one_line_progress_meter - key parameter now defaults. No need to specify if you have only ONE meter going.

PySimpleGUI.py

@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 
-version = __version__ = "4.20.0.8 Unreleased\n Ability to add your own theme easier using theme_add_new, VSeparator added (spelling error), removed Radio update clearing all if one is cleared (forgot about reset_group), new Element.set_vscroll_position method, added initial_folder to popup_get_folder and default_path to no_window version of popup_get_file, HorizontalSeparator (FINALLY), added keys to separators, added color parameter to Separators (defaults to theme text color), docstring for Window.get_screen_size"
+version = __version__ = "4.20.0.9 Unreleased\n Ability to add your own theme easier using theme_add_new, VSeparator added (spelling error), removed Radio update clearing all if one is cleared (forgot about reset_group), new Element.set_vscroll_position method, added initial_folder to popup_get_folder and default_path to no_window version of popup_get_file, HorizontalSeparator (FINALLY), added keys to separators, added color parameter to Separators (defaults to theme text color), docstring for Window.get_screen_size, added default key for one_line_progress_meter"
 
 port = 'PySimpleGUI'
 
@@ -11677,7 +11677,7 @@ class QuickMeter(object):
         return self.stat_messages
 
 
-def OneLineProgressMeter(title, current_value, max_value, key, *args, orientation='v', bar_color=(None, None), button_color=None, size=DEFAULT_PROGRESS_BAR_SIZE, border_width=None, grab_anywhere=False, no_titlebar=False):
+def OneLineProgressMeter(title, current_value, max_value, key='OK for 1 meter', *args, orientation='v', bar_color=(None, None), button_color=None, size=DEFAULT_PROGRESS_BAR_SIZE, border_width=None, grab_anywhere=False, no_titlebar=False):
     """
     :param title: text to display in eleemnt
     :type title: (str)
@@ -11685,7 +11685,7 @@ def OneLineProgressMeter(title, current_value, max_value, key, *args, orientatio
     :type current_value: (int)
     :param max_value: max value of QuickMeter
     :type max_value: (int)
-    :param key:  Used with window.FindElement and with return values to uniquely identify this element
+    :param key:  Used to differentiate between mutliple meters. Used to cancel meter early. Now optional as there is a default value for single meters
     :type key: Union[str, int, tuple]
     :param *args: stuff to output
     :type *args: (Any)
@@ -11717,7 +11717,7 @@ def OneLineProgressMeter(title, current_value, max_value, key, *args, orientatio
     return rc == METER_OK
 
 
-def OneLineProgressMeterCancel(key):
+def OneLineProgressMeterCancel(key='OK for 1 meter'):
     """
     Cancels and closes a previously created One Line Progress Meter window
 

PySimpleGUIQt/PySimpleGUIQt.py

@@ -1,5 +1,5 @@
 #!/usr/bin/python3
-version = __version__ = "0.35.0.4 Unreleased\nMassive update of docstrings (thanks nngogol), default for slider tick interval set automatically now, margins added to Window but not yet hooked up, VSeparator added (spelling error), added Radio.reset_group and removed clearing all when one of them is cleared (recent change)"
+version = __version__ = "0.35.0.5 Unreleased\nMassive update of docstrings (thanks nngogol), default for slider tick interval set automatically now, margins added to Window but not yet hooked up, VSeparator added (spelling error), added Radio.reset_group and removed clearing all when one of them is cleared (recent change), added default key for one_line_progress_meter"
 
 port = 'PySimpleGUIQt'
 
@@ -7034,7 +7034,7 @@ class QuickMeter(object):
         return self.stat_messages
 
 
-def OneLineProgressMeter(title, current_value, max_value, key, *args, orientation='v', bar_color=(None, None),
+def OneLineProgressMeter(title, current_value, max_value, key='OK for 1 meter', *args, orientation='v', bar_color=(None, None),
                          button_color=None, size=DEFAULT_PROGRESS_BAR_SIZE, border_width=None, grab_anywhere=False):
     """
     :param orientation: 'horizontal' or 'vertical' ('h' or 'v' work) (Default value = 'vertical' / 'v')
@@ -7063,7 +7063,7 @@ def OneLineProgressMeter(title, current_value, max_value, key, *args, orientatio
     OneLineProgressMeter.exit_reasons = getattr(OneLineProgressMeter,'exit_reasons', QuickMeter.exit_reasons)
     return rc == METER_OK
 
-def OneLineProgressMeterCancel(key):
+def OneLineProgressMeterCancel(key='OK for 1 meter'):
     try:
         meter = QuickMeter.active_meters[key]
         meter.window.Close()

PySimpleGUIWeb/PySimpleGUIWeb.py

@@ -1,6 +1,6 @@
 #usr/bin/python3
 
-version = __version__ = "0.39.0.1  Unreleased\n , VSeparator added (spelling error)"
+version = __version__ = "0.39.0.2  Unreleased\n , VSeparator added (spelling error), added default key for one_line_progress_meter"
 
 port = 'PySimpleGUIWeb'
 
@@ -5554,7 +5554,7 @@ _one_line_progress_meters = {}
 
 
 # ============================== OneLineProgressMeter  =====#
-def OneLineProgressMeter(title, current_value, max_value, key, *args, orientation=None, bar_color=(None, None),
+def OneLineProgressMeter(title, current_value, max_value, key='OK for 1 meter', *args, orientation=None, bar_color=(None, None),
                          button_color=None, size=DEFAULT_PROGRESS_BAR_SIZE, border_width=None, grab_anywhere=False):
     global _one_line_progress_meters
 
@@ -5596,7 +5596,7 @@ def OneLineProgressMeter(title, current_value, max_value, key, *args, orientatio
     return rc  # return whatever the update told us
 
 
-def OneLineProgressMeterCancel(key):
+def OneLineProgressMeterCancel(key='OK for 1 meter'):
     global _one_line_progress_meters
 
     try:

PySimpleGUIWx/PySimpleGUIWx.py

@@ -1,5 +1,5 @@
 #!/usr/bin/python3
-version = __version__ = "0.17.1.2 Unreleased\n VSeparator added (spelling error), Radio.reset_group added and removed the clearing all when one cleared"
+version = __version__ = "0.17.1.3 Unreleased\n VSeparator added (spelling error), Radio.reset_group added and removed the clearing all when one cleared, added default key for one_line_progress_meter"
 
 port = 'PySimpleGUIWx'
 
@@ -5639,7 +5639,7 @@ class QuickMeter(object):
         return self.stat_messages
 
 
-def OneLineProgressMeter(title, current_value, max_value, key, *args, orientation='v', bar_color=(None, None),
+def OneLineProgressMeter(title, current_value, max_value, key='OK for 1 meter', *args, orientation='v', bar_color=(None, None),
                          button_color=None, size=DEFAULT_PROGRESS_BAR_SIZE, border_width=None, grab_anywhere=False):
     if key not in QuickMeter.active_meters:
         meter = QuickMeter(title, current_value, max_value, key, *args, orientation=orientation, bar_color=bar_color,
@@ -5652,7 +5652,7 @@ def OneLineProgressMeter(title, current_value, max_value, key, *args, orientatio
     OneLineProgressMeter.exit_reasons = getattr(OneLineProgressMeter,'exit_reasons', QuickMeter.exit_reasons)
     return rc == METER_OK
 
-def OneLineProgressMeterCancel(key):
+def OneLineProgressMeterCancel(key='OK for 1 meter'):
     try:
         meter = QuickMeter.active_meters[key]
         meter.window.Close()