Implement in-game navigation with keyboard

Implements a start to the keyboard navigation with the direction arrows
and the space key for card selection.
Some binds are still needed, but navigating the board is now possible.
The feature includes tests for the implemented feature.

Closes #5043

Co-authored-by: Manuel Ramos Monge <manuel.monge@tecnico.ulisboa.pt>

cockatrice/src/game/player/player_logic.cpp

@@ -11,6 +11,7 @@
 #include "../board/card_list.h"
 #include "../board/counter_general.h"
 #include "../game_scene.h"
+#include "../keyboard_card_navigator.h"
 #include "player_actions.h"
 #include "player_target.h"
 
@@ -323,6 +324,9 @@ bool PlayerLogic::clearCardsToDelete()
 void PlayerLogic::setActive(bool _active)
 {
     active = _active;
+    if (_active == true) {
+        hoverFirstCardInHand();
+    }
     emit activeChanged(active);
 }
 
@@ -348,3 +352,20 @@ void PlayerLogic::setGameStarted()
     }
     setConceded(false);
 }
+
+void PlayerLogic::hoverFirstCardInHand()
+{
+    HandZoneLogic *handZone = getHandZone();
+    if (!handZone) {
+        return;
+    }
+    const CardList &handCards = handZone->getCards();
+    if (!handCards.isEmpty()) {
+        CardItem *firstCard = handCards.at(0);
+        if (firstCard) {
+            firstCard->setHovered(true);
+            getGameScene()->getCardNavigator()->unhoverCard();
+            getGameScene()->getCardNavigator()->setHoveredCardIndex(0);
+        }
+    }
+}

cockatrice/src/game/player/player_logic.h

@@ -229,6 +229,8 @@ public:
 
     void setZoneId(int _zoneId);
 
+    void hoverFirstCardInHand();
+
 private:
     AbstractGame *game;
     PlayerInfo *playerInfo;