mirror of
https://github.com/RGBCube/serenity
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b1b6a6d6e8
This adds support for the Tools in PixelPaint to use different cursors within ImageEditor. For now most of them get the crosshair cursor since it's the most fitting, but in the future we will want to add custom cursors.
86 lines
1.9 KiB
C++
86 lines
1.9 KiB
C++
/*
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* Copyright (c) 2020, 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 "MoveTool.h"
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#include "Image.h"
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#include "ImageEditor.h"
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#include "Layer.h"
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#include <LibGUI/Action.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/Window.h>
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#include <LibGfx/Bitmap.h>
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namespace PixelPaint {
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MoveTool::MoveTool()
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{
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}
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MoveTool::~MoveTool()
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{
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}
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void MoveTool::on_mousedown(Layer& layer, GUI::MouseEvent& event, GUI::MouseEvent& image_event)
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{
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if (event.button() != GUI::MouseButton::Left)
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return;
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if (!layer.rect().contains(event.position()))
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return;
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m_layer_being_moved = layer;
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m_event_origin = image_event.position();
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m_layer_origin = layer.location();
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}
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void MoveTool::on_mousemove(Layer&, GUI::MouseEvent&, GUI::MouseEvent& image_event)
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{
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if (!m_layer_being_moved)
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return;
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auto delta = image_event.position() - m_event_origin;
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m_layer_being_moved->set_location(m_layer_origin.translated(delta));
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m_editor->layers_did_change();
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}
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void MoveTool::on_mouseup(Layer&, GUI::MouseEvent& event, GUI::MouseEvent&)
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{
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if (event.button() != GUI::MouseButton::Left)
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return;
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m_layer_being_moved = nullptr;
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m_editor->did_complete_action();
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}
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void MoveTool::on_keydown(GUI::KeyEvent& event)
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{
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if (event.modifiers() != 0)
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return;
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auto* layer = m_editor->active_layer();
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if (!layer)
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return;
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auto new_location = layer->location();
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switch (event.key()) {
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case Key_Up:
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new_location.translate_by(0, -1);
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break;
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case Key_Down:
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new_location.translate_by(0, 1);
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break;
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case Key_Left:
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new_location.translate_by(-1, 0);
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break;
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case Key_Right:
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new_location.translate_by(1, 0);
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break;
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default:
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return;
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}
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layer->set_location(new_location);
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m_editor->layers_did_change();
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}
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}
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