Ensure i18n is used with double quotes and add CI check

Apparently i18n doesn't support string literals with single quotes as
parameters. Fix occurrences of this and add a CI check to ensure this
won't happen in the future.

.gitlab-ci.yml

@@ -10,6 +10,7 @@ include:
       - /gitlab-templates/alpine-qt6.yml
       - /gitlab-templates/xml-lint.yml
       - /gitlab-templates/yaml-lint.yml
+      - /gitlab-templates/qml-lint.yml
 
 posix-script-compliance:
   image:

containments/homescreens/folio/qml/HomeScreenPage.qml

@@ -374,7 +374,7 @@ Item {
 
                     PC3.ToolTip {
                         visible: widgetDelegate.editMode && pressed
-                        text: i18n('Release to configure, drag to move')
+                        text: i18n("Release to configure, drag to move")
                     }
 
                     WidgetDelegateConfig {

containments/homescreens/folio/qml/delegate/WidgetDelegate.qml

@@ -116,7 +116,7 @@ Folio.WidgetContainer {
             visible: root.widget && !root.widget.visualApplet
             color: 'white'
             wrapMode: Text.Wrap
-            text: i18n('This widget was not found.')
+            text: i18n("This widget was not found.")
             horizontalAlignment: Text.AlignHCenter
 
             anchors.left: parent.left
@@ -134,7 +134,7 @@ Folio.WidgetContainer {
         PC3.Button {
             id: configurationRequiredButton
             anchors.centerIn: parent
-            text: i18n('Configure…')
+            text: i18n("Configure…")
             icon.name: 'configure'
             visible: root.widget && root.widget.applet && root.widget.applet.configurationRequired
             onClicked: root.widget.applet.internalAction('configure').trigger();

containments/homescreens/folio/qml/delegate/WidgetDelegateConfig.qml

@@ -192,7 +192,7 @@ Item {
             PC3.Button {
                 id: button
                 icon.name: 'settings-configure'
-                text: i18n('Options')
+                text: i18n("Options")
                 display: (resizeFrame.handleContainer.width > Kirigami.Units.gridUnit * 7) ? PC3.Button.TextBesideIcon : PC3.Button.IconOnly
 
                 readonly property var handleContainer: resizeFrame.handleContainer
@@ -206,7 +206,7 @@ Item {
                 id: contextMenuDialog
                 preferredWidth: Kirigami.Units.gridUnit * 20
                 padding: 0
-                title: i18n('Widget Options')
+                title: i18n("Widget Options")
 
                 // workaround: remove background so that it doesn't remain if the widget is deleted (and this is de-initialized without closing)
                 QQC2.Overlay.modal: null
@@ -246,14 +246,14 @@ Item {
     Kirigami.Action {
         id: removeDelegateAction
         icon.name: 'edit-delete-remove'
-        text: i18n('Remove widget')
+        text: i18n("Remove widget")
         onTriggered: root.removeRequested()
     }
 
     Kirigami.Action {
         id: configureAppletAction
         icon.name: 'settings-configure'
-        text: i18n('Configure widget')
+        text: i18n("Configure widget")
         onTriggered: root.widget.applet.internalAction('configure').trigger();
     }
 }

containments/homescreens/folio/qml/private/ConfirmDeleteFolderDialogLoader.qml

@@ -31,8 +31,8 @@ Loader {
 
     sourceComponent: Kirigami.PromptDialog {
         id: menu
-        title: i18n('Confirm Folder Deletion')
+        title: i18n("Confirm Folder Deletion")
-        subtitle: i18n('Are you sure you want to delete this folder?')
+        subtitle: i18n("Are you sure you want to delete this folder?")
         standardButtons: Kirigami.Dialog.Yes | Kirigami.Dialog.Cancel
 
         onAccepted: root.accepted()

containments/homescreens/folio/qml/settings/SettingsComponent.qml

@@ -79,7 +79,7 @@ Item {
 
                     QQC2.Label {
                         Layout.alignment: Qt.AlignHCenter | Qt.AlignTop
-                        text: i18n('Wallpapers')
+                        text: i18n("Wallpapers")
                         font.bold: true
                     }
                 }
@@ -107,7 +107,7 @@ Item {
 
                     QQC2.Label {
                         Layout.alignment: Qt.AlignHCenter | Qt.AlignTop
-                        text: i18n('Settings')
+                        text: i18n("Settings")
                         font.bold: true
                     }
                 }
@@ -136,7 +136,7 @@ Item {
 
