Reveal top x cards

Updated reveal top card to reveal top x cards
Sometimes you want to reveal more than only the top 1 card.

cockatrice/src/player.cpp

@@ -515,8 +515,19 @@ void Player::playerListActionTriggered()
     if (menu == mRevealLibrary) {
         cmd.set_zone_name("deck");
     } else if (menu == mRevealTopCard) {
-        cmd.set_zone_name("deck");
-        cmd.set_card_id(0);
+        bool ok;
+        int number = 
+#if QT_VERSION < 0x050000
+            QInputDialog::getInteger(
+#else
+            QInputDialog::getInt(
+#endif
+            0, tr("Reveal top cards of library"), tr("Number of cards:"), defaultNumberTopCards, 1, 2000000000, 1, &ok);
+        if (ok) {
+            cmd.set_zone_name("deck");
+            cmd.set_top_cards(number);
+        }
+        
     } else if (menu == mRevealHand)
         cmd.set_zone_name("hand");
     else if (menu == mRevealRandomHandCard) {
@@ -624,7 +635,7 @@ void Player::retranslateUi()
         aViewLibrary->setText(tr("&View library"));
         aViewTopCards->setText(tr("View &top cards of library..."));
         mRevealLibrary->setTitle(tr("Reveal &library to..."));
-        mRevealTopCard->setTitle(tr("Reveal t&op card to..."));
+        mRevealTopCard->setTitle(tr("Reveal t&op cards to..."));
         aAlwaysRevealTopCard->setText(tr("&Always reveal top card"));
         aOpenDeckInDeckEditor->setText(tr("O&pen deck in deck editor"));
         aViewSideboard->setText(tr("&View sideboard"));

common/pb/command_reveal_cards.proto

@@ -7,4 +7,5 @@ message Command_RevealCards {
 	optional sint32 card_id = 2 [default = -1];
 	optional sint32 player_id = 3 [default = -1];
 	optional bool grant_write_access = 4;
+    optional sint32 top_cards = 5 [default = -1];
 }

common/server_player.cpp

@@ -1522,7 +1522,14 @@ Response::ResponseCode Server_Player::cmdRevealCards(const Command_RevealCards &
         return Response::RespNameNotFound;
     
     QList<Server_Card *> cardsToReveal;
-    if (!cmd.has_card_id())
+    if (cmd.top_cards() != -1) {
+        for (int i = 0; i < cmd.top_cards(); i++) {
+            Server_Card *card = zone->getCard(i);
+            if (!card)
+                return Response::RespNameNotFound;
+            cardsToReveal.append(card);
+        }
+    } else if (!cmd.has_card_id())
         cardsToReveal = zone->getCards();
     else if (cmd.card_id() == -2) {
         if (zone->getCards().isEmpty())