fit_bounds.h

// Aseprite UI Library
// Copyright (C) 2019-2021  Igara Studio S.A.
// Copyright (C) 2016  David Capello
//
// This file is released under the terms of the MIT license.
// Read LICENSE.txt for more information.

#ifndef UI_FIT_BOUNDS_H_INCLUDED
#define UI_FIT_BOUNDS_H_INCLUDED
#pragma once

#include "gfx/fwd.h"

#include <functional>

namespace ui {

  class Display;
  class Widget;
  class Window;

  int fit_bounds(Display* display, int arrowAlign, const gfx::Rect& target, gfx::Rect& bounds);

  // Fits a possible rectangle for the given window fitting it with a
  // special logic. It works for both cases:
  // 1. With multiple windows (so the limit is the parentDisplay screen workarea)
  // 2. Or with one window (so the limit is the just display area)
  //
  // The getWidgetBounds() can be used to get other widgets positions
  // in the "fitLogic" (the bounds will be relative to the screen or
  // to the display depending if get_multiple_displays() is true or
  // false).
  void fit_bounds(const Display* parentDisplay,
                  Window* window,
                  const gfx::Rect& candidateBoundsRelativeToParentDisplay,
                  std::function<void(const gfx::Rect& workarea,
                                     gfx::Rect& bounds,
                                     std::function<gfx::Rect(Widget*)> getWidgetBounds)> fitLogic = nullptr);

  // The "frame" is a native windows frame bounds.
  void limit_with_workarea(Display* parentDisplay, gfx::Rect& frame);

} // namespace ui

#endif