Position popup windows on the screen where the mouse cursor is located

Adds get_mouse_location() function that uses tkinter to get the current
mouse position, then passes this location to PySimpleGUI windows so they
appear on the active screen in multi-monitor setups.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: shymega

src/coreutils.py

@@ -10,6 +10,7 @@
 from typing import (
     Callable,
     Optional,
+    Tuple,
     Union,
     List,
     Any,
@@ -22,6 +23,32 @@
     read_file,
 )
 
+
+def get_mouse_location(
+    window_width: int = 400, window_height: int = 200
+) -> Optional[Tuple[int, int]]:
+    """Get a location to center a window on the mouse position.
+
+    Args:
+        window_width: Estimated window width for centering calculation.
+        window_height: Estimated window height for centering calculation.
+
+    Returns:
+        Tuple of (x, y) coordinates that will center a window of the given
+        dimensions on the current mouse position, or None if unavailable.
+    """
+    try:
+        import tkinter as tk
+
+        root = tk.Tk()
+        root.withdraw()
+        x = root.winfo_pointerx()
+        y = root.winfo_pointery()
+        root.destroy()
+        return (x - window_width // 2, y - window_height // 2)
+    except Exception:
+        return None
+
 if getattr(sys, "frozen", False):
     SCRIPT_IMP_FILE = os.path.realpath(sys.executable)
 else:
@@ -178,19 +205,22 @@ def show_message(
         close = True
         if timeout == None:
             close = False
+        location = get_mouse_location()
         if yesno:
             response = sg.popup_yes_no(
                 message,
                 title=title,
                 auto_close=close,
                 auto_close_duration=timeout,
+                location=location,
             )
         else:
             response = sg.popup_ok(
                 message,
                 title=title,
                 auto_close=close,
                 auto_close_duration=timeout,
+                location=location,
             )
         return response
 
@@ -467,6 +497,7 @@ def popup_options(
         finalize=True,
         auto_close=close,
         auto_close_duration=timeout,
+        location=get_mouse_location(),
     )
 
     # Event loop to process button clicks
@@ -508,6 +539,7 @@ def get_user_input(
         finalize=True,
         auto_close=close,
         auto_close_duration=timeout,
+        location=get_mouse_location(),
     )
 
     # Event loop to process button clicks and input

src/mainutils.py

@@ -26,6 +26,7 @@
     cache,
     log,
     http_get,
+    get_mouse_location,
 )
 
 if getattr(sys, "frozen", False):
@@ -171,7 +172,9 @@ def popup_execute(
     text_str = [""]
     text = sg.Multiline("", disabled=True, autoscroll=True, size=(80, 30))
     layout = [[text]]
-    window = sg.Window(title, layout, finalize=True)
+    window = sg.Window(
+        title, layout, finalize=True, location=get_mouse_location(640, 480)
+    )
     exitcode = [-1]
 
     def process_func() -> None:
@@ -242,7 +245,9 @@ def popup_download(title: str, link: str, file_name: str) -> str:
     progress = sg.ProgressBar(100, orientation="h", s=(50, 10))
     text = sg.Text("0%")
     layout = [[progress], [text]]
-    window = sg.Window(title, layout, finalize=True)
+    window = sg.Window(
+        title, layout, finalize=True, location=get_mouse_location(400, 100)
+    )
 
     def update_log(status: list[int], dl: int, total: int) -> None:
         status.clear()
@@ -341,7 +346,12 @@ def update_progress(percentage: int) -> None:
     text = sg.Text("0%")
     extra = sg.Text("Reading directory, please wait...")
     layout = [[extra], [progress], [text]]
-    window = sg.Window("De-referencing Links", layout, finalize=True)
+    window = sg.Window(
+        "De-referencing Links",
+        layout,
+        finalize=True,
+        location=get_mouse_location(400, 120),
+    )
     window.refresh()
 
     window.perform_long_operation(dereference_links, "-DEREF DONE-")
@@ -477,10 +487,11 @@ def copy_files() -> None:
     extra = sg.Text("Reading prefix directory, please wait...")
     layout = [[extra], [progress], [text]]
 
+    location = get_mouse_location(400, 120)
     if zipup:
-        window = sg.Window("Copying Prefix", layout, finalize=True)
+        window = sg.Window("Copying Prefix", layout, finalize=True, location=location)
     else:
-        window = sg.Window("Zipping File", layout, finalize=True)
+        window = sg.Window("Zipping File", layout, finalize=True, location=location)
 
     window.refresh()
     window.perform_long_operation(copy_files, "-COPY DONE-")
@@ -563,7 +574,12 @@ def unpack_files() -> None:
     text = sg.Text("0% (0/?)")
     extra = sg.Text("Reading ZIP file, please wait...")
     layout = [[extra], [progress], [text]]
-    window = sg.Window("Unpacking Prefix", layout, finalize=True)
+    window = sg.Window(
+        "Unpacking Prefix",
+        layout,
+        finalize=True,
+        location=get_mouse_location(400, 120),
+    )
     window.refresh()
 
     window.perform_long_operation(unpack_files, "-UNPACK DONE-")

src/setup.py

@@ -12,6 +12,7 @@
     pip,
     exit_with_message,
     http_get,
+    get_mouse_location,
 )
 
 from corenodep import (
@@ -61,6 +62,7 @@ def welcome() -> bool:
         title="WeMod Launcher Setup",
         image=wemod_logo.content,
         icon=wemod_logo.content,
+        location=get_mouse_location(450, 300),
     )
     return ret == "OK"
 
@@ -76,7 +78,12 @@ def download_wemod(temp_dir: str) -> str:
     text = sg.Text("0%")
     # text = sg.Multiline(str.join("", log), key="-LOG-", autoscroll=True, size=(50,50), disabled=True)
     layout = [[progress], [text]]
-    window = sg.Window("Downloading WeMod", layout, finalize=True)
+    window = sg.Window(
+        "Downloading WeMod",
+        layout,
+        finalize=True,
+        location=get_mouse_location(400, 100),
+    )
 
     def update_log(status: list[int], dl: int, total: int) -> None:
         status.clear()