From e7f7d1f20ed691a274dcf07801baa17f7a8aabf9 Mon Sep 17 00:00:00 2001
From: Alessandro Portale <aportale@trolltech.com>
Date: Fri, 22 May 2009 13:18:59 +0200
Subject: Added helper softKeyStackOfWidget. It returns the stack of the
 MainWindow of a widget (which might want to push its actions to the stack)

---
 src/gui/widgets/qsoftkeystack.cpp | 16 ++++++++++++++++
 src/gui/widgets/qsoftkeystack.h   |  3 +++
 2 files changed, 19 insertions(+)

diff --git a/src/gui/widgets/qsoftkeystack.cpp b/src/gui/widgets/qsoftkeystack.cpp
index ae58e8d..723b9bf 100644
--- a/src/gui/widgets/qsoftkeystack.cpp
+++ b/src/gui/widgets/qsoftkeystack.cpp
@@ -165,6 +165,22 @@ void QSoftKeyStack::handleSoftKeyPress(int command)
     d->handleSoftKeyPress(command);
 }
 
+QMainWindow *QSoftKeyStack::mainWindowOfWidget(QWidget *widget)
+{
+    QWidget *widgetParent = widget;
+    while (widgetParent = widgetParent->parentWidget())
+        if (QMainWindow *mainWindow = qobject_cast<QMainWindow*>(widgetParent))
+            return mainWindow;
+
+    return 0;
+}
+
+QSoftKeyStack *QSoftKeyStack::softKeyStackOfWidget(QWidget *widget)
+{
+    QMainWindow *mainWindow = mainWindowOfWidget(widget);
+    return mainWindow ? mainWindow->softKeyStack() : 0;
+}
+
 #if !defined(Q_WS_S60)
 void QSoftKeyStackPrivate::handleSoftKeyPress(int command)
 {
diff --git a/src/gui/widgets/qsoftkeystack.h b/src/gui/widgets/qsoftkeystack.h
index c9a05c3..7c955da 100644
--- a/src/gui/widgets/qsoftkeystack.h
+++ b/src/gui/widgets/qsoftkeystack.h
@@ -69,6 +69,9 @@ public:
 
     void handleSoftKeyPress(int command);
 
+    static QMainWindow *mainWindowOfWidget(QWidget *widget);
+    static QSoftKeyStack *softKeyStackOfWidget(QWidget *widget);
+
 private Q_SLOTS:
     void handleFocusChanged(QWidget *old, QWidget *now);
 
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