shortcut-util.cpp
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shortcut-util.cpp
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	/*
	* This file is part of kazv.
	* SPDX-FileCopyrightText: 2020-2024 tusooa <tusooa@kazv.moe>
	* SPDX-License-Identifier: AGPL-3.0-or-later
	*/

	#include <kazv-defs.hpp>
	#include "shortcut-util.hpp"
	#include <QKeySequence>

	using namespace Qt::Literals::StringLiterals;

	// https://stackoverflow.com/questions/64826271/how-to-use-qkeysequence-or-qkeysequenceedit-from-qml
	static bool isKeyUnknown(int key)
	{
	// weird key codes that appear when modifiers
	// are pressed without accompanying standard keys
	constexpr int NO_KEY_LOW = 16777248;
	constexpr int NO_KEY_HIGH = 16777251;
	if (NO_KEY_LOW <= key && key <= NO_KEY_HIGH) {
	return true;
	}

	if (key == Qt::Key_unknown) {
	return true;
	}

	return false;
	}

	bool ShortcutUtil::isModifier(int key, int /* modifiers */) const
	{
	return isKeyUnknown(key);
	}

	QString ShortcutUtil::keyToString(int key, int modifiers) const
	{
	if (!isKeyUnknown(key)) {
	return QKeySequence(key \| modifiers).toString();
	} else {
	// Change to "Ctrl+[garbage]" to "Ctrl+_"
	QString modifierOnlyString = QKeySequence(Qt::Key_Underscore \| modifiers).toString();

	// Change "Ctrl+_" to "Ctrl+..."
	modifierOnlyString.replace('_'_L1, u"..."_s);
	return modifierOnlyString;
	}
	}