Your message dated Thu, 13 Aug 2026 14:20:42 +0000
with message-id <[email protected]>
and subject line Bug#1101701: fixed in marco 1.26.2-5
has caused the Debian Bug report #1101701,
regarding marco: lag of orca when using alt + tab when certain applications are
launched
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
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misconfiguration somewhere. Please contact [email protected]
immediately.)
--
1101701: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1101701
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: marco
Version: 1.26.2-4.1
Severity: important
Tags: a11y patch upstream
Dear Maintainer,
with orca running, slowdowns have been observed when using the alt + tab
shortcut when QT applications are launched.
after investigation by orca (1), it has been shown that the bug
originated from
marco. the attached patch corrects the problem.
(1): https://gitlab.gnome.org/GNOME/orca/-/issues/430
pr upstr eam: https://github.com/mate-desktop/marco/pull/773
thanks !
-- System Information:
Debian Release: trixie/sid
APT prefers testing
APT policy: (500, 'testing'), (50, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 6.12.20-amd64 (SMP w/8 CPU threads; PREEMPT)
Kernel taint flags: TAINT_FORCED_RMMOD, TAINT_OOT_MODULE,
TAINT_UNSIGNED_MODULE
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE
not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages marco depends on:
ii libc6 2.41-6
ii libcairo2 1.18.4-1+b1
ii libgdk-pixbuf-2.0-0 2.42.12+dfsg-2
ii libglib2.0-0t64 [libglib2.0-0] 2.84.0-2
ii libgtk-3-0t64 [libgtk-3-0] 3.24.49-2
ii libmarco-private2 1.26.2-4.1
ii libpango-1.0-0 1.56.3-1
ii libx11-6 2:1.8.12-1
ii marco-common 1.26.2-4.1
ii mate-desktop-common 1.26.2-1.2
ii zenity 4.1.90-1
marco recommends no packages.
marco suggests no packages.
-- no debconf information
diff --git a/src/ui/tabpopup.c b/src/ui/tabpopup.c
index abd37b6d..892de65b 100644
--- a/src/ui/tabpopup.c
+++ b/src/ui/tabpopup.c
@@ -36,6 +36,7 @@
#include "../core/frame-private.h"
#include "draw-workspace.h"
#include <gtk/gtk.h>
+#include <gtk/gtk-a11y.h>
#include <gdk/gdkx.h>
#include <math.h>
@@ -70,6 +71,14 @@ struct _MetaTabPopup
gint border;
};
+typedef GtkWindowAccessibleClass MetaTabPopupWindowAccessibleClass;
+typedef GtkWindowAccessible MetaTabPopupWindowAccessible;
+typedef GtkWindowClass MetaTabPopupWindowClass;
+typedef GtkWindow MetaTabPopupWindow;
+
+static GType meta_tab_popup_window_get_type (void);
+static GType meta_tab_popup_window_accessible_get_type (void);
+
static GtkWidget* selectable_image_new (GdkPixbuf *pixbuf, cairo_surface_t *win_surface);
static void select_image (GtkWidget *widget);
static void unselect_image (GtkWidget *widget);
@@ -79,6 +88,65 @@ static GtkWidget* selectable_workspace_new (MetaWorkspace *workspace,
static void select_workspace (GtkWidget *widget);
static void unselect_workspace (GtkWidget *widget);
+G_DEFINE_TYPE (MetaTabPopupWindowAccessible, meta_tab_popup_window_accessible, GTK_TYPE_WINDOW_ACCESSIBLE)
+G_DEFINE_TYPE (MetaTabPopupWindow, meta_tab_popup_window, GTK_TYPE_WINDOW)
+
+/*--- Accessible implementation for the popup window to report itself as active
+ * when a switch is in progress. We need special handling because the
+ * actual interaction is done through key grabs, and thus GTK doesn't see
+ * the switcher window as active, but that confuses some ATs that are
+ * looking for the active window and find nothing. ---*/
+static AtkStateSet *
+meta_tab_popup_window_accessible_ref_state_set (AtkObject *accessible)
+{
+ AtkStateSet *state_set;
+ GtkWidget *widget;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
+ if (widget == NULL)
+ return NULL;
+
+ state_set = ATK_OBJECT_CLASS (meta_tab_popup_window_accessible_parent_class)->ref_state_set (accessible);
+
+ if (gtk_widget_get_visible (widget))
+ atk_state_set_add_state (state_set, ATK_STATE_ACTIVE);
