show file open/save dialogs on the same screen as the currently focussed window

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

@@ -384,6 +384,7 @@ public class AppController implements Initializable {
                 new FileChooser.ExtensionFilter("TXN", "*.txn")
         );
 
+        AppServices.moveToActiveWindowScreen(window, 800, 450);
         File file = fileChooser.showOpenDialog(window);
         if (file != null) {
             openTransactionFile(file);
@@ -523,6 +524,7 @@ public class AppController implements Initializable {
                fileChooser.setInitialFileName(fileName);
             }
 
+            AppServices.moveToActiveWindowScreen(window, 800, 450);
             File file = fileChooser.showSaveDialog(window);
             if(file != null) {
                 try(PrintWriter writer = new PrintWriter(file, StandardCharsets.UTF_8)) {
@@ -574,6 +576,7 @@ public class AppController implements Initializable {
                 fileChooser.setInitialFileName(fileName);
             }
 
+            AppServices.moveToActiveWindowScreen(window, 800, 450);
             File file = fileChooser.showSaveDialog(window);
             if(file != null) {
                 if(!asText && !file.getName().toLowerCase().endsWith(".psbt")) {
@@ -715,6 +718,7 @@ public class AppController implements Initializable {
         fileChooser.setTitle("Open Wallet");
         fileChooser.setInitialDirectory(Storage.getWalletsDir());
 
+        AppServices.moveToActiveWindowScreen(window, 800, 450);
         File file = fileChooser.showOpenDialog(window);
         if(file != null) {
             openWalletFile(file, forceSameWindow);

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

@@ -524,13 +524,24 @@ public class AppServices {
         }
     }
 
+    public static Window getActiveWindow() {
+        return Stage.getWindows().stream().filter(Window::isFocused).findFirst().orElse(get().walletWindows.keySet().iterator().hasNext() ? get().walletWindows.keySet().iterator().next() : null);
+    }
+
     public static void moveToActiveWindowScreen(Dialog<?> dialog) {
-        Window activeWindow = Stage.getWindows().stream().filter(Window::isFocused).findFirst().orElse(get().walletWindows.keySet().iterator().hasNext() ? get().walletWindows.keySet().iterator().next() : null);
+        Window activeWindow = getActiveWindow();
         if(activeWindow != null) {
             moveToWindowScreen(activeWindow, dialog);
         }
     }
 
+    public static void moveToActiveWindowScreen(Window newWindow, double newWindowWidth, double newWindowHeight) {
+        Window activeWindow = getActiveWindow();
+        if(activeWindow != null) {
+            moveToWindowScreen(activeWindow, newWindow, newWindowWidth, newWindowHeight);
+        }
+    }
+
     public void moveToWalletWindowScreen(Storage storage, Dialog<?> dialog) {
         moveToWindowScreen(getWindowForWallet(storage), dialog);
     }
@@ -538,12 +549,16 @@ public class AppServices {
     public static void moveToWindowScreen(Window currentWindow, Dialog<?> dialog) {
         Window newWindow = dialog.getDialogPane().getScene().getWindow();
         DialogPane dialogPane = dialog.getDialogPane();
-        Screen currentScreen = Screen.getScreens().stream().filter(screen -> screen.getVisualBounds().contains(currentWindow.getX(), currentWindow.getY())).findFirst().orElse(null);
-        if(currentScreen != null && !Screen.getPrimary().getVisualBounds().contains(currentWindow.getX(), currentWindow.getY()) && !currentScreen.getVisualBounds().contains(newWindow.getX(), newWindow.getY())) {
         double dialogWidth = dialogPane.getPrefWidth() > 0.0 ? dialogPane.getPrefWidth() : (dialogPane.getWidth() > 0.0 ? dialogPane.getWidth() : 360);
         double dialogHeight = dialogPane.getPrefHeight() > 0.0 ? dialogPane.getPrefHeight() : (dialogPane.getHeight() > 0.0 ? dialogPane.getHeight() : 200);
-            double x = currentWindow.getX() + (currentWindow.getWidth() / 2) - (dialogWidth / 2);
-            double y = currentWindow.getY() + (currentWindow.getHeight() / 2.2) - (dialogHeight / 2);
+        moveToWindowScreen(currentWindow, newWindow, dialogWidth, dialogHeight);
+    }
+
+    public static void moveToWindowScreen(Window currentWindow, Window newWindow, double newWindowWidth, double newWindowHeight) {
+        Screen currentScreen = Screen.getScreens().stream().filter(screen -> screen.getVisualBounds().contains(currentWindow.getX(), currentWindow.getY())).findFirst().orElse(null);
+        if(currentScreen != null && !Screen.getPrimary().getVisualBounds().contains(currentWindow.getX(), currentWindow.getY()) && !currentScreen.getVisualBounds().contains(newWindow.getX(), newWindow.getY())) {
+            double x = currentWindow.getX() + (currentWindow.getWidth() / 2) - (newWindowWidth / 2);
+            double y = currentWindow.getY() + (currentWindow.getHeight() / 2.2) - (newWindowHeight / 2);
             newWindow.setX(x);
             newWindow.setY(y);
         }

