[Game] Playmats (#7101)

* [Game] Playmats

Took 19 seconds

Took 1 minute

* [Playmats] Add fixed override and configurable fallbacks to settings.

Took 29 minutes

Took 43 seconds

* Add main to test.

Took 1 minute

Took 29 seconds

* Move settings to own group

Took 11 minutes

* Some attempts to refresh macOS compositor

Took 2 minutes

* Try something else

Took 17 minutes

* Don't manipulate live list

Took 11 minutes

* Change things about resolution, address comments.

Took 45 minutes

Took 12 minutes

* Comments.

Took 14 minutes

Took 8 seconds

* Re-order settings menu location

Took 2 minutes

* Rename PlaymatResolution to Info and add enums

Took 8 minutes

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Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>

cockatrice/src/interface/widgets/playmat/playmat_collection_dialog.h

@@ -0,0 +1,54 @@
+#ifndef COCKATRICE_PLAYMAT_COLLECTION_DIALOG_H
+#define COCKATRICE_PLAYMAT_COLLECTION_DIALOG_H
+
+#include <QDialog>
+#include <libcockatrice/utility/playmat_params.h>
+
+class QComboBox;
+class QLabel;
+class QListWidget;
+class QListWidgetItem;
+class QPushButton;
+
+/**
+ * @brief Dialog for editing the user-level playmat collection.
+ *
+ * The collection is the fallback used when a deck has no playmat of its own.
+ * It supports multiple entries and a pick mode (always first / round-robin /
+ * random). The dialog edits a working copy and writes it to the settings only
+ * when accepted.
+ */
+class PlaymatCollectionDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit PlaymatCollectionDialog(QWidget *parent = nullptr);
+
+    void accept() override;
+
+private slots:
+    void addPlaymat();
+    void editPlaymat();
+    void removePlaymat();
+    void movePlaymatUp();
+    void movePlaymatDown();
+    void selectionChanged();
+
+private:
+    void setupUi();
+    void retranslateUi();
+    int currentRow() const;
+
+    QList<PlaymatInfo> playmats; ///< Working copy edited by the dialog.
+    QListWidget *playmatList;
+    QComboBox *modeCombo;
+    QLabel *modeLabel;
+    QPushButton *addButton;
+    QPushButton *editButton;
+    QPushButton *removeButton;
+    QPushButton *moveUpButton;
+    QPushButton *moveDownButton;
+};
+
+#endif // COCKATRICE_PLAYMAT_COLLECTION_DIALOG_H