mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
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46 lines
2 KiB
Diff
46 lines
2 KiB
Diff
From 3806f28918ea23291749ff4775339075a5f394e8 Mon Sep 17 00:00:00 2001
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From: Tom Anderson <thomasanderson@chromium.org>
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Date: Thu, 6 Jan 2022 00:59:40 +0000
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Subject: [PATCH] [X11] Fix tag dragging in Mutter
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We used to use a BFS to find the target window for tag dragging, but
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this causes windows underneath (like the window for the desktop
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wallpaper) to take precedence over nested windows.
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This CL switches to a DFS.
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R=sky
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Bug: 1279532
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Change-Id: Ib569e9270be60bcb4fff088517dfe295697608b0
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Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3355470
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Reviewed-by: Scott Violet <sky@chromium.org>
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Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
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Auto-Submit: Thomas Anderson <thomasanderson@chromium.org>
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Cr-Commit-Position: refs/heads/main@{#955976}
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---
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ui/platform_window/x11/x11_topmost_window_finder.cc | 11 ++---------
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1 file changed, 2 insertions(+), 9 deletions(-)
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diff --git a/ui/platform_window/x11/x11_topmost_window_finder.cc b/ui/platform_window/x11/x11_topmost_window_finder.cc
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index 2e16393487b..e20bf0abf0e 100644
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--- a/ui/platform_window/x11/x11_topmost_window_finder.cc
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+++ b/ui/platform_window/x11/x11_topmost_window_finder.cc
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@@ -44,15 +44,8 @@ bool EnumerateChildren(ShouldStopIteratingCallback should_stop_iterating,
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for (iter = windows.rbegin(); iter != windows.rend(); iter++) {
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if (IsWindowNamed(*iter) && should_stop_iterating.Run(*iter))
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return true;
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- }
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-
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- // If we're at this point, we didn't find the window we're looking for at the
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- // current level, so we need to recurse to the next level. We use a second
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- // loop because the recursion and call to XQueryTree are expensive and is only
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- // needed for a small number of cases.
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- if (++depth <= max_depth) {
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- for (iter = windows.rbegin(); iter != windows.rend(); iter++) {
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- if (EnumerateChildren(should_stop_iterating, *iter, max_depth, depth))
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+ if (depth < max_depth) {
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+ if (EnumerateChildren(should_stop_iterating, *iter, max_depth, depth + 1))
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return true;
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}
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}
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