prevent UI lockup

- closes #3697

forge-gui/res/languages/de-DE.properties

@@ -1409,6 +1409,7 @@ lblActionFromPlayerDeck={0} von {1} Deck
 lblConcedeCurrentGame=Das Spiel wird als verloren gewertet.\n\nTrotzdem aufgeben?
 lblConcedeTitle=Spiel verloren geben?
 lblConcede=Aufgeben
+lblWaitingforActions=Warten auf Aktionen ...
 lblCloseGameSpectator=Das Spiel wird verlassen und du kannst nicht zurückkehren, um es weiter zu beobachten.\n\nTrotzdem verlassen?
 lblCloseGame=Spiel verlassen?
 lblWaitingForOpponent=Warte auf Gegner...

forge-gui/res/languages/en-US.properties

@@ -1414,6 +1414,7 @@ lblActionFromPlayerDeck={0} from {1} Deck
 lblConcedeCurrentGame=This will concede the current game and you will lose.\n\nConcede anyway?
 lblConcedeTitle=Concede Game?
 lblConcede=Concede
+lblWaitingforActions=Waiting for actions...
 lblCloseGameSpectator=This will close this game and you will not be able to resume watching it.\n\nClose anyway?
 lblCloseGame=Close Game?
 lblWaitingForOpponent=Waiting for opponent...

forge-gui/res/languages/es-ES.properties

@@ -1410,6 +1410,7 @@ lblActionFromPlayerDeck={0} del Mazo {1}
 lblConcedeCurrentGame=Concederás la partida actual y perderás.\n\n¿Conceder de todos modos?
 lblConcedeTitle=¿Conceder partida?
 lblConcede=Conceder
+lblWaitingforActions=Esperando acciones ...
 lblCloseGameSpectator=Cerrarás la partida y no podrás volver a verla.\n\n¿Cerrar de todos modos?
 lblCloseGame=¿Cerrar partida?
 lblWaitingForOpponent=Esperando al oponente...

forge-gui/res/languages/fr-FR.properties

@@ -1413,6 +1413,7 @@ lblActionFromPlayerDeck={0} de la plate-forme {1}
 lblConcedeCurrentGame=Ceci concédera la partie en cours et vous perdrez.\n\nConcéder quand même ?
 lblConcedeTitle=Concéder le jeu ?
 lblConcede=Concéder
+lblWaitingforActions=En attente d'actions ...
 lblCloseGameSpectator=Ceci fermera ce jeu et vous ne pourrez plus le regarder.\n\nFermer quand même ?
 lblCloseGame=Fermer le jeu ?
 lblWaitingForOpponent=En attente de l''adversaire...

forge-gui/res/languages/it-IT.properties

@@ -1410,6 +1410,7 @@ lblActionFromPlayerDeck={0} dal mazzo di {1}
 lblConcedeCurrentGame=Questo concederà la partita in corso e perderai. \n \nConcedi comunque?
 lblConcedeTitle=Concedere la partita?
 lblConcede=Concedi
+lblWaitingforActions=Aspettando le azioni ...
 lblCloseGameSpectator=Questo chiuderà questa partita e non potrai riprendere a guardarla. \n \nChiudi comunque?
 lblCloseGame=Chiudi la partita?
 lblWaitingForOpponent=Aspettando l''avversario ...

forge-gui/res/languages/ja-JP.properties

@@ -1411,6 +1411,7 @@ lblActionFromPlayerDeck={1}デッキから{0}
 lblConcedeCurrentGame=これは現在のゲームを投了し、負けます。とにかく投了しますか？
 lblConcedeTitle=ゲームを投了する？
 lblConcede=投了
+lblWaitingforActions=行動を待っています...
 lblCloseGameSpectator=これにより、このゲームが終了し、視聴を再開できなくなります。\n\nそれでもやはり閉じますか？
 lblCloseGame=ゲームを閉じる？
 lblWaitingForOpponent=対戦相手を待っています...

forge-gui/res/languages/pt-BR.properties

@@ -1443,6 +1443,7 @@ lblConcedeCurrentGame=Isto concede o jogo atual e você perderá.\n\
 Conceder mesmo assim?
 lblConcedeTitle=Conceder Jogo?
 lblConcede=Conceder
+lblWaitingforActions=Esperando por ações ...
 lblCloseGameSpectator=Ao fechar o jogo, não será possível retornar.\n\
 \n\
 Fechar mesmo assim?

forge-gui/res/languages/zh-CN.properties

@@ -1414,6 +1414,7 @@ lblActionFromPlayerDeck=从{1}的套牌{0}
 lblConcedeCurrentGame=这局游戏认输。\n\n确认吗？
 lblConcedeTitle=这局游戏认输?
 lblConcede=认输
+lblWaitingforActions=等待动作...
 lblCloseGameSpectator=这将关闭游戏，你将无法继续观看它。\n\n一定要关闭吗？
 lblCloseGame=关闭游戏?
 lblWaitingForOpponent=等待对手中
@@ -2044,7 +2045,7 @@ lblChooseAnyNumberToPhase=选择任意要跃离的数量
 lblChooseUpTo=最多选择
 lblSelectCardToPlay=选择要使用的牌
 #PlaneswalkEffect.java
-lblWouldYouLikeToPlaneswalk=Would you like to planeswalk?<3F><>
+lblWouldYouLikeToPlaneswalk=Would you like to planeswalk?<3F><>
 #ProtectAllEffect.java
 lblChooseAProtection=选择一个保护
 #PumpEffect.java

forge-gui/src/main/java/forge/gamemodes/match/AbstractGuiGame.java

@@ -370,6 +370,10 @@ public abstract class AbstractGuiGame implements IGuiGame, IMayViewCards {
                 }
             }
             if (concedeNeeded) {
+                if (gameView.isMulligan()) { //prevent UI freezing when conceding while the game is waiting for inputs/action
+                    showErrorDialog(Localizer.getInstance().getMessage("lblWaitingforActions"));
+                    return false;
+                }
                 if (showConfirmDialog(Localizer.getInstance().getMessage("lblConcedeCurrentGame"), Localizer.getInstance().getMessage("lblConcedeTitle"), Localizer.getInstance().getMessage("lblConcede"), Localizer.getInstance().getMessage("lblCancel"))) {
                     for (final IGameController c : getOriginalGameControllers()) {
                         // Concede each player on this Gui (except mind-controlled players)

forge-gui/src/main/java/forge/gamemodes/match/input/InputLockUI.java

@@ -10,6 +10,7 @@ import forge.game.spellability.SpellAbility;
 import forge.gui.FThreads;
 import forge.player.PlayerControllerHuman;
 import forge.util.ITriggerEvent;
+import forge.util.Localizer;
 import forge.util.ThreadUtil;
 
 public class InputLockUI implements Input {
@@ -58,7 +59,7 @@ public class InputLockUI implements Input {
         @Override
         public void run() {
             controller.getGui().updateButtons(InputLockUI.this.getOwner(), "", "", false, false, false);
-            showMessage("Waiting for actions...");
+            showMessage(Localizer.getInstance().getMessage("lblWaitingforActions"));
         }
     };