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

@@ -5,6 +5,7 @@ import com.sparrowwallet.drongo.crypto.InvalidPasswordException;
 import com.sparrowwallet.drongo.protocol.ScriptType;
 import com.sparrowwallet.drongo.wallet.Keystore;
 import com.sparrowwallet.drongo.wallet.Wallet;
+import com.sparrowwallet.sparrow.AppServices;
 import com.sparrowwallet.sparrow.glyphfont.FontAwesome5;
 import com.sparrowwallet.sparrow.io.FileImport;
 import com.sparrowwallet.sparrow.io.ImportException;
@@ -95,6 +96,7 @@ public abstract class FileImportPane extends TitledDescriptionPane {
                 new FileChooser.ExtensionFilter("TXT", "*.txt")
         );
 
+        AppServices.moveToActiveWindowScreen(window, 800, 450);
         File file = fileChooser.showOpenDialog(window);
         if(file != null) {
             importFile(file, null);

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

@@ -87,6 +87,7 @@ public class FileWalletExportPane extends TitledDescriptionPane {
                 exporter.getWalletModel().toDisplayString().toLowerCase().replace(" ", "") +
                 (extension == null || extension.isEmpty() ? "" : "." + extension));
 
+        AppServices.moveToActiveWindowScreen(window, 800, 450);
         File file = fileChooser.showSaveDialog(window);
         if(file != null) {
             exportWallet(file);

src/main/java/com/sparrowwallet/sparrow/preferences/ServerPreferencesController.java

@@ -277,6 +277,7 @@ public class ServerPreferencesController extends PreferencesDetailController {
                     new FileChooser.ExtensionFilter("CRT", "*.crt")
             );
 
+            AppServices.moveToActiveWindowScreen(window, 800, 450);
             File file = fileChooser.showOpenDialog(window);
             if(file != null) {
                 electrumCertificate.setText(file.getAbsolutePath());

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

@@ -670,6 +670,7 @@ public class HeadersController extends TransactionFormController implements Init
             fileChooser.setInitialFileName(headersForm.getName() + ".psbt");
         }
 
+        AppServices.moveToActiveWindowScreen(window, 800, 450);
         File file = fileChooser.showSaveDialog(window);
         if(file != null) {
             if(!file.getName().toLowerCase().endsWith(".psbt")) {
@@ -880,6 +881,7 @@ public class HeadersController extends TransactionFormController implements Init
             fileChooser.setInitialFileName(headersForm.getName().replace(".psbt", "") + ".txn");
         }
 
+        AppServices.moveToActiveWindowScreen(window, 800, 450);
         File file = fileChooser.showSaveDialog(window);
         if(file != null) {
             try {

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

@@ -117,6 +117,7 @@ public class AddressesController extends WalletFormController implements Initial
         WalletNode purposeNode = copy.getNode(keyPurpose);
         purposeNode.fillToIndex(Math.max(purposeNode.getChildren().size(), DEFAULT_EXPORT_ADDRESSES_LENGTH));
 
+        AppServices.moveToActiveWindowScreen(window, 800, 450);
         File file = fileChooser.showSaveDialog(window);
         if(file != null) {
             try(FileOutputStream outputStream = new FileOutputStream(file)) {

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

@@ -108,6 +108,7 @@ public class TransactionsController extends WalletFormController implements Init
         fileChooser.setTitle("Export Transactions as CSV");
         fileChooser.setInitialFileName(getWalletForm().getWallet().getName() + ".csv");
 
+        AppServices.moveToActiveWindowScreen(window, 800, 450);
         File file = fileChooser.showSaveDialog(window);
         if(file != null) {
             try(FileOutputStream outputStream = new FileOutputStream(file)) {