+
+ return state_set;
+}
+
+static void
+meta_tab_popup_window_accessible_class_init (MetaTabPopupWindowAccessibleClass *cls)
+{
+ AtkObjectClass *atk_cls = ATK_OBJECT_CLASS (cls);
+
+ atk_cls->ref_state_set = meta_tab_popup_window_accessible_ref_state_set;
+}
+
+static void
+meta_tab_popup_window_accessible_init (MetaTabPopupWindowAccessible *self)
+{
+}
+
+/*--- Custom GtkWindow subclass, mainly to be able to have our own accessible
+ * implementation overrides ---*/
+static void
+meta_tab_popup_window_class_init (MetaTabPopupWindowClass *cls)
+{
+ gtk_widget_class_set_accessible_type (GTK_WIDGET_CLASS (cls), meta_tab_popup_window_accessible_get_type ());
+}
+
+static void
+meta_tab_popup_window_init (MetaTabPopupWindow *self)
+{
+}
+
+/* Creates a MetaTabPopupWindow instance with the required defaults */
+static GtkWidget *
+meta_tab_popup_window_new (void)
+{
+ return g_object_new (meta_tab_popup_window_get_type (), "type", GTK_WINDOW_POPUP, NULL);
+}
+
static gboolean
outline_window_draw (GtkWidget *widget,
cairo_t *cr,
@@ -285,7 +353,7 @@ meta_ui_tab_popup_new (const MetaTabEntry *entries,
else
popup->outline_window = NULL;
- popup->window = gtk_window_new (GTK_WINDOW_POPUP);
+ popup->window = meta_tab_popup_window_new ();
gtk_window_set_screen (GTK_WINDOW (popup->window), screen);
gtk_window_set_position (GTK_WINDOW (popup->window), GTK_WIN_POS_CENTER_ALWAYS);
@@ -340,13 +408,6 @@ meta_ui_tab_popup_new (const MetaTabEntry *entries,
popup->label = gtk_label_new ("");
- /* Set the accessible role of the label to a status bar so it
- * will emit name changed events that can be used by screen
- * readers.
- */
- obj = gtk_widget_get_accessible (popup->label);
- atk_object_set_role (obj, ATK_ROLE_STATUSBAR);
-
gtk_widget_set_margin_start (popup->label, 16);
gtk_widget_set_margin_end (popup->label, 16);
gtk_widget_set_margin_top (popup->label, 0);
@@ -421,6 +482,15 @@ meta_ui_tab_popup_new (const MetaTabEntry *entries,
/* Make it so that we ellipsize if the text is too long */
gtk_label_set_ellipsize (GTK_LABEL (popup->label), PANGO_ELLIPSIZE_END);
+ /* Set the accessible role of the label to a status bar so it
+ * will emit name changed events that can be used by screen
+ * readers.
+ * We do this *after* messing with the label content for computing the size
+ * not to send a change even for each entry at start.
+ */
+ obj = gtk_widget_get_accessible (popup->label);
+ atk_object_set_role (obj, ATK_ROLE_STATUSBAR);
+
int default_window_width = 0; /* 0 == small as possible, truncate label */
if (expand_for_titles && top <= 1 && left < width)
--- End Message ---
--- Begin Message ---
Source: marco
Source-Version: 1.26.2-5
Done: Mike Gabriel <[email protected]>
We believe that the bug you reported is fixed in the latest version of
marco, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Mike Gabriel <[email protected]> (supplier of updated marco package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Thu, 13 Aug 2026 15:45:41 +0200
Source: marco
Architecture: source
Version: 1.26.2-5
Distribution: unstable
Urgency: medium
Maintainer: Debian+Ubuntu MATE Packaging Team <[email protected]>
Changed-By: Mike Gabriel <[email protected]>
Closes: 1101701
Changes:
marco (1.26.2-5) unstable; urgency=medium
.
[ Mike Gabriel ]
* debian/control:
+ Add to D: (marco) mate-settings-daemon-common. (Ships gsettings schemas
used by marco).
+ Drop from B-D: intltool, add gettext.
+ Bump Standards-Version: to 4.7.4. Drop Priority: optional from global
header.
* debian/patches:
+ Add 0003_tabpopup-Stop-spamming-the-ATs-with-label-changes-at-
startup.patch as proposed by upstream.
* debian/copyright:
+ Update copyright attribution for debian/.
.
[ Jeremyp3 ]
* debian/patches:
+ Rebase 0003_tabpopup-Stop-spamming-the-ATs-with-label-changes-at-
startup.patch to apply against marco 1.26.2. (Closes: #1101701).
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