/* * Copyright (c) 2021, Cesar Torres * * SPDX-License-Identifier: BSD-2-Clause */ #pragma once #include class AutoSlider final : public GUI::Slider { C_OBJECT(AutoSlider) public: ~AutoSlider() override = default; Function on_knob_released; void set_value(int value) { if (!knob_dragging() && !mouse_is_down()) GUI::Slider::set_value(value); } bool mouse_is_down() const { return m_mouse_is_down; } private: AutoSlider(Orientation orientation) : GUI::Slider(orientation) { } virtual void mousedown_event(GUI::MouseEvent& event) override { m_mouse_is_down = true; GUI::Slider::mousedown_event(event); } virtual void mouseup_event(GUI::MouseEvent& event) override { m_mouse_is_down = false; if (on_knob_released && is_enabled()) on_knob_released(value()); GUI::Slider::mouseup_event(event); } bool m_mouse_is_down { false }; };