generic implementation of wxHeaderCtrl API so far
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57136 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
85
include/wx/generic/headercolg.h
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85
include/wx/generic/headercolg.h
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/generic/headercolg.h
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// Purpose: Generic wxHeaderColumn implementation
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// Author: Vadim Zeitlin
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// Created: 2008-12-04
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// RCS-ID: $Id$
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// Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_GENERIC_HEADERCOLG_H_
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#define _WX_GENERIC_HEADERCOLG_H_
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// ----------------------------------------------------------------------------
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// wxHeaderColumn: trivial generic implementation of wxHeaderColumnBase
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxHeaderColumn : public wxHeaderColumnBase
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{
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public:
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// ctors and dtor
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wxHeaderColumn(const wxString& title,
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int width = wxCOL_WIDTH_DEFAULT,
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wxAlignment align = wxALIGN_NOT,
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int flags = wxCOL_DEFAULT_FLAGS)
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: m_title(title),
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m_width(width),
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m_align(align),
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m_flags(flags)
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{
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Init();
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}
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wxHeaderColumn(const wxBitmap& bitmap,
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int width = wxCOL_WIDTH_DEFAULT,
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wxAlignment align = wxALIGN_CENTER,
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int flags = wxCOL_DEFAULT_FLAGS)
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: m_bitmap(bitmap),
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m_width(width),
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m_align(align),
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m_flags(flags)
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{
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Init();
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}
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// implement base class pure virtuals
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virtual void SetTitle(const wxString& title) { m_title = title; }
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virtual wxString GetTitle() const { return m_title; }
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virtual void SetBitmap(const wxBitmap& bitmap) { m_bitmap = bitmap; }
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wxBitmap GetBitmap() const { return m_bitmap; }
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virtual void SetWidth(int width) { m_width = width; }
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virtual int GetWidth() const { return m_width; }
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virtual void SetMinWidth(int minWidth) { m_minWidth = minWidth; }
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virtual int GetMinWidth() const { return m_minWidth; }
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virtual void SetAlignment(wxAlignment align) { m_align = align; }
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virtual wxAlignment GetAlignment() const { return m_align; }
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virtual void SetFlags(int flags) { m_flags = flags; }
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virtual int GetFlags() const { return m_flags; }
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virtual void SetSortOrder(bool ascending) { m_sortAscending = ascending; }
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virtual bool IsSortOrderAscending() const { return m_sortAscending; }
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private:
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// common part of all ctors
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void Init()
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{
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m_minWidth = 0;
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m_sortAscending = true;
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}
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wxString m_title;
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wxBitmap m_bitmap;
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int m_width,
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m_minWidth;
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wxAlignment m_align;
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int m_flags;
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bool m_sortAscending;
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};
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#endif // _WX_GENERIC_HEADERCOLG_H_
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103
include/wx/generic/headerctrlg.h
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103
include/wx/generic/headerctrlg.h
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/generic/headerctrlg.h
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// Purpose: Generic wxHeaderCtrl implementation
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// Author: Vadim Zeitlin
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// Created: 2008-12-01
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// RCS-ID: $Id$
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// Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_GENERIC_HEADERCTRLG_H_
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#define _WX_GENERIC_HEADERCTRLG_H_
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#include "wx/event.h"
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#include "wx/vector.h"
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// ----------------------------------------------------------------------------
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// wxHeaderCtrl
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxHeaderCtrl : public wxHeaderCtrlBase
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{
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public:
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wxHeaderCtrl()
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{
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Init();
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}
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wxHeaderCtrl(wxWindow *parent,
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wxWindowID id = wxID_ANY,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxHD_DEFAULT_STYLE,
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const wxString& name = wxHeaderCtrlNameStr)
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{
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Init();
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Create(parent, id, pos, size, style, name);
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}
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bool Create(wxWindow *parent,
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wxWindowID id = wxID_ANY,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxHD_DEFAULT_STYLE,
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const wxString& name = wxHeaderCtrlNameStr);
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virtual ~wxHeaderCtrl();
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private:
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// implement base class pure virtuals
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virtual unsigned int DoGetCount() const;
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virtual void DoInsert(const wxHeaderColumn& col, unsigned int idx);
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virtual void DoDelete(unsigned int idx);
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virtual void DoShowColumn(unsigned int idx, bool show);
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virtual void DoShowSortIndicator(unsigned int idx, int sortOrder);
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virtual void DoScrollHorz(int dx);
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// override wxWindow methods which must be implemented by a new control
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virtual wxSize DoGetBestSize() const;
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// common part of all ctors
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void Init();
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// event handlers
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void OnPaint(wxPaintEvent& event);
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void OnMouse(wxMouseEvent& event);
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// return the horizontal start position of the given column
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int GetColStart(unsigned int idx) const;
