From b7bd40a6f6af9ec56237529ba954935c62b51d12 Mon Sep 17 00:00:00 2001
From: Tony031218 <975062472@qq.com>
Date: Sat, 16 Jan 2021 10:46:30 +0800
Subject: [PATCH] make window_position changeable

---
 custom_defaults.yml |  4 ++++
 manimlib/config.py  | 18 +++++++++++++++++-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/custom_defaults.yml b/custom_defaults.yml
index 7c3d03f6..c2ff3a09 100644
--- a/custom_defaults.yml
+++ b/custom_defaults.yml
@@ -29,6 +29,10 @@ universal_import_line: "from manimlib.imports import *"
 style:
   font: "Consolas"
   background_color: "#333333"
+# Set the position of preview window, you can use directions, e.g. UL/DR/OL/OO/...
+# also, you can also specify the position(pixel) of the upper left corner of 
+# the window on the monitor, e.g. "960,540"
+window_position: UR
 camera_qualities:
   low:
     resolution: "854x480"
diff --git a/manimlib/config.py b/manimlib/config.py
index cc5126ef..d5e74af3 100644
--- a/manimlib/config.py
+++ b/manimlib/config.py
@@ -203,7 +203,23 @@ def get_configuration(args):
     else:
         window_width = monitor.width / 2
     window_height = window_width * 9 / 16
-    window_position = (int(monitor.width - window_width), 0)
+    custom_position = custom_defaults["window_position"]
+    if "," in custom_position:
+        posx, posy = map(int, custom_position.split(","))
+    else:
+        if custom_position[1] == "L":
+            posx = 0
+        elif custom_position[1] == "O":
+            posx = int((monitor.width - window_width) / 2)
+        elif custom_position[1] == "R":
+            posx = int(monitor.width - window_width)
+        if custom_position[0] == "U":
+            posy = 0
+        elif custom_position[0] == "O":
+            posy = int((monitor.height - window_height) / 2)
+        elif custom_position[0] == "D":
+            posy = int(monitor.height - window_height)
+    window_position = (posx, posy)
     config["window_config"] = {
         "size": (window_width, window_height),
         "position": window_position,