Merge pull request #10425 from f321x/qml_password_dialog_wrong_password

qml: PasswordDialog: show error on invalid password

electrum/gui/qml/components/PasswordDialog.qml

@@ -14,8 +14,10 @@ ElDialog {
     iconSource: Qt.resolvedUrl('../../icons/lock.png')
 
     property bool confirmPassword: false
-    property string password
     property string infotext
+    property string errorMessage
+
+    signal passwordEntered(string password)
 
     anchors.centerIn: parent
     width: parent.width * 4/5
@@ -84,6 +86,16 @@ ElDialog {
                     password: pw_1.text
                 }
             }
+
+            Label {
+                Layout.maximumWidth: parent.width
+                Layout.alignment: Qt.AlignHCenter
+                text: errorMessage
+                wrapMode: Text.Wrap
+                visible: errorMessage
+                color: constants.colorError
+                font.pixelSize: constants.fontSizeLarge
+            }
         }
 
         FlatButton {
@@ -92,10 +104,13 @@ ElDialog {
             icon.source: '../../icons/confirmed.png'
             enabled: confirmPassword ? pw_1.text.length >= 6 && pw_1.text == pw_2.text : true
             onClicked: {
-                password = pw_1.text
-                passworddialog.doAccept()
+                passwordEntered(pw_1.text)
             }
         }
     }
 
+    function clearPassword() {
+        pw_1.text = ""
+        pw_2.text = ""
+    }
 }

electrum/gui/qml/components/WalletDetails.qml

@@ -473,12 +473,13 @@ Pane {
                 title: qsTr('Enter new password'),
                 infotext: qsTr('If you forget your password, you\'ll need to restore from seed. Please make sure you have your seed stored safely')
             })
-            dialog.accepted.connect(function() {
-                var success = Daemon.setPassword(dialog.password)
+            dialog.passwordEntered.connect(function(password) {
+                dialog.close()
+                var success = Daemon.setPassword(password)
                 if (success && Biometrics.isEnabled) {
                     if (Biometrics.isAvailable) {
                         // also update the biometric authentication
-                        Biometrics.enable(dialog.password)
+                        Biometrics.enable(password)
                     } else {
                         // disable biometric authentication as it is not available
                         Biometrics.disable()
@@ -538,23 +539,25 @@ Pane {
                         ? "\n\n" + qsTr('The new password needs to match the password of any other existing wallet.')
                         : "")
             })
-            dialog.accepted.connect(function() {
+            dialog.passwordEntered.connect(function(password) {
                 if (Config.walletShouldUseSinglePassword  // android
                         && Daemon.availableWallets.rowCount() > 1  // has more than one wallet
-                        && Daemon.numWalletsWithPassword(dialog.password) < 1  // no other wallet uses this new password
+                        && Daemon.numWalletsWithPassword(password) < 1  // no other wallet uses this new password
                 ) {
-                    var success = false
-                    var error_msg = [
+                    dialog.errorMessage = [
                         qsTr('You need to use the password of any other existing wallet.'),
                         qsTr('Using different wallet passwords is not supported.'),
                     ].join("\n")
+                    dialog.clearPassword()
+                    return
                 } else {
-                    var success = Daemon.currentWallet.setPassword(dialog.password)
+                    var success = Daemon.currentWallet.setPassword(password)
                     if (success && Config.walletShouldUseSinglePassword) {
-                        Daemon.singlePassword = dialog.password
+                        Daemon.singlePassword = password
                     }
                     var error_msg = qsTr('Password change failed')
                 }
+                dialog.close()
                 if (success && Biometrics.isEnabled) {
                     // unlikely to happen as this means the user somehow moved from
                     // a unified password to differing passwords

electrum/gui/qml/components/main.qml

@@ -852,11 +852,13 @@ ApplicationWindow
         // 'payment_auth' should have been converted to 'wallet' at this point
         if (method === 'wallet' || method === 'wallet_password_only') {
             var dialog = app.passwordDialog.createObject(app, authMessage ? {'title': authMessage} : {})
-            dialog.accepted.connect(function() {
-                if (Daemon.currentWallet.verifyPassword(dialog.password)) {
+            dialog.passwordEntered.connect(function(password) {
+                if (Daemon.currentWallet.verifyPassword(password)) {
+                    dialog.close()
                     qtobject.authProceed()
                 } else {
-                    qtobject.authCancel()
+                    dialog.clearPassword()
+                    dialog.errorMessage = qsTr("Invalid Password")
                 }
             })
             dialog.rejected.connect(function() {