From 47cf35720fc73be59707bc520b7bdfbe93cb0c2e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Mon, 5 Aug 2013 14:08:23 +0200
Subject: [PATCH] Present Window's close button ported to QtQuick 2

---
 effects/CMakeLists.txt                    |  1 +
 effects/presentwindows/main.qml           |  9 +++---
 effects/presentwindows/presentwindows.cpp | 34 ++++++++---------------
 effects/presentwindows/presentwindows.h   |  8 +++---
 4 files changed, 21 insertions(+), 31 deletions(-)

diff --git a/effects/CMakeLists.txt b/effects/CMakeLists.txt
index 4190d47f5d..7ab4ba1f34 100644
--- a/effects/CMakeLists.txt
+++ b/effects/CMakeLists.txt
@@ -13,6 +13,7 @@ set(kwin_effect_KDE_LIBS
 
 set(kwin_effect_QT_LIBS
     ${Qt5Declarative_LIBRARIES}
+    ${Qt5Quick_LIBRARIES}
     ${Qt5X11Extras_LIBRARIES}
     ${Qt5DBus_LIBRARIES}
 )
diff --git a/effects/presentwindows/main.qml b/effects/presentwindows/main.qml
index e456a48a30..83af6c07c8 100644
--- a/effects/presentwindows/main.qml
+++ b/effects/presentwindows/main.qml
@@ -17,16 +17,17 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *********************************************************************/
-import QtQuick 1.1
-import org.kde.plasma.components 0.1 as Plasma
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as Plasma
 
 Item {
+    width: 32
+    height: 32
     Plasma.Button {
         id: closeButton
         objectName: "closeButton"
         enabled: armed
-        width: 32
-        height: 32
         iconSource: "window-close"
+        anchors.fill: parent
     }
 }
diff --git a/effects/presentwindows/presentwindows.cpp b/effects/presentwindows/presentwindows.cpp
index c682b9a8cb..21e125e54e 100755
--- a/effects/presentwindows/presentwindows.cpp
+++ b/effects/presentwindows/presentwindows.cpp
@@ -41,8 +41,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <assert.h>
 #include <limits.h>
 #include <QApplication>
-#include <QDeclarativeContext>
-#include <QDeclarativeEngine>
+#include <QQmlContext>
+#include <QQmlEngine>
+#include <QQuickItem>
 #include <QDesktopWidget>
 #include <QGraphicsObject>
 #include <QTimer>
@@ -1478,7 +1479,7 @@ void PresentWindowsEffect::setActive(bool active)
 
         if (!m_doNotCloseWindows) {
             m_closeView = new CloseWindowView();
-            connect(m_closeView, SIGNAL(close()), SLOT(closeWindow()));
+            connect(m_closeView, &CloseWindowView::requestClose, this, &PresentWindowsEffect::closeWindow);
         }
 
         // Add every single window to m_windowData (Just calling [w] creates it)
@@ -1690,12 +1691,12 @@ void PresentWindowsEffect::updateCloseWindow()
         return;
 
     const QRectF rect(m_motionManager.targetGeometry(m_highlightedWindow));
-    if (2*m_closeView->sceneRect().width() > rect.width() && 2*m_closeView->sceneRect().height() > rect.height()) {
+    if (2*m_closeView->width() > rect.width() && 2*m_closeView->height() > rect.height()) {
         // not for tiny windows (eg. with many windows) - they might become unselectable
         m_closeView->hide();
         return;
     }
-    QRect cvr(QPoint(0,0), m_closeView->sceneRect().size().toSize());
+    QRect cvr(QPoint(0,0), m_closeView->size());
     switch (m_closeButtonCorner)
     {
     case Qt::TopLeftCorner:
@@ -1938,31 +1939,18 @@ void PresentWindowsEffect::screenCountChanged()
 /************************************************
 * CloseWindowView
 ************************************************/
-CloseWindowView::CloseWindowView(QWidget *parent)
-    : QDeclarativeView(parent)
+CloseWindowView::CloseWindowView(QWindow *parent)
+    : QQuickView(parent)
     , m_armTimer(new QTimer(this))
 {
-    setWindowFlags(Qt::X11BypassWindowManagerHint);
-    setAttribute(Qt::WA_TranslucentBackground);
-    QPalette pal = palette();
-    pal.setColor(backgroundRole(), Qt::transparent);
-    setPalette(pal);
-    for (const QString &importPath : KGlobal::dirs()->findDirs("module", QStringLiteral("imports"))) {
-        engine()->addImportPath(importPath);
-    }
-#warning Port declarative code to QtQuick2
-#if KWIN_QT5_PORTING
-    KDeclarative kdeclarative;
-    kdeclarative.setDeclarativeEngine(engine());
-    kdeclarative.initialize();
-    kdeclarative.setupBindings();
-#endif
+    setFlags(Qt::X11BypassWindowManagerHint);
+    setColor(Qt::transparent);
 
     rootContext()->setContextProperty(QStringLiteral("armed"), QVariant(false));
 
     setSource(QUrl(KStandardDirs::locate("data", QStringLiteral("kwin/effects/presentwindows/main.qml"))));
     if (QObject *item = rootObject()->findChild<QObject*>(QStringLiteral("closeButton"))) {
-        connect(item, SIGNAL(clicked()), SIGNAL(close()));
+        connect(item, SIGNAL(clicked()), SIGNAL(requestClose()));
     }
 
     // setup the timer - attempt to prevent accidental clicks
diff --git a/effects/presentwindows/presentwindows.h b/effects/presentwindows/presentwindows.h
index dc319ffb91..1733d029d1 100644
--- a/effects/presentwindows/presentwindows.h
+++ b/effects/presentwindows/presentwindows.h
@@ -26,24 +26,24 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <kwineffects.h>
 #include <kshortcut.h>
-#include <QDeclarativeView>
+#include <QQuickView>
 
 class QTimer;
 
 namespace KWin
 {
-class CloseWindowView : public QDeclarativeView
+class CloseWindowView : public QQuickView
 {
     Q_OBJECT
 public:
-    explicit CloseWindowView(QWidget *parent = 0);
+    explicit CloseWindowView(QWindow *parent = 0);
     void windowInputMouseEvent(QMouseEvent* e);
     void disarm();
 public Q_SLOTS:
     void arm();
 
 Q_SIGNALS:
-    void close();
+    void requestClose();
 
 private:
     QTimer* m_armTimer;