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58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
#ifndef UNLOCKABLEICON_H
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#define UNLOCKABLEICON_H
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// Manages an icon loaded from an obfuscated data file containing the icon's image data and a key.
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// The icon can only be accessed by inputting the correct key.
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#include <QObject>
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#include <QIcon>
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#include <QString>
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#include <QSet>
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class UnlockableIcon : public QObject
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{
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Q_OBJECT
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public:
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UnlockableIcon(QObject* parent = nullptr);
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UnlockableIcon(const QString& dataFilepath, QObject* parent = nullptr);
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~UnlockableIcon() {};
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// Create the obfuscated data file to load an unlockable icon from.
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// Normally unused, this is only needed to update the resource data file.
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static bool createDataFile(const QString& inputFilepath, const QString& outputFilepath, const QString& key);
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bool load(const QString& dataFilepath);
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void clear();
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// Try to unlock the icon by matching the next character in the key.
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// Progress resets if the character is not a match.
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void tryUnlock(const QChar& c);
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// Try to unlock the icon by matching the next character in the key.
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// Progress resets if none of the characters in the set are a match.
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void tryUnlock(const QSet<QChar>& cSet);
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// Try to unlock the icon by matching the remaining characters in the key.
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// Progress resets if any character in the string is not a match.
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void tryUnlock(const QString& key);
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bool isUnlocked() const;
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QIcon icon() const;
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signals:
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void unlocked(const QIcon& icon);
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private:
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QIcon m_icon;
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QString m_key;
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quint32 m_keyIndex = 0;
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bool m_loaded = false;
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bool canUnlock() const;
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bool tryKeyMatch(const QSet<QChar>& cSet);
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};
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#endif // UNLOCKABLEICON_H
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