From b3661777827a0e28ebbea70fb8b2ee15dac8be89 Mon Sep 17 00:00:00 2001
From: Thauan Amorim <62410807+ThauanAmorim@users.noreply.github.com>
Date: Thu, 13 Feb 2025 04:05:11 -0300
Subject: [PATCH] add show transaction as qr button to signed transaction tab
 when offline

* [feature/1630] Add QR code button on signed transaction screen

* [feature/1630] Button positioning improvements

* [feature/1630] Added owner to qrDisplayDialog
---
 .../transaction/HeadersController.java        | 21 +++++++++++++++++++
 .../sparrow/transaction/headers.fxml          |  5 +++++
 2 files changed, 26 insertions(+)

diff --git a/src/main/java/com/sparrowwallet/sparrow/transaction/HeadersController.java b/src/main/java/com/sparrowwallet/sparrow/transaction/HeadersController.java
index 2a7f2912..84bcee49 100644
--- a/src/main/java/com/sparrowwallet/sparrow/transaction/HeadersController.java
+++ b/src/main/java/com/sparrowwallet/sparrow/transaction/HeadersController.java
@@ -9,6 +9,7 @@ import com.sparrowwallet.drongo.psbt.PSBT;
 import com.sparrowwallet.drongo.psbt.PSBTInput;
 import com.sparrowwallet.drongo.uri.BitcoinURI;
 import com.sparrowwallet.drongo.wallet.*;
+import com.sparrowwallet.hummingbird.UR;
 import com.sparrowwallet.hummingbird.registry.CryptoPSBT;
 import com.sparrowwallet.sparrow.AppServices;
 import com.sparrowwallet.sparrow.EventManager;
@@ -227,6 +228,9 @@ public class HeadersController extends TransactionFormController implements Init
     @FXML
     private Button broadcastButton;
 
+    @FXML
+    private Button showTransactionButton;
+
     @FXML
     private Button saveFinalButton;
 
@@ -461,6 +465,8 @@ public class HeadersController extends TransactionFormController implements Init
         broadcastProgressBar.visibleProperty().bind(signaturesProgressBar.visibleProperty().not());
 
         broadcastButton.managedProperty().bind(broadcastButton.visibleProperty());
+        showTransactionButton.managedProperty().bind(showTransactionButton.visibleProperty());
+        showTransactionButton.visibleProperty().bind(broadcastButton.visibleProperty().not());
         saveFinalButton.managedProperty().bind(saveFinalButton.visibleProperty());
         saveFinalButton.visibleProperty().bind(broadcastButton.visibleProperty().not());
         broadcastButton.visibleProperty().bind(AppServices.onlineProperty());
@@ -1255,6 +1261,21 @@ public class HeadersController extends TransactionFormController implements Init
         broadcastTransactionService.start();
     }
 
+    public void showTransaction(ActionEvent event) {
+        try {
+            Transaction transaction = headersForm.getPsbt().extractTransaction();
+            byte[] txBytes = transaction.bitcoinSerialize();
+            UR ur = UR.fromBytes(txBytes);
+            BBQR bbqr = new BBQR(BBQRType.TXN, txBytes);
+            QRDisplayDialog qrDisplayDialog = new QRDisplayDialog(ur, bbqr, false, false, false);
+            qrDisplayDialog.initOwner(showTransactionButton.getScene().getWindow());
+            qrDisplayDialog.showAndWait();
+        } catch (Exception exception) {
+            log.error("Error creating UR", exception);
+            AppServices.showErrorDialog("Error displaying transaction QR code", exception.getMessage());
+        }
+    }
+
     public void saveFinalTransaction(ActionEvent event) {
         Stage window = new Stage();
 
diff --git a/src/main/resources/com/sparrowwallet/sparrow/transaction/headers.fxml b/src/main/resources/com/sparrowwallet/sparrow/transaction/headers.fxml
index b6b92ac6..b1cfdcbd 100644
--- a/src/main/resources/com/sparrowwallet/sparrow/transaction/headers.fxml
+++ b/src/main/resources/com/sparrowwallet/sparrow/transaction/headers.fxml
@@ -285,6 +285,11 @@
                             <Glyph fontFamily="Font Awesome 5 Free Solid" fontSize="20" icon="SATELLITE_DISH" />
                         </graphic>
                     </Button>
+                    <Button fx:id="showTransactionButton" HBox.hgrow="ALWAYS" text="Show Transaction as QR" contentDisplay="TOP" wrapText="true" textAlignment="CENTER" onAction="#showTransaction">
+                        <graphic>
+                            <Glyph fontFamily="Font Awesome 5 Free Solid" fontSize="20" icon="QRCODE" />
+                        </graphic>
+                    </Button>
                     <Button fx:id="saveFinalButton" defaultButton="true" HBox.hgrow="ALWAYS" text="Save Final Transaction" contentDisplay="TOP" wrapText="true" textAlignment="CENTER" onAction="#saveFinalTransaction">
                         <graphic>
                             <Glyph fontFamily="Font Awesome 5 Free Solid" fontSize="20" icon="ARROW_DOWN" />