mirror of
https://github.com/RGBCube/serenity
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8eff3b1910
Specifically, this is to make it easier to save and restore this state to a config file. I had hoped to use the column names instead of their IDs, but some columns have an empty string as their name so we wouldn't be able to distinguish between those.
133 lines
5 KiB
C++
133 lines
5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, networkException <networkexception@serenityos.org>
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* Copyright (c) 2022, the SerenityOS developers.
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* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
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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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#include <LibGUI/Button.h>
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#include <LibGUI/HeaderView.h>
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namespace GUI {
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class TableCellPaintingDelegate {
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public:
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virtual ~TableCellPaintingDelegate() = default;
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virtual bool should_paint(ModelIndex const&) { return true; }
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virtual void paint(Painter&, Gfx::IntRect const&, Gfx::Palette const&, ModelIndex const&) = 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().pixel_size_rounded_up() + 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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// These return/accept a comma-separated list of column ids, for storing in a config file.
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ErrorOr<String> get_visible_columns() const;
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void set_visible_columns(StringView column_ids);
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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(Gfx::IntPoint) const;
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virtual Gfx::IntRect content_rect(ModelIndex const&) const override;
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Gfx::IntRect content_rect_minus_scrollbars(ModelIndex const&) const;
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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(ModelIndex const&, bool scroll_horizontally = true, bool scroll_vertically = true) override;
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void scroll_into_view(ModelIndex const& 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(Gfx::IntPoint, bool& is_toggle) const;
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virtual ModelIndex index_at_event_position(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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HeaderView const& column_header() const { return *m_column_header; }
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HeaderView& row_header() { return *m_row_header; }
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HeaderView const& 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 = default;
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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(ModelIndex const&) { }
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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(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().pixel_size_rounded_up() / 2 };
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int m_tab_moves { 0 };
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};
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}
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