 
-    // wrapper around Header_InsertItem(): insert the item by using information
-    // from GetColumn(idx)
-    void DoInsertItem(unsigned int idx);
+    // wrapper around Header_InsertItem(): insert the item using information
+    // from the given column at the given index
+    void DoInsertItem(const wxHeaderColumn& col, unsigned int idx);
+
+    // get the number of currently visible items: this is also the total number
+    // of items contained in the native control
+    int GetShownColumnsCount() const;
+
+    // due to the discrepancy for the hidden columns which we know about but
+    // the native control does not, there can be a difference between the
+    // column indices we use and the ones used by the native control; these
+    // functions translate between them
+    //
+    // notice that MSWToNativeIdx() shouldn't be called for hidden columns and
+    // MSWFromNativeIdx() always returns an index of a visible column
+    int MSWToNativeIdx(int idx);
+    int MSWFromNativeIdx(int item);
+
+    // this is the same as above but for order, not index
+    int MSWToNativeOrder(int order);
+    int MSWFromNativeOrder(int order);
 
     // get the event type corresponding to a click or double click event
     // (depending on dblclk value) with the specified (using MSW convention)
@@ -75,9 +99,33 @@ private:
     wxEventType GetClickEventType(bool dblclk, int button);
 
 
+    // the number of columns in the control, including the hidden ones (not
+    // taken into account by the native control, see comment in DoGetCount())
+    unsigned int m_numColumns;
+
+    // this is a lookup table allowing us to check whether the column with the
+    // given index is currently shown in the native control, in which case the
+    // value of this array element with this index is 0, or hidden
+    //
+    // notice that this may be different from GetColumn(idx).IsHidden() and in
+    // fact we need this array precisely because it will be different from it
+    // in DoUpdate() when the column hidden flag gets toggled and we need it to
+    // handle this transition correctly
+    wxArrayInt m_isHidden;
+
+    // the order of our columns: this array contains the index of the column
+    // shown at the position n as the n-th element
+    //
+    // this is necessary only to handle the hidden columns: the native control
+    // doesn't know about them and so we can't use Header_GetOrderArray()
+    wxArrayInt m_colIndices;
+
     // the image list: initially NULL, created on demand
     wxImageList *m_imageList;
 
+    // the offset of the window used to emulate scrolling it
+    int m_scrollOffset;
+
     DECLARE_NO_COPY_CLASS(wxHeaderCtrl)
 };