mirror of
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118 lines
3.2 KiB
C++
118 lines
3.2 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef ICLIPBOARD_H
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#define ICLIPBOARD_H
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#include "IInterface.h"
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#include "CString.h"
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#include "BasicTypes.h"
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//! Clipboard interface
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/*!
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This interface defines the methods common to all clipboards.
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*/
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class IClipboard : public IInterface {
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public:
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//! Timestamp type
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/*!
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Timestamp type. Timestamps are in milliseconds from some
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arbitrary starting time. Timestamps will wrap around to 0
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after about 49 3/4 days.
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*/
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typedef UInt32 Time;
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//! Clipboard formats
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/*!
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The list of known clipboard formats. kNumFormats must be last and
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formats must be sequential starting from zero. Clipboard data set
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via add() and retrieved via get() must be in one of these formats.
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Platform dependent clipboard subclasses can and should present any
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suitable formats derivable from these formats.
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*/
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enum EFormat {
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kText, //!< Text format, UTF-8, newline is LF
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kNumFormats //!< The number of clipboard formats
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};
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//! @name manipulators
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//@{
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//! Empty clipboard
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/*!
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Take ownership of the clipboard and clear all data from it.
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This must be called between a successful open() and close().
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Return false if the clipboard ownership could not be taken;
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the clipboard should not be emptied in this case.
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*/
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virtual bool empty() = 0;
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//! Add data
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/*!
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Add data in the given format to the clipboard. May only be
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called after a successful empty().
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*/
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virtual void add(EFormat, const CString& data) = 0;
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//@}
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//! @name accessors
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//@{
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//! Open clipboard
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/*!
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Open the clipboard. Return true iff the clipboard could be
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opened. If open() returns true then the client must call
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close() at some later time; if it returns false then close()
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must not be called. \c time should be the current time or
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a time in the past when the open should effectively have taken
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place.
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*/
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virtual bool open(Time time) const = 0;
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//! Close clipboard
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/*!
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Close the clipboard. close() must match a preceding successful
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open(). This signals that the clipboard has been filled with
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all the necessary data or all data has been read. It does not
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mean the clipboard ownership should be released (if it was
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taken).
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*/
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virtual void close() const = 0;
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//! Get time
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/*!
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Return the timestamp passed to the last successful open().
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*/
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virtual Time getTime() const = 0;
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//! Check for data
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/*!
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Return true iff the clipboard contains data in the given
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format. Must be called between a successful open() and close().
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*/
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virtual bool has(EFormat) const = 0;
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//! Get data
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/*!
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Return the data in the given format. Returns the empty string
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if there is no data in that format. Must be called between
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a successful open() and close().
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*/
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virtual CString get(EFormat) const = 0;
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//@}
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};
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#endif
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