Import Upstream version 2.0.0+dfsgupstream/2.0.0+dfsg

1 files changed, 113 insertions, 0 deletions

diff --git a/src/lib/platform/MSWindowsClipboard.h b/src/lib/platform/MSWindowsClipboard.h
new file mode 100644
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+++ b/src/lib/platform/MSWindowsClipboard.h
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+/*
+ * barrier -- mouse and keyboard sharing utility
+ * Copyright (C) 2012-2016 Symless Ltd.
+ * Copyright (C) 2002 Chris Schoeneman
+ * 
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file LICENSE that should have accompanied this file.
+ * 
+ * This package is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "platform/MSWindowsClipboardFacade.h"
+#include "barrier/IClipboard.h"
+#include "common/stdvector.h"
+
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+
+class IMSWindowsClipboardConverter;
+class IMSWindowsClipboardFacade;
+
+//! Microsoft windows clipboard implementation
+class MSWindowsClipboard : public IClipboard {
+public:
+    MSWindowsClipboard(HWND window);
+    MSWindowsClipboard(HWND window, IMSWindowsClipboardFacade &facade);
+    virtual ~MSWindowsClipboard();
+
+    //! Empty clipboard without ownership
+    /*!
+    Take ownership of the clipboard and clear all data from it.
+    This must be called between a successful open() and close().
+    Return false if the clipboard ownership could not be taken;
+    the clipboard should not be emptied in this case.  Unlike
+    empty(), isOwnedByBarrier() will return false when emptied
+    this way.  This is useful when barrier wants to put data on
+    clipboard but pretend (to itself) that some other app did it.
+    When using empty(), barrier assumes the data came from the
+    server and doesn't need to be sent back.  emptyUnowned()
+    makes barrier send the data to the server.
+    */
+    bool                emptyUnowned();
+
+    //! Test if clipboard is owned by barrier
+    static bool            isOwnedByBarrier();
+
+    // IClipboard overrides
+    virtual bool        empty();
+    virtual void        add(EFormat, const String& data);
+    virtual bool        open(Time) const;
+    virtual void        close() const;
+    virtual Time        getTime() const;
+    virtual bool        has(EFormat) const;
+    virtual String        get(EFormat) const;
+
+    void setFacade(IMSWindowsClipboardFacade& facade);
+
+private:
+    void                clearConverters();
+
+    UINT                convertFormatToWin32(EFormat) const;
+    HANDLE                convertTextToWin32(const String& data) const;
+    String                convertTextFromWin32(HANDLE) const;
+
+    static UINT            getOwnershipFormat();
+
+private:
+    typedef std::vector<IMSWindowsClipboardConverter*> ConverterList;
+
+    HWND                m_window;
+    mutable Time        m_time;
+    ConverterList        m_converters;
+    static UINT            s_ownershipFormat;
+    IMSWindowsClipboardFacade* m_facade;
+    bool m_deleteFacade;
+};
+
+//! Clipboard format converter interface
+/*!
+This interface defines the methods common to all win32 clipboard format
+converters.
+*/
+class IMSWindowsClipboardConverter : public IInterface {
+public:
+    // accessors
+
+    // return the clipboard format this object converts from/to
+    virtual IClipboard::EFormat
+                        getFormat() const = 0;
+
+    // return the atom representing the win32 clipboard format that
+    // this object converts from/to
+    virtual UINT        getWin32Format() const = 0;
+
+    // convert from the IClipboard format to the win32 clipboard format.
+    // the input data must be in the IClipboard format returned by
+    // getFormat().  the return data will be in the win32 clipboard
+    // format returned by getWin32Format(), allocated by GlobalAlloc().
+    virtual HANDLE        fromIClipboard(const String&) const = 0;
+
+    // convert from the win32 clipboard format to the IClipboard format
+    // (i.e., the reverse of fromIClipboard()).
+    virtual String        toIClipboard(HANDLE data) const = 0;
+};