QWindow::mapToGlobal/mapFromGlobal and move()

Change-Id: If1909b9ce468a8708cb25d5a2fbe8ebd90bd958a
Reviewed-on: http://codereview.qt.nokia.com/3702
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>

3 files changed, 51 insertions, 0 deletions

diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp
index d850cd6020..6fbc249631 100644
--- a/src/gui/kernel/qwindow.cpp
+++ b/src/gui/kernel/qwindow.cpp
@@ -631,6 +631,41 @@ void QWindow::wheelEvent(QWheelEvent *)
 }
 #endif //QT_NO_WHEELEVENT
 
+
+
+/*!
+    \fn QPoint QWindow::mapToGlobal(const QPoint &pos) const
+
+    Translates the window coordinate \a pos to global screen
+    coordinates. For example, \c{mapToGlobal(QPoint(0,0))} would give
+    the global coordinates of the top-left pixel of the window.
+
+    \sa mapFromGlobal()
+*/
+
+QPoint QWindow::mapToGlobal(const QPoint &pos) const
+{
+    return pos + d_func()->globalPosition();
+}
+
+
+
+/*!
+    \fn QPoint QWindow::mapFromGlobal(const QPoint &pos) const
+
+    Translates the global screen coordinate \a pos to window
+    coordinates.
+
+    \sa mapToGlobal()
+*/
+
+QPoint QWindow::mapFromGlobal(const QPoint &pos) const
+{
+    return pos - d_func()->globalPosition();
+}
+
+
+
 Q_GUI_EXPORT QWindowPrivate *qt_window_private(QWindow *window)
 {
     return window->d_func();
diff --git a/src/gui/kernel/qwindow.h b/src/gui/kernel/qwindow.h
index 6c8fda5768..c64ad13363 100644
--- a/src/gui/kernel/qwindow.h
+++ b/src/gui/kernel/qwindow.h
@@ -155,6 +155,7 @@ public:
     void setBaseSize(const QSize &size);
     void setSizeIncrement(const QSize &size);
 
+    void setGeometry(int x, int y, int w, int h) { setGeometry(QRect(x, y, w, h)); }
     void setGeometry(const QRect &rect);
     QRect geometry() const;
 
@@ -166,6 +167,9 @@ public:
     inline QSize size() const { return geometry().size(); }
     inline QPoint pos() const { return geometry().topLeft(); }
 
+    inline void move(const QPoint &pt) { setGeometry(QRect(pt, size())); }
+    inline void move(int x, int y) { move(QPoint(x, y)); }
+
     inline void resize(const QSize &size) { setGeometry(QRect(pos(), size)); }
     inline void resize(int w, int h) { setGeometry(QRect(x(), y(), w, h)); }
 
@@ -183,6 +187,9 @@ public:
     QScreen *screen() const;
     void setScreen(QScreen *screen);
 
+    QPoint mapToGlobal(const QPoint &pos) const;
+    QPoint mapFromGlobal(const QPoint &pos) const;
+
 public Q_SLOTS:
     inline void show() { setVisible(true); }
     inline void hide() { setVisible(false); }
diff --git a/src/gui/kernel/qwindow_p.h b/src/gui/kernel/qwindow_p.h
index 0a051ae965..38b90fdd73 100644
--- a/src/gui/kernel/qwindow_p.h
+++ b/src/gui/kernel/qwindow_p.h
@@ -81,6 +81,15 @@ public:
 
     void maybeQuitOnLastWindowClosed();
 
+    QPoint globalPosition() const {
+        Q_Q(const QWindow);
+        QPoint offset = q->pos();
+        for (const QWindow *p = q->parent(); p; p = p->parent())
+            offset += p->pos();
+        return offset;
+    }
+
+
     QWindow::SurfaceType surfaceType;
     Qt::WindowFlags windowFlags;
     QWindow *parentWindow;