wxWidgets/include/wx/ribbon/buttonbar.h

///////////////////////////////////////////////////////////////////////////////
// Name:        wx/ribbon/buttonbar.h
// Purpose:     Ribbon control similar to a tool bar
// Author:      Peter Cawley
// Modified by:
// Created:     2009-07-01
// RCS-ID:      $Id$
// Copyright:   (C) Peter Cawley
// Licence:     wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_RIBBON_BUTTON_BAR_H_
#define _WX_RIBBON_BUTTON_BAR_H_

#include "wx/defs.h"

#if wxUSE_RIBBON

#include "wx/ribbon/art.h"
#include "wx/ribbon/control.h"
#include "wx/dynarray.h"

class wxRibbonButtonBarButtonBase;
class wxRibbonButtonBarLayout;
class wxRibbonButtonBarButtonInstance;

WX_DEFINE_USER_EXPORTED_ARRAY(wxRibbonButtonBarLayout*, wxArrayRibbonButtonBarLayout, class WXDLLIMPEXP_RIBBON);
WX_DEFINE_USER_EXPORTED_ARRAY(wxRibbonButtonBarButtonBase*, wxArrayRibbonButtonBarButtonBase, class WXDLLIMPEXP_RIBBON);

class WXDLLIMPEXP_RIBBON wxRibbonButtonBar : public wxRibbonControl
{
public:
    wxRibbonButtonBar();

    wxRibbonButtonBar(wxWindow* parent,
                  wxWindowID id = wxID_ANY,
                  const wxPoint& pos = wxDefaultPosition,
                  const wxSize& size = wxDefaultSize,
                  long style = 0);

    virtual ~wxRibbonButtonBar();

    bool Create(wxWindow* parent,
                wxWindowID id = wxID_ANY,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = 0);

    virtual wxRibbonButtonBarButtonBase* AddButton(
                int button_id,
                const wxString& label,
                const wxBitmap& bitmap,
                const wxString& help_string,
                wxRibbonButtonKind kind = wxRIBBON_BUTTON_NORMAL);
    // NB: help_string cannot be optional as that would cause the signature
    // to be identical to the full version of AddButton when 3 arguments are
    // given.

    virtual wxRibbonButtonBarButtonBase* AddDropdownButton(
                int button_id,
                const wxString& label,
                const wxBitmap& bitmap,
                const wxString& help_string = wxEmptyString);

    virtual wxRibbonButtonBarButtonBase* AddHybridButton(
                int button_id,
                const wxString& label,
                const wxBitmap& bitmap,
                const wxString& help_string = wxEmptyString);
    
    virtual wxRibbonButtonBarButtonBase* AddButton(
                int button_id,
                const wxString& label,
                const wxBitmap& bitmap,
                const wxBitmap& bitmap_small = wxNullBitmap,
                const wxBitmap& bitmap_disabled = wxNullBitmap,
                const wxBitmap& bitmap_small_disabled = wxNullBitmap,
                wxRibbonButtonKind kind = wxRIBBON_BUTTON_NORMAL,
                const wxString& help_string = wxEmptyString,
                wxObject* client_data = NULL);

    virtual bool Realize();
    virtual void ClearButtons();
    virtual bool DeleteButton(int button_id);
    virtual void EnableButton(int button_id, bool enable = true);

    virtual void SetArtProvider(wxRibbonArtProvider* art);
    virtual bool IsSizingContinuous() const;

    virtual wxSize GetMinSize() const;
protected:
    friend class wxRibbonButtonBarEvent;
    virtual wxSize DoGetBestSize() const;
    wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }

    void OnEraseBackground(wxEraseEvent& evt);
    void OnPaint(wxPaintEvent& evt);
    void OnSize(wxSizeEvent& evt);
    void OnMouseMove(wxMouseEvent& evt);
    void OnMouseEnter(wxMouseEvent& evt);
    void OnMouseLeave(wxMouseEvent& evt);
    void OnMouseDown(wxMouseEvent& evt);
    void OnMouseUp(wxMouseEvent& evt);

    virtual wxSize DoGetNextSmallerSize(wxOrientation direction,
                                      wxSize relative_to) const;
    virtual wxSize DoGetNextLargerSize(wxOrientation direction,
                                     wxSize relative_to) const;

