2020-01-18 09:38:21 +01:00
										 
									 
								 
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								/*
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								 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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								 * All rights reserved.
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								 *
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								 * Redistribution and use in source and binary forms, with or without
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								 * modification, are permitted provided that the following conditions are met:
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								 *
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								 * 1. Redistributions of source code must retain the above copyright notice, this
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								 *    list of conditions and the following disclaimer.
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								 *
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								 * 2. Redistributions in binary form must reproduce the above copyright notice,
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								 *    this list of conditions and the following disclaimer in the documentation
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								 *    and/or other materials provided with the distribution.
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								 *
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								 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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								 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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								 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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								 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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								 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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								 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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								 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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								 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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								 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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								 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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								 */
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											2019-03-23 03:53:51 +01:00
										 
									 
								 
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								#pragma once
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								#include <LibGUI/AbstractView.h>
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								#include <LibGUI/Forward.h>
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								namespace GUI {
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								class ItemView : public AbstractView {
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								    C_OBJECT(ItemView)
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								public:
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								    virtual ~ItemView() override;
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								    int content_width() const;
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								    int horizontal_padding() const { return m_horizontal_padding; }
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								    void scroll_into_view(const ModelIndex&, Orientation);
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								    Gfx::Size effective_item_size() const { return m_effective_item_size; }
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								    int model_column() const { return m_model_column; }
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								    void set_model_column(int column) { m_model_column = column; }
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								    virtual ModelIndex index_at_event_position(const Gfx::Point&) const override;
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								    Gfx::Point adjusted_position(const Gfx::Point&) const;
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								    virtual void select_all() override;
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								private:
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								    ItemView();
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								    virtual void did_update_model() override;
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								    virtual void paint_event(PaintEvent&) override;
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								    virtual void second_paint_event(PaintEvent&) override;
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								    virtual void resize_event(ResizeEvent&) override;
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								    virtual void mousedown_event(MouseEvent&) override;
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								    virtual void mousemove_event(MouseEvent&) override;
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								    virtual void mouseup_event(MouseEvent&) override;
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								    virtual void keydown_event(KeyEvent&) override;
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								    virtual void drag_move_event(DragEvent&) override;
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								    int item_count() const;
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								    Gfx::Rect item_rect(int item_index) const;
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								    Vector<int> items_intersecting_rect(const Gfx::Rect&) const;
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								    void update_content_size();
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								    void get_item_rects(int item_index, const Gfx::Font&, const Variant& item_text, Gfx::Rect& item_rect, Gfx::Rect& icon_rect, Gfx::Rect& text_rect) const;
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								    int m_horizontal_padding { 5 };
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								    int m_model_column { 0 };
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								    int m_visual_column_count { 0 };
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								    int m_visual_row_count { 0 };
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								    Gfx::Size m_effective_item_size { 80, 80 };
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								    bool m_rubber_banding { false };
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								    Gfx::Point m_rubber_band_origin;
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								    Gfx::Point m_rubber_band_current;
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								    Vector<ModelIndex> m_rubber_band_remembered_selection;
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								    ModelIndex m_drop_candidate_index;
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								};
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								}
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