initial commit, 4.5 stable

scene/gui/range.h

@@ -0,0 +1,116 @@
+/**************************************************************************/
+/*  range.h                                                               */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "scene/gui/control.h"
+
+class Range : public Control {
+	GDCLASS(Range, Control);
+
+	struct Shared {
+		double val = 0.0;
+		double min = 0.0;
+		double max = 100.0;
+		double step = 1.0;
+		double page = 0.0;
+		bool exp_ratio = false;
+		bool allow_greater = false;
+		bool allow_lesser = false;
+		HashSet<Range *> owners;
+		void emit_value_changed();
+		void emit_changed();
+		void redraw_owners();
+	};
+
+	Shared *shared = nullptr;
+
+	void _ref_shared(Shared *p_shared);
+	void _unref_shared();
+
+	void _share(Node *p_range);
+
+	void _value_changed_notify();
+	void _changed_notify();
+	void _set_value_no_signal(double p_val);
+
+protected:
+	static double _snapped_r128(double p_value, double p_step);
+	double _calc_value(double p_val, double p_step) const;
+	virtual void _value_changed(double p_value);
+	void _notify_shared_value_changed() { shared->emit_value_changed(); }
+	void _notification(int p_what);
+
+	static void _bind_methods();
+
+	void _accessibility_action_inc(const Variant &p_data);
+	void _accessibility_action_dec(const Variant &p_data);
+	void _accessibility_action_set_value(const Variant &p_data);
+
+	bool _rounded_values = false;
+
+	GDVIRTUAL1(_value_changed, double)
+
+public:
+	void set_value(double p_val);
+	void set_value_no_signal(double p_val);
+	void set_min(double p_min);
+	void set_max(double p_max);
+	void set_step(double p_step);
+	void set_page(double p_page);
+	void set_as_ratio(double p_value);
+
+	double get_value() const;
+	double get_min() const;
+	double get_max() const;
+	double get_step() const;
+	double get_page() const;
+	double get_as_ratio() const;
+
+	void set_use_rounded_values(bool p_enable);
+	bool is_using_rounded_values() const;
+
+	void set_exp_ratio(bool p_enable);
+	bool is_ratio_exp() const;
+
+	void set_allow_greater(bool p_allow);
+	bool is_greater_allowed() const;
+
+	void set_allow_lesser(bool p_allow);
+	bool is_lesser_allowed() const;
+
+	void share(Range *p_range);
+	void unshare();
+
+	PackedStringArray get_configuration_warnings() const override;
+
+	Range();
+	~Range();
+};