[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_settings_dialog.h

@@ -0,0 +1,85 @@
+#ifndef COCKATRICE_PLAYMAT_SETTINGS_DIALOG_H
+#define COCKATRICE_PLAYMAT_SETTINGS_DIALOG_H
+
+#include <QDialog>
+#include <QPixmap>
+#include <libcockatrice/deck_list/deck_list.h>
+
+class QComboBox;
+class QCompleter;
+class QDoubleSpinBox;
+class QGroupBox;
+class QLabel;
+class QLineEdit;
+class QPushButton;
+class CardDatabaseModel;
+class CardDatabaseDisplayModel;
+class CardSearchModel;
+class CardCompleterProxyModel;
+class PlaymatPreviewWidget;
+
+/**
+ * @brief Dialog for configuring the playmat card art for a deck.
+ *
+ * Allows the user to select a card from the database and adjust
+ * positioning parameters (margins, zoom, vertical offset) for how
+ * the card art appears as a playmat background across the
+ * combined table + stack play area.
+ */
+class PlaymatSettingsDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit PlaymatSettingsDialog(const CardRef &initialCard = {},
+                                   const PlaymatParams &initialParams = {},
+                                   QWidget *parent = nullptr);
+
+    CardRef card() const;
+    PlaymatParams params() const;
+
+private slots:
+    void onCardNameChanged(const QString &name);
+    void reloadPreview();
+    void onParamChanged();
+
+private:
+    void setupUi();
+    void populateProviderCombo(const QString &cardName);
+    void initializeSearchBar();
+    void retranslateUi();
+    QDoubleSpinBox *makeSpinBox(double min, double max, double value, double step);
+
+    QLineEdit *searchBar;
+    QCompleter *completer;
+    CardDatabaseModel *cardDatabaseModel;
+    CardDatabaseDisplayModel *cardDatabaseDisplayModel;
+    CardSearchModel *searchModel;
+    CardCompleterProxyModel *proxyModel;
+
+    QComboBox *providerComboBox;
+
+    QMetaObject::Connection pixmapUpdatedConnection;
+
+    QLabel *cardNameLabel;
+    QLabel *printingLabel;
+    QLabel *leftMarginLabel;
+    QLabel *rightMarginLabel;
+    QLabel *verticalOffsetLabel;
+    QLabel *zoomLabel;
+    QGroupBox *controlsGroup;
+    QGroupBox *previewGroup;
+    QPushButton *removeButton;
+
+    QDoubleSpinBox *marginLSpin;
+    QDoubleSpinBox *marginRSpin;
+    QDoubleSpinBox *verticalOffsetSpin;
+    QDoubleSpinBox *zoomSpin;
+    PlaymatPreviewWidget *preview;
+
+    QPixmap currentPixmap;
+    CardRef currentCard;
+    PlaymatParams currentParams;
+};
+
+#endif // COCKATRICE_PLAYMAT_SETTINGS_DIALOG_H