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;
// common part of all ctors
void Init();
- // wrapper around Header_{Set,Insert}Item(): either appends the item to the
- // end or modifies the existing item by copying information from
- // GetColumn(idx) to it
- enum Operation { Set, Insert };
- void DoSetOrInsertItem(Operation oper, 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)
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)
};