X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a000920547e25b92ce1dfa18f73d99dbf780db72..ca77701441e39245dcbfce903049e76f166979e5:/include/wx/msw/headerctrl.h diff --git a/include/wx/msw/headerctrl.h b/include/wx/msw/headerctrl.h index 130de040a8..bf925b0650 100644 --- a/include/wx/msw/headerctrl.h +++ b/include/wx/msw/headerctrl.h @@ -46,27 +46,88 @@ public: virtual ~wxHeaderCtrl(); + +protected: + // 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); + private: // implement base class pure virtuals + virtual void DoSetCount(unsigned int count); virtual unsigned int DoGetCount() const; - virtual void DoInsert(const wxHeaderColumn& col, unsigned int idx); - virtual void DoDelete(unsigned int idx); - virtual void DoShowColumn(unsigned int idx, bool show); - virtual void DoShowSortIndicator(unsigned int idx, int sortOrder); + virtual void DoUpdate(unsigned int idx); - // override wxWindow methods which must be implemented by a new control - virtual wxSize DoGetBestSize() const; + virtual void DoScrollHorz(int dx); + + virtual void DoSetColumnsOrder(const wxArrayInt& order); + virtual wxArrayInt DoGetColumnsOrder() const; // override MSW-specific methods needed for new control virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const; + virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result); // common part of all ctors void Init(); + // 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) + // mouse button + 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; - DECLARE_NO_COPY_CLASS(wxHeaderCtrl) + // the offset of the window used to emulate scrolling it + int m_scrollOffset; + + wxDECLARE_NO_COPY_CLASS(wxHeaderCtrl); }; #endif // _WX_MSW_HEADERCTRL_H_