qml: disable menu option associated with current page

electrum/gui/qml/components/About.qml

@@ -4,6 +4,8 @@ import QtQuick.Controls 2.0
 import QtQuick.Controls.Material 2.0
 
 Pane {
+    objectName: 'About'
+
     property string title: qsTr("About Electrum")
 
     Flickable {

electrum/gui/qml/components/Addresses.qml

@@ -9,6 +9,8 @@ import "controls"
 
 Pane {
     id: rootItem
+    objectName: 'Addresses'
+
     padding: 0
 
     ColumnLayout {

electrum/gui/qml/components/Channels.qml

@@ -9,6 +9,8 @@ import "controls"
 
 Pane {
     id: root
+    objectName: 'Channels'
+
     padding: 0
 
     ColumnLayout {

electrum/gui/qml/components/Preferences.qml

@@ -9,6 +9,7 @@ import "controls"
 
 Pane {
     id: preferences
+    objectName: 'Properties'
 
     property string title: qsTr("Preferences")
 

electrum/gui/qml/components/WalletMainView.qml

@@ -78,41 +78,42 @@ Item {
         id: menu
 
         MenuItem {
-            icon.color: 'transparent'
+            icon.color: action.enabled ? 'transparent' : Material.iconDisabledColor
+            icon.source: '../../icons/wallet.png'
             action: Action {
                 text: qsTr('Wallet details')
-                enabled: Daemon.currentWallet
+                enabled: Daemon.currentWallet && app.stack.currentItem.objectName != 'WalletDetails'
                 onTriggered: menu.openPage(Qt.resolvedUrl('WalletDetails.qml'))
-                icon.source: '../../icons/wallet.png'
             }
         }
         MenuItem {
-            icon.color: 'transparent'
+            icon.color: action.enabled ? 'transparent' : Material.iconDisabledColor
+            icon.source: '../../icons/tab_addresses.png'
             action: Action {
                 text: qsTr('Addresses');
                 onTriggered: menu.openPage(Qt.resolvedUrl('Addresses.qml'));
-                enabled: Daemon.currentWallet
-                icon.source: '../../icons/tab_addresses.png'
+                enabled: Daemon.currentWallet && app.stack.currentItem.objectName != 'Addresses'
             }
         }
         MenuItem {
-           icon.color: 'transparent'
+            icon.color: action.enabled ? 'transparent' : Material.iconDisabledColor
+            icon.source: '../../icons/lightning.png'
             action: Action {
                 text: qsTr('Channels');
-                enabled: Daemon.currentWallet && Daemon.currentWallet.isLightning
+                enabled: Daemon.currentWallet && Daemon.currentWallet.isLightning && app.stack.currentItem.objectName != 'Channels'
                 onTriggered: menu.openPage(Qt.resolvedUrl('Channels.qml'))
-                icon.source: '../../icons/lightning.png'
             }
         }
 
         MenuSeparator { }
 
         MenuItem {
-           icon.color: 'transparent'
+            icon.color: action.enabled ? 'transparent' : Material.iconDisabledColor
+            icon.source: '../../icons/file.png'
             action: Action {
-                text: qsTr('Other wallets');
+                text: qsTr('Other wallets')
+                enabled: app.stack.currentItem.objectName != 'Wallets'
                 onTriggered: menu.openPage(Qt.resolvedUrl('Wallets.qml'))
-                icon.source: '../../icons/file.png'
             }
         }
 

electrum/gui/qml/components/main.qml

@@ -49,29 +49,32 @@ ApplicationWindow
         id: menu
 
         MenuItem {
-            icon.color: 'transparent'
+            icon.color: action.enabled ? 'transparent' : Material.iconDisabledColor
+            icon.source: '../../icons/network.png'
             action: Action {
                 text: qsTr('Network')
                 onTriggered: menu.openPage(Qt.resolvedUrl('NetworkOverview.qml'))
-                icon.source: '../../icons/network.png'
+                enabled: stack.currentItem.objectName != 'NetworkOverview'
             }
         }
 
         MenuItem {
-            icon.color: 'transparent'
+            icon.color: action.enabled ? 'transparent' : Material.iconDisabledColor
+            icon.source: '../../icons/preferences.png'
             action: Action {
-                text: qsTr('Preferences');
+                text: qsTr('Preferences')
                 onTriggered: menu.openPage(Qt.resolvedUrl('Preferences.qml'))
-                icon.source: '../../icons/preferences.png'
+                enabled: stack.currentItem.objectName != 'Properties'
             }
         }
 
         MenuItem {
-            icon.color: 'transparent'
+            icon.color: action.enabled ? 'transparent' : Material.iconDisabledColor
+            icon.source: '../../icons/electrum.png'
             action: Action {
                 text: qsTr('About');
                 onTriggered: menu.openPage(Qt.resolvedUrl('About.qml'))
-                icon.source: '../../icons/electrum.png'
+                enabled: stack.currentItem.objectName != 'About'
             }
         }