QmlDesigner.PropertyEditor: Enabling tooltips for labels

The old property editor did support tooltips and many labels
have properly defiend tooltips.
In QtQuick.Controls we have to use private API for tooltips
to show up.

Change-Id: If1c50b58e8388b8846c2dd07fcd326f09d67d127
Reviewed-by: Marco Bubke <marco.bubke@digia.com>

3 files changed, 58 insertions, 4 deletions

diff --git a/share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/Label.qml b/share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/Label.qml
index 3395542cda..9a209cb094 100644
--- a/share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/Label.qml
+++ b/share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/Label.qml
@@ -30,11 +30,12 @@
 import QtQuick 2.1
 import QtQuick.Controls 1.1 as Controls
 import QtQuick.Layouts 1.0
+import QtQuick.Controls.Private 1.0
 
 Controls.Label {
     id: label
 
-    property string toolTip: ""
+    property alias toolTip: toolTipArea.toolTip
 
     width:  parent.width < 300 ? 80 : Math.min(140, parent.width - 220)
     color: "#eee"
@@ -44,7 +45,9 @@ Controls.Label {
     Layout.minimumWidth: width
     Layout.maximumWidth: width
 
-//    Component.onCompleted: {
-//        label.Layout.preferredWidth = width
-//    }
+    ToolTipArea {
+        id: toolTipArea
+        anchors.fill: parent
+        toolTip: label.text
+    }
 }
diff --git a/share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/ToolTipArea.qml b/share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/ToolTipArea.qml
new file mode 100644
index 0000000000..7e1da82fbc
--- /dev/null
+++ b/share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/ToolTipArea.qml
@@ -0,0 +1,50 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+import QtQuick 2.1
+import QtQuick.Controls 1.1 as Controls
+import QtQuick.Layouts 1.0
+import QtQuick.Controls.Private 1.0
+
+MouseArea {
+    id: mouseArea
+
+    onExited: Tooltip.hideText()
+    onCanceled: Tooltip.hideText()
+
+    hoverEnabled: true
+
+    property string toolTip
+
+    Timer {
+        interval: 1000
+        running: mouseArea.containsMouse && toolTip.length
+        onTriggered: Tooltip.showText(mouseArea, Qt.point(mouseArea.mouseX, mouseArea.mouseY), toolTip)
+    }
+}
diff --git a/share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/qmldir b/share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/qmldir
index 7f22ccec86..e474f5e3ce 100644
--- a/share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/qmldir
+++ b/share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/qmldir
@@ -38,3 +38,4 @@ CustomComboBoxStyle 2.0 CustomComboBoxStyle.qml
 CustomSpinBoxStyle 2.0 CustomSpinBoxStyle.qml
 CustomCheckBoxStyle 2.0 CustomCheckBoxStyle.qml
 ColorLogic 2.0 ColorLogic.qml
+ToolTipArea 2.0 ToolTipArea.qml