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f8ab79e68a
This prevents the pitfall of UB when checking if they have been assigned something valid by comparing to nullptr.
63 lines
2.9 KiB
C++
63 lines
2.9 KiB
C++
/*************************************************************************/
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/* editor_zoom_widget.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 EDITOR_ZOOM_WIDGET_H
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#define EDITOR_ZOOM_WIDGET_H
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#include "scene/gui/box_container.h"
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#include "scene/gui/button.h"
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class EditorZoomWidget : public HBoxContainer {
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GDCLASS(EditorZoomWidget, HBoxContainer);
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Button *zoom_minus = nullptr;
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Button *zoom_reset = nullptr;
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Button *zoom_plus = nullptr;
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float zoom = 1.0;
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void _update_zoom_label();
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void _button_zoom_minus();
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void _button_zoom_reset();
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void _button_zoom_plus();
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protected:
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void _notification(int p_what);
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static void _bind_methods();
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public:
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EditorZoomWidget();
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float get_zoom();
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void set_zoom(float p_zoom);
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void set_zoom_by_increments(int p_increment_count, bool p_integer_only = false);
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};
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#endif // EDITOR_ZOOM_WIDGET_H
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