subscription handling for multiple app windows

src/main/java/com/sparrowwallet/sparrow/AppController.java

@@ -168,7 +168,7 @@ public class AppController implements Initializable {
                 boolean walletAdded = c.getAddedSubList().stream().anyMatch(tab -> ((TabData)tab.getUserData()).getType() == TabData.TabType.WALLET);
                 boolean walletRemoved = c.getRemoved().stream().anyMatch(tab -> ((TabData)tab.getUserData()).getType() == TabData.TabType.WALLET);
                 if(walletAdded || walletRemoved) {
-                    EventManager.get().post(new OpenWalletsEvent(getOpenWallets()));
+                    EventManager.get().post(new OpenWalletsEvent(tabs.getScene().getWindow(), getOpenWallets()));
                 }
 
                 List<WalletTabData> closedWalletTabs = c.getRemoved().stream().map(tab -> (TabData)tab.getUserData())
@@ -361,7 +361,7 @@ public class AppController implements Initializable {
                     showErrorDialog("Invalid transaction ID", "A transaction with that ID could not be found.");
                 } else {
                     Platform.runLater(() -> {
-                        EventManager.get().post(new ViewTransactionEvent(blockTransaction));
+                        EventManager.get().post(new ViewTransactionEvent(tabs.getScene().getWindow(), blockTransaction));
                     });
                 }
             });
@@ -1000,7 +1000,7 @@ public class AppController implements Initializable {
 
     @Subscribe
     public void tabSelected(TabSelectedEvent event) {
-        //TODO: Handle multiple windows
+        if(tabs.getTabs().contains(event.getTab())) {
             String tabName = event.getTabName();
             if(tabs.getScene() != null) {
                 Stage tabStage = (Stage)tabs.getScene().getWindow();
@@ -1023,6 +1023,7 @@ public class AppController implements Initializable {
                 showTxHex.setDisable(true);
             }
         }
+    }
 
     @Subscribe
     public void transactionExtractedEvent(TransactionExtractedEvent event) {
@@ -1039,14 +1040,19 @@ public class AppController implements Initializable {
 
     @Subscribe
     public void walletSettingsChanged(WalletSettingsChangedEvent event) {
-        //TODO: Handle multiple windows
+        Tab tab = tabs.getSelectionModel().getSelectedItem();
+        TabData tabData = (TabData)tab.getUserData();
+        if(tabData instanceof WalletTabData) {
+            WalletTabData walletTabData = (WalletTabData)tabData;
+            if(walletTabData.getWalletForm().getWalletFile().equals(event.getWalletFile())) {
                 exportWallet.setDisable(!event.getWallet().isValid());
             }
+        }
+    }
 
     @Subscribe
     public void newWalletTransactions(NewWalletTransactionsEvent event) {
-        //TODO: Handle multiple windows
+        if(Config.get().isNotifyNewTransactions() && getOpenWallets().containsKey(event.getWallet())) {
-        if(Config.get().isNotifyNewTransactions()) {
             String text;
             if(event.getBlockTransactions().size() == 1) {
                 BlockTransaction blockTransaction = event.getBlockTransactions().get(0);
@@ -1184,17 +1190,19 @@ public class AppController implements Initializable {
 
     @Subscribe
     public void viewTransaction(ViewTransactionEvent event) {
-        //TODO: Handle multiple windows
+        if(tabs.getScene().getWindow().equals(event.getWindow())) {
             Tab tab = addTransactionTab(event.getBlockTransaction(), event.getInitialView(), event.getInitialIndex());
             tabs.getSelectionModel().select(tab);
         }
+    }
 
     @Subscribe
     public void viewPSBT(ViewPSBTEvent event) {
-        //TODO: Handle multiple windows
+        if(tabs.getScene().getWindow().equals(event.getWindow())) {
             Tab tab = addTransactionTab(event.getLabel(), event.getPsbt());
             tabs.getSelectionModel().select(tab);
         }
+    }
 
     @Subscribe
     public void bitcoinUnitChanged(BitcoinUnitChangedEvent event) {
@@ -1204,25 +1212,27 @@ public class AppController implements Initializable {
 
