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	 2adb0a07e5
			
		
	
	
		2adb0a07e5
		
	
	
	
	
		
			
			Auto-sizing of view columns is now enabled by default. This removes the last remaining need for ColumnMetadata, so this patch gets rid of it.
		
			
				
	
	
		
			128 lines
		
	
	
	
		
			4.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			128 lines
		
	
	
	
		
			4.6 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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| 
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| #pragma once
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| 
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| #include <LibGUI/AbstractView.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() {}
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| 
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|     virtual void paint(Painter&, const Gfx::Rect&, const Gfx::Palette&, const Model&, const ModelIndex&) = 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 item_height() const { return 16; }
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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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| 
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|     int header_height() const { return m_headers_visible ? 16 : 0; }
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| 
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|     bool headers_visible() const { return m_headers_visible; }
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|     void set_headers_visible(bool headers_visible) { m_headers_visible = headers_visible; }
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| 
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|     bool is_column_hidden(int) const;
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|     void set_column_hidden(int, bool);
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| 
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|     void set_cell_painting_delegate(int column, OwnPtr<TableCellPaintingDelegate>&&);
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| 
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|     int horizontal_padding() const { return m_horizontal_padding; }
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| 
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|     Gfx::Point adjusted_position(const Gfx::Point&) const;
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| 
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|     virtual Gfx::Rect content_rect(const ModelIndex&) const override;
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|     Gfx::Rect content_rect(int row, int column) const;
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|     Gfx::Rect row_rect(int item_index) const;
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| 
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|     void scroll_into_view(const ModelIndex&, Orientation);
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| 
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|     virtual ModelIndex index_at_event_position(const Gfx::Point&, bool& is_toggle) const;
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|     virtual ModelIndex index_at_event_position(const Gfx::Point&) const override;
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| 
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|     virtual void select_all() override;
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| 
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|     void move_selection(int steps);
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| 
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| protected:
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|     virtual ~AbstractTableView() override;
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|     AbstractTableView();
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| 
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|     virtual void did_update_model(unsigned flags) override;
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|     virtual void mouseup_event(MouseEvent&) 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 doubleclick_event(MouseEvent&) override;
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|     virtual void leave_event(Core::Event&) override;
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|     virtual void context_menu_event(ContextMenuEvent&) override;
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| 
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|     virtual void toggle_index(const ModelIndex&) {}
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| 
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|     void paint_headers(Painter&);
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|     Gfx::Rect header_rect(int column) const;
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| 
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|     static const Gfx::Font& header_font();
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|     void update_headers();
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|     void set_hovered_header_index(int);
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| 
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|     struct ColumnData {
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|         int width { 0 };
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|         bool has_initialized_width { false };
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|         bool visibility { true };
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|         RefPtr<Action> visibility_action;
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|         OwnPtr<TableCellPaintingDelegate> cell_painting_delegate;
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|     };
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|     ColumnData& column_data(int column) const;
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| 
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|     mutable Vector<ColumnData> m_column_data;
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| 
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|     Menu& ensure_header_context_menu();
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|     RefPtr<Menu> m_header_context_menu;
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| 
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|     Gfx::Rect column_resize_grabbable_rect(int) const;
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|     int column_width(int) const;
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|     void update_content_size();
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|     virtual void update_column_sizes();
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|     virtual int item_count() const;
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| 
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| private:
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|     bool m_headers_visible { true };
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|     bool m_in_column_resize { false };
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|     bool m_alternating_row_colors { true };
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|     int m_horizontal_padding { 5 };
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|     Gfx::Point m_column_resize_origin;
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|     int m_column_resize_original_width { 0 };
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|     int m_resizing_column { -1 };
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|     int m_pressed_column_header_index { -1 };
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|     bool m_pressed_column_header_is_pressed { false };
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|     int m_hovered_column_header_index { -1 };
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| };
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| 
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| }
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