File xcb-handle-screen-siblings-in-QXcbVirtualDeskto... of Package libqt5-qtbase.2170

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File xcb-handle-screen-siblings-in-QXcbVirtualDesktop.patch of Package libqt5-qtbase.2170

From 8beec998999b0ad7abf3192069c649b64aa999f5 Mon Sep 17 00:00:00 2001
From: Alexander Volkov <a.volkov@rusbitech.ru>
Date: Thu, 5 Nov 2015 18:31:32 +0300
Subject: [PATCH] xcb: Handle screen siblings in QXcbVirtualDesktop
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Change-Id: I2f3c3ad75bb3914667cf6f27dc2d91aac103607b
Reviewed-by: Błażej Szczygieł <spaz16@wp.pl>
Reviewed-by: Shawn Rutledge <shawn.rutledge@theqtcompany.com>
---
 src/plugins/platforms/xcb/qxcbconnection.cpp | 15 +++++----------
 src/plugins/platforms/xcb/qxcbscreen.cpp     |  5 +++++
 src/plugins/platforms/xcb/qxcbscreen.h       | 12 +++++++-----
 3 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp
index a20d957..e4eaeef 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection.cpp
@@ -263,8 +263,7 @@ void QXcbConnection::updateScreens(const xcb_randr_notify_event_t *event)
 
             // Known screen removed -> delete it
             m_screens.removeOne(screen);
-            foreach (QXcbScreen *otherScreen, m_screens)
-                otherScreen->removeVirtualSibling((QPlatformScreen *) screen);
+            virtualDesktop->removeScreen(screen);
 
             QXcbIntegration::instance()->destroyScreen(screen);
 
@@ -283,9 +282,7 @@ void QXcbConnection::updateScreens(const xcb_randr_notify_event_t *event)
                 qCDebug(lcQpaScreen) << "output" << screen->name() << "is connected and enabled";
 
                 screen->setPrimary(checkOutputIsPrimary(output.window, output.output));
-                foreach (QXcbScreen *otherScreen, m_screens)
-                    if (otherScreen->root() == output.window)
-                        otherScreen->addVirtualSibling(screen);
+                virtualDesktop->addScreen(screen);
                 m_screens << screen;
                 QXcbIntegration::instance()->screenAdded(screen, screen->isPrimary());
 
@@ -308,8 +305,7 @@ void QXcbConnection::updateScreens(const xcb_randr_notify_event_t *event)
                 if (outputInfo->crtc == XCB_NONE) {
                     qCDebug(lcQpaScreen) << "output" << screen->name() << "has been disabled";
                     m_screens.removeOne(screen);
-                    foreach (QXcbScreen *otherScreen, m_screens)
-                        otherScreen->removeVirtualSibling((QPlatformScreen *) screen);
+                    virtualDesktop->removeScreen(screen);
                     QXcbIntegration::instance()->destroyScreen(screen);
                 } else {
                     qCDebug(lcQpaScreen) << "output" << screen->name() << "has been temporarily disabled for the mode switch";
@@ -443,8 +439,7 @@ void QXcbConnection::initializeScreens()
                 }
             }
         }
-        foreach (QPlatformScreen* s, siblings)
-            ((QXcbScreen*)s)->setVirtualSiblings(siblings);
+        virtualDesktop->setScreens(siblings);
         xcb_screen_next(&it);
         ++xcbScreenNumber;
     } // for each xcb screen
@@ -460,7 +455,7 @@ void QXcbConnection::initializeScreens()
     QXcbVirtualDesktop *virtualDesktop = m_virtualDesktops.value(0);
     if (virtualDesktop && !hasOutputs && !virtualDesktop->size().isEmpty() && m_screens.isEmpty()) {
         QXcbScreen *screen = createScreen(virtualDesktop, 0, Q_NULLPTR);
-        screen->setVirtualSiblings(QList<QPlatformScreen *>() << screen);
+        virtualDesktop->setScreens(QList<QPlatformScreen *>() << screen);
         m_screens << screen;
         primaryScreen = screen;
         primaryScreen->setPrimary(true);
diff --git a/src/plugins/platforms/xcb/qxcbscreen.cpp b/src/plugins/platforms/xcb/qxcbscreen.cpp
index 0aa5810..9b24884 100644
--- a/src/plugins/platforms/xcb/qxcbscreen.cpp
+++ b/src/plugins/platforms/xcb/qxcbscreen.cpp
@@ -74,6 +74,11 @@ QXcbScreen *QXcbVirtualDesktop::screenAt(const QPoint &pos) const
     return Q_NULLPTR;
 }
 
+void QXcbVirtualDesktop::addScreen(QPlatformScreen *s)
+{
+    ((QXcbScreen *) s)->isPrimary() ? m_screens.prepend(s) : m_screens.append(s);
+}
+
 QXcbXSettings *QXcbVirtualDesktop::xSettings() const
 {
     if (!m_xSettings) {
diff --git a/src/plugins/platforms/xcb/qxcbscreen.h b/src/plugins/platforms/xcb/qxcbscreen.h
index 51c92a4..7b5d3cb 100644
--- a/src/plugins/platforms/xcb/qxcbscreen.h
+++ b/src/plugins/platforms/xcb/qxcbscreen.h
@@ -68,6 +68,11 @@ public:
     xcb_window_t root() const { return m_screen->root; }
     QXcbScreen *screenAt(const QPoint &pos) const;
 
+    QList<QPlatformScreen *> screens() const { return m_screens; }
+    void setScreens(QList<QPlatformScreen *> sl) { m_screens = sl; }
+    void removeScreen(QPlatformScreen *s) { m_screens.removeOne(s); }
+    void addScreen(QPlatformScreen *s);
+
     QXcbXSettings *xSettings() const;
 
     bool compositingActive() const;
@@ -78,6 +83,7 @@ public:
 private:
     xcb_screen_t *m_screen;
     int m_number;
+    QList<QPlatformScreen *> m_screens;
 
     QXcbXSettings *m_xSettings;
     xcb_atom_t m_net_wm_cm_atom;
@@ -110,10 +116,7 @@ public:
     QPlatformCursor *cursor() const Q_DECL_OVERRIDE;
     qreal refreshRate() const Q_DECL_OVERRIDE { return m_refreshRate; }
     Qt::ScreenOrientation orientation() const Q_DECL_OVERRIDE { return m_orientation; }
-    QList<QPlatformScreen *> virtualSiblings() const Q_DECL_OVERRIDE { return m_siblings; }
-    void setVirtualSiblings(QList<QPlatformScreen *> sl) { m_siblings = sl; }
-    void removeVirtualSibling(QPlatformScreen *s) { m_siblings.removeOne(s); }
-    void addVirtualSibling(QPlatformScreen *s) { ((QXcbScreen *) s)->isPrimary() ? m_siblings.prepend(s) : m_siblings.append(s); }
+    QList<QPlatformScreen *> virtualSiblings() const Q_DECL_OVERRIDE { return m_virtualDesktop->screens(); }
     QXcbVirtualDesktop *virtualDesktop() const { return m_virtualDesktop; }
 
     void setPrimary(bool primary) { m_primary = primary; }
@@ -171,7 +174,6 @@ private:
     QRect m_availableGeometry;
     QSize m_virtualSize;
     QSizeF m_virtualSizeMillimeters;
-    QList<QPlatformScreen *> m_siblings;
     Qt::ScreenOrientation m_orientation;
     QString m_windowManagerName;
     bool m_syncRequestSupported;
-- 
2.6.3

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File xcb-handle-screen-siblings-in-QXcbVirtualDesktop.patch of Package libqt5-qtbase.2170

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