qml: followup 22fa84a0, use fixed font, use camelcase for QML properties

electrum/gui/qml/components/ReceiveDialog.qml

@@ -85,7 +85,7 @@ ElDialog {
                             QRImage {
                                 qrdata: _bolt11
                                 render: _render_qr
-                                enable_toggle_text: true
+                                enableToggleText: true
                             }
                         }
                         Component {
@@ -93,7 +93,7 @@ ElDialog {
                             QRImage {
                                 qrdata: _bip21uri
                                 render: _render_qr
-                                enable_toggle_text: true
+                                enableToggleText: true
                             }
                         }
                         Component {
@@ -101,7 +101,7 @@ ElDialog {
                             QRImage {
                                 qrdata: _address
                                 render: _render_qr
-                                enable_toggle_text: true
+                                enableToggleText: true
                             }
                         }
                     }

electrum/gui/qml/components/controls/QRImage.qml

@@ -5,35 +5,35 @@ Item {
     id: root
     property string qrdata
     property bool render: true // init to false, then set true if render needs delay
-    property var qrprops: QRIP.getDimensions(qrdata)
+    property bool enableToggleText: false  // if true, clicking the QR code shows the encoded text
+    property bool isTextState: false    // internal state, if the above is enabled
 
-    property bool enable_toggle_text: false  // if true, clicking the QR code shows the encoded text
-    property bool is_in_text_state: false    // internal state, if the above is enabled
+    property var _qrprops: QRIP.getDimensions(qrdata)
 
     width: r.width
     height: r.height
 
     Rectangle {
         id: r
-        width: qrprops.modules * qrprops.box_size
+        width: _qrprops.modules * _qrprops.box_size
         height: width
         color: 'white'
     }
 
     Image {
         source: qrdata && render ? 'image://qrgen/' + qrdata : ''
-        visible: !is_in_text_state
+        visible: !isTextState
 
         Rectangle {
-            visible: root.render && qrprops.valid
+            visible: root.render && _qrprops.valid
             color: 'white'
             x: (parent.width - width) / 2
             y: (parent.height - height) / 2
-            width: qrprops.icon_modules * qrprops.box_size
-            height: qrprops.icon_modules * qrprops.box_size
+            width: _qrprops.icon_modules * _qrprops.box_size
+            height: _qrprops.icon_modules * _qrprops.box_size
 
             Image {
-                visible: qrprops.valid
+                visible: _qrprops.valid
                 source: '../../../icons/electrum.png'
                 x: 1
                 y: 1
@@ -43,14 +43,14 @@ Item {
             }
         }
         Label {
-            visible: !qrprops.valid
+            visible: !_qrprops.valid
             text: qsTr('Data too big for QR')
             anchors.centerIn: parent
         }
     }
 
     Label {
-        visible: is_in_text_state
+        visible: isTextState
         text: qrdata
         wrapMode: Text.WrapAnywhere
         elide: Text.ElideRight
@@ -58,6 +58,10 @@ Item {
         horizontalAlignment: Qt.AlignHCenter
         verticalAlignment: Qt.AlignVCenter
         color: 'black'
+        font.family: FixedFont
+        font.pixelSize: text.length < 64
+            ? constants.fontSizeXLarge
+            : constants.fontSizeMedium
         width: r.width
         height: r.height
     }
@@ -65,8 +69,8 @@ Item {
     MouseArea {
         anchors.fill: parent
         onClicked: {
-            if (enable_toggle_text) {
-                root.is_in_text_state = !root.is_in_text_state
+            if (enableToggleText) {
+                root.isTextState = !root.isTextState
             }
         }
     }