ladybird/Userland/Applications/PixelPaint/ZoomTool.cpp
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

59 lines
1.7 KiB
C++

/*
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "ZoomTool.h"
#include "ImageEditor.h"
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Label.h>
#include <LibGUI/Slider.h>
namespace PixelPaint {
ZoomTool::ZoomTool()
{
}
ZoomTool::~ZoomTool()
{
}
void ZoomTool::on_mousedown(Layer&, GUI::MouseEvent& event, GUI::MouseEvent&)
{
if (event.button() != GUI::MouseButton::Left && event.button() != GUI::MouseButton::Right)
return;
auto scale_factor = (event.button() == GUI::MouseButton::Left) ? m_sensitivity : -m_sensitivity;
m_editor->scale_centered_on_position(event.position(), scale_factor);
}
GUI::Widget* ZoomTool::get_properties_widget()
{
if (!m_properties_widget) {
m_properties_widget = GUI::Widget::construct();
m_properties_widget->set_layout<GUI::VerticalBoxLayout>();
auto& sensitivity_container = m_properties_widget->add<GUI::Widget>();
sensitivity_container.set_fixed_height(20);
sensitivity_container.set_layout<GUI::HorizontalBoxLayout>();
auto& sensitivity_label = sensitivity_container.add<GUI::Label>("Sensitivity:");
sensitivity_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
sensitivity_label.set_fixed_size(80, 20);
auto& sensitivity_slider = sensitivity_container.add<GUI::HorizontalSlider>();
sensitivity_slider.set_fixed_height(20);
sensitivity_slider.set_range(1, 100);
sensitivity_slider.set_value(100 * m_sensitivity);
sensitivity_slider.on_change = [this](int value) {
m_sensitivity = (double)value / 100.0;
};
}
return m_properties_widget.ptr();
}
}