Tip of the Day (#3118)

* Basic tip of the day with sample widget added

* "Show tips on startup" option added to settings

* tip cycling implemented

* Structure of the tipOfTheDay class and resource created

* tip getter function modified

* Resources added, feature works properly

* clangified

* accidental modification rolled back

* zach cleanup

* tips to spaces; cmake list combined

* cleanup img

* fix copy

* remove TOTD as QObject so we can copy construct it

* prevent mem leaks in dlg

* changed order of 'next' and 'previous' buttons

* Date and tip numbers added; content wraps around

* useless sizepolicy removed

* link support added & clangified

* Initial tips & memory management updates

cockatrice/src/tip_of_the_day.h

@@ -0,0 +1,54 @@
+#ifndef TIP_OF_DAY_H
+#define TIP_OF_DAY_H
+
+#include <QAbstractListModel>
+
+class TipOfTheDay
+{
+public:
+    explicit TipOfTheDay(QString _title, QString _content, QString _imagePath, QDate _date);
+    QString getTitle() const
+    {
+        return title;
+    }
+    QString getContent() const
+    {
+        return content;
+    }
+    QString getImagePath() const
+    {
+        return imagePath;
+    }
+    QDate getDate() const
+    {
+        return date;
+    }
+
+private:
+    QString title, content, imagePath;
+    QDate date;
+};
+
+class TipsOfTheDay : public QAbstractListModel
+{
+    Q_OBJECT
+public:
+    enum Columns
+    {
+        TitleColumn,
+        ContentColumn,
+        ImagePathColumn,
+        DateColumn,
+    };
+
+    explicit TipsOfTheDay(QString xmlPath, QObject *parent = nullptr);
+    ~TipsOfTheDay() override;
+    TipOfTheDay getTip(int tipId);
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role) const override;
+
+private:
+    QList<TipOfTheDay> *tipList;
+};
+
+#endif