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https://github.com/LadybirdBrowser/ladybird.git
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f34b1c7a7e
`Tool::get_properties_widget()` now also returns a NNRP to a widget rather than a raw pointer.
68 lines
2.5 KiB
C++
68 lines
2.5 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022-2023, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "../Layer.h"
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#include "Tool.h"
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#include <LibGUI/RadioButton.h>
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namespace PixelPaint {
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enum class ResizeAnchorLocation {
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BottomLeft,
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BottomRight,
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TopLeft,
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TopRight
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};
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class MoveTool final : public Tool {
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public:
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MoveTool() = default;
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virtual ~MoveTool() override = default;
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enum class LayerSelectionMode {
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ForegroundLayer,
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ActiveLayer,
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};
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virtual void on_mousedown(Layer*, MouseEvent&) override;
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virtual void on_mousemove(Layer*, MouseEvent&) override;
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virtual void on_mouseup(Layer*, MouseEvent&) override;
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virtual bool on_keydown(GUI::KeyEvent&) override;
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virtual void on_keyup(GUI::KeyEvent&) override;
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virtual void on_second_paint(Layer const*, GUI::PaintEvent&) override;
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virtual NonnullRefPtr<GUI::Widget> get_properties_widget() override;
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virtual Variant<Gfx::StandardCursor, NonnullRefPtr<Gfx::Bitmap const>> cursor() override;
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virtual bool is_overriding_alt() override { return true; }
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LayerSelectionMode layer_selection_mode() const { return m_layer_selection_mode; }
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bool cursor_is_within_resize_anchor() { return m_resize_anchor_location.has_value(); }
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private:
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static int resize_anchor_size(Gfx::IntRect layer_rect_in_frame_coordinates);
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static Gfx::IntRect resize_anchor_rect_from_position(Gfx::IntPoint, int resize_anchor_size);
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static Array<Gfx::IntRect, 4> resize_anchor_rects(Gfx::IntRect layer_rect_in_frame_coordinates, int resize_anchor_size);
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virtual StringView tool_name() const override { return "Move Tool"sv; }
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ErrorOr<void> update_cached_preview_bitmap(Layer const* layer);
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Optional<ResizeAnchorLocation const> resize_anchor_location_from_cursor_position(Layer const*, MouseEvent&);
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void toggle_selection_mode();
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LayerSelectionMode m_layer_selection_mode { LayerSelectionMode::ForegroundLayer };
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RefPtr<Layer> m_layer_being_moved;
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Gfx::IntPoint m_event_origin;
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Gfx::IntPoint m_layer_origin;
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Gfx::IntRect m_new_layer_rect;
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bool m_scaling { false };
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Optional<ResizeAnchorLocation const> m_resize_anchor_location {};
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bool m_keep_aspect_ratio { false };
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RefPtr<GUI::Widget> m_properties_widget;
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RefPtr<GUI::RadioButton> m_selection_mode_foreground;
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RefPtr<GUI::RadioButton> m_selection_mode_active;
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RefPtr<Gfx::Bitmap> m_cached_preview_bitmap { nullptr };
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};
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}
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