Beispiel #1
0
// helper
static bool do_shape_combine_region(GdkWindow* window, const wxRegion& region)
{
    if (window)
    {
        if (region.IsEmpty())
        {
            gdk_window_shape_combine_mask(window, NULL, 0, 0);
        }
        else
        {
            wxBitmap bmp = region.ConvertToBitmap();
            bmp.SetMask(new wxMask(bmp, *wxBLACK));
            GdkBitmap* mask = bmp.GetMask()->GetBitmap();
            gdk_window_shape_combine_mask(window, mask, 0, 0);
            return true;
        }
    }
    return false;
}
Beispiel #2
0
bool wxSkinWindow::SetShape(const wxRegion& region)
{
	
#if defined(__WXMSW__) && !defined(__WXWINCE__)
	// The empty region signifies that the shape should be removed from the
    // window.
    if ( region.IsEmpty() )
    {
        if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
        {
            wxLogLastError(_T("SetWindowRgn"));
            return false;
        }
        return true;
    }

    DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
    RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
    ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
    HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
    delete[] (char*) rgnData;
   
    RECT rect;
    DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
    DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
    ::GetClientRect(GetHwnd(), &rect);
    ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
    ::OffsetRgn(hrgn, -rect.left, -rect.top);

    if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
    {
        wxLogLastError(_T("SetWindowRgn"));
        return false;
    }
    return true;
#elif defined(__WXMAC__)
	if ( region.IsEmpty() )
    {
        wxSize sz = GetClientSize();
        wxRegion rgn(0, 0, sz.x, sz.y);
        return SetShape(rgn);
    }

    // Make a copy of the region
    RgnHandle  shapeRegion = NewRgn();
    CopyRgn( (RgnHandle)region.GetWXHRGN(), shapeRegion );

    // Dispose of any shape region we may already have
    RgnHandle oldRgn = (RgnHandle)GetWRefCon( (WindowRef)GetHandle() );
    if ( oldRgn )
        DisposeRgn(oldRgn);

    // Save the region so we can use it later
    SetWRefCon((WindowRef)GetHandle(), (SInt32)shapeRegion);

    // Tell the window manager that the window has changed shape
    ReshapeCustomWindow((WindowRef)GetHandle());
    return true;
#elif defined(__WXGTK__)
	if(region.IsEmpty())
	{
		if(m_wxwindow && !GTK_WIDGET_NO_WINDOW(m_wxwindow))
			gtk_widget_shape_combine_mask(m_wxwindow,NULL,0,0);
		if(m_widget && !GTK_WIDGET_NO_WINDOW(m_widget))
			gtk_widget_shape_combine_mask(m_widget,NULL,0,0);
	}
	else
	{	wxBitmap bmp = region.ConvertToBitmap();
		bmp.SetMask(new wxMask(bmp, *wxBLACK));
		GdkBitmap* mask = bmp.GetMask()->GetBitmap();

		if(m_wxwindow && !GTK_WIDGET_NO_WINDOW(m_wxwindow))
			gtk_widget_shape_combine_mask(m_wxwindow,mask,0,0);
		if(m_widget && !GTK_WIDGET_NO_WINDOW(m_widget))
			gtk_widget_shape_combine_mask(m_widget,mask,0,0);
	}
	return true;
#else
	return false;
#endif
}