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			66 lines
		
	
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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|  * Copyright (c) 2022, 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 <AK/Assertions.h>
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| #include <AK/StdLibExtras.h>
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| #include <LibGUI/Painter.h>
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| #include <LibGUI/Slider.h>
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| #include <LibGfx/Palette.h>
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| 
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| namespace GUI {
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| 
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| AbstractSlider::AbstractSlider(Orientation orientation)
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|     : m_orientation(orientation)
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| {
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|     REGISTER_INT_PROPERTY("value", value, set_value);
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|     REGISTER_INT_PROPERTY("min", min, set_min);
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|     REGISTER_INT_PROPERTY("max", max, set_max);
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|     REGISTER_INT_PROPERTY("step", step, set_step);
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|     REGISTER_INT_PROPERTY("page_step", page_step, set_page_step);
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|     REGISTER_ENUM_PROPERTY("orientation", this->orientation, set_orientation, Orientation,
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|         { Orientation::Horizontal, "Horizontal" },
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|         { Orientation::Vertical, "Vertical" });
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| }
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| 
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| void AbstractSlider::set_orientation(Orientation value)
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| {
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|     if (m_orientation == value)
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|         return;
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|     m_orientation = value;
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|     update();
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| }
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| 
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| void AbstractSlider::set_page_step(int page_step)
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| {
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|     m_page_step = AK::max(0, page_step);
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| }
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| 
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| void AbstractSlider::set_range(int min, int max)
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| {
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|     VERIFY(min <= max);
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|     if (m_min == min && m_max == max)
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|         return;
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|     m_min = min;
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|     m_max = max;
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|     m_value = clamp(m_value, m_min, m_max);
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|     update();
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| }
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| 
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| void AbstractSlider::set_value(int value, AllowCallback allow_callback, DoClamp do_clamp)
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| {
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|     if (do_clamp == DoClamp::Yes)
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|         value = clamp(value, m_min, m_max);
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|     if (m_value == value)
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|         return;
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|     m_value = value;
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|     update();
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| 
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|     if (on_change && allow_callback == AllowCallback::Yes)
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|         on_change(m_value);
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| }
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| 
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| }
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