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b67d4ab52f
This patch adds a method that can optionally be implemented to allow a TableCellPaintingDelegate to fall back to the default painting in a View.
126 lines
4.5 KiB
C++
126 lines
4.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, Jakob-Niklas See <git@nwex.de>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibGUI/AbstractView.h>
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namespace GUI {
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class TableCellPaintingDelegate {
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public:
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virtual ~TableCellPaintingDelegate() { }
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virtual bool should_paint(ModelIndex const&) { return true; }
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virtual void paint(Painter&, const Gfx::IntRect&, const Gfx::Palette&, const ModelIndex&) = 0;
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};
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class AbstractTableView : public AbstractView {
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public:
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int row_height() const { return font().glyph_height() + vertical_padding(); }
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virtual int horizontal_padding() const { return m_horizontal_padding; }
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void set_horizontal_padding(int padding) { m_horizontal_padding = padding; }
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virtual int vertical_padding() const { return m_vertical_padding; }
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void set_vertical_padding(int padding) { m_vertical_padding = padding; }
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bool alternating_row_colors() const { return m_alternating_row_colors; }
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void set_alternating_row_colors(bool b) { m_alternating_row_colors = b; }
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bool highlight_selected_rows() const { return m_highlight_selected_rows; }
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void set_highlight_selected_rows(bool b) { m_highlight_selected_rows = b; }
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bool column_headers_visible() const;
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void set_column_headers_visible(bool);
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void set_column_visible(int, bool);
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int column_width(int column) const;
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void set_column_width(int column, int width);
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void set_default_column_width(int column, int width);
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virtual int minimum_column_width(int column);
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virtual int minimum_row_height(int row);
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Gfx::TextAlignment column_header_alignment(int column) const;
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void set_column_header_alignment(int column, Gfx::TextAlignment);
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void set_column_painting_delegate(int column, OwnPtr<TableCellPaintingDelegate>);
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Gfx::IntPoint adjusted_position(const Gfx::IntPoint&) const;
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virtual Gfx::IntRect content_rect(const ModelIndex&) const override;
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Gfx::IntRect content_rect(int row, int column) const;
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Gfx::IntRect row_rect(int item_index) const;
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virtual Gfx::IntRect paint_invalidation_rect(ModelIndex const& index) const override;
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virtual void scroll_into_view(const ModelIndex&, bool scroll_horizontally = true, bool scroll_vertically = true) override;
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void scroll_into_view(const ModelIndex& index, Orientation orientation)
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{
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scroll_into_view(index, orientation == Gfx::Orientation::Horizontal, orientation == Gfx::Orientation::Vertical);
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}
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virtual ModelIndex index_at_event_position(const Gfx::IntPoint&, bool& is_toggle) const;
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virtual ModelIndex index_at_event_position(const Gfx::IntPoint&) const override;
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virtual void select_all() override;
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void header_did_change_section_visibility(Badge<HeaderView>, Gfx::Orientation, int section, bool visible);
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void header_did_change_section_size(Badge<HeaderView>, Gfx::Orientation, int section, int size);
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virtual void did_scroll() override;
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HeaderView& column_header() { return *m_column_header; }
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const HeaderView& column_header() const { return *m_column_header; }
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HeaderView& row_header() { return *m_row_header; }
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const HeaderView& row_header() const { return *m_row_header; }
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virtual void model_did_update(unsigned flags) override;
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protected:
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virtual ~AbstractTableView() override;
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AbstractTableView();
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virtual void mousedown_event(MouseEvent&) override;
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virtual void context_menu_event(ContextMenuEvent&) override;
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virtual void keydown_event(KeyEvent&) override;
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virtual void resize_event(ResizeEvent&) override;
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virtual void toggle_index(const ModelIndex&) { }
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void update_content_size();
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virtual void auto_resize_column(int column);
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virtual void update_column_sizes();
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virtual void update_row_sizes();
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virtual int item_count() const;
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TableCellPaintingDelegate* column_painting_delegate(int column) const;
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void move_cursor_relative(int vertical_steps, int horizontal_steps, SelectionUpdate);
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virtual Gfx::IntPoint automatic_scroll_delta_from_position(const Gfx::IntPoint& pos) const override;
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private:
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void layout_headers();
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bool is_navigation(GUI::KeyEvent&);
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RefPtr<HeaderView> m_column_header;
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RefPtr<HeaderView> m_row_header;
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RefPtr<Button> m_corner_button;
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HashMap<int, OwnPtr<TableCellPaintingDelegate>> m_column_painting_delegate;
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bool m_alternating_row_colors { true };
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bool m_highlight_selected_rows { true };
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int m_vertical_padding { 8 };
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int m_horizontal_padding { font().glyph_height() / 2 };
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int m_tab_moves { 0 };
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};
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}
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