patches: announce echo area messages to VoiceOver

patches/0008-ns-announce-child-frame-completion-candidates-for-Vo.patch

@@ -1,4 +1,4 @@
-From 8d60434dd8fba2ca5f2bb25b2cc55fa046fbd1fb Mon Sep 17 00:00:00 2001
+From d3955e2fa0cd7e39d5100edf5818608b3be53f20 Mon Sep 17 00:00:00 2001
 From: Martin Sukany <martin@sukany.cz>
 Date: Sat, 28 Feb 2026 16:01:29 +0100
 Subject: [PATCH 8/8] ns: announce child frame completion candidates for
@@ -20,8 +20,8 @@ element when a child frame completion closes.
  doc/emacs/macos.texi |   6 -
  etc/NEWS             |   4 +-
  src/nsterm.h         |   9 ++
- src/nsterm.m         | 290 +++++++++++++++++++++++++++++++++++++++++--
- 4 files changed, 291 insertions(+), 18 deletions(-)
+ src/nsterm.m         | 329 +++++++++++++++++++++++++++++++++++++++++--
+ 4 files changed, 330 insertions(+), 18 deletions(-)
 
 diff --git a/doc/emacs/macos.texi b/doc/emacs/macos.texi
 index 6514dfc..f47929e 100644
@@ -97,7 +97,7 @@ index 21a93bc..bbce9fe 100644
  @end
  
 diff --git a/src/nsterm.m b/src/nsterm.m
-index 8d44b5f..818e0a0 100644
+index 8d44b5f..7b254ca 100644
 --- a/src/nsterm.m
 +++ b/src/nsterm.m
 @@ -7415,6 +7415,112 @@ visual line index for Zoom (skip whitespace-only lines
@@ -303,7 +303,53 @@ index 8d44b5f..818e0a0 100644
    specpdl_ref count2 = SPECPDL_INDEX ();
    record_unwind_current_buffer ();
    if (b != current_buffer)
-@@ -9931,6 +10072,10 @@ - (void)dealloc
+@@ -9352,6 +9493,45 @@ - (void)postAccessibilityNotificationsForFrame:(struct frame *)f
+   if (!b)
+     return;
+ 
++  /* --- Echo area announcements ---
++     When the minibuffer is not active for user input (minibuf_level == 0)
++     and its text changes, post an AX announcement so VoiceOver reads the
++     new message.  This covers error messages, warnings, and informational
++     echoes.  Skipped while minibuf_level > 0 (user is typing a command)
++     to avoid interrupting prompt reading or completion.  */
++  if (MINI_WINDOW_P (w) && minibuf_level == 0)
++    {
++      ptrdiff_t echo_chars_modiff = BUF_CHARS_MODIFF (b);
++      if (echo_chars_modiff != self.cachedCharsModiff)
++	{
++	  self.cachedCharsModiff = echo_chars_modiff;
++	  ptrdiff_t dummy_start = 0;
++	  NSUInteger nruns = 0;
++	  ns_ax_visible_run *runs = NULL;
++	  NSString *msg = ns_ax_buffer_text (w, &dummy_start,
++					     &runs, &nruns);
++	  if (runs) xfree (runs);
++	  if (msg)
++	    {
++	      NSString *trimmed = [msg stringByTrimmingCharactersInSet:
++		[NSCharacterSet whitespaceAndNewlineCharacterSet]];
++	      if ([trimmed length] > 0)
++		{
++		  NSDictionary *info = @{
++		    NSAccessibilityAnnouncementKey: trimmed,
++		    NSAccessibilityPriorityKey:
++		      @(NSAccessibilityPriorityMedium)
++		  };
++		  ns_ax_post_notification_with_info (
++		    NSApp,
++		    NSAccessibilityAnnouncementRequestedNotification,
++		    info);
++		}
++	    }
++	}
++      return;  /* no cursor tracking for inactive minibuffer */
++    }
++
+   ptrdiff_t modiff = BUF_MODIFF (b);
+   ptrdiff_t point = BUF_PT (b);
+   BOOL markActive = !NILP (BVAR (b, mark_active));
+@@ -9931,6 +10111,10 @@ - (void)dealloc
  #endif
  
    [accessibilityElements release];
@@ -314,7 +360,7 @@ index 8d44b5f..818e0a0 100644
    [[self menu] release];
    [super dealloc];
  }
-@@ -11380,6 +11525,9 @@ - (instancetype) initFrameFromEmacs: (struct frame *)f
+@@ -11380,6 +11564,9 @@ - (instancetype) initFrameFromEmacs: (struct frame *)f
  
    windowClosing = NO;
    processingCompose = NO;
@@ -324,7 +370,7 @@ index 8d44b5f..818e0a0 100644
    scrollbarsNeedingUpdate = 0;
    fs_state = FULLSCREEN_NONE;
    fs_before_fs = next_maximized = -1;
-@@ -12688,6 +12836,80 @@ - (id)accessibilityFocusedUIElement
+@@ -12688,6 +12875,80 @@ - (id)accessibilityFocusedUIElement
     The existing elements carry cached state (modiff, point) from the
     previous redisplay cycle.  Rebuilding first would create fresh
     elements with current values, making change detection impossible.  */
@@ -405,7 +451,7 @@ index 8d44b5f..818e0a0 100644
  - (void)postAccessibilityUpdates
  {
    NSTRACE ("[EmacsView postAccessibilityUpdates]");
-@@ -12698,11 +12920,59 @@ - (void)postAccessibilityUpdates
+@@ -12698,11 +12959,59 @@ - (void)postAccessibilityUpdates
  
    /* Re-entrance guard: VoiceOver callbacks during notification posting
       can trigger redisplay, which calls ns_update_end, which calls us