mirror of
https://github.com/RGBCube/serenity
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54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
/*
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* Copyright (c) 2021-2023, 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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#include "ZoomTool.h"
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#include "../ImageEditor.h"
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Label.h>
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#include <LibGUI/ValueSlider.h>
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namespace PixelPaint {
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void ZoomTool::on_mousedown(Layer*, MouseEvent& event)
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{
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auto& raw_event = event.raw_event();
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if (raw_event.button() != GUI::MouseButton::Primary && raw_event.button() != GUI::MouseButton::Secondary)
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return;
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auto scale_factor = (raw_event.button() == GUI::MouseButton::Primary) ? m_sensitivity : -m_sensitivity;
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auto new_scale = m_editor->scale() * AK::exp2(scale_factor);
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m_editor->scale_centered(new_scale, raw_event.position());
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}
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ErrorOr<GUI::Widget*> ZoomTool::get_properties_widget()
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{
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if (!m_properties_widget) {
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auto properties_widget = TRY(GUI::Widget::try_create());
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(void)TRY(properties_widget->try_set_layout<GUI::VerticalBoxLayout>());
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auto sensitivity_container = TRY(properties_widget->try_add<GUI::Widget>());
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sensitivity_container->set_fixed_height(20);
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(void)TRY(sensitivity_container->try_set_layout<GUI::HorizontalBoxLayout>());
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auto sensitivity_label = TRY(sensitivity_container->try_add<GUI::Label>("Sensitivity:"_string));
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sensitivity_label->set_text_alignment(Gfx::TextAlignment::CenterLeft);
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sensitivity_label->set_fixed_size(80, 20);
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auto sensitivity_slider = TRY(sensitivity_container->try_add<GUI::ValueSlider>(Orientation::Horizontal, "%"_short_string));
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sensitivity_slider->set_range(1, 100);
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sensitivity_slider->set_value(100 * m_sensitivity);
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sensitivity_slider->on_change = [this](int value) {
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m_sensitivity = value / 100.0f;
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};
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set_primary_slider(sensitivity_slider);
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m_properties_widget = properties_widget;
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}
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return m_properties_widget.ptr();
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}
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}
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