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From 245a3c2e12b4aad2e752675f82be9517235d5498 Mon Sep 17 00:00:00 2001
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From: Rui Matos <tiagomatos@gmail.com>
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Date: Fri, 19 May 2017 17:11:19 +0200
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Subject: [PATCH] stack-tracker: Keep override redirect windows on top
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Since commit 6b5cf2e, we keep override redirect windows on a layer
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above regular windows in the clutter actor scene graph. In the X
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server, and thus for input purposes, these windows might end up being
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stacked below regular windows though, e.g. because a new regular
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window is mapped after an OR window.
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Fix this disconnect by re-stacking OR windows on top when syncing the
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window stack with the compositor.
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https://bugzilla.gnome.org/show_bug.cgi?id=780485
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---
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src/core/stack-tracker.c | 36 ++++++++++++++++++++++++++++++++++++
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1 file changed, 36 insertions(+)
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diff --git a/src/core/stack-tracker.c b/src/core/stack-tracker.c
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index a76b42cbf..82afd644a 100644
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--- a/src/core/stack-tracker.c
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+++ b/src/core/stack-tracker.c
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@@ -168,6 +168,9 @@ struct _MetaStackTracker
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guint sync_stack_later;
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};
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+static void
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+meta_stack_tracker_keep_override_redirect_on_top (MetaStackTracker *tracker);
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+
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static inline const char *
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get_window_desc (MetaStackTracker *tracker,
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guint64 window)
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@@ -835,6 +838,8 @@ meta_stack_tracker_sync_stack (MetaStackTracker *tracker)
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tracker->sync_stack_later = 0;
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}
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+ meta_stack_tracker_keep_override_redirect_on_top (tracker);
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+
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meta_stack_tracker_get_stack (tracker, &windows, &n_windows);
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meta_windows = NULL;
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@@ -1040,6 +1045,37 @@ meta_stack_tracker_lower (MetaStackTracker *tracker,
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meta_stack_tracker_raise_above (tracker, window, None);
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}
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+static void
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+meta_stack_tracker_keep_override_redirect_on_top (MetaStackTracker *tracker)
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+{
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+ MetaWindow *window;
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+ guint64 *stack;
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+ int n_windows, i;
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+ int topmost_non_or;
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+
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+ meta_stack_tracker_get_stack (tracker, &stack, &n_windows);
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+
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+ for (i = n_windows - 1; i >= 0; i--)
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+ {
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+ window = meta_display_lookup_stack_id (tracker->screen->display, stack[i]);
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+ if (window && window->layer != META_LAYER_OVERRIDE_REDIRECT)
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+ break;
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+ }
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+
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+ topmost_non_or = i;
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+
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+ for (i -= 1; i >= 0; i--)
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+ {
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+ window = meta_display_lookup_stack_id (tracker->screen->display, stack[i]);
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+ if (window && window->layer == META_LAYER_OVERRIDE_REDIRECT)
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+ {
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+ meta_stack_tracker_raise_above (tracker, stack[i], stack[topmost_non_or]);
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+ meta_stack_tracker_get_stack (tracker, &stack, &n_windows);
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+ topmost_non_or -= 1;
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+ }
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+ }
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+}
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+
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void
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meta_stack_tracker_restack_managed (MetaStackTracker *tracker,
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const guint64 *managed,
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--
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2.13.0
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