添加设置UI

inc/spkconfig.h

@@ -0,0 +1,49 @@
+#ifndef SPKCONFIG_H
+#define SPKCONFIG_H
+
+#include <QSettings>
+#include <QHash>
+#include <QPair>
+#include <functional>
+
+class SpkConfig : public QObject
+{
+    Q_OBJECT
+  public:
+    SpkConfig(QObject *parent, QString configPath);
+    ~SpkConfig();
+
+    /**
+     * @brief BindField If a variable is bound to the specified key, then future chanegs via SetField
+     *                  will modify the provided variable. A callback can also be specified to make
+     *                  sure the chanegs are acceptable.
+     * @param key
+     * @param value A pointer to the variable to be bound
+     * @param defaultValue
+     * @param callback When SetField is called to modify this specific key associated with a callback,
+     *                 the callback is called. If the callback returned false then the original value
+     *                 is restored to the value target, and changes won't be saved in mSettings, and
+     *                 SetField will return false too. It is used to ensure if the target can accept
+     *                 the changes.
+     * @return false when the key is already bound.
+     */
+    bool BindField(QString key, QString* value, QString defaultValue, std::function<bool(void)> callback = nullptr);
+    bool BindField(QString key, int* value, int defaultValue, std::function<bool(void)> callback = nullptr);
+
+    bool SetField(QString key, QString value);
+    bool SetField(QString key, int value);
+
+    // Wrapper of QSettings::value, used for "read once on startup" configurations
+    QVariant ReadField(QString key, QVariant defaultValue);
+    // Wrapper of QSettings::setValue, used for "set and restart to take effect" configurations
+    void SetSettings(QString key, QVariant value);
+
+  private:
+    QSettings mSettings;
+
+    QHash<QString, QPair<QString*, std::function<bool(void)>>> mStringBindMap;
+    QHash<QString, QPair<int*,std::function<bool(void)>>> mIntBindMap;
+
+};
+
+#endif // SPKCONFIG_H