wx3.0-headers 3.0.0-2 / usr / include / wx-3.0 / wx / bmpbuttn.h

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/////////////////////////////////////////////////////////////////////////////
// Name:        wx/bmpbuttn.h
// Purpose:     wxBitmapButton class interface
// Author:      Vadim Zeitlin
// Modified by:
// Created:     25.08.00
// Copyright:   (c) 2000 Vadim Zeitlin
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_BMPBUTTON_H_BASE_
#define _WX_BMPBUTTON_H_BASE_

#include "wx/defs.h"

#if wxUSE_BMPBUTTON

#include "wx/button.h"

// FIXME: right now only wxMSW, wxGTK and wxOSX implement bitmap support in wxButton
//        itself, this shouldn't be used for the other platforms neither
//        when all of them do it
#if (defined(__WXMSW__) || defined(__WXGTK20__) || defined(__WXOSX__)) && !defined(__WXUNIVERSAL__)
    #define wxHAS_BUTTON_BITMAP
#endif

class WXDLLIMPEXP_FWD_CORE wxBitmapButton;

// ----------------------------------------------------------------------------
// wxBitmapButton: a button which shows bitmaps instead of the usual string.
// It has different bitmaps for different states (focused/disabled/pressed)
// ----------------------------------------------------------------------------

class WXDLLIMPEXP_CORE wxBitmapButtonBase : public wxButton
{
public:
    wxBitmapButtonBase()
    {
#ifndef wxHAS_BUTTON_BITMAP
        m_marginX =
        m_marginY = 0;
#endif // wxHAS_BUTTON_BITMAP
    }

    bool Create(wxWindow *parent,
                wxWindowID winid,
                const wxPoint& pos,
                const wxSize& size,
                long style,
                const wxValidator& validator,
                const wxString& name)
    {
        // We use wxBU_NOTEXT to let the base class Create() know that we are
        // not going to show the label: this is a hack needed for wxGTK where
        // we can show both label and bitmap only with GTK 2.6+ but we always
        // can show just one of them and this style allows us to choose which
        // one we need.
        //
        // And we also use wxBU_EXACTFIT to avoid being resized up to the
        // standard button size as this doesn't make sense for bitmap buttons
        // which are not standard anyhow and should fit their bitmap size.
        return wxButton::Create(parent, winid, "",
                                pos, size,
                                style | wxBU_NOTEXT | wxBU_EXACTFIT,
                                validator, name);
    }

    // Special creation function for a standard "Close" bitmap. It allows to
    // simply create a close button with the image appropriate for the common
    // platform.
    static wxBitmapButton* NewCloseButton(wxWindow* parent, wxWindowID winid);


    // set/get the margins around the button
    virtual void SetMargins(int x, int y)
    {
        DoSetBitmapMargins(x, y);
    }

    int GetMarginX() const { return DoGetBitmapMargins().x; }
    int GetMarginY() const { return DoGetBitmapMargins().y; }

    // deprecated synonym for SetBitmapLabel()
#if WXWIN_COMPATIBILITY_2_6
    wxDEPRECATED_INLINE( void SetLabel(const wxBitmap& bitmap),
       SetBitmapLabel(bitmap); )

    // prevent virtual function hiding
    virtual void SetLabel(const wxString& label)
        { wxWindow::SetLabel(label); }
#endif // WXWIN_COMPATIBILITY_2_6

protected:
#ifndef wxHAS_BUTTON_BITMAP
    // function called when any of the bitmaps changes
    virtual void OnSetBitmap() { InvalidateBestSize(); Refresh(); }

    virtual wxBitmap DoGetBitmap(State which) const { return m_bitmaps[which]; }
    virtual void DoSetBitmap(const wxBitmap& bitmap, State which)
        { m_bitmaps[which] = bitmap; OnSetBitmap(); }

    virtual wxSize DoGetBitmapMargins() const
    {
        return wxSize(m_marginX, m_marginY);
    }

    virtual void DoSetBitmapMargins(int x, int y)
    {
        m_marginX = x;
        m_marginY = y;
    }

    // the bitmaps for various states
    wxBitmap m_bitmaps[State_Max];

    // the margins around the bitmap
    int m_marginX,
        m_marginY;
#endif // !wxHAS_BUTTON_BITMAP

    wxDECLARE_NO_COPY_CLASS(wxBitmapButtonBase);
};

#if defined(__WXUNIVERSAL__)
    #include "wx/univ/bmpbuttn.h"
#elif defined(__WXMSW__)
    #include "wx/msw/bmpbuttn.h"
#elif defined(__WXMOTIF__)
    #include "wx/motif/bmpbuttn.h"
#elif defined(__WXGTK20__)
    #include "wx/gtk/bmpbuttn.h"
#elif defined(__WXGTK__)
    #include "wx/gtk1/bmpbuttn.h"
#elif defined(__WXMAC__)
    #include "wx/osx/bmpbuttn.h"
#elif defined(__WXCOCOA__)
    #include "wx/cocoa/bmpbuttn.h"
#elif defined(__WXPM__)
    #include "wx/os2/bmpbuttn.h"
#endif

#endif // wxUSE_BMPBUTTON

#endif // _WX_BMPBUTTON_H_BASE_

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