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https://github.com/RGBCube/serenity
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068ca3a394
The Selection object now tracks whether there is an ongoing interactive selection (originating from one of the selection tools). If so it makes sure to pump the marching ants animation.
72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
/*
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* Copyright (c) 2021, 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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#include "RectangleSelectTool.h"
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#include "ImageEditor.h"
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#include "Layer.h"
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#include <LibGUI/Painter.h>
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namespace PixelPaint {
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RectangleSelectTool::RectangleSelectTool()
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{
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}
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RectangleSelectTool::~RectangleSelectTool()
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{
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}
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void RectangleSelectTool::on_mousedown(Layer&, GUI::MouseEvent&, GUI::MouseEvent& image_event)
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{
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if (image_event.button() != GUI::MouseButton::Left)
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return;
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m_selecting = true;
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m_editor->selection().begin_interactive_selection();
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m_selection_start = image_event.position();
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m_selection_end = image_event.position();
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m_editor->update();
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}
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void RectangleSelectTool::on_mousemove(Layer&, GUI::MouseEvent&, GUI::MouseEvent& image_event)
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{
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if (!m_selecting)
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return;
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m_selection_end = image_event.position();
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m_editor->update();
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}
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void RectangleSelectTool::on_mouseup(Layer&, GUI::MouseEvent&, GUI::MouseEvent& image_event)
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{
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if (!m_selecting || image_event.button() != GUI::MouseButton::Left)
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return;
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m_selecting = false;
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m_editor->selection().end_interactive_selection();
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m_editor->update();
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auto rect_in_image = Gfx::IntRect::from_two_points(m_selection_start, m_selection_end);
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m_editor->selection().set(rect_in_image);
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}
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void RectangleSelectTool::on_second_paint(Layer const&, GUI::PaintEvent& event)
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{
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if (!m_selecting)
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return;
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GUI::Painter painter(*m_editor);
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painter.add_clip_rect(event.rect());
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auto rect_in_image = Gfx::IntRect::from_two_points(m_selection_start, m_selection_end);
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auto rect_in_editor = m_editor->image_rect_to_editor_rect(rect_in_image);
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m_editor->selection().draw_marching_ants(painter, rect_in_editor.to_type<int>());
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}
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}
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