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84 lines
3.2 KiB
C++
84 lines
3.2 KiB
C++
/*
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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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#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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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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