Long live Qt 4.5!

1 files changed, 255 insertions, 0 deletions

diff --git a/src/gui/kernel/qole_win.cpp b/src/gui/kernel/qole_win.cpp
new file mode 100644
index 0000000..143b931
--- /dev/null
+++ b/src/gui/kernel/qole_win.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdnd_p.h"
+
+#if !(defined(QT_NO_DRAGANDDROP) && defined(QT_NO_CLIPBOARD))
+
+#if defined(Q_OS_WINCE)
+#include <shlobj.h>
+#include "qguifunctions_wince.h"
+#endif
+
+QT_BEGIN_NAMESPACE
+
+QOleEnumFmtEtc::QOleEnumFmtEtc(const QVector<FORMATETC> &fmtetcs)
+{
+    m_isNull = false;
+    m_dwRefs = 1;
+    m_nIndex = 0;
+
+    for (int idx = 0; idx < fmtetcs.count(); ++idx) {
+        LPFORMATETC destetc = new FORMATETC();
+        if (copyFormatEtc(destetc, (LPFORMATETC)&(fmtetcs.at(idx)))) {
+            m_lpfmtetcs.append(destetc);
+        } else {
+            m_isNull = true;
+            delete destetc;
+            break;
+        }
+    }
+}
+
+QOleEnumFmtEtc::QOleEnumFmtEtc(const QVector<LPFORMATETC> &lpfmtetcs)
+{
+    m_isNull = false;
+    m_dwRefs = 1;
+    m_nIndex = 0;
+
+    for (int idx = 0; idx < lpfmtetcs.count(); ++idx) {
+        LPFORMATETC srcetc = lpfmtetcs.at(idx);
+        LPFORMATETC destetc = new FORMATETC();
+        if (copyFormatEtc(destetc, srcetc)) {
+            m_lpfmtetcs.append(destetc);
+        } else {
+            m_isNull = true;
+            delete destetc;
+            break;
+        }
+    }
+}
+
+QOleEnumFmtEtc::~QOleEnumFmtEtc()
+{
+    LPMALLOC pmalloc;
+
+#if !defined(Q_OS_WINCE)
+    if (CoGetMalloc(MEMCTX_TASK, &pmalloc) == NOERROR) {
+#else
+    if (SHGetMalloc(&pmalloc) == NOERROR) {
+#endif
+        for (int idx = 0; idx < m_lpfmtetcs.count(); ++idx) {
+            LPFORMATETC tmpetc = m_lpfmtetcs.at(idx);
+            if (tmpetc->ptd)
+                pmalloc->Free(tmpetc->ptd);
+            delete tmpetc;
+        }
+
+        pmalloc->Release();
+    }
+    m_lpfmtetcs.clear();
+}
+
+bool QOleEnumFmtEtc::isNull() const
+{
+    return m_isNull;
+}
+
+// IUnknown methods
+STDMETHODIMP
+QOleEnumFmtEtc::QueryInterface(REFIID riid, void FAR* FAR* ppvObj)
+{
+    if (riid == IID_IUnknown || riid == IID_IEnumFORMATETC) {
+        *ppvObj = this;
+        AddRef();
+        return NOERROR;
+    }
+    *ppvObj = NULL;
+    return ResultFromScode(E_NOINTERFACE);
+}
+
+STDMETHODIMP_(ULONG)
+QOleEnumFmtEtc::AddRef(void)
+{
+    return ++m_dwRefs;
+}
+
+STDMETHODIMP_(ULONG)
+QOleEnumFmtEtc::Release(void)
+{
+    if (--m_dwRefs == 0) {
+        delete this;
+        return 0;
+    }
+    return m_dwRefs;
+}
+
+// IEnumFORMATETC methods
+STDMETHODIMP
+QOleEnumFmtEtc::Next(ULONG celt, LPFORMATETC rgelt, ULONG FAR* pceltFetched)
+{
+    ULONG i=0;
+    ULONG nOffset;
+
+    if (rgelt == NULL)
+        return ResultFromScode(E_INVALIDARG);
+
+    while (i < celt) {
+        nOffset = m_nIndex + i;
+
+        if (nOffset < ULONG(m_lpfmtetcs.count())) {
+            copyFormatEtc((LPFORMATETC)&(rgelt[i]), m_lpfmtetcs.at(nOffset));
+            i++;
+        } else {
+            break;
+        }
+    }
+
+    m_nIndex += (WORD)i;
+
+    if (pceltFetched != NULL)
+        *pceltFetched = i;
+
+    if (i != celt)
+        return ResultFromScode(S_FALSE);
+
+    return NOERROR;
+}
+
+STDMETHODIMP
+QOleEnumFmtEtc::Skip(ULONG celt)
+{
+    ULONG i=0;
+    ULONG nOffset;
+
+    while (i < celt) {
+        nOffset = m_nIndex + i;
+
+        if (nOffset < ULONG(m_lpfmtetcs.count())) {
+            i++;
+        } else {
+            break;
+        }
+    }
+
+    m_nIndex += (WORD)i;
+
+    if (i != celt)
+        return ResultFromScode(S_FALSE);
+
+    return NOERROR;
+}
+
+STDMETHODIMP
+QOleEnumFmtEtc::Reset()
+{
+    m_nIndex = 0;
+    return NOERROR;
+}
+
+STDMETHODIMP
+QOleEnumFmtEtc::Clone(LPENUMFORMATETC FAR* newEnum)
+{
+    if (newEnum == NULL)
+        return ResultFromScode(E_INVALIDARG);
+
+    QOleEnumFmtEtc *result = new QOleEnumFmtEtc(m_lpfmtetcs);
+    result->m_nIndex = m_nIndex;
+
+    if (result->isNull()) {
+        delete result;
+        return ResultFromScode(E_OUTOFMEMORY);
+    } else {
+        *newEnum = result;
+    }
+
+    return NOERROR;
+}
+
+bool QOleEnumFmtEtc::copyFormatEtc(LPFORMATETC dest, LPFORMATETC src) const
+{
+    if (dest == NULL || src == NULL)
+        return false;
+
+    *dest = *src;
+
+    if (src->ptd) {
+        LPVOID pout;
+        LPMALLOC pmalloc;
+
+#if !defined(Q_OS_WINCE)
+        if (CoGetMalloc(MEMCTX_TASK, &pmalloc) != NOERROR)
+#else
+        if (SHGetMalloc(&pmalloc) != NOERROR)
+#endif
+            return false;
+
+        pout = (LPVOID)pmalloc->Alloc(src->ptd->tdSize);
+        memcpy(dest->ptd, src->ptd, size_t(src->ptd->tdSize));
+
+        pmalloc->Release();
+    }
+
+    return true;
+}
+
+QT_END_NAMESPACE
+#endif // QT_NO_DRAGANDDROP && QT_NO_CLIPBOARD