From 797d44e7415e8f9d582dd2838957cf309cea9449 Mon Sep 17 00:00:00 2001
From: Warwick Allison <warwick.allison@nokia.com>
Date: Tue, 11 May 2010 09:01:51 +1000
Subject: Temporary work-around for QTBUG-9849. May allow better
 experimentation and bug fixing.

---
 tools/qml/main.cpp       |  6 ++++++
 tools/qml/qmlruntime.cpp | 11 +++++++++++
 tools/qml/qmlruntime.h   |  2 ++
 3 files changed, 19 insertions(+)

diff --git a/tools/qml/main.cpp b/tools/qml/main.cpp
index fb687ac..116ca71 100644
--- a/tools/qml/main.cpp
+++ b/tools/qml/main.cpp
@@ -231,6 +231,7 @@ int main(int argc, char ** argv)
     bool stayOnTop = false;
     bool maximized = false;
     bool useNativeFileBrowser = true;
+    bool experimentalGestures = false;
 
     WarningsConfig warningsConfig = DefaultWarnings;
     bool sizeToView = true;
@@ -334,6 +335,8 @@ int main(int argc, char ** argv)
             sizeToView = false;
         } else if (arg == "-sizerootobjecttoview") {
             sizeToView = true;
+        } else if (arg == "-experimentalgestures") {
+            experimentalGestures = true;
         } else if (arg[0] != '-') {
             fileName = arg;
         } else if (1 || arg == "-help") {
@@ -403,6 +406,9 @@ int main(int argc, char ** argv)
     }
 #endif
 
+    if (experimentalGestures)
+        viewer->enableExperimentalGestures();
+
     foreach (QString lib, imports)
         viewer->addLibraryPath(lib);
 
diff --git a/tools/qml/qmlruntime.cpp b/tools/qml/qmlruntime.cpp
index 06fa004..16b0ffb 100644
--- a/tools/qml/qmlruntime.cpp
+++ b/tools/qml/qmlruntime.cpp
@@ -501,6 +501,7 @@ QDeclarativeViewer::QDeclarativeViewer(QWidget *parent, Qt::WindowFlags flags)
     }
 
     canvas = new QDeclarativeView(this);
+
     canvas->setAttribute(Qt::WA_OpaquePaintEvent);
     canvas->setAttribute(Qt::WA_NoSystemBackground);
 
@@ -550,6 +551,16 @@ QDeclarativeViewer::~QDeclarativeViewer()
     delete namFactory;
 }
 
+void QDeclarativeViewer::enableExperimentalGestures()
+{
+    canvas->viewport()->grabGesture(Qt::TapGesture,Qt::DontStartGestureOnChildren|Qt::ReceivePartialGestures|Qt::IgnoredGesturesPropagateToParent);
+    canvas->viewport()->grabGesture(Qt::TapAndHoldGesture,Qt::DontStartGestureOnChildren|Qt::ReceivePartialGestures|Qt::IgnoredGesturesPropagateToParent);
+    canvas->viewport()->grabGesture(Qt::PanGesture,Qt::DontStartGestureOnChildren|Qt::ReceivePartialGestures|Qt::IgnoredGesturesPropagateToParent);
+    canvas->viewport()->grabGesture(Qt::PinchGesture,Qt::DontStartGestureOnChildren|Qt::ReceivePartialGestures|Qt::IgnoredGesturesPropagateToParent);
+    canvas->viewport()->grabGesture(Qt::SwipeGesture,Qt::DontStartGestureOnChildren|Qt::ReceivePartialGestures|Qt::IgnoredGesturesPropagateToParent);
+    canvas->viewport()->setAttribute(Qt::WA_AcceptTouchEvents);
+}
+
 int QDeclarativeViewer::menuBarHeight() const
 {
     if (!(windowFlags() & Qt::FramelessWindowHint))
diff --git a/tools/qml/qmlruntime.h b/tools/qml/qmlruntime.h
index 9551090..b021d0d 100644
--- a/tools/qml/qmlruntime.h
+++ b/tools/qml/qmlruntime.h
@@ -112,6 +112,8 @@ public:
     QDeclarativeView *view() const;
     LoggerWidget *warningsWidget() const;
 
+    void enableExperimentalGestures();
+
 public slots:
     void sceneResized(QSize size);
     bool open(const QString&);
-- 
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