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Applications: Move to Userland/Applications/

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Andreas Kling 2021-01-12 12:05:23 +01:00
parent aa939c4b4b
commit dc28c07fa5
287 changed files with 1 additions and 1 deletions
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Userland/Applications/PixelPaint/LayerListWidget.h Normal file
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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "Image.h"
#include <LibGUI/Widget.h>
namespace PixelPaint {
class LayerListWidget final
: public GUI::Widget
, ImageClient {
C_OBJECT(LayerListWidget);
public:
virtual ~LayerListWidget() override;
void set_image(Image*);
void set_selected_layer(Layer*);
Function<void(Layer*)> on_layer_select;
void select_bottom_layer();
void select_top_layer();
void move_selection(int delta);
private:
explicit LayerListWidget();
virtual void paint_event(GUI::PaintEvent&) override;
virtual void mousedown_event(GUI::MouseEvent&) override;
virtual void mousemove_event(GUI::MouseEvent&) override;
virtual void mouseup_event(GUI::MouseEvent&) override;
virtual void resize_event(GUI::ResizeEvent&) override;
virtual void image_did_add_layer(size_t) override;
virtual void image_did_remove_layer(size_t) override;
virtual void image_did_modify_layer(size_t) override;
virtual void image_did_modify_layer_stack() override;
void rebuild_gadgets();
void relayout_gadgets();
size_t hole_index_during_move() const;
struct Gadget {
size_t layer_index { 0 };
Gfx::IntRect rect;
Gfx::IntRect temporary_rect_during_move;
bool is_moving { false };
Gfx::IntPoint movement_delta;
};
bool is_moving_gadget() const { return m_moving_gadget_index.has_value(); }
Optional<size_t> gadget_at(const Gfx::IntPoint&);
Vector<Gadget> m_gadgets;
RefPtr<Image> m_image;
Optional<size_t> m_moving_gadget_index;
Gfx::IntPoint m_moving_event_origin;
};
}