     @Subscribe
     public void requestOpenWallets(RequestOpenWalletsEvent event) {
-        //TODO: Handle multiple windows
+        EventManager.get().post(new OpenWalletsEvent(tabs.getScene().getWindow(), getOpenWallets()));
-        EventManager.get().post(new OpenWalletsEvent(getOpenWallets()));
     }
 
     @Subscribe
     public void requestWalletOpen(RequestWalletOpenEvent event) {
-        //TODO: Handle multiple windows
+        if(tabs.getScene().getWindow().equals(event.getWindow())) {
             openWallet(null);
         }
+    }
 
     @Subscribe
     public void requestTransactionOpen(RequestTransactionOpenEvent event) {
-        //TODO: Handle multiple windows
+        if(tabs.getScene().getWindow().equals(event.getWindow())) {
             openTransactionFromFile(null);
         }
+    }
 
     @Subscribe
     public void requestQRScan(RequestQRScanEvent event) {
-        //TODO: Handle multiple windows
+        if(tabs.getScene().getWindow().equals(event.getWindow())) {
             openTransactionFromQR(null);
         }
+    }
 }

src/main/java/com/sparrowwallet/sparrow/AppServices.java

@@ -52,6 +52,8 @@ public class AppServices {
 
     private final MainApp application;
 
+    private final Map<Window, Map<Wallet, Storage>> windows = new LinkedHashMap<>();
+
     private static final BooleanProperty onlineProperty = new SimpleBooleanProperty(false);
 
     private ExchangeSource.RatesService ratesService;
@@ -381,12 +383,14 @@ public class AppServices {
 
     @Subscribe
     public void openWallets(OpenWalletsEvent event) {
-        List<File> walletFiles = event.getWalletsMap().values().stream().map(Storage::getWalletFile).collect(Collectors.toList());
+        windows.put(event.getWindow(), event.getWalletsMap());
-        //TODO: Handle multiple windows
+        List<Map.Entry<Wallet, Storage>> allWallets = windows.values().stream().flatMap(map -> map.entrySet().stream()).collect(Collectors.toList());
+
+        List<File> walletFiles = allWallets.stream().map(entry -> entry.getValue().getWalletFile()).collect(Collectors.toList());
         Config.get().setRecentWalletFiles(walletFiles);
 
         boolean usbWallet = false;
-        for(Map.Entry<Wallet, Storage> entry : event.getWalletsMap().entrySet()) {
+        for(Map.Entry<Wallet, Storage> entry : allWallets) {
             Wallet wallet = entry.getKey();
             Storage storage = entry.getValue();
 

src/main/java/com/sparrowwallet/sparrow/control/EntryCell.java

@@ -68,7 +68,7 @@ class EntryCell extends TreeTableCell<Entry, Entry> {
                 searchGlyph.setFontSize(12);
                 viewTransactionButton.setGraphic(searchGlyph);
                 viewTransactionButton.setOnAction(event -> {
-                    EventManager.get().post(new ViewTransactionEvent(transactionEntry.getBlockTransaction()));
+                    EventManager.get().post(new ViewTransactionEvent(this.getScene().getWindow(), transactionEntry.getBlockTransaction()));
                 });
                 actionBox.getChildren().add(viewTransactionButton);
 
@@ -135,7 +135,7 @@ class EntryCell extends TreeTableCell<Entry, Entry> {
                 searchGlyph.setFontSize(12);
                 viewTransactionButton.setGraphic(searchGlyph);
                 viewTransactionButton.setOnAction(event -> {
-                    EventManager.get().post(new ViewTransactionEvent(hashIndexEntry.getBlockTransaction(), hashIndexEntry));
+                    EventManager.get().post(new ViewTransactionEvent(this.getScene().getWindow(), hashIndexEntry.getBlockTransaction(), hashIndexEntry));
                 });
                 actionBox.getChildren().add(viewTransactionButton);
 

src/main/java/com/sparrowwallet/sparrow/control/MessageSignDialog.java

@@ -304,7 +304,8 @@ public class MessageSignDialog extends Dialog<ButtonBar.ButtonData> {
     public void openWallets(OpenWalletsEvent event) {
         Storage storage = event.getStorage(wallet);
         if(storage == null) {
-            throw new IllegalStateException("Wallet " + wallet + " without Storage");
+            //Another window, ignore
+            return;
         }
 
