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92fffc3abc
This is a helpful option to prevent unwanted side effects, distinguish between user and programmatic input, etc. Sliders and SpinBoxes were implementing it idiosyncratically, so let's generalize the API and give Buttons and TextEditors the same ability.
59 lines
1.5 KiB
C++
59 lines
1.5 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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bool is_min() const { return m_value == m_min; }
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bool is_max() const { return m_value == m_max; }
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void set_range(int min, int max);
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virtual void set_value(int, AllowCallback = AllowCallback::Yes);
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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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