waffles: add lock screen, fix ctrl alt del screen for light mode

dots/.config/quickshell/ii/modules/waffle/sessionScreen/SessionScreenContent.qml

@@ -8,7 +8,6 @@ import QtQuick
 import QtQuick.Controls
 import QtQuick.Layouts
 import Quickshell
-import Quickshell.Io
 
 Item {
     id: root
@@ -94,63 +93,13 @@ Item {
         }
     }
 
-    component PowerButton: WSessionScreenTextButton {
-        id: root
-        implicitWidth: 40
-        implicitHeight: 40
-        focusRingRadius: Looks.radius.large
-        colBackgroundHover: Looks.colors.bg2Hover
-        colBackgroundActive: Looks.colors.bg2Active
-        property color color: {
-            if (root.down) {
-                return root.colBackgroundActive;
-            } else if (root.hovered) {
-                return root.colBackgroundHover;
-            } else {
-                return root.colBackground;
-            }
-        }
-        background: Rectangle {
-            id: background
-            radius: Looks.radius.medium
-            color: root.color
-        }
-        contentItem: Item {
-            FluentIcon {
-                anchors.centerIn: parent
-                implicitSize: 20
-                icon: "power"
-            }
-        }
-
-        onClicked: {
-            powerMenu.visible = !powerMenu.visible;
-        }
-
-        WMenu {
-            id: powerMenu
-            x: -powerMenu.implicitWidth / 2 + root.implicitWidth / 2
-            y: -powerMenu.implicitHeight
-            
-            Action {
-                icon.name: "power"
-                text: Translation.tr("Shut down")
-                onTriggered: Session.poweroff()
-            }
-            Action {
-                icon.name: "arrow-counterclockwise"
-                text: Translation.tr("Restart")
-                onTriggered: Session.reboot()
-            }
-        }
-    }
-
     component CancelButton: WBorderlessButton {
         id: root
         implicitHeight: 32
-        colBackground: Looks.colors.bg1Base
-        colBackgroundHover: Qt.lighter(Looks.colors.bg1Base, 1.2)
-        colBackgroundActive: Qt.lighter(Looks.colors.bg1Base, 1.1)
+        colBackground: Looks.darkColors.bg1Base
+        colBackgroundHover: Qt.lighter(Looks.darkColors.bg1Base, 1.2)
+        colBackgroundActive: Qt.lighter(Looks.darkColors.bg1Base, 1.1)
+        colForeground: Looks.darkColors.fg
 
         property bool keyboardDown: false
 
@@ -172,6 +121,7 @@ Item {
             text: Translation.tr("Cancel")
             horizontalAlignment: Text.AlignHCenter
             font.pixelSize: Looks.font.pixelSize.large
+            color: root.colForeground
         }
 
         Rectangle {