mirror of
https://github.com/RGBCube/serenity
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50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
/*
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* Copyright (c) 2021, Cesar Torres <shortanemoia@protonmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibGUI/Slider.h>
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class AutoSlider final : public GUI::Slider {
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C_OBJECT(AutoSlider)
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public:
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~AutoSlider() override = default;
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Function<void(int)> on_knob_released;
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virtual void set_value(int value, GUI::AllowCallback allow_callback = GUI::AllowCallback::Yes, DoClamp do_clamp = DoClamp::Yes) override
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{
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m_in_drag_value = value;
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if (!knob_dragging() && !mouse_is_down())
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GUI::Slider::set_value(value, allow_callback, do_clamp);
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}
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bool mouse_is_down() const { return m_mouse_is_down; }
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private:
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AutoSlider(Orientation orientation)
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: GUI::Slider(orientation)
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{
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}
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virtual void mousedown_event(GUI::MouseEvent& event) override
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{
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m_mouse_is_down = true;
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GUI::Slider::mousedown_event(event);
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}
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virtual void mouseup_event(GUI::MouseEvent& event) override
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{
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m_mouse_is_down = false;
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set_value(m_in_drag_value);
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if (on_knob_released && is_enabled())
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on_knob_released(value());
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GUI::Slider::mouseup_event(event);
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}
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bool m_mouse_is_down { false };
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// Keeps track of the value while we're dragging
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int m_in_drag_value { 0 };
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};
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