Changeset 115 for trunk/src/gui/kernel/qwidget.cpp

Timestamp:

Aug 17, 2009, 7:06:32 AM (16 years ago)

Author:

Dmitry A. Kuminov

Message:

gui: Added OS/2 support to QRasterWindowSurface and to QNativeImage (this gives us rendering of the widget contents in double-buffer mode).

File:

• trunk/src/gui/kernel/qwidget.cpp (modified) (1 diff)

trunk/src/gui/kernel/qwidget.cpp

@@ -10359 +10359 @@
         qErrnoWarning("QWidget::releaseDC(): failed to release HDC");
 }
+#elif defined (Q_WS_PM)
+/*!
+    Returns the window system handle of the widget, for low-level
+    access. Using this function is not portable.
+
+    An HPS acquired with getPS() has to be released with releasePS().
+
+    \warning Using this function is not portable.
+*/
+HPS QWidget::getPS() const
+{
+    Q_D(const QWidget);
+    if (d->hd != NULLHANDLE)
+        return (HPS) d->hd;
+    return WinGetPS(winId());
+}
+
+/*!
+    Releases the HPS \a hdc acquired by a previous call to getPS().
+
+    \warning Using this function is not portable.
+*/
+void QWidget::releasePS(HPS hps) const
+{
+    Q_D(const QWidget);
+    // If there is a widget's own ps, the release operation is ignored because
+    // it will be released elsewhere. Otherwise, we assume that the given hps
+    // was acquired by WinGetPS in the getPS() call and release it.
+    if (d->hd == NULLHANDLE)
+        WinReleasePS(hps);
+}
 #else
 /*!