summaryrefslogtreecommitdiffstats
path: root/src/gui/kernel/qole_win.cpp
diff options
context:
space:
mode:
authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:34:13 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:34:13 (GMT)
commit67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch)
tree1dbf50b3dff8d5ca7e9344733968c72704eb15ff /src/gui/kernel/qole_win.cpp
downloadQt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.zip
Qt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.tar.gz
Qt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.tar.bz2
Long live Qt!
Diffstat (limited to 'src/gui/kernel/qole_win.cpp')
-rw-r--r--src/gui/kernel/qole_win.cpp255
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
@@ -0,0 +1,255 @@
+/****************************************************************************
+**
+** 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