Caolán McNamara
8 years ago
parent
8c7c27d299
commit
7146e88183
@ -0,0 +1,115 @@
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From 8a382d4ad190cf07cbd6b1fd6b903975134b0cf1 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolanm@redhat.com>
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Date: Thu, 1 Sep 2016 15:50:20 +0100
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Subject: [PATCH] Related: rhbz#1362451 avoid recursive ownerchanged handling
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during ownerchange
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Change-Id: Id9c12b7ce6458348890d7c7ff7fdb2cd37c4601c
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---
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vcl/unx/gtk3/gtk3gtkinst.cxx | 55 ++++++++++++++++++++++++++------------------
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1 file changed, 32 insertions(+), 23 deletions(-)
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diff --git a/vcl/unx/gtk3/gtk3gtkinst.cxx b/vcl/unx/gtk3/gtk3gtkinst.cxx
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index 7c04b1d..7148882 100644
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--- a/vcl/unx/gtk3/gtk3gtkinst.cxx
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+++ b/vcl/unx/gtk3/gtk3gtkinst.cxx
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@@ -364,6 +364,29 @@ namespace
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}
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}
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+namespace
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+{
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+ void ClipboardGetFunc(GtkClipboard *clipboard, GtkSelectionData *selection_data,
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+ guint info,
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+ gpointer user_data_or_owner)
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+ {
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+ VclGtkClipboard* pThis = static_cast<VclGtkClipboard*>(user_data_or_owner);
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+ pThis->ClipboardGet(clipboard, selection_data, info);
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+ }
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+
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+ void ClipboardClearFunc(GtkClipboard *clipboard, gpointer user_data_or_owner)
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+ {
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+ VclGtkClipboard* pThis = static_cast<VclGtkClipboard*>(user_data_or_owner);
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+ pThis->ClipboardClear(clipboard);
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+ }
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+
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+ void handle_owner_change(GtkClipboard *clipboard, GdkEvent *event, gpointer user_data)
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+ {
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+ VclGtkClipboard* pThis = static_cast<VclGtkClipboard*>(user_data);
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+ pThis->OwnerPossiblyChanged(clipboard, event);
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+ }
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+}
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+
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void VclGtkClipboard::OwnerPossiblyChanged(GtkClipboard* clipboard, GdkEvent* /*event*/)
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{
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if (!m_aContents.is())
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@@ -376,6 +399,10 @@ void VclGtkClipboard::OwnerPossiblyChanged(GtkClipboard* clipboard, GdkEvent* /*
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//our pid, in which case it's us.
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bool bSelf = false;
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+ //disconnect and reconnect after gtk_clipboard_wait_for_targets to
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+ //avoid possible recursion
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+ g_signal_handler_disconnect(clipboard, m_nOwnerChangedSignalId);
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+
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OString sTunnel = "application/x-libreoffice-internal-id-" + getPID();
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GdkAtom *targets;
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gint n_targets;
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@@ -394,6 +421,9 @@ void VclGtkClipboard::OwnerPossiblyChanged(GtkClipboard* clipboard, GdkEvent* /*
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g_free(targets);
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}
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+ m_nOwnerChangedSignalId = g_signal_connect(clipboard, "owner-change",
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+ G_CALLBACK(handle_owner_change), this);
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+
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if (!bSelf)
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{
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//null out m_aContents to return control to the system-one which
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@@ -486,29 +516,6 @@ void VclToGtkHelper::setSelectionData(const Reference<css::datatransfer::XTransf
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aData.getLength());
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}
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-namespace
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-{
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- void ClipboardGetFunc(GtkClipboard *clipboard, GtkSelectionData *selection_data,
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- guint info,
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- gpointer user_data_or_owner)
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- {
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- VclGtkClipboard* pThis = static_cast<VclGtkClipboard*>(user_data_or_owner);
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- pThis->ClipboardGet(clipboard, selection_data, info);
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- }
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-
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- void ClipboardClearFunc(GtkClipboard *clipboard, gpointer user_data_or_owner)
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- {
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- VclGtkClipboard* pThis = static_cast<VclGtkClipboard*>(user_data_or_owner);
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- pThis->ClipboardClear(clipboard);
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- }
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-
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- void handle_owner_change(GtkClipboard *clipboard, GdkEvent *event, gpointer user_data)
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- {
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- VclGtkClipboard* pThis = static_cast<VclGtkClipboard*>(user_data);
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- pThis->OwnerPossiblyChanged(clipboard, event);
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- }
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-}
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-
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VclGtkClipboard::VclGtkClipboard(GdkAtom nSelection)
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: cppu::WeakComponentImplHelper<datatransfer::clipboard::XSystemClipboard,
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datatransfer::clipboard::XFlushableClipboard, XServiceInfo>
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@@ -539,6 +546,7 @@ VclGtkClipboard::~VclGtkClipboard()
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if (!m_aGtkTargets.empty())
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{
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gtk_clipboard_clear(clipboard);
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+ ClipboardClear(clipboard);
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}
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assert(m_aGtkTargets.empty());
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}
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@@ -602,6 +610,7 @@ void VclGtkClipboard::setContents(
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if (!m_aGtkTargets.empty())
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{
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gtk_clipboard_clear(clipboard);
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+ ClipboardClear(clipboard);
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}
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assert(m_aGtkTargets.empty());
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if (m_aContents.is())
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--
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2.7.4
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