         WalletPasswordDialog dlg = new WalletPasswordDialog(WalletPasswordDialog.PasswordRequirement.LOAD);

src/main/java/com/sparrowwallet/sparrow/event/OpenWalletsEvent.java

@@ -2,18 +2,25 @@ package com.sparrowwallet.sparrow.event;
 
 import com.sparrowwallet.drongo.wallet.Wallet;
 import com.sparrowwallet.sparrow.io.Storage;
+import javafx.stage.Window;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 
 public class OpenWalletsEvent {
+    private final Window window;
     private final Map<Wallet, Storage> walletsMap;
 
-    public OpenWalletsEvent(Map<Wallet, Storage> walletsMap) {
+    public OpenWalletsEvent(Window window, Map<Wallet, Storage> walletsMap) {
+        this.window = window;
         this.walletsMap = walletsMap;
     }
 
+    public Window getWindow() {
+        return window;
+    }
+
     public List<Wallet> getWallets() {
         return new ArrayList<>(walletsMap.keySet());
     }

src/main/java/com/sparrowwallet/sparrow/event/RequestQRScanEvent.java

@@ -1,5 +1,18 @@
 package com.sparrowwallet.sparrow.event;
 
+import javafx.stage.Window;
+
+/**
+ * Event class used to request the QRScanDialog is opened
+ */
 public class RequestQRScanEvent {
-    //Empty event class used to request the QRScanDialog is opened
+    private final Window window;
+
+    public RequestQRScanEvent(Window window) {
+        this.window = window;
+    }
+
+    public Window getWindow() {
+        return window;
+    }
 }

src/main/java/com/sparrowwallet/sparrow/event/RequestTransactionOpenEvent.java

@@ -1,5 +1,18 @@
 package com.sparrowwallet.sparrow.event;
 
+import javafx.stage.Window;
+
+/**
+ * Event class used to request the transaction open file dialog
+ */
 public class RequestTransactionOpenEvent {
-    //Empty event class used to request the transaction open file dialog
+    private final Window window;
+
+    public RequestTransactionOpenEvent(Window window) {
+        this.window = window;
+    }
+
+    public Window getWindow() {
+        return window;
+    }
 }

src/main/java/com/sparrowwallet/sparrow/event/RequestWalletOpenEvent.java

@@ -1,5 +1,18 @@
 package com.sparrowwallet.sparrow.event;
 
+import javafx.stage.Window;
+
+/**
+ * Event class used to request the wallet open dialog
+ */
 public class RequestWalletOpenEvent {
-    //Empty event class used to request the wallet open dialog
+    private final Window window;
+
+    public RequestWalletOpenEvent(Window window) {
+        this.window = window;
+    }
+
+    public Window getWindow() {
+        return window;
+    }
 }

src/main/java/com/sparrowwallet/sparrow/event/ViewPSBTEvent.java

@@ -2,24 +2,31 @@ package com.sparrowwallet.sparrow.event;
 
 import com.sparrowwallet.drongo.psbt.PSBT;
 import com.sparrowwallet.sparrow.transaction.TransactionView;
+import javafx.stage.Window;
 
 public class ViewPSBTEvent {
+    private final Window window;
     private final String label;
     private final PSBT psbt;
     private final TransactionView initialView;
     private final Integer initialIndex;
 
-    public ViewPSBTEvent(String label, PSBT psbt) {
+    public ViewPSBTEvent(Window window, String label, PSBT psbt) {
-        this(label, psbt, TransactionView.HEADERS, null);
+        this(window, label, psbt, TransactionView.HEADERS, null);
     }
 
-    public ViewPSBTEvent(String label, PSBT psbt, TransactionView initialView, Integer initialIndex) {
+    public ViewPSBTEvent(Window window, String label, PSBT psbt, TransactionView initialView, Integer initialIndex) {
+        this.window = window;
         this.label = label;
         this.psbt = psbt;
         this.initialView = initialView;
         this.initialIndex = initialIndex;
     }
 
