generic implementation of wxHeaderCtrl API so far

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57136 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/headerctrlg.h

@@ -0,0 +1,103 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/generic/headerctrlg.h
+// Purpose:     Generic wxHeaderCtrl implementation
+// Author:      Vadim Zeitlin
+// Created:     2008-12-01
+// RCS-ID:      $Id$
+// Copyright:   (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_GENERIC_HEADERCTRLG_H_
+#define _WX_GENERIC_HEADERCTRLG_H_
+
+#include "wx/event.h"
+#include "wx/vector.h"
+
+// ----------------------------------------------------------------------------
+// wxHeaderCtrl
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxHeaderCtrl : public wxHeaderCtrlBase
+{
+public:
+    wxHeaderCtrl()
+    {
+        Init();
+    }
+
+    wxHeaderCtrl(wxWindow *parent,
+                 wxWindowID id = wxID_ANY,
+                 const wxPoint& pos = wxDefaultPosition,
+                 const wxSize& size = wxDefaultSize,
+                 long style = wxHD_DEFAULT_STYLE,
+                 const wxString& name = wxHeaderCtrlNameStr)
+    {
+        Init();
+
+        Create(parent, id, pos, size, style, name);
+    }
+
+    bool Create(wxWindow *parent,
+                wxWindowID id = wxID_ANY,
+                const wxPoint& pos = wxDefaultPosition,
+                const wxSize& size = wxDefaultSize,
+                long style = wxHD_DEFAULT_STYLE,
+                const wxString& name = wxHeaderCtrlNameStr);
+
+    virtual ~wxHeaderCtrl();
+
+private:
+    // implement base class pure virtuals
+    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 DoScrollHorz(int dx);
+
+    // override wxWindow methods which must be implemented by a new control
+    virtual wxSize DoGetBestSize() const;
+
+    // common part of all ctors
+    void Init();
+
+    // event handlers
+    void OnPaint(wxPaintEvent& event);
+    void OnMouse(wxMouseEvent& event);
+
+    // return the horizontal start position of the given column
+    int GetColStart(unsigned int idx) const;
+
+    // refresh the given column [only]
+    void RefreshCol(unsigned int idx);
+
+    // refresh all the controls starting from (and including) the given one
+    void RefreshColsAfter(unsigned int idx);
+
+    // all our current columns
+    typedef wxVector<wxHeaderColumn> Columns;
+    Columns m_cols;
+
+    // sorting indicators for the columns: our API is such that it allows using
+    // multiple columns for sorting, and even if this is not used anywhere in
+    // practice right now, still support this
+    //
+    // the values are interpreted in the same way as ShowSortIndicator()
+    // sortOrder parameter: true/false for ascending/descending sort if the
+    // corresponding column is used for sorting or -1 otherwise
+    wxVector<int> m_sortOrders;
+
+    // index of the column under mouse or -1 if none
+    unsigned int m_hover;
+
+    // the horizontal scroll offset
+    int m_scrollOffset;
+
+
+    DECLARE_EVENT_TABLE()
+    DECLARE_NO_COPY_CLASS(wxHeaderCtrl)
+};
+
+#endif // _WX_GENERIC_HEADERCTRLG_H_
+