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124 lines
4.3 KiB
124 lines
4.3 KiB
From 7a0096ba99d7a71ae9f45d7c0011d0ebb1eae23d Mon Sep 17 00:00:00 2001
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From: Kai Uwe Broulik <kde@privat.broulik.de>
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Date: Thu, 25 Feb 2016 22:16:22 +0100
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Subject: [PATCH 4/5] [User Switcher] Fix session switching when automatic
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screen locking is enabled
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When automatic screen locking is enabled, we want to ensure the screen is fully locked
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before we switch sessions or go to the login screen to avoid brief exposure of the desktop
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when we return.
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This check happens asynchronously and because the User Switcher dialog closes immediately
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after issuing the switch request, the SessionsModel is already destroyed and the reply is never
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actually processed.
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BUG: 356945
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FIXED-IN: 5.5.5
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Differential Revision: https://phabricator.kde.org/D1020
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---
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components/sessionsprivate/sessionsmodel.cpp | 6 ++++++
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components/sessionsprivate/sessionsmodel.h | 4 +++-
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lookandfeel/contents/userswitcher/UserSwitcher.qml | 7 +++++--
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3 files changed, 14 insertions(+), 3 deletions(-)
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diff --git a/components/sessionsprivate/sessionsmodel.cpp b/components/sessionsprivate/sessionsmodel.cpp
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index 3e3a987..600e682 100644
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--- a/components/sessionsprivate/sessionsmodel.cpp
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+++ b/components/sessionsprivate/sessionsmodel.cpp
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@@ -45,8 +45,10 @@ SessionsModel::SessionsModel(QObject *parent)
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if (active) {
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if (m_pendingVt) {
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m_displayManager.switchVT(m_pendingVt);
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+ emit switchedUser(m_pendingVt);
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} else if (m_pendingReserve) {
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m_displayManager.startReserve();
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+ emit startNewSession();
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}
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m_pendingVt = 0;
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@@ -78,6 +80,7 @@ void SessionsModel::switchUser(int vt, bool shouldLock)
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if (!shouldLock) {
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m_displayManager.switchVT(vt);
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+ emit switchedUser(vt);
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return;
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}
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@@ -85,6 +88,7 @@ void SessionsModel::switchUser(int vt, bool shouldLock)
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if (locked) {
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// already locked, switch right away
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m_displayManager.switchVT(vt);
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+ emit switchedUser(vt);
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} else {
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m_pendingReserve = false;
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m_pendingVt = vt;
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@@ -101,6 +105,7 @@ void SessionsModel::startNewSession(bool shouldLock)
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if (!shouldLock) {
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m_displayManager.startReserve();
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+ emit startedNewSession();
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return;
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}
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@@ -108,6 +113,7 @@ void SessionsModel::startNewSession(bool shouldLock)
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if (locked) {
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// already locked, switch right away
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m_displayManager.startReserve();
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+ emit startedNewSession();
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} else {
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m_pendingReserve = true;
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m_pendingVt = 0;
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diff --git a/components/sessionsprivate/sessionsmodel.h b/components/sessionsprivate/sessionsmodel.h
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index fe7af32..827bd04 100644
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--- a/components/sessionsprivate/sessionsmodel.h
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+++ b/components/sessionsprivate/sessionsmodel.h
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@@ -86,9 +86,11 @@ public:
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signals:
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void shouldLockChanged();
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-
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void countChanged();
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+ void switchedUser(int vt);
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+ void startedNewSession();
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+
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private:
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void checkScreenLocked(const std::function<void (bool)> &cb);
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diff --git a/lookandfeel/contents/userswitcher/UserSwitcher.qml b/lookandfeel/contents/userswitcher/UserSwitcher.qml
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index 6dd1932..da961a9 100644
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--- a/lookandfeel/contents/userswitcher/UserSwitcher.qml
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+++ b/lookandfeel/contents/userswitcher/UserSwitcher.qml
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@@ -38,6 +38,11 @@ Item {
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SessionsModel {
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id: sessionsModel
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+ // the calls takes place asynchronously; if we were to dismiss the dialog right
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+ // after startNewSession/switchUser we would be destroyed before the reply
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+ // returned leaving us do nothing (Bug 356945)
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+ onStartedNewSession: root.dismissed()
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+ onSwitchedUser: root.dismissed()
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}
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Controls.Action {
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@@ -125,7 +130,6 @@ Item {
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visible: sessionsModel.canStartNewSession
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onClicked: {
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sessionsModel.startNewSession(sessionsModel.shouldLock)
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- root.dismissed()
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}
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}
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@@ -148,7 +152,6 @@ Item {
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visible: sessionsModel.count > 0
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onClicked: {
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sessionsModel.switchUser(block.mainItem.selectedItem.vtNumber, sessionsModel.shouldLock)
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- root.dismissed()
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}
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Controls.Action {
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--
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2.5.0
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