Fix Python rocket icon showing in dock on macOS after Set As Wallpaper

README.md

@@ -224,8 +224,6 @@ GNOME Terminal works best, with crisp triangles used for icons in dialogs, emoji
 
 ### macOS
 
-For **Set As Wallpaper**, it works better if you install tkinter, with `brew install python-tk`, so it can use your monitor's resolution. (This dependency could be removed in the future.)
-
 Tested on OSX 10.14 (Mojave), with iTerm2, and VS Code's integrated terminal.
 
 iTerm2 mostly works, but two tool icons are missing (Free-Form Select and Fill With Color).

cspell.json

@@ -51,6 +51,7 @@
 		"getpid",
 		"getpixel",
 		"goland",
+		"gsettings",
 		"gvim",
 		"hackily",
 		"Haha",
@@ -75,6 +76,7 @@
 		"Nemo",
 		"Noto",
 		"Odhner",
+		"osascript",
 		"pagedown",
 		"pageup",
 		"palettized",
@@ -88,6 +90,7 @@
 		"pycache",
 		"pyfiglet",
 		"Pylance",
+		"pyobjc",
 		"pyperclip",
 		"pypixelart",
 		"pyright",

requirements.txt

@@ -1,4 +1,5 @@
-appscript==1.2.2; sys_platform == 'darwin'
+appscript==1.2.2; sys_platform == 'darwin' # for setting the wallpaper on macOS; optional, falls back to osascript CLI
+pyobjc-framework-Quartz==9.2; sys_platform == 'darwin' # for getting the screen resolution on macOS; optional, falls back to 1920x1080
 Pillow==9.5.0
 # psutil==5.9.0 # for cleaning up open files when auto-restarting on changes in development; optional
 pyfiglet==0.8.post1

src/textual_paint/paint.py

@@ -11,6 +11,7 @@ import argparse
 import asyncio
 from enum import Enum
 from random import randint, random
+import sys
 from typing import Any, Coroutine, NamedTuple, Optional, Callable, Iterator
 from uuid import uuid4
 
@@ -3604,6 +3605,19 @@ Columns: {len(palette) // 2}
         """Get the screen size."""
         # TODO: test DPI scaling
         try:
+            # special macOS handling to avoid a Python rocket icon bouncing in the dock
+            # (with screeninfo module it bounced; with tkinter it didn't, but still it stayed there indefinitely)
+            if sys.platform == "darwin":
+                # from AppKit import NSScreen
+                # screen = NSScreen.mainScreen() # Shows rocket icon in dock...
+                # size = screen.frame().size.width, screen.frame().size.height
+                # return size
+
+                from Quartz import CGDisplayBounds
+                from Quartz import CGMainDisplayID
+                main_monitor = CGDisplayBounds(CGMainDisplayID())
+                return (int(main_monitor.size.width), int(main_monitor.size.height))
+
             # from screeninfo import get_monitors
             # largest_area = 0
             # largest_monitor = None