text: /*
   * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this
   *    list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #pragma once
  
  #include <LibGUI/AbstractView.h>
  
  namespace GUI {
  
  class ListView : public AbstractView {
      C_OBJECT(ListView)
  public:
      virtual ~ListView() override;
  
      int item_height() const { return 16; }
  
      bool alternating_row_colors() const { return m_alternating_row_colors; }
      void set_alternating_row_colors(bool b) { m_alternating_row_colors = b; }
  
      bool hover_highlighting() const { return m_hover_highlighting; }
      void set_hover_highlighting(bool b) { m_hover_highlighting = b; }
  
      int horizontal_padding() const { return m_horizontal_padding; }
  
      virtual void scroll_into_view(const ModelIndex& index, bool scroll_horizontally, bool scroll_vertically) override;
  
      Gfx::IntPoint adjusted_position(const Gfx::IntPoint&) const;
  
      virtual ModelIndex index_at_event_position(const Gfx::IntPoint&) const override;
      virtual Gfx::IntRect content_rect(const ModelIndex&) const override;
  
      int model_column() const { return m_model_column; }
      void set_model_column(int column) { m_model_column = column; }
  
      virtual void select_all() override;
  
      Function<void()> on_escape_pressed;
  
      virtual void move_cursor(CursorMovement, SelectionUpdate) override;
      void move_cursor_relative(int steps, SelectionUpdate);
  
  protected:
      ListView();
      virtual void paint_list_item(Painter&, int row_index, int painted_item_index);
  
  private:
      virtual void model_did_update(unsigned flags) override;
      virtual void paint_event(PaintEvent&) override;
      virtual void keydown_event(KeyEvent&) override;
      virtual void resize_event(ResizeEvent&) override;
      virtual void mousemove_event(MouseEvent&) override;
  
      Gfx::IntRect content_rect(int row) const;
      int item_count() const;
      void update_content_size();
  
      int m_horizontal_padding { 2 };
      int m_model_column { 0 };
      bool m_alternating_row_colors { true };
      bool m_hover_highlighting { false };
  };
  
  }
  