Respect 'Say all on page load' in PowerPoint slide shows (nvaccess#17488

)

Summary of the issue:
When Browse mode setting "say all on page load" is disabled, NVDA yet starts say all in a slide show.

Description of user facing changes
NVDA no longer automatically starts say all when starting a PowerPoint slide show and "say all on page load" is disabled.

Description of development approach
Check the config setting.

source/appModules/powerpnt.py

@@ -15,6 +15,7 @@
 import ctypes
 
 import comtypes.client.lazybind
+import config
 import oleacc
 import comHelper
 import ui
@@ -1386,8 +1387,10 @@ def __contains__(self, obj):
 	def event_treeInterceptor_gainFocus(self):
 		braille.handler.handleGainFocus(self)
 		self.rootNVDAObject.reportFocus()
+		doSayAll = not self.hadFocusOnce and config.conf["virtualBuffers"]["autoSayAllOnPageLoad"]
 		if not self.hadFocusOnce:
 			self.hadFocusOnce = True
+		if doSayAll:
 			self.reportNewSlide()
 		else:
 			info = self.selection

user_docs/en/changes.md

@@ -52,9 +52,10 @@ To use this feature, "allow NVDA to control the volume of other applications" mu
 * Math reading has been fixed for some web elements.
 Specifically, MathML inside of span and other elements that have the attribute `role="math"`. (#15058)
 * Native support for the Dot Pad tactile graphics device from Dot Inc as a multiline braille display. (#17007)
-* Improvements when editing in Microsoft PowerPoint:
+* Improvements in Microsoft PowerPoint:
   * Caret reporting no longer breaks when text contains wide characters, such as emoji. (#17006 , @LeonarddeR)
   * Character location reporting is now accurate (e.g. when pressing `NVDA+Delete`. (#9941, @LeonarddeR)
+  * NVDA no longer starts say all when starting a slide show and the browse mode setting "Automatic Say All on page load" is disabled. (#17488, @LeonarddeR)
 * When using the Seika Notetaker, space and space with dots gestures are now displayed correctly in the Input Gestures dialog. (#17047, @school510587)
 * Configuration profiles:
   * Braille is no longer dysfunctional when activating 'say all' with an associated configuration profile. (#17163, @LeonarddeR)