                     QQC2.Label {
                         Layout.alignment: Qt.AlignHCenter | Qt.AlignTop
-                        text: i18n('Widgets')
+                        text: i18n("Widgets")
                         font.bold: true
                     }
                 }

containments/homescreens/folio/qml/settings/SettingsWindow.qml

@@ -102,7 +102,7 @@ Window {
                             anchors.centerIn: parent
                             implicitHeight: folio.HomeScreenState.pageCellHeight
                             implicitWidth: folio.HomeScreenState.pageCellWidth
-                            name: i18n('Application')
+                            name: i18n("Application")
 
                             contentItem: DelegateAppIcon {
                                 height: root.folio.FolioSettings.delegateIconSize
@@ -254,7 +254,7 @@ Window {
 
                 FormCard.FormCard {
                     FormCard.FormSwitchDelegate {
-                        text: i18n('Show background')
+                        text: i18n("Show background")
                         checked: folio.FolioSettings.showFavouritesBarBackground
                         onCheckedChanged: {
                             if (checked !== folio.FolioSettings.showFavouritesBarBackground) {
@@ -307,7 +307,7 @@ Window {
 
                     FormCard.FormButtonDelegate {
                         id: exportSettings
-                        text: i18n('Export layout')
+                        text: i18n("Export layout")
                         icon.name: 'document-export'
                         onClicked: exportFileDialog.open()
                     }
@@ -316,7 +316,7 @@ Window {
 
                     FormCard.FormButtonDelegate {
                         id: importSettings
-                        text: i18n('Import layout')
+                        text: i18n("Import layout")
                         icon.name: 'document-import'
                         onClicked: importFileDialog.open()
                     }

containments/homescreens/halcyon/qml/settings/SettingsScreen.qml

@@ -68,7 +68,7 @@ Item {
 
                     QQC2.Label {
                         Layout.alignment: Qt.AlignHCenter | Qt.AlignTop
-                        text: i18n('Wallpapers')
+                        text: i18n("Wallpapers")
                         font.bold: true
                     }
                 }
@@ -96,7 +96,7 @@ Item {
 
                     QQC2.Label {
                         Layout.alignment: Qt.AlignHCenter | Qt.AlignTop
-                        text: i18n('Settings')
+                        text: i18n("Settings")
                         font.bold: true
                     }
                 }

initialstart/modules/wifi/package/contents/ui/ConnectionItemDelegate.qml

@@ -75,21 +75,21 @@ FormCard.AbstractFormDelegate {
             }
             Controls.ToolButton {
                 icon.name: "network-connect"
-                text: i18n('Connect')
+                text: i18n("Connect")
                 visible: ConnectionState != PlasmaNM.Enums.Activated && root.editMode
                 display: Controls.ToolButton.IconOnly
                 onClicked: changeState()
             }
             Controls.ToolButton {
                 icon.name: "network-disconnect"
-                text: i18n('Disconnect')
+                text: i18n("Disconnect")
                 visible: ConnectionState == PlasmaNM.Enums.Activated && root.editMode
                 display: Controls.ToolButton.IconOnly
                 onClicked: handler.deactivateConnection(ConnectionPath, DevicePath)
             }
             Controls.ToolButton {
                 icon.name: "configure"
-                text: i18n('Configure')
+                text: i18n("Configure")
                 visible: (Uuid != "") && root.editMode
                 display: Controls.ToolButton.IconOnly
                 onClicked: {
@@ -98,7 +98,7 @@ FormCard.AbstractFormDelegate {
             }
             Controls.ToolButton {
                 icon.name: "entry-delete"
-                text: i18n('Delete')
+                text: i18n("Delete")
                 visible: (Uuid != "") && root.editMode
                 display: Controls.ToolButton.IconOnly
                 onClicked: handler.removeConnection(ConnectionPath)

kcms/waydroidintegration/ui/WaydroidConfigurationForm.qml

@@ -25,7 +25,7 @@ ColumnLayout {
             description: AIP.WaydroidState.ipAddress
             trailing: PC3.Button {
                 visible: AIP.WaydroidState.ipAddress !== ""
-                text: i18n('Copy')
+                text: i18n("Copy")
                 icon.name: 'edit-copy-symbolic'
                 onClicked: AIP.WaydroidState.copyToClipboard(AIP.WaydroidState.ipAddress)
             }

kwin/mobiletaskswitcher/package/contents/ui/main.qml

@@ -20,7 +20,7 @@ SceneEffect {
 
     ShortcutHandler {
         name: 'Mobile Task Switcher'
-        text: i18n('Toggle Mobile Task Switcher')
+        text: i18n("Toggle Mobile Task Switcher")
         sequence: 'Meta+C'
 
         onActivated: taskSwitcherState.toggle()