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c3a60a5dcd
When the cursor is clicked outside of the slider knob, the current behavior is that it will step up or down by the Slider page step amount. This commit adds an option to jump the slider knob directly to the where the mouse cursor is on mouse down events. This behavior is disabled by default. It must be enabled with `Slider::set_jump_to_cursor()`. Jump to cursor is enabled in SoundPlayer since most music players have this behavior.
56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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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/Widget.h>
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namespace GUI {
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class AbstractSlider : public Widget {
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C_OBJECT_ABSTRACT(AbstractSlider);
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public:
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virtual ~AbstractSlider() override;
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void set_orientation(Orientation value);
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Orientation orientation() const { return m_orientation; }
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int value() const { return m_value; }
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int min() const { return m_min; }
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int max() const { return m_max; }
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int step() const { return m_step; }
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int page_step() const { return m_page_step; }
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bool jump_to_cursor() const { return m_jump_to_cursor; }
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void set_range(int min, int max);
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void set_value(int);
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void set_min(int min) { set_range(min, max()); }
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void set_max(int max) { set_range(min(), max); }
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void set_step(int step) { m_step = step; }
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void set_page_step(int page_step);
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void set_jump_to_cursor(bool b) { m_jump_to_cursor = b; }
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Function<void(int)> on_change;
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protected:
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explicit AbstractSlider(Orientation = Orientation::Vertical);
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private:
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void set_knob_hovered(bool);
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int m_value { 0 };
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int m_min { 0 };
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int m_max { 0 };
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int m_step { 1 };
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int m_page_step { 10 };
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bool m_jump_to_cursor { false };
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Orientation m_orientation { Orientation::Horizontal };
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};
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}
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