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// refresh the given column [only]
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void RefreshCol(unsigned int idx);
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// refresh all the controls starting from (and including) the given one
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void RefreshColsAfter(unsigned int idx);
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// all our current columns
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typedef wxVector<wxHeaderColumn> Columns;
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Columns m_cols;
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// sorting indicators for the columns: our API is such that it allows using
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// multiple columns for sorting, and even if this is not used anywhere in
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// practice right now, still support this
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//
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// the values are interpreted in the same way as ShowSortIndicator()
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// sortOrder parameter: true/false for ascending/descending sort if the
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// corresponding column is used for sorting or -1 otherwise
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wxVector<int> m_sortOrders;
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// index of the column under mouse or -1 if none
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unsigned int m_hover;
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// the horizontal scroll offset
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int m_scrollOffset;
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DECLARE_EVENT_TABLE()
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DECLARE_NO_COPY_CLASS(wxHeaderCtrl)
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};
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#endif // _WX_GENERIC_HEADERCTRLG_H_
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@@ -165,7 +165,7 @@ protected:
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#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
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#include "wx/msw/headercol.h"
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#elif 0 // TODO
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#else
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#define wxHAS_GENERIC_HEADERCOL
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#include "wx/generic/headercolg.h"
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#endif
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@@ -160,7 +160,7 @@ private:
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#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
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#include "wx/msw/headerctrl.h"
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#elif 0 // TODO
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#else
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#define wxHAS_GENERIC_HEADERCTRL
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#include "wx/generic/headerctrlg.h"
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#endif // platform
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@@ -30,8 +30,249 @@
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#ifdef wxHAS_GENERIC_HEADERCTRL
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#include "wx/dcbuffer.h"
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#include "wx/renderer.h"
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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namespace
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{
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const unsigned NO_SORT = (unsigned)-1;
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const unsigned COL_NONE = (unsigned)-1;
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} // anonymous namespace
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// ============================================================================
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// implementation
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// wxHeaderCtrl implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxHeaderCtrl creation
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// ----------------------------------------------------------------------------
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void wxHeaderCtrl::Init()
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{
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m_hover = COL_NONE;
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m_scrollOffset = 0;
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}
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bool wxHeaderCtrl::Create(wxWindow *parent,
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wxWindowID id,
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const wxPoint& pos,
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const wxSize& size,
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long style,
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const wxString& name)
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{
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if ( !wxHeaderCtrlBase::Create(parent, id, pos, size,
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style, wxDefaultValidator, name) )
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return false;
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// tell the system to not paint the background at all to avoid flicker as
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// we paint the entire window area in our OnPaint()
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SetBackgroundStyle(wxBG_STYLE_CUSTOM);
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return true;
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}
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wxHeaderCtrl::~wxHeaderCtrl()
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{
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}
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// ----------------------------------------------------------------------------
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// wxHeaderCtrl columns manipulation
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// ----------------------------------------------------------------------------
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unsigned int wxHeaderCtrl::DoGetCount() const
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{
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return m_cols.size();
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}
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void wxHeaderCtrl::DoInsert(const wxHeaderColumn& col, unsigned int idx)
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{
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m_cols.insert(m_cols.begin() + idx, col);
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m_sortOrders.insert(m_sortOrders.begin() + idx, -1);
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if ( m_cols[idx].IsShown() )
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RefreshColsAfter(idx);
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}
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void wxHeaderCtrl::DoDelete(unsigned int idx)
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{
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m_cols.erase(m_cols.begin() + idx);
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m_sortOrders.erase(m_sortOrders.begin() + idx);
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RefreshColsAfter(idx);
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}
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void wxHeaderCtrl::DoShowColumn(unsigned int idx, bool show)
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{
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if ( show != m_cols[idx].IsShown() )
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{
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m_cols[idx].SetHidden(!show);
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RefreshColsAfter(idx);
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}
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}
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void wxHeaderCtrl::DoShowSortIndicator(unsigned int idx, int sortOrder)
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{
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if ( sortOrder != m_sortOrders[idx] )
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{
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m_sortOrders[idx] = sortOrder;
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RefreshCol(idx);
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}
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}
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// ----------------------------------------------------------------------------
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// wxHeaderCtrl scrolling
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// ----------------------------------------------------------------------------
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void wxHeaderCtrl::DoScrollHorz(int dx)
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{
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m_scrollOffset += dx;
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// don't call our own version which calls this function!
