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			129 lines
		
	
	
	
		
			4.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
	
		
			4.7 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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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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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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| 
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| namespace GUI {
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| 
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| class TableCellPaintingDelegate {
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| public:
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|     virtual ~TableCellPaintingDelegate() = default;
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     bool column_headers_visible() const;
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|     void set_column_headers_visible(bool);
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| 
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|     void set_column_visible(int, bool);
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| 
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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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| 
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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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| 
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|     void set_column_painting_delegate(int column, OwnPtr<TableCellPaintingDelegate>);
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| 
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|     Gfx::IntPoint adjusted_position(Gfx::IntPoint) const;
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| 
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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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| 
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|     virtual Gfx::IntRect paint_invalidation_rect(ModelIndex const& index) const override;
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| 
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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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| 
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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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| 
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|     virtual void select_all() override;
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| 
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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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| 
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|     virtual void did_scroll() override;
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| 
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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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| 
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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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| 
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|     virtual void model_did_update(unsigned flags) override;
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| 
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| protected:
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|     virtual ~AbstractTableView() override = default;
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|     AbstractTableView();
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| 
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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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| 
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|     virtual void toggle_index(ModelIndex const&) { }
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| 
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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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| 
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|     TableCellPaintingDelegate* column_painting_delegate(int column) const;
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| 
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|     void move_cursor_relative(int vertical_steps, int horizontal_steps, SelectionUpdate);
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| 
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|     virtual Gfx::IntPoint automatic_scroll_delta_from_position(Gfx::IntPoint pos) const override;
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| 
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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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| 
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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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| 
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|     HashMap<int, OwnPtr<TableCellPaintingDelegate>> m_column_painting_delegate;
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| 
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|     bool m_alternating_row_colors { true };
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|     bool m_highlight_selected_rows { true };
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| 
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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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| }
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