mirror of
https://github.com/LadybirdBrowser/ladybird.git
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116cf92156
This fits nicer with FloatRect,FloatPoint,FloatSize and gives a much better visual clue about what type of metric is being used.
90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
/*
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* Copyright (c) 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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#pragma once
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#include "Image.h"
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#include <LibGUI/Widget.h>
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namespace PixelPaint {
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class LayerListWidget final
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: public GUI::Widget
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, ImageClient {
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C_OBJECT(LayerListWidget);
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public:
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virtual ~LayerListWidget() override;
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void set_image(Image*);
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void set_selected_layer(Layer*);
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Function<void(Layer*)> on_layer_select;
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void select_bottom_layer();
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void select_top_layer();
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void move_selection(int delta);
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private:
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explicit LayerListWidget();
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virtual void paint_event(GUI::PaintEvent&) override;
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virtual void mousedown_event(GUI::MouseEvent&) override;
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virtual void mousemove_event(GUI::MouseEvent&) override;
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virtual void mouseup_event(GUI::MouseEvent&) override;
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virtual void resize_event(GUI::ResizeEvent&) override;
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virtual void image_did_add_layer(size_t) override;
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virtual void image_did_remove_layer(size_t) override;
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virtual void image_did_modify_layer(size_t) override;
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virtual void image_did_modify_layer_stack() override;
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void rebuild_gadgets();
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void relayout_gadgets();
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size_t hole_index_during_move() const;
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struct Gadget {
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size_t layer_index { 0 };
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Gfx::IntRect rect;
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Gfx::IntRect temporary_rect_during_move;
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bool is_moving { false };
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Gfx::IntPoint movement_delta;
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};
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bool is_moving_gadget() const { return m_moving_gadget_index.has_value(); }
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Optional<size_t> gadget_at(const Gfx::IntPoint&);
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Vector<Gadget> m_gadgets;
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RefPtr<Image> m_image;
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Optional<size_t> m_moving_gadget_index;
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Gfx::IntPoint m_moving_event_origin;
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};
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}
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