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/*
pygame - Python Game Library
Copyright (C) 2006, 2007 Rene Dudfield, Marcus von Appen
Originally written and put in the public domain by Sam Lantinga.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
static unsigned short InputGroup;
#define MAX_CHUNK_SIZE INT_MAX
/**
* \brief Converts the passed type into a system specific type to use
* for the clipboard.
*
* \param type The type to convert.
* \return A system specific type.
*/
static uint32_t
_convert_format(char *type)
{
switch (type) {
case PYGAME_SCRAP_TEXT:
return Ph_CL_TEXT;
default: /* PYGAME_SCRAP_BMP et al. */
{
/* TODO */
return 0;
}
}
}
int
pygame_scrap_init(void)
{
SDL_SysWMinfo info;
int retval = 0;
/* Grab the window manager specific information */
SDL_SetError("SDL is not running on known window manager");
SDL_VERSION(&info.version);
if (SDL_GetWMInfo(&info)) {
/* Save the information for later use */
InputGroup = PhInputGroup(NULL);
retval = 1;
}
if (retval)
_scrapinitialized = 1;
return retval;
}
int
pygame_scrap_lost(void)
{
if (!pygame_scrap_initialized()) {
PyErr_SetString(pgExc_SDLError, "scrap system not initialized.");
return 0;
}
return (PhInputGroup(NULL) != InputGroup);
}
int
pygame_scrap_put(char *type, int srclen, char *src)
{
uint32_t format;
int nulledlen = srclen + 1;
if (!pygame_scrap_initialized()) {
PyErr_SetString(pgExc_SDLError, "scrap system not initialized.");
return 0;
}
format = _convert_format(type);
/* Clear old buffer and copy the new content. */
if (_clipbuffer)
free(_clipbuffer);
_clipbuffer = malloc(nulledlen);
if (!_clipbuffer)
return 0; /* Allocation failed. */
memset(_clipbuffer, 0, nulledlen);
memcpy(_clipbuffer, src, srclen);
_clipsize = srclen;
_cliptype = format;
#if (_NTO_VERSION < 620) /* Before 6.2.0 releases. */
{
PhClipHeader clheader = {Ph_CLIPBOARD_TYPE_TEXT, 0, NULL};
int *cldata;
int status;
cldata = (int *)_clipbuffer;
*cldata = type;
clheader.data = _clipbuffer;
if (dstlen > 65535)
clheader.length = 65535; /* Maximum photon clipboard size. :( */
else
clheader.length = nulledlen;
status = PhClipboardCopy(InputGroup, 1, &clheader);
if (status == -1) {
/* Could not access the clipboard, raise an error. */
CLEAN_CLIP_BUFFER();
return 0;
}
}
#else /* 6.2.0 and 6.2.1 and future releases. */
{
PhClipboardHdr clheader = {Ph_CLIPBOARD_TYPE_TEXT, 0, NULL};
int *cldata;
int status;
cldata = (int *)_clipbuffer;
*cldata = type;
clheader.data = _clipbuffer;
clheader.length = nulledlen;
status = PhClipboardWrite(InputGroup, 1, &clheader);
if (status == -1) {
/* Could not access the clipboard, raise an error. */
CLEAN_CLIP_BUFFER();
return 0;
}
}
#endif
return 1;
}
char *
pygame_get_scrap(char *type)
{
uint32_t format = _convert_format(type);
char *retval = NULL;
if (!pygame_scrap_initialized()) {
PyErr_SetString(pgExc_SDLError, "scrap system not initialized.");
return 0;
}
/* If we are the owner, simply return the clip buffer, if it matches
* the request type. */
if (!pygame_scrap_lost()) {
if (format != _cliptype)
return NULL;
if (_clipbuffer) {
retval = malloc(_clipsize + 1);
if (!retval)
return NULL;
memset(retval, 0, _clipsize + 1);
memcpy(retval, _clipbuffer, _clipsize + 1);
return retval;
}
return NULL;
}
#if (_NTO_VERSION < 620) /* before 6.2.0 releases */
{
void *clhandle;
PhClipHeader *clheader;
int *cldata;
clhandle = PhClipboardPasteStart(InputGroup);
if (clhandle) {
clheader = PhClipboardPasteType(clhandle, Ph_CLIPBOARD_TYPE_TEXT);
if (clheader) {
cldata = clheader->data;
if (*cldata == type)
retval = malloc(clheader->length + 1);
if (retval) {
memset(retval, 0, clheader->length + 1);
memcpy(retval, cldata, clheader->length + 1);
}
}
PhClipboardPasteFinish(clhandle);
}
}
#else /* 6.2.0 and 6.2.1 and future releases */
{
void *clhandle;
PhClipboardHdr *clheader;
int *cldata;
clheader = PhClipboardRead(InputGroup, Ph_CLIPBOARD_TYPE_TEXT);
if (clheader) {
cldata = clheader->data;
if (*cldata == type)
retval = malloc(clheader->length + 1);
if (retval) {
memset(retval, 0, clheader->length + 1);
memcpy(retval, cldata, clheader->length + 1);
}
/* According to the QNX 6.x docs, the clheader pointer is a
* newly created one that must be freed manually. */
free(clheader->data);
free(clheader);
}
}
#endif
return retval;
}
char **
pygame_scrap_get_types(void)
{
return NULL;
}
int
pygame_scrap_contains(char *type)
{
return 0;
}
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