aa9d0e3a8a
- Add platform independent clipboard layer for Nasal access to clipboard (thanks to Hooray for basic code) - Add Windows clipboard access - Add partial X11 clipboard access (only reading from clipboard) - Add fallback clipboard for application internal clipboard if platform not supported - Add some helper functions to FGNasalSys
108 lines
2.7 KiB
C++
108 lines
2.7 KiB
C++
// Windows implementation of clipboard access for Nasal
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//
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// Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#include "NasalClipboard.hxx"
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#include <simgear/debug/logstream.hxx>
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#include <windows.h>
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/**
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* Windows does only support on clipboard and no selection. We fake also the X11
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* selection buffer - at least inside FlightGear
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*/
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class ClipboardWindows:
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public NasalClipboard
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{
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public:
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/**
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* Get clipboard contents as text
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*/
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virtual std::string getText(Type type)
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{
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if( type == CLIPBOARD )
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{
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std::string data;
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if( !OpenClipboard(NULL) )
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return data;
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HANDLE hData = GetClipboardData( CF_TEXT );
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char* buff = (char*)GlobalLock( hData );
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if (buff)
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data = buff;
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GlobalUnlock( hData );
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CloseClipboard();
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return data;
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}
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else
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return _selection;
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}
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/**
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* Set clipboard contents as text
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*/
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virtual bool setText(const std::string& text, Type type)
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{
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if( type == CLIPBOARD )
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{
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if( !OpenClipboard(NULL) )
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return false;
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bool ret = true;
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if( !EmptyClipboard() )
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ret = false;
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else if( !text.empty() )
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{
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HGLOBAL hGlob = GlobalAlloc(GMEM_MOVEABLE, text.size() + 1);
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if( !hGlob )
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ret = false;
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else
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{
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memcpy(GlobalLock(hGlob), (char*)&text[0], text.size() + 1);
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GlobalUnlock(hGlob);
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if( !SetClipboardData(CF_TEXT, hGlob) )
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{
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GlobalFree(hGlob);
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ret = false;
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}
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}
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}
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CloseClipboard();
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return ret;
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}
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else
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{
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_selection = text;
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return true;
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}
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}
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protected:
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std::string _selection;
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};
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//------------------------------------------------------------------------------
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NasalClipboard::Ptr NasalClipboard::create()
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{
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return NasalClipboard::Ptr(new ClipboardWindows);
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}
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