f8ab79e68a
This prevents the pitfall of UB when checking if they have been assigned something valid by comparing to nullptr.
102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
/*************************************************************************/
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/* spin_box.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 SPIN_BOX_H
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#define SPIN_BOX_H
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#include "scene/gui/line_edit.h"
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#include "scene/gui/range.h"
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#include "scene/main/timer.h"
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class SpinBox : public Range {
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GDCLASS(SpinBox, Range);
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LineEdit *line_edit = nullptr;
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int last_w = 0;
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bool update_on_text_changed = false;
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Timer *range_click_timer = nullptr;
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void _range_click_timeout();
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void _release_mouse();
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void _text_submitted(const String &p_string);
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virtual void _value_changed(double p_value) override;
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void _text_changed(const String &p_string);
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String prefix;
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String suffix;
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void _line_edit_input(const Ref<InputEvent> &p_event);
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struct Drag {
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float base_val = 0.0;
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bool allowed = false;
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bool enabled = false;
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Vector2 capture_pos;
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float diff_y = 0.0;
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} drag;
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void _line_edit_focus_exit();
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inline void _adjust_width_for_icon(const Ref<Texture2D> &icon);
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protected:
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virtual void gui_input(const Ref<InputEvent> &p_event) override;
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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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LineEdit *get_line_edit();
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virtual Size2 get_minimum_size() const override;
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void set_horizontal_alignment(HorizontalAlignment p_alignment);
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HorizontalAlignment get_horizontal_alignment() const;
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void set_editable(bool p_enabled);
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bool is_editable() const;
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void set_suffix(const String &p_suffix);
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String get_suffix() const;
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void set_prefix(const String &p_prefix);
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String get_prefix() const;
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void set_update_on_text_changed(bool p_enabled);
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bool get_update_on_text_changed() const;
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void apply();
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SpinBox();
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};
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#endif // SPIN_BOX_H
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