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			60 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2021, 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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| 
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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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| 
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| namespace PixelPaint {
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| 
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| ZoomTool::ZoomTool()
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| {
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| }
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| 
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| ZoomTool::~ZoomTool()
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| {
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| }
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| 
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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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| 
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|     auto scale_factor = (raw_event.button() == GUI::MouseButton::Primary) ? m_sensitivity : -m_sensitivity;
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|     m_editor->scale_centered_on_position(raw_event.position(), scale_factor);
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| }
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| 
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| GUI::Widget* ZoomTool::get_properties_widget()
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| {
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|     if (!m_properties_widget) {
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|         m_properties_widget = GUI::Widget::construct();
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|         m_properties_widget->set_layout<GUI::VerticalBoxLayout>();
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| 
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|         auto& sensitivity_container = m_properties_widget->add<GUI::Widget>();
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|         sensitivity_container.set_fixed_height(20);
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|         sensitivity_container.set_layout<GUI::HorizontalBoxLayout>();
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| 
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|         auto& sensitivity_label = sensitivity_container.add<GUI::Label>("Sensitivity:");
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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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| 
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|         auto& sensitivity_slider = sensitivity_container.add<GUI::ValueSlider>(Orientation::Horizontal, "%");
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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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| 
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|         sensitivity_slider.on_change = [&](int value) {
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|             m_sensitivity = (double)value / 100.0;
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|         };
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|         set_primary_slider(&sensitivity_slider);
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|     }
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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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| }
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