add qt font picker, install adwaita-qt to make it not look ugly + have a nice qt theme

modules/bar/Title.qml

@@ -3,6 +3,7 @@ import Quickshell.Wayland
 import qs
 import qs.settings
 import qs.reusables
+import QtQuick.Dialogs
 
 Rectangle {
     id: container
@@ -23,5 +24,24 @@ Rectangle {
             text: root.activeWindow ? root.activeWindow.activated ? root.activeWindow.appId : "Desktop" : "Desktop"
             elide: Text.ElideRight
         }
+        MouseArea {
+            id: fontOpener
+            FontDialog {
+                id: fontPicker
+                title: "qs-fontpicker"
+                flags: FontDialog.NoButtons
+                onAccepted: {
+                    Settings.config.font = selectedFont.family;
+                    Settings.config.fontSize = selectedFont.pointSize;
+                }
+            }
+            anchors.fill: parent
+            acceptedButtons: Qt.LeftButton
+            cursorShape: Qt.PointingHandCursor
+            onClicked: {
+                fontPicker.open();
+                console.log(fontPicker.selectedFont.family);
+            }
+        }
     }
 }

modules/ipc/Ipc.qml

@@ -1,8 +1,14 @@
 import QtQuick
 import Quickshell.Io
 import qs.settings
+import QtQuick.Dialogs
 
 Item {
+    FontDialog {
+        id: fontPicker
+        flags: FontDialog.NoButtons
+    }
+
     IpcHandler {
         id: ipcHandler
         target: "settings"

modules/widgets/wallswitcher/WallSwitcher.qml

@@ -1,4 +1,5 @@
 pragma ComponentBehavior: Bound
+import QtQuick.Dialogs
 import Quickshell
 import qs.settings
 import Quickshell.Widgets
@@ -85,6 +86,9 @@ FloatingWindow {
                     folder: Settings.config.wallDir
                     nameFilters: ["*.png", "*.jpg"]
                 }
+                FontDialog {
+                    id: fontPicker
+                }
 
                 Component {
                     id: fileDelegate

settings/Settings.qml

@@ -25,7 +25,7 @@ Singleton {
             property var margins: 10
             property var currentWall: ""
             property var barHeight: 28
-            property var font: "Google Sans"
+            property var font: ""
             property var fontSize: 14
             property var rounding: 10
             property var wallDir: "file:///home/lucy/.walls/"

shell.qml

@@ -6,6 +6,7 @@ import qs.modules.bar
 import qs.modules.overlays
 import qs.modules.notifications
 import qs.modules.widgets.wallswitcher
+import QtQuick.Dialogs
 
 ShellRoot {
     id: root