src/msw/panel.cpp

///////////////////////////////////////////////////////////////////////////////
// Name:        src/msw/panel.cpp
// Purpose:     Implementation of wxMSW-specific wxPanel class.
// Author:      Vadim Zeitlin
// Created:     2011-03-18
// RCS-ID:      $Id: wxhead.cpp,v 1.11 2010-04-22 12:44:51 zeitlin Exp $
// Copyright:   (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence:     wxWindows licence
///////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#ifndef WX_PRECOMP
    #include "wx/bitmap.h"
    #include "wx/brush.h"
    #include "wx/panel.h"
#endif // WX_PRECOMP

// ============================================================================
// implementation
// ============================================================================

bool wxPanel::HasTransparentBackground()
{
    for ( wxWindow *win = GetParent(); win; win = win->GetParent() )
    {
        if ( win->MSWHasInheritableBackground() )
            return true;

        if ( win->IsTopLevel() )
            break;
    }

    return false;
}

void wxPanel::DoSetBackgroundBitmap(const wxBitmap& bmp)
{
    delete m_backgroundBrush;
    m_backgroundBrush = bmp.IsOk() ? new wxBrush(bmp) : NULL;

    // Our transparent children should use our background if we have it,
    // otherwise try to restore m_inheritBgCol to some reasonable value: true
    // if we also have non-default background colour or false otherwise.
    m_inheritBgCol = bmp.IsOk() || UseBgCol();
}

WXHBRUSH wxPanel::MSWGetCustomBgBrush()
{
    if ( m_backgroundBrush )
        return (WXHBRUSH)m_backgroundBrush->GetResourceHandle();

    return wxPanelBase::MSWGetCustomBgBrush();
}
Commit	Line	Data
	1	///////////////////////////////////////////////////////////////////////////////
	2	// Name: src/msw/panel.cpp
	3	// Purpose: Implementation of wxMSW-specific wxPanel class.
	4	// Author: Vadim Zeitlin
	5	// Created: 2011-03-18
	6	// RCS-ID: $Id: wxhead.cpp,v 1.11 2010-04-22 12:44:51 zeitlin Exp $
	7	// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
	8	// Licence: wxWindows licence
	9	///////////////////////////////////////////////////////////////////////////////
	10
	11	// ============================================================================
	12	// declarations
	13	// ============================================================================
	14
	15	// ----------------------------------------------------------------------------
	16	// headers
	17	// ----------------------------------------------------------------------------
	18
	19	// for compilers that support precompilation, includes "wx.h".
	20	#include "wx/wxprec.h"
	21
	22	#ifdef __BORLANDC__
	23	#pragma hdrstop
	24	#endif
	25
	26	#ifndef WX_PRECOMP
	27	#include "wx/bitmap.h"
	28	#include "wx/brush.h"
	29	#include "wx/panel.h"
	30	#endif // WX_PRECOMP
	31
	32	// ============================================================================
	33	// implementation
	34	// ============================================================================
	35
	36	bool wxPanel::HasTransparentBackground()
	37	{
	38	for ( wxWindow *win = GetParent(); win; win = win->GetParent() )
	39	{
	40	if ( win->MSWHasInheritableBackground() )
	41	return true;
	42
	43	if ( win->IsTopLevel() )
	44	break;
	45	}
	46
	47	return false;
	48	}
	49
	50	void wxPanel::DoSetBackgroundBitmap(const wxBitmap& bmp)
	51	{
	52	delete m_backgroundBrush;
	53	m_backgroundBrush = bmp.IsOk() ? new wxBrush(bmp) : NULL;
	54
	55	// Our transparent children should use our background if we have it,
	56	// otherwise try to restore m_inheritBgCol to some reasonable value: true
	57	// if we also have non-default background colour or false otherwise.
	58	m_inheritBgCol = bmp.IsOk() \|\| UseBgCol();
	59	}
	60
	61	WXHBRUSH wxPanel::MSWGetCustomBgBrush()
	62	{
	63	if ( m_backgroundBrush )
	64	return (WXHBRUSH)m_backgroundBrush->GetResourceHandle();
	65
	66	return wxPanelBase::MSWGetCustomBgBrush();
	67	}