qml: seedkeyboard padding, explicit keycode, backspace next to spacebar

electrum/gui/qml/components/controls/SeedKeyboard.qml

@@ -8,34 +8,29 @@ Item {
 
     signal keyEvent(keycode: int, text: string)
 
-    property int padding: 15
+    property int hpadding: 0
+    property int vpadding: 15
 
-    property int keywidth: (root.width - 2 * padding) / 11 - keyhspacing
+    property int keywidth: (root.width - 2 * padding) / 10 - keyhspacing
     property int keyheight: (root.height - 2 * padding) / 4 - keyvspacing
     property int keyhspacing: 4
     property int keyvspacing: 5
 
-    function emitKeyEvent(key) {
-        var keycode
-        if (key == '<=') {
-            keycode = Qt.Key_Backspace
-        } else {
-            keycode = parseInt(key, 36) - 9 + 0x40 // map char to key code
-        }
+    function emitKeyEvent(key, keycode) {
         keyEvent(keycode, key)
     }
 
     ColumnLayout {
         id: rootLayout
-        x: padding
-        y: padding
-        width: parent.width - 2*padding
+        x: hpadding
+        y: vpadding
+        width: parent.width - 2*hpadding
         spacing: keyvspacing
         RowLayout {
             Layout.alignment: Qt.AlignHCenter
             spacing: keyhspacing
             Repeater {
-                model: ['q','w','e','r','t','y','u','i','o','p','<=']
+                model: ['q','w','e','r','t','y','u','i','o','p']
                 delegate: SeedKeyboardKey {
                     key: modelData
                     kbd: root
@@ -78,10 +73,18 @@ Item {
             Layout.alignment: Qt.AlignHCenter
             SeedKeyboardKey {
                 key: ' '
+                keycode: Qt.Key_Space
                 kbd: root
                 implicitWidth: keywidth * 5
                 implicitHeight: keyheight
             }
+            SeedKeyboardKey {
+                key: '<'
+                keycode: Qt.Key_Backspace
+                kbd: root
+                implicitWidth: keywidth
+                implicitHeight: keyheight
+            }
             // spacer
             Item { Layout.preferredHeight: 1; Layout.preferredWidth: keywidth / 2 }
         }

electrum/gui/qml/components/controls/SeedKeyboardKey.qml

@@ -7,9 +7,18 @@ Pane {
     id: root
 
     property string key
+    property int keycode: -1
+
     property QtObject kbd
     padding: 1
 
+    function emitKeyEvent() {
+        if (keycode == -1) {
+            keycode = parseInt(key, 36) - 9 + 0x40 // map a-z char to key code
+        }
+        kbd.keyEvent(keycode, key)
+    }
+
     FlatButton {
         anchors.fill: parent
 
@@ -23,12 +32,12 @@ Pane {
         font.pixelSize: Math.max(root.height * 1/3, constants.fontSizeSmall)
 
         onClicked: {
-            kbd.emitKeyEvent(key)
+            emitKeyEvent()
         }
 
         // send keyevent again, otherwise it is ignored
         onDoubleClicked: {
-            kbd.emitKeyEvent(key)
+            emitKeyEvent()
         }
     }
 }