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use KWin to find fullscreen window and pause adjustments if found

Thomas B 3 个月前
父节点
当前提交
f91a68bc6d
共有 4 个文件被更改,包括 75 次插入1 次删除
  1. 4
    0
      README.md
  2. 15
    1
      client/brightness.py
  3. 5
    0
      client/kwin_check.js
  4. 51
    0
      client/window.py

+ 4
- 0
README.md 查看文件

@@ -31,6 +31,10 @@ Prepare udev rules for our new device.
31 31
 
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 ## Client
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+Uses [KWin scripting](https://develop.kde.org/docs/plasma/kwin/) to get the active window from the KDE window manager.
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+This is used to pause adjustments while a fullscreen window is focused (eg. while gaming).
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+Also sends status updates to a local InfluxDB.
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+
34 38
 ### Quick Start
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36 40
 Install dependency and run the client.

+ 15
- 1
client/brightness.py 查看文件

@@ -4,6 +4,7 @@ import lux
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 import ddc
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 import time
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 import influx
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+import window
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 filter_fact = 0.90
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@@ -62,6 +63,9 @@ if __name__ == "__main__":
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     time_brightness = time.time()
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     time_displays = time.time()
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+    time_window = time.time()
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+
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+    is_active = True
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     while True:
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         # read brightness at approx. 1Hz with low-pass filtering
@@ -85,8 +89,18 @@ if __name__ == "__main__":
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             except:
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                 pass
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+        # check for fullscreen windows every 20s
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+        if (time.time() - time_window) > 20.0:
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+            time_window = time.time()
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+            info = window.query()
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+            if info["fullscreen"] and is_active:
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+                print("App \"{}\" is now fullscreen! Pausing.".format(info["name"]))
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+            if (not info["fullscreen"]) and (not is_active):
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+                print("No longer fullscreen. Continuing.")
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+            is_active = not info["fullscreen"]
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+
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         # set displays at most every 10s
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-        if (time.time() - time_displays) > 10.0:
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+        if is_active and ((time.time() - time_displays) > 10.0):
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             time_displays = time.time()
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             for d in disps:

+ 5
- 0
client/kwin_check.js 查看文件

@@ -0,0 +1,5 @@
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+var win = workspace.activeWindow;
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+var name = win.caption;
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+var pid = win.pid;
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+var state = (win.bufferGeometry == win.output.geometry);
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+print('{ "name": "' + name + '", "pid": ' + pid + ', "fullscreen": ' + state + ' }');

+ 51
- 0
client/window.py 查看文件

@@ -0,0 +1,51 @@
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+#!/usr/bin/env python
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+
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+import os
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+import subprocess
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+from datetime import datetime
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+import json
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+
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+# https://unix.stackexchange.com/a/776620
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+def query(verbose=False):
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+    dir_path = os.path.abspath(os.path.dirname(__file__))
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+    file_path = os.path.join(dir_path, "kwin_check.js")
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+    datetime_now = datetime.now()
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+
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+    result = subprocess.run("dbus-send --print-reply --dest=org.kde.KWin /Scripting org.kde.kwin.Scripting.loadScript string:" + file_path, capture_output=True, shell=True)
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+    if verbose and result.stdout:
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+        print("Output 1", result.stdout.decode("utf-8"))
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+    if verbose and result.stderr:
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+        print("Errs 1", result.stderr.decode("utf-8"))
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+
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+    n = result.stdout.decode("utf-8").split("\n")[1].split()[1]
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+    if verbose:
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+        print("Script ID", n)
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+
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+    result = subprocess.run("dbus-send --print-reply --dest=org.kde.KWin /Scripting/Script" + n + " org.kde.kwin.Script.run", capture_output=True, shell=True)
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+    if verbose and result.stdout:
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+        print("Output 2", result.stdout.decode("utf-8"))
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+    if verbose and result.stderr:
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+        print("Errs 2", result.stderr.decode("utf-8"))
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+
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+    result = subprocess.run("dbus-send --print-reply --dest=org.kde.KWin /Scripting/Script" + n + " org.kde.kwin.Script.stop", capture_output=True, shell=True)
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+    if verbose and result.stdout:
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+        print("Output 3", result.stdout.decode("utf-8"))
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+    if verbose and result.stderr:
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+        print("Errs 3", result.stderr.decode("utf-8"))
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+
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+    since = str(datetime_now)
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+
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+    result = subprocess.run("journalctl _COMM=kwin_wayland -o cat --since \"" + since + "\"", capture_output=True, shell=True)
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+    if verbose and result.stdout:
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+        print("Output 4", result.stdout.decode("utf-8"))
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+    if verbose and result.stderr:
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+        print("Errs 4", result.stderr.decode("utf-8"))
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+
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+    msg = result.stdout.decode().rstrip().split("\n")[0][4:]
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+    return json.loads(msg)
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+
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+if __name__ == "__main__":
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+    info = query()
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+    print("Name: \"{}\"".format(info["name"]))
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+    print("PID: {}".format(info["pid"]))
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+    print("Fullscreen: {}".format(info["fullscreen"]))

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