Replace 'Playblast' button with 'Tinyblast' button

Learned some Qt and didn't like how I handled the 'Tinyblast' button. Now instead of a big ole 'Tinyblast' button underneath the other 'Playblast' buttons, Tinyblast overrides the default 'Playblast' button.

tinyblast.py

@@ -1,10 +1,16 @@
 import maya.OpenMaya as om
 import maya.OpenMayaMPx as ompx
+import maya.OpenMayaUI as omui
 import maya.cmds as cmds
 import os
 import subprocess
 import sys
 
+from shiboken6 import wrapInstance
+from PySide6 import QtWidgets
+
+playblast_job_id = None
+
 def get_plugin_directory():
     # Get the path of the currently loaded plugin
     plugin_name = "tinyblast"
@@ -55,6 +61,15 @@ def custom_playblast(*args, **kwargs):
         except subprocess.CalledProcessError as e:
             print(f"Error during FFmpeg conversion: {e}")
 
+def get_playblast_options_window():
+    # Check if the Playblast Options window is open
+    windows = cmds.lsUI(windows=True)
+    for window in windows:
+        if cmds.window(window, query=True, title=True) == "Playblast Options":  # Exact title match
+            window_ptr = omui.MQtUtil.findWindow(window)
+            return wrapInstance(int(window_ptr), QtWidgets.QWidget)
+    return None
+
 class WindowWatcher:
     """ A class to watch for a particular window in Maya """
 
@@ -66,64 +81,46 @@ class WindowWatcher:
 
     def check_for_window_open(self):
         if not self.window_opened:
-            window = self.get_window_by_title(self.window_title)
+            window = get_playblast_options_window()
             if window:
                 self.on_open_callback()
                 self.window_opened = True
         else:
-            window = self.get_window_by_title(self.window_title)
+            window = get_playblast_options_window()
             if not window:
                 self.window_opened = False
                 if self.on_close_callback:
                     self.on_close_callback()
 
-    def get_window_by_title(self, title):
+def find_button_by_label(window, label_text):
-        # Check all open windows and return the one that matches the title
+    for widget in window.findChildren(QtWidgets.QPushButton):
-        windows = cmds.lsUI(windows=True)
+        if widget.text() == label_text:
-        for window in windows:
+            return widget
-            if cmds.window(window, query=True, title=True) == title:
-                return window
     return None
 
+def override_playblast_button():
+    playblast_window = get_playblast_options_window()
+    tinyblast_button = find_button_by_label(playblast_window, 'Playblast')
 
-def add_custom_button_to_playblast():
+    if tinyblast_button:
-    # Get the Playblast Options window
+        tinyblast_button.clicked.disconnect()
-    window = get_playblast_options_window()
+        tinyblast_button.setText('Tinyblast')
+        tinyblast_button.clicked.connect(custom_playblast)
 
-    if window:
-        # Find the layout of the Playblast Options window
-        layout = cmds.columnLayout(adjustableColumn=True)
-        if layout:
-            # Add a custom button below existing UI
-            cmds.setParent(layout)  # Set the parent to the top-level layout
-            cmds.columnLayout(adjustableColumn=True)
-            cmds.button(label="Tinyblast", command=custom_button_action)
-        else:
-            print("Couldn't find the layout for the Playblast Options window.")
-    else:
-        print("Playblast Options window not found.")
 
-def custom_button_action(*args):
+def setup_script_job():
-    custom_playblast()
+    global playblast_job_id
-
-def get_playblast_options_window():
-    # Check if the Playblast Options window is open
-    windows = cmds.lsUI(windows=True)
-    for window in windows:
-        if cmds.window(window, query=True, title=True) == "Playblast Options":  # Exact title match
-            return window
-    return None
-
-def setup_script_job(playblast_job_id):
     # Kill any previously running scriptJob
     if playblast_job_id is not None and cmds.scriptJob(exists=playblast_job_id):
         cmds.scriptJob(kill=playblast_job_id, force=True)
         print(f"Killed previous scriptJob with ID: {playblast_job_id}")
 
+    print("Created scriptjob")
+
     # Watch for the Playblast Options window by title
     playblast_watcher = WindowWatcher(
         window_title="Playblast Options",  # Exact window title to look for
-        on_open_callback=add_custom_button_to_playblast
+        on_open_callback=override_playblast_button
     )
 
     # Set up a new scriptJob
@@ -134,28 +131,31 @@ class Tinyblast(ompx.MPxCommand):
         ompx.MPxCommand.__init__(self)
 
     def doIt(selfself, args):
-        print("Executing custom playblast command.")
+        print("So I started blastin'.")
         custom_playblast()
 
-def tinyblastCmd():
+def tinyblast_cmd():
    return ompx.asMPxPtr(Tinyblast())
 
 def initializePlugin(mobject):
+    global playblast_job_id
     try:
-        mplugin = ompx.MFnPlugin(mobject, "Jack Christensen", "1.0.1", "Any")
+        mplugin = ompx.MFnPlugin(mobject, "Jack Christensen", "1.1.0", "Any")
-        mplugin.registerCommand("tinyblast", tinyblastCmd)
+        mplugin.registerCommand("tinyblast", tinyblast_cmd)
         om.MGlobal.displayInfo("Tinyblast plugin loaded.")
-        playblast_job_id = None
+        setup_script_job()
-        setup_script_job(playblast_job_id)
     except Exception as e:
         om.MGlobal.displayError(f"Failed to initialize plugin: {str(e)}")
         raise
 
 def uninitializePlugin(mobject):
+    global playblast_job_id
     try:
         mplugin = ompx.MFnPlugin(mobject)
         mplugin.deregisterCommand("tinyblast")
         om.MGlobal.displayInfo("Tinyblast plugin unloaded.")
+        cmds.scriptJob(kill=playblast_job_id, force=True)
+        print("Killed script job")
     except Exception as e:
         om.MGlobal.displayError(f"Failed to uninitialize plugin: {str(e)}")
         raise