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f8ab79e68a
This prevents the pitfall of UB when checking if they have been assigned something valid by comparing to nullptr.
110 lines
3.7 KiB
C++
110 lines
3.7 KiB
C++
/*************************************************************************/
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/* range.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef RANGE_H
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#define RANGE_H
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#include "scene/gui/control.h"
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class Range : public Control {
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GDCLASS(Range, Control);
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struct Shared {
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double val = 0.0;
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double min = 0.0;
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double max = 100.0;
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double step = 1.0;
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double page = 0.0;
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bool exp_ratio = false;
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bool allow_greater = false;
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bool allow_lesser = false;
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Set<Range *> owners;
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void emit_value_changed();
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void emit_changed(const char *p_what = "");
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};
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Shared *shared = nullptr;
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void _ref_shared(Shared *p_shared);
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void _unref_shared();
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void _share(Node *p_range);
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void _value_changed_notify();
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void _changed_notify(const char *p_what = "");
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void _validate_values();
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protected:
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virtual void _value_changed(double p_value);
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static void _bind_methods();
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bool _rounded_values = false;
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GDVIRTUAL1(_value_changed, double)
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public:
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void set_value(double p_val);
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void set_min(double p_min);
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void set_max(double p_max);
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void set_step(double p_step);
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void set_page(double p_page);
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void set_as_ratio(double p_value);
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double get_value() const;
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double get_min() const;
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double get_max() const;
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double get_step() const;
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double get_page() const;
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double get_as_ratio() const;
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void set_use_rounded_values(bool p_enable);
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bool is_using_rounded_values() const;
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void set_exp_ratio(bool p_enable);
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bool is_ratio_exp() const;
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void set_allow_greater(bool p_allow);
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bool is_greater_allowed() const;
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void set_allow_lesser(bool p_allow);
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bool is_lesser_allowed() const;
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void share(Range *p_range);
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void unshare();
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TypedArray<String> get_configuration_warnings() const override;
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Range();
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~Range();
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};
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#endif
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