38 lines
1.4 KiB
Diff
38 lines
1.4 KiB
Diff
From 3bbaa914d9bfafaf5a4d78867a578bddf5fc9134 Mon Sep 17 00:00:00 2001
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Message-Id: <3bbaa914d9bfafaf5a4d78867a578bddf5fc9134.1414608565.git.crobinso@redhat.com>
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From: "Daniel P. Berrange" <berrange@redhat.com>
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Date: Wed, 29 Oct 2014 16:13:46 +0000
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Subject: [PATCH] Enable double buffering on GTK3
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---
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src/vncdisplay.c | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/src/vncdisplay.c b/src/vncdisplay.c
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index c47f8ee..b990f97 100644
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--- a/gtk-vnc-0.5.3/src/vncdisplay.c
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+++ b/gtk-vnc-0.5.3/src/vncdisplay.c
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@@ -2186,7 +2186,19 @@ static void vnc_display_init(VncDisplay *display)
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GDK_LEAVE_NOTIFY_MASK |
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GDK_SCROLL_MASK |
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GDK_KEY_PRESS_MASK);
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+ /* We already have off-screen buffers we render to
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+ * but with GTK-3 there are problems with overlaid
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+ * windows. We end up rendering over the top of the
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+ * child overlaid windows despite having a clip
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+ * mask set :-( We've turned on GTK3's built-in
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+ * double buffering to work around this until we
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+ * find a better idea.
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+ */
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+#if GTK_CHECK_VERSION(3, 0, 0)
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+ gtk_widget_set_double_buffered(widget, TRUE);
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+#else
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gtk_widget_set_double_buffered(widget, FALSE);
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+#endif
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priv = display->priv = VNC_DISPLAY_GET_PRIVATE(display);
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memset(priv, 0, sizeof(VncDisplayPrivate));
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--
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2.1.0
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