static ::Window make_window(
const Display& display,
const VisualInfo& vi,
const Colormap& cmap,
unsigned width,
unsigned height
)
{
::XSetWindowAttributes swa;
swa.colormap = cmap.Handle();
swa.background_pixmap = None;
swa.border_pixel = 0;
swa.event_mask = StructureNotifyMask;
//
return ::XCreateWindow(
display,
RootWindow(display.Get(), vi->screen),
0, 0, width, height,
0,
vi->depth,
InputOutput,
vi->visual,
CWBorderPixel | CWColormap | CWEventMask,
&swa
);
}
Colormap(const Display& display, const VisualInfo& vi)
: DisplayObject< ::Colormap>(
display,
::XCreateColormap(
display,
RootWindow(display.Get(), vi->screen),
vi->visual,
AllocNone
),
::XFreeColormap,
"Error creating X Colormap"
){ }