#include "Window.h"
#include "Layer.h"
#include <luna/Utf8.h>
#include <os/File.h>
#include <sys/mman.h>
#include <ui/Font.h>
#include <ui/Image.h>

void Window::draw(ui::Canvas& screen)
{
    dirty = false;

    auto window = screen.subcanvas(surface);
    window.copy(pixels, surface.width);
}

void Window::focus()
{
    // Bring the window to the front of the list.
    layer->windows.remove(this);
    layer->windows.append(this);
}

Window::Window(ui::Rect r, RefString&& n) : surface(r), name(move(n))
{
    auto font = ui::Font::default_font();
    titlebar = ui::Rect { 0, 0, 0, 0 };
    l_global.windows.append(this);
    layer = &l_global;
}

Window::~Window()
{
    usize size = surface.width * surface.height * 4;

    munmap(pixels, size);
}