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/*
* Copyright (c) 2021-2022, 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/ValueSlider.h>
namespace PixelPaint {
void ZoomTool::on_mousedown(Layer*, MouseEvent& event)
{
auto& raw_event = event.raw_event();
if (raw_event.button() != GUI::MouseButton::Primary && raw_event.button() != GUI::MouseButton::Secondary)
return;
auto scale_factor = (raw_event.button() == GUI::MouseButton::Primary) ? m_sensitivity : -m_sensitivity;
auto new_scale = AK::exp2(scale_factor);
m_editor->scale_centered(new_scale, raw_event.position());
}
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::ValueSlider>(Orientation::Horizontal, "%");
sensitivity_slider.set_range(1, 100);
sensitivity_slider.set_value(100 * m_sensitivity);
sensitivity_slider.on_change = [&](int value) {
m_sensitivity = (double)value / 100.0;
};
set_primary_slider(&sensitivity_slider);
}
return m_properties_widget.ptr();
}
}
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