Update compare_resolution function

The current compare_resolution function uses deprecated functions, and
it appears that any solution using Gdk with Wayland will fail to locate
a primary monitor (https://gitlab.gnome.org/GNOME/gtk/-/issues/1028).
Additionally, this change adds a hint if an error arises

checkbox-core-snap/series16/snap/snapcraft.yaml

@@ -133,6 +133,7 @@ parts:
       - python3-requests-unixsocket
       - python3-serial
       - python3-setuptools
+      - python3-tk
       - python3-yaml
       - pyotherside
       - libbluetooth3

checkbox-core-snap/series18/snap/snapcraft.yaml

@@ -129,6 +129,7 @@ parts:
     source-type: local
     stage-packages:
       - python3-requests-unixsocket
+      - python3-tk
       - libbluetooth3
       - libsystemd0
       - v4l-utils

checkbox-core-snap/series20/snap/snapcraft.yaml

@@ -148,6 +148,7 @@ parts:
       - python3-distutils
       - python3-pkg-resources
       - python3.8-minimal
+      - python3-tk
     build-packages:
       - libbluetooth-dev
       - libsystemd-dev

checkbox-core-snap/series22/snap/snapcraft.yaml

@@ -152,6 +152,7 @@ parts:
       - python3-distutils
       - python3-pkg-resources
       - python3.10-minimal
+      - python3-tk
     build-packages:
       - libbluetooth-dev
       - libsystemd-dev

checkbox-core-snap/series24/snap/snapcraft.yaml

@@ -116,6 +116,7 @@ parts:
       - python3-minimal
       - python3-pkg-resources
       - python3.12-minimal
+      - python3-tk
     build-packages:
       - libbluetooth-dev
       - libsystemd-dev

providers/base/bin/resolution_test.py

@@ -2,6 +2,7 @@
 
 import gi
 import sys
+import tkinter as tk
 
 from argparse import ArgumentParser
 
@@ -19,12 +20,16 @@ def check_resolution():
 
 
 def compare_resolution(min_h, min_v):
-    # Evaluate just the primary display
-    screen = Gdk.Screen.get_default()
-    geom = screen.get_monitor_geometry(screen.get_primary_monitor())
+    try:
+        root = tk.Tk()
+    except tk.TclError as e:
+        print(e)
+        print("Are you sure the device is logged in and has a screen?")
+    width = root.winfo_screenwidth()
+    height = root.winfo_screenheight()
     print("Minimum acceptable display resolution: %d x %d" % (min_h, min_v))
-    print("Detected display resolution: %d x %d" % (geom.width, geom.height))
-    return geom.width >= min_h and geom.height >= min_v
+    print("Detected display resolution: %d x %d" % (width, height))
+    return width >= min_h and height >= min_v
 
 
 def main():

providers/base/units/graphics/packaging.pxu

@@ -6,3 +6,7 @@ Depends: gnome-randr
 unit: packaging meta-data
 os-id: debian
 Depends: gnome-screenshot
+
+unit: packaging meta-data
+os-id: debian
+Depends: python3-tk