Blame SOURCES/0014-Translate-opaque-area-with-frame-margins.patch

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From a3e3ac1c86a956b25b1dc24f14518b6e6c96bcfc Mon Sep 17 00:00:00 2001
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From: Jan Grulich <jgrulich@redhat.com>
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Date: Wed, 10 Feb 2021 17:11:27 +0100
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Subject: [PATCH 14/36] Translate opaque area with frame margins
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The opaque area doesn't take window decorations into account, which may
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result into possible graphical artefacts.
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Pick-to: 5.15 6.0 6.1
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Change-Id: I1606e8256e7e204dad927931eb1221b576e227fd
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Reviewed-by: David Edmundson <davidedmundson@kde.org>
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---
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 src/client/qwaylandwindow.cpp | 8 +++++---
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 1 file changed, 5 insertions(+), 3 deletions(-)
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diff --git a/src/client/qwaylandwindow.cpp b/src/client/qwaylandwindow.cpp
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index e875af3a..2af39977 100644
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--- a/src/client/qwaylandwindow.cpp
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+++ b/src/client/qwaylandwindow.cpp
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@@ -1234,12 +1234,14 @@ bool QWaylandWindow::isOpaque() const
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 void QWaylandWindow::setOpaqueArea(const QRegion &opaqueArea)
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 {
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-    if (opaqueArea == mOpaqueArea || !mSurface)
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+    const QRegion translatedOpaqueArea = opaqueArea.translated(frameMargins().left(), frameMargins().top());
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+
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+    if (translatedOpaqueArea == mOpaqueArea || !mSurface)
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         return;
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-    mOpaqueArea = opaqueArea;
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+    mOpaqueArea = translatedOpaqueArea;
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-    struct ::wl_region *region = mDisplay->createRegion(opaqueArea);
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+    struct ::wl_region *region = mDisplay->createRegion(translatedOpaqueArea);
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     mSurface->set_opaque_region(region);
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     wl_region_destroy(region);
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 }
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-- 
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2.33.1
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