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			97 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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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/Widget.h>
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| #include <LibGfx/Orientation.h>
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| 
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| namespace GUI {
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| 
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| class HeaderView final : public Widget {
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|     C_OBJECT(HeaderView);
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| 
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| public:
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|     virtual ~HeaderView() override;
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| 
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|     Gfx::Orientation orientation() const { return m_orientation; }
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| 
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|     Model* model();
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|     const Model* model() const;
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| 
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|     void set_section_size(int section, int size);
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|     int section_size(int section) const;
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| 
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|     void set_default_section_size(int section, int size);
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|     int default_section_size(int section) const;
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|     bool is_default_section_size_initialized(int section) const;
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| 
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|     Gfx::TextAlignment section_alignment(int section) const;
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|     void set_section_alignment(int section, Gfx::TextAlignment);
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| 
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|     bool is_section_visible(int section) const;
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|     void set_section_visible(int section, bool);
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| 
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|     int section_count() const;
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|     Gfx::IntRect section_rect(int section) const;
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| 
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|     Function<void(int section)> on_resize_doubleclick;
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| 
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| private:
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|     HeaderView(AbstractTableView&, Gfx::Orientation);
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| 
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|     virtual void paint_event(PaintEvent&) 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 doubleclick_event(MouseEvent&) override;
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|     virtual void context_menu_event(ContextMenuEvent&) override;
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|     virtual void leave_event(Core::Event&) override;
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| 
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|     struct VisibleSectionRange {
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|         int start_offset { 0 };
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|         int start { 0 };
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|         int end { 0 };
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|     };
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|     VisibleSectionRange visible_section_range() const;
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| 
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|     Gfx::IntRect section_resize_grabbable_rect(int) const;
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| 
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|     void paint_horizontal(Painter&);
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|     void paint_vertical(Painter&);
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| 
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|     Menu& ensure_context_menu();
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|     RefPtr<Menu> m_context_menu;
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| 
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|     AbstractTableView& m_table_view;
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| 
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|     Gfx::Orientation m_orientation { Gfx::Orientation::Horizontal };
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| 
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|     struct SectionData {
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|         int size { 0 };
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|         int default_size { 0 };
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|         bool has_initialized_size { false };
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|         bool has_initialized_default_size { false };
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|         bool visibility { true };
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|         RefPtr<Action> visibility_action;
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|         Gfx::TextAlignment alignment { Gfx::TextAlignment::CenterLeft };
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|     };
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|     SectionData& section_data(int section) const;
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| 
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|     void set_hovered_section(int);
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| 
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|     mutable Vector<SectionData> m_section_data;
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| 
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|     bool m_in_section_resize { false };
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|     Gfx::IntPoint m_section_resize_origin;
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|     int m_section_resize_original_width { 0 };
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|     int m_resizing_section { -1 };
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|     int m_pressed_section { -1 };
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|     bool m_pressed_section_is_pressed { false };
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|     int m_hovered_section { -1 };
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| };
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| 
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| }
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