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wxControl::ScrollWindow(dx, 0);
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}
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// ----------------------------------------------------------------------------
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// wxHeaderCtrl geometry
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// ----------------------------------------------------------------------------
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wxSize wxHeaderCtrl::DoGetBestSize() const
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{
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// the vertical size is rather arbitrary but it looks better if we leave
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// some space around the text
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return wxSize(GetColStart(GetColumnCount()), (7*GetCharHeight())/4);
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}
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int wxHeaderCtrl::GetColStart(unsigned int idx) const
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{
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int pos = 0;
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for ( unsigned n = 0; n < idx; n++ )
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{
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const wxHeaderColumn& col = m_cols[n];
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if ( col.IsShown() )
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pos += col.GetWidth();
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}
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return pos;
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}
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// ----------------------------------------------------------------------------
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// wxHeaderCtrl repainting
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// ----------------------------------------------------------------------------
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void wxHeaderCtrl::RefreshCol(unsigned int idx)
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{
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wxRect rect = GetClientRect();
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rect.x += GetColStart(idx);
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rect.width = m_cols[idx].GetWidth();
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RefreshRect(rect);
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}
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void wxHeaderCtrl::RefreshColsAfter(unsigned int idx)
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{
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wxRect rect = GetClientRect();
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const int ofs = GetColStart(idx);
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rect.x += ofs;
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rect.width -= ofs;
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RefreshRect(rect);
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}
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// ----------------------------------------------------------------------------
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// wxHeaderCtrl event handlers
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// ----------------------------------------------------------------------------
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BEGIN_EVENT_TABLE(wxHeaderCtrl, wxControl)
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EVT_PAINT(wxHeaderCtrl::OnPaint)
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EVT_MOUSE_EVENTS(wxHeaderCtrl::OnMouse)
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END_EVENT_TABLE()
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void wxHeaderCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
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{
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int w, h;
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GetClientSize(&w, &h);
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wxAutoBufferedPaintDC dc(this);
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dc.SetBackground(GetBackgroundColour());
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dc.Clear();
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// account for the horizontal scrollbar offset in the parent window
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dc.SetDeviceOrigin(m_scrollOffset, 0);
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const unsigned int count = m_cols.size();
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int xpos = 0;
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for ( unsigned int i = 0; i < count; i++ )
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{
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const wxHeaderColumn& col = m_cols[i];
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if ( col.IsHidden() )
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continue;
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const int colWidth = col.GetWidth();
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wxHeaderSortIconType sortArrow;
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switch ( m_sortOrders[i] )
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{
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default:
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wxFAIL_MSG( "wrong sort order value" );
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// fall through
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case -1:
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sortArrow = wxHDR_SORT_ICON_NONE;
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break;
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case 0:
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sortArrow = wxHDR_SORT_ICON_DOWN;
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break;
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case 1:
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sortArrow = wxHDR_SORT_ICON_UP;
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break;
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}
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int state = 0;
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if ( IsEnabled() )
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{
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if ( i == m_hover )
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state = wxCONTROL_CURRENT;
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}
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else // disabled
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{
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state = wxCONTROL_DISABLED;
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}
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wxHeaderButtonParams params;
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params.m_labelText = col.GetTitle();
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params.m_labelBitmap = col.GetBitmap();
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params.m_labelAlignment = col.GetAlignment();
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wxRendererNative::Get().DrawHeaderButton
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(
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this,
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dc,
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wxRect(xpos, 0, colWidth, h),
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state,
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sortArrow,
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¶ms
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);
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xpos += colWidth;
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}
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}
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void wxHeaderCtrl::OnMouse(wxMouseEvent& event)
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{
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event.Skip();
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}
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#endif // wxHAS_GENERIC_HEADERCTRL
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