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			78 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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|  * Copyright (c) 2021, Linus Groh <linusg@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 <LibCore/Timer.h>
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| #include <LibGUI/Frame.h>
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| #include <LibGfx/Bitmap.h>
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| #include <LibGfx/ImageDecoder.h>
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| #include <LibGfx/Point.h>
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| 
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| class QSWidget final : public GUI::Frame {
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|     C_OBJECT(QSWidget)
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| public:
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|     enum Directions {
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|         First,
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|         Back,
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|         Forward,
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|         Last
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|     };
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| 
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|     virtual ~QSWidget() override;
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| 
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|     const Gfx::Bitmap* bitmap() const { return m_bitmap.ptr(); }
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|     const String& path() const { return m_path; }
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|     void set_scale(int);
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|     int scale() { return m_scale; }
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|     void set_toolbar_height(int height) { m_toolbar_height = height; }
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|     int toolbar_height() { return m_toolbar_height; }
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| 
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|     void clear();
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|     void flip(Gfx::Orientation);
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|     void rotate(Gfx::RotationDirection);
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|     void navigate(Directions);
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|     void load_from_file(const String&);
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| 
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|     Function<void(int, Gfx::IntRect)> on_scale_change;
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|     Function<void()> on_doubleclick;
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|     Function<void(const GUI::DropEvent&)> on_drop;
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| 
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| private:
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|     QSWidget();
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|     virtual void doubleclick_event(GUI::MouseEvent&) override;
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|     virtual void paint_event(GUI::PaintEvent&) override;
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|     virtual void resize_event(GUI::ResizeEvent&) override;
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|     virtual void mousedown_event(GUI::MouseEvent&) override;
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|     virtual void mouseup_event(GUI::MouseEvent&) override;
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|     virtual void mousemove_event(GUI::MouseEvent&) override;
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|     virtual void mousewheel_event(GUI::MouseEvent&) override;
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|     virtual void drop_event(GUI::DropEvent&) override;
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| 
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|     void set_bitmap(const Gfx::Bitmap* bitmap);
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| 
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|     void relayout();
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|     void resize_window();
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|     void reset_view();
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|     void animate();
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| 
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|     String m_path;
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|     RefPtr<Gfx::Bitmap> m_bitmap;
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|     Gfx::IntRect m_bitmap_rect;
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| 
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|     RefPtr<Gfx::ImageDecoder> m_image_decoder;
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|     size_t m_current_frame_index { 0 };
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|     size_t m_loops_completed { 0 };
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|     NonnullRefPtr<Core::Timer> m_timer;
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| 
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|     int m_scale { -1 };
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|     int m_toolbar_height { 28 };
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|     Gfx::FloatPoint m_pan_origin;
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|     Gfx::IntPoint m_click_position;
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|     Gfx::FloatPoint m_saved_pan_origin;
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|     Vector<String> m_files_in_same_dir;
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| };
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