    void CommonInit(long style);
    void MakeLayouts();
    bool TryCollapseLayout(wxRibbonButtonBarLayout* original, size_t first_btn, size_t* last_button);
    static wxBitmap MakeResizedBitmap(const wxBitmap& original, wxSize size);
    static wxBitmap MakeDisabledBitmap(const wxBitmap& original);
    void FetchButtonSizeInfo(wxRibbonButtonBarButtonBase* button,
        wxRibbonButtonBarButtonState size, wxDC& dc);

    wxArrayRibbonButtonBarLayout m_layouts;
    wxArrayRibbonButtonBarButtonBase m_buttons;
    wxRibbonButtonBarButtonInstance* m_hovered_button;
    wxRibbonButtonBarButtonInstance* m_active_button;

    wxPoint m_layout_offset;
    wxSize m_bitmap_size_large;
    wxSize m_bitmap_size_small;
    int m_current_layout;
    bool m_layouts_valid;
    bool m_lock_active_state;

#ifndef SWIG
    DECLARE_CLASS(wxRibbonButtonBar)
    DECLARE_EVENT_TABLE()
#endif
};

class WXDLLIMPEXP_RIBBON wxRibbonButtonBarEvent : public wxCommandEvent
{
public:
    wxRibbonButtonBarEvent(wxEventType command_type = wxEVT_NULL,
                       int win_id = 0,
                       wxRibbonButtonBar* bar = NULL)
        : wxCommandEvent(command_type, win_id)
        , m_bar(bar)
    {
    }
#ifndef SWIG
    wxRibbonButtonBarEvent(const wxRibbonButtonBarEvent& e) : wxCommandEvent(e)
    {
        m_bar = e.m_bar;
    }
#endif
    wxEvent *Clone() const { return new wxRibbonButtonBarEvent(*this); }

    wxRibbonButtonBar* GetBar() {return m_bar;}
    void SetBar(wxRibbonButtonBar* bar) {m_bar = bar;}
    bool PopupMenu(wxMenu* menu);

protected:
    wxRibbonButtonBar* m_bar;

#ifndef SWIG
private:
    DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxRibbonButtonBarEvent)
#endif
};

#ifndef SWIG

wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_RIBBON, wxEVT_COMMAND_RIBBONBUTTON_CLICKED, wxRibbonButtonBarEvent);
wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_RIBBON, wxEVT_COMMAND_RIBBONBUTTON_DROPDOWN_CLICKED, wxRibbonButtonBarEvent);

typedef void (wxEvtHandler::*wxRibbonButtonBarEventFunction)(wxRibbonButtonBarEvent&);

#define wxRibbonButtonBarEventHandler(func) \
    wxEVENT_HANDLER_CAST(wxRibbonButtonBarEventFunction, func)

#define EVT_RIBBONBUTTONBAR_CLICKED(winid, fn) \
    wx__DECLARE_EVT1(wxEVT_COMMAND_RIBBONBUTTON_CLICKED, winid, wxRibbonButtonBarEventHandler(fn))
#define EVT_RIBBONBUTTONBAR_DROPDOWN_CLICKED(winid, fn) \
    wx__DECLARE_EVT1(wxEVT_COMMAND_RIBBONBUTTON_DROPDOWN_CLICKED, winid, wxRibbonButtonBarEventHandler(fn))
#else

// wxpython/swig event work
%constant wxEventType wxEVT_COMMAND_RIBBONBUTTON_CLICKED;
%constant wxEventType wxEVT_COMMAND_RIBBONBUTTON_DROPDOWN_CLICKED;

%pythoncode {
    EVT_RIBBONBUTTONBAR_CLICKED = wx.PyEventBinder( wxEVT_COMMAND_RIBBONBUTTON_CLICKED, 1 )
    EVT_RIBBONBUTTONBAR_DROPDOWN_CLICKED = wx.PyEventBinder( wxEVT_COMMAND_RIBBONBUTTON_DROPDOWN_CLICKED, 1 )
}
#endif

#endif // wxUSE_RIBBON

#endif // _WX_RIBBON_BUTTON_BAR_H_