//============================================================
//
// winclip.c - Win32 OSD core clipboard access functions
//
//============================================================
//
// Copyright Aaron Giles
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or
// without modification, are permitted provided that the
// following conditions are met:
//
// * Redistributions of source code must retain the above
// copyright notice, this list of conditions and the
// following disclaimer.
// * Redistributions in binary form must reproduce the
// above copyright notice, this list of conditions and
// the following disclaimer in the documentation and/or
// other materials provided with the distribution.
// * Neither the name 'MAME' nor the names of its
// contributors may be used to endorse or promote
// products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGE (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//============================================================
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include "strconv.h"
//============================================================
// get_clipboard_text_by_format
//============================================================
static char *get_clipboard_text_by_format(UINT format, char *(*convert)(LPCVOID data))
{
char *result = NULL;
HANDLE data_handle;
LPVOID data;
// check to see if this format is available
if (IsClipboardFormatAvailable(format))
{
// open the clipboard
if (OpenClipboard(NULL))
{
// try to access clipboard data
data_handle = GetClipboardData(format);
if (data_handle != NULL)
{
// lock the data
data = GlobalLock(data_handle);
if (data != NULL)
{
// invoke the convert
result = (*convert)(data);
// unlock the data
GlobalUnlock(data_handle);
}
}
// close out the clipboard
CloseClipboard();
}
}
return result;
}
//============================================================
// convert_wide
//============================================================
static char *convert_wide(LPCVOID data)
{
return utf8_from_wstring((LPCWSTR) data);
}
//============================================================
// convert_ansi
//============================================================
static char *convert_ansi(LPCVOID data)
{
return utf8_from_astring((LPCSTR) data);
}
//============================================================
// osd_get_clipboard_text
//============================================================
char *osd_get_clipboard_text(void)
{
char *result = NULL;
// try to access unicode text
result = get_clipboard_text_by_format(CF_UNICODETEXT, convert_wide);
// try to access ANSI text
if (result == NULL)
result = get_clipboard_text_by_format(CF_TEXT, convert_ansi);
return result;
}