+    public Window getWindow() {
+        return window;
+    }
+
     public String getLabel() {
         return label;
     }

src/main/java/com/sparrowwallet/sparrow/event/ViewTransactionEvent.java

@@ -3,26 +3,33 @@ package com.sparrowwallet.sparrow.event;
 import com.sparrowwallet.drongo.wallet.BlockTransaction;
 import com.sparrowwallet.sparrow.transaction.TransactionView;
 import com.sparrowwallet.sparrow.wallet.HashIndexEntry;
+import javafx.stage.Window;
 
 public class ViewTransactionEvent {
+    private final Window window;
     private final BlockTransaction blockTransaction;
     private final TransactionView initialView;
     private final Integer initialIndex;
 
-    public ViewTransactionEvent(BlockTransaction blockTransaction) {
+    public ViewTransactionEvent(Window window, BlockTransaction blockTransaction) {
-        this(blockTransaction, TransactionView.HEADERS, null);
+        this(window, blockTransaction, TransactionView.HEADERS, null);
     }
 
-    public ViewTransactionEvent(BlockTransaction blockTransaction, HashIndexEntry hashIndexEntry) {
+    public ViewTransactionEvent(Window window, BlockTransaction blockTransaction, HashIndexEntry hashIndexEntry) {
-        this(blockTransaction, hashIndexEntry.getType().equals(HashIndexEntry.Type.INPUT) ? TransactionView.INPUT : TransactionView.OUTPUT, (int)hashIndexEntry.getHashIndex().getIndex());
+        this(window, blockTransaction, hashIndexEntry.getType().equals(HashIndexEntry.Type.INPUT) ? TransactionView.INPUT : TransactionView.OUTPUT, (int)hashIndexEntry.getHashIndex().getIndex());
     }
 
-    public ViewTransactionEvent(BlockTransaction blockTransaction, TransactionView initialView, Integer initialIndex) {
+    public ViewTransactionEvent(Window window, BlockTransaction blockTransaction, TransactionView initialView, Integer initialIndex) {
+        this.window = window;
         this.blockTransaction = blockTransaction;
         this.initialView = initialView;
         this.initialIndex = initialIndex;
     }
 
+    public Window getWindow() {
+        return window;
+    }
+
     public BlockTransaction getBlockTransaction() {
         return blockTransaction;
     }

src/main/java/com/sparrowwallet/sparrow/transaction/HeadersController.java

@@ -609,7 +609,7 @@ public class HeadersController extends TransactionFormController implements Init
     }
 
     public void openWallet(ActionEvent event) {
-        EventManager.get().post(new RequestWalletOpenEvent());
+        EventManager.get().post(new RequestWalletOpenEvent(noWalletsWarningLink.getScene().getWindow()));
     }
 
     public void finalizeTransaction(ActionEvent event) {
@@ -635,7 +635,7 @@ public class HeadersController extends TransactionFormController implements Init
         ToggleButton toggleButton = (ToggleButton)event.getSource();
         toggleButton.setSelected(false);
 
-        EventManager.get().post(new RequestQRScanEvent());
+        EventManager.get().post(new RequestQRScanEvent(toggleButton.getScene().getWindow()));
     }
 
     public void savePSBT(ActionEvent event) {
@@ -668,7 +668,7 @@ public class HeadersController extends TransactionFormController implements Init
         ToggleButton toggleButton = (ToggleButton)event.getSource();
         toggleButton.setSelected(false);
 
-        EventManager.get().post(new RequestTransactionOpenEvent());
+        EventManager.get().post(new RequestTransactionOpenEvent(toggleButton.getScene().getWindow()));
     }
 
     public void signPSBT(ActionEvent event) {
@@ -830,7 +830,7 @@ public class HeadersController extends TransactionFormController implements Init
         try {
             Payjoin payjoin = new Payjoin(payjoinURI, headersForm.getSigningWallet(), headersForm.getPsbt());
             PSBT proposalPsbt = payjoin.requestPayjoinPSBT(true);
-            EventManager.get().post(new ViewPSBTEvent(headersForm.getName() + " Payjoin", proposalPsbt));
+            EventManager.get().post(new ViewPSBTEvent(payjoinButton.getScene().getWindow(), headersForm.getName() + " Payjoin", proposalPsbt));
         } catch(PayjoinReceiverException e) {
             AppServices.showErrorDialog("Invalid Payjoin Transaction", e.getMessage());
         }
@@ -884,7 +884,7 @@ public class HeadersController extends TransactionFormController implements Init
 
