Changeset 321 for trunk/src/gui/kernel/qclipboard_pm.cpp

Timestamp:

Nov 14, 2009, 3:06:49 PM (16 years ago)

Author:

Dmitry A. Kuminov

Message:

gui/kernel: Prototyped QPMMime and QClipboard helpers.

File:

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

trunk/src/gui/kernel/qclipboard_pm.cpp

@@ -57 +57 @@
 QT_BEGIN_NAMESPACE
 
+////////////////////////////////////////////////////////////////////////////////
+
+class QClipboardWatcher : public QInternalMimeData
+{
+public:
+    QClipboardWatcher() {}
+
+    bool hasFormat_sys(const QString &mimetype) const;
+    QStringList formats_sys() const;
+    QVariant retrieveData_sys(const QString &mimetype, QVariant::Type preferredType) const;
+};
+
+bool QClipboardWatcher::hasFormat_sys(const QString &mime) const
+{
+    bool ok = false;
+    if (WinOpenClipbrd(NULLHANDLE)) {
+        ULONG cf = 0;
+        while ((cf = WinEnumClipbrdFmts(NULLHANDLE, cf))) {
+            if (QPMMime::converterToMime(mime, cf)) {
+                ok = true;
+                break;
+            }
+        }
+        WinCloseClipbrd(NULLHANDLE);
+    }
+#ifndef QT_NO_DEBUG
+    else
+        qWarning("QClipboardWatcher: WinOpenClipbrd failed with %lX",
+                 WinGetLastError(NULLHANDLE));
+#endif
+    return ok;
+}
+
+QStringList QClipboardWatcher::formats_sys() const
+{
+    QStringList fmts;
+    if (WinOpenClipbrd(NULLHANDLE)) {
+        fmts = QPMMime::allMimesForFormats();
+        WinCloseClipbrd(NULLHANDLE);
+    }
+#ifndef QT_NO_DEBUG
+    else
+        qWarning("QClipboardWatcher: WinOpenClipbrd failed with %lX",
+                 WinGetLastError(NULLHANDLE));
+#endif
+    return fmts;
+}
+
+QVariant QClipboardWatcher::retrieveData_sys(const QString &mime,
+                                             QVariant::Type type) const
+{
+    QStringList fmts;
+    if (WinOpenClipbrd(NULLHANDLE)) {
+        // @todo enumerate all formats and select the best converter
+        QPMMime *converter = QPMMime::converterToMime(mime, cf);
+        if (converter)
+            result = converter->convertToMime(mime, cf, type);
+        WinCloseClipbrd(NULLHANDLE);
+    }
+#ifndef QT_NO_DEBUG
+    else
+        qWarning("QClipboardWatcher: WinOpenClipbrd failed with %lX",
+                 WinGetLastError(NULLHANDLE));
+#endif
+    return fmts;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+class QClipboardData
+{
+public:
+    QClipboardData();
+    ~QClipboardData();
+
+    // @todo ...
+
+private:
+};
+
+QClipboardData::QClipboardData()
+{
+}
+
+QClipboardData::~QClipboardData()
+{
+}
+
+static QClipboardData *ptrClipboardData = 0;
+
+static QClipboardData *clipboardData()
+{
+    if (ptrClipboardData == 0) {
+        ptrClipboardData = new QClipboardData;
+        // @todo ...
+    }
+    return ptrClipboardData;
+}
+
+static void cleanupClipboardData()
+{
+    delete ptrClipboardData;
+    ptrClipboardData = 0;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
 QClipboard::~QClipboard()
 {
-    // @todo implement
+    cleanupClipboardData();
 }