     @Subscribe
     public void openWallets(OpenWalletsEvent event) {
-        if(headersForm.getPsbt() != null && headersForm.getBlockTransaction() == null) {
+        if((id.getScene() == null || id.getScene().getWindow().equals(event.getWindow())) && headersForm.getPsbt() != null && headersForm.getBlockTransaction() == null) {
             List<Wallet> availableWallets = event.getWallets().stream().filter(wallet -> wallet.canSign(headersForm.getPsbt())).sorted(new WalletSignComparator()).collect(Collectors.toList());
             Map<Wallet, Storage> availableWalletsMap = new LinkedHashMap<>(event.getWalletsMap());
             availableWalletsMap.keySet().retainAll(availableWallets);

src/main/java/com/sparrowwallet/sparrow/transaction/InputController.java

@@ -194,7 +194,7 @@ public class InputController extends TransactionFormController implements Initia
         linkedOutpoint.setText(txInput.getOutpoint().getHash().toString() + ":" + txInput.getOutpoint().getIndex());
         linkedOutpoint.setOnAction(event -> {
             BlockTransaction linkedTransaction = inputTransactions.get(txInput.getOutpoint().getHash());
-            EventManager.get().post(new ViewTransactionEvent(linkedTransaction, TransactionView.OUTPUT, (int)txInput.getOutpoint().getIndex()));
+            EventManager.get().post(new ViewTransactionEvent(linkedOutpoint.getScene().getWindow(), linkedTransaction, TransactionView.OUTPUT, (int)txInput.getOutpoint().getIndex()));
         });
         linkedOutpoint.setContextMenu(new TransactionReferenceContextMenu(linkedOutpoint.getText()));
     }

src/main/java/com/sparrowwallet/sparrow/transaction/OutputController.java

@@ -148,7 +148,7 @@ public class OutputController extends TransactionFormController implements Initi
                         final Integer inputIndex = i;
                         spentBy.setText(outputBlockTransaction.getHash().toString() + ":" + inputIndex);
                         spentBy.setOnAction(event -> {
-                            EventManager.get().post(new ViewTransactionEvent(outputBlockTransaction, TransactionView.INPUT, inputIndex));
+                            EventManager.get().post(new ViewTransactionEvent(spentBy.getScene().getWindow(), outputBlockTransaction, TransactionView.INPUT, inputIndex));
                         });
                         spentBy.setContextMenu(new TransactionReferenceContextMenu(spentBy.getText()));
                     }

src/main/java/com/sparrowwallet/sparrow/wallet/SendController.java

@@ -728,7 +728,7 @@ public class SendController extends WalletFormController implements Initializabl
         addWalletTransactionNodes();
         createdWalletTransactionProperty.set(walletTransactionProperty.get());
         PSBT psbt = walletTransactionProperty.get().createPSBT();
-        EventManager.get().post(new ViewPSBTEvent(walletTransactionProperty.get().getPayments().get(0).getLabel(), psbt));
+        EventManager.get().post(new ViewPSBTEvent(createButton.getScene().getWindow(), walletTransactionProperty.get().getPayments().get(0).getLabel(), psbt));
     }
 
     private void addWalletTransactionNodes() {

src/main/resources/com/sparrowwallet/sparrow/darktheme.css

@@ -102,6 +102,10 @@
     -fx-text-fill: #e06c75;
 }
 
+.root #noWalletsWarning .glyph-font {
+    -fx-text-fill: #e06c75;
+}
+
 .root .etched-raised-border {
     -fx-border-color: #ffffff, #000000;
     -fx-